WO2001028539A2 - Agent for treating cephalic pain - Google Patents
Agent for treating cephalic pain Download PDFInfo
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- WO2001028539A2 WO2001028539A2 PCT/GB2000/004031 GB0004031W WO0128539A2 WO 2001028539 A2 WO2001028539 A2 WO 2001028539A2 GB 0004031 W GB0004031 W GB 0004031W WO 0128539 A2 WO0128539 A2 WO 0128539A2
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
- C07K14/72—Receptors; Cell surface antigens; Cell surface determinants for hormones
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/06—Antimigraine agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
Definitions
- the invention relates to a modulator and to a method of screenin tog for the modulator.
- Cephalic pain disorders are generally multifactorial disorder, many of which have an unknown etiology. Both environmental and genetic factors are thought to contribute to cephalic pain disorders. In the case of migraine familial aggregation is observed, although segregation analysis of the pattern of inheritance of migraine within families indicates multifactorial inheritance (not a simple Mendelian inheritance). This implies that many genes contribute to the genetic predisposition to migraine, making it difficult to identify individual genes in linkage studies.
- the inventors have shown that polymorphisms in the insulin receptor gene contribute to susceptibility to cephalic pain.
- the insulin receptor is an important component in the regulation of the glucose and lipid metabolism pathways.
- the present finding allows the treatment of cephalic pain, and in particular migraine, by the manipulation of components of the glucose and lipid metabolism pathways, in particular by manipulation of the insulin receptor.
- the invention provides use of an agent that modulates directly or indirectly the insulin receptor or insulin receptor signalling pathway in the manufacture of a medicament for use in a method of preventing or treating cephalic pain.
- Figure 1 shows the principle of the Taqman (trade mark) allelic discrimination assay, adapted to detect a polymorphism according to the invention.
- Two allelic specific primers, G and A differ in their sequence at the polymorphic site (either G or A) and in the fluorescent dye attached to their 5' end (either F or H).
- Probe G can therefore anneal without mismatch to the template and, as Taq DNA polymerase extends from the non- specific primer upstream, the nucleotides containing the fluorescent dye F and quenching agent can be removed from the specific primer by the 5' to 3' endonuclease activity of Taq. Released from the quenching agent, the dye then fluoresces and this can be detected to determine that the allele corresponding to probe G is present in the sample.
- SEQ ID NO's: 1 to 22 are the sequences of exons 1 to 22 of the insulin receptor gene
- SEQ ID NO: 23 is the complete coding sequence of the insulin receptor mRNA
- SEQ ID NO: 24 is the sequence of the mRNA for the insulin receptor precursor
- SEQ ID NO: 25 is the complete sequence from exons 14 to 17 of the insulin receptor gene, including introns, and
- SEQ ID NO: 26 is the amino acid sequence of human PPAR gamma.
- the present invention is concerned with the prevention or treatment of cephalic pain by the use of an agent that modulates, typically agonises, the insulin receptor or insulin receptor signalling pathway.
- the cephalic pain may be a cluster headache, chronic paroxysmal hemicrania, headache associated with vascular disorders, headache associated with substances or their withdrawal (for example drug withdrawal), tension headache and in particular migraine with aura or migraine without aura.
- the agent may modulate the insulin receptor or the insulin receptor signalling pathway (indirectly) by acting on a component which is able to affect (act on) the receptor or pathway.
- a component is one whose natural activity is generally able to affect the receptor or pathway (i.e. it is operatively linked to the receptor or pathway). Any activity of the receptor or pathway may be affected by the component
- the agent typically modulates the expression or the activity of the component
- the component is typically a carbohydrate, lipid, protem or polynucleotide (such as genomic DNA or unsphced or spliced mRNA)
- the component may be an enzyme such as an enzyme m the glucose or lipid metabolic pathways or a kmase
- the component may be intracellular or extracellular
- the component is present m a neuron or a cell m the neurovascuiar network which is c ⁇ tical to the generation ot cephalic pain, such as a cell the t ⁇ gemmovascular network and all nociceptive connections and afferent modulatory connections to which it is mono- or poly-synaptically linked
- the component may mediate a metabolic or other effect of receptor signalling activity such as GLUT4 expression at the cell surface, stimulation ot glucose or 2- deoxyglucose or 3-O-methyl glucose uptake into cells, increased glycogen synthase pho phorylation, activation and glycogen synthesis, decreased polysis, increased fatty acid synthesis and incorporation into t ⁇ glyce ⁇ de, inhibition of gluconeogenesis m hepatocytes
- a metabolic or other effect of receptor signalling activity such as GLUT4 expression at the cell surface, stimulation ot glucose or 2- deoxyglucose or 3-O-methyl glucose uptake into cells, increased glycogen synthase pho phorylation, activation and glycogen synthesis, decreased polysis, increased fatty acid synthesis and incorporation into t ⁇ glyce ⁇ de, inhibition of gluconeogenesis m hepatocytes
- the component may be part of or directly involved in the intracellular signalling pathway of the insulin receptor, l e the component may be downstream of the receptor
- a downstream component typically mediates or is part of the intracellular changes which occur due to signalling activity
- the component may be one which is modified (typically phosphorylated or de-phosphorylated), or whose location in the cell changes, du ⁇ ng signalling activity
- the component may be one which is capable of binding the insulin receptor
- the downstream component is msulm receptor substrate- 1, -2, -3, or -4, p85, Grb2, Gabl, phosphatidyl mositol 3 k ase, pp60, ppl20, son of sevenless (SOS), MAP kinase, se ⁇ ne phosphatase, threomne phosphatase, tyrosme kinase, ras, raf, syp, she or a G protem
- the agent may modulate components related to the glucose or lipid pathways, l e components which are upstream of the insulin receptor
- the component which the agent modulates may be the msulm receptor itself
- the agent may thus modulate any of the following activities of the receptor insulin binding, IGF-1 binding, kinase activity (e g tyrosme, threomne or serine kinase activity) autophosphorylation, internalisation, re-cycling, interactions with regulatory proteins, or interactions with signalling complexes.
- the agent may modulate the ability of the receptor to cause directly (or indirectly through another component) post-translational modifications, such as serine/threonine phosphorylation, dephosphorylation (via serine /threonine- or tyrosine phosphatases) or glycosylation.
- post-translational modifications such as serine/threonine phosphorylation, dephosphorylation (via serine /threonine- or tyrosine phosphatases) or glycosylation.
- the agent may modulate a product which regulates or is part of the expression pathway of the component.
- the product may be one which is specific to the expression pathway of that component.
- the agent may act upon the product in any of the ways described herein in which the agent acts upon the component.
- the product may be the gene from which any of the components is expressed, an RNA polymerase that can express mRNA from the gene, the unspliced mRNA which is transcribed from the gene, factors that aid splicing of the mRNA. the spliced mRNA, nuclear factors that bind to the mRNA and/or transport the mRNA from the nucleus to the cytoplasm, translation factors that contribute to translating the mRNA to protein.
- the agent may modulate transcription from the component gene or translation of the component mRNA.
- the agent is a specific inhibitor of transcription from the component gene, and does not inhibit transcription from other genes.
- the agent may bind to the component gene either (i) 5' to the coding sequence, and/or (ii) to the coding sequence, and/or (iii) 3' to the coding sequence.
- the agent may bind to the promoter, and inhibit the initiation of transcription.
- the agent may bind and inhibit the action of a protein which is required for transcription from the component gene.
- the agent may bind to the untranslated or translated regions of the component mRNA. This could modulate the initiation of translation.
- the agent may modulate, in particular agonise, expression by modulating the rate at which the component is broken down.
- the agent may modulate the expression of different variants of the receptor (e.g. variants produced by different splicing of the mRNA), tissue-specific expression, subcellular localisation or hybridisation with other receptors (e.g. the IGF-1 receptor).
- the agent typically has an activity which directly or indirectly (e.g. mediated through any of the components discussed above) results an effect on the msulm receptor or msulm receptor pathway which is generally counter (opposite) to the effect of a polymorphism m the sulm receptor gene which causes susceptibility to migraine
- the polymorphism will generally cause a change m any of the characteristics of the receptor discussed herein, such as expression, activity, expression variant, cellular localisation or the pattern of expression in different tissues
- the polymorphism may have an agonist effect, but preferably has an antagonist effect on any of these characteristics of the receptor Generally this will lead to a consequent increase or decrease m particular parts of the activity of the pathway (particular polymorphisms may cause an mcrease m activity in one part of the pathway and also cause a decrease in activity another part of the pathway)
- the polymo ⁇ hism may be any of the following polymorphisms INSBa, INSCa, exon8 poll , exonl 1 poll
- the polymo ⁇ hism may be in linkage disequilibrium any of these particular polymo ⁇ hisms mentioned above Polymo ⁇ hisms which are in linkage disequilibrium with each other m a population tend to be found together on the same chromosome Typically one is found at least 30% of the times, for example at least 40 °0o, 50%, 70% or 90%, of the time the other is found on a particular chromosome in individuals m the population Polymo ⁇ hisms which are in linkage disequilibrium with any of the polymo ⁇ hisms mentioned herein are typically with 500kb, preferably with 400kb, 200kb, 100 kb, 50kb, lOkb, 5kb or 1 kb of the polymo ⁇ hism The polymo ⁇ hism is typically an insertion, deletion or substitution with a length of at least 1 , 2, 5 or more base pairs or ammo acids In the case of a gene region polvmo ⁇ hism the polymo ⁇
- the polymo ⁇ hism will have a sequence which is different from or the same as the corresponding region in any one of SEQ ID NO's 1 to 25
- the activity of the agent (which is counter to the effect of the polymo ⁇ hism) will generally lead to an agonist effect on the receptor or pathway
- the agent may act on a component which is downstream of the msulm receptor
- Such an agent may or may not have an effect on the receptor but will act on a part of the signalling pathway (in a way which is counter to the effect of the mutation on the pathway)
- the agent has a mixed antagonist/agonist effect, acting as an antagonist towards some of the characte ⁇ stics or effects of the receptor, whilst acting as an agonist towards other characte ⁇ stics or effects of the receptor
- the activity of the agent will cause at least a 2, 5, 10, 20 or 50 fold mcrease in the expression or activity of (l) the component which it acts on or (n) on the msulm receptor, for example as measured in any suitable m vitro or m vivo assay mentioned herein and typically at any of the administration doses mentioned herein Agents may cause an increase of at least 10%, at least 25%, at least 50%, at least 100%, at least, 200%, at least 500% or at least 1000% in such expression or activity at a concentration of the agent of l g ml "1 , lOug ml l , lOO ⁇ g ml l , 500 ⁇ g ml l , lmg ml ' lOmg ml ', lOOmg ml '
- the percentage increase represents the percentage mcrease m expression or activity m a compa ⁇ son of assays m the presence and absence of the agent Any combination of the above mentioned degrees
- concentration of agent may be used to define the agent, with a greater percentage increase at a lower concentration being preferred
- the agent binds to 1 , 2 or more of the components under physiological ( vivo) conditions Generally the binding is specific The binding is reversible or irreversible An agent which binds irreversibly dissociates very slowly from the component because it would be very tightly bound, either covalently or non- covalently Reversible binding, m contrast with irreversible binding, is characte ⁇ sed by a rapid dissociation of the agent/component complex
- the agent will affect the binding of another substance to the component (such as a substance which naturally bind the component)
- the agent may bind the component at the same site as the substance binds
- the agent is typically able to compete for, or inhibit, the binding of the substance to the component
- the agent does not bind the component at a site that overlaps with the site at which the substance binds
- such an agent does not compete with the substance for binding to component, but may still inhibit the binding of the agent to the component
- the agent may or may not cause a change m the structure of the component
- the agent causes the component to change to a less active or nonfunctional form
- This change may be reversible or irreversible
- the component only adopts such a changed form when bound to the agent
- the change may be irreversible, for example, if the component is chemically modified or is broken down by the agent, for example by the breaking of peptide bonds
- the agent may affect the sensitivity of the receptor to msulm, i e may increase or decrease any insulin binding-dependent activity of the receptor
- the agent is typically one which can be used to prevent or treat diabetes, such as non- msulm dependent diabetes
- the agent causes hypoglycemia or antihyperglycemia, stimulates msulm release or reduces the clearance of msulm
- the agent typically lowers glucose levels by enhancing msulm action action, such as at hepatic sites and/or pe ⁇ pheral sites
- the agent will typically increase msul - dependent glucose disposal and/or mhbit hepatic glucose output (HGO)
- the agent which activates the receptor may be an agonist or antagonist of a peroxisome proliferator-activated receptor (PPAR), tvpically PPAR alpha or delta, preferably PPAR gamma.
- PPAR peroxisome proliferator-activated receptor
- the agent is typically a compound as described in WO 97/31907, ⁇ O 00/08002 or US-A-5,902,726.
- the agent may be a compound of general formula (I) or a tautomeric form or a pharmaceutically acceptable salt or solvate thereof:
- A is selected from the group consisting of:
- phenyl wherein said phenyl is optionally substituted by one or more of the following groups; halogen atoms, C,. 6 alkyl, C 3 alkoxy, C,. 3 fluoroalkoxy, nitrile, or -NR 7 R 8 where R 7 and R 8 are independently hydrogen or C,. 3 alkyl;
- B is selected from the group consisting of:
- Z is selected from the group consisting of:
- Y represents a bond, C0 6 alkylene, C 2 . 6 alkenylene, C 4 . 6 cycloalkylene or cycloalkenylene, a heterocyclic group as defined in point (vi) above, or phenyl optionally substituted by one or more C 1 alkyl groups and/or one or more halogen atoms;
- T represents a bond, C, .3 alkyleneoxy, -0- or -N(R 6 )-, wherein R 6 represents hydrogen or C0 3 alkyl;
- R D represents C,_ 6 alkyl, C .
- ring D represents a 5- or 6-membered
- C 3 alkyl or alkylene and C,_ 6 alkyl or alkylene as used herein respectively contain 1 to 3 or 1 to 6 carbon atoms and appropriately include straight chained and branched alkyl or alkylene groups, typically methyl, methylene, ethyl and ethylene groups, and straight chained and branched propyl, propylene, butyl and but lene groups.
- C 2 . 6 alkenyl or alkenylene as used herein contains 2 to 6 carbon atoms and appropriately includes straight chained and branched alkenyl and alkenylene groups, in particular propenylene or the like.
- C,. 3 alkyleneoxy as used herein denotes -0-C,. alkylene-, wherein
- C, .3 alkylene is substantially as defined above, e.g. -0-CH 2 - etc.
- C 4 . 6 cycloalkyl, C 4 . 6 cycloalkylene, C 4 . 6 cycloalkenyl and C 4.6 cycloaikenylene include cyclic groups containing 4 to 6 carbon atoms, such as cyclopentane, cyclopentylene, cyclohexane, cyclohexylene, cyclohexene and cyclohexenylene.
- halogen as used herein includes fluorine, chlorine, bromine and iodine.
- 5- or 6-membered heterocyclic group as used herein includes 5- or 6- membered unsubstituted heterocycloalkyl groups and substituted or unsubstituted heteroaryl groups, e.g. substituted or unsubstituted imidazolidinyl, piperidyl, piperazinyl, pyrrolidinyl, mo ⁇ holinyl.
- pyridyl pyridazinyl, pyrimidinyl, pyrazinyl, pyrrolyl, pyrazolyl, imidazolyl, pyranyl, furyl, thienyl, oxazolyl, isoxazolyl, oxadiazolyl, thiazolyl, thiadiazolyl, triazolyl or tetrazolyl.
- substituted heterocyclic group is meant a 5 or 6 membered heteroaryl group substituted by one or more of the following; halogen atoms, C,. 3 alkyl, C,_ 3 alkoxy groups, C 0.3 alkylene N R 9 R 10 (where each R 9 and R 10 is idependently hydrogen, C,_ 3 alkyl, -SO 2 C,. 3 alkyl or C0 2 C,. 3 alkyl, -S0 2 NHC,. 3 alkyl), C 0 . 3 alkylene CO : H, C 0.3 alkylene CO.C ⁇ alkyl, -OCH 2 C(0)NH 2 , -C,. 3 fluoroalkyl, -CN or SC, .6 alkyl.
- A represents any of phenyl, heteroaryl (e g py ⁇ dyl) or wherein fused ring C represents a 5-membered heteroaryl group contaimng at least one nitrogen heteroatom and optionally a further heteroatom selected from nitrogen and oxygen (e g oxazolyl, imidazolyl)
- Particularly A represents any of phenyl, pyndyl, piperazmyl, or benzoxazolyl, any of which can optionally be substituted by one or more C, _, alkyl, especially phenyl, piperazmyl, or pyndyl
- B suitably represents any of C,._, alkylene (e g methylene), -N(CH 3 )C j - 3alkylene (e g -N(CH 3 )(CH 2 ) 2 -) or Het-C, 0 alkylene, wherein Het represents a 5- membered heterocyclic group containing at least one nitrogen heteroatom and optionally at least one further heteroatom selected from oxygen and sulfur (e g pyrrolid yl, oxazolyl and thiazolyl) and aptly substituted by C t 3 alkyl
- B represents -N(CH 3 )(CH 2 ) 2 , oxazolyl -Ci-6 alkylene, which oxazolyl is optionally substituted by C, 3 alkyl, or thiazolyl which is optionally substituted by C, 3 alkyl
- Appropnately Alk represents methylene
- R 1 represents hydrogen, methyl or ethyl, especially hydrogen
- Z may represent -(C, 3 alkylene) phenyl substituted by one or more halogen atoms, such as optionally substituted benzyl
- Z represents -NR 3 R 4 substantially as hereinbefore described
- R J represents hydrogen
- particular groupings represented by R 4 include
- Y represents phenyl (optionally substituted by one or more halogen atoms, or one or more C, 3 alkyl e g methyl groups)
- T represents a bond or an oxygen atom
- R' represents C, 3 alkyl or phenyl (optionally substituted by one or more halogen atoms or one or more C ⁇ 3 alkyl groups)
- Y represents a heterocyclic group substantially as hereinbefore desc ⁇ bed (e g thienyl), T represents a bond and R 3 represents phenyl (optionally substituted by one or more halogen atoms or one or more C ⁇ 3 alkyl groups).
- Y represents C 2 . 6 alkenylene- (e.g. propenylene), T represents a bond and R -1 represents phenyl (optionally substituted by one or more halogen atoms);
- Y represents C . 6 cycloalkenylene- (e.g. cyclohexenylene), T represents a bond and R 3 represents phenyl; Y represents phenyl, T represents a bond and R 3 represents a heterocyclic group substantially as hereinbefore described (e.g. piperidyl);
- Y represents a bond
- T represents a bond
- R 3 represents a bicyclic ring
- Y represents phenyl
- T represents C 1-3 alkyleneoxy (e.g. -O-CH2-) or N(R 6 )- (e.g. -NH-) and R 3 represents phenyl.
- Y represents phenyl
- T represents a bond or -O-
- R 3 represents C,_ 3 alkyl or phenyl e.g. R 4 represents
- R 13 wherein R 13 represents phenyl or OCH 3 .
- a and B are substantially as hereinbefore described, and Ar represents phenyl or a 5- or 6- membered heteroaryl group containing at least one heteroatom selected from oxygen, nitrogen and sulfur; and salts and solvates thereof.
- A is selected from phenyl, pyridyl and benzoxazoyl.
- a in Formula (la) represents phenyl or pyridyl.
- B in Formula la) is suitably selected from -NR 2 C,. 6 alkylene substantially as hereinbefore described and Het-C,. 6 alkylene optionally substituted by C,. 3 alkyl substantially as hereinbefore described.
- B in Formula (la) represents -N(CH 3 )(CH 2 ) 2 - or oxazolyl-C,_ 6 alkylene, which oxazolyl is optionally substituted by C [ . 3 alkyl, e.g. methyl.
- a particular subgroup of the compounds of formula 1 are compounds of formula (I): wherein;
- A is selected from the group consisting of:
- phenyl optionally substituted by one or more halogen atoms;
- B is selected from the group consisting of:
- Alk represents C,. 3 alkylene
- R' represents hydrogen or C,. 3 alkyl
- Z is selected from the group consisting of: (viii) -(C,. 3 aikylene) phenyl, which phenyl is optionally substituted by one or more halogen atoms; and (ix) -NR 3 R 4 , wherein R 3 represents hydrogen or C,_ 3 alkyl, and R 4 represents -Y-
- Y represents a bond, C,. 6 alkylene, C 2 . 6 alkenylene, C 4 . 6 cycloalkylene or cycloalkenylene, a heterocyclic group as defined in point (vi) above, or phenyl optionally substituted by one or more C,_ 3 alkyl groups and/or one or more halogen atoms;
- T represents a bond, C,. 3 alkyleneoxy, -0- or -N(R 6 )-, wherein R 6 represents hydrogen or C,. 3 alkyl;
- R 3 represents C,. 6 alkyl, C 4 . 6 cycloalkyl or cycloalkenyl, phenyl optionally substituted by one or more halogen atoms or one or more C ⁇ 3 alkyl groups, a 5- or 6- membered heterocyclic group as defined
- ring D represents a 5- or 6-membered heterocyclic group containing at least one heteroatom selected from oxygen, nitrogen and sulfur and 1/28539
- Preferred examples of the compounds of formula (I) include (S)-(2-benzoyl- phenylamino)-3- ⁇ 4-[2-(5-methyl-2-phenyl-oxazol-4-yl) efhoxy]-phenyl ⁇ propionic acid, and 2-(S)-(l-carboxy-2- ⁇ 4- ⁇ 2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]- phenyl ⁇ -ethylamino)-benzoic acid methyl ester.
- the agent may be a compound of general formula (II) or a tautomeric form, pharmaceutically acceptable salt or solvate thereof:
- R 2" ' is hydrogen or C,. 3 alkyl
- R 2"2 is hydrogen, or C,. 8 aikyl optionally substituted by one or more halogens
- R 2"3 is C,. 6 alkyl, C 4 . 7 cycloalkyl or cycloalkenyl, -OC,. 6 alkyl, -NR'R (where each R' is independently hydrogen or C N3 alkyl), a 5 or 6 membered heterocyclic group containing at least one oxygen, nitrogen, or sulfur ring atom (optionally- substituted by one or more halogen, C h alky 1 optionally substituted by one or more halogens, -OC, .6 alkyl optionally substituted by one or more halogens, -CN, or -N0 2 ), or phenyl (optionally substituted by one or more halogen, C,. 6 alkyl optionally substituted by one or more halogens, -OC,. 6 alkyl optionally substituted by one or more halogens, -CN, or -N0 2 );
- R 2"4 is a 5 or 6 membered heterocyclic group containing at least one oxygen, nitrogen, or sulfur ring atom (optionally substituted by one or more halogen, C, .6 alkyl optionally substituted by one or more halogens, -OC,. 6 alkyl optionally substituted by one or more halogens, -CN, or -N0 2 ), or phenyl (optionally substituted by one or more halogen, C 1 .
- R 2 ° is hydrogen, halogen, or C,. 3 alkyl optionally substituted by one or more halogens;
- R 2'6 is hydrogen or C,. 3 alkyl; X is O or S; and n is 1 , 2, or 3. Such compounds are disclosed in WO 00/08002.
- C,. s alkyl is preferably C u6 alkyl, and C,. 6 is preferably C, .3 alkyl.
- Typical C,. 6 alkyl and C,. 3 alkyl groups are as defined above.
- Typical C 4 _ 7 cycloalkyl, C 4 . 7 cycloalkenyl and 5- or 6-membered heterocyclic groups and typical halogen atoms are as defined above.
- R 2'1 is hydrogen or methyl. Most preferably, R 2"1 is hydrogen.
- R 2"2 is C,. 8 alkyl optionally substituted by one or more halogens.
- said halogen is fluorine.
- R 2"2 is straight-chain.
- R 2"3 is pyridine, pyrazine, thiophene, furan, thiazole, or phenyl (any of which may be optionally substituted by one or more halogen, C ⁇ alkyl optionally substituted by one or more halogens, -OC,. 6 alkyl optionally substituted by one or more halogens, -CN, or -N0 2 ), or C 4 . 7 cycloalkyl. Most preferably.
- R 2"3 is phenyl (optionally substituted by one or more halogen, C,. 6 alkyl optionally substituted by one or more halogens, -OC ⁇ alkyl optionally substituted by one or more halogens, -CN, or -N0 2 ).
- R 2"4 is phenyl (optionally substituted by one or more halogen, C,.
- said halogen is fluorine.
- R 2"4 is phenyl either unsubstituted or substituted with 1 , 2, or 3 fluorine atoms.
- R 2 ° is hydrogen, halogen, or C 3 alkyl optionally substituted by one or more halogens.
- R 2 ° is hydrogen.
- R 2"6 is methyl or ethyl. 1/28539
- n is 2.
- the carbon atom bonded to C0 2 R 2" ' is in the S configuration.
- the absolute configuration around that carbon is:
- Preferred examples of the compounds of general formula (II) include (2S)-2- ([(Z)-l-methyl-3-oxo-3-phenyl-l-propenyl]amino ⁇ -3- ⁇ 4-(5-methyl-2-phenyl-l,3- oxazol-4-yl) ethoxy]phenyl ⁇ propanoic acid and (2S)-3- ⁇ 4-[2-(5-methyl-2-phenyl- l ,3-oxazol-4-yl)ethoxy]phenyl ⁇ -2- ⁇ [(Z)-3-oxo-3-phenyl-l -(trifluoromethyl)- 1 - propenyl] amino] propanoic acid.
- the agent may be a sulfonylurea (e.g. l -butyl-3-sulfonylurea, tolbutamide, chlo ⁇ ropamide, tolazamide, acetohexamide, glyburide, glipizide or gliclazide), a guanide (guanide or chioroguanide), a biguanide (e.g. phenformin, metformin or buformin) or an -glucosidase inhibitor (e.g. acarbose).
- a sulfonylurea e.g. l -butyl-3-sulfonylurea, tolbutamide, chlo ⁇ ropamide, tolazamide, acetohexamide, glyburide, glipizide or gliclazide
- a guanide guanide or chioroguanide
- biguanide e
- the agent may be selected from thiazolidinediones, such as the compounds of formula (III)
- R J" ' is selected from the group consisting of hydrogen, C,. g alkyi, aminoC, . 8 alkyl, C ⁇ alkylaminoC ⁇ alkyl, heteroarylaminoC ⁇ alkyl, (heteroaryl)(C,. 8 alkyl)aminoC,. 6 alkyl, (C 4 _ 8 cycloalkyl)C
- a dashed line ( ) is none or one double bond between the two carbon atoms.
- the dashed line ( ) represents no double bond. 1/28539
- C [ _ 8 alkyl is preferably C,. 6 alkyl, more preferably C,- 3 alkyl.
- Typical C,. 6 alkyl and C,_ 3 alkyl groups are as defined above.
- Typical heteroaryl groups are 5- or 6-membered heterocyclic groups as defined above.
- C 4.8 cycloalkyl is preferably C . 7 cycloalkyl such as those defined above.
- Typical 9 or 10 membered heterobicyles which are partially aromatic include 10-membered rings containing one or more heteroatoms selected from N, O or S.
- Preferred compounds of formula (III) are those wherein R 3" ' is selected from (i), (ii) or (iii) below:
- R 3"2 and R 3"3 are the same or different and each represents a hydrogen atom or a C,-C 5 alkyl group
- R J_4 represents a hydrogen atom, a C,-C 6 aliphatic acyl group, an alicyclic acyl group, an aromatic acyl group, a heterocyclic acyl group, an araliphatic acyl group, a (C,-C 6 alkoxy)carbonyl group or an aralkyloxycarbonyl group
- R J_4 represents a hydrogen atom, a C,-C 6 aliphatic acyl group, an alicyclic acyl group, an aromatic acyl group, a heterocyclic acyl group, an araliphatic acyl group, a (C,-C 6 alkoxy)carbonyl group or an aralkyloxycarbonyl group
- R J and R 3"6 are the same or different and each represents a hydrogen atom, a C [ -C 5 alkyl group or a C C 5 alkoxy group, or R 3 ° and R J"6 together represent a C r C alkylenedioxy group.
- R 3'2 , R 3 0 R 3'5 and R 3'6 are each methyl and R 3"4 is hydrogen.
- the agent is troglitazone;
- heteroarylaminoC,. 6 alkyl group such as a group
- R J" is hydrogen or a C,. 6 alkyl group and n is 1 , 2, 3 or 4.
- R 3"7 is methyl and n is 1 , in which case the agent is rosiglitazone.
- R 3"s is a C, .6 alkyl group and n is 1, 2, 3 or 4.
- R 3"8 is ethyl and n is 1. More preferably the C, .s alkylheteroaryl C, .s alkyl group is
- the agent is pioglitazone.
- R 3'2 , R 3"3 , R 3 0 R 3"6 , R 3'7 or R 3"8 represents an alkyl group
- this may be a straight or branched chain alkyl group for example methyl, ethyl, propyl, isopropyl, butyl, isobutyl, pentyl or isopentyl.
- R 3"4 represents an aliphatic acyl group, this preferably has from 1 to 6 carbon atoms and may include one or more carbon-carbon double or triple bonds. Examples of such groups include formyl, acetyl, propionyl, butyryl, isobutyryl, pivaloyl, hexanoyl, acryloyl, methacryloyl and crotonoyl.
- R 3'4 represents an alicyclic acyl group, it is preferably a cyclopentanecarbonyl, cyclohexanecarbonyl or cycloheptanecarbonyl group.
- R 3"1 represents an aromatic acyl group
- the aromatic moiety thereof may optionally have one or more substituents (for example nitro, amino, alkylamino, dialkylamino, alkoxy, halo, alkyl or hydroxy substituents); examples of such aromatic acyl groups include benzoyl, p-nitrobenzoyl, m- fluorobenzoyl. o-chlorobenzoyl, p-aminobenzoyl, m-(dimethylamino)benzoyl, o- methoxy benzoyl, 3.4-dichlorobenzoyl, 3,5-di-t-butyl-4-hydroxybenzoyl and 1- naphthoyl groups.
- substituents for example nitro, amino, alkylamino, dialkylamino, alkoxy, halo, alkyl or hydroxy substituents
- examples of such aromatic acyl groups include benzoyl, p-nitrobenzoyl,
- R 3"4 represents a heterocyclic acyl group
- the heterocyclic moiety thereof preferably has one or more, preferably one. oxygen, sulphur or nitrogen hetero atoms and has from 4 to 7 ring atoms.
- R J"4 represents an araliphatic acyl group
- the aliphatic moiety thereof may optionally have one or more carbon-carbon double or triple bonds and the aryl moiety thereof may optionally have one or more substituents (for example nitro, amino, alkylamino, dialkylamino, alkoxy, halo, alkyl or hydroxy substituents); examples of such araliphatic acyl groups include the phenylacetyl, p-chlorophenylacetyl, phenylpropionyl and cinnamoyl groups.
- R 3"4 represents a (C,-C 6 alkoxy)carbonyl group
- the alkyl moiety thereof may be any one of those alkyl groups as defined above and the alkoxycarbonyl group represented by R J 0
- R" 4 represents an aralkyloxycarbonyl group
- the aralkyl moiety thereof may be any one of those included within the araliphatic acyl group represented by R 0
- R ° and R J"6 represent alkoxy groups, these may be the same or different and may be straight or branched chain groups, preferably having from 1 to 4 carbon atoms. Examples include methoxy, ethoxy, propoxy, isopropoxy and butoxy. Alternatively, R 3 ° and R J" ⁇ may together represent a C C 4 alkylenedioxy group, more preferably a methylenedioxy or ethylenedioxy group.
- the agent may also be ciglitazone, darglitazone or englitazone or derivatives of any of the thiozoladinediones (e.g. derivatives referred to in WO 00/35437).
- Other agents include oxyzolidinediones, such as JTT 501 , and non-chiral acyclic agents, such as GW 262570, as well as substituted 4-hydroxyphenylalcanoic acid derivatives with agonist activity to PPAR gamma.
- the agent may be a thiazolidinedione as described in U.S. Pat Nos. 5,089,514, 4,342,771, 4,367,234, 4,340,605 or 5,306,726.
- the agent may be a beta 3 agonist.
- the agent may antagonise atypical beta- adrenoceptors which occur in adipose tissue and the gastrointestinal tract.
- Such agonists have been found to be particularly useful as thermogenic anti-obesity agents and as anti-diabetic agents. These agonists are described for example in WO 97/21665, WO 97/21666, WO 98/43953, WO 99/65877, WO 95/33724, EP 0455006 and EP 0543662.
- the agent may be selected from non-thiazolidinedione insulin sensitizers such as those dislcosed in Buckle et al (1996) Bioorganic and Medicinal Chemistry Letters 6, 2121-6 and substituted 4-hydroxy-phenylalcano ⁇ c acid drivatives, such as those described WO 97/31907, hypoglycemic alkaloids, such as qumdolme and cryptolepme, which may be obtained from extracts from Cryptolepsis sp as disclosed in US-A-5,629,31 , as well as t ⁇ te ⁇ enoid substances, such as those disclosed m US-A-5,691,386, and eremophilanohde sesquite ⁇ enes, such as described in US-A-5,747,527
- Suitable agents include polymo ⁇ hic iorms of troghtazone, te ⁇ enoid- type quinones and C-substituted pentacycloazoles and N-alkyl substituted pentacycloazoles, for example as disclosed in US-A-5,700,820, US-A.-5,674,900, US-A-5, 641 ,796
- the disclosure of all the US patents, WO publications and other publications mentioned herein is inco ⁇ orated herein by reference
- agents include those that activate a RXR receptor that forms a heterodimer with PPAR, for example, ligand 100268, which is an RXR receptor ligand
- the agent may be an angiotensm II antagonist or angiotensm converting enzyme inhibitor
- the agent is a protem, polynucleotide, carbohydrate, lipid or small organic molecule
- the invention may be carried out by admmistenng a substance which provides an agent with any of the above properties in vivo
- a substance which provides an agent with any of the above properties in vivo
- agent' Typically the substance is an inactive or precursor form of the agent which can be processed in vivo to provide the agent
- the substance may comprise the agent associated, covalently or non-covalently, with a carrier
- the substance can typically be modified or broken down to provide the agent
- the invention provides a method for screening for the agent comprising contacting a candidate substance with a product selected from (I) one or more components as defined above, (n) any part of the expression pathway for a component as defined in (l), or (m) a functional analogue of (l) or (n), and determining whether the candidate substance binds or modulates the product, typically in a manner which increases directly or indirectly the activity or expression of the receptor or pathway
- the method may be carried out in vitro (inside or outside a cell) or in vivo, l e the product may be provided in a form which is inside or outside a cell, which cell may be in vitro or in vivo
- the method is carried out on a cell, cell culture or cell extract which comprises the component
- the cell mav be any of the cells mentioned herein, and is preferably the cell is one in which the component or part is naturally expressed
- the method may be earned out m an animal (such as any animal mentioned herein) whose msulm receptor gene comprises a polymo ⁇ hism which causes susceptibility to cephalic pain, such as any such polymo ⁇ hism mentioned herein
- an msulm receptor gene is a polynucleotide provided by the invention (as descnbed below) or comprises sequence from such a polynucleotide
- the product is a functional analogue (m)
- this will have some or all of the relevant activity of (i) or (n) will have surface that mimics the surtace of (l) or (n)
- the analogue is or comprises a fragment of (l) or (a)
- the analogue typically has homology with (I) or (u)
- the product (I), (a) or (in) may be a polynucleotide or protem of the invention as descnbed below Any suitable binding assay format can be used to determine whether the product binds the candidate substance, such as the formats discussed below
- modulate includes any of the ways mentioned herein in which the agent of the invention is able to modulate a component Whether or not a candidate substance modulates the activity of (i) or (a) may be determined by providing the candidate substance to (i) or (a) under conditions that permit activity of (I) or (a), and determining whether the candidate substance ib able to modulate the activity of the component
- the activity which is measured may be any of the activities which is mentioned herein, and may the measurement of a change in a component or an effect on a cell or an effect on an ammal in which the method is being carried out
- the effect may be one which is associated with cephalic pain, and in the case of an animal may be a symptom of cephalic pain, m particular migraine
- the symptom may be a behavioural change, vomiting, photophobia or phonophobia, or a electrophysiological or vasomodulatory change of the substance may be measured
- the assay measure the effect of the candidate substance on the binding between the component and another substance (such as a ligand)
- Suitable assays in order to measure the changes in such interactions include fluorescence imaging plate reader assays, and radiohgand binding assays
- the method may comprise measuring the ability of the candidate substance to modulate transcription, for example m a reporter gene assay Typically such an assay comprises
- test construct comprising a first polynucleotide sequence with the promoter activity of the gene of the component operably linked to a second polynucleotide sequence to be expressed in the form of mRNA
- the method tor screening for the agent determines whether the agent acts as an agonist or antagonist of a PPAR, preferably gamma (e g a PPAR which is the same or homologous to SEQ ID NO 26), in a manner that leads to activation/agonising of msulm receptor activity
- a PPAR preferably gamma
- Such a method may be based on the methods described Willson et al (2000) J Medicinal Chemistry 43,527-550
- the method determines whether the agent increases the expression or activity of an RXR ligand which has the desired effect on PPAR, l e an effect which leads to the activation of the insulin receptor
- Suitable candidate substances which tested in the above screening methods include antibody agents (for example, monoclonal and polyclonal antibodies, single chain antibodies, chimeric antibodies and CDR-grafted antibodies) Furthermore, combinatorial hbranes, defined chemical identities, peptide and peptide mimetics, oligonucleotides and natural agent libraries, such as display libraries (e g phage display libraries) may also be tested.
- the candidate substances may be chemical compounds, which are typically derived from synthesis around small molecules which may have any of the properties of the agent mentioned herein Batches of the candidate substances may be used in an initial screen of, for example, ten substances per reaction, and the substances of batches which show inhibition tested individually
- the invention also provides an isolated polynucleotide or protein that comprises (i) a polymo ⁇ hism that causes susceptibility to cephalic pain, or (ii) a naturally occurring polymo ⁇ hism that is in linkage disequilibrium with (i). Such polymorphisms may be any of the polym
- the polynucleotide or protein may comprise human or animal sequence (or be homologous to such sequence).
- Such an animal is typically a mammal, such as a rodent (e.g a mouse, rat or hamster) or a primate.
- rodent e.g a mouse, rat or hamster
- a primate e.g. a primate.
- Such a polynucleotide or protein may comprise any of the human polymorphisms mentioned herein at the equivalent positions in the animal polynucleotide or protein sequence.
- the polynucleotide or protein typically comprises the insulin receptor gene region sequence or the insulin receptor protein sequence, or is homologous to such sequences; or is part of (a fragment of) such sequences (as discussed below such sequences may be of a human or animal). In particular the part of the sequence may correspond to any of the sequences given herein in or parts of such sequences.
- the polynucleotide is typically at least 5, 10, 15, 20, 30, 50, 100, 200, 500, bases long, such as at least lkb, lOkb, lOOkb, 1000 kb or more in length.
- the polynucleotide of the invention is generally capable of hybridising selectively with a polynucleotide comprising all or part of the insulin receptor gene region sequence, including sequence 5' to the coding sequence, coding sequence, intron sequence or sequence 3' to the coding sequence. Thus it may be capable of selectively hybridising with all or part of the sequence shown in any one of SEQ ID NOS: 1 to 25 (including sequence complementary to that sequence).
- Selective hybridisation means that generally the polynucleotide can hybridize to the gene region sequence at a level significantly above background.
- the signal level generated by the interaction between a polynucleotide of the invention and the gene region sequence is typically at least 10 fold, preferably at least 100 fold, as intense as interactions between other polynucleotides and the gene region sequence.
- the intensity of interaction may be measured, for example, by radiolabelling the polynucleotide, e.g. with 32 P.
- Selective hybridisation is typically achieved using conditions of medium to high stringency (for example 0.03M sodium chloride and either 0.003 or 0.03M sodium citrate at from about 50°C to about 60°C).
- Polynucleotides of the invention may comprise DNA or RNA.
- the polynucleotides may be polynucleotides which include within them synthetic or modified nucleotides.
- a number of different types of modification to polynucleotides are known in the art. These include methylphosphonate and phosphorothioate backbones, addition of acridine or poly ly sine chains at the 3' and/or 5' ends of the molecule.
- the polynucleotides described herein may be modified by any method available in the art.
- the protein of the invention can be encoded by a polynucleotide of the invention.
- the protein may comprise all or part of a polypeptide sequence encoded by any of the polynucleotides represented by SEQ ID NO's: l to 25, or be a homologue of all or part of such a sequence.
- the protein may have one or more of the activities of the insulin receptor, such as being able to bind insulin and/or signalling activity.
- the protein is typically at least 10 amino acids long, such as at least 20, 50, 100, 300 or 500 amino acids long.
- the protein may be used to produce antibodies specific to the polymo ⁇ hism, such as those mentioned herein. This may be done for example by using the protein as an immunogen which is administered to a mammal (such as any of those mentioned herein), extracting B cells from the animal, selecting a B cell from the extracted cells based on the ability of the B cell to produce the antibody mentioned above, optionally immortalising the B cell and then obtaining the antibody from the selected B cell.
- Polynucleotides or proteins of the invention may carry a revealing label.
- Suitable labels include radioisotopes such as 32 P or J3 S, fluorescent labels, enzyme labels or other protein labels such as biotin.
- Polynucleotides of the invention can be inco ⁇ orated into a vector.
- a vector is a polynucleotide in which the sequence of the polynucleotide of the invention is present.
- the vector may be recombinant replicable vector, which may be used to replicate the nucleic acid in a compatible host cell.
- the invention provides a method of making polynucleotides of the invention by introducing a polynucleotide of the invention into a replicable vector, introducing the vector into a compatible host cell, and growing the host cell under conditions which bring about replication of the vector.
- the vector may be recovered from the host cell. Suitable host cells are described below in connection with expression vectors.
- the vector may be an expression vector.
- the polynucleotide of the invention in the vector is typically operably linked to a control sequence which is capable of providing for the expression of the coding sequence by the host cell.
- the term "operably linked” refers to a juxtaposition wherein the components described are in a relationship permitting them to function in their intended manner.
- a control sequence "operably linked" to a coding sequence is ligated in such a way that expression of the coding sequence is achieved under conditions compatible with the control sequences.
- Such vectors may be transformed into a suitable host cell as described above to provide for expression of the protein of the invention.
- the invention provides a process for preparing the protein of the invention, which process comprises cultivating a host cell transformed or transfected with an expression vector as described above under conditions to provide for expression of the protein, and optionally recovering the expressed protein.
- the vectors may be for example, plasmid, virus or phage vectors provided with an origin of replication, optionally a promoter for the expression of the said polynucleotide and optionally a regulator of the promoter.
- the vectors may contain one or more selectable marker genes. Promoters and other expression regulation signals may be selected to be compatible with the host cell for which the expression vector is designed.
- the invention also provides an animal which is transgenic for a polymo ⁇ hism as mentioned above.
- the animal may be any of the animals mentioned herein.
- the genome of all or some of the cells of the animal comprises a polynucleotide of the invention.
- the animal expresses a protein of the invention.
- the animal suffers from cephalic pain, such as
- the binding assay generally comprises contacting the candidate substance with the product and determining whether the binding occurs between the candidate substance and the product.
- the binding may be determined by measuring a characteristic of the product which changes upon binding, such as spectroscopic changes.
- the assay format may be a "band shift' system, for example based on determining whether the candidate substance advances or retards the product during gel electrophoresis.
- the assay may be a competitive binding assay . This determines whether the candidate substance is able to inhibit the binding of the product to an agent which is known to bind to the product, such as an antibody specific for the product.
- agent, polynucleotide, protein of the invention or any of the cells mentioned herein may be present in a substantially isolated form. They may be mixed with carriers or diluents and still be regarded as substantially isolated. They may also be in a substantially purified form, in which case it will generally comprise at least 90%, e.g. at least 95%, 98% or 99% of the dry mass of the preparation.
- homologues of polynucleotide or protein sequences are referred to herein.
- Such homologues typically have at least 70% homology, preferably at least 80, 90%, 95%, 97% or 99% homology, for example over a region of at least 15, 20, 30, 100 more contiguous nucleotides or amino acids.
- the homology may calculated on the basis of amino acid identity (sometimes referred to as "hard homology").
- the UWGCG Package provides the BESTFIT program which can be used to calculate homology (for example used on its default settings) (Devereux et al (1984) Nucleic Acids Research 12, p387-395).
- the PILEUP and BLAST algorithms can be used to calculate homology or line up sequences (such as identifying equivalent or corresponding sequences (typically on their default settings), for example as described in Altschul S. F. (1993) J Mol Evol 36:290-300; Altschul, S, F et al (1990) J Mol Biol 215:403-10.
- Software for performing BLAST analyses is publicly available through the
- HSPs high scoring sequence pair
- T some positive-valued threshold score
- Altschul et al, supra these initial neighbourhood word hits act as seeds for initiating searches to find HSPs containing them.
- the word hits are extended in both directions along each sequence for as far as the cumulative alignment score can be increased.
- Extensions for the word hits in each direction are halted when: the cumulative alignment score falls off by the quantity X from its maximum achieved value; the cumulative score goes to zero or below, due to the accumulation of one or more negative-scoring residue alignments; or the end of either sequence is reached.
- the BLAST algorithm parameters W, T and X determine the sensitivity and speed of the alignment.
- the BLAST algorithm performs a statistical analysis of the similarity between two sequences; see e.g., Karlin and Altschul (1993) Proc. Natl. Acad. Sci. USA 90: 5873-5787.
- One measure of similarity provided by the BLAST algorithm is the smallest sum probability (P(N)), which provides an indication of the probability by which a match between two nucleotide or amino acid sequences would occur by chance.
- P(N) the smallest sum probability
- a sequence is considered similar to another sequence if the smallest sum probability in comparison of the first sequence to the second sequence is less than about 1 , preferably less than about 0.1 , more preferably less than about 0.01 , and most preferably less than about 0.001.
- the homologous sequence typically differ by at least 1 , 2, 5, 10, 20 or more mutations (which may be substitutions, deletions or insertions of nucleotide or amino acids). These mutation may be measured across any of the regions mentioned above in relation to calculating homology. In the case of proteins the substitutions are preferably conservative substitutions. These are defined according to the following Table. Amino acids in the same block in the second column and preferably in the same line in the third column may be substituted for each other:
- the formulation of the agent for use in preventing or treating cephalic pain will depend upon factors such as the nature of the substance and the condition to be treated.
- the agent may be administered in a variety of dosage forms. Thus, they can be administered orally, for example as tablets, troches, lozenges, aqueous or oily suspensions, dispersible powders or granules.
- the inhibitors may also be administered parenterally, either subcutaneously, intravenously, intramuscularly, intrasternally, transdermally or by infusion techniques.
- the modulators may also be administered as suppositories. A physician will be able to determine the required route of administration for each particular patient.
- the agent is formulated for use with a pharmaceutically acceptable carrier or diluent.
- the pharmaceutical carrier or diluent may be, for example, an isotonic solution.
- solid oral forms may contain, together with the active compound, diluents, e.g. lactose, dextrose, saccharose, cellulose, corn starch or potato starch; lubricants, e.g. silica, talc, stearic acid, magnesium or calcium stearate, and/or polyethylene glycols; binding agents; e.g. starches, arabic gums, gelatin, methylcellulose, carboxymefhylcellulose or polyvinyl pyrrolidone; disaggregating agents, e.g.
- Liquid dispersions for oral administration may be syrups, emulsions and suspensions.
- the syrups may contain as carriers, for example, saccharose or saccharose with glycerine and/or mannitol and/or sorbitol.
- Suspensions and emulsions may contain as carrier, for example a natural gum, agar, sodium alginate. pectin, methylcellulose, carboxymefhylcellulose, or polyvinyl alcohol.
- the suspensions or solutions for intramuscular injections may contain, together with the active compound, a pharmaceutically acceptable carrier, e.g. sterile water, olive oil, ethyl oleate, glycols, e.g. propylene glycol, and if desired, a suitable amount of lidocaine hydrochloride.
- Solutions for intravenous or infusions may contain as earner, for example, sterile water or preferably they may be in the form of sterile, aqueous, isotonic saline solutions.
- a therapeutically effective amount of agent is administered to a patient.
- the dose of modulator may be determined according to various parameters, especially according to the substance used; the age, weight and condition of the patient to be treated; the route of administration; and the required regimen. Again, a physician will be able to determine the required route of administration and dosage for any particular patient.
- a typical daily dose is from about 0.1 to 50 mg per kg, preferably from about 0.1 mg/kg to lOmg/kg of body weight, according to the activity of the specific inhibitor, the age, weight and conditions of the subject to be treated, the type and severity of the degeneration and the frequency and route of administration.
- daily dosage levels are from 5 mg to 2 g.
- the dose of agent may be determined according to various parameters, especially according to the substance used; the age, weight and condition of the patient to be treated; the route of administration; and the required regimen.
- a suitable dose may however be from 0.1 to 100 mg/kg body weight such as 1 to 40 mg/kg body weight. Again, a physician will be able to determine the required route of administration and dosage for any particular patient.
- the following Example illustrates the invention
- HA head ache lasting 4-72 hrs if unsuccessfully treated, HA with at least 2 of the following unilateral pain, pulsating quality, moderate to severe intensity, aggravation by physical activity, - HA with nausea, or vomiting, or photophobia, or phonophobia (at least 1)
- HA fulfills migrame with aura characteristics, aura includes hemiparesis that may be prolonged (> 60 minutes) at least 1 first-degree relative with similar HAs
- Samples were obtained from the saidy group and genomic DNA extracted using a standard kit and a slating out technique (Camb ⁇ dge Molecular)
- the genotypes of the migrameurs with aura and control individuals for individual SNPs within the insulin receptor gene were then determined from the DNA samples obtained using the Taqman allelic discrimination assay
- the allelic discrimination assay used two allele specific primers labeled with a different fluorescent dye at their 5 ' ends but with a common quenching agent at their 3' ends. Both primers had a 3' phosphate group so that Taq polymerase could not add nucleotides to them.
- the allele specific primers comprised the sequence encompassing the polymo ⁇ hic site and differed only in the sequence at this site. The allele specific primers were only capable of hybridizing without mismatches to the appropriate allele.
- the allele specific primers were used in typing PCRs in conjunction with a third primer, which hybridized to the template 5 " of the two specific primers. If the allele corresponding to one of the specific primers was present the specific primer would hybridize perfectly to the template. The Taq polymerase, extending the 5' primer, would then remove the nucleotides from the specific probe releasing both the fluorescent dye and the quenching agent. This resulted in an increase in the fluorescence from the dye no longer in close proximity to the quenching agent. If the allele specific primer hybridized to the other allele the mismatch at the polymorphic site would inhibit the 5' to 3 ' endonuclease activity of Taq and hence prevent release of the fluorescent dye.
- the ABI7700 sequence detection system was used to measure the increase in fluorescence from each specific dye during the thermal cycling PCR directly in PCR reaction tubes. The information from the reactions was then analyzed. If an individual was homozygous for a particular allele only fluorescence corresponding to the dye from that specific primer would be released, if the individual was heterozygous both dyes would fluoresce.
- Table 1 shows the P values for the co-inheritance of the associated SNPs with migraine.
- Table 2 shows the SNPs typed in the sample group to determine association of the SNP with migraine. The polymo ⁇ hic site typed is given together with the flanking sequence 5' and 3'. Table 1
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Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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AU10368/01A AU1036801A (en) | 1999-10-19 | 2000-10-19 | Agent for treating cephalic pain |
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US16042399P | 1999-10-19 | 1999-10-19 | |
US60/160,423 | 1999-10-19 | ||
GB9924713.2 | 1999-10-19 | ||
GBGB9924713.2A GB9924713D0 (en) | 1999-10-19 | 1999-10-19 | Therapy |
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WO2001028539A2 true WO2001028539A2 (en) | 2001-04-26 |
WO2001028539A9 WO2001028539A9 (en) | 2002-02-07 |
WO2001028539A3 WO2001028539A3 (en) | 2002-09-12 |
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PCT/GB2000/004031 WO2001028539A2 (en) | 1999-10-19 | 2000-10-19 | Agent for treating cephalic pain |
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WO2002033121A2 (en) * | 2000-10-19 | 2002-04-25 | Glaxo Group Limited | Test for the diagnosis of diabetes and compounds for the treatment thereof |
EP1352972A2 (en) * | 2002-03-18 | 2003-10-15 | Jenapharm GmbH & Co. KG | Methods of identifying a pharmaceutically active compound for the treatment of a condition caused by altered expression of the insulin receptor |
US20120183966A1 (en) * | 2010-11-22 | 2012-07-19 | Harrington Sean C | Detection and quantitation of insulin receptor alpha isoform or beta isoform |
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WO2002033121A2 (en) * | 2000-10-19 | 2002-04-25 | Glaxo Group Limited | Test for the diagnosis of diabetes and compounds for the treatment thereof |
WO2002033121A3 (en) * | 2000-10-19 | 2003-10-16 | Glaxo Group Ltd | Test for the diagnosis of diabetes and compounds for the treatment thereof |
EP1352972A2 (en) * | 2002-03-18 | 2003-10-15 | Jenapharm GmbH & Co. KG | Methods of identifying a pharmaceutically active compound for the treatment of a condition caused by altered expression of the insulin receptor |
EP1352972A3 (en) * | 2002-03-18 | 2004-01-07 | Jenapharm GmbH & Co. KG | Methods of identifying a pharmaceutically active compound for the treatment of a condition caused by altered expression of the insulin receptor |
US20120183966A1 (en) * | 2010-11-22 | 2012-07-19 | Harrington Sean C | Detection and quantitation of insulin receptor alpha isoform or beta isoform |
Also Published As
Publication number | Publication date |
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AU1036801A (en) | 2001-04-30 |
WO2001028539A3 (en) | 2002-09-12 |
WO2001028539A9 (en) | 2002-02-07 |
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