EP0449915A1 - Nouveaux peptides derives du facteur de necrose de tumeurs (tnf) - Google Patents

Nouveaux peptides derives du facteur de necrose de tumeurs (tnf)

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Publication number
EP0449915A1
EP0449915A1 EP90900841A EP90900841A EP0449915A1 EP 0449915 A1 EP0449915 A1 EP 0449915A1 EP 90900841 A EP90900841 A EP 90900841A EP 90900841 A EP90900841 A EP 90900841A EP 0449915 A1 EP0449915 A1 EP 0449915A1
Authority
EP
European Patent Office
Prior art keywords
gly
thr
pro
leu
group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP90900841A
Other languages
German (de)
English (en)
Inventor
Hans-Joachim Boehm
Lothar Daum
Andreas Haupt
Bernhard Schmied
Nigel Walker
Johann-Christian Zechel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Publication of EP0449915A1 publication Critical patent/EP0449915A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • C07K14/52—Cytokines; Lymphokines; Interferons
    • C07K14/525—Tumour necrosis factor [TNF]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/02—Immunomodulators
    • A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
    • 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 new peptides derived from tumor necrosis factor (TNF), their production and their use as medicaments.
  • TNF tumor necrosis factor
  • TNF TNF-induced fibroblast proliferation
  • the invention relates to peptides of the formula I,
  • A is Gly, A a or Ser,
  • 0 E represents Ser or Pro
  • 5 Y represents a group -Z, -NH-CHQ-CO-Z, -V-NH-CHQ-CO-Z, -NH-CHQ-CO-U-Z or -V-NH-CHQ-CO-U-Z,
  • Z represents an OH or NH 2 group or a carboxyl protecting group
  • R, U, V and W represent peptide chains from 1-4 naturally occurring ⁇ -amino acids and 0
  • M and Q are hydrogen atoms or one of the groups
  • M and Q together form a - (CH2) c _ SS- (CH2) r / - (CH 2 ) e -CO-NH- (CH 2 ) f- or - (CH2) e -NH-CO- (CH2) g -NH-CO- (CH 2 ) f bridge (with c and d meaning a number from 1 to 4, e and f a number from 1 to 6 and g a number from 1 to 12),
  • the peptides of formula I are made up of L-amino acids, but they can contain 1 to 2 D-amino acids.
  • the side chains of the trifunctional amino acids can carry protective groups or be unprotected.
  • physiologically compatible acids hydrochloric acid, citric acid, tartaric acid, lactic acid, phosphoric acid, methanesulfonic acid, acetic acid, formic acid, maleic acid, fu aric acid, malic acid, succinic acid, malonic acid, sulfuric acid, L-gutamic acid,
  • L-aspartic acid pyruvic acid, mucic acid, benzoic acid, glucuronic acid, oxalic acid, ascorbic acid, acetylglycine.
  • the new compounds can be prepared by methods known in peptide chemistry.
  • the peptides can thus be built up sequentially from amino acids or by fragment linking suitable small peptides.
  • the sequential construction the peptide chain is gradually extended by one amino acid each, starting at the C terminus.
  • fragment coupling fragments of different lengths can be linked to one another, the fragments again by sequential construction from amino acids or in turn by Fragment coupling can be obtained.
  • the cyclic peptides are obtained after synthesis of the open-chain peptides by a cyclization reaction carried out in high dilution.
  • the building blocks must be linked by forming an amide bond. Enzymatic and chemical methods are suitable for this.
  • activators in particular dicyclohexylcarbodii id (DCC), diisopropylcarbodiimide (DIC), 1-ethoxycarbonyl-2 -ethoxy-l, 2-dihydroquinoline (EEDQ), l-ethyl-3- (3-dimethylaminopropyl) carbodiimide hydrochloride (EDCI), n-propanephosphonic anhydride (PPA), N, N-bis (2-oxo-3-oxazolidinyl) amidophosphoric acid chloride (BOP-Cl), diphenylphosphoryl azide (DPPA), Castro's reagent (BOP), 0-benzotriazolyl-N, N, N ', N'-tetramethyluronium salts (HBTU), 2, 5-diphen
  • the coupling reagents can be used alone or in combination with additives such as N, N'-dimethyl-4-aminopyridine (DMAP), N-hydroxybenzotriazole (HOBt), N-hydroxybenzotriazine (HOOBt), N-hydroxysuccinimide (HOSu) or 2-hydroxypyridine .
  • DMAP N, N'-dimethyl-4-aminopyridine
  • HOBt N-hydroxybenzotriazole
  • HOOBt N-hydroxybenzotriazine
  • HOSu N-hydroxysuccinimide
  • 2-hydroxypyridine 2-hydroxypyridine
  • three protecting group techniques known from the literature are preferred: the benzyloxycarbonyl (Z), the t-butyloxycarbonyl (Boc) and the 9-fluorenylmethyloxycarbonyl (Fmoc) protective group technique.
  • the protective group of the ⁇ -amino function of the chain-extending building block is designated in each case.
  • the side chain protecting groups of the trifunctional amino acids are chosen so that they are not necessarily split off together with the ⁇ -amino protecting group.
  • the peptide is typically built up sequentially on the polymeric support using the Boc or Fmoc protective group technology, the growing peptide chain at the C-terminus being covalently linked to the insoluble resin particles (cf. FIGS. 1 and 2). This procedure allows reagents and by-products to be filtered
  • the protected amino acids can be bound to any suitable polymer which is only insoluble in the solvents used
  • the polymer must contain a functional group to which the first protected amino acid can be bound by a covalent bond.
  • Various polymers are suitable for this purpose, e.g. Cellulose, polyvinyl alcohol, polymethacrylate
  • BACHEM HYCRAM resin
  • ORPEGEN HYCRAM resin
  • SASRIN resin BACHEM
  • the peptide is split off from the polymeric carrier.
  • solvents which additionally have resin-swelling properties such as DMF, DCM, NMP, acetonitrile and DMSO, and mixtures of these solvents are preferred.
  • the peptide is split off from the polymeric carrier.
  • the conditions under which the various types of resin can be split off are known from the literature. Acid and palladium-catalyzed cleavage reactions are most frequently used, in particular cleavage in liquid anhydrous hydrogen fluoride, in anhydrous trifluoromethanesulfonic acid, in dilute or concentrated trifluoroacetic acid or palladium-catalyzed cleavage in THF or THF-DCM mixtures in the presence of a weak Base such as morpholine. Depending on the choice of the protective groups, these can be retained under the cleavage conditions or can also be split off. Partial deprotection of the peptide can also be useful if certain derivatization reactions or a
  • the new peptides show good cytotoxic properties. Another part of the peptides has a high affinity for the cellular TNF receptor, but without having any cytotoxic activity. They therefore represent TNF antagonists. In competition with natural TNF, they bind to the cellular TNF receptor and thus suppress the TNF effect.
  • the new peptides prove to be valuable medicinal products which can be used for the treatment of neoplastic diseases and autoimmune diseases and for the control and prophylaxis of infections, inflammations and rejection reactions in transplantations. Simple experiments can be used to clarify the mode of action of the individual peptides. With a TNF-sensitive cell, the cytotoxicity of the peptide is determined by incubating the cell line in the presence of the peptide.
  • the cell line is incubated with the corresponding peptide in the presence of a lethal amount of TNF. This enables the TNF-antagonizing effect to be demonstrated.
  • the affinity of the peptide " to the cellular TNF receptor is determined by an in vitro binding experiment.
  • the agonistic evaluation of the new peptides is based on their cytotoxic effect on TNF-sensitive cells (e.g. L929, MCF-7, A204, U937).
  • the L929 and MCF-7 test was performed as follows:
  • the L929 culture medium contained 500 ml MEM Earle lx (Boehringer, Mannheim), 50 ml heat-inactivated (30 min, 56 ° C) fetal
  • Calf serum 50 ml L-glutamine (200 mM), 5 ml 100x non-essential amino acids, 3 ml IM Hepes buffer pH 7.2 and 50 ml gentamycin (50 mg / ml).
  • the MCF-7 culture medium contained 500 ml MEM Dulbecco lx (Boehringer, Mannheim), 100 ml heat-inactivated (30 min, 56 ° C.) FCS, 5 ml L-glutamine and 5 ml lOOx nonessential amino acids.
  • the percentage of surviving cells in the cultures treated with peptide dilution was determined by means of crystal violet staining .
  • the liquids were removed from the wells by knocking off the test plate. 50 ⁇ l of crystal violet solutions were pipetted into each well.
  • the crystal violet solution had the following composition:
  • the 50% cytotoxicity value was defined and the reciprocal of the sample dilution, which leads to 50% cytotoxicity, was determined as the cytotoxic activity of the examined sample.
  • the antagonistic evaluation of the peptides is based on their ability to compete for the cytotoxic effect of rhu-TNF on TNF-sensitive cells (e.g. L929, MCF-7, A204, U937).
  • TNF-sensitive cells e.g. L929, MCF-7, A204, U937.
  • the competition cytotoxicity test with L929 and MCF-7 cells was carried out as follows:
  • the L929 culture medium contained 500 ml of MEM Earle lx (Boehringer, Mannheim), 50 ml of FCS heat-inactivated for 30 min at 56 ° C., 5 ml of L-glutamine (200 mM), 5 ml of 100x nonessential amino acids, 3 ml of IM Hepes buffer pH 7.2 and 500 ⁇ l gentamycin (50 mg / ml).
  • the MCF-7 culture medium contained 500 ml MEM Dulbecco lx (Boehringer, Mannheim), 100 ml heat-inactivated (30 min, 56 ° C.) FCS, 5 ml L-glutamine (200 mM) and 5 ml 100x nonessential amino acids .
  • the percentage of surviving cells in the cultures treated with substance solution was determined by means of crystal violet staining.
  • the liquids were removed from the wells by knocking off the test plate. 50 ⁇ l of crystal violet solutions were pipetted into each well.
  • the crystal violet solution had the composition given in II.3.
  • wash plates 5 times each by immersing them in water to remove the non-cell-bound dye.
  • the cell-bound dye was extracted from the cells by adding 100 ⁇ l of reagent solution (50% ethanol, 0.1% glacial acetic acid, 49.9% water) to each well.
  • the 50% competition value was defined and the sample concentration, which leads to 50% competition of the rhu-TNF cytotoxicity at the rhu-TNF concentration presented, determined as the antagonistic activity of the sample examined.
  • Peptides require that the latter bind to the TNF receptor.
  • the medium contained 500 ml of PBS (Boehringer, Mannheim) r 10 ml heat inactivated (30 min, 56 ° C) FCS and 100 mg Natriu azide.
  • the 50% competition value was defined, based on the total binding, and the sample concentration, at the I25j-rhu-TNF concentration presented, 50% competition of the 125- r hu-TNF -Binding leads, determined as the competitive activity of the sample examined.
  • proteogenic amino acids are abbreviated in the examples with the well-known three-letter code.
  • Aad ⁇ -aminoadipic acid
  • Abs 4-aminobutyric acid
  • Ac acetic acid
  • Ahp 7-aminoheptanoic acid
  • Aoc 8-aminooctanoic acid
  • Ape 5-aminopentanoic acid
  • Hey homocysteine
  • Orn ornithine.
  • the peptide resin obtained according to la was dried in a vacuum and transferred into a reaction vessel of a Teflon HF apparatus (from PENINSULA). After adding a scavenger, preferably anisole (1 ml / g resin), and in the case of tryptophan-containing peptides of a thiol to remove the indolene formyl group, preferably ethanedithiol (0.5 ml / g resin), cooling with liquid N 2 hydrogen fluoride was carried out siert (10 ml / g resin). The mixture was allowed to warm to 0 ° C and stirred at this temperature for 45 min.
  • a scavenger preferably anisole (1 ml / g resin)
  • tryptophan-containing peptides of a thiol preferably ethanedithiol (0.5 ml / g resin)
  • cooling with liquid N 2 hydrogen fluoride was carried out siert (10 ml / g
  • the fluorine hydrogen was then removed in vacuo and the residue was washed with ethyl acetate in order to remove residual scavengers.
  • the peptide was extracted with 30% acetic acid, filtered and the filtrate lyophilized.
  • the peptide resin (Pam or Merrifield resin) was suspended in DMF (15 ml / g resin) and, after addition with hydrazine hydrate (20 equivalents), stirred for 2 days at room temperature. For working up, the resin was filtered off and the filtrate was evaporated to dryness. The residue was crystallized from DMF / Et 2 0 or MeOH / Et 2 ⁇ .
  • the peptide resin obtained according to Ib was dried in vacuo and then, depending on the amino acid composition, subjected to one of the following cleavage procedures (Wade, Tregear, Howard Florey Foc Workshop Manual, Melbourne 1985).
  • the peptide contains cleavage conditions
  • the suspension of the peptide resin in the appropriate TFA mixture was stirred at room temperature for the specified time, after which the resin was filtered off and washed with TFA and DCM.
  • the filtrate and the washing solutions were largely concentrated and the peptide was precipitated by adding diethyl ether. After cooling in an ice bath, the precipitate was filtered off, taken up in 30% acetic acid and lyophilized.
  • the purity of the end products obtained was determined using analytical HPLC (stationary phase: 100 ⁇ 2.1 mm VYDAC C-18, 5 ⁇ , 300 ⁇ ; mobile phase CH 3 CN / H 2 0 gradient, buffered with 0.1% TFA, 40 ° C). Amino acid analysis and fast atom bombardment mass spectroscopy were used for characterization.
  • the peptide resin was deprotected at the N-terminal and acetylated (steps 1-5 and 14-16 according to Ala) and then dried in vacuo; the yield was 1.65 g.
  • step 2-4 were carried out according to Alb).
  • the peptide resin obtained was dried in vacuo; the yield was 0.7 g.
  • the crude peptide (217 mg) obtained after the TFA cleavage according to AIII was purified by gel filtration (SEPHADEX® G - 10) and medium pressure chromatography (cf. AIV; 30 - 50%; 0.25% min -1 ). 107 mg of pure product were obtained.
  • Boc-Thr (Bzl) -0H Boc-Gly-OH Boc-Ser (Bzl) -OH Boc-Lys (Cl-Z) -0H
  • the N-terminus was acetylated (steps 2-4 and 8-9 according to Alb).
  • the peptide resin obtained was dried in vacuo; the yield was 1.82 g.
  • the crude product was purified by gel chromatography (SEPHADEX® G-15) and medium pressure chromatography (cf. AIV; 30-50% A; 0.25% min -1 ). 65 mg of pure product were obtained.
  • the N-terminus was acetylated (steps 1-5 and 14-16 according to Ala).
  • the peptide resin obtained was dried in vacuo; the yield was 2 g.
  • the crude product (450 mg) obtained after the HF cleavage according to All was dissolved in 500 ml of degassed DMF, mixed with 210 mg of NaHC0 3 and 660 mg of BOP. The mixture was stirred at room temperature for 6 days and then evaporated to dryness.
  • the crude peptide was purified by gel chromatography (SEPHADEX® LH 20) and then medium pressure chromatography (cf. A IV, 40-60% A; 0.25% min -1 ). 117 mg of pure product were obtained.
  • the isolated monomer (205 g) was deprotected according to A H with HF and purified by medium pressure chromatography (cf. AIV 40-60% A; 0.25% min-l). 78 mg of pure product were obtained.
  • steps 1 to 6 were carried out according to Ala).
  • the cyclization on the resin was carried out in NMP with the addition of 1.77 g of BOP and 1.74 ml of diisopropylethylamine (24 h).
  • the peptide resin was deprotected at the N-terminal (execution of steps 2 to 4 according to Alb) and dried in vacuo. The yield was 3.75 g.
  • the crude product obtained after HF cleavage according to AH was purified by gel filtration (Sephadex® G-25) and two medium-pressure chromatography (cf. AIV; 20 to 40%; 0.25 min -1 ). 17 mg of pure product were obtained.
  • the peptide resin was deprotected at the N-terminal (steps 2 - 4 according to Alb) and then dried in vacuo. The yield was 1.63 g.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Immunology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Toxicology (AREA)
  • Zoology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Biochemistry (AREA)
  • Transplantation (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Pain & Pain Management (AREA)
  • Rheumatology (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

Abstract

L'invention concerne de nouveaux peptides ayant la formule X-A-B-Pro-E-Y, dans laquelle A, B, E, X et Y ont la signification donnée dans la description, et leur procédé de production. Ces nouveaux peptides sont utiles pour traiter des maladies.
EP90900841A 1988-12-12 1989-12-02 Nouveaux peptides derives du facteur de necrose de tumeurs (tnf) Withdrawn EP0449915A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3841762 1988-12-12
DE3841762A DE3841762A1 (de) 1988-12-12 1988-12-12 Neue tnf-peptide

Publications (1)

Publication Number Publication Date
EP0449915A1 true EP0449915A1 (fr) 1991-10-09

Family

ID=6368957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90900841A Withdrawn EP0449915A1 (fr) 1988-12-12 1989-12-02 Nouveaux peptides derives du facteur de necrose de tumeurs (tnf)

Country Status (5)

Country Link
EP (1) EP0449915A1 (fr)
JP (1) JPH04502154A (fr)
CA (1) CA2005061A1 (fr)
DE (1) DE3841762A1 (fr)
WO (1) WO1990006940A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3203599B2 (ja) * 1989-10-24 2001-08-27 カイロン コーポレイション 感染性タンパク質デリバリーシステム
US6375928B1 (en) 1990-03-12 2002-04-23 Peptech Limited Neutrophil stimulating peptides
US5587457A (en) * 1990-03-12 1996-12-24 Peptide Technology Limited Neutrophil stimulating peptides
AU8337291A (en) * 1990-08-06 1992-03-02 Cetus Corporation Methods for the identification of cytokine convertase inhibitors

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0190127A1 (fr) * 1984-08-10 1986-08-13 MERCK PATENT GmbH Agents polypeptides immunotherapeutiques

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9006940A1 *

Also Published As

Publication number Publication date
CA2005061A1 (fr) 1990-06-12
WO1990006940A1 (fr) 1990-06-28
DE3841762A1 (de) 1990-06-13
JPH04502154A (ja) 1992-04-16

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