LT4476B - Peptidas ir jo gavimo būdas - Google Patents
Peptidas ir jo gavimo būdas Download PDFInfo
- Publication number
- LT4476B LT4476B LT98-004A LT98004A LT4476B LT 4476 B LT4476 B LT 4476B LT 98004 A LT98004 A LT 98004A LT 4476 B LT4476 B LT 4476B
- Authority
- LT
- Lithuania
- Prior art keywords
- trp
- glu
- ala
- phe
- leu
- Prior art date
Links
- 108090000765 processed proteins & peptides Proteins 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title abstract description 8
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 claims abstract description 16
- ONIBWKKTOPOVIA-SCSAIBSYSA-N D-Proline Chemical compound OC(=O)[C@H]1CCCN1 ONIBWKKTOPOVIA-SCSAIBSYSA-N 0.000 claims abstract description 8
- QNAYBMKLOCPYGJ-UWTATZPHSA-N D-alanine Chemical compound C[C@@H](N)C(O)=O QNAYBMKLOCPYGJ-UWTATZPHSA-N 0.000 claims abstract description 8
- ROHFNLRQFUQHCH-RXMQYKEDSA-N D-leucine Chemical compound CC(C)C[C@@H](N)C(O)=O ROHFNLRQFUQHCH-RXMQYKEDSA-N 0.000 claims abstract description 8
- QIVBCDIJIAJPQS-SECBINFHSA-N D-tryptophane Chemical compound C1=CC=C2C(C[C@@H](N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-SECBINFHSA-N 0.000 claims abstract description 8
- SNDPXSYFESPGGJ-UHFFFAOYSA-N L-norVal-OH Natural products CCCC(N)C(O)=O SNDPXSYFESPGGJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- SLXKOJJOQWFEFD-UHFFFAOYSA-M 6-aminohexanoate Chemical compound NCCCCCC([O-])=O SLXKOJJOQWFEFD-UHFFFAOYSA-M 0.000 claims abstract description 7
- COLNVLDHVKWLRT-MRVPVSSYSA-N D-phenylalanine Chemical compound OC(=O)[C@H](N)CC1=CC=CC=C1 COLNVLDHVKWLRT-MRVPVSSYSA-N 0.000 claims abstract description 7
- KZSNJWFQEVHDMF-SCSAIBSYSA-N D-valine Chemical compound CC(C)[C@@H](N)C(O)=O KZSNJWFQEVHDMF-SCSAIBSYSA-N 0.000 claims abstract description 7
- OUYCCCASQSFEME-MRVPVSSYSA-N D-tyrosine Chemical compound OC(=O)[C@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-MRVPVSSYSA-N 0.000 claims abstract description 6
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 6
- 239000002253 acid Substances 0.000 claims abstract description 4
- 150000001408 amides Chemical class 0.000 claims abstract description 4
- 230000007017 scission Effects 0.000 claims abstract description 4
- 150000002148 esters Chemical class 0.000 claims abstract description 3
- AGPKZVBTJJNPAG-RFZPGFLSSA-N D-Isoleucine Chemical compound CC[C@@H](C)[C@@H](N)C(O)=O AGPKZVBTJJNPAG-RFZPGFLSSA-N 0.000 claims abstract 4
- COLNVLDHVKWLRT-QMMMGPOBSA-N L-phenylalanine Chemical compound OC(=O)[C@@H](N)CC1=CC=CC=C1 COLNVLDHVKWLRT-QMMMGPOBSA-N 0.000 claims abstract 4
- 125000000174 L-prolyl group Chemical group [H]N1C([H])([H])C([H])([H])C([H])([H])[C@@]1([H])C(*)=O 0.000 claims abstract 4
- 125000000510 L-tryptophano group Chemical group [H]C1=C([H])C([H])=C2N([H])C([H])=C(C([H])([H])[C@@]([H])(C(O[H])=O)N([H])[*])C2=C1[H] 0.000 claims abstract 4
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 claims abstract 4
- 150000008064 anhydrides Chemical class 0.000 claims abstract 3
- -1 D-NVal Chemical compound 0.000 claims description 6
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- 238000003776 cleavage reaction Methods 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
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- WHUUTDBJXJRKMK-GSVOUGTGSA-N D-glutamic acid Chemical compound OC(=O)[C@H](N)CCC(O)=O WHUUTDBJXJRKMK-GSVOUGTGSA-N 0.000 abstract 1
- 150000001413 amino acids Chemical class 0.000 abstract 1
- 238000010504 bond cleavage reaction Methods 0.000 abstract 1
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- 239000000243 solution Substances 0.000 description 9
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- 238000002360 preparation method Methods 0.000 description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- AQTUACKQXJNHFQ-ZCFIWIBFSA-N (2r)-2-[(2-methylpropan-2-yl)oxycarbonylamino]pentanedioic acid Chemical compound CC(C)(C)OC(=O)N[C@@H](C(O)=O)CCC(O)=O AQTUACKQXJNHFQ-ZCFIWIBFSA-N 0.000 description 3
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- ADFXKUOMJKEIND-UHFFFAOYSA-N 1,3-dicyclohexylurea Chemical compound C1CCCCC1NC(=O)NC1CCCCC1 ADFXKUOMJKEIND-UHFFFAOYSA-N 0.000 description 2
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- SLXKOJJOQWFEFD-UHFFFAOYSA-N 6-aminohexanoic acid Chemical compound NCCCCCC(O)=O SLXKOJJOQWFEFD-UHFFFAOYSA-N 0.000 description 1
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- 229930105110 Cyclosporin A Natural products 0.000 description 1
- PMATZTZNYRCHOR-CGLBZJNRSA-N Cyclosporin A Chemical compound CC[C@@H]1NC(=O)[C@H]([C@H](O)[C@H](C)C\C=C\C)N(C)C(=O)[C@H](C(C)C)N(C)C(=O)[C@H](CC(C)C)N(C)C(=O)[C@H](CC(C)C)N(C)C(=O)[C@@H](C)NC(=O)[C@H](C)NC(=O)[C@H](CC(C)C)N(C)C(=O)[C@H](C(C)C)NC(=O)[C@H](CC(C)C)N(C)C(=O)CN(C)C1=O PMATZTZNYRCHOR-CGLBZJNRSA-N 0.000 description 1
- 108010036949 Cyclosporine Proteins 0.000 description 1
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
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- IQFYYKKMVGJFEH-XLPZGREQSA-N Thymidine Chemical compound O=C1NC(=O)C(C)=CN1[C@@H]1O[C@H](CO)[C@@H](O)C1 IQFYYKKMVGJFEH-XLPZGREQSA-N 0.000 description 1
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- 125000000291 glutamic acid group Chemical group N[C@@H](CCC(O)=O)C(=O)* 0.000 description 1
- ZDXPYRJPNDTMRX-UHFFFAOYSA-N glutamine Natural products OC(=O)C(N)CCC(N)=O ZDXPYRJPNDTMRX-UHFFFAOYSA-N 0.000 description 1
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- GAPYKZAARZMMGP-UHFFFAOYSA-N pyridin-1-ium;acetate Chemical compound CC(O)=O.C1=CC=NC=C1 GAPYKZAARZMMGP-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
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- LCJVIYPJPCBWKS-NXPQJCNCSA-N thymosin Chemical compound SC[C@@H](N)C(=O)N[C@H](CO)C(=O)N[C@H](CC(O)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@H](C(C)C)C(=O)N[C@H](CC(O)=O)C(=O)N[C@H](C(C)C)C(=O)N[C@H](CO)C(=O)N[C@H](CO)C(=O)N[C@H](CCC(O)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@H]([C@H](C)O)C(=O)N[C@H](C(C)C)C(=O)N[C@H](CCCCN)C(=O)N[C@H](CC(O)=O)C(=O)N[C@H](CC(C)C)C(=O)N[C@H](CCCCN)C(=O)N[C@H](CCC(O)=O)C(=O)N[C@H](CCCCN)C(=O)N[C@H](CCCCN)C(=O)N[C@H](CCC(O)=O)C(=O)N[C@H](C(C)C)C(=O)N[C@H](C(C)C)C(=O)N[C@H](CCC(O)=O)C(=O)N[C@H](CCC(O)=O)C(=O)N[C@@H](C)C(=O)N[C@H](CCC(O)=O)C(O)=O LCJVIYPJPCBWKS-NXPQJCNCSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/08—Tripeptides
- C07K5/0821—Tripeptides with the first amino acid being heterocyclic, e.g. His, Pro, Trp
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
- A61K38/07—Tetrapeptides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
- A61K38/08—Peptides having 5 to 11 amino acids
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/02—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing at least one abnormal peptide link
- C07K5/0215—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing at least one abnormal peptide link containing natural amino acids, forming a peptide bond via their side chain functional group, e.g. epsilon-Lys, gamma-Glu
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/08—Tripeptides
- C07K5/0802—Tripeptides with the first amino acid being neutral
- C07K5/0804—Tripeptides with the first amino acid being neutral and aliphatic
- C07K5/0806—Tripeptides with the first amino acid being neutral and aliphatic the side chain containing 0 or 1 carbon atoms, i.e. Gly, Ala
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/08—Tripeptides
- C07K5/0802—Tripeptides with the first amino acid being neutral
- C07K5/0804—Tripeptides with the first amino acid being neutral and aliphatic
- C07K5/0808—Tripeptides with the first amino acid being neutral and aliphatic the side chain containing 2 to 4 carbon atoms, e.g. Val, Ile, Leu
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/08—Tripeptides
- C07K5/0802—Tripeptides with the first amino acid being neutral
- C07K5/0812—Tripeptides with the first amino acid being neutral and aromatic or cycloaliphatic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/08—Tripeptides
- C07K5/0819—Tripeptides with the first amino acid being acidic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/08—Tripeptides
- C07K5/0821—Tripeptides with the first amino acid being heterocyclic, e.g. His, Pro, Trp
- C07K5/0823—Tripeptides with the first amino acid being heterocyclic, e.g. His, Pro, Trp and Pro-amino acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/10—Tetrapeptides
- C07K5/1002—Tetrapeptides with the first amino acid being neutral
- C07K5/1005—Tetrapeptides with the first amino acid being neutral and aliphatic
- C07K5/1008—Tetrapeptides with the first amino acid being neutral and aliphatic the side chain containing 0 or 1 carbon atoms, i.e. Gly, Ala
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/10—Tetrapeptides
- C07K5/1002—Tetrapeptides with the first amino acid being neutral
- C07K5/1005—Tetrapeptides with the first amino acid being neutral and aliphatic
- C07K5/101—Tetrapeptides with the first amino acid being neutral and aliphatic the side chain containing 2 to 4 carbon atoms, e.g. Val, Ile, Leu
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/10—Tetrapeptides
- C07K5/1002—Tetrapeptides with the first amino acid being neutral
- C07K5/1016—Tetrapeptides with the first amino acid being neutral and aromatic or cycloaliphatic
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Molecular Biology (AREA)
- Genetics & Genomics (AREA)
- Biophysics (AREA)
- Biochemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Immunology (AREA)
- Pharmacology & Pharmacy (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Gastroenterology & Hepatology (AREA)
- Epidemiology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Peptides Or Proteins (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Description
Išradimas skirtas medicinai, o būtent - biologiškai aktyvių medžiagų, pasižyminčių imunoreguliavimo sąvybėmis, gavimo būdui, ir gali būti pritaikytas medicinoje, veretrinarijoje, o taip pat eksperimentinėje biochemijoje.
Naujų, nekenksmingų imunoreguliavimo peptidų, galinčių sustabdyti progresuojantį tokių susirgimų, kaip piktybiniai dariniai, sepsis, chroniškos ir ilgalaikės infekcijos, besivystančios imunodeficito būsenos fone, sukūrimo aktualumą patvirtina daugybė tyrinėjimų, atliktų šioje srityje.
Labiausiai paplitęs naujų peptidų sukūrimo būdas yra aktyvių peptido frakcijų išskyrimas iš apjungtų audinių ekstraktų, frakcionavimas ir valymas, gaunant individualią identifikuotą medžiagą (SU Nr. 1600047, SU Nr. 1638849, SU Nr. 1737798). Praktinėje medicinoje kaip imuninių procesų reguliatoriai gerai žinomi timuso ekstraktai, būtent, timozino 5 frakcija /Goldstein A.L., Guna A., Latz M.M., Hardy H.A., White A./, timalinas/CH, Nr.659586/. Šiuos ekstraktus sudaro polipeptidinės prigimties medžiagų kompleksas ir jų gavimą iš gamtinių šaltinių riboja gamybos sudėtingumas, maža aktyvių medžiagų išeiga ir didelis jų fizikinių-cheminių charakteristikų ir biologinių sąvybių kintamumas. Be to, timuso gamtinių praparatų sudėtyje yra balastinių komponentų, todėl, juos vartojant, ligoniai retkarčiais jaučia šalutinius poveikius. Pastaroji aplinkybė ir buvo stimulas sukurti sintetinius peptido preparatus. PCT WO 089/06134, SU 1541821, SU Nr. 1518956, EP Nr.230052, EP Nr.406931, US Nr.5021551, US Nr.5013723 išradimuose aprašyti peptidų, pasižyminčių imunoreguliavimo sąvybėmis, sintezės būdai. Kiekvienas gautas sintetinis peptidas, turintis ribotą būtinų sąvybių kompleksą, yra labai aktyvus, netoksiškas, nesukelia šalutinių poveikių, apsprendžiančių jų galimą pritaikomumą medicinoje.
Šio išradimo tikslas - sukurti naują sintetinį biologiškai aktyvų, pasižymintį imunorogeliavimo sąvybėmis, peptidą kurio formulė:
X-A-D-Trp-Y, kurioje
A - D-Glu, iD-Glu;
X - H arba Gly, Ala, Leu, Ile, Vai, NVal, Pro, Tyr, Phe, Trp, D-Ala, D-Leu, Dlle, D-Val, D-NVal, D-Pro, D-Tyr, D-Phe, D-Trp, γ-aminobutano rūgštis, ξaminokaprono rūgštis;
Y - Gly, Ala, Leu, Ile, Vai, NVal, Pro, Tyr, Phe, Trp, D-Ala, D-Leu, D-lle, DVal, D-NVal, D-Pro, D-Tyr, D-Phe, D-Trp, γ-aminobutano rūgštis, ξaminokaprono rūgštis, -OH arba pakeistasis amidas ¢(2^ - C3).
Taip pat šio išradimo tikslas yra sukurti naują technologinį peptido medžiagos gavimo procesą kuris leistų nesudėtingai kelių stadijų metu gauti aukščiau parašytos formulės produktą.
Šio išradimo esmę sudaro glutamilo peptidų sintezė tirpale, išskleidžiant tributiloksikarbonilglutamino (D arba L) rūgštį atitinkamu dariniu D-Trp-Y ir po to chromotografiškai atskiriant a- ir γ- izomerus. Tolesnė sintezė buvo atliekama, auginant peptido grandinę tributiloksikarbonilamino rūgščių aktyvuotųjų esterių pagalba.
lentelėje pateiktos peptido junginių analogų reikšmės Rf1 (chloroformasmetanolis-32 % acto rūgštis=60:45:20) ir (butanolis-piridinas-vanduo-acto rūgštis=5:5:4:1) sistemoje.
lentelė
| Peptidas | Rn | RfZ |
| Abu-D-Glu-D-Trp-OH | 0,32 | 0,53 |
| Abu-iD-Glu-D-Trp-OH | 0,29 | 0,49 |
| Aca-D-Glu-D-Trp-OH | 0,31 | 0,52 |
| Aca-iD-Glu-D-Trp-OH | 0,28 | 0,49 |
| Ala-D-Glu-D-Trp-OH | 0,34 | 0,61 |
| Ala-iD-Glu-D-Trp-OH | 0,32 | 0,55 |
| D-Ala-D-Glu-D-Trp-D-Ala | 0,22 | 0,41 |
| D-Ala-D-Glu-D-Trp-OH | 0,26 | 0,51 |
| D-Ala-iD-Glu-D-T rp-D-Ala | 0,25 | 0,50 |
| D-Ala-D-Glu-D-Trp-OH ' | ' 0,25 | 0,51 |
| D-lle-D-Glu-D-Trp-D-Leu | 0,35 | 0,53 |
| D-lle-D-Glu-D-Trp-OH | 0,36 | 0,54 |
| D-lle-iD-Glu-D-Trp-D-Leu | 0,34 | 0,53 |
| D-lle-iD-Glu-D-Trp-OH | 0,27 | 0,52 |
| D-Leu-D-Glu-D-Trp-OH | 0,36 | 0,53 |
| D-Leu-iD-Glu-D-Trp-OH | 0,35 | 0,52 |
| D-NVal-D-Glu-D-Trp-OH | 0,33 | 0,51 |
| D-NVal-iD-Glu-D-Trp-OH | 0,32 | 0,51 |
| D-Phe-D-Glu-D-T rp-Ala | 0,37 | 0,56 |
lentelės tęsinys
| D-Phe-iD-Glu-D-T rp-Ala | 0,36 | 0,55 |
| D-Pro-D-Glu-D-Trp-OH | 0,38 | 0,58 |
| D-Pro-iD-Glu-D-Trp-OH | 0,37 | 0,58 |
| D-Trp-D-Glu-D-Trp-OH | 0,41 | 0,59 |
| D-Trp-iD-Glu-D-Trp-OH | 0,40 | 0,59 |
| D-Tyr-D-Glu-D-Trp-D-Tyr | 0,39 | 0,58 |
| D-T yr-ID-Glu-D-T rp-D-T yr | 0,38 | 0,58 |
| D-Val-D-Glu-D-Trp-OH | 0,34 | 0,51 |
| D-Val-iD-Glu-D-Trp-OH | 0,33 | 0,50 |
| Gly-D-Glu-D-Trp-NVal | 0,29 | 0,51 |
| Gly-D-Glu-D-Trp-OH | 0,30 | 0,54 |
| Gly-iD-Glu-D-Trp-NVal | 0,32 | 0,53 |
| Gly-iD-Glu-D-Trp-OH | 0,29 | 0,53 |
| H-D-Glu-D-Trp-Abu | 0,33 | 0,52 |
| H-D-Glu-D-T rp-Aca | 0,30 | 0,53 |
| H-D-Glu-D-Trp-D-lde | 0,35 | 0,58 |
| H-D-Glu-D-Trp-D-Pro | 0,37 | 0,61 |
| H-D-Glu-D-Trp-Gly | 0,29 | 0,54 |
| H-D-Glu-D-Trp-lle | 0,36 | 0,58 |
| H-D-Glu-D-Trp-Leu | 0,36 | 0,59 |
| H-D-Glu-D-Trp-Lys | 0,28 | 0,47 |
| H-D-Glu-D-Trp-OH | 0,36 | 0,56 |
| H-D-Glu-D-Trp-Phe | 0,39 | 0,61 |
| H-D-Glu-D-Trp-Pro | 0,38 | 0,59 |
| H-D-Glu-D-Trp-Tyr | 0,37 | 0,58 |
| H-D-Glu-D-Trp-Val | 0,38 | 0,61 |
| H-iD-Glu-D-Trp-Abu | 0,34 | 0,51 |
| H-iD-Glu-D-Trp-Aca | 0,33 | 0,50 |
| H-iD-Glu-D-Trp-D-lle | 0,34 | 0,55 |
| H-iD-Glu-D-Trp-D-Pro | 0,36 | 0,58 |
| H-iD-Glu-D-Trp-Gly | 0,28 | 0,52 |
| H-iD-Glu-D-Trp-lle. | 0,34 | 0,57 |
| H-iD-Glu-D-Trp-Leu | 0,35 | 0,58 |
| H-iD-Glu-D-Trp-Lys | 0,27 | 0,45 |
| H-iD-Glu-D-Trp-OH | 0,30 | 0,52 |
| H-iD-Glu-D-Trp-Phe | . 0,38 | 0,61 |
| H-iD-Glu-D-Trp-Pro | 0,37 | 0,60 |
| H-iD-Glu-D-Trp-Tyr | 0,35 | 0,58 |
| H-iD-Glu-D-Trp-Val | 0,36 | 0,60 |
| lle-D-Glu-D-Trp-D-Phe | 0,42 | 0,68 |
| lle-D-Glu-D-Trp-OH | 0,38 | 0,56 |
| lle-iD-Glu-D-Trp-D-Phe | 0,40 | 0,67 |
| lle-iD-Glu-D-Trp-OH | 0,37 | 0,55 |
| Leu-D-Glu-D-Trp-OH | 0,35 | 0,62 |
| Leu-iD-Glu-D-Trp-OH | 0,27 | 0,57 |
lentelės tęsinys
| NVal-D-Glu-D-Trp-OH | 0,35 | 0,61 |
| NVal-iD-Glu-D-Trp-OH | 0,34 | 0,60 |
| Phe-D-Glu-D-Trp-OH | 0,41 | 0,63 |
| Phe-iD-Glu-D-T rp-OH | 0,40 | 0,62 |
| Pro-D-Glu-D-Trp-OH | 0,43 | 0,63 |
| Pro-iD-Glu-D-Trp-OH | 0,42 | 0,62 |
| T rp-D-Glu-D-T rp-OH | 0,45 | 0,68 |
| Trp-iD-Glu-D-Trp-OH | 0,44 | 0,67 |
| Tyr-D-Glu-D-Trp-OH | 0,42 | 0,64 |
| Tyr-iD-Glu-D-Trp-OH | 0,41 | 0,63 |
| Val-D-Glu-D-Trp-D-Val | 0,46 | 0,68 |
| Val-D-Glu-D-Trp-OH | 0,33 | 0,50 |
| Val-iD-Glu-D-Trp-D-Val | 0,44 . | 0,66 |
| Val-iD-Glu-D-Trp-OH | 0,34 | 0,52 |
Išradimas iliustruojamas pateiktu pavyzdžiu.
Pavyzdys.
H-D-Glu-D-Trp-OH ir H-iD-Glu-D-Trp-OH
1. Boc-D-Glu-OH gavimas.
14.7 g (0,1 molio) H-D-Glu-OH buvo ištirpinta 200 ml distiliuoto vandens, vienmolio KOH tirpalo pagalba pH buvo nustatytas iki 10,2, intensyviai maišant buvo pridėta 33,0 g (0,3 molio) BOC2O tirpalo dioksane. Buvo stebimas pH dydis pH-metre. Pasibaigus reakcijai, mišinys buvo patalpintas į dalijamąjį piltuvą iš šarminės terpės ekstraguotas etilacetatu 3x150 ml, vandens fazė buvo iš lėto rūgštinama 0,2% sieros rūgšties tirpalu iki pH=3,0 ir Boc-D-Glu-OH ekstraguotas į organinę fazę (3x200 ml). Organinis sluoksnis buvo praplautas 3x200 ml sočiuoju Na2SO4 tirpalu, gaunant neutralią terpę, džiovintas Na2SO4, garintas vakuume iki aliejaus būvio. Išeiga: 16,7 g (68%).
2. Boc-D-Glu-D-Trp-OH irBoc-ID-Glu-D-Trp-OH mišinio gavimas.
16.7 g (0,068 molio) Boc-D-Glu-OH buvo ištirpinta 200 ml dimetilformamide, tirpalas buvo atšaldytas iki 0°C ir maišant pridėta 20,6 g (0,1 molio) Ν,Ν’-dicikloheksilkarbodiimido, ištirpinto 100 ml dimetilformamido, tirpalo. Mišinys buvo maišomas 4 vai. +4°C temperatūroje, ir paliktas 8 vai. nusistovėti kambario temperatūroje. Iškritusios dicikloheksilkarbamido nuosėdos buvo nufiltruotos, praplautos 2x50 ml dimetilformamidu, filtratas buvo garintas vakuume, sumažinant jo tūrį perpus, ir, šaldant iki +4°C temperatūros bei intensyviai maišant, buvo pridėta 24,3 g (0,1 molio) H-D-Trp-OK. Mišinys buvo paliktas palaipsniui įšilti iki kambario temperatūros. Apie reakcijos pabaigą spręsta pagal plonasluoksnės chromotografijos duomenis sistemoje (chloroformas:etilacetatas:metanolis 6:3:1) iki išnykstant rūgšties vidinio anhidrido Boc-D-Glu dėmei. Dicikloheksilkarbamido liekanos buvo nufiltruotos, dimetilformamidas garintas vakuume. Į aliejaus pavidalo liekaną buvo pridėta 200 ml etilacetato ir 200 ml 0,2% sieros rūgšties tirpalo. Organinis sluoksnis buvo atskirtas, praplautas, neutralizuojant jį sočiuoju Na2SO4 tirpalu, džiovintas Na2SO4, etilacetato tirpalas garintas vakuume. Taip buvo gautos aliejaus pavidalo nuosėdos, kurias sudarė Boc-D-Glu-D-Trp-OH ir Boc-iD-Glu-D-Trp-OH mišinys. Bendra masės išeiga sudarė 25,4 g (70%).
3. H-D-Glu-D-Trp-OH ir H-iD-Glu-D-Trp-OH gavimas.
25,4 g (0,048 molio) mišinio buvo ištirpinta 200 ml skruzdžių rūgšties, maišyta 1 vai 40°C temperatūroje ir garinta vakuume iki aliejaus būvio. Peptidų atskyrimas ir valymas jonų mainų chromotografijos pagalba buvo atliktas kolonėlėje su Sefadeksu piridinacetatinio buferio gradiente 0,01-0,2 M. Išeiga:
5,7 g (35%) H-D-Glu-D-Trp-OH ir 5,7 g (35%) H-iD-Glu-D-Trp-OH.
Ištyrus fizikines-chemines peptido savybes, gautos sekančios jo charakteristikos:
Pirminė struktūra - H-D-Glu-D-Trp-OH ir H-iD-Glu-D-Trp-OH
Bruto formulė - Ci6H2oN305
Molekulinis svoris - 334,35
Išvaizda - balti su gelsvu atspalviu arba pilki milteliai.
Tirpumas - lengvai tirpstantis vandenyje, ribotai - spirite, netirpus chloroforme.
Ultravioletinis spektras yra 250-300 nm srityje, maksimumas - 280±2 nm, petys - 287±2 nm.
Biologinis naujojo peptido aktyvumas buvo išbandytas ant Balb/c linijos pelių. Pelių blužnies ląstelės buvo suspenduotos RPMI 1640 terpėje su 2 ml glutamino ir 5% neaktyvuoto fetalinio serumo ir 100 μϊ buvo įvesta į plokščiadugnes planšetes po 200000 ląstelių į kiekvieną duobutę atitinkamai. Tiriamasis preparatas buvo įvestas kultivavimo pradžioje. Kaip mitogenas buvo panaudotas konkanavalinas A, kurio galutinė koncentracija sudarė 2 ųg į kiekvieną duobutę. Planšetės buvo inkubuotos 48 vai, esant 37°C temperatūrai ir 5% CO2. Ląstelių proliferacija buvo įvertinta pagal 3H-timidino, kurio 5 mkg/ml dozė buvo įvesta, likus 24 vai iki kultivavimo pabaigos, įsisavinimą apskaičiuotą scintiliacinio skaitiklio pagalba, ir išreikšta skilimų kiekiu per minutę (CPM). Gauti rezultatai pateikti 2 lentelėje.
lentelė
Pelių blužnies ląstelių proliferacija
| Preparatas | CPMI* | |||
| Preparato dozė (mkg/ml) | ||||
| 1 | 5 | 10 | 20 | |
| iD-Glu-D-Trp | 68594 | 63428 | 20043 | 13222 |
| Ciklosporinas A | 67649 | 2698 | 574 | 569 |
| Kontrolinis | 61467 |
* - trijų reikšmių vidurkis
Nustatyta, kad naujasis peptidas pasižymi savybe slopinti blužnies ląstelių proliferaciją.
Siekiant išsiaiškinti ar naujasis peptidas yra nekenksmingas, buvo atliktas jo ūmaus toksiškumo įvertinimas. Šis įvertinimas buvo atliktas pagal Rusijos Federacijos farmakologijos komiteto metodines rekomendacijas “Naujų farmakologinių medžiagų bendro toksinio poveikio priešklinikinio tyrinėjimo reikalavimai”, M., 1985.
Tyrimų rezultatai parodė, kad, įvedus 1000 peptido dozių į pilvaplėvę, jis nesukėlė aštraus toksinio poveikė ir, esant tokioms dozėms, buvo neįmanoma pasiekti jų LD5oBiologiškai aktyvus peptidas gali būti plačiai pritaikytas medicinoje ir veterinarijoje.
Claims (2)
- IŠRADIMO APIBRĖŽTIS1. Peptidas, kurio formulėX-A-D-Trp-Y, kuriojeA-D-Glu, iD-Glu;X - H arba Gly, Ala, Leu, Ile, Vai, NVal, Pro, Tyr, Phe, Trp, D-Ala, D-Leu, D-lle, D-Val, D-NVal, D-Pro, D-Tyr, D-Phe, D-Trp, γ-aminobutano rūgštis, ξ-aminokaprono rūgštis;Y - Gly, Ala, Leu, Ile, Vai, NVal, Pro, Tyr, Phe, Trp, D-Ala, D-Leu, D-lle, D-Val,D-NVal, D-Pro, D-Tyr, D-Phe, D-Trp, γ-aminobutano rūgštis, ξ-aminokaprono rūgštis, -OH arba pakeistasis amidas (Ci - C3).
- 2. Peptido, kurio formulėX-A-D-Trp-Y, kuriojeA - D-Glu, iD-Glu;X - H arba Gly, Ala, Leu, Ile, Vai, NVal, Pro, Tyr, Phe, Trp, D-Ala, D-Leu, D-lle, D-Val, D-NVal, D-Pro, D-Tyr, D-Phe, D-Trp, γ-aminobutano rūgštis, ξ-aminokaprono rūgštis;Y - Gly, Ala, Leu, Ile, Vai, NVal, Pro, Tyr, Phe, Trp, D-Ala, D-Leu, D-lle, D-Val,D-NVal, D-Pro, D-Tyr, D-Phe, D-Trp, γ-aminobutano rūgštis, ξ-aminokaprono rūgštis, -OH arba pakeistasis amidas (Ci - C3), gavimo būdas, besiskiriantis tuo, kad peptido sintezę' vykdo tirpale, atidarant tributiloksikarbonilglutamino (D ar L) rūgšties vidinį anhidridą D-Trp-Y K-druskos pagalba, po to augina peptido grandinę aktyvuotųjų esterių ir mišriųjų anhidridą būdais, prieš tai atskėlus tributiloksikarbonilo grupę skruzdžių rūgštimi, ir chromotografiškai atskiriant a- ir γ- izomerus.
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| RU95108559A RU2107692C1 (ru) | 1995-06-07 | 1995-06-07 | Пептид и способ его получения |
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| LT98004A LT98004A (lt) | 1998-10-26 |
| LT4476B true LT4476B (lt) | 1999-03-25 |
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| US5916878A (en) * | 1995-11-28 | 1999-06-29 | Edward T. Wei | γ-glutamyl and β-aspartyl containing immunomodulator compounds and methods therewith |
| US6159940A (en) * | 1996-02-28 | 2000-12-12 | Immunotech Developments Inc. | Method for modulating hemopoiesis |
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| RU2320364C1 (ru) * | 2006-08-21 | 2008-03-27 | Закрытое Акционерное Общество "Центр "Пептос" | Способ лечения злокачественных новообразований |
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| US20100150924A1 (en) * | 2007-05-22 | 2010-06-17 | Elior Peles | Regulation of myelination by nectin-like (necl) molecules |
| RU2410391C1 (ru) * | 2009-06-03 | 2011-01-27 | Общество с ограниченной ответственностью "Пептос Фарма" | Пептиды, влияющие на регенерацию кроветворной системы, и фармацевтическая композиция на их основе |
| EA201391421A1 (ru) * | 2011-03-31 | 2014-02-28 | Апотекс Текнолоджиз Инк. | Пролекарства d-гамма-глутамил-d-триптофана и d-гамма-глутамил-l-триптофана |
| US20140343050A1 (en) * | 2011-03-31 | 2014-11-20 | Aptoex Technologies, Inc. | Prodrugs of d-isoglutamyl-[d/l]-tryptophan |
| CN102417474B (zh) * | 2011-09-26 | 2014-07-02 | 深圳翰宇药业股份有限公司 | D-异谷氨酰基-d-色氨酸制备的新方法 |
| RU2634258C1 (ru) * | 2016-11-08 | 2017-10-24 | федеральное государственное автономное образовательное учреждение высшего образования "Российский университет дружбы народов" (РУДН) | Наполнитель для капсульного ингалятора |
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1995
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- 1996-05-06 CZ CZ19973905A patent/CZ287816B6/cs not_active IP Right Cessation
- 1996-05-06 AT AT96915261T patent/ATE260933T1/de active
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| CH659586A5 (de) | 1985-07-02 | 1987-02-13 | Le G Ped I | Arzneimittel aus dem thymus und verfahren zu dessen herstellung. |
| EP0230052A2 (en) | 1985-12-26 | 1987-07-29 | Arthur A. Gottlieb | Immunoamplifiers and related Compositions |
| US5013723A (en) | 1987-03-19 | 1991-05-07 | Eniricerche S.P.A. | New thymopentin retro-inverso analogs and fragments thereof, a process of preparation of the new compounds and the intermediates obtained therein |
| WO1989006134A1 (fr) | 1987-12-30 | 1989-07-13 | Vsesojuzny Kardiologichesky Nauchny Tsentr Akademi | Preparation pharmaceutique pour traiter des etats immunodeficitaires |
| US5021551A (en) | 1989-01-18 | 1991-06-04 | Washington University | Method of enhancing peptide immunogenicity |
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