Hauj lwm lawm

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Lub hauv paus rau phau ntawv

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### Cov Lus Qhia Ua Haujlwm: Kev Kawm Tshwj Xeeb, Cov yam ntxwv thiab cov ntawv thov tshuaj kho mob ntawm Gonadorelin Peptides

Gonadorelin (Gonadotropin-tso cov tshuaj hormones, GNRH) yog cov tshuaj hypothatamiing los ntawm kev tswj hwm kev ua haujlwm ntawm lub lormone (FSH) los ntawm cov qog pituitary. Ntuj Gnrh thiab nws cov hluavtaws analogs (agonists thiab agelists) tau siv dav hauv kev tshawb fawb hauv kev kho tshuaj, kev kho mob qog thiab lwm thaj teb. Cov kab lus no qhia thiab tshuaj xyuas gonadorelin peptides ntawm kev pom ntawm cov qauv, cov khoom siv ua physichochemical, cov xim tsev.

### 1. Ntuj Gnrh (Gonadorelin)

** Cov Qauv Txheej Txheem **

- ** Amino acid sequence **: PGLU-HOS-TRP-TR-Tyr-Tyr-Gly-Leu-Leu-GAS-GEPT-YY-NHESS (10 peptides).

- ** Molecular hnyav ** li 1182.3 da.

** Lub cev thiab tshuaj lom neeg **

- ** Solubility **: soluble hauv dej los yog dilute acetic acid, nrog kev ruaj ntseg zoo ntawm ph {1}}.

- ** TSEEB **: Ntshav ib nrab-lub neej tsuas yog 2-4 feeb, yooj yim degraded los ntawm endopeptidases.

- ** Cia tej yam kev cia khoom **: Yuav tsum tau khov-qhuav thiab khaws cia (-20 degree), tsis txhob rov qab khov thiab yaj.

** xim thiab morphology **

- Cov khoom ntshiab yog ib qho dawb kom tawm-dawb hmoov, thiab kev daws teeb meem yog xim tsis muaj xim thiab pob tshab.

** Qhov zoo thiab cov kev txwv **

- ** ** Qhov zoo **: Kev qhia tshuaj kom meej, tsis muaj kev hloov kho kev hloov kho tshiab.

- ** Qhov tsis zoo **: Ib nrab-lub neej, kev tswjfuam tas mus li, thiab daim ntawv thov kho mob tsuas yog txwv.

** DAIM NTAWV THOV **

- Kev kuaj mob: Kev tshuaj xyuas ntawm cov pituitary muaj nuj nqi (xws li GNRH kev ntsuas ntsuas).

### 2. Khoom cua Gnrh analogs

Cov khoom siv hluavtaws txuas ntxiv mus rau ib nrab-lub neej lossis hloov pauv cov kev hloov kho tus txheej txheem, thiab muab faib ua ob pawg: ** agonists ** thiab ** agonment ".

#### (i) Gnrh Agonist Analogs

** Kev hloov kho cov qauv txheej txheem **

- ** Hloov chaw ntawm txoj hauj lwm 6 **: Gly ecydrophobic d-amino acid (xws li D-Leu, D-TRP).

- ** Hloov kho ntawm txoj haujlwm 10 **: Gly-NH₂ → ethylamide (-nruas-ch →-ch →-chozyme tsis kam.

** Cov tshuaj sawv cev thiab cov yam ntxwv **

1. ** Leuprod **

- ** Seem-nws-trp-ser-tyr-d-leu-leu-leu-leu-leu-as-nhet.

- ** Molecular hnyav **: 1209.4 DA (acetate).

- ** Solubility **: Cov Dej Dej-Cov Dej-Soluble (Npaj hauv Acetate Tsis).

- ** ** Ib nrab-lub neej **: {3-4}}}}-ua tsom tsom tsom tuaj yeem ncav tau ob peb lub hlis).

- ** Xim **: Dawb Lyophilized hmoov, tsis muaj tshuaj ntsuab.

- ** "Qhov txiaj ntsig **: Ntev-ua kev tso tawm kev tso tawm, siv rau prostate cancer thiab endometrisosis.

2. ** Goserelin **

- ** Tus qauv **: D-Ser (TBU) ntawm txoj hauj lwm 6, Aza-Gly ntawm txoj hauj lwm 10.

- ** Daim Ntawv Dosage **: Subcutaneous Cog Lus Cog Tseg, Kev Txhawb Nqa Tawm rau 28 hnub.

- ** Qhab ** tiv taus cov hnyuv enzymatic hydrolysis, yuav tsum tau muab cia kom deb ntawm lub teeb.

** Cov txiaj ntsig zoo rau **

- Thawj zaug "hluav taws xob cuam tshuam" txhawb cov tshuaj secertion, ua raws li kev ua haujlwm downregulation ntawm receptors.

- Kev npaj kev npaj ntev ntev txo qis thiab txhim kho kev ua raws kev cai.

#### (II) Gnrh antag thaiv kev analogs

** cov qauv nta **

- Ntau qhov hloov pauv hloov (xws li txoj haujlwm 1, 2, 3, 6, thiab 8) thaiv receptor ua kom muaj zog.

- Feem ntau siv D-amino acids thiab cov muaj cov pawg uas muaj cov hloov chaw.

** Tus Sawv Cev Sawv Cev thiab Khoom **

1. ** Cetrorelix **

- ** SAB SABLE **: AC-NAL-D-NAL-D-NAL-D-D-PE (pcl)-d-d-cit-leu-s-pro-d-ala-nh₂.

- ** Molecular hnyav **: 1431.6 da.

** Solubility **: MANNITOL yuav tsum rau solubilization, ruaj khov ntawm pH. {}}. 5.

- ** ** Ib nrab-lub neej **: 15-20}} teev, txhaj tshuaj txhua hnub.

- ** Xim **: hmoov dawb crystalline, cov tshuaj pom tseeb.

- ** "Qhov txiaj ntsig **: Tsis muaj cov nyhuv nplaim taws, ncaj qha inhibits gonadotropin.

2. ** Ganirelix **

- ** Tus qauv **: D-sib ceg ntawm qhov chaw thib 2, D-ala ntawm 3 txoj haujlwm thib 3.

- ** Daim ntawv thov **: Kev tiv thaiv kev tiv thaiv ntxov ntxov hauv kev pab txhawb nqa.

** Cov txiaj ntsig zoo rau **

- Kev tshwm sim sai sai ntawm kev nqis tes ua, tsis muaj kev pheej hmoo ntawm cov tshuaj hormone hloov pauv.

- Tsim nyog rau kev tiv thaiv ntawm cov qe menyuam hypuam kev ntxhov siab (Ohs).

### 3. Lwm qhov kev qhia tshwj xeeb

#### (1) los ntawm txoj kev tswj hwm

- ** Kev txhaj tshuaj **: xws li leuprorelin tsom iav (intramuscular txhaj tshuaj).

- ** Nasal tshuaj tsuag **: ntuj gnrh analogs (cov thawj coj nquag).

- ** Kev txawb me ntsis **: Goserelin (biodegradable khoom siv nyiaj tso tawm).

#### (2) los ntawm kev taw qhia

- ** Kev kho mob hlwb **: Cov neeg agonists yog siv rau cov tshuaj tiv thaiv kab mob hormones (xws li mob cancer mis thiab prostate).

- ** Tshuaj pauv me nyuam **: yog siv rau hauv cov kev sib tw vitro.

### 4. Hauv kev ntsuas ntawm lub cev thiab tshuaj lom neeg

1. 4 Yam cuam tshuam rau stability **

- ** Kub **: Feem ntau yuav tsum tau khaws cia ntawm 2-8 degree, thiab kev npaj ntev, tuaj yeem khaws cia ntawm chav tsev kub rau lub sijhawm luv luv.

- ** PE Phemitivity ": Yooj yim hydrolyzed nyob rau hauv Alkaline tej yam kev mob (xws li Ester Lomyvage).

2. ** Hloov cov lus qhia hloov **

- Yellowing lossis kua luam yuav qhia qhov tsis txaus ntseeg (xws li oxidation lossis polymerization) thiab yuav tsum muab pov tseg.

### 5. Yav Tom Ntej Kev Loj Hlob

- ** ** ** Lub kaw lus qhov ncauj **: Nanocarrier encapsulation txhim kho bioavailability.

- ** "Ntau Ntau Yam Analog

### xaus

Gonadorelin peptides tau nthuav dav cov ntawv thov kev kho mob los ntawm kev ua kom zoo nkauj, thiab agonists thiab agonists thiab agonists thiab antubsists muaj lawv tus kheej zoo. Nyob rau hauv lub neej yav tom ntej, nrog kev nce qib ntawm kev xa khoom thev naus laus zis thiab cov qauv molecular, nws lub peev xwm yuav raug tso tawm ntxiv.