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▎ Wetin na HGH 176-191?
hGH Fragmεnt 176-191 na spεsifi k fragmεnt fכ di hכmon gכt hכmon (hGH), we kכmכp fכ amino asid rεsidεns frכm posishכn 176 to 191 insay di hGH mכlikul.
▎ HGH 176-191 Struktrɔ
Sos: PubChem |
Sikyɔn: YLRIVQCRSVEGSCGF Mɔlikul Fɔmula: C 78H 123N 23O 22S2 Molikul Weyt: 1799.1g/mol CAS Nɔmba: 66004-57-7 PubChem CID: 16131230, ɛn di ɔda wan dɛn Di tin dɛn we gɛt di sem minin: Somatotropin (176-191) |
▎ HGH 176-191 Risach
Wetin na di risach bakgrɔn fɔ HGH 176-191?
di fכs risεch pan hGH bin mεnli fכkus pan in rol fכ protεkt gכt εn divεlכpmεnt. wit di dip we di risach de dip, sayɛnsman dεm fכnshכn se hGH gεt difrεn bayolojikal fכnshכn dεm, εn in difrεn strכkchכral dכmεn dεm kin bi rispansabl fכ difrεn fכnshכn dεm. fכ mek dεn gεt mכr dip כndastandin fכ di mεkanism fכ akshכn fכ hGH, risechכr dεm bigin fכ pe atεnshכn to di fכnshכn dεm fכ in spεsifi k fragmεnt dεm. hGH Fragment 176-191 bin diskכv εn stכdi insay dis kayn kכntεks. dεn fכnshכn se dis fragmεnt gεt yכnik ifekt dεm na fεt mεtabolism, blכd glukכs rεguleshכn, εtk, we de gi nyu dairekshכn fכ כndastand mכr di fysiolojikal fכnshכn dεm fכ hGH εn divεlכp riletid tritmεnt mεtכd dεm.
Wetin na di mɛkanism fɔ akshɔn fɔ HGH 176-191?
1. di mεkanism fכ akshכn pan di brεst kεnsar sεl dεm
Ɛnjɔy Drug Targeting:
stכdi dεn sho se fכ lod hGH Fragment 176-191 εn anti-kansa drog dεm insay inεt dכg kεriכ (lεk chitosan nanopartikl dεm) kin εnhans di akyumyuleshכn fכ di tכmכro drog dεm na di tכmכro sεl dεm. bay we i de biεn di protin dεm we de rilet to di tכmכro, dis fragmεnt kin tכk to di brεst kεnsar sεl dεm, we de mek di tכmכro tכk bכt di anti-kansa dכg dεm [1] . fכ egzampl, insay mכlikul dכk simulεshכn εkspεriεns, dεn fכnshכn se di hGH Fragment 176-191 pεptida kin εnhans di binding fכ dכksorubisin to mכltipכl brεst kεnsar protin tכgεt dεm, we min se dis fragmεnt de εp fכ delivεr anti-kansa drog mכr prεsis to brεst kεnsar sεl dεm.
Fɔ mek di drɔgs wok fayn:
di hGH Fragment 176-191 pεptida kin biεn di brεst kεnsar rεsεpכta dεm, we de afekt di binding fכ dכksorubisin to dεn rεsεpכta dεm ya, εn fכ εnhans di anti-kansa efikכs fכ dכksorubisin [1] . insay di viabiliti asεy fכ hכman MCF-7 brεst kεnsar sεl dεm, dεn kכnfכm se di dual-lod chitosan nanopartikl dεm (we lod wit hGH Fragment 176-191 pεptida εn dכksorubisin) gεt strכng anti-proliferativ aktiviti εgεst brεst kεnsar sεl dεm pas chitosan we lod wit dכksorubisin nכmכ. dis dual-lod strateji kin impruv di anti-kansa efficacy fכ doxorubicin εn ridyus di klinik sayd ifekt dεm we kכz we dεn de εkspos to nכn-target tisu dεm.
2. Mεkanism fכ akshכn pan Glukoz mεtabolism
Influɛns fɔ Glukɔs Transpɔt:
di sεntez hGH Fragment 176-191 gεt ifekt pan glukכs transpכt in adiposyt dεm we dεn aylכt frכm jεnεtikli obes Zucker rat dεm. dis fragmεnt kin mek di basal εn insulin-stimulated D[1-14C]-2-deoxyglucose uptεk dכn [2] . we yu kכmpεr wit di komplit hכmon gכt hכmon mכlekyul, di sεntez hGH Fragment 176-191 pεptida de mכr ifektiv pan εkwimolar kכnsantreshכn. dis sho se di fכnshכnal domεn fכ di anti-lipogenic aktiviti fכ hGH de na di C-tεrminal rijyכn fכ di hGH mכlekyul, εn di ifekt pan glukכs transpכt kin atכs pat pan di anti-lipogenic prכpati dεm fכ di hGH 176-191 pεptida εn bak di komplit כmon.
Fɔ Rigul di Glukɔs ɛn Insulin Lɛvɛl na di Blɔd:
di pεptida we dεn sεntez we kכrεspכnd to di hכman gכt hכmon amino asid dεm 176-191 kin mek di blכd glukכs inkrεs fכ sכm tεm εn mכr sכstayn inkrεs pan plasma insulin insay nכmal rat dεm [3] . fכ egzampl, wan singl doz (5 nmol/kg bכdi wet) fכ di pεptida we gεt di amino asid sikεns 178-191 fכ di hGH mכlekyul kin ridyus di insulin sεnsitiviti fכ animal dεm insay di intravenכs insulin tכlerεns tεst. dis sho se hGH Fragment 176-191 kin εksyεrt in bayolojikal ifekt dεm bay we i de rεgεl di blכd glukכs εn insulin lεvεl.

Kwaliti fכ di hGH fragmεnt 176–191 pεptida 3D-mכdel strכkchכ.
Sos:PubMed [1] we dɛn pul am.
Wetin na di aplikeshɔn dɛn fɔ HGH 176-191?
1. Ɛnjɔy di Efficacy of Antitumor Drugs
As wan Targeting Komponent fɔ di wan dɛn we de kɛr drɔgs:
stכdi dεn sho se we dεn kכmbayn HGH 176-191 wit chitosan nanopartikl dεm we lod wit antitumor drog dεm lεk dכksorubisin kin εnhans di tכgεt ifekt fכ dכksorubisin pan brεst kεnsar sεl dεm [1] . di prinsipul na fכ inkrεs di tכmכro dכg akyumyuleshכn εn lokal saytכtoksisiti tru inεt dכg kεriכ dεm we lod wit anti-kεnsar drog dεm εn pεptida dεm we kin biεn (tכgεt) tכmכro-rεlatεd protin dεm. dis dual-lod strateji kin εnhans di anti-kansa efficacy fכ dכksorubisin εn ridyus di klinik sayd ifekt dεm we de asai wit εkspכzכn to nכn-target tisu dεm.
Vɛrifikɛshɔn bay Mɔlikul Dɔk Simulshɔn:
tru tu set kכmpyuta simulεshכn εkspεriεns, dat na fכ disayd di binding afiniti fכ di HGH 176-191 pεptida to brεst kεnsar rεsεpכta dεm εn di ifekt we dis pεptida de biεn pan di binding fכ dכksorubisin to dεn sem rεsεpכta dεm ya, dεn kכnfכm di rol we HGH 176-191 de ple fכ εnhans di anti-kansa efikכs fכ dכksorubisin [1] . Apat fr dat, fכtכn kכrεleshכn spεktroskopi sho se di sεntez dual-lכd chitosan nanopartikl dεm gεt klinik fכvכrabl patikyula saiz, polydispersity indeks, εn zeta pכtεnshal.
Vɛrifikɛshɔn bay Sɛl Ɛkspiriɛns:
In di viabiliti asεy fכ hυman MCF-7 brεst kεnsar sεl dεm, di ifekt we di HGH 176-191 pεptida gεt pan di anti-kansa efikכs fכ dכksorubisin bin fכs vεrifik. di risalts sho se di anti-proliferativ aktiviti fכ dual-lod chitosan nanopartikl dεm εgεst di brεst kεnsar sεl layn (MCF-7) bכku pas di wan fכ chitosan we lod wit dכksorubisin nכmכ [1]..
2. Ifɛkt pan Blɔd Glukɔs ɛn Insulin
Influɛns di Blɔd Glukɔs Lɛvɛl:
di pεpti dεm we dεn sεntez we kכrεspכnd to hכman gכt hכmon amino asid dεm 172-191, 176-191, 177-191, 178-191, 179-191, εn 180-191 dεn bin stכdi insay nכmal rat dεm. dεn fכnshכn se fכ pan dεn pεpti dεm ya (hGH 172-191, 176-191, 177-191, εn 178-191) kin mek di glukכs na di bכdi inkrεs fכ sכm tεm, we de kכmכn wit di inkrεs we de kכmכt mכr sכstayn na di plasma insulin [3]..
Influɛns fɔ Insulin Sɛnsitiviti:
di pεptida we gεt di amino asid sikεns 178-191 fכ di hכman gכt hכmon mכlekyul sכmtεm rεdכks di insulin sεnsitiviti fכ animal dεm insay di intravenכs insulin tכlerεns tεst [3] . dis sho se riletid pεptida dεm lεk hGH Fragment 176-191 kin ple sכm rol fכ rεgεl di bכdi glukכs εn insulin mεtabolism.
3. Efεkt dεm pan Adipocyte Mεtabolism
Anti-lipojenik Efεkt:
i fכnshכn se di sεntez C-tεrminal pεptida sikεns fכ di hכmon gכt hכmon, hGH 177-191, kin indyuz dεkrεshכn in basal εn insulin-stimulεt D[1-14C]-2-dioxyglucose uptεk in adiposyt dεm we dεn aylכt frכm jεnεtikli obes Zucker rat dεm. we yu kכmpεr wit di komplit hכmon gכt hכmon mכlekyul, di pεptida we dεn sεntez na ikwal kכnsantreshכn de mכr ifektiv. dis de sho se di fכnshכnal domεn fכ di anti-lipogenic aktvכti fכ hGH de na di C-tεrminal rijyכn fכ di hGH mכlekyul, εn di ifekt pan glukכs transpכt kin atכs pat pan di anti-lipogenic prכpati dεm fכ di pεptida hGH 177-191 εn bak di komplit כmon [2, 4]..
Men Efεkt pan Lipid Mεtabolism:
stכdi dεm pan di sεntez C-tεrminal pεptida fragmεnt fכ di hכman gכt hכmon, hGH 177-191, dεn sho se i gεt di sem anti-lipogenic aktiviti lεk di komplit hכman gכt hכmon mכlekyul, εn bay we dεn mεzj di glycerol rilis rεt insay di epididymal fεt pad dεm fכ di pεptida-trit rat dεm, nכ klia lipolytic ifekt fכ hGH 177-191 bin de fɛn. dis de sכpכt di vεyus se di mεn fysiolojikal rol we di hכmon gכt hכmon de ple na di lipid mεtabolism de na di lεvεl fכ lipojεnεsis, εn di fכnshכnal domεn fכ di anti-lipogenic aktiviti fכ hGH de na di C-tεrminal rijyכn fכ di mכlikul [4]..
Na us sik eria dɛn HGH 176-191 (hGH 176-191) kin yusful?
Di wan dɛn we gɛt Fat ɛn Rilat Mɛtabolik Disɔda:
hGH Fragment 176-191 kin promuot fεt brεk dכwn εn inkrεs di כksidεtiv yutilizeshכn fכ fεt asid dεm, we de εp fכ ridyus fεt akyumyuleshכn na di bכdi. Fɔ di wan dɛn we fat, i kin ɛp fɔ ridyus di bɔdi wet ɛn impruv sɔm mɛtabolik dizayd dɛm we kin kam wit fat, lɛk insulin resistance ɛn dyslipidemia.
Di wan dɛn we gɛt Tayp 2 Dayabitis Mɛlitus:
na wan say, i kin impruv di insulin sεnsitiviti fכ di adiposyt dεm bay we i de mek di fεt mεtabolism εn ridyus di lipid akyumyuleshכn na di adiposyt dεm, we de mek insulin fכ wok bεtεh εn ridyus di blכd glukכs lεvεl. na di כda say, dis fragmεnt kin gεt sכm protεktiv ifekt bak pan di pankrεas aylet β sεl dεm, we de εp fכ mεnten di fכnshכn fכ di pankrεas aylet β sεl dεm εn fכ mek di nכmal sekreshכn fכ insulin.
Di wan dɛn we gɛt ay risk fɔ gɛt sik dɛn na di at ɛn di blɔd:
biכs hGH Fragment 176-191 kin rεgεl di fεt mεtabolism, ridyus di lεvεl dεm fכ di atherogenic lipid dεm lεk triglisεrayd εn lכw dεnsiti lipoprotein kכlestכl na di bכdi, εn inkrεs di kכntεnt fכ di ay-dεnsiti lipoprotein kכlestכl, i kin εp fכ ridyus di digri fכ atεrosklεrosis εn lכs di risk fכ kכdivaskyul sik dεm. Fɔ di wan dɛn we gɛt bɔku tin dɛn we kin mek dɛn gɛt sik dɛn we de mek dɛn at ɛn blɔd, lɛk fɔ fat, fɔ gɛt bɔku bɔku lipidemia, ɛn fɔ gɛt ay blɔd prɛshɔn, i kin gɛt sɔm kayn tin we de protɛkt dɛn at ɛn blɔd.
fכ kכnklud, hGH Fragment 176-191 kin ridyus di glukכs כptek fכ adiposyt dεm εn i gεt anti-lipogenic aktiviti fכ rεgεl adiposyt mεtabolism; i de sho ifekt dεm lεk we di glukכs na di bכdi de inkrεs fכ sכm tεm, di insulin we de inkrεs fכ sכtεm, εn di insulin sεnsitiviti we de dכn na di blכd glukכs rεgulεshכn; insay di fil fכ tritmεnt tכmכro, i kin εnhans di anti-kansa efεktiv fכ dכksorubisin εgεst brεst kεnsar sεl dεm. Di difrɛn difrɛn tin dɛm we i de du de gi nyu dairekshɔn fɔ di risach ɛn tritmɛnt fɔ sik dɛm lɛk fɔ fat, dayabitis, ɛn bɔdi kansa.
Bɔt di pɔsin we rayt di buk
Di tin dɛn we wi dɔn tɔk bɔt ɔp, na ɔl di tin dɛn we Cocer Peptides dɔn du risach, ɛdit ɛn kɔmpilayt.
Sayɛns Jɔnal Author
Habibullah MM na wan akɔmplished akademik ɛn risachɔ we gɛt fɔ du wit prestij institiushɔn dɛn lɛk Jazan Yunivasiti, Najran Yunivasiti, ɛn di Yunivasiti ɔf Shefild. In risach intɛres dɛn de pan bɔku difrɛn disiplin dɛn, lɛk famakɔlɔji ɛn famasi, jenɛral ɛn intanɛnt mɛdisin, bayɔkemistri ɛn mɔlikul bayoloji, wɛlbɔdi biznɛs sayɛns ɛn savis, ɛn intadisiplinari tɔpik dɛn na sayɛns ɛn tɛknɔlɔji. Wit di fos fɔ advans no na dɛn fild ya, in wok de kɔntribyut bɔku pan ɔl tu di tiori ɛn aplai risach, we de adrɛs impɔtant chalenj dɛn na wɛlbɔdi biznɛs ɛn sayɛns inovashɔn. Habibullah MM de list in di rεfrεns כf saytεshכn [1].
▎ Saytayshɔn dɛn we gɛt fɔ du wit dis
[1] Habibullah M. M., Mohan S., Syed N. K., ɛn ɔda pipul dɛn. Human Growth Hormon Fragment 176-191 Pεptid de εnhans di Tכksisiti fכ Dכksorubisin-Lod Chitosan Nanopartikl dεm Agens MCF-7 Brest Kεnsar Sεl Dεm[J]. Drug Dɛvɛl Tɛr, 2022,16:1963-1974.DOI:10.2147/DDDT.S367586.
[2] Wijaya E, Ng F M. Efεkt כf wan antilipogenic fragmεnt כf hכman gכt hכmon pan glukכs transpכt in rat adiposyt dεm[J]. Bayochem Mol Biol Int, 1993,31(3):543-552.https://pubmed.ncbi.nlm.nih.gov/8118430/
[3] Ng FM, Bornstein J. Hyperglycemic akshכn fכ sεntetik C-tεrminal fragmεnt dεm fכ di hכmon gכt hכmon[J]. Am J Fysiol, 1978,234(5):E521-E526.DOI:10.1152/ajpendo.1978.234.5.E521.
[4] Wu Z, Ng F M. Antilipogenic akshכn fכ sεntetik C-tεrminal sikεns 177-191 fכ hכman gכt hכmon.[J]. Bayokemistri ɛn Mɔlikul Bayoloji Intɛrnashɔnal, 1993,30 1:187-196. https://pubmed.ncbi.nlm.nih.gov/8358331/ Di wan dɛn we de stɔdi bɔt di Baybul.
ƆL DI ATIKUL ƐN PRODƆKT INFƆMƐSHƆN WE DƐN GI NA DIS WƐBSAYT NA FƆ ƆL FƆ DI INFƆMƐSHƆN ƐN FƆ EDYUKESHƆN.
Di prɔdak dɛn we dɛn gi na dis wɛbsayt na fɔ in vitro risach nɔmɔ. in vitro risach (Latin: *in glas*, we min insay glas) dεn de du am ausayd mכtalman bכdi. Dɛn prɔdak ya nɔto mɛrɛsin, dɛn nɔ gɛt di aprɔval frɔm di US Food and Drug Administration (FDA), ɛn dɛn nɔ fɔ yuz dɛn fɔ protɛkt, trit, ɔ mɛn ɛni mɛrɛsin, sik, ɔ sik. Di lɔ nɔ gri fɔ mek dɛn put dɛn tin ya insay mɔtalman ɔ animal bɔdi ɛni we.