1 khoom (10Vials)
| Muaj: | |
|---|---|
| Ntim: | |
▎ Tesamoreli Txheej txheem cej luam
Tesamoreli yog ib qho hluavtaws analogue ntawm kev loj hlob hormone-tso hormone (GHRH), uas yog siv los kho qhov txawv txav ntawm lub plab rog hauv cov neeg mob HIV los ntawm kev kho tshuaj tua kab mob, thiab nws muaj qhov tseem ceeb hauv kev kho mob thiab ntau yam zoo. Los ntawm kev ua raws li GHRH tsim los ntawm tib neeg lub cev nws tus kheej, nws ua rau lub caj pas anterior pituitary kom zais cov tshuaj hormones loj hlob, yog li nce qib ntawm cov tshuaj insulin zoo li kev loj hlob ntawm I. Qhov no, nyob rau hauv lem, pab haus visceral rog thiab optimize rog tis. Ntxiv nrog rau kev txo cov rog hauv plab, nws tuaj yeem ua kom lub cev muaj zog, txhim kho cov leeg nqaij, thiab ua kom cov pob txha ceev.
▎ Tesamoreli Structure
Source: PubChem |
Sequence: YADAIFTNSYRKVLGQLSARKLLQDIMSRQQGESNQERGARARL Molecular Formula: C 221H 366N 72O 67S Molecular Luj: 5136g / mol CAS Nr .: 218949-48-5 PubChem CID: 16137828 Synonyms: Egrifta |
▎ Tesamoreli Kev Tshawb Fawb
Kev tshawb fawb keeb kwm ntawm Tesamoreli yog dab tsi?
Recombinant human growth hormone (rhGH) muaj kev kho mob zoo nyob rau hauv kev kho mob ntawm kev loj hlob hormone (GH) deficiency, tab sis nws kuj yog nrog los ntawm ntau yam phiv phiv. Qhov xwm txheej no tau ua rau muaj kev loj hlob ntawm tib neeg txoj kev loj hlob hormone-tso cov khoom (GFR) analogues, vim tias lawv yuav muaj kev tiv thaiv zoo dua. Tesamoreli yog ib qho hluavtaws GFR uas tau tsim los ua kev kho mob rau ntau yam kab mob uas yuav cuam tshuam nrog tus txheeb ze tsis muaj GH, suav nrog HIV-koom nrog lipodystrophy.
Dab tsi yog cov txheej txheem ntawm kev txiav txim ntawm Tesamoreli?
Mechanism of action on HIV-associated non-alcoholic fatty liver disease (NAFLD):
Kev cai ntawm gene expression:
Hauv HIV-koom nrog NAFLD, los ntawm kev txheeb xyuas cov noob qoob loo, nws tau pom tias Tesamoreli tau nce qhov kev qhia ntawm cov noob caj noob ces muaj feem cuam tshuam rau oxidative phosphorylation hauv daim siab, thaum txo cov kev qhia ntawm cov noob muaj feem cuam tshuam nrog kev mob, kho cov ntaub so ntswg, thiab kev faib cell [1] . Tshwj xeeb tshaj yog, Tesamoreli tau tswj hwm lub siab cov kab mob ntsig txog kev mob, kho cov ntaub so ntswg, thiab kev faib tawm ntawm tes, qhia tias nws siv nws cov txiaj ntsig los ntawm kev tswj cov kev qhia ntawm cov noob no.
Inhibition ntawm cov neeg nruab nrab tseem ceeb:
Tesamoreli tuaj yeem cuam tshuam cov neeg nruab nrab tseem ceeb ntawm angiogenesis, fibrosis, thiab o. Piv txwv li, nws muaj peev xwm txo tau cov theem ntawm vascular endothelial kev loj hlob yam A (VEGFA), transforming loj hlob factor β1 (TGFB1), thiab macrophage colony-stimulating factor 1 (CSF1). Hauv cov neeg tuaj koom tau txais kev kho mob Tesamoreli, qhov txo qis hauv VEGFA thiab CSF1 hauv cov ntshav tau cuam tshuam nrog kev txo qis hauv cov kab mob uas tsis yog-alcoholic fatty siab kab mob ua haujlwm, thiab qhov txo qis hauv TGFB1 thiab CSF1 tau cuam tshuam nrog kev txo qis hauv cov gene-theem fibrosis qhab nia [1] . Raws li tus tswj hwm ntawm kev nrhiav neeg ua haujlwm monocyte thiab ua kom muaj zog, CSF1 tuaj yeem dhau los ua lub hom phiaj kho tshiab rau HIV-koom nrog NAFLD.
Mechanism ntawm kev txiav txim ntawm peripheral paj hlwb raug mob:
Hauv kev kho mob ntawm cov hlab ntsha peripheral, Tesamoreli ntseeg tau tias yuav txhim kho axonal regeneration, txo cov leeg nqaij atrophy, thiab txhim kho cov txiaj ntsig ua haujlwm. Cov kev tshawb fawb tam sim no qhia tias Tesamoreli tuaj yeem siv nws cov txiaj ntsig los ntawm kev txhawb nqa cov txheej txheem ntawm cov paj hlwb rov tsim dua tshiab thiab kho. Cov txheej txheem tshwj xeeb ntawm kev txiav txim tseem tsis tau nkag siab tag nrho, tab sis nws yuav koom nrog kev tswj hwm ntawm cov paj hlwb kev loj hlob, txhawb kev loj hlob ntawm axonal, thiab myelination [2].
Dab tsi yog qhov tshwj xeeb ntawm Tesamoreli hauv kev txo cov roj visceral thiab lub siab rog hauv cov tib neeg uas muaj kab mob HIV?
Regulatory nyhuv ntawm kev loj hlob hormone:
Stimulating kev loj hlob hormone secretion:
Tesamoreli yog ib qho hluavtaws GHRH uas tuaj yeem txhawb kev tso tawm ntawm kev loj hlob hormone. Hauv cov tib neeg uas muaj tus kab mob HIV, qhov tso tawm ntawm cov tshuaj hormones loj hlob tuaj yeem cuam tshuam, thiab Tesamoreli tuaj yeem txhawb nqa lub caj pas pituitary anterior kom tso cov tshuaj hormones loj hlob los ntawm kev ua raws li kev ua ntawm GHRH [3-5].
Regulating rog metabolism:
Kev loj hlob hormone plays lub luag haujlwm tseem ceeb hauv cov roj metabolism. Nws tuaj yeem txhawb lipolysis, nce oxidation ntawm fatty acids, thiab txo cov rog. Los ntawm stimulating lub secretion ntawm kev loj hlob hormone, Tesamoreli yuav indirectly tswj cov roj metabolism thiab txo cov tsub zuj zuj ntawm visceral rog thiab daim siab rog [3-5].
Kev cuam tshuam ntawm daim siab gene qhia:
Hloov cov gene pathways:
Cov kev tshawb fawb tau pom tias Tesamoreli tuaj yeem ua rau kom muaj kev nthuav qhia ntawm cov noob caj noob ces muaj feem xyuam rau oxidative phosphorylation hauv daim siab, thaum txo cov kev qhia ntawm cov noob caj noob ces cuam tshuam nrog o, kho cov ntaub so ntswg, thiab kev faib cell [1].
Kev cuam tshuam cov noob muaj feem cuam tshuam nrog kev kuaj mob ntawm hepatocellular carcinoma:
Tesamoreli kuj tseem tuaj yeem tswj hwm cov noob caj ces cuam tshuam txog qhov kev mob tshwm sim ntawm cov kab mob hepatocellular carcinoma, txhim kho cov kab mob ntsig txog cov kab mob zoo thiab txo qis-tswj cov noob teeb ntsig txog qhov tsis zoo, raws li [1] . Cov kev hloov pauv ntawm cov noob caj noob ces yuav cuam tshuam nrog cov txiaj ntsig ntawm Tesamoreli ntawm kev txo cov rog rog.
Kev sib raug zoo nrog fibrosis-hais txog cov noob qhab nia:
Hauv cov neeg koom nrog Tesamoreli, cov kev hloov pauv hauv daim siab qhia tau cuam tshuam nrog kev txhim kho cov qhab nia ntawm cov noob caj noob ces. Qhov no qhia tau hais tias Tesamoreli tuaj yeem txo lub siab rog los ntawm kev tswj lub siab gene qhia thiab txhim kho cov mob fibrotic ntawm daim siab [1].
Cov txiaj ntsig ntawm plasma proteins:
Inhibiting tseem ceeb mediators:
Tesamoreli tuaj yeem txo qis cov ntshav plasma protein ntau xws li vascular endothelial kev loj hlob yam A (VEGFA), hloov pauv kev loj hlob β1 (TGFB1), thiab macrophage colony-stimulating factor 1 (CSF1) [1] . Cov proteins no muaj feem xyuam rau angiogenesis, fibrosis, thiab o, thiab inhibition ntawm lawv los ntawm Tesamoreli tuaj yeem pab txo lub siab rog thiab mob.

Source: PubMed [1]
Dab tsi yog cov ntawv thov ntawm Tesamoreli?
Kev cuam tshuam rau cov tib neeg muaj kab mob HIV:
Txo cov roj visceral thiab daim siab rog:
Qee cov kev tshawb fawb tau pom tias hauv cov neeg muaj kab mob HIV tau txais kev kho mob integrase inhibitor (INSTIs), qhov nce hauv cov ntaub so ntswg adipose (VAT) yog ib qho kev txhawj xeeb vim tias VAT cuam tshuam nrog cov kab mob hauv qab xws li cov kab mob tsis muaj dej cawv fatty siab (NAFLD). Tesamoreli tau pom tias txo VAT hauv cov neeg mob HIV nrog lipohypertrophy ntau dua 15% hauv 6 lub hlis [6] . Hauv kev sim tshuaj placebo ntawm 61 tus neeg koom nrog HIV-txuas nrog NAFLD, kev soj ntsuam tom qab ntawm cov tib neeg tau txais kev kho mob INSTIs pom tias tom qab 12 lub hlis, VAT hauv pawg placebo tau nce 10.8%, thaum VAT hauv pab pawg kho mob Tesamoreli poob los ntawm 8.3% tag nrho. Tsis tas li ntawd, lub siab rog feem (HFF) nyob rau hauv pab pawg kho mob Tesamoreli poob los ntawm 31% txheeb ze rau lub hauv paus, uas yog qhov siab dua li hauv pawg placebo kho mob [6].
Txhim kho cov rog zoo:
Hauv cov neeg mob HIV, hauv cov neeg mob uas muaj kev rog hauv nruab nrab uas siv Tesamoreli, qhov ceev ntawm visceral rog (VAT) thiab cov rog subcutaneous (SAT) tau nce, thiab qhov kev nce no yog ywj pheej ntawm kev hloov pauv ntawm cov rog, qhia tias Tesamoreli tuaj yeem txhim kho qhov zoo ntawm VAT thiab SAT hauv pawg neeg mob no [7].
Qhov cuam tshuam rau kev tiv thaiv kab mob:
Kev siv Tesamoreli mus sij hawm ntev tuaj yeem txo cov cim ntawm T cell thiab kev ua haujlwm monocyte / macrophage hauv kev sib kis ntawm cov neeg muaj tus kab mob HIV thiab txo qis-tswj txoj hauv kev tiv thaiv kab mob hauv lub siab. Tshwj xeeb tshaj yog, piv nrog cov placebo, Tesamoreli txo qis kev sib xyaw ntawm 13 cov proteins, suav nrog plaub chemokines, ob lub cytokines, plaub T cell-txog molecules, nrog rau arginase-1, galectin-9, thiab hepatocyte loj hlob zoo. Kev soj ntsuam hauv network tau pom tias muaj kev sib raug zoo ntawm cov noob txoj hauv kev los txo cov proteins no, thiab cov hom phiaj transcriptomics tau lees paub qhov kev cai qis ntawm txoj kev tiv thaiv kab mob hauv lub siab [8].
Kev cuam tshuam hauv cov kab mob uas tsis yog-alcoholic fatty siab:
Txo daim siab rog thiab tiv thaiv kev mob fibrosis:
Hauv cov kab mob HIV uas tsis yog-cawv fatty siab kab mob, Tesamoreli tau pom tias yuav txo tau daim siab rog thiab tiv thaiv kev mob fibrosis. Cov kws tshawb fawb tau ua qhov kev ntsuam xyuas ntawm 9 plasma proteins sib haum rau cov thawj coj ntawm cov noob caj noob ces nyob rau hauv cov txheej txheem tswj cov noob sib txawv thiab pom tias Tesamoreli coj mus rau qhov txo qis hauv vascular endothelial kev loj hlob yam A (VEGFA), hloov pauv kev loj hlob β1 (TGFB1), thiab macrophage colony 1 (CSF1). Hauv cov neeg koom nrog kev kho mob Tesamoreli, qhov txo qis hauv VEGFA thiab CSF1 hauv plasma tau cuam tshuam nrog kev txo qis ntawm cov kab mob uas tsis yog-alcoholic fatty siab ua haujlwm tau qhab nia, thiab qhov txo qis hauv TGFB1 thiab CSF1 tau cuam tshuam nrog kev txo qis hauv gene-level fibrosis qhab nia. Raws li tus tswj hwm ntawm kev nrhiav neeg ua haujlwm monocyte thiab ua kom muaj zog, CSF1 tuaj yeem dhau los ua lub hom phiaj kho tshiab rau cov kab mob tsis muaj dej cawv fatty siab hauv HIV [1].
Influence ntawm daim siab transcriptome kos npe:
Siv cov gene set enrichment tsom xam, nws tau pom tias Tesamoreli tau nce lub siab qhia ntawm cov noob caj noob ces muaj feem xyuam rau oxidative phosphorylation thiab txo cov kab mob siab ntawm cov noob muaj feem cuam tshuam rau kev mob, kho cov ntaub so ntswg, thiab kev faib cell. Tsis tas li ntawd, Tesamoreli kuj tau tswj hwm thiab txo qis-tswj cov noob qoob loo uas tau xaiv muaj feem cuam tshuam txog qhov zoo thiab tsis zoo ntawm cov kab mob hepatocellular carcinoma, feem. Hauv cov neeg koom nrog Tesamoreli, cov kev hloov pauv hauv daim siab qhia tau cuam tshuam nrog kev txhim kho fibrosis ntsig txog cov qhab nia [9].
Hauv kev xaus, raws li cov khoom sib xyaw ua ke ntawm kev loj hlob hormone-tso cov tshuaj hormones, Tesamoreli tau pom tias muaj peev xwm kho tau hauv ntau yam. Ntau qhov kev tshawb fawb tau lees paub tias nws tuaj yeem tswj hwm qhov tso tawm ntawm cov tshuaj hormones loj hlob thiab txhim kho tib neeg metabolic muaj nuj nqi. Hauv kev kho mob ntawm cov kab mob HIV, nws muaj txiaj ntsig zoo rau kev txo cov rog hauv plab. Los ntawm stimulating lub secretion ntawm kev loj hlob hormone thiab optimizing fatty metabolism, nws txo tus nqi ntawm visceral rog yam tsis muaj kev cuam tshuam lub cev nqaij daim tawv, thiab plays lub luag hauj lwm zoo nyob rau hauv kev kho lub cev muaj pes tsawg leeg ntawm cov neeg mob. Hauv kev kho mob ntawm cov kab mob uas tsis yog-alcoholic fatty siab, qee cov kev tshawb fawb kuj tau pom tias nws tuaj yeem txo cov rog hauv daim siab. Tesamoreli yog qhov tseem ceeb heev. Rau cov neeg mob HIV, nws muab txoj hauv kev zoo los txhim kho cov roj metabolism tsis zoo uas tshwm sim los ntawm tus kab mob thiab kev kho mob, txhim kho lub neej zoo ntawm cov neeg mob, pab txo qis kev puas siab puas ntsws los ntawm kev hloov pauv ntawm qhov tsos, thiab txhim kho lawv txoj kev nkag siab ntawm kev sib raug zoo. Tsev qhia ntawv
Hais Txog Tus Sau
Cov ntaub ntawv hais saum toj no yog txhua yam tshawb fawb, kho thiab sau los ntawm Cocer Peptides.
Scientific Journal Author
Stanley TL yog tus kws tshawb fawb ntawm Harvard University, koom nrog kev tshawb fawb thiab qhia hauv cov tsev kawm xws li Harvard Medical School thiab Massachusetts General Tsev Kho Mob. Nws cov kev tshawb fawb suav nrog endocrinology thiab metabolism, kab mob sib kis, kev tiv thaiv kab mob, microbiology, thiab khoom noj khoom haus thiab kev noj haus. Nws tau ua qhov kev tshawb fawb tob hauv cov haujlwm no, muab cov ntsiab lus theoretical rau kev kuaj mob, kev kho mob, thiab kev tiv thaiv kab mob ntsig txog. Nyob rau tib lub sijhawm, nws koom tes nrog cov koom haum xws li Harvard Medical School thiab Massachusetts General Tsev Kho Mob rau Cov Menyuam Yaus, sib txuas cov kev xav nrog kev kho mob thiab ua rau muaj txiaj ntsig rau kev kho mob. Stanley TL tau teev nyob rau hauv qhov kev siv ntawm cov ntaub ntawv pov thawj [5].
▎ Cov Lus Qhia Tseem Ceeb
[1] Fourman LT, Billingsley JM, Agyapong G, et al. Cov teebmeem ntawm tesamorelin ntawm cov kab mob hepatic transcriptomic kos npe hauv HIV-koom nrog NAFLD[J]. Jci Insight, 2020,5(16).DOI:10.1172/jci.insight.140134.
[2] Jaimie T S. Tesamoreli Kev Kho Mob los Txhim Kho Axonal Regeneration, Txo cov leeg nqaij Atrophy thiab txhim kho cov txiaj ntsig ua haujlwm tom qab Peripheral paj hlwb raug mob thiab kho[J]. 2015.
[3] Rahman F, McLaughlin T, Mesquita P, et al. Cov txiaj ntsig ntawm tesamorelin hauv cov neeg muaj HIV nrog thiab tsis muaj roj dorsocervical: Kev soj ntsuam tom qab hoc ntawm theem III ob-dig muag placebo-tswj sim [J]. Phau ntawv Journal of Clinical and Translational Science, 2022,7(1).DOI:10.1017/cts.2022.515.
[4] Mateo MG, Gutierrez MDM, Domingo P. Tesamoreli rau kev kho mob plab rog ntau dhau hauv cov neeg mob HIV-1-cov neeg mob nrog lipodystrophy.[J]. Kws tshuaj ntsuam xyuas ntawm Endocrinology & Metabolism, 2011,6(1):21-30.DOI:10.1586/eem.10.83.
[5] Stanley TL, Falutz J, Marsolais C, et al. Kev txo qis hauv Visceral Adiposity yog txuam nrog kev txhim kho metabolic Profile hauv cov neeg mob HIV uas tau txais Tesamoreli[J]. Clinical Infectious Diseases, 2012,54(11):1642-1651.DOI:10.1093/cid/cis251.
[6] McLaughlin T, Grinspoon SK, Stanley T, et al. 1499. Tesamoreli txo qhov Visceral Adipose ntaub so ntswg thiab lub siab rog hauv INSTI-kho cov neeg uas muaj HIV[J]. Qhib Rooj Sib Tham Kab Mob Sib Kis, 2023,10(2): 500-1334.DOI: 10.1093/ofid/ofad500.1334.
[7] Lake JE, La K, Erlandson KM, et al. Tesamoreli txhim kho cov rog zoo tsis muaj kev hloov pauv ntawm cov rog ntau [J]. Aids, 2021,35(9):1395-1402.DOI:10.1097/QAD.0000000000002897.
[8] Stanley TL, Fourman LT, Wong LP, et al. Loj hlob Hormone tso tawm cov tshuaj hormones txo cov cim cim ntawm kev tiv thaiv kab mob ua ke nrog kev cuam tshuam ntawm kev tiv thaiv kab mob siab hauv cov tib neeg uas muaj kab mob HIV thiab Nonalcoholic Fatty Liver Disease [J]. Clinical Infectious Diseases, 2021,73(4):621-630.DOI:10.1093/cid/ciab019.
[9] Fourman LT, Stanley TL, Billingsley JM, et al. Delineating tesamorelin teb txoj hauv kev hauv HIV-koom nrog NAFLD siv lub hom phiaj proteomic thiab transcriptomic mus kom ze [J]. Scientific Reports, 2021,11(1).DOI:10.1038/s41598-021-89966-y.
Tag nrho cov kab lus thiab cov ntaub ntawv ntawm cov khoom lag luam muab rau ntawm lub vev xaib no tsuas yog rau cov ntaub ntawv tshaj tawm kev tshaj tawm thiab cov hom phiaj kev kawm.
Cov khoom muab rau hauv lub vev xaib no yog npaj tshwj xeeb rau kev tshawb fawb hauv vitro. Kev tshawb fawb hauv vitro (Latin: * hauv iav *, lub ntsiab lus hauv iav) yog ua los ntawm tib neeg lub cev. Cov khoom no tsis yog tshuaj, tsis tau txais kev pom zoo los ntawm US Food and Drug Administration (FDA), thiab yuav tsum tsis txhob siv los tiv thaiv, kho, lossis kho txhua yam mob, kab mob, lossis mob. Nws raug txwv nruj raws li txoj cai los qhia cov khoom no rau hauv tib neeg lossis tsiaj lub cev hauv txhua daim ntawv.