1 khoom (10Vials)
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▎ Tesamoreli yog dab tsi?
Tesamoreli yog ib qho tshuaj tiv thaiv kev loj hlob hormone-tso hormone (GHRH) analog. Los ntawm kev ua raws li qhov tshwm sim ntawm GHRH hauv tib neeg lub cev, nws txhawb nqa lub caj pas pituitary anterior pituitary kom tso cov tshuaj loj hlob (GH), yog li nce qib ntawm cov tshuaj insulin zoo li kev loj hlob ntawm I (IGF-I). Nyob rau hauv txoj kev no, Tesamoreli tuaj yeem tswj hwm lub cev txoj kev loj hlob hormone axis, cuam tshuam rau kev tso tawm thiab tso tawm ntawm kev loj hlob hormone, thiab yog li muaj kev cuam tshuam rau lub cev metabolism, kev loj hlob thiab kev loj hlob, nrog rau ntau yam kev ua haujlwm ntawm lub cev. Tesamoreli feem ntau yog siv los kho cov kab mob lipid metabolism uas tshwm sim los ntawm kev kho tshuaj tiv thaiv kab mob (ART) hauv cov neeg muaj tus kab mob HIV, tshwj xeeb tshaj yog cov rog hauv plab ntau dhau. Tsis tas li ntawd, nws tseem qhia tau qee qhov peev xwm hauv kev txhim kho cov roj tis, txo cov roj visceral, thiab txhim kho kev noj qab haus huv metabolic.
Thaum kho GH tsis txaus nrog rhGH, kev kho mob ua haujlwm tau zoo nrog cov kev mob tshwm sim tsis zoo. Cov kev phiv tsis zoo no tau ua rau cov kws tshawb fawb tshawb nrhiav cov tswv yim kho tshiab, yog li txhawb kev txhim kho GFR analogs. GFR analogs yuav tsum muaj qee yam kev kho mob thaum txo cov kev mob tshwm sim thiab txhim kho cov neeg mob lub siab ntev.
Raws li ib tug hluavtaws GFR, txoj kev loj hlob ntawm Tesamoreli yog tsuas yog tsom rau cov kab mob uas tej zaum yuav muaj feem xyuam rau ib tug txheeb ze deficiency ntawm GH. Ntawm lawv, HIV-hais txog lipodystrophy yog ib qho ntawm nws qhov tseem ceeb muaj peev xwm qhia tau. Cov neeg mob HIV feem ntau ntsib cov tsos mob ntawm lipodystrophy, uas tsis tsuas yog cuam tshuam rau cov tsos mob ntawm tus neeg mob, tab sis kuj yuav ua rau muaj teeb meem kev noj qab haus huv. Yog li ntawd, kev txhim kho txoj kev kho kom zoo yog qhov tseem ceeb rau kev txhim kho lub neej zoo ntawm cov neeg mob HIV.
▎ Tesamoreli Structure
Source: PubChem |
Sequence: YADAI F TNSY RKVL GQLS A RK L LQDI M SRQ QGE S NQ E RGA R ARL 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?
Thaum recombinant human growth hormone (rhGH) yog siv rau hauv kev kho mob ntawm kev loj hlob hormone (GH) deficiency, txawm hais tias nws muaj kev kho mob zoo, nws kuj yog nrog los ntawm ntau yam kev 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 GFR hluavtaws uas tau tsim los ua kev kho mob rau ntau yam kab mob uas muaj feem cuam tshuam nrog tus txheeb ze tsis txaus ntawm GH, suav nrog HIV-txog lipodystrophy.
Tesamoreli mechanism ntawm kev txiav txim yog dab tsi?
Mechanism of action on HIV-associated non-alcoholic fatty liver disease (NAFLD)
Regulating 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, Tesamoreli tau txo qis cov kab mob siab rau 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.
Inhibiting tseem ceeb mediators:
Tesamoreli tuaj yeem cuam tshuam qhov tseem ceeb angiogenesis, fibrosis, thiab cov neeg kho mob uas muaj kev sib haum xeeb. 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 koom tau txais kev kho mob Tesamoreli, qhov txo qis hauv ntshav VEGFA thiab CSF1 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-theem fibrosis qhab nia [2] . 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. Kev tshawb fawb tam sim no qhia tau hais 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, txhawb kev loj hlob ntawm axonal, thiab myelination, thiab lwm yam. [3].
Dab tsi yog cov txheej txheem tshwj xeeb uas Tesamoreli txo cov roj visceral thiab lub siab rog hauv cov neeg mob HIV?
Regulatory nyhuv ntawm kev loj hlob hormone
Stimulating kev loj hlob hormone secretion:
Tesamoreli yog ib qho hluavtaws hluavtaws-tso cov tshuaj hormones (GHRH), uas tuaj yeem txhawb kev tso tawm ntawm kev loj hlob hormone. Hauv cov tib neeg uas muaj kab mob HIV, qhov tso tawm ntawm cov tshuaj hormones loj hlob tuaj yeem cuam tshuam, thiab Tesamoreli tuaj yeem txhawb kev tso tawm cov tshuaj hormones loj hlob los ntawm cov qog pituitary anterior los ntawm kev ua raws li kev ua ntawm GHRH [4-6].
Regulating rog metabolism:
Kev loj hlob hormone plays lub luag haujlwm tseem ceeb hauv cov roj metabolism. Nws tuaj yeem txhawb kev rog rog, ua kom cov 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 [4-6].
Kev cuam tshuam rau daim siab gene qhia
Hloov 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 tseem tuaj yeem tswj hwm cov noob caj ces cuam tshuam txog kev mob qog nqaij hlav hepatocellular carcinoma, txhim kho cov noob caj ces cuam tshuam txog qhov kev cia siab zoo thiab txo qis cov noob caj ces cuam tshuam rau 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 cov qhab nia ntsig txog cov noob caj noob ces:
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 txhim kho cov mob fibrotic ntawm daim siab los ntawm kev tswj lub siab cov noob qhia, yog li txo cov rog rog [1].
Kev cuam tshuam rau 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 qhov loj hlob ntawm beta 1 (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.
Kev sib raug zoo nrog cov qhab nia kab mob:
Hauv cov neeg koom nrog kev kho mob Tesamoreli, qhov txo qis hauv plasma VEGFA thiab CSF1 tau cuam tshuam nrog kev txo qis hauv cov kab mob uas tsis yog-alcoholic fatty siab (NAFLD) cov qhab nia, thiab qhov txo qis hauv TGFB1 thiab CSF1 tau cuam tshuam nrog kev txo qis hauv cov noob qib fibrosis qhab nia [1] . Qhov no qhia tau hais tias kev tswj hwm ntawm cov ntshav plasma proteins los ntawm Tesamoreli tuaj yeem cuam tshuam nrog kev txhim kho cov kab mob siab.

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 tib 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 qis qis xws li cov kab mob tsis muaj dej cawv fatty siab (NAFLD). Tesamoreli, ib qho kev loj hlob hormone-tso tawm cov tshuaj analog, tau pom tias txo VAT hauv cov neeg mob HIV nrog lipohypertrophy ntau dua 15% hauv 6 lub hlis [7] . 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% piv rau cov hauv paus ntsiab lus, uas yog qhov siab dua li hauv pawg placebo kho mob [7].
Txhim kho cov rog zoo:
Hauv cov neeg muaj tus kab 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 [8].
Kev cuam tshuam rau kev tiv thaiv kab mob:
Kev siv Tesamoreli mus ntev tuaj yeem txo cov cim ntawm T cell thiab kev ua haujlwm monocyte / macrophage hauv cov neeg mob HIV thiab txo qis 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 cuam tshuam zoo ntawm cov noob txoj hauv kev los txo cov proteins no, thiab cov phiaj xwm transcriptomics tau lees paub qhov teeb meem ntawm kev tiv thaiv kab mob hauv lub siab [9].
Lub luag haujlwm hauv cov kab mob uas tsis yog-alcoholic fatty siab
Txo daim siab rog thiab tiv thaiv kev loj hlob ntawm fibrosis:
Hauv cov kab mob HIV uas tsis yog-cawv fatty siab kab mob, Tesamoreli tau raug pov thawj los txo lub siab rog thiab tiv thaiv kev loj hlob ntawm fibrosis. Cov kws tshawb fawb tau ua qhov kev ntsuam xyuas ntawm 9 plasma proteins sib haum rau cov txheej txheem saum toj kawg nkaus hauv cov noob caj noob ces thiab pom tias Tesamoreli coj mus rau qhov txo qis hauv vascular endothelial txoj kev loj hlob A (VEGFA), hloov pauv kev loj hlob β1 (TGFB1), thiab macrophage 1 colony. Hauv cov neeg koom nrog kev kho mob Tesamoreli, qhov txo qis hauv cov ntshav VEGFA thiab CSF1 tau cuam tshuam nrog kev txo qis hauv 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 cov qhab nia qib fibrosis. Raws li tus tswj hwm ntawm monocyte nrhiav neeg ua haujlwm 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 [2].
Kev cuam tshuam rau daim siab transcriptome profile:
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 cov kab mob uas tau xaiv los 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-txog cov noob qhab nees [2].
Raws li ib tug hluavtaws loj hlob hormone-tso cov tshuaj hormones analog, Tesamoreli tau pom tias muaj peev xwm kho tau ntau yam. Hauv kev xaus, ntau cov kev tshawb fawb tau lees paub tias nws tuaj yeem tswj hwm qhov tso tawm ntawm cov tshuaj hormones loj hlob thiab txhim kho lub cev 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 cov roj visceral yam tsis muaj kev cuam tshuam rau lub cev nqaij daim tawv, ua si lub luag hauj lwm zoo 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 kab mob, qee cov kev tshawb fawb kuj tau pom tias nws tuaj yeem txo cov roj hauv siab. Qhov tseem ceeb ntawm Tesamoreli yog qhov tob. 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 cov tsos, thiab txhim kho lawv txoj kev xav ntawm kev sib raug zoo.
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 [4].
▎ 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] 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.
[3] 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 Nerve raug mob thiab kho[J]. 2015.
[4] Rahman F, McLaughlin T, Mesquita P, et al. Cov nyhuv ntawm tesamorelin hauv cov neeg muaj HIV nrog thiab tsis muaj roj dorsocervical: Kev tshuaj xyuas 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.
[5] 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.
[6] 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.
[7] 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.
[8] 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.
[9] Stanley TL, Fourman LT, Wong LP, et al. Kev loj hlob Hormone tso cov tshuaj hormones txo cov cim cim ntawm kev tiv thaiv kab mob ua ke nrog cov teebmeem 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.
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.