Everything below concerns visceral adipose tissue. We keep the language plain, cite what the science says, and separate well-supported claims from open questions.
Updated 2026-03-12. Numbers and descriptions here follow the published literature rather than marketing material.
在临床研究之外,特沙莫瑞林常被讨论为生长激素分泌促进剂,但这一说法需要限定。它并不等同于生长激素本身,也不属于普通减重药物。部分研究关注其减少腹部脂肪和改善脂质谱的潜力,另一些研究则关注胰岛素抵抗和 IGF-1 升高等信号。这些效应的临床意义仍在评估中,尚未形成统一结论。
特沙莫瑞林是一种合成肽,其序列与人生长激素释放激素的 44 个氨基酸形式相关。它在 N 端带有反式-3-己烯酰基修饰,这一改动可减缓二肽基肽酶 IV 的降解。该化合物属于生长激素释放激素受体激动剂,可刺激垂体释放生长激素。研究文献通常将其归入合成肽类药物,而非小分子化合物。
监管记录显示,特沙莫瑞林于 2010 年在美国首次获得批准,用于人类免疫缺陷病毒感染相关的脂肪营养不良患者。批准依据来自降低内脏脂肪的临床试验,而非体重或瘦体重的普遍改善。后续出现了不同制剂版本,但其核心适应症保持一致。关于长期心血管结局和死亡率影响,现有证据仍不充分。
Metabolic interest in this compound centers on fat distribution rather than on hormone levels alone. Imaging trials in adults with excess abdominal fat report reductions in visceral adipose tissue, while subcutaneous depots change comparatively little. Growth hormone and IGF-1 are presumed to carry the effect, but the separate contribution of each is not firmly established. Whether these changes persist after treatment stops, and whether they alter longer-term health outcomes, remain open questions that published work does not answer consistently.
Tesamorelin is a synthetic peptide of forty-four amino acids whose sequence reproduces human growth hormone-releasing hormone. Its distinguishing feature sits at the amino terminus, where a trans-3-hexenoyl group replaces the free amine. That acylation slows cleavage by dipeptidyl peptidase IV, an enzyme that otherwise removes the first two residues and inactivates the natural hormone quickly. The modified peptide therefore persists longer in circulation while keeping the same receptor target. It is handled as a lyophilized solid and dissolved shortly before use.
Signaling begins at the GHRH receptor, a class B G protein-coupled receptor displayed on somatotroph cells of the anterior pituitary. Receptor occupancy activates Gs proteins, which raise adenylyl cyclase activity and intracellular cyclic AMP, in turn driving protein kinase A dependent pathways. The downstream output is synthesis and pulsatile secretion of growth hormone into the bloodstream. Hepatic tissue and peripheral sites respond by increasing insulin-like growth factor 1 production. Somatostatin and IGF-1 itself supply negative feedback that caps the size and duration of each secretory burst.
| Property | Value | Notes |
|---|---|---|
| 分子类型 | 合成肽 | 含 44 个氨基酸残基的 GHRH 类似物 |
| N 端修饰 | 反式-3-己烯酰基 | 用于抵抗二肽基肽酶 IV 降解 |
| 首次批准 | 2010 年,美国 | 用于 HIV 相关脂肪营养不良 |
| 作用靶点 | 生长激素释放激素受体 | 位于垂体前叶 |
| 主要研究终点 | 内脏脂肪变化 | 非总体重或瘦体重 |
=== Other potential applications === As a highly scattering material for ultra-white coatings Activate the dissolution of cellulose in different solvents Regenerated cellulose products, such as fibers films, cellulose derivatives Tobacco filter additive Organometallic modified nanocellulose in battery separators Reinforcement of conductive materials Loud-speaker membranes High-flux membranes Computer components Capacitors Lightweight body armour and ballistic glass Corrosion inhibitors Radio lenses Art Conservation
=== EC 2.7.1: Phosphotransferases with an alcohol group as acceptor === EC 2.7.1.1: hexokinase EC 2.7.1.2: glucokinase EC 2.7.1.3: ketohexokinase EC 2.7.1.4: fructokinase EC 2.7.1.5: rhamnulokinase EC 2.7.1.6: galactokinase EC 2.7.1.7: mannokinase EC 2.7.1.8: glucosamine kinase EC 2.7.1.9: deleted EC 2.7.1.10: phosphoglucokinase EC 2.7.1.11: 6-phosphofructokinase EC 2.7.1.12: gluconokinase EC 2.7.1.13: dehydrogluconokinase EC 2.7.1.14: sedoheptulokinase EC 2.7.1.15: ribokinase EC 2.7.1.16: ribulokinase EC 2.7.1.17: xylulokinase EC 2.7.1.18: phosphoribokinase EC 2.7.1.19: phosphoribulokinase EC 2.7.1.20: adenosine kinase EC 2.7.1.21: thymidine kinase EC 2.7.1.22: ribosylnicotinamide kinase EC 2.7.1.23: NAD+ kinase EC 2.7.1.24: dephospho-CoA kinase EC 2.7.1.25: adenylyl-sulfate kinase EC 2.7.1.26: riboflavin kinase EC 2.7.1.27: erythritol kinase (D-erythritol 4-phosphate-forming) EC 2.7.1.28: triokinase EC 2.7.1.29: glycerone kinase EC 2.7.1.30: glycerol kinase EC 2.7.1.31: glycerate kinase EC 2.7.1.32: choline kinase EC 2.7.1.33: pantothenate kinase EC 2.7.1.34: pantetheine kinase EC 2.7.1.35: pyridoxal kinase EC 2.7.1.36: mevalonate kinase EC 2.7.1.37: now divided into EC 2.7.11.1, EC 2.7.11.8, EC 2.7.11.9, EC 2.7.11.10, EC 2.7.11.11, EC 2.7.11.12, EC 2.7.11.13, EC 2.7.11.21, EC 2.7.11.22, EC 2.7.11.24, EC 2.7.11.25, EC 2.7.11.30 and EC 2.7.12.1 EC 2.7.1.38: now EC 2.7.11.19, phosphorylase kinase EC 2.7.1.39: homoserine kinase EC 2.7.1.40: pyruvate kinase EC 2.7.1.41: glucose-1-phosphate phosphodismutase EC 2.7.1.42: riboflavin phosphotransferase EC 2.7.1.43: glucuronokinase EC 2.7.1.44: galacturonokinase EC 2.7.1.45: 2-dehydro-3-deoxygluconokinase EC 2.7.1.46: L-arabinokinase EC 2.7.1.47: D-ribulokinase EC 2.7.1.48: uridine kinase EC 2.7.1.49: hydroxymethylpyrimidine kinase EC 2.7.1.50: hydroxyethylthiazole kinase EC 2.7.1.51: L-fuculokinase EC 2.7.1.52: fucokinase EC 2.7.1.53: L-xylulokinase EC 2.7.1.54: D-arabinokinase EC 2.7.1.55: allose kinase EC 2.7.1.56: 1-phosphofructokinase EC 2.7.1.57: deleted EC 2.7.1.58: 2-dehydro-3-deoxygalactonokinase EC 2.7.1.59: N-acetylglucosamine kinase EC 2.7.1.60: N-acylmannosamine kinase EC 2.7.1.61: acyl-phosphate—hexose phosphotransferase EC 2.7.1.62: Phosphoramidate-hexose phosphotransferase EC 2.7.1.63: polyphosphate—glucose phosphotransferase EC 2.7.1.64: inositol 3-kinase EC 2.7.1.65: scyllo-inosamine 4-kinase EC 2.7.1.66: undecaprenol kinase EC 2.7.1.67: 1-phosphatidylinositol 4-kinase EC 2.7.1.68: 1-phosphatidylinositol-4-phosphate 5-kinase EC 2.7.1.69: now covered by EC 2.7.1.191, EC 2.7.1.192, EC 2.7.1.193, EC 2.7.1.194, EC 2.7.1.195, EC 2.7.1.196, EC 2.7.1.197, EC 2.7.1.198, EC 2.7.1.199, EC 2.7.1.200 EC 2.7.1.20, EC 2.7.1.202, EC 2.7.1.203, EC 2.7.1.204, EC 2.7.1.205, EC 2.7.1.206, EC 2.7.1.207 and EC 2.7.1.208 EC 2.7.1.70: Now included in EC 2.7.11.1, non-specific serine/threonine protein kinase EC 2.7.1.71: shikimate kinase EC 2.7.1.72: streptomycin 6-kinase EC 2.7.1.73: inosine kinase EC 2.7.1.74: deoxycytidine kinase EC 2.7.1.75: Now EC 2.7.1.21 thymidine kinase EC 2.7.1.76: deoxyadenosine kinase EC 2.7.1.77: nucleoside phosphotransferase EC 2.7.1.78: polynucleotide 5′-hydroxyl-kinase EC 2.7.1.79: diphosphate—glycerol phosphotransferase EC 2.7.1.80: diphosphate—serine phosphotransferase EC 2.7.1.81: hydroxylysine kinase EC 2.7.1.82: ethanolamine kinase EC 2.7.1.83: pseudouridine kinase EC 2.7.1.84: alkylglycerone kinase EC 2.7.1.85: β-glucoside kinase EC 2.7.1.86: NADH kinase EC 2.7.1.87: streptomycin 3′′-kinase EC 2.7.1.88: dihydrostreptomycin-6-phosphate 3′α-kinase EC 2.7.1.89: thiamine kinase EC 2.7.1.90: diphosphate—fructose-6-phosphate 1-phosphotransferase EC 2.7.1.91: sphinganine kinase EC 2.7.1.92: 5-dehydro-2-deoxygluconokinase EC 2.7.1.93: alkylglycerol kinase EC 2.7.1.94: acylglycerol kinase EC 2.7.1.95: kanamycin kinase EC 2.7.1.96: deleted, Now included with EC 2.7.1.86 NADH kinase EC 2.7.1.97: deleted, Identical with EC 2.7.11.14, rhodopsin kinase EC 2.7.1.98: deleted EC 2.7.1.99: Now EC 2.7.11.2, [pyruvate dehydrogenase (acetyl-transferring)] kinase EC 2.7.1.100: S-methyl-5-thioribose kinase EC 2.7.1.101: tagatose kinase EC 2.7.1.102: hamamelose kinase EC 2.7.1.103: viomycin kinase EC 2.7.1.104: Now EC 2.7.99.1, triphosphate—protein phosphotransferase EC 2.7.1.105: 6-phosphofructo-2-kinase EC 2.7.1.106: glucose-1,6-bisphosphate synthase EC 2.7.1.107: diacylglycerol kinase EC 2.7.1.108: dolichol kinase EC 2.7.1.109: Now EC 2.7.11.31, [hydroxymethylglutaryl-CoA reductase (NADPH)] kinase EC 2.7.1.110: Now EC 2.7.11.3, dephospho-(reductase kinase) kinase EC 2.7.1.111: Now listed as EC 2.7.11.27, [acetyl-CoA carboxylase] kinase EC 2.7.1.112: Now EC 2.7.10.2, non-specific protein-tyrosine kinase EC 2.7.1.113: deoxyguanosine kinase EC 2.7.1.114: AMP—thymidine kinase EC 2.7.1.115: Now EC 2.7.11.4, (3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)) kinase EC 2.7.1.116: Now EC 2.7.11.5, [isocitrate dehydrogenase (NADP+)] kinase EC 2.7.1.117: Now EC 2.7.11.18, myosin-light-chain kinase EC 2.7.1.118: ADP—thymidine kinase EC 2.7.1.119: hygromycin-B 7′′-O-kinase EC 2.7.1.120: Now EC 2.7.11.17, Ca2+/calmodulin-dependent protein kinase EC 2.7.1.121: phosphoenolpyruvate—glycerone phosphotransferase EC 2.7.1.122: xylitol kinase EC 2.7.1.123: Now EC 2.7.11.17, Ca2+/calmodulin-dependent protein kinase EC 2.7.1.124: Now EC 2.7.11.6, [tyrosine 3-monooxygenase] kinase EC 2.7.1.125: Now EC 2.7.11.14, rhodopsin kinase EC 2.7.1.126: Now EC 2.7.11.15, β-adrenergic-receptor kinase EC 2.7.1.127: inositol-trisphosphate 3-kinase EC 2.7.1.128: Now EC 2.7.11.27, [acetyl-CoA carboxylase] kinase EC 2.7.1.129: Now EC 2.7.11.7, myosin-heavy-chain kinase EC 2.7.1.130: tetraacyldisaccharide 4′-kinase EC 2.7.1.131: Now EC 2.7.11.29, low-density-lipoprotein receptor kinase EC 2.7.1.132: Now EC 2.7.11.28, tropomyosin kinase EC 2.7.1.133: Now included with EC 2.7.1.134, inositol-tetrakisphosphate 1-kinase EC 2.7.1.134: inositol-tetrakisphosphate 1-kinase EC 2.7.1.135: Now EC 2.7.11.26, tau-protein kinase EC 2.7.1.136: macrolide 2′-kinase EC 2.7.1.137: phosphatidylinositol 3-kinase EC 2.7.1.138: ceramide kinase EC 2.7.1.139: Now included with EC 2.7.1.134, inositol-tetrakisphosphate 1-kinase EC 2.7.1.140: inositol-tetrakisphosphate 5-kinase EC 2.7.1.141: Now EC 2.7.11.23, [RNA-polymerase]-subunit kinase EC 2.7.1.142: glycerol-3-phosphate—glucose phosphotransferase EC 2.7.1.143: diphosphate-purine nucleoside kinase EC 2.7.1.144: tagatose-6-phosphate kinase EC 2.7.1.145: deoxynucleoside kinase EC 2.7.1.146: ADP-dependent phosphofructokinase EC 2.7.1.147: ADP-dependent glucokinase EC 2.7.1.148: 4-(cytidine 5′-diphospho)-2-C-methyl-D-erythritol kinase EC 2.7.1.149: 1-phosphatidylinositol-5-phosphate 4-kinase EC 2.7.1.150: 1-phosphatidylinositol-3-phosphate 5-kinase EC 2.7.1.151: inositol-polyphosphate multikinase EC 2.7.1.152: Now EC 2.7.4.21, inositol-hexakisphosphate kinase EC 2.7.1.153: phosphatidylinositol-4,5-bisphosphate 3-kinase EC 2.7.1.154: phosphatidylinositol-4-phosphate 3-kinase EC 2.7.1.155: Now EC 2.7.4.24, diphosphoinositol-pentakisphosphate kinase EC 2.7.1.156: adenosylcobinamide kinase EC 2.7.1.157: N-acetylgalactosamine kinase EC 2.7.1.158: inositol-pentakisphosphate 2-kinase EC 2.7.1.159: inositol-1,3,4-trisphosphate 5/6-kinase EC 2.7.1.160: 2′-phosphotransferase EC 2.7.1.161: CTP-dependent riboflavin kinase EC 2.7.1.162: N-acetylhexosamine 1-kinase EC 2.7.1.163: hygromycin B 4-O-kinase EC 2.7.1.164: O-phosphoseryl-tRNASec kinase EC 2.7.1.165: glycerate 2-kinase EC 2.7.1.166: 3-deoxy-D-manno-octulosonic acid kinase EC 2.7.1.167: D-glycero-β-D-manno-heptose-7-phosphate kinase EC 2.7.1.168: D-glycero-α-D-manno-heptose-7-phosphate kinase EC 2.7.1.169: pantoate kinase EC 2.7.1.170: anhydro-N-acetylmuramic acid kinase EC 2.7.1.171: protein-fructosamine 3-kinase EC 2.7.1.172: protein-ribulosamine 3-kinase EC 2.7.1.173: nicotinate riboside kinase EC 2.7.1.174: diacylglycerol kinase (CTP dependent) EC 2.7.1.175: maltokinase EC 2.7.1.176: UDP-N-acetylglucosamine kinase EC 2.7.1.177: L-threonine kinase EC 2.7.1.178: 2-dehydro-3-deoxyglucono/galactono-kinase EC 2.7.1.179: kanosamine kinase EC 2.7.1.180: FAD:protein FMN transferase EC 2.7.1.181: polymannosyl GlcNAc-diphospho-ditrans,octacis-undecaprenol kinase EC 2.7.1.182: phytol kinase EC 2.7.1.183: glycoprotein-mannosyl O6-kinase EC 2.7.1.184: sulfofructose kinase EC 2.7.1.185: mevalonate 3-kinase EC 2.7.1.186: mevalonate-3-phosphate 5-kinase EC 2.7.1.187: acarbose 7IV-phosphotransferase EC 2.7.1.188: 2-epi-5-epi-valiolone 7-kinase EC 2.7.1.189: autoinducer-2 kinase EC 2.7.1.190: aminoglycoside 2′′-phosphotransferase EC 2.7.1.191: protein-N π-phosphohistidine—D-mannose phosphotransferase EC 2.7.1.192: protein-N π-phosphohistidine—N-acetylmuramate phosphotransferase EC 2.7.1.193: protein-N π-phosphohistidine—N-acetyl-D-glucosamine phosphotransferase EC 2.7.1.194: protein-N π-phosphohistidine—L-ascorbate phosphotransferase EC 2.7.1.195: protein-N π-phosphohistidine—2-O-α-mannosyl-D-glycerate phosphotransferase EC 2.7.1.196: protein-N π-phosphohistidine—N,N′-diacetylchitobiose phosphotransferase EC 2.7.1.197: protein-Nπ'-phosphohistidine—D-mannitol phosphotransferase EC 2.7.1.198: protein-N π-phosphohistidine—D-sorbitol phosphotransferase EC 2.7.1.199: protein-N π-phosphohistidine—D-glucose phosphotransferase EC 2.7.1.200: protein-N π-phosphohistidine—galactitol phosphotransferase EC 2.7.1.201: protein-N π-phosphohistidine—trehalose phosphotransferase EC 2.7.1.202: protein-N π-phosphohistidine—D-fructose phosphotransferase EC 2.7.1.203: protein-N π-phosphohistidine—D-glucosaminate phosphotransferase EC 2.7.1.204: protein-N π-phosphohistidine—D-galactose phosphotransferase EC 2.7.1.205: protein-N π-phosphohistidine—cellobiose phosphotransferase EC 2.7.1.206: protein-N π-phosphohistidine—L-sorbose phosphotransferase EC 2.7.1.207: protein-N π-phosphohistidine—lactose phosphotransferase EC 2.7.1.208: protein-N π-phosphohistidine—maltose phosphotransferase EC 2.7.1.209: L-erythrulose 1-kinase EC 2.7.1.210: D-erythrulose 4-kinase EC 2.7.1.211: protein-N π-phosphohistidine—sucrose phosphotransferase EC 2.7.1.212: α-D-ribose-1-phosphate 5-kinase (ADP) EC 2.7.1.213: cytidine kinase EC 2.7.1.214: C7-cyclitol 7-kinase EC 2.7.1.215: erythritol kinase (D-erythritol 1-phosphate-forming) EC 2.7.1.216: farnesol kinase EC 2.7.1.217: 3-dehydrotetronate 4-kinase EC 2.7.1.218: fructoselysine 6-kinase EC 2.7.1.219: D-threonate 4-kinase EC 2.7.1.220: D-erythronate 4-kinase EC 2.7.1.221: N-acetylmuramate 1-kinase EC 2.7.1.222: 4-hydroxytryptamine kinase EC 2.7.1.223: aminoimidazole riboside kinase EC 2.7.1.224: cytidine diphosphoramidate kinase EC 2.7.1.225: L-serine kinase (ATP) EC 2.7.1.226: L-serine kinase (ADP) EC 2.7.1.227: inositol phosphorylceramide synthase EC 2.7.1.228: mannosyl-inositol-phosphoceramide inositolphosphotransferase EC 2.7.1.229: deoxyribokinase EC 2.7.1.230: amicoumacin kinase EC 2.7.1.231: 3-oxoisoapionate kinase EC 2.7.1.232: levoglucosan kinase EC 2.7.1.233: apulose kinase
== External links == BBC website about the West murder case at the Wayback Machine (archived 15 June 2006) BBC report of West's conviction CourtTV Crime Library- Fred and Rosemary West Transcript of police interview
=== Purification === There are several methods for purifying and isolating honokiol. In nature, honokiol exists with its structural isomer magnolol, which differs from honokiol only by the position of one hydroxyl group. Because of the very similar properties of magnolol and honokiol, purification has often been limited to a HPLC or electromigration. However, methods developed in 2006 by workers in the lab of Jack L. Arbiser, took advantage of the proximity of the phenolic hydroxyl groups in magnolol, which form a protectable diol, to generate a magnolol acetonide (Figure 1), with a subsequent simple purification via flash chromatography over silica. Figure 1
Valve was founded in 1996 by the former Microsoft employees Gabe Newell and Mike Harrington. Newell had spent the prior 13 years at Microsoft developing Windows, including the Windows 95 port of Doom from id Software. Newell had become frustrated with game developers' approach of creating bespoke interfaces for graphics acceleration, and had also seen id Software outperforming Windows in sales of Doom with an alternative distribution model. Newell and Harrington founded Valve, L.L.C. in Kirkland, Washington, about five miles from the Microsoft campus in Redmond, on August 24, 1996, Newell's wedding day. In a break from industry style of the time, Newell did not want a company name that suggested "testosterone-gorged muscles and the 'extreme' of anything". Alternative names considered by Newell and Harrington include Hollow Box, Fruitfly Ensemble and Rhino Scar. Valve's first game was Half-Life, a first-person shooter (FPS) with elements of horror. The development was aided by access to the Quake engine by id Software; Valve modified this engine into its GoldSrc engine. After struggling to find a publisher, Valve eventually signed with Sierra On-Line. Half-Life was released in November 1998 and was a critical and commercial success. With its realism, scripted sequences and seamless narrative, it had a lasting influence; according to IGN in 2014, the history of the FPS genre "breaks down pretty cleanly into pre-Half-Life and post-Half-Life eras".
Sources: en.wikipedia.org
=== Automated culturing systems === Automatic cell culturing systems are becoming popular because of their ability to maintain a sterile growth environment and remove strain on the laboratory staff involving repetitive experimentation. Laboratories can also set incubation times to adjust for the lag period involved in bacterial growth.
=== Change in anti-terrorist policy and "peripheral" nationalisms === The PP government developed an anti-terrorist policy based on an idea that no democratic government had defended until then: that only police measures could put an end to ETA. Thus, the only possible "dialogue" with ETA was the handing over of weapons. The government reaped a resounding first success with the release in early July 1997 of José Ortega Lara, a prison officer and PP militant who had been held hostage by ETA for 532 days. But a few days later, on July 10, an event took place that would open a new stage in the history of the "Basque conflict". That day ETA kidnapped Miguel Ángel Blanco, a young PP councilman from the Biscayan town of Ermua, which provoked the largest social mobilization against terrorism in living memory. But after the deadline given for the prisoners of the organization to be transferred to prisons in the Basque Country, ETA assassinated Miguel Ángel Blanco, which increased even more the rejection of ETA and its "political arm", Herri Batasuna. The press began to use the term "spirit of Ermua" to explain that immense anti-terrorist social mobilization. In March 1998, the lehendakari José Antonio Ardanza announced a "Pacification Plan" in which, based on the Ajuria Enea Pact of 1988, he proposed that after achieving the cessation of ETA's violence, a dialogue should be opened between all the Basque political forces, the result of which should be accepted by the central government and the rest of the institutions of the State.
== In laboratory work == When used in the laboratory, lab coats protect against accidental spills, e.g., acids. In this case, they usually have long sleeves and are made of absorbent material, such as cotton, so that the user can be protected from the chemical. Some lab coats have buttons or elastic at the end of the sleeves, to secure them around the wrist so that they do not hang into containers of chemicals or tip over lab equipment. Higher quality coats use snap-on buttons instead of traditional buttons as these are easier to quickly undo (they allow pulling the coat off directly instead of fumbling with the buttons to unhook each one). This renders taking off the coat in an emergency much faster, so these are the preferred type for laboratory work as opposed to clinical work. Short-sleeved lab coats also exist where protection from substances such as acid is not necessary, and are favored by certain scientists, such as microbiologists, avoiding the problem of hanging sleeves altogether, combined with the ease of washing the forearms (an important consideration in microbiology).
==== Apoenzymes ==== An apoenzyme (or, generally, an apoprotein) is the protein without any small-molecule cofactors, substrates, or inhibitors bound. It is often important as an inactive storage, transport, or secretory form of a protein. This is required, for instance, to protect the secretory cell from the activity of that protein. Apoenzymes become active enzymes on addition of a cofactor. Cofactors can be either inorganic (e.g., metal ions and iron-sulfur clusters) or organic compounds, (e.g., [Flavin group|flavin] and heme). Organic cofactors can be either prosthetic groups, which are tightly bound to an enzyme, or coenzymes, which are released from the enzyme's active site during the reaction.
Sources: en.wikipedia.org
特沙莫瑞林是国际非专利名称,指一种经过 N 端修饰的生长激素释放激素类似物。它被归类为合成肽,序列与 GHRH(1-44) 密切相关。该名称不指代任何特定品牌或剂型。
监管批准集中于 HIV 感染相关的脂肪营养不良,目的是减少内脏脂肪。它未被批准用于普通肥胖或一般体重管理。不同国家的批准状态和标签范围可能不同。
长期心血管获益、死亡率影响以及停药后的持续性仍缺乏确证。部分研究提示 IGF-1 和血糖参数可能变化,但个体差异较大。这些开放问题需要更长期、更大规模的试验来回答。
The amino acid sequence matches human growth hormone-releasing hormone, but the amino terminus carries a trans-3-hexenoyl group instead of a free amine. That single structural change chiefly affects enzymatic stability rather than receptor selectivity.