This is a working overview of 垂体受体, written for readers who want more than a one-paragraph summary but less than a textbook.
Reviewed 2026-02-02. Anything still debated is marked as such rather than presented as settled.
Tesamorelin is a synthetic peptide that acts as an analog of growth hormone-releasing hormone, a natural hypothalamic signal. Its sequence corresponds to the forty-four amino acid form of the human hormone, with a small acyl group attached near the amino terminus. That modification slows enzymatic breakdown and extends the time the peptide remains active in circulation. The compound was developed as a pharmacological way to raise endogenous growth hormone output rather than supplying the hormone directly.
After injection, the peptide binds receptors on somatotroph cells in the anterior pituitary. Receptor activation raises intracellular cyclic AMP and triggers release of stored growth hormone into the bloodstream. Because the compound works through the body's own regulatory system, growth hormone pulses retain much of their normal feedback control. Repeated administration also raises insulin-like growth factor 1, a hormone produced mainly in the liver. Investigators treat that rise as a marker that the pituitary axis has been engaged.
Clinical study of tesamorelin has centered on adults with HIV-associated lipodystrophy, a condition in which abdominal fat accumulates while peripheral fat is lost. In controlled trials, treated participants showed reductions in visceral adipose tissue measured by imaging, alongside modest shifts in some lipid values. Effects on subcutaneous fat were smaller and less consistent across studies. Whether these changes translate into fewer cardiovascular events remains an open question, because the trials were not designed or powered to answer it.
Clinical interest in tesamorelin arose from the need to address visceral adiposity in people living with HIV. Antiretroviral therapy improved survival but was associated in some patients with central fat accumulation, altered lipid profiles, and metabolic complications. This condition, often called HIV-associated lipodystrophy, involves excess visceral adipose tissue that is difficult to manage through diet and exercise alone. Investigators evaluated tesamorelin because GHRH analogs can stimulate growth hormone secretion and influence fat distribution without direct liposuction or invasive procedures.
A Phase 3 program led to regulatory approval in the United States in 2010 for reduction of excess visceral abdominal fat in adults with HIV and lipodystrophy. Subsequent studies examined effects on liver fat, muscle area, and metabolic markers, with mixed findings for some endpoints. Long-term cardiovascular outcomes and effects on mortality remain uncertain because most trials were relatively short and focused on imaging-based fat measurements. Use in populations without HIV has been studied experimentally but is not part of the approved indication.
| Property | Value | Notes |
|---|---|---|
| Drug class | Peptide hormone analog | Acts at the growth hormone-releasing hormone receptor |
| Receptor | Growth hormone-releasing hormone receptor | G protein-coupled; raises cyclic AMP in somatotrophs |
| Key mediator | Insulin-like growth factor 1 | Increases with repeated administration |
| Main studied population | Adults with HIV-associated lipodystrophy | Trials measured visceral adipose tissue by imaging |
| Route | Subcutaneous injection | Given once daily in clinical use |
研究背景集中在特定人群的体成分改变，尤其是与脂肪分布异常相关的内脏脂肪堆积。不同地区对它的监管状态与获批适应症并不一致，部分市场仅限特定诊断人群使用。在一般人群中的长期效应、与其他激素的相互作用以及停药后的维持情况仍属开放问题，现有数据不足以给出普遍结论。
tesamorelin 是一种人工合成的四十四肽，序列与内源性生长激素释放激素（GHRH）的 1-44 片段一致，区别在于 N 端加接了一个反式-3-己烯酰基。该修饰抑制二肽基肽酶 IV 的快速切割，从而延长分子在循环中的存留时间。作为肽类分子，它难以经胃肠道吸收，文献中讨论的均是注射途径。分类上通常把它归为 GHRH 类似物，以区别于生长激素本身。
作用位置在垂体前叶。tesamorelin 与 GHRH 受体结合后激活腺苷酸环化酶，升高细胞内 cAMP，再经蛋白激酶 A 通路促进生长激素的合成与释放。由于它作用于内源调控节点，生长激素仍以脉冲方式分泌，而不是被持续抬升到固定水平。生长激素随后在肝脏等组织诱导胰岛素样生长因子 1 产生，构成完整的生长激素轴响应。
The Association of Biomolecular Resource Facilities (ABRF) is dedicated to advancing core and research biotechnology laboratories through research, communication, and education. ABRF members include over 2000 scientists representing 340 different core laboratories in 41 countries, including those in industry, government, academic and research institutions.
This thus favors a shift towards Th2 dominance and the release of the cytokines listed above which results in Th2 dominance and favors the 'humoral' B-cell mediated antibody immune response. Cortisol also has a negative-feedback effect on IL-1. The way this negative feedback works is that an immune stressor causes peripheral immune cells to release IL-1 and other cytokines such as IL-6 and TNF-alpha. These cytokines stimulate the hypothalamus, causing it to release corticotropin-releasing hormone (CRH). CRH in turn stimulates the production of adrenocorticotropic hormone (ACTH) among other things in the adrenal gland, which (among other things) increases production of cortisol. Cortisol then closes the loop as it inhibits TNF-alpha production in immune cells and makes them less responsive to IL-1. Through this system, as long as an immune stressor is small, the response will be regulated to the correct level. In general, the hypothalamus uses cortisol to reduce the response once the production of cortisol matches the stress induced on the immune system.
=== Secondary dentin === Secondary dentin is formed after root formation is complete, normally after the tooth has erupted and is functional. It grows much more slowly than primary dentin but maintains its incremental aspect of growth. It has a similar structure to primary dentin, although its deposition is not always even around the pulp chamber. It appears greater in amounts on the roof and floor of the coronal pulp chamber, where it protects the pulp from exposure in older teeth. The secondary dentin formed is not in response to any external stimuli, and it appears very much similar to the primary dentin. It is the growth of this dentin that causes a decrease in the size of the pulp chamber with age. This is clinically known as pulp recession; cavity preparation in young patients, therefore, carries a greater risk of exposing the pulp. If this occurs, the pulp can be treated by different therapies such as direct pulp capping. Previously it was thought that pulp capping was most successful if followed by a stainless steel crown, however this procedure is usually unnecessary in children. It requires the unnecessary removal of enamel which is key to the life of the tooth. Adhesive dentistry allows for conservative restoration techniques that minimize the loss of tooth structure and should be used. In order to maintain space in the primary dentition, attempts are made not to extract a pulpal exposure.
Afonsoconus Tucker & Tenorio, 2013: synonym of Conus (Afonsoconus) Tucker & Tenorio, 2013 represented as Conus Linnaeus, 1758 Africonus Petuch, 1975: synonym of Conus (Lautoconus) Monterosato, 1923 represented as Conus Linnaeus, 1758 Arubaconus Petuch, 2013: synonym of Conus (Ductoconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Asprella Schaufuss, 1869: synonym of Conus (Asprella) Schaufuss, 1869 represented as Conus Linnaeus, 1758 Atlanticonus Petuch & Sargent, 2012: synonym of Conus (Atlanticonus) Petuch & Sargent, 2012 represented as Conus Linnaeus, 1758 Attenuiconus Petuch, 2013: synonym of Conus (Attenuiconus) Petuch, 2013 represented as Conus Linnaeus, 1758 Austroconus Tucker & Tenorio, 2009 synonym of Conus (Austroconus) Tucker & Tenorio, 2009 represented as Conus Linnaeus, 1758 Bathyconus Tucker & Tenorio, 2009: synonym of Conasprella (Fusiconus) Thiele, 1929, represented as Conasprella Thiele, 1929 Bermudaconus Petuch, 2013: synonym of Conus (Bermudaconus) Petuch, 2013 represented as Conus Linnaeus, 1758 Boucheticonus Tucker & Tenorio, 2013: synonym of Conasprella (Boucheticonus) Tucker & Tenorio, 2013 represented as Conasprella Thiele, 1929 Brasiliconus Petuch, 2013: synonym of Conus (Brasiliconus) Petuch, 2013 represented as Conus Linnaeus, 1758 Calamiconus Tucker & Tenorio, 2009: synonym of Conus (Lividoconus) Wils, 1970 represented as Conus Linnaeus, 1758 Calibanus da Motta, 1991: synonym of Conus (Calibanus) da Motta, 1991 represented as Conus Linnaeus, 1758 Cariboconus Petuch, 2003: synonym of Conus (Dauciconus) Cotton, 1945 represented as Conus Linnaeus, 1758 Californiconus Tucker & Tenorio, 2009 Chelyconus Mörch, 1852: synonym of Conus (Chelyconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Cleobula Iredale, 1930: synonym of Dendroconus Swainson, 1840 Coltroconus Petuch, 2013: synonym of Conasprella (Coltroconus) Petuch, 2013 represented as Conasprella Thiele, 1929 Conasprella Thiele, 1929: accepted name Conasprelloides Tucker & Tenorio, 2009: synonym of Conus (Dauciconus) Cotton, 1945 represented as Conus Linnaeus, 1758 † Conilithes Swainson, 1840 Continuconus Tucker & Tenorio, 2013 Conus Linnaeus, 1758: accepted name Cornutoconus Suzuki, 1972: synonym of Taranteconus Azuma, 1972 Coronaxis Swainson, 1840: synonym of Conus (Conus) Linnaeus, 1758 represented as Conus Linnaeus, 1758 Cucullus Röding, 1798: synonym of Conus (Conus) Linnaeus, 1758 represented as Conus Linnaeus, 1758 Cylinder Montfort, 1810: synonym of Conus (Cylinder) Montfort, 1810 represented as Conus Linnaeus, 1758 Cylindrella Swainson, 1840: synonym of Asprella Schaufuss, 1869synonym of Conus (Asprella) Schaufuss, 1869 represented as Conus Linnaeus, 1758 Cylindrus Batsch, 1789: synonym of Cylinder Montfort, 1810synonym of Conus (Cylinder) Montfort, 1810 represented as Conus Linnaeus, 1758 Dalliconus Tucker & Tenorio, 2009: synonym of Conasprella (Dalliconus) Tucker & Tenorio, 2009 synonym of Conasprella Thiele, 1929 Darioconus Iredale, 1930: synonym of Conus (Darioconus) Iredale, 1930 represented as Conus Linnaeus, 1758 Dauciconus Cotton, 1945: synonym of Conus (Dauciconus) Cotton, 1945 represented as Conus Linnaeus, 1758 Dendroconus Swainson, 1840: synonym of Conus (Dendroconus) Swainson, 1840 represented as Conus Linnaeus, 1758 Ductoconus da Motta, 1991: synonym of Conus (Ductoconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Duodenticonus Tucker & Tenorio, 2013: synonym of Conasprella (Conasprella) Thiele, 1929 represented as Conasprella Thiele, 1929 Dyraspis Iredale, 1949: synonym of Conus (Virroconus) Iredale, 1930 represented as Conus Linnaeus, 1758 Elisaconus Tucker & Tenorio, 2013: synonym of Conus (Elisaconus) Tucker & Tenorio, 2013 represented as Conus Linnaeus, 1758 Embrikena Iredale, 1937: synonym of Conus (Embrikena) Iredale, 1937 represented as Conus Linnaeus, 1758 Endemoconus Iredale, 1931: synonym of Conasprella (Endemoconus) Iredale, 1931 represented as Conasprella Thiele, 1929 Eremiconus Tucker & Tenorio, 2009: synonym of Conus (Eremiconus) Tucker & Tenorio, 2009 represented as Conus Linnaeus, 1758 Erythroconus da Motta, 1991: synonym of Conus (Darioconus) Iredale, 1930 represented as Conus Linnaeus, 1758 Eugeniconus da Motta, 1991: synonym of Conus (Eugeniconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Floraconus Iredale, 1930: synonym of Conus (Floraconus) Iredale, 1930 represented as Conus Linnaeus, 1758 Fraterconus Tucker & Tenorio, 2013: synonym of Conus (Fraterconus) Tucker & Tenorio, 2013 represented as Conus Linnaeus, 1758 Fulgiconus da Motta, 1991: synonym of Conus (Phasmoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Fumiconus da Motta, 1991: synonym of Conasprella (Fusiconus) da Motta, 1991 represented as Conasprella Thiele, 1929 Fusiconus da Motta, 1991: synonym of Conasprella (Fusiconus) da Motta, 1991 represented as Conasprella Thiele, 1929 Gastridium Modeer, 1793: synonym of Conus (Gastridium) Modeer, 1793 represented as Conus Linnaeus, 1758 Genuanoconus Tucker & Tenorio, 2009: synonym of Conus (Kalloconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Gladioconus Tucker & Tenorio, 2009: synonym of Conus (Monteiroconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Globiconus Tucker & Tenorio, 2009: synonym of Conasprella (Ximeniconus) Emerson & Old, 1962 represented as Conasprella Thiele, 1929 Gradiconus da Motta, 1991: synonym of Conus (Dauciconus) Cotton, 1945 represented as Conus Linnaeus, 1758 Graphiconus da Motta, 1991: synonym of Conus (Phasmoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Harmoniconus da Motta, 1991: synonym of Conus (Harmoniconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Hermes Montfort, 1810: synonym of Conus (Hermes) Montfort, 1810 represented as Conus Linnaeus, 1758 Heroconus da Motta, 1991: synonym of Conus (Pionoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Isoconus Tucker & Tenorio, 2013: synonym of Conus (Splinoconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Jaspidiconus Petuch, 2004: synonym of Conasprella (Ximeniconus) Emerson & Old, 1962 represented as Conasprella Thiele, 1929 Kalloconus da Motta, 1991: synonym of Conus (Kalloconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Kellyconus Petuch, 2013: synonym of Conus (Kellyconus) Petuch, 2013 represented as Conus Linnaeus, 1758 Kenyonia Brazier, 1896: genus incertae sedis Kermasprella Powell, 1958: synonym of Conasprella (Endemoconus) Iredale, 1931 represented as Conasprella Thiele, 1929 Ketyconus da Motta, 1991: synonym of Conus (Floraconus) Iredale, 1930 represented as Conus Linnaeus, 1758 Kioconus da Motta, 1991: synonym of Conus (Splinoconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Klemaeconus Tucker & Tenorio, 2013: synonym of Conus (Klemaeconus) Tucker & Tenorio, 2013 represented as Conus Linnaeus, 1758 Kohniconus Tucker & Tenorio, 2009: synonym of Conasprella (Kohniconus) Tucker & Tenorio, 2009 represented as Conasprella Thiele, 1929 Kurodaconus Shikama & Habe, 1968: synonym of Conus (Turriconus) Shikama & Habe, 1968 represented as Conus Linnaeus, 1758 Lamniconus da Motta, 1991: synonym of Conus (Lamniconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Lautoconus Monterosato, 1923: synonym of Conus (Lautoconus) Monterosato, 1923 represented as Conus Linnaeus, 1758 Leporiconus Iredale, 1930: synonym of Conus (Leporiconus) Iredale, 1930 represented as Conus Linnaeus, 1758 Leptoconus Swainson, 1840: synonym of Conus (Leptoconus) Swainson, 1840 represented as Conus Linnaeus, 1758 Lilliconus Raybaudi Massilia, 1994: synonym of Conasprella (Lilliconus) G. Raybaudi Massilia, 1994 represented as Conasprella Thiele, 1929 Lindaconus Petuch, 2002: synonym of Conus (Lindaconus) Petuch, 2002 represented as Conus Linnaeus, 1758 Lithoconus Mörch, 1852: synonym of Conus (Lithoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Lividoconus Wils, 1970: synonym of Conus (Lividoconus) Wils, 1970 represented as Conus Linnaeus, 1758 Lizaconus da Motta, 1991synonym of Profundiconus Kuroda, 1956 Magelliconus da Motta, 1991: synonym of Conus (Dauciconus) Cotton, 1945 represented as Conus Linnaeus, 1758 Malagasyconus Monnier & Tenorio, 2015 Mamiconus Cotton & Godfrey, 1932: synonym of Endemoconus Iredale, 1931synonym of Conasprella (Endemoconus) Iredale, 1931 represented as Conasprella Thiele, 1929 Miliariconus Tucker & Tenorio, 2009: synonym of Conus (Virroconus) Iredale, 1930 represented as Conus Linnaeus, 1758 Mitraconus Tucker & Tenorio, 2013: synonym of Conus (Turriconus) Shikama & Habe, 1968 represented as Conus Linnaeus, 1758 Monteiroconus da Motta, 1991: synonym of Conus (Monteiroconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Nataliconus Tucker & Tenorio, 2009: synonym of Conus (Leptoconus) Swainson, 1840 represented as Conus Linnaeus, 1758 Nimboconus Tucker & Tenorio, 2013: synonym of Conus (Phasmoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Nitidoconus Tucker & Tenorio, 2013: synonym of Conus (Splinoconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Ongoconus da Motta, 1991: synonym of Conus (Splinoconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Papyriconus Tucker & Tenorio, 2013: synonym of Conus (Papyriconus) Tucker & Tenorio, 2013 represented as Conus Linnaeus, 1758 Parviconus Cotton & Godfrey, 1932: synonym of Conasprella (Parviconus) Cotton & Godfrey, 1932 represented as Conasprella Thiele, 1929 Perplexiconus Tucker & Tenorio, 2009: synonym of Conasprella (Ximeniconus) Emerson & Old, 1962 represented as Conasprella Thiele, 1929 Phasmoconus Mörch, 1852: synonym of Conus (Phasmoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Pionoconus Mörch, 1852: synonym of Conus (Pionoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Plicaustraconus Moolenbeek, 2008: synonym of Conus (Plicaustraconus) Moolenbeek, 2008 represented as Conus Linnaeus, 1758 Poremskiconus Petuch, 2013: synonym of Conus (Dauciconus) Cotton, 1945 represented as Conus Linnaeus, 1758 Profundiconus Kuroda, 1956: accepted name Protoconus da Motta, 1991: synonym of Tenorioconus Petuch & Drolshagen, 2011 Protostrioconus Tucker & Tenorio, 2009: synonym of Conus (Gastridium) Modeer, 1793 represented as Conus Linnaeus, 1758 Pseudoconorbis Tucker & Tenorio, 2009: synonym of Conasprella (Pseudoconorbis) Tucker & Tenorio, 2009, represented as Conasprella Thiele, 1929 Pseudohermes Tucker & Tenorio, 2013: synonym of Conus (Virgiconus) Cotton, 1945 represented as Conus Linnaeus, 1758 Pseudolilliconus Tucker & Tenorio, 2009: synonym of Conus (Pseudolilliconus) Tucker & Tenorio, 2009 represented as Conus Linnaeus, 1758 Pseudonoduloconus Tucker & Tenorio, 2009: synonym of Conus (Pseudonoduloconus) Tucker & Tenorio, 2009 represented as Conus Linnaeus, 1758 Pseudopterygia Tucker & Tenorio, 2013: synonym of Conus (Pseudopterygia) Tucker & Tenorio, 2013 represented as Conus Linnaeus, 1758 Puncticulis Swainson, 1840: synonym of Conus (Puncticulis) Swainson, 1840 represented as Conus Linnaeus, 1758 Purpuriconus da Motta, 1991: synonym of Conus (Dauciconus) Cotton, 1945 represented as Conus Linnaeus, 1758 Pygmaeconus Puillandre & Tenorio, 2017 Pyruconus Olsson, 1967: synonym of Conus (Pyruconus) Olsson, 1967 represented as Conus Linnaeus, 1758 Quasiconus Tucker & Tenorio, 2009: synonym of Conus (Quasiconus) Tucker & Tenorio, 2009 represented as Conus Linnaeus, 1758 Regiconus Iredale, 1930: synonym of Conus (Darioconus) Iredale, 1930 represented as Conus Linnaeus, 1758 Rhizoconus Mörch, 1852: synonym of Conus (Rhizoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Rhombiconus Tucker & Tenorio, 2009: synonym of Conus (Stephanoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Rhombus Montfort, 1810: synonym of Rhombiconus Tucker & Tenorio, 2009, synonym of Conus (Stephanoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Rolaniconus Tucker & Tenorio, 2009: synonym of Conus (Strategoconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Rollus Montfort, 1810 :synonym of Conus (Gastridium) Modeer, 1793 represented as Conus Linnaeus, 1758 Rubroconus Tucker & Tenorio, 2013: synonym of Conus (Rubroconus) Tucker & Tenorio, 2013 represented as Conus Linnaeus, 1758 Sandericonus Petuch, 2013: synonym of Conus (Sandericonus) Petuch, 2013 represented as Conus Linnaeus, 1758 Sciteconus da Motta, 1991: synonym of Conus (Sciteconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Seminoleconus Petuch, 2003: synonym of Conus (Stephanoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Socioconus da Motta, 1991: synonym of Conus (Pionoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Splinoconus da Motta, 1991: synonym of Conus (Splinoconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Spuriconus Petuch, 2003: synonym of Conus (Lindaconus) Petuch, 2002 represented as Conus Linnaeus, 1758 Stellaconus Tucker & Tenorio, 2009: synonym of Conus (Splinoconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Stephanoconus Mörch, 1852: synonym of Conus (Stephanoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Strategoconus da Motta, 1991: synonym of Conus (Strategoconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Strioconus Thiele, 1929: synonym of Pionoconus Mörch, 1852, synonym of Conus (Pionoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Sulciconus Bielz, 1869: synonym of Asprella Schaufuss, 1869, synonym of Conus (Asprella) Schaufuss, 1869 represented as Conus Linnaeus, 1758 Taranteconus Azuma, 1972: synonym of Conus (Stephanoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Tenorioconus Petuch & Drolshagen, 2011: synonym of Conus (Stephanoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Tesselliconus da Motta, 1991: synonym of Conus (Tesselliconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Textilia Swainson, 1840: synonym of Conus (Textilia) Swainson, 1840 represented Conus Linnaeus, 1758 Thalassiconus Tucker & Tenorio, 2013: synonym of Calibanus da Motta, 1991, synonym of Conus (Calibanus) da Motta, 1991 represented as Conus Linnaeus, 1758 Theliconus Swainson, 1840: synonym of Hermes Montfort, 1810, synonym of Conus (Hermes) Montfort, 1810 represented as Conus Linnaeus, 1758 Thoraconus da Motta, 1991: synonym of Fulgiconus da Motta, 1991, synonym of Conus (Phasmoconus) Mörch, 1852 represented as Conus Linnaeus, 1758 Trovaoconus Tucker & Tenorio, 2009, synonym of Conus (Kalloconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Tuckericonus Petuch, 2013: synonym of Conus (Dauciconus) Cotton, 1945 represented as Conus Linnaeus, 1758 Tuliparia Swainson, 1840: synonym of Gastridium Modeer, 1793, synonym of Conus (Gastridium) Modeer, 1793 represented as Conus Linnaeus, 1758 Turriconus Shikama & Habe, 1968, synonym of Conus (Turriconus) Shikama & Habe, 1968 represented as Conus Linnaeus, 1758 Utriculus Schumacher, 1817: synonym of Gastridium Modeer, 1793, synonym of Conus (Gastridium) Modeer, 1793 represented as Conus Linnaeus, 1758 Varioconus da Motta, 1991: synonym of Conus (Lautoconus) Monterosato, 1923 represented as Conus Linnaeus, 1758 Viminiconus Tucker & Tenorio, 2009: synonym of Conasprella (Fusiconus) da Motta, 1991 represented as Conasprella Thiele, 1929 Virgiconus Cotton, 1945: synonym of Conus (Virgiconus) Cotton, 1945 represented as Conus Linnaeus, 1758 Virroconus Iredale, 1930: synonym of Conus (Virroconus) Iredale, 1930 represented as Conus Linnaeus, 1758 Vituliconus da Motta, 1991: synonym of Conus (Strategoconus) da Motta, 1991 represented as Conus Linnaeus, 1758 Ximeniconus Emerson & Old, 1962: synonym of Conasprella (Ximeniconus) Emerson & Old, 1962 represented as Conasprella Thiele, 1929 Yeddoconus Tucker & Tenorio, 2009: synonym of Conasprella (Endemoconus) Iredale, 1931 represented as Conasprella Thiele, 1929
Sources: en.wikipedia.org
crest as well as on shirts sold by Wrexham's brick and mortar and virtual fan stores, the partnership ended in 2023 when Wrexham was promoted to the EFL League Two after which US airline United took over the partnership/sponsorship. On 8 January 2026, TikTok announced a new partnership with the FIFA World Cup. In early 2026, the United States and China approved a deal transferring operational control of TikTok's US business to a joint venture led by Oracle and Silver Lake, following a 2024 US law requiring ByteDance to divest the platform over national security concerns. Shou Chew announced in a memo addressed to employees that TikTok will henceforth operate in the United States under a joint investment entity in which the majority ownership will be American. Under the agreement reached, it is guaranteed that Americans will be protected on the social network TikTok through "data protection", "content oversight", and "algorithm security." In April 2026, TikTok partnered with ACRCloud to enhance its SoundOn platform with audio recognition technology aimed at identifying unauthorized or altered uses of copyrighted music. In June 2026, TikTok and Strava launched a joint initiative to support local sports communities across Europe by providing funding and promotional resources to selected creators and community organizations. In July 2026, TikTok announced a multi-year partnership with the NBA and WNBA, expanding access to exclusive content and interactive experiences for basketball fans within the platform.
In many animals it is converted to pyruvate via threonine dehydrogenase. An intermediate in this pathway can undergo thiolysis with CoA to produce acetyl-CoA and glycine. In humans the gene for threonine dehydrogenase is an inactive pseudogene, so threonine is converted to α-ketobutyrate. The mechanism of the first step is analogous to that catalyzed by serine dehydratase, and the serine and threonine dehydratase reactions are probably catalyzed by the same enzyme. In many organisms it is O-phosphorylated by a kinase preparatory to further metabolism. This is especially important in bacteria as part of the biosynthesis of cobalamin (Vitamin B12), as the product is converted to (R)-1-aminopropan-2-ol for incorporation into the vitamin's sidechain. Threonine is used to synthesize glycine during the endogenous production of L-carnitine in the brain and liver of rats.
Central nervous system: Epidural (synonym: peridural) (injection or infusion into the epidural space), e.g. epidural anesthesia. Intracerebral (into the cerebrum) administration by direct injection into the brain. Used in experimental research of chemicals and as a treatment for malignancies of the brain. The intracerebral route can also interrupt the blood brain barrier from holding up against subsequent routes. Intracerebroventricular (into the cerebral ventricles) administration into the ventricular system of the brain. One use is as a last line of opioid treatment for terminal cancer patients with intractable cancer pain.
Aged mouse tissues exhibit globally increased malonylation, potentially due to elevated expression of acetyl-CoA carboxylase and reduced activity of the deacylase SIRT5, which depends on declining NAD+ levels. These findings suggest a role for histone malonylation in the epigenetic regulation of aging processes. In type 2 diabetes, lysine malonylation is significantly elevated in liver tissue, as shown in obese mouse models such as db/db and ob/ob mice. Many of the affected proteins are involved in glucose and lipid metabolism, and malonylation of glycolytic enzymes has been shown to suppress their activity, leading to reduced glycolytic flux. Six of the ten glycolytic enzymes are malonylated at sites regulated by the demalonylase SIRT5, which counteracts this inhibition and may serve as a therapeutic target, along with other yet unidentified enzymes that regulate malonylation. In osteoarthritis, SIRT5 expression decreases in cartilage during aging while lysine malonylation increases. In mice, the combination of Sirt5 deficiency and high-fat diet–induced obesity exacerbates joint degeneration, accompanied by widespread hypermalonylation of glycolytic enzymes and impaired chondrocyte metabolism. A rare missense mutation in human SIRT5 (F101L) found in familial osteoarthritis further confirms a direct link between hypermalonylation and osteoarthritis. In resting macrophages, glyceraldehyde-3-phosphate dehydrogenase (GAPDH) binds to inflammatory mRNAs such as TNFα and suppresses their translation.
But in a severe infection or in a situation where the immune system is overly sensitized to an antigen (such as in allergic reactions) or there is a massive flood of antigens (as can happen with endotoxic bacteria) the correct set point might never be reached Also because of downregulation of Th1 immunity by cortisol and other signaling molecules, certain types of infection (such as Mycobacterium tuberculosis) can trick the body into getting locked in the wrong mode of attack, using an antibody-mediated humoral response when a cellular response is needed. Lymphocytes include the B-cell lymphocytes that are the antibody-producing cells of the body, and are thus the main agents of humoral immunity. A larger number of lymphocytes in the lymph nodes, bone marrow, and skin means the body is increasing its humoral immune response. B-cell lymphocytes release antibodies into the bloodstream. These antibodies lower infection through three main pathways: neutralization, opsonization, and complement activation. Antibodies neutralize pathogens by binding to surface adhering proteins, keeping pathogens from binding to host cells. In opsonization, antibodies bind to the pathogen and create a target for phagocytic immune cells to find and latch onto, allowing them to destroy the pathogen more easily. Finally antibodies can also activate complement molecules which can combine in various ways to promote opsonization or even act directly to lyse a bacteria.
Sources: en.wikipedia.org
== Cause == While the exact cause is unknown, the genetic predisposition to GPS involves the human leukocyte antigen (HLA) system, specifically HLA-DR15. In addition to genetic susceptibility, an initial environmental insult to the pulmonary vasculature is needed to allow the anti-glomerular basement membrane (anti-GBM) antibodies to reach the alveolar capillaries. Examples of such an insult include: exposure to organic solvents (e.g. chloroform) or hydrocarbons, exposure to tobacco smoke, infection (such as influenza A), cocaine inhalation, metal dust inhalation, bacteremia, sepsis, high-oxygen environments, and antilymphocyte therapies (especially with monoclonal antibodies). Exposure to dry cleaning chemicals and paraquat herbicide have also been implicated as potential insults. In GPS, anti-GBM antibodies are produced and circulated throughout the bloodstream, damaging the membranes lining the lungs and kidneys as well as targeting their capillaries.
Pivampicillin (pivaloyloxymethyl ester of ampicillin) Bacampicillin Metampicillin (formaldehyde ester of ampicillin) Talampicillin Hetacillin (ampicillin conjugated to acetone) Epicillin is an aminopenicillin that has never seen widespread clinical use.
In cosmetic applications, botulinum toxin is considered relatively safe and effective for reduction of facial wrinkles, especially in the uppermost third of the face. Commercial forms are marketed under the brand names Botox Cosmetic/Vistabel from Allergan, Dysport/Azzalure from Galderma and Ipsen, Xeomin/Bocouture from Merz, Jeuveau/Nuceiva from Evolus, manufactured by Daewoong in South Korea. The effects of botulinum toxin injections for glabellar lines ("11's lines" between the eyes) typically last two to four months and in some cases, product-dependent, with some patients experiencing a longer duration of effect of up to six months or longer. Injection of botulinum toxin into the muscles under facial wrinkles causes relaxation of those muscles, resulting in the smoothing of the overlying skin. Smoothing of wrinkles is usually visible three to five days after injection, with maximum effect typically a week following injection. Muscles can be treated repeatedly to maintain the smoothed appearance. DaxibotulinumtoxinA (Daxxify) was approved for medical use in the United States in September 2022. It is indicated for the temporary improvement in the appearance of moderate to severe glabellar lines. DaxibotulinumtoxinA is an acetylcholine release inhibitor and neuromuscular blocking agent. The FDA approved daxibotulinumtoxinA based on evidence from two clinical trials (Studies GL-1 and GL-2), of 609 adults with moderate to severe glabellar lines. The trials were conducted at 30 sites in the United States and Canada.
2025: Tristan Tan Yi Rui, who was originally condemned to death for trafficking not less than 337.6 grams of methamphetamine, later had his sentence commuted to life imprisonment after President Tharman Shanmugaratnam granted his clemency plea. This marked the first successful clemency plea in 27 years.
== Prevention == Dehiscence can be prevented through adequate tissue undermining to reduce stress on the wound edges, avoiding heavy lifting and speeding healing through adequate nutrition, controlling diabetes, and avoiding certain medications such as corticosteroids. Sterile strips may also be used to cover skin sutures for up to a week.
Sources: en.wikipedia.org
It is a laboratory-made peptide that mimics growth hormone-releasing hormone. It prompts the pituitary gland to release growth hormone and has been studied mainly in adults with HIV-associated lipodystrophy.
Administered growth hormone supplies the hormone directly, while this peptide acts upstream by prompting the pituitary to release it. The indirect route preserves pulsatile secretion and some endogenous feedback, which changes the hormone and IGF-1 profile observed after treatment.
Reductions in visceral adipose tissue appear consistently in randomized trials of the approved population. Effects on peripheral fat, cardiovascular outcomes, and use outside that population are less well established.
It is a synthetic peptide analog of human growth hormone-releasing hormone. It is used clinically to reduce excess visceral abdominal fat in adults with HIV-associated lipodystrophy. It works by stimulating pituitary growth hormone release.