A practical reference on visceral adiposity: what it is, how it behaves, what the literature reports, and where the honest uncertainties sit.
This page was last updated on 2026-02-06 and is reviewed periodically as new material appears.
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.
Tesamorelin is a synthetic analog of growth hormone-releasing hormone, a peptide hormone produced by the hypothalamus. The molecule retains the 44-amino-acid sequence of human GHRH and carries a trans-3-hexenoyl modification at its N-terminus. This modification increases resistance to enzymatic degradation and extends the peptide's functional stability relative to native GHRH. The compound is supplied as a lyophilized powder for reconstitution and subcutaneous administration in clinical settings. Its development code was TH9507, and it belongs to the GHRH analog class. It is not a growth hormone product; instead, it acts upstream to stimulate endogenous growth hormone release.
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.
| Property | Value | Notes |
|---|---|---|
| Molecular weight | Approximately 5,136 Da | Based on the 44-amino-acid peptide backbone and N-terminal modification. |
| Appearance | White to off-white lyophilized powder | Usually supplied in single-use vials for reconstitution. |
| Solubility | Freely soluble in water; slightly soluble in some organic solvents | Peptide nature supports aqueous reconstitution. |
| Typical storage | 2–8 °C, protected from light | Refrigeration reduces degradation; avoid freezing unless specified. |
| Common analytical method | Reverse-phase high-performance liquid chromatography | Used for identity, purity, and quantification. |
| Synonyms | Tesamorelin, TH9507, GHRH(1-44) analog | Generic descriptors; avoid proprietary names. |
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。
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。
According to the author of the study there were 137 such events in Thailand during this period. Other ASEAN nations ranked in the study were Myanmar, ranked 3; Philippines, 5; and Vietnam, 8. Climate Change Performance Index (CCPI) 2017: Of 58 nations responsible for about 90% of global energy-related CO2 emissions, Thailand was ranked 42d in taking "action on climate protection" (1=best, 61=worst), earning an assessment of "poor". Other ASEAN nations ranked were Indonesia, 22 "good"; Malaysia, 44, "poor"; and Singapore, 54, "very poor". Global Climate Risk Index 2017: Thailand ranked number 10 of 180 nations most affected by "...weather-related loss events..." during the period 1996-2015 (1=most affected, 180=least affected) according to Germanwatch. Other ASEAN nations ranked in the top 10 were Myanmar, 2; Philippines, 5; and Vietnam, 8. Climate Central: Thailand is ranked seventh (higher number=lower risk) on the "Top 20 Most At-Risk Countries" for exposure to sea level rise and coastal flooding. It estimates the number of "People living on land that will be below sea level or chronic flood levels by the end of the century, assuming current emissions trends continue, and medium sensitivity of sea level to warming." In Thailand, eight million persons, or 12% of the population, are "at-risk" according to the study. Six of ASEAN's ten member-states are on the at-risk list. Climate Change Performance Index 2016: Thailand ranked 49 of 61 (1=best, 61=worst) countries, putting it in the "Very Poor" performance category.
The surgeon designs the paramedian forehead flap from a custom-fabricated three-dimensional metal foil template derived from the measures of the nasal defect to be corrected. Using an ultrasonic scanner, the flap-pedicle is centre-aligned upon the Doppler signal of the supraorbital artery. Afterwards, the distal one-half of the flap is dissected and thinned to the subdermal plexus.
In January 2011, Yum! Brands announced its intention to sell A&W along with Long John Silver's. Citing poor sales for both divisions and overshadowing by its other chains, Yum! planned to focus on international expansion for its remaining brands, with particular emphasis on growth in China. In September 2011, Yum! announced that it would sell the chain to A Great American Brand, a consortium of various A&W franchisees in the United States and overseas. The sale was finalized on December 19, 2011, under the leadership of returning CEO Kevin M. Bazner. Administration of A Great American Brand was divided between the national A&W franchisee association, the largest overseas franchisee and Bazner. With the purchase, A&W relocated its headquarters back to Lexington, employing a staff of 30 in late 2011, aiming to double to 60 within a five-year period while setting a growth target after that. Potential targets for growth were going to be small towns, as well as non-conventional locations, such as shopping malls, airports and universities. The chain had 1,200 restaurants at the time, 850 of which were in the US, with the remaining primarily in Asia. The chain, instead of competing heavily against larger chains, continued to rely on its core strength, smaller cities and towns of the USA. In early 2013, A&W introduced its first new product in several years: a six-ounce version of its soft-serve blended dessert treat. Mini Polar Swirls were the first product to be launched on Vine.
Sources: en.wikipedia.org
The International Rules Series was played between Australia and Ireland for the first time since 2011. For the first time, the Australian team was represented by the Indigenous All Stars. As in previous years, two test matches were played, and the series was decided on aggregate. The series was held in Ireland, and was won by Ireland 2-0 and on an aggregate margin of 173-72 points.
=== Pain in mammals === In mutant yellow-orange mice and human redheads, both with nonfunctional MC1R, both genotypes display reduced sensitivity to noxious stimuli and increased analgesic responsiveness to morphine-metabolite analgesics. These observations suggest a role for mammalian MC1R outside the pigment cell, though the exact mechanism through which the protein can modulate pain sensation is not known. In a certain genetic background in mice it has been reported that animals lacking MC1R had increased tolerance to capsaicin acting through the TRPV1 receptor and decreased response to chemically induced inflammatory pain. Humans with MC1R mutations have been reported to need approximately 20% more inhalational anaesthetic than controls. Lidocaine was reported to be much less effective in reducing pain in another study of humans with MC1R mutations
=== ZMAb === ZMAb is a mixture of three mouse mAbs: m1H3, m2G4, and m4G7. A study published in November 2013 found that EBOV-infected macaque monkeys survived after being given a therapy with a combination of three EBOV surface glycoprotein (EBOV-GP)-specific monoclonal antibodies (ZMAb) within 24 hours of infection. The authors concluded that post-exposure treatment resulted in a robust immune response, with good protection for up to 10 weeks and some protection at 13 weeks. ZMab was created by the NML and licensed to Defyrus, a Toronto-based biodefense company, with further funding by the Public Health Agency of Canada.
Sources: en.wikipedia.org
The term metabolism is derived from the Greek μεταβολισμός, metabolismos for 'change', or 'overthrow'. The history of the scientific study of metabolism spans 800 years. The earliest of all metabolic studies began during the early thirteenth century (1213–1288) by a Muslim scholar from Damascus named Ibn al-Nafis. al-Nafis stated in his most well-known work Theologus Autodidactus that "that body and all its parts are in a continuous state of dissolution and nourishment, so they are inevitably undergoing permanent change." Although al-Nafis was the first documented physician to have an interest in biochemical concepts, the first controlled experiments in human metabolism were published by Santorio Santorio in 1614 in his book Ars de statica medecina. This book describes how he weighed himself before and after eating, sleeping, working, sex, fasting, drinking, and excreting. He found that most of the food he took in was lost through what he called "insensible perspiration".
== Preparation == To make a gelatine dessert, gelatine is dissolved in hot liquid with the desired flavours and other additives. These latter ingredients usually include sugar, fruit juice, or sugar substitutes; they may be added and varied during preparation, or pre-mixed with the gelatine in a commercial product which mainly requires the addition of hot water. In addition to sweeteners, the prepared commercial blends generally contain flavouring agents and other additives, such as adipic acid, fumaric acid, sodium citrate, and artificial flavourings and food colours. Because the collagen is processed extensively, the final product is not categorised as a meat or animal product by the United States federal government.
She argued that women, unlike men, did not have locker room experiences in school where they compared each other's genitals, which is one reason so many women wonder if their genitals are normal. Scholar Catherine Blackledge stated that having a vagina meant she would typically be treated less well than her vagina-less counterparts and subject to inequalities (such as job inequality), which she categorized as being treated like a second-class citizen.
==== Integral fast reactor ==== One design of fast neutron reactor, specifically conceived to address the waste disposal and plutonium issues, was the integral fast reactor (IFR, also known as an integral fast breeder reactor, although the original reactor was designed to not breed a net surplus of fissile material). The IFR concept included on-site pyroprocessing to recycle used fuel. The remaining waste would not consist solely of short-lived fission products. Long-lived fission products such as technetium-99 and iodine-129 remain important for disposal, and pyroprocessing also generates waste streams containing salts and fuel cladding. Some fission products could later be separated for industrial or medical uses and the rest sent to a waste repository. The IFR pyroprocessing system uses molten cadmium cathodes and electrorefiners to reprocess metallic fuel directly on-site at the reactor. Such systems co-mingle all the minor actinides with both uranium and plutonium. The systems are compact and self-contained, so that no plutonium-containing material needs to be transported away from the site of the breeder reactor. Breeder reactors incorporating such technology would most likely be designed with breeding ratios very close to 1.00, so that after an initial loading of enriched uranium and/or plutonium fuel, the reactor would then be refueled only with small deliveries of natural uranium. A quantity of natural uranium equivalent to a block about the size of a milk crate delivered once per month would be all the fuel such a 1 gigawatt reactor would need.
Sources: en.wikipedia.org
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.
Pivotal trials enrolled adults with HIV and excess visceral abdominal fat, often in the context of antiretroviral therapy. Participants were assessed mainly by computed tomography for visceral adipose tissue. The approved indication remains specific to that population.
Long-term effects on cardiovascular events, mortality, and sustained fat distribution are not well established. Most trials measured changes over months rather than years. Open questions also include whether benefits persist after treatment stops.
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.