The short version of Visceral adipose tissue fits in a sentence. The long version — which is the one that helps — is below.
Reviewed 2026-02-06. Anything still debated is marked as such rather than presented as settled.
Several related peptides act on the same receptor, including sermorelin, a shorter GHRH fragment, and modified analogs such as CJC-1295 and modified GRF(1-29) that are common in research settings rather than approved products. Tesamorelin differs from growth hormone itself in that it acts upstream, prompting the pituitary to release the hormone through physiological signaling rather than supplying it directly. Terminology in the literature distinguishes GHRH analogs, growth hormone secretagogues, and recombinant growth hormone, although popular discussion often blurs these categories together. Precise naming matters when comparing study results.
Tesamorelin is a synthetic peptide of 44 amino acids that reproduces the sequence of human growth hormone-releasing hormone (GHRH) and carries a trans-3-hexenoyl group on its N-terminal tyrosine. That small fatty-acid modification blocks cleavage by dipeptidyl peptidase-4, the enzyme that rapidly degrades native GHRH in plasma. The result is a molecule with a longer circulating half-life than the natural hormone while retaining the same receptor target. It is supplied as a lyophilized powder for reconstitution and belongs to the broader class of GHRH analogs studied for effects on pituitary growth hormone secretion.
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.
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.
| Property | Value | Notes |
|---|---|---|
| Molecular class | Synthetic 44-residue GHRH analog | Sequence matches human GHRH(1-44); differs only at the N-terminus |
| Nominal molecular mass | Approximately 5,136 Da (free base) | Small variation arises from counterion and salt form |
| Appearance | White to off-white lyophilized powder | Supplied in single-use vials intended for reconstitution |
| Solubility class | Freely soluble in water | Practically insoluble in nonpolar organic solvents |
| Typical storage | 2 to 8 degrees Celsius, protected from light | Reconstituted material is handled according to label instructions |
Receptor-level activity begins when the peptide binds the GHRH receptor, a class B G-protein-coupled receptor found on pituitary somatotroph cells. Occupancy triggers Gs-mediated activation of adenylyl cyclase and a rise in intracellular cyclic AMP, which in turn promotes synthesis and pulsatile release of growth hormone. Because the compound acts upstream of the growth hormone axis rather than supplying hormone directly, its effect depends on intact pituitary function. Binding studies in cell culture and animal models have established this pathway; the detailed kinetics of receptor recycling in humans remain less well characterized.
Physicochemical behavior is dominated by the peptide backbone. The molecule is hydrophilic and carries a net positive charge near neutral pH, owing to several arginine and lysine residues. In solution it adopts a largely unstructured conformation, and aggregation is a known concern for peptide products of this size. Oxidation of methionine and deamidation of asparagine or glutamine residues are the principal chemical degradation routes. These liabilities shape how the material is formulated, handled, and analyzed, and they explain why lyophilized presentations are common in research settings.
Tesamorelin is a synthetic peptide analog of growth hormone-releasing hormone, built from 44 amino acids. Its sequence follows the natural human GHRH(1-44) backbone, with a trans-3-hexenoyl group attached to the N-terminal tyrosine. This modification blocks recognition by dipeptidyl peptidase IV, the enzyme that rapidly truncates the native hormone in circulation. The result is a molecule with a substantially longer plasma residence time than unmodified GHRH, which makes it practical for clinical and laboratory study.
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。
Binding of tesamorelin to GHRH receptors on pituitary somatotroph cells triggers cyclic AMP signaling and the release of growth hormone into circulation. Because the peptide acts upstream of the growth hormone axis, its effects are partly mediated by hepatic insulin-like growth factor 1 (IGF-1) production. The pulsatile character of endogenous growth hormone secretion is preserved rather than replaced. Whether amplified signaling produces effects beyond those of native GHRH remains an area of ongoing investigation.
A documented effect of tesamorelin is a reduction in visceral adipose tissue in some study populations. Researchers have reported decreases in trunk fat measured by computed tomography alongside changes in lipid markers. The mechanism is thought to involve growth hormone-mediated lipolysis, though the precise contribution of direct versus indirect pathways is not fully resolved. Studies have generally examined defined groups over finite periods, so long-term outcomes are less well characterized. Findings have not been uniform across all trials.
Tesamorelin is a synthetic peptide analog of growth hormone-releasing hormone (GHRH). Its sequence corresponds to the 44-amino-acid form of human GHRH with a trans-3-hexenoyl group attached to the N-terminal tyrosine. This modification slows enzymatic cleavage and extends the peptide's activity relative to the native hormone. The compound is produced by solid-phase peptide synthesis and supplied as a lyophilized powder. Researchers classify it as a GHRH receptor agonist. Its structure places it in the same family as other growth hormone secretagogues that act on the pituitary.
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.
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.
== Secretion efficiency determination == Signal peptides are extremely heterogeneous, many prokaryotic and eukaryotic ones are functionally interchangeable within or between species and all determine protein secretion efficiency.
=== Pharmacokinetics === The oral bioavailability of clomipramine is approximately 50%. Peak plasma concentrations occur around 2–6 hours (with an average of 4.7 hours) after taking clomipramine orally and are in the range of 56–154 ng/mL (178–489 nmol/L). Steady-state concentrations of clomipramine are around 134–532 ng/mL (426–1,690 nmol/L), with an average of 218 ng/mL (692 nmol/L), and are reached after 7 to 14 days of repeated dosing. Steady-state concentrations of the active metabolite, desmethylclomipramine, are around 230–550 ng/mL (730–1,750 nmol/L). The volume of distribution (Vd) of clomipramine is approximately 17 L/kg. It binds approximately 97–98% to plasma proteins, primarily to albumin. Clomipramine is metabolized in the liver mainly by CYP2D6. It has a terminal half-life of 32 hours, and its N-desmethyl metabolite, desmethylclomipramine, has a terminal half-life of approximately 69 hours. Clomipramine is mostly excreted in urine (60%) and feces (32%). Although the normal maximum-recommended total daily dosage of clomipramine is 250 milligrams, treatment-resistant cases of depression and obsessive-compulsive disorder may require corresponding doses within the range of 255 to 300 milligrams. Indeed, doses of 375 milligrams per day, sometimes in combination with venlafaxine or aripiprazole, have not only been necessary but, remarkably, relatively well-tolerated.
=== Antibacterial use === Tigecycline is used to treat different kinds of bacterial infections, including complicated skin and structure infections, complicated intra-abdominal infections and community-acquired bacterial pneumonia. Tigecycline is a glycylcycline antibiotic that covers MRSA and Gram-negative organisms:
=== Malaysia === The Malaysian Armed Forces version of the 24-hour ration pack is intended to provide one man with sufficient food and supplements for one day. Most items are domestically procured and cater to local tastes and religious dietary requirements. The ration makes extensive use of commercially available canned and dehydrated items. Wherever possible, plastic-foil pouches are used instead of cans. The ration is supplemented with precooked or freeze-dried rice. Example menu C: Beef Kurma, Chicken Masak Merah, Fish Curry, and Sambal Shrimp; Bean Curd and Vegetable mix; long bean stew; canned pineapple and canned papaya; 2 packages of quick-cooking porridge (black bean porridge and flour porridge); military biscuits; jam; instant coffee; tea; instant milk powder; sugar; salt; vitamin tablets; matches; and napkins.
Those whose half-lives exceed a few percent of the age of the Earth (about 4.6×109 years) survive from its formation and are remnants of nucleosynthesis that occurred in stars before the formation of the Solar System. For example, the isotope 23892U (t1/2 = 4.463×109 years) of uranium is still fairly abundant in nature, but the shorter-lived isotope 23592U (t1/2 = 0.704×109 years) is now 138 times rarer. 35 of these primordial radionuclides have been identified (see List of nuclides and Primordial nuclide for details). Radiogenic nuclides (such as 22688Ra (t1/2 = 1600 years), an isotope of radium) that are formed by radioactive decay. They occur in the decay chains of primordial isotopes of uranium or thorium. Some of these nuclides are very short-lived, such as isotopes of francium. There exist about 50 of these daughter nuclides that have half-lives too short to be primordial, and which exist in nature solely due to decay from longer lived radioactive primordial nuclides. Nuclides that are continuously being made in another fashion that is not simple spontaneous radioactive decay (i.e., only one atom involved with no incoming particle) but instead involves a natural nuclear reaction. These occur when atoms react with natural neutrons (from cosmic rays, spontaneous fission, or other sources), or are bombarded directly with cosmic rays. The latter, if non-primordial, are called cosmogenic nuclides. Other types of natural nuclear reactions produce nuclides that are said to be nucleogenic nuclides.
Sources: en.wikipedia.org
Although Ben-Gurion had no legal authority to issue such an order, the order was made legal by the cabinet on 31 May. The same order called for the disbandment of all other Jewish armed forces. The two other Jewish underground organizations, Irgun and Lehi, agreed to join the IDF if they would be able to form independent units and agreed not to make independent arms purchases. This was the background for the Altalena Affair, a confrontation surrounding weapons purchased by the Irgun resulting in a standoff between Irgun members and the newly created IDF. The affair came to an end when Altalena, the ship carrying the arms, was shelled by the IDF. Following the affair, all independent Irgun and Lehi units were either disbanded or merged into the IDF. The Palmach, a leading component of the Haganah, also joined the IDF with provisions. Ben Gurion responded by disbanding its staff in 1949, after which many senior Palmach officers retired, notably its first commander, Yitzhak Sadeh. The new army organized itself when the 1947–48 Civil War in Mandatory Palestine escalated into the 1948 Arab–Israeli War, which saw neighbouring Arab states attack. Twelve infantry and armored brigades formed: Golani, Carmeli, Alexandroni, Kiryati, Givati, Etzioni, the 7th, and 8th armored brigades, Oded, Harel, Yiftach, and Negev. After the war, some of the brigades were converted to reserve units, and others were disbanded. Directorates and corps were created from corps and services in the Haganah. This basic structure in the IDF still exists today.
== Contraindications == Emedastine should not be used in patients who are hypersensitive to emedastine or any other excipients of the preparation. Benzalkonium chloride contained in the bottle of emedastine solution can discolor soft contact lenses, so people who wear contact lenses should be careful using it.
=== Remediation === Algae has shown selectivity for strontium in studies, where most plants used in bioremediation have not shown selectivity between calcium and strontium, often becoming saturated with calcium, which is greater in quantity and also present in nuclear waste. Researchers have looked at the bioaccumulation of strontium by Scenedesmus spinosus (algae) in simulated wastewater. The study claims a highly selective biosorption capacity for strontium of S. spinosus, suggesting that it may be appropriate for use of nuclear wastewater. A study of the pond alga Closterium moniliferum using stable strontium found that varying the ratio of barium to strontium in water improved strontium selectivity.
=== History of research === It was not until relatively recently that medicine recognised the worldwide prevalence of lactose intolerance and its genetic causes. Its symptoms were described as early as Hippocrates (460–370 BC), but until the 1960s, the prevailing assumption in Western medicine was that tolerance was the norm. Intolerance was explained as the result of a milk allergy, intestinal pathogens, or as being psychosomatic – it being recognised that some cultures did not practice dairying, and people from those cultures often reacted badly to consuming milk. Two reasons have been given for this misconception. One was that early research was conducted solely on European-descended populations, which have an unusually low incidence of lactose intolerance and an extensive cultural history of dairying. As a result, researchers wrongly concluded that tolerance was the global norm. Another reason is that lactose intolerance tends to be under-reported: most lactose-intolerant individuals can tolerate at least some lactose before they show symptoms, and their symptoms differ in severity. The large majority of people are able to digest a small quantity of milk (e.g., the amount used in a cup of tea or coffee) without developing any adverse effects. Fermented dairy products, such as cheese, also contain significantly less lactose than plain milk. Therefore, in societies where tolerance is the norm, many lactose intolerant people who consume only small amounts of dairy, or have only mild symptoms, may be unaware that they cannot digest lactose.
Sources: en.wikipedia.org
Conscious proprioception is communicated by the dorsal column-medial lemniscus pathway to the cerebrum. Nonconscious proprioception is communicated primarily via the dorsal spinocerebellar tract and ventral spinocerebellar tract, to the cerebellum. A nonconscious reaction is seen in the human proprioceptive reflex, or righting reflex—in the event that the body tilts in any direction, the person will cock their head back to level the eyes against the horizon. This is seen even in infants as soon as they gain control of their neck muscles. This control comes from the cerebellum, the part of the brain affecting balance.
== Pathophysiology == The thyroid gland is responsible for regulating whole-body metabolism through the production of two major hormones: thyroxine (T4) and triiodothyronine (T3). Of the metabolically active thyroid hormones, 93% is T4 and 7% is T3. T3 is four times more potent than T4 and most T4 is converted to T3 in the tissues. Iodine is necessary for adequate hormone production. Thyroid-stimulating hormone (TSH) is a circulating or serum hormone from the pituitary gland that stimulates the thyroid gland to produce T3 and T4. Hypothyroidism occurs when the thyroid gland does not produce enough T3 and T4. The most common cause of hypothyroidism worldwide is too little dietary iodine. Hashimoto's thyroiditis is the most common cause of hypothyroidism in countries with sufficient dietary iodine. With the cessation of the production of thyroid hormone, the thyroid gland contains enough reserve T3 and T4 to last 2 to 3 months. The thyroid hormones T3 and T4 influence the production by virtually all cells in the body of hundreds of new intracellular proteins and enzymes. This influence includes the expression of the calcium ATPase, regulation of ion channels, oxidative phosphorylation, increased Na-K-ATPase activity, increased carbohydrate metabolism, increased free fatty acids, increased vitamin requirements, and increased overall metabolism.
=== Paintings, drawings and plans === Plan de l’Institut pour la Construction Séricicole de Brousse (Plan for the Institute for sericulture development in Bursa) (1893) Plan des Travaux de Parachèvement de l’Agence d’Angora (Working drawings for the completion of the Ankara Office) (1895) Plan de Construction de l’Agence à Ada Bazar (Construction plans for the Ottoman Public Debt Office in Adapazari) (1896) Sanctuaires Byzantins (Byzantine Sanctuaries) L’Art Islamique dans le Vilayet de Brousse (18 cartes et croquis) (Islamic Art in the Bursa Vilayet (18 cards and sketches) L’Art Islamique en Orient (première partie) ou Vieilles Faïences Turques (36 dessins), première édition : Alttürkishe Keramik, (Islamic Art in the East (part one) or Ancient Turkish Faience (36 drawings), first edition: Alttürkishe Keramik, Published by Apollo, Bologna, 1923, (with an introduction by Charles Wulzinger, 36 drawings (40 Plates) printed by Schulz on behalf of Librairie Raymond (bookshop) (Péra, Constantinople); second edition printed in France in Montauban. A large book planned to be the first of a set of three books with the general title L’Art Islamique en Orient (Islamic Art in the East). L’Art Islamique en Orient (deuxième partie) ou Fragments d’Architecture Religieuse et Civile (Islamic Art in the East (part two) or Fragments of Religious and Civil Architecture) printed in Prague, 1924, 52 CMY drawings, Librairie Raymond, oriental art and archaeology publications, Péra – Constantinople – Dedicated to Charles Richard Crane with a preface by the author dated 15 July 1923.
Sources: en.wikipedia.org
It is a synthetic peptide built from 44 amino acids arranged in the same order as human growth hormone-releasing hormone. A short fatty-acid chain, described as a trans-3-hexenoyl group, is attached to the first amino acid. The finished molecule is formulated as a sterile powder that is dissolved before use.
No. It is a releasing-factor analog that signals the pituitary gland to secrete growth hormone, whereas recombinant growth hormone is the hormone itself administered directly. The two are chemically distinct and act at different points in the same endocrine pathway. This distinction is often lost in informal discussion.
Native growth hormone-releasing hormone is broken down within minutes by dipeptidyl peptidase-4 in the bloodstream. Adding the hexenoyl group at the N-terminus shields the peptide from that enzyme. The modification does not change the receptor it targets, only how long the peptide survives in circulation.
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.