If you have been reading about GHRH analog and want a single page that covers the useful parts, this is it: definitions, context, how it is studied, and the questions that come up repeatedly.
Updated 2026-05-12. Numbers and descriptions here follow the published literature rather than marketing material.
Several compounds share the GHRH framework, including sermorelin, the shorter 1-29 fragment, and other analogs built on the full 1-44 chain. Naming follows a common convention: a stem that identifies the peptide plus a suffix marking analog status. Reports may describe tesamorelin by its sequence fragment, as a GHRH(1-44) analog, or by its amino-terminal modification. Indexing the compound therefore requires searching all of these forms, since some older literature predates the current international nonproprietary name.
Tesamorelin is a synthetic peptide built from 44 amino acids and classified with the growth hormone–releasing hormone family. Its sequence corresponds to the human GHRH(1-44) backbone, carrying one structural change at the amino terminus. That change is a trans-3-hexenoyl group placed where the natural peptide would have an unmodified end. The modification is the feature that separates the compound from the endogenous hormone in name, in stability, and in how it is handled in the laboratory.
The hexenoyl cap slows the enzyme step that trims the amino terminus of native GHRH, the same step that shortens its active lifetime in circulation. As a result, the modified peptide persists longer in plasma than the unmodified hormone in side-by-side comparison. Receptor activity stays broadly comparable, because the added group sits away from the residues that contact the binding site. This combination, preserved receptor activity with reduced degradation, explains why the analog was developed instead of the native sequence.
Tesamorelin binds to growth hormone-releasing hormone receptors on the surface of pituitary somatotroph cells. This binding activates adenylate cyclase, raising intracellular cyclic AMP levels and triggering the release of growth hormone into circulation. The elevated growth hormone then stimulates hepatic production of insulin-like growth factor 1. Because the effect is mediated through the endogenous axis, secretion remains subject to feedback regulation. This distinguishes it from direct growth hormone administration, which bypasses pituitary control entirely.
Clinical investigation has focused on HIV-associated lipodystrophy, a condition in which antiretroviral therapy contributes to abnormal fat distribution. Excess visceral adipose tissue accumulates in the abdomen while peripheral fat may be lost. Tesamorelin was evaluated for reducing this visceral fat depot, with trials measuring changes in abdominal fat by imaging rather than by body weight alone. The rationale rests on the known lipolytic effects of growth hormone. Effects on visceral fat are documented, while long-term outcomes regarding cardiovascular risk remain less clearly established.
| Property | Value | Notes |
|---|---|---|
| Chemical class | Synthetic peptide | GHRH analog family |
| Residue count | 44 amino acids | Matches human GHRH(1-44) backbone |
| N-terminal group | trans-3-hexenoyl | Main structural difference from native hormone |
| Appearance | White to off-white powder | Lyophilized solid form |
| Solubility class | Freely soluble in water | Peptide character; less soluble in organic solvents |
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。
Omeprazole was first made in 1979 by Swedish AB Hässle, part of Astra AB. It was the first of the proton pump inhibitors (PPI). Astra AB, now AstraZeneca, launched it as an ulcer medicine under the name Losec in Sweden. It was first sold in the United States in 1989 under the brand name Losec. In 1990, at the request of the US Food and Drug Administration, the brand name Losec was changed to Prilosec to avoid confusion with the diuretic Lasix (furosemide). The new name led to confusion between omeprazole (Prilosec) and fluoxetine (Prozac), an antidepressant. Prilosec is owned by Procter & Gamble in alliance with AstraZeneca and the product is designed to address frequent heartburn, which can be triggered by various factors such as certain foods, stress, and smoking. Prilosec was first introduced in 1989 as a prescription medication approved by the FDA for the treatment of severe heartburn. In 2003, Prilosec OTC was launched as the first over-the-counter option for managing frequent heartburn. It is known for its advertising campaign featuring Larry the Cable Guy as the spokesperson for the brand, during the 2010s, emphasizing the concept of "Zero Heartburn".
== Trade names == Several companies have attempted to trademark particular strains, and as a marketing technique, have invented scientific-sounding names for the strains. Danone (Dannon in the United States) markets the subspecies strain DN 173 010 as Bifidus Digestivum (UK), Bifidus Regularis (US and Mexico), Bifidobacterium Lactis or B.L. Regularis (Canada), DanRegularis (Brazil), Bifidus Actiregularis (Argentina, Austria, Belgium, Bulgaria, Chile, Czech Republic, France, Germany, Greece, Hungary, Israel, Italy, Kazakhstan, Netherlands, Portugal, Romania, Russia, South Africa, Spain and the UK), and Bifidus Essensis in the Middle East (and formerly in Hungary, Bulgaria, Romania and The Netherlands) through Activia from Safi Danone KSA. One notable example involved Danone’s attempt to enforce a trademark on an invented probiotic strain name. Danone held a trademark for “Bifidus Essensis”, which it used in marketing its Activia products, and sued Glanbia after the launch of Yoplait “Essence” products in the Irish market, claiming trademark infringement. In 2007, the Irish Commercial Court ruled against Danone, finding that the “Essensis” trademark had not been genuinely used as a product brand in the relevant market and ordering its revocation in that context. Chr. Hansen A/S from Denmark has a similar claim on a strain of Bifidobacterium animalis subsp. lactis, marketed under the trademark BB-12. Lidl lists "Bifidobacterium BB-12" in its "Proviact" yogurt. Bifidobacterium lactis Bl-04 and Bi-07 are strains from DuPont's Danisco FloraFIT range.
=== Mixtures === Typically, supercritical fluids are completely miscible with each other, so that a binary mixture forms a single gaseous phase if the critical point of the mixture is exceeded. However, exceptions are known in systems where one component is much more volatile than the other, which in some cases form two immiscible gas phases at high pressure and temperatures above the component critical points. This behavior has been found in systems such as N2-NH3, NH3-CH4, SO2-N2 and n-butane-H2O.. The systems composed by a supercritical fluid and a liquid are named Gas expanded liquids. The critical point of a binary mixture can be estimated as the arithmetic mean of the critical temperatures and pressures of the two components,
Some research has been carried out to improve the efficacy of commercial incandescent lamps. In 2007, General Electric announced a high efficiency incandescent (HEI) lamp project, which they claimed would ultimately be as much as four times more efficient than current incandescents, although their initial production goal was to be approximately twice as efficient. The HEI program was terminated in 2008 due to slow progress. US Department of Energy research at Sandia National Laboratories initially indicated the potential for dramatically improved efficiency from a photonic lattice filament. However, later work indicated that initially promising results were in error. Prompted by legislation in various countries mandating increased bulb efficiency, hybrid incandescent bulbs have been introduced by Philips. The Halogena Energy Saver incandescents can produce about 23 lm/W; about 30 percent more efficient than traditional incandescents, by using a reflective capsule to reflect formerly wasted infrared radiation back to the filament, from which some is re-emitted as visible light. This concept was pioneered by Duro-Test in 1980 with a commercial product that produced 29.8 lm/W. More advanced reflectors based on interference filters or photonic crystals can theoretically result in higher efficiency, up to a limit of about 270 lm/W (40% of the maximum efficacy possible). Laboratory proof-of-concept experiments have produced as much as 45 lm/W, approaching the efficacy of compact fluorescent bulbs which is still lower than LED bulbs.
Sources: en.wikipedia.org
Foot ulcers in diabetes require a multidisciplinary team that may include the primary care doctor, a diabetes nurse specialist, a tissue viability nurse, podiatrists, vascular surgeons, diabetes specialists and surgeons. An aim to improve glycemic control, if poor, may slow disease progression. When osteomyelitis is suspected to be involved in the foot, but not evidenced on an x-ray, an MRI scan should be obtained. In those with a high likelihood of osteomyelitis, a combination of x-ray and being able to probe to bone can reliably diagnose osteomyelitis without the need for more advanced imaging. A bone biopsy with culture is the gold standard for diagnosing osteomyelitis. With regards to infected foot ulcers, the presence of microorganisms is not in itself enough to determine whether an infection is present. Signs of an infection, such as erythema, purulence, fluctuance, swelling, warmth, or discharge, should also be present. The most common organism causing infection is staphylococcus. The treatment consists of debridement, appropriate bandages, managing peripheral arterial disease and appropriate use of antibiotics (against pseudomonas aeruginosa, staphylococcus, streptococcus and anaerobe strains), and arterial revascularization if necessary.
== Further reading == Aziz, Nusrate; Asadullah, M Niaz (2017). "Military spending, armed conflict and economic growth in developing countries in the post–Cold War era". Journal of Economic Studies. 44 (1): 47–68. Bartel, Fritz (2022). The Triumph of Broken Promises: The End of the Cold War and the Rise of Neoliberalism. Harvard University Press. ISBN 9780674976788. Henriksen, Thomas H. (2017). Cycles in US Foreign Policy Since the Cold War. Palgrave Macmillan. Jones, Bruce D.; Stedman, Stephen John (2017). "Civil Wars & the Post–Cold War International Order". Dædalus. 146 (4): 33–44. Menon, Rajan; Rumer, Eugene B., eds. (2015). Conflict in Ukraine: The Unwinding of the Post–Cold War Order. MIT Press. Peterson, James W. (2017). Russian-American relations in the post–Cold War world. Oxford UP. Sakwa, Richard (2017). Russia against the Rest: The Post–Cold War Crisis of World Order. Cambridge UP. p. 362. Wood, Luke B. (2017). "The politics of identity and security in post–Cold War Western and Central Europe". European Politics and Society. 18 (4): 552–556.
== Production == Aerated chocolate containing large bubbles is produced via two methods. In the first, melted chocolate is put under a vacuum, where it foams up. As the chocolate cools, and the fats within the chocolate set, the foam structure remains. Sometimes gases such as carbon dioxide are introduced into the mixture before it is placed under the vacuum. Although the method easily permits inclusions such as nougat or nuts, the production is labor-intensive and difficult to keep hygienic. As a result, the second method is more frequently used: working gases into liquid, tempered chocolate under high pressure. Carbon dioxide is mainly used, although others include nitrous oxide. Air is avoided, as oxygen causes chocolate to become rancid. Any gases that do not dissolve are dispersed as bubbles through the chocolate using a beater. As the chocolate is released from the high pressure conditions, the bubbles expand, foaming the product; through this, the amount of pressure directly impacts bubble size. The setting chocolate is deposited in a moulded shell, after which the set interior is capped with liquid tempered chocolate. Factors that affect bubble size include qualities of chocolate, such as viscosity and the rate of setting. The ingredients used, such as emulsifiers and milk fats also impact bubble size; other factors include type of gas and how much pressure is applied. Micro-aerated chocolate is created using the method of beating gases in under high pressure.
While there is a lack of geochemical observations to constrain the exact composition of the prebiotic atmosphere, recent models point to an early "weakly reducing" atmosphere; that is, early Earth's atmosphere was likely dominated by CO2 and N2 and not CH4 and NH3 as used in the original Miller–Urey experiment. This is explained, in part, by the chemical composition of volcanic outgassing. Geologist William Rubey was one of the first to compile data on gases emitted from modern volcanoes and concluded that they are rich in CO2, H2O, and likely N2, with varying amounts of H2, sulfur dioxide (SO2), and H2S. Therefore, if the redox state of Earth's mantle — which dictates the composition of outgassing – has been constant since formation, then the atmosphere of early Earth was likely weakly reducing, but there are some arguments for a more-reducing atmosphere for the first few hundred million years. While the prebiotic atmosphere could have had a different redox condition than that of the Miller–Urey atmosphere, the modified Miller–Urey experiments described in the above section demonstrated that amino acids can still be abiotically produced in less-reducing atmospheres under specific geochemical conditions.
Glass, soap, sugar, paper and chemical industries also developed along the Avon valley. Edmund Burke was elected as Whig Member of Parliament for Bristol in 1774 and campaigned for free trade, Catholic emancipation and the rights of the American colonists, but he angered his merchant sponsors with his detestation of the slave trade and lost the seat in 1780. Anti-slavery campaigners, inspired by Non-conformist preachers such as John Wesley, started some of the earliest campaigns against the practice. Prominent local opponents of both the trade and the institution of slavery itself included Anne Yearsley, Hannah More, Harry Gandey, Mary Carpenter, Robert Southey, William Wordsworth and Samuel Coleridge. The campaign itself proved to be the beginning of movements for reform and women's emancipation.
Sources: en.wikipedia.org
=== High school, early criminal activity, military service === Marrow moved to the Crenshaw District of Los Angeles when he was in the eighth grade. He attended Palms Junior High, which was predominantly made up of white students, and included black students who traveled by bus from South Central to attend. He then attended Crenshaw High School, which was almost entirely made up of black students. Marrow stood out from most of his friends because he did not drink alcohol, smoke tobacco, or use drugs. During Marrow's time in high school, gangs became more prevalent in the Los Angeles school system. Students who belonged to the Crips and Bloods gangs attended Crenshaw, and fought in the school's hallways. Marrow, while never an actual gang member, was affiliated with the former. Marrow began reading the novels of Iceberg Slim, which he memorized and recited to his friends, who enjoyed hearing the excerpts and told him, "Yo, kick some more of that by Ice, T", giving Marrow his nickname. Marrow and other Crips wrote and performed "Crip Rhymes". His music career started with the band of the singing group The Precious Few of Crenshaw High School. Marrow and his group opened the show, dancing to a live band. The singers were Thomas Barnes, Ronald Robinson and Lapekas Mayfield. In 1975, at the age of seventeen, Marrow began receiving Social Security benefits resulting from the death of his father and used the money to rent an apartment for $90 a month. He sold cannabis and stole car stereos to earn extra cash, but he was not making enough to support his pregnant girlfriend.
=== Brady === In February 2019, the trial of Mikel Brady was scheduled for October 7, 2019, making Brady the first of the four set to stand trial for the 2017 prison attack. On October 21, 2019, Brady was found guilty of all four counts of first degree murder and ten other lesser charges, including attempted escape, assault with a deadly weapon and arson. The offence of first degree murder carries a sentence of either life imprisonment without the possibility of parole or the death penalty under North Carolina state law. During the sentencing trial, the defence argued for Brady to be sentenced to life imprisonment, citing the details of Brady's troubled childhood and past medical history of his psychiatric conditions. Brady's lawyer, Thomas Manning, summarized Brady's childhood into a poem, "As the twig is bent, so goes the tree". On the other hand, the prosecution sought the death penalty, with District Attorney Andrew Womble citing the brutality of the attack and aggravating factors in the case. Womble also quoted that if the jury settled on life imprisonment, "it will be open season on corrections officers in this state." On October 28, 2019, 30-year-old Mikel Brady was sentenced to death upon the jury's unanimous recommendation for capital punishment, making Brady the 143rd inmate to be condemned to death row in North Carolina; a total of 142 inmates were held on death row in North Carolina at the time of Brady's sentencing. After he was sentenced to death, Brady was at first held on death row at the Central Prison in Raleigh, North Carolina.
== Frequency of use == Globally around 85 million units of red blood cells are transfused in a given year. The global demand is much higher and there is an unmet need for safe blood for transfusion in many low- and middle-income countries. In the United States, blood transfusions were performed nearly 3 million times during hospitalizations in 2011, making it the most common procedure performed. The rate of hospitalizations with a blood transfusion nearly doubled from 1997, from a rate of 40 stays to 95 stays per 10,000 population. It was the most common procedure performed for patients 45 years of age and older in 2011, and among the top five most common for patients between the ages of 1 and 44 years. According to the New York Times: "Changes in medicine have eliminated the need for millions of blood transfusions, which is good news for patients getting procedures like coronary bypasses and other procedures that once required a lot of blood." And, "Blood bank revenue is falling, and the decline may reach $1.5 billion a year this year [2014] from a high of $5 billion in 2008." In 2014, the Red Cross was predicting job losses as high as 12,000 within the next three to five years, roughly a quarter of the total in the industry. As of 2019, the trend of declining transfusions appeared to be stabilizing, with 10,852,000 RBC units transfused in the United States.
cisterna (pl.) cisternae Any of a class of flattened, membrane-bound vesicles or saccules of the smooth and rough endoplasmic reticulum and the Golgi apparatus. By traveling through one or more cisternae, each of which contains a distinct set of enzymes, newly created proteins and polysaccharides undergo chemical modifications such as phosphorylation and glycosylation, which are used as packaging signals to direct their transport to specific destinations within the cell.
Sources: en.wikipedia.org
No. It is a peptide that acts upstream of growth hormone release, while growth hormone is the hormone itself. The two differ in size, in receptor, and in how the body clears them.
It blocks the amino-terminal degradation step that limits native GHRH. The addition extends how long the peptide survives in plasma without removing its ability to activate the receptor.
The chain contains 44 amino acid residues. It matches the human GHRH(1-44) sequence apart from the amino-terminal modification.
It is a synthetic analog of growth hormone-releasing hormone, a hypothalamic peptide. It functions as a growth hormone secretagogue acting at pituitary receptors. The classification separates it from direct growth hormone products.