This is a working overview of AOD-9604, written for readers who want more than a one-paragraph summary but less than a textbook.
Reviewed 2026-08-01. Anything still debated is marked as such rather than presented as settled.
AOD-9604 drew attention in the 1990s and 2000s as a potential anti-obesity agent. Early work explored both injectable and oral routes, which is unusual for a peptide of this size. Animal studies reported changes in fat metabolism without the growth-promoting or insulin-like effects associated with full-length growth hormone. Subsequent human trials produced mixed or modest results, and the compound did not obtain regulatory approval for weight management in major markets. It remains known mainly through research literature, sports anti-doping listings, and non-approved supplement advertising.
AOD-9604 is prohibited in sport by the World Anti-Doping Agency under the peptide hormone class. Its presence in a sample can be detected through mass spectrometry-based methods, although the exact assay depends on the laboratory. In research settings, material is often supplied as a lyophilized powder for reconstitution. Buyers and researchers should note that products labeled AOD-9604 may vary in purity and actual peptide content. Analytical certificates and independent testing are common ways to verify identity, but no global harmonized standard exists for all commercial lots.
Commercial AOD-9604 may vary in purity, counterion content, and residual moisture. Certificates of analysis often report HPLC purity, mass confirmation, and appearance, but testing methods differ between suppliers. Independent verification is sometimes used because labeled content may not match actual peptide amount. Stability under different pH and temperature conditions is not fully standardized across studies. Researchers generally treat lyophilized material as the reference form for weighing and reconstitution. Moisture content can affect accurate mass measurement.
AOD-9604 is typically supplied as a lyophilized white to off-white powder. In this form, it is relatively stable when kept cool, dry, and protected from light. Common storage recommendations place it at −20 °C or below for long-term retention. Reconstituted solutions are less stable and are often kept at 2–8 °C for short periods. Freeze-thaw cycles should be minimized because they can promote aggregation or loss of peptide content. Vials are usually sealed under inert gas to reduce oxidation.
Identity and purity are commonly checked with reversed-phase high-performance liquid chromatography and mass spectrometry. RP-HPLC separates the peptide from related impurities and can estimate purity by peak area. Mass spectrometry confirms molecular mass and helps detect sequence variants or truncations. Some laboratories use amino acid analysis or peptide mapping for additional characterization. No single method proves biological activity; these techniques establish chemical identity and purity only. They also require suitable reference standards for confident comparison.
| Property | Value | Notes |
|---|---|---|
| Molecular class | Synthetic peptide | Fragment analog of human growth hormone |
| Sequence basis | hGH 176–191 region | Modified C-terminal fragment |
| Common synonyms | AOD-9604; AOD9604; hGH fragment | Research and trade names vary |
| Regulatory status | Not approved as a drug | Prohibited in competitive sport |
| Research code | AOD9604 | Used in scientific and patent literature |
Researchers have studied the fragment in cell and animal models to understand its metabolic actions. Some experiments report effects on fat breakdown and fat storage pathways, but the underlying mechanism remains incompletely defined. AOD-9604 does not appear to stimulate the same broad growth hormone receptor signaling as full-length hGH. Whether its observed activities arise from direct receptor interactions or downstream metabolic changes is an open question. Results from different assays are not always consistent.
AOD-9604 is a synthetic peptide modeled on the C-terminal region of human growth hormone. It corresponds to residues 176-191 of the 191-amino-acid hGH sequence. The fragment is not the full hormone and lacks the receptor-binding region associated with growth and metabolic effects of hGH. Researchers developed it to isolate a specific portion of hGH for study. Its exact sequence and length are often stated in peptide catalogs and patents.
Regulatory treatment of AOD-9604 has varied. In sports anti-doping, the peptide became widely discussed during a 2013 investigation into an Australian professional sports club. Authorities at the time debated whether it fell under prohibitions on growth hormone and related substances. Later clarifications and updated lists have addressed the compound in different ways. Anyone seeking current status should consult the latest applicable rules, and commercial supply for human use is not authorized in major markets.
Research interest in AOD-9604 often focuses on whether it can influence lipid metabolism without the growth-promoting or glucose-related effects of full-length hGH. This question remains unresolved, and findings depend on model, dose, and measurement method. Some reviews treat the peptide as a historical obesity candidate rather than an active therapeutic. Others cite it in discussions of peptide fragments, metabolic signaling, and performance-enhancing substances. Clear conclusions are limited by the small number of rigorous, independent human studies.
AOD-9604 has been investigated primarily as a potential treatment for obesity and related metabolic conditions. Early laboratory work examined its effects on fat cells, and later studies moved into animal models and human clinical trials. Some trials reportedly reached Phase II, but the program did not lead to an approved medicine. Published summaries often note that weight-loss results were modest or inconsistent. The full trial data are not all publicly available in detail.
dropping point The temperature at which a grease changes from a semi-solid to a liquid state under standardized conditions, i.e. the upper limit at which the grease retains its structure, though not necessarily the maximum temperature at which it can be used.
England and Wales Annabel Sarah Jane Berry, lately Superintendent, Hampshire Constabulary. Jason Richard Davies, Assistant Chief Constable, South Wales Police. Ian John Dawson, lately Assistant Chief Constable, Lancashire Constabulary. Andrew James Duignan, lately Detective Constable, Merseyside Police. Karen Ross Findlay, Temporary Commander, Metropolitan Police Service. Christopher James Flanagan, lately Detective Inspector, South Yorkshire Police. Matthew William Gosling, Detective Chief Inspector, Metropolitan Police Service. Kam Hare, Inspector, Greater Manchester Police. Laura Catherine Elizabeth Hart, Special Chief Inspector, Merseyside Police. Natalie Horner, Detective Constable, Durham Constabulary. Paul Joseph Martin Keasey, Superintendent, Gloucestershire Constabulary. Edward James Ough, lately Superintendent, South Wales Police. John Price, Sergeant, West Midlands Police. Hayley Jenny Annette Sewart, Detective Chief Superintendent, Metropolitan Police Service. Benjamin Daniel Snuggs, Deputy Chief Constable, Thames Valley Police. Amanda Jane Stephenson, Detective Inspector, Metropolitan Police Service. Matthew Wesley Ward, Deputy Assistant Commissioner, Metropolitan Police Service. Owen Robert Weatherill, lately Assistant Chief Constable, Hertfordshire Constabulary and National Police Co-ordination Centre. Scotland Faroque Hussain, Temporary Assistant Chief Constable, Police Service of Scotland. Carol McGuire, Chief Superintendent, Police Service of Scotland. Stephanie Rose, Police Constable, Police Service of Scotland.
"On the basis of creativity, and research and development, JEOL (日本電子) positively challenges the world’s highest technology thus forever contributing to the progress in both science and human society through its products." In commemoration of JEOL's 20th anniversary, the Kazato Research Foundation was created to support electron microscopy research. Kenji Kazato retired as president of JEOL in 1975, but continued to act as an adviser to the company until his death in 2012. Kazuo Ito was JEOL's president from 1982 to 1987. The Pittcon Heritage Award was posthumously awarded to them in 2016 for their contributions to scientific instrumentation. In 2014, a STEM resolution of 45 pm with a 300 kV microscope was first demonstrated with the atomic transmission electron microscope JEM-ARM300F.
The grant proposal was turned over for peer review, and one of the reviewers was Steven Jones of Brigham Young University. Jones had worked for some time on muon-catalyzed fusion, a known method of inducing nuclear fusion without high temperatures, and had written an article on the topic entitled "Cold nuclear fusion" that had been published in Scientific American in July 1987. Fleischmann and Pons and co-workers met with Jones and co-workers on occasion in Utah to share research and techniques. During this time, Fleischmann and Pons described their experiments as generating considerable "excess energy", in the sense that it could not be explained by chemical reactions alone. They felt that such a discovery could bear significant commercial value and would be entitled to patent protection. Jones, however, was measuring neutron flux, which was not of commercial interest. To avoid future problems, the teams appeared to agree to publish their results simultaneously, though their accounts of their 6 March meeting differ.
== Plot == Mumbai Police Commissioner Aditya Arunachalam kills gangsters in the city in police encounters. His behaviour received widespread condemnation, and the National Human Rights Commission of India decided to act against him. One of the panellists on the commission, a former friend of Aditya, discovers the murder of his daughter Valli sparked his killing spree. Past: A minister assigns Aditya to Mumbai as the new Commissioner to curb the rampant drug trafficking and prostitution in the city. Upon arriving in Mumbai, he rescues three kidnapped women, one of whom is the daughter of the Deputy Chief Minister of Maharashtra. Sensing an opportunity, Aditya uses the kidnapped women as an excuse to initiate a campaign against the city's drug trafficking and prostitution rings. His efforts are highly successful; the police arrest numerous drug dealers and child traffickers. Among the arrested is Ajay Malhotra, the son of influential industrialist Vinod Malhotra, who attempts to bail out Ajay, but Aditya refuses bail. Aditya, seeking Ajay's testimony on his involvement in drug smuggling, visits him in prison and discovers a proxy in his place. He asks the state and central governments to investigate and discovers the officials assigned to Ajay's case work for Vinod. Through a covert investigation, Aditya learns Ajay is hiding in Bangkok and has the Royal Thai Police arrest him on passport fraud charges. Corrupt diplomats on Vinod's payroll falsely declare Ajay imprisoned in India, which leads to his release from Thai custody.
Sources: en.wikipedia.org
=== Factors other than glucose that affect A1c === Lower-than-expected levels of HbA1c can be seen in people with shortened red blood cell lifespans, such as with glucose-6-phosphate dehydrogenase deficiency, sickle-cell disease, or any other condition causing premature red blood cell death. Other variant hemoglobins, such as HbF or HbE, may have different glycation characteristics or respond differently in a HbA1c test. For these patients, alternate assessment with fructosamine or glycated albumin is recommended; these methods reflect glycemic control over the preceding 2–3 weeks. In a blood donor, donation will result in loss of mature RBCs and their rapid replacement with newly formed red blood cells. Since these new RBCs will have only existed for a short period of time, their presence will lead HbA1c to underestimate the actual average levels. There may also be distortions resulting from blood donation during the preceding two months, due to an abnormal synchronization of the age of the RBCs, resulting in an older than normal average blood cell life (resulting in an overestimate of actual average blood glucose levels). Conversely, higher-than-expected levels can be seen in people with a longer red blood cell lifespan, such as with iron deficiency. Results can be unreliable in many circumstances, for example after blood loss, after surgery, blood transfusions, anemia, or high erythrocyte turnover; in the presence of chronic renal or liver disease; after administration of high-dose vitamin C; or erythropoetin treatment. Hypothyroidism can artificially raise the A1c.
hydroxylation Proline residues may be hydroxylated at either of two atoms, as can lysine (at one atom). Hydroxyproline is a critical component of collagen, which becomes unstable upon its loss. The hydroxylation reaction is catalyzed by an enzyme that requires ascorbic acid (vitamin C), deficiencies in which lead to many connective-tissue diseases such as scurvy. methylation Several protein residues can be methylated, most notably the positive groups of lysine and arginine. Arginine residues interact with the nucleic acid phosphate backbone and commonly form hydrogen bonds with the base residues, particularly guanine, in protein–DNA complexes. Lysine residues can be singly, doubly and even triply methylated. Methylation does not alter the positive charge on the side chain, however. acetylation Acetylation of the lysine amino groups is chemically analogous to the acetylation of the N-terminus. Functionally, however, the acetylation of lysine residues is used to regulate the binding of proteins to nucleic acids. The cancellation of the positive charge on the lysine weakens the electrostatic attraction for the (negatively charged) nucleic acids. sulfation Tyrosines may become sulfated on their
== Mechanism == FSN and traditional acupuncture may both share the same mechanism of action in terms of the measurable or physiological effects they relate on the body. The described effects of FSN on the body are by means of mechanotransduction as the swaying of the needle reportedly triggers a response on the connective tissue, specifically the collagen fibers by stimulating signal transduction and gene expression in fibroblasts of the subcutaneous tissue. A drawing or magnetic effect on connective tissue has been observed upon needle manipulation as the contraction and shape changes of fibroblasts cause pulling of collagen fibers and secondary alignment of fibroblasts and collagen fibers. During manipulation of the needle, collagen fibers would wind and tighten around the needle shaft, and dispersing of nociceptive substances and PH balance has also been observed in skeletal muscles. As collagen fibers are most abundant in the subcutaneous layer, this may explain why FSN exhibits a more immediate effect than traditional acupuncture in relieving muscle dysfunction as the FSN comes into contact with more connective tissue during needle manipulation.
== Proliferative == Proliferative glomerulonephritis is characterised by an increased number of cells in the glomerulus. These forms usually present with a triad of blood in the urine, decreased urine production, and hypertension, the nephritic syndrome. These forms usually progress to end-stage kidney failure (ESKF) over weeks to years (depending on type).
The tanning process involves chemical and organic compounds that can have a detrimental effect on the environment. Agents such as chromium, vegetable tannins, and aldehydes are used in the tanning step of the process. Chemicals used in tanned leather production increase the levels of chemical oxygen demand and total dissolved solids in water when not disposed of responsibly. These processes also use large quantities of water and produce large amounts of pollutants. Boiling and sun drying can oxidize and convert the various chromium(III) compounds used in tanning into carcinogenic hexavalent chromium, or chromium(VI). This hexavalent chromium runoff and scraps are then consumed by animals, in the case of Bangladesh, chickens (the nation's most common source of protein). Up to 25% of the chickens in Bangladesh contained harmful levels of hexavalent chromium, adding to the national health problem load. Chromium is not solely responsible for these diseases. Methylisothiazolinone, which is used for microbiological protection (fungal or bacterial growth), causes problems with the eyes and skin. Anthracene, which is used as a leather tanning agent, can cause problems in the kidneys and liver and is also considered a carcinogen. Formaldehyde and arsenic, which are used for leather finishing, cause health problems in the eyes, lungs, liver, kidneys, skin, and lymphatic system and are also considered carcinogens. The waste from leather tanneries is detrimental to the environment and the people who live in it.
Sources: en.wikipedia.org
However, if the basement membrane is ruined at the wound site, reepithelization must occur from the wound margins and from skin appendages such as hair follicles and sweat and oil glands that enter the dermis that are lined with viable keratinocytes. If the wound is very deep, skin appendages may also be ruined and migration can only occur from wound edges. Migration of keratinocytes over the wound site is stimulated by lack of contact inhibition and by chemicals such as nitric oxide. Before they begin to migrate, cells must dissolve their desmosomes and hemidesmosomes, which normally anchor the cells by intermediate filaments in their cytoskeleton to other cells and to the ECM. Transmembrane receptor proteins called integrins, which are made of glycoproteins and normally anchor the cell to the basement membrane by its cytoskeleton, are released from the cell's intermediate filaments and relocate to actin filaments to serve as attachments to the ECM for pseudopodia during migration. Thus keratinocytes detach from the basement membrane and are able to enter the wound bed. Before they begin migrating, keratinocytes change shape, becoming longer and flatter and extending cellular processes like lamellipodia and wide processes that look like ruffles. Actin filaments and pseudopodia form. During migration, integrins on the pseudopod attach to the ECM, and the actin filaments in the projection pull the cell along. The interaction with molecules in the ECM through integrins further promotes the formation of actin filaments, lamellipodia, and filopodia.
== Discoidin domain receptors == Discoidin domain receptors form a subgroup of receptor tyrosine kinases. Receptor activation happens when collagen binds into preformed DDR dimers on cell membrane, when collagen is bound, a conformational change probably occurs, which causes cytosolic kinases to rotate to face each other, and their autophosphorylation. The exact way of receptor activation is unknown so far. Unlike other tyrosine-kinase receptors, maximal activation of receptors occurs 18 hours after collagen stimulation. They function as receptors for different collagen types, they recognize many fibrillar collagens and they are capable of binding some nonfibrillar collagens as well. Nevertheless, the native conformation of collagen is a requirement for receptor binding, denatured collagen is not bound. DDRs are expressed widely already during development and level of expression is high in adults as well. DDR1 is a homodimer. Its ectodomain consists of a collagen-binding discoidin domain followed by ~200 residues of unknown structure. It binds fibril-forming collagens and primarily type IV collagen, but also collagen of types I, VI, VIII. It is expressed mainly in epithelial cells and leukocytes and expression rate changes due to cell cycle phase. Functions include: mammary gland development; arterial wound repair; regulation of cell proliferation, cell adhesion and MMP expression; kidney function, differentiation and function of leukocytes. DDR2 structure as above. Binds fibril-forming collagens, collagen of types I, II, III and X.
== External links == "einsteinium (Es) - chemical element". Britannica.com. Retrieved 23 May 2017. "mendelevium (Md) - chemical element". Britannica.com. Retrieved 23 May 2017. "synthetic elements". Encyclopedia2.thefreedictionary.com. Retrieved 23 May 2017. "It's Elemental - The Element Fermium". Education.jlab.org. Retrieved 23 May 2017. Kulkarni, Mayuri (15 June 2009). "A Complete List of Man-made Synthetic Elements". ScienceStuck. Retrieved 15 May 2019.
=== Pharmacodynamics === Tandospirone acts as a potent and selective 5-HT1A receptor partial agonist, with a Ki affinity value of 27 ± 5 nM and approximately 55 to 85% intrinsic activity. It has relatively weak affinity for the 5-HT2A (1,300 ± 200), 5-HT2C (2,600 ± 60), α1-adrenergic (1,600 ± 80), α2-adrenergic (1,900 ± 400), D1 (41,000 ± 10,000), and D2 (1,700 ± 300) receptors, and is essentially inactive at the 5-HT1B, 5-HT1D, β-adrenergic, and muscarinic acetylcholine receptors, serotonin transporter, and benzodiazepine allosteric site of the GABAA receptor (all of which are > 100,000). There is evidence of tandospirone having low but significant antagonistic activity at the α2-adrenergic receptor through its active metabolite 1-(2-pyrimidinyl)piperazine (1-PP). Tandospirone has been found to produce antiaggressive effects in rodents. It has been found to increase oxytocin levels in rodents.
Sources: en.wikipedia.org
No. It is a synthetic peptide fragment modeled on part of human growth hormone, not the full hormone. It does not contain the complete sequence or receptor-binding regions of hGH.
It was investigated in clinical trials for obesity, but it did not receive approval for that use in major markets. Results were generally modest or mixed, and it remains an experimental compound.
WADA lists it as a prohibited peptide hormone. Its use can be detected by laboratory methods, and athletes are subject to sanctions if it is found in samples.
Lyophilized powder is commonly stored at −20 °C or below, protected from light and moisture. Reconstituted solutions are typically kept refrigerated and used within a limited period.