The short version of WADA prohibited list fits in a sentence. The long version — which is the one that helps — is below.
Reviewed 2025-11-21. Anything still debated is marked as such rather than presented as settled.
Detection of AOD-9604 in biological samples relies on analytical techniques capable of distinguishing a small synthetic peptide from related endogenous sequences. Liquid chromatography coupled with tandem mass spectrometry is commonly used for confirmatory analysis. Sample preparation may involve immunoaffinity enrichment or solid-phase extraction to concentrate the peptide. Because the molecule is small and may be present at low concentrations, assay sensitivity and specificity are ongoing analytical challenges. Laboratories also validate methods against reference materials when available.
Regulatory interest in AOD-9604 increased after high-profile anti-doping cases involving peptide products. In some cases, the substance was supplied under alternative names or in compounded preparations, complicating traceability. Sports tribunals and anti-doping panels have discussed whether the peptide was explicitly banned at the time of use, leading to clarifications by the World Anti-Doping Agency. For consumers and researchers, the legal status can vary by jurisdiction, and products marketed as research chemicals may lack independent quality verification.
AOD-9604 is a synthetic peptide whose sequence matches the C-terminal fragment of human growth hormone, specifically residues 176 through 191. This region differs from the full hormone in its receptor interactions. The peptide is not a growth hormone secretagogue and does not bind the growth hormone receptor in the same manner. Researchers have examined it for effects on lipid metabolism, but its exact pharmacological profile remains an active area of study.
Development of AOD-9604 began in the 1990s as scientists sought to isolate metabolic effects of growth hormone without its growth-promoting actions. Early laboratory work focused on fat cells and animal models. Several human trials followed, examining changes in body composition and fat mass. Results have been mixed, and the peptide has not progressed to widespread clinical approval. Interest continues in research settings, particularly regarding its mechanism and potential metabolic targets.
| Property | Value | Notes |
|---|---|---|
| Regulatory status | Prohibited in sport | Listed by WADA under peptide hormones |
| WADA class | S2 | Peptide hormones, growth factors, related substances, and mimetics |
| Approved therapeutic use | Not established | Clinical research did not lead to broad marketing approval |
| Common detection method | LC-MS/MS | Liquid chromatography-tandem mass spectrometry |
| Sample preparation | Extraction and enrichment | Immunoaffinity or solid-phase extraction may be used |
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.
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.
Several names appear in scientific and commercial settings. AOD9604 and AOD-9604 are development codes used interchangeably, while hGH fragment 176-191 describes the same region. The peptide includes a disulfide bond between two cysteine residues, which helps shape its three-dimensional structure. Different suppliers may provide acetate or other salt forms, and purity can vary. These differences matter because analytical tests and biological assays can respond to the specific form being studied.
Early interest in AOD-9604 centered on whether a fragment of human growth hormone could influence fat metabolism without the broader effects of the full hormone. Cell and animal studies reported changes in fat storage and breakdown. Human trials followed, but the results were not strong enough to secure regulatory approval. The compound remains available for laboratory research, and its clinical potential is still described as uncertain. Studies continue to examine its activity and safety profile.
Quality control for AOD-9604 involves verifying identity, purity, and concentration. Suppliers may provide a certificate of analysis listing HPLC purity and mass spectrometry data. Independent verification is advised because peptide products can vary in quality. Researchers should check for counterions, residual solvents, and microbial contamination. Proper documentation supports reproducibility and safety in laboratory studies. When sourcing, institutions often require third-party testing and detailed chain-of-custody records. These steps help ensure that experimental results are attributable to the peptide rather than impurities.
Analytical characterization of AOD-9604 typically employs reversed-phase high-performance liquid chromatography (RP-HPLC) to assess purity and identity. Mass spectrometry provides confirmation of molecular mass, while amino acid analysis can verify composition. These methods are standard for peptide research chemicals. Because the peptide lacks a distinct chromophore, detection often relies on ultraviolet absorbance at 214 nm or mass spectrometric response. Laboratories may also use capillary electrophoresis for separation. For example, size-exclusion chromatography can detect aggregates.
Stability of AOD-9604 depends on storage conditions. Lyophilized powder is generally more stable than reconstituted solution. Recommended storage is typically at -20°C or lower, protected from light and moisture. Repeated freeze-thaw cycles can cause aggregation or degradation. In solution, the peptide may be susceptible to hydrolysis or oxidation, so aliquoting and cold storage are common practices. Researchers often add stabilizers such as mannitol or trehalose during lyophilization to improve shelf life.
Mixed by producer Paul Northfield and engineered by Terry Brown, it is a three-disc live album featuring recorded performances from the band's Counterparts, Test For Echo, and A Farewell to Kings tours, dedicated to the memory of Selena and Jacqueline. After a time of grief and recovery, and while visiting longtime Rush photographer Andrew MacNaughton in Los Angeles, Peart was introduced to his future wife, photographer Carrie Nuttall, and they married on September 9, 2000. In 2001, Peart decided to return to Rush.
This is a shortened version of the third chapter of the ICD-9: Endocrine, Nutritional and Metabolic Diseases, and Immunity Disorders. It covers ICD codes 240 to 279. The full chapter can be found on pages 145 to 165 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1. Both volumes can be downloaded for free from the website of the World Health Organization.
Guided bone regeneration is similar to guided tissue regeneration, but is focused on development of hard tissues in addition to the soft tissues of the periodontal attachment. At present, guided bone regeneration is predominantly applied in the oral cavity to support new hard tissue growth on an alveolar ridge to allow stable placement of dental implants. When bone grafting is used in conjunction with sound surgical technique, guided bone regeneration is a reliable and validated procedure.
Sources: en.wikipedia.org
Spectroscopy measures the interaction of the molecules with electromagnetic radiation. Spectroscopy consists of many different applications such as atomic absorption spectroscopy, atomic emission spectroscopy, ultraviolet-visible spectroscopy, X-ray fluorescence spectroscopy, infrared spectroscopy, Raman spectroscopy, nuclear magnetic resonance spectroscopy, photoemission spectroscopy, Mössbauer spectroscopy, and circular dichroism spectroscopy.
When the process is applied to food and the water is evaporated and removed, the food can be stored for long periods without spoiling. It is also used when boiling a substance at normal temperatures would chemically change the consistency of the product, such as egg whites coagulating when attempting to dehydrate the albumen into a powder. This process was invented by Henri Nestlé in 1866, of Nestlé Chocolate fame, although the Shakers were already using a vacuum pan before that (see condensed milk). This process is used industrially to make such food products as evaporated milk for milk chocolate and tomato paste for ketchup.
After pressure from the Department of Justice and after more than 1,000 churches said they would reopen, Newsom announced that churches would be allowed to open at 25% capacity. On April 9, 2021, the Supreme Court ruled against Newsom for a fifth and final time regarding his prohibitions and limits on religious gatherings. In a 5-4 decision, the court ruled that California unfairly singled out religious gatherings for restrictions and struck down the remaining restrictions on at-home religious gatherings. As the state opened up, the Los Angeles Times found that new coronavirus hospitalizations in California began accelerating around June 15 at a rate not seen since early April, immediately after the virus began rapidly spreading in the state. On June 18, Newsom made face coverings mandatory for all Californians in an effort to reduce COVID-19's spread. Enforcement was up to business owners, as local law enforcement agencies saw non-compliance as a minor infraction. By the end of June, Newsom had ordered seven counties to close bars and nightspots and recommended that eight other counties take action on their own to close those businesses due to a surge of coronavirus cases in parts of the state. In a regular press conference on July 13 as he was ordering the reinstatement of the shutdown of bars and indoor dining in restaurants, he said, "We're seeing an increase in the spread of the virus, so that's why it's incumbent upon all of us to recognize soberly that COVID-19 is not going away any time soon until there is a vaccine or an effective therapy".
Sources: en.wikipedia.org
Carbohydrate metabolism is the whole of the biochemical processes responsible for the metabolic formation, breakdown, and interconversion of carbohydrates in living organisms. Carbohydrates are central to many essential metabolic pathways. Plants synthesize carbohydrates from carbon dioxide and water through photosynthesis, allowing them to store energy absorbed from sunlight internally. When animals and fungi consume plants, they use cellular respiration to break down these stored carbohydrates to make energy available to cells. Both animals and plants temporarily store the released energy in the form of high-energy molecules, such as adenosine triphosphate (ATP), for use in various cellular processes. While carbohydrates are essential to human biological processes, consuming them is not essential for humans. There are healthy human populations that do not consume carbohydrates. In humans, carbohydrates are available directly from consumption, from carbohydrate storage, or by conversion from fat components including fatty acids that are either stored or consumed directly.
It included industrial workers and smallholders, broad middle class (including both the agrarian and urban middle classes), as well as entrepreneurs, civil servants and clerics, and lastly a small but influential group of Catholic aristocracy. The uniting element of the factions of the Centre Party was commitment to Political Catholicism. The party also urged union with Austria. The party had a left wing, represented by politicians such as Constantin Fehrenbach, Matthias Erzberger, Joseph Wirth, as well as Catholic workers' associations and trade unions, led by the Centre's laborist politicians such as Adam Stegerwald. Left-wing factions of the Centre Party were committed to republicanism and pressured the Zentrum to officially identify itself as a pro-republican party; however, the party instead adopted a vague label of being a "constitutional party", which was "ready to collaborate with any legal government". The leftists of the Centre Party also promoted cooperation with the SPD and advised Weimar Catholics to join the Reichsbanner; some left-wing Centre factions were also supportive of cooperation with right-wing nationalist trade unions on pragmatic basis. Along with "republican-democratic" wings of the party, the Centre Party also had socialist factions.
Age-Related Changes in Expression and Activity of Human Hepatic Mitochondrial Glutathione Transferase Zeta1. Zhong G, James MO, Smeltz MG, Jahn SC, Langaee T, Simpson P, Stacpoole PW. Drug Metab Dispos. 2018 Aug;46(8):1118-1128. doi: 10.1124/dmd.118.081810. Epub 2018 May 31. PMID: 29853471 Free PMC article. Glutathione transferase zeta1 (GSTZ1) catalyzes glutathione (GSH)-dependent dechlorination of dichloroacetate (DCA), an investigational drug with therapeutic potential in metabolic disorders and cancer. ...In samples from livers with the GSTZ1C variant, apparent enzyme kin … Phase 1 trial of dichloroacetate (DCA) in adults with recurrent malignant brain tumors. Dunbar EM, Coats BS, Shroads AL, Langaee T, Lew A, Forder JR, Shuster JJ, Wagner DA, Stacpoole PW. Invest New Drugs. 2014 Jun;32(3):452-64. doi: 10.1007/s10637-013-0047-4. Epub 2013 Dec 3. PMID: 24297161 Free PMC article. Clinical Trial. All subjects completing at least 1 four week cycle remained clinically stable during this time and remained on DCA for an average of 75.5 days (range 26-312). CONCLUSIONS: Chronic, oral DCA is feasible and well-tolerated in patients with recurrent malignant gliomas …
== Structure == Thermolysin has a molecular weight of 34,600 Da. Its overall structure consists of two roughly spherical domains with a deep cleft running across the middle of the molecule separating the two domains. The secondary structure of each domain is quite different, the N-terminal domain consists of mostly beta pleated sheet, while the C-terminal domain is mostly alpha helical in structure. These two domains are connected by a central alpha helix, spanning amino acids 137–151. In contrast to many proteins that undergo conformational changes upon heating and denaturation, thermolysin does not undergo any major conformational changes until at least 70 °C. The thermal stability of members of the TLP family is measured in terms of a T50 temperature. At this temperature incubation for 30 minutes reduces the enzymes activity by half. Thermolysin has a T50 value of 86.9 °C, making it the most thermo stable member of the TLP family. Studies on the contribution of calcium to thermolysin stability have shown that upon thermal inactivation a single calcium ion is released from the molecule. Preventing this calcium from originally binding to the molecule by mutation of its binding site, reduced thermolysin stability by 7 °C. However, while calcium binding makes a significant contribution to stabilising thermolysin, more crucial to stability is a small cluster of N-terminal domain amino acids located at the proteins surface. In particular a phenylalanine (F) at amino acid position 63 and a proline (P) at amino acid position 69 contribute significantly to thermolysin stability.
Sources: en.wikipedia.org
Yes, the World Anti-Doping Agency classifies AOD-9604 as a prohibited peptide hormone and related substance. Its use by athletes is banned under the relevant anti-doping code.
Confirmatory detection typically uses liquid chromatography with mass spectrometry. Immunoassays may be used for screening, but mass spectrometry provides structural confirmation.
No widely approved therapeutic indication exists for AOD-9604. It has been investigated in clinical studies, but regulatory approvals for general medical use are not established.
AOD-9604 is a synthetic peptide fragment of human growth hormone, corresponding to amino acids 176-191. It is studied for potential effects on fat metabolism, but it is not approved as a drug in most countries. Its exact mechanism remains under investigation.