WADA prohibited list is one of those subjects where the details matter more than the headlines. This page pulls together the background, the mechanisms, and the practical points readers ask about most.
Updated 2025-10-25. Numbers and descriptions here follow the published literature rather than marketing material.
Clinical development of AOD-9604 included trials in people with obesity. Reports from early-phase and mid-phase studies described modest or inconsistent changes in body weight. A phase IIb program did not meet its primary endpoint, and the compound was not approved for medical use. Differences in formulation, delivery route, and participant characteristics may explain some of the variation. Later investigations explored whether the peptide might have effects in other tissues, including cartilage.
Regulatory treatment of AOD-9604 is shaped by its classification as a peptide hormone. The World Anti-Doping Agency lists it as a prohibited substance, and many national anti-doping organizations adopt that list. It does not hold approval as a prescription medicine in the United States, the European Union, or other major markets. Products sold online are frequently labeled for research use only and may not undergo independent quality testing. Import and possession rules differ by country, so legal status depends on local law.
Proposed mechanisms for AOD-9604 focus on fat cells. Laboratory studies suggest the peptide can increase lipolysis, the breakdown of stored fat, and reduce lipogenesis, the formation of new fat. Unlike full human growth hormone, it does not appear to stimulate substantial IGF-1 production in the studies reported so far. Some evidence points to beta-adrenergic signaling, but the precise receptor targets and downstream pathways remain unresolved. The fragment is not thought to act through the classical growth hormone receptor.
Proposed mechanism focuses on lipolysis, the breakdown of stored triglycerides into free fatty acids and glycerol. AOD-9604 is thought to act on adipose tissue without stimulating appetite or affecting blood sugar in the same way as growth hormone. Laboratory studies report increased fat oxidation in some models. The precise receptor interactions and signaling pathways remain incompletely characterized. Researchers have proposed that the peptide may influence fat mobilization through pathways distinct from the full hormone.
Research has examined whether the peptide affects fat mass independently of growth hormone's other actions. Early animal studies suggested reductions in body fat, but species differences and small sample sizes limit interpretation. Human studies have generally been short and have not consistently shown large effects. Some trials measured body composition, lipid profiles, and safety parameters, but the overall picture is one of suggestive yet inconclusive metabolic activity. Findings vary across study populations and protocols.
| Property | Value | Notes |
|---|---|---|
| Typical storage temperature | -20 °C | Lyophilized peptide; protect from moisture and light. |
| Typical analytical method | HPLC and mass spectrometry | Used to confirm identity and estimate purity. |
| Common synonyms | AOD9604; hGH 176-191 | Naming varies by supplier and publication. |
| Disulfide bonds | One | Affects folded structure and stability. |
| Typical research purity | ≥95% | Value depends on supplier and analytical method. |
AOD-9604 is a synthetic peptide whose structure corresponds to a C-terminal segment of human growth hormone. It is often described as hGH fragment 176-191, a 16-amino-acid sequence. The peptide was designed to isolate a region of hGH associated with fat metabolism while avoiding the full hormone's growth-promoting actions. Laboratory and commercial materials typically present it as a lyophilized powder for research use. Its identity is defined by amino acid sequence, not by a single brand.
The fragment includes residues that can form an internal disulfide bond between two cysteine positions. This structural feature can influence how the peptide folds and how stable it is in solution. AOD-9604 differs from full-length hGH in size and receptor interactions; it does not contain the entire growth hormone sequence. Published descriptions sometimes use slightly different residue numbering, so sequence information should be checked against primary sources. The molecule is small compared with intact hGH, which affects analytical detection and purification approaches.
Interest in AOD-9604 arose from attempts to separate metabolic effects from growth effects attributed to hGH. Early work explored whether the fragment could influence lipolysis or fat oxidation without promoting growth. Those questions remain partly unresolved because human data are limited and results have varied across studies. The peptide is not a hormone replacement for hGH and is not equivalent to hGH in clinical use. Its research history includes both laboratory studies and commercial marketing claims that are not the same as regulatory approval.
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.
Identity and purity are usually assessed with reversed-phase high-performance liquid chromatography and mass spectrometry. Reversed-phase HPLC separates the peptide from related impurities and can estimate purity by ultraviolet absorbance, while mass spectrometry confirms the molecular mass and detects modifications. Peptide mapping, amino acid analysis, and disulfide mapping may be used when the sequence or disulfide arrangement must be verified. Because AOD9604 contains cysteine residues, oxidation and disulfide isomers are possible quality concerns in synthetic batches.
Quality varies among research-grade suppliers, so certificates of analysis and independent testing are important for verification. A typical certificate reports purity by HPLC, identity by mass spectrometry, appearance, and sometimes residual solvents or water content. AOD9604 is often sold as a research chemical not intended for human consumption, and labels can be inaccurate. Common misconceptions include treating the peptide as a form of growth hormone, assuming supplement status, or expecting approved-drug quality from unregulated products.
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 listed as a prohibited substance in sport by the World Anti-Doping Agency. It falls under the peptide hormones, growth factors, related substances, and mimetics class on the prohibited list. Anti-doping organizations treat its presence in an athlete's sample as an adverse finding unless a therapeutic use exemption applies. The prohibition reflects concerns about performance enhancement in competitive settings and the difficulty of distinguishing exogenous peptide use from endogenous hormone fragments.
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.
=== Reverse CAMP === The reverse CAMP test utilizes the synergetic hemolytic abilities of the CAMP factor produced by Streptococcus agalactiae with the α-toxin produced by Clostridium perfringens. Streaking these two organisms perpendicular to each other on a blood agar plate will yield a "bow-tie" clearing of the blood agar by the hemolytic capabilities of the two organisms' toxins. Incubation requires 24 hours at 37 °C.
Shortly thereafter another new scandal broke out, known as the "CESID papers", which forced the resignation of the vice president of the Narcís Serra government and the Minister of Defense Julián García Vargas. Faced with the accumulation of scandals, the leader of CiU and president of the Generalitat de Catalunya, Jordi Pujol, withdrew the parliamentary support of the CiU deputies to the government, leaving the latter in a minority in the Cortes. The president of the government Felipe González had no choice but to call general elections for March 1996. The People's Party won the elections ─ it obtained 156 deputies, 15 more than the PSOE ─ and thus achieved its goal of ousting the Socialists from power, "after trying hard for more than a decade".
"Chorionic gonadotropin+beta [HCG];Csv";"Csv-Chorionic gonadotropin+beta chain; arb.stofk.(IS 75/589)";Clinical Biochemistry Laboratory "alpha-1-Fotoprotein;Csv";"Csv-alpha-1-Fotoprotein; arb.stofk.";Clinical Biochemistry Laboratory "Tick-borne encephalitis virus antibody; arb.k.(list; proc.);Csv";Tick-borne encephalitis virus antibody; Clinical Microbiology Laboratory "Cerebrospinal fluid group;Csv";"Csv-Nucleated cell type; count(list)";Clinical Biochemistry Laboratory "Erythrocytes;Csv";"Csv-Erythrocytes; count";Clinical Biochemistry Laboratory "Nucleated cells;Csv";"Csv-Nucleated cells; count";Clinical Biochemistry Laboratory "Nucleated cells;Csv";"Csv-Nucleated cells; count";Clinical Biochemistry Laboratory "Leukocytes(mononuclear);Lkc(Csv)";"Csv-Mononuclear cells; count";Clinical Biochemistry Laboratory "Leukocytes(mononuclear);Lkc(Csv)";"Csv-Leukocytes(mononuclear); count";Clinical Biochemistry Laboratory "Leukocytes (polynucleus);Lkc(Csv)";"Csv-Leukocytes(polynucleus); count";Clinical Biochemistry Laboratory "Leukocytes (polynuclear);Lkc(Csv)";"Csv-Polynuclear cells; count";Clinical Biochemistry Laboratory "Neurofilament light polypeptide;Csv";Csv(cell-free);Neuroimmunology Laboratory "Glucose;Csv";"Csv-Glucose; substance c.";Clinical Biochemistry Laboratory Alternatively formatted list: The following analyses (Normal Order Name; Designation in the laboratory; Laboratory) can be performed on cerebrospinal fluid (CSF) samples.
Sources: en.wikipedia.org
Cone snails, or cones, are highly venomous sea snails that constitute the family Conidae. Conidae is a taxonomic family (previously subfamily) of predatory marine gastropod molluscs in the superfamily Conoidea. As of 2014, cone snails are the only member of the superfamily Conoidea. Some previous classifications grouped the cone snails in a subfamily, Coninae. As of March 2015 Conidae contained over 800 recognized species, varying widely in size from lengths of 1.3 cm to 21.6 cm. Working in 18th-century Europe, Carl Linnaeus knew of only 30 species that are still considered valid. Fossils of cone snails have been found from the Eocene to the Holocene epochs. Cone snail species have shells that are roughly conical in shape. Many species have colorful patterning on the shell surface. Cone snails are almost exclusively tropical in distribution. All cone snails are venomous and capable of stinging. Cone snails use a modified radula tooth and a venom gland to attack and paralyze their prey before engulfing it. The tooth, which is likened to a dart or a harpoon, is barbed and can be extended some distance out from the head of the snail at the end of the proboscis. Cone snail venoms are mainly peptide-based, and contain many different toxins that vary in their effects. The sting of several larger species of cone snails can be serious, and even fatal to humans. Cone snail venom also shows promise for medical use.
Speckionian Genio (スペキオン星人ジェニオ, Supekion Seijin Jenio): A mirror-themed criminal from Planet Speckion who possesses the ability to travel through and trap people in reflective surfaces and is charged with trapping over 1,000,000 people on 124 planets in his mirror world as his personal "works of art" and murdering Tetsu's parents after they inadvertently surprised him during an attempt to escape S.P.D. on Earth. Two years prior to the series, he was captured by Tetsu and eventually incarcerated in Prison Satellite Alcapo (監獄衛星アルカポ, Kangoku Eisei Arukapo) in solitary confinement and denied access to reflective surfaces. Despite this, Genio would become famous among other Alienizers and inspire criminals to outdo or impress him. In the present, Tetsu questions Genio about a rash of copycat crimes, with the latter revealing the culprit is Bolapeno in exchange for whether Tetsu remembered what his mother said at the time of her death to make him cry. Using Tetsu's tear, Genio escapes and returns to Earth to make Tetsu suffer further. However, Tetsu discovers how to free Genio's victims before deleting him. During the events of the crossover film Tokusou Sentai Dekaranger vs. Abaranger, Saunaginnan resurrects Genio, but the latter is deleted by Deka Blue, Green, and Break and Abare Blue. Genio is voiced by Keiichi Noda (野田 圭一, Noda Keiichi). Karakazian Don Sanoa (カラカズ星人ドンサノーア, Karakazu Seijin Sanōa): A shark-themed mass-murderer from Planet Karakaz and the head of the Space Mafia Zundaz Family (宇宙マフィア・ズンダーズファミリー, Uchū Mafia Zundāzu Famirī).
Concurrently, the Bureau of Longitude Studies and the Observatory were undertaking a comprehensive review of his extensive barometric and astronomical measurements. Furthermore, artists had been commissioned to commence the replication of his botanical sketches and illustrations of ancient Indian monuments. At this time, Napoleon Bonaparte was the only person in Europe with greater fame than Humboldt. Their sole meeting was unsuccessful, with Napoleon responding coldly, possibly viewing Humboldt as a politically suspect foreigner. Despite this, Napoleon granted a pension to Bonpland but later attempted to expel Humboldt from Paris on suspicion of espionage. Paris, despite political changes since Humboldt’s departure, was now the leading center of science, offering exceptional resources and collaborators. Humboldt chose to remain, preferring Paris’s intellectual and social environment over Berlin, which he considered unappealing. He immersed himself in work, organizing his extensive collections and distributing specimens to various institutions. Bonpland kept the most complete set of plant specimens, with other collections sent to major European botanical gardens. Humboldt’s dedication to processing and publishing his scientific findings required several years of intense effort. During their American expedition, Alexander von Humboldt and Aimé Bonpland encountered numerous challenges and hardships, many of which were described in Humboldt’s Voyage aux régions équinoxiales du Nouveau Continent and related works.
Sources: en.wikipedia.org
Jenny Pearce is the Professor of Young People and Public Policy at the University of Bedfordshire. Her research interests include the investigation of child sexual exploitation. She was a member of the original panel of the Independent Panel Inquiry into Child Sexual Abuse prior to the inquiry's reconstitution in January 2015. She is an Officer of the Order of the British Empire. Bedfordshire University has been awarded the Queen's Anniversary Prize for applied research on child sexual exploitation influencing new safeguarding policy and practice that she has led in her role as director of The International Centre, researching child sexual exploitation, violence and trafficking.
Although vitamin A was not confirmed as an essential nutrient and a chemical structure described until the 20th century, written observations of conditions created by deficiency of this nutrient appeared much earlier in history. Sommer classified historical accounts related to vitamin A and/or manifestations of deficiency as follows: "ancient" accounts; 18th- to 19th-century clinical descriptions (and their purported etiologic associations); early 20th-century laboratory animal experiments, and clinical and epidemiologic observations that identified the existence of this unique nutrient and manifestations of its deficiency.
Eight cysteines establish four disulfide bridges and a C-terminal tyrosine amide is present in the 55th position. Furthermore, TsPep2 sequence alignment shows that a part of the amino acid consensus sequence (CXXXKCCXC) involved in the pore blocking mechanism is present as in other known short scorpion toxins.
Sources: en.wikipedia.org
No. Major drug regulators have not approved AOD-9604 for weight loss or any other therapeutic indication. It remains an investigational compound studied in research settings.
The World Anti-Doping Agency classifies it as a prohibited peptide hormone. Athletes under anti-doping rules are not permitted to use it. Its presence can trigger a doping violation.
It is a fragment of growth hormone rather than a substance that signals the pituitary to release more hormone. Studies have not shown a consistent rise in IGF-1 or full growth hormone. Its metabolic effects, if any, appear separate from those of the complete hormone.
It is proposed to promote lipolysis in fat tissue, the breakdown of stored fat into fatty acids and glycerol. The detailed receptor and signaling mechanisms are not fully established.