A practical reference on anti-doping: what it is, how it behaves, what the literature reports, and where the honest uncertainties sit.
This page was last updated on 2026-08-01 and is reviewed periodically as new material appears.
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 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.
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.
| Property | Value | Notes |
|---|---|---|
| Molecular class | Synthetic peptide | Based on the C-terminal region of human growth hormone. |
| Amino acid length | 16 residues | Often described as hGH fragment 176-191. |
| Appearance | Lyophilized powder | Typically white to off-white; exact appearance depends on grade. |
| Solubility | Soluble in water | Aqueous solubility depends on pH, ionic strength, and preparation. |
| Typical storage | -20 °C or lower | Lyophilized peptide is usually kept cold and dry; solutions may require freezing. |
After Cherokee removal on the Trail of Tears, the Cherokee Nation existed in Indian Territory. After the American Civil War, the United States promised the Cherokee Nation "a permanent homeland" in an 1866 treaty. In exchange, the Cherokee Nation (and the other four of the Five Civilized Tribes) gave the United States parts of its western territory that were then organized into Oklahoma Territory. Unlike most reservations, the Cherokee Nation owned fee simple title to its lands, and they were not held in trust by the United States. While the General Allotment Act had exceptions for the Five Tribes, later acts forced the Cherokee Nation to allot its reservation to members. In 1906, Congress enacted the Five Tribes Act which contemplated the dissolution of tribes, but also included a clause stating "the tribal existence and present tribal governments of [the Five Tribes] are hereby continued in full force and effect for all purposes authorized by law." In the early 20th century, courts interpreted the legislation as having dissolved tribal governments, but by the late 1970s courts shifted their interpretations to finding tribal government had never been disestablished.
== Trademark == The A&W trademarks are owned by A&W Trade Marks Limited Partnership. The Partnership licenses the trademarks to A&W Food Services of Canada Inc. in exchange for a royalty of 3% of the sales of A&W restaurants in Canada. A&W Food Services owns ~21% of A&W Trade Marks Inc. which is the sole general partner in the Partnership, while the rest is owned by A&W Revenue Royalties Income Fund.
Danith H. Ly is a Cambodian-American chemist and entrepreneur. He is a Professor of Chemistry at Carnegie Mellon University (CMU) and Founding Director of the Institute for Biomolecular Design and Discovery (IBD). His research focuses on nucleic acid chemistry, molecular recognition, and molecular engineering.
== Genome == An. gambiae s.s. genomes have been sequenced three times, once for the M strain, once for the S strain, and once for a hybrid strain. Currently, ~90 miRNA have been predicted in the literature (38 miRNA officially listed in miRBase) for An. gambiae s.s. based upon conserved sequences to miRNA found in Drosophila. Holt et al., 2002 and Neafsey et al., 2016 find transposable elements to be ~13% of the genome, similar to Drosophila melanogaster (also in Diptera). However they find the proportion of TE types to be very different from D. melanogaster with approximately the same composition of long terminal repeat retrotransposons, non-long terminal repeat retrotransposons and DNA transposons. These proportions are believed to be representative of the genus. The genetics and genomics of sex chromosomes have been discovered and studied by Windbichler et al., 2007 and Galizi et al., 2014 (a Physarum polycephalum homing endonuclease which destroys X chromosomes), Windbichler et al., 2008 and Hammond et al., 2016 (methods to reduce the female population), Windbichler et al., 2011 (trans from yeast), Bernardini et al., 2014 (a method to increase the male population), Kyrou et al., 2018 (a female necessary exon and a homing endonuclease to drive it), Taxiarchi et al., 2019 (sex chromosome dynamics in general) and Simoni et al., 2020 (an X chromosome destroying site specific nuclease). See § Gene drive below for their applications. An. gambiae has a high degree of polymorphism.
Sources: en.wikipedia.org
=== Infants === The normal range of AFP for adults and children is variously reported as under 50, under 10, or under 5 ng/mL. At birth, normal infants have AFP levels four or more orders of magnitude above this normal range, that decreases to a normal range over the first year of life. During this time, the normal range of AFP levels spans approximately two orders of magnitude. Correct evaluation of abnormal AFP levels in infants must take into account these normal patterns. Very high AFP levels may be subject to hooking (see tumor marker), which results in the level being reported significantly lower than the actual concentration. This is important for analysis of a series of AFP tumor marker tests, e.g. in the context of post-treatment early surveillance of cancer survivors, where the rate of decrease of AFP has diagnostic value.
===== Process ===== A large fraction of human tumor mutations are effectively patient-specific. Therefore, neoantigens may also be based on individual tumor genomes. Deep-sequencing technologies can identify mutations within the protein-coding part of the genome (the exome) and predict potential neoantigens. In mice models, for all novel protein sequences, potential MHC-binding peptides were predicted. The resulting set of potential neoantigens was used to assess T cell reactivity. Exome–based analyses were exploited in a clinical setting, to assess reactivity in patients treated by either tumor-infiltrating lymphocyte (TIL) cell therapy or checkpoint blockade. Neoantigen identification was successful for multiple experimental model systems and human malignancies. The false-negative rate of cancer exome sequencing is low—i.e.: the majority of neoantigens occur within exonic sequence with sufficient coverage. However, the vast majority of mutations within expressed genes do not produce neoantigens that are recognized by autologous T cells. As of 2015 mass spectrometry resolution is insufficient to exclude many false positives from the pool of peptides that may be presented by MHC molecules. Instead, algorithms are used to identify the most likely candidates. These algorithms consider factors such as the likelihood of proteasomal processing, transport into the endoplasmic reticulum, affinity for the relevant MHC class I alleles and gene expression or protein translation levels.
Officially, Portugal has 13 national, government-recognised holidays. Public holidays in Portugal are regulated by the Labour Code. Besides the national holidays, there are regional holidays celebrated only in Madeira and the Azores and two facultative holidays which are the Entrudo and one municipal holiday allowed per concelho. Unlike some official holidays, Portugal's folk festivities remain widely attended and are rooted in local traditions, such as the Carnival of Ovar, Lisbon's Marchas Populares, and Porto's Festa de São João. Many of folk festivities are associated with the Santos Populares, Christian celebrations with older pagan origins linked to Midsummer. These festivities are celebrated across the country, especially in rural areas, and typically include music performances, stages, temporary arenas, and traditional food stalls.
The type genus, Lilium (the lily), has a long history in literature and art, and a tradition of symbolism as well as becoming a popular female name, and a floral emblem, particularly of France (fleur-de-lis). The cultivation of lilies has been described since at least the ninth century, when Charlemagne ordered it to be grown at his imperial palaces. However, the name 'lily' has historically been applied to a wide variety of plants other than the genus Lilium. The lily appears in ancient literature associated with both sovereignty and virginal innocence, and is mentioned on a number of occasions in the Bible, such as the description in Solomon's Song of Songs (2, 1–2) "I am a rose of Sharon, a lily of the valleys. Like a lily among thorns is my darling among the young women" or the Gospel of Mathew (6, 28) "Consider the lilies of the field, how they grow; they toil not, neither do they spin" to represent beauty. Artistic representations can be found as far back as frescos from the second century BC, at Amnisos and Knossos. Early Christian churches, such as that of the Basilica of Sant' Apollinare in Classe were sometimes decorated with lilies. While predominantly depicted as white, those seen at Akrotiri are red lilies. The white lily has long been seen as a symbol of purity, coming to be associated with the Virgin Mary in the Middle Ages, from which came the name ‘Madonna lily’ (Lilium candidum). A well-known example is Leonardo da Vinci's Annunciation (1472–1475) in which the archangel Gabriel bears a Madonna lily. Other symbolic meanings include glory, love and birth.
gene expression The set of processes by which the information encoded in a gene is used in the synthesis of a gene product, such as a protein or a non-coding RNA, or otherwise made available to influence one or more phenotypes; both the product and the gene encoding it are then said to be expressed. Canonically, the first step is transcription, which produces a messenger RNA molecule complementary to the DNA molecule in which the gene is encoded. For protein-coding genes, the second step is translation, in which the messenger RNA is read by a ribosome to produce a polypeptide and ultimately a protein. The information contained within a DNA sequence need not necessarily be transcribed and translated to exert an influence on molecular events, however: broader definitions encompass a huge variety of other ways in which genetic information can be expressed.
Sources: en.wikipedia.org
It is a synthetic peptide based on a C-terminal fragment of human growth hormone. It is commonly referred to as hGH fragment 176-191 and is studied for metabolic effects rather than growth effects.
No. It represents only a short portion of the hGH sequence and lacks the full hormone's structure. As a result, its biological activity and regulatory status differ from those of prescription hGH.
The exact peptide is not typically described as a circulating hormone; it is a synthetic construct based on a natural sequence. Fragments of hGH can exist in laboratory or metabolic contexts, but AOD-9604 itself is manufactured for research.
No major medicines regulator appears to have approved AOD-9604 for human therapeutic use. It has been studied in clinical trials, but those programs did not result in a marketed drug.