Everything below concerns Stenabolic. We keep the language plain, cite what the science says, and separate well-supported claims from open questions.
Updated 2025-11-29. Numbers and descriptions here follow the published literature rather than marketing material.
SR9009 is a synthetic small molecule studied as an agonist of REV-ERB nuclear receptors. REV-ERB alpha and REV-ERB beta help regulate circadian rhythms and metabolic gene expression. In laboratory research, SR9009 has been used to probe how these receptors affect skeletal muscle, liver, and adipose tissue. The compound was identified in academic drug-discovery work and is often described in scientific literature by its chemical name and research code. It is not an approved medicine, and human clinical data remain limited or absent.
SR9009 binds REV-ERB receptors and alters their repressive activity on target genes. This action can change transcription of genes involved in lipid handling, glucose metabolism, and mitochondrial function. In rodent studies, treated animals have shown changes in muscle oxidative capacity and exercise performance, though effects vary by dose, duration, and model. The precise molecular steps connecting receptor binding to whole-body outcomes are still an active area of investigation. Findings in animals do not automatically translate to humans.
Because REV-ERB receptors are core clock components, SR9009 has been examined for effects on daily rhythms as well as metabolism. Research has explored whether the compound can shift or reinforce circadian gene expression in tissues such as liver and muscle. Some studies report improved metabolic markers in obese or diabetic mice, while others show context-dependent responses. Questions remain about which effects are direct, which are secondary to timing, and how they might differ across species.
At the molecular level, SR9009 binds the ligand-binding domain of REV-ERB and strengthens recruitment of corepressor proteins such as NCoR and HDAC3. This increases repression of target genes, including Bmal1 and other clock-controlled and metabolic genes. In rodent studies, such changes have been linked to altered lipid handling, glucose metabolism, and energy expenditure. The precise chain of events between receptor binding and whole-body effects remains an active area of research. Findings in animals do not automatically translate to humans.
Laboratory studies often administer SR9009 by injection because oral absorption appears poor in rodents. Reported pharmacokinetic properties include rapid metabolism and low systemic exposure after oral dosing. Human pharmacokinetic data are sparse, so absorption, distribution, metabolism, and excretion in people are not well defined. Some research explores related REV-ERB compounds with improved drug-like properties. Regulatory approval for any REV-ERB agonist as a human medicine has not been granted to date.
| Property | Value | Notes |
|---|---|---|
| Chemical class | Synthetic REV-ERB agonist | Small-molecule nuclear receptor ligand |
| Appearance | Off-white to pale yellow solid | Typical for research-grade powder |
| Solubility class | Soluble in DMSO; low water solubility | Common stock solutions use organic solvent |
| Typical stock solvent | Dimethyl sulfoxide | Used for laboratory assays |
| Common analytical method | HPLC with UV or mass detection | Used for identity and purity checks |
SR9009 stability depends on temperature, moisture, light, and solvent. Solid material is generally kept cool and dry, while solutions may require protection from repeated warming and cooling. Degradation can appear as color changes, precipitate, or new chromatographic peaks. Researchers should follow supplier instructions and their own stability data. Long-term storage conditions for human use have not been established because the compound lacks approved clinical formulation.
SR9009 is supplied as a solid research chemical, often in milligram quantities. Laboratories typically weigh it in a controlled environment because fine powders can disperse. Stock solutions are commonly prepared in dimethyl sulfoxide and stored in small aliquots to reduce freeze-thaw cycles. Personal protective equipment and chemical fume hoods are standard when handling unknown or potent compounds. These practices address laboratory safety rather than human use.
Identity and purity of SR9009 samples are usually checked with chromatographic and spectrometric methods. High-performance liquid chromatography can separate the compound from related impurities, while mass spectrometry provides molecular mass confirmation. Nuclear magnetic resonance spectroscopy may be used for structural verification in research settings. No single method proves biological activity, and certificates of analysis should be reviewed alongside raw data. Independent testing is often needed because online products vary widely.
Several misconceptions surround SR9009. It is often described as a SARM, a steroid, or an exercise pill, but its known target is the REV-ERB receptor family. Rodent studies have examined exercise capacity and metabolic markers, yet human outcomes remain unproven. Oral bioavailability appears low in animals, and human pharmacokinetics are not well characterized. Online products may contain impurities or different compounds, so identity and purity testing are important for research use.
Analytical chemists detect SR9009 with liquid chromatography-tandem mass spectrometry, commonly abbreviated LC-MS/MS. Sample preparation may involve protein precipitation, liquid-liquid extraction, or solid-phase extraction before analysis. Laboratories can target the parent compound or its metabolites, depending on the matrix and the purpose of testing. Anti-doping methods require sensitive and specific assays because concentrations in biological samples can be low. Reference standards and validated methods are essential for reliable identification and quantification.
Analytical identification and purity assessment often use high-performance liquid chromatography with ultraviolet detection or mass spectrometry. Liquid chromatography–tandem mass spectrometry is used to detect and quantify SR9009 in biological matrices, including urine and blood, for anti-doping or pharmacokinetic studies. Nuclear magnetic resonance spectroscopy can confirm molecular structure. Stability depends on form and storage: the solid is generally more stable than solutions, and repeated freeze–thaw cycles may degrade samples. Purity is typically reported as a percentage from a certificate of analysis.
Regulatory treatment of SR9009 varies by country and context. It is not approved as a therapeutic drug by agencies such as the United States Food and Drug Administration or the European Medicines Agency. Sports authorities list it as a prohibited substance; the World Anti-Doping Agency classifies it among hormone and metabolic modulators. Legal status for personal possession or sale differs across jurisdictions, and some countries may restrict it under analog or research chemical laws. Buyers who seek verified material often rely on independent laboratory testing because online product labels may not match contents.
Laboratory samples of SR9009 are typically handled as research chemicals rather than pharmaceuticals. Suppliers usually state that the material is for research use only and not for human or veterinary administration. Storage recommendations generally call for a freezer at approximately −20 °C, protection from light, and a desiccated environment. The solid is often described as a white to off-white powder. Solubility is commonly reported in organic solvents such as dimethyl sulfoxide and ethanol, with low solubility in water.
Britain was irritated by several French actions following the Treaty of Amiens. Bonaparte annexed Piedmont and Elba, made himself President of the Italian Republic, a state in northern Italy that France had set up, and failed to evacuate Holland, as it had agreed to do in the treaty. France then continued to interfere with British trade despite peace having been made and complained about Britain harbouring certain individuals and not cracking down on the anti-French press. Malta was captured by Britain during the war and was subject to a complex arrangement in the 10th article of the Treaty of Amiens, where it was to be restored to the Knights of St. John with a Neapolitan garrison and placed under the guarantee of third powers. The weakening of the Knights of St. John by the confiscation of their assets in France and Spain along with delays in obtaining guarantees prevented the British from evacuating it after three months as stipulated in the treaty.
==== MeSH D06.472.040 – adrenal cortex hormones ==== MeSH D06.472.040.502 – 17-ketosteroids MeSH D06.472.040.502.112 – androstenedione MeSH D06.472.040.502.195 – androsterone MeSH D06.472.040.502.497 – estrone MeSH D06.472.040.502.583 – etiocholanolone MeSH D06.472.040.502.620 – dehydroepiandrosterone MeSH D06.472.040.502.620.300 – dehydroepiandrosterone sulfate MeSH D06.472.040.585 – hydroxycorticosteroids MeSH D06.472.040.585.353 – 11-hydroxycorticosteroids MeSH D06.472.040.585.353.118 – aldosterone MeSH D06.472.040.585.353.237 – corticosterone MeSH D06.472.040.585.353.476 – hydrocortisone MeSH D06.472.040.585.353.500 – 18-hydroxycorticosterone MeSH D06.472.040.585.353.825 – tetrahydrocortisol MeSH D06.472.040.585.478 – 17-hydroxycorticosteroids MeSH D06.472.040.585.478.195 – cortisone MeSH D06.472.040.585.478.225 – cortodoxone MeSH D06.472.040.585.478.392 – hydrocortisone MeSH D06.472.040.585.478.782 – tetrahydrocortisol MeSH D06.472.040.585.478.865 – tetrahydrocortisone MeSH D06.472.040.585.611 – desoxycorticosterone MeSH D06.472.040.585.611.400 – 18-hydroxydesoxycorticosterone MeSH D06.472.040.585.745 – pregnenolone MeSH D06.472.040.585.745.500 – 17-alpha-hydroxypregnenolone
Atinvicitinib is a veterinary medicinal product under investigation for the treatment of atopic dermatitis in dogs. Atinvicitinib is a selective Janus kinase (JAK) inhibitor, highly selective for Janus kinase 1 (JAK1). It inhibits the function of a variety of cytokines involved in itch and inflammation, as well as cytokines involved in allergy, that are dependent on JAK1 enzyme activity. Reduction of allergy mediated inflammation, which is dependent on JAK1 enzyme activity, leads to a reduction of inflammation associated white blood cell counts (within the reference range).
=== Permeability and barrier function === Sulcular epithelium functions primarily as a protective barrier that lines the soft tissue of the gingival sulcus. This key characteristic is achieved due to the presence of tight junctions (TJs) and adherens junctions (AJs). (Figure 2)
Sources: en.wikipedia.org
It was estimated in 2017 that nearly one in three persons globally had at least one form of malnutrition: wasting, stunting, vitamin or mineral deficiency, overweight, obesity, or diet-related noncommunicable diseases. Undernutrition is more common in developing countries. Stunting is more prevalent in urban slums than in rural areas. Studies on malnutrition have the population categorised into different groups including infants, under-five children, children, adolescents, pregnant women, adults and the elderly population. The use of different growth references in different studies leads to variances in the undernutrition prevalence reported in different studies. Some of the growth references used in studies include the National Center for Health Statistics (NCHS) growth charts, WHO reference 2007, Centers for Disease Control and Prevention (CDC) growth charts, National Health and Nutrition Examination Survey (NHANES), WHO reference 1995, Obesity Task Force (IOTF) criteria and Indian Academy of Pediatrics (IAP) growth charts. In 2023, an estimated 28.9 percent of the global population – 2.33 billion people – were moderately or severely food insecure.
== Function == 3-hydroxyisobutyrate dehydrogenase is a tetrameric mitochondrial enzyme that catalyzes the NAD+-dependent, reversible oxidation of 3-hydroxyisobutyrate, an intermediate of valine catabolism, to methylmalonate semialdehyde.
The body or shaft of the penis is the free portion of the human penis that is located outside of the pelvic cavity. It is the suspended middle portion of the organ, continuous proximally with the internal root and distally with the glans. Unlike the root, the body contains no muscle, consisting mostly of the corpora cavernosa, the corpus spongiosum and the spongy urethra, together with supporting skin, connective tissue, blood and lymphatic vessels and fascia. The corpora cavernosa are intimately bound to one another with a dorsally fenestrated septum, which becomes a complete one before the penile crura. The body of the penis is homologous to the female clitoral body.
==== Ion exchange ==== Ion exchange is a reversible ion exchange process in which an insoluble substance (resin) takes ions from an electrolytic solution and releases additional ions of the same charge in a chemically comparable amount without changing the resin's structure.
Mamadou Diallo Sory - Former minister of Justice Maman Sambo Sidikou - former Ambassador Nigerien to the United States, United Nations secretary-general's special representative for the Democratic Republic of the Congo and head of the U.N. peacekeeping mission there, MONUSCO, high representative of the African Union for Mali and the Sahel. Abdoulaye Diori Kadidiatou Ly - jurist, former president of the Constitutional Court of Niger. Abdou Sidikou - former minister of foreign affairs, Niger. Yaou Sangaré Bakary - former ambassador to China, Minister of Foreign Affairs. Bouli Ali Diallo - academic and activist, Niger. Achta Djibrine Sy former Minister of Commerce and Industry, Chad. Banata Tchale Sow - economist, former chief of staff, Chad. Hindou Oumarou Ibrahim- environmental activist and geographer. Coordinator Association of Peul Women and Autochthonous People of Chad (AFPAT) and Co-director Pavilion of World Indigenous People, Chad Mariam Boni Diallo - first female foreign minister, Benin Republic. Ali Darassa – leader of the Central African rebel group, the Union for Peace in the Central African Republic (UPC) a self-defense force. Al-Amin Abu-Manga, linguist and professor at the University of Khartoum Ali Mohamed Issah Salou Jules Hamidou Habib Habibou Hassan Diallo
Sources: en.wikipedia.org
Advanced characterization of bacterial organisms can be also performed, allowing to obtain the necessary depth and breadth of coverage for genetic characterization results. Gene calling can be performed in a variety of ways, including RAST or using NCBI services at the time of full genome submission. Results of multiple annotation tools can be compared for accuracy and completeness and, if necessary, merged using BEACON. For characterization of antibiotic resistance genes, the Resistance Gene Identifier from the Comprehensive Antibiotic Resistance Database (CARD) is commonly used. To characterize virulence factor genes, ShortBRED offers analyses with a customized database from the Virulence Factor Database.
In another array synthesis, Still generated a large library of oligopeptides by split synthesis. The drawback to making many thousands of compounds is that it is difficult to determine the structure of the formed compounds. Their solution is to use molecular tags, where a tiny amount (1 pmol/bead) of a dye is attached to the beads, and the identity of a certain bead can be determined by analyzing which tags are present on the bead. Despite how easy attaching tags makes identification of receptors, it would be quite impossible to individually screen each compound for its receptor binding ability, so a dye was attached to each receptor, such that only those receptors that bind to their substrate produce a color change. When many reactions need to be run in an array (such as the 96 reactions described in one of Armstrong's MCC arrays), some of the more tedious aspects of synthesis can be automated to improve efficiency. This work, the "DIVERSOMER method" was pioneered at Parke-Davis in the early 1990s to run up to 40 chemical reactions in parallel. These efforts led to the first commercially available equipment for combinatorial chemistry (the Diversomer synthesizer sold by Chemglass) and the first use of liquid handling robotics within a chemistry laboratory.
Opium was widely used for food, medicine, ritual, and as a painkiller throughout ancient civilizations including Greece, Egypt, and Islamic societies up to medieval times. The production methods have not significantly changed since ancient times. Through selective breeding of the Papaver somniferum plant, the content of the phenanthrene alkaloids morphine, codeine, and to a lesser extent thebaine has been greatly increased. In modern times, much of the thebaine, which often serves as the raw material for the synthesis for oxycodone, hydrocodone, hydromorphone, and other semisynthetic opiates, originates from extracting Papaver orientale or Papaver bracteatum. In preparation for the Second World War, the U.S. Army contracted farmers in the State of Sinaloa, Mexico, to grow opium crops. This was to provide morphine (the gold standard of analgesia) for injured soldiers. Modern opium production, once widely prohibited, still involves large-scale cultivation—especially in Afghanistan—where it is harvested by scoring poppy pods to collect latex used for both illicit drugs and legal medicines, with recent Taliban-led reductions cutting cultivation in Afghanistan by over 95%. For the illegal drug trade, the morphine is extracted from the opium latex, reducing the bulk weight by 88%. It is then converted into heroin which is almost twice as potent.
=== Pregnancy and breastfeeding === If needed in pregnancy, adequate human studies are lacking, therefore the drug should be given in pregnant women only if clearly indicated. It may cause hypotonia in the newborn if given closely before delivery.
Regulation In B. subtilis, this pathway is regulated by a two-component system: DesK and DesR. DesK is a membrane-associated kinase and DesR is a transcriptional regulator of the des gene. The regulation responds to temperature; when there is a drop in temperature, this gene is upregulated. Unsaturated fatty acids increase the fluidity of the membrane and stabilize it under lower temperatures. DesK is the sensor protein that, when there is a decrease in temperature, will autophosphorylate. DesK-P will transfer its phosphoryl group to DesR. Two DesR-P proteins will dimerize and bind to the DNA promoters of the des gene and recruit RNA polymerase to begin transcription. Pseudomonas aeruginosa In general, both anaerobic and aerobic unsaturated fatty acid synthesis will not occur within the same system, however Pseudomonas aeruginosa and Vibrio ABE-1 are exceptions. While P. aeruginosa undergoes primarily anaerobic desaturation, it also undergoes two aerobic pathways. One pathway utilizes a Δ9-desaturase (DesA) that catalyzes a double bond formation in membrane lipids. Another pathway uses two proteins, DesC and DesB, together to act as a Δ9-desaturase, which inserts a double bond into a saturated fatty acid-CoA molecule. This second pathway is regulated by repressor protein DesT. DesT is also a repressor of fabAB expression for anaerobic desaturation when in presence of exogenous unsaturated fatty acids. This functions to coordinate the expression of the two pathways within the organism.
Sources: en.wikipedia.org
SR9009 is a synthetic research compound that acts on REV-ERB nuclear receptors. It is not approved for human use and is sold only as a research chemical. Its effects have been studied mainly in cells and rodents.
It binds REV-ERB alpha and REV-ERB beta and changes the expression of genes tied to metabolism and circadian rhythm. These changes can affect mitochondria and energy use in animal models. The exact chain from receptor binding to physiological outcome is still being mapped.
No reliable human trials show that SR9009 improves athletic performance. Some rodent studies report endurance changes, but these results are not proof of human benefit. Its use in sport is prohibited, and quality and safety data are lacking.
SR9009 is a synthetic research compound that activates the REV-ERBα and REV-ERBβ nuclear receptors. It is not an approved drug and has no established human therapeutic use. Most published biological data come from cell and rodent studies.