The short version of SR9009 fits in a sentence. The long version — which is the one that helps — is below.
This page was last updated on 2026-08-01 and is reviewed periodically as new material appears.
Detection of SR9009 in biological samples usually employs liquid chromatography coupled with tandem mass spectrometry. This method can identify the parent compound and sometimes metabolites in urine or blood. Because exposure can be low and clearance may be rapid, sample timing and limits of detection matter. Laboratories validate assays for sensitivity and specificity. Results are interpreted alongside chain-of-custody and quality-control records. Urine is the common matrix for anti-doping analysis, while blood may be used in research settings.
Handling recommendations for SR9009 in a laboratory setting include storing the solid at low temperature, protected from light and moisture. The compound is often dissolved in dimethyl sulfoxide or ethanol for experiments. Solutions should be prepared with appropriate personal protective equipment and disposed of according to local rules. Stability data for long-term storage are limited, so stock solutions are typically kept cold and used within defined periods. Records of preparation date and concentration support reproducibility.
SR9009 is a synthetic small molecule developed as a REV-ERB agonist. It binds to REV-ERBα and REV-ERBβ, nuclear receptors that help regulate circadian rhythms and metabolic gene expression. In cell and animal studies, the compound alters lipid and glucose handling and influences skeletal muscle oxidative capacity. Its exact effects in humans remain largely uncharacterized because controlled clinical trials have not been reported. The molecule is frequently described in preclinical literature as a metabolic modulator.
Research interest in SR9009 grew from studies showing improved running endurance in mice after short treatment periods. Those experiments linked the compound to increased mitochondrial content and fatty acid oxidation in muscle, but the findings come from animal models and specific dosing schedules. Independent replication has been limited, and the pathways connecting REV-ERB activation to exercise performance are still being mapped. Whether similar responses occur in humans is an open question.
SR9009 is often grouped with compounds studied for circadian and metabolic regulation rather than with classical anabolic steroids. Its interactions with nuclear receptors differ from those of androgen receptor ligands, and its proposed mechanisms involve transcriptional control rather than direct hormone signaling. Some sources classify it as a metabolic modulator because of observed effects on energy utilization. The distinction matters for regulation and for interpreting research results across different compound classes.
| Property | Value | Notes |
|---|---|---|
| Regulatory status | Not approved as a medicine in major jurisdictions | Sold as a research chemical; legal status varies |
| Anti-doping status | Prohibited by the World Anti-Doping Agency | Listed under non-approved substances or related category |
| Typical analytical method | LC-MS/MS | Used for detection and confirmation in biological samples |
| Storage temperature | −20 °C or lower for solid | Desiccated and protected from light |
| Common solution solvents | DMSO; ethanol | Aqueous solubility is limited |
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.
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.
Laboratory testing of thyroid stimulating hormone (TSH) levels in the blood is considered the best initial test for hypothyroidism; a second TSH level is often obtained several weeks later for confirmation. Levels may be abnormal in the context of other illnesses, and TSH testing in hospitalized people is discouraged unless thyroid dysfunction is strongly suspected as the cause of the acute illness. An elevated TSH level indicates that the thyroid gland is not producing enough thyroid hormone, and free T4 levels are then often obtained. Measuring T3 in the assessment for hypothyroidism is discouraged by the American Association of Clinical Endocrinologists (AACE) and National Institute for Health and Care Excellence (NICE). NICE recommends routine T4 testing in children where clinically indicated, and in adults only if central hypothyroidism is suspected or the TSH is abnormal. There are several symptom rating scales for hypothyroidism; they provide a degree of objectivity but have limited use for diagnosis.
Born in Oklahoma and raised in Texas, he attended Washington University in St. Louis, where he double-majored in Biology and Drama. He acted in many plays and was a co-founder and active member of a student sketch comedy group called "The Kaktabulz".
=== Vomiting === The vomiting center in the medulla, called the area postrema, contains low concentrations of Substance P and its receptor, in addition to other neurotransmitters such as choline, histamine, dopamine, serotonin, and endogenous opioids. Their activation stimulates the vomiting reflex. Different emetic pathways exist, and Substance P/NK1R appears to be within the final common pathway to regulate vomiting.
Sources: en.wikipedia.org
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== History == Imetelstat is the first telomerase inhibitor to enter clinical trials. Chemically, imetelstat is a synthetic conjugate consisting of three parts: GRN163, a thio phosphoramide oligonucleotide, and a palmitoyl lipid group. GRN163 is the pharmacological component with telomerase inhibition based on experiments with poly-G oligonucleotides first conducted at the University of Nebraska Medical Center under contract with Lynx Therapeutics. The palmitic acid moiety is conjugated via a phosphothioate linkage to the backbone of the antisense oligonucleotide. Telomere shortening and lower cell viability are observed after inhibition of telomerase activity in vitro. IC50 values ranged from 50 to 200nM for 10 different pancreatic cell lines. The efficacy of imetelstat was evaluated in IMerge (NCT02598661), a randomized (2:1), double-blind, placebo-controlled multicenter trial in 178 participants with myelodysplastic syndromes. Participants received an intravenous infusion of imetelstat 7.1 mg/kg or placebo in 28-day treatment cycles until disease progression or unacceptable toxicity. Randomization was stratified by prior red blood cell transfusion burden and by International Prognostic Scoring System (IPSS) risk group. All participants received supportive care, which included red blood cell transfusions.
Sources: en.wikipedia.org
Its legal status depends on the country and intended use. It is not an approved medicine in major jurisdictions. In sport, it is prohibited by anti-doping rules.
Laboratories typically use LC-MS/MS to detect SR9009 and related compounds in urine or blood. The method is sensitive but depends on sample collection timing. Confirmatory analysis follows quality-control procedures.
Solid material is generally kept cold, dry, and protected from light. Solutions are often stored in sealed containers at low temperature. Stability beyond recommended periods is not well documented.
It is a synthetic REV-ERB agonist used mainly in preclinical research. It is not an approved medicine for human use.