The short version of REV-ERB agonist fits in a sentence. The long version — which is the one that helps — is below.
Reviewed 2025-11-25. Anything still debated is marked as such rather than presented as settled.
Detection in biological samples can be complicated by rapid metabolism and low circulating concentrations. Some studies report phase I and phase II metabolites, and analytical methods may need to target those species in addition to the parent compound. Immunoassays are not broadly available, so mass spectrometry remains the main confirmatory approach. For anti-doping testing, laboratories look for SR9009 and its metabolites using validated LC-MS methods. Open questions include how long metabolites remain detectable and how different routes of administration alter detection windows.
In laboratory settings, SR9009 is typically characterized by liquid chromatography–mass spectrometry (LC-MS) or high-performance liquid chromatography with ultraviolet detection (HPLC-UV). These methods can confirm identity and estimate purity, but they require reference standards for accurate quantification. Because SR9009 is not a licensed pharmaceutical, no harmonized pharmacopeial monograph exists. Laboratories often validate in-house methods for matrices such as plasma, urine, or cell culture media. Sample preparation may involve protein precipitation or liquid-liquid extraction before analysis.
Physicochemical behavior influences handling. SR9009 is described as a solid with limited aqueous solubility, so organic solvents such as dimethyl sulfoxide or ethanol are common in research stock solutions. Aqueous dilution can produce precipitates if the organic content is too low. Light, heat, and repeated freeze-thaw cycles may affect stability. Storage recommendations usually specify a desiccated freezer environment protected from light, but exact stability data depend on the formulation and matrix.
SR9009 is frequently discussed in fitness and research-chemical contexts, yet it has no approved medical indication. Regulatory agencies have not authorized it for human use, and it is not a standard prescription drug. Some sports organizations list it as a prohibited substance because of its potential performance-enhancing properties. Published human data are sparse, so claims about its effects in people often rely on animal models or anecdotal reports. Quality and identity of online materials can vary widely.
SR9009 is a synthetic small molecule studied as a REV-ERB agonist. REV-ERBα and REV-ERBβ are nuclear receptors that help regulate circadian rhythms and metabolic gene expression. The compound was identified in academic screening efforts to find synthetic ligands for these receptors. In cell and animal studies, SR9009 alters transcription of genes involved in lipid and glucose metabolism, and it can shift circadian behavior. It is not an approved therapeutic agent.
| Property | Value | Notes |
|---|---|---|
| Appearance | Off-white to pale yellow solid | Visual description varies with purity and source |
| Solubility | Soluble in DMSO and ethanol; poorly soluble in water | Organic stock solutions are common in research |
| Typical storage | -20 °C, desiccated, protected from light | Avoid repeated freeze-thaw cycles |
| Typical analytical method | LC-MS or HPLC-UV | Reference standards are needed for quantification |
| Molar mass | Approximately 437.9 g/mol | Calculated from the reported free-base formula |
Scientific discussion of SR9009 often separates animal evidence from human anecdote. Rodent studies provide controlled data on endurance, metabolism, and gene expression, but they use specific strains, doses, and treatment durations. Human reports are mostly uncontrolled and cannot establish cause and effect. Open questions include oral bioavailability, tissue distribution, metabolic stability, and long-term effects. Review articles generally call for more rigorous pharmacokinetic and safety research before any clinical use could be considered.
Analytical methods for SR9009 typically rely on liquid chromatography coupled with tandem mass spectrometry. The technique can separate the parent compound from related substances and detect low concentrations in biological matrices. Urine and blood are common samples in anti-doping testing, while in vitro studies may use cell culture media. Rapid metabolism and low expected concentrations make method validation important for reliable identification. Exact metabolite patterns can vary by species and are not fully mapped.
Regulatory treatment of SR9009 reflects its investigational status. The compound has no approved human therapeutic indication, and sports authorities prohibit its use. It appears on anti-doping lists as a non-approved substance or metabolic modulator, depending on the list version. Products sold online as research chemicals are not quality-controlled medicines, so their identity and purity can differ from the label. Such products may also contain unlisted compounds, which complicates both testing and safety assessment.
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.
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.
== Mechanism of action == Dapagliflozin inhibits subtype 2 of the sodium-glucose transport proteins (SGLT2), which are responsible for at least 90% of the glucose reabsorption in the kidney. Blocking this transporter mechanism causes blood glucose to be eliminated through the urine. In combination with metformin, dapagliflozin at standard treatment dose of 10 mg daily lowered HbA1c by 0.54-0.84% (5.9-9.3 mmol/mol) when compared to metformin monotherapy in patients with inadequately controlled type 2 diabetes and normal renal function. Its protective effects in heart failure are attributed primarily to haemodynamic effects, where SGLT2 inhibitors potently reduce intravascular volume through osmotic diuresis and natriuresis. This consequently may lead to a reduction in preload and afterload, thereby alleviating cardiac workload and improving left ventricular function.
=== Isomers === Lysergic acid is a chiral compound with two stereocenters. The isomer with inverted configuration at carbon atom 8 close to the carboxyl group is called isolysergic acid. Inversion at carbon 5 close to the nitrogen atom leads to L-lysergic acid and L-isolysergic acid, respectively.
=== Discovery of anti-TB activity === Soon, multiple laboratories discovered anti-TB activity of isoniazid. This led three pharmaceutical companies to unsuccessfully attempt to patent the drug at the same time, the most prominent one being Roche in January 1951, which launched its version, Rimifon, in 1952. Additionally, Soviet physicians A. Kachugin and Bella Keyfman independently discovered this activity in 1949, but neither published their findings in a peer-reviewed article nor applied for an inventor's certificate. The drug was first tested at Many Farms, a Navajo community in Arizona, due to the Navajo reservation's tuberculosis problem and because the population had not previously been treated with streptomycin, the main tuberculosis treatment at the time. The research was led by Walsh McDermott, an infectious disease researcher with an interest in public health, who had previously taken isoniazid to treat his own tuberculosis. Isoniazid and a related drug, iproniazid, were among the first drugs to be referred to as antidepressants. Psychiatric use stopped in 1961 following reports of hepatotoxicity. Use against tuberculosis continued, as isoniazid's effectiveness against the disease outweighs its risks.
There are several geophysical methods available that can approximate in situ soil water content. These methods include: time-domain reflectometry (TDR), neutron probe, frequency domain sensor, capacitance probe, amplitude domain reflectometry, electrical resistivity tomography, ground penetrating radar (GPR), and others that are sensitive to the physical properties of water . Geophysical sensors are often used to monitor soil moisture continuously in agricultural and scientific applications.
Several screening and diagnostic tests have been used to look for high levels of glucose in plasma or serum in defined circumstances. One method is a stepwise approach where a suspicious result on a screening test is followed by a diagnostic test. Alternatively, a more involved diagnostic test can be used directly at the first prenatal visit for a woman with a high-risk pregnancy. (for example, in those with polycystic ovarian syndrome or acanthosis nigricans). Non-challenge blood glucose tests involve measuring glucose levels in blood samples without challenging the subject with glucose solutions. A blood glucose level is determined when fasting, two hours after a meal, or at any random time. In contrast, challenge tests involve drinking a glucose solution and measuring glucose concentration thereafter in the blood; in diabetes, they tend to remain high. The glucose solution has a very sweet taste, which some women find unpleasant; sometimes, therefore, artificial flavours are added. Some women may experience nausea during the test, and more so with higher glucose levels. There is currently not enough research to show which way is best at diagnosing gestational diabetes. Routine screening of women with a glucose challenge test may find more women with gestational diabetes than only screening women with risk factors. Hemoglobin A1c (HbA1c) is not recommended for diagnosing gestational diabetes, as it is a less reliable marker of glycemia during pregnancy than oral glucose tolerance testing (OGTT).
Sources: en.wikipedia.org
Pre-synthesized polymers, like the PDMEAMA/PTMSPMA block copolymer, can be immobilized on a surface (i.e. glass) by simply immersing the surface in an aqueous solution containing the polymer. For a process like this, grafting density depends on the concentration and molecular weight of the polymer as well as the amount time the surface was immersed in solution. As expected, an inverse relationship exists between grafting density and molecular weight. As the antimicrobial activity depends on the concentration of quaternary ammonium tethered to the surface, grafting density and molecular weight represent opposing factors that can be manipulated to achieve high efficacy.
After participating in various roles in the company, Snyder assumed the presidency in 2010, becoming the company's sixth president. However, most major decisions are made by a seven-member executive team. Snyder does not intend to franchise nor sell and plans to pass on ownership of the company to her children. In 2018, In-N-Out donated $25,000 to the California Republican Party. In 2021, it donated $40,000. In-N-Out COO Mark Taylor and his wife, Traci, have donated to Donald Trump's presidential campaigns. On January 24, 2024, In-N-Out announced the closure of its only store in Oakland, California, due to safety concerns related to crime, marking the first time in its 75-year history that the company has shut down a location. On August 1, 2026, a mass shooting occurred at In-N-Out's Twin Falls, Idaho restaurant, killing three and wounding seven. The gunman, 24-year old Chad Williams, was confronted by Jordan Salinas, an armed civilian, and an off-duty state trooper. Williams eventually committed suicide. The motives for the attack are still unknown. The restaurant had opened about a week earlier.
Despite this system, structural inequality from unequal parental leave and responsibility, segregated occupations, and historic patterns of xenophobia mean that the gender pay gap remains at 22%, while the Indigenous pay gap remains at 33%. These inequalities usually intersect with each other, and combine with overall inequality of income and security. The laws for job security include reasonable notice before dismissal, the right to a fair reason before dismissal, and redundancy payments. However many of these protections are reduced for casual employees, or employees in smaller workplaces. The Commonwealth government, through fiscal policy, and the Reserve Bank of Australia, through monetary policy, are meant to guarantee full employment but in recent decades the previous commitment to keeping unemployment around 2% or lower has not been fulfilled. Australia shares similarities with higher income countries, and implements some International Labour Organization conventions.
Forgive what I said in anger! I will yield to the decree, and only beg one favor, that my children may stay. They shall take to the princess a costly robe and a golden crown, and pray for her protection.
Nuclide column Nuclide identifiers are given by their atomic mass number A and the symbol for the corresponding chemical element (corresponding to the unique proton number). In the cases that this is not the ground state, this is indicated by a m for metastable appended to the mass number; the conventional numbers are further appended to distinguish multiple metastable states but '1' is omitted if the others are much less stable.
Sources: en.wikipedia.org
=== Work === The medical specialty of endocrinology involves the diagnostic evaluation of a wide variety of symptoms and variations and the long-term management of disorders of deficiency or excess of one or more hormones. The diagnosis and treatment of endocrine diseases are guided by laboratory tests to a greater extent than for most specialties. Many diseases are investigated through excitation/stimulation or inhibition/suppression testing. This might involve injection with a stimulating agent to test the function of an endocrine organ. Blood is then sampled to assess the changes of the relevant hormones or metabolites. An endocrinologist needs extensive knowledge of clinical chemistry and biochemistry to understand the uses and limitations of the investigations. A second important aspect of the practice of endocrinology is distinguishing human variation from disease. Atypical patterns of physical development and abnormal test results must be assessed as indicative of disease or not. Diagnostic imaging of endocrine organs may reveal incidental findings called incidentalomas, which may or may not represent disease. Endocrinology involves caring for the person as well as the disease. Most endocrine disorders are chronic diseases that need lifelong care. Some of the most common endocrine diseases include diabetes mellitus, hypothyroidism and the metabolic syndrome.
A chipotle ( chih-PO(H)T-lay, Spanish: [tʃiˈpotle]), or chilpotle, is a smoke-dried ripe jalapeño chili pepper used for seasoning. It is used primarily in Mexican and Mexican-inspired cuisines, such as Tex-Mex and Southwestern United States dishes. It comes in different forms, such as chipotles en adobo (stewed in adobo sauce).
=== Potential risks === As BLCO contains materials like vanadium, nickel and PAH, those tend to be harmful and disturb possibility of antioxidant. Heavy metals are necessary in metabolic process of creatures; however, they are the causes of physiological stress at the same time. Pollution problems by oil spills like soils contamination are continuous and prevalent, putting severe health and environmental threats. The pollutants can gradually accumulate in food chains and interrupt biological actions of creatures. Petroleum contaminants are pernicious to nature and moreover, their hydrocarbon elements which are mutagenic and causing cancers, entail immunomodulatory impacts on humans and organisms as well. The symptoms of risks can appear immediately or emerge after some time.
Gone with the Wind itself may have been briefly overtaken by The Ten Commandments (1956), which closed at the end of 1960 with worldwide rentals of $58–60 million compared to Gone with the Wind's $59 million; if it did claim the top spot its tenure there was short-lived, since Gone with the Wind was re-released the following year and increased its earnings to $67 million. Depending on how accurate the estimates are, the 1959 remake of Ben-Hur may also have captured the record from Gone with the Wind: as of the end of 1961 it had earned $47 million worldwide, and by 1963 it was trailing Gone with the Wind by just $2 million with international takings of $65 million, ultimately earning $66 million from its initial release.
Sources: en.wikipedia.org
It is usually detected by LC-MS or HPLC-UV against a reference standard. In biological matrices, metabolite targeting can improve detection. No universal immunoassay is widely available.
The compound is generally handled as light-sensitive and stored cold and dry. Stability in solution depends on solvent, concentration, and storage time. Specific degradation rates are not fully standardized.
Limited water solubility affects formulation for cell and animal studies. Organic co-solvents are often used to dissolve it. Precipitation can confound assay results if not controlled.
SR9009 is a synthetic compound investigated as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ. It is used in preclinical research on circadian rhythm and metabolism. It is not an approved drug.