Everything below concerns nuclear receptor. We keep the language plain, cite what the science says, and separate well-supported claims from open questions.
Updated 2025-08-08. Numbers and descriptions here follow the published literature rather than marketing material.
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.
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.
SR9009 is a synthetic small molecule studied as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ. These receptors help regulate circadian rhythms, lipid metabolism, and inflammatory gene expression. In cell and animal experiments, SR9009 alters transcription of clock-controlled genes and metabolic pathways. The compound is not a hormone and does not resemble classical steroid structures. Its activity depends on binding to the ligand-binding domain of REV-ERB, where it can modify corepressor recruitment.
Research interest in SR9009 grew from studies of circadian biology and metabolic disease. Preclinical reports describe effects on exercise capacity, muscle metabolism, and blood lipid levels in rodents, but these findings come from controlled laboratory settings. The compound has low oral bioavailability in animals, which limits systemic exposure after swallowing. Investigators often use injected routes in experiments to achieve measurable plasma concentrations. Human clinical data are sparse, no approved therapeutic product exists, and whether animal effects translate to humans remains an open question.
| Property | Value | Notes |
|---|---|---|
| Appearance | White to off-white powder | Common supplier description |
| Solubility | Soluble in DMSO and ethanol | Low solubility in water |
| Typical storage | −20 °C, desiccated, dark | For research samples |
| Analytical method | LC-MS/MS | Used for detection and quantification |
| Regulatory status | Prohibited in sport | WADA metabolic modulator class |
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 generally described as poorly soluble in water and more soluble in organic solvents such as dimethyl sulfoxide and ethanol. Stock solutions are commonly prepared in an organic solvent before dilution into an aqueous buffer or vehicle. Precipitation can occur if the organic fraction is reduced too quickly or if the final concentration exceeds the compound's solubility limit. Sonication or gentle warming may aid dissolution in some protocols, but excessive heat can promote degradation. Container material and pH can also influence observed solubility.
For long-term storage, SR9009 is typically kept as a solid at low temperature, protected from moisture and light. Desiccated conditions limit hydrolysis, while opaque containers reduce photochemical breakdown. Solutions are less stable than solids and are often stored frozen in aliquots to avoid repeated freeze-thaw cycles. Stability data are not standardized across all suppliers, so users should rely on certificate-of-analysis information when available. Degradation may appear as color change, precipitate, or decreased chromatographic purity.
=== Cancer === Heejin et al. showed that trimebutine is effective at stopping ovarian cancer cells from growing in vitro. This effect is believed to be exerted through G0/G1 phase switch arrest, voltage-gated calcium channels and calcium-activated potassium channels inhibition and suppressing Wnt, Notch and Hedgehog pathways. Yi-pu Fan et al. found that trimebutine can inhibit glioma and glioblastoma cells from proliferating by promoting apoptosis and downregulation of Bcl-2, thereby upregulating Bax pro-apoptotic factor.
== History == The university was established in 1845 as Queen's College, Galway, together with Queen's College, Cork, and Queen's College, Belfast. It opened for teaching on 30 October 1849 with 68 students. In 1850, it became part of the Queen's University of Ireland, and its degrees were conferred in the name of that university.
pregnancy androgens birth control pills antibiotics (such as TMP/SMX) abdominal mass (e.g. cancer) pediatric liver diseases biliary trauma congenital anomalies of the biliary tract gallstones biliary dyskinesia acute hepatitis cystic fibrosis primary biliary cholangitis, an autoimmune disorder primary sclerosing cholangitis, associated with inflammatory bowel disease some drugs (e.g. flucloxacillin and erythromycin) secondary syphilis, albeit rarely Drugs such as gold salts, nitrofurantoin, anabolic steroids, sulindac, chlorpromazine, erythromycin, prochlorperazine, cimetidine, estrogen, and statins can cause cholestasis and may result in damage to the liver.
Sources: en.wikipedia.org
Oxford were strong pre-race favourites, having won 16 of the last 17 races. Cambridge won the toss and elected to start from the Surrey station. Two minutes after the start, and in cold, overcast conditions, Cambridge's cox Martin Haycock was level with Oxford's Jo Michels who occupied the number two seat in the Dark Blue boat. Responding to a call to push on, Cambridge were clear upon reaching the Mile Post in record time, and moved in front of Oxford. Further record times were set as the Light Blues passed under Hammersmith Bridge and by Chiswick Steps before they passed the finishing post 3+1⁄2 lengths clear in 17 minutes. It was Cambridge's first victory since the 1986 race and just their second victory in eighteen years. The winning time was the fourth fastest in the history of the event, surpassed only by Oxford in the 1991, 1984 and 1976 races, and was Cambridge's fastest time ever. Cambridge's victory prevented the overall score from being levelled for the first time since 1929. In the reserve race, Cambridge's Goldie won by nine lengths over Isis, their sixth victory in seven years. Cambridge won the 48th Women's Boat Race by 4+1⁄2 lengths in a time of 6 minutes and 10 seconds, their fourth victory in five years.
=== Domestic reception === The Lahore Chamber of Commerce & Industry (LCCI) called the deal a game-changer, citing improved trade balance, job creation, and export growth opportunities. The Pakistan Stock Exchange (KSE-100) rallied—rising by 978 points—as investors welcomed the trade and energy partnership.
Alas! The bride had died in horrible agony; for no sooner had she put on Medea's gifts than a devouring poison consumed her limbs as with fire, and in his endeavor to save his daughter the old father died too. While Medea is pleased with her current success she decides to take it one step further. Since Jason brought shame upon her by trying to start a new family, Medea resolves to destroy the family he was willing to give up by killing their sons. Medea does have a moment of hesitation when she considers the pain that her children's deaths will put her through. However, she steels her resolve to cause Jason the most pain possible and rushes offstage with a knife to kill her children. Determined to stop Medea, the chorus runs after her only to hear the children scream. Jason then rushes onto the scene to confront Medea about murdering Creon and Glauce, and he quickly discovers that his children have been killed as well. Medea then appears above the stage with the bodies of her children in a chariot given to her by the sun god Helios. When this play was put on, this scene was accomplished using the mechane device usually reserved for the appearance of a god or goddess. She confronts Jason, reveling in his pain at being unable to ever hold his children again:
Sources: en.wikipedia.org
These experiments are designed to clone and express transporter genes in host cells to further analyze the three-dimensional structure of uniporters, as well as directly observe the movement of ions through proteins in real-time. The discovery of mutations in uniporters has been linked to diseases such as GLUT1 deficiency syndrome, cystic fibrosis, Hartnup disease, primary hyperoxaluria and hypokalemic periodic paralysis.
=== Boer organization and skills === War was declared on 11 October with a Boer offensive into the British-held Natal and Cape Colony areas. The Boers had about 33,000 soldiers, and outnumbered the British, who could move only 13,000 troops to the front line. The Boers had no problems with mobilisation, since the independent Boers had no regular army units, apart from the Staatsartillerie (Dutch for 'State Artillery'). As with the First Boer War, since most of the Boers were members of civilian militias, none had adopted uniforms or insignia. Only the members of the Staatsartillerie wore light green uniforms.
=== Other === An engineer replaced a woodpecker-damaged feed horn of a high-power microwave antenna, a 15-meter dish at an Earth station of a television network, using a cherry picker. After finishing, he sent his technician to power up the transmitter, and attempted to lower the cherry picker down. The engine failed and the engineer was stuck next to the antenna, outside of its main lobe but well within the first sidelobe. The technician, unaware that the engineer was still close to the antenna, powered it up. The engineer was exposed to an intense microwave field for about three minutes, until the error was realized. There were no immediate symptoms; the next morning the engineer detected blood and solid matter in his urine, and visited a doctor, who found blood in stool and massive bowel adhesions. The engineer's medical problems lasted for many years.
Paleopathology The African Burial Ground Bioarchaeology and the Center for Bioarchaeological Research National NAGPRA homepage Bones Don't Lie Blog Powered by Osteons Blog Kristina Killgrove's Bioarchaeology Blog at Forbes
Sources: en.wikipedia.org
Legality depends on the country and the intended use. In many places it is sold as a research chemical, but sports and medicine regulations restrict it.
Detection commonly uses liquid chromatography–tandem mass spectrometry. This method can identify the compound in urine or blood at low concentrations.
Typical guidance is −20 °C, dry, and protected from light. Solutions should be aliquoted and limited freeze–thaw cycles should be used.
SR9009 is a synthetic small molecule studied as an agonist of the REV-ERB nuclear receptors. It is not an approved medicine, and its effects in humans are not well characterized.