The short version of REV-ERB agonist fits in a sentence. The long version — which is the one that helps — is below.
Reviewed 2025-10-30. Anything still debated is marked as such rather than presented as settled.
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.
Most published work on SR9009 consists of preclinical studies. It is widely sold as a research chemical, a category that does not imply safety, efficacy, or pharmaceutical-grade quality. Sports anti-doping organizations have listed SR9009 as a prohibited substance, and its presence in an athlete sample can lead to sanctions. Legal status differs by country; in several jurisdictions it is not approved for human consumption and may be treated as an unapproved new drug.
SR9009 is a synthetic small molecule studied as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ. It is not a steroid, peptide, or natural hormone. In scientific literature, it appears under the code SR9009 and in non-scientific contexts as Stenabolic. The compound was identified through chemical screening efforts aimed at targeting circadian clock components. Its status remains investigational, and no regulatory agency has approved it as a human medicine.
| Property | Value | Notes |
|---|---|---|
| Synonyms | SR9009; Stenabolic | Stenabolic is an informal name |
| Common form | Crystalline powder | Supplied in milligram to gram quantities |
| Long-term storage | -20 °C, desiccated, protected from light | Reduces degradation |
| Detection technique | LC-MS/MS | Common in anti-doping and research analysis |
| Regulatory status | Prohibited in sport by WADA | Not approved for human therapeutic use |
Quality control for research materials includes identity confirmation by nuclear magnetic resonance and purity assessment by high-performance liquid chromatography. Mass spectrometry provides molecular weight confirmation and can detect related impurities. Purchasers should request a certificate of analysis that lists lot-specific data. Online products advertised for human use often lack such documentation. Distinguishing legitimate research material from mislabeled or contaminated samples is a recurring challenge in independent testing, and independent laboratories may use orthogonal methods to verify identity.
Detection of SR9009 in biological samples usually relies on liquid chromatography coupled to tandem mass spectrometry. This approach separates the compound from matrix components and identifies it by mass transitions. Because SR9009 can undergo metabolism, laboratories often look for both parent drug and specific metabolites. Sample preparation may involve protein precipitation or solid-phase extraction. Method validation examines sensitivity, carryover, and interference from related substances, and reference standards are required for accurate calibration.
Storage recommendations for SR9009 reference material typically specify a freezer at -20 °C or lower, with protection from moisture and light. Repeated freeze-thaw cycles can degrade small molecules and introduce variability. Stock solutions in dimethyl sulfoxide are often aliquoted to avoid repeated handling. Stability studies may examine degradation under heat, humidity, and light exposure. The compound's thiophene and nitro groups can participate in reactions that alter analytical signals over time, so such changes affect quantitative results.
Pharmacokinetic data for SR9009 are limited in published literature. Some reports indicate low oral bioavailability and rapid clearance in animals, which complicates interpretation of exposure and effect. Researchers often use injected routes in preclinical work to achieve measurable systemic levels. Analytical studies rely on mass spectrometry to detect the parent compound and its metabolites. Questions about tissue distribution, active metabolites, and long-term consequences remain open. Species differences in metabolism can affect observed half-life and target engagement.
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 and metabolic gene expression. In laboratory experiments, SR9009 binds these receptors and alters transcription of genes involved in lipid handling, glucose metabolism, and mitochondrial function. It is not a naturally occurring compound and has no approved therapeutic use. Research interest stems from its ability to modify energy metabolism in cells and animal models.
In rodent studies, SR9009 has been reported to increase mitochondrial content in skeletal muscle and improve exercise endurance under some conditions. These findings led to popular descriptions such as an exercise mimetic, although that term oversimplifies the biology. Effects vary by dose, timing, tissue, and model. The compound's influence on circadian pathways means that time of administration can matter in experiments. Whether similar metabolic changes occur in humans remains largely unexplored in controlled published trials.
The Fascist regime in Italy put an end to the social unrest, banning trade unions and jailing socialist leaders, notably Antonio Gramsci. On the other hand, Benito Mussolini largely subsidised the automotive industry, in order to provide vehicles to the army. Turin was a target of Allied strategic bombing during World War II, being heavily damaged by the air raids in its industrial areas as well as in the city centre. Along with Milan, Genoa, and La Spezia, Turin was one of Italy's four cities that suffered area bombing by the RAF; the heaviest raid took place on 13 July 1943, when 295 bombers dropped 763 tons of bombs, killing 792 people. Overall, these raids killed 2,069 inhabitants of Turin, and destroyed or damaged 54% of all buildings in the city. In March 1943 the city's factories were the starting point of the first mass strikes in Fascist Italy. The Allies' campaign in Italy started from the south and slowly moved northwards in the following two years. The northern regions were occupied by Germans and collaborationist forces for several years. Turin was not captured by the Allies until the end of the Spring Offensive of 1945. By the time the vanguard of the armoured reconnaissance units of the Brazilian Expeditionary Force reached the city, it was already freed by the Italian Partisans. They had begun revolting against the Germans and the Italian RSI troops on 25 April 1945. Days later, troops from the US Army's 1st Armored and 92nd Infantry Divisions came to substitute for the Brazilians. In the postwar years, Turin was rapidly rebuilt.
=== Film === The rotoscoped film A Scanner Darkly was authorized by Dick's estate. It was released in July 2006 and stars Keanu Reeves as Fred/Bob Arctor and Winona Ryder as Donna. Rory Cochrane, Robert Downey Jr., and Woody Harrelson co-star as Arctor's drugged-out housemates and friends. The film was directed by Richard Linklater.
== Objectives == To promote the advancement of education and research into epidemiology, pathology, diagnosis, prevention and management of wounds of all aetiologies. To arrange conferences on aspects of wound management throughout Europe. To arrange multi-centre, multi-disciplinary training courses on topical aspects of wound healing. To create a forum for networking for all individuals and organisations interested in wound management
Although the anti-American films were notably popular with audiences, the Ministry did not feel the message had reached the general public, perhaps due to the fact that the majority of moviegoers seeing the films produced were, perhaps, the Soviets most likely to admire American culture. After Stalin's death, a Main Administration of Cinema Affairs replaced the Ministry, allowing the filmmakers more freedom due to the lack of direct government control. Many of the films released throughout the late 1950s and 1960s focused on spreading a positive image of Soviet life, intent to prove that Soviet life was indeed better than American life. Russian science fiction emerged from a prolonged period of censorship in 1957, opened up by de-Stalinization and real Soviet achievements in the space race, typified by Ivan Efremov's galactic epic, Andromeda (1957). Official Communist science fiction transposed the laws of historical materialism to the future, scorning Western nihilistic writings and predicting a peaceful transition to universal communism. Scientocratic visions of the future nevertheless implicitly critiqued the bureaucratically developed socialism of the present. Dissident science fiction writers emerged, such as the Strugatski brothers, Boris and Arkadi, with their "social fantasies," problematizing the role of intervention in the historical process, or Stanislaw Lem's tongue-in-cheek exposures of man's cognitive limitations.
The Straw Hats' Jolly Roger (Japanese: 麦わらの一味の海賊旗, Hepburn: Mugiwara no Ichimi no Kaizokuki; lit. Straw Hat Crew's Jolly Roger), also known as the Straw Hats' Skull and Crossbones, is a pirate flag predominantly featured in the Japanese One Piece manga and its anime franchise, wherein it is used to identify the protagonist Straw Hats, a pirate crew who often fight for liberation of oppressed peoples. The fictional Jolly Roger is of a cartoonish skull with two crossbones and a straw hat similar to the one worn by Monkey D. Luffy. The Straw Hats' Jolly Roger is a symbol for several global youth-led protest movements. In the August 2025 Indonesian protests, people began using the flag instead of the national flag as a form of protest against the government, and the practice spread to other countries. Notably, the flag saw widespread use during protests in Nepal and Madagascar which overthrew their respective governments. The flag has also seen use in protests in other countries across Africa, the Americas, and Eurasia.
Sources: en.wikipedia.org
Granzymes are serine proteases released by cytoplasmic granules within cytotoxic T cells and natural killer (NK) cells. They induce programmed cell death (apoptosis) in the target cell, thus eliminating cells that have become cancerous or are infected with viruses or bacteria. Granzymes also kill bacteria and inhibit viral replication. In NK cells and T cells, granzymes are packaged in cytotoxic granules along with perforin. Granzymes can also be detected in the rough endoplasmic reticulum, golgi complex, and the trans-golgi reticulum. The contents of the cytotoxic granules function to permit entry of the granzymes into the target cell cytosol. The granules are released into an immune synapse formed with a target cell, where perforin mediates the delivery of the granzymes into endosomes in the target cell, and finally into the target cell cytosol. Granzymes are part of the serine esterase family. They are closely related to other immune serine proteases expressed by innate immune cells, such as neutrophil elastase and cathepsin G. Granzyme B activates apoptosis by activating caspases (especially caspase-3), which cleaves many substrates, including caspase-activated DNase to execute cell death. Granzyme B also cleaves the protein Bid, which recruits the proteins Bax and Bak to change the membrane permeability of the mitochondria, causing the release of cytochrome c (which is one of the parts needed to activate caspase-9 via the apoptosome), Smac/Diablo and Omi/HtrA2 (which suppress the inhibitor of apoptosis proteins (IAPs)), among other proteins.
== Adverse effects == Ten to forty percent of people will experience nausea, vomiting, abdominal pain, itching skin, increased body temperature, trembling and weakness. One to five percent of peoples may experience back and chest pain, dizziness, anemia, chills and sweating, metallic taste, tachycardia and respiratory distress. Contraindications for the use of carbetocin include inappropriate timing during labor and delivery (such as before parturition or to induce labor) or allergic reactions to carbetocin or other oxytocin homologues. Additionally, carbetocin should not be used if a person has high blood pressure or cardiovascular problems. Overdosage or repeated use of carbetocin, particularly if used during pregnancy, could cause hyper-excitation of the oxytocin receptors resulting in excessive and prolonged stimulation of uterine contractions, increasing risk of uterine rupture, placental abruption, fetal respiratory distress and postpartum hemorrhage.
stimulant effects of caffeine), and those are listed where they are relevant and well-documented. Internet claims for individual chemicals, or compound synergies, such as preventing dental cavities (speculative but unproven effect of the alkaloid trigonelline with in vitro bacterial attachment research, but missing in vivo research on any health effects), preventing kidney stones, or negative effects, also have been avoided.
== In popular culture == In 2008, Norris's case was the focus of an ITV Real Crime documentary. In 2014, Norris was the subject of the BBC Panorama documentary "The Innocent Serial Killer?". In 2026, Louise Shorter, who in 2011 produced the BBC TV documentary A Jury in the Dark, produced the investigative radio series Killer On The Ward as part of BBC Scotland's Disclosure Investigates series.
=== Membrane and self-assembling peptide studies === Membrane proteins and self-assembly properties of certain proteins can be studied under this technique, due to being a label-free calorimeter. Membrane proteins are known to have difficulties with selection of proper solubilization and purification protocols. As ITC is a non-destructive calorimetric tool, it can be used as a detector to locate the fraction of protein with desired binding sites, by binding a known binding ligand to the protein. This feature also applies in studies of self-assembling proteins, especially in use of measuring thermodynamics of their structural transformation.
Sources: en.wikipedia.org
Laboratories commonly use liquid chromatography coupled with mass spectrometry to detect SR9009. The method can identify the compound and estimate concentration in a sample. Detection limits depend on the matrix and instrument.
Research-grade purity indicates a supplier's measured percentage of the intended compound. It does not guarantee safety, sterility, or suitability for human consumption. Buyers should request a certificate of analysis with chromatograms and test methods.
Sports regulators prohibit SR9009 because it is a non-approved substance with potential performance-altering effects. Its presence can be detected in anti-doping testing. Athletes are responsible for substances found in their samples.
It is a synthetic compound studied as an agonist of REV-ERB nuclear receptors. It is not an approved medicine and has mainly been examined in laboratory and animal research.