A practical reference on SR9009: what it is, how it behaves, what the literature reports, and where the honest uncertainties sit.
This page was last updated on 2025-10-23 and is reviewed periodically as new material appears.
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.
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.
REV-ERB proteins help regulate daily cycles in gene expression, including genes tied to lipid and glucose metabolism. SR9009 binds these receptors and alters their activity in cell and animal experiments. Consequences observed in rodents include changes in skeletal muscle oxidative capacity, blood lipid levels, and exercise performance. The precise chain from receptor occupancy to whole-body effects is still an active area of study. Human responses cannot be assumed from rodent data.
| Property | Value | Notes |
|---|---|---|
| Chemical class | Synthetic small-molecule REV-ERB agonist | Not a hormone or natural product |
| Primary targets | REV-ERBα and REV-ERBβ | Nuclear receptors involved in circadian and metabolic regulation |
| Appearance | White to off-white solid | Typical for purified research samples |
| Solubility | Soluble in DMSO and ethanol; low water solubility | Laboratory solubility depends on solvent and purity |
| Common synonyms | SR9009; Stenabolic | Stenabolic is a colloquial name, not a formal chemical name |
Storage conditions for research-grade SR9009 generally involve a freezer at approximately minus twenty degrees Celsius, sometimes lower for long-term preservation. Containers should remain tightly closed and protected from light. Desiccants may be used to limit moisture uptake. Solutions are often stored in aliquots to avoid repeated warming and cooling. Stability data for the compound under various conditions are limited, so laboratories typically follow supplier recommendations and verify performance through periodic analytical checks rather than assuming indefinite stability.
Identity and purity testing for SR9009 commonly uses liquid chromatography coupled with tandem mass spectrometry. This method separates the compound from matrix components and detects it by mass-to-charge transitions, providing sensitive and specific confirmation. Nuclear magnetic resonance spectroscopy can support structural identification, while high-performance liquid chromatography with ultraviolet detection may estimate purity. Because online products labeled as SR9009 may contain other substances or no active compound at all, independent verification is important in research settings. Certificates of analysis are useful but not a substitute for in-house testing.
Laboratory samples of SR9009 are typically supplied as a white to off-white powder. The compound dissolves readily in organic solvents such as dimethyl sulfoxide and ethanol, while its solubility in water is low. Because of this solubility profile, researchers often prepare concentrated stock solutions in an organic solvent before diluting them into aqueous assay buffers. Light exposure, moisture, and repeated freeze-thaw cycles can degrade many small molecules, so handling procedures usually aim to minimize these factors. Purity is commonly checked before use.
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.
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.
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.
Glycopyrronium bromide is a medication of the muscarinic anticholinergic group. It does not cross the blood–brain barrier and consequently has few to no central effects. It can be administered orally, intravenously, topically, or via inhalation. It is a synthetic quaternary ammonium compound. The cation, which is the active moiety, is called glycopyrronium (INN) or glycopyrrolate (USAN). The most common side effects include irritability, flushing, nasal congestion, reduced secretions in the airways, dry mouth, constipation, diarrhea, nausea and vomiting, and urinary retention. In September 2012, glycopyrronium was approved for medical use in the European Union. In June 2018, glycopyrronium was approved by the U.S. Food and Drug Administration (FDA) to treat excessive underarm sweating, becoming the first drug developed specifically to reduce excessive sweating. It is on the World Health Organization's List of Essential Medicines.
==== Pulmonary tissues ==== Lung tissue engineering focuses on developing functional respiratory structures to treat end-stage pulmonary diseases, such as chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, and acute respiratory distress syndrome (ARDS). Due to the complex, highly vascularized three-dimensional architecture of the lung, which comprises over forty distinct cell types and a delicate alveolar-capillary basement membrane, whole-organ biofabrication typically relies on decellularized donor lung scaffolds. This process strips away immunogenic cellular material while preserving the native extracellular matrix geometry and mechanical compliance required for ventilation. Research strategies prioritize the multi-lineage recellularization of these scaffolds using patient-specific induced pluripotent stem cells (iPSCs) differentiated into alveolar epithelial cells (type I and II) and microvascular endothelial cells. Additionally, biomimetic microfluidic platforms, or "lung-on-a-chip" models, are utilized to study cellular shear stress and gas-exchange dynamics, serving as precursors to transplantable bioartificial lung devices.
Played in his 52nd Masters Tournament at Augusta National in April 2009, extending his record of for most Masters appearances Inducted into the African American Sports Hall of Fame in May 2007, with Lifetime Achievement Award Has played in a record 46 consecutive British Open Championships, winning 3 times over 3 decades. Stars with Camilo Villegas in a MasterCard "priceless foursome" television commercial launched during the U.S. Open in June 2009 In November 2009 he was awarded the inaugural Breeders Cup "Sports and Racing Excellence Award" at Santa Anita Park in California which honours owners and breeders of thoroughbred race horses. Was inducted into the Asian Pacific Golf Hall of Fame with Jack Nicklaus in 2011 at a ceremony in Pattaya, Thailand. In December 2011, Gary Player Design was selected amongst the finalists to design the golf course for the 2016 Olympic Games in Rio de Janeiro He received the PGA Tour Lifetime Achievement Award at The Players Championship in May 2012. The first international person to receive this accolade. Received the 2020 GCSAA Old Tom Morris Award from the Golf Course Superintendents Association of America Received the Presidential Medal of Freedom on 7 January 2021 from then President Donald Trump. With the death of Jack Burke Jr., Player becomes the oldest living Masters champion.
Cobalt-60 (60Co) is a synthetic radioactive isotope of cobalt with a half-life of 5.2714 years. It is produced artificially in nuclear reactors through neutron activation of 59Co (of which natural cobalt consists entirely). Measurable quantities are also produced as a by-product of typical nuclear power plant operation and may be detected externally when leaks occur. In the latter case, the incidentally produced 60Co is largely the result of multiple stages of neutron activation of iron isotopes in the reactor's steel structures via the creation of its 59Co precursor. The simplest case of the latter would result from the activation of 58Fe. 60Co undergoes beta decay to an excited state of the stable isotope nickel-60 (60Ni), which then emits two gamma rays with energies of 1.17 MeV and 1.33 MeV. The overall equation of the nuclear reaction (activation and decay) is: 5927Co + n → 6027Co → 6028Ni + e− + νe + 2γ
SGLT2 inhibitors (also called gliflozins or flozins) are a class of medications that inhibit sodium-glucose transport proteins in the nephron (the functional units of the kidney), unlike SGLT1 inhibitors that perform a similar function in the intestinal mucosa. The foremost metabolic effect of this is to inhibit reabsorption of glucose in the kidney and therefore lower blood sugar. They act by inhibiting sodium/glucose cotransporter 2 (SGLT2). SGLT2 inhibitors are used in the treatment of type 2 diabetes. Apart from blood sugar control, gliflozins have been shown to provide significant cardiovascular benefit in people with type 2 diabetes. As of 2014, several medications of this class had been approved or were under development. In studies on canagliflozin, a member of this class, the medication was found to enhance blood sugar control as well as reduce body weight and systolic and diastolic blood pressure.
Sources: en.wikipedia.org
The major part of the PAP is the nèiwèi bùduì (Chinese: 内卫部队); translations include "internal security forces", "internal security troops", and "internal guards corps". Internal security forces are divided into provincial-level formations with geographical areas of responsibility. They are subordinated to PAP headquarters; the 2017-2018 reforms removed control of PAP units from local government. Internal security forces are focused on domestic security missions, maintaining stability in western China, guarding government compounds, disaster relief, and responding to major anti-government unrest. The zǒngduì (Chinese: 总队) is the provincial formation. They are called "corps" by the PAP; Western analysts have used "contingent", "general corps", and "detachment". Most are corps deputy leader grade formations. The exceptions are the Beijing and Xinjiang corps which are corps leader grade; their subordinate entities, except for the logistics and equipment bureaus, are one grade higher than in the other corps. Hong Kong and Macau do not have corps. Corps have mobile detachments and duty detachments (Chinese: 执勤支队; pinyin: zhíqín zhīduì). Duty detachments protect government compounds and perform routine duties; they may exist because the CCP lacks confidence in the ability of local public security forces to handle "mass incidents". Mobile detachments (Chinese: 机动支队; pinyin: jīdòng zhīduì) are rapid reaction units roughly corresponding to PLAGF regiments. Some were existing corps mobile units before the reforms. Most were transferred from the disbanded mobile divisions.
== Medical uses == For over 90 years, hematopoietic stem cell transplantation (HSCT) has been used to treat people with conditions such as leukemia and lymphoma; this is the only widely practiced form of stem-cell therapy. During chemotherapy, most growing cells are killed by the cytotoxic agents. These agents, however, cannot discriminate between the leukaemia or neoplastic cells, and the hematopoietic stem cells within the bone marrow. This is the side effect of conventional chemotherapy strategies that the stem-cell transplant attempts to reverse; a donor's healthy bone marrow reintroduces functional stem cells to replace the cells lost in the host's body during treatment. The transplanted cells also generate an immune response that helps to kill off the cancer cells; this process can go too far, however, leading to graft vs host disease, the most serious side effect of this treatment. Another stem-cell therapy called Prococvhymal, was conditionally approved in Canada in 2012 for the management of acute graft-vs-host disease in children who are unresponsive to steroids. It is an allogenic stem therapy based on mesenchymal stem cells (MSCs) derived from the bone marrow of adult donors. MSCs are purified from the marrow, cultured and packaged, with up to 10,000 doses derived from a single donor. The doses are stored frozen until needed. The FDA has approved five hematopoietic stem-cell products derived from umbilical cord blood, for the treatment of blood and immunological diseases.
=== International Food Safety Authorities Network (INFOSAN) === The International Food Safety Authorities Network (INFOSAN) is a joint program of the WHO and FAO. INFOSAN has been connecting national authorities from around the globe since 2004, with the goal of preventing the international spread of contaminated food and foodborne disease and strengthening food safety systems globally. This is done by:
== Fictional background == In Eiichiro Oda's One Piece series, each pirate crew has its own distinct Jolly Roger that reflects its traits and beliefs. Although the flag was originally drawn by the main series protagonist Monkey D. Luffy, his poor sketch led one of his crewmates Usopp to redesign it. One Piece itself is one of the longest-running and most popular Japanese media franchises, its manga (beginning publication in 1997) being the best-selling of all time and its anime running since 1999. The flag's anti-authoritarian usage is a reference to a major storyline involving the fictional world government, which controls most of the story's locations, and the Straw Hat Pirates' struggles to fight back, while concurrently hunting for the titular treasure. As described by CNN, "the flag symbolizes Luffy's quest to chase his dreams, liberate oppressed people, and fight the autocratic World Government". Multiple academic works have analysed how the manga draws parallels to real world politics and authoritarianism.
Sources: en.wikipedia.org
=== Home media === The film was released by The Criterion Collection as a Region 1 DVD on 25 November 2008 and on Blu-ray on 10 September 2013. Extras for this version include: digitally restored picture and sound; an interview with John le Carré; scene-specific commentary by director of photography Oswald Morris; a BBC documentary titled The Secret Centre: John le Carré (2000); an interview with Richard Burton from a 1967 episode of the BBC series Acting in the '60s; a 1985 audio interview with director Martin Ritt; a gallery of set designs; the film's theatrical trailer; and a booklet featuring an essay by film critic Michael Sragow.
Given their birth years, members of Generation Z have no memory of the time before the terrorist attacks on September 11, 2001, and the subsequent war on terror. Yet even twenty years after the attacks had taken place, concerns over national security as well as personal safety remain. But most members of Generation Z were in their formative years during the 2008 financial crisis. A 2013 survey found that 47% of Generation Z in the United States (considered here to be those between the ages of 14 and 23) were concerned about student debt, while 36% were worried about being able to afford a higher education at all. This generation is facing a growing income gap and a shrinking middle-class, which all have led to increasing stress levels in families. According to Public Relations Society of America, the Great Recession has taught Generation Z to be independent, and has led to an entrepreneurial desire, after seeing their parents and older siblings struggle in the workforce. Psychologist Jean Twenge describes Generation Z as "uniquely pessimistic" compared to older cohorts. The COVID-19 pandemic struck when the oldest members of Generation Z was just joining the workforce and the rest were still in school. For this reason, it split Generation Z into two small cohorts with drastically different lived experiences, and this gap has been widened by the rapid pace of technological change, not just video-sharing platforms—especially TikTok—but also generative artificial intelligence (AI) algorithms, notably ChatGPT.
== Function == Epiplakin's role in maintaining keratin intermediate filament organization suggests that dysregulation of epiplakin expression or function may contribute to epithelial fragility or altered wound-healing responses, as indicated by accelerated wound closure observed in epiplakin-depleted corneal epithelial cells.
Sources: en.wikipedia.org
It is a synthetic research compound that activates REV-ERB nuclear receptors. It is not an approved drug or dietary supplement. Most information comes from cell and animal studies.
It binds REV-ERBα and REV-ERBβ and changes transcription of metabolic genes. This can affect circadian rhythm, lipid use, and mitochondrial function. The full downstream effects are still under study.
No. Some rodent studies show increased endurance, but controlled human trials are lacking. Claims about human performance are not established by published evidence.
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.