The short version of PPAR delta fits in a sentence. The long version — which is the one that helps — is below.
Reviewed 2026-01-09. Anything still debated is marked as such rather than presented as settled.
Laboratory studies have examined GW501516 in cell cultures and rodents for conditions such as dyslipidemia, insulin resistance, and obesity. Some trials in humans were initiated, but development was discontinued after preclinical findings raised concerns about cancer in certain models. Those findings do not prove that the compound causes cancer in people, but they contributed to regulatory caution. Later reviews often describe the evidence as preliminary and insufficient for assessing long-term safety.
In the fitness and bodybuilding literature, cardarine is frequently discussed as an endurance agent or fat-loss compound, although such claims are not supported by robust clinical evidence. Online descriptions often mix animal data, user anecdotes, and marketing language. Researchers who study PPARδ agonists distinguish between receptor activation in controlled experiments and unsupervised use of unverified products. The latter introduces unknown purity, dose, and interactions, making reported experiences difficult to interpret scientifically.
GW501516 acts as an agonist at peroxisome proliferator-activated receptor delta, a nuclear receptor involved in transcription of genes related to lipid handling and energy use. Activation of PPARδ can shift skeletal muscle toward greater fatty acid oxidation in animal models, which is one reason it drew interest for metabolic disease and exercise research. The exact downstream effects depend on tissue, species, dose, and duration. Human data are sparse, so many proposed benefits remain hypotheses rather than established clinical outcomes.
Cardarine is a common name for GW501516, a synthetic compound developed in the 1990s through research collaborations involving GlaxoSmithKline. It belongs to a class of molecules known as peroxisome proliferator-activated receptor delta agonists. Early studies explored its effects on lipid metabolism and energy expenditure in animal models. The compound was never approved as a human medicine, and clinical development was discontinued. In the years since, it has appeared in fitness and bodybuilding communities as a performance-enhancing substance. Regulatory agencies classify it as an unapproved drug.
PPARδ is a nuclear receptor that regulates gene expression related to fatty acid oxidation, glucose homeostasis, and mitochondrial function. GW501516 binds to this receptor with high affinity and activates downstream signaling in skeletal muscle and other tissues. Animal studies reported increased endurance and altered fuel preference, but human data remain limited and inconsistent. The precise relationship between receptor activation and observed physiological changes is still an area of active investigation. Researchers have also examined whether the compound affects inflammation or cell proliferation. No approved therapeutic indication exists for cardarine.
In laboratory settings, cardarine is studied as a tool compound for probing PPARδ biology. Published experiments often use cell cultures, rodent models, or isolated tissues. Some investigations focus on metabolic effects, while others assess potential risks such as carcinogenicity observed in long-term animal studies. Because human trials are sparse, most knowledge comes from preclinical work and adverse event reports. Scientific literature frequently notes the gap between animal findings and human outcomes. The compound is not a dietary supplement and is not intended for human consumption.
| Property | Value | Notes |
|---|---|---|
| Solubility | Soluble in dimethyl sulfoxide and some organic solvents; practically insoluble in water | Solvent choice affects laboratory handling |
| Typical storage | -20 °C, desiccated, protected from light | Common condition for research samples |
| Analytical method | Liquid chromatography–tandem mass spectrometry (LC-MS/MS) | Used for identification and quantification in biological or product samples |
| Common synonyms | GW501516, GW-501516, GSK-516, Endurobol | Names found in research and anti-doping literature |
| Regulatory status | Unapproved therapeutic; prohibited in competitive sport | Status can vary by country and context |
Regulatory treatment of cardarine differs by context and jurisdiction. In competitive sport, the World Anti-Doping Agency lists PPARδ agonists, including GW501516, as prohibited at all times. Outside sport, it lacks approval as a prescription medicine in major drug markets, and products sold for human consumption may be treated as unapproved drugs. Some countries also restrict importation or sale through general consumer protection and medicines laws. These classifications affect availability, testing, and legal risk without establishing therapeutic value.
Because cardarine is not an approved medicine, no pharmacopeial monograph defines its identity, purity, or storage requirements. Laboratories typically rely on in-house methods and reference standards when testing materials labeled as GW501516. Certificates of analysis may report purity and identity for a specific batch, but their scope varies and they do not guarantee safety or legal status. Independent verification can include high-performance liquid chromatography, mass spectrometry, nuclear magnetic resonance, and elemental analysis. The distinction between research chemical labeling and human use is significant because quality standards and oversight differ.
Cardarine can be detected in biological samples and product materials using liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). The method separates compounds by chromatography and identifies them by mass-to-charge transitions, allowing low-level detection in urine or blood. Sample preparation often involves enzymatic hydrolysis, solid-phase extraction, or protein precipitation. Certified reference materials and isotope-labeled internal standards improve quantification. Detection windows depend on metabolism, matrix, and assay sensitivity, so no single universal window applies.
Safety discussions about cardarine frequently cite rodent carcinogenicity findings reported in the 2000s. In those studies, treated animals developed tumors at multiple sites, leading sponsors to discontinue clinical development. The relevance of these findings to humans has not been resolved, but they are a major reason the compound is not approved. Current literature emphasizes uncertainty about long-term effects and the risks of unregulated use. Regulators and health agencies have not established a safe human exposure level.
Cardarine is a synthetic compound also known as GW501516, GW-501516, and sometimes endurobol. It was developed as a selective agonist of peroxisome proliferator-activated receptor delta, a nuclear receptor involved in fatty acid oxidation and energy metabolism. The compound was studied in preclinical models for metabolic and cardiovascular conditions, but it did not become a marketed human medicine. In regulatory and anti-doping contexts, it is treated as a prohibited substance rather than a licensed medicine.
The pharmacological interest in cardarine centers on PPARδ activation and its downstream effects on lipid handling and mitochondrial function. In animal studies, PPARδ agonists have been associated with changes in exercise endurance and fatty acid utilization, though results vary by model and protocol. Human data remain sparse, and the absence of large controlled trials limits conclusions about efficacy. Researchers often describe the compound as a tool for probing PPARδ biology rather than a proven therapeutic agent.
Activation of PPARδ changes transcription of genes involved in fatty acid transport, mitochondrial function, and skeletal muscle fuel preference. In rodent studies, pharmacological PPARδ activation was associated with increased endurance and altered body composition. These findings generated interest in performance enhancement, but species differences and study designs limit direct extrapolation to humans. Small human trials were conducted in the 2000s and later discontinued. The extent to which cardarine produces similar metabolic or performance effects in people remains an open question.
The compound is typically described as a laboratory compound rather than a therapeutic product. Published reports have explored its role in lipid disorders, insulin sensitivity, and exercise metabolism, yet no major drug regulator has approved it for medical use. Commercial samples sold under the cardarine name may vary in purity and identity. Analytical confirmation is therefore necessary when the material is discussed in scientific or regulatory contexts. Its classification as a prohibited substance in sport further shapes how it is studied and reported.
== See also == List of UFC champions List of UFC events List of current UFC fighters 2026 in Professional Fighters League 2026 in ONE Championship 2026 in Konfrontacja Sztuk Walki 2026 in Legacy Fighting Alliance 2026 in Absolute Championship Akhmat 2026 in Rizin Fighting Federation 2026 in LUX Fight League 2026 in Oktagon MMA 2026 in Cage Warriors
The production of a RNA copy from a DNA strand is called transcription, and is performed by RNA polymerases, which add one ribonucleotide at a time to a growing RNA strand as per the complementarity law of the nucleotide bases. This RNA is complementary to the template 3′ → 5′ DNA strand, with the exception that thymines (T) are replaced with uracils (U) in the RNA and possible errors. In bacteria, transcription is carried out by a single type of RNA polymerase, which needs to bind a DNA sequence called a Pribnow box with the help of the sigma factor protein (σ factor) to start transcription. In eukaryotes, transcription is performed in the nucleus by three types of RNA polymerases, each of which needs a special DNA sequence called the promoter and a set of DNA-binding proteins—transcription factors—to initiate the process (see regulation of transcription below). RNA polymerase I is responsible for transcription of ribosomal RNA (rRNA) genes. RNA polymerase II (Pol II) transcribes all protein-coding genes but also some non-coding RNAs (e.g., snRNAs, snoRNAs or long non-coding RNAs). RNA polymerase III transcribes 5S rRNA, transfer RNA (tRNA) genes, and some small non-coding RNAs (e.g., 7SK). Transcription ends when the polymerase encounters a sequence called the terminator.
Brookings argued that this shift represented only a small deviation from long-term patterns among minority voters which was largely based on economic concerns, noting that Harris voters were still much more racially diverse than Trump voters, and saying that it was "much too soon to pronounce that the GOP has undergone a multiracial transformation." Trump is the oldest person to win a presidential election, at age 78 surpassing Biden's 2020 record of doing so at age 77; Trump is also the first former president to win a state since Theodore Roosevelt in 1912. This was the first election since 1944 in which a presidential candidate won two elections with different vice presidential candidates; Trump replaced his 2016 and 2020 running mate, Mike Pence, with Vance.
Sources: en.wikipedia.org
Conservative leader Kemi Badenoch outlines her party's immigration policy, which reaffirms its commitment to a "strict migration cap"; she also says that her party got it "wrong" on immigration while in government. MPs will debate an online petition calling for a re-run of the 2024 general election in Westminster Hall, a secondary debating chamber, on 6 January 2025 after the petition attracted 2.8 million signatures. 28 November – Former prime minister David Cameron announces his support for an assisted dying law in the UK. Transport Secretary Louise Haigh reveals that she pleaded guilty to falsely saying a mobile phone had been stolen during a mugging before she became an MP and was given an absolute discharge by magistrates. Unite the Union announces plans to proceed with a legal challenge to overturn the UK government's cuts to Winter Fuel Payments. The Scottish Government announces that all pensioner households will receive a Winter Fuel Payment from Winter 2025–26, with those on Pension Credit receiving £200 or £300 dependent on age and the rest receiving £100. Former Conservative MP Andrea Jenkyns defects to Reform UK, and announces plans to run as Mayor of Greater Lincolnshire in May 2025. BBC News Wales reports that Senedd Conservatives will hold a vote of confidence in Welsh Conservative leader Andrew RT Davies on 3 December following a series of criticisms about his leadership. Mauritian prime minister Navin Ramgoolam asks for an independent review of the UK's deal with his country over sovereignty of the Chagos Islands.
=== Chemistry === The chemistry of polonium is similar to that of tellurium, although it also shows some similarities to its neighbor bismuth due to its metallic character. Polonium dissolves readily in dilute acids but is only slightly soluble in alkalis. Polonium solutions are first colored in pink by the Po2+ ions, but then rapidly become yellow because alpha radiation from polonium ionizes the solvent and converts Po2+ into Po4+. As polonium also emits alpha-particles after disintegration, this process is accompanied by bubbling and emission of heat and light by glassware due to the absorbed alpha particles; as a result, polonium solutions are volatile and will evaporate within days unless sealed. At pH about 1, polonium ions are readily hydrolyzed and complexed by acids such as oxalic acid, citric acid, and tartaric acid.
Steroidal antiandrogens are antiandrogens that resemble steroid hormones like testosterone and progesterone in chemical structure. They are the most commonly used antiandrogens in transgender women. Spironolactone (Aldactone), which is relatively safe and inexpensive, is the most frequently used antiandrogen in the United States. Cyproterone acetate (Androcur), which is unavailable in the United States, is widely used in Europe, Canada, and the rest of the world. Medroxyprogesterone acetate (Provera, Depo-Provera), a similar medication, is sometimes used in place of cyproterone acetate in the United States.
=== Evermont: The Royal Rumble === First aired: 2 December 2010 Meet Evermont, a wannabe rapper who says he can "smell the bitch" in his victims. He calls himself "the king" and makes life miserable for Jesse and Colton. Mayhem Miller brings in professional MMA Brazilian jiu-jitsu fighter Bobby "King" Green who has a record of 14 wins and 3 losses to put Evermont in his place. In the first round, Bobby Green made him tap out five times. In the second round, Evermont got scared and didn't continue into the second round. He was the second bully to withdraw from the second round, the first being Emil. Jesse and Colton won $10,000.
Sources: en.wikipedia.org
Dexamethasone is recommended by the National Health Service in the UK and the National Institutes of Health (NIH) in the US for people with COVID-19 who need either mechanical ventilation or supplemental oxygen (without ventilation). The Infectious Diseases Society of America (IDSA) guideline panel suggests the use of glucocorticoids for people with severe COVID-19, defined as people with SpO2 ≤94% on room air, and those who require supplemental oxygen, mechanical ventilation, or extracorporeal membrane oxygenation (ECMO). The IDSA recommends against the use of glucocorticoids for those with COVID-19 without hypoxemia requiring supplemental oxygen. The World Health Organization (WHO) recommends systemic corticosteroids rather than no systemic corticosteroids for the treatment of people with COVID-19 (strong recommendation, based on moderate certainty evidence). The WHO suggests not to use corticosteroids in the treatment of people with non-severe COVID-19 (conditional recommendation, based on low certainty evidence). The Oxford University RECOVERY Trial issued a press release announcing preliminary results that the drug could reduce deaths by about a third in participants on ventilators and by about a fifth in participants on oxygen; it did not benefit people who did not require respiratory support. A meta-analysis of seven clinical trials of critically ill COVID-19 participants, each treated with one of three different corticosteroids found a statistically significant reduction in death. The largest reduction was obtained with dexamethasone (36% compared to placebo).
Romaine (1806), speaker of the New York State Assembly Egbert Benson (1807), member of the Board of Aldermen of New York City and 4th president of the Saint Nicholas Society of the City of New York, nephew of founding father Egbert Benson Henry H. Ross (1808), U.S. congressman from New York Peter Dumont Vroom (1808), U.S. minister to Prussia and governor of New Jersey John Fine (1809), U.S. congressman from New York John Slidell (1810), Confederate minister to France and a central figure of the Trent Affair during the American Civil War; United States senator from Louisiana, brother-in-law of Admiral Matthew C. Perry Charles G. Ferris (1811), U.S. congressman from New York Van Brugh Livingston (1811), chargé d'affaires to Ecuador Nathanael G. Pendleton (1813), U.S. congressman from Ohio Samuel L. Gouverneur (1817), postmaster of New York City, private secretary, nephew, and son-in-law of President James Monroe James I. Roosevelt (1815), U.S. congressman from New York; brother of Cornelius Roosevelt William Beach Lawrence (1818), U.S. chargé d'affaires for Great Britain and acting governor of Rhode Island William F. Havemeyer (1823), three-time mayor of New York City William Duer (1824), U.S.congressman from New York John McKeon (1825): U.S. attorney, Southern District of New York; U.S. congressman from New York Hamilton Fish (1827), US secretary of state; governor of New York; United States senator from New York John Henry Hobart Haws (1827), U.S. congressman from New York John D.
In atherosclerosis, new blood vessels form within plaques, contributing to their growth and instability. These vessels are often fragile, allowing inflammatory cells and fats to enter, which can cause bleeding inside the plaque and increase the risk of rupture. Some studies in animal models suggest that blocking this vessel growth can reduce atherosclerotic progression. In a myocardial infarction, blocked blood flow deprives heart tissue of oxygen, leading to cell damage. Neovascularization in the surrounding area can help restore oxygen supply and limit further injury. Growth factors such as basic fibroblast growth factor (bFGF) and brain natriuretic peptide (BNP) can promote angiogenesis after an acute MI. Following a stroke, ischemic penumbra (the region surrounding the infarct core) can disrupt the cerebral blood flow. Post-stroke angiogenesis in the area helps restore perfusion and supports neurological recovery. Additionally, arteriogenesis contributes to post-stroke blood flow restoration. Various immune cells and cytokines play a role in regulating angiogenesis after ischemic injury.
=== Shelby's Legendary Shawarma === Shelby's Legendary Shawarma is a shawarma fast food chain that has 42 locations, primarily in Ontario owned by Shelby's Franchise Holdings, Inc. headquartered in Oakville, Ontario. It was founded in 2015 when two Arab men from London, Ontario, Yazan El-Shalabi and Yasser Ali (also known by his public persona of "Shawarma Man") opened a food truck replacing a food trailer in nearby Lambeth originally catering to University of Western Ontario students. After opening its permanent brick-and-mortar location in 2018, Shelby's now operates over 40 locations across Ontario located in the Greater Toronto Area, Ottawa, and southwestern Ontario with plans to expand outside of Ontario, particularly in Western Canada, and internationally, in the United States and United Kingdom in the future. This restaurant serves shawarma wraps, rice bowls, poutines, maneesh and churros. It has a social media presence on YouTube, TikTok, Instagram, X (Twitter) and Facebook.
==== Belizean Creole language ==== For all intents and purposes, Creole is an ethnic and linguistic denomination. Some natives, even with blonde hair and blue eyes, may call themselves Creoles. Belizean Creole or Kriol developed during the time of slavery, and historically was only spoken by former enslaved Africans. It became an integral part of the Belizean identity, spoken by about 45% of Belizeans. Belizean Creole is derived mainly from English. Its substrate languages are the Native American language Miskito, and the various West African and Bantu languages, native languages of the enslaved Africans. Creoles are found all over Belize, but predominantly in urban areas such as Belize City, coastal towns and villages, and in the Belize River Valley.
Sources: en.wikipedia.org
It binds and activates PPARδ, a nuclear receptor that influences gene expression related to fatty acid metabolism and energy balance. This mechanism has been studied mainly in animals and cell models, not established as a safe human therapy.
No. It is not an anabolic-androgenic steroid; it is a synthetic PPARδ agonist. Because it is banned in sport, it is sometimes grouped with doping agents even though its chemical class differs from steroids.
Human data are limited and development was discontinued, so major effects and long-term risks are not well characterized. Some early studies examined metabolic markers, but they do not provide a basis for unsupervised use.
Cardarine is a common name for GW501516, a synthetic PPARδ agonist developed for research. It has not been approved as a medication in any country. It is classified as an unapproved drug and a prohibited substance in sport.