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Erythropoietin (/ ɪ ˌ r ɪ θ r oʊ ˈ p ɔɪ. ɪ t ɪ n,-r ə-,-p ɔɪ ˈ ɛ t ɪ n,-ˈ iː t ɪ n /; [1] [2] [3] EPO), also known as erythropoetin, haematopoietin, or haemopoietin, is a glycoprotein cytokine secreted mainly by the kidneys in response to cellular hypoxia; it stimulates red blood cell production (erythropoiesis) in the bone marrow.
They are given by injection. [2] Common side effects may include joint pain, rash, vomiting, and headache. [4] Serious side effects may include heart attacks, stroke, increased cancer growth, or pure red cell aplasia. [2] It is unclear if use is safe during pregnancy. [5] [6] They work similar to naturally occurring erythropoietin. [1]
Common side effects include high blood pressure, headache, disabling cluster migraine (resistant to remedies), joint pain, and clotting at the injection site. Rare cases of stinging at the injection site, skin rash, and flu-like symptoms (joint and muscle pain) have occurred within a few hours following administration. More serious side effects ...
The desired effects of steroid precursors however, are often not seen as they do not bind well to androgen receptors. [46] Examples of prohormones include norandrostendione, androstenediol, and dehydroepiandrosterone (DHEA). [45] These steroids have little desired effect compared to anabolic steroids, but have the same side effects. [47]
Continuous erythropoietin receptor activator (CERA) is the generic term for drugs in a new class of third-generation erythropoiesis-stimulating agents (ESAs). In the media, these agents are commonly referred to as 'EPO', short for erythropoietin .
Serious side effects include iatrogenic Cushing's syndrome, hypertension, osteoporosis, diabetes, infection, and skin atrophy. [9] Chemically, methylprednisolone is a synthetic pregnane steroid hormone derived from hydrocortisone and prednisolone. It belongs to a class of synthetic glucocorticoids and more generally, corticosteroids. It acts as ...
Blood doping is a form of doping in which the number of red blood cells in the bloodstream is boosted in order to enhance athletic performance. Because such blood cells carry oxygen from the lungs to the muscles, a higher concentration in the blood can improve an athlete's aerobic capacity (VO 2 max) and endurance. [1]
Boldenone, also known as Δ 1-testosterone, 1-dehydrotestosterone, or androsta-1,4-dien-17β-ol-3-one, is a naturally occurring androstane steroid and a derivative of testosterone. [ 3 ] [ 4 ] [ 7 ] It is specifically testosterone with a double bond between the C1 and C2 positions.