Room 4331, 3th building, high-tech industrial park, yizhi road, qingshan district, wuhan, China | Body@bodybiological.com |
Place of Origin: | Hubei, China |
Brand Name: | Bodybiological |
Certification: | ISO9001, SGS |
Model Number: | Erythropietin EPO |
Minimum Order Quantity: | 1kit |
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Price: | USD30/kit |
Packaging Details: | Foil bag |
Delivery Time: | 3-7 days |
Payment Terms: | Western Union, MoneyGram, , T/T |
Supply Ability: | 600kits/month |
Product Name: | Erythropietin EPO | Specification: | 3000iu/vial 10vials/kit |
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Appearance: | White Freezed-Dried Powder | Origin: | Hubei, China |
Shipping Method: | Fedex, DHL, TNT, UPS, EMS, HK EMS, EUB... | Export Market: | USA, UK, Thailand, Brazil, France, Spain... |
Policy: | Reshipping Policy | MOQ: | 1Box |
Function: | Male / Female Sex Improvement, Weight Loss | Payment Terms: | Money Gram, Western Union, Bank Transfer |
High Light: | natural hgh supplements,hgh human growth hormone |
99% Purity 3000IU Recombinant Human Erythropoietin EPO for Big Muscle
Detailed Description:
EPO is highly glycosylated (40% of total molecular weight), with half-life in blood around 5 h. EPO's half-life may vary between endogenous and various recombinant versions. Additional glycosylation or other alterations of EPO via recombinant technology have led to the increase of EPO's stability in blood (thus requiring less frequent injections).
Erythropoietin is an essential hormone for red blood cell production. Without it, definitive erythropoiesis does not take place. Under hypoxic conditions, the kidney will produce and secrete erythropoietin to increase the production of red blood cells by targeting CFU-E, proerythroblast and basophilic erythroblast subsets in the differentiation. Erythropoietin has its primary effect on red blood cell progenitors and precursors (which are found in the bone marrow in humans) by promoting their survival through protecting these cells from apoptosis, or cell death.
Erythropoietin is the primary erythropoietic factor that cooperates with various other growth factors (e.g., IL-3, IL-6, glucocorticoids, and SCF) involved in the development of erythroid lineage from multipotent progenitors. The burst-forming unit-erythroid (BFU-E) cells start erythropoietin receptor expression and are sensitive to erythropoietin. Subsequent stage, the colony-forming unit-erythroid (CFU-E), expresses maximal erythropoietin receptor density and is completely dependent on erythropoietin for further differentiation. Precursors of red cells, the proerythroblasts and basophilic erythroblasts also express erythropoietin receptor and are therefore affected by it.
Histroy:
In 1905, Paul Carnot proposed the idea that a hormone regulates the production of red blood cells. After conducting experiments on rabbits subject to bloodletting, Carnot and his graduate student Clotilde-Camille Deflandre attributed an increase in red blood cells in rabbit subjects to a hemotropic factor called hemopoietin. Eva Bonsdorff and Eeva Jalavisto called the hemopoietic substance 'erythropoietin'. K.R. Reissman and Allan J. Erslev demonstrated that a certain substance, circulated in the blood, is able to stimulate red blood cell production and increase hematocrit. This substance was purified and confirmed as erythropoietin.
In 1977, Goldwasser and Kung purified EPO. Pure EPO allowed the amino acid sequence to be partially identified and the gene to be isolated. Synthetic EPO was first successfully used to correct anemia in 1987. In 1985, Lin et al isolated the human erythropoietin gene from a genomic phage library and used it to produce EPO. In 1989, the US Food and Drug Administration approved the hormone Epogen for use in certain anemias.
EPO has been banned since the early 1990s, but a first test was not available until the 2000 Summer Olympics. Before this test was available, no sporters were sanctioned after positive tests, but it happened that they were sanctioned after confessing to having used EPO, for example in the Festina affair, when a car with doping products for the Festina cycling team was found.
The first doping test in cycling was used in the 2001 La Flèche Wallonne. The first rider to test positive in that race was Bo Hamburger, although he was later acquitted because his B-sample was not conclusive.[30]
A 2007 study showed that EPO has a significant effect on exercise performance, but a 2017 study showed that the effects of EPO administered to amateur cyclists was not distinguishable from a placebo.
WHEN WAS A TEST TO DETECT EPO IMPLEMENTED?
A test for EPO was introduced at the 2000 Summer Olympic Games in Sydney (Australia). The test, validated by the International Olympic Committee (IOC), was based on the blood and urine matrix. A blood screening was performed first, and a urine test was then used to confirm possible use of EPO.
In June 2003, WADA’s Executive Committee accepted the results of an independent report stating that urine tests alone can be used to detect the presence of recombinant EPO. This report, requested by WADA’s stakeholders and commissioned by the Agency to evaluate the validity of urinary and blood tests for detecting the presence of recombinant EPO, concluded that urinary testing is the only scientifically validated method for direct detection of recombinant EPO. This report also recommended that urine testing be used in conjunction with blood screening for a variety of reasons, including the cost savings of performing blood screening prior to testing urine. Some international sports federations still use both urine and blood matrix for the detection of EPO. Recently, the urine test was adapted to blood to perform detection of some new erythropoiesis stimulating agents.
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