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It is stimulated by decreased O 2 in circulation, which is detected by the kidneys, which then secrete the hormone erythropoietin. [2] This hormone stimulates proliferation and differentiation of red cell precursors, which activates increased erythropoiesis in the hemopoietic tissues, ultimately producing red blood cells (erythrocytes). [2]
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.
It stimulates erythropoiesis (production of red blood cells) in the bone marrow. Calcitriol, the activated form of vitamin D, promotes intestinal absorption of calcium and the renal reabsorption of phosphate. Renin is an enzyme which regulates angiotensin and aldosterone levels.
Erythropoiesis-stimulating agents (ESA) are medications which stimulate the bone marrow to make red blood cells. [1] They are used to treat anemia due to end stage kidney disease , chemotherapy , major surgery, or certain treatments in HIV/AIDS .
Thrombopoietin was cloned by five independent teams in 1994. Before its identification, its function has been hypothesized for as much as 30 years as being linked to the cell surface receptor c-Mpl, and in older publications thrombopoietin is described as c-Mpl ligand (the agent that binds to the c-Mpl molecule). Thrombopoietin is one of the ...
13857 Ensembl ENSG00000187266 ENSMUSG00000006235 UniProt P19235 P14753 RefSeq (mRNA) NM_000121 NM_010149 RefSeq (protein) NP_000112 NP_034279 Location (UCSC) Chr 19: 11.38 – 11.38 Mb Chr 9: 21.87 – 21.87 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse The erythropoietin receptor (EpoR) is a protein that in humans is encoded by the EPOR gene. EpoR is a 52 kDa peptide with a single ...
While the human sexual response cycle begins with desire, followed by arousal, orgasm, and finally resolution, Basson's [29] alternative model is circular and begins with women feeling a need for intimacy, which leads her to seek out and be receptive to sexual stimuli; women then feel sexual arousal, in addition to sexual desire. The cycle ...
These receptors bind are for erythropoietin (important for erythropoiesis), thrombopoietin (important for platelet formation), and interferon (important for mediating immune cell function). [ 14 ] After dimerization of the cytokine receptors following ligand binding, the JAKs transphosphorylate each other.