TROPHOBLAST SPECIFIC BETA 1 GLOBULIN
\tɹˈɒfəblˌast spəsˈɪfɪk bˈiːtə wˈɒn ɡlˈɒbjʊlˌɪn], \tɹˈɒfəblˌast spəsˈɪfɪk bˈiːtə wˈɒn ɡlˈɒbjʊlˌɪn], \t_ɹ_ˈɒ_f_ə_b_l_ˌa_s_t s_p_ə_s_ˈɪ_f_ɪ_k b_ˈiː_t_ə w_ˈɒ_n ɡ_l_ˈɒ_b_j_ʊ_l_ˌɪ_n]\
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A glycoprotein with the electrophoretic mobility of a beta-1 globulin. It is produced by the placental trophoblast and secreted into the maternal bloodstream during pregnancy. It can be detected 18 days after ovulation and its concentration in plasma rises steadily until, at the end of gestation, it reaches 200 mg/ml. It has been proposed as a measure of placental function for fertility control and is a candidate for an early pregnancy test.
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Word of the day
Procollagen Proline Dioxygenase
- mixed-function oxygenase that catalyzes hydroxylation prolyl-glycyl-containing-peptide, usually in protocollagen, hydroxyprolylglycyl-peptide. The enzyme utilizes molecular oxygen with a concomitant oxidative decarboxylation of 2-oxoglutarate to succinate. EC 1.14.11.2.