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Human chorionic gonadotropin (hCG) is a specific tumor marker glycoprotein hormone for trophoblastic diseases. It contains 4 asparagine-linked and 4 serine-linked carbohydrate units. Recently, variations in the carbohydrate moieties of hCG in chorio-carcinoma have been suggested. However, the
Human chorionic gonadotropin (hCG) highly purified from the urine of patients with trophoblastic diseases (choriocarcinoma and hydatidiform mole) and from healthy pregnant women contains four asparagine-linked sugar chains in one molecule. Comparative studies of the sugar chains released by
We have studied the biochemical properties of urinary immunoreactive-human Chorionic Gonadotropin (IR-hCG) using the human thyroid gland in vitro slice method to investigate the thyrotropic activity in purified IR-hCG of patients with thyroid hyperfunction associated with trophoblastic disease.
hCG is a glycoprotein hormone composed of two dissimilar subunits. This hormone is not only heterogeneous in peptide structure but also in combination of subunits and carbohydrate structure. Common hCG-related molecules include hCG, hyperglycosylated hCG, nicked hCG, hCG missing the beta-subunit
Human chorionic gonadotropin (hCG) from urine of patients with trophoblastic diseases was analyzed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), followed by Western blotting using specific antibodies. Western blotting using anti-hCG beta carboxy-terminal peptide (CTP)
Molecular weights (MW) of urinary human chorionic gonadotropin (hCG) from trophoblastic diseases were analyzed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), followed by Western blotting using specific antibodies. Although the MW of hCG beta from hydatidiform mole and
Human chorionic gonadotropin (hCG) is a glycoprotein composed of 2 dissimilar subunits, alpha and beta, joined non-covalently. This hormone is not only heterogeneous in peptide structure but also in combination of subunits and in the structure of carbohydrate side chains. Common hCG-related
Certain immunologic and hormono-metabolic indexes were studied in patients with hydatidiform mole and uterine choriocarcinoma. Changes in T- and B-lymphocyte ratio were observed: B-lymphocyte levels were abnormally high in hydatidiform mole while those of T-lymphocytes-low in choriocarcinoma.
The ability to reliably detect aberrant glycosylation of human chorionic gonadotropin (hCG) may have profound implications for the diagnosis and monitoring of malignant gestational trophoblastic neoplasia, germ cell tumors, other malignancies, and pregnancy complications. To become a clinically
PP19, a new placental tissue protein, has alpha 1-beta 1 electrophoretic mobility, a molecular weight of 36,500 and 3.9% carbohydrate. To study immunocytochemical PP19 localization in extravillous trophoblast, we obtained formalin-fixed specimens from extravillous tubal pregnancy at gestational
Human chorionic gonadotropin (hCG) was extracted and purified from urine of normal pregnant women and patients with hydatidiform mole and choriocarcinoma using the sam methods. Both hCG-hydatidiform mole and hCG-choriocarcinoma as well as hCG-normal pregnancy was separated into alpha and beta
There is now convincing evidence that the human placenta produces factors which have some role in regulating maternal thyroid function during normal pregnancy and are capable of inducing overt hyperthyroidism in some pregnant women and in patients with trophoblastic tumors. As far as the biochemical
Human chorionic gonadotropin (hCG) is a placental hormone and marker for the differentiation process of cytotrophoblast cells to syncytial trophoblasts. It is secreted into the maternal circulation and urine. The glycoprotein hCG is also found in the serum and urine of patients with malignant
The human chorionic gonadotropin (hCG) beta-core fragment (beta-CF) is a major molecular form of hCG beta subunit (hCGbeta) immunoreactivity in the urine of pregnant women and patients with trophoblastic disease. The majority of evidence supports the fact that the beta-CF is a degradative product of
Human chorionic gonadotropin (hCG) was extracted and purified from the urine of four patients with hydatidiform mole. The immunological activities of the hCG-hydatidiform mole by hCG radioimmunoassay (RIA) ranged from 9,380 to 9,700 IU/mg, and the biological activities measured by the immature rat