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[Interaction of pregnancy proteins with phytohemagglutinin P and concanavalin A (con A)]. 1985

S K Krivonosov, and N A Zorin, and N K Ionova, and A A Terent'ev, and Iu S Tatarinov

It has been established that trophoblast-specific beta-glycoprotein and pregnancy-associated alpha 2-glycoprotein specifically react with non-fixed PHA and Con A. Affinity to the former protein is significantly higher than to the latter one. alpha-Fetoprotein has a low affinity to Con A alone. Affinity to this lectin is in an agreement with the content of carbohydrates contained by pregnancy proteins. A considerable part of human serum proteins bind with Con A; receptors for PHA possess only some serum proteins. As the above-mentioned lectins are often used for stimulation of lymphocyte blast transformation, in is recommended that the constituent parts of the culture medium should be preliminarily tested to specify more accurately their affinity to PHA and Con A.

UI MeSH Term Description Entries
D010835 Phytohemagglutinins Mucoproteins isolated from the kidney bean (Phaseolus vulgaris); some of them are mitogenic to lymphocytes, others agglutinate all or certain types of erythrocytes or lymphocytes. They are used mainly in the study of immune mechanisms and in cell culture. Kidney Bean Lectin,Kidney Bean Lectins,Lectins, Kidney Bean,Phaseolus vulgaris Lectin,Phaseolus vulgaris Lectins,Phytohemagglutinin,Hemagglutinins, Plant,Lectin, Kidney Bean,Lectin, Phaseolus vulgaris,Lectins, Phaseolus vulgaris,Plant Hemagglutinins
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011257 Pregnancy Proteins Proteins produced by organs of the mother or the PLACENTA during PREGNANCY. These proteins may be pregnancy-specific (present only during pregnancy) or pregnancy-associated (present during pregnancy or under other conditions such as hormone therapy or certain malignancies.) Placental Proteins,Proteins, Placental,Proteins, Pregnancy
D011263 Pregnancy Trimester, Third The last third of a human PREGNANCY, from the beginning of the 29th through the 42nd completed week (197 to 294 days) of gestation. Pregnancy, Third Trimester,Trimester, Third,Last Trimester,Last Trimesters,Pregnancies, Third Trimester,Pregnancy Trimesters, Third,Third Pregnancy Trimester,Third Pregnancy Trimesters,Third Trimester,Third Trimester Pregnancies,Third Trimester Pregnancy,Third Trimesters,Trimester, Last,Trimesters, Last,Trimesters, Third
D011268 Pregnancy-Specific beta 1-Glycoproteins Glycoproteins with the electrophoretic mobility of BETA-GLOBULINS, secreted by the placental TROPHOBLASTS into the maternal bloodstream during PREGNANCY. They can be detected 18 days after OVULATION and reach 200 mg/ml at the end of pregnancy. They are associated with fetal well-being. Pregnancy-Specific beta 1-Glycoprotein,SP1 Pregnancy Protein,Trophoblast-Specific beta 1-Glycoprotein,beta 1-Glycoprotein, Pregnancy-Specific,beta-1 Glycoprotein, Trophoblast-Specific,PAPP-B,PAPP-C,PSBG-1,Pregnancy Specific beta 1 Glycoprotein,Pregnancy Specific beta-1 Glycoprotein,Pregnancy Specific beta1-Glycoprotein.,Pregnancy-Associated Plasma Protein B,Pregnancy-Associated Plasma Protein C,Pregnancy-Associated beta-Plasma Protein,Pregnancy-Specific beta-1 Globulin,Schwangerschaftsprotein 1,Trophoblastic beta 1-Glycoprotein,Trophoblastic beta(1)-Globulin,Trophoblastic beta-Globulin,beta 1-Globulin, Trophoblast-Specific,1-Glycoproteins, Pregnancy-Specific beta,PAPP B,PSBG 1,Pregnancy Associated Plasma Protein B,Pregnancy Associated Plasma Protein C,Pregnancy Protein, SP1,Pregnancy Specific beta 1 Globulin,Pregnancy Specific beta 1 Glycoproteins,Protein, SP1 Pregnancy,Trophoblast Specific beta 1 Glycoprotein,Trophoblast-Specific beta 1-Globulin,Trophoblast-Specific beta-1 Glycoprotein,Trophoblastic beta Globulin,beta 1 Globulin, Trophoblast Specific,beta 1-Glycoproteins, Pregnancy-Specific,beta-1 Globulin, Pregnancy-Specific,beta-Globulin, Trophoblastic
D002846 Chromatography, Affinity A chromatographic technique that utilizes the ability of biological molecules, often ANTIBODIES, to bind to certain ligands specifically and reversibly. It is used in protein biochemistry. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Chromatography, Bioaffinity,Immunochromatography,Affinity Chromatography,Bioaffinity Chromatography
D002850 Chromatography, Gel Chromatography on non-ionic gels without regard to the mechanism of solute discrimination. Chromatography, Exclusion,Chromatography, Gel Permeation,Chromatography, Molecular Sieve,Gel Filtration,Gel Filtration Chromatography,Chromatography, Size Exclusion,Exclusion Chromatography,Gel Chromatography,Gel Permeation Chromatography,Molecular Sieve Chromatography,Chromatography, Gel Filtration,Exclusion Chromatography, Size,Filtration Chromatography, Gel,Filtration, Gel,Sieve Chromatography, Molecular,Size Exclusion Chromatography
D003208 Concanavalin A A MANNOSE/GLUCOSE binding lectin isolated from the jack bean (Canavalia ensiformis). It is a potent mitogen used to stimulate cell proliferation in lymphocytes, primarily T-lymphocyte, cultures.
D003378 Counterimmunoelectrophoresis Immunoelectrophoresis in which immunoprecipitation occurs when antigen at the cathode is caused to migrate in an electric field through a suitable medium of diffusion against a stream of antibody migrating from the anode as a result of endosmotic flow. Electrosyneresis,Immunoelectroosmophoresis,Immunoelectrophoresis, Countercurrent,Immunoelectrophoresis, Crossover,Countercurrent Immunoelectrophoresis,Crossover Immunoelectrophoresis
D004347 Drug Interactions The action of a drug that may affect the activity, metabolism, or toxicity of another drug. Drug Interaction,Interaction, Drug,Interactions, Drug

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