Update on the diagnosis and management of prolactin-secreting pituitary adenomas, case reports.
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Adenoma↗
Biomedical subjects
S Blanchard
Publications and source records attributed to S Blanchard.
Ligand-induced conformation changes in Torpedo californica membrane-bound acetylcholine receptor.
A time-dependent increase in ligand affinity has been studied in cholinergic ligand binding to Torpedocalifornica acetylcholine receptor by inhibition of the kinetics of of [125I]-alpha-bungarotoxin-receptor complex formation. The conversion of the acetylcholine receptor from low to high affinity form was induced by both agonists and antagonists of acetylcholine and was reversible upon removal of the ligand. The slow ligand induced affinity change in vitro resembled electrophysiological desensitization observed at the neuromuscular junction and described by a two-state model (Katz, B., & Thesleff, S. (1957) J. Physiol. 138, 63). A quantitative treatment of the rate and equilibrium constants determined for binding of the agonist carbamoylcholine to membrane bound acetylcholine receptor indicated that the two-state model is not compatible with the in vitro results.
Acetylcholine↗
Gentic control of the immune response to the Ea-2 alloantigen system of the mouse. I. The humoral antibody response.
The immunization of selected congenic strains and hybrids against the Ea-2.1 cellular alloantigen of the mouse demonstrated that the hammagglutinating antibody response to Ea-2.1 is regulated by a gene or genes associated with the H-2 gene complex. H-2r and H-2b are, respectively, responder and non-responder haplotypes.
Animals↗
Contour spectral phonocardiography in the assessment of aortic valve disease.
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Adult↗
Emergence of diabetes mellitus in a Mexican-origin population: a multiple cause-of-death analysis.
The "New World syndrome" is comprised of disorders that are hypothesized to have resulted from an interaction of the Amerindian genotype with an environment that includes marked changes in lifestyle and diet. The principal component of the syndrome is adult-onset (noninsulin dependent) diabetes mellitus. The purpose of this paper is to describe the emergence of diabetes in a Mexican-origin population. Using a unique file of multiple-cause mortality data, we have computed standardized mortality ratios and relative standardized mortality ratios for Mexican-origin individuals and for other white persons age 30 and over from the 1930's through the middle 1980's. Results for the study population residing in Bexar County (San Antonio), Texas, show that diabetes mortality for Mexican-origin individuals did indeed increase in a pattern consistent with the New World syndrome hypothesis. This study is the first description of the emergence of diabetes using a data set with consistently defined causes of death and demographic characteristics.
Adult↗