Localisation and semi-quantitative measurement of lipocortin 1 in rat anterior pituitary cells by fluorescence-activated cell analysis/sorting and electron microscopy.
Lipocortin 1 (LC1, also called annexin 1), a Ca2(+)- and phospholipid-binding protein, is an important mediator of glucocorticoid action in the anterior pituitary gland. Previous studies based on immunoprecipitation and Western blot analysis suggest that LC1 is found intracellularly both in the cytoplasm and in association with membranes and also on the cell surface where it attaches to the membrane by a Ca2(+)-dependent mechanism. However, as yet it is unclear which anterior pituitary cell t...Expand abstract
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