Oocyte-Follicle Cell Gap Junctions in Xenopus laevis and the Effects of Gonadotropin on Their Permeability

Junctions between Xenopus laevis oocytes and follicle cells have been identified as gap junctions by the passage of microinjected fluorescent dye from oocytes to follicle cells. The opening or assembly of these junctions, or both, appears to be regulated by gonadotropins.

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Bibliographische Detailangaben
Veröffentlicht in:	Science (American Association for the Advancement of Science) 1979-01, Vol.203 (4376), p.182-183
Hauptverfasser:	Browne, Carole L., Wiley, H. Steven, Dumont, James N.
Format:	Artikel
Sprache:	eng
Schlagworte:	550300 - Cytology 551000 - Physiological Systems AMPHIBIANS ANIMAL CELLS ANIMALS AQUATIC ORGANISMS AROMATICS BASIC BIOLOGICAL SCIENCES Biology BODY CARBOXYLIC ACIDS Cell Communication - drug effects CELL DIFFERENTIATION Cell Membrane Permeability - drug effects Chorionic Gonadotropin - metabolism Chorionic Gonadotropin - pharmacology DYES Female FEMALE GENITALS FLUORESCEIN FLUORESCENCE Follicles Gap junctions GERM CELLS GONADOTROPINS GONADS Granulosa cells GROWTH HORMONES HYDROXY ACIDS HYDROXY COMPOUNDS Intercellular junctions Intercellular Junctions - drug effects Intercellular Junctions - ultrastructure LUMINESCENCE OOCYTES Oocytes - metabolism Oocytes - ultrastructure ORGANIC ACIDS ORGANIC COMPOUNDS ORGANS Ovarian Follicle - metabolism Ovarian Follicle - ultrastructure OVARIES Ovum - ultrastructure PEPTIDE HORMONES PERMEABILITY PHENOLS PITUITARY HORMONES POLYPHENOLS SOMATIC CELLS VERTEBRATES Xenopus
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Beschreibung
Zusammenfassung:	Junctions between Xenopus laevis oocytes and follicle cells have been identified as gap junctions by the passage of microinjected fluorescent dye from oocytes to follicle cells. The opening or assembly of these junctions, or both, appears to be regulated by gonadotropins.
ISSN:	0036-8075 1095-9203
DOI:	10.1126/science.569364