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  • Title: Regulation of mouse oocyte growth: probable nutritional role for intercellular communication between follicle cells and oocytes in oocyte growth.
    Author: Herlands RL, Schultz RM.
    Journal: J Exp Zool; 1984 Feb; 229(2):317-25. PubMed ID: 6736890.
    Abstract:
    Intercellular communication, as determined by two different assay procedures, was established in vitro between mouse oocytes free of adhering follicle cells and monolayers of either follicle or 3T3 cells. Both of these cell types are known to be able to form homologous gap junctions, and follicle cells naturally form heterologous gap junctions with oocytes in vivo. Monolayers of L cells that are communication deficient did not establish intercellular communication with oocytes as determined by the two different assays for intercellular communication. The diameter of oocytes cultured for 4 days in medium or on monolayers of L cells decreased markedly, 9.7 and 13.1 micron, respectively. In contrast, oocytes cultured for 4 days on follicle cell monolayers increased on the average about 4.7 micron in diameter. Oocytes cultured for 4 days on monolayers of 3T3 cells decreased slightly in diameter, i.e., 2.1 micron. Results from these experiments support a nutritional role for intercellular communication between follicle cells and oocytes in oocyte growth.
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