Immunofluorescence localization of an adducin-like protein in the chromosomes of mouse oocytes.

Published

Journal Article

The mouse oocyte expresses a polypeptide of Mr 120,000 that cross-reacts with an antibody to the brain membrane skeletal protein adducin. Immunofluorescence localization showed a bright chromosomal staining reaction in metaphase I and metaphase II oocytes. Following in vitro fertilization the maternal chromosomes lost their immunoreactivity during pronuclear development. The fertilizing sperm chromatin and male pronucleus did not show any detectable staining reaction. Bright chromosomal fluorescence was again observed in the first mitotic metaphase when both maternal and paternal chromosomes gave a positive staining reaction. In contrast to the immunoreactivity of the maternal meiotic chromosomes, the meiotic chromosomes of male germ line cells failed to exhibit any detectable staining reaction and this difference was confirmed by immunolabeling of oocyte and spermatocyte karyotypes. Mitotic chromosomes in preimplantation embryos, fetal liver, adult intestinal epithelium, and MDCK cells also failed to show any detectable labeling reaction. The results suggest that expression of the immunoreactive chromosomal adducin may be a unique feature of oogenesis.

Full Text

Duke Authors

Cited Authors

  • Pinto-Correia, C; Goldstein, EG; Bennett, V; Sobel, JS

Published Date

  • August 1991

Published In

Volume / Issue

  • 146 / 2

Start / End Page

  • 301 - 311

PubMed ID

  • 1864459

Pubmed Central ID

  • 1864459

International Standard Serial Number (ISSN)

  • 0012-1606

Language

  • eng

Conference Location

  • United States