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Developing kidneys of human and murine fetuses have been stained with monoclonal antibodies to desmosomal proteins 1 and 2 (desmoplakins) (dp 1&2), desmosomal glycoprotein 1 (desmoglein) and a polyclonal antiserum to desmosomal glycoproteins 2 and 3 (desmocollins). All three antibodies stain the mesenchymal condensates that represent the first stage in(More)
Mammalian oocytes are arrested at the diplotene phase of the first meiotic division until ovulation. In the mouse, germinal vesicle breakdown (GVBD) and progression to metaphase II is thought to be triggered by a positive signal originating in the follicular cells following stimulation by the luteinizing hormone (LH) surge. Isolated, fully grown oocytes can(More)
The monoclonal antibodies AGF4.48 and AGF4.36 raised against the promyeloid cell line HL60 recognise a fucosylatedN-acetyl lactosamine determinant. This oligosaccharide sequence has been shown to be present on a variety of tissues at different developmental stages. Using the immunoperoxidase technique and the AGF4.48 and AGF4.36 antibodies on(More)
In the spleens of mice infected intraperitoneally with the bacterium Listeria monocytogenes, both alphabeta and gammadelta T cells became rapidly activated, followed by a massive apoptotic death response predominantly within the gammadelta population. The death response involved two major splenic gammadelta T-cell subsets and was Fas/Fas ligand(More)
BACKGROUND In this study, we compared the relative ability of FSH (100 mIU/ml), epidermal growth factor (EGF) (10 ng/ml), and follicular-fluid meiosis-activating sterol (FF-MAS, 10 micromol/l) to induce meiotic resumption and polar body I (PBI) extrusion in mouse oocytes. METHODS Cumulus-enclosed oocytes (CEO) were co-incubated with meiosis-arresting(More)