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We have analyzed the role of glutamate and its receptors (GluRs) in regulating the development of oligodendrocytes. Activation of AMPA-preferring GluRs with selective agonists inhibited proliferation of purified cortical oligodendrocyte progenitor (O-2A) cells cultured with different mitogens, as measured by [3H]thymidine incorporation or bromodeoxyuridine(More)
The effects of a variety of antiproliferative agents on voltage-dependent K+ channel function in cortical oligodendrocyte progenitor (O-2A) cells were studied. Previously, we had shown that glutamate receptor activation reversibly inhibited O-2A cell proliferation stimulated by mitogenic factors and prevented lineage progression by attenuating outward K+(More)
Neural cell development is regulated by membrane ion channel activity. We have previously demonstrated that cell membrane depolarization with veratridine or blockage of K+ channels with tetraethylammonium (TEA) inhibit oligodendrocyte progenitor (OP) proliferation and differentiation (); however the molecular events involved are largely unknown. Here we(More)
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