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We examined the expression of the KCC2 isoform of the K-Cl cotransporter in the developing and adult brain, using an affinity-purified antibody directed against a unique region of the KCC2 protein. Expression was shown to be limited to neurons at the cell bodies and cell processes in the hippocampus and cerebellum. Expression seemed to be the highest at the(More)
Deafness can result from a variety of gene defects. Some genes involved in the physiology of hearing encode membrane transporters that regulate the ionic composition of the fluid bathing the inner ear. The endolymph is an extracellular fluid with an atypical composition that resembles the intracellular milieu, high in K+ and low in Na+. Recent studies have(More)
Na(+)-independent K(+)-Cl(-) cotransporters function in the regulation of cell volume, control of CNS excitability and epithelial ion transport. Several K(+)-Cl(-) cotransporter isoforms are expressed in the nervous system, and KCC3 in particular is expressed at significant levels in both the brain and spinal cord. The cellular localization of this(More)
Vascular endothelial cells (ECs) that initiate tumor angiogenesis may acquire distinct properties after conditioning in tumor microenvironment as compared to ECs in non-malignant tissues. Thus far, most in vitro studies of angiogenesis used ECs isolated from normal tissues, which may not fully represent the nature of ECs in tumor vasculature. In this study,(More)
A small population of stem cell-like precursors in solid tumors are linked to histological composition, progression, angiogenesis, metastasis, recurrence and drug resistance of a variety of malignant tumors. Oligoastrocytoma is the most common brain mixed glioma composed of mixed cells of oligodendroglial and astrocytic phenotypes. Identification and(More)
BACKGROUND It is generally accepted that gliomas are the most common primary brain tumors with poor prognosis. We aimed to explore the relationship of the immunity of the central nervous system and the genesis and development of glioma. METHODS G422 glioma was implanted in the brain of BALB/c mice (immuno-competent mice), nude mice (T cell related(More)
OBJECTIVE To compare the tubulogenesis capability of malignant glioma-derived microvessel endothelial cells (GDMEC) from human brain with that of ECV304 cells in a three dimentional model and to explore the significance of GDMEC in the study on angiogenesis. METHODS The GDMEC were isolated from malignant gliomas of human brain and purified by selective(More)
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