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Ceramide-activated NAD(P)H oxidase has been reported to participate in homocysteine (Hcys)-induced abnormal metabolism of the extracellular matrix (ECM) in rat glomerular mesangial cells. However, it remains unknown whether this ceramide-redox signaling pathway contributes to glomerular injury induced by hyperhomocysteinemia (hHcys) in vivo. The present(More)
Comparative cancer cell proteome analysis is a strategy to study the implication of ceramides in the transmission of stress signals. To better understand the mechanisms by which ceramide regulate some physiological or pathological events and the response to the pharmacological treatment of cancer, we performed a differential analysis of the proteome of(More)
The presence, antigenic specificity, and clinical role of lymphocytotoxic antibodies (LCAs) were studied in 72 Israeli patients with rheumatoid arthritis (RA). Using the microlymphocytotoxicity assay on a cell panel of 47 donors, LCAs were found in 55% of the 72 RA sera, each displaying a distinct pattern of anti-lymphocytic reactivity, mostly against B(More)
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