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Aberrant activation of the B cell receptor (BCR) is an emerging hallmark of mature B cell tumors. The BCR initiates a signaling cascade that activates multiple kinases, including SYK, BTK and PI3K?, leading to engagement of the NF-?B, PI3K/AKT, RAS and MAPK pathways, thus promoting proliferation/survival of B cells. Considering this pro-growth outcome, it is not surprising that malignant B cells hijack this signaling module for their benefit.

UT Health San Antonio
Cooney, Jeffrey

Major manifestations of diabetic nephropathy are increased enal hypertrophy involving glomeruli and tubules with expansion of matrix proteins, including fibronectin. These changes occur concomitant with increased expression of transforming growth factor-ø?(TGFø) that contributes to the pathogenesis of human and experimental diabetic nephropathy. The mechanisms by which hyperglycemia and/or TGFø ?result in hypertrophy and increased expression of fibronectin are poorly understood.

UT Health San Antonio
Ghosh Choudhury, Goutam