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Atomic force microscopy (AFM) has become an important device to visualize various cells and biological materials for non-invasive imaging. The major advantage of AFM compared to the conventional optical and electron microscopes is its convenience. Sample preparation for AFM does not need special coating or vacuum as a procedure. AFM can detect samples even under the aqueous condition. Although the...
Glomerular mesangial cells (MCs) are centrally located in the glomerulus. MCs control not only glomerular filtration, but also the response to local injury, including cell proliferation and basement membrane remodeling. Angiotensin II (Ang II) plays an important role in kidney function regulation, and participates in the progression of renal damage, as well as mesangial injury. However, studies on...
Angiotensin II (Ang II)-induced renal injury is partly mediated by growth factors such as VEGF. We have previously shown that Ang II rapidly increases VEGF protein synthesis in proximal tubular epithelial (MCT) cells by augmenting mRNA translation, which is partly dependent on activation and binding of hnRNP K to 3′ untranslated region (UTR) of VEGF mRNA. Regulation of hnRNP K activation by PKCδ was...
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