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BACKGROUND The retinoblastoma-susceptibility (Rb) gene is a prototype tumor-suppressor gene originally isolated from patients with heritable retinoblastoma. This gene encodes a nuclear phosphoprotein whose expression is altered in several types of human tumors. METHODS We studied the expression of the Rb protein in 44 primary and 12 metastatic high-grade(More)
The radula of the limpet, Cellana toreuma, consists of a continuous series of teeth in various stages of iron biomineralization. The major iron-binding protein of the limpet's iron-containing granule (siderosome) has been purified and identified as ferritin. Limpet ferritin has a M(r) of 575 kDa and can be resolved into two bands by SDS-PAGE analysis, with(More)
Pax-6 is expressed during early embryonic development of the eye. Very little is known about its expression in the functionally mature retina. We have detected Pax-6 transcripts in the ganglion cell- and amacrine cell layers at days 3, 10, 17 and 31 posthatching and in 2- to 3-month-old chick retina by in situ hybridization. These observations were(More)
Oxidative stress leads to dysfunction in pancreatic cells, causing a reduction in insulin secretion following exposure to glucose. Toll-like receptor 4 (TLR4) may be activated by exposure to lipopolysaccharide (LPS) stress. TLR4 may mediate the initiation of inflammatory and immune defense responses; however, the importance of the LPS/TLR4 interaction in(More)
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