Lens-specific promoter activity of a mouse gamma-crystallin gene.
نویسندگان
چکیده
منابع مشابه
Synthesis of gamma crystallin by a cloned cell line from Nakano mouse lens.
A cloned cell line was derived from a culture of Nakano mouse lens epithelial cells. The cloned cells grew vigorously and produced large numbers of lentoid bodies. Sodium dodecyl sulfate (SDS) and non-SDS slab-gel electrophoresis of the soluble proteins from the cultured cell revealed protein bands identical in pattern to those of purified gamma crystallin. Antibody to mouse gamma crystallin re...
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The alphaB-crystallin/small heat shock protein gene is expressed very highly in the mouse eye lens and to a lesser extent in many other nonocular tissues, including the heart, skeletal muscle and brain. Previously we showed in transgenic mice that lens-specific alphaB-crystallin promoter activity is directed by a proximal promoter fragment (-164/+44) and that non-lens promoter activity depends ...
متن کاملHomologous and heterologous enhancers modulate spatial expression but not cell-type specificity of the murine gamma F-crystallin promoter.
Previous studies have shown that mouse gamma F-crystallin sequences -759 to +45, which include the core promoter and two upstream enhancer elements, contain sufficient information for directing gene expression to terminally differentiated fiber cells of the ocular lens. To investigate the role that proximal sequences of the mouse gamma F-crystallin promoter play in the developmental regulation ...
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The abundant soluble proteins of the eye lens, the crystallins, are encoded by several gene families which are developmentally regulated in the embryonic lens. We have studied the expression of the murine alpha A-crystallin gene. Transfection experiments using the pSVO-CAT vector and explanted lens epithelia from embryonic chickens demonstrated proximal (-88 to -60) and distal (-111 to -85) reg...
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The alphaB-crystallin and HspB2 genes are located approximately 0.9 kb apart in a head-to-head arrangement in mammals. Previous experiments have shown that a truncated -668/+45 alphaB-crystallin enhancer/promoter fragment from blind mole rats (Spalax ehrenbergi), which have nonfunctional lenses, lacks lens activity and has enhanced muscle activity in transgenic mice. Here we show that the full-...
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ژورنال
عنوان ژورنال: Molecular and Cellular Biology
سال: 1985
ISSN: 0270-7306,1098-5549
DOI: 10.1128/mcb.5.9.2221