نتایج جستجو برای: rpe
تعداد نتایج: 5014 فیلتر نتایج به سال:
Retinal Pigment Epithelial (RPE) cells play important roles in progression of human ophthalmic diseases. Evidences have showed that Resveratrol (RV) presents benefits for the treatment of ophthalmic diseases. In this study, we investigated the potential molecular mechanism mediated by RV in RPE cells. Transforming Growth Factor beta1 (TGFβ1) and Epithelial-Mesenchymal Transition (EMT) signal pa...
Age-related macular degeneration (AMD) is the leading cause of vision loss among elderly. Although the pathogenesis of AMD is associated with retinal pigmented epithelium (RPE) dysfunction and abnormal neovascularization the detailed mechanisms remain unresolved. RPE is a specialized monolayer of epithelial cells with important functions in ocular homeostasis. Pathological RPE damage contribute...
The retinal pigmented epithelium (RPE) is a monolayer of specialized epithelial cells located between the photoreceptors of the retina and the choroidal blood supply. The RPE is essential for maintaining retinal health and vision. Recent findings identified STAT3 as a newly recognized regulator of RPE survival, inflammatory response, visual cycle maintenance, and cytokine release. Additionally,...
METHODS. Monoclonal antibodies against human integrin subunit ov and heterodimers av/33 (LM609) and av/35 (P1F6) were used to label freshly isolated human fetal RPE explant and cultured human fetal RPE and to immunoprecipitate membrane proteins from cultured human RPE. Effects of antibodies and peptides that inhibit integrin vitronectin receptors on phagocytosis of ROS by RPE were determined us...
Dysfunction and loss of retinal pigment epithelium (RPE) leads to degeneration of photoreceptors in age-related macular degeneration and subtypes of retinitis pigmentosa. Human embryonic stem cells (hESCs) may serve as an unlimited source of RPE cells for transplantation in these blinding conditions. Here we show the directed differentiation of hESCs toward an RPE fate under defined culture con...
Age-related macular degeneration (AMD) is associated with dysfunction and death of retinal pigment epithelial (RPE) cells. Cell-based approaches using RPE-like cells derived from human pluripotent stem cells (hPSCs) are being developed for AMD treatment. However, most efficient RPE differentiation protocols rely on complex, stepwise treatments and addition of growth factors, whereas small-molec...
اپیتلیوم رنگدانه¬دار شبکیه چشم(rpe) یک تک لایه شامل سلول¬هایی است که نورون¬های شبکیه را محافظت می¬کنند. در طول تکوین، rpe و نورون¬های شبکیه از یک پیش¬ساز مشترک به¬نام حباب بینایی منشا می-گیرند. sox2 یک فاکتور رونویسی است که حاوی جعبه hmg است و از ژن¬های مهم در تکوین چشم می¬باشد که دیده شده در شرایط مناسب، تمایززدایی سلول¬های rpe را القا می¬کند. هدف از این مطالعه سنجش توانایی sox2 انتقال¬یافت...
Long intervening non-coding RNAs (lincRNAs) are increasingly being implicated as important factors in many aspects of cellular development, function, and disease, but remain poorly understood. In this study, we examine the human retinal pigment epithelium (RPE) lincRNA transcriptome using RNA-Seq data generated from human fetal RPE (fRPE), RPE derived from human induced pluripotent stem cells (...
Caveolae and their associated structural proteins, the caveolins, are specialized plasmalemmal microdomains involved in endocytosis and compartmentalization of cell signaling. We examined the expression and distribution of caveolae and caveolins in retinal pigment epithelium (RPE), which plays key roles in retinal support, visual cycle, and acts as the main barrier between blood and retina. Ele...
AIMS The authors studied how artificially damaged Bruch's membrane influenced growth and differentiation of transplanted embryonic retinal pigment epithelial (RPE) cells and of host RPE cells in rabbits. METHODS Embryonic RPE cells obtained from pigmented rabbits were transplanted into the subretinal space of adult albino rabbits. The host RPE was removed with a silicone cannula, and Bruch's ...
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