نتایج جستجو برای: lymphatic irradiation
تعداد نتایج: 82795 فیلتر نتایج به سال:
The lymphatic vascular system is necessary for the return of extravasated interstitial fluid and macromolecules to the blood circulation, for immune defense, and for the uptake of dietary fats. Impaired functioning of lymphatic vessels results in lymphedema, whereas tumor-associated lymphangiogenesis may contribute to the spread of cancer cells from solid tumors. Recent studies have identified ...
Lymphatic endothelium serves as a barrier to control fluid balance and immune cell trafficking to maintain tissue homeostasis. Long-term alteration of lymphatic vasculature promotes edema and fibrosis, which is an aggravating factor in the onset of cardiovascular diseases such as myocardial infarction. Apelin is a bioactive peptide that plays a central role in angiogenesis and cardiac contracti...
Lymphedema, the most common lymphatic anomaly, involves defective lymphatic valve development; yet the epigenetic modifiers underlying lymphatic valve morphogenesis remain elusive. Here, we showed that during mouse development, the histone-modifying enzyme histone deacetylase 3 (Hdac3) regulates the formation of both lymphovenous valves, which maintain the separation of the blood and lymphatic ...
Lymphatic vasculature is an important part of the cardiovascular system with multiple functions, including regulation of the return of interstitial fluid (lymph) to the bloodstream, immune responses, and fat absorption. Consequently, lymphatic vasculature defects are involved in many pathological processes, including tumor metastasis and lymphedema. BRG1 is an important player in the developmen...
Although platelets appear by embryonic day 10.5 in the developing mouse, an embryonic role for these cells has not been identified. The SYK-SLP-76 signaling pathway is required in blood cells to regulate embryonic blood-lymphatic vascular separation, but the cell type and molecular mechanism underlying this regulatory pathway are not known. In the present study we demonstrate that platelets reg...
The major function of the lymphatic system is to drain interstitial fluid from tissue. Functional drainage causes increased fluid flow that triggers lymphatic expansion, which is conceptually similar to hypoxia-triggered angiogenesis. Here, we have identified a mechanotransduction pathway that translates laminar flow-induced shear stress to activation of lymphatic sprouting. While low-rate lami...
BACKGROUND Although the lymphatic system arises as an extension of venous vessels in the embryo, little is known about the role of circulating progenitors in the maintenance or development of lymphatic endothelium. Here, we investigated whether hematopoietic stem cells (HSCs) have the potential to give rise to lymphatic endothelial cells (LEC). METHODOLOGY/PRINCIPAL FINDINGS Following the tra...
Spleen and bone marrow cells from DBA/2 mice protected against infection with a leukemogenic dose of Friend leukemia virus (FLV) by passive therapy with chimpanzee anti-FLV serum were shown to be able to adoptively transfer antiviral resistance to unimmunized irradiated syngeneic recipients. Similar to the results obtained with donor mice immunized against a synge neic FLV erythroleukemia cell ...
Lymphatic vessels have been traditionally considered as passive transporters of lipids particularly from the intestine. However, it became apparent from emerging research that lymphatic vessel can play a more extensive role in lipid metabolism than previously realized. Moreover, recent evidence reveal that lipid deposition in the form of white adipose tissue or cholesterol as observed in obesit...
BACKGROUND New lymphatic growth may contribute to tumor metastasis. Activation of vascular endothelial growth factor receptor 3 (VEGFR-3) by its ligands VEGF-C and -D is necessary for embryonic and tumor lymphangiogenesis. However, the exact role of VEGFR-3 signaling in adult lymphangiogenesis and in lymphatic vessel survival and regeneration is unclear. METHODS A novel rat monoclonal antibod...
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