نتایج جستجو برای: permeabilization
تعداد نتایج: 2702 فیلتر نتایج به سال:
Cytotoxic lymphocytes serve a key role in immune homeostasis by eliminating virus-infected and transformed target cells through the perforin-dependent delivery of proapoptotic granzymes. However, the mechanism of granzyme entry into cells remains unresolved. Using biochemical approaches combined with time-lapse microscopy of human primary cytotoxic lymphocytes engaging their respective targets,...
Liposomes have been widely studied for drug delivery applications. The inclusion of photoactive molecules into liposomes opens the possibility of light-controlled cargo release to enhance drug biodistribution or bioavailability at target sites. Membrane permeabilization induced by light can be an effective strategy for enhancing cargo delivery with spatial and temporal control, which holds pote...
Irrespective of the morphological features of end-stage cell death (that may be apoptotic, necrotic, autophagic, or mitotic), mitochondrial membrane permeabilization (MMP) is frequently the decisive event that delimits the frontier between survival and death. Thus mitochondrial membranes constitute the battleground on which opposing signals combat to seal the cell's fate. Local players that det...
Exposure of cultured diploid fibroblasts to protease solutions induces a hyperpermeable state which permits entry of exogenous macromolecules directly into the cytosol. We have exploited this finding to devise a microinjection method whose chief advantages are simplicity and good retention of cell viability. Proteins successfully injected by this technique range from insulin to thyroglobulin. T...
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