نتایج جستجو برای: liposomes organelles
تعداد نتایج: 28186 فیلتر نتایج به سال:
There has been significant progress in the development of antisense therapeutics for a wide range of medicinal applications. Further improvement will require better understanding of cellular internalization, intracellular distribution mechanisms and interactions of oligodeoxynucleotides with cellular organelles. In many of these processes interactions of oligodeoxynucleotides with lipid assembl...
Liposomes have attracted great interest as efficient carriers for nutrients, drugs and other bioactive agents as well as ideal models for biological membranes. This article intends to provide an overview of liposomes and nanoliposomes definition as well as their properties and preparation methods. Also it elaborates on various applications of nanoliposomes in nanotherapy including diagnostics, ...
pH-sensitive immunoliposomes composed of dioleoylphosphatidyl-ethanolamine and oleic acid (8:2) significantly enhanced the cytotoxic effect of the entrapped drug 1-beta-D-arabinofuranosylcytosine (ara-C) to target L-929 cells, as compared to free drug, drug encapsulated in antibody-free liposomes, or in pH-insensitive immunoliposomes. These pH-sensitive immunoliposomes were ineffective against ...
Membrane bilayers separate organelles from the cytoplasm and nucleoplasm of cells, and cells from their extracellular milieu. The mechanical compliance and tension of these membranes play a central role in their biological functions. For instance, the plasma membrane (which contains both lipid molecules and proteins and is physically connected to the underlying actin-rich cytoskeleton meshwork ...
Vertebrate vision requires photon absorption by photoreceptor outer segments (OSs), structurally elaborate membranous organelles derived from non-motile sensory cilia. The structure and function of OSs depends on a precise stacking of hundreds of membranous disks. Each disk is fully (as in rods) or partially (as in cones) bounded by a rim, at which the membrane is distorted into an energeticall...
Outer membrane of Gram-negative bacteria is a permeability barrier to many antibacterial agents, including the glycopeptide antibiotics such as vancomycin hydrochloride and as a result these antibiotics are ineffective against Gram negative bacteria. Different strategies have been described to overcome such limitation, including application of nanoparticles, as was shown in our previous studies...
The current methods for treatment of cancers are inadequate and more specific methods such as gene therapy are in progress. Among different vehicles, cationic liposomes are frequently used for delivery of genetic material. This investigation aims to prepare and optimize DOTAP cationic liposomes containing an antisense oligonuclotide (AsODN) against protein kinase C alpha in non-small cells lung...
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