نتایج جستجو برای: phosphatidylserines
تعداد نتایج: 3256 فیلتر نتایج به سال:
Tryptophanyl emission spectra of rabbit muscle glyceraldehyde-3-phosphate dehydrogenase (G3PDH) were measured after the addition of liposomes prepared of natural phospholipids: phosphatidylinositols (PI), phosphatidylserines (PS) and phosphatidylcholines (PC). The measurings were made for various molar lipid/protein ratios (100-1000). A decrease in the enzyme fluorescence intensity and a "red" ...
The characterization of cardio-protective lipid bioactives from cyanobacteria, such as Spirulina spp., has rarely been investigated. In this study, neutral lipids, glycolipids, and phospholipids Irish marine cyanobacterium subsalsa, were tested for anti-inflammatory antithrombotic activities in vitro human platelets. Glycolipids inhibited strongly platelet aggregation induced by platelet-activa...
Tacrine is an acetylcholinesterase (AChE) inhibitor used as a cognitive enhancer in the treatment of Alzheimer's disease (AD). However, its low therapeutic efficiency and a high incidence of side effects have limited its clinical use. In this study, the molecular mechanisms underlying the impact on brain activity of tacrine and two novel tacrine analogues (T1, T2) were approached by focusing on...
The goal of this work is a systematic optimization of hydrophilic interaction liquid chromatography (HILIC) separation of acidic lipid classes (namely phosphatidic acids-PA, lysophosphatidic acids-LPA, phosphatidylserines-PS and lysophosphatidylserines-LPS) and other lipid classes under mass spectrometry (MS) compatible conditions. The main parameters included in this optimization are the type ...
Enantioselective direct aldol reaction of α-substituted nitroacetates with aqueous formaldehyde for the synthesis of α-alkyl serines has been achieved under base-free neutral phase-transfer conditions with a bifunctional chiral phase-transfer catalyst.
Abstract Arabidopsis sepals coordinate flower opening in the morning as ambient temperature rises; however, underlying molecular mechanisms are poorly understood. Mutation of one heat shock protein encoding gene, HSP70-16 , impaired sepal stress responses (HSR), disrupting lipid metabolism, especially cuticular lipids, leading to abnormal opening. To further explore, what extent, lipids play ro...
During apoptosis, apoptotic cells are removed by professional phagocytes or neighboring engulfing cells either directly through phagocytic receptors or indirectly through bridging molecules that cross-link dying cells to phagocytes. However, how bridging molecules recognize "eat me" signals and phagocytic receptors to mediate engulfment remains unclear. Here, we report the structural and functi...
Several receptors are implicated in apoptotic cell (AC) uptake by phagocytic cells; however, their relative dominance in mammalian systems remains to be established. New studies shed light on the role of the phosphatidyl serine (PS) receptor (PSR). Ligation of PSR by PS on AC surfaces is considered essential for signaling uptake of ACs that are tethered to phagocytes via other receptors.
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