Bioscience Reports
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Apoptosis Dependent Decrease of the Intramembrane Ion Traffic in Cultured Mouse Fibroblasts Shown by Conductivity Dispersion
Bioscience Reports - Tập 17 - Trang 547-556 - 1997
We have investigated the intramembranal ion traffic in apoptotic 3T6 cells in culture. Apoptosis was induced by various treatments, such as serum deprivation, high density growth and hydrogen peroxide at subnecrotic doses. Cell death was assessed by nucleosomal DNA fragmentation, single cell electrophoresis, immunofluorescence and histological staining. To study the modifications of membrane struc...... hiện toàn bộ
Participation of Chloroplasts in Plant Apoptosis
Bioscience Reports - Tập 23 - Trang 103-117 - 2003
Mitochondria are known to participate in the initiation of programmed cell death (PCD) in animals and in plants. The role of chloroplasts in PCD is still unknown. We describe a new system to study PCD in plants; namely, leaf epidermal peels. The peel represents a monolayer consisting of cells of two types: phototrophic (guard cells) and chemotrophic (epidermal cells). The peels from pea (Pisum sat...... hiện toàn bộ
Trypsin digestion of core chromatinChicken erythrocyte core chromatin was digested with trypsin for 18 h. Five major limit petides were produced with mol. wts, from 10 800 to 8000 which arose from the central regions of each core histone. The basic amino- and carboxyl-terminal regions of each core histone were digested to small peptides having an average size of less than six amino acids. The small basic peptides, 25% by we... ... hiện toàn bộ
Bioscience Reports - - 1983
Tính mô-đun trong hành vi của tế bào hủy xương và sự ức chế chức năng tế bào hủy xương theo kiểu Dịch bởi AI
Bioscience Reports - Tập 10 - Trang 547-556 - 1990
Nghiên cứu này là một phần trong nỗ lực hiểu vai trò của các hoạt động tế bào cụ thể trong quá trình tái hấp thu xương. Các thí nghiệm đã được thực hiện trong đó những tác nhân dược lý đã được sử dụng để ức chế từng chế độ hoạt động của tế bào hủy xương, chẳng hạn như sự di động và sự tiết. Các tác động của những điều trị này đối với quá trình tái hấp thu xương được đánh giá bằng phương pháp hiển ...... hiện toàn bộ
#tế bào hủy xương #quá trình tái hấp thu xương #chế độ hoạt động #ức chế chức năng #nghiên cứu dược lý
Lytic effect of heparin on liposomes: possible mechanism of lysis of red blood cells by heparin
Bioscience Reports - Tập 3 - Trang 39-46 - 1983
17β-Estradiol Enhances the Flux of Cholesterol Through the Cholesteryl Ester Cycle in Human Macrophages
Bioscience Reports - Tập 21 - Trang 637-652 - 2001
Estrogens have been shown to have many positive effects on the function of arterial wall, and recent evidence suggest that 17β-estradiol has a direct action in reducing the accumulation of cholesteryl ester in macrophages. The mechanisms underlying the effects of 17β-estradiol on foam cell formation, however are poorly understood. The aim of this study is to investigate the role of 17β-estradiol i...... hiện toàn bộ
The interaction of prostaglandins with human serum lipoproteins
Bioscience Reports - Tập 9 - Trang 27-40 - 1989
Using high density and low density lipoproteins (HDL and LDL) labeled with fluorescent analogues of phosphatidylcholine or sphingomyelin it was found that low amounts (10−12 M) of prostaglandins E1 and F2α induced different structural rearrangements of the lipoprotein surface, whereas prostaglandins E2 and F1α had no effect. The effects of prostaglandin E1 on HDL were largely paralled by those of ...... hiện toàn bộ
Effect of transbilayer phospholipid distribution on erythrocyte fusion
Bioscience Reports - Tập 9 - Trang 623-633 - 1989
Phospholipid packing has been suggested as a relevant variable in the control of membrane fusion events. To test this possibility in a model system, a comparison was made of the fusability of erythrocytes with a normal asymmetric transbilayer distribution of plasma membrane phospholipids (tightly packed exterior lipids) and erythrocytes with a symmetric transbilayer distribution of phospholipids (...... hiện toàn bộ
The regulation of protein synthesis in mammalian cells by amino acid supply
Bioscience Reports - Tập 1 - Trang 35-44 - 1981
Phosphorus-31 NMR studies of smooth muscle from guinea-pig taenia coliPhosphorus-31 NMR spectra of superfused isometrically mounted guinea-pig taenia coli were obtained using a horizontal probe at 103.2 MHz. The spectra showed resonances for ATP, phosphocreatine (PCr), and a sugar phosphate resonance. The PCr/ATP ratio was between 1.5 and 2.0 consistent with chemical analysis of tissue extracts. The level of PCr, but not of ATP, decreases reversibly during c... ... hiện toàn bộ
Bioscience Reports - - 1983
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