Results 211 to 220 of about 511,410 (265)
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The Effects of Temperature on Cellular Physiology
Annual Review of Biophysics, 2022Temperature impacts biological systems across all length and timescales. Cells and the enzymes that comprise them respond to temperature fluctuations on short timescales, and temperature can affect protein folding, the molecular composition of cells, and volume expansion.
Benjamin D, Knapp, Kerwyn Casey, Huang
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Cellular Physiology of Mismatch Repair
Current Pharmaceutical Design, 2004The DNA mismatch repair system maintains genomic stability by correcting DNA sequence errors generated during DNA replication, during genetic exchanges between chromosomes i.e., recombination, and by correcting DNA lesions caused by mutagenic agents such as cis-platinum.
X, Wu, Z, Khalpey, M, Cascalho
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Cellular and Physiological Effects of Arginine
Mini-Reviews in Medicinal Chemistry, 2004Arginine is a semi-essential amino acid that is required during periods of maximal growth, severe stress, and injury. Arginine is a substrate for protein synthesis but also modulates cellular biochemical functions via conversion to a number of biologically active compounds.
Betty C, Tong, Adrian, Barbul
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Physiological cellular reprogramming and cancer
Seminars in Cancer Biology, 2010The traditional approaches to cancer research and therapy have been primarily focused in the aspect of aberrant, uncontrolled, proliferation. Although this is clearly a very important issue, however, the emphasis on this characteristic has led to a relative neglect of an essential aspect of cancer biology: the alteration of normal differentiation ...
Abollo-Jiménez, Fernando +2 more
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The Physiology of Cellular Liporegulation
Annual Review of Physiology, 2003▪ Abstract Here we explore the physiologic role of leptin as a liporegulatory hormone responsible for maintaining intracellular homeostasis in the face of wide variations in caloric intake. Normally, rats can tolerate a 60% fat diet because 96% of the surplus fat is deposited in adipocytes. In contrast, when leptin is congenitally absent or inactive,
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CELLULAR PHYSIOLOGY OF THE VOCAL FOLDS
Otolaryngologic Clinics of North America, 2000This article discusses cellular architecture and physiology relevant to phonation biology. The mucociliary blanket and its role in external vocal fold lubrication are presented. The epithelium, basement membrane zone, and lamina propria all have specific roles in oscillating tissue.
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Electroporation and Cellular Physiology
2011Structural integrity of the cellular membrane is of critical importance for cellular viability. The membrane acts as a regulatory barrier for transport into and out of the cell and thereby enables the cell to build up chemical and electrical gradients important for cellular function. A large part of the metabolic energy required for cell function, used
Gissel, Hanne +2 more
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2011
As a component of heme and iron–sulfur cluster-containing proteins, iron is essential for oxygen transport, cellular respiration, DNA synthesis, and numerous other biochemical activities. If iron is limiting, cellular growth arrest and cell death may be a consequence. Conversely, iron excess and “free” reactive iron is toxic.
Martina U. Muckenthaler, Roland Lill
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As a component of heme and iron–sulfur cluster-containing proteins, iron is essential for oxygen transport, cellular respiration, DNA synthesis, and numerous other biochemical activities. If iron is limiting, cellular growth arrest and cell death may be a consequence. Conversely, iron excess and “free” reactive iron is toxic.
Martina U. Muckenthaler, Roland Lill
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Cellular Physiology of the Retina*†
Journal of the Optical Society of America, 1963Cellular activities of the retina are discussed in relation to the maintenance of the internal environment of the organ and the preservation of cell life, including the most important manifestation of disturbed retinal cell life, the degeneration of the visual cells on a hereditary basis. In regard to the former activities, the role of the “nonneuronal”
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Physiological and cellular mechanisms of myocardial protection
The American Journal of Surgery, 1996Despite 40 years of clinically successful open heart surgery, cardiac surgeons continue to seek the ideal myoprotective strategy to minimize perioperative myocardial damage and maximize clinical outcome. Although crude measures, such as length of hospital stay or operative mortality rate, may provide useful administrative data, the ultimate outcome ...
I B, Krukenkamp, S, Levitsky
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