Intracellular Magnesium
Mostrando 1-12 de 145 artigos, teses e dissertações.
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1. The effect of magnesium on mitotic spindle formation in Schizosaccharomyces pombe
Abstract Magnesium (Mg2+), an essential ion for cells and biological systems, is involved in a variety of cellular processes, including the formation and breakdown of microtubules. The results of a previous investigation suggested that as cells grow the intracellular Mg2+ concentration falls, thereby stimulating formation of the mitotic spindle. In the prese
Genet. Mol. Biol.. Publicado em: 07/07/2016
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2. Avaliação bioquímica e do consumo alimentar de magnésio em mulheres saudáveis no terceiro trimestre gestacional / Biochemical and food evaluation of magnesium in healthy women in the third trimester of pregnancy
Magnesium (Mg) is an intracellular ion, an essential co-factor for over 300 enzymatic reactions, involved mainly in energy (ATP) generation. Its deficiency has been associated to complications during pregnancy such as preeclampsia, eclampsia, restriction to intrauterine fetal growth and fetal mortality. So, this observational cross-section study aimed to eva
Publicado em: 2009
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3. Efeitos da suplementação de magnésio sobre a pressão arterial, cationtes intracelulares, resistência à insulina em pacientes hipertensos em uso de hidroclorotiazída / Effects of the supplementation of magnesium on blood pressure, intracellular cations, insulin resistance in hypertensive patients using hydrochlorothiazide
Contexto: Existem evidências de que o magnésio apresenta um importante papel na regulação fisiológica da pressão arterial e do metabolismo da glicose. As alterações na homeostase intracelular desse cátion podem ter participação fundamental nos mecanismos fisiopatológicos que contribuem para o desenvolvimento da hipertensão arterial e da resistê
Publicado em: 2009
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4. O EFEITO DO USO CRÔNICO DE HALOPERIDOL ASSOCIADO À DIETA COM ALTO TEOR DE LIPÍDIO NA PEROXIDAÇÃO LIPÍDICA NO FÍGADO DE RATOS WISTAR / THE EFFECT OF LONG TERM HALOPERIDOL USE ASSOCIATED TO HIGH FAT DIET ON THE LIPID PEROXIDATION IN WISTAR RAT LIVER
There is a growing number of evidences, associating the oxidative stress produced by the reactive species of oxygen, with the aging process at one hand, and with the beginning and development of the vascular complications of several chronic and degenerative diseases at another. The type of diet and the usage of specific medicines may be related among the res
Publicado em: 2007
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5. Longissimus dorsi muscle quality characteristics from Bos indicus animals vitamin D3 treated. / Características qualitativas de músculo Longissimus dorsi de animais Bos indicus tratados com vitamina D3.
Among several techniques to improve beef tenderness, vitamin D3 (important to calcium mobilization) become, recently, to be used to actives the intracellular calcium-dependent proteases (m- and m-calpain). Ten days prior to slaughter 36 intact males were fed with 0, 3, 6 and 9 million IU of supplemental vitamin D3 per head per day. After that period, the ani
Publicado em: 2002
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6. Evidence that intracellular magnesium is present in cells at a regulatory concentration for protein synthesis.
When extracellular magnesium is reduced by a factor of 50 (from 1.0 to 0.02 mM), the total intracellular magnesium of a spontaneously transformed clone of 3T3 cells decreases by 30-50%. Protein synthesis rates in these cells were measured as the intracellular magnesium decreased. Protein synthesis rates and magnesium content were found to decrease in paralle
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7. Intracellular free magnesium in erythrocytes of essential hypertension: relation to blood pressure and serum divalent cations.
Intracellular levels of free Mg2+ in human erythrocytes were determined by 31P NMR spectroscopy in 26 fasted subjects and were correlated with blood pressures and serum levels of total magnesium (bound and free Mg2+) and ionized calcium from the same subjects in a seated position. Untreated hypertensive individuals consistently demonstrated lower levels of i
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8. Low intracellular magnesium in patients with acute pancreatitis and hypocalcemia.
To determine the role of magnesium deficiency in the pathogenesis of hypocalcemia in acute pancreatitis, we measured magnesium levels in serum and in peripheral blood mononuclear cells in 29 patients with acute pancreatitis, 14 of whom had hypocalcemia and 15 of whom had normal calcium levels. Only six patients had overt hypomagnesemia (serum magnesium less
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9. Monitoring cytosolic free magnesium in cultured chicken heart cells by use of the fluorescent indicator Furaptra.
Cytosolic free magnesium concentration [Mg2+]i and its regulation were studied in cultured embryonic chicken heart cells by use of the fluorescent indicator 2-[2-(5-carboxy)oxazole]-5-hydroxy-6-aminobenzofuran-N,N,O-triacet ic acid (Furaptra). The intracellular location of Furaptra was confirmed by its complete release from cells upon addition of saponin. Th
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10. Phorbol 12-myristate 13-acetate, ionomycin or ouabain, and raised extracellular magnesium induce proliferation of chicken heart mesenchymal cells.
Cultured chicken heart mesenchymal cells are proliferatively quiescent at low densities in medium containing plasma at 10%. Mitogenic hormones like epidermal growth factor and insulin-like growth factors cause these cells to proliferate very actively, as does infection with avian sarcoma viruses, erythroblastosis virus, or myelocytomatosis virus. We have fou
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11. Manipulation of intracellular magnesium content in polymyxin B nonapeptide-sensitized Escherichia coli by ionophore A23187.
Escherichia coli B cells were sensitized to ionophore A23187 by polymyxin B nonapeptide, and the induced magnesium and potassium ion fluxes were studied. Combined ionophore treatment permeabilized the cytoplasmic membrane of E. coli in an ion-specific manner and allowed the manipulation of intracellular Mg2+ content from the outside. A23187-induced Mg2+ effl
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12. Acid-Base Titration of Streptococci and the Physical States of Intracellular Ions
Acid titrations of intact and butanol-treated cells of Streptococcus faecalis revealed that nearly all of the intracellular K+ ions could diffuse into the suspending medium in association with small anions, including ribonucleic acid breakdown products, when the cell membrane was damaged. In contrast, nearly all of the intracellular Mg2+ ions appeared to be