Abstract：
:Mg2+ is known to influence conductance and gating properties of a multitude of ion channels and is thus able to modulate synaptic transmission. Therefore, a tight regulation of the intracellular free Mg2+ concentration ([Mg2+]i) in neurones and glial cells is crucial for maintaining the functions of central nervous systems. [Mg2+]i is regulated through the balance of Mg2+ influx and Mg2+ efflux, together with heavy damping of [Mg2+]i changes through intracellular buffering and sequestration. To investigate the mechanisms involved in [Mg2+]i regulation, neurones and glial cells from the central nervous system of the leech Hirudo medicinalis proved to be an ideal model system. The present article summarizes the evidence for a Mg2+ influx pathway which is distinct from that for Ca2+, for a dual regulation of Mg2+ efflux (a 1 Na+/1 Mg2+ antiport and a Na(+)-independent Mg2+ efflux mechanism), for pH-dependent Mg2+ buffering through ATP and other intracellular Mg2+ binding components and for the involvement of mitochondria in intracellular Mg2+ sequestration.
journal_name
Magnes Resjournal_title
Magnesium researchauthors
Günzel D,Schlue WRsubject
Has Abstractpub_date
2000-06-01 00:00:00pages
123-38issue
2eissn
0953-1424issn
1952-4021journal_volume
13pub_type
杂志文章,评审abstract：:Epidemiological studies of populations living in areas of low magnesium (Mg) intake have consistently shown a higher cardiovascular morbidity. Several hypotheses have been advanced to explain the cardioprotective properties of magnesium. Few studies, however, have analysed the relation of magnesium to haemostasis. The...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：1996-10-01 00:00:00
abstract：:The sudden infant death syndrome (SIDS) remains a leading cause of death during the first year. The common epidemiological and pathological data which characterize SIDS include the curve for age at death (with 3 months as modal age), the stigmata of early maternal intrauterine injury, the seasonal predominance in wint...
journal_title：Magnesium research
pub_type： 杂志文章,评审
doi：
更新日期：1991-09-01 00:00:00
abstract：:To determine whether oral magnesium supplementation modifies serum levels of high-sensitivity C-reactive protein (hsCRP), TNF-alpha, IL-6, and IL-10 in subjects with prediabetes, inflammation, and hypomagnesemia, a total of 26 subjects men and non-pregnant women were included and randomly allocated to receive 30 ml of...
journal_title：Magnesium research
pub_type： 杂志文章,随机对照试验
doi：10.1684/mrh.2012.0322
更新日期：2012-07-01 00:00:00
abstract：:The purpose of the research work was to study the influence of alpha-zearalenol on magnesium concentration in cellular subfractions of certain tissues of female rats and their progeny. Pregnant female rats received alpha-zearalenol at the doses of: 0.05, 0.5 or 1 mg x kg(-1) b.w. After delivery, brain, liver and kidne...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：2003-06-01 00:00:00
abstract：:The use of fluorescent indicators to quantify intracellular magnesium ([Mg(2+)]i) requires accurate determination of the dissociation constant (K(D)). Ideally, the K(D) should be determined intracellularly; however, in practice this is difficult to achieve. An alternative method is to measure the K(D) in solutions whi...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：1995-12-01 00:00:00
abstract：UNLABELLED:Comprehensive analytical review of 44 human studies in 43 publications of oral Magnesium (Mg) therapy for hypertension (HT) shows Mg supplements may enhance the blood-pressure (BP) lowering effect of anti-hypertensive medications (medications) in Stage 1 HT subjects. 9 studies conducted on subjects treated w...
journal_title：Magnesium research
pub_type： 杂志文章
doi：10.1684/mrh.2010.0198
更新日期：2010-03-01 00:00:00
abstract：:Lipid and protein peroxidations were investigated in female patients with magnesium deficit (MD), fibromyalgia (FM) and age matched controls: malondialdehyde and protein carbonyls (PC), as well as serum, leucocyte and erythrocyte magnesium (EMg) were assessed in 20 controls, 25 FM and 16 MD patients. MDA are unchanged...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：1996-12-01 00:00:00
abstract：BACKGROUND:Changes in plasma matrix metalloproteinase 9 (MMP-9) concentrations and parallel changes in brain magnesium homeostasis have not been examined in cardiac surgery patients. The purpose of the present study was to analyse these relationships in patients undergoing coronary artery bypass surgery (CABG) with ext...
journal_title：Magnesium research
pub_type： 杂志文章
doi：10.1684/mrh.2010.0219
更新日期：2010-12-01 00:00:00
abstract：:Audiogenic seizures triggered by an acoustic stimulus of determined frequency and amplitude have been described in many laboratory animals in many circumstances including magnesium deficiency. This model, recently validated, was used, in DBA/2 mice, to study the preventive neuroprotective effect of 6 wavelengths of th...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：2003-03-01 00:00:00
abstract：:Calcium (Ca(2+)) and magnesium (Mg(2+)) are important metal elements that regulate a variety of cellular processes such as proliferation, migration, and apoptosis, in cancer cells. Among the ionic channels mediating intracellular entry, the transient receptor potential melastatin type 7 (TRPM7) channel is of particula...
journal_title：Magnesium research
pub_type： 杂志文章
doi：10.1684/mrh.2014.0367
更新日期：2014-07-01 00:00:00
abstract：:Sodium bicarbonate is used to treat metabolic acidosis, or to induce metabolic alkalosis in sick neonates. The aim of this study was to quantify the decrease in serum concentration of ionized magnesium ([Mg2+]) when sodium bicarbonate is added to neonatal serum in vitro. Sodium bicarbonate was added to 30 cord serum s...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：2004-06-01 00:00:00
abstract：:Competitive divalent (magnesium and calcium) or monovalent (potassium, lithium and sodium) ion exchange and its influence on a membrane potential formation was studied at biological ligands (BL) such as adenosine triphosphate (ATP), asparagine (Asn) and glutamine (Gln) sites. The sites are dispersed electrochemically ...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：2009-03-01 00:00:00
abstract：INTRODUCTION:The present study investigated associations between environmental exposure to magnesium (Mg) and the levels of oxidative stress parameters and selected cytokines, and the antioxidant defense system in the seminal plasma of fertile males. MATERIALS AND METHODS:The study population consisted of 57 healthy, ...
journal_title：Magnesium research
pub_type： 杂志文章
doi：10.1684/mrh.2015.0377
更新日期：2015-01-01 00:00:00
abstract：:The current study assessed the neuroprotective efficacy of magnesium using a FAST-Mag trial treatment protocol alone, and in combination with mild hypothermia, in Sprague Dawley rats subjected to permanent, middle cerebral artery occlusion (MCAO). Treatment with magnesium (MgSO4.7H2O) consisted of an intravenous loadi...
journal_title：Magnesium research
pub_type： 杂志文章
doi：10.1684/mrh.2013.0340
更新日期：2013-04-01 00:00:00
abstract：:In therapy it is known that the combination of vitamin B6 and magnesium is beneficial in the treatment of several forms of primary magnesium deficiency. The purpose of the present study was to investigate the effect of complex magnesium supplementation containing mineral bishofit solution (MgCl2 x 6H2O) and pyridoxine...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：2002-12-01 00:00:00
abstract：:More and more studies are accumulating about COVID-19. Some aspects of the pathogenesis of the disease recall events occurring in Mg deficiency, such as a drop of T cells, increased plasma concentration of inflammatory cytokines, and endothelial dysfunction. We hypothesize that a low Mg status, which is rather common,...
journal_title：Magnesium research
pub_type： 杂志文章
doi：10.1684/mrh.2020.0465
更新日期：2020-05-01 00:00:00
abstract：:Ageing is associated with a general decline in physiological functions. Amongst the different aspects of body deterioration, cognitive impairments, and particularly defects in learning and memory, represent one of the most frequent features in the elderly. However, a great variability exists among aged subjects. Clini...
journal_title：Magnesium research
pub_type： 杂志文章,评审
doi：
更新日期：2006-09-01 00:00:00
abstract：:Dependency on extracellular calcium influx in contractile response to noradrenaline has been investigated in the thoracic aorta isolated from dietary magnesium (Mg) deficient rats. Adult male Wistar rats were fed with a Mg deficient diet (0.001% Mg) for 30 days, together with control groups (0.07% Mg). The contractile...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：1989-09-01 00:00:00
abstract：:The study was designed to investigate the role of magnesium (Mg) pretreatment on reduced glutathione (GSH) levels in kidney, liver and testis of mice intoxicated with cadmium (Cd). Animals were divided into four groups: I--controls, II--Cd group: mice intoxicated with Cd, III--Mg+Cd group: mice given Mg 1 h before Cd,...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：2007-09-01 00:00:00
abstract：:Magnesium (Mg) deficiency strongly affects muscle performance. In judo, many athletes often undergo impressive weight changes associated with severe dehydration. Common practices used by athletes to achieve a target weight can lead to Mg deficit. This study aimed to understand the impact of Mg changes on strength from...
journal_title：Magnesium research
pub_type： 杂志文章
doi：10.1684/mrh.2010.0217
更新日期：2010-09-01 00:00:00
abstract：:46 children, aged 2-6 years, with decreased magnesium concentrations in hair, were studied. Magnesium supplementation consisted of Asmag preparation for 3 months and multivitamin Multi-tabs preparation (containing magnesium, but without calcium) for the following 4 months. Control studies were performed again after 7 ...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：2001-03-01 00:00:00
abstract：:The goal of this review is to bring to the attention of the readership of Magnesium Research another facet of the importance of magnesium, i.e. magnesium-based biomaterials. A concise history of biomaterials and magnesium are thus presented. In addition, historical and current, clinical magnesium-based applications ar...
journal_title：Magnesium research
pub_type： 杂志文章,评审
doi：10.1684/mrh.2015.0375
更新日期：2014-10-01 00:00:00
abstract：:A tight coupling between ionic currents, intracellular Ca2+ homeostasis, cytosolic [ADP] and deltaG of ATP hydrolysis underlies the regulation of cardiac cell function. As more experimental detail on the biochemistry and biophysics of these complex processes and their interactions accumulates, the intuitive interpreta...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：2008-03-01 00:00:00
abstract：UNLABELLED:Magnesium (Mg) plays an important role in lymphocyte function. Low blood concentration of Mg may result in intralymphocyte imbalance and in turn may be associated with intensified apoptosis of peripheral blood lymphocytes. Due to its multistage character; extracorporeal circulation (ECC) may augment Mg disor...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：2005-12-01 00:00:00
abstract：:We evaluated the effects of oral magnesium supplementation on plasma lipid concentrations in patients with non-insulin-dependent diabetes mellitus. Twenty-six persons with non-insulin-dependent diabetes mellitus received 4.5 g magnesium pidolate/d for one month, and 17 persons received placebo. Before and at the end o...
journal_title：Magnesium research
pub_type： 临床试验,杂志文章
doi：
更新日期：1994-03-01 00:00:00
abstract：:Traumatic brain injury (TBI) confers a major burden to Western society and effective treatments are urgently required to improve the long-term deficits that inflict TBI survivors. Depletion of intracellular Mg(2+) is a well-known phenomenon occurring after TBI and is associated with poor neurological outcome. However,...
journal_title：Magnesium research
pub_type： 杂志文章,评审
doi：10.1684/mrh.2009.0189
更新日期：2009-12-01 00:00:00
abstract：:The consequences of broad-scale alterations in magnesium (Mg2+) levels on learning and memory are poorly understood. We have recently demonstrated that adult male mice maintained on an Mg2+-deficient diet exhibit reduced conditional freezing behavior. The purpose of the present study was to determine if the detrimenta...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：2007-03-01 00:00:00
abstract：:Magnesium (Mg) and nickel (Ni) are biologically active elements in higher animals. Recent studies in vivo as well as in vitro point to interactions of Ni and Mg; non-immunological roles of these elements are reviewed here. Ni and Mg play roles in some of the same enzyme and endocrine systems, body and cell structures,...
journal_title：Magnesium research
pub_type： 杂志文章,评审
doi：
更新日期：1992-09-01 00:00:00
abstract：:The relation between histamine metabolism and an appearance of pinnal hyperaemia during magnesium (Mg) deficiency, and the effects of some factors on these were studied in 3-week-old Wistar rats. On a Mg-deficient diet (Mg 0.001%), the histamine concentrations in plasma and urine increased after 4-5 d, and reached a m...
journal_title：Magnesium research
pub_type： 杂志文章
doi：
更新日期：1988-12-01 00:00:00
abstract：:Electrolyte abnormalities are a frequent and potentially hazardous complication in the treatment of patients with congestive heart failure. Medical treatment with diuretics and/or digitalis, as well as neurohumoral activation most likely initiated by the compromised cardiac function, contributes to this alteration. Th...
journal_title：Magnesium research
pub_type： 临床试验,杂志文章,随机对照试验
doi：
更新日期：1992-03-01 00:00:00
