Chapter 16 Minerals: functions, requirements, excessive intake and toxicity

Studziński, T.; Matras, J.; Grela, Eugeniusz R.; Piedra, J.L. Valverde; Truchliński, J.; Tatara, Marcin R.

doi:10.1016/s1877-1823(09)70103-1

Cited by 11 publications

(19 citation statements)

References 178 publications

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“…It may be linked by participation of sodium and sulphur in co‐transport of glucose and amino acids. (Studziński et al., 2006). Furthermore, a tendency to enhance serum glucose and the raise of sodium concentrations in 35‐day‐old piglets was observed.…”

Section: Discussionmentioning

confidence: 99%

“…In the present study, there was six‐fold increase in lysozyme concentration and a 29% increase in ceruloplasmin activity and copper in newborns exposed to an excess of dexamethasone during prenatal life compared with the controls. A total of 93% of the copper present in plasma is bound to ceruloplasmin (Studziński et al., 2006). The serum concentration of copper is connected with the concentration of zinc, and in this study in newborns after prenatal dexamethasone treatment, serum copper increases followed by a decrease in serum zinc with an adverse tendency in the controls.…”

Section: Discussionmentioning

confidence: 99%

“…Moreover, our study showed the decrease of potassium concentration in blood serum in newborns after dexamethasone maternal treatment. Prenatal steroid treatment induced upregulation of cell membrane sodium, potassium adenosinetriphosphatase activity in the foetus, and by stabilization of cell membranes resulted in a decrease in the potassium movement from intracellular to extracellular compartments (Omar et al., 2000; Studziński et al., 2006).…”

Section: Discussionmentioning

confidence: 99%

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Alpha‐ketoglutarate protects the liver of piglets exposed during prenatal life to chronic excess of dexamethasone from metabolic and structural changes

Sliwa¹,

Dobrowolski

Tatara³

et al. 2009

Animal Physiology Nutrition

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Glucocorticoids play a role in the origin of the features of the metabolic diseases. Alpha-ketoglutarate (AKG) is defined as glutamine homologue and derivative, conditionally an essential amino acid. In the liver, glutamine serves as a precursor for ureagenesis, gluconeogenesis and acute phase protein synthesis The aim of the study was to determine the effect of AKG administered to piglets prenatally exposed to dexamethasone, on the structure of the liver and its metabolic function. Sows were administered with dexamethasone (3 mg/sow/48 h) from day 70 of pregnancy to the parturition, and then after the birth, the piglets were divided into the group administered with AKG (0.4 g/kg body weight) or physiological saline. Biochemical markers, lysozyme and ceruloplasmin serum activities, concentrations of selected free amino acids, macro- and microelements and histomorphometry of the liver tissue were determined. The total cholesterol concentrations in the sows and their newborns from the Dex groups were higher by 72% and 64%, respectively, compared with the control groups. Triacylglycerol concentration was higher by 50% in sows from the Dex group and 55% in the new-born piglets. Alpha-ketoglutarate administered to the piglets after prenatal influence of dexamethasone lowered the total cholesterol concentration by 40%, and enhanced aspartate by 41%, serine by 76%, glutamate by 105%, glutamine by 36%, glycine by 53% and arginine by 105%, as well as methionine and cystathionine, but increased the sulphur concentration compared with the control (p < 0.01). Intracellular space D decreased after AKG administration in comparison with the piglets from Dex/Control group not treated with AKG. Postnatal administration of AKG had a protective effect on liver structure, and lowered the total cholesterol concentration in piglets prenatally exposed to dexamethasone, and also influenced selected macro- and microelement serum concentrations and amino acids plasma concentration.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Alpha‐ketoglutarate protects the liver of piglets exposed during prenatal life to chronic excess of dexamethasone from metabolic and structural changes

Sliwa¹,

Dobrowolski

Tatara³

et al. 2009

Animal Physiology Nutrition

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“…Optimal nutrition, with adequate mineral levels, guarantees proper functions of the organism, among which the most important are structural, physiological, catalytic and regulatory functions [15].…”

Section: Introductionmentioning

confidence: 99%

Elemental Composition in Two Water Beetles (Dytiscus thianschanicus, Dytiscus persicus) (Dytiscidae: Coleoptera) as Revealed by WDXRF Spectroscopy

Erman

2011

Biol Trace Elem Res

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In this study, concentrations of 34 different inorganic elements between Dytiscus thianschanicus and Dytiscus persicus collected from the environs of five Turkish cities were measured by wavelength dispersive X-ray fluorescence spectrometry. The two species were found to differ in both elemental composition and amount. The concentrations of Na, As, Br and Ba were found to differ significantly between D. thianschanicus and D. persicus. In addition, Mn and I concentrations for D. thianschanicus and Si, Zn for D. persicus between males and females were statistically significant. It is thought that metabolic differences between males and females of these insects may be behind the observed differences in these species. Differences in elemental composition were also seen between beetles from different localities, and the content of non-essential elements in an insect's body may be a useful measure of the level of these elements in their habitats.

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“…Approximately 1% of the magnesium stores resides within the extracellular fluid compartment [1,2]. Around 20-30% of serum magnesium is bound to proteins, while the rest in this compartment is ionized and biologically active [3].…”

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confidence: 99%

Serum concentration of magnesium in dogs suffering from tumors of the perianal glands

Brodzki¹,

Tatara²,

Brodzki³

2013

Magnesium Research

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The aim of this study was to determine serum magnesium concentrations in dogs with benign and malignant tumors of the perianal glands. The magnesium concentration was determined in samples taken from 45 tumoraffected and 17 healthy males. Twenty one dogs suffered from malignant tumors (Malignant group), while benign changes were diagnosed in 24 cases (Non-malignant group). All dogs with neoplastic disease were treated with antiandrogens and antiestrogens. Determination of magnesium concentrations in serum obtained from dogs before the start of treatment (baseline), and one and six months later was performed using atomic absorption spectrophotometry. One-way ANOVA and the post-hoc Tukey's HSD test were used to compare differences between the groups investigated and time-related changes. Significantly higher serum magnesium concentrations were found in the group with malignant tumors when compared to the control and non-malignant groups (P<0.001). Serum magnesium concentrations in dogs with non-malignant neoplastic changes had increased gradually by 17% and 41% at one and six months when compared to the baseline values (P<0.05). In conclusion, the malignant neoplastic process in dogs was associated with a higher baseline serum magnesium concentration. Thus, determination of the serum magnesium concentration might be helpful for diagnostic differentiation between malignant and benign perianal tumors in dogs.

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Chapter 16 Minerals: functions, requirements, excessive intake and toxicity

Cited by 11 publications

References 178 publications

Alpha‐ketoglutarate protects the liver of piglets exposed during prenatal life to chronic excess of dexamethasone from metabolic and structural changes

Alpha‐ketoglutarate protects the liver of piglets exposed during prenatal life to chronic excess of dexamethasone from metabolic and structural changes

Elemental Composition in Two Water Beetles (Dytiscus thianschanicus, Dytiscus persicus) (Dytiscidae: Coleoptera) as Revealed by WDXRF Spectroscopy

Serum concentration of magnesium in dogs suffering from tumors of the perianal glands

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