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The Effect of Calcium Supplementation on Insulin Resistance and 24h Blood Pressure

2014-08-27 03:35:28 | BioPortfolio

Summary

Increased levels of intracellular calcium are thought to diminish maximal cellular response to insulin and induce insulin resistance. Also, both hypertension and diabetes are thought to be conditions of altered intracellular ionic state. The aim of the present study is to investigate the possible effect of oral calcium supplementation on intracellular ions, insulin sensitivity, 24-h blood pressure and sodium/hydrogen exchanger activity in patients with type 2 diabetes and essential hypertension.

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment

Conditions

Hypertension

Intervention

tablets each containing of 1000mg elemental calcium (Mega-Calcium Sandoz)

Location

AHEPA University Hospital
Thessaloniki
Greece
54636

Status

Completed

Source

Aristotle University Of Thessaloniki

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:35:28-0400

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Medical and Biotech [MESH] Definitions

Signal transduction mechanisms whereby calcium mobilization (from outside the cell or from intracellular storage pools) to the cytoplasm is triggered by external stimuli. Calcium signals are often seen to propagate as waves, oscillations, spikes, sparks, or puffs. The calcium acts as an intracellular messenger by activating calcium-responsive proteins.

Intracellular signaling peptides and proteins that bind to CALCIUM. They undergo allosteric changes when bound to CALCIUM that affects their interaction with other signal-transducing molecules. They differ from CALCIUM-SENSING RECEPTORS which sense extracellular calcium levels.

A class of G-protein-coupled receptors that react to varying extracellular CALCIUM levels. Calcium-sensing receptors in the PARATHYROID GLANDS play an important role in the maintenance of calcium HOMEOSTASIS by regulating the release of PARATHYROID HORMONE. They differ from INTRACELLULAR CALCIUM-SENSING PROTEINS which sense intracellular calcium levels.

A stromal interaction molecule that functions in the regulation of calcium influx following depletion of intracellular calcium in the ENDOPLASMIC RETICULUM. It translocates to the plasma membrane upon calcium depletion where it activates the CALCIUM RELEASE ACTIVATED CALCIUM CHANNEL ORAI1.

Cation-transporting proteins that utilize the energy of ATP hydrolysis for the transport of CALCIUM. They differ from CALCIUM CHANNELS which allow calcium to pass through a membrane without the use of energy.

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