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Tissue magnesium content in diabetic rats.

S Wallach¹, R L Verch

¹Medical Service, Veterans Administration Medical Center, Bay Pines, Fla.

Magnesium

|January 1, 1987

Summary

This study investigated soft tissue magnesium in diabetic rats, finding no evidence of depletion despite low blood magnesium levels. Excessive calcium uptake was also not observed in this experimental diabetes model.

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Area of Science:

Biochemistry
Endocrinology
Physiology

Background:

Diabetes mellitus is associated with hypomagnesemia (low blood magnesium).
Previous research has not confirmed soft tissue magnesium depletion in diabetes.
The relationship between magnesium, calcium, and diabetes in soft tissues remains unclear.

Purpose of the Study:

To investigate soft tissue magnesium and calcium levels in an experimental model of diabetes.
To determine if diabetes induces soft tissue magnesium depletion or excessive intracellular calcium uptake.

Main Methods:

Streptozotocin (STZ)-induced diabetic rats and STZ-insulin-treated diabetic rats were used.
Direct measurements of soft tissue magnesium (Mg) and calcium (Ca) were performed.
Control rats were included for comparison.

Main Results:

No consistent decrease in soft tissue magnesium content was observed in diabetic rats.
Modest hypomagnesemia was induced, but did not correlate with soft tissue Mg levels.
Soft tissue calcium content showed variable changes and no clear relationship with magnesium levels.

Conclusions:

The study does not support the hypothesis of soft tissue magnesium depletion in this experimental diabetic model.
Excessive intracellular calcium uptake was not demonstrated in diabetic rats with induced hypomagnesemia.

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