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Magnesium distribution in human bone

S Tsuboi¹, H Nakagaki, K Ishiguro

¹Department of Preventive Dentistry and Dental Public Health, School of Dentistry, Aichi-Gakuin University, Nagoya, Japan.

Calcified Tissue International

|January 1, 1994

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Magnesium concentrations in human bone are highest at the periosteal and endosteal surfaces. These levels remain generally consistent with age, though slightly higher in teenagers and lower in the elderly.

Area of Science:

Bone biology
Biomineralization
Skeletal tissue analysis

Background:

Magnesium is an essential element for bone health and plays a crucial role in bone metabolism.
Understanding magnesium distribution within human bone is vital for assessing skeletal integrity and age-related changes.

Purpose of the Study:

To investigate the distribution and concentration of magnesium within human rib bone.
To determine if magnesium distribution varies with age across different skeletal surfaces.

Main Methods:

Sixty human ribs from individuals aged 10-80 years were analyzed.
Magnesium content was measured using atomic absorption spectrophotometry and X-ray microanalysis.
Abrasive microsampling was employed to analyze magnesium at periosteal and endosteal surfaces.

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Main Results:

Magnesium concentrations were found to be elevated at both the periosteal and endosteal bone surfaces.
Overall magnesium distribution did not show significant age-dependent changes.
A trend of higher magnesium levels in teenagers and lower levels in individuals over 80 was observed.

Conclusions:

Human rib bone exhibits higher magnesium concentrations at its outer and inner surfaces.
Age is not a primary determinant of magnesium distribution in human bone, with some variations noted in younger and older age groups.