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Med Hypotheses. 1992 May;38(1):1-4.

Alzheimer's disease and metal-containing glia.

Author information

1
Department of Anatomy, Howard University, Washington DC 20059.

Abstract

Considerable evidence suggests that in Alzheimer's disease, olfactory bulb damage may be a primary factor, causing degeneration and neurofibrillary tangles primarily in neurons connected with this brain area. Also, deposits of amyloid may involve an improper regulation of the cleavage of a precursor protein by glia. Finally, toxic effects of aluminium may be an etiological factor. This review proposes that all these seemingly unrelated aspects of Alzheimer's disease could be related to a disturbed function of metal-containing glia. Such a disturbance, initiated by or aggravating toxic effects of aluminum, may underlie initial damage in the olfactory bulb and/or other brain areas with a weakened blood-brain barrier and may be responsible for amyloid deposition.

PMID:
1614354
[Indexed for MEDLINE]

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