p(HGNCGENEFAMILY:"Cholinergic receptors nicotinic subunits") negativeCorrelation path(MESH:Aging)
However, loss of brain nAChRs precedes that of muscarinic receptors during normal aging, and it is often much more extensive in human brains afflicted with AD relative to age-matched controls (236, 308, 373, 374, 416, 519). In fact, alpha4 nAChR expression can decrease by >80% in the AD brain (306, 374).
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