Edith A Singh

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Peripheral-type benzodiazepine binding of [3H]Ro5-4864 at one, non-saturating concentration and activities of choline acetyltransferase (ChAT) and acetylcholinesterase (AChE) were measured in 7 cortical areas from postmortem brains of 18 patients with Alzheimer disease (AD), 12 age-matched controls, and 15 miscellaneous neurological cases. None of the(More)
Complement (C) activation is believed to play an adverse role in several chronic degenerative disease processes, including atherosclerosis, myocardial infarction and Alzheimer's disease. We developed several in vitro quantitative assays to evaluate processes which activate C in human serum, and to assess candidates which might block that activation. Binding(More)
gamma-Glutamyltransferase (EC; gamma-GT) may be important in the transport of amino acids or peptides across the blood-brain barrier. Gamma-GT activities were the same in cortical samples from Alzheimer and age-matched control brains, and there was no correlation between gamma-GT and choline acetyltransferase (ChAT) or acetylcholinesterase (AChE)(More)
Five hours after the stereotaxic injection of approximately 1 ng of [125I]basic fibroblast growth factor (bFGF) into rat substantia nigra (SN), small but consistent amounts of radioactivity were found in the ipsilateral striatum (CP). None was found in the ipsilateral thalamus or contralateral CP, SN or thalamus. The amount found in the ipsilateral CP was(More)
Based on a suspected pathological relationship of autoimmunity in Alzheimer's disease (AD), antibodies to myelin basic protein (MBP) were investigated in the sera of AD patients, healthy controls and disease controls. As detected by the protein-immunoblotting technique at a screening serum dilution of 1:400, sera from 16 of 18 (89%) AD patients were(More)