An elevation in the concentration of HLA class I molecules in human blood due to ageing. Similarities and dissimilarities of newborn and adolescent rats in the binding capacity of thymic glucocorticoid receptors. Lack of effect of short-term hormone replacement in postmenopausal women. Lipids, apoprotein B, and associated coronary risk factors in urban and rural older Mexican populations. Neurotrophin expression in the reproductively senescent forebrain is refractory to estrogen stimulation.
Calcium antagonists decrease capillary wall damage in aging hypertensive rat brain.
Age-dependent changes in noradrenergic innervations of the frontal cortex in F344 rats. Cytochrome c oxidase deficient cells accumulate in the hippocampus and choroid plexus with age. Aging affects transcranial magnetic modulation of hippocampal evoked potentials. The GABA uptake inhibitor tiagabine promotes slow wave sleep in normal elderly subjects. Sci U Point mutant mice with hypersensitive alpha 4 nicotinic receptors show dopaminergic deficits and increased anxiety.