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The discovery of "mirror neurons" in area F5 of the ventral premotor cortex has prompted many theories as to their possible function. However, the identity of mirror neurons remains unknown. Here, we investigated whether identified pyramidal tract neurons (PTNs) in area F5 of two adult macaques exhibited "mirror-like" activity. About half of the 64 PTNs(More)
The protective efficacy of antibodies to the Staphylococcus aureus type 5 capsular polysaccharide (CP5) was examined in a modified model of catheter-induced endocarditis. Rats were catheterized by surgically passing a polyethylene catheter through the right carotid artery and aortic valve into the left ventricle. The following day, the rats were injected by(More)
We have examined the CD8+ peripheral T cell repertoire of C57BL/6 (H-2b) mice for cytotoxic T lymphocyte (CTL) reactivities to insulin, using in vitro immunization with a chymotryptic digest of reduced bovine insulin. The results presented in this study demonstrate that potentially autoreactive H-2Kb-restricted cytotoxic T cells specific for an autologous(More)
This study tested the hypothesis that the rarefaction of cutaneous capillaries with age is compensated by an increase in the response of remaining capillaries to heat stress. Experiments were performed on unanesthetized male Sprague Dawley rats of the following age groups: young (Y--age 4 mo.), middle aged (M--age 16 mo.) and old (O--age 27 mo.). The(More)
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