Cameron Lapp

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Luteinizing hormone-releasing hormone (LHRH) degrading activity may be of physiological significance as a mechanism capable of partial regulation of hypothalamic LHRH release as well as LHRH levels at the gonadotroph. The possibility of cyclic fluctuations in LHRH-degrading activity was investigated in female rat hypothalami and pituitaries. These tissues(More)
Peptidase activity capable of inactivating luteinizing hormone (LHRH) may have a physiological role in partially determining hypothalamic LHRH levels as well as LHRH levels at the gonadotrope. In our previous work ( Lapp and O' Conner , 1984, companion paper), use of the synthetic substrate leucine-p-nitroanilide (Leu-p-NA) to assay LHRH-degradative(More)
Tachyphylaxis develops to the hypertensive response to central (i.c.v.) injection of carbachol in conscious rats. This pressor response exhibits tachyphylaxis if the injection is repeated within 8 hr of the first injection. Blockade of brain prostaglandin synthesis with indomethacin does not inhibit the pressor response to carbachol in naive rats, but(More)
This paper describes an effective monitoring approach for manufacturing processing by combining the recursive in-place growing FIR-median hybrid (RIPG-FMH) filters, the in-place fast Haar transform (IP_FHT) and the concurrent learning (CL). Meanwhile, the approach is applied to detect tool flute breakage during end milling by analyzing the feed-motor(More)
The literature indicates agreement concerning basic differences in the behavior of the pituitary toward pulsatile and continuous luteinizing hormone releasing hormone (LHRH); however, conflicting results seem to exist concerning pituitary behavior toward pulsatile LHRH (Hopkins, 1977; Smith and Vale, 1981). Most superfusion studies have utilized pulses of(More)
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