J. D. PAL,1 V. M. BERTHOUD,2 E. C. BEYER,2 D. MACKAY,3 A. SHIELS,3 AND L. EBIHARA1 1Department of Physiology and Biophysics, Finch University of Health Sciences/The Chicago Medical School, North Chicago 60064; 2Department of Pediatrics, University of Chicago, Chicago, Illinois 60637; and 3Department of Molecular Genetics, Institute of Ophthalmology, Washington University School of Medicine, St....

Niizeki, Kyuichi, and Yoshimi Miyamoto. Phasedependent heartbeat modulation by muscle contractions during dynamic handgrip in humans. Am. J. Physiol. 276 (Heart Circ. Physiol. 45): H1331–H1338, 1999.—The influence of cardiac phase on the response of the cardiac pacemaker to dynamic hand contraction in eight healthy young men was studied to determine whether heart rate response to muscle contrac...

M. J. P. LENCZOWSKI,1 R.-M. BLUTHÉ,2 J. ROTH,3 G. S. REES,4 D. A. RUSHFORTH,5 A.-M. VAN DAM,1 F. J. H. TILDERS,1 R. DANTZER,2 N. J. ROTHWELL,5 AND G. N. LUHESHI5 1Department of Pharmacology, Faculty of Medicine, Research Institute Neurosciences Vrije Universiteit, Graduate School Neurosciences Amsterdam, 1081 BT Amsterdam, The Netherlands; 2Institut François Magendie, Institut National de la Re...

Franchini, Lucia F., and Laura Vivas. Distribution of Fos immunoreactivity in rat brain after sodium consumption induced by peritoneal dialysis. Am. J. Physiol. 276 (Regulatory Integrative Comp. Physiol. 45): R1180–R1187, 1999.— Fos immunoreactivity was used to map the neuronal population groups activated after sodium ingestion induced by peritoneal dialysis (PD) in rats. Oxytocin immunoreactiv...

Birdsey, T. J., R. D. H. Boyd, C. P. Sibley, and S. L. Greenwood. Effect of hyposmotic challenge on microvillous membrane potential in isolated human placental villi. Am. J. Physiol. 276 (Regulatory Integrative Comp. Physiol. 45): R1479–R1488, 1999.—This study examined the effect of hyposmotic solutions on the syncytiotrophoblast microvillous membrane potential (Em) in mature intermediate villi...

Feldenberg, L. Richard, Sundararajah Thevananther, Marcela Del Rio, Maryely De Leon, and Prasad Devarajan. Partial ATP depletion induces Fasand caspasemediated apoptosis in MDCK cells. Am. J. Physiol. 276 (Renal Physiol. 45): F837–F846, 1999.—Brief periods of in vitro hypoxia/ischemia induce apoptosis of cultured renal epithelial cells, but the underlying mechanisms remain unknown. We show that...

Masada, Kimiya, Takahiro Nagayama, Akio Hosokawa, Makoto Yoshida, Mizue Suzuki-Kusaba, Hiroaki Hisa, Tomohiko Kimura, and Susumu Satoh. Effects of adrenomedullin and PAMP on adrenal catecholamine release in dogs. Am. J. Physiol. 276 (Regulatory Integrative Comp. Physiol. 45): R1118–R1124, 1999.—We examined the effects of proadrenomedullin-derived peptides on the release of adrenal catecholamine...

Landesberg, Amir, and Samuel Sideman. Regulation of energy consumption in cardiac muscle: analysis of isometric contractions. Am. J. Physiol. 276 (Heart Circ. Physiol. 45): H998–H1011, 1999.—The well-known linear relationship between oxygen consumption and force-length area or the force-time integral is analyzed here for isometric contractions. The analysis, which is based on a biochemical mode...

Weiner, I. David, Amy E. Frank, and Charles S. Wingo. Apical proton secretion by the inner stripe of the outer medullary collecting duct. Am. J. Physiol. 276 (Renal Physiol. 45): F606–F613, 1999.—The inner stripe of outer medullary collecting duct (OMCDis) is unique among collecting duct segments because both intercalated cells and principal cells secrete protons and reabsorb luminal bicarbonat...

Alexander, EdwardA., Dennis Brown, Theodora Shih, Mary McKee, and John H. Schwartz. Effect of acidification on the location of H1-ATPase in cultured inner medullary collecting duct cells. Am. J. Physiol. 276 (Cell Physiol. 45): C758–C763, 1999.—In previous studies, our laboratory has utilized a cell line derived from the rat inner medullary collecting duct (IMCD) as a model system for mammalian...