Campos, R. R., and R. M. McAllen. Cardiac inotropic, chronotropic, and dromotropic actions of subretrofacial neurons of cat RVLM. Am. J. Physiol. 276 (Regulatory Integrative Comp. Physiol. 45): R1102–R1111, 1999.—The cardiac actions of microinjecting sodium glutamate (0.5–2 nmol) among sympathetic premotor neurons of the subretrofacial nucleus in the rostral ventrolateral medulla (RVLM) were st...

DONG M. CHAO,1 LIN L. SHEN,1 STEPHANIE TJEN-A-LOOI,2 KOULLIS F. PITSILLIDES,3 PENG LI,1 AND JOHN C. LONGHURST2 1Department of Physiology, Shanghai Medical University, Shanghai 200032, People’s Republic of China; 3Division of Cardiovascular Medicine, Department of Internal Medicine and Human Physiology, University of California, Davis, California 95616; and 2Department of Medicine, University of...

Houpt, T. Richard, Hosook Yang-Preyer, Jessica Geyer, and Moria L. Norris. A rapid feedback signal is not always necessary for termination of a drinking bout. Am. J. Physiol. 276 (Regulatory Integrative Comp. Physiol. 45): R1156–R1163, 1999.—When a pig is deprived of drinking water, a deficit of body water develops that is corrected when the pig drinks to satiation. If food is available during ...

Ray, Ramesh M., Barbara J. Zimmerman, Shirley A. McCormack, Tarun B. Patel, and Leonard R. Johnson. Polyamine depletion arrests cell cycle and induces inhibitors p21Waf1/Cip1, p27Kip1, and p53 in IEC-6 cells. Am. J. Physiol. 276 (Cell Physiol. 45): C684–C691, 1999.—The polyamines spermidine and spermine and their precursor putrescine are intimately involved in and are required for cell growth a...

Peters, David G., Heather Mitchell-Felton, and Susan C. Kandarian. Unloading induces transcriptional activation of the sarco(endo)plasmic reticulum Ca21-ATPase 1 gene in muscle. Am. J. Physiol. 276 (Cell Physiol. 45): C1218– C1225, 1999.—Previous work showed that protein and mRNA levels of the ‘‘fast’’ isoform of the sarco(endo)plasmic reticulum Ca21-ATPase (SERCA1) are markedly increased in un...

Engeland, W. C., and B. K. Levay-Young. Changes in the glomerulosa cell phenotype during adrenal regeneration in rats. Am. J. Physiol. 276 (Regulatory Integrative Comp. Physiol. 45): R1374–R1382, 1999.—In situ hybridization was used to examine cellular differentiation during rat adrenal regeneration, defining zona glomerulosa [cytochrome P-450 aldosterone synthase (P-450aldo) mRNA positive], zo...

Hardt, Stefan E., Armin Just, Raffi Bekeredjian, Wolfgang Kübler, Hartmut R. Kirchheim, and Helmut F. Kuecherer. Aortic pressure-diameter relationship assessed by intravascular ultrasound: experimental validation in dogs. Am. J. Physiol. 276 (Heart Circ. Physiol. 45): H1078– H1085, 1999.—Intravascular ultrasound (IVUS) has emerged as an important diagnostic method for evaluating vessel diameter...

Marples, David, Jørgen Frøkiaer, and Søren Nielsen. Long-term regulation of aquaporins in the kidney. Am. J. Physiol. 276 (Renal Physiol. 45): F331–F339, 1999.—The discovery of the aquaporin family of water channels has greatly improved our understanding of how water crosses epithelial cells, particularly in the kidney. The study of the mechanisms involved in the regulation of collecting duct w...

Michaud, David, Hymie Anisman, and Zul Merali. Capsaicin-sensitive fibers are required for the anorexic action of systemic but not central bombesin. Am. J. Physiol. 276 (Regulatory Integrative Comp. Physiol. 45): R1617–R1622, 1999.—Bombesin (BN) suppresses food intake in rats whether given centrally or systemically. Although the brain BNsensitive receptors are known to be essential for the anor...

Challet, Etienne, Susan Losee-Olson, and Fred W. Turek. Reduced glucose availability attenuates circadian responses to light in mice. Am. J. Physiol. 276 (Regulatory Integrative Comp. Physiol. 45): R1063–R1070, 1999.—To test whether circadian responses to light are modulated by decreased glucose availability, we analyzed photic phase resetting of the circadian rhythm of locomotor activity in mi...