Heat acclimation and hypohydration in aged rats: The involvement of adrenergic pathways in thermal-induced vasomotor responses in the portal circulation

Journal of Thermal Biology

Volumn 21, Issue 5-6, 1996, Pages 289-295

  Shochina, Mara ^a   Haddad, Walid ^b   Meiri, Uri ^b   Horowitz, Michal ^b  

^a HADASSAH HEBREW UNIVERSITY MEDICAL CENTER   (Israel)

^b HEBREW UNIVERSITY OF JERUSALEM   (Israel)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0030268343     PISSN: 03064565     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0306-4565(96)00012-5     Document Type: Article

References (17)

1. Feldman R. D. (1992) A low-sodium diet corrects the defect in beta-adrenergic response in older subjects. Circulation 85, 612-618.
2. Gurdal H., Friedman E. and Johnson M. D. (1995) Beta-adrenoceptor-G alpha S coupling decreases with age in rat aorta. Mol. Pharmacol. 47, 772-778.
3. Haddad W. and Horowitz M. (1994) Heat acclimation alters portal blood flow during heat stress. In: Thermal Balance in Heat and Disease. pp. 203-208. Adv. Physiol. Sci. Birkhauser Verlag, Basel.
4. Haddad W. and Horowitz M. (1994) Heat acclimation alters portal blood flow during heat stress. In: Thermal Balance in Heat and Disease. pp. 203-208. Adv. Physiol. Sci. Birkhauser Verlag, Basel.
5. Horowitz M. and Meiri U. (1985) Thermoregulatory activity in the rat: effects of hypohydration, hypovolemia and hypertonicity and their interaction with short-term heat acclimation. Comp. Biochem. Physiol. 82A, 577-582.
6. Horowitz M. and Samueloff S. (1988) Cardiac output distribution in thermally dehydrated rodents. Am. J. Physiol. 254, R109-R116.
7. Horowitz M. and Givol H. (1989) Heat acclimation and heat stress: cardiac output distribution, plasma volume expansion and the involvement of the adrenergic pathway. In: Thermoregulation: Research and Clinical Applications. Edited by Lomax and Schoenboum, pp. 204-207. Karger, Basel.
8. Horowitz M., Navokova M., Gross H., Meiri U. and Hasin Y. (1995) Prolonged exposure to high ambient temperature augments pressure generation by the heart. J. Mol. Cell Cardiol. 27, A132.
9. Horowitz M., Kaspler P., Marmari Y. and Oron Y. (1996) Evidence for contribution of effector organ cellular responses to the biphasic dynamics of heat acclimation. J. Appl. Physiol. (in press).
10. Leaf A. (1984) Dehydration in the elderly. New Engl. J. Med. 311, 791-792.
11. Levi E., Vivi A., Hasin Y., Tassini M., Navon G. and Horowitz M. (1993) Heat acclimation improves cardiac mechanics and metabolic performance during ischemia and reperfusion. J. Appl. Physiol. 75, 833-839.
12. Lakatta, E. G. (1995) Cardiovascular system. In: Aging, Handbook of Physiology, Sec 11. Edited by Masoro, E.J. pp. 413-474. Am. Physiol. Soc and Oxford Univ. Press, N.Y.
13. Meiri U., Shochina M. and Horowitz M. (1991) Heat acclimated hypohydrated rats: Age varying vasomotor and plasma volume response to heat stress. J. Therm. Biol. 16, 241-247.
14. Pellegrini A., Soldani P., Paparelli A., Breschi M. C., Scatizzi R., Nieri P., Campagni A. and Dal-Bianchi S. (1994) Noradrenergic innervation and receptor responses of cardiovascular tissues from young and aged rats after acute microwave exposure. Int. J. Neurosci. 76, 165-175.
15. Scarpace P. J., Turner N. and Mader S. L. (1991) Beta adrenergic, function in aging, Basic mechanisms and clinical implications. Drug Aging 1, 116-129.
16. Shochina M. and Horowitz M. (1989) Central venous pressure, arterial pressure and hypovolemia: their role in adjustment during heat stress. J. Therm. Biol. 14, 109-113.
17. Tsai H., Buchholz J. and Duckless S. P. (1993) Postjunctional alpha 2 adrenoceptors in blood vessels:effect of age. Eur. J. Pharmacol. 237, 311-316.