Abstract
The existence of the renin-angiotensin system in the brain that synthesizes and regulates angiotensin independently of the blood-borne renin-angiotensin system (RAS) has been shown by a number of experiments, including direct measurements of angiotensin II (Ang II) in blocks of brain and HPLC analysis (1, 2), immunocytochemistry (3), mRNA angiotensinogen (4, 5), ACE mRNA (6) and Ang II release from neurons but not glial cells (7). While a complete understanding of the synthesis of brain angiotensin is still being studied, evidence points to a paracrine process whereby angiotensinogen is expressed in neurons and in glia but the angiotensin I is cleaved to angiotensin II extracellularly by the ectoenzyme angiotensin converting enzyme with Ang II being taken up and stored in neurons and glia (8).
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References
Phillips, M.I., Stenstrom, B. (1985) Angiotensin II in rat brain co-migrates with authentic angiotensin II in HPLC. Circ. Res., 56:212–219.
Ganten, D., Printz, M., Phillips, M.I. and Schoelkens, B.A. (1982) The Renin Angiotensin System in the Brain. Springer-Verlag, New York.
Weyhenmeyer, J. and Phillips, M.I. (1982) Angiotensin-like immunoreactivity in the brain of spontaneously hypertensive rats. Hypertension Dallas, 4:514–532.
Lynch, K.R., Simnad, V.I., Ben-Ari, E.T. and Garrison, J.C. (1986) Localization of preangiotensinogen messenger RNA sequences in the rat brain. Hypertension, 8:540–543.
Dzau, V.J., Burt, D.W. and Pratt, R.E. (1988) Molecular biology of the renin-angiotensin system. Am. J. Physiol., 255:F563.
Whiting, P., Nava, S., Mozley, L., Eatham, H. and Poat, J. (1991) Expression of angiotensin converting enzyme mRNA in rat brain. Mol. Brain Res., 11:93–96.
Richards, E.M., Hermann, K., Sumners, C, Raizada, M.K. and Phillips, M.I. (1989) Release of immunoreactive angiotensin II from neuronal cultures: adrenergic influences. Am. J. Physiol., 257:C588–C595.
Phillips, M.I., Speakman, E.A. and Kimura, B. (1993) Levels of angiotensin and molecular biology of the tissue renin-angiotensin systems. Regul. Pept., 43:1–20.
Phillips, M.I. (1987) Functions of brain angiotensin. Annu. Rev. Physiol., 49:413–435.
Steele, M.K., Gallo, R.V. and Ganong, W.F. (1985) Stimulatory or inhibitory effects of angiotensin II upon luteinizing hormone secretion in ovariectomized rats: a function of gonadal steroids. Neuroendocrinology, 40:210–216.
Steele, M.K., Gallo, R.V. and Ganong W.F. (1983) A possible role of the brain renin angiotensin system in the regulation of LH secretion. Am. J. Physiol., 245:R805–R810.
Kalra, S.P. and Kalra, P.S. (1979) Dynamic changes in hypothalamic LH-RH levels associated with the ovarian steroid-induced gonadotrophin surge. Acta Endocrinol. (Copenh.), 92:1–7.
Phillips, M.I., Wang, H., Kimura, B., Rejtman, M., Koduri, P. and Kalra, S. (1993) Dynamic changes in hypothalamic angiotensin II levels and release in association with progesterone-induced LH surge. Endocrinology, 132:1637–1642.
Ghazi, N., Grove, N.L., Wright, J.W., Phillips, M.I. and Speth, R.C. (1994) Variations in angiotensin II release from the rat brain during the estrous cycle. Endocrinology, (in Press).
Phillips, M.I., Kimura, B. and Raizada, M.K. (1991) Measurement of brain peptides: angiotensin and ANP in tissue and cell culture. Neurosci. Methods, 6:177–205.
Dluzen, D.E. and Ramirez, V.D. (1986) A miniaturized push-pull cannula for use in conscious, unrestrained animals. Pharmacol. Biochem. Behav., 24(1): 147–150.
Chomczynski, P. and Sacchi, M. (1987) Single step method of RNA isolation by acid guanidium thiocyanate phenyl chloroform extraction. Anal. Biochem., 162:156.
Steele, M.K. and Ganong, W.F. (1986) Effects of catecholamine-depleting agents and receptor blockers on basal and angiotensin II-or norepinephrine-stimulated luteinizing hormone release in female rats. Endocrinology, 119:2728–2736.
Kalra, S. and Kalra, P. (1983) Neural regulation of luteinizing hormone secretion in the rat. Endoc. Rev., 4:311–351.
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Phillips, M.I., Wang, H., Kimura, B., Speth, R.C., Ghazi, N. (1995). Brain Angiotensin and the Female Reproductive Cycle. In: Mukhopadhyay, A.K., Raizada, M.K. (eds) Tissue Renin-Angiotensin Systems. Advances in Experimental Medicine and Biology, vol 377. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-0952-7_25
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DOI: https://doi.org/10.1007/978-1-4899-0952-7_25
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