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Research Article Free access | 10.1172/JCI4401

Angiotensin induces the urinary peristaltic machinery during the perinatal period.

Y Miyazaki, S Tsuchida, H Nishimura, J C Pope 4th, R C Harris, J M McKanna, T Inagami, B L Hogan, A Fogo, and I Ichikawa

Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.

Find articles by Miyazaki, Y. in: PubMed | Google Scholar

Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.

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Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.

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Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.

Find articles by Pope, J. in: PubMed | Google Scholar

Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.

Find articles by Harris, R. in: PubMed | Google Scholar

Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.

Find articles by McKanna, J. in: PubMed | Google Scholar

Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.

Find articles by Inagami, T. in: PubMed | Google Scholar

Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.

Find articles by Hogan, B. in: PubMed | Google Scholar

Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.

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Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.

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Published October 15, 1998 - More info

Published in Volume 102, Issue 8 on October 15, 1998
J Clin Invest. 1998;102(8):1489–1497. https://doi.org/10.1172/JCI4401.
© 1998 The American Society for Clinical Investigation
Published October 15, 1998 - Version history
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Abstract

The embryonic development of mammalian kidneys is completed during the perinatal period with a dramatic increase in urine production, as the burden of eliminating nitrogenous metabolic waste shifts from the placenta to the kidney. This urine is normally removed by peristaltic contraction of the renal pelvis, a smooth muscle structure unique to placental mammals. Mutant mice completely lacking angiotensin type 1 receptor genes do not develop a renal pelvis, resulting in the buildup of urine and progressive kidney damage. In mutants the ureteral smooth muscle layer is hypoplastic and lacks peristaltic movements. We show that angiotensin can induce the ureteral smooth muscles in organ cultures of wild-type, but not mutant, ureteral tissues and that, in wild-type mice, expression of both renal angiotensin and the receptor are transiently upregulated at the renal outlet at birth. These results reveal a new role for angiotensin in the unique cellular adaptations of the mammalian kidney to the physiological stresses of postnatal life.

Version history
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