Distribution and developmentally regulated expression of murine polycystin

L. Geng, Y. Segal, A. Pavlova, E. J. Barros, C. Lohning, W. Lu, S. K. Nigam, A. M. Frischauf, S. T. Reeders and J. Zhou Renal Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA. PKD1, the gene that is mutated in approximately 85% of autosomal domina...

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Veröffentlicht in:American journal of physiology. Renal physiology 1997-04, Vol.272 (4), p.451-F459
Hauptverfasser: Geng, L, Segal, Y, Pavlova, A, Barros, E. J, Lohning, C, Lu, W, Nigam, S. K, Frischauf, A. M, Reeders, S. T, Zhou, J
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container_end_page F459
container_issue 4
container_start_page 451
container_title American journal of physiology. Renal physiology
container_volume 272
creator Geng, L
Segal, Y
Pavlova, A
Barros, E. J
Lohning, C
Lu, W
Nigam, S. K
Frischauf, A. M
Reeders, S. T
Zhou, J
description L. Geng, Y. Segal, A. Pavlova, E. J. Barros, C. Lohning, W. Lu, S. K. Nigam, A. M. Frischauf, S. T. Reeders and J. Zhou Renal Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA. PKD1, the gene that is mutated in approximately 85% of autosomal dominant polycystic kidney disease (ADPKD) cases in humans, has recently been identified (Eur. PKD Consortium. Cell 77: 881-894, 1994; also, erratum in Cell 78: 1994). The longest open-reading frame of PKD1 encodes polycystin, a novel approximately 460-kDa protein that contains a series of NH2-terminal adhesive domains (J. Hughes, C. J. Ward, B. Peral, R. Aspinwall, K. Clark, J. San Millan, V. Gamble, and P. C. Harris. Nat. Genet. 10: 151-160, 1995; and Int. PKD Consortium. Cell 81: 289-298, 1995) and several putative transmembrane segments. To extend studies of polycystin to an experimentally accessible animal, we have isolated a cDNA clone encoding the 3' end of Pkd1, the mouse homologue of PKD1, and raised a specific antibody to recombinant murine polycystin. This antibody was used to determine the subcellular localization and tissue distribution of the protein by Western analysis and immunocytochemistry. In the mouse, polycystin is an approximately 400-kDa molecule that is predominantly found in membrane fractions of tissue and cell extracts. It is expressed in many tissues including kidney, liver, pancreas, heart, intestine, lung, and brain. Renal expression, which is confined to tubular epithelia, is highest in late fetal and early neonatal life and drops 20-fold by the third postnatal week, maintaining this level into adulthood. Thus the temporal profile of polycystin expression coincides with kidney tubule differentiation and maturation.
doi_str_mv 10.1152/ajprenal.1997.272.4.F451
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Gamble, and P. C. Harris. Nat. Genet. 10: 151-160, 1995; and Int. PKD Consortium. Cell 81: 289-298, 1995) and several putative transmembrane segments. To extend studies of polycystin to an experimentally accessible animal, we have isolated a cDNA clone encoding the 3' end of Pkd1, the mouse homologue of PKD1, and raised a specific antibody to recombinant murine polycystin. This antibody was used to determine the subcellular localization and tissue distribution of the protein by Western analysis and immunocytochemistry. In the mouse, polycystin is an approximately 400-kDa molecule that is predominantly found in membrane fractions of tissue and cell extracts. It is expressed in many tissues including kidney, liver, pancreas, heart, intestine, lung, and brain. Renal expression, which is confined to tubular epithelia, is highest in late fetal and early neonatal life and drops 20-fold by the third postnatal week, maintaining this level into adulthood. 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It is expressed in many tissues including kidney, liver, pancreas, heart, intestine, lung, and brain. Renal expression, which is confined to tubular epithelia, is highest in late fetal and early neonatal life and drops 20-fold by the third postnatal week, maintaining this level into adulthood. Thus the temporal profile of polycystin expression coincides with kidney tubule differentiation and maturation.</abstract><cop>United States</cop><pmid>9140045</pmid><doi>10.1152/ajprenal.1997.272.4.F451</doi><oa>free_for_read</oa></addata></record>
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source MEDLINE; American Physiological Society; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection
subjects Aging - metabolism
Amino Acid Sequence
Animals
Cloning, Molecular
Embryonic and Fetal Development
Female
Gene Expression Regulation, Developmental
Gestational Age
Humans
Immunohistochemistry
Kidney - embryology
Kidney - growth & development
Kidney - metabolism
Mice
Molecular Sequence Data
Open Reading Frames
Polycystic Kidney, Autosomal Dominant - genetics
Pregnancy
Protein Biosynthesis
Proteins - chemistry
Proteins - genetics
Recombinant Fusion Proteins - biosynthesis
Recombinant Fusion Proteins - chemistry
Sequence Homology, Amino Acid
Subcellular Fractions - metabolism
TRPP Cation Channels
title Distribution and developmentally regulated expression of murine polycystin
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