1
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Expression of growth arrest specific 1 (Gas1) in the distal tubules and collecting ducts in normal kidney and in the early stages of diabetic nephropathy. J Mol Histol 2022; 53:925-946. [PMID: 36272046 DOI: 10.1007/s10735-022-10104-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 09/15/2022] [Indexed: 10/24/2022]
Abstract
The Growth Arrest-Specific protein 1 (Gas1) has been recently described in kidney as an endogenous inhibitor of cell proliferation in mesangial cells and with an important role in the maintenance of nephron progenitor cells. Furthermore, the expression of Gas1 was demonstrated in NCAM + progenitor parietal cells of Bowman's capsule. Thus, the aim of this study was to analyze the expression of Gas1 in the collecting ducts (CD) of healthy rats and to examine whether high glucose levels modify its expression during the early stages of diabetes in STZ-treated rats. Immunofluorescence reveals that principal cells AQP2 + express Gas1 in both healthy and diabetic conditions. Western blot from enriched fractions of medullary CD suggests that diabetes promotes the increase of Gas1. AQP2 + cells are also positive for the expression of CD24 and CD1133 in diabetic rats. In addition, diabetes modifies the cell morphology in the CD and favors the increase of principal cells (AQP2+/Gas1+), induces a significant decrease of intercalated cells (V-ATPase+/Gas1-) and the presence of intermediate cells (Gas1+/V-ATPase+) which express both principal and intercalated cell markers. The expression of Gas1 in the distal tubules was also determined by immunofluorescence, western blot and ELISA in diabetic rats. The results identify Gas1 as a specific marker of principal cells in healthy and diabetic rats and suggest that diabetes promotes the expression of Gas1. Gas1 may have an important role in the maintenance and differentiation to principal cells in the CD during early stages of diabetes.
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2
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Kumar P, Zadjali F, Yao Y, Johnson D, Siroky B, Astrinidis A, Vogel P, Gross KW, Bissler JJ. Tsc2 mutation induces renal tubular cell nonautonomous disease. Genes Dis 2022; 9:187-200. [PMID: 35005118 PMCID: PMC8720703 DOI: 10.1016/j.gendis.2021.03.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/25/2021] [Accepted: 03/31/2021] [Indexed: 01/22/2023] Open
Abstract
TSC renal cystic disease is poorly understood and has no approved treatment. In a new principal cell-targeted murine model of Tsc cystic disease, the renal cystic epithelium is mostly composed of type A intercalated cells with an intact Tsc2 gene confirmed by sequencing, although these cells exhibit a Tsc-mutant disease phenotype. We used a newly derived targeted murine model in lineage tracing and extracellular vesicle (EV) characterization experiments and a cell culture model in EV characterization and cellular induction experiments to understand TSC cystogenesis. Using lineage tracing experiments, we found principal cells undergo clonal expansion but contribute very few cells to the cyst. We determined that cystic kidneys contain more interstitial EVs than noncystic kidneys, excrete fewer EVs in urine, and contain EVs in cyst fluid. Moreover, the loss of Tsc2 gene in EV-producing cells greatly changes the effect of EVs on renal tubular epithelium, such that the epithelium develops increased secretory and proliferative pathway activity. We demonstate that the mTORC1 pathway activity is independent form the EV production, and that the EV effects for a single cell line can vary significantly. TSC cystogenesis involves significant contribution from genetically intact cells conscripted to the mutant phenotype by mutant cell derived EVs.
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Affiliation(s)
- Prashant Kumar
- Department of Pediatrics, University of Tennessee Health Science Center and Le Bonheur Children's Hospital, Memphis, TN 38103, USA.,Children's Foundation Research Institute (CFRI), Le Bonheur Children's Hospital, Memphis, TN 38105, USA
| | - Fahad Zadjali
- Department of Pediatrics, University of Tennessee Health Science Center and Le Bonheur Children's Hospital, Memphis, TN 38103, USA.,Children's Foundation Research Institute (CFRI), Le Bonheur Children's Hospital, Memphis, TN 38105, USA.,Department of Clinical Biochemistry, College of Medicine & Health Sciences, Sultan Qaboos University, Muscat 123, Oman
| | - Ying Yao
- Department of Pediatrics, University of Tennessee Health Science Center and Le Bonheur Children's Hospital, Memphis, TN 38103, USA.,Children's Foundation Research Institute (CFRI), Le Bonheur Children's Hospital, Memphis, TN 38105, USA
| | - Daniel Johnson
- Molecular Bioinformatics Center, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Brian Siroky
- Children's Foundation Research Institute (CFRI), Le Bonheur Children's Hospital, Memphis, TN 38105, USA
| | - Aristotelis Astrinidis
- Department of Pediatrics, University of Tennessee Health Science Center and Le Bonheur Children's Hospital, Memphis, TN 38103, USA
| | - Peter Vogel
- Department of Veterinary Pathology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Kenneth W Gross
- Department of Molecular and Cellular Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - John J Bissler
- Department of Pediatrics, University of Tennessee Health Science Center and Le Bonheur Children's Hospital, Memphis, TN 38103, USA.,Children's Foundation Research Institute (CFRI), Le Bonheur Children's Hospital, Memphis, TN 38105, USA.,Pediatric Medicine Department, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
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3
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Kumar P, Zadjali F, Yao Y, Bissler JJ. Renal cystic disease in tuberous sclerosis complex. Exp Biol Med (Maywood) 2021; 246:2111-2117. [PMID: 34488473 DOI: 10.1177/15353702211038378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Tuberous sclerosis complex (TSC) is associated with TSC1 or TSC2 gene mutations resulting in hyperactivation of the mTORC1 pathway. This mTORC1 activation is associated with abnormal tissue development and proliferation such that in the kidney there are both solid tumors and cystic lesions. This review summarizes recent advances in tuberous sclerosis complex nephrology and focuses on the genetics and cell biology of tuberous sclerosis complex renal disease, highlighting a role of extracellular vesicles and the innate immune system in disease pathogenesis.
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Affiliation(s)
- Prashant Kumar
- Department of Pediatrics, University of Tennessee Health Science Center and Le Bonheur Children's Hospital, Memphis, TN 38105, USA.,Children's Foundation Research Institute (CFRI), Le Bonheur Children's Hospital, Memphis, TN 38105, USA
| | - Fahad Zadjali
- Department of Pediatrics, University of Tennessee Health Science Center and Le Bonheur Children's Hospital, Memphis, TN 38105, USA.,Children's Foundation Research Institute (CFRI), Le Bonheur Children's Hospital, Memphis, TN 38105, USA.,Department of Clinical Biochemistry, College of Medicine & Health Sciences, Sultan Qaboos University, Muscat, PC 123, Oman
| | - Ying Yao
- Department of Pediatrics, University of Tennessee Health Science Center and Le Bonheur Children's Hospital, Memphis, TN 38105, USA.,Children's Foundation Research Institute (CFRI), Le Bonheur Children's Hospital, Memphis, TN 38105, USA
| | - John J Bissler
- Department of Pediatrics, University of Tennessee Health Science Center and Le Bonheur Children's Hospital, Memphis, TN 38105, USA.,Children's Foundation Research Institute (CFRI), Le Bonheur Children's Hospital, Memphis, TN 38105, USA.,Pediatric Medicine Department, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
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4
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Iervolino A, Prosperi F, De La Motte LR, Petrillo F, Spagnuolo M, D'Acierno M, Siccardi S, Perna AF, Christensen BM, Frische S, Capasso G, Trepiccione F. Potassium depletion induces cellular conversion in the outer medullary collecting duct altering Notch signaling pathway. Sci Rep 2020; 10:5708. [PMID: 32235870 PMCID: PMC7109050 DOI: 10.1038/s41598-020-61882-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 02/24/2020] [Indexed: 11/22/2022] Open
Abstract
Potassium depletion affects AQP2 expression and the cellular composition of the kidney collecting duct. This, in turn, contributes to the development of a secondary form of nephrogenic diabetes insipidus and hypokalemic nephropathy. Here we show that after 14 days of potassium depletion, the cellular fraction of A-type intercalated cells increases while the fraction of principal cells decreases along the outer medullary collecting duct in rats. The intercalated cells acquired a novel distribution pattern forming rows of cells attached to each other. These morphological changes occur progressively and reverse after 7 days of recovery on normal rat chow diet. The cellular remodeling mainly occurred in the inner stripe of outer medulla similar to the previously seen effect of lithium on the collecting duct cellular profile. The cellular remodeling is associated with the appearance of cells double labelled with both specific markers of principal and type-A intercalated cells. The appearance of this cell type was associated with the downregulation of the Notch signaling via the Hes1 pathways. These results show that the epithelium of the collecting duct has a high degree of plasticity and that Notch signaling likely plays a key role during hypokalemia.
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Affiliation(s)
- Anna Iervolino
- Biogem S.c.a.r.l., Istituto di Ricerche Genetiche "Gaetano Salvatore", Ariano Irpino, Italy
| | - Federica Prosperi
- Biogem S.c.a.r.l., Istituto di Ricerche Genetiche "Gaetano Salvatore", Ariano Irpino, Italy
| | - Luigi R De La Motte
- Biogem S.c.a.r.l., Istituto di Ricerche Genetiche "Gaetano Salvatore", Ariano Irpino, Italy
| | - Federica Petrillo
- Biogem S.c.a.r.l., Istituto di Ricerche Genetiche "Gaetano Salvatore", Ariano Irpino, Italy
| | - Manuela Spagnuolo
- Biogem S.c.a.r.l., Istituto di Ricerche Genetiche "Gaetano Salvatore", Ariano Irpino, Italy
| | - Mariavittoria D'Acierno
- Biogem S.c.a.r.l., Istituto di Ricerche Genetiche "Gaetano Salvatore", Ariano Irpino, Italy.,Department of Translational Medical Sciences, University of Campania "L. Vanvitelli", Naples, Italy
| | - Sabrina Siccardi
- Biogem S.c.a.r.l., Istituto di Ricerche Genetiche "Gaetano Salvatore", Ariano Irpino, Italy.,Department of Translational Medical Sciences, University of Campania "L. Vanvitelli", Naples, Italy
| | - Alessandra F Perna
- Department of Translational Medical Sciences, University of Campania "L. Vanvitelli", Naples, Italy
| | | | | | - Giovambattista Capasso
- Biogem S.c.a.r.l., Istituto di Ricerche Genetiche "Gaetano Salvatore", Ariano Irpino, Italy.,Department of Translational Medical Sciences, University of Campania "L. Vanvitelli", Naples, Italy
| | - Francesco Trepiccione
- Biogem S.c.a.r.l., Istituto di Ricerche Genetiche "Gaetano Salvatore", Ariano Irpino, Italy. .,Department of Translational Medical Sciences, University of Campania "L. Vanvitelli", Naples, Italy.
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5
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Zhang MZ. Notch signaling is essential in collecting duct epithelial cell fate determination during development and maintenance of cell type homeostasis in adult. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:S376. [PMID: 32016094 PMCID: PMC6976490 DOI: 10.21037/atm.2019.12.121] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Accepted: 12/20/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Ming-Zhi Zhang
- Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
- The Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA, USA
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6
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Chen L, Clark JZ, Nelson JW, Kaissling B, Ellison DH, Knepper MA. Renal-Tubule Epithelial Cell Nomenclature for Single-Cell RNA-Sequencing Studies. J Am Soc Nephrol 2019; 30:1358-1364. [PMID: 31253652 DOI: 10.1681/asn.2019040415] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Affiliation(s)
- Lihe Chen
- Epithelial Systems Biology Laboratory, Systems Biology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Jevin Z Clark
- Epithelial Systems Biology Laboratory, Systems Biology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Jonathan W Nelson
- Division of Nephrology and Hypertension, Oregon Health & Science University, Portland, Oregon; and
| | | | - David H Ellison
- Division of Nephrology and Hypertension, Oregon Health & Science University, Portland, Oregon; and
| | - Mark A Knepper
- Epithelial Systems Biology Laboratory, Systems Biology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland;
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7
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Mukherjee M, deRiso J, Otterpohl K, Ratnayake I, Kota D, Ahrenkiel P, Chandrasekar I, Surendran K. Endogenous Notch Signaling in Adult Kidneys Maintains Segment-Specific Epithelial Cell Types of the Distal Tubules and Collecting Ducts to Ensure Water Homeostasis. J Am Soc Nephrol 2018; 30:110-126. [PMID: 30514723 DOI: 10.1681/asn.2018040440] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 11/07/2018] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Notch signaling is required during kidney development for nephron formation and principal cell fate selection within the collecting ducts. Whether Notch signaling is required in the adult kidney to maintain epithelial diversity, or whether its loss can trigger principal cell transdifferentiation (which could explain acquired diabetes insipidus in patients receiving lithium) is unclear. METHODS To investigate whether loss of Notch signaling can trigger principal cells to lose their identity, we genetically inactivated Notch1 and Notch2, inactivated the Notch signaling target Hes1, or induced expression of a Notch signaling inhibitor in all of the nephron segments and collecting ducts in mice after kidney development. We examined renal function and cell type composition of control littermates and mice with conditional Notch signaling inactivation in adult renal epithelia. In addition, we traced the fate of genetically labeled adult kidney collecting duct principal cells after Hes1 inactivation or lithium treatment. RESULTS Notch signaling was required for maintenance of Aqp2-expressing cells in distal nephron and collecting duct segments in adult kidneys. Fate tracing revealed mature principal cells in the inner stripe of the outer medulla converted to intercalated cells after genetic inactivation of Hes1 and, to a lesser extent, lithium treatment. Hes1 ensured repression of Foxi1 to prevent the intercalated cell program from turning on in mature Aqp2+ cell types. CONCLUSIONS Notch signaling via Hes1 regulates maintenance of mature renal epithelial cell states. Loss of Notch signaling or use of lithium can trigger transdifferentiation of mature principal cells to intercalated cells in adult kidneys.
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Affiliation(s)
| | | | - Karla Otterpohl
- Enabling Technologies Group, Sanford Research, Sioux Falls, South Dakota
| | - Ishara Ratnayake
- Department of Nanoscience and Nanoengineering, South Dakota School of Mines and Technology, Rapid City, South Dakota; and
| | - Divya Kota
- Department of Nanoscience and Nanoengineering, South Dakota School of Mines and Technology, Rapid City, South Dakota; and
| | - Phil Ahrenkiel
- Department of Nanoscience and Nanoengineering, South Dakota School of Mines and Technology, Rapid City, South Dakota; and
| | - Indra Chandrasekar
- Enabling Technologies Group, Sanford Research, Sioux Falls, South Dakota.,Department of Pediatrics, Sanford School of Medicine, University of South Dakota, Sioux Falls, South Dakota
| | - Kameswaran Surendran
- Pediatrics and Rare Diseases Group and .,Department of Pediatrics, Sanford School of Medicine, University of South Dakota, Sioux Falls, South Dakota
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8
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Saxena V, Hains DS, Ketz J, Chanley M, Spencer JD, Becknell B, Pierce KR, Nelson RD, Purkerson JM, Schwartz GJ, Schwaderer AL. Cell-specific qRT-PCR of renal epithelial cells reveals a novel innate immune signature in murine collecting duct. Am J Physiol Renal Physiol 2018; 315:F812-F823. [PMID: 28468965 PMCID: PMC6230735 DOI: 10.1152/ajprenal.00512.2016] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 03/23/2017] [Accepted: 04/25/2017] [Indexed: 01/17/2023] Open
Abstract
The urinary tract is usually culture negative despite its close proximity to microbial flora. The precise mechanism by which the kidneys and urinary tract defends against infection is not well understood. The initial kidney cells to encounter ascending pathogens are the collecting tubule cells that consist of principal cells (PCs) that express aquaporin 2 (AQP2) and intercalated cells (ICs) that express vacuolar H+-ATPase (V-ATPase, B1 subunit). We have previously shown that ICs are involved with the human renal innate immune defense. Here we generated two reporter mice, VATPase B1-cre+tdT+ mice to fluorescently label ICs and AQP2-cre+tdT+ mice to fluorescently label PCs, and then performed flow sorting to enrich PCs and ICs for analysis. Isolated ICs and PCs along with proximal tubular cells were used to measure antimicrobial peptide (AMP) mRNA expression. ICs and PCs were significantly enriched for AMPs. Isolated ICs responded to uropathogenic Escherichia coli (UPEC) challenge in vitro and had higher RNase4 gene expression than control while both ICs and PCs responded to UPEC challenge in vivo by upregulating Defb1 mRNA expression. To our knowledge, this is the first report of isolating murine collecting tubule cells and performing targeted analysis for multiple classes of AMPs.
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Affiliation(s)
- Vijay Saxena
- The Research Institute at Nationwide Children's, Center for Clinical and Translational Research, Columbus, Ohio, and College of Medicine, Ohio State University , Columbus, Ohio
| | - David S Hains
- Innate Immunity Translational Research Center, Children's Foundation Research Institute at Le Bonheur Children's Hospital , Memphis, Tennessee
| | - John Ketz
- The Research Institute at Nationwide Children's, Center for Clinical and Translational Research, Columbus, Ohio, and College of Medicine, Ohio State University , Columbus, Ohio
| | - Melinda Chanley
- The Research Institute at Nationwide Children's, Center for Clinical and Translational Research, Columbus, Ohio, and College of Medicine, Ohio State University , Columbus, Ohio
| | - John D Spencer
- The Research Institute at Nationwide Children's, Center for Clinical and Translational Research, Columbus, Ohio, and College of Medicine, Ohio State University , Columbus, Ohio
| | - Brian Becknell
- The Research Institute at Nationwide Children's, Center for Clinical and Translational Research, Columbus, Ohio, and College of Medicine, Ohio State University , Columbus, Ohio
| | - Keith R Pierce
- Innate Immunity Translational Research Center, Children's Foundation Research Institute at Le Bonheur Children's Hospital , Memphis, Tennessee
| | - Raoul D Nelson
- Division of Nephrology, Department of Pediatrics, University of Utah , Salt Lake City, Utah
| | - Jeffrey M Purkerson
- University of Rochester Medical Center, School of Medicine and Dentistry , Rochester, New York
| | - George J Schwartz
- University of Rochester Medical Center, School of Medicine and Dentistry , Rochester, New York
| | - Andrew L Schwaderer
- The Research Institute at Nationwide Children's, Center for Clinical and Translational Research, Columbus, Ohio, and College of Medicine, Ohio State University , Columbus, Ohio
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9
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Werth M, Schmidt-Ott KM, Leete T, Qiu A, Hinze C, Viltard M, Paragas N, Shawber CJ, Yu W, Lee P, Chen X, Sarkar A, Mu W, Rittenberg A, Lin CS, Kitajewski J, Al-Awqati Q, Barasch J. Transcription factor TFCP2L1 patterns cells in the mouse kidney collecting ducts. eLife 2017; 6. [PMID: 28577314 PMCID: PMC5484618 DOI: 10.7554/elife.24265] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 06/03/2017] [Indexed: 12/19/2022] Open
Abstract
Although most nephron segments contain one type of epithelial cell, the collecting ducts consists of at least two: intercalated (IC) and principal (PC) cells, which regulate acid-base and salt-water homeostasis, respectively. In adult kidneys, these cells are organized in rosettes suggesting functional interactions. Genetic studies in mouse revealed that transcription factor Tfcp2l1 coordinates IC and PC development. Tfcp2l1 induces the expression of IC specific genes, including specific H+-ATPase subunits and Jag1. Jag1 in turn, initiates Notch signaling in PCs but inhibits Notch signaling in ICs. Tfcp2l1 inactivation deletes ICs, whereas Jag1 inactivation results in the forfeiture of discrete IC and PC identities. Thus, Tfcp2l1 is a critical regulator of IC-PC patterning, acting cell-autonomously in ICs, and non-cell-autonomously in PCs. As a result, Tfcp2l1 regulates the diversification of cell types which is the central characteristic of 'salt and pepper' epithelia and distinguishes the collecting duct from all other nephron segments. DOI:http://dx.doi.org/10.7554/eLife.24265.001
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Affiliation(s)
- Max Werth
- Columbia University, New York, United States
| | - Kai M Schmidt-Ott
- Columbia University, New York, United States.,Max Delbruck Center for Molecular Medicine, Berlin, Germany.,Department of Nephrology and Intensive Care Medicine, Charité - Universitaetsmedizin Berlin, Berlin, Germany
| | | | - Andong Qiu
- Columbia University, New York, United States.,Tongji University, Shanghai, China
| | | | - Melanie Viltard
- Columbia University, New York, United States.,Institute for European Expertise in Physiology, Paris, France
| | - Neal Paragas
- Columbia University, New York, United States.,University of Washington, Seattle, United States
| | | | - Wenqiang Yu
- Columbia University, New York, United States.,Fudan University, Shanghai, China
| | - Peter Lee
- Columbia University, New York, United States
| | - Xia Chen
- Columbia University, New York, United States
| | - Abby Sarkar
- Columbia University, New York, United States
| | - Weiyi Mu
- Columbia University, New York, United States
| | | | | | - Jan Kitajewski
- Columbia University, New York, United States.,University of Illinois at Chicago, Chicago, United States
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10
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Luna-Antonio BI, Rodriguez-Muñoz R, Namorado-Tonix C, Vergara P, Segovia J, Reyes JL. Gas1 expression in parietal cells of Bowman’s capsule in experimental diabetic nephropathy. Histochem Cell Biol 2017; 148:33-47. [DOI: 10.1007/s00418-017-1550-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/15/2017] [Indexed: 12/25/2022]
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