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Cited by 256

The DOI matches its Crossref record; 55 of the 55 references it cites were found in a registry or an index.

Systems biology of autosomal dominant polycystic kidney disease (ADPKD): computational identification of gene expression pathways and integrated regulatory networks

Song, Xuewen, Di Giovanni, Valeria, He, Ning, Wang, Kairong, Ingram, Alistair, Rosenblum, Norman D., Pei, York·2009·Human Molecular Genetics

Abstract

To elucidate the molecular pathways that modulate renal cyst growth in ADPKD, we performed global gene profiling on cysts of different size (<1 ml, n = 5; 10-20 ml, n = 5; >50 ml, n = 3) and minimally cystic tissue (MCT, n = 5) from five PKD1 human polycystic kidneys using Affymetrix HG-U133 Plus 2.0 arrays. We used gene set enrichment analysis to identify overrepresented signaling pathways and key transcription factors (TFs) between cysts and MCT. We found down-regulation of kidney epithelial restricted genes (e.g. nephron segment-specific markers and cilia-associated cystic genes such as HNF1B, PKHD1, IFT88 and CYS1) in the renal cysts. On the other hand, PKD1 cysts displayed a rich profile of gene sets associated with renal development, mitogen-mediated proliferation, cell cycle progression, epithelial-mesenchymal transition, hypoxia, aging and immune/inflammatory responses. Notably, our data suggest that up-regulation of Wnt/beta-catenin, pleiotropic growth factor/receptor tyrosine kinase (e.g. IGF/IGF1R, FGF/FGFR, EGF/EGFR, VEGF/VEGFR), G-protein-coupled receptor (e.g. PTGER2) signaling was associated with renal cystic growth. By integrating these pathways with a number of dysregulated networks of TFs (e.g. SRF, MYC, E2F1, CREB1, LEF1, TCF7, HNF1B/ HNF1A and HNF4A), our data suggest that epithelial dedifferentiation accompanied by aberrant activation and cross-talk of specific signaling pathways may be required for PKD1 cyst growth and disease progression. Pharmacological modulation of some of these signaling pathways may provide a potential therapeutic strategy for ADPKD.

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Metadata

Authors
Song, X., Di Giovanni, V., He, N., Wang, K., Ingram, A., Rosenblum, N. D., & Pei, Y.
Venue
Human Molecular Genetics
Published
2009-04-03
Volume
18
Issue
13
Pages
2328-2343
ISSN
  • 0964-6906 (ISSN-L)
  • 1460-2083
OpenAlex
W2124577658
Cited by
256
References
55
FWCI
6.77
Type
journal article
Language
en
Open access
closed

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Song, X., Di Giovanni, V., He, N., Wang, K., Ingram, A., Rosenblum, N. D., & Pei, Y. (2009). Systems biology of autosomal dominant polycystic kidney disease (ADPKD): computational identification of gene expression pathways and integrated regulatory networks. Human Molecular Genetics. https://doi.org/10.1093/hmg/ddp165

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