Cell · 2011
Mapping the NPHP-JBTS-MKS protein network reveals ciliopathy disease genes and pathways.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Sang Liyun, Miller Julie J, Corbit Kevin C, Giles Rachel H, Brauer Matthew J, Otto Edgar A, Baye Lisa M, Wen Xiaohui, Scales Suzie J, Kwong Mandy, Huntzicker Erik G, Sfakianos Mindan K, Sandoval Wendy, Bazan J Fernando, Kulkarni Priya, Garcia-Gonzalo Francesc R, Seol Allen D, O'Toole John F, Held Susanne, Reutter Heiko M, Lane William S, Rafiq Muhammad Arshad, Noor Abdul, Ansar Muhammad, Devi Akella Radha Rama, Sheffield Val C, Slusarski Diane C, Vincent John B, Doherty Daniel A, Hildebrandt Friedhelm, Reiter Jeremy F, Jackson Peter K
Аннотация
Nephronophthisis (NPHP), Joubert (JBTS), and Meckel-Gruber (MKS) syndromes are autosomal-recessive ciliopathies presenting with cystic kidneys, retinal degeneration, and cerebellar/neural tube malformation. Whether defects in kidney, retinal, or neural disease primarily involve ciliary, Hedgehog, or cell polarity pathways remains unclear. Using high-confidence proteomics, we identified 850 interactors copurifying with nine NPHP/JBTS/MKS proteins and discovered three connected modules: "NPHP1-4-8" functioning at the apical surface, "NPHP5-6" at centrosomes, and "MKS" linked to Hedgehog signaling. Assays for ciliogenesis and epithelial morphogenesis in 3D renal cultures link renal cystic disease to apical organization defects, whereas ciliary and Hedgehog pathway defects lead to retinal or neural deficits. Using 38 interactors as candidates, linkage and sequencing analysis of 250 patients identified ATXN10 and TCTN2 as new NPHP-JBTS genes, and our Tctn2 mouse knockout shows neural tube and Hedgehog signaling defects. Our study further illustrates the power of linking proteomic networks and human genetics to uncover critical disease pathways.