Abstract:
:Human-pluripotent-stem-cell-derived kidney cells (hPSC-KCs) have important potential for disease modelling and regeneration. Whether the hPSC-KCs can reconstitute tissue-specific phenotypes is currently unknown. Here we show that hPSC-KCs self-organize into kidney organoids that functionally recapitulate tissue-specific epithelial physiology, including disease phenotypes after genome editing. In three-dimensional cultures, epiblast-stage hPSCs form spheroids surrounding hollow, amniotic-like cavities. GSK3β inhibition differentiates spheroids into segmented, nephron-like kidney organoids containing cell populations with characteristics of proximal tubules, podocytes and endothelium. Tubules accumulate dextran and methotrexate transport cargoes, and express kidney injury molecule-1 after nephrotoxic chemical injury. CRISPR/Cas9 knockout of podocalyxin causes junctional organization defects in podocyte-like cells. Knockout of the polycystic kidney disease genes PKD1 or PKD2 induces cyst formation from kidney tubules. All of these functional phenotypes are distinct from effects in epiblast spheroids, indicating that they are tissue specific. Our findings establish a reproducible, versatile three-dimensional framework for human epithelial disease modelling and regenerative medicine applications.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Freedman BS,Brooks CR,Lam AQ,Fu H,Morizane R,Agrawal V,Saad AF,Li MK,Hughes MR,Werff RV,Peters DT,Lu J,Baccei A,Siedlecki AM,Valerius MT,Musunuru K,McNagny KM,Steinman TI,Zhou J,Lerou PH,Bonventre JVdoi
10.1038/ncomms9715subject
Has Abstractpub_date
2015-10-23 00:00:00pages
8715issn
2041-1723pii
ncomms9715journal_volume
6pub_type
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