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Liu E, Radmanesh B, Chung BH, Donnan MD, Yi D, Dadi A, Smith KD, Himmelfarb J, Li M, Freedman BS, Lin J. Profiling APOL1 Nephropathy Risk Variants in Genome-Edited Kidney Organoids with Single-Cell Transcriptomics. Kidney360 2020; 1:203-215. [PMID: 32656538 PMCID: PMC7351353 DOI: 10.34067/kid.0000422019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 02/12/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND DNA variants in APOL1 associate with kidney disease, but the pathophysiologic mechanisms remain incompletely understood. Model organisms lack the APOL1 gene, limiting the degree to which disease states can be recapitulated. Here we present single-cell RNA sequencing (scRNA-seq) of genome-edited human kidney organoids as a platform for profiling effects of APOL1 risk variants in diverse nephron cell types. METHODS We performed footprint-free CRISPR-Cas9 genome editing of human induced pluripotent stem cells (iPSCs) to knock in APOL1 high-risk G1 variants at the native genomic locus. iPSCs were differentiated into kidney organoids, treated with vehicle, IFN-γ, or the combination of IFN-γ and tunicamycin, and analyzed with scRNA-seq to profile cell-specific changes in differential gene expression patterns, compared with isogenic G0 controls. RESULTS Both G0 and G1 iPSCs differentiated into kidney organoids containing nephron-like structures with glomerular epithelial cells, proximal tubules, distal tubules, and endothelial cells. Organoids expressed detectable APOL1 only after exposure to IFN-γ. scRNA-seq revealed cell type-specific differences in G1 organoid response to APOL1 induction. Additional stress of tunicamycin exposure led to increased glomerular epithelial cell dedifferentiation in G1 organoids. CONCLUSIONS Single-cell transcriptomic profiling of human genome-edited kidney organoids expressing APOL1 risk variants provides a novel platform for studying the pathophysiology of APOL1-mediated kidney disease.
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Affiliation(s)
- Esther Liu
- Division of Nephrology and Hypertension, Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Behram Radmanesh
- Division of Nephrology and Hypertension, Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Byungha H. Chung
- Division of Nephrology, Department of Medicine, Kidney Research Institute, Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, Washington
| | - Michael D. Donnan
- Division of Nephrology and Hypertension, Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Dan Yi
- Division of Nephrology and Hypertension, Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Amal Dadi
- Division of Nephrology and Hypertension, Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Kelly D. Smith
- Department of Pathology, University of Washington, Seattle, Washington
| | - Jonathan Himmelfarb
- Division of Nephrology, Department of Medicine, Kidney Research Institute, Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, Washington
| | - Mingyao Li
- Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania; and
| | - Benjamin S. Freedman
- Division of Nephrology, Department of Medicine, Kidney Research Institute, Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, Washington
- Department of Pathology, University of Washington, Seattle, Washington
| | - Jennie Lin
- Division of Nephrology and Hypertension, Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- Section of Nephrology, Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois
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Jouri AM, Simohamed LM, Boudrioua A, Ziane O, Hassani B, Dadi A. Analysis of Indexed-Guided Highly Birefringent Photonic Crystal Fiber Employing Different Cladding Geometries. J Fundam and Appl Sci 2015. [DOI: 10.4314/jfas.v4i1.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Dadi A, Fahli A. Simulation of absorbed dose and application to image processing. Appl Radiat Isot 1995. [DOI: 10.1016/0969-8043(95)00043-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Bejaoui M, Dadi A, Kamoun A, Bejaoui N, Hajji F, Hafsia A, Lakhoua R. [Hyperactivation of the mononuclear phagocyte system and typhoid fever]. Tunis Med 1992; 70:165-9. [PMID: 1496751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- M Bejaoui
- Service de Pédiatrie, Hôpital Charles Nicolle, Tunis
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Apter A, Dadi A, Tyano S. [Secondary transsexualism in adolescence]. Harefuah 1990; 118:250-2. [PMID: 2344979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
2 boys, 15 and 16 years old, with secondary transsexualism are reported. Both requested sex change operations, which had they been performed, would have proved disastrous. They responded to relatively simple, short-term psychiatric treatment based on an eclectic approach which included behavioral, psychodynamic and educational elements.
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Affiliation(s)
- A Apter
- Geha Hospital, Tel Aviv University
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