Whole-Exome Sequencing Enables a Precision Medicine Approach for Kidney Transplant Recipients.
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Mann Nina, Braun Daniela A, Amann Kassaundra, Tan Weizhen, Shril Shirlee, Connaughton Dervla M, Nakayama Makiko, Schneider Ronen, Kitzler Thomas M, van der Ven Amelie T, Chen Jing, Ityel Hadas, Vivante Asaf, Majmundar Amar J, Daga Ankana, Warejko Jillian K, Lovric Svjetlana, Ashraf Shazia, Jobst-Schwan Tilman, Widmeier Eugen, Hugo Hannah, Mane Shrikant M, Spaneas Leslie, Somers Michael J G, Ferguson Michael A, Traum Avram Z, Stein Deborah R, Baum Michelle A, Daouk Ghaleb H, Lifton Richard P, Manzi Shannon, Vakili Khashayar, Kim Heung Bae, Rodig Nancy M, Hildebrandt Friedhelm
Аннотация
METHODS: To determine the diagnostic yield of WES in pediatric kidney transplant recipients, we recruited 104 patients who had received a transplant at Boston Children's Hospital from 2007 through 2017, performed WES, and analyzed results for likely deleterious variants in approximately 400 genes known to cause CKD.
RESULTS: By WES, we identified a genetic cause of CKD in 34 out of 104 (32.7%) transplant recipients. The likelihood of detecting a molecular genetic diagnosis was highest for patients with urinary stone disease (three out of three individuals), followed by renal cystic ciliopathies (seven out of nine individuals), steroid-resistant nephrotic syndrome (nine out of 21 individuals), congenital anomalies of the kidney and urinary tract (ten out of 55 individuals), and chronic glomerulonephritis (one out of seven individuals). WES also yielded a molecular diagnosis for four out of nine individuals with ESRD of unknown etiology. The WES-related molecular genetic diagnosis had implications for clinical care for five patients.
CONCLUSIONS: Nearly one third of pediatric renal transplant recipients had a genetic cause of their kidney disease identified by WES. Knowledge of this genetic information can help guide management of both transplant patients and potential living related donors.