Exome Sequencing in Monogenic Forms of Rickets

Prince Jacob, Gandham Sri Lakshmi Bhavani, Prajna Udupa, Zheng Wang, Sankar V. Hariharan, Kishan Delampady, Ashwin Dalal, Nutan Kamath, Shiro Ikegawa, Rathika D. Shenoy, Koushik Handattu, Hitesh Shah, Katta M. Girisha

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Objective: To understand the phenotypic and genotypic spectrum of genetic forms of rickets in 10 families. Methods: Detailed clinical, radiographic, and biochemical evaluation of 10 families with phenotypes suggestive of a genetic cause of rickets was performed. Molecular testing using exome sequencing aided in the diagnosis of six different forms of known genetic causes. Results: Eleven disease-causing variants including five previously reported variants (CYP27B1:c.1319_1325dup, p.(Phe443Profs*24), VDR:c.1171C>T, p.(Arg391Cys), PHEX: c.1586_1586+1del, PHEX: c.1482+5G>C, PHEX: c.58C>T, p.(Arg20*)) and six novel variants (CYP27B1:c.974C>T, p.(Thr325Met), CYP27B1: c.1376G>A, p.(Arg459His), CYP2R1: c.595C>T, p.(Arg199*), CYP2R1:c.1330G>C, p.(Gly444Arg),SLC34A3:c.1336-11_1336-1del, SLC2A2: c.589G>C, p.(Val197Leu)) in the genes known to cause monogenic rickets were identified. Conclusion: The authors hereby report a case series of individuals from India with a molecular diagnosis of rickets and provide the literature review which would help in enhancing the clinical and molecular profile for rapid and differential diagnosis of rickets.

Original languageEnglish
Pages (from-to)1182-1190
Number of pages9
JournalIndian Journal of Pediatrics
Issue number12
Publication statusPublished - 12-2023

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health


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