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Updated: Nov 12, 2025
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Targeted Next-generation Sequencing and Bioinformatics Pipeline to Evaluate Genetic Determinants of Constitutional Disease
Published on: April 4, 2018
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Study on pathogenic genes of dwarfism disease by next-generation sequencing
1Department of Pediatrics, Quanzhou First Hospital, Quanzhou 362000, Fujian Province, China. lvlv8000@126.com.
World Journal of Clinical Cases
|March 17, 2021
Summary
Next-generation sequencing identified gene variations in 10 of 39 dwarfism patients. These findings suggest potential molecular causes for dwarfism, aiding in understanding its genetic basis.
Area of Science:
- Genetics
- Molecular Biology
- Pediatrics
Background:
- Dwarfism encompasses various conditions with incompletely understood molecular mechanisms.
- Next-generation sequencing (NGS) offers a powerful tool for identifying causative gene mutations.
Purpose of the Study:
- To investigate genetic variations associated with dwarfism using a targeted gene panel.
- To screen for candidate gene mutations utilizing next-generation sequencing technology.
Main Methods:
- Comprehensive clinical evaluation, including physical examinations and laboratory tests (e.g., growth hormone, IGF-1, IGFBP3).
- Analysis of imaging and chromosome karyotyping.
- Next-generation sequencing to identify pathogenic genetic variations.
Main Results:
- Pathogenic variations were detected in 10 out of 39 dwarfism patients.
- Mutations were identified in genes including OBSL1, SLC26A2, PTPN11, COL27A1, HDAC6, CUL7, FGFR3, DYNC2H1, GH1, and ATP7B.
- Observed clinical features included growth hormone deficiency and specific physical characteristics; growth hormone therapy improved IGF-1 and IGFBP3 levels.
Conclusions:
- The identified genes (OBSL1, SLC26A2, PTPN11, COL27A1, HDAC6, CUL7, FGFR3, DYNC2H1, GH1, ATP7B) are potentially linked to dwarfism.
- Further research is required to fully elucidate the molecular mechanisms underlying dwarfism.
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