期刊
AMERICAN JOURNAL OF MEDICAL GENETICS PART A
卷 188, 期 3, 页码 919-925出版社
WILEY
DOI: 10.1002/ajmg.a.62576
关键词
congenital anomalies of kidney and urinary tract syndrome; glaucoma; PBX1
资金
- Center for Individualized Medicine, Mayo Clinic
This case presents a patient with multiple systemic defects, with a loss of function variant identified in association with PBX1 through genetic testing. Research suggests that PBX1 is related to eye development, possibly explaining the patient's presentation of glaucoma.
An infant was referred for evaluation of congenital glaucoma and corneal clouding. In addition, he had a pelvic kidney, hypotonia, patent ductus arteriosus, abnormal pinnae, and developmental delay. Exome sequencing identified a previously unpublished de novo single nucleotide insertion in PBX1 c.400dupG (NM_002585.3), predicted to cause a frameshift resulting in a truncated protein with loss of function (p.Ala134Glyfs*65). Identification of this loss of function variant supports the diagnosis of congenital anomalies of the kidney and urinary tract syndrome with or without hearing loss, abnormal ears, or developmental delay (CAKUTHED). Here, we propose glaucoma as an extra-renal manifestation associated with PBX1-related disease due to the relationship of PBX1 with MEIS1, MEIS2, and FOXC1 transcription factors associated with eye development.
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