The Genetics of Primary Ciliary Dyskinesia in Puerto Rico

被引:7
作者
De Jesus-Rojas, Wilfredo [1 ,2 ]
Muniz-Hernandez, Jose [3 ]
Alvarado-Huerta, Francisco [1 ]
Melendez-Montanez, Jesus M. [2 ]
Santos-Lopez, Arnaldo J. [2 ]
Mosquera, Ricardo A. [4 ]
机构
[1] Univ Puerto Rico, Dept Pediat Anat & Neuroanat, Med Sci Campus, San Juan, PR 00921 USA
[2] Ponce Hlth Sci Univ, Dept Pediat, Ponce, PR 00716 USA
[3] Univ Puerto Rico, Dept Nat Sci, Cayey Campus, Cayey, PR 00736 USA
[4] Univ Texas Hlth Sci Ctr Houston, McGovern Med Sch, Dept Pediat, Houston, TX 77030 USA
关键词
primary ciliary dyskinesia; RSPH4A; pathogenic; variant of uncertain significance; Puerto Rico; founder mutation; VARIANTS;
D O I
10.3390/diagnostics12051127
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Primary ciliary dyskinesia (PCD) has been linked to more than 50 genes that cause a spectrum of clinical symptoms, including newborn respiratory distress, sinopulmonary infections, and laterality abnormalities. Although the RSPH4A (c.921 +3_6delAAGT) pathogenic variant has been related to Hispanic groups with Puerto Rican ancestry, it is uncertain how frequently other PCD-implicated genes are present on the island. A retrospective chart review of n = 127 genetic reports from Puerto Rican subjects who underwent genetic screening for PCD variants was conducted from 2018 to 2022. Of 127 subjects, 29.1% subjects presented PCD pathogenic variants, and 13.4% were homozygous for the RSPH4A (c.921+3_6delAAGT) founder mutation. The most common pathogenic variants were in RSPH4A and ZMYND10 genes. A description of the frequency and geographic distribution of implicated PCD pathogenic variants in Puerto Rico is presented. Our findings reconfirm that the presence of PCD in Puerto Rico is predominantly due to a founder pathogenic variant in the RSPH4A (c.921+3_6delAAGT) splice site. Understanding the frequency of PCD genetic variants in Puerto Rico is essential to map a future genotype-phenotype PCD spectrum in Puerto Rican Hispanics with a heterogeneous ancestry.
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页数:13
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