Successful newborn screening for SCID in the Navajo Nation

被引:41
作者
Kwan, Antonia [1 ,2 ]
Hu, Diana [3 ]
Song, Miran [3 ]
Gomes, Heidi [4 ]
Brown, Denise R. [3 ]
Bourque, Trudy [4 ]
Gonzatez-Espinosa, Diana [1 ,2 ]
Lin, Zhili [5 ]
Cowan, Morton J. [1 ,2 ]
Puck, Jennifer M. [1 ,2 ]
机构
[1] Benioff Childrens Hosp, Dept Pediat, Allergy Immunol & Blood & Marrow Transplant Div, San Francisco, CA 94143 USA
[2] Univ Calif San Francisco, San Francisco, CA 94143 USA
[3] Tuba City Reg Hlth Care Ctr, Dept Pediat, Tuba City, AZ 86045 USA
[4] Chinle Comprehens Hlth Care Facil, Dept Pediat, Chinle, AZ 86503 USA
[5] PerkinElmer Genet Inc, Res & Dev, Bridgeville, PA 15017 USA
关键词
Artemis; Navajo; Newborn screening; Primary immunodeficiency; SCID; TREC; SEVERE COMBINED IMMUNODEFICIENCY; INFORMED-CONSENT; POPULATION; TRANSPLANTATION; MUTATION;
D O I
10.1016/j.clim.2015.02.015
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Newborn screening (NBS) for severe combined immunodeficiency (SCID) identifies affected infants before the onset of life-threatening infections, permitting optimal treatment. Navajo Native Americans have a founder mutation in the DNA repair enzyme Artemis, resulting in frequent Artemis SCID (SOD-A). A pilot study at 2 Navajo hospitals assessed the feasibility of SCID NBS in this population. Dried blood spots from 1800 infants were assayed by PCR for T-cell receptor excision circles (TRECs), a biomarker for naive T cells. Starting in February 2012, TREC testing transitioned to standard care throughout the Navajo Area Indian Health Service, and a total of 7900 infants were screened through July 2014. One infant had low TRECs and was diagnosed with non-SCID T lymphopenia, while 4 had undetectable TRECs due to SCID-A, all of whom were referred for hematopoietic cell transplantation. This report establishes the incidence of SCID-A and demonstrates effectiveness of TREC NBS in the Navajo. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码:29 / 34
页数:6
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