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Lee H, Wang L, Ni FF, Yang XY, Feng SP, Gao XJ, Chi H, Luo YT, Chen XL, Yang BH, Wan JL, Jiao J, Wu DQ, Zhang GF, Wang M, Yang HP, Chan H, Li Q. Association between HLA alleles and sub-phenotype of childhood steroid-sensitive nephrotic syndrome. World J Pediatr 2022; 18:109-119. [PMID: 34973118 PMCID: PMC8843916 DOI: 10.1007/s12519-021-00489-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 11/11/2021] [Indexed: 10/26/2022]
Abstract
BACKGROUND Few studies have addressed the effects of human leukocyte antigen (HLA) alleles on different clinical sub-phenotypes in childhood steroid-sensitive nephrotic syndrome (SSNS), including SSNS without recurrence (SSNSWR) and steroid-dependent nephrotic syndrome/frequently relapse nephrotic syndrome (SDNS/FRNS). In this study, we investigated the relationship between HLA system and children with SSNSWR and SDNS/FRNS and clarified the value of HLA allele detection for precise typing of childhood SSNS. METHODS A total of 241 Chinese Han individuals with SSNS were genotyped using GenCap-WES Capture Kit, and four-digit resolution HLA alleles were imputed from available Genome Wide Association data. The distribution and carrying frequency of HLA alleles in SSNSWR and SDNS/FRNS were investigated. Additionally, logistic regression and mediating effects were used to examine the relationship between risk factors for disease process and HLA system. RESULTS Compared with SSNSWR, significantly decreased serum levels of complement 3 (C3) and complement 4 (C4) at onset were detected in SDNS/FRNS (C3, P < 0.001; C4, P = 0.018). The average time to remission after sufficient initial steroid treatment in SDNS/FRNS was significantly longer than that in SSNSWR (P = 0.0001). Low level of C4 was further identified as an independent risk factor for SDNS/FRNS (P = 0.008, odds ratio = 0.174, 95% confidence interval 0.048-0.630). The HLA-A*11:01 allele was independently associated with SSNSWR and SDNS/FRNS (P = 0.0012 and P = 0.0006, respectively). No significant HLA alleles were detected between SSNSWR and SDNS/FRNS. In addition, a mediating effect among HLA-I alleles (HLA-B*15:11, HLA-B*44:03 and HLA-C*07:06), C4 level and SDNS/FRNS was identified. CONCLUSIONS HLA-I alleles provide novel genetic markers for SSNSWR and SDNS/FRNS. HLA-I antigens may be involved in steroid dependent or frequent relapse in children with SSNS as mediators of immunoregulation.
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Affiliation(s)
- Hao Lee
- grid.488412.3Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Li Wang
- Department of Nephrology, Chengdu Women and Children Central Hospital, Chengdu, 610041 China
| | - Fen-Fen Ni
- grid.452787.b0000 0004 1806 5224Department of Nephrology, Shenzhen Children’s Hospital, Shenzhen, China
| | - Xue-Ying Yang
- grid.488412.3Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Shi-Pin Feng
- Department of Nephrology, Chengdu Women and Children Central Hospital, Chengdu, 610041 China
| | - Xiao-Jie Gao
- grid.452787.b0000 0004 1806 5224Department of Nephrology, Shenzhen Children’s Hospital, Shenzhen, China
| | - Huan Chi
- grid.488412.3Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Ye-Tao Luo
- grid.488412.3Department of Statistics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Xue-Lan Chen
- grid.488412.3Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Bao-Hui Yang
- grid.488412.3Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Jun-Li Wan
- grid.488412.3Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Jia Jiao
- grid.488412.3Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Dao-Qi Wu
- grid.488412.3Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Gao-Fu Zhang
- grid.488412.3Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Mo Wang
- grid.488412.3Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Hai-Ping Yang
- grid.488412.3Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Han Chan
- Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children's Hospital of Chongqing Medical University, Chongqing, China.
| | - Qiu Li
- Pediatric Research Institute, Department of Nephrology, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Children's Hospital of Chongqing Medical University, Chongqing, China.
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Testi M, Battarra M, Lucarelli G, Isgro A, Morrone A, Akinyanju O, Wakama T, Nunes JM, Andreani M, Sanchez-Mazas A. HLA-A-B-C-DRB1-DQB1 phased haplotypes in 124 Nigerian families indicate extreme HLA diversity and low linkage disequilibrium in Central-West Africa. ACTA ACUST UNITED AC 2015; 86:285-92. [DOI: 10.1111/tan.12642] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Revised: 06/18/2015] [Accepted: 07/20/2015] [Indexed: 12/01/2022]
Affiliation(s)
- M. Testi
- Laboratory of Immunogenetics and Transplant Biology, IME Foundation; Policlinic of the University of Tor Vergata; Rome Italy
| | - M. Battarra
- Laboratory of Immunogenetics and Transplant Biology, IME Foundation; Policlinic of the University of Tor Vergata; Rome Italy
| | - G. Lucarelli
- International Center for Transplantation in Thalassemia and Sickle Cell Anemia, IME Foundation; Policlinic of the University of Tor Vergata; Rome Italy
| | - A. Isgro
- International Center for Transplantation in Thalassemia and Sickle Cell Anemia, IME Foundation; Policlinic of the University of Tor Vergata; Rome Italy
| | - A. Morrone
- International Center for Transplantation in Thalassemia and Sickle Cell Anemia, IME Foundation; Policlinic of the University of Tor Vergata; Rome Italy
| | | | | | - J. M. Nunes
- Laboratory of Anthropology, Genetics and Peopling History, Department of Genetics and Evolution-Anthropology Unit; University of Geneva; Geneva Switzerland
| | - M. Andreani
- Laboratory of Immunogenetics and Transplant Biology, IME Foundation; Policlinic of the University of Tor Vergata; Rome Italy
| | - A. Sanchez-Mazas
- Laboratory of Anthropology, Genetics and Peopling History, Department of Genetics and Evolution-Anthropology Unit; University of Geneva; Geneva Switzerland
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Deng Z, Gao X, Kirk G, Wolinsky S, Carrington M. Characterization of the HLA-C*07:01:01G allele group in European and African-American cohorts. Hum Immunol 2012; 73:715-9. [PMID: 22548719 PMCID: PMC3377779 DOI: 10.1016/j.humimm.2012.04.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2012] [Revised: 04/06/2012] [Accepted: 04/23/2012] [Indexed: 11/15/2022]
Abstract
The HLA-C*07:01:01G allele group consists of three nonsynonymous alleles, C*07:01:01, C*07:06 and C*07:18, plus C*07:01:02, which is synonymous to C*07:01:01. All of these alleles have identical exons 2, 3 and 4, but differ in exons 5 or 6. Therefore routine sequence-based typing (SBT) of exons 2 and 3 is unable to resolve these subtypes, resulting in ambiguous typing results in population and disease cohort studies. In the present study, we fully characterized C*07:01:01G subtypes in European and African Americans and examined their relative frequency distributions. In European Americans C*07:01:01G is predominantly represented by C*07:01:01 (94.4%), whereas C*07:01:02 (1.1%) and C*07:18 (4.5%) were detected relatively infrequently. In African Americans C*07:18 (42.4%) showed a high frequency similar to that of C*07:01:01 (44.7%) whereas C*07:06 was detected at a low frequency (4.7%). C*07:06 was found exclusively on B*44:03 carrying haplotypes in both ethnic groups, but C*07:18 showed multiple linkage relationships with HLA-B. These results demonstrate that C*07:01:01G as defined by routine SBT is a heterogeneous group of alleles, especially among individuals of African origin. If C*07:01:01G subtypes prove to bear divergent functional significance, it would be necessary to include these subtypes in routine HLA-C typing for clinical transplantation and disease association studies.
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Affiliation(s)
- Zhihui Deng
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong 518035, China
| | - Xiaojiang Gao
- Cancer & Inflammation Program, Laboratory of Experimental Immunology, SAIC Frederick, NCI Frederick, P.O. Box B, Bldg. 560, Rm. 21-89, Frederick, MD 21702 and Ragon Institute of MGH, MIT and Harvard, 149 13th Street, Boston, MA, 02114, USA
| | - Greg Kirk
- Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD, 21205, USA
| | - Steven Wolinsky
- Division of Infectious Diseases, The Feinberg School of Medicine, Northwestern University, 645 N. Michigan Avenue, Suite 900, Chicago, IL, 60611, USA
| | - Mary Carrington
- Cancer & Inflammation Program, Laboratory of Experimental Immunology, SAIC Frederick, NCI Frederick, P.O. Box B, Bldg. 560, Rm. 21-89, Frederick, MD 21702 and Ragon Institute of MGH, MIT and Harvard, 149 13th Street, Boston, MA, 02114, USA
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Deng Z, Wang D, Xu Y, Gao S, Zhou H, Yu Q, Yang B. HLA-C polymorphisms and PCR dropout in exons 2 and 3 of the Cw*0706 allele in sequence-based typing for unrelated Chinese marrow donors. Hum Immunol 2010; 71:577-81. [PMID: 20226825 DOI: 10.1016/j.humimm.2010.03.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2010] [Revised: 03/03/2010] [Accepted: 03/05/2010] [Indexed: 11/24/2022]
Abstract
To evaluate the accuracy of SBT protocols for HLA-C and to better understand the HLA-C polymorphism in Chinese, 1795 unrelated CMDP donors were typed at exons 2, 3, and 4 of the HLA-C gene using the Atria commercial kit. Of the study subjects, 1768 showed conclusive typing results, whereas the other 27 showed inconclusive results. Subsequent full-length cloning and haplotype sequencing showed that 11 of the 27 inconclusive results could be explained by the presence of nine novel alleles identified: Cw*0130, 0624, 070206, 075602, 0766, 0767, 0820, 0821, and 0827. These novel alleles were generated by a total of 10 coding-region substitutions, eight of them being located in the antigen-binding groove. Cw*0766 and Cw*075602 were detected three and two times, respectively, in the 1795 donors. The other 16 inconclusive samples were retested by SBT using our in-house PCR primers; all of them were found to carry Cw*0706, which dropped out in exons 2 and 3 in the initial PCR using the commercial primers amplifying from 5' UTR to intron 3. Our results showed the importance of the full-length genomic sequence and intronic SNPs for the development of more accurate SBT. The allele distribution and novel alleles detected in this study also provide further insights into the HLA-C polymorphism in the Chinese Han population.
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Affiliation(s)
- Zhihui Deng
- Immunogenetics Laboratory, Shenzhen Blood Center, Shenzhen, Guangdong 518035, China.
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Torimiro JN, Carr JK, Wolfe ND, Karacki P, Martin MP, Gao X, Tamoufe U, Thomas A, Ngole EM, Birx DL, McCutchan FE, Burke DS, Carrington M. HLA class I diversity among rural rainforest inhabitants in Cameroon: identification of A*2612-B*4407 haplotype. ACTA ACUST UNITED AC 2006; 67:30-7. [PMID: 16451198 DOI: 10.1111/j.1399-0039.2005.00527.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The population distribution of alleles of the classical HLA class I loci in Cameroon has not been well studied but is of particular interest given the AIDS and malarial epidemics afflicting this population. We investigated the genetic diversity of HLA-A, HLA-B and HLA-C alleles in remote populations of Cameroon. Subjects from seven small, isolated, indigenous populations (N = 274) in the rainforest of southern Cameroon were typed for HLA-A, HLA-B and HLA-C alleles using a polymerase chain reaction/sequence-specific oligonucleotide probe assay and sequence analysis. Multiple alleles of the HLA-A (N = 28), HLA-B (N = 41) and HLA-C (N = 21) loci were identified, of which A*2301[allele frequency (AF) = 12.8%], B*5802 (AF = 10.9%) and Cw*0401 (AF = 16.6%) were the most frequent individual alleles and A*02 (AF = 19.0%), B*58 (AF = 15.9%) and Cw*07 (AF = 22.4%) the most common serologically defined groups of alleles. Twenty-six (28.9%) alleles with a frequency of less than 1% (AF < 1%), 39 (43%) with a frequency of 2.0-15.0% (AF = 2.0-15.0%), three globally uncommon alleles [A*2612 (AF = 2.0%), B*4016 (AF = 0.7%) and B*4407 (AF = 1.4%)], and the A*2612-Cw*0701/06/18-B*4407 haplotype (haplotype frequency = 1.3%) were also identified. Heterozygosity values of 0.89, 0.92 and 0.89 were determined for HLA-A, HLA-B and HLA-C, respectively. The extensive allelic and haplotypic diversity observed in this population may have resulted from varied natural selective pressures on the population, as well as intermingling of peoples from multiple origins. Thus, from an anthropologic perspective, these data highlight the challenges in T-cell-based vaccine development, the identification of allogeneic transplant donors and the understanding of infectious disease patterns in different populations.
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Affiliation(s)
- J N Torimiro
- Walter Reed - Johns Hopkins Cameroon Program, Yaounde.
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