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Mikosch P, Aistleitner A, Oehrlein M, Trifina-Mikosch E. Hashimoto's thyroiditis and coexisting disorders in correlation with HLA status-an overview. Wien Med Wochenschr 2023; 173:41-53. [PMID: 34524590 PMCID: PMC9877058 DOI: 10.1007/s10354-021-00879-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 07/02/2021] [Indexed: 01/29/2023]
Abstract
Hashimoto's thyroiditis (HT), also known as chronic lymphocytic thyroiditis, is a frequent disorder of the thyroid gland caused by autoimmune-trigged lymphocytic infiltration and destruction of the thyroid gland. With the progressive destruction of the organ, the thyroid gland shrinks in size, thus commonly leading to hypothyroidism. Therapy of HT is mainly focused on managing the thyroid dysfunction by oral substitution of L‑thyroxine. However, patients with HT often complain about a broad spectrum of symptoms, with some of them hardly explained by HT itself. Several other disorders are known to be associated with HT. The etiology of HT seems to be multifactorial, including environmental influences such as iodine supply, infections, and stress as triggers of immune modulation. In addition, also a genetic background based on changes of the human leukocyte antigen (HLA) status seems to be evident. The paper will provide an overview of diseases related to HT, including their correlation to certain HLA patterns. This presentation should give a broader view on HT-related disorders and facilitate detailed examination and management of patients with HT.
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Affiliation(s)
- Peter Mikosch
- Teaching Unit, Medizinische Universität Wien/Medical University Vienna, Vienna, Austria.
- Dept. Internal Medicinie 2, Landesklinikum Mistelbach-Gänserndorf, Liechtensteinstraße 67, 2130, Mistelbach, Austria.
| | - Adrian Aistleitner
- Teaching Unit, Medizinische Universität Wien/Medical University Vienna, Vienna, Austria
| | - Markus Oehrlein
- Teaching Unit, Medizinische Universität Wien/Medical University Vienna, Vienna, Austria
| | - Eva Trifina-Mikosch
- Teaching Unit, Medizinische Universität Wien/Medical University Vienna, Vienna, Austria
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2
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Al Naqbi H, Mawart A, Alshamsi J, Al Safar H, Tay GK. Major histocompatibility complex (MHC) associations with diseases in ethnic groups of the Arabian Peninsula. Immunogenetics 2021; 73:131-152. [PMID: 33528690 PMCID: PMC7946680 DOI: 10.1007/s00251-021-01204-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 01/05/2021] [Indexed: 12/12/2022]
Abstract
Since the discovery of human leukocyte antigens (HLAs), the function of major histocompatibility complex (MHC) gene families in a wide range of diseases have been the subject of research for decades. In particular, the associations of autoimmune disorders to allelic variants and candidate genes encoding the MHC are well documented. However, despite decades of research, the knowledge of MHC associations with human disease susceptibility have been predominantly studied in European origin, with limited understanding in different populations and ethnic groups. This is particularly evident in countries and ethnic populations of the Arabian Peninsula. Human MHC haplotypes, and its association with diseases, of the variable ethnic groups of this region are poorly studied. This review compiled published manuscripts that have reported a list of autoimmune diseases (insulin-dependent diabetes mellitus, systemic lupus erythematosus, myasthenia gravis, rheumatoid arthritis, psoriasis vulgaris, and multiple sclerosis) associated with MHC class I and class II in the populations of the Arabian Peninsula, specifically Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, the United Arab Emirates, and Yemen. Data available was compared with other three ethnic groups, namely Caucasians, Asians, and Africans. The limited data available in the public domain on the association between MHC gene and autoimmune diseases highlight the challenges in the Middle Eastern region.
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Affiliation(s)
- Halima Al Naqbi
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
- Department of Biomedical Engineering, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Aurélie Mawart
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Jawaher Alshamsi
- College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Habiba Al Safar
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
- Department of Biomedical Engineering, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
- College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Guan K Tay
- Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.
- Department of Biomedical Engineering, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.
- College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates.
- Division of Psychiatry, Faculty of Health and Medical Sciences, The University of Western Australia, Crawley, WA, Australia.
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia.
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Hajjej A, Saldhana FL, Dajani R, Almawi WY. HLA-A, -B, -C, -DRB1 and -DQB1 allele and haplotype frequencies and phylogenetic analysis of Bahraini population. Gene 2020; 735:144399. [PMID: 32001374 DOI: 10.1016/j.gene.2020.144399] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 12/21/2019] [Accepted: 01/23/2020] [Indexed: 11/30/2022]
Abstract
The origin of Arab-speaking population is classified according to their geographical location, ethnic background, and historical influx of nearby and distant populations. Data on HLA class I and class II loci in (Arabian Peninsula) Bahraini population are lacking. We analyzed HLA genetic profile of Bahrainis with neighboring communities, and with Levantines, North Africans, Sub-Saharans, Europeans, and Asians, using genetic distances, neighbor-joining dendrograms, correspondence and haplotype analysis. HLA class I and class II genotyping were done by high resolution PCR-SSP in 175 Bahraini subjects. In total, 19 HLA-A, 33 HLA-B, 15 HLA-C, 14 DRB1 and 7 DQB1 alleles were identified. The most common class I alleles were A*02:01:01 (18.3%), A*01:01:01(15.4%), B*35:01:02 (12.9%), C*12:01:01 (15.1%), and C*04:01:01 (14.9%), while DRB1*03:01:01 (18.0%), DQB1*02:01:01 (29.1%), and DQB1*05:01:01 (24.9%) were the most frequent class II alleles. Significant linkage disequilibrium was seen between all HLA loci pairs. DRB1*03:01:01-DQB1*02:01:01 (15.18%) was the most frequent two-locus haplotype. Significant negative Fnd values were observed, indicating balancing selection at studied loci. Bahrainis appear to be related to Western Mediterranean (North Africans, Iberians and French), but relatively distinct from Levantines (Palestinians, Lebanese, and Jordanians) and Sub-Saharans. This indicates limited genetic contribution of Levantine Arabs and Sub-Saharans to the Bahraini gene pool.
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Affiliation(s)
- Abdelhafidh Hajjej
- Department of Immunogenetics, National Blood Transfusion Center, Tunis, Tunisia
| | - F Lisa Saldhana
- Faculte' des Sciences de Tunis, Universite' de Tunis El Manar, Tunis, Tunisia
| | - Rana Dajani
- Department of Biology, Hashemite University, Zarqa, Jordan
| | - Wassim Y Almawi
- Faculte' des Sciences de Tunis, Universite' de Tunis El Manar, Tunis, Tunisia; School of Medicine, Nazarbayev University, Astana, Kazakhstan.
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4
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The influence of Tumor Necrosis Factor-alpha gene polymorphism on oxidative stress in patients with oral precancerous lesions and oral cancer. GENE REPORTS 2019. [DOI: 10.1016/j.genrep.2019.100525] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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5
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Zhong H, Zhao C, Luo S. HLA in myasthenia gravis: From superficial correlation to underlying mechanism. Autoimmun Rev 2019; 18:102349. [DOI: 10.1016/j.autrev.2019.102349] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 03/01/2019] [Indexed: 12/26/2022]
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Jia X, Horinouchi T, Hitomi Y, Shono A, Khor SS, Omae Y, Kojima K, Kawai Y, Nagasaki M, Kaku Y, Okamoto T, Ohwada Y, Ohta K, Okuda Y, Fujimaru R, Hatae K, Kumagai N, Sawanobori E, Nakazato H, Ohtsuka Y, Nakanishi K, Shima Y, Tanaka R, Ashida A, Kamei K, Ishikura K, Nozu K, Tokunaga K, Iijima K. Strong Association of the HLA-DR/DQ Locus with Childhood Steroid-Sensitive Nephrotic Syndrome in the Japanese Population. J Am Soc Nephrol 2018; 29:2189-2199. [PMID: 30012571 DOI: 10.1681/asn.2017080859] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 05/11/2018] [Indexed: 12/26/2022] Open
Abstract
Background Nephrotic syndrome is the most common cause of chronic glomerular disease in children. Most of these patients develop steroid-sensitive nephrotic syndrome (SSNS), but the loci conferring susceptibility to childhood SSNS are mainly unknown.Methods We conducted a genome-wide association study (GWAS) in the Japanese population; 224 patients with childhood SSNS and 419 adult healthy controls were genotyped using the Affymetrix Japonica Array in the discovery stage. Imputation for six HLA genes (HLA-A, -C, -B, -DRB1, -DQB1, and -DPB1) was conducted on the basis of Japanese-specific references. We performed genotyping for HLA-DRB1/-DQB1 using a sequence-specific oligonucleotide-probing method on a Luminex platform. Whole-genome imputation was conducted using a phased reference panel of 2049 healthy Japanese individuals. Replication was performed in an independent Japanese sample set including 216 patients and 719 healthy controls. We genotyped candidate single-nucleotide polymorphisms using the DigiTag2 assay.Results The most significant association was detected in the HLA-DR/DQ region and replicated (rs4642516 [minor allele G], combined Pallelic=7.84×10-23; odds ratio [OR], 0.33; 95% confidence interval [95% CI], 0.26 to 0.41; rs3134996 [minor allele A], combined Pallelic=1.72×10-25; OR, 0.29; 95% CI, 0.23 to 0.37). HLA-DRB1*08:02 (Pc=1.82×10-9; OR, 2.62; 95% CI, 1.94 to 3.54) and HLA-DQB1*06:04 (Pc=2.09×10-12; OR, 0.10; 95% CI, 0.05 to 0.21) were considered primary HLA alleles associated with childhood SSNS. HLA-DRB1*08:02-DQB1*03:02 (Pc=7.01×10-11; OR, 3.60; 95% CI, 2.46 to 5.29) was identified as the most significant genetic susceptibility factor.Conclusions The most significant association with childhood SSNS was detected in the HLA-DR/DQ region. Further HLA allele/haplotype analyses should enhance our understanding of molecular mechanisms underlying SSNS.
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Affiliation(s)
- Xiaoyuan Jia
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Tomoko Horinouchi
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuki Hitomi
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Akemi Shono
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Seik-Soon Khor
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yosuke Omae
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Kaname Kojima
- Department of Integrative Genomics, Tohoku Medical Megabank Organization.,Graduate School of Medicine, and.,Graduate School of Information Sciences, Tohoku University, Sendai, Japan
| | - Yosuke Kawai
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,Department of Integrative Genomics, Tohoku Medical Megabank Organization
| | - Masao Nagasaki
- Department of Integrative Genomics, Tohoku Medical Megabank Organization.,Graduate School of Medicine, and.,Graduate School of Information Sciences, Tohoku University, Sendai, Japan
| | - Yoshitsugu Kaku
- Department of Nephrology, Fukuoka Children's Hospital, Fukuoka, Japan
| | - Takayuki Okamoto
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
| | - Yoko Ohwada
- Department of Pediatrics, Dokkyo Medical University School of Medicine, Tochigi, Japan
| | - Kazuhide Ohta
- Department of Pediatrics, Kanazawa Medical Center, Kanazawa, Japan
| | - Yusuke Okuda
- Department of Pediatrics, Shiga University of Medical Science, Shiga, Japan
| | - Rika Fujimaru
- Department of Pediatrics, Osaka City General Hospital, Osaka, Japan
| | - Ken Hatae
- Department of Pediatrics, Japanese Red Cross Fukuoka Hospital, Fukuoka, Japan
| | - Naonori Kumagai
- Department of Pediatrics, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Emi Sawanobori
- Department of Pediatrics, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Hitoshi Nakazato
- Department of Pediatrics, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Yasufumi Ohtsuka
- Department of Pediatrics, Faculty of Medicine, Saga University, Saga, Japan
| | - Koichi Nakanishi
- Department of Pediatrics, Wakayama Medical University, Wakayama, Japan
| | - Yuko Shima
- Department of Pediatrics, Wakayama Medical University, Wakayama, Japan
| | - Ryojiro Tanaka
- Department of Nephrology, Hyogo Prefectural Kobe Children's Hospital, Kobe, Japan
| | - Akira Ashida
- Department of Pediatrics, Osaka Medical College, Osaka, Japan; and
| | - Koichi Kamei
- Division of Nephrology and Rheumatology, National Center for Child Health and Development, Tokyo, Japan
| | - Kenji Ishikura
- Division of Nephrology and Rheumatology, National Center for Child Health and Development, Tokyo, Japan
| | - Kandai Nozu
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Katsushi Tokunaga
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan;
| | - Kazumoto Iijima
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan;
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Hajjej A, Almawi WY, Arnaiz-Villena A, Hattab L, Hmida S. The genetic heterogeneity of Arab populations as inferred from HLA genes. PLoS One 2018. [PMID: 29522542 PMCID: PMC5844529 DOI: 10.1371/journal.pone.0192269] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
This is the first genetic anthropology study on Arabs in MENA (Middle East and North Africa) region. The present meta-analysis included 100 populations from 36 Arab and non-Arab communities, comprising 16,006 individuals, and evaluates the genetic profile of Arabs using HLA class I (A, B) and class II (DRB1, DQB1) genes. A total of 56 Arab populations comprising 10,283 individuals were selected from several databases, and were compared with 44 Mediterranean, Asian, and sub-Saharan populations. The most frequent alleles in Arabs are A*01, A*02, B*35, B*51, DRB1*03:01, DRB1*07:01, DQB1*02:01, and DQB1*03:01, while DRB1*03:01-DQB1*02:01 and DRB1*07:01-DQB1*02:02 are the most frequent class II haplotypes. Dendrograms, correspondence analyses, genetic distances, and haplotype analysis indicate that Arabs could be stratified into four groups. The first consists of North Africans (Algerians, Tunisians, Moroccans, and Libyans), and the first Arabian Peninsula cluster (Saudis, Kuwaitis, and Yemenis), who appear to be related to Western Mediterraneans, including Iberians; this might be explained for a massive migration into these areas when Sahara underwent a relatively rapid desiccation, starting about 10,000 years BC. The second includes Levantine Arabs (Palestinians, Jordanians, Lebanese, and Syrians), along with Iraqi and Egyptians, who are related to Eastern Mediterraneans. The third comprises Sudanese and Comorians, who tend to cluster with Sub-Saharans. The fourth comprises the second Arabian Peninsula cluster, made up of Omanis, Emiratis, and Bahrainis. It is noteworthy that the two large minorities (Berbers and Kurds) are indigenous (autochthonous), and are not genetically different from "host" and neighboring populations. In conclusion, this study confirmed high genetic heterogeneity among present-day Arabs, and especially those of the Arabian Peninsula.
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Affiliation(s)
- Abdelhafidh Hajjej
- Department of Immunogenetics, National Blood Transfusion Center, Tunis, Tunisia
- * E-mail:
| | - Wassim Y. Almawi
- Department of Medicine, Harvard Medical School, Boston, MA, United States of America
| | - Antonio Arnaiz-Villena
- Department of Immunology, University Complutense, School of Medicine, Madrid Regional Blood Center, Madrid, Spain
| | - Lasmar Hattab
- Department of Medical Analysis, Hospital of Gabes (Ghannouch), Gabes, Tunisia
| | - Slama Hmida
- Department of Immunogenetics, National Blood Transfusion Center, Tunis, Tunisia
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8
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Varade J, Wang N, Lim CK, Zhang T, Zhang Y, Liu X, Piehl F, Matell R, Cao H, Xu X, Hammarström L. Novel genetic loci associated HLA-B*08:01 positive myasthenia gravis. J Autoimmun 2018; 88:43-49. [DOI: 10.1016/j.jaut.2017.10.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 10/02/2017] [Accepted: 10/05/2017] [Indexed: 01/16/2023]
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9
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Luo M, Liu X, Meng H, Xu L, Li Y, Li Z, Liu C, Luo YB, Hu B, Xue Y, Liu Y, Luo Z, Yang H. IFNA-AS1 regulates CD4 + T cell activation in myasthenia gravis though HLA-DRB1. Clin Immunol 2017; 183:121-131. [PMID: 28822831 DOI: 10.1016/j.clim.2017.08.008] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 08/04/2017] [Accepted: 08/10/2017] [Indexed: 12/17/2022]
Abstract
Abnormal CD4+T cell activation is known to play roles in the pathogenesis of myasthenia gravis (MG). However, little is known about the mechanisms underlying the roles of lncRNAs in regulating CD4+ T cell. In this study, we discovered that the lncRNA IFNG-AS1 is abnormally expressed in MG patients associated with quantitative myasthenia gravis (QMG) and the positive anti-AchR Ab levels patients. IFNG-AS1 influenced Th1/Treg cell proliferation and regulated the expression levels of their transcription factors in an experimental autoimmune myasthenia gravis (EAMG)model. IFNG-AS1 could reduce the expression of HLA-DRB and HLA-DOB and they had a negative correlation in MG. Furthermore IFNG-AS1 influenced the expression levels of CD40L and CD4+ T cells activation in MG patient partly depend on effecting the HLA-DRB1 expression. It suggests that IFNG-AS1 may be involved in CD4+T cell-mediated immune responses in MG.
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Affiliation(s)
- Mengchuan Luo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Xiaofang Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Huanyu Meng
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Liqun Xu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yi Li
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zhibin Li
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Chang Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yue-Bei Luo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Bo Hu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yuanyuan Xue
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yu Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zhaohui Luo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.
| | - Huan Yang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China; Neurology Institute of Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.
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Correlation of HLA-DQ and TNF-α gene polymorphisms with ocular myasthenia gravis combined with thyroid-associated ophthalmopathy. Biosci Rep 2017; 37:BSR20160440. [PMID: 28119492 PMCID: PMC5469324 DOI: 10.1042/bsr20160440] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 01/22/2017] [Accepted: 01/24/2017] [Indexed: 02/07/2023] Open
Abstract
The present study aims to explore the correlation of human leucocyte antigen (HLA)-DQ and tumour necrosis factor (TNF)-α gene polymorphisms with ocular myasthenia gravis (OMG) combined with thyroid-associated ophthalmopathy (TAO). From March 2009 to March 2015, 56 OMG patients complicated with TAO (OMG + TAO group), 134 patients diagnosed with OMG only (OMG group) and 236 healthy individuals (control group) were enrolled in the present study. PCR-sequence specific primer (PCR-SSP) was used for HLA-DQ genotyping and PCR-restriction fragment length polymorphism (PCR-RFLP) for TNF-α genotyping. ELISA kit was applied to detect acetylcholine receptor antibody (AchRAb) level and chemiluminescence immunoassay (CLIA) to measure thyroid-associated antibody (T-Ab) level. Logistic regression analysis was carried out to analyse the risk factors for OMG combined with TAO. DQA1*0103 showed lower frequency in the OMG group than in the control group. DQA1*0301 showed increased and DQB1*0601 showed decreased frequency in the OMG + TAO group. DQB1*0501 showed higher frequency in the OMG and OMG + TAO groups than in the control group. Patients carrying TNF-α -863C > A (CA + AA) might confront with greater risks of OMG combined with TAO. Frequency of DQA1*0103/*0301 and DQB1*0501/*0601, and TNF-α -863C > A, -238G > A and -308G > A were associated with the levels of AchRAb and T-Ab. TNF-α -863C > A (CA + AA) and high level of T-Ab were risk factors for OMG combined with TAO. Our results demonstrate that TNF-α -863 polymorphism is possibly correlated with the risk of OMG combined with TAO.
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Hajeer AH, Al Balwi MA, Aytül Uyar F, Alhaidan Y, Alabdulrahman A, Al Abdulkareem I, Al Jumah M. HLA-A, -B, -C, -DRB1 and -DQB1 allele and haplotype frequencies in Saudis using next generation sequencing technique. ACTA ACUST UNITED AC 2014; 82:252-8. [PMID: 24461004 DOI: 10.1111/tan.12200] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2013] [Revised: 08/01/2013] [Accepted: 08/24/2013] [Indexed: 11/30/2022]
Abstract
Next generation sequencing (NGS) is a promising technique that can reveal the entire gene sequences and to the highest possible resolution without any phase ambiguities. We have used this technique to investigate the frequencies of HLA-A, -B, -C, -DRB1 and -DQB1 in a Saudi cohort of healthy individuals. We used NGS using the 454 genome sequence (GS) FLX System and Conexio assign atf 454 software to human leukocyte antigen (HLA) genotype eight class I and class II loci. A total of 158 healthy Saudi adults were analyzed. The most frequently observed allele for HLA-A was HLA-A*02:01:01:01 (13.6%); for HLA-B, HLA-B*50:01:01 (15.8%); for HLA-C, HLA-C*06:02:01:01 (18.7%); for HLA-DRB1, HLA-DRB1*07:01:01:01 (26.6%); and for HLA-DQB1, HLA-DQB1*02:01:01 (20.3%). The most common four loci haplotypes in the Saudi population were HLA-A*24:02:01:01-B*08:01:01-C*07:02:01:01-DRB1*03:01:01:01 and HLA-A*23:01:01-B*50:01:01-C*06:02:01:01-DRB1*07:01:01:01.. We have used a highly informative technique for HLA typing of a Saudi healthy cohort to establish allele and haplotype frequencies. These results should prove useful for population studies, disease associations and future planning of the unrelated bone marrow donor registry.
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Affiliation(s)
- A H Hajeer
- Department of Pathology & Laboratory Medicine, King Abdulaziz Medical City, National Guard Health Affairs, Riyadh, Kingdom of Saudi Arabia; College of Medicine, King Saud bin Abdulaziz University for Health Sciences, National Guard Health Affairs, Riyadh, Kingdom of Saudi Arabia
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12
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Jawdat D, Shubaili A, Gattan M, Sutton P, Al Anazi H, Alanzi A, Hajeer AH. A need to adopt new strategies for organ donation in Saudi Arabia. Prog Transplant 2014; 24:284-7. [PMID: 25193730 DOI: 10.7182/pit2014653] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND HLA matching in kidney transplantation is a major factor in long-term survival of the graft. In Saudi Arabia, most deceased donors are non-Saudi, making it difficult to achieve minimal HLA mismatches between donor and recipient. OBJECTIVE To analyze HLA types of 200 deceased donors and compare them with the Saudi population's HLA types. MATERIALS AND METHODS In a retrospective study analyzing HLA types of the last 398 deceased donors processed in a tertiary hospital in Riyadh, Saudi Arabia, HLA types of all donors were compared with HLA types from a control group of healthy Saudi persons. RESULTS HLA types were significantly different between the deceased donor group and the Saudi population. In all deceased donors, zero mismatches was never achieved. The major differences in HLA types were in HLA-A*02, HLA-B*15, B*40, B*50, HLA-DRB1*14, DRB1*15, and DRB1*04. CONCLUSIONS As most of our deceased donors are non-Saudis, it is difficult to match for HLA-A, HLA-B, and HLA-DR. HLA matching should be attempted nationwide by adopting different strategies, including typing donors centrally and distributing results to all centers, agreeing on a national point system for allocating organs from deceased donors, and making HLA matching a priority, especially for highly sensitized patients.
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Affiliation(s)
- Dunia Jawdat
- King Abdullah International Medical Research Center College of Medicine, King Saud Bin Abdulaziz University for Health Sciences
| | | | - Manal Gattan
- King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Paul Sutton
- King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | | | | | - Ali H Hajeer
- College of Medicine, King Saud Bin Abdulaziz University for Health Sciences King Abdulaziz Medical City, Riyadh, Saudi Arabia
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Samandary S, Kridane-Miledi H, Sandoval JS, Choudhury Z, Langa-Vives F, Spencer D, Chentoufi AA, Lemonnier FA, BenMohamed L. Associations of HLA-A, HLA-B and HLA-C alleles frequency with prevalence of herpes simplex virus infections and diseases across global populations: implication for the development of an universal CD8+ T-cell epitope-based vaccine. Hum Immunol 2014; 75:715-29. [PMID: 24798939 DOI: 10.1016/j.humimm.2014.04.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2013] [Revised: 04/15/2014] [Accepted: 04/15/2014] [Indexed: 02/01/2023]
Abstract
A significant portion of the world's population is infected with herpes simplex virus type 1 and/or type 2 (HSV-1 and/or HSV-2), that cause a wide range of diseases including genital herpes, oro-facial herpes, and the potentially blinding ocular herpes. While the global prevalence and distribution of HSV-1 and HSV-2 infections cannot be exactly established, the general trends indicate that: (i) HSV-1 infections are much more prevalent globally than HSV-2; (ii) over a half billion people worldwide are infected with HSV-2; (iii) the sub-Saharan African populations account for a disproportionate burden of genital herpes infections and diseases; (iv) the dramatic differences in the prevalence of herpes infections between regions of the world appear to be associated with differences in the frequencies of human leukocyte antigen (HLA) alleles. The present report: (i) analyzes the prevalence of HSV-1 and HSV-2 infections across various regions of the world; (ii) analyzes potential associations of common HLA-A, HLA-B and HLA-C alleles with the prevalence of HSV-1 and HSV-2 infections in the Caucasoid, Oriental, Hispanic and Black major populations; and (iii) discusses how our recently developed HLA-A, HLA-B, and HLA-C transgenic/H-2 class I null mice will help validate HLA/herpes prevalence associations. Overall, high prevalence of herpes infection and disease appears to be associated with high frequency of HLA-A(∗)24, HLA-B(∗)27, HLA-B(∗)53 and HLA-B(∗)58 alleles. In contrast, low prevalence of herpes infection and disease appears to be associated with high frequency of HLA-B(∗)44 allele. The finding will aid in developing a T-cell epitope-based universal herpes vaccine and immunotherapy.
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Affiliation(s)
- Sarah Samandary
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, CA 92697, USA
| | - Hédia Kridane-Miledi
- UNITE INSERM 1016, Institut Cochin, Hôpital Saint-Vincent-de-Paul, 82, Avenue Denfert-Rochereau, 75674 Paris Cedex 14, France
| | - Jacqueline S Sandoval
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, CA 92697, USA
| | - Zareen Choudhury
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, CA 92697, USA
| | - Francina Langa-Vives
- Plate-Forme Technologique, Centre d'Ingénierie Génétique Murine, Département de Biologie du Développement, Institut Pasteur, 75015 Paris, France
| | - Doran Spencer
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, CA 92697, USA
| | - Aziz A Chentoufi
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, CA 92697, USA
| | - François A Lemonnier
- UNITE INSERM 1016, Institut Cochin, Hôpital Saint-Vincent-de-Paul, 82, Avenue Denfert-Rochereau, 75674 Paris Cedex 14, France
| | - Lbachir BenMohamed
- Laboratory of Cellular and Molecular Immunology, Gavin Herbert Eye Institute, School of Medicine, University of California Irvine, Irvine, CA 92697, USA; Department of Molecular Biology & Biochemistry, University of California Irvine, Irvine, CA 92697, USA; Institute for Immunology, University of California Irvine, Irvine, CA 92697, USA.
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Jawdat D, Al-Hamad B, Al-Jumah M, Hajeer A. HLA-B50 polymorphism in the Saudi population. Int J Immunogenet 2013; 41:95-7. [PMID: 24256064 DOI: 10.1111/iji.12096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Revised: 09/05/2013] [Accepted: 09/22/2013] [Indexed: 11/27/2022]
Abstract
The HLA-B50 serologic family is very frequent in people of Arabic origin. In Saudi Arabia, HLA-B50 is the most frequent HLA-B allele. The aim of this study was to investigate the distribution of HLA-B50 alleles in healthy Saudi individuals. A total of 162 healthy Saudi individuals were selected based on low-resolution HLA typing. DNA samples were typed by sequence-based typing method for exons 2, 3 and 4 of the HLA-B locus (Genome Diagnostics B.V.). The HLA-B*50 alleles were analysed using SBT engine software. HLA-B*50:01:01 was found in 161 of 162 individuals (99.4%), while HLA-B*50:09 was found in one individual (0.6%). HLA-B*50:01:01 is the most common HLA-B50 allele in Saudi Arabia.
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Affiliation(s)
- D Jawdat
- King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia; College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
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Zagoriti Z, Kambouris ME, Patrinos GP, Tzartos SJ, Poulas K. Recent advances in genetic predisposition of myasthenia gravis. BIOMED RESEARCH INTERNATIONAL 2013; 2013:404053. [PMID: 24294607 PMCID: PMC3835684 DOI: 10.1155/2013/404053] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/09/2013] [Accepted: 09/11/2013] [Indexed: 01/04/2023]
Abstract
Myasthenia gravis (MG) is an autoimmune disease mediated by the presence of autoantibodies that bind to components of the neuromuscular junction, causing the symptoms of muscular weakness and fatigability. Like most autoimmune disorders, MG is a multifactorial, noninherited disease, though with an established genetic constituent. The heterogeneity observed in MG perplexes genetic analysis even more, as it occurs in various levels, including diverse autoantigens, thymus histopathology, and age at onset. In this context of distinct subgroups, a plethora of association studies, discussed in this review, have assessed the involvement of various HLA and non-HLA related loci in MG susceptibility, over the past five years. As expected, certain HLA alleles were strongly associated with MG. Many of the non-HLA genes, such as PTPN22 and CTLA-4, have been previously studied in MG and other autoimmune diseases and their association with MG has been reevaluated in more cohesive groups of patients. Moreover, novel risk or protective loci have been revealed, as in the case of TNIP1 and FOXP3. Although the majority of these results have been derived from candidate gene studies, the focal point of all recent genetic studies is the first genome-wide association study (GWAS) conducted on early-onset MG patients.
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Affiliation(s)
- Zoi Zagoriti
- Laboratory of Molecular Biology and Immunology, Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Rio, Patras, Greece
| | - Manousos E. Kambouris
- Laboratory of Molecular Biology and Immunology, Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Rio, Patras, Greece
| | - George P. Patrinos
- Laboratory of Molecular Biology and Immunology, Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Rio, Patras, Greece
| | - Socrates J. Tzartos
- Laboratory of Molecular Biology and Immunology, Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Rio, Patras, Greece
- Department of Biochemistry, Hellenic Pasteur Institute, 127 Vas. Sofias Avenue, 11521 Athens, Greece
| | - Konstantinos Poulas
- Laboratory of Molecular Biology and Immunology, Department of Pharmacy, School of Health Sciences, University of Patras, 26504 Rio, Patras, Greece
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Sylvia T, Samuel M, Luis G, Zuzet M. No association of the HLA-DQ alleles with myasthenia gravis in Cuban patients. Hum Immunol 2013; 74:983-5. [PMID: 23628390 DOI: 10.1016/j.humimm.2013.04.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2012] [Revised: 03/08/2013] [Accepted: 04/10/2013] [Indexed: 11/25/2022]
Abstract
Myasthenia gravis (MG) is a neuromuscular disorder characterized by fatigability and weakness of striated muscles. Its association with HLA molecules is well known and varies depending on age, sex and the ethnicity of the patients. A case-control study was performed in 61 Cuban patients and 81 controls using polymerase chain reaction and sequence-specific primers of the HLA-DQA1/B1 alleles. The distribution of the HLA-DQ alleles individually and in a simple haplotype between patients and controls shows no statistically significance differences. This result could be due to the heterogeneity and ethnic admixture existing in Cuban population. These findings indicate that the association between a disease and a particular genetic region cannot be explained merely by similarities in the genetic background but involve environmental and immunological factors.
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Affiliation(s)
- Torres Sylvia
- Department of Molecular Genetic, Hermanos Ameijeiras Hospital, La Havana, Cuba.
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Al-Motwee S, Jawdat D, Jehani GS, Anazi H, Shubaili A, Sutton P, Uyar AF, Hajeer AH. Association of HLA-DRB1*15 and HLADQB1*06 with SLE in Saudis. Ann Saudi Med 2013; 33:229-34. [PMID: 23793423 PMCID: PMC6078530 DOI: 10.5144/0256-4947.2013.229] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by humoral autoimmunity. The etiology of SLE is thought to be multifactorial including environmental, hormonal, and genetic factors. The human leukocyte antigen (HLA) has extensively been associated with the susceptibility to SLE; however, the association is heterogeneous among different ethnic groups. The aim of this study was to determine the association of HLA-A, HLA-B, HLA-DRB1, and HLA-DQB1 with SLE susceptibility in the Saudi population. DESIGN AND SETTINGS A total of 86 consecutive SLE patients attending the rheumatology clinic at King Abdulaziz Medical City, Riyadh, were recruited for this study. METHODS HLA types were determined by the polymerase chain reaction sequence-specific oligonucleotide (PCR-SSP) method in 86 patients and 356 control subjects. RESULTS The following HLA alleles were found to be positively associated with SLE: HLA-A*29 (OR=2.70; 95% CI=1.03-7.08; P=.0035), HLA-B*51 (OR=1.81; 95% CI=1.17-2.79; P=.0066), HLA-DRB1*15 (OR=1.45; 95% CI=0.98-2.29; P=.063), and HLA-DQB1*06 (OR=1.67; 95% CI=1.19-2.36; P=.0032), whereas HLA-DRB1*16 was negatively associated with the disease (OR=0.18; 95% CI=0.02-1.3; P=.055). HLA-DRB1*15 haplotypes were significantly associated with SLE (OR=2.01, 95% CI=1.20-3.68, P=.008); this was mainly due to the HLADRB1*15-DQB1*06 association. CONCLUSIONS Our data suggest an association between MHC class I and class II (HLA-A*29, HLA-B*51, HLA-DRB1*15, and HLA-DQB1*06) and susceptibility to SLE in the Saudi population. HLA-DRB1*15-DQB1*06 haplotype showed the highest risk factor for the disease that is similar to what was seen in the African American patients, suggesting shared susceptibility genetic factors among these ethnic groups.
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Affiliation(s)
- Saleh Al-Motwee
- Pathology, King Abdulaziz Medical City, Riyadh, Saudi Arabia.
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18
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Association of HLA-DR/DQ polymorphism with myasthenia gravis in Tunisian patients. Clin Neurol Neurosurg 2013; 115:32-6. [DOI: 10.1016/j.clineuro.2012.04.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2011] [Revised: 01/16/2012] [Accepted: 04/01/2012] [Indexed: 11/17/2022]
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19
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Elbjeirami WM, Abdel-Rahman F, Hussein AA. Probability of finding an HLA-matched donor in immediate and extended families: the Jordanian experience. Biol Blood Marrow Transplant 2012; 19:221-6. [PMID: 23025986 DOI: 10.1016/j.bbmt.2012.09.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Accepted: 09/15/2012] [Indexed: 11/30/2022]
Abstract
Information regarding the probability of finding HLA-matched related donor for a patient awaiting hematopoietic stem cell transplantation (HSCT) in developing countries is scanty. We performed a retrospective review of HLA genotypes and related data for 1254 consecutive patients and their families at King Hussein Cancer Center in Amman, Jordan, between 2003 and 2011 to evaluate the chance of finding HLA-matched donor. The median family size was 5 for all patients in the study (range, 1-14), and the average number of donors was 1.4 ± 0.9 for pediatric patients and 1.6 ± 0.9 for adults. Overall, the probability of finding an HLA-matched related donor at our center was 65.5% (60.6% in pediatric patients and 74% in adults). Of the total identified donors, 18% were nonsibling donors after an immediate and/or extended family search in the pediatric group, and 6% were nonsibling donors in the adult group. Overall, 13% of donors were nonsibling donors. We conclude that the probability of finding a matched related donor for HSCT in Jordan is much higher than that reported in Western countries and Asia (65% versus 25%). We expect a similar trend in other developing and Arab countries. We recommend integrating an extended family search before or concomitantly with an unrelated donor search.
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Affiliation(s)
- Wafa M Elbjeirami
- Department of Cellular Therapy and Applied Genomics, King Hussein Cancer Center, Amman, Jordan
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