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Kizawa T, Yoto Y, Mizukami M, Tsugawa T, Takeuchi T, Kamasaki H, Ishii-Osai Y, Yamashita T, Nagai K, Hori T, Tsutsumi H. A case report of cutaneous polyarteritis nodosa in siblings. Mod Rheumatol 2016; 28:1049-1052. [PMID: 27299947 DOI: 10.1080/14397595.2016.1189139] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Cutaneous polyarteritis nodosa (CPAN) is characterized by a necrotizing vasculitis of small and medium-sized arteries in the skin, which can be associated with fever, arthralgia, myalgia, and neuropathy, but, unlike polyarteritis nodosa (PAN), there is no visceral involvement. CPAN is rare in childhood. We report two siblings who developed CPAN during childhood. Interestingly, both had Mediterranean fever gene (MEFV) mutation, i.e. heterozygous E148Q. They also shared HLA-A24, -DR15 alleles. Simultaneous occurrence of MEFV mutation and HLA alleles with CPAN has never been reported in Japan. These cases could provide some hereditary clue for the development of CPAN.
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Affiliation(s)
- Toshitaka Kizawa
- a Department of Pediatrics , JCHO Sapporo Hokushin Hospital , Sapporo , Japan.,b Department of Pediatrics and
| | | | | | | | | | | | - Yasue Ishii-Osai
- c Department of Dermatology , Sapporo Medical University School of Medicine , Sapporo , Japan , and
| | - Toshiharu Yamashita
- c Department of Dermatology , Sapporo Medical University School of Medicine , Sapporo , Japan , and
| | - Kazushige Nagai
- d Department of Pediatrics , Takikawa Municipal Hospital , Takikawa , Japan
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52
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Sulcebe G, Shyti E. HLA-A, -B, -C, -DRB1 and -DQB1 allele and haplotype frequencies in a population of 432 healthy unrelated individuals from Albania. Hum Immunol 2016; 77:620-621. [PMID: 27262454 DOI: 10.1016/j.humimm.2016.06.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 05/28/2016] [Accepted: 06/01/2016] [Indexed: 10/21/2022]
Abstract
This paper reports the HLA-A, -B, -C, -DRB1 and -DQB1 allele and haplotype polymorphism in a population of 432 healthy individuals from Albania. First-field HLA genotyping was performed by polymerase chain reaction sequence-specific priming and/or oligonucleotide methods. The data were analyzed statistically using gene counting and Arlequin software packages. No deviation from Hardy Weinberg Equilibrium was detected at any of the loci studied. The HLA genotypic data of the population sample reported here are available publicly in the Allele Frequencies Net Database and they can serve as a reference database for further HLA-based population genetics studies including the Albanian population.
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Affiliation(s)
- Genc Sulcebe
- Laboratory of Immunology and Histocompatibility, University of Medicine, Tirana and University Hospital Center "Mother Teresa", Tirana, Albania.
| | - Erkena Shyti
- Laboratory of Immunology and Histocompatibility, University of Medicine, Tirana and University Hospital Center "Mother Teresa", Tirana, Albania
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53
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Bettencourt BF, Santos MR, Pereira J, Amaro B, Fialho R, Meneses R, Couto AR, Bruges Armas J. HLA-A, -B, -C, -DQA1, -DQB1, -DRB1, -E, -F and -G genotyping of 130 individuals from Terceira Island, Azores, Portugal. Hum Immunol 2016; 77:445-6. [PMID: 27041245 DOI: 10.1016/j.humimm.2016.03.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 03/24/2016] [Accepted: 03/30/2016] [Indexed: 11/16/2022]
Abstract
One hundred and thirty unrelated Azorean individuals were randomly selected to study the frequencies of high-resolution HLA alleles and haplotypes in the Azorean (Terceira) population. HLA-A, -B, -Cw, -DRB1, -DQA1 and -DQB1 high-resolution genotyping was performed by polymerase chain reaction using commercial kits. HLA-E, -F and -G alleles, were genotyped by sequence-based typing. All loci were in HWE, showing no locus-level deviations. The genotype data is available in the Allele Frequencies Net Database under the population name "Azores Terceira Island" and the identifier (AFND112579).
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Affiliation(s)
- Bruno Filipe Bettencourt
- SEEBMO, Hospital de Santo Espirito da ilha Terceira, Angra do Heroísmo, Portugal; Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; Genetics & Arthritis Research Group (GARG), c IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal.
| | - Margarida Rodrigues Santos
- SEEBMO, Hospital de Santo Espirito da ilha Terceira, Angra do Heroísmo, Portugal; Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; Genetics & Arthritis Research Group (GARG), c IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
| | - Joaquim Pereira
- SEEBMO, Hospital de Santo Espirito da ilha Terceira, Angra do Heroísmo, Portugal
| | - Bruna Amaro
- SEEBMO, Hospital de Santo Espirito da ilha Terceira, Angra do Heroísmo, Portugal; Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; Genetics & Arthritis Research Group (GARG), c IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
| | - Raquel Fialho
- SEEBMO, Hospital de Santo Espirito da ilha Terceira, Angra do Heroísmo, Portugal
| | - Raquel Meneses
- SEEBMO, Hospital de Santo Espirito da ilha Terceira, Angra do Heroísmo, Portugal; Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; Genetics & Arthritis Research Group (GARG), c IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
| | - Ana Rita Couto
- SEEBMO, Hospital de Santo Espirito da ilha Terceira, Angra do Heroísmo, Portugal; Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; Genetics & Arthritis Research Group (GARG), c IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
| | - Jácome Bruges Armas
- SEEBMO, Hospital de Santo Espirito da ilha Terceira, Angra do Heroísmo, Portugal; Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal; Genetics & Arthritis Research Group (GARG), c IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
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Deretzi G, Gavalas E, Boziki M, Tsiptsios D, Polyzos SA, Venizelos I, Zavos C, Koutlas E, Tsiptsios I, Katsinelos P, Kountouras J. Impact of Helicobacter pylori on multiple sclerosis-related clinically isolated syndrome. Acta Neurol Scand 2016; 133:268-75. [PMID: 26079721 DOI: 10.1111/ane.12453] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/26/2015] [Indexed: 12/11/2022]
Abstract
OBJECTIVES There are no data regarding the relationship between Helicobacter pylori infection (Hp-I) and clinically isolated syndrome (CIS) suggestive of multiple sclerosis. The purpose of this pilot study was to investigate the association between active Hp-I, confirmed by histology, and CIS and to evaluate the impact of Hp eradication on the CIS clinical course. MATERIAL AND METHODS We conducted a study on 48 patients with CIS and 20 matched controls. At baseline, apart from histology, serum anti-Hp-specific IgG titer, inflammatory mediators, and HLA-A, HLA-B, HLA-DR genetic polymorphisms were estimated. Hp-positive patients received standard triple eradication regimen, and all patients were followed up for 2 years. RESULTS The prevalence of Hp-I was significantly higher in patients with CIS (43/48, 89.6%) than in control (10/20, 50%) (P < 0.001, OR: 8.6, 95% CI: 2.4-30.8). When compared with controls, patients with CIS also showed significantly higher serum anti-Hp IgG titer and HLA-A26, HLA-A30, and HLA-B57 frequencies. Hp-positive patients also showed higher serum concentrations of inflammatory cytokines and homocysteine. At 2-year clinical endpoint, in the subgroup of CIS patients with successful Hp eradication, the number of patients who presented with a second episode was significantly lower accompanied by significant improvement in mean Expanded Disability Status Scale score. CONCLUSIONS Hp-I seems more frequent in a Greek CIS cohort and its eradication might delay CIS progression, suggesting a possible link between Hp-I and CIS.
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Affiliation(s)
- G. Deretzi
- Multiple Sclerosis Unit; Department of Neurology; “Papageorgiou” Hospital; Thessaloniki Greece
| | - E. Gavalas
- Department of Medicine; Second Medical Clinic; Aristotle University of Thessaloniki; Ippokration Hospital; Thessaloniki Greece
| | - M. Boziki
- 2nd Department of Neurology; AHEPA University Hospital; Aristotle University of Thessaloniki; Thessaloniki Greece
| | - D. Tsiptsios
- Multiple Sclerosis Unit; Department of Neurology; “Papageorgiou” Hospital; Thessaloniki Greece
| | - S. A. Polyzos
- Department of Medicine; Second Medical Clinic; Aristotle University of Thessaloniki; Ippokration Hospital; Thessaloniki Greece
| | - I. Venizelos
- Department of Medicine; Second Medical Clinic; Aristotle University of Thessaloniki; Ippokration Hospital; Thessaloniki Greece
| | - C. Zavos
- Department of Medicine; Second Medical Clinic; Aristotle University of Thessaloniki; Ippokration Hospital; Thessaloniki Greece
| | - E. Koutlas
- Multiple Sclerosis Unit; Department of Neurology; “Papageorgiou” Hospital; Thessaloniki Greece
| | - I. Tsiptsios
- Multiple Sclerosis Unit; Department of Neurology; “Papageorgiou” Hospital; Thessaloniki Greece
| | - P. Katsinelos
- Department of Medicine; Second Medical Clinic; Aristotle University of Thessaloniki; Ippokration Hospital; Thessaloniki Greece
| | - J. Kountouras
- Department of Medicine; Second Medical Clinic; Aristotle University of Thessaloniki; Ippokration Hospital; Thessaloniki Greece
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Kulkarni D, Song K, Briley L, King K, Dabrowski C, Mookerjee B, Legos J, Spraggs C. Pyrexia in dabrafenib-treated melanoma patients is not associated with common genetic variation or HLA polymorphisms. Pharmacogenomics 2016; 17:459-62. [PMID: 27023328 DOI: 10.2217/pgs.16.4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AIM Pyrexia is a common adverse event (AE) on dabrafenib treatment (monotherapy or combination with trametinib). Since germline SNPs and HLA alleles are implicated in drug-induced AEs, this study investigated their association with pyrexia. PATIENTS & METHODS 1006 melanoma subjects from five dabrafenib-trametinib clinical studies underwent genotyping for genome-wide SNPs, which enabled imputation of 150 HLA alleles. SNP/HLA allele frequencies were compared between pyrexia cases (n = 218) and controls (n = 361) out of the 1006 subjects by meta-analysis. RESULTS This analysis had adequate power to detect association of common SNPs or HLA alleles with moderate to large effects on pyrexia (odds ratio >6), but no significant association was found. CONCLUSION The study suggests that common genetic variation or HLA polymorphisms do not contribute substantially to dabrafenib-induced pyrexia.
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Affiliation(s)
- Diptee Kulkarni
- GlaxoSmithKline Research & Development, Philadelphia, PA, USA
| | - Kijoung Song
- GlaxoSmithKline Research & Development, Philadelphia, PA, USA
| | - Linda Briley
- PAREXEL International, Durham, NC, USA (previously employed by GSK, Durham, NC, USA; work performed on this publication done while employed by GSK)
| | - Karen King
- PAREXEL International, Durham, NC, USA (previously employed by GSK, Durham, NC, USA; work performed on this publication done while employed by GSK)
| | - Christine Dabrowski
- Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA (previously employed by GSK, Philadelphia, USA; work performed on this publication done while employed by GSK)
| | - Bijoyesh Mookerjee
- Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA (previously employed by GSK, Philadelphia, USA; work performed on this publication done while employed by GSK)
| | - Jeff Legos
- Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA (previously employed by GSK, Philadelphia, USA; work performed on this publication done while employed by GSK)
| | - Colin Spraggs
- GlaxoSmithKline Research & Development, Stevenage, Hertfordshire, UK
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56
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Zajacova M, Kotrbova-Kozak A, Cerna M. HLA-DRB1, -DQA1 and -DQB1 genotyping of 180 Czech individuals from the Czech Republic pop 3. Hum Immunol 2016; 77:365-6. [PMID: 26867812 DOI: 10.1016/j.humimm.2016.02.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 02/04/2016] [Accepted: 02/04/2016] [Indexed: 10/22/2022]
Abstract
One hundred and eighty Czech individuals from the Czech Republic pop 3 were genotyped at the HLA-DRB1, -DQA1 and -DQB1 loci using sequence-specific primers PCR methods. HLA-DRB1, -DQA1 and -DQB1 genotypes are consistent with expected Hardy-Weinberg (HW) proportions. These genotype data are available in the Allele Frequencies Net Database under identifier AFND.
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Affiliation(s)
- Marta Zajacova
- Dept. of General Biology and Genetics, Third Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
| | - Anna Kotrbova-Kozak
- Dept. of General Biology and Genetics, Third Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
| | - Marie Cerna
- Dept. of General Biology and Genetics, Third Faculty of Medicine, Charles University in Prague, Prague, Czech Republic.
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57
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Shimokawa PT, Targa LS, Yamamoto L, Rodrigues JC, Kanunfre KA, Okay TS. HLA-DQA1/B1 alleles as putative susceptibility markers in congenital toxoplasmosis. Virulence 2016; 7:456-64. [PMID: 26856406 DOI: 10.1080/21505594.2016.1150401] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Host and parasite genotypes are among the factors associated with congenital toxoplasmosis pathogenesis. As HLA class II molecules play a key role in the immune system regulation, the aim of this study was to investigate whether HLA-DQA1/B1 alleles are associated with susceptibility or protection to congenital toxoplasmosis. One hundred and twenty-two fetuses with and 103 without toxoplasmosis were studied. The two study groups were comparable according to a number of socio-demographic and genetic variables. HLA alleles were typed by PCR-SSP. In the HLA-DQA1 region, the allele frequencies showed that *01:03 and *03:02 alleles could confer susceptibility (OR= 3.06, p = 0.0002 and OR= 9.60, p= 0.0001, respectively) as they were more frequent among infected fetuses. Regarding the HLA-DQB1 region, the *05:04 allele could confer susceptibility (OR = 6.95, p < 0.0001). Of the 122 infected fetuses, 10 presented susceptibility haplotypes contrasting with only one in the non-infected group. This difference was not statistically significant after correction for multiple comparison (OR = 9.37, p=0.011). In the casuistic, there were two severely damaged fetuses with high parasite loads determined in amniotic fluid samples and HLA-DQA1 susceptibility alleles. In the present study, a discriminatory potential of HLA-DQA1/B1 alleles to identify susceptibility to congenital toxoplasmosis and the most severe cases has been shown.
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Affiliation(s)
- Paulo Tadashi Shimokawa
- a Laboratory of Seroepidemiology and Immunobiology, Institute of Tropical Medicine, University of São Paulo , São Paulo , Brazil
| | - Lília Spaleta Targa
- a Laboratory of Seroepidemiology and Immunobiology, Institute of Tropical Medicine, University of São Paulo , São Paulo , Brazil
| | - Lidia Yamamoto
- a Laboratory of Seroepidemiology and Immunobiology, Institute of Tropical Medicine, University of São Paulo , São Paulo , Brazil
| | - Jonatas Cristian Rodrigues
- a Laboratory of Seroepidemiology and Immunobiology, Institute of Tropical Medicine, University of São Paulo , São Paulo , Brazil.,b LIM 48- Laboratory of Immunology, Department of Infectious and Parasitic Diseases, School of Medicine, University of São Paulo , São Paulo , Brazil
| | - Kelly Aparecida Kanunfre
- a Laboratory of Seroepidemiology and Immunobiology, Institute of Tropical Medicine, University of São Paulo , São Paulo , Brazil.,b LIM 48- Laboratory of Immunology, Department of Infectious and Parasitic Diseases, School of Medicine, University of São Paulo , São Paulo , Brazil
| | - Thelma Suely Okay
- a Laboratory of Seroepidemiology and Immunobiology, Institute of Tropical Medicine, University of São Paulo , São Paulo , Brazil
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Margolis DJ, Mitra N, Kim B, Gupta J, Hoffstad OJ, Papadopoulos M, Wubbenhorst B, Nathanson KL, Duke JL, Monos DS, Kamoun M. Association of HLA-DRB1 genetic variants with the persistence of atopic dermatitis. Hum Immunol 2015; 76:571-7. [PMID: 26307177 PMCID: PMC4593755 DOI: 10.1016/j.humimm.2015.08.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Revised: 04/27/2015] [Accepted: 08/21/2015] [Indexed: 10/23/2022]
Abstract
Atopic dermatitis (AD) is a waxing and waning illness of childhood that is likely caused by interactions between an altered skin barrier and immune dysregulation. The goal of our study was to evaluate the association of DRB1 genetic variants and the persistence of AD using whole exome sequencing and high resolution typing. DRB1 was interrogated based on previous reports that utilized high throughput techniques. We evaluated an ongoing nation-wide long-term cohort of children with AD in which patients are asked every 6months about their medication use and their AD symptoms. In total, 87 African-American and 50 European-American children were evaluated. Genetic association analysis was performed using a software tool focusing on amino acid variable positions shared by HLA-DRB1 alleles covering the antigen presenting domain. Amino acid variations at position 9 (pocket 9), position 26, and position 78 (pocket 4) were marginally associated with the prevalence of AD. However, the odds ratio was 0.30 (0.14, 0.68; p=0.003) for residue 78, 0.27 (0.10, 0.69; p=0.006) for residue 26 and not significant for residue 9 with respect to the persistence of AD. In conclusion, amino acid variations at peptide-binding pockets of HLA-DRB1 were associated with the persistence of AD in African-American children.
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Affiliation(s)
- David J Margolis
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States; Department of Dermatology, University of Pennsylvania, Philadelphia, PA, United States; Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, PA, United States.
| | - Nandita Mitra
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States; Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, PA, United States
| | - Brian Kim
- Division of Dermatology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, United States; Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, United States
| | - Jayanta Gupta
- Division of Biostatistics and Epidemiology, Department of Biomedical Sciences, Texas Tech University Health Sciences Center, El Paso, TX, United States
| | - Ole J Hoffstad
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States; Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, PA, United States
| | - Maryte Papadopoulos
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States; Department of Dermatology, University of Pennsylvania, Philadelphia, PA, United States
| | - Bradley Wubbenhorst
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States; Division of Translational Medicine and Human Genetics, Department of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Katherine L Nathanson
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States; Division of Translational Medicine and Human Genetics, Department of Medicine, University of Pennsylvania, Philadelphia, PA, United States; Abramson Cancer Center, Hospital of the University of Pennsylvania, Philadelphia, PA, United States
| | - Jamie L Duke
- Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Dimitri S Monos
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States; Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, United States; Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Malek Kamoun
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States; Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, United States
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Meuleman T, Lashley LELO, Dekkers OM, van Lith JMM, Claas FHJ, Bloemenkamp KWM. HLA associations and HLA sharing in recurrent miscarriage: A systematic review and meta-analysis. Hum Immunol 2015; 76:362-73. [PMID: 25700963 DOI: 10.1016/j.humimm.2015.02.004] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Accepted: 02/10/2015] [Indexed: 10/24/2022]
Abstract
PROBLEM The aim of this meta-analysis was to evaluate whether specific maternal HLA alleles and HLA sharing of couples are associated with the occurrence of recurrent miscarriage (RM). METHOD OF STUDY A systematic literature search was performed for studies that evaluated the association between HLA alleles, HLA sharing and RM. RM was defined as three or more consecutive unexplained miscarriages and a control group was included of women with at least one live birth and no miscarriages in their history. Meta-analyses were performed and the pooled odds ratio (OR) was calculated. RESULTS We included 41 studies. Selection bias was present in 40 studies and information bias in all studies. Meta-analyses showed an increased risk of RM in mothers carrying a HLA-DRB1*4 (OR 1.41, 95% CI 1.05-1.90), HLA-DRB1*15 (OR 1.57, 95% CI 1.15-2.14), or a HLA-E*01:01 allele (OR 1.47, 95% CI 0.20-1.81), and a decreased risk with HLA-DRB1*13 (OR 0.63, 95% CI 0.45-0.89) or HLA-DRB1*14 (OR 0.54, 95% CI 0.31-0.94). Pooling results for HLA sharing showed that HLA-B sharing (OR 1.39, 95% CI 1.11-1.75) and HLA-DR sharing (OR 1.57, 95% CI 1.10-1.25) were both associated with the occurrence of RM. CONCLUSION Although the present systematic review and meta-analysis demonstrates that specific HLA alleles and HLA sharing are associated with RM, a high degree of bias was present and therefore observed results should be interpreted carefully.
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Affiliation(s)
- Tess Meuleman
- Department of Obstetrics, Leiden University Medical Centre, 2300 RC Leiden, The Netherlands.
| | - Lisa E L O Lashley
- Department of Obstetrics, Leiden University Medical Centre, 2300 RC Leiden, The Netherlands
| | - Olaf M Dekkers
- Department of Clinical Epidemiology, Leiden University Medical Centre, 2300 RC Leiden, The Netherlands
| | - Jan M M van Lith
- Department of Obstetrics, Leiden University Medical Centre, 2300 RC Leiden, The Netherlands
| | - Frans H J Claas
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Centre, 2300 RC Leiden, The Netherlands
| | - Kitty W M Bloemenkamp
- Department of Obstetrics, Leiden University Medical Centre, 2300 RC Leiden, The Netherlands
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Pimentel-Santos FM, Matos M, Ligeiro D, Mourão AF, Ribeiro C, Costa J, Santos H, Barcelos A, Pinto P, Cruz M, Sousa E, Santos RA, Fonseca JE, Trindade H, Guedes-Pinto H, Branco JC. HLA alleles and HLA-B27 haplotypes associated with susceptibility and severity of ankylosing spondylitis in a Portuguese population. Tissue Antigens 2013; 82:374-9. [PMID: 24498993 DOI: 10.1111/tan.12238] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2013] [Revised: 09/11/2013] [Accepted: 10/09/2013] [Indexed: 12/19/2022]
Abstract
Human leukocyte antigen (HLA)-B27 is the mostly known major histocompatibility complex (MHC) gene associated with ankylosing spondylitis (AS). Nonetheless, there is substantial evidence that other MHC genes appear to be associated with the disease, although it has not yet been established whether these associations are driven by direct associations or by linkage disequilibrium (LD) mechanisms. We aimed to investigate the contributions of HLA class I and II alleles and B27-haplotypes for AS in a case-control study. A total of 188 HLA-B27 AS cases and 189 HLA-B27 healthy controls were selected and typed for HLA class I and II by the Luminex polymerase chain reaction-sequence specific oligonucleotide probe (PCR-SSOP) method. Allelic and haplotypic distributions were estimated by maximum likelihood method using Arlequin v3.11 and statistical analysis were performed by Stata10.1. No associations were found between non-HLA-B27 loci and AS susceptibility, but several associations were observed for phenotypic features of the disease. DRB1*08 was identified as a risk factor for uveitis and DQB1*04 seems to provide protection for AS severity (functional, metrological and radiological indexes). A*02/B27/C*02/DRB1*01/DQB1*05 [P<0.0001; odds ratio (OR) = 39.06; 95% confidence interval (CI) (2.34-651)] is the only haplotype that seems to confer susceptibility to AS. Moreover, the haplotype A*02/B27/C*01/DRB1*08/DQB1*04 seems to provide protection for disease functional and radiological repercussions. Our findings are compatible with the hypothesis that other genes within the HLA region besides HLA-B27 might play some role in AS susceptibility and severity.
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Affiliation(s)
- F M Pimentel-Santos
- CEDOC, Faculdade de Ciências Médicas da Universidade Nova de Lisboa, Lisbon, Portugal; Centro Hospitalar Lisboa Ocidental (CHLO), Hospital de Egas Moniz, EPE, Lisbon, Portugal
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Pergantou H, Varela I, Moraloglou O, Economou M, Spanou K, Kapsimali Z, Constantinidou N, Platokouki H. Impact of HLA alleles and cytokine polymorphisms on inhibitors development in children with severe haemophilia A. Haemophilia 2013; 19:706-10. [PMID: 23607306 DOI: 10.1111/hae.12168] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/02/2013] [Indexed: 11/30/2022]
Abstract
Human Leucocyte Antigen (HLA) alleles, cytokine polymorphisms and the type of factor VIII (FVIII) gene mutation are among predisposing factors for inhibitors (inh) development in children with severe haemophilia A (HA). The aim was to investigate the correlations among (i) FVIII gene intron-22 inversion, (ii) HLA alleles and haplotypes and (iii) certain cytokine polymorphisms, with the risk for FVIII inhibitors development in 52 Greek severe HA children, exclusively treated with recombinant concentrates. We performed Long-Range PCR for detection of intron-22 inversion and PCR-SSP, PCR-SSO for genotyping of HLA-A, B, C, DRB1, DQB1 alleles and also for cytokine polymorphisms of TNF-α, TGF-β1, IL-10, IL-6 and IFN-γ. Chi-squared test and Fischer's exact test were used for statistical analysis. A total of 28 children had developed inhibitors (Group I), 71.4% high responding, while 24 had not (Group II). No statistically increased intron-22 inversion prevalence was found in Group I compared with Group II (P = 0.5). Comparison of HLA allele frequencies between the two groups showed statistically significant differences in the following genotypes (i) promoting inhibitors development: DRB1*01(P = 0.014), DRB1*01:01(P = 0.011) and DQB1*05:01 (P = 0.005) and (ii) possibly protecting from inhibitors development: DRB1*11 (P = 0.011), DRB1*11:01 (P = 0.031), DQB1*03 (P = 0.004) and DQB1*03:01 (P = 0.014). Analysis of cytokines revealed a higher incidence of inhibitor detection only in homozygotes of the haplotypes ACC and ATA for IL-10 polymorphisms (P = 0.05). There is evidence that HLA alleles and cytokine polymorphisms play an important role in FVIII inh development. On the contrary, no statistically significant results were obtained for intron-22 inversion and its impact on FVIII inhibitors formation.
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Affiliation(s)
- H Pergantou
- Haemophilia Centre/Haemostasis Unit, Aghia Sophia Children's Hospital, Athens, Greece.
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Razmkhah M, Ghaderi A. HLA Class I Allele Frequencies in Southern Iranian Women with Breast Cancer. Iran J Basic Med Sci 2013; 16:140-3. [PMID: 24298381 PMCID: PMC3843856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/02/2012] [Accepted: 09/09/2012] [Indexed: 11/08/2022]
Abstract
OBJECTIVE(S) Breast cancer is the leading cause of cancer-related death in women worldwide. It has been revealed that elevated risk for malignancy may be associated with certain HLA alleles. This study was performed to assess the association of HLA class I alleles with breast cancer in women in Southern Iran. MATERIALS AND METHOD Eighty nine patients included for analyzing the HLA class I alleles frequency using complement dependent cytotoxicity microassay and results were compared to 86 gender-matched healthy volunteers. RESULTS There were significantly more patients with A24(9) allele than those of healthy individuals (38.2% versus 16.3%) (P-value=0.002). In contrast, HLA-A1 had significantly much less expression in the patient group compared to the controls (P- value=0.04). CONCLUSION A24(9) allele appears to be one of the factors increasing an individual's the susceptibility to breast cancer in our population but further investigation might be required.
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Affiliation(s)
- Mahboobeh Razmkhah
- Shiraz Institute for Cancer research, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran,Corresponding author: Mahboobeh Razmkhah, Shiraz Institute for Cantre Research, Shiraz University of Medical Sciences, Shiraz, Iran. Tel: +98- 711- 230 3687; Fax: +98- 711-230 4952; E-mail:
| | - Abbas Ghaderi
- Shiraz Institute for Cancer research, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran,Department of Immunology, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran
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Flechter S, Klein T, Pollak L. Influence of histocompatibility genes on disease susceptibility and treatment response in patients with relapsing-remitting multiple sclerosis treated with interferon β-1a. Neurol Int 2011; 3:e5. [PMID: 21785677 PMCID: PMC3141116 DOI: 10.4081/ni.2011.e5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2010] [Accepted: 05/09/2011] [Indexed: 11/30/2022] Open
Abstract
Multiple sclerosis (MS) is the most common, non-traumatic cause of neurological disability in young adults. The aim of this study was to investigate the influence of HLA class II alleles DRB1* and DQB1* on susceptibility to relapsing-remitting (RR) MS and response to interferon (IFN) β-1a treatment. A prospective observational study was conducted. Seventeen patients with clinically definite RRMS, attending a tertiary referral center for multiple sclerosis in Israel and receiving treatment with subcutaneous IFN β-1a, 22 mcg three times weekly were recruited between December 1998 and February 2000 and observed for 12 months. HLA genotyping was performed and clinical characteristics (relapse rate and disability progression) assessed at baseline and after 12 months. HLA data for a healthy control group were also used for comparison. HLA and the success of treatment with IFN β-1a in this group of RRMS patients were assessed. The frequency of DRB1*03 was six times higher in patients treated with IFN β-1a than in the healthy control group (n=100): 29% (5/17) versus 5% (5/100), respectively. Additionally, DQB1*03 and DQB1*02 were present in 82% (14/17) and 41% (7/17) of RRMS patients, but in only 33% (33/100) and 18% (18/100) of control patients, respectively. A better response to IFN β-1a treatment was seen in patients carrying these alleles than in patients without these alleles. Our results indicated that DRB1*03, DQB1*03 and DQB1*02 alleles may contribute to MS susceptibility and IFN β-1a responsiveness, and warrant further verification in a larger population.
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Affiliation(s)
- Shlomo Flechter
- Multiple Sclerosis Clinical Research and Therapy Service, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Zhang SY, Li D, Gu HX, Li XK, Jin X, Liu W, Du B, Lu B. Analysis of the polymorphism of human leukocyte antigen (HLA) class and class alleles in HBV infection. Shijie Huaren Xiaohua Zazhi 2006; 14:963-968. [DOI: 10.11569/wcjd.v14.i10.963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To test the polymorphism of human leukocyte antigen (HLA) class and class alleles in HBV infection.
METHODS: The polymeric chain reaction/sequence specific primer (PCR-SSP) technique was used to determine HLA-A, B, DR B1 alleles in 61 patients with chronic hepatitis B (CHB), 30 recovered people from HBV infection and 40 healthy people ready to donate their bone marrow in Heilongjiang.
RESULTS: The allele frequencies of HLA-DRB1*12 in the chronic hepatitis B group were markedly higher than that in the normal group and the recovered group(0.230 vs 0.075, P = 0.004, OR = 3.674, 95%CI = 1.445-9.338 and 0.230 vs 0.063, P = 0.004, OR = 4.468, 95%CI = 1.492-13.377), but the allele frequencies of HLA- B*35, DRB1*13 were markedly lower(0.066 vs 0.163, P = 0.027, OR = 0.362, 95%CI = 0.143~0.918 and 0.016 vs 0.008, P = 0.017, OR = 0.174, 95%CI = 0.035-0.859). The allele frequencies of HLA-B*51, A*02 in the recovered group were markedly higher than that in the normal group (0.125 vs 0.025, P = 0.019, OR = 5.587, 95%CI = 1.139-27.027)and the chronic hepatitis B group(0.221 vs 0.360, P = 0.044, OR = 0.507, 95%CI = 0.260-0.986), respectively. HLA-A*69, B*56 were markedly lower in the chronic hepatitis B group than that in the normal group(0.000 vs 0.037, P = 0.031 and 0.000 vs 0.037, P = 0.031).
CONCLUSION: HLA-DRB1*12 was highly associated with the susceptibility to HBV infection and viral persistence. HLA-B*51, A*02 were closely associated with the susceptibility to HBV infection and viral clearance. HLA-B*35, DRB1*13, B*56 and A*69 were associated with the protection to HBV infection.
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