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Mihoub O, Chaaben AB, Boukouaci W, Lajnef M, Wu CL, Bouassida J, Saitoh K, Sugunasabesan S, Naamoune S, Richard JR, El Kefi H, Ben Ammar H, El Hechmi Z, Guemira F, Kharrat M, Leboyer M, Tamouza R. A replication study of sHLA-E influence on schizophrenia and bipolar disorder. L'ENCEPHALE 2024:S0013-7006(24)00113-1. [PMID: 38824045 DOI: 10.1016/j.encep.2024.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 03/18/2024] [Accepted: 04/05/2024] [Indexed: 06/03/2024]
Abstract
OBJECTIVES Schizophrenia (SZ) and bipolar disorders (BP) are chronic and severe neuropsychiatric diseases. These disorders are tightly related to immune deregulations. In the current study, we intended to replicate the previously reported involvement of the soluble HLA-E isoforms (sHLA-E) in the risk of developing the two conditions along with disease severity in a Tunisian population group. PATIENTS AND METHODS One hundred and twenty-four patients with schizophrenia and 121 with bipolar disorder meeting the DSM-IV criteria along 111 healthy controls were included in this present case-control study. The soluble HLA-E isoforms circulating levels were measured using the ELISA method. The statistical analyses were performed using Kruskal-Wallis and Wilcoxon rank sum tests by R software and GraphPad prism 9. RESULTS We found that the sHLA-E circulating levels were significantly higher in BP patients as compared to healthy controls (P<0.0001) and that such increases were mainly observed in patients during an acute phase of their disease (P<0.0001). In SZ patients, while we failed to observe an association with the levels of sHLA-E in the entire SZ sample, we found that high sHLA-E levels characterized stabilized patients in comparison with those during an acute episode (P=0.022). Finally, we did not observe any association between sHLA-E circulating levels and symptoms assessed by the classical clinical scales either in BP or SZ patients. CONCLUSION Overall, the present findings replicate in a Tunisian population group the previously demonstrated implication of sHLA-E circulating levels in the risk of developing BP or SZ in a French patient cohort. Such replication allows to consider HLA-E as a potent and true inflammatory marker in the context of the two disorders.
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Affiliation(s)
- Ons Mihoub
- Laboratory of Human Genetics (LR99ES10), Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia.
| | - Arij Ben Chaaben
- Laboratory of Human Genetics (LR99ES10), Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Wahid Boukouaci
- Translational Neuropsychiatry Laboratory and Paris Est Créteil University, Inserm U955 IMRB, 94010 Créteil, France
| | - Mohamed Lajnef
- Translational Neuropsychiatry Laboratory and Paris Est Créteil University, Inserm U955 IMRB, 94010 Créteil, France
| | - Ching-Lien Wu
- Translational Neuropsychiatry Laboratory and Paris Est Créteil University, Inserm U955 IMRB, 94010 Créteil, France
| | - Jihène Bouassida
- Translational Neuropsychiatry Laboratory and Paris Est Créteil University, Inserm U955 IMRB, 94010 Créteil, France
| | - Kaori Saitoh
- Translational Neuropsychiatry Laboratory and Paris Est Créteil University, Inserm U955 IMRB, 94010 Créteil, France
| | - Sobika Sugunasabesan
- Translational Neuropsychiatry Laboratory and Paris Est Créteil University, Inserm U955 IMRB, 94010 Créteil, France
| | - Soumia Naamoune
- Translational Neuropsychiatry Laboratory and Paris Est Créteil University, Inserm U955 IMRB, 94010 Créteil, France
| | - Jean-Romain Richard
- Translational Neuropsychiatry Laboratory and Paris Est Créteil University, Inserm U955 IMRB, 94010 Créteil, France
| | - Hamdi El Kefi
- Department of Psychiatry, Military Hospital of Tunis, Tunis, Tunisia
| | - Hanen Ben Ammar
- Department of Psychiatry F, Razi Hospital, Mannouba, Tunisia
| | | | - Fathi Guemira
- Clinical Biology, Salah Azaiz Institute, Tunis, Tunisia
| | - Maher Kharrat
- Laboratory of Human Genetics (LR99ES10), Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Marion Leboyer
- Translational Neuropsychiatry Laboratory, fédération hospitalo-universitaire de médecine de précision en psychiatrie (FHU ADAPT), DMU IMPACT, AP-HP, Paris Est Créteil University and Fondation FondaMental, Inserm U955 IMRB, 94010 Créteil, France
| | - Ryad Tamouza
- Translational Neuropsychiatry Laboratory, fédération hospitalo-universitaire de médecine de précision en psychiatrie (FHU ADAPT), DMU IMPACT, AP-HP, Paris Est Créteil University and Fondation FondaMental, Inserm U955 IMRB, 94010 Créteil, France
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Your height affects your health: genetic determinants and health-related outcomes in Taiwan. BMC Med 2022; 20:250. [PMID: 35831902 PMCID: PMC9281111 DOI: 10.1186/s12916-022-02450-w] [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: 02/04/2022] [Accepted: 06/22/2022] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Height is an important anthropometric measurement and is associated with many health-related outcomes. Genome-wide association studies (GWASs) have identified hundreds of genetic loci associated with height, mainly in individuals of European ancestry. METHODS We performed genome-wide association analyses and replicated previously reported GWAS-determined single nucleotide polymorphisms (SNPs) in the Taiwanese Han population (Taiwan Biobank; n = 67,452). A genetic instrument composed of 251 SNPs was selected from our GWAS, based on height and replication results as the best-fit polygenic risk score (PRS), in accordance with the clumping and p-value threshold method. We also examined the association between genetically determined height (PRS251) and measured height (phenotype). We performed observational (phenotype) and genetic PRS251 association analyses of height and health-related outcomes. RESULTS GWAS identified 6843 SNPs in 89 genomic regions with genome-wide significance, including 18 novel loci. These were the most strongly associated genetic loci (EFEMP1, DIS3L2, ZBTB38, LCORL, HMGA1, CS, and GDF5) previously reported to play a role in height. There was a positive association between PRS251 and measured height (p < 0.001). Of the 14 traits and 49 diseases analyzed, we observed significant associations of measured and genetically determined height with only eight traits (p < 0.05/[14 + 49]). Height was positively associated with body weight, waist circumference, and hip circumference but negatively associated with body mass index, waist-hip ratio, body fat, total cholesterol, and low-density lipoprotein cholesterol (p < 0.05/[14 + 49]). CONCLUSIONS This study contributes to the understanding of the genetic features of height and health-related outcomes in individuals of Han Chinese ancestry in Taiwan.
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Hosseini E, Sarraf Kazerooni E, Azarkeivan A, Sharifi Z, Shahabi M, Ghasemzadeh M. HLA-E*01:01 allele is associated with better response to anti-HCV therapy while homozygous status for HLA-E*01:03 allele increases the resistance to anti-HCV treatments in frequently transfused thalassemia patients. Hum Immunol 2022; 83:556-563. [PMID: 35570067 DOI: 10.1016/j.humimm.2022.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 04/23/2022] [Accepted: 04/24/2022] [Indexed: 12/01/2022]
Abstract
BACKGROUND HLA-E binding to NKG2A/CD94 induces inhibitory signals that modulate NK cells cytotoxicity against infected targets. HCV-derived peptides stabilize HLA-E molecule that favours its higher expression. However, HLA-E stability and expression vary in different genotypes where the presence of HLA-E*01:03 allele is associated with higher HLA-E expression on targets that enhances NK cells inhibition and increases the chance of virus to escape from innate immune system. Here, we aimed to investigate whether HLA-E polymorphism affects HCV infection status or its treatment in major thalassemia patients who are more vulnerable to hepatitis C. METHODS AND MATERIALS Study included 89 cases of major thalassemia positive for HCV-antibody; of those 17 patients were negative for HCV-PCR (spontaneously cleared) and 72 patients were HCV-PCR positive (persistent hepatitis under different anti-viral treatment). 16 major thalassemia patients without hepatitis, negative for HCV-antibody were also considered as patients control group. Genomic DNAs extracted from whole bloods were genotyped for HLA-E locus using a sequence specific primer-PCR strategy. RESULTS In thalassemia patients, HLA-E*01:03 allele increased susceptibility to HCV infection [p = 0.02; 4.74(1.418-15.85)]. In addition, HLA-E*01:03/*01:03 genotype predicted more resistance to HCV treatment compared to other genotypes [p = 0.037; 3.5(1.1-11.4)]. In other words, we found that the presence of HLA-E*01:01 allele favors better response to anti-HCV therapy [p = 0.037; 3.5(1.1-11.4)]. CONCLUSION From a mechanistic point of view, the associations between HLA-E polymorphisms and susceptibility to HCV infection or its therapeutic resistance in thalassemia patients may suggest potential roles for the innate and adaptive immune responses to this infection, which are manifested by the acts of HLA-E - NKG2A/CD94 axis in the modulation of NK cell inhibitory function as well as HLA-E associated CD8+ T cell cytolytic activity against HCV, respectively. Notably, from a clinical point of view, paying attention to these associations may not only be useful in increasing the effectiveness of current anti-HCV regimens comprising direct acting antivirals (DAAs) in more complicated patients, but may also suggest antiviral prophylaxis for patients more vulnerable to HCV infection.
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Affiliation(s)
- Ehteramolsadat Hosseini
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Ehsan Sarraf Kazerooni
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Azita Azarkeivan
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran; Iranian Blood Transfusion Organization, Thalassemia Clinic, Tehran, Iran
| | - Zohreh Sharifi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Majid Shahabi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Mehran Ghasemzadeh
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran.
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Boukouaci W, Lajnef M, Richard JR, Wu CL, Bouassida J, Rafik I, Foiselle M, Straczek C, Mezouad E, Naamoune S, Salah S, Bencharif MA, Ben Chaaben A, Barau C, Le Corvoisier P, Leboyer M, Tamouza R. HLA-E circulating and genetic determinants in schizophrenia and bipolar disorder. Sci Rep 2021; 11:20260. [PMID: 34642395 PMCID: PMC8511156 DOI: 10.1038/s41598-021-99732-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 09/27/2021] [Indexed: 12/12/2022] Open
Abstract
Schizophrenia (SZ) and bipolar disorders (BD) are severe mental illnesses that lack reliable biomarkers to guide diagnosis and management. As immune dysregulation is associated with these disorders, we utilized the immunoregulatory functions of the natural killer cell inhibitory HLA-E locus to investigate the relationships between HLA-E genetic and expression diversities with SZ and BD risk and severity. Four hundred and forty-four patients meeting DSM-IV criteria for SZ (N = 161) or BD (N = 283) were compared to 160 heathy controls (HC). Circulating levels of the soluble isoform of HLA-E molecules (sHLA-E) were measured and HLA-E*01:01 and HLA-E*01:03 variants genotyped in the whole sample. sHLA-E circulating levels were significantly higher in both SZ and in BD patients compared to HC (pc < 0.0001 and pc = 0.0007 for SZ and BD, respectively). High sHLA-E levels were also observed in stable SZ patients and in acute BD patients experiencing depressive episodes when comparisons were made between the acute and stable subgroups of each disorder. sHLA-E levels linearly increased along HLA-E genotypes (p = 0.0036). In conclusion, HLA-E variants and level may have utility as diagnostic biomarkers of SZ and BD. The possible roles of HLA diversity in SZ and BD etiology and pathophysiology are discussed.
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Affiliation(s)
- Wahid Boukouaci
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Mohamed Lajnef
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Jean-Romain Richard
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Ching-Lien Wu
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Jihène Bouassida
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Ismail Rafik
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Marianne Foiselle
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Céline Straczek
- Pharmacie Hospitalière, HU Henri Mondor, 94010, Créteil, France
| | - Esma Mezouad
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Soumia Naamoune
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Sofiane Salah
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Mohamed Amin Bencharif
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Arij Ben Chaaben
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Caroline Barau
- Plateforme de Ressources Biologiques, AP-HP, HU Henri Mondor, 94010, Créteil, France
| | - Philippe Le Corvoisier
- Inserm, Centre d'Investigation Clinique 1430 et AP-HP, Hôpitaux Universitaires Henri Mondor, Univ Paris Est Creteil, 94010, Créteil, France
| | - Marion Leboyer
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France
| | - Ryad Tamouza
- INSERM, IMRB, Translational Neuropsychiatry, AP-HP, DMU IMPACT, Fédération Hospitalo-Universitaire de Médecine de Précision en Psychiatrie (FHU ADAPT), Univ Paris Est Créteil, Fondation FondaMental, 94010, Créteil, France.
- Département Hospitalo-Universitaire de Psychiatrie, Hôpital Albert Chenevier, 40 rue de Mesly, 94000, Créteil, France.
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Gulati R, Kavadichanda GC, Mariaselvam CM, Kumar G, Negi VS. Association of HLA-G, HLA-E and HLA-B*27 with susceptibility and clinical phenotype of enthesitis related arthritis (ERA). Hum Immunol 2021; 82:615-620. [PMID: 34183176 DOI: 10.1016/j.humimm.2021.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 04/27/2021] [Accepted: 06/17/2021] [Indexed: 10/21/2022]
Abstract
We studied the association of Enthesitis related arthritis (ERA) the most common variant of juvenile idiopathic arthritis (JIA) in Asians, with HLA-G and -E polymorphisms. HLA-G (14 bp Ins/Del rs371194629, +3142 rs1063320, +3187 rs9380142) and HLA-E (rs1264457, and rs2844724) polymorphisms were analyzed in 127 patients with ERA and 381 ethnically matched healthy controls with TaqMan 5'-nuclease assay using allele-specific fluorogenic oligonucleotide probes. HLA-G and -E polymorphisms were not found to be associated with susceptibility to ERA. HLA-G +3187 (rs9380142) G allele was associated with hip arthritis (Pc = 0.04, OR = 2.22, 95%CI = 1.07-4.63) and hip deformity (Pc = 0.02, OR = 2.51, 95%CI = 1.16-5.43). HLA-B*27 was positive in 91. HLA-E rs1264457 G and rs2844724 T alleles may be associated with B*27 positivity in ERA. Among HLA-G, -E haplotypes, frequency of -InsGAAC was significantly higher in patients than healthy controls (Pc = 0.003). In conclusion, HLA-G and HLA-E haplotype -InsGAAC may be associated with susceptibility to ERA and HLA-G +3187 rs9380142 A>G polymorphism may be a poor prognostic marker for progression to hip arthritis and deformity in ERA-JIA.
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Affiliation(s)
- Reena Gulati
- Department of Pediatrics, Genetic Services, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India.
| | - G Chengappa Kavadichanda
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India
| | - Christina Mary Mariaselvam
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India
| | - Gunjan Kumar
- Department of Preventive and Social Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India
| | - Vir Singh Negi
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India
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Cheng CF, Hsieh AR, Liang WM, Chen CC, Chen CH, Wu JY, Lin TH, Liao CC, Huang SM, Huang YC, Ban B, Lin YJ, Tsai FJ. Genome-Wide and Candidate Gene Association Analyses Identify a 14-SNP Combination for Hypertension in Patients With Type 2 Diabetes. Am J Hypertens 2021; 34:651-661. [PMID: 33276381 DOI: 10.1093/ajh/hpaa203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/19/2020] [Accepted: 12/02/2020] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND High blood pressure is common and comorbid with type 2 diabetes (T2D). Almost 50% of patients with T2D have high blood pressure. Patients with both conditions of hypertension (HTN) and T2D are at risk for cardiovascular diseases and mortality. The study aim was to investigate genetic risk factors for HTN in T2D patients. METHODS This study included 999 T2D (cohort 1) patients for the first genome scan stage and 922 T2D (cohort 2) patients for the replication stage. Here, we investigated the genetic susceptibility and cumulative weighted genetic risk score for HTN in T2D patients of Han Chinese descent in Taiwan. RESULTS Thirty novel genetic single nucleotide polymorphisms (SNPs) were associated with HTN in T2D after adjusting for age and body mass index (P value <1 × 10-4). Eight blood pressure-related and/or HTN-related genetic SNPs were associated with HTN in T2D after adjusting for age and body mass index (P value <0.05). Linkage disequilibrium and cumulative weighted genetic risk score analyses showed that 14 of the 38 SNPs were associated with risk of HTN in a dose-dependent manner in T2D (Cochran-Armitage trend test: P value <0.0001). The 14-SNP cumulative weighted genetic risk score was also associated with increased regression tendency of systolic blood pressure in T2D (SBP = 122.05 + 0.8 × weighted genetic risk score; P value = 0.0001). CONCLUSIONS A cumulative weighted genetic risk score composed of 14 SNPs is important for HTN, increased tendency of systolic blood pressure, and may contribute to HTN risk in T2D in Taiwan.
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Affiliation(s)
- Chi-Fung Cheng
- Graduate Institute of Biostatistics, School of Public Health, China Medical University, Taichung, Taiwan
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Ai-Ru Hsieh
- Department of Statistics, Tamkang University, New Taipei City, Taiwan
| | - Wen-Miin Liang
- Graduate Institute of Biostatistics, School of Public Health, China Medical University, Taichung, Taiwan
| | - Ching-Chu Chen
- Division of Endocrinology and Metabolism, Department of Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Chien-Hsiun Chen
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Jer-Yuarn Wu
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Ting-Hsu Lin
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Chiu-Chu Liao
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Shao-Mei Huang
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Yu-Chuen Huang
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Bo Ban
- Chinese Research Center for Behavior Medicine in Growth and Development, Jining, Shandong, China
| | - Ying-Ju Lin
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Fuu-Jen Tsai
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
- Department of Biotechnology and Bioinformatics, Asia University, Taichung, Taiwan
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Cheng CF, Lin YJ, Lin MC, Liang WM, Chen CC, Chen CH, Wu JY, Lin TH, Liao CC, Huang SM, Hsieh AR, Tsai FJ. Genetic risk score constructed from common genetic variants is associated with cardiovascular disease risk in type 2 diabetes mellitus. J Gene Med 2020; 23:e3305. [PMID: 33350037 DOI: 10.1002/jgm.3305] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/21/2020] [Accepted: 12/08/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Patients with type 2 diabetes mellitus (T2DM) experience a two-fold increased risk of cardiovascular diseases. Genome-wide association studies (GWAS) have identified T2DM susceptibility genetic variants. Interestingly, the genetic variants associated with cardiovascular disease risk in T2DM Han Chinese remain to be elucidated. The present study aimed to investigate the genetic variants associated with cardiovascular disease risk in T2DM. METHODS We performed bootstrapping, GWAS and an investigation of genetic variants associated with cardiovascular disease risk in a discovery T2DM cohort and in a replication cohort. The discovery cohort included 326 cardiovascular disease patients and 1209 noncardiovascular disease patients. The replication cohort included 68 cardiovascular disease patients and 317 noncardiovascular disease patients. The main outcome measures were genetic variants for genetic risk score (GRS) in cardiovascular disease risk in T2DM. RESULTS In total, 35 genetic variants were associated with cardiovascular disease risk. A GRS was generated by combining risk alleles from these variants weighted by their estimated effect sizes (log odds ratio [OR]). T2DM patients with weighted GRS ≥ 12.63 had an approximately 15-fold increase in cardiovascular disease risk (odds ratio = 15.67, 95% confidence interval [CI] = 10.33-24.00) compared to patients with weighted GRS < 10.39. With the addition of weighted GRS, receiver-operating characteristic curves showed that area under the curve with conventional risk factors was improved from 0.719 (95% CI = 0.689-0.750) to 0.888 (95% CI = 0.866-0.910). CONCLUSIONS These 35 genetic variants are associated with cardiovascular disease risk in T2DM, alone and cumulatively. T2DM patients with higher levels of weighted genetic risk score have higher cardiovascular disease risks.
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Affiliation(s)
- Chi-Fung Cheng
- Graduate Institute of Biostatistics, School of Public Health, China Medical University, Taichung, Taiwan.,Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Ying-Ju Lin
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan.,School of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Mei-Chen Lin
- Graduate Institute of Biostatistics, School of Public Health, China Medical University, Taichung, Taiwan
| | - Wen-Miin Liang
- Graduate Institute of Biostatistics, School of Public Health, China Medical University, Taichung, Taiwan
| | - Ching-Chu Chen
- Division of Endocrinology and Metabolism, Department of Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Chien-Hsiun Chen
- School of Chinese Medicine, China Medical University, Taichung, Taiwan.,Institute of Biomedical Sciences, Taipei, Taiwan
| | - Jer-Yuarn Wu
- School of Chinese Medicine, China Medical University, Taichung, Taiwan.,Institute of Biomedical Sciences, Taipei, Taiwan
| | - Ting-Hsu Lin
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Chiu-Chu Liao
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Shao-Mei Huang
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Ai-Ru Hsieh
- Department of Statistics, Tamkang University, New Taipei, Taiwan
| | - Fuu-Jen Tsai
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan.,School of Chinese Medicine, China Medical University, Taichung, Taiwan.,Department of Biotechnology and Bioinformatics, Asia University, Taichung, Taiwan
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Kawasaki Disease and Multisystem Inflammatory Syndrome in Children with COVID-19. ACTA ACUST UNITED AC 2020; 2:2096-2101. [PMID: 33043252 PMCID: PMC7538055 DOI: 10.1007/s42399-020-00558-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2020] [Indexed: 12/14/2022]
Abstract
Since December 2019, the world has been exposed to a novel virus from the coronaviruses family, named coronavirus disease 2019 (COVID-19), which has affected the life of millions people around the world. This global pandemic causes a wide spectrum of clinical manifestation in children, adults, and elderly. One side of the spectrum in children is being asymptomatic and the other side is severe inflammatory symptoms. In this article, we describe the clinical manifestations, genetic background, and immune response of children with COVID-19, who are presented with severe multisystem inflammatory syndrome (MIS).
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9
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Lin YJ, Cheng CF, Wang CH, Liang WM, Tang CH, Tsai LP, Chen CH, Wu JY, Hsieh AR, Lee MTM, Lin TH, Liao CC, Huang SM, Zhang Y, Tsai CH, Tsai FJ. Genetic Architecture Associated With Familial Short Stature. J Clin Endocrinol Metab 2020; 105:5805154. [PMID: 32170311 DOI: 10.1210/clinem/dgaa131] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 03/10/2020] [Indexed: 12/21/2022]
Abstract
CONTEXT Human height is an inheritable, polygenic trait under complex and multilocus genetic regulation. Familial short stature (FSS; also called genetic short stature) is the most common type of short stature and is insufficiently known. OBJECTIVE To investigate the FSS genetic profile and develop a polygenic risk predisposition score for FSS risk prediction. DESIGN AND SETTING The FSS participant group of Han Chinese ancestry was diagnosed by pediatric endocrinologists in Taiwan. PATIENTS AND INTERVENTIONS The genetic profiles of 1163 participants with FSS were identified by using a bootstrapping subsampling and genome-wide association studies (GWAS) method. MAIN OUTCOME MEASURES Genetic profile, polygenic risk predisposition score for risk prediction. RESULTS Ten novel genetic single nucleotide polymorphisms (SNPs) and 9 reported GWAS human height-related SNPs were identified for FSS risk. These 10 novel SNPs served as a polygenic risk predisposition score for FSS risk prediction (area under the curve: 0.940 in the testing group). This FSS polygenic risk predisposition score was also associated with the height reduction regression tendency in the general population. CONCLUSION A polygenic risk predisposition score composed of 10 genetic SNPs is useful for FSS risk prediction and the height reduction tendency. Thus, it might contribute to FSS risk in the Han Chinese population from Taiwan.
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Affiliation(s)
- Ying-Ju Lin
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Chi-Fung Cheng
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
- Department of Health Services Administration, China Medical University, Taichung, Taiwan
| | - Chung-Hsing Wang
- Children's Hospital of China Medical University, Taichung, Taiwan
| | - Wen-Miin Liang
- Department of Health Services Administration, China Medical University, Taichung, Taiwan
| | - Chih-Hsin Tang
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Li-Ping Tsai
- Department of Pediatrics, Taipei Tzu Chi Hospital, New Taipei City, Taiwan
| | - Chien-Hsiun Chen
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Jer-Yuarn Wu
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Ai-Ru Hsieh
- Department of Statistics, Tamkang University, New Taipei City, Taiwan
| | | | - Ting-Hsu Lin
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Chiu-Chu Liao
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Shao-Mei Huang
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Yanfei Zhang
- Genomic Medicine Institute, Geisinger, Danville, Pennsylvania, USA
| | - Chang-Hai Tsai
- Department of Biotechnology and Bioinformatics, Asia University, Taichung, Taiwan
| | - Fuu-Jen Tsai
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
- Children's Hospital of China Medical University, Taichung, Taiwan
- Department of Biotechnology and Bioinformatics, Asia University, Taichung, Taiwan
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10
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Lo MS. A framework for understanding Kawasaki disease pathogenesis. Clin Immunol 2020; 214:108385. [PMID: 32173601 DOI: 10.1016/j.clim.2020.108385] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/09/2020] [Accepted: 03/11/2020] [Indexed: 02/06/2023]
Abstract
Kawasaki disease (KD) is a common vasculitis of childhood, typically affecting children under the age of five. Despite many aspects of its presentation that bear resemblence to acute infection, no causative infectious agent has been identified despite years of intense scrutiny. Unlike most infections, however, there are significant differences in racial predilection that suggest a strong genetic influence. The inflammatory response in KD specifically targets the coronary arteries, also unusual for an infectious condition. In this review, we discuss recent hypotheses on KD pathogenesis as well as new insights into the innate immune response and mechanisms behind vascular damage. The pathogenesis is complex, however, and remains inadequately understood.
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Affiliation(s)
- Mindy S Lo
- Division of Immunology, Boston Children's Hospital, 300 Longwood Ave, Boston, MA 02115, United States of America; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, United States of America.
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11
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Zhang D, Liu L, Huang X, Tian J. Insights Into Coronary Artery Lesions in Kawasaki Disease. Front Pediatr 2020; 8:493. [PMID: 32984207 PMCID: PMC7477115 DOI: 10.3389/fped.2020.00493] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 07/14/2020] [Indexed: 12/14/2022] Open
Abstract
This review summarizes recent advances in understanding the development of coronary arteritis in Kawasaki disease. Kawasaki disease is the most common cause of acquired heart disease among children characterized with coronary artery abnormalities, which can cause myocardial ischemia, infarction, and even death. The pathogenic factors of Kawasaki disease and the pathological process of coronary artery disease are not clear at present, which brings challenges to the prevention and treatment of the disease. The treatment of Kawasaki disease focuses mainly on timely administration of intravenous high doses of immunoglobulin and aspirin. However, there are still some patients who do not respond well to this standard treatment, and its management remains a challenge. As a result, coronary artery lesions still occur in patients and affect their quality of life. In this review, we discuss updated research data of Kawasaki disease coronary artery lesions.
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Affiliation(s)
- Danfeng Zhang
- Ministry of Education Key Laboratory of Child Development and Disorders, Department of Cardiology, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Lingjuan Liu
- Ministry of Education Key Laboratory of Child Development and Disorders, Department of Cardiology, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Xupei Huang
- Department of Biomedical Science, Charles E. Schmidt College of Medicine, Florida Atlantic University, Boca Raton, FL, United States
| | - Jie Tian
- Ministry of Education Key Laboratory of Child Development and Disorders, Department of Cardiology, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Pediatrics, Chongqing, China
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12
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Wasnik S, Baylink DJ, Leavenworth J, Liu C, Bi H, Tang X. Towards Clinical Translation of CD8 + Regulatory T Cells Restricted by Non-Classical Major Histocompatibility Complex Ib Molecules. Int J Mol Sci 2019; 20:E4829. [PMID: 31569411 PMCID: PMC6801908 DOI: 10.3390/ijms20194829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 09/27/2019] [Accepted: 09/27/2019] [Indexed: 11/17/2022] Open
Abstract
In central lymphoid tissues, mature lymphocytes are generated and pathogenic autoreactive lymphocytes are deleted. However, it is currently known that a significant number of potentially pathogenic autoreactive lymphocytes escape the deletion and populate peripheral lymphoid tissues. Therefore, peripheral mechanisms are present to prevent these potentially pathogenic autoreactive lymphocytes from harming one's own tissues. One such mechanism is dictated by regulatory T (Treg) cells. So far, the most extensively studied Treg cells are CD4+Foxp3+ Treg cells. However, recent clinical trials for the treatment of immune-mediated diseases using CD4+ Foxp3+ Treg cells met with limited success. Accordingly, it is necessary to explore the potential importance of other Treg cells such as CD8+ Treg cells. In this regard, one extensively studied CD8+ Treg cell subset is Qa-1(HLA-E in human)-restricted CD8+ Treg cells, in which Qa-1(HLA-E) molecules belong to a group of non-classical major histocompatibility complex Ib molecules. This review will first summarize the evidence for the presence of Qa-1-restricted CD8+ Treg cells and their regulatory mechanisms. Major discussions will then focus on the potential clinical translation of Qa-1-restricted CD8+ Treg cells. At the end, we will briefly discuss the current status of human studies on HLA-E-restricted CD8+ Treg cells as well as potential future directions.
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Affiliation(s)
- Samiksha Wasnik
- Department of Medicine, Division of Regenerative Medicine, Loma Linda University, Loma Linda, CA 92354, USA.
| | - David J Baylink
- Department of Medicine, Division of Regenerative Medicine, Loma Linda University, Loma Linda, CA 92354, USA.
| | - Jianmei Leavenworth
- Department of Neurosurgery, the University of Alabama at Birmingham, Birmingham, AL 35294, USA.
- Department of Microbiology, the University of Alabama at Birmingham, Birmingham, AL 35294, USA.
| | - Chenfan Liu
- Department of Medicine, Division of Regenerative Medicine, Loma Linda University, Loma Linda, CA 92354, USA.
| | - Hongzheng Bi
- Department of Medicine, Division of Regenerative Medicine, Loma Linda University, Loma Linda, CA 92354, USA.
| | - Xiaolei Tang
- Department of Medicine, Division of Regenerative Medicine, Loma Linda University, Loma Linda, CA 92354, USA.
- Department of Biomedical Sciences, College of Veterinary Medicine, Long Island University, Brookville, NY 11548, USA.
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13
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Shimizu C, Kim J, Eleftherohorinou H, Wright VJ, Hoang LT, Tremoulet AH, Franco A, Hibberd ML, Takahashi A, Kubo M, Ito K, Tanaka T, Onouchi Y, Coin LJM, Levin M, Burns JC, Shike H. HLA-C variants associated with amino acid substitutions in the peptide binding groove influence susceptibility to Kawasaki disease. Hum Immunol 2019; 80:731-738. [PMID: 31122742 PMCID: PMC10793643 DOI: 10.1016/j.humimm.2019.04.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 04/26/2019] [Accepted: 04/27/2019] [Indexed: 10/26/2022]
Abstract
Kawasaki disease (KD) is a pediatric vasculitis caused by an unknown trigger in genetically susceptible children. The incidence varies widely across genetically diverse populations. Several associations with HLA Class I alleles have been reported in single cohort studies. Using a genetic approach, from the nine single nucleotide variants (SNVs) associated with KD susceptibility in children of European descent, we identified SNVs near the HLA-C (rs6906846) and HLA-B genes (rs2254556) whose association was replicated in a Japanese descent cohort (rs6906846 p = 0.01, rs2254556 p = 0.005). The risk allele (A at rs6906846) was also associated with HLA-C*07:02 and HLA-C*04:01 in both US multi-ethnic and Japanese cohorts and HLA-C*12:02 only in the Japanese cohort. The risk A-allele was associated with eight non-conservative amino acid substitutions (amino acid positions); Asp or Ser (9), Arg (14), Ala (49), Ala (73), Ala (90), Arg (97), Phe or Ser (99), and Phe or Ser (116) in the HLA-C peptide binding groove that binds peptides for presentation to cytotoxic T cells (CTL). This raises the possibility of increased affinity to a "KD peptide" that contributes to the vasculitis of KD in genetically susceptible children.
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Affiliation(s)
- Chisato Shimizu
- Department of Pediatrics, University California San Diego, La Jolla, CA, USA.
| | - Jihoon Kim
- Division of Biomedical Informatics, Department of Medicine, University California San Diego, La Jolla, CA, USA
| | - Hariklia Eleftherohorinou
- Section of Paediatrics, Division of Infectious Diseases, Department of Medicine, Imperial College London, London, UK
| | - Victoria J Wright
- Section of Paediatrics, Division of Infectious Diseases, Department of Medicine, Imperial College London, London, UK
| | | | - Adriana H Tremoulet
- Department of Pediatrics, University California San Diego, La Jolla, CA, USA; Department of Cardiology, Rady Childrens' Hospital San Diego, San Diego, CA, USA
| | - Alessandra Franco
- Department of Pediatrics, University California San Diego, La Jolla, CA, USA
| | | | - Atsushi Takahashi
- Laboratory for Statistical Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan; Department of Genomic Medicine, Research Institute, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan
| | - Michiaki Kubo
- RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan
| | - Kaoru Ito
- Laboratory for Cardiovascular Diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan
| | - Toshihiro Tanaka
- Department of Human Genetics and Disease Diversity, Tokyo Medical and Dental University Graduate School of Medical and Dental Sciences, Bunkyo-ku, Tokyo, Japan
| | - Yoshihiro Onouchi
- Laboratory for Cardiovascular Diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan; Department of Public Health, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Lachlan J M Coin
- Institute for Molecular Bioscience, University of Queensland, St Lucia, Australia
| | - Michael Levin
- Section of Paediatrics, Division of Infectious Diseases, Department of Medicine, Imperial College London, London, UK
| | - Jane C Burns
- Department of Pediatrics, University California San Diego, La Jolla, CA, USA; Department of Cardiology, Rady Childrens' Hospital San Diego, San Diego, CA, USA
| | - Hiroko Shike
- Department of Pathology, HLA Laboratory, Penn State Hershey Medical Center, Hershey, PA, USA
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14
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Bijnens J, Missiaen L, Bultynck G, Parys JB. A critical appraisal of the role of intracellular Ca 2+-signaling pathways in Kawasaki disease. Cell Calcium 2018; 71:95-103. [PMID: 29604968 DOI: 10.1016/j.ceca.2018.01.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 01/20/2018] [Indexed: 12/31/2022]
Abstract
Kawasaki disease is a multi-systemic vasculitis that generally occurs in children and that can lead to coronary artery lesions. Recent studies showed that Kawasaki disease has an important genetic component. In this review, we discuss the single-nucleotide polymorphisms in the genes encoding proteins with a role in intracellular Ca2+ signaling: inositol 1,4,5-trisphosphate 3-kinase C, caspase-3, the store-operated Ca2+-entry channel ORAI1, the type-3 inositol 1,4,5-trisphosphate receptor, the Na+/Ca2+ exchanger 1, and phospholipase Cß4 and Cß1. An increase of the free cytosolic Ca2+ concentration is proposed to be a major factor in susceptibility to Kawasaki disease and disease outcome, but only for polymorphisms in the genes encoding the inositol 1,4,5-trisphosphate 3-kinase C and the Na+/Ca2+ exchanger 1, the free cytosolic Ca2+ concentration was actually measured and shown to be increased. Excessive cytosolic Ca2+ signaling can result in hyperactive calcineurin in T cells with an overstimulated nuclear factor of activated T cells pathway, in hypersecretion of interleukin-1ß and tumor necrosis factor-α by monocytes/macrophages, in increased urotensin-2 signaling, and in an overactivation of vascular endothelial cells.
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Affiliation(s)
- Jeroen Bijnens
- KU Leuven, Laboratory of Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine, B-3000 Leuven, Belgium
| | - Ludwig Missiaen
- KU Leuven, Laboratory of Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine, B-3000 Leuven, Belgium
| | - Geert Bultynck
- KU Leuven, Laboratory of Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine, B-3000 Leuven, Belgium
| | - Jan B Parys
- KU Leuven, Laboratory of Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine, B-3000 Leuven, Belgium.
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15
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The Roles of Genetic Factors in Kawasaki Disease: A Systematic Review and Meta-analysis of Genetic Association Studies. Pediatr Cardiol 2018; 39:207-225. [PMID: 29098351 DOI: 10.1007/s00246-017-1760-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 10/25/2017] [Indexed: 12/14/2022]
Abstract
This systematic review and meta-analysis aimed to better elucidate the roles of genetic factors in Kawasaki disease (KD), and determine the potential genetic biomarkers of KD. The systematic literature search of PubMed, Medline, Embase, Web of Science and CNKI identified 164 eligible studies. The qualitative synthesis revealed that 62 genes may be correlated with the susceptibility to KD, and 47 genes may be associated with the incidence of coronary artery lesions (CALs) in KD. A total of 53 polymorphisms in 34 genes were investigated in further quantitative synthesis. Of these, 23 gene polymorphisms were found to be significantly correlated with KD susceptibility, and 10 gene polymorphisms were found to be significantly associated with the incidence of CALs in KD. In conclusion, our findings indicate that gene polymorphisms of ACE, BLK, CASP3, CD40, FCGR2A, FGβ, HLA-E, IL1A, IL6, ITPKC, LTA, MPO, PD1, SMAD3, CCL17 and TNF may affect KD susceptibility. Besides, genetic variations in BTNL2, CASP3, FCGR2A, FGF23, FGβ, GRIN3A, HLA-E, IL10, ITPKC and TGFBR2 may serve as biomarkers of CALs in KD.
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16
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Goel R, Kabeerdoss J, Mohan H, Danda S, Jayaseelan V, Kumar TS, Jude J, Bacon P, Joseph G, Danda D. Soluble-HLA-E: A follow up biomarker in Takayasu arteritis, independent of HLA-E genotype. Int J Rheum Dis 2018; 21:532-540. [PMID: 28425192 DOI: 10.1111/1756-185x.13027] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIM Disease activity assessment in Takayasu arteritis (TA) is challenging. Human leukocyte antigen E (HLA-E) is shed from endothelium into serum as a soluble molecule (sHLA-E) in response to inflammation. We aimed to study: (i) utility of sHLA-E as a biomarker of disease activity; and (ii) association of HLA-E polymorphism rs1264457 with clinical disease in Asian-Indian TA patients. MATERIALS AND METHODS In phase-1, sHLA-E levels were estimated in sera of 50 consecutive TA patients at baseline visit and 27 healthy controls. Serial estimations were performed in 27 of them. In phase-2, DNA of 150 TA patients and 264 healthy controls were genotyped for rs1264457 polymorphism. RESULTS At baseline visit, disease was classified as active, stable and grumbling in 23, 18 and nine patients, respectively. sHLA-E levels were higher in active TA (43; interquartile range [IQR]: 25.3-64.6) pg/mL) than stable disease (12.9; IQR: 7.6-21.6 pg/mL) (P = 0.001). At first follow-up visit, sHLA-E levels were numerically higher in active disease than stable disease (P = 0.06) but this trend was blunted at second follow-up. sHLA-E levels increased in 54% versus 25% of patients with persistently active/relapsing and persistent stable course, respectively. rs1264457 polymorphism was not associated with susceptibility to TA and did not affect sHLA-E levels. CONCLUSION sHLA-E level is useful as a biomarker of disease activity and course in TA patients. rs1264457 polymorphism is neither associated with susceptibility nor did it influence sHLA-E levels in TA.
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Affiliation(s)
- Ruchika Goel
- Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India
| | - Jayakanthan Kabeerdoss
- Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India
| | - Hindhumathi Mohan
- Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India
| | - Sumita Danda
- Department of Medical Genetics, Christian Medical College, Vellore, India
| | - Visali Jayaseelan
- Department of Biostatistics, Christian Medical College, Vellore, India
| | - T Sathish Kumar
- Department of Child Health, Christian Medical College, Vellore, India
| | - John Jude
- Department of Microbiology, Christian Medical College, Vellore, India
| | - Paul Bacon
- School of Immunity and Infection, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - George Joseph
- Department of Cardiology, Christian Medical College, Vellore, India
| | - Debashish Danda
- Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India
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17
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Lin YJ, Liao WL, Wang CH, Tsai LP, Tang CH, Chen CH, Wu JY, Liang WM, Hsieh AR, Cheng CF, Chen JH, Chien WK, Lin TH, Wu CM, Liao CC, Huang SM, Tsai FJ. Association of human height-related genetic variants with familial short stature in Han Chinese in Taiwan. Sci Rep 2017; 7:6372. [PMID: 28744006 PMCID: PMC5527114 DOI: 10.1038/s41598-017-06766-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 06/19/2017] [Indexed: 12/19/2022] Open
Abstract
Human height can be described as a classical and inherited trait model. Genome-wide association studies (GWAS) have revealed susceptible loci and provided insights into the polygenic nature of human height. Familial short stature (FSS) represents a suitable trait for investigating short stature genetics because disease associations with short stature have been ruled out in this case. In addition, FSS is caused only by genetically inherited factors. In this study, we explored the correlations of FSS risk with the genetic loci associated with human height in previous GWAS, alone and cumulatively. We systematically evaluated 34 known human height single nucleotide polymorphisms (SNPs) in relation to FSS in the additive model (p < 0.00005). A cumulative effect was observed: the odds ratios gradually increased with increasing genetic risk score quartiles (p < 0.001; Cochran-Armitage trend test). Six affected genes-ZBTB38, ZNF638, LCORL, CABLES1, CDK10, and TSEN15-are located in the nucleus and have been implicated in embryonic, organismal, and tissue development. In conclusion, our study suggests that 13 human height GWAS-identified SNPs are associated with FSS risk both alone and cumulatively.
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Affiliation(s)
- Ying-Ju Lin
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan.,School of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Wen-Ling Liao
- Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan.,Center for Personalized Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Chung-Hsing Wang
- Children's Hospital of China Medical University, Taichung, Taiwan
| | - Li-Ping Tsai
- Department of Pediatrics, Buddhist Tzu Chi General Hospital, Taipei Branch, Taipei, Taiwan
| | - Chih-Hsin Tang
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Chien-Hsiun Chen
- School of Chinese Medicine, China Medical University, Taichung, Taiwan.,Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Jer-Yuarn Wu
- School of Chinese Medicine, China Medical University, Taichung, Taiwan.,Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Wen-Miin Liang
- Graduate Institute of Biostatistics, School of Public Health, China Medical University, Taichung, Taiwan
| | - Ai-Ru Hsieh
- Graduate Institute of Biostatistics, School of Public Health, China Medical University, Taichung, Taiwan
| | - Chi-Fung Cheng
- Graduate Institute of Biostatistics, School of Public Health, China Medical University, Taichung, Taiwan
| | - Jin-Hua Chen
- Biostatistics Center and School of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Wen-Kuei Chien
- National Applied Research Laboratories, National Center for High-performance Computing, Hsinchu, Taiwan
| | - Ting-Hsu Lin
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Chia-Ming Wu
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Chiu-Chu Liao
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Shao-Mei Huang
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Fuu-Jen Tsai
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan. .,School of Chinese Medicine, China Medical University, Taichung, Taiwan. .,Children's Hospital of China Medical University, Taichung, Taiwan. .,Department of Biotechnology and Bioinformatics, Asia University, Taichung, Taiwan.
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18
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Cho HJ, Bak SY, Kim SY, Yoo R, Baek HS, Yang S, Hwang IT, Ban JE. High neutrophil : lymphocyte ratio is associated with refractory Kawasaki disease. Pediatr Int 2017; 59:669-674. [PMID: 28097746 DOI: 10.1111/ped.13240] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 01/03/2017] [Accepted: 01/12/2017] [Indexed: 11/28/2022]
Abstract
BACKGROUND The clinical significance of the neutrophil : lymphocyte ratio (NLR) has not yet been fully elucidated in Kawasaki disease (KD). The purpose of this study was to investigate the relationship between NLR and response to i.v. immunoglobulin (IVIG), and its effect on coronary abnormalities in KD. METHODS A total of 196 KD patients treated with IVIG were analyzed. Baseline NLR was evaluated immediately before IVIG therapy and the patients classified into two groups according to NLR. The clinical data, other inflammatory biomarkers, and coronary complications were also assessed. RESULTS Kawasaki disease patients with NLR ≥ 5 had a greater incidence of IVIG refractoriness than the NLR < 5 group (31.7% vs 4.3%, P < 0.001), but this was not related to the development of coronary abnormalities. The change in NLR after IVIG (i.e. ΔNLR) was significantly decreased in the coronary abnormality group (2.65 ± 1.88 vs 3.81 ± 2.55, P = 0.042). On multivariate analysis, high NLR and CRP were independent predictors of IVIG refractoriness during the acute phase of KD (P = 0.032 in NLR; P = 0.029 in CRP, respectively). CONCLUSIONS High NLR was closely associated with resistance to IVIG, but it was not related to the occurrence of coronary abnormalities in KD. Low ΔNLR after IVIG, however, was significantly associated with coronary artery abnormalities.
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Affiliation(s)
- Hong-Je Cho
- Department of Pediatrics, Hallym University Medical Center, Seoul, Korea
| | - So Young Bak
- Department of Pediatrics, Hallym University Medical Center, Seoul, Korea
| | - Su Yeong Kim
- Department of Pediatrics, Hallym University Medical Center, Seoul, Korea
| | - Rita Yoo
- Department of Pediatrics, Hallym University Medical Center, Seoul, Korea
| | - Hae-Sung Baek
- Department of Pediatrics, Hallym University Medical Center, Seoul, Korea
| | - Seung Yang
- Department of Pediatrics, Hallym University Medical Center, Seoul, Korea
| | - Il-Tae Hwang
- Department of Pediatrics, Hallym University Medical Center, Seoul, Korea
| | - Ji-Eun Ban
- Department of Pediatrics, Hallym University Medical Center, Seoul, Korea
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Abou Sherif S, Ozden Tok O, Taşköylü Ö, Goktekin O, Kilic ID. Coronary Artery Aneurysms: A Review of the Epidemiology, Pathophysiology, Diagnosis, and Treatment. Front Cardiovasc Med 2017; 4:24. [PMID: 28529940 PMCID: PMC5418231 DOI: 10.3389/fcvm.2017.00024] [Citation(s) in RCA: 150] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Accepted: 04/07/2017] [Indexed: 12/11/2022] Open
Abstract
Coronary artery aneurysms (CAAs) are uncommon and describe a localized dilatation of a coronary artery segment more than 1.5-fold compared with adjacent normal segments. The incidence of CAAs varies from 0.3 to 5.3%. Ever since the dawn of the interventional era, CAAs have been increasingly diagnosed on coronary angiography. Causative factors include atherosclerosis, Takayasu arteritis, congenital disorders, Kawasaki disease (KD), and percutaneous coronary intervention. The natural history of CAAs remains unclear; however, several recent studies have postulated the underlying molecular mechanisms of CAAs, and genome-wide association studies have revealed several genetic predispositions to CAA. Controversies persist regarding the management of CAAs, and emerging findings support the importance of an early diagnosis in patients predisposed to CAAs, such as in children with KD. This review aims to summarize the present knowledge of CAAs and collate the recent advances regarding the epidemiology, etiology, pathophysiology, diagnosis, and treatment of this disease.
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Affiliation(s)
- Sara Abou Sherif
- Cardiovascular Research Division, Kings College London, London, UK
| | - Ozge Ozden Tok
- Department of Cardiology, Memorial Hospital, Istanbul, Turkey
| | | | - Omer Goktekin
- Department of Cardiology, Memorial Hospital, Istanbul, Turkey
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Kuo HC, Li SC, Guo MMH, Huang YH, Yu HR, Huang FC, Jiao F, Kuo HC, Andrade J, Chan WC. Genome-Wide Association Study Identifies Novel Susceptibility Genes Associated with Coronary Artery Aneurysm Formation in Kawasaki Disease. PLoS One 2016; 11:e0154943. [PMID: 27171184 PMCID: PMC4865092 DOI: 10.1371/journal.pone.0154943] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Accepted: 04/21/2016] [Indexed: 11/18/2022] Open
Abstract
Kawasaki disease (KD) or Kawasaki syndrome is known as a vasculitis of small to medium-sized vessels, and coronary arteries are predominantly involved in childhood. Generally, 20–25% of untreated with IVIG and 3–5% of treated KD patients have been developed coronary artery lesions (CALs), such as dilatation and aneurysm. Understanding how coronary artery aneurysms (CAAs) are established and maintained in KD patients is therefore of great importance. Upon our previous genotyping data of 157 valid KD subjects, a genome-wide association study (GWAS) has been conducted among 11 (7%) CAA-developed KD patients to reveal five significant genetic variants passed pre-defined thresholds and resulted in two novel susceptibility protein-coding genes, which are NEBL (rs16921209 (P = 7.44 × 10−9; OR = 32.22) and rs7922552 (P = 8.43 × 10−9; OR = 32.0)) and TUBA3C (rs17076896 (P = 8.04 × 10−9; OR = 21.03)). Their known functions have been reported to associate with cardiac muscle and tubulin, respectively. As a result, this might imply their putative roles of establishing CAAs during KD progression. Additionally, various model analyses have been utilized to determine dominant and recessive inheritance patterns of identified susceptibility mutations. Finally, all susceptibility genes hit by significant genetic variants were further investigated and the top three representative gene-ontology (GO) clusters were regulation of cell projection organization, neuron recognition, and peptidyl-threonine phosphorylation. Our results help to depict the potential routes of the pathogenesis of CAAs in KD patients and will facilitate researchers to improve the diagnosis and prognosis of KD in personalized medicine.
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Affiliation(s)
- Ho-Chang Kuo
- Department of Pediatrics and Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Sung-Chou Li
- Genomics and Proteomics Core Laboratory, Department of Medical Research, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Mindy Ming-Huey Guo
- Department of Pediatrics and Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Ying-Hsien Huang
- Department of Pediatrics and Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Hong-Ren Yu
- Department of Pediatrics and Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Fu-Chen Huang
- Department of Pediatrics and Kawasaki Disease Center, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Fuyong Jiao
- Children's Hospital of Shaanxi Provincial People's Hospital and Jiaotong University, Xi'an, China
| | - Hsing-Chun Kuo
- Department of Nursing, Chang Gung University of Science and Technology, Chiayi, Taiwan
| | - Jorge Andrade
- Center for Research Informatics, The University of Chicago, Chicago, Illinois, 60637, United States of America
| | - Wen-Ching Chan
- Genomics and Proteomics Core Laboratory, Department of Medical Research, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
- Center for Research Informatics, The University of Chicago, Chicago, Illinois, 60637, United States of America
- * E-mail:
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Camilli G, Cassotta A, Battella S, Palmieri G, Santoni A, Paladini F, Fiorillo MT, Sorrentino R. Regulation and trafficking of the HLA-E molecules during monocyte-macrophage differentiation. J Leukoc Biol 2016; 99:121-30. [PMID: 26310830 DOI: 10.1189/jlb.1a0415-172r] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2015] [Accepted: 08/11/2015] [Indexed: 12/20/2022] Open
Abstract
HLA-E is a nonclassical HLA-class I molecule whose best known role is to protect from the natural killer cells. More recently, an additional function more similar to that of classical HLA-class I molecules, i.e., antigen presentation to T cells, is emerging. However, much remains to be explored about the intracellular trafficking of the HLA-E molecules. With the use of 3 different cellular contexts, 2 monocytic cell lines, U937 and THP1, and peripheral blood monocytes, we show here a remarkable increase of HLA-E during monocyte-macrophage differentiation. This goes independently from the classical HLA-class I, the main source of HLA-E-specific peptides, which is found strongly up-regulated upon differentiation of peripheral blood monocytes but not at all in the case of U937 and THP1 cell lines. Although in all cases, there was a moderate increase of HLA-E expressed in the cell surface, lysis by natural killer cells is comparably restored by an anti-NKG2A antibody in untreated as well as in PMA-differentiated U937 cells. Instead, the great majority of the HLA-E is retained in the vesicles of the autophagy-lysosome network, where they colocalize with the microtubule-associated protein light chain 3, as well as with the lysosomal-associated membrane protein 1. We conclude that differently from the classical HLA-class I molecules, the primary destination of the newly synthesized HLA-E molecules in macrophages is, rather than the cell membrane, the intracellular autophagy-lysosomal vesicles where they are stored and where they can encounter the exogenous antigens.
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Affiliation(s)
- Giorgio Camilli
- Departments of *Biology and Biotechnology "Charles Darwin," Experimental Medicine, and Molecular Medicine, and Institute Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, Italy
| | - Antonino Cassotta
- Departments of *Biology and Biotechnology "Charles Darwin," Experimental Medicine, and Molecular Medicine, and Institute Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, Italy
| | - Simone Battella
- Departments of *Biology and Biotechnology "Charles Darwin," Experimental Medicine, and Molecular Medicine, and Institute Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, Italy
| | - Gabriella Palmieri
- Departments of *Biology and Biotechnology "Charles Darwin," Experimental Medicine, and Molecular Medicine, and Institute Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, Italy
| | - Angela Santoni
- Departments of *Biology and Biotechnology "Charles Darwin," Experimental Medicine, and Molecular Medicine, and Institute Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, Italy
| | - Fabiana Paladini
- Departments of *Biology and Biotechnology "Charles Darwin," Experimental Medicine, and Molecular Medicine, and Institute Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, Italy
| | - Maria Teresa Fiorillo
- Departments of *Biology and Biotechnology "Charles Darwin," Experimental Medicine, and Molecular Medicine, and Institute Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, Italy
| | - Rosa Sorrentino
- Departments of *Biology and Biotechnology "Charles Darwin," Experimental Medicine, and Molecular Medicine, and Institute Pasteur-Fondazione Cenci Bolognetti, Sapienza University of Rome, Italy
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Gao F, Si F, Feng S, Yi Q, Liu R. Resistin Enhances Inflammatory Cytokine Production in Coronary Artery Tissues by Activating the NF- κB Signaling. BIOMED RESEARCH INTERNATIONAL 2016; 2016:3296437. [PMID: 27800490 PMCID: PMC5075294 DOI: 10.1155/2016/3296437] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Revised: 08/28/2016] [Accepted: 08/29/2016] [Indexed: 11/17/2022]
Abstract
Purpose. Kawasaki disease (KD) is a systemic vasculitis and is a leading cause of coronary artery lesions (CALs) in childhood. Our previous study has shown higher levels of serum Resistin in KD patients with coronary aneurysm. This study aimed at examining the association of Resistin with inflammatory cytokine expression in mouse model of coronary arteritis and determining the potential mechanisms. Methods. C57BL/6 mice were injected with Lactobacillus cell wall extract (LCWE) to induce coronary arteritis. The relative levels of Resistin, TNF-α, IL-1β, and MMP-9 expression and inflammatory infiltrates in the coronary arteries were determined longitudinally by quantitative RT-PCR, ELISA, and histology. The effect of TLR4 and NF-κB activation on Resistin-induced TNF-α and IL-1β expression in human coronary artery endothelium cells (HCAECs) was examined by quantitative RT-PCR. Results. Higher levels of Resistin, TNF-α, IL-1β, and MMP-9 expression were associated with the degrees of inflammatory infiltrates in the coronary artery walls of the LCWE-injected mice. Resistin enhanced TNF-α and IL-1β expression in HCAECs at 18 or 24 hours after stimulation. Pretreatment with anti-TLR4 attenuated Resistin-enhanced IL-1β, but not TNF-α, expression and pretreatment with parthenolide or QNZ demolished Resistin-enhanced TNF-α expression in HACECs. Pretreatment with parthenolide, but not QNZ, blocked Resistin-enhanced IL-1β expression in HCAECs. Conclusion. Resistin may enhance inflammation by cross-talking with TLR4/NF-κB signaling during the development of coronary arteritis in mice.
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Affiliation(s)
- Fang Gao
- Department of Cardiovascular Medicine, Children's Hospital of Chongqing Medical University, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
- Ministry of Education Key Laboratory of Child Development and Disorders, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
- Chongqing Key Laboratory of Pediatrics, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
| | - Feifei Si
- Department of Cardiovascular Medicine, Children's Hospital of Chongqing Medical University, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
- Ministry of Education Key Laboratory of Child Development and Disorders, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
- Chongqing Key Laboratory of Pediatrics, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
| | - Siqi Feng
- Department of Cardiovascular Medicine, Children's Hospital of Chongqing Medical University, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
- Ministry of Education Key Laboratory of Child Development and Disorders, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
- Chongqing Key Laboratory of Pediatrics, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
| | - Qijian Yi
- Department of Cardiovascular Medicine, Children's Hospital of Chongqing Medical University, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
- Ministry of Education Key Laboratory of Child Development and Disorders, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
- Chongqing Key Laboratory of Pediatrics, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
- *Qijian Yi:
| | - Ruixi Liu
- Department of Cardiovascular Medicine, Children's Hospital of Chongqing Medical University, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
- Ministry of Education Key Laboratory of Child Development and Disorders, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
- Chongqing Key Laboratory of Pediatrics, CSTC2009CA5002, Yuzhong District, Chongqing 400014, China
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Genetic variants in PLCB4/PLCB1 as susceptibility loci for coronary artery aneurysm formation in Kawasaki disease in Han Chinese in Taiwan. Sci Rep 2015; 5:14762. [PMID: 26434682 PMCID: PMC4593004 DOI: 10.1038/srep14762] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Accepted: 09/04/2015] [Indexed: 12/17/2022] Open
Abstract
Kawasaki disease (KD) is an acute, inflammatory, and self-limited vasculitis affecting infants and young children. Coronary artery aneurysm (CAA) formation is the major complication of KD and the leading cause of acquired cardiovascular disease among children. To identify susceptible loci that might predispose patients with KD to CAA formation, a genome-wide association screen was performed in a Taiwanese KD cohort. Patients with both KD and CAA had longer fever duration and delayed intravenous immunoglobulin treatment time. After adjusting for these factors, 100 susceptibility loci were identified. Four genes were identified from a single cluster of 35 using the Ingenuity Pathway Analysis (IPA) Knowledge Base. Silencing KCNQ5, PLCB1, PLCB4, and PLCL1 inhibited the effect of lipopolysaccharide-induced endothelial cell inflammation with varying degrees of proinflammatory cytokine expression. PLCB1 showed the most significant inhibition. Endothelial cell inflammation was also inhibited by using a phospholipase C (PLC) inhibitor. The single nucleotide polymorphism rs6140791 was identified between PLCB4 and PLCB1. Plasma PLC levels were higher in patients with KD and CC+CG rs6140791genotypes, and these genotypes were more prevalent in patients with KD who also had CAA. Our results suggest that polymorphism of the PLCB4/B1 genes might be involved in the CAA pathogenesis of KD.
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Shrestha S, Wiener HW, Aissani B, Shendre A, Tang J, Portman MA. Imputation of class I and II HLA loci using high-density SNPs from ImmunoChip and their associations with Kawasaki disease in family-based study. Int J Immunogenet 2015; 42:140-6. [PMID: 25809546 DOI: 10.1111/iji.12190] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Revised: 01/28/2015] [Accepted: 02/19/2015] [Indexed: 02/03/2023]
Abstract
Kawasaki disease (KD) is the leading cause of acquired heart disease in children in most developed countries including the United States. The etiology of KD is not known; however, epidemiological and immunological data suggest infectious or immune-related factors in the manifestation of the disease. Further, KD has several hereditary features that strongly suggest a genetic component to disease pathogenesis. Human leucocyte antigen (HLA) loci have also been reported to be associated with KD, but results have been inconsistent, in part, because of small study samples and varying linkage disequilibrium (LD) patterns observed across different ethnic groups. To maximize the informativeness of single nucleotide polymorphism (SNP) genotypes in the major histocompatibility (MHC) region, we imputed classical HLA I (A, B, C) and HLA II (DRB1, DQA1, DQB1) alleles using SNP2HLA method from genotypes of 6700 SNPs within the extended MHC region contained in the ImmunoChip among 112 White patients with KD and their biological parents from North America and tested their association with KD susceptibility using the transmission disequilibrium test. Mendelian consistency in the trios suggested high accuracy and reliability of the imputed alleles (class I = 97.5%, class II = 96.6%). While several SNPs in the MHC region were individually associated with KD susceptibility, we report over-transmission of HLA-C*15 (z = +2.19, P = 0.03) and under-transmission of HLA-B*44 (z = -2.49, P = 0.01) alleles from parents to patients with KD. HLA-B*44 has been associated with KD in other smaller studies, and both HLA-C*15 and HLA-B*44 have biological mechanisms that could potentially be involved in KD pathogenesis. Overall, inferring HLA loci within the same ethnic group, using family-based information is a powerful approach. However, studies with larger sample sizes are warranted to evaluate the correlations of the strength and directions between the SNPs in MHC region and the imputed HLA alleles with KD.
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Affiliation(s)
- S Shrestha
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - H W Wiener
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - B Aissani
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - A Shendre
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - J Tang
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - M A Portman
- Department of Pediatrics, University of Washington, Seattle Children's Research Institute, Seattle, WA, USA
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Sotelo-Cruz N. [A review of Kawasaki disease, a perspective from the articles published in Mexico since January 1977 to May 2012]. ARCHIVOS DE CARDIOLOGIA DE MEXICO 2015; 83:214-22. [PMID: 23663892 DOI: 10.1016/j.acmx.2013.02.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Revised: 01/23/2013] [Accepted: 02/01/2013] [Indexed: 11/24/2022] Open
Abstract
Kawasaki disease was described in 1967 by Tomisu Kawasaki. It affects children aged between one and 5 years, and it evolves with fever and small vessel vasculitis, which leads to cardiovascular complications, including coronary aneurisms, myocarditis, valve injuries, pericardial effusion and myocardial infarction; eventually involving many others organs. The etiology actually is not well known, as the exactly pathogenic mechanisms; however, now there are important advances. If the clinical signs and symptoms are identify early and the children received treatment with aspirin and intravenous immunoglobulin, the patients evolves without sequels. The Kawasaki disease is an infrequent disease in Mexico.
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Affiliation(s)
- Norberto Sotelo-Cruz
- Departamento de Medicina y Ciencias de la Salud, Universidad de Sonora, Hermosillo, Sonora, México.
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Association of HLA-E*01:01/*01:03 polymorphism with methotrexate-based treatment response in South Indian rheumatoid arthritis patients. INDIAN JOURNAL OF RHEUMATOLOGY 2014. [DOI: 10.1016/j.injr.2014.08.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Wang W, Lou J, Zhong R, Qi YQ, Shen N, Lu XZ, Wang YJ, Zhang Q, Zou L, Duan JY, Ke JT, Miao XP, Gong FQ. The roles of Ca2+/NFAT signaling genes in Kawasaki disease: single- and multiple-risk genetic variants. Sci Rep 2014; 4:5208. [PMID: 24903211 PMCID: PMC4047536 DOI: 10.1038/srep05208] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Accepted: 05/20/2014] [Indexed: 12/17/2022] Open
Abstract
Ca2+/nuclear factor of activated T-cells (Ca2+/NFAT) signaling pathway may play a crucial role in Kawasaki disease (KD). We investigated 16 genetic variants, selected by bioinformatics analyses or previous studies, in 7 key genes involved in this pathway in a Chinese population. We observed a significantly or marginally increased KD risk associated with rs2720378 GC + CC genotypes (OR = 1.39, 95% CI = 1.07–1.80, P = 0.014) or rs2069762 AC + CC genotypes (OR = 1.28, 95% CI = 0.98–1.67, P = 0.066), compared with their wild type counterparts. In classification and regression tree analysis, individuals carrying the combined genotypes of rs2720378 GC or CC genotype, rs2069762 CA or CC genotype and rs1561876 AA genotype exhibited the highest KD risk (OR = 2.12, 95% CI = 1.46–3.07, P < 0.001), compared with the lowest risk carriers of rs2720378 GG genotype. Moreover, a significant dose effect was observed among these three variants (Ptrend < 0.001). In conclusion, this study implicates that single- and multiple-risk genetic variants in this pathway might contribute to KD susceptibility. Further studies on more comprehensive single nucleotide polymorphisms, different ethnicities and larger sample sizes are warranted, and the exact biological mechanisms need to be further clarified.
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Affiliation(s)
- Wei Wang
- 1] Children's Hospital, Zhejiang University School of Medicine, Hangzhou, PR China [2]
| | - Jiao Lou
- 1] Department of Epidemiology and Biostatistics and Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China [2]
| | - Rong Zhong
- Department of Epidemiology and Biostatistics and Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Yan-qi Qi
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou, PR China
| | - Na Shen
- Department of Epidemiology and Biostatistics and Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Xu-zai Lu
- Guangdong Women and Children Hospital, Guangzhou, PR China
| | - Yu-jia Wang
- Centre Hospitalier de l'Université de Montréal, CRCHUM-Hôpital Notre-Dame, Pavillion DeSève, Montreal, Canada
| | - Qing Zhang
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou, PR China
| | - Li Zou
- Department of Epidemiology and Biostatistics and Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Jia-yu Duan
- Department of Epidemiology and Biostatistics and Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Jun-tao Ke
- Department of Epidemiology and Biostatistics and Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Xiao-ping Miao
- Department of Epidemiology and Biostatistics and Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Fang-qi Gong
- Children's Hospital, Zhejiang University School of Medicine, Hangzhou, PR China
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Lin YJ, Lan YC, Lai CH, Lin TH, Huang SM, Liao CC, Lin CW, Hung CH, Tien N, Liu X, Chien WK, Chen JH, Tsai FJ. Association of promoter genetic variants in interleukin-10 and Kawasaki disease with coronary artery aneurysms. J Clin Lab Anal 2014; 28:461-4. [PMID: 24659220 DOI: 10.1002/jcla.21710] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Accepted: 10/08/2013] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Kawasaki disease (KD) is an acute, self-limited vasculitis in infants and young children. Interleukin-10 (IL-10) is a potent cytokine that exerts pleiotropic effects on immunoregulation and inflammation. Elevated IL-10 serum levels have been reported in the KD patients. METHODS In this study, we investigated whether IL-10 genetic polymorphisms contribute to coronary artery aneurysm (CAA) development among KD patients in Taiwan. A total of 58 KD patients with CAA and 277 unrelated healthy children matched for sex and age were enrolled for this study. RESULTS Higher G allele frequencies of IL-10 at -1082 position were observed in KD patients with CAA compared to the controls (P = 0.016, OR: 2.86, 95% CI, 1.17-6.98). In addition, higher IL-10 GCC haplotype frequencies were also observed in KD patients with CAA (P = 0.016, OR: 2.85, 95% CI, 1.17-6.98). CONCLUSION Our data support the possibility that IL-10 gene polymorphisms may be related with CAA development of KD in Taiwanese population.
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Affiliation(s)
- Ying-Ju Lin
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan; School of Chinese Medicine, China Medical University, Taichung, Taiwan
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Lin YJ, Chang JS, Liu X, Hung CH, Lin TH, Huang SM, Jeang KT, Chen CY, Liao CC, Lin CW, Lai CH, Tien N, Lan YC, Ho MW, Chien WK, Chen JH, Huang YC, Tsang H, Wu JY, Chen CH, Chang LC, Tsai FJ. Association between GRIN3A gene polymorphism in Kawasaki disease and coronary artery aneurysms in Taiwanese children. PLoS One 2013; 8:e81384. [PMID: 24278430 PMCID: PMC3838481 DOI: 10.1371/journal.pone.0081384] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Accepted: 10/14/2013] [Indexed: 02/07/2023] Open
Abstract
Kawasaki disease (KD) is pediatric systemic vasculitis with the classic complication of coronary artery aneurysm (CAA). It is the leading cause of acquired cardiovascular diseases in children. Some severe cases present with multi-organ involvement or neurological dysfunction. To identify the role of the glutamate receptor, ionotropic, N-methyl-d-aspartate 3A (GRIN3A) in KD, we investigated genetic variations in GRIN3A in a Taiwanese cohort of 262 KD patients (76 with and 186 without CAA complications). We used univariate and multivariate regression analyses to identify the associations between clinical characteristics and GRIN3A genetic variations in KD. According to univariate regression analysis, CAA formation in KD was significantly associated with fever duration (p < 0.0001), first Intravenous immunoglobulin (IVIG) used (days after day one of fever) (p < 0.0001), and the GRIN3A (rs7849782) genetic variant (p < 0.001). KD patients with GG+GC genotype showed a lower rate of developing CAA (GG+GC genotype: odds ratio = 0.26; 95% CI = 0.14–0.46). Significant associations were identified between KD with CAA complication and the GRIN3A (rs7849782) genetic variant by using multivariate regression analysis. Specifically, significant correlations were observed between KD with CAA complications and the presence of GG+GC genotypes for the GRIN3A rs7849782 single-nucleotide polymorphism (full model: odds ratio = 0.25; 95% CI = 0.14–0.46). Our results suggest that a polymorphism of the GRIN3A gene may play a role in KD pathogenesis.
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Affiliation(s)
- Ying-Ju Lin
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Jeng-Sheng Chang
- Department of Pediatrics, China Medical University Hospital, Taichung, Taiwan
| | - Xiang Liu
- Molecular Virology Section, Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Chien-Hui Hung
- Graduate Institute of Clinical Medical Science, Chang-Gung University, Chiayi, Taiwan
| | - Ting-Hsu Lin
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Shao-Mei Huang
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Kuan-Teh Jeang
- Molecular Virology Section, Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Chia-Yen Chen
- Viral Biochemistry Section, Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Chiu-Chu Liao
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Cheng-Wen Lin
- Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung, Taiwan
| | - Chih-Ho Lai
- Department of Microbiology, School of Medicine, China Medical University, Taichung, Taiwan
| | - Ni Tien
- Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung, Taiwan
| | - Yu-Ching Lan
- Department of Health Risk Management, China Medical University, Taichung, Taiwan
| | - Mao-Wang Ho
- Section of Infectious Diseases, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Wen-Kuei Chien
- Biostatistics Center, China Medical University, Taichung, Taiwan
- Biostatistics Center, Taipei Medical University, Taichung, Taiwan
| | - Jin-Hua Chen
- Biostatistics Center, China Medical University, Taichung, Taiwan
- Biostatistics Center, Taipei Medical University, Taichung, Taiwan
| | - Yu-Chuen Huang
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Hsinyi Tsang
- The Laboratory of Molecular Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Jer-Yuarn Wu
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Chien-Hsiun Chen
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Li-Ching Chang
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Fuu-Jen Tsai
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
- Department of Pediatrics, China Medical University Hospital, Taichung, Taiwan
- Asia University, Taichung, Taiwan
- * E-mail:
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Sorting nexin 24 genetic variation associates with coronary artery aneurysm severity in Kawasaki disease patients. Cell Biosci 2013; 3:44. [PMID: 24268062 PMCID: PMC4176999 DOI: 10.1186/2045-3701-3-44] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Accepted: 10/09/2013] [Indexed: 02/07/2023] Open
Abstract
Background The sorting nexin (SNX) family is involved in endocytosis and protein trafficking and plays multiple roles in various diseases. The role of SNX proteins in Kawasaki disease (KD) is not known. We attempted to test whether genetic SNX variation associates with the risk of coronary artery aneurysm (CAA) formation in KD. Methods and results Chi-square tests were used to identify SNX24 genetic variants associated with KD susceptibility and CAA formation in KD; models were adjusted for fever duration and time of first administration of intravenous immunoglobulin. We obtained clinical characteristics and genotypes from KD patients (76 with CAA and 186 without CAA) in a population-based retrospective KD cohort study (n = 262). Clinical and genetic factors were associated with CAA formation in KD. In addition, endothelial cell inflammation was evaluated. Significant correlation was observed between KD with CAA complications and the rs28891 single-nucleotide polymorphism in SNX24. Patients with CC + CT genotypes had lesser CAA complications. In lipopolysaccharide-treated human umbilical vein endothelial cells, siRNA knockdown of SNX24 significantly decreased gene expression of the proinflammatory cytokines IL-1 beta, IL-6, and IL-8. Conclusions Polymorphisms in SNX24 may be used as genetic markers for the diagnosis and prognosis of CAA formation in KD.
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Ravindranath MH, Terasaki PI, Pham T, Jucaud V, Kawakita S. Therapeutic preparations of IVIg contain naturally occurring anti-HLA-E antibodies that react with HLA-Ia (HLA-A/-B/-Cw) alleles. Blood 2013; 121:2013-28. [PMID: 23305735 DOI: 10.1182/blood-2012-08-447771] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The US Food and Drug Administration approved intravenous immunoglobulin (IVIg), extracted from the plasma of thousands of blood donors, for removing HLA antibodies (Abs) in highly sensitized patients awaiting organ transplants. Since the blood of healthy individuals has HLA Abs, we tested different IVIg preparations for reactivity to HLA single antigen Luminex beads. All preparations showed high levels of HLA-Ia and -Ib reactivity. Since normal nonalloimmunized males have natural antibodies to the heavy chains (HCs) of HLA antigens, the preparations were then tested against iBeads coated only with intact HLA antigens. All IVIg preparations varied in level of antibody reactivity to intact HLA antigens. We raised monoclonal Abs against HLA-E that mimicked IVIg's HLA-Ia and HLA-Ib reactivity but reacted only to HLA-I HCs. Inhibition experiments with synthetic peptides showed that HLA-E shares epitopes with HLA-Ia alleles. Importantly, depleting anti-HLA-E Abs from IVIg totally eliminated the HLA-Ia reactivity of IVIg. Since anti-HLA-E mAbs react with HLA-Ia, they might be useful in suppressing HLA antibody production, similar to the way anti-RhD Abs suppress production. At the same time, anti-HLA-E mAb, which reacts only to HLA-I HCs, is unlikely to produce transfusion-related acute lung injury, in contrast to antibodies reacting to intact-HLA.
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Understanding the pathogenesis of Kawasaki disease by network and pathway analysis. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2013; 2013:989307. [PMID: 23533546 PMCID: PMC3606754 DOI: 10.1155/2013/989307] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Accepted: 01/04/2013] [Indexed: 12/20/2022]
Abstract
Kawasaki disease (KD) is a complex disease, leading to the damage of multisystems. The pathogen that triggers this sophisticated disease is still unknown since it was first reported in 1967. To increase our knowledge on the effects of genes in KD, we extracted statistically significant genes so far associated with this mysterious illness from candidate gene studies and genome-wide association studies. These genes contributed to susceptibility to KD, coronary artery lesions, resistance to initial IVIG treatment, incomplete KD, and so on. Gene ontology category and pathways were analyzed for relationships among these statistically significant genes. These genes were represented in a variety of functional categories, including immune response, inflammatory response, and cellular calcium ion homeostasis. They were mainly enriched in the pathway of immune response. We further highlighted the compelling immune pathway of NF-AT signal and leukocyte interactions combined with another transcription factor NF- κ B in the pathogenesis of KD. STRING analysis, a network analysis focusing on protein interactions, validated close contact between these genes and implied the importance of this pathway. This data will contribute to understanding pathogenesis of KD.
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Yeter D, Deth R. ITPKC susceptibility in Kawasaki syndrome as a sensitizing factor for autoimmunity and coronary arterial wall relaxation induced by thimerosal's effects on calcium signaling via IP3. Autoimmun Rev 2012; 11:903-8. [DOI: 10.1016/j.autrev.2012.03.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2012] [Accepted: 03/22/2012] [Indexed: 12/12/2022]
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Choi YM, Shim KS, Yoon KL, Han MY, Cha SH, Kim SK, Jung JH. Transforming growth factor beta receptor II polymorphisms are associated with Kawasaki disease. KOREAN JOURNAL OF PEDIATRICS 2012; 55:18-23. [PMID: 22359526 PMCID: PMC3282214 DOI: 10.3345/kjp.2012.55.1.18] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2011] [Revised: 09/27/2011] [Accepted: 11/12/2011] [Indexed: 12/12/2022]
Abstract
Purpose Transforming growth factor beta receptor 2 (TGFBR2) is a tumor suppressor gene that plays a role in the differentiation of striated cells and remodeling of coronary arteries. Single nucleotide polymorphisms (SNPs) of this gene are associated with Marfan syndrome and sudden death in patients with coronary artery disease. Cardiovascular remodeling and T cell activation of TGFBR2 gene suggest that the TGFBR2 gene SNPs are related to the pathogenesis of Kawasaki disease (KD) and coronary artery lesion (CAL). Methods The subjects were 105 patients with KD and 500 healthy adults as controls. Mean age of KD group was 32 months age and 26.6% of those had CAL. We selected TGFBR2 gene SNPs from serum and performed direct sequencing. Results The sequences of the eleven SNPs in the TGFBR2 gene were compared between the KD group and controls. Three SNPs (rs1495592, rs6550004, rs795430) were associated with development of KD (P=0.019, P=0.026, P=0.016, respectively). One SNP (rs1495592) was associated with CAL in KD group (P=0.022). Conclusion Eleven SNPs in TGFBR2 gene were identified at that time the genome wide association. But, with the change of the data base, only six SNPs remained associated with the TGFBR2 gene. One of the six SNPs (rs6550004) was associated with development of KD. One SNP associated with CAL (rs1495592) was disassociated from the TGFBR2 gene. The other five SNPs were not functionally identified, but these SNPs are notable because the data base is changing. Further studies involving larger group of patients with KD are needed.
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Affiliation(s)
- Yu Mi Choi
- Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Seoul, Korea
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Kuo HC, Onouchi Y, Hsu YW, Chen WC, Huang JD, Huang YH, Yang YL, Chao MC, Yu HR, Juan YS, Kuo CM, Yang KD, Huang JS, Chang WC. Polymorphisms of transforming growth factor-β signaling pathway and Kawasaki disease in the Taiwanese population. J Hum Genet 2011; 56:840-5. [PMID: 22011813 DOI: 10.1038/jhg.2011.113] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Kawasaki disease (KD) is a systemic vasculitis associated with cardiovascular symptom. A previous study in the European descent has indicated that genetic variants of the transforming growth factor-β (TGF-β) pathway are involved in the KD susceptibility and clinical status. This study was conducted to investigate if polymorphisms in TGF-β signaling pathway are associated with KD susceptibility, and the coronary artery lesion formation. A total of 950 subjects (381 KD patients and 569 controls) were investigated to identify 12 single-nucleotide polymorphisms in the TGF-β signaling pathway (rs2796817, rs10482751, rs2027567, rs12029576, rs11466480, rs4776338, rs12901071, rs7162912, rs1438386, rs6494633, rs12910698 and rs4776339) by using TaqMan Allelic Discrimination assay. Our results indicated that rs1438386 in the SMAD3 is significantly associated with the susceptibility of KD. Additionally, both haplotypes of TGFβ2 and SMAD3 were also associated with the risk of KD. This study showed that genetic polymorphisms in TGF-β signaling pathway are associated with KD susceptibility, but not coronary artery lesions formation, or intravenous immunoglobulin treatment response in the Taiwanese population.
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Affiliation(s)
- Ho-Chang Kuo
- Division of Allergy, Immunology and Rheumatology, Department of Pedatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
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Abstract
Kawasaki disease (KD) is an acute febrile systemic vasculitis, and the cause of KD is not well understood. It is likely due to multiple interactions between genes and environmental factors. The development of genetic association and genome-wide association studies (GWAS) has opened an avenue to better understanding the molecular mechanisms underlying KD. A novel ITPKC signaling pathway was recently found to be responsible for the susceptibility to KD. Furthermore, the GWAS demonstrated the functionally related susceptibility loci for KD in the Caucasian population. In the last decade, the identification of several genomic regions linked to the pathogenesis of KD has made a major breakthrough in understanding the genetics of KD. This review will focus on genetic polymorphisms associated with KD and describe some of the possible clinical implications and molecular mechanisms that can be used to explain how genetic variants regulate the pathogenesis in KD.
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Iwaszko M, Bogunia-Kubik K. Clinical significance of the HLA-E and CD94/NKG2 interaction. Arch Immunol Ther Exp (Warsz) 2011; 59:353-67. [PMID: 21800130 DOI: 10.1007/s00005-011-0137-y] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2011] [Accepted: 04/26/2011] [Indexed: 11/26/2022]
Abstract
HLA-E belongs to the non-classical HLA (class Ib family) broadly defined by a limited polymorphism and a restricted pattern of cellular expression. So far, only two functional alleles differing at only one amino acid position (non-synonymous mutation) in the α2 heavy chain domain, where an arginine in position 107 in HLA-E*0101 is replaced by a glycine in HLA-E*0103, have been reported. The interaction between non-classical HLA-E molecule and CD94/NKG2A receptor plays a crucial role in the immunological response involving natural killer (NK) cells and cytotoxic T lymphocytes. All proteins forming CD94/NKG2 receptors are encoded by genes situated in the same cluster on chromosome 12, allowing tight control over the order of their expression. The inhibitory members of the NKG2 receptor family are available on the cell surface before activating the members to prevent autoimmune incidents during immune cells' ontogenesis. In the present review, the potential role of this interaction in viral infection, pregnancy and transplantation of allogeneic hematopoietic stem cells (HSC) is presented and discussed. The review will also include the effect of HLA-E polymorphism on the outcome of HSC transplants in humans.
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Affiliation(s)
- Milena Iwaszko
- L. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
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Hsieh YY, Chang CC, Hsu CM, Chen SY, Lin WH, Tsai FJ. Major histocompatibility complex class I chain-related gene polymorphisms: associated with susceptibility to Kawasaki disease and coronary artery aneurysms. Genet Test Mol Biomarkers 2011; 15:755-63. [PMID: 21815799 DOI: 10.1089/gtmb.2011.0001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Kawasaki disease (KD) involves a complex interaction of immunoinflammatory process, cytokine activation, and genetic factors. We aimed to investigate whether genetic variations in a major histocompatibility complex (MHC) class could be used as markers of susceptibility in KD and coronary artery aneurysm lesions (CALs). METHODS Individuals were divided into following groups: (1) normal controls; (2) KD with CAL; (3) KD without CAL. Polymorphisms for MHC class I chain-related genes A (MICA) (rs2301747, rs2256184, rs2848716), MICB (rs2855804, rs3132464, rs2516400), BAT3 (rs750332), MSH5 (rs1150793), and chromosome 6 open reading frame 27 (C6orf27, rs707928) were genotyped with polymerase chain reaction and the TaqMan(®) allelic discrimination assay. Genotypes, alleles, and haplotype in each group were compared. RESULTS Genotype and allele frequency of MICB*rs2516400 polymorphisms in each group were significantly different. MICB (rs2516400)*C-related genotypes/alleles are correlated with development of KD and CAL. Proportions of rs2516400*TT/TC/CC were (1) 1/39/60%, (2) 0/0/100%, and (3) 0/0/100%. Other single-nucleotide polymorphisms were not associated with KD susceptibilities. Haplotypes (rs2301747-rs2256184-rs2848716-rs2855804-rs3132464-rs2516400-rs750332-rs1150793-rs707928) G-G-G-C-T-C-T-A-A, C-A-G-T-T-C-T-A-A, and G-G-G-C-C-C-T-A-A were associated with higher susceptibilities for KD. The G-G-G-T-T-T-T-G-G and C-G-G-T-T-T-T-A-A haplotypes were associated with lower susceptibilities. CONCLUSION MICB*rs2516400 polymorphisms and some MHC class I-related haplotypes are associated with KD susceptibility. MICB and MHC class I genetic variations might contribute to the pathogenesis of KD and CAL.
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Affiliation(s)
- Yao-Yuan Hsieh
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan
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Tsai FJ, Lee YC, Chang JS, Huang LM, Huang FY, Chiu NC, Chen MR, Chi H, Lee YJ, Chang LC, Liu YM, Wang HH, Chen CH, Chen YT, Wu JY. Identification of novel susceptibility Loci for kawasaki disease in a Han chinese population by a genome-wide association study. PLoS One 2011; 6:e16853. [PMID: 21326860 PMCID: PMC3033903 DOI: 10.1371/journal.pone.0016853] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2010] [Accepted: 01/16/2011] [Indexed: 01/01/2023] Open
Abstract
Kawasaki disease (KD) is an acute systemic vasculitis syndrome that primarily affects infants and young children. Its etiology is unknown; however, epidemiological findings suggest that genetic predisposition underlies disease susceptibility. Taiwan has the third-highest incidence of KD in the world, after Japan and Korea. To investigate novel mechanisms that might predispose individuals to KD, we conducted a genome-wide association study (GWAS) in 250 KD patients and 446 controls in a Han Chinese population residing in Taiwan, and further validated our findings in an independent Han Chinese cohort of 208 cases and 366 controls. The most strongly associated single-nucleotide polymorphisms (SNPs) detected in the joint analysis corresponded to three novel loci. Among these KD-associated SNPs three were close to the COPB2 (coatomer protein complex beta-2 subunit) gene: rs1873668 (p = 9.52×10⁻⁵), rs4243399 (p = 9.93×10⁻⁵), and rs16849083 (p = 9.93×10⁻⁵). We also identified a SNP in the intronic region of the ERAP1 (endoplasmic reticulum amino peptidase 1) gene (rs149481, p(best) = 4.61×10⁻⁵). Six SNPs (rs17113284, rs8005468, rs10129255, rs2007467, rs10150241, and rs12590667) clustered in an area containing immunoglobulin heavy chain variable regions genes, with p(best)-values between 2.08×10⁻⁵ and 8.93×10⁻⁶, were also identified. This is the first KD GWAS performed in a Han Chinese population. The novel KD candidates we identified have been implicated in T cell receptor signaling, regulation of proinflammatory cytokines, as well as antibody-mediated immune responses. These findings may lead to a better understanding of the underlying molecular pathogenesis of KD.
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Affiliation(s)
- Fuu-Jen Tsai
- School of Chinese Medicine, China Medical University, Taichung, Taiwan
- Department of Medical Genetics, Medical Research and Pediatrics, China Medical University Hospital, Taichung, Taiwan
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
| | - Yi-Ching Lee
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- National Genotyping Center, Academia Sinica, Taipei, Taiwan
- Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
| | - Jeng-Sheng Chang
- Divisions of Cardiology, Department of Pediatrics, China Medical University and Hospital, Taichung, Taiwan
| | - Li-Min Huang
- Department of Pediatrics, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Fu-Yuan Huang
- Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan
| | - Nan-Chang Chiu
- Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan
| | - Ming-Ren Chen
- Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan
| | - Hsin Chi
- Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan
| | - Yann-Jinn Lee
- Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan
| | - Li-Ching Chang
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Yi-Min Liu
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Hsiang-Hua Wang
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Chien-Hsiun Chen
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- National Genotyping Center, Academia Sinica, Taipei, Taiwan
- Graduate Institute of Chinese Medical Science, China Medical University, Taichung, Taiwan
| | - Yuan-Tsong Chen
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- National Genotyping Center, Academia Sinica, Taipei, Taiwan
- Department of Pediatrics, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Jer-Yuarn Wu
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- National Genotyping Center, Academia Sinica, Taipei, Taiwan
- Graduate Institute of Chinese Medical Science, China Medical University, Taichung, Taiwan
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Ravindranath MH, Pham T, El-Awar N, Kaneku H, Terasaki PI. Anti-HLA-E mAb 3D12 mimics MEM-E/02 in binding to HLA-B and HLA-C alleles: Web-tools validate the immunogenic epitopes of HLA-E recognized by the antibodies. Mol Immunol 2011; 48:423-30. [PMID: 21145594 DOI: 10.1016/j.molimm.2010.09.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2010] [Revised: 07/29/2010] [Accepted: 09/17/2010] [Indexed: 01/08/2023]
Abstract
HLA-E shares several peptide sequences with HLA-class Ia molecules. Therefore, anti-HLA-E antibodies that recognize the shared sequences may bind to HLA-class Ia alleles. This hypothesis was validated with a murine anti-HLA-E monoclonal antibody (mAb) MEM-E/02, which reacted with microbeads coated with several HLA-B and HLA-C antigens. In this report, the hypothesis was reexamined with another mAb 3D12, considered to be specific for HLA-E. The antibody binding is evaluated by measuring mean fluorescence index [MFI] with Luminex Multiplex Flow-Cytometric technology. The peptide-inhibition experiments are carried out with synthetic shared peptides, most prevalent to HLA-E and HLA-Ia alleles. The results showed that mAb 3D12 simulated MEM-E/02 in recognizing several HLA-B and HLA-C antigens. Both 3D12 and MEM-E/02 did not bind to HLA-A, HLA-F and HLA-G molecules. As observed with MEM-E/02, binding of 3D12 to HLA-E is inhibited by the peptides sequences (115)QFAYDGKDY(123) and (137)DTAAQI(142). Decrease in binding of mAb 3D12 to HLA class Ia, after heat treatment of antigen coated microbeads, supports the contention that the epitope may be located at the outside of the "thermodynamically stable" α-helix conformations of HLA-E. Several sequence and structure-based web-tools were employed to validate the discontinuous epitopes recognized by the mAbs. The scores obtained by these web-tools distinguished the shared peptide sequences that inhibited the mAb binding to HLA-E. Furthermore, ElliPro web tool points out that both mAbs recognize the conformational discontinuous epitopes (the shared inhibitory peptide sequences) in the secondary structure of the HLA-E molecule. The study favors the contention that the domain of the shared inhibitory peptide sequences may be the most immunogenic site of HLA-E molecule. It also postulates and clarifies that amino acid substitution on or near the binding domains may account for the lack of cross reactivity of 3D12 and MEM-E/02 with HLA-A, HLA-F and HLA-G molecules.
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Affiliation(s)
- Mepur H Ravindranath
- Terasaki Foundation Laboratory, 11570 W Olympic Blvd, Los Angeles, CA 90064, United States.
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Hsieh YY, Lin YJ, Chang CC, Chen DY, Hsu CM, Wang YK, Hsu KH, Tsai FJ. Human lymphocyte antigen B-associated transcript 2, 3, and 5 polymorphisms and haplotypes are associated with susceptibility of Kawasaki disease and coronary artery aneurysm. J Clin Lab Anal 2010; 24:262-8. [PMID: 20626023 DOI: 10.1002/jcla.20409] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
CAPSULE HLA-B associated transcript (BAT) 2, 3, and 5 polymorphisms and haplotypes are associated with Kawasaki disease (KD) and coronary artery aneurysm (CAA) formations. OBJECTIVE KD, an acute vasculitis with unknown etiology, involves a complex interaction of immuno-inflammatory process, cytokines activation, and genetic factors. We aimed to investigate if genetic variants of human lymphocyte antigen (HLA)-BAT2, 3, and 5 (BAT2, 3, and 5) could be used as markers of susceptibility in KD and CAA. METHODS Individuals were divided into three groups: (1) normal controls; (2) KD with CAA; and (3) KD without CAA. Polymorphisms for BAT2 (-8671, 16483), BAT3 (8854, 2-24), and BAT5 (22655, 9569) were genotyped by PCR system with TaqMan allelic discrimination assay. Genotype/allelic frequencies and haplotypes (BAT2(-8671)-BAT2(16483)-BAT3(8854)-BAT3(2-24)-BAT5(22655)-BAT5(9569)) in each group were compared. RESULTS Genotype distribution and allele frequency of BAT2 -8671, BAT3 8854, and BAT5 22655, 9569 polymorphisms in each group were significantly different. BAT2 -8671*G, BAT3 8854*C, BAT5 22655*C, and 9569*A-related genotypes and alleles are correlated with the developments of KD and CAA. BAT haplotypes of ATTGTG and ATCATG are associated with higher susceptibilities of KD with CAA susceptibility. CONCLUSION BAT2 -8671, BAT3 8854, and BAT5 22655, 9569 polymorphisms as well as BAT haplotypes (ATTGTG and ATCATG) might be associated with higher KD susceptibility and CAA formation. HLA-B region polymorphisms might contribute to the pathogenesis of KD and CAA.
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Affiliation(s)
- Yao-Yuan Hsieh
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan
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Hsieh YY, Lin YJ, Chang CC, Chen DY, Hsu CM, Wang YK, Hsu KH, Tsai FJ. Human lymphocyte antigen B-associated transcript 2, 3, and 5 polymorphisms and haplotypes are associated with susceptibility of Kawasaki disease and coronary artery aneurysm. J Clin Lab Anal 2010. [PMID: 20626023 DOI: 10.1002/jcla.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
CAPSULE HLA-B associated transcript (BAT) 2, 3, and 5 polymorphisms and haplotypes are associated with Kawasaki disease (KD) and coronary artery aneurysm (CAA) formations. OBJECTIVE KD, an acute vasculitis with unknown etiology, involves a complex interaction of immuno-inflammatory process, cytokines activation, and genetic factors. We aimed to investigate if genetic variants of human lymphocyte antigen (HLA)-BAT2, 3, and 5 (BAT2, 3, and 5) could be used as markers of susceptibility in KD and CAA. METHODS Individuals were divided into three groups: (1) normal controls; (2) KD with CAA; and (3) KD without CAA. Polymorphisms for BAT2 (-8671, 16483), BAT3 (8854, 2-24), and BAT5 (22655, 9569) were genotyped by PCR system with TaqMan allelic discrimination assay. Genotype/allelic frequencies and haplotypes (BAT2(-8671)-BAT2(16483)-BAT3(8854)-BAT3(2-24)-BAT5(22655)-BAT5(9569)) in each group were compared. RESULTS Genotype distribution and allele frequency of BAT2 -8671, BAT3 8854, and BAT5 22655, 9569 polymorphisms in each group were significantly different. BAT2 -8671*G, BAT3 8854*C, BAT5 22655*C, and 9569*A-related genotypes and alleles are correlated with the developments of KD and CAA. BAT haplotypes of ATTGTG and ATCATG are associated with higher susceptibilities of KD with CAA susceptibility. CONCLUSION BAT2 -8671, BAT3 8854, and BAT5 22655, 9569 polymorphisms as well as BAT haplotypes (ATTGTG and ATCATG) might be associated with higher KD susceptibility and CAA formation. HLA-B region polymorphisms might contribute to the pathogenesis of KD and CAA.
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Affiliation(s)
- Yao-Yuan Hsieh
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan
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Liu O, Li JR, Gong M, Xu M, Du J, Zhang HJ. Genetic analysis of six SNPs in candidate genes associated with high cross-race risk of development of thoracic aortic aneurysms and dissections in Chinese Han population. Acta Pharmacol Sin 2010; 31:1376-80. [PMID: 20871623 DOI: 10.1038/aps.2010.159] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
AIM Genetic susceptibility is an important risk factor for aortic aneurysm and dissection. Recent case-control association studies have identified six single nucleotide polymorphisms (SNPs) associated with abdominal aortic aneurysm (AAA) in a Caucasian population. We aimed to determine whether these loci confer susceptibility to thoracic aortic dissection (TAD) in a Chinese Han population and thus to establish cross-race susceptibility to TAD. METHODS This study analyzed blood DNA isolated from 206 TAD patients and 180 controls from the ethnic Chinese Han population. Six SNPs - rs819146, rs8003379, rs2853523, rs326118, rs3788205, and rs10757278 - were genotyped using high-throughput matrix-assisted laser desorption ionization-time-of-flight (MALDI-TOF) mass spectrometry. RESULTS The A allele frequency for the SNP on 9p21, tagged as rs10757278, was higher in male TAD patients than in male controls (P=0.017). Moreover, with adjustment for traditional cardiovascular risk factors (sex, age, hypertension, dyslipidemia, diabetes, and smoking), the rs10757278 [odds ratio (OR) 0.63, 95% confidence interval (CI) 0.43 to 0.93] polymorphism was found to be an independent susceptibility factor for TAD in men. CONCLUSION Our results suggest that a sequence variant on 9p21 is an important susceptibility locus that confers high cross-race risk for development of TAD in Chinese Han population.
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Lin YT, Manlhiot C, Ching JCY, Han RK, Nield LE, Dillenburg R, Pepelassis D, Lai LS, Smythe JF, Chahal N, Yeung RSM, McCrindle BW. Repeated systematic surveillance of Kawasaki disease in Ontario from 1995 to 2006. Pediatr Int 2010; 52:699-706. [PMID: 20113416 DOI: 10.1111/j.1442-200x.2010.03092.x] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Rising incidences of Kawasaki disease (KD) have been reported worldwide. Reported herein are the results of 4 triennial KD surveillances conducted in Ontario. METHODS Between 1995 and 2006 all hospitals in Ontario were asked on 4 occasions to identify all patients with discharge diagnoses of KD and report incident cases. RESULTS The latest surveillance identified 697 new KD patients (100% response rate) for a total of 2378 KD patients through all 4 surveillances. Yearly incidence was 26.2/100,000 for <5 years old, 6.7/100,000 for 5-9 years old and 0.9/100,000 for 10-14 years old. KD incidence significantly increased from 1995 to 2006, although the increase seemed to plateau between the 3rd and 4th surveillance. There was an increase in the proportion of patients diagnosed with incomplete KD and a significant reduction in the rate of coronary artery abnormalities, possibly due to better disease recognition and treatment. Hospitals reporting <20 cases per surveillance were found to be more likely to report cases with incomplete KD. These patients were also less likely to be treated with i.v. immunoglobulin and aspirin but were more likely to be treated with antibiotics, suggesting uncertainties regarding diagnosis and management of KD patients in those centers. CONCLUSIONS The incidence of KD in Ontario is possibly one of the highest outside of Asia and has been rising since 1995. Although the most recent surveillance demonstrated improved cardiac outcomes, treatment delays or absence thereof continue to be a problem. Effective diagnosis and prompt treatment remain critical aspects of KD management.
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Affiliation(s)
- Yahui T Lin
- Labatt Family Heart Centre, Department of Pediatrics, University of Toronto, Hospital for Sick Children, Toronto, Ontario, Canada
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Ravindranath MH, Kaneku H, El-Awar N, Morales-Buenrostro LE, Terasaki PI. Antibodies to HLA-E in nonalloimmunized males: pattern of HLA-Ia reactivity of anti-HLA-E-positive sera. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2010; 185:1935-48. [PMID: 20610644 DOI: 10.4049/jimmunol.1000424] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Natural anti-HLA Abs found in sera of healthy nonalloimmunized males recognize HLA-Ia alleles parallel to those recognized by anti-HLA-E mAbs (MEM-E/02/06/07). Therefore, some of the HLA-Ia Abs seen in healthy males could be due to anti-HLA-E Abs cross-reacting with HLA-Ia. If anti-HLA-E Abs occur in healthy nonalloimmunized males, it can be assessed whether they evoke HLA-Ia reactivity as do mouse HLA-E mAbs. IgG and IgM Abs to HLA-E and HLA-Ia alleles are identified in sera of healthy males using microbeads coated with recombinant denatured HLA-E or a panel of rHLA-Ia alleles. The pattern of allelic recognition is comparable to that of anti-HLA-E mAbs. Sixty-six percent of the sera with HLA-E IgG have a high level of HLA-Ia IgG, whereas 70% of those with no anti-HLA-E Abs have no HLA-Ia Abs. HLA-E IgM/IgG ratios of sera are divided into four groups: IgM(Low)/IgG(Low), IgM(High)/IgG(Low), IgM(High)/IgG(High), and IgM(Low)/IgG(High). These groups correspond to anti-HLA-Ia IgM/IgG ratio groups. When HLA-E IgM and IgG are absent or present in males, the IgM or IgG of HLA-Ia are similarly absent or present. The mean fluorescent intensity of HLA-Ia Abs correlates with that of anti-HLA-E Abs. Most importantly, HLA-E and HLA-Ia reactivities of the sera are inhibited by the shared, but cryptic, peptide sequences (117)AYDGKDY(123) and (137)DTAAQIS(143). Therefore, Abs to the H chain of HLA-E may be responsible for some of the HLA-Ia allele reactivity of the natural HLA-Ia Ab in human sera. Absence of any anti-HLA-Ia Abs in 112 nonvegans and the presence of the same in vegans suggest that dietary meat proteins might not have induced the natural allo-HLA Abs.
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Huang YC, Lin YJ, Chang JS, Chen SY, Wan L, Sheu JJC, Lai CH, Lin CW, Liu SP, Chen CP, Tsai FJ. Single nucleotide polymorphism rs2229634 in the ITPR3 gene is associated with the risk of developing coronary artery aneurysm in children with Kawasaki disease. Int J Immunogenet 2010; 37:439-43. [DOI: 10.1111/j.1744-313x.2010.00943.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Sheu JJ, Lin YJ, Chang JS, Wan L, Chen SY, Huang YC, Chan C, Chiu IW, Tsai FJ. Association of COL11A2 polymorphism with susceptibility to Kawasaki disease and development of coronary artery lesions. Int J Immunogenet 2010; 37:487-92. [DOI: 10.1111/j.1744-313x.2010.00952.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Involvement of tryptophan hydroxylase 2 (TPH2) gene polymorphisms in susceptibility to coronary artery lesions in Korean children with Kawasaki disease. Eur J Pediatr 2010; 169:457-61. [PMID: 19763617 DOI: 10.1007/s00431-009-1056-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2009] [Accepted: 08/26/2009] [Indexed: 02/01/2023]
Abstract
Kawasaki disease (KD) is an acute vasculitis of childhood that predominantly affects the coronary arteries. We investigated single nucleotide polymorphisms (SNPs) of the tryptophan hydroxylase 2 (TPH2) gene as risk factors for KD with coronary artery lesions (CALs) in Korean children. We genotyped two SNPs [rs7305115 (exon 7) and rs4290270 (exon 9)] using direct sequencing in 101 KD and 256 control subjects. To analyze the genetic data, SNPStats, SNPAnalyzer, and Helixtree programs were used. The genotype analysis of rs7305115 and rs4290270 showed no significant differences between KD and control groups. However, we found a statistically significant association between the two SNPs and the development of CALs in KD (p < 0.05). The minor homozygous genotype (rs7305115, AA genotype and rs42901270, AA genotype) of each SNP showed increased susceptibility to risk of CALs in KD patients. These results suggest that TPH2 may be associated with the development of KD with CALs in Korean children.
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