1
|
Mahroum N, Seida R, Shoenfeld Y. Triggers and regulation: the gut microbiome in rheumatoid arthritis. Expert Rev Clin Immunol 2023; 19:1449-1456. [PMID: 37712213 DOI: 10.1080/1744666x.2023.2260103] [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: 06/03/2023] [Revised: 08/15/2023] [Accepted: 09/13/2023] [Indexed: 09/16/2023]
Abstract
INTRODUCTION Rheumatoid arthritis is a chronic inflammatory disease marked by systemic symptoms and joint degeneration. Interestingly, the development and progression of rheumatoid arthritis have been linked to the microbiome, notably the gut microbiome. Dysbiosis, an alteration in the gut microbiome, has been connected to the etiology and pathogenesis of rheumatoid arthritis. For instance, dysbiosis increases intestinal permeability and promotes the movement of bacteria and their products, which in turn triggers and aggravates systemic inflammation. AREAS COVERED The correlation between the gut microbiome and RA. Triggers of RA including dysbiosis. The therapeutic potential of the gut microbiome in RA due to its critical function in influencing the immune response. The fecal microbiota transplantation (FMT), a therapeutic strategy that involves the transfer of healthy fecal microbiota from a donor to a recipient, has produced encouraging results in the treatment of several autoimmune illnesses, including rheumatoid arthritis. EXPERT OPINION The role of the gut microbiome in RA is critical and serves as a basis for etiology and pathogenesis, as well as having therapeutic implications. In our opinion, FMT is an excellent example of this correlation. Still, more investigations and well-designed studies are needed in order to make firm conclusions and recommendations.
Collapse
Affiliation(s)
- Naim Mahroum
- International School of Medicine, Istanbul Medipol University, Istanbul, Turkey
| | - Ravend Seida
- International School of Medicine, Istanbul Medipol University, Istanbul, Turkey
| | - Yehuda Shoenfeld
- Zabludowicz Center for autoimmune diseases, Sheba Medical Center, Ramat-Gan, Israel
| |
Collapse
|
2
|
Abbasifard M, Imani D, Bagheri-Hosseinabadi Z. PTPN22 gene polymorphism and susceptibility to rheumatoid arthritis (RA): Updated systematic review and meta-analysis. J Gene Med 2020; 22:e3204. [PMID: 32333475 DOI: 10.1002/jgm.3204] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 02/13/2020] [Accepted: 04/12/2020] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Several genome-wide association studies have revealed a genetic background with respect to susceptibility to rheumatoid arthritis (RA). Although several individual case-control studies have evaluated the role of protein tyrosine phosphatase non-receptor 22 (PTPN22) gene rs2476601 single nucleotide polymorphism (SNP) in conferring a risk for RA, the results have been conflicting. Hence, this meta-analysis was aimed to provide a solution for this issue. METHODS To search for studies assessing the association between the PTPN22 gene rs2476601 SNP and the risk of RA, a systematic search was conducted in the main databases, including PubMed, Scopus and Web of Science, prior to December 2019. The odds ratio (OR) and corresponding 95% confidence interval (CI) was calculated to assess the possibility of association risk. RESULTS The literature search identified 52 case-control studies. The pooled analysis detected significant positive association of rs2476601 in all genetic models, including dominant model (OR = 1.69, 95% CI = 1.55-1.84, P < 0.001), recessive model (OR = 2.50, 95% CI = 2.06-3.05, P < 0.001), allelic model (OR = 1.80, 95% CI = 1.60-2.2, P < 0.001), TT versus CC model (OR = 2.79, 95% CI = 2.28-3.41, P < 0.001) and CT versus CC model (OR = 1.59, 95% CI = 1.50-1.67, P < 0.001). Analyses based on population stratification indicated that rs2476601 SNP strongly increased the risk of RA in Caucasians and Africans under all genotype models. CONCLUSIONS This meta-analysis reports that the PTPN22 gene rs2476601 SNP increases RA risk, especially in Caucasians and Africans.
Collapse
Affiliation(s)
- Mitra Abbasifard
- Department of internal Medicine, Ali-Ibn Abi-Talib hospital, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.,Rheumatology Research Center, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Danyal Imani
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Zahra Bagheri-Hosseinabadi
- Department of Clinical Biochemistry, Faculty of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| |
Collapse
|
3
|
Update on the Pathomechanism, Diagnosis, and Treatment Options for Rheumatoid Arthritis. Cells 2020; 9:cells9040880. [PMID: 32260219 PMCID: PMC7226834 DOI: 10.3390/cells9040880] [Citation(s) in RCA: 395] [Impact Index Per Article: 98.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 03/28/2020] [Accepted: 03/30/2020] [Indexed: 12/18/2022] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease that involves multiple joints bilaterally. It is characterized by an inflammation of the tendon (tenosynovitis) resulting in both cartilage destruction and bone erosion. While until the 1990s RA frequently resulted in disability, inability to work, and increased mortality, newer treatment options have made RA a manageable disease. Here, great progress has been made in the development of disease-modifying anti-rheumatic drugs (DMARDs) which target inflammation and thereby prevent further joint damage. The available DMARDs are subdivided into (1) conventional synthetic DMARDs (methotrexate, hydrochloroquine, and sulfadiazine), (2) targeted synthetic DMARDs (pan-JAK- and JAK1/2-inhibitors), and (3) biologic DMARDs (tumor necrosis factor (TNF)-α inhibitors, TNF-receptor (R) inhibitors, IL-6 inhibitors, IL-6R inhibitors, B cell depleting antibodies, and inhibitors of co-stimulatory molecules). While DMARDs have repeatedly demonstrated the potential to greatly improve disease symptoms and prevent disease progression in RA patients, they are associated with considerable side-effects and high financial costs. This review summarizes our current understanding of the underlying pathomechanism, diagnosis of RA, as well as the mode of action, clinical benefits, and side-effects of the currently available DMARDs.
Collapse
|
4
|
Nabi G, Akhter N, Wahid M, Bhatia K, Mandal RK, Dar SA, Jawed A, Haque S. Meta-analysis reveals PTPN22 1858C/T polymorphism confers susceptibility to rheumatoid arthritis in Caucasian but not in Asian population. Autoimmunity 2016; 49:197-210. [PMID: 26763276 DOI: 10.3109/08916934.2015.1134514] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The PTPN22 1858C/T polymorphism is associated with rheumatoid arthritis (RA). However, reports from the Asian populations are conflicting in nature and lacks consensus. The aim of our study was to evaluate the association between the PTPN22 1858C/T polymorphism and RA in Asian and Caucasian subjects by carrying out a meta-analysis of Asian and Caucasian data. A total of 27 205 RA cases and 27 677 controls were considered in the present meta-analysis involving eight Asian and 35 Caucasian studies. The pooled odds ratios (ORs) were performed for the allele, dominant, and recessive genetic model. No statistically significant association was found between the PTPN22 1858C/T polymorphism and risk of RA in Asian population (allele genetic model: OR = 1.217, 95% confidence interval (CI) = 0.99-1.496, p value 0.061; dominant genetic model: OR = 1.238, 95% CI = 0.982-1.562, p value 0.071; recessive genetic model: OR = 1.964, 95% CI = 0.678-5.693, p value 0.213). A significant association with risk of RA in Caucasian population suggesting that T-- allele does confer susceptibility to RA in this subgroup was observed (allele genetic model: OR = 1.638, 95% CI = 1.574-1.705, p value < 0.0001; dominant genetic model: OR = 1.67, 95% CI = 1.598-1.745, p value < 0.0001; recessive genetic model: OR = 2.65, 95% CI = 2.273-3.089, p value < 0.0001). The PTPN22 1858C/T polymorphism is not associated with RA risk in Asian populations. However, our meta-analysis confirms that the PTPN22 1858C/T polymorphism is associated with RA susceptibility in Caucasians.
Collapse
Affiliation(s)
- Gowher Nabi
- a Molecular Genetics Laboratory, Department of Medical Lab Technology, College of Applied Medical Sciences, Jazan University , Jazan , Saudi Arabia
| | - Naseem Akhter
- b Department of Laboratory Medicine , Faculty of Applied Medical Sciences, Albaha University , Albaha , Saudi Arabia
| | - Mohd Wahid
- c Research and Scientific Studies Unit , College of Nursing & Allied Health Sciences, Jazan University , Jazan , Saudi Arabia , and
| | - Kanchan Bhatia
- d Department of Biological Sciences , Rabigh College of Science and Arts, King Abdulaziz University , Rabigh , Jeddah , Saudi Arabia
| | - Raju Kumar Mandal
- c Research and Scientific Studies Unit , College of Nursing & Allied Health Sciences, Jazan University , Jazan , Saudi Arabia , and
| | - Sajad Ahmad Dar
- c Research and Scientific Studies Unit , College of Nursing & Allied Health Sciences, Jazan University , Jazan , Saudi Arabia , and
| | - Arshad Jawed
- c Research and Scientific Studies Unit , College of Nursing & Allied Health Sciences, Jazan University , Jazan , Saudi Arabia , and
| | - Shafiul Haque
- c Research and Scientific Studies Unit , College of Nursing & Allied Health Sciences, Jazan University , Jazan , Saudi Arabia , and
| |
Collapse
|
5
|
Elshazli R, Settin A. Association of PTPN22 rs2476601 and STAT4 rs7574865 polymorphisms with rheumatoid arthritis: A meta-analysis update. Immunobiology 2015; 220:1012-24. [PMID: 25963842 DOI: 10.1016/j.imbio.2015.04.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2015] [Accepted: 04/20/2015] [Indexed: 12/14/2022]
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a common autoimmune disease with a complex genetic background. The genes encoding protein tyrosine phosphatase non-receptor type 22 (PTPN22) and signal transducer and activator of transcription 4 (STAT4) have been reported to be associated with RA in several ethnic populations. OBJECTIVES This work aims to assess the association between PTPN22 rs2476601 and STAT4 rs7574865 polymorphisms with RA susceptibility through an updated meta-analysis of available case-control studies. METHODS A literature search of all relevant studies published from January 2007 up to December 2014 was conducted using Pubmed and Science Direct databases. The observed studies that were related to an association between PTPN22 rs2476601 and STAT4 rs7574865 polymorphisms with RA susceptibility were identified. Meta-analysis of the pooled and stratified data was done and assessed using varied genetic models. RESULTS Thirty-seven case-control studies with a total of 47 comparisons (29 for PTPN22 rs2476601 polymorphism and 18 for STAT4 rs7574865 polymorphism) met our inclusion criteria. The meta-analysis showed an association between PTPN22 T allele, CT+TT and TT genotypes with RA susceptibility. Furthermore, The meta-analysis showed an association between STAT4 T allele, GT+TT and TT genotypes with RA susceptibility. Stratification of RA patients according to ethnic groups showed that PTPN22 T allele, CT+TT genotypes, STAT4 T allele and STAT4 GT+TT were significantly associated with RA in European, Asian, African subjects, while PTPN22 TT genotype was significantly associated with RA in European but not in Asian and African subjects and STAT4 TT genotype was significantly associated with RA in European and Asian but not in African subject. A subgroup analysis according to the presence or absence of rheumatoid factor (RF) and anti-cyclic citrullinated peptide (anti-CCP) antibodies revealed that the association between PTPN22 rs2476601 and STAT4 rs7574865 polymorphisms with RA susceptibility may not be dependent on RF and anti-CCP antibodies. CONCLUSIONS Our meta-analysis demonstrated that PTPN22 rs2476601 and STAT4 rs7574865 polymorphisms confers susceptibility to RA in total subjects and in major ethnic groups. The association may not be dependent on RF and anti-CCP antibodies.
Collapse
Affiliation(s)
- Rami Elshazli
- Department of Biochemistry, Faculty of Science, Tanta University, Tanta, Egypt.
| | - Ahmad Settin
- Genetics Unit, Children Hospital, Mansoura University, Mansoura, Egypt
| |
Collapse
|
6
|
Salesi M, Boroujeni GT, Salehi M, Karimzadeh H. Assessment of protein tyrosine phosphatases number 22 polymorphism prevalence among rheumatoid arthritis patients: A study on Iranian patients. Adv Biomed Res 2014; 3:218. [PMID: 25371875 PMCID: PMC4219214 DOI: 10.4103/2277-9175.143294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2013] [Accepted: 05/07/2013] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND It has been proposed that Trp (620) allotype of protein tyrosine phosphatases number 22 (PTPN22) gene can intensify the susceptibility to rheumatoid arthritis (RA) and other autoimmune diseases. Thus, in this study, the prevalence of this polymorphism has been surveyed among RA patients compared with healthy persons. The samples were selected from Isfahan province (one of the most populated area of Iran). MATERIALS AND METHODS In this study, 100 patients (case group) and 100 healthy persons (control group) were participated voluntarily. The case group was selected from people who had referred to the rheumatology clinic of AlZahra University Hospital to follow-up their treatment and change their drugs dosage. The control group members, who were living in Isfahan province, mutually had similar age with patients. On a total, 22% of the case group was male and 75% of the control group was female. DNA was extracted from the blood sample of all cases and controls and the PTPN22 single nucleotide polymorphism (SNP) C1858> T gene polymorphism were studied using the polymerase chain reaction-restriction fragment length polymorphism method. RESULTS PTPN22 SNP C1858> T gene polymorphism was observed in 11 persons (11%) of the case group and 8 persons (8%) of the control group. CONCLUSION The results show that the difference was not statistically significant in Isfahan RA population (P = 0.47; OR = 1.42; 95% CI 0.55-3.69). Although, another study on Iranian population had shown that this polymorphism confers susceptibility to RA.
Collapse
Affiliation(s)
- Mansour Salesi
- Division of Rheumatology, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Mansoor Salehi
- Division of Genetics, Medical School, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hadi Karimzadeh
- Division of Rheumatology, Isfahan University of Medical Sciences, Isfahan, Iran
| |
Collapse
|
7
|
Salama A, Elshazli R, Elsaid A, Settin A. Protein tyrosine phosphatase non-receptor type 22 (PTPN22) +1858 C>T gene polymorphism in Egyptian cases with rheumatoid arthritis. Cell Immunol 2014; 290:62-5. [DOI: 10.1016/j.cellimm.2014.05.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Revised: 04/26/2014] [Accepted: 05/09/2014] [Indexed: 12/17/2022]
|
8
|
Akbas H, Dertlioglu SB, Dilmec F, Atay AE. Lack of Association between PTPN22 Gene +1858 C>T Polymorphism and Susceptibility to Generalized Vitiligo in a Turkish Population. Ann Dermatol 2014; 26:88-91. [PMID: 24648691 PMCID: PMC3956800 DOI: 10.5021/ad.2014.26.1.88] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2013] [Revised: 02/03/2013] [Accepted: 02/20/2013] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Vitiligo is an autoimmune polygenic disorder characterized by loss of pigmentation due to melanocyte destruction. The PTPN22 gene +1858 C>T single nucleotide polymorphism (rs2476601) has been shown to be associated with various autoimmune disorders. OBJECTIVE The aim of this study was to investigate whether the PTPN22 gene +1858 C>T single nucleotide polymorphism is associated with susceptibility to generalized vitiligo in a Turkish population. METHODS One hundred and seven patients with generalized vitiligo, and one hundred and twelve gender-, age-, and ethnic-matched controls were enrolled in the study. Genotyping was done by polymerase chain reaction-restriction fragment length polymorphism. RESULTS The PTPN22 +1858 C>T genotype and allele frequencies of the generalized vitiligo patients did not differ significantly from those of healthy controls. CONCLUSION We found no association between the PTPN22 +1858 C>T gene polymorphism and vitiligo susceptibility in Turkish generalized-vitiligo patients.
Collapse
Affiliation(s)
- Halit Akbas
- Department of Medical Biology, Medical Faculty, University of Harran, Sanliurfa, Turkey
| | | | - Fuat Dilmec
- Department of Medical Biology, Medical Faculty, University of Harran, Sanliurfa, Turkey
| | - Ahmet Engin Atay
- Department of Internal Medicine, Bagcilar Education and Research, İstanbul, Turkey
| |
Collapse
|
9
|
Nagy ZB, Csanád M, Tóth K, Börzsönyi B, Demendi C, Rigó J, Joó JG. Current concepts in the genetic diagnostics of rheumatoid arthritis. Expert Rev Mol Diagn 2014; 10:603-18. [PMID: 20629510 DOI: 10.1586/erm.10.36] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Zsolt B Nagy
- Nagy Gene Diagnostics and Research LTD, 1054 Budapest, Petofi tér 3, Hungary
| | | | | | | | | | | | | |
Collapse
|
10
|
Hashemi M, Atabaki M, Daneshvar H, Zakeri Z, Eskandari-Nasab E. Association of PTPN22 rs2476601 and EGFR rs17337023 Gene polymorphisms and rheumatoid arthritis in Zahedan, Southeast Iran. Int J Immunogenet 2013; 40:299-305. [PMID: 23350658 DOI: 10.1111/iji.12038] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Revised: 10/28/2012] [Accepted: 12/12/2012] [Indexed: 12/15/2022]
Abstract
In this study we aimed to evaluate the possible association of PTPN22 rs2476601 as well as epidermal growth factor receptor (EGFR) rs17337023 gene polymorphism and rheumatoid arthritis (RA) in a sample of Iranian population. This case-control study was performed on 120 patients with RA and 120 healthy subjects. Genomic DNA was extracted from whole blood and PTPN22 rs2476601 and EGFR rs17337023 polymorphisms were determined using tetra amplification refractory mutation system-polymerase chain reaction (T-ARMS-PCR). The results showed that PTPN22 rs2476601 CT genotype as well as rs2476601 T allele was a risk factor for susceptibility to RA (OR=5.89 95%CI = 1.78-19.48, P = 0.004 and OR = 4.78, 95%CI = 1.59-14.35, P = 0.003, respectively). We also found that EGFR rs17337023 AT and rs17337023 TT genotypes were risk factor for susceptibility to RA (OR = 9.94 95%CI = 3.65-26.73, P < 0.001 and OR = 3.66, 95%CI = 1.46-9.15, P = 0.005, respectively). In addition the EGFR rs17337023 T allele was a risk for predisposition to RA (OR = 1.56, 95%CI=1.06-2.30, P = 0.030). In conclusion, we found an association between PTPN22 rs2476601 and EGFR rs17337023 polymorphisms and the risk of RA in a sample of Iranian population.
Collapse
Affiliation(s)
- M Hashemi
- Cellular and Molecular Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.
| | | | | | | | | |
Collapse
|
11
|
Meta-analysis reveals an association of PTPN22 C1858T with autoimmune diseases, which depends on the localization of the affected tissue. Genes Immun 2012; 13:641-52. [DOI: 10.1038/gene.2012.46] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
12
|
The +1858C/T PTPN22 gene polymorphism confers genetic susceptibility to rheumatoid arthritis in Mexican population from the Western Mexico. Immunol Lett 2012; 147:41-6. [PMID: 22743847 DOI: 10.1016/j.imlet.2012.05.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2012] [Revised: 05/23/2012] [Accepted: 05/31/2012] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Rheumatoid arthritis (RA) is a common autoimmune disease with a complex genetic background. The PTPN22 gene encodes lymphoid tyrosine phosphatase LYP, a potent negative regulator of T cell activation. Polymorphic variants of this gene have previously been associated with various autoimmune disorders. The +1858C/T single-nucleotide polymorphism (SNP) (rs2476601), in the exon 14 of the PTPN22 gene has been associated with susceptibility to RA in several population. OBJECTIVE The aim of this work was to investigate whether the +1858C/T of the PTPN22 gene is associated with susceptibility to RA in Western Mexico population. METHODS A total of 309 unrelated RA patients, classified according to American College of Rheumatology (ACR) 1987 criteria, as well as 347 controls residents from Western Mexico were recruited for this study. The DNA samples were genotyped for +1858C/T PTPN22 gene SNP using the PCR-RFLP technique. Antibodies to cyclic citrullinated peptides (anti-CCP) were measured by enzyme-linked immunosorbent assay (ELISA). RESULTS The frequency of +1858T risk allele was significantly increased in patients with RA compared with controls (p=0.001, OR=2.83, 95%CI=1.50-5.32). To confirm this results we established a comparison between subjects carrying of CT+TT genotypes versus those carrying CC genotype, between both groups (p=0.004, OR=2.65, 95%CI=1.33-5.36). Nevertheless, we not observed association of the +1858C/T PTPN22 gene SNP with clinical activity and functional disability in RA patients. Likewise, the +1858T variant in RA patients seropositive for anti-CCP antibodies, increased the risk for RA (p=0.008, OR=2.5, 95%CI=1.3-5.0) when we compared with controls; however, in the group of seronegative patients, no was found significant difference (p=0.1, OR=2.5, 95%CI=0.9-7.2). CONCLUSIONS Our results support the association of the +1858T risk allele of the +1858C/T PTPN22 polymorphism with susceptibility to RA and confirm that, in combination with anti-CCP antibodies, this SNP influence the autoimmune processes towards a development of RA in Mexican population.
Collapse
|
13
|
Brzoza Z, Grzeszczak W, Rogala B, Trautsolt W, Moczulski D. PTPN22 polymorphism presumably plays a role in the genetic background of chronic spontaneous autoreactive urticaria. Dermatology 2012; 224:340-5. [PMID: 22722472 DOI: 10.1159/000339332] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 05/04/2012] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND The association of chronic urticaria (CU) with autoimmune disorders is relatively well proved. Protein tyrosine phosphatase-22 (PTPN22) is considered to be one of the strongest genetic factors for human autoimmunity. We decided to evaluate whether additional, non 1858C>T, PTPN22 variants are independent contributors to the risk of CU occurrence in the Polish population. METHODS A total of 91 CU patients with a positive result of autologous serum skin test and 100 healthy volunteers were enrolled in the study. The Urticaria Activity Score was used in disease intensity assessment. In all subjects rs3811021, rs1310182 and rs2488457 polymorphisms were genotyped. RESULTS We found a higher prevalence of -1123 C allele among CU patients. No differences in the allele and genotype distribution were found in the other analyzed polymorphisms. Haplotype construction of the three SNPs revealed statistically significant CU association of rs2488457C, rs1310182T and rs3811021T. CONCLUSIONS Contrary to previous findings, the contribution of PTPN22 to disease susceptibility is suggested. We can speculate that CU is a genetically complex disease and that its occurrence needs multiple genetic and environmental risk factors.
Collapse
Affiliation(s)
- Z Brzoza
- Chair and Clinical Department of Internal Diseases, Allergology and Clinical Immunology, Medical University of Silesia, ul. Ceglana 35, Katowice, Poland.
| | | | | | | | | |
Collapse
|
14
|
Nong LM, Ren KW, Xu NW, Zhou D. 1858 C/T Polymorphism of the Protein Tyrosine Phosphatase Nonreceptor 22 Gene and Rheumatoid Arthritis Risk in Europeans: A Meta-analysis. Arch Med Res 2011; 42:698-702. [DOI: 10.1016/j.arcmed.2011.12.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2011] [Accepted: 12/05/2011] [Indexed: 11/26/2022]
|
15
|
Totaro MC, Tolusso B, Napolioni V, Faustini F, Canestri S, Mannocci A, Gremese E, Bosello SL, Alivernini S, Ferraccioli G. PTPN22 1858C>T polymorphism distribution in Europe and association with rheumatoid arthritis: case-control study and meta-analysis. PLoS One 2011; 6:e24292. [PMID: 21949702 PMCID: PMC3174938 DOI: 10.1371/journal.pone.0024292] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2011] [Accepted: 08/03/2011] [Indexed: 11/20/2022] Open
Abstract
Objective The PTPN22 rs2476601 polymorphism is associated with rheumatoid arthritis (RA); nonetheless, the association is weaker or absent in some southern European populations. The aim of the study was to evaluate the association between the PTPN22 rs2476601 polymorphism and RA in Italian subjects and to compare our results with those of other European countries, carrying out a meta-analysis of European data. Methods A total of 396 RA cases and 477 controls, all of Italic ancestry, were genotyped for PTPN22 rs2476601 polymorphism. Patients were tested for autoantibodies positivity. The meta-analysis was performed on 23 selected studies. Results The PTPN22 T1858 allele was significantly more frequent in RA patients compared to controls (5.7% vs. 3.7%, p = 0.045). No clear relationship arose with the autoantibodies tested. The 1858T allele frequency in Italian RA patients was lower than the one described in northern European populations and similar to the frequency found in Spain, Turkey, Greece, Tunisia. A clear-cut North-South gradient arose from the analysis. Conclusions The PTPN22 T1858 allele is associated with RA in the Italian population. A North-South gradient of the allele frequency seems to exist in Europe, with a lower prevalence of the mutation in the Mediterranean area.
Collapse
Affiliation(s)
- Michele Ciro Totaro
- Division of Rheumatology, Catholic University of the Sacred Heart, Rome, Italy
| | | | | | | | | | | | | | | | | | | |
Collapse
|
16
|
Majorczyk E, Pawlik A, Kuśnierczyk P. PTPN22 1858C>T polymorphism is strongly associated with rheumatoid arthritis but not with a response to methotrexate therapy. Int Immunopharmacol 2010; 10:1626-9. [PMID: 20888443 DOI: 10.1016/j.intimp.2010.09.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2010] [Revised: 09/15/2010] [Accepted: 09/15/2010] [Indexed: 01/06/2023]
Abstract
PTPN22 (protein tyrosine phosphatase non-receptor type 22) 1858C>T single-nucleotide polymorphism (SNP) is one of the genetic risk factors of rheumatoid arthritis (RA). However, its role in the response of RA patients to therapy is not known. We examined a possible association of this SNP with a response of RA patients to methotrexate (MTX) treatment. RA was diagnosed in 371 patients according to the American College of Rheumatology (ACR) criteria. All 371 patients were typed for PTPN22 1858C>T SNP. Clinical data for 308 patients treated with MTX were available. Clinical improvement was evaluated according to the ACR 20% response criteria. Five hundred and forty three unrelated healthy individuals served as a control group. DNA was isolated from venous blood and 1858C>T SNP was established by polymerase chain reaction followed by restriction fragment length polymorphism using XcmI digestion. One hundred and seventy four patients responded to MTX with remission of symptoms, whereas 134 individuals were not responding. Although 78.6% of patients with 1858TT genotype responded to MTX in contrast to 49.5% and 58.1% of CT and CC genotype bearers, respectively, this difference was nonsignificant due to very low numbers of TT homozygotes in both groups of patients. We confirmed strong association of 1858T allele with RA and with a disease limited to joints, but did not observe any association with a lack of rheumatoid factor, described earlier for a smaller population sample. However, the response of RA patients to MTX treatment does not seem to depend on this SNP.
Collapse
Affiliation(s)
- Edyta Majorczyk
- Laboratory of Immunogenetics and Tissue Immunology, Department of Clinical Immunology, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland.
| | | | | |
Collapse
|
17
|
Stene LC, Rønningen KS, Bjørnvold M, Undlien DE, Joner G. An inverse association between history of childhood eczema and subsequent risk of type 1 diabetes that is not likely to be explained by HLA-DQ, PTPN22, or CTLA4 polymorphisms. Pediatr Diabetes 2010; 11:386-93. [PMID: 19895409 DOI: 10.1111/j.1399-5448.2009.00605.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
BACKGROUND Established genetic susceptibility loci for type 1 diabetes are important in immune regulation and may play a role also in atopic disorders, potentially explaining the inverse association between childhood eczema and subsequent risk for type 1 diabetes previously reported. OBJECTIVE We aimed to directly assess whether HLA-DQ, CTLA4, and PTPN22 genes could explain the putative association between childhood eczema and lower subsequent risk of type 1 diabetes observed in several case-control studies. METHODS We designed a case-control study with 339 incident cases of type 1 diabetes identified in the Norwegian childhood diabetes registry, and 985 population-based control children. DNA was collected, and physician-diagnosed childhood eczema was ascertained by a questionnaire administered to the parents of children with and without type 1 diabetes. RESULTS The previously reported association between childhood eczema and lower risk of type 1 diabetes was confirmed (odds ratio,OR, 0.61, 95% confidence interval, CI, 0.40-0.95] and this was consistent in subgroups defined by HLA-DQ, CTLA4, and PTPN22 genotypes. The OR was essentially not influenced by adjustment for genetic variation at these loci (OR simultaneously adjusted for the three genetic loci: 0.55, 95% CI: 0.32-0.92). The ratio of the unadjusted to adjusted OR was 1.12, with a corresponding 95% CI from 0.84 to 1.50. CONCLUSION In this first study of its kind, we demonstrated directly that the observed inverse association between childhood eczema and type 1 diabetes is not likely to be explained by the established diabetes susceptibility genes HLA-DQ, CTLA4, or PTPN22.
Collapse
Affiliation(s)
- Lars C Stene
- Division of Epidemiology, Norwegian Institute of Public Health, NO-0403 Oslo, Norway.
| | | | | | | | | |
Collapse
|
18
|
Barton A, Worthington J. Genetic susceptibility to rheumatoid arthritis: An emerging picture. ACTA ACUST UNITED AC 2009; 61:1441-6. [DOI: 10.1002/art.24672] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
|
19
|
Bibliography. Current world literature. Genetics and epidemiology. Curr Opin Allergy Clin Immunol 2008; 8:489-93. [PMID: 18769207 DOI: 10.1097/aci.0b013e32830f1c83] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|