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Dogaru CB, Duță C, Muscurel C, Stoian I. "Alphabet" Selenoproteins: Implications in Pathology. Int J Mol Sci 2023; 24:15344. [PMID: 37895024 PMCID: PMC10607139 DOI: 10.3390/ijms242015344] [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: 09/15/2023] [Revised: 10/08/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023] Open
Abstract
Selenoproteins are a group of proteins containing selenium in the form of selenocysteine (Sec, U) as the 21st amino acid coded in the genetic code. Their synthesis depends on dietary selenium uptake and a common set of cofactors. Selenoproteins accomplish diverse roles in the body and cell processes by acting, for example, as antioxidants, modulators of the immune function, and detoxification agents for heavy metals, other xenobiotics, and key compounds in thyroid hormone metabolism. Although the functions of all this protein family are still unknown, several disorders in their structure, activity, or expression have been described by researchers. They concluded that selenium or cofactors deficiency, on the one hand, or the polymorphism in selenoproteins genes and synthesis, on the other hand, are involved in a large variety of pathological conditions, including type 2 diabetes, cardiovascular, muscular, oncological, hepatic, endocrine, immuno-inflammatory, and neurodegenerative diseases. This review focuses on the specific roles of selenoproteins named after letters of the alphabet in medicine, which are less known than the rest, regarding their implications in the pathological processes of several prevalent diseases and disease prevention.
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Affiliation(s)
| | | | - Corina Muscurel
- Department of Biochemistry, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania (I.S.)
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Schomburg L. Selenium Deficiency Due to Diet, Pregnancy, Severe Illness, or COVID-19-A Preventable Trigger for Autoimmune Disease. Int J Mol Sci 2021; 22:8532. [PMID: 34445238 PMCID: PMC8395178 DOI: 10.3390/ijms22168532] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 07/30/2021] [Accepted: 08/06/2021] [Indexed: 12/11/2022] Open
Abstract
The trace element selenium (Se) is an essential part of the human diet; moreover, increased health risks have been observed with Se deficiency. A sufficiently high Se status is a prerequisite for adequate immune response, and preventable endemic diseases are known from areas with Se deficiency. Biomarkers of Se status decline strongly in pregnancy, severe illness, or COVID-19, reaching critically low concentrations. Notably, these conditions are associated with an increased risk for autoimmune disease (AID). Positive effects on the immune system are observed with Se supplementation in pregnancy, autoimmune thyroid disease, and recovery from severe illness. However, some studies reported null results; the database is small, and randomized trials are sparse. The current need for research on the link between AID and Se deficiency is particularly obvious for rheumatoid arthritis and type 1 diabetes mellitus. Despite these gaps in knowledge, it seems timely to realize that severe Se deficiency may trigger AID in susceptible subjects. Improved dietary choices or supplemental Se are efficient ways to avoid severe Se deficiency, thereby decreasing AID risk and improving disease course. A personalized approach is needed in clinics and during therapy, while population-wide measures should be considered for areas with habitual low Se intake. Finland has been adding Se to its food chain for more than 35 years-a wise and commendable decision, according to today's knowledge. It is unfortunate that the health risks of Se deficiency are often neglected, while possible side effects of Se supplementation are exaggerated, leading to disregard for this safe and promising preventive and adjuvant treatment options. This is especially true in the follow-up situations of pregnancy, severe illness, or COVID-19, where massive Se deficiencies have developed and are associated with AID risk, long-lasting health impairments, and slow recovery.
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Affiliation(s)
- Lutz Schomburg
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, Institut für Experimentelle Endokrinologie, Cardiovascular-Metabolic-Renal (CMR)-Research Center, Hessische Straße 3-4, Charitéplatz 1, 10117 Berlin, Germany
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Li J, Zhu Y, Zhou Y, Jiang H, Chen Z, Lu B, Shen X. The SELS rs34713741 Polymorphism Is Associated with Susceptibility to Colorectal Cancer and Gastric Cancer: A Meta-Analysis. Genet Test Mol Biomarkers 2020; 24:835-844. [PMID: 33290140 DOI: 10.1089/gtmb.2020.0099] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Aims: The selenoprotein S (SELS) gene has been suggested to be an important factor in the development of multiple diseases, including gastric cancer (GC) and colorectal cancer (CRC). However, the association between the SELS gene rs34713741 polymorphism and risk of GC and CRC is inconclusive. Thus, we aimed to investigate the relationship between this polymorphism and the susceptibility to GC and CRC through a meta-analysis. Materials and Methods: Literature was retrieved through the following electronic databases: PubMed, Embase, Web of Science, and Chinese National Knowledge Infrastructure. The pooled odds ratio (OR) and 95% confidence interval (CI) were used to assess the strength of the associations of the alleles of rs4713741 locus with the risk of CRC and GC. Results: Seven studies that collectively included 2331 cases and 2233 controls were utilized for this meta-analysis. Under the allelic and dominant models, the T allele of the SELS rs34713741 polymorphism was significantly associated with CRC risk (allelic model: OR = 1.20, 95% CI = 1.08-1.33, p = 0.0004; dominant model: OR = 1.25, 95% CI = 1.10-1.43, p = 0.001). In addition, all of the genetic models (allelic, dominant, and recessive models) identified the rs34713741 T allele as being significantly associated with GC risk (allelic model: OR = 1.67, 95% CI = 1.30-2.15, p < 0.001; dominant model: OR = 1.70, 95% CI = 1.25-2.30, p = 0.0006; recessive model: OR = 2.39, 95% CI = 1.26-4.50, p = 0.007). Conclusions: The SELS gene rs34713741 T-allele is a highly probable risk factor for both CRC and GC. The results of this study will provide support for using this single nucleotide polymorphism in the diagnosis of GC and CRC.
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Affiliation(s)
- Jin Li
- Department of Gastroenterological Surgery, The Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - Yi Zhu
- Department of Gastroenterological Surgery, The Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - Yuan Zhou
- Department of Gastroenterological Surgery, The Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - HongGang Jiang
- Department of Gastroenterological Surgery, The Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - ZhiHeng Chen
- Department of Gastroenterological Surgery, The Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - BoHao Lu
- Department of Gastroenterological Surgery, The Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - XuNing Shen
- Department of Gastroenterological Surgery, The Affiliated Hospital of Jiaxing University, Zhejiang, China
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Lu Q, Wang J, Zhang X, Tian R, Qiao L, Ge L, Pan J, Wang L. TXNDC5 protects synovial fibroblasts of rheumatoid arthritis from the detrimental effects of endoplasmic reticulum stress. Intractable Rare Dis Res 2020; 9:23-29. [PMID: 32201671 PMCID: PMC7062600 DOI: 10.5582/irdr.2019.01139] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 01/30/2020] [Accepted: 02/04/2020] [Indexed: 12/24/2022] Open
Abstract
TXNDC5 is an endoplasmic reticulum (ER)-resident chaperone that protects the endothelium from secondary effects of ER stress. Previous studies by the current authors identified TXNDC5 as a key pathological factor in promoting the inflammatory phenotype of fibroblast-like synoviocytes (FLSs) from rheumatoid arthritis (RA). However, its activity in RA FLSs under ER stress remains unclear. The current study found that TXNDC5 is responsive to ER stress in RA FLSs since its expression was induced by ER stress at both the endogenous and secretory level. A functional study indicated that silencing TXNDC5 reduced the viability of RA FLSs more markedly in the presence of ER stressors. In contrast, rhTXNDC5 attenuated a decrease in cell viability as a result of ER stress. Moreover, silencing TXNDC5 attenuated the induction of IL-6 and IL-8 from RA FLSs in response to ER stress. In addition, rhTXNDC5 induced a greater increase in VEGF production during ER stress. These findings confirm the pro-survival and pro-inflammation roles of TXNDC5 under ER stress in RA FLSs. TXNDC5 appears to act as a mediator linking ER stress and inflammation of RA.
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Affiliation(s)
- Qiqi Lu
- School of Medicine and Life Sciences, University of Ji'nan-Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
| | - Jinguang Wang
- Department of Orthopedics, Dezhou People's Hospital, Dezhou, Shandong, China
| | - Xiumei Zhang
- Graduate Education Centre of the Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
| | - Ruisong Tian
- Shandong Medicinal Biotechnology Centre, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Key Lab for Biotechnology Drugs of the Ministry of Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
| | - Li Qiao
- College of Clinical Medicine, Shandong University, Ji'nan, Shandong, China
| | - Luna Ge
- Shandong Medicinal Biotechnology Centre, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Key Lab for Biotechnology Drugs of the Ministry of Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
| | - Jihong Pan
- Shandong Medicinal Biotechnology Centre, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Key Lab for Biotechnology Drugs of the Ministry of Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
| | - Lin Wang
- Shandong Medicinal Biotechnology Centre, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Key Lab for Biotechnology Drugs of the Ministry of Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
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Rashad NM, Soliman MH, El-Shal AS, Said D, Samir GM. Effect of interleukin-1β gene polymorphisms on clinicopathological features and disease activity of systemic lupus erythematosus. THE EGYPTIAN JOURNAL OF INTERNAL MEDICINE 2019. [DOI: 10.4103/ejim.ejim_92_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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Huang H, Huang SC, Hua DJ, Sun QQ, Cen H, Xin XF. Interaction analysis between BLK rs13277113 polymorphism and BANK1 rs3733197 polymorphism, MMEL1/TNFRSF14 rs3890745 polymorphism in determining susceptibility to rheumatoid arthritis. Autoimmunity 2017; 50:403-408. [PMID: 28925718 DOI: 10.1080/08916934.2017.1377191] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Two pairwise genetic interactions (B cell lymphocyte kinase (BLK) rs13277113,B cell scaffold protein with ankyrin repeats 1 (BANK1) rs3733197and BLK rs13277113 membrane metalloendopeptidase like 1 (MMEL1)/ tumor necrosis factor receptor superfamily member 14 (TNFRSF14) rs3890745) have been demonstrated in determining susceptibility to rheumatoid arthritis (RA) without replication, thus this study was performed to examine whether abovementioned genetic polymorphisms were associated with RA and further tests were performed to see whether aforementioned genetic interactions existed in RA among Chinese population. A total of 328 patients with RA and 449 healthy control subjects were included in the current study. The polymorphisms were genotyped using the ligase detection reaction-polymerase chain reaction (LDR-PCR) technology. The association of RA with each polymorphism was analyzed by multivariate logistic regression model. Interaction analysis was done by multiple methods. Significant difference in genotype distribution of BLK rs13277113 polymorphism between RA patients and healthy controls was found (p = 1.01 × 10-2). The major allele A of BLK rs13277113 polymorphism was significantly increased in RA patients compared with controls (OR = 1.36, 95% CI = 1.08-1.71, p = 9.27 × 10-3). Significant association of RA with the major allele A of BLK rs13277113 polymorphism under dominant model was also detected (OR = 2.74, 95% CI = 1.42-5.29, p = 2.73 × 10-3). However, we did not find significant association between neither BANK1 rs3733197 polymorphism nor MMEL1/TNFRSF14 rs3890745 polymorphism and RA. Non-significant evidence was found for neither additive nor multiplicative interaction for these two pairwise genetic polymorphisms (BLK rs13277113-BANK1 rs3733197; BLK rs13277113-MMEL1/TNFRSF14 rs3890745). Significant association of RA with G allele of BANK1 rs3733197 polymorphism was only found among individuals carrying A/A genotype of the BLK rs13277113 polymorphism (OR = 1.49, 95% CI = 1.01-2.18, p = .04). In summary, our results indicated that the BLK rs13277113 polymorphism was involved in the genetic background of RA in Chinese population and the association of BANK1 rs3733197 polymorphism with RA was dependent on the genotype of BLK rs13277113 polymorphism, highlighting B-cell response implicated in the pathogenesis of RA.
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Affiliation(s)
- Hua Huang
- a Department of Rheumatology , Ningbo First Hospital, Ningbo Hospital of Zhejiang University , Ningbo , Zhejiang , PR China
| | - Si-Chao Huang
- b Department of Preventive Medicine , Medical School of Ningbo University , Ningbo , Zhejiang , PR China.,c Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine , Ningbo University , Ningbo , Zhejiang , PR China
| | - Dong-Jin Hua
- b Department of Preventive Medicine , Medical School of Ningbo University , Ningbo , Zhejiang , PR China.,c Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine , Ningbo University , Ningbo , Zhejiang , PR China
| | - Qing-Qing Sun
- b Department of Preventive Medicine , Medical School of Ningbo University , Ningbo , Zhejiang , PR China.,c Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine , Ningbo University , Ningbo , Zhejiang , PR China
| | - Han Cen
- b Department of Preventive Medicine , Medical School of Ningbo University , Ningbo , Zhejiang , PR China.,c Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine , Ningbo University , Ningbo , Zhejiang , PR China
| | - Xia-Fei Xin
- a Department of Rheumatology , Ningbo First Hospital, Ningbo Hospital of Zhejiang University , Ningbo , Zhejiang , PR China
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Yu SS, Du JL. Selenoprotein S: a therapeutic target for diabetes and macroangiopathy? Cardiovasc Diabetol 2017; 16:101. [PMID: 28797256 PMCID: PMC5553675 DOI: 10.1186/s12933-017-0585-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 08/01/2017] [Indexed: 12/14/2022] Open
Abstract
Inflammatory response, oxidative stress, and endoplasmic reticulum (ER) stress are important pathophysiological bases of the occurrence and development of diabetes mellitus (DM) and macroangiopathy complications. Selenoprotein S (SELENOS) is involved in the regulation of these mechanisms; therefore, its association with DM and macroangiopathy has gradually received attention from scholars worldwide. SELENOS has different biological functions in different tissues and organs: it exerts antioxidant protection and has anti-ER stress effects in the pancreas and blood vessels, while it promotes the occurrence and development of insulin resistance in the liver, adipose tissue, and skeletal muscle. In addition, studies have confirmed that some SELENOS gene polymorphisms can influence the inflammatory response and are closely associated with the risk for developing DM and macroangiopathy. Therefore, comprehensive understanding of the association between SELENOS and inflammation, oxidative stress, and ER stress may better elucidate and supplement the pathogenic mechanisms of DM and macroangiopathy complications. Furthermore, in-depth investigation of the association of SELENOS function in different tissues and organs with DM and macroangiopathy may facilitate the development of new strategies for the prevention and treatment of DM and macrovascular complications. Here, we summarize the consensus and controversy regarding functions of SELENOS on currently available evidence.
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Affiliation(s)
- Shan-Shan Yu
- Department of Endocrinology, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning, China
| | - Jian-Ling Du
- Department of Endocrinology, The First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning, China.
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Sun HY, Liu TB, Wang QC, Wu WQ, He YJ. Single nucleotide polymorphism in the SEPS1 gene may contribute to the risk of various human diseases: a meta-analysis. Ann Hum Biol 2015; 43:469-79. [DOI: 10.3109/03014460.2015.1070903] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Hong-Yun Sun
- Centers for Disease Control and Prevention of Laiwu City, Laiwu, PR China,
| | - Tai-Bin Liu
- Department of Food Nutrition and Student Health Division, Centers for Disease Control and Prevention of Laiwu City, Laiwu, PR China,
| | - Qing-Chang Wang
- Office of Centers for Disease Control and Prevention of Laiwu City, Laiwu, PR China, and
| | - Wei-Qiang Wu
- Office of Centers for Disease Control and Prevention of Laiwu City, Laiwu, PR China, and
| | - Yu-Jing He
- Immunization Management Division, Centers for Disease Control and Prevention of Laiwu City, Laiwu, PR China
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Selenium and chronic diseases: a nutritional genomics perspective. Nutrients 2015; 7:3621-51. [PMID: 25988760 PMCID: PMC4446770 DOI: 10.3390/nu7053621] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Revised: 04/28/2015] [Accepted: 05/06/2015] [Indexed: 01/10/2023] Open
Abstract
Mechanistic data have revealed a key role for selenium (Se) and selenoproteins in biological pathways known to be altered in multifactorial diseases, such as cellular maintenance, response to oxidative stress and correct protein folding. Although epidemiological studies indicate that low Se intake is linked to increased risk for various chronic diseases, supplementation trials have given confusing outcomes, suggesting that additional genetic factors could affect the relationship between Se and health. Genetic data support this hypothesis, as risk for several chronic diseases, in particular cancer, was linked to a number of single nucleotide polymorphisms (SNP) altering Se metabolism, selenoprotein synthesis or activity. Interactions between SNPs in selenoprotein genes, SNPs in related molecular pathways and biomarkers of Se status were found to further modulate the genetic risk carried by the SNPs. Taken together, nutritional genomics approaches uncovered the potential implication of some selenoproteins as well as the influence of complex interactions between genetic variants and Se status in the aetiology of several chronic diseases. This review discusses the results from these genetic associations in the context of selenoprotein functions and epidemiological investigations and emphasises the need to assess in future studies the combined contribution of Se status, environmental stress, and multiple or individual SNPs to disease risk.
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Association of selenoprotein S gene polymorphism with ischemic stroke in a Chinese case–control study. Blood Coagul Fibrinolysis 2015; 26:131-5. [DOI: 10.1097/mbc.0000000000000202] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Ferreiro-Iglesias A, Calaza M, Perez-Pampin E, Lopez Longo FJ, Marenco JL, Blanco FJ, Narvaez J, Navarro F, Cañete JD, de la Serna AR, Gonzalez-Alvaro I, Herrero-Beaumont G, Pablos JL, Balsa A, Fernandez-Gutierrez B, Caliz R, Gomez-Reino JJ, Gonzalez A. Lack of replication of interactions between polymorphisms in rheumatoid arthritis susceptibility: case-control study. Arthritis Res Ther 2014; 16:436. [PMID: 25260880 PMCID: PMC4207328 DOI: 10.1186/s13075-014-0436-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Accepted: 08/21/2014] [Indexed: 01/18/2023] Open
Abstract
Introduction Approximately 100 loci have been definitively associated with rheumatoid arthritis (RA) susceptibility. However, they explain only a fraction of RA heritability. Interactions between polymorphisms could explain part of the remaining heritability. Multiple interactions have been reported, but only the shared epitope (SE) × protein tyrosine phosphatase nonreceptor type 22 (PTPN22) interaction has been replicated convincingly. Two recent studies deserve attention because of their quality, including their replication in a second sample collection. In one of them, researchers identified interactions between PTPN22 and seven single-nucleotide polymorphisms (SNPs). The other showed interactions between the SE and the null genotype of glutathione S-transferase Mu 1 (GSTM1) in the anti–cyclic citrullinated peptide–positive (anti-CCP+) patients. In the present study, we aimed to replicate association with RA susceptibility of interactions described in these two high-quality studies. Methods A total of 1,744 patients with RA and 1,650 healthy controls of Spanish ancestry were studied. Polymorphisms were genotyped by single-base extension. SE genotypes of 736 patients were available from previous studies. Interaction analysis was done using multiple methods, including those originally reported and the most powerful methods described. Results Genotypes of one of the SNPs (rs4695888) failed quality control tests. The call rate for the other eight polymorphisms was 99.9%. The frequencies of the polymorphisms were similar in RA patients and controls, except for PTPN22 SNP. None of the interactions between PTPN22 SNPs and the six SNPs that met quality control tests was replicated as a significant interaction term—the originally reported finding—or with any of the other methods. Nor was the interaction between GSTM1 and the SE replicated as a departure from additivity in anti-CCP+ patients or with any of the other methods. Conclusions None of the interactions tested were replicated in spite of sufficient power and assessment with different assays. These negative results indicate that whether interactions are significant contributors to RA susceptibility remains unknown and that strict standards need to be applied to claim that an interaction exists.
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Durães C, Moreira CS, Alvelos I, Mendes A, Santos LR, Machado JC, Melo M, Esteves C, Neves C, Sobrinho-Simões M, Soares P. Polymorphisms in the TNFA and IL6 genes represent risk factors for autoimmune thyroid disease. PLoS One 2014; 9:e105492. [PMID: 25127106 PMCID: PMC4134306 DOI: 10.1371/journal.pone.0105492] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2012] [Accepted: 07/24/2014] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Autoimmune thyroid disease (AITD) comprises diseases including Hashimoto's thyroiditis and Graves' disease, both characterized by reactivity to autoantigens causing, respectively, inflammatory destruction and autoimmune stimulation of the thyroid-stimulating hormone receptor. AITD is the most common thyroid disease and the leading form of autoimmune disease in women. Cytokines are key regulators of the immune and inflammatory responses; therefore, genetic variants at cytokine-encoding genes are potential risk factors for AITD. METHODS Polymorphisms in the IL6-174 G/C (rs1800795), TNFA-308 G/A (rs1800629), IL1B-511 C/T (rs16944), and IFNGR1-56 T/C (rs2234711) genes were assessed in a case-control study comprising 420 Hashimoto's thyroiditis patients, 111 Graves' disease patients and 735 unrelated controls from Portugal. Genetic variants were discriminated by real-time PCR using TaqMan SNP genotyping assays. RESULTS A significant association was found between the allele A in TNFA-308 G/A and Hashimoto's thyroiditis, both in the dominant (OR = 1.82, CI = 1.37-2.43, p-value = 4.4×10(-5)) and log-additive (OR = 1.64, CI = 1.28-2.10, p-value = 8.2×10(-5)) models. The allele C in IL6-174 G/C is also associated with Hashimoto's thyroiditis, however, only retained significance after multiple testing correction in the log-additive model (OR = 1.28, CI = 1.06-1.54, p-value = 8.9×10(-3)). The group with Graves' disease also registered a higher frequency of the allele A in TNFA-308 G/A compared with controls both in the dominant (OR = 1.85, CI = 1.19-2.87, p-value = 7.0×10(-3)) and log-additive (OR = 1.69, CI = 1.17-2.44, p-value = 6.6×10(-3)) models. The risk for Hashimoto's thyroiditis and Graves' disease increases with the number of risk alleles (OR for two risk alleles is, respectively, 2.27 and 2.59). CONCLUSIONS This study reports significant associations of genetic variants in TNFA and IL6 with the risk for AITD, highlighting the relevance of polymorphisms in inflammation-related genes in the etiopathogenesis of AITD.
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Affiliation(s)
- Cecília Durães
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
| | - Carla S. Moreira
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
- Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Inês Alvelos
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
| | - Adélia Mendes
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
| | - Liliana R. Santos
- Faculty of Medicine of the University of Porto, Porto, Portugal
- Faculty of Medicine of the University of Coimbra, Coimbra, Portugal
| | - José Carlos Machado
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
- Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Miguel Melo
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
- Department of Endocrinology, Diabetes and Metabolism, University and Hospital Center of Coimbra, Coimbra, Portugal
- Unit of Endocrinology, Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - César Esteves
- Department of Endocrinology, Hospital of S. João, Porto, Portugal
| | - Celestino Neves
- Faculty of Medicine of the University of Porto, Porto, Portugal
- Department of Endocrinology, Hospital of S. João, Porto, Portugal
| | - Manuel Sobrinho-Simões
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
- Faculty of Medicine of the University of Porto, Porto, Portugal
- Department of Pathology and Oncology, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Paula Soares
- Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
- Faculty of Medicine of the University of Porto, Porto, Portugal
- Department of Pathology and Oncology, Faculty of Medicine of the University of Porto, Porto, Portugal
- * E-mail:
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Ziebolz D, Pabel SO, Lange K, Krohn-Grimberghe B, Hornecker E, Mausberg RF. Clinical Periodontal and Microbiologic Parameters in Patients With Rheumatoid Arthritis. J Periodontol 2011; 82:1424-32. [DOI: 10.1902/jop.2011.100481] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Olsson M, Olsson B, Jacobson P, Thelle DS, Björkegren J, Walley A, Froguel P, Carlsson LM, Sjöholm K. Expression of the selenoprotein S (SELS) gene in subcutaneous adipose tissue and SELS genotype are associated with metabolic risk factors. Metabolism 2011; 60:114-20. [PMID: 20619427 PMCID: PMC3004038 DOI: 10.1016/j.metabol.2010.05.011] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2010] [Revised: 05/19/2010] [Accepted: 05/21/2010] [Indexed: 11/30/2022]
Abstract
The selenoprotein S (SELS) is a putative receptor for serum amyloid A, and recent studies have suggested that SELS may be a link between type 2 diabetes mellitus and inflammation. Genetic studies of SELS polymorphisms have revealed associations with circulating levels of inflammatory markers and hard end points of cardiovascular disease. In this study, we analyzed SELS expression in subcutaneous adipose tissue and SELS genotype in relation to metabolic risk factors. DNA microarray expression analysis was used to study the expression of SELS in lean and obese siblings from the Swedish Obese Subjects Sib Pair Study. TaqMan genotyping was used to analyze 3 polymorphisms, previously found to be associated with circulating levels of inflammatory markers, in the INTERGENE case-control study of myocardial infarction and unstable angina pectoris. Possible associations between SELS genotype and/or expression with anthropometry and measures of metabolic status were investigated. Real-time polymerase chain reaction was used to analyze the SELS expression in isolated human adipocytes incubated with insulin. In lean subjects, we found correlations between SELS gene expression in subcutaneous adipose tissue and measures of obesity (waist, P = .045; sagittal diameter, P = .031) and blood pressure (diastolic, P = .016; systolic P = .015); and in obese subjects, we found correlations with measures of obesity (body mass index, P = .03; sagittal diameter, P = .008) and glycemic control (homeostasis model assessment of insulin resistance, P = .011; insulin, P = .009) after adjusting for age and sex. The 5227GG genotype was associated with serum levels of insulin (P = .006) and homeostasis model assessment of insulin resistance (P = .007). The expression of SELS increased after insulin stimulation in isolated human adipocytes (P = .008). In this study, we found an association between both SELS gene expression in adipose tissue and SELS genotype with measures of glycemic control. In vitro studies demonstrated that the SELS gene is regulated by insulin in human subcutaneous adipocytes. This study further supports a role for SELS in the development of metabolic disease, especially in the context of insulin resistance.
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Affiliation(s)
- Maja Olsson
- Sahlgrenska Center for Cardiovascular and Metabolic Research, Department of Molecular and Clinical Medicine, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, S-413 45 Gothenburg, Sweden
| | - Bob Olsson
- Sahlgrenska Center for Cardiovascular and Metabolic Research, Department of Molecular and Clinical Medicine, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, S-413 45 Gothenburg, Sweden
| | - Peter Jacobson
- Sahlgrenska Center for Cardiovascular and Metabolic Research, Department of Molecular and Clinical Medicine, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, S-413 45 Gothenburg, Sweden
| | - Dag S. Thelle
- Department of Biostatistics, Institute of Basic Medical Sciences, University of Oslo, N-0317 Oslo, Norway
- Department of Public Health and Community Medicine, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, S-405 30 Gothenburg, Sweden
| | - Johan Björkegren
- The Computational Medicine Group, Atherosclerosis Research Unit, Department of Medicine, Karolinska Institutet, S-171 76 Stockholm, Sweden
| | - Andrew Walley
- Section of Genomic Medicine, Hammersmith Hospital, Imperial College London, London W12 0NN, United Kingdom
| | - Philippe Froguel
- Section of Genomic Medicine, Hammersmith Hospital, Imperial College London, London W12 0NN, United Kingdom
- CNRS 8090-Institute of Biology, Pasteur Institute, Lille, France
| | - Lena M.S. Carlsson
- Sahlgrenska Center for Cardiovascular and Metabolic Research, Department of Molecular and Clinical Medicine, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, S-413 45 Gothenburg, Sweden
| | - Kajsa Sjöholm
- Sahlgrenska Center for Cardiovascular and Metabolic Research, Department of Molecular and Clinical Medicine, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, S-413 45 Gothenburg, Sweden
- Corresponding author.
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Zhang N, Jing W, Cheng J, Cui W, Mu Y, Li K, Lei X. Molecular characterization and NF-κB-regulated transcription of selenoprotein S from the Bama mini-pig. Mol Biol Rep 2010; 38:4281-6. [DOI: 10.1007/s11033-010-0551-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2010] [Accepted: 11/17/2010] [Indexed: 01/22/2023]
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16
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Perdigones N, Vigo AG, Lamas JR, Martínez A, Balsa A, Pascual-Salcedo D, de la Concha EG, Fernández-Gutiérrez B, Urcelay E. Evidence of epistasis between TNFRSF14 and TNFRSF6B polymorphisms in patients with rheumatoid arthritis. ACTA ACUST UNITED AC 2010; 62:705-10. [DOI: 10.1002/art.27292] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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17
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Reeves MA, Hoffmann PR. The human selenoproteome: recent insights into functions and regulation. Cell Mol Life Sci 2009; 66:2457-78. [PMID: 19399585 PMCID: PMC2866081 DOI: 10.1007/s00018-009-0032-4] [Citation(s) in RCA: 352] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2009] [Revised: 04/01/2009] [Accepted: 04/03/2009] [Indexed: 12/16/2022]
Abstract
Selenium (Se) is a nutritional trace mineral essential for various aspects of human health that exerts its effects mainly through its incorporation into selenoproteins as the amino acid, selenocysteine. Twenty-five selenoprotein genes have been identified in humans and several selenoproteins are broadly classified as antioxidant enzymes. As progress is made on characterizing the individual members of this protein family, however, it is becoming clear that their properties and functions are quite diverse. This review summarizes recent insights into properties of individual selenoproteins such as tissue distribution, subcellular localization, and regulation of expression. Also discussed are potential roles the different selenoproteins play in human health and disease.
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Affiliation(s)
- M. A. Reeves
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo Street, Honolulu, HI 96813 USA
| | - P. R. Hoffmann
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo Street, Honolulu, HI 96813 USA
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18
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Abstract
Selenoproteins are proteins containing selenium in the form of the 21st amino acid, selenocysteine. Members of this protein family have many diverse functions, but their synthesis is dependent on a common set of cofactors and on dietary selenium. Although the functions of many selenoproteins are unknown, several disorders involving changes in selenoprotein structure, activity or expression have been reported. Selenium deficiency and mutations or polymorphisms in selenoprotein genes and synthesis cofactors are implicated in a variety of diseases, including muscle and cardiovascular disorders, immune dysfunction, cancer, neurological disorders and endocrine function. Members of this unusual family of proteins have roles in a variety of cell processes and diseases.
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