The protective effects of the methylenetetrahydrofolate reductase rs1801131 variant among Saudi smokers
Methylenetetrahydrofolate reductase (MTHFR) polymorphism plays a fundamental role in susceptibility to various diseases, including cancers and autoimmune diseases. In the current study, we aimed to compare genotype and allele frequency variations of rs1801131, one of the most common variants found i...
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| Veröffentlicht in: | Saudi journal of biological sciences 2021-07, Vol.28 (7), p.3972-3980 |
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| creator | Almutairi, Mikhlid H. Al-Numair, Nouf S. Parine, Narasimha Reddy Almutairi, Bader O. Alrefaei, Abdulwahed F. Rouabhia, Mahmoud Semlali, Abdelhabib |
| description | Methylenetetrahydrofolate reductase (MTHFR) polymorphism plays a fundamental role in susceptibility to various diseases, including cancers and autoimmune diseases. In the current study, we aimed to compare genotype and allele frequency variations of rs1801131, one of the most common variants found in the MTHFR gene, among Saudi smokers and non-smokers. We hypothesized that genetic variations of this gene are responsible for many diseases, particularly those caused by cigarette smoking (CS) such as pulmonary diseases, oral cancer and lung cancer. We performed a case-control study on a sample of 235 healthy smokers and 239 healthy non-smokers in Saudi Arabia. The rs1801131 SNP genotypes were determined using a genotyping assay and multiple in silico algorithmic software programs were used to identify the effects and structural functions of the rs1801131 (Glu429Ala) mutation. Using chi-squared tests, we found that, among smokers, TG and GG genotype carriers had 0.209-fold (OR = 0.209, P |
| doi_str_mv | 10.1016/j.sjbs.2021.04.011 |
| format | Article |
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In the current study, we aimed to compare genotype and allele frequency variations of rs1801131, one of the most common variants found in the MTHFR gene, among Saudi smokers and non-smokers. We hypothesized that genetic variations of this gene are responsible for many diseases, particularly those caused by cigarette smoking (CS) such as pulmonary diseases, oral cancer and lung cancer. We performed a case-control study on a sample of 235 healthy smokers and 239 healthy non-smokers in Saudi Arabia. The rs1801131 SNP genotypes were determined using a genotyping assay and multiple in silico algorithmic software programs were used to identify the effects and structural functions of the rs1801131 (Glu429Ala) mutation. Using chi-squared tests, we found that, among smokers, TG and GG genotype carriers had 0.209-fold (OR = 0.209, P < 0.005) and 0.427-fold (OR = 0.427, P = 0.003) lower risks of CS-related disease compared to TT reference genotypes. In addition, this protective effect was observed in Saudi smokers independent of age, gender, types of smoking, duration, and average daily smoking consumption. Filling a research gap by exploring this topic in the Saudi population, the current findings indicate that genotype and allele distributions of MTHFR rs1801131 polymorphism present fundamental protective effects against the risk of CS-related disease. These findings should be verified in future studies with larger sample sizes, different ethnicities, and patients suffering from CS-related diseases, such as oral cancer and lung cancer.</description><identifier>ISSN: 1319-562X</identifier><identifier>EISSN: 2213-7106</identifier><identifier>DOI: 10.1016/j.sjbs.2021.04.011</identifier><identifier>PMID: 34220254</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Methylenetetrahydrofolate reductase ; Original ; Polymorphism ; Rs1801131 ; Saudi ; Smoking</subject><ispartof>Saudi journal of biological sciences, 2021-07, Vol.28 (7), p.3972-3980</ispartof><rights>2021 The Authors</rights><rights>2021 The Authors 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c432t-24e1e35d2fa198a69a6a14efa949630bcf12951601ef62345eaa44b7e0f16c373</citedby><cites>FETCH-LOGICAL-c432t-24e1e35d2fa198a69a6a14efa949630bcf12951601ef62345eaa44b7e0f16c373</cites><orcidid>0000-0002-2729-856X ; 0000-0003-2205-8281</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8241599/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1319562X21002710$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,3536,27903,27904,53769,53771,65309</link.rule.ids></links><search><creatorcontrib>Almutairi, Mikhlid H.</creatorcontrib><creatorcontrib>Al-Numair, Nouf S.</creatorcontrib><creatorcontrib>Parine, Narasimha Reddy</creatorcontrib><creatorcontrib>Almutairi, Bader O.</creatorcontrib><creatorcontrib>Alrefaei, Abdulwahed F.</creatorcontrib><creatorcontrib>Rouabhia, Mahmoud</creatorcontrib><creatorcontrib>Semlali, Abdelhabib</creatorcontrib><title>The protective effects of the methylenetetrahydrofolate reductase rs1801131 variant among Saudi smokers</title><title>Saudi journal of biological sciences</title><description>Methylenetetrahydrofolate reductase (MTHFR) polymorphism plays a fundamental role in susceptibility to various diseases, including cancers and autoimmune diseases. In the current study, we aimed to compare genotype and allele frequency variations of rs1801131, one of the most common variants found in the MTHFR gene, among Saudi smokers and non-smokers. We hypothesized that genetic variations of this gene are responsible for many diseases, particularly those caused by cigarette smoking (CS) such as pulmonary diseases, oral cancer and lung cancer. We performed a case-control study on a sample of 235 healthy smokers and 239 healthy non-smokers in Saudi Arabia. The rs1801131 SNP genotypes were determined using a genotyping assay and multiple in silico algorithmic software programs were used to identify the effects and structural functions of the rs1801131 (Glu429Ala) mutation. Using chi-squared tests, we found that, among smokers, TG and GG genotype carriers had 0.209-fold (OR = 0.209, P < 0.005) and 0.427-fold (OR = 0.427, P = 0.003) lower risks of CS-related disease compared to TT reference genotypes. In addition, this protective effect was observed in Saudi smokers independent of age, gender, types of smoking, duration, and average daily smoking consumption. Filling a research gap by exploring this topic in the Saudi population, the current findings indicate that genotype and allele distributions of MTHFR rs1801131 polymorphism present fundamental protective effects against the risk of CS-related disease. These findings should be verified in future studies with larger sample sizes, different ethnicities, and patients suffering from CS-related diseases, such as oral cancer and lung cancer.</description><subject>Methylenetetrahydrofolate reductase</subject><subject>Original</subject><subject>Polymorphism</subject><subject>Rs1801131</subject><subject>Saudi</subject><subject>Smoking</subject><issn>1319-562X</issn><issn>2213-7106</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9UU2L2zAQFaWlm037B3rysRe7GklWbCiFsvRjYaGHbqE3MZFHiVLbSiU5kH9fhSyFXnqaBzPvzeM9xt4Ab4CDfndo0mGbGsEFNFw1HOAZWwkBst4A18_ZCiT0davFzxt2m9KBc93JDl6yG6lEYbVqxXaPe6qOMWSy2Z-oIucKSlVwVS6bifL-PNJMmXLE_XmIwYURM1WRhsVmTAUl6MpvCdUJo8c5VziFeVd9x2XwVZrCL4rpFXvhcEz0-mmu2Y_Pnx7vvtYP377c3318qK2SItdCEZBsB-EQ-g51jxpBkcNe9VryrXUg-hY0B3JaSNUSolLbDXEH2sqNXLMPV93jsp1osDQX36M5Rj9hPJuA3vy7mf3e7MLJdEJB2_dF4O2TQAy_F0rZTD5ZGkecKSzJlNQ6LQUvdtZMXE9tDClFcn_fADeXhszBXBoyl4YMV-aS0pq9v5KopHDyFE2ynmZLg48leTME_z_6H1H8mnM</recordid><startdate>20210701</startdate><enddate>20210701</enddate><creator>Almutairi, Mikhlid H.</creator><creator>Al-Numair, Nouf S.</creator><creator>Parine, Narasimha Reddy</creator><creator>Almutairi, Bader O.</creator><creator>Alrefaei, Abdulwahed F.</creator><creator>Rouabhia, Mahmoud</creator><creator>Semlali, Abdelhabib</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>6I.</scope><scope>AAFTH</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-2729-856X</orcidid><orcidid>https://orcid.org/0000-0003-2205-8281</orcidid></search><sort><creationdate>20210701</creationdate><title>The protective effects of the methylenetetrahydrofolate reductase rs1801131 variant among Saudi smokers</title><author>Almutairi, Mikhlid H. ; Al-Numair, Nouf S. ; Parine, Narasimha Reddy ; Almutairi, Bader O. ; Alrefaei, Abdulwahed F. ; Rouabhia, Mahmoud ; Semlali, Abdelhabib</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c432t-24e1e35d2fa198a69a6a14efa949630bcf12951601ef62345eaa44b7e0f16c373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Methylenetetrahydrofolate reductase</topic><topic>Original</topic><topic>Polymorphism</topic><topic>Rs1801131</topic><topic>Saudi</topic><topic>Smoking</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Almutairi, Mikhlid H.</creatorcontrib><creatorcontrib>Al-Numair, Nouf S.</creatorcontrib><creatorcontrib>Parine, Narasimha Reddy</creatorcontrib><creatorcontrib>Almutairi, Bader O.</creatorcontrib><creatorcontrib>Alrefaei, Abdulwahed F.</creatorcontrib><creatorcontrib>Rouabhia, Mahmoud</creatorcontrib><creatorcontrib>Semlali, Abdelhabib</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Saudi journal of biological sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Almutairi, Mikhlid H.</au><au>Al-Numair, Nouf S.</au><au>Parine, Narasimha Reddy</au><au>Almutairi, Bader O.</au><au>Alrefaei, Abdulwahed F.</au><au>Rouabhia, Mahmoud</au><au>Semlali, Abdelhabib</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The protective effects of the methylenetetrahydrofolate reductase rs1801131 variant among Saudi smokers</atitle><jtitle>Saudi journal of biological sciences</jtitle><date>2021-07-01</date><risdate>2021</risdate><volume>28</volume><issue>7</issue><spage>3972</spage><epage>3980</epage><pages>3972-3980</pages><issn>1319-562X</issn><eissn>2213-7106</eissn><abstract>Methylenetetrahydrofolate reductase (MTHFR) polymorphism plays a fundamental role in susceptibility to various diseases, including cancers and autoimmune diseases. In the current study, we aimed to compare genotype and allele frequency variations of rs1801131, one of the most common variants found in the MTHFR gene, among Saudi smokers and non-smokers. We hypothesized that genetic variations of this gene are responsible for many diseases, particularly those caused by cigarette smoking (CS) such as pulmonary diseases, oral cancer and lung cancer. We performed a case-control study on a sample of 235 healthy smokers and 239 healthy non-smokers in Saudi Arabia. The rs1801131 SNP genotypes were determined using a genotyping assay and multiple in silico algorithmic software programs were used to identify the effects and structural functions of the rs1801131 (Glu429Ala) mutation. Using chi-squared tests, we found that, among smokers, TG and GG genotype carriers had 0.209-fold (OR = 0.209, P < 0.005) and 0.427-fold (OR = 0.427, P = 0.003) lower risks of CS-related disease compared to TT reference genotypes. In addition, this protective effect was observed in Saudi smokers independent of age, gender, types of smoking, duration, and average daily smoking consumption. Filling a research gap by exploring this topic in the Saudi population, the current findings indicate that genotype and allele distributions of MTHFR rs1801131 polymorphism present fundamental protective effects against the risk of CS-related disease. These findings should be verified in future studies with larger sample sizes, different ethnicities, and patients suffering from CS-related diseases, such as oral cancer and lung cancer.</abstract><pub>Elsevier B.V</pub><pmid>34220254</pmid><doi>10.1016/j.sjbs.2021.04.011</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-2729-856X</orcidid><orcidid>https://orcid.org/0000-0003-2205-8281</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Methylenetetrahydrofolate reductase Original Polymorphism Rs1801131 Saudi Smoking |
| title | The protective effects of the methylenetetrahydrofolate reductase rs1801131 variant among Saudi smokers |
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