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Yavuz O, Dincel GC, Yildirim S, El-Ashram S, Al-Olayan E. Impact of apoptosis and oxidative stress on pancreatic beta cell pathophysiology in streptozotocin-induced Type 1 diabetes mellitus. Tissue Cell 2024; 91:102552. [PMID: 39255742 DOI: 10.1016/j.tice.2024.102552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2024] [Revised: 08/21/2024] [Accepted: 08/31/2024] [Indexed: 09/12/2024]
Abstract
AIMS Hyperglycemia plays a crucial role in the islet cells, especially pancreatic beta cell death in type 1 diabetes mellitus (T1DM). However, a few research have concentrated on the pathophysiology of apoptosis and oxidative stress in T1DM. The aim of this study was to determine the expression of Caspase 3, Caspase 9, 8-OHdG, Glutathione Reductase, endothelial and inducible nitric oxide synthase in the pancreatic tissue of streptozotocin (STZ)-induced T1DM patients and to compare the cellular mechanisms underlying this metabolic disorder. METHODS For this purpose, a total of 20 Wistar albino rats were divided into two groups: Control (C) and Diabetes Mellitus (DM). In the DM group, T1DM was induced by STZ. Rats in the C group were injected intravenously with buffer solution. At the end of the day 20, rats were necropsied and immunohistochemical procedures were applied. RESULTS The immunohistochemical examination revealed, strong positive immunoreactions were observed in the islet cells of the DM groups, particularly when all antibody stains were considered. On the other hand, the C groups showed minimal changes. The difference between the C and DM groups in terms of all antibodies was statistically significant (p<0.01). CONCLUSIONS In the present study, it was concluded that apoptosis, oxidative stress and NOS expressions were involved in islet cell destruction in pancreatic tissue in STZ-induced T1DM.
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Affiliation(s)
- Orhan Yavuz
- Department of Pathology, Faculty of Veterinary Medicine, Dokuz Eylul University, 35890, Kiraz, Izmir, Türkiye
| | - Gungor Cagdas Dincel
- College of Life Science and Engineering, Foshan University, 18 Jiangwan Street, Foshan, 528231, Guangdong Province, China.
| | - Serkan Yildirim
- Department of Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, 25240, Türkiye
| | - Saeed El-Ashram
- College of Life Science and Engineering, Foshan University, 18 Jiangwan Street, Foshan, 528231, Guangdong Province, China; Zoology Department, Faculty of Science, Kafrelsheikh University, Kafr El-Sheikh, 33516, Egypt.
| | - Ebtesam Al-Olayan
- Department of Zoology, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
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2
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Deguchi K, Zambaiti E, De Coppi P. Regenerative medicine: current research and perspective in pediatric surgery. Pediatr Surg Int 2023; 39:167. [PMID: 37014468 PMCID: PMC10073065 DOI: 10.1007/s00383-023-05438-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/01/2023] [Indexed: 04/05/2023]
Abstract
The field of regenerative medicine, encompassing several disciplines including stem cell biology and tissue engineering, continues to advance with the accumulating research on cell manipulation technologies, gene therapy and new materials. Recent progress in preclinical and clinical studies may transcend the boundaries of regenerative medicine from laboratory research towards clinical reality. However, for the ultimate goal to construct bioengineered transplantable organs, a number of issues still need to be addressed. In particular, engineering of elaborate tissues and organs requires a fine combination of different relevant aspects; not only the repopulation of multiple cell phenotypes in an appropriate distribution but also the adjustment of the host environmental factors such as vascularisation, innervation and immunomodulation. The aim of this review article is to provide an overview of the recent discoveries and development in stem cells and tissue engineering, which are inseparably interconnected. The current status of research on tissue stem cells and bioengineering, and the possibilities for application in specific organs relevant to paediatric surgery have been specifically focused and outlined.
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Affiliation(s)
- Koichi Deguchi
- Stem Cells and Regenerative Medicine Section, University College London Great Ormond Street Institute of Child Health, London, UK
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Elisa Zambaiti
- Stem Cells and Regenerative Medicine Section, University College London Great Ormond Street Institute of Child Health, London, UK
- UOC Chirurgia Pediatrica, Ospedale Infantile Regina Margherita, Turin, Italy
| | - Paolo De Coppi
- Stem Cells and Regenerative Medicine Section, University College London Great Ormond Street Institute of Child Health, London, UK.
- NIHR BRC SNAPS Great Ormond Street Hospitals, London, UK.
- Stem Cells and Regenerative Medicine Section, Faculty of Population Health Sciences, UCL Great Ormond Street Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK.
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Li S, Vaziri ND, Swentek L, Takasu C, Vo K, Stamos MJ, Ricordi C, Ichii H. Prevention of Autoimmune Diabetes in NOD Mice by Dimethyl Fumarate. Antioxidants (Basel) 2021; 10:antiox10020193. [PMID: 33572792 PMCID: PMC7912218 DOI: 10.3390/antiox10020193] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 12/20/2022] Open
Abstract
Oxidative stress plays critical roles in the pathogenesis of diabetes. This study tested the hypothesis that by protecting β-cells against oxidative stress and inflammation, an Nrf2 activator, dimethyl fumarate (DMF), may prevent or delay the onset of type 1 diabetes in non-obese diabetic (NOD) mice. Firstly, islet isolation was conducted to confirm the antioxidative effects of DMF oral administration on islet cells. Secondly, in a spontaneous diabetes model, DMF (25 mg/kg) was fed to mice once daily starting at the age of 8 weeks up to the age of 22 weeks. In a cyclophosphamide-induced accelerated diabetes model, DMF (25 mg/kg) was fed to mice twice daily for 2 weeks. In the islet isolation study, DMF administration improved the isolation yield, attenuated oxidative stress and enhanced GCLC and NQO1 expression in the islets. In the spontaneous model, DMF significantly reduced the onset of diabetes compared to the control group (25% vs. 54.2%). In the accelerated model, DMF reduced the onset of diabetes from 58.3% to 16.7%. The insulitis score in the islets of the DMF treatment group (1.6 ± 0.32) was significantly lower than in the control group (3.47 ± 0.21). The serum IL-1α, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-9, IL-12p70, IFN-γ, TNF-α, MCP-1 and CXCL16 levels in the DMF-treated group were lower than in the control group. In conclusion, DMF may protect islet cells and reduce the incidence of autoimmune diabetes in NOD mice by attenuating insulitis and proinflammatory cytokine production.
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Affiliation(s)
- Shiri Li
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
- Correspondence: (S.L.); (H.I.); Tel.: +1-714-456-5160 (S.L.); +1-714-456-8698 (H.I.)
| | | | - Lourdes Swentek
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
| | - Chie Takasu
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
| | - Kelly Vo
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
| | - Michael J. Stamos
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
| | - Camillo Ricordi
- Cell Transplant Center, Diabetes Research Institute, University of Miami, Miami, FL 33136, USA;
| | - Hirohito Ichii
- Department of Surgery, University of California, Irvine, CA 92868, USA; (L.S.); (C.T.); (K.V.); (M.J.S.)
- Correspondence: (S.L.); (H.I.); Tel.: +1-714-456-5160 (S.L.); +1-714-456-8698 (H.I.)
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Yamada S, Guo X. Peroxiredoxin 4 (PRDX4): Its critical in vivo
roles in animal models of metabolic syndrome ranging from atherosclerosis to nonalcoholic fatty liver disease. Pathol Int 2018; 68:91-101. [PMID: 29341349 DOI: 10.1111/pin.12634] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Accepted: 12/13/2017] [Indexed: 01/07/2023]
Affiliation(s)
- Sohsuke Yamada
- Department of Pathology and Laboratory Medicine; Kanazawa Medical University; Ishikawa Japan
| | - Xin Guo
- Department of Pathology and Laboratory Medicine; Kanazawa Medical University; Ishikawa Japan
- Laboratory of Pathology; Hebei Cancer Institute; The Fourth Hospital of Hebei Medical University; Hebei China
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Mahjabeen I, Ali K, Zhou X, Kayani MA. Deregulation of base excision repair gene expression and enhanced proliferation in head and neck squamous cell carcinoma. Tumour Biol 2014; 35:5971-83. [PMID: 24622884 DOI: 10.1007/s13277-014-1792-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Accepted: 02/24/2014] [Indexed: 12/21/2022] Open
Abstract
Defects in the DNA damage repair pathway contribute to cancer. The major pathway for oxidative DNA damage repair is base excision repair (BER). Although BER pathway genes (OGG1, APEX1 and XRCC1) have been investigated in a number of cancers, our knowledge on the prognostic significance of these genes and their role in head and neck squamous cell carcinoma is limited. Protein levels of OGG1, APEX1 and XRCC1 and a proliferation marker, Ki-67, were examined by immunohistochemical analysis, in a cohort of 50 HNSCC patients. Significant downregulation of OGG1 (p<0.04) and XRCC1 (p<0.05) was observed in poorly differentiated HNSCC compared to mod-well-differentiated cases. Significant upregulation of APEX1 (p<0.05) and Ki-67 (p<0.05) was observed in poorly differentiated HNSCC compared to mod-well-differentiated cases. Significant correlation was observed between XRCC1 and OGG1 (r=0.33, p<0.02). Inverse correlations were observed between OGG1 and Ki-67 (r=-0.377, p<0.005), between APEX1 and XRCC1 (r=-0.435, p<0.002) and between OGG1 and APEX1 (r=-0.34, p<0.02) in HNSCC. To confirm our observations, we examined BER pathway genes and a proliferation marker, Ki-67, expression at the mRNA level on 50 head and neck squamous cell carcinoma (HNSCC) and 50 normal control samples by quantitative real-time polymerase chain reaction. Significant downregulation was observed in case of OGG1 (p<0.04) and XRCC1 (p<0.02), while significant upregulation was observed in case of APEX1 (p<0.01) and Ki-67 (p<0.03) in HNSCC tissue samples compared to controls. Our data suggested that deregulation of base excision repair pathway genes, such as OGG1, APEX1 and XRCC1, combined with overexpression of Ki-67, a marker for excessive proliferation, may contribute to progression of HNSCC in Pakistani population.
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Affiliation(s)
- Ishrat Mahjabeen
- Cancer Genetics Lab, Department of Biosciences, COMSATS Institute of Information and Technology, Park Road Chakshazad, Islamabad, Pakistan
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Kim JN, Chang IY, Kim JH, Kim JW, Park KS, Kim HI, Yoon SP. The role of apurinic/apyrimidinic endonuclease on the progression of streptozotocin-induced diabetic nephropathy in rats. Acta Histochem 2012; 114:647-52. [PMID: 22172708 DOI: 10.1016/j.acthis.2011.11.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Revised: 11/20/2011] [Accepted: 11/21/2011] [Indexed: 10/14/2022]
Abstract
Apurinic/apyrimidinic endonuclease (APE) acts as a regulator of p53 or vice versa in the cellular response to oxidative stress. Since oxidative stress-induced apoptosis is suggested in the pathophysiology of diabetic nephropathy, we proposed that APE may have a feasible role in the progression of diabetic complications. We investigated the interrelationship between APE and p53 in streptozotocin-induced diabetic rat kidneys. Variable parameters on kidneys were checked 12 weeks after streptozotocin administration with or without chitosan oligosaccharide (COS) treatment. Streptozotocin administration caused changes as seen in early diabetic nephropathy with increased kidney size, increased p53, decreased APE, and increased cleaved caspase-3. COS was not suspected as being detrimental to renal measurements, and caused the augmentation of APE after streptozotocin administration. The augmented APE, in association with increased p53, suppressed cleaved caspase-3. 8-OHdG was mainly immunolocalized in the distal tubules, but also in the proximal tubules after streptozotocin administration without COS treatment, while APE was observed in proximal tubules in all groups. These results suggested that p53-dependent apoptosis resulting in suppressed APE might be an underlying mechanism of streptozotocin-induced nephropathy.
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Ochratoxin A induces oxidative DNA damage and G1 phase arrest in human peripheral blood mononuclear cells in vitro. Toxicol Lett 2012; 211:164-71. [PMID: 22498431 DOI: 10.1016/j.toxlet.2012.03.800] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Revised: 03/21/2012] [Accepted: 03/24/2012] [Indexed: 11/22/2022]
Abstract
Ochratoxin A is one of the most abundant food-contaminating mycotoxins worldwide, and its immunosuppressive effects in human caused more and more concern in biomedical field. In the present study, the toxicity of OTA on human peripheral blood mononuclear cells (hPBMC) was explored by analyzing the involvement of oxidative pathway. It was found that OTA treatment led to the release of reactive oxygen species (ROS) and the increase of 8-hydroxydeoxyguanosine (8-OHdG), an important biomarker of oxidative DNA stress. Moreover, we found that OTA treatment induced DNA strand breaks in hPBMC as evidenced by DNA comet tails formation and increased γ-H2AX expression. In addition, OTA could induce cell cycle arrest at G1 phase by down-regulating the expression of CDK4 and cyclinD1 protein, as well as apoptosis in hPBMC in vitro. Pre-treatment of hPBMC with antioxidant, N-acetyl-L-cysteine (NAC), could reduce OTA-induced ROS release and DNA damage, thus confirming the involvement of oxidative DNA damage in the OTA genotoxicity in hPBMC. NAC pre-treatment could also significantly prevent OTA-induced down-regulation of CDK4 and cyclinD1 expression in hPBMC. All the results demonstrated the involvement of oxidative pathway in OTA mediated cytotoxicity in human immune cells, which including the ROS accumulation-oxidative DNA damage-G1 arrest and apoptosis. Our results provide new insights into the molecular mechanisms by which OTA might promote immunotoxicity.
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Absence of the DNA repair enzyme human 8-oxoguanine glycosylase is associated with an aggressive breast cancer phenotype. Br J Cancer 2011; 106:344-7. [PMID: 22108520 PMCID: PMC3261678 DOI: 10.1038/bjc.2011.518] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Background: 8-Oxo-7,8-dihydro-2′-deoxyguanosine (8-oxodG) is the most abundant marker of DNA damage and it reflects oxidative stress. Human 8-oxoguanine glycosylase (hOGG1) is a DNA-repair enzyme that participates in 8-oxodG removal. Methods: hOGG1 protein expression was immunohistochemically studied in 96 patients with local or locally advanced breast cancer and in 20 lesions of non-malignant breast disease. 8-OxodG levels had been previously determined in all patients. Results: hOGG1 was overexpressed in invasive vs non-invasive lesions (P=0.006). 8-OxodG and hOGG1 had a significant inverse association (P=0.046). Lack of hOGG1 expression was associated with the most poor prognostic factors of breast cancer. In addition, all triple-negative breast carcinomas (TNBCs) were hOGG1 negative (P=0.027 vs non-TNBCs). Patients with a lack of both hOGG1- and 8-oxodG immunostaining showed extremely poor breast cancer-specific survival compared with those with either 8-oxodG- or hOGG1-positive tumours (P<0.000005). Conclusion: The current results imply that absence of hOGG1 expression is associated with features of aggressive breast cancer. Tumours lacking both 8-oxodG and hOGG1 seem to indicate especially poor prognosis.
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Abstract
Oxidatively damaged DNA is implicated in various diseases, including neurodegenerative disorders, cancer, diabetes, cardiovascular and inflammatory diseases as well as aging. Several methods have been developed to detect oxidatively damaged DNA. They include chromatographic techniques, the Comet assay, (32)P-postlabelling and immunochemical methods that use antibodies to detect oxidized lesions. In this review, we discuss the detection of 8-oxo-7,8-dihydro-29-deoxyguanosine (8-oxodG), the most abundant oxidized nucleoside. This lesion is frequently used as a marker of exposure to oxidants, including environmental pollutants, as well as a potential marker of disease progression. We concentrate on studies published between the years 2000 and 2011 that used enzyme-linked immunosorbent assay (ELISA) and immunohistochemistry to detect 8-oxodG in humans, laboratory animals and in cell lines. Oxidative damage observed in these organisms resulted from disease, exposure to environmental pollutants or from in vitro treatment with various chemical and physical factors.
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Affiliation(s)
- Pavel Rossner
- Laboratory of Genetic Ecotoxicology, Institute of Experimental Medicine AS CR, Videnska 1083, 142 20 Prague, Czech Republic.
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Amin A, Lotfy M, Mahmoud-Ghoneim D, Adeghate E, Al-Akhras MA, Al-Saadi M, Al-Rahmoun S, Hameed R. Pancreas-protective effects of chlorella in STZ-induced diabetic animal model: insights into the mechanism. ACTA ACUST UNITED AC 2011. [DOI: 10.4236/jdm.2011.13006] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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11
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Ding Y, Yamada S, Wang KY, Shimajiri S, Guo X, Tanimoto A, Murata Y, Kitajima S, Watanabe T, Izumi H, Kohno K, Sasaguri Y. Overexpression of peroxiredoxin 4 protects against high-dose streptozotocin-induced diabetes by suppressing oxidative stress and cytokines in transgenic mice. Antioxid Redox Signal 2010; 13:1477-90. [PMID: 20446767 DOI: 10.1089/ars.2010.3137] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Peroxiredoxin 4 (PRDX4) is one of a newly discovered family of antioxidative proteins. We generated human PRDX4 (hPRDX4) transgenic (Tg) mice, displaying a high level of hPRDX4 expression in the pancreatic islets, and then focused on the functions of PRDX4 in a type 1 diabetes mellitus (T1DM) model using a single high dose of streptozotocin (SHDS). After SHDS-injection, Tg mice showed significantly less hyperglycemia and hypoinsulinemia and a much faster response on glucose tolerance test than wild-type (WT) mice. Morphologic and immunohistochemical observation revealed that the pancreatic islet areas of Tg mice were larger along with less CD3-positive lymphocyte infiltration compared with WT mice. Upon comparison between these two mouse models, β-cell apoptosis was also repressed, and reversely, β-cell proliferation was enhanced in Tg mice. Real-time RT-PCR demonstrated that the expression of many inflammatory-related molecules and their receptors and transcription factors were significantly downregulated in Tg mice. These data indicate that PRDX4 can protect pancreatic islet β-cells against injury caused by SHDS-induced insulitis, which strongly suggests that oxidative stress plays an essential role in SHDS-induced diabetes. This study, for the first time, implicates that PRDX4 has a pivotal protective function against diabetes progression in this T1DM model.
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Affiliation(s)
- Yan Ding
- Department of Pathology and Cell Biology, School of Medicine, University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu, Japan
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Zhang Y, OuYang S, Zhang L, Tang X, Song Z, Liu P. Oxygen-induced changes in mitochondrial DNA and DNA repair enzymes in aging rat lens. Mech Ageing Dev 2010; 131:666-73. [DOI: 10.1016/j.mad.2010.09.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2010] [Revised: 08/26/2010] [Accepted: 09/11/2010] [Indexed: 02/03/2023]
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Thameem F, Puppala S, Lehman DM, Stern MP, Blangero J, Abboud HE, Duggirala R, Habib SL. The Ser(326)Cys polymorphism of 8-oxoguanine glycosylase 1 (OGG1) is associated with type 2 diabetes in Mexican Americans. Hum Hered 2010; 70:97-101. [PMID: 20606456 DOI: 10.1159/000291964] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2009] [Accepted: 12/22/2009] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE Human 8-oxoguanine glycosylase 1 (OGG1) excises oxidatively damaged promutagenic base 8-oxoguanine, a lesion previously observed in a rat model of type 2 diabetes (T2DM). The objective of the present study is to determine whether genetic variation in OGG1 is associated with type 2 diabetes (T2DM) in a Mexican American cohort. METHODS Ten SNPs including two tagging SNPs (rs1052133, rs2072668) across the OGG1 gene region were selected from the Hapmap database and genotyped in the entire cohort (n = 670; 29% diabetes; 39 families) by TaqMan assay. Association analyses between the SNPs and T2DM were performed using the measured genotype approach as implemented in the program SOLAR. RESULTS Of the ten SNPs genotyped, only five were polymorphic. The minor allele frequencies of these 5 SNPs ranged from 1-38%. Of the SNPs examined for association, the Ser(326)Cys (rs1052133) exhibited significant association with T2DM (p = 0.016) after accounting for age and sex effects. Another intronic variant (rs2072668), which was in strong linkage disequilibrium (r(2) = 0.96) with Ser(326)Cys also exhibited significant association with T2DM (p = 0.031). CONCLUSIONS These results suggest for the first time that the variants in OGG1 could influence diabetes risk in these Mexican American families and support a role for alterations of OGG1 in the pathogenesis of T2DM.
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Affiliation(s)
- Farook Thameem
- Division of Nephrology, University of Texas Health Science Center, San Antonio, Tex., USA
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