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Uslu K, Ozcelik F, Zararsiz G, Eldem V, Cephe A, Sahin IO, Yuksel RC, Sipahioglu H, Ozer Simsek Z, Baspinar O, Akalin H, Simsek Y, Gundogan K, Tutar N, Karayol Akin A, Ozkul Y, Yildiz O, Dundar M. Deciphering the host genetic factors conferring susceptibility to severe COVID-19 using exome sequencing. Genes Immun 2024; 25:14-42. [PMID: 38123822 DOI: 10.1038/s41435-023-00232-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 11/03/2023] [Accepted: 11/09/2023] [Indexed: 12/23/2023]
Abstract
The COVID-19 pandemic remains a significant public health concern despite the new vaccines and therapeutics. The clinical course of acute SARS-CoV-2 infection is highly variable and influenced by several factors related to the virus and the host. Numerous genetic studies, including candidate gene, exome, and genome sequencing studies, genome-wide association studies, and other omics efforts, have proposed various Mendelian and non-Mendelian associations with COVID-19 course. In this study, we conducted whole-exome sequencing on 90 unvaccinated patients from Turkey with no known comorbidities associated with severe COVID-19. Of these patients, 30 had severe, 30 had moderate, and 30 had mild/asymptomatic disease. We identified rare variants in genes associated with SARS-CoV-2 susceptibility and pathogenesis, with an emphasis on genes related to the regulation of inflammation, and discussed these in the context of the clinical course of the patients. In addition, we compared the frequencies of common variants between each group. Even though no variant remained statistically significant after correction for multiple testing, we observed that certain previously associated genes and variants showed significant associations before correction. Our study contributes to the existing literature regarding the genetic susceptibility to SARS-CoV-2. Future studies would be beneficial characterizing the host genetic properties in different populations.
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Affiliation(s)
- Kubra Uslu
- Department of Medical Genetics, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Firat Ozcelik
- Department of Medical Genetics, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Gokmen Zararsiz
- Department of Biostatistics, Faculty of Medicine, Erciyes University, Kayseri, Turkey
- Drug Application and Research Center (ERFARMA), Erciyes University, Kayseri, Turkey
| | - Vahap Eldem
- Department of Biology, Faculty of Science, Istanbul University, Istanbul, Turkey
| | - Ahu Cephe
- Institutional Data Management and Analytics Units, Erciyes University Rectorate, Kayseri, Turkey
| | - Izem Olcay Sahin
- Department of Medical Genetics, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Recep Civan Yuksel
- Division of Intensive Care Medicine, Department of Internal Medicine, Kayseri City Education and Research Hospital, Kayseri, Turkey
| | - Hilal Sipahioglu
- Division of Intensive Care Medicine, Department of Internal Medicine, Kayseri City Education and Research Hospital, Kayseri, Turkey
| | - Zuhal Ozer Simsek
- Division of Intensive Care Medicine, Department of Internal Medicine, Kayseri City Education and Research Hospital, Kayseri, Turkey
| | - Osman Baspinar
- Department of Internal Medicine, Kayseri City Education and Research Hospital, Kayseri, Turkey
| | - Hilal Akalin
- Department of Medical Genetics, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Yasin Simsek
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kayseri City Education and Research Hospital, Kayseri, Turkey
| | - Kursat Gundogan
- Division of Intensive Care Medicine, Department of Internal Medicine, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Nuri Tutar
- Department of Chest Diseases, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Aynur Karayol Akin
- Department of Anesthesiology and Reanimation, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Yusuf Ozkul
- Department of Medical Genetics, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Orhan Yildiz
- Department of Infectious Diseases, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Munis Dundar
- Department of Medical Genetics, Faculty of Medicine, Erciyes University, Kayseri, Turkey.
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Wilk MA, Braun AT, Farrell PM, Laxova A, Brown DM, Holt JM, Birch CL, Sosonkina N, Wilk BM, Worthey EA. Applying whole-genome sequencing in relation to phenotype and outcomes in siblings with cystic fibrosis. Cold Spring Harb Mol Case Stud 2020; 6:a004531. [PMID: 32014855 PMCID: PMC6996517 DOI: 10.1101/mcs.a004531] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 10/16/2019] [Indexed: 12/18/2022] Open
Abstract
Variations in disease onset and/or severity have often been observed in siblings with cystic fibrosis (CF), despite the same CFTR genotype and environment. We postulated that genomic variation (modifier and/or pharmacogenomic variants) might explain these clinical discordances. From a cohort of patients included in the Wisconsin randomized clinical trial (RCT) of newborn screening (NBS) for CF, we identified two brothers who showed discordant lung disease courses as children, with one milder and the other more severe than average, and a third, eldest brother, who also has severe lung disease. Leukocytes were harvested as the source of DNA, and whole-genome sequencing (WGS) was performed. Variants were identified and analyzed using in-house-developed informatics tools. Lung disease onset and severity were quantitatively different between brothers during childhood. The youngest, less severely affected brother is homozygous for HFE p.H63D. He also has a very rare PLG p.D238N variant that may influence host-pathogen interaction during chronic lung infection. Other variants of interest were found differentially between the siblings. Pharmacogenomics findings were consistent with the middle, most severely affected brother having poor outcomes to common CF treatments. We conclude that genomic variation between siblings with CF is expected. Variable lung disease severity may be associated with differences acting as genetic modifiers and/or pharmacogenomic factors, but large cohort studies are needed to assess this hypothesis.
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Affiliation(s)
- Melissa A Wilk
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama 35806, USA
| | - Andrew T Braun
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, USA
| | - Philip M Farrell
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, USA
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, USA
| | - Anita Laxova
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, USA
| | - Donna M Brown
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama 35806, USA
| | - James M Holt
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama 35806, USA
| | - Camille L Birch
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama 35806, USA
| | - Nadiya Sosonkina
- Department of Genetics, University of Alabama-Birmingham, Birmingham, Alabama 35233, USA
| | - Brandon M Wilk
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama 35806, USA
| | - Elizabeth A Worthey
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama 35806, USA
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792, USA
- Department of Genetics, University of Alabama-Birmingham, Birmingham, Alabama 35233, USA
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3
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Huang J, Ni S, Tang R. A Functional Polymorphism in the Promoter of miR-17-92 is Associated with a Reduced Risk of Cervical Squamous Cell Carcinoma. Reprod Sci 2020; 27:87-92. [PMID: 32046383 DOI: 10.1007/s43032-019-00007-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Accepted: 02/25/2019] [Indexed: 02/04/2023]
Abstract
miR-17-92 cluster was differentially expressed in cervical cancer, playing an important role in regulating cell proliferation, apoptosis, migration, and invasion. The purpose of this study was to investigate the association between polymorphisms (i.e., rs9588884, rs982873, and rs1813389) in the promoter of miR-17-92 and the risk of cervical squamous cell carcinoma (CSCC). The rs9588884 polymorphism was genotyped using a Taqman assay and the rs982873 and rs1813389 polymorphisms were genotyped using a polymerase chain reaction-restriction fragment length polymorphism method. The expression levels of miR-17-92 were determined using a quantitative PCR analysis. The rs9588884 GG genotype was associated with a reduced risk of CSCC in homozygote comparison (adjusted OR = 0.47, 95% CI, 0.30-0.75, P = 0.001), dominant model (adjusted OR = 0.67, 95% CI, 0.50-0.91, P = 0.01), and recessive model (adjusted OR = 0.57, 95% CI, 0.38-0.85, P = 0.01). The rs9588884 G allele was also associated with a reduced risk of CSCC in allele comparison (adjusted OR = 0.71, 95% CI, 0.58-0.88, P = 0.002). Moreover, patients with the rs9588884 GG genotype had lower levels of miR-20a compared with the rs9588884 CC genotype (P = 0.03). These findings indicate that the rs9588884 GG genotype was associated with lower levels of miR-20a and eventually related to the risk of CSCC in Chinese women.
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Affiliation(s)
- Juan Huang
- Department of Obstetrics and Gynaecology, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China , Chengdu, 611731, Sichuan, People's Republic of China.
| | - Shanshan Ni
- Department of Gynecology, Tianjin Central Hospital of Gynecology and Obstetrics, Tianjin, 300100, People's Republic of China
| | - Rong Tang
- Department of Obstetrics and Gynaecology, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China , Chengdu, 611731, Sichuan, People's Republic of China
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Bueno MJ, Jimenez-Renard V, Samino S, Capellades J, Junza A, López-Rodríguez ML, Garcia-Carceles J, Lopez-Fabuel I, Bolaños JP, Chandel NS, Yanes O, Colomer R, Quintela-Fandino M. Essentiality of fatty acid synthase in the 2D to anchorage-independent growth transition in transforming cells. Nat Commun 2019; 10:5011. [PMID: 31676791 PMCID: PMC6825217 DOI: 10.1038/s41467-019-13028-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 10/14/2019] [Indexed: 12/28/2022] Open
Abstract
Upregulation of fatty acid synthase (FASN) is a common event in cancer, although its mechanistic and potential therapeutic roles are not completely understood. In this study, we establish a key role of FASN during transformation. FASN is required for eliciting the anaplerotic shift of the Krebs cycle observed in cancer cells. However, its main role is to consume acetyl-CoA, which unlocks isocitrate dehydrogenase (IDH)-dependent reductive carboxylation, producing the reductive power necessary to quench reactive oxygen species (ROS) originated during the switch from two-dimensional (2D) to three-dimensional (3D) growth (a necessary hallmark of cancer). Upregulation of FASN elicits the 2D-to-3D switch; however, FASN's synthetic product palmitate is dispensable for this process since cells satisfy their fatty acid requirements from the media. In vivo, genetic deletion or pharmacologic inhibition of FASN before oncogenic activation prevents tumor development and invasive growth. These results render FASN as a potential target for cancer prevention studies.
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Affiliation(s)
- Maria J Bueno
- Breast Cancer Clinical Research Unit, CNIO - Spanish National Cancer Research Center, Madrid, Spain
| | - Veronica Jimenez-Renard
- Breast Cancer Clinical Research Unit, CNIO - Spanish National Cancer Research Center, Madrid, Spain
| | - Sara Samino
- Metabolomics Platform, Department of Electronic Engineering, Universitat Rovira i Virgili, Tarragona, Spain
- Biomedical Research Center in Diabetes and Associated Metabolic Disorders, CIBERDEM, Madrid, Spain
| | - Jordi Capellades
- Metabolomics Platform, Department of Electronic Engineering, Universitat Rovira i Virgili, Tarragona, Spain
- Biomedical Research Center in Diabetes and Associated Metabolic Disorders, CIBERDEM, Madrid, Spain
| | - Alejandra Junza
- Metabolomics Platform, Department of Electronic Engineering, Universitat Rovira i Virgili, Tarragona, Spain
- Biomedical Research Center in Diabetes and Associated Metabolic Disorders, CIBERDEM, Madrid, Spain
| | | | | | - Irene Lopez-Fabuel
- Institute of Functional Biology and Genomics (IBFG), Universidad de Salamanca, CSIC, Salamanca, Spain
- Centro de Investigación Biomédica en Red sobre Fragilidad y Envejecimiento Saludable (CIBERFES), Institute of Biomedical Research of Salamanca, 37007, Salamanca, Spain
| | - Juan P Bolaños
- Institute of Functional Biology and Genomics (IBFG), Universidad de Salamanca, CSIC, Salamanca, Spain
- Centro de Investigación Biomédica en Red sobre Fragilidad y Envejecimiento Saludable (CIBERFES), Institute of Biomedical Research of Salamanca, 37007, Salamanca, Spain
| | - Navdeep S Chandel
- Department of Medicine, Northwestern University Feinberg School of Medicine Chicago, Chicago, IL, USA
| | - Oscar Yanes
- Metabolomics Platform, Department of Electronic Engineering, Universitat Rovira i Virgili, Tarragona, Spain
- Biomedical Research Center in Diabetes and Associated Metabolic Disorders, CIBERDEM, Madrid, Spain
| | - Ramon Colomer
- Medical Oncology Hospital, Universitario La Princesa, Madrid, Spain
| | - Miguel Quintela-Fandino
- Breast Cancer Clinical Research Unit, CNIO - Spanish National Cancer Research Center, Madrid, Spain.
- Medical Oncology Hospital, Universitario Quiron, Pozuelo de Alarcon - Madrid, Spain.
- Medical Oncology, Hospital Universitario de Fuenlabrada, Fuenlabrada - Madrid, Spain.
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5
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Yu L, Meng M, Bao Y, Zhang C, Gao B, Sa R, Luo W. miR-1301/TRIAP1 Axis Participates in Epirubicin-Mediated Anti-Proliferation and Pro-Apoptosis in Osteosarcoma. Yonsei Med J 2019; 60:832-841. [PMID: 31433581 PMCID: PMC6704023 DOI: 10.3349/ymj.2019.60.9.832] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 05/25/2019] [Accepted: 06/13/2019] [Indexed: 02/01/2023] Open
Abstract
PURPOSE Epirubicin is one of the most effective drugs against osteosarcoma. miR-1301 is involved in the occurrence and development of osteosarcoma. Whether miR-1301 is responsible for the chemosensitivity of osteosarcoma cells to epirubicin remains largely unknown. MATERIALS AND METHODS U2OS and SAOS-2 cells were treated with various concentrations of epirubicin. Flow cytometry was employed to evaluate cell apoptotic rate. Cell proliferation was measured by Cell Counting Kit-8 assay. Western blot and quantitative real-time polymerase chain reaction were utilized to detect the expressions of B-cell lymphoma-2 (Bcl-2), Bcl-2 assaciated X protein (Bax), cleaved-caspase-3, cleaved-poly (ADP-ribose) polymerases (PARP1), TP53-regulated inhibitor of apoptosis 1 (TRIAP1), and microRNA-1301 (miR-1301). The relationship between miR-1301 and TRIAP1 was determined by luciferase reporter assay. RESULTS Epirubicin inhibited proliferation in a dose-dependent manner, induced apoptosis, decreased the expression of Bcl-2, and increased the expressions of Bax, cleaved-caspase-3, and cleaved-PARP1 in osteosarcoma cells. miR-1301 was downregulated in U2OS and SAOS-2 cells. Importantly, epirubicin significantly increased the levels of miR-1301. Overexpression of miR-1301 suppressed proliferation and promoted apoptosis. Interestingly, those effects were enhanced by epirubicin. In contrast, miR-1301 depletion attenuated the epirubicin-mediated anti-osteosarcoma effect. miR-1301 negatively regulated the expression of TRIAP1 in U2OS and SAOS-2 cells. Furthermore, epirubicin inhibited the mRNA and protein levels of TRIAP1 by upregulating miR-1301 levels. Epirubicin suppressed cell proliferation by downregulating TRIAP1. CONCLUSION miR-1301 was implicated in the chemosensitivity of osteosarcoma to epirubicin by modulating TRIAP1.
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Affiliation(s)
- Lijun Yu
- Department of Pharmacy, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Min Meng
- Department of Pharmacy, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Yun Bao
- Department of Pharmacy, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Chao Zhang
- Department III of Orthopedic, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Bei Gao
- Department of Pharmacy, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Rina Sa
- Department of Pharmacy, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Wenyuan Luo
- Department III of Orthopedic, Gansu Provincial Hospital, Lanzhou, Gansu, China.
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Casals C, García-Fojeda B, Minutti CM. Soluble defense collagens: Sweeping up immune threats. Mol Immunol 2019; 112:291-304. [DOI: 10.1016/j.molimm.2019.06.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 06/12/2019] [Accepted: 06/13/2019] [Indexed: 12/14/2022]
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7
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Samec M, Liskova A, Kubatka P, Uramova S, Zubor P, Samuel SM, Zulli A, Pec M, Bielik T, Biringer K, Kudela E, Benacka J, Adamek M, Rodrigo L, Ciccocioppo R, Kwon TK, Baranenko D, Kruzliak P, Büsselberg D. The role of dietary phytochemicals in the carcinogenesis via the modulation of miRNA expression. J Cancer Res Clin Oncol 2019; 145:1665-1679. [PMID: 31127362 DOI: 10.1007/s00432-019-02940-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 05/20/2019] [Indexed: 12/15/2022]
Abstract
PURPOSE Phytochemicals are naturally occurring plant-derived compounds and some of them have the potential to serve as anticancer drugs. Based on recent evidence, aberrantly regulated expression of microRNAs (miRNAs) is closely associated with malignancy. MicroRNAs are characterized as small non-coding RNAs functioning as posttranscriptional regulators of gene expression. Accordingly, miRNAs regulate various target genes, some of which are involved in the process of carcinogenesis. RESULTS This comprehensive review emphasizes the anticancer potential of phytochemicals, either isolated or in combination, mediated by miRNAs. The ability to modulate the expression of miRNAs demonstrates their importance as regulators of tumorigenesis. Phytochemicals as anticancer agents targeting miRNAs are widely studied in preclinical in vitro and in vivo research. Unfortunately, their anticancer efficacy in targeting miRNAs is less investigated in clinical research. CONCLUSIONS Significant anticancer properties of phytochemicals as regulators of miRNA expression have been proven, but more studies investigating their clinical relevance are needed.
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Affiliation(s)
- Marek Samec
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Alena Liskova
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Peter Kubatka
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 03601, Martin, Slovak Republic.
- Division of Oncology, Department of Experimental Carcinogenesis, Jessenius Faculty of Medicine, Biomedical Center Martin, Comenius University in Bratislava, Martin, Slovakia.
| | - Sona Uramova
- Division of Oncology, Department of Experimental Carcinogenesis, Jessenius Faculty of Medicine, Biomedical Center Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Pavol Zubor
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Samson Mathews Samuel
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, P.O. Box 24144, Doha, Qatar
| | - Anthony Zulli
- Institute for Health and Sport, Victoria University, Melbourne, Australia
| | - Martin Pec
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 03601, Martin, Slovak Republic
| | - Tibor Bielik
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Kamil Biringer
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Erik Kudela
- Clinic of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Jozef Benacka
- Faculty of Health Science and Social Work, Trnava University, Trnava, Slovakia
| | - Mariusz Adamek
- Department of Thoracic Surgery, Faculty of Medicine and Dentistry, Medical University of Silesia, Katowice, Poland
| | - Luis Rodrigo
- Faculty of Medicine, Central University Hospital of Asturias (HUCA), University of Oviedo, Oviedo, Spain
| | - Rachele Ciccocioppo
- Gastroenterology Unit, Department of Medicine, AOUI Policlinico G.B. Rossi, University of Verona, Verona, Italy
| | - Taeg Kyu Kwon
- Department of Immunology, School of Medicine, Keimyung University, Dalseo-Gu, Daegu, Korea
| | - Denis Baranenko
- International Research Centre "Biotechnologies of the Third Millennium", ITMO University, Saint-Petersburg, Russian Federation
| | - Peter Kruzliak
- 2nd Department of Surgery, Faculty of Medicine, Masaryk University and St. Anne's University Hospital, Brno, Czech Republic.
- Department of Internal Medicine, Brothers of Mercy Hospital, Polni 553/3, 63900, Brno, Czech Republic.
| | - Dietrich Büsselberg
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, P.O. Box 24144, Doha, Qatar.
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Design, synthesis and evaluation of novel (S)-tryptamine derivatives containing an allyl group and an aryl sulfonamide unit as anticancer agents. Bioorg Med Chem Lett 2019; 29:1133-1137. [DOI: 10.1016/j.bmcl.2019.02.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 02/13/2019] [Accepted: 02/20/2019] [Indexed: 11/20/2022]
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Convento MB, Pessoa EA, Cruz E, da Glória MA, Schor N, Borges FT. Calcium oxalate crystals and oxalate induce an epithelial-to-mesenchymal transition in the proximal tubular epithelial cells: Contribution to oxalate kidney injury. Sci Rep 2017; 7:45740. [PMID: 28387228 PMCID: PMC5384284 DOI: 10.1038/srep45740] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Accepted: 03/06/2017] [Indexed: 01/01/2023] Open
Abstract
TGF-β1 is the main mediator of epithelial-to-mesenchymal transition (EMT). Hyperoxaluria induces crystalluria, interstitial fibrosis, and progressive renal failure. This study analyzed whether hyperoxaluria is associated with TGF-β1 production and kidney fibrosis in mice and if oxalate or calcium oxalate (CaOx) could induce EMT in proximal tubule cells (HK2) and therefore contribute to the fibrotic process. Hyperoxaluria was induced by adding hydroxyproline and ethylene glycol to the mice’s drinking water for up to 60 days. Renal function and oxalate and urinary crystals were evaluated. Kidney collagen production and TGF-β1 expression were assessed. EMT was analyzed in vitro according to TGF-β1 production, phenotypic characterization, invasion, cell migration, gene and protein expression of epithelial and mesenchymal markers. Hyperoxaluric mice showed a decrease in renal function and an increase in CaOx crystals and Ox urinary excretion. The deposition of collagen in the renal interstitium was observed. HK2 cells stimulated with Ox and CaOx exhibited a decreased expression of epithelial as well as increased expression mesenchymal markers; these cells presented mesenchymal phenotypic changes, migration, invasiveness capability and TGF-β1 production, characterizing EMT. Treatment with BMP-7 or its overexpression in HK2 cells was effective at preventing it. This mechanism may contribute to the fibrosis observed in hyperoxaluria.
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Affiliation(s)
- Marcia Bastos Convento
- Department of Medicine, Nephrology Division, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Edson Andrade Pessoa
- Department of Medicine, Nephrology Division, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Edgar Cruz
- Department of Medicine, Nephrology Division, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Maria Aparecida da Glória
- Department of Medicine, Nephrology Division, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Nestor Schor
- Department of Medicine, Nephrology Division, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Fernanda Teixeira Borges
- Department of Medicine, Nephrology Division, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil.,Postgraduate Program, Health Sciences, CBS, Universidade Cruzeiro do Sul, São Paulo, Brazil
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