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Mongiovi JM, Hong CC, Zirpoli GR, Khoury T, Omilian AR, Qin B, Bandera EV, Yao S, Ambrosone CB, Gong Z. Genetic Variants in COX2 and ALOX Genes and Breast Cancer Risk in White and Black Women. Front Oncol 2021; 11:679998. [PMID: 34249719 PMCID: PMC8263909 DOI: 10.3389/fonc.2021.679998] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 06/07/2021] [Indexed: 01/05/2023] Open
Abstract
COX and ALOX genes are involved in inflammatory processes and that may be related to breast cancer risk differentially between White and Black women. We evaluated distributions of genetic variants involved in COX2 and ALOX-related pathways and examined their associations with breast cancer risk among 1,275 White and 1,299 Black cases and controls who participated in the Women’s Circle of Health Study. Odds ratios (ORs) and 95% confidence intervals (CIs) were estimated using multivariable-adjusted logistic regression models. Our results showed differential associations of certain genetic variants with breast cancer according to menopausal and ER status in either White or Black women. In White women, an increased risk of breast cancer was observed for COX2-rs689470 (OR: 2.02, P = 0.01) in the dominant model, and was strongest among postmenopausal women (OR: 2.72, P = 0.02) and for estrogen receptor positive (ER+) breast cancers (OR: 2.60, P = 0.001). A reduced risk was observed for ALOX5-rs7099874 (OR: 0.75, P = 0.01) in the dominant model, and was stronger among postmenopausal women (OR: 0.68, P = 0.03) and for ER+ cancer (OR: 0.66, P = 0.001). Four SNPs (rs3840880, rs1126667, rs434473, rs1042357) in the ALOX12 gene were found in high LD (r2 >0.98) in White women and were similarly associated with reduced risk of breast cancer, with a stronger association among postmenopausal women and for ER− cancer. Among Black women, increased risk was observed for ALOX5-rs1369214 (OR: 1.44, P = 0.003) in the recessive model and was stronger among premenopausal women (OR: 1.57, P = 0.03) and for ER+ cancer (OR: 1.53, P = 0.003). Our study suggests that genetic variants of COX2 and ALOX genes are associated with breast cancer, and that these associations and genotype distributions differ in subgroups defined by menopausal and ER status between White and Black women. Findings may provide insights into the etiology of breast cancer and areas for further research into reasons for breast cancer differences between races.
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Affiliation(s)
- Jennifer M Mongiovi
- Department of Cancer Prevention & Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States.,Department of Epidemiology and Environmental Health, University at Buffalo, Buffalo, NY, United States
| | - Chi-Chen Hong
- Department of Cancer Prevention & Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Gary R Zirpoli
- Slone Epidemiology Center, Boston University, Boston, NY, United States
| | - Thaer Khoury
- Department of Pathology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Angela R Omilian
- Department of Cancer Prevention & Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Bo Qin
- Cancer Epidemiology and Health Outcomes, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, United States
| | - Elisa V Bandera
- Cancer Epidemiology and Health Outcomes, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, United States
| | - Song Yao
- Department of Cancer Prevention & Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Christine B Ambrosone
- Department of Cancer Prevention & Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
| | - Zhihong Gong
- Department of Cancer Prevention & Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States
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The biological role of arachidonic acid 12-lipoxygenase (ALOX12) in various human diseases. Biomed Pharmacother 2020; 129:110354. [DOI: 10.1016/j.biopha.2020.110354] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 05/20/2020] [Accepted: 06/01/2020] [Indexed: 12/18/2022] Open
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Xiao W, He J, Fu W, Xu Y, Zhang Z. LOX gene polymorphisms are associated with osteoporotic vertebral compression fracture in postmenopausal Chinese women. Gene 2020; 741:144543. [PMID: 32165300 DOI: 10.1016/j.gene.2020.144543] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 02/09/2020] [Accepted: 03/08/2020] [Indexed: 01/22/2023]
Abstract
INTRODUCTION Collagen cross-linking, which is regulated by lysyl oxidase (LOX), plays critical roles in bone mechanical strength. LOX can influence bone remodeling by modulating osteoblast and osteoclast activity. This study aimed to explore the effect of LOX gene polymorphisms on osteoporotic fractures susceptibility in postmenopausal Chinese women. METHODS This was a prospective study of postmenopausal women who visited the outpatient and community clinics of the local Hospital. Five tagging single nucleotide polymorphisms (SNPs) in the LOX gene were determined. Bone mineral density (BMD) was measured at the lumbar spine, femoral neck, and hip using dual-energy X-ray absorptiometry. Fractures were confirmed by X-ray and divided into: vertebral compression fracture (OVCF) and non-OVCF (all other fractures). RESULTS This study included 602 patients with non-traumatic fractures and 1343 healthy volunteers. The rs1800449 was significantly associated with vertebral compression fracture (OVCF) after adjusting for age and BMI (P = 0.012). Compared with subjects with the GG genotype, the risk of having OVCF was 1.28 and 1.74, respectively for subjects with the GA and AA genotypes (P = 0.043 and P = 0.018). A recessive genetic model showed that carriers of the AA genotype had higher fracture risk compared to G carriers (GA and GG genotypes) (P = 0.015). The rs2288393 SNP exhibited marginally significant association with OVCF (P = 0.051). Haplotype analyses corroborated our single SNP results: both haplotype CGA and CCG contained rs10519694, rs2288393, and rs1800449, and were significant associated with OVCF (P = 0.048 and P = 0.032, respectively). On the other hand, we found no evidence of an association of LOX gene allelic variants with either BMD or non-OVCF (all P > 0.05). CONCLUSION The results suggest that genetic polymorphisms in LOX may contribute to susceptibility to OVCF in Chinese postmenopausal women.
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Affiliation(s)
- Wenjin Xiao
- Department of Endocrinology, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, China
| | - Jinwei He
- Shanghai Clinical Research Center of Bone Disease, Department of Osteoporosis and Bone Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Wenzhen Fu
- Shanghai Clinical Research Center of Bone Disease, Department of Osteoporosis and Bone Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Youjia Xu
- Department of Orthopaedics, Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, China; Osteoporosis Institute of Soochow University, Suzhou, Jiangsu 215004, China.
| | - Zhenlin Zhang
- Shanghai Clinical Research Center of Bone Disease, Department of Osteoporosis and Bone Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China.
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Alavi A, Darki F, Bidgoli MMR, Zare-Abdollahi D, Moini A, Shahshahani MM, Fischer J, Elahi E. Mutation in ALOX12B likely cause of POI and also ichthyosis in a large Iranian pedigree. Mol Genet Genomics 2020; 295:1039-1053. [PMID: 32253496 DOI: 10.1007/s00438-020-01663-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 02/29/2020] [Indexed: 10/24/2022]
Abstract
Premature ovarian insufficiency (POI) is a clinically and etiologically heterogeneous disorder characterized by menstrual irregularities and elevated levels of FSH before age of 40 years. Genetic anomalies are among the recognized causes of POI. Here, we aimed to identify the genetic cause of POI in an inbred pedigree with nine POI and two ichthyosis-affected members. Inheritance of POI and ichthyosis were, respectively, dominant and recessive. Reproduction-related information and measurements of relevant hormones were obtained. Genetic studies included homozygosity mapping, linkage analysis, exome sequencing, and screening of candidate variants. A mutation within ALOX12B, which is a known ichthyosis causing gene, was identified as cause of ichthyosis. ALOX12B encodes a protein involved in steroidogenesis and lipid metabolism. Considering the importance of steroidogenesis in reproduction functions, the possibility that the ALOX12B mutation is also cause of POI was considered. Screenings showed that the mutation segregated with POI status. Linkage analysis with respect to POI identified a single strongly linked locus (LOD > 3) that includes ALOX12B. Exome sequencing on POI-affected females identified the mutation in ALOX12B and also a sequence variation in SPNS2 within the linked locus. A possible contribution of the SPNS2 variation to POI was not strictly ruled out, but various data presented in the text including reported association of variations in related gene ALOX12 with menopause-age and role of ALOX12B in atretic bovine follicle formation argue in favor of ALOX12B. It is, therefore, concluded that the mutation in ALOX12B is the likely cause of POI in the pedigree.
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Affiliation(s)
- Afagh Alavi
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Faezeh Darki
- School of Biology, University College of Science, University of Tehran, Tehran, Iran
| | | | - Davood Zare-Abdollahi
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Ashraf Moini
- Department of Gynecology and Obstetrics, Roointan Arash Women's Health Research and Educational Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Mostafa M Shahshahani
- Department of Dermatology, Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Judith Fischer
- Institute of Human Genetics, Medical Center-University of Freiburg, Freiburg, Germany
| | - Elahe Elahi
- School of Biology, University College of Science, University of Tehran, Tehran, Iran.
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Abstract
PURPOSE OF REVIEW To summarize advances in the genetics underlying variation in normal pubertal timing, precocious puberty, and delayed puberty, and to discuss mechanisms by which genes may regulate pubertal timing. RECENT FINDINGS Genome-wide association studies have identified hundreds of loci that affect pubertal timing in the general population in both sexes and across ethnic groups. Single genes have been implicated in both precocious and delayed puberty. Potential mechanisms for how these genetic loci influence pubertal timing may include effects on the development and function of the GnRH neuronal network and the responsiveness of end-organs. SUMMARY There has been significant progress in identifying genetic loci that affect normal pubertal timing, and the first single-gene causes of precocious and delayed puberty are being described. How these genes influence pubertal timing remains to be determined.
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Affiliation(s)
- Jia Zhu
- Division of Endocrinology, Department of Medicine, Boston Children's Hospital
| | - Temitope O Kusa
- Harvard Reproductive Sciences Center and Reproductive Endocrine Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Yee-Ming Chan
- Division of Endocrinology, Department of Medicine, Boston Children's Hospital.,Harvard Reproductive Sciences Center and Reproductive Endocrine Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
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Aiken CE, Tarry-Adkins JL, Penfold NC, Dearden L, Ozanne SE. Decreased ovarian reserve, dysregulation of mitochondrial biogenesis, and increased lipid peroxidation in female mouse offspring exposed to an obesogenic maternal diet. FASEB J 2016; 30:1548-56. [PMID: 26700734 PMCID: PMC4799509 DOI: 10.1096/fj.15-280800] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Accepted: 12/08/2015] [Indexed: 12/16/2022]
Abstract
Maternal diet during pregnancy influences the later life reproductive potential of female offspring. We investigate the molecular mechanisms underlying the depletion of ovarian follicular reserve in young adult females following exposure to obesogenic diet in early life. Furthermore, we explore the interaction between adverse maternal diet and postweaning diet in generating reduced ovarian reserve. Female mice were exposed to either maternal obesogenic (high fat/high sugar) or maternal control dietin uteroand during lactation, then weaned onto either obesogenic or control diet. At 12 wk of age, the offspring ovarian reserve was depleted following exposure to maternal obesogenic diet (P< 0.05), but not postweaning obesogenic diet. Maternal obesogenic diet was associated with increased mitochondrial DNA biogenesis (copy numberP< 0.05; transcription factor A, mitochondrial expressionP< 0.05), increased mitochondrial antioxidant defenses [manganese superoxide dismutase (MnSOD)P< 0.05; copper/zinc superoxide dismutaseP< 0.05; glutathione peroxidase 4P< 0.01] and increased lipoxygenase expression (arachidonate 12-lipoxygenaseP< 0.05; arachidonate 15-lipoxygenaseP< 0.05) in the ovary. There was also significantly increased expression of the transcriptional regulator NF-κB (P< 0.05). There was no effect of postweaning diet on any measured ovarian parameters. Maternal diet thus plays a central role in determining follicular reserve in adult female offspring. Our observations suggest that lipid peroxidation and mitochondrial biogenesis are the key intracellular pathways involved in programming of ovarian reserve.-Aiken, C. E., Tarry-Adkins, J. L., Penfold, N. C., Dearden, L., Ozanne, S. E. Decreased ovarian reserve, dysregulation of mitochondrial biogenesis, and increased lipid peroxidation in female mouse offspring exposed to an obesogenic maternal diet.
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Affiliation(s)
- Catherine E Aiken
- *University of Cambridge Metabolic Research Laboratories and MRC Metabolic Diseases Unit, Institute of Metabolic Science, Addenbrooke's Hospital, Cambridge, United Kingdom; and Department of Obstetrics and Gynaecology, University of Cambridge, The Rosie Hospital and National Institute for Health Research Cambridge Comprehensive Biomedical Research Centre, Cambridge, United Kingdom
| | - Jane L Tarry-Adkins
- *University of Cambridge Metabolic Research Laboratories and MRC Metabolic Diseases Unit, Institute of Metabolic Science, Addenbrooke's Hospital, Cambridge, United Kingdom; and Department of Obstetrics and Gynaecology, University of Cambridge, The Rosie Hospital and National Institute for Health Research Cambridge Comprehensive Biomedical Research Centre, Cambridge, United Kingdom
| | - Naomi C Penfold
- *University of Cambridge Metabolic Research Laboratories and MRC Metabolic Diseases Unit, Institute of Metabolic Science, Addenbrooke's Hospital, Cambridge, United Kingdom; and Department of Obstetrics and Gynaecology, University of Cambridge, The Rosie Hospital and National Institute for Health Research Cambridge Comprehensive Biomedical Research Centre, Cambridge, United Kingdom
| | - Laura Dearden
- *University of Cambridge Metabolic Research Laboratories and MRC Metabolic Diseases Unit, Institute of Metabolic Science, Addenbrooke's Hospital, Cambridge, United Kingdom; and Department of Obstetrics and Gynaecology, University of Cambridge, The Rosie Hospital and National Institute for Health Research Cambridge Comprehensive Biomedical Research Centre, Cambridge, United Kingdom
| | - Susan E Ozanne
- *University of Cambridge Metabolic Research Laboratories and MRC Metabolic Diseases Unit, Institute of Metabolic Science, Addenbrooke's Hospital, Cambridge, United Kingdom; and Department of Obstetrics and Gynaecology, University of Cambridge, The Rosie Hospital and National Institute for Health Research Cambridge Comprehensive Biomedical Research Centre, Cambridge, United Kingdom
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Connor AE, Baumgartner RN, Baumgartner KB, Pinkston CM, Boone SD, John EM, Torres-Mejía G, Hines LM, Giuliano AR, Wolff RK, Slattery ML. Associations between ALOX, COX, and CRP polymorphisms and breast cancer among Hispanic and non-Hispanic white women: The breast cancer health disparities study. Mol Carcinog 2014; 54:1541-53. [PMID: 25339205 DOI: 10.1002/mc.22228] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Revised: 08/08/2014] [Accepted: 08/14/2014] [Indexed: 12/21/2022]
Abstract
Chronic inflammation is suggested to be associated with specific cancer sites, including breast cancer. Recent research has focused on the roles of genes involved in the leukotriene/lipoxygenase and prostaglandin/cyclooxygenase pathways in breast cancer etiology. We hypothesized that genes in ALOX/COX pathways and CRP polymorphisms would be associated with breast cancer risk and mortality in our sample of Hispanic/Native American (NA) (1430 cases, 1599 controls) and non-Hispanic white (NHW) (2093 cases, 2610 controls) women. A total of 104 Ancestral Informative Markers was used to distinguish European and NA ancestry. The adaptive rank truncated product (ARTP) method was used to determine the significance of associations for each gene and the inflammation pathway with breast cancer risk and by NA ancestry. Overall, the pathway was associated with breast cancer risk (PARTP = 0.01). Two-way interactions with NA ancestry (P(adj) < 0.05) were observed for ALOX12 (rs2292350, rs2271316) and PTGS1 (rs10306194). We observed increases in breast cancer risk in stratified analyses by tertiles of polyunsaturated fat intake for ALOX12 polymorphisms; the largest increase in risk was among women in the highest tertile with ALOX12 rs9904779CC (Odds Ratio (OR), 1.49; 95% Confidence Interval (CI) 1.14-1.94, P(adj) = 0.01). In a sub-analysis stratified by NSAIDs use, two-way interactions with NSAIDs use were found for ALOX12 rs9904779 (P(adj) = 0.02), rs434473 (P(adj ) = 0.02), and rs1126667 (P(adj) = 0.01); ORs for ALOX12 polymorphisms ranged from 1.55 to 1.64 among regular users. Associations were not observed with breast cancer mortality. These findings could support advances in the discovery of new pathways related to inflammation for breast cancer treatment.
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Affiliation(s)
- Avonne E Connor
- Department of Epidemiology and Population Health, School of Public Health and Information Sciences, James Graham Brown Cancer Center, University of Louisville, Louisville, Kentucky
| | - Richard N Baumgartner
- Department of Epidemiology and Population Health, School of Public Health and Information Sciences, James Graham Brown Cancer Center, University of Louisville, Louisville, Kentucky
| | - Kathy B Baumgartner
- Department of Epidemiology and Population Health, School of Public Health and Information Sciences, James Graham Brown Cancer Center, University of Louisville, Louisville, Kentucky
| | - Christina M Pinkston
- Department of Epidemiology and Population Health, School of Public Health and Information Sciences, James Graham Brown Cancer Center, University of Louisville, Louisville, Kentucky
| | - Stephanie D Boone
- Department of Epidemiology and Population Health, School of Public Health and Information Sciences, James Graham Brown Cancer Center, University of Louisville, Louisville, Kentucky
| | - Esther M John
- Cancer Prevention Institute of California, Fremont, California.,Division of Epidemiology, Department of Health Research and Policy, Stanford Cancer Institute, Stanford University School of Medicine, Stanford, California
| | - Gabriela Torres-Mejía
- Instituto Nacional de Salud Pública, Centro de Investigación en Salud Poblacional, Cuernavaca, Morelos, Mexico
| | - Lisa M Hines
- Department of Biology, University of Colorado Colorado Springs, Colorado Springs, Colorado
| | - Anna R Giuliano
- H. Lee Moffit Cancer Center & Research Institute, Tampa, Florida
| | - Roger K Wolff
- Department of Internal Medicine, University of Utah, Salt Lake City, Utah
| | - Martha L Slattery
- Department of Internal Medicine, University of Utah, Salt Lake City, Utah
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