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Meshkini F, Ramezani‐Jolfaie N, Sargazi S, Clark CC, Soltani S. The effects of lycopene supplementation on
insulin‐like
growth factor‐1 and
insulin‐like
growth factor binding proteins: A systematic review of randomized controlled trials. Phytother Res 2022; 36:1633-1643. [DOI: 10.1002/ptr.7418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 01/23/2022] [Accepted: 01/29/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Fatemeh Meshkini
- Department of Biochemistry, School of medicine Shahid Sadoughi University of Medical Sciences Yazd Iran
- Student Research Committee Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Nahid Ramezani‐Jolfaie
- Department of Community Medicine, School of Medicine Hormozgan University of Medical Sciences Bandar Abbas Iran
| | - Saman Sargazi
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases Zahedan University of Medical Sciences Zahedan Iran
| | - Cain C.T. Clark
- Faculty Research Centre for Intelligent Healthcare Coventry University Coventry UK
| | - Sepideh Soltani
- Yazd Cardiovascular Research Center, Non‐communicable Diseases Research Institute Shahid Sadoughi University of Medical Sciences Yazd Iran
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Smith TJ, Janssen JAMJL. Insulin-like Growth Factor-I Receptor and Thyroid-Associated Ophthalmopathy. Endocr Rev 2019; 40:236-267. [PMID: 30215690 PMCID: PMC6338478 DOI: 10.1210/er.2018-00066] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 06/21/2018] [Indexed: 12/15/2022]
Abstract
Thyroid-associated ophthalmopathy (TAO) is a complex disease process presumed to emerge from autoimmunity occurring in the thyroid gland, most frequently in Graves disease (GD). It is disfiguring and potentially blinding, culminating in orbital tissue remodeling and disruption of function of structures adjacent to the eye. There are currently no medical therapies proven capable of altering the clinical outcome of TAO in randomized, placebo-controlled multicenter trials. The orbital fibroblast represents the central target for immune reactivity. Recent identification of fibroblasts that putatively originate in the bone marrow as monocyte progenitors provides a plausible explanation for why antigens, the expressions of which were once considered restricted to the thyroid, are detected in the TAO orbit. These cells, known as fibrocytes, express relatively high levels of functional TSH receptor (TSHR) through which they can be activated by TSH and the GD-specific pathogenic antibodies that underpin thyroid overactivity. Fibrocytes also express insulin-like growth factor I receptor (IGF-IR) with which TSHR forms a physical and functional signaling complex. Notably, inhibition of IGF-IR activity results in the attenuation of signaling initiated at either receptor. Some studies suggest that IGF-IR-activating antibodies are generated in GD, whereas others refute this concept. These observations served as the rationale for implementing a recently completed therapeutic trial of teprotumumab, a monoclonal inhibitory antibody targeting IGF-IR in TAO. Results of that trial in active, moderate to severe disease revealed dramatic and rapid reductions in disease activity and severity. The targeting of IGF-IR with specific biologic agents may represent a paradigm shift in the therapy of TAO.
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Affiliation(s)
- Terry J Smith
- Department of Ophthalmology and Visual Sciences, Kellogg Eye Center, and Division of Metabolism, Endocrinology, and Diabetes, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan
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Xu W, Ni Z, Zhang M, Chen J, Zhang L, Wu S, Liang C. The Role of Polymorphisms in Genes of PI3K/Akt Signaling Pathway on Prostate. J Cancer 2019; 10:1023-1031. [PMID: 30854108 PMCID: PMC6400800 DOI: 10.7150/jca.26472] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 01/09/2019] [Indexed: 12/18/2022] Open
Abstract
Background and Objective: Increasing evidence suggested that polymorphisms in genes of PI3K/Akt pathway were closely related to prostate cancer (PCa) risk. Nevertheless, these results are controversial and inconclusive. Here, we conducted a comprehensive updated meta-analysis and systematic review to precisely illustrate the association between polymorphisms in genes of PI3K/Akt signaling pathway and PCa risk. Materials and Methods: The gene set of PI3K/Akt pathway was referenced from the Kyoto Encyclopedia of Genes and Genomes (KEGG) website. Relevant studies were identified by the systematically researching on PubMed, Web of Science and Google Scholar databases up to October 1, 2017. The odds ratios (ORs) with a corresponding 95% confidential intervals (95%CIs) were applied to test their associations. All the analyses were conducted by using Stata 12.0 (Stata Corporation, USA). Results: Finally, 38 articles comprising 62 case-control studies were enrolled for 13 polymorphisms in genes of PI3K/Akt pathway. However, overall results failed to present a positive association between polymorphisms in genes of PI3K/Akt pathway and PCa risk. Nevertheless, in the subgroup analysis by ethnicity, we identified that IL-6-rs1800795 polymorphism was associated with an increased risk of PCa for Caucasian individuals in dominant model (MM + MW vs. WW: OR = 1.245, 95%CI = 1.176-1.318, P < 0.001). Conclusion: Our work suggests that polymorphisms in genes of PI3K/Akt Signaling Pathway are not risk factor for PCa. Further well-designed studies with larger samples and precise designs are demanded to corroborate our findings.
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Affiliation(s)
- Wei Xu
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230000, China.,Department of Blood Transfusion, The First Affiliated Hospital of Anhui Medical University, Hefei, 230000, China
| | - Zhihao Ni
- Trauma Department of Orthopedics, The Third Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230000, China
| | - Meng Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230000, China
| | - Jinbo Chen
- Department of Urology, Xiangya Hospital, Central South University, NO.87 Xiangya Road, Changsha, Hunan, 410008, China
| | - Li Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230000, China
| | - Song Wu
- Shenzhen Following Precision Medical Institute, Shenzhen Luohu Hospital Group, Shenzhen, 518000, China
| | - Chaozhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230000, China
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Harrison S, Lennon R, Holly J, Higgins JPT, Gardner M, Perks C, Gaunt T, Tan V, Borwick C, Emmet P, Jeffreys M, Northstone K, Rinaldi S, Thomas S, Turner SD, Pease A, Vilenchick V, Martin RM, Lewis SJ. Does milk intake promote prostate cancer initiation or progression via effects on insulin-like growth factors (IGFs)? A systematic review and meta-analysis. Cancer Causes Control 2017; 28:497-528. [PMID: 28361446 PMCID: PMC5400803 DOI: 10.1007/s10552-017-0883-1] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 03/10/2017] [Indexed: 01/03/2023]
Abstract
PURPOSE To establish whether the association between milk intake and prostate cancer operates via the insulin-like growth factor (IGF) pathway (including IGF-I, IGF-II, IGFBP-1, IGFBP-2, and IGFBP-3). METHODS Systematic review, collating data from all relevant studies examining associations of milk with IGF, and those examining associations of IGF with prostate cancer risk and progression. Data were extracted from experimental and observational studies conducted in either humans or animals, and analyzed using meta-analysis where possible, with summary data presented otherwise. RESULTS One hundred and seventy-two studies met the inclusion criteria: 31 examining the milk-IGF relationship; 132 examining the IGF-prostate cancer relationship in humans; and 10 animal studies examining the IGF-prostate cancer relationship. There was moderate evidence that circulating IGF-I and IGFBP-3 increase with milk (and dairy protein) intake (an estimated standardized effect size of 0.10 SD increase in IGF-I and 0.05 SD in IGFBP-3 per 1 SD increase in milk intake). There was moderate evidence that prostate cancer risk increased with IGF-I (Random effects meta-analysis OR per SD increase in IGF-I 1.09; 95% CI 1.03, 1.16; n = 51 studies) and decreased with IGFBP-3 (OR 0.90; 0.83, 0.98; n = 39 studies), but not with other growth factors. The IGFBP-3 -202A/C single nucleotide polymorphism was positively associated with prostate cancer (pooled OR for A/C vs. AA = 1.22; 95% CI 0.84, 1.79; OR for C/C vs. AA = 1.51; 1.03, 2.21, n = 8 studies). No strong associations were observed for IGF-II, IGFBP-1 or IGFBP-2 with either milk intake or prostate cancer risk. There was little consistency within the data extracted from the small number of animal studies. There was additional evidence to suggest that the suppression of IGF-II can reduce tumor size, and contradictory evidence with regards to the effect of IGFBP-3 suppression on tumor progression. CONCLUSION IGF-I is a potential mechanism underlying the observed associations between milk intake and prostate cancer risk.
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Affiliation(s)
- Sean Harrison
- School of Social and Community Medicine, University of Bristol, Bristol, UK
- MRC Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
| | - Rosie Lennon
- School of Social and Community Medicine, University of Bristol, Bristol, UK
| | - Jeff Holly
- IGFs & Metabolic Endocrinology Group, School of Clinical Sciences at North Bristol, Southmead Hospital, BS10 5NB, Bristol, UK
| | - Julian P T Higgins
- School of Social and Community Medicine, University of Bristol, Bristol, UK
- MRC Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
| | - Mike Gardner
- School of Social and Community Medicine, University of Bristol, Bristol, UK
- Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Claire Perks
- IGFs & Metabolic Endocrinology Group, School of Clinical Sciences at North Bristol, Southmead Hospital, BS10 5NB, Bristol, UK
| | - Tom Gaunt
- School of Social and Community Medicine, University of Bristol, Bristol, UK
- MRC Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
| | - Vanessa Tan
- School of Social and Community Medicine, University of Bristol, Bristol, UK
- MRC Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
| | - Cath Borwick
- School of Social and Community Medicine, University of Bristol, Bristol, UK
- Cardiff University, Cardiff, UK
| | - Pauline Emmet
- School of Social and Community Medicine, University of Bristol, Bristol, UK
| | - Mona Jeffreys
- School of Social and Community Medicine, University of Bristol, Bristol, UK
| | | | - Sabina Rinaldi
- International Agency for Research on Cancer, Lyon, France
| | - Stephen Thomas
- School of Oral and Dental Sciences,, University of Bristol, Bristol, UK
| | | | - Anna Pease
- School of Social and Community Medicine, University of Bristol, Bristol, UK
| | - Vicky Vilenchick
- School of Social and Community Medicine, University of Bristol, Bristol, UK
| | - Richard M Martin
- School of Social and Community Medicine, University of Bristol, Bristol, UK
- MRC Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
- National Institute for Health Research Biomedical Research Unit in Nutrition, Diet and Lifestyle, University Hospitals Bristol NHS Foundation Trust and the University of Bristol, BS2 8AE, Bristol, UK
| | - Sarah J Lewis
- School of Social and Community Medicine, University of Bristol, Bristol, UK.
- MRC Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK.
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Qin Z, Li X, Tang J, Jiang X, Yu Y, Wang C, Xu W, Hua Y, Yu B, Zhang W. Association between insulin-like growth factor-binding protein-3 polymorphism-202 A/C and the risk of prostate cancer: a meta-analysis. Onco Targets Ther 2016; 9:5451-9. [PMID: 27660462 PMCID: PMC5021063 DOI: 10.2147/ott.s107595] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Some previous studies have investigated the relationship between insulin-like growth factor-binding protein-3 polymorphism and prostate cancer (PCa) susceptibility; however, the findings from those studies remain inconsistent. Hence, the aim of this meta-analysis was to provide a more reliable conclusion about such associations. Methods A meta-analysis based on twelve studies was conducted, and 8,341 PCa cases and 7,734 controls were included in this analysis. All relevant studies published till February 1, 2016, were identified by searching the databases such as PubMed, EMBASE, and Web of Science. Data were pooled by odds ratios (ORs) with 95% confidence intervals (CIs) in order to assess the strength of such associations. Publication bias was evaluated using Begg’s funnel plots and Egger’s regression test. Results Several articles provided data only for particular genotypes; therefore, only dominant model analyses were carried out for all of these studies. Initially, the results from this analysis indicated that rs2854744 was not associated with PCa susceptibility (OR=1.12, 95% CI=0.996–1.2). However, after excluding one study due to its heterogeneity and publication bias, a significant relationship was detected between rs2854744 and PCa risk (OR=1.10, 95% CI=1.03–1.17). When stratified by genotyping method, significant results were detected only in the Sequenom method group (OR=1.13, 95% CI=1.04–1.22). Moreover, the results from a subgroup analysis that was conducted by using source of controls were significant only in the population-based control group. Conclusion This meta-analysis suggested that the insulin-like growth factor-binding protein-3 polymorphism-202 A/C was associated with PCa susceptibility.
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Affiliation(s)
- Zhiqiang Qin
- Department of Urologic Surgery, The Affiliated Cancer Hospital of Jiangsu Province of Nanjing Medical University; Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Xiao Li
- Department of Urologic Surgery, The Affiliated Cancer Hospital of Jiangsu Province of Nanjing Medical University
| | - Jingyuan Tang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Xuping Jiang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Yajie Yu
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Chengming Wang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Weizhang Xu
- Department of Thoracic Surgery, The Affiliated Cancer Hospital of Jiangsu Province of Nanjing Medical University; Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Cancer Institute of Jiangsu Province, People's Republic of China
| | - Yibo Hua
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
| | - Bin Yu
- Department of Urologic Surgery, The Affiliated Cancer Hospital of Jiangsu Province of Nanjing Medical University
| | - Wei Zhang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University
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Qie Y, Nian X, Liu X, Hu H, Zhang C, Xie L, Han R, Wu C, Xu Y. Polymorphism in IGFBP3 gene is associated with prostate cancer risk: an updated meta-analysis. Onco Targets Ther 2016; 9:4163-71. [PMID: 27462171 PMCID: PMC4940022 DOI: 10.2147/ott.s102452] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE Insulin-like growth factor-binding protein-3 (IGFBP3) is the major protein that binds with insulin-like growth factor-1 (IGF-1) and is considered to be involved in the development and progression of various cancers. We aimed to examine the association between prostate cancer (PCa) and the IGFBP3 gene-202A/C polymorphism. METHODS A comprehensive search within PubMed, EMBASE, and Cochrane Library was conducted to identify all case-control studies up to October 30, 2015, for a meta-analysis. Pooled odds ratios (ORs) and the 95% confidence intervals (CIs) were calculated using the fixed or random effects model. RESULTS Eighteen studies including 10,538 cases and 10,078 controls were identified. Overall, the CC genotype of IGFBP3-202A/C polymorphism was associated with increased risk of PCa in homozygote comparison (CC vs AA - OR =1.16, 95% CI: 1.08-1.25) and in recessive model (CC vs AA+AC - OR =1.11, 95% CI: 1.04-1.17). In dominant model, the CC/AC genotypes also implicated an increased risk of PCa (CC+AC vs AA - OR =1.11, 95% CI: 1.05-1.19). The C allele of IGFBP3-202A/C polymorphism was the risk allele for PCa relative to the A allele (OR =1.09, 95% CI: 1.05-1.14). Further stratification analysis revealed that the association between -202A/C polymorphism and PCa risk among Caucasians, but not in other ethnicities, was statistically significant (recessive model, OR =1.10, 95% CI: 1.02-1.19). In addition, the IGFBP3-202A/C polymorphism was associated with PCa risk in both population-based and hospital-based studies in homozygote comparison, recessive model, and allele model. CONCLUSION Our meta-analysis indicates that the IGFBP3-202A/C polymorphism is associated with the risk of PCa, particularly in Caucasians, with the C allele being the risk allele for PCa.
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Affiliation(s)
- Yunkai Qie
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin Institute of Urology
| | - Xuewu Nian
- Department of Urology, Tianjin Nankai Hospital, Tianjin, People's Republic of China
| | - Xuesen Liu
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin Institute of Urology
| | - Hailong Hu
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin Institute of Urology
| | - Changwen Zhang
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin Institute of Urology
| | - Linguo Xie
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin Institute of Urology
| | - Ruifa Han
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin Institute of Urology
| | - Changli Wu
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin Institute of Urology
| | - Yong Xu
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin Institute of Urology
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Wang Q, Liu L, Li H, McCullough LE, Qi YN, Li JY, Zhang J, Miller E, Yang CX, Smith JS. Genetic and dietary determinants of insulin-like growth factor (IGF)-1 and IGF binding protein (BP)-3 levels among Chinese women. PLoS One 2014; 9:e108934. [PMID: 25285521 PMCID: PMC4186782 DOI: 10.1371/journal.pone.0108934] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Accepted: 09/05/2014] [Indexed: 12/13/2022] Open
Abstract
Background Higher insulin-like growth factor (IGF)-1 and lower IGF binding protein (BP)-3 levels have been associated with higher commoncancer risk, including breast cancer. Dietary factors, genetic polymorphisms, and the combination of both may influence circulating IGF-1 and IGFBP-3 serum concentrations. Methods From September 2011 to July 2012, we collected demographic, reproductive and dietary data on 143 women (≥40 years). We genotyped IGF-1 rs1520220 and IGFBP-3 rs2854744 and measured circulating IGF-1 and IGFBP-3 levels in serum. Covariance analyses were used to estimate the associations of serum levels of IGF-1 and IGFBP-3, and the molar ratio of IGF-1to IGFBP-3 with IGF-1 rs1520220 and IGFBP-3 rs2854744 genotypes. We subsequently assessed the combined influence of genetics and diet (daily intake of protein, fat and soy isoflavones) on IGF-1 and IGFBP-3 levels. Results Among women aged less than 50 years, circulating IGF-1 serum levels were significantly lower for those with CC genotype for IGF-1 rs1520220 than levels for those with the GC or GG genotypes (in recessive model: P = 0.007).In gene-diet analyses among these women, we found carrying CC genotype for IGF-1 rs1520220 and high soy isoflavone intake tend to be associated with lower circulating IGF-1 levels synthetically (P = 0.002). Women with GG or GC genotypes for IGF-1 rs1520220 and with low intake of soy isoflavones had the highest levels of circulating IGF-1 (geometric mean [95% CI]: 195 [37, 1021] µg/L). Comparatively, women with both the CC genotype and high soy intake had the lowest levels of circulating IGF-1 (geometric mean [95% CI]: 120 [38,378] µg/L). Conclusions IGF-1 serum levels are significantly lower among women with the CC genotype for IGF-1-rs1520220. High soy isoflavone intake may interact with carrying CC genotype for IGF-1-rs1520220 to lower women's serum IGF-1 levels more.
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Affiliation(s)
- Qiong Wang
- Department of Epidemiology and Biostatistics, West China School of Public Health, Sichuan University, Chengdu, P.R. China; Department of Health Service Management, Public Health School, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Li Liu
- The Comprehensive Guidance Center of Women's Health, Chengdu Women's and Children's Central Hospital, Chengdu, P.R. China
| | - Hui Li
- Department of Epidemiology and Biostatistics, West China School of Public Health, Sichuan University, Chengdu, P.R. China
| | - Lauren E McCullough
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Ya-na Qi
- Department of Epidemiology and Biostatistics, West China School of Public Health, Sichuan University, Chengdu, P.R. China
| | - Jia-yuan Li
- Department of Epidemiology and Biostatistics, West China School of Public Health, Sichuan University, Chengdu, P.R. China; Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Jing Zhang
- The Comprehensive Guidance Center of Women's Health, Chengdu Women's and Children's Central Hospital, Chengdu, P.R. China
| | - Erline Miller
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina, United States of America
| | - Chun-xia Yang
- Department of Epidemiology and Biostatistics, West China School of Public Health, Sichuan University, Chengdu, P.R. China
| | - Jennifer S Smith
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina, United States of America; Lineberger Comprehensive Cancer Center, Chapel Hill, North Carolina, United States of America
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Ding Q, Shi Y, Fan B, Fan Z, Wang J. IGFBP-3 Promoter Polymorphism -202A>C (rs2854774) Contributes to Prostate Cancer Risk: Evidence Based on 9,482 Subjects. Urol Int 2014; 93:100-7. [DOI: 10.1159/000355176] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2013] [Accepted: 08/13/2013] [Indexed: 11/19/2022]
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IGF1(CA)19 and IGFBP-3-202A/C Gene Polymorphism and Cancer Risk: A Meta-analysis. Cell Biochem Biophys 2013; 69:169-78. [DOI: 10.1007/s12013-013-9784-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Ochs-Balcom HM, Vaughn CB, Nie J, Chen Z, Thompson CL, Parekh N, Tracy R, Li L. Racial differences in the association of insulin-like growth factor pathway and colorectal adenoma risk. Cancer Causes Control 2013; 25:161-70. [PMID: 24194259 DOI: 10.1007/s10552-013-0318-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Accepted: 10/21/2013] [Indexed: 01/19/2023]
Abstract
PURPOSE Insulin resistance is believed to play an important role in the link between energy imbalance and colon carcinogenesis. Emerging evidence suggests that there are substantial racial differences in genetic and anthropometric influences on insulin-like growth factors (IGFs); however, few studies have examined racial differences in the associations of IGFs and colorectal adenoma, precursor lesions of colon cancer. METHODS We examined the association of circulating levels of IGF-1, IGFBP-3 and IGFBP-1, and SNPs in the IGF-1 receptor (IGF1R), IGF-2 receptor (IGF2R), and insulin receptor genes with risk of adenomas in a sample of 410 incident adenoma cases and 1,070 controls from the Case Transdisciplinary Research on Energetics and Cancer (TREC) Colon Adenomas Study. RESULTS Caucasians have higher IGF-1 levels compared to African Americans; mean IGF-1 levels are 119.0 ng/ml (SD = 40.7) and 109.8 ng/ml (SD = 40.8), respectively, among cases (p = 0.02). Mean IGF-1 levels are also higher in Caucasian controls (122.9 ng/ml, SD = 41.2) versus African American controls (106.9, SD = 41.2), p = 0.001. We observed similar differences in IGFBP3 levels by race. Logistic regression models revealed a statistically significant association of IGF-1 with colorectal adenoma in African Americans only, with adjusted odds ratios (ORs) of 1.68 (95 % CI 1.06-2.68) and 1.68 (95 % CI 1.05-2.71), respectively, for the second and third tertiles as compared to the first tertile. One SNP (rs496601) in IGF1R was associated with adenomas in Caucasians only; the per allele adjusted OR is 0.73 (95 % CI 0.57-0.93). Similarly, one IGF2R SNP (rs3777404) was statistically significant in Caucasians; adjusted per allele OR is 1.53 (95 % CI 1.10-2.14). CONCLUSION Our results suggest racial differences in the associations of IGF pathway biomarkers and inherited genetic variance in the IGF pathway with risk of adenomas that warrant further study.
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Affiliation(s)
- Heather M Ochs-Balcom
- Department of Social and Preventive Medicine, University at Buffalo, Buffalo, NY, USA,
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Mao YQ, Xu X, Lin YW, Chen H, Hu ZH, Xu XL, Zhu Y, Wu J, Zheng XY, Qin J, Xie LP. Prostate Cancer Risk in Relation to a Single Nucleotide Polymorphism in the Insulin-like Growth Factor-binding Protein-3 (IGFBP3) Gene: a Meta-analysis. Asian Pac J Cancer Prev 2012; 13:6299-303. [DOI: 10.7314/apjcp.2012.13.12.6299] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Abstract
PURPOSE To evaluate the present human-based evidence that diet is related to the risk and outcome of prostate cancer. METHODS Review of major case-control and cohort studies, and experimental trials evaluating the effect of diet or dietary constituents on the risk of prostate cancer. RESULTS Although non-experimental studies have suggested several dimensions of diet and several dietary components as related to risk and outcome of prostate cancer, the results of these studies are inconsistent. There is limited evidence that a diet that emphasizes plant products is associated with diminished risk of prostate cancer and of aggressive prostate cancer. CONCLUSION The non-experimental epidemiologic evidence that has now accrued justifies trials of dietary intervention for those at elevated risk of prostate cancer.
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Affiliation(s)
- James R Marshall
- Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY 14263, USA.
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Kim H, Ku SY, Kim SH, Choi YM, Kim JG. Association between endometriosis and polymorphisms in insulin-like growth factor binding protein genes in Korean women. Eur J Obstet Gynecol Reprod Biol 2012; 162:96-101. [PMID: 22381038 DOI: 10.1016/j.ejogrb.2012.01.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2011] [Revised: 11/22/2011] [Accepted: 01/30/2012] [Indexed: 12/30/2022]
Abstract
OBJECTIVE Genetic factors are known to be associated with the development and progression of endometriosis, but the genes related to endometriosis have not been defined. Insulin-like growth factor binding proteins (IGFBPs) are believed to be involved in the proliferation and apoptosis of cells that play an important role in the pathophysiologic mechanism of endometriosis. This study aimed to determine the association between endometriosis and polymorphisms of the IGFBP genes in Korean women. STUDY DESIGN In a case-control study, the rs1995051, rs1065780 and c.759A>G single nucleotide polymorphisms (SNPs) in the IGFBP1 gene and the -672A>G, -202A>C and c.95C>G SNPs in the IGFBP3 gene were analyzed in 128 women with endometriosis and 108 normal control women. RESULTS The haplotype genotype composed of a combination of three IGFBP1 gene polymorphisms was not related to endometriosis, while the haplotype genotype of the IGFBP3 gene had a significant association with endometriosis. Women not carrying the AAG (-672A/-202A/c.95G) haplotype allele of three IGFBP3 gene polymorphisms have a 3.19-times higher risk of endometriosis compared with women with AAG homozygotes, and this trend was found in women with advanced endometriosis but not in women with early endometriosis. CONCLUSIONS The AAG haplotype allele of the -672A>G, -202A>C and c.95C>G polymorphisms in the IGFBP3 gene may be associated with advanced endometriosis in Korean women.
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Affiliation(s)
- Hoon Kim
- Department of Obstetrics and Gynecology, Incheon Medical Center, Incheon, Republic of Korea
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Sarkissyan M, Mishra DK, Wu Y, Shang X, Sarkissyan S, Vadgama JV. IGF gene polymorphisms and breast cancer in African-American and Hispanic women. Int J Oncol 2011; 38:1663-73. [PMID: 21455574 PMCID: PMC3743668 DOI: 10.3892/ijo.2011.990] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2011] [Accepted: 03/11/2011] [Indexed: 11/05/2022] Open
Abstract
Previous studies from our group and others have shown that increased circulatory levels of the ligand insulin-like growth factor 1 (IGF-1) and decreased levels of the predominant IGF-1 binding protein 3 (IGFBP-3) are associated with an increased incidence of breast cancer and poor outcome. Some studies suggest that, in addition to the influence of environmental factors on the levels of IGF-1 and IGFBP-3, alterations in their gene polymorphisms may play a significant role in the risk of cancer. In this study, we investigated the association between gene polymorphisms along the IGF axis and breast cancer, including the IGF-1 (CA) dinucleotide repeat, IGFBP-3 A-202C single nucleotide polymorphism, and the 2-bp deletion and (AGG)n repeat polymorphisms in the IGF type 1 receptor (IGF-IR). A total of 654 subjects, including both African-American and Hispanic/Latino subjects, were screened for various gene polymorphisms. IGF gene polymorphism genotyping was performed by PCR-GeneScan and PCR-RFLP methods. Our results demonstrated a significant association between the non-19/non-19 IGF-1 (CA)n polymorphism and breast cancer (OR = 1.75; 95% CI = 1.07-2.88; P = 0.027). Furthermore, absence of the wild-type-19 allele and alleles <(CA)19 were strongly associated with breast cancer (OR = 1.82; 95% CI = 1.20-2.77; P = 0.005 and OR = 1.70; 95% CI = 1.19-2.43; P = 0.003, respectively). The association of the non-19/non-19 polymorphism with breast cancer was also more significant in premenopausal women (P = 0.04). We did not find any significant association of the IGFBP-3 polymorphism with breast cancer. In the case of IGF-1R polymorphisms, the only significant trend was in the (AGG)5 allele; however, the frequency of this allele was very rare. In summary, our study demonstrated a significant association of IGF-1 polymorphisms and breast cancer. Future studies are necessary to understand the mechanistic value of these polymorphisms in breast cancer risk.
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Affiliation(s)
- Marianna Sarkissyan
- Division of Cancer Research and Training, Center to Eliminate Cancer Health Disparities, Department of Internal Medicine, Charles Drew University of Medicine and Science, Los Angeles, CA 90059, USA
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15
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Safarinejad MR, Shafiei N, Safarinejad S. Relationship of insulin-like growth factor (IGF) binding protein-3 (IGFBP-3) gene polymorphism with the susceptibility to development of prostate cancer and influence on serum levels of IGF-I, and IGFBP-3. Growth Horm IGF Res 2011; 21:146-154. [PMID: 21536469 DOI: 10.1016/j.ghir.2011.03.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2010] [Revised: 12/23/2010] [Accepted: 03/30/2011] [Indexed: 11/19/2022]
Abstract
The bioavailability of IGF-I is controlled by the binding protein, IGF binding protein-3 (IGFBP-3). In addition, IGFBP-3 is a strong anti-proliferative protein that provokes apoptosis and inhibits cell proliferation in prostate cancer. We conducted this study to investigate the association between IGFBP-3 gene polymorphism and serum levels of IGF-I and IGFBP-3 and the incidence of prostate cancer (PCa) and benign prostatic hyperplasia (BPH). DNA isolation was performed in peripheral blood samples obtained from all participants. Required areas were amplified with polymerase chain reaction restriction fragment length polymorphism (PCR-RLFP) technique by using proper primers belonging to this gene area. We also measured serum IGF-I and IGFBP-3 levels. The IGFBP-3 -202 A/C polymorphism genotype frequencies showed a significant difference between PCa patients and controls (χ(2)=6.27, df=2.0, P=0.026), as well as between BPH patients and controls (χ(2)=11.57, df=4.0, P=0.014). The AA genotype frequency was significantly decreased in PCa and BPH patients compared to control group and the risk of PCa and BPH occurrence of this genotype was decreased accordingly (PCa; OR=0.28, 95% CI=0.17-0.44, P=0.0001; BPH: OR=0.48, 95% CI=0.29-0.77, P=0.001). Age-adjusted mean serum IGFBP-3 concentrations were highest in the individuals with the AA genotype and diminished significantly in a stepwise manner in the presence of 1 or 2 copies of the C allele (4577 ng/ml, 3929 ng/ml and 3349 ng/ml, respectively). Patients with PCa and BPH had lower serum IGF-1 (P=0.001, and P=0.01, respectively) and IGFBP-3 levels (P=0.001, and P=0.01, respectively) compared with controls. The AA genotype at IGFBP-3 gene polymorphism is associated with reduced risks of PCa and BPH. Both IGF-I and IGFBP-3 concentrations, are associated with modified risks of PCa and BPH.
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Shishkin SS, Lisitskaya KV, Krakhmaleva IN. Biochemical polymorphism of the growth hormone system proteins and its manifestations in human prostate cells. BIOCHEMISTRY (MOSCOW) 2011; 75:1547-62. [PMID: 21417994 DOI: 10.1134/s0006297910130043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The basic mechanisms are considered that are responsible for producing biochemical polymorphism of human proteins realized at three basic levels: the structures of genome and genes; the transcription and maturation of transcripts; the postsynthetic formation of functionally active protein products of gene expression. The data on biochemical polymorphism of growth hormone (GH) and some other proteins that are directly or indirectly necessary for its functioning and support this polymorphism by polylocus, polyallelism, alternative splicing, and various postsynthetic modifications are analyzed. The role of polymorphic proteins of the GH system is discussed in formation of a variety of oligomeric molecular structures of this system (multicomponent transport complexes, receptors, and endocellular protein ensembles involved in the regulation of gene expression). It is emphasized that such structural polymorphism significantly influences the biological effects in various parts of the GH system during physiological processes and in tumors, in particular in prostate cancer.
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Affiliation(s)
- S S Shishkin
- Bach Institute of Biochemistry, Russian Academy of Sciences, Moscow, Russia.
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17
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Gu F, Schumacher FR, Canzian F, Allen NE, Albanes D, Berg CD, Berndt SI, Boeing H, Bueno-de-Mesquita HB, Buring JE, Chabbert-Buffet N, Chanock SJ, Clavel-Chapelon F, Dumeaux V, Gaziano JM, Giovannucci EL, Haiman CA, Hankinson SE, Hayes RB, Henderson BE, Hunter DJ, Hoover RN, Johansson M, Key TJ, Khaw KT, Kolonel LN, Lagiou P, Lee IM, LeMarchand L, Lund E, Ma J, Onland-Moret NC, Overvad K, Rodriguez L, Sacerdote C, Sánchez MJ, Stampfer MJ, Stattin P, Stram DO, Thomas G, Thun MJ, Tjønneland A, Trichopoulos D, Tumino R, Virtamo J, Weinstein SJ, Willett WC, Yeager M, Zhang SM, Kaaks R, Riboli E, Ziegler RG, Kraft P. Eighteen insulin-like growth factor pathway genes, circulating levels of IGF-I and its binding protein, and risk of prostate and breast cancer. Cancer Epidemiol Biomarkers Prev 2010; 19:2877-87. [PMID: 20810604 PMCID: PMC2989404 DOI: 10.1158/1055-9965.epi-10-0507] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Circulating levels of insulin-like growth factor I (IGF-I) and its main binding protein, IGF binding protein 3 (IGFBP-3), have been associated with risk of several types of cancer. Heritable factors explain up to 60% of the variation in IGF-I and IGFBP-3 in studies of adult twins. METHODS We systematically examined common genetic variation in 18 genes in the IGF signaling pathway for associations with circulating levels of IGF-I and IGFBP-3. A total of 302 single nucleotide polymorphisms (SNP) were genotyped in >5,500 Caucasian men and 5,500 Caucasian women from the Breast and Prostate Cancer Cohort Consortium. RESULTS After adjusting for multiple testing, SNPs in the IGF1 and SSTR5 genes were significantly associated with circulating IGF-I (P < 2.1 × 10(-4)); SNPs in the IGFBP3 and IGFALS genes were significantly associated with circulating IGFBP-3. Multi-SNP models explained R(2) = 0.62% of the variation in circulating IGF-I and 3.9% of the variation in circulating IGFBP-3. We saw no significant association between these multi-SNP predictors of circulating IGF-I or IGFBP-3 and risk of prostate or breast cancers. CONCLUSION Common genetic variation in the IGF1 and SSTR5 genes seems to influence circulating IGF-I levels, and variation in IGFBP3 and IGFALS seems to influence circulating IGFBP-3. However, these variants explain only a small percentage of the variation in circulating IGF-I and IGFBP-3 in Caucasian men and women. IMPACT Further studies are needed to explore contributions from other genetic factors such as rare variants in these genes and variation outside of these genes.
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Affiliation(s)
- Fangyi Gu
- Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts 02115, USA
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18
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Park K, Kim JH, Jeon HG, Byun SS, Lee E. Influence of IGFBP3 Gene Polymorphisms on IGFBP3 Serum Levels and the Risk of Prostate Cancer in Low-risk Korean Men. Urology 2010; 75:1516.e1-7. [DOI: 10.1016/j.urology.2009.08.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2009] [Revised: 08/06/2009] [Accepted: 08/07/2009] [Indexed: 10/19/2022]
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Schumacher FR, Cheng I, Freedman ML, Mucci L, Allen NE, Pollak MN, Hayes RB, Stram DO, Canzian F, Henderson BE, Hunter DJ, Virtamo J, Manjer J, Gaziano JM, Kolonel LN, Tjønneland A, Albanes D, Calle EE, Giovannucci E, Crawford ED, Haiman CA, Kraft P, Willett WC, Thun MJ, Le Marchand L, Kaaks R, Feigelson HS, Bueno-de-Mesquita HB, Palli D, Riboli E, Lund E, Amiano P, Andriole G, Dunning AM, Trichopoulos D, Stampfer MJ, Key TJ, Ma J. A comprehensive analysis of common IGF1, IGFBP1 and IGFBP3 genetic variation with prospective IGF-I and IGFBP-3 blood levels and prostate cancer risk among Caucasians. Hum Mol Genet 2010; 19:3089-101. [PMID: 20484221 DOI: 10.1093/hmg/ddq210] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
The insulin-like growth factor (IGF) pathway has been implicated in prostate development and carcinogenesis. We conducted a comprehensive analysis, utilizing a resequencing and tagging single-nucleotide polymorphism (SNP) approach, between common genetic variation in the IGF1, IGF binding protein (BP) 1, and IGFBP3 genes with IGF-I and IGFBP-3 blood levels, and prostate cancer (PCa) risk, among Caucasians in the NCI Breast and Prostate Cancer Cohort Consortium. We genotyped 14 IGF1 SNPs and 16 IGFBP1/IGFBP3 SNPs to capture common [minor allele frequency (MAF) >or= 5%] variation among Caucasians. For each SNP, we assessed the geometric mean difference in IGF blood levels (N = 5684) across genotypes and the association with PCa risk (6012 PCa cases/6641 controls). We present two-sided statistical tests and correct for multiple comparisons. A non-synonymous IGFBP3 SNP in exon 1, rs2854746 (Gly32Ala), was associated with IGFBP-3 blood levels (P(adj) = 8.8 x 10(-43)) after adjusting for the previously established IGFBP3 promoter polymorphism A-202C (rs2854744); IGFBP-3 blood levels were 6.3% higher for each minor allele. For IGF1 SNP rs4764695, the risk estimates among heterozygotes was 1.01 (99% CI: 0.90-1.14) and 1.20 (99% CI: 1.06-1.37) for variant homozygotes with overall PCa risk. The corrected allelic P-value was 8.7 x 10(-3). IGF-I levels were significantly associated with PCa risk (P(trend) = 0.02) with a 21% increase of PCa risk when compared with the highest quartile to the lowest quartile. We have identified SNPs significantly associated with IGFBP-3 blood levels, but none of these alter PCa risk; however, a novel IGF1 SNP, not associated with IGF-I blood levels, shows preliminary evidence for association with PCa risk among Caucasians.
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Affiliation(s)
- Fredrick R Schumacher
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
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20
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A microsatellite polymorphism in IGF1 gene promoter and longevity in a Han Chinese population. BMC Res Notes 2010; 3:55. [PMID: 20199671 PMCID: PMC2844396 DOI: 10.1186/1756-0500-3-55] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2009] [Accepted: 03/03/2010] [Indexed: 11/25/2022] Open
Abstract
Background Previous studies have suggested a probable association between the polymorphism of a microsatellite locus located in the promoter of IGF1 (Insulin-like growth factor 1) gene and the serum level of IGF1, as well as many age-related diseases. Based on these results, we hypothesized that this polymorphism may influence longevity in humans. We performed an association study in a Han Chinese population to test this hypothesis. Findings We recruited 493 elderly Han Chinese individuals (females ≥ 94; males ≥ 90) and 425 young individuals (controls) from Dujiangyan (Sichuan province, China). The genotype distributions and allele frequencies of the microsatellite site in the elderly and control groups were compared by chi square test. Our results suggested that there was no association between the microsatellite polymorphism and longevity in our Han Chinese population. However, there were more male persons with 18/21 genotype in elderly group than that in control group (11.11 vs. 5.45%, p = 0.011). As the difference was not significant when corrected by Bonferroni method, we speculate that the 18/21 genotype can not be functional in longevity; however, it may link with the real functional loci as there is a long haplotype block embracing the microsatellite locus. Conclusions There was no association between polymorphism of the microsatellite in promoter of IGF1 gene and longevity in our study. Future association studies containing the long haplotype block are deserved and can test our speculation of the potential linkage of 18/21 genotype and functional loci.
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21
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Association of insulin-like growth factor-1 receptor gene polymorphisms with left ventricular mass and geometry in essential hypertension. J Hum Hypertens 2009; 24:320-6. [DOI: 10.1038/jhh.2009.73] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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22
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IGFBP3 polymorphisms and risk of cancer: a meta-analysis. Mol Biol Rep 2009; 37:127-40. [DOI: 10.1007/s11033-009-9552-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2008] [Accepted: 04/30/2009] [Indexed: 01/07/2023]
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23
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Han SGL, Park KH, Sung JS, Whang YM, Kim YJ, Shin ES, Lee JW, Lee HJ, Ryu JS, Choi IK, Seo JH, Kim YH. Single nucleotide polymorphisms of IGFBP-3 gene and lung cancer risk in a Korean population. Lung Cancer 2008; 62:152-61. [PMID: 18450319 DOI: 10.1016/j.lungcan.2008.03.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2008] [Revised: 03/06/2008] [Accepted: 03/16/2008] [Indexed: 10/22/2022]
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24
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Lönn S, Rothman N, Shapiro WR, Fine HA, Selker RG, Black PM, Loeffler JS, Hutchinson AA, Inskip PD. Genetic variation in insulin-like growth factors and brain tumor risk. Neuro Oncol 2008; 10:553-9. [PMID: 18562769 DOI: 10.1215/15228517-2008-026] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Many studies support a role for insulin-like growth factors (IGFs) in the regulation of tumor cell biology. We hypothesized that single-nucleotide polymorphisms (SNPs) in IGF genes are risk factors for glioma and meningioma. To test the hypothesis, we examined associations of brain tumor risk with nine variants in five IGF genes in a hospital-based case-control study. The study was conducted at hospitals in Boston, Phoenix, and Pittsburgh between 1994 and 1998. Eligible cases were individuals (18 years or older) newly diagnosed with glioma or meningioma. Controls were selected among patients who were admitted to the same hospitals for a variety of nonmalignant conditions and frequency matched to cases by hospital, age, sex, race, and distance from residence. The present analysis was restricted to non-Hispanic whites. DNA was extracted from blood samples collected from 354 glioma cases, 133 meningioma cases, and 495 control individuals. We evaluated nine SNPs in five IGF genes (IGF1, IGF1R, IGF2, IGF2R, and IGFBP3). The majority of the analyzed IGF SNPs did not display statistically significant associations with glioma or meningioma. For glioma, one IGF1R SNP (rs2272037) indicated a possible association. No indications of association were seen for glioblastoma, but for low-grade gliomas, the odds ratio under a dominant model was 0.56 (95% confidence interval [CI], 0.35-0.90) for IGF1 rs6220, 2.98 (95% CI, 1.65-5.38) for IGF1R rs2272037, and 1.60 (95% CI, 0.90-2.83) for IGF1R rs2016347. Overall, our results do not provide strong evidence of associations of brain tumor risk with IGF polymorphic variants but identify several associations for glioma that warrant further examination in other, larger studies.
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Affiliation(s)
- Stefan Lönn
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD 20892-7238, USA.
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Chen X, Guan J, Song Y, Chen P, Zheng H, Tang C, Wu Q. IGF -I (CA) repeat polymorphisms and risk of cancer: a meta-analysis. J Hum Genet 2008; 53:227-238. [DOI: 10.1007/s10038-007-0241-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2007] [Accepted: 12/13/2007] [Indexed: 11/30/2022]
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Haluska P, Shaw HM, Batzel GN, Yin D, Molina JR, Molife LR, Yap TA, Roberts ML, Sharma A, Gualberto A, Adjei AA, de Bono JS. Phase I dose escalation study of the anti insulin-like growth factor-I receptor monoclonal antibody CP-751,871 in patients with refractory solid tumors. Clin Cancer Res 2007; 13:5834-40. [PMID: 17908976 DOI: 10.1158/1078-0432.ccr-07-1118] [Citation(s) in RCA: 200] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE This phase I study was undertaken to define the maximum tolerated dose, safety, and pharmacokinetic profile of CP-751,871. EXPERIMENTAL DESIGN Using a rapid dose escalation design, patients with advanced nonhematologic malignancies were treated with CP-751,871 in four dose escalation cohorts. CP-751,871 was administered i.v. on day 1 of each 21-day cycle. Pharmacokinetic evaluation was done in all treatment cohorts during cycles 1 and 4. RESULTS Twenty-four patients received 110 cycles at four dose levels. The maximum tolerated dose exceeded the maximal feasible dose of 20 mg/kg and, thus, was not identified. Treatment-related toxicities were generally mild. The most common adverse events were hyperglycemia, anorexia, nausea, elevated aspartate aminotransferase, elevated gamma-glutamyltransferase, diarrhea, hyperuracemia, and fatigue. At 20 mg/kg, 10 of 15 patients experienced stability of disease. Two of these patients experienced long-term stability. There were no objective responses. Pharmacokinetic analysis revealed a dose-dependent increase in CP-751,871 exposure and approximately 2-fold accumulation on repeated dosing in 21-day cycles. Plasma concentrations of CP-751,871 attained were several log-fold greater than the biologically active concentration. Treatment with CP-751,871 increased serum insulin and human growth hormone levels, with modest increases in serum glucose levels. CONCLUSIONS CP-751,871 has a favorable safety profile and was well tolerated when given in continuous cycles. At the maximal feasible dose of 20 mg/kg, there was a moderate accumulation in plasma exposure, and most of the treated patients experienced stability of disease.
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Affiliation(s)
- Paul Haluska
- Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA.
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Holly JM, Foulstone EJ, Perks CM. How growth hormone may be linked to cancer: concerns and perspective. Expert Rev Endocrinol Metab 2007; 2:759-771. [PMID: 30290467 DOI: 10.1586/17446651.2.6.759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Recent evidence from epidemiology indicates that inter-individual variations in the growth hormone (GH)/IGF-I pathway affect the risk of individuals developing common epithelial cancers. This is supported by associations between normal common variants within genes from the pathway and these cancers, which excludes many potential confounding issues, such as reverse causality. This raises concern for the increasing numbers of patients treated with GH; although replacement therapy for GH-deficiency should aim to restore normality, which should then only incur a normal risk. The links with cancer also offers promising new opportunities. Clinical trials treating cancer patients with pharmaceuticals targeting the IGF-I receptor are well advanced with promising initial findings. In the future, there has to be much more emphasis within oncology on prevention and the GH/IGF-I pathway is one of few identified risk factors that are modifiable, not just by pharmaceutical, but also nutritional, interventions that may, in the long term, be more appropriate. Assessing the status of the GH/IGF-I pathway in individuals may also provide a means for targeting screening programs and preventative measures.
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Affiliation(s)
- Jeff Mp Holly
- a University of Bristol, Department of Clinical Science at North Bristol, Paul O'Gorman Lifeline Centre, Southmead Hospital, Bristol BS10 5NB, UK.
| | - Emily J Foulstone
- a University of Bristol, Department of Clinical Science at North Bristol, Paul O'Gorman Lifeline Centre, Southmead Hospital, Bristol BS10 5NB, UK.
| | - Claire M Perks
- a University of Bristol, Department of Clinical Science at North Bristol, Paul O'Gorman Lifeline Centre, Southmead Hospital, Bristol BS10 5NB, UK.
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Lönn S, Inskip PD, Pollak MN, Weinstein SJ, Virtamo J, Albanes D. Glioma risk in relation to serum levels of insulin-like growth factors. Cancer Epidemiol Biomarkers Prev 2007; 16:844-6. [PMID: 17416782 DOI: 10.1158/1055-9965.epi-06-1010] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Several studies have suggested that insulin-like growth factors (IGF) are related to cancer risk. We investigated the associations between serum levels of IGF-I and IGF-binding protein-3 and glioma risk. A nested case-control study was conducted within a cancer prevention study, including 29,133 men (ages 50-69 years). In total, 22 glioma cases and 400 randomly selected controls were included. Serum samples were collected a minimum of 5 years before cancer diagnosis. Serum concentrations were measured using ELISA and divided into tertiles based on measurements among controls. Odds ratios and 95% confidence intervals were calculated using the lowest tertile as the reference category. No statistical association was detected between glioma and IGF-binding protein-3. IGF-I was inversely associated with glioma when comparing the lowest tertile with the other tertiles combined (odds ratio, 0.3; 95% confidence interval, 0.1-0.7). The results encourage future research on IGFs in relation to brain tumors in larger studies.
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Affiliation(s)
- Stefan Lönn
- Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Room 7053, 6120 Executive Boulevard, Bethesda, MD 20892-7238, USA.
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