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Chen Y, Liu X, Yu Y, Yu C, Yang L, Lin Y, Xi T, Ye Z, Feng Z, Shen B. PCaLiStDB: a lifestyle database for precision prevention of prostate cancer. Database (Oxford) 2020; 2020:baz154. [PMID: 31950190 PMCID: PMC6966110 DOI: 10.1093/database/baz154] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/30/2019] [Accepted: 12/13/2019] [Indexed: 02/05/2023]
Abstract
The interaction between genes, lifestyles and environmental factors makes the genesis and progress of prostate cancer (PCa) very heterogeneous. Positive lifestyle is important to the prevention and controlling of PCa. To investigate the relationship between PCa and lifestyle at systems level, we established a PCa related lifestyle database (PCaLiStDB) and collected the PCa-related lifestyles including foods, nutrients, life habits and social and environmental factors as well as associated genes and physiological and biochemical indexes together with the disease phenotypes and drugs. Data format standardization was implemented for the future Lifestyle-Wide Association Studies of PCa (PCa_LWAS). Currently, 2290 single-factor lifestyles and 856 joint effects of two or more lifestyles were collected. Among these, 394 are protective factors, 556 are risk factors, 45 are no-influencing factors, 52 are factors with contradictory views and 1977 factors are lacking effective literatures support. PCaLiStDB is expected to facilitate the prevention and control of PCa, as well as the promotion of mechanistic study of lifestyles on PCa. Database URL: http://www.sysbio.org.cn/pcalistdb/.
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Affiliation(s)
- Yalan Chen
- Center for Systems Biology, Soochow University, Suzhou 215006, China
- Department of Medical Informatics, School of Medicine, Nantong University, Nantong 226001, China
| | - Xingyun Liu
- Center for Systems Biology, Soochow University, Suzhou 215006, China
- Institutes for Systems Genetics, West China Hospital, Sichuan University, No.17 Gaopeng Avenue, Chengdu 610041, China
| | - Yijun Yu
- Department of Medical Informatics, School of Medicine, Nantong University, Nantong 226001, China
| | - Chunjiang Yu
- Center for Systems Biology, Soochow University, Suzhou 215006, China
- School of Nanotechnology, Suzhou Industrial Park Institute of Services Outsourcing, Suzhou 215123, China
| | - Lan Yang
- Center for Systems Biology, Soochow University, Suzhou 215006, China
| | - Yuxin Lin
- Center for Systems Biology, Soochow University, Suzhou 215006, China
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Ting Xi
- Department of Medical Informatics, School of Medicine, Nantong University, Nantong 226001, China
| | - Ziyun Ye
- Department of Medical Informatics, School of Medicine, Nantong University, Nantong 226001, China
| | - Zhe Feng
- Department of Medical Informatics, School of Medicine, Nantong University, Nantong 226001, China
| | - Bairong Shen
- Institutes for Systems Genetics, West China Hospital, Sichuan University, No.17 Gaopeng Avenue, Chengdu 610041, China
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Patel R, Khalifa AO, Isali I, Shukla S. Prostate cancer susceptibility and growth linked to Y chromosome genes. Front Biosci (Elite Ed) 2018; 10:423-436. [PMID: 29293466 PMCID: PMC6152832 DOI: 10.2741/e830] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The role of Y chromosome in prostate cancer progression and incidence is not well known. Among the 46 chromosomes, Y chromosome determines the male gender. The Y chromosome is smaller than the X chromosome and contains only 458 genes compared to over 2000 genes found in the X chromosome. The Y chromosome is prone to high mutation rates, created exclusively in sperm cells due to the highly oxidative environment of the testis. Y chromosome harbors epigenetic information, which affects the expression of genes associated with the incidence and progression of prostate cancer. In this review, we focus on Y chromosome related genetic abnormalities, likely to be involved in the development and progression of prostate cancer.
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Affiliation(s)
- Riddhi Patel
- Department of Urology, Case Western Reserve University, 11100 Euclid Avenue, Cleveland, OH, USA
| | - Ahmad O Khalifa
- Urology Dept. Case Western Reserve University, Cleveland, Ohio and Menofia University, Shebin Al kom, Egpt
| | - Ilaha Isali
- Department of Urology, Case Western Reserve University, 11100 Euclid Avenue, Cleveland, OH, USA
| | - Sanjeev Shukla
- Department of Urology, Case Western Reserve University, 11100 Euclid Avenue, Cleveland, OH, USA,
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Groeger J, Opler M, Kleinhaus K, Perrin MC, Calderon-Margalit R, Manor O, Paltiel O, Conley D, Harlap S, Malaspina D. Live birth sex ratios and father's geographic origins in Jerusalem, 1964-1976. Am J Hum Biol 2017; 29. [PMID: 27901293 DOI: 10.1002/ajhb.22945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 08/15/2016] [Accepted: 11/06/2016] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVE To examine whether ancestry influenced sex ratios of offspring in a birth cohort before parental antenatal sex selection influenced offspring sex. METHODS We measured the sex ratio as the percent of males according to countries of birth of paternal and maternal grandfathers in 91,459 live births from 1964 to 1976 in the Jerusalem Perinatal Study. Confidence limits (CI) were computed based on an expected sex ratio of 1.05, which is 51.4% male. RESULTS Of all live births recorded, 51.4% were male. Relative to Jewish ancestry (51.4% males), significantly more males (1,761) were born to Muslim ancestry (54.5, 95% CI = 52.1-56.8, P = 0.01). Among the former, sex ratios were not significantly associated with paternal or maternal age, education, or offspring's birth order. Consistent with a preference for male offspring, the sex ratio decreased despite increasing numbers of births over the 13-year period. Sex ratios were not affected by maternal or paternal origins in North Africa or Europe. However, the offspring whose paternal grandfathers were born in Western Asia included fewer males than expected (50.7, 50.1-51.3, P = 0.02), whether the father was born abroad (50.7) or in Israel (50.8). This was observed for descendents of paternal grandfathers born in Lebanon (47.6), Turkey (49.9), Yemen & Aden (50.2), Iraq (50.5), Afghanistan (50.5), Syria (50.6), and Cyprus (50.7); but not for those from India (51.5) or Iran (51.9). The West Asian group showed the strongest decline in sex ratios with increasing paternal family size. CONCLUSIONS A decreased sex ratio associated with ancestry in Western Asia is consistent with reduced ability to bear sons by a subset of Jewish men in the Jerusalem cohort. Lower sex ratios may be because of pregnancy stress, which may be higher in this subgroup. Alternatively, a degrading Y chromosome haplogroup or other genetic or epigenetic differences on male germ lines could affect birth ratios, such as differential exposure to an environmental agent, dietary differences, or stress. Differential stopping behaviors that favor additional pregnancies following the birth of a daughter might exacerbate these lower sex ratios.
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Affiliation(s)
- J Groeger
- College of Medicine, SUNY Downstate, Brooklyn, New York, 11203
| | - M Opler
- Department of Psychiatry, New York University School of Medicine, 1 Park Avenue, Floor 8, New York, New York, 10016, USA.,Prophase, 3 Park Avenue, New York, New York, 10016
| | - K Kleinhaus
- Department of Psychiatry, New York University School of Medicine, 1 Park Avenue, Floor 8, New York, New York, 10016, USA
| | - M C Perrin
- Department of Psychiatry, New York University School of Medicine, 1 Park Avenue, Floor 8, New York, New York, 10016, USA
| | - R Calderon-Margalit
- Braun School of Public Health, Hebrew University-Hadassah School of Public Health, Jerusalem, 91120, Israel.,Department of Sociology, Princeton University, Princeton, New Jersey, 08544
| | - O Manor
- Braun School of Public Health, Hebrew University-Hadassah School of Public Health, Jerusalem, 91120, Israel.,Department of Sociology, Princeton University, Princeton, New Jersey, 08544
| | - O Paltiel
- Braun School of Public Health, Hebrew University-Hadassah School of Public Health, Jerusalem, 91120, Israel.,Department of Sociology, Princeton University, Princeton, New Jersey, 08544
| | - D Conley
- Department of Sociology, Princeton University, Princeton, New Jersey, 08544
| | - S Harlap
- Department of Psychiatry, New York University School of Medicine, 1 Park Avenue, Floor 8, New York, New York, 10016, USA
| | - D Malaspina
- Department of Psychiatry, New York University School of Medicine, 1 Park Avenue, Floor 8, New York, New York, 10016, USA
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Wirén S, Drevin L, Akre O, Robinson D, Stattin P. Fathering of dizygotic twins and risk of prostate cancer: nationwide, population-based case-control study. PLoS One 2014; 9:e110506. [PMID: 25337702 PMCID: PMC4206421 DOI: 10.1371/journal.pone.0110506] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Accepted: 09/14/2014] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND An association between male fertility and risk of prostate cancer has been suggested, possibly through lower androgen levels in subfertile men. We evaluated male fertility in relation to risk of prostate cancer by assessing the frequency of fathering of dizygotic twins, a marker of high fertility, among cases of prostate cancer and controls. METHODS We performed a case-control study in Prostate Cancer data Base Sweden (PCBaSe), a nationwide, population-based cohort. PCBaSe was linked to the Swedish twin register for information on zygosity for same-sex twins and to other nationwide health care registers and demographic databases for information on socioeconomic factors, comorbidity, and tumor characteristics for 96 301 prostate cancer cases and 378 583 matched controls. To account for the influence of in vitro fertilization on dizygotic twinning, analyses were restricted to men who had fathered children before 1991, when in vitro fertilization was still uncommon in Sweden. RESULTS 1 112 cases and 4 538 controls had fathered dizygotic twins. Men with dizygotic twins had no increased risk of prostate cancer compared to fathers of singletons; neither for total prostate cancer odds ratio (OR) 0.95(95% CI 0.89-1.02), nor for any risk category, OR 0.97 (95% CI 0.84-1.12) for low-risk disease, and OR 1.04 (95% CI 0.90-1.22) for metastatic disease. CONCLUSION The lack of association between fathering of dizygotic twins and prostate cancer risk give no support for an association between male fertility and prostate cancer risk.
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Affiliation(s)
- Sara Wirén
- Department of Surgery and Perioperative Sciences, Urology and Andrology, Umeå University, Umeå, Sweden
| | - Linda Drevin
- Regional Cancer Centre, Uppsala University Hospital, Uppsala, Sweden
| | - Olof Akre
- Clinical Epidemiology Unit, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - David Robinson
- Department of Urology, Ryhov County Hospital, Jönköping, Sweden
| | - Pär Stattin
- Department of Surgery and Perioperative Sciences, Urology and Andrology, Umeå University, Umeå, Sweden
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Ausmees K, Korrovits P, Timberg G, Erm T, Punab M, Mändar R. Semen quality in middle-aged males: associations with prostate-specific antigen and age-related prostate conditions. HUM FERTIL 2014; 17:60-6. [DOI: 10.3109/14647273.2014.881563] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Wirén SM, Drevin LI, Carlsson SV, Akre O, Holmberg EC, Robinson DE, Garmo HG, Stattin PE. Fatherhood status and risk of prostate cancer: nationwide, population-based case-control study. Int J Cancer 2013; 133:937-43. [PMID: 23354735 PMCID: PMC3734704 DOI: 10.1002/ijc.28057] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2012] [Accepted: 12/21/2012] [Indexed: 11/06/2022]
Abstract
Previous studies have shown a decreased risk of prostate cancer for childless men; however, the cause of the association remains to be elucidated. The aim of our study was to assess the risk of prostate cancer by fatherhood status, also considering potential confounding factors. In a case-control study in Prostate Cancer data Base Sweden 2.0, a nationwide, population-based cohort, data on number of children, marital status, education, comorbidity and tumor characteristics obtained through nationwide healthcare registers and demographic databases for 117,328 prostate cancer cases and 562,644 controls, matched on birth year and county of residence, were analyzed. Conditional logistic regression was used to estimate odds ratios (ORs) and 95% confidence intervals (95% CIs) for prostate cancer overall and by risk category, adjusting for marital status and education. Childless men had a decreased risk of prostate cancer compared to fathers, OR = 0.83 (95% CI = 0.82-0.84), and risk was lower for low-risk prostate cancer, OR = 0.74 (95% CI = 0.72-0.77), than for metastatic prostate cancer, OR = 0.93 (95% CI = 0.90-0.97). Adjustment for marital status and education attenuated the association in the low-risk category, adjusted OR = 0.87 (95% CI = 0.84-0.91), whereas OR for metastatic cancer remained virtually unchanged, adjusted OR = 0.92 (95% CI = 0.88-0.96). Our data indicate that the association between fatherhood status and prostate cancer to a large part is due to socioeconomic factors influencing healthcare-seeking behavior including testing of prostate-specific antigen levels.
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Affiliation(s)
- Sara M Wirén
- Department of Surgery and Perioperative Sciences, Urology and Andrology, Umeå University, Umeå, Sweden
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Abstract
PURPOSE OF REVIEW Male infertility impacts a substantial proportion of men and has serious implication for a man's quality of life. Advances in reproductive technology may allow men to bypass urologic care in order to achieve their family planning goals. Recent data suggests that male reproductive failure may be a harbinger of future urologic diseases, including prostate cancer (CaP), thus emphasizing the importance of dedicated urologic evaluation and care for all male infertility patients. RECENT FINDINGS We will review the epidemiologic data that explores an association between male reproductive health and CaP. We will review the potential biologic mechanisms that may underlie this association, and explore possible reasons for inconsistencies in study findings. SUMMARY Studies of the association between male infertility and CaP are inconsistent. Despite this, the association between reproductive health in a man's fourth decade (30s) and his development of aggressive CaP in his sixth decade (50s) should not be ignored. These findings, combined with the robustness of the potential common underlying mechanisms, provide a foundation for future studies of male reproductive health that are more specific in their approach to answering questions about the association between male reproductive failure and future systemic disease.
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Eisenberg ML, Park Y, Brinton LA, Hollenbeck AR, Schatzkin A. Fatherhood and incident prostate cancer in a prospective US cohort. Int J Epidemiol 2010; 40:480-7. [PMID: 20959354 DOI: 10.1093/ije/dyq163] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Fatherhood status has been hypothesized to affect prostate cancer risk but the current evidence is limited and contradictory. METHODS We prospectively evaluated the relationship between offspring number and the risk of prostate cancer in 161,823 men enrolled in the National Institues of Health - American Association of Retired Persons Diet and Health Study. Participants were aged 50-71 years without a cancer diagnosis at baseline in 1995. Analysing 8134 cases of prostate cancer, Cox regression was used to estimate the association between offspring number and prostate cancer incidence while accounting for socio-demographic and lifestyle characteristics. RESULTS When examining the entire cohort, there was no relationship between fatherhood and incident prostate cancer [hazard ratio (HR) 0.94, 95% confidence interval (CI) 0.86-1.02]. However, after stratifying for prostate cancer screening, prostate-specific antigen (PSA) unscreened childless men had a lower risk of prostate cancer (HR 0.73, 95% CI 0.58-0.91) compared with fathers due to the interaction between PSA screening and fatherhood (P for interaction < 0.01). A trend for the lower risk of prostate cancer among unscreened fathers compared with childless men was seen for low-grade prostate cancer (HR 0.78, 95% CI 0.61-1.01), high-grade prostate cancer (HR 0.62, 95% CI 0.37-1.04) and even fatal prostate cancer (HR 0.28, 95% CI 0.07-1.12). The number of children fathered was not related to prostate cancer (P(trend) = 0.17). In addition, men's inability to sire female offspring showed a weak positive association with prostate cancer in the PSA unscreened study subjects. CONCLUSIONS Our findings suggest fatherhood status and offspring gender is associated with a man's prostate cancer risk.
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Affiliation(s)
- Michael L Eisenberg
- Department of Urology, University of California San Francisco, San Francisco, CA, USA.
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Walsh TJ, Schembri M, Turek PJ, Chan JM, Carroll PR, Smith JF, Eisenberg ML, Van Den Eeden SK, Croughan MS. Increased risk of high-grade prostate cancer among infertile men. Cancer 2010; 116:2140-7. [PMID: 20309846 DOI: 10.1002/cncr.25075] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND It has been reported that fatherhood status may be a risk factor for prostate cancer. In the current study, the authors examined the subsequent occurrence of prostate cancer in a cohort of men evaluated for infertility to determine whether male infertility is a risk factor for prostate cancer. METHODS A total of 22,562 men who were evaluated for infertility from 1967 to 1998 were identified from 15 California infertility centers and linked to the California Cancer Registry. The incidence of prostate cancer was compared with the incidence in an age-matched and geography-matched sample of men from the general population. The risk of prostate cancer in men with and those without male factor infertility was modeled using a Cox proportional hazards regression model. RESULTS A total of 168 cases of prostate cancer that developed after infertility were identified. Men evaluated for infertility but not necessarily with male factors were not found to have an increased risk of cancer compared with the general population (standardized incidence ratio [SIR], 0.9; 95% confidence interval [95% CI], 0.8-1.1). This risk was found to be highest for men with male factor infertility who developed high-grade prostate cancer (SIR, 2.0; 95% CI, 1.2-3.0). On multivariate analyses, men with male factor infertility were found to be 2.6 times more likely to be diagnosed with high-grade prostate cancer (hazard ratio, 2.6; 95% CI, 1.4-4.8). CONCLUSIONS Men with male factor infertility were found to have an increased risk of subsequently developing high-grade prostate cancer. Male infertility may be an early and identifiable risk factor for the development of clinically significant prostate cancer.
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Affiliation(s)
- Thomas J Walsh
- Department of Urology, University of Washington School of Medicine, Seattle, Washington 98195-6510, USA.
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Rajekar H, Wai CT, Majeed TA, Lee KH, Wong SY, Leong SO, Singh R, Tay KH, Soosaynathan C, Tan KC. Prognostic factors in patients with acute liver failure undergoing live donor liver transplantation. Transplant Proc 2008; 410:1-8. [PMID: 18929776 DOI: 10.1016/j.gene.2007.11.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2007] [Revised: 11/27/2007] [Accepted: 11/29/2007] [Indexed: 01/24/2023]
Abstract
Mortality from acute liver failure (ALF) is high. Live donor liver transplantation (LDLT) is the treatment of choice for ALF in Asia, because cadaveric donors are rare. We sought to review our results in ALF patients with undergoing LDLT at our center. One hundred two LDLTs were performed at our center from April 2002 to November 2007, 15 (14%) because of ALF. Mean (SEM; median, range) follow-up was 1,065 (189; 1400; 3-2046) days. Nine patients (60%) had acute exacerbation of chronic hepatitis B; and 6 (40%) had drug-induced liver injury. Age was 47 (3; 50; 27-65) years. Ten patients (67%) were men. At transplantation, laboratory values were included bilirubin, 449 (35) micromol/L; creatinine concentration, 182 (32) mmol/L. The international normalized ratio was 2.4 (0.2). The Model for End-Stage Liver Disease (MELD) score was 34 (2). Both inpatient and long-term mortality was 20% 3 of 15 patients died. The 5-year survival was 80%. Compared with survivors, patients who died had a significantly higher creatinine concentration 289 vs 155 micromol/L, international normalized ratio (3.4 vs 2.1), MELD score (47 vs 32). We conclude that despite being sick with median and mean MELD scores of 32 and 34, 80% of patients with ALF can achieve good long-term survival after LDLT.
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Affiliation(s)
- H Rajekar
- Asian Center for Liver Diseases and Transplantation, Singapore
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Malaspina D, Corcoran C, Kleinhaus KR, Perrin MC, Fennig S, Nahon D, Friedlander Y, Harlap S. Acute maternal stress in pregnancy and schizophrenia in offspring: a cohort prospective study. BMC Psychiatry 2008; 8:71. [PMID: 18717990 PMCID: PMC2546388 DOI: 10.1186/1471-244x-8-71] [Citation(s) in RCA: 129] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2008] [Accepted: 08/21/2008] [Indexed: 01/27/2023] Open
Abstract
UNLABELLED Schizophrenia has been linked with intrauterine exposure to maternal stress due to bereavement, famine and major disasters. Recent evidence suggests that human vulnerability may be greatest in the first trimester of gestation and rodent experiments suggest sex specificity. We aimed to describe the consequence of an acute maternal stress, through a follow-up of offspring whose mothers were pregnant during the Arab-Israeli war of 1967. A priori, we focused on gestational month and offspring's sex. METHOD In a pilot study linking birth records to Israel's Psychiatric Registry, we analyzed data from a cohort of 88,829 born in Jerusalem in 1964-76. Proportional hazards models were used to estimate the relative risk (RR) of schizophrenia, according to month of birth, gender and other variables, while controlling for father's age and other potential confounders. Other causes of hospitalized psychiatric morbidity (grouped together) were analyzed for comparison. RESULTS There was a raised incidence of schizophrenia for those who were in the second month of fetal life in June 1967 (RR = 2.3, 1.1-4.7), seen more in females (4.3, 1.7-10.7) than in males (1.2, 0.4-3.8). Results were not explained by secular or seasonal variations, altered birth weight or gestational age. For other conditions, RRs were increased in offspring who had been in the third month of fetal life in June 1967 (2.5, 1.2-5.2), also seen more in females (3.6, 1.3-9.7) than males (1.8, 0.6-5.2). CONCLUSION These findings add to a growing literature, in experimental animals and humans, attributing long term consequences for offspring of maternal gestational stress. They suggest both a sex-specificity and a relatively short gestational time-window for gestational effects on vulnerability to schizophrenia.
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Affiliation(s)
- D Malaspina
- Department of Psychiatry, New York University School of Medicine, New York, NY, USA.
| | - C Corcoran
- Department of Psychiatry, Columbia University, New York, NY, USA,New York State Psychiatric Institute, New York, NY, USA
| | - KR Kleinhaus
- Department of Psychiatry, Columbia University, New York, NY, USA
| | - MC Perrin
- Department of Psychiatry, New York University School of Medicine, New York, NY, USA
| | - S Fennig
- Shalvata Mental Health Center, Ramat Gan, Israel,Sackler School of Medicine, Tel Aviv University, Israel
| | - D Nahon
- Department of Information and Evaluation, Ministry of Health, Jerusalem, Israel
| | - Y Friedlander
- Braun School of Public Health, Hebrew University of Jerusalem, Israel
| | - S Harlap
- Department of Psychiatry, New York University School of Medicine, New York, NY, USA,Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
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Bibliography. Current world literature. Adrenal cortex. Curr Opin Endocrinol Diabetes Obes 2008; 15:284-299. [PMID: 18438178 DOI: 10.1097/med.0b013e3283040e80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Jørgensen KT, Pedersen BV, Johansen C, Frisch M. Fatherhood status and prostate cancer risk. Cancer 2008; 112:919-23. [PMID: 18181100 DOI: 10.1002/cncr.23230] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Whether fatherhood status affects prostate cancer risk remains controversial. Recently, it was proposed that childless men are at lower prostate cancer risk than men with children and that men with sons may be at lower risk than men with daughters only. METHODS National population-based register data were used to address these associations between fatherhood status and prostate cancer risk. The cohort comprised all men born in Denmark between 1935 and 1988, among whom 3400 developed prostate cancer during a total of 51.6 million person-years of follow-up between 1968 and 2003. RESULTS Childless men were found to be at a 16% reduced risk of prostate cancer compared with fathers (rate ratio [RR] of 0.84; 95% confidence interval [95% CI], 0.73-0.95). The sex of the offspring did not affect prostate cancer risk (fathers with sons vs fathers without sons: RR of 0.99; 95% CI, 0.90-1.08). Among fathers, a significant trend was observed of gradually reduced prostate cancer risk with increasing number of children (P = .009), a pattern applying to both sons (P = .01) and daughters (P = .04). CONCLUSIONS Our national cohort study corroborates the view that men without children constitute a group that is at a moderately reduced risk of prostate cancer. Among men with children, there appears to be a linear decline in prostate cancer risk with increasing number of children that is independent of the sex of the offspring.
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Affiliation(s)
- Kristian T Jørgensen
- Department of Epidemiology Research at Statens Serum Institut, Copenhagen, Denmark.
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Bermejo JL, Sundquist J, Hemminki K. Re: Prostate cancer in fathers with fewer male offspring: the Jerusalem Perinatal Study cohort. J Natl Cancer Inst 2007; 99:901-2; author reply 903-4. [PMID: 17551156 DOI: 10.1093/jnci/djk208] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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James WH. Re: Prostate cancer in fathers with fewer male offspring: the Jerusalem Perinatal Study cohort. J Natl Cancer Inst 2007; 99:902; author reply 903-4. [PMID: 17551157 DOI: 10.1093/jnci/djk209] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Harlap S, Friedlander Y, Barchana M, Calderon R, Deutsch L, Kleinhaus KR, Perrin MC, Tiram E, Yanetz R, Paltiel O. Late fetal death in offspring and subsequent incidence of prostate cancer in fathers: the Jerusalem Perinatal Study cohort. Prostate 2007; 67:989-98. [PMID: 17440938 DOI: 10.1002/pros.20591] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Little is known of the causes of prostate cancer and few previous studies have investigated men's reproductive histories in relation to this disease. We sought to determine whether risk of prostate cancer was altered in men who had fathered stillborn offspring. METHODS We studied the incidence of prostate cancer (N = 252) in a cohort of 15,268 fathers followed for 28-41 years from the birth of a live offspring, whose wives participated in one of two separate surveys of outcomes of previous births. Proportional hazards models were used to estimate relative risks (RR) associated with previous stillbirths, controlling for changes in incidence over time, social and occupational factors. RESULTS The 543 men with one or more stillborn offspring experienced an increased risk of prostate cancer (adjusted RR = 1.87, 95% confidence interval = 1.17-3.00, P = 0.0095), compared to men without stillbirths. With one reported stillbirth, the RR was 1.68 (0.99-2.84); with two or more, the RR was 3.29 (1.22-8.88). Results were consistent in men whose wives were interviewed in 1965-1968 and 1974-1976. In 100 fathers with no male offspring and at least one stillbirth the RR was 4.04 (1.87-8.71, P = 0.0004). CONCLUSIONS These findings should be considered hypothesis-generating and require confirmation in other studies. They suggest that stillbirth and prostate cancer may have shared environmental causes; alternatively, genetic susceptibility to prostate cancer might increase the risk of a stillbirth in offspring.
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Affiliation(s)
- S Harlap
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032, USA.
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