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Cha C, Jung H, Kim S, Lee JE, Ko KP, Cho E, Park HY, Lim JY, Song BM, Song S, Park S, Cho A. Korea Nurses' Health Study and the health of reproductive-aged women: a cohort profile. Epidemiol Health 2024:e2024048. [PMID: 38697860 DOI: 10.4178/epih.e2024048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 04/07/2024] [Indexed: 05/05/2024] Open
Abstract
The Korea Nurses' Health Study (KNHS) is an ongoing, large-scale, prospective cohort study of female nurses, focusing on the effects of occupational, environmental, and lifestyle factors on the health of women. The first KNHS survey was performed in 2013-2014 (n=20,613). As of December 2023, 11 follow-up surveys have been conducted. Participants who were pregnant were asked to participate in the early pregnancy survey (n=2,179) and postpartum survey after giving birth (n=2,790). The main variables included sociodemographic, work-related, lifestyle, physical, mental, and women's health factors. Blood, urine, and toenail samples were collected from a participant subgroup of the first survey (n=1,983). The subgroups of the second survey completed a food frequency questionnaire in 2019 (n=300) and 2021 (n=871). In 2020, a subgroup of the first survey answered a coronavirus disease 2019 (COVID-19)-related survey (n=975). To examine various health-related factors in young adults, new participants were added to the KNHS cohort in the 11th (n=1,000) and 12th (n=1,002) surveys. The KNHS cohort will help identify health and illness determinants in Korean women. Data can be accessed at https://coda.nih.go.kr/frt/index.do.
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Affiliation(s)
- Chiyoung Cha
- College of Nursing, Ewha Research Institute of Nursing Science, System Health & Engineering major in graduate school, Ewha Womans University, Seoul, Korea
| | - Heeja Jung
- College of Nursing, Konyang University, Daejeon, Korea
| | - Sue Kim
- College of Nursing, Yonsei University, Seoul, Korea
| | - Jung Eun Lee
- Department of Food and Nutrition, College of Human Ecology, Research Institute of Human Ecology, Seoul National University, Seoul, Korea
| | - Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Eunyoung Cho
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, RI, United States
| | | | - Joong-Yeon Lim
- Division of Population Health Research, Department of Precision Medicine, Korea National Institute of Health, Cheongju, Korea
| | - Bo Mi Song
- Division of Population Health Research, Department of Precision Medicine, Korea National Institute of Health, Cheongju, Korea
| | - Sihan Song
- Division of Population Health Research, Department of Precision Medicine, Korea National Institute of Health, Cheongju, Korea
| | - Soojin Park
- Division of Population Health Research, Department of Precision Medicine, Korea National Institute of Health, Cheongju, Korea
| | - Aram Cho
- College of Nursing, System Health & Engineering major in graduate school, Ewha Womans University, Seoul, Korea
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2
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Lee H, Choi JY, Kim SW, Ko KP, Park YS, Kim KJ, Shin J, Kim CO, Ko MJ, Kang SJ, Kim KI. Digital Health Technology Use Among Older Adults: Exploring the Impact of Frailty on Utilization, Purpose, and Satisfaction in Korea. J Korean Med Sci 2024; 39:e7. [PMID: 38193326 PMCID: PMC10782036 DOI: 10.3346/jkms.2024.39.e7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 10/24/2023] [Indexed: 01/10/2024] Open
Abstract
BACKGROUND The importance of digital technology is increasing among older adults. In this study, the digital health technology utilization status, purpose, and satisfaction of older adults were investigated according to frailty. METHODS A face-to-face survey was conducted among adults aged 65 years or older. Frailty was defined using the Korean version of the fatigue, resistance, ambulation, illnesses, and loss of weight scale. RESULTS A total of 505 participants completed the survey, with 153 (30.3%) identified as pre-frail or frail and 352 (69.7%) as healthy. All respondents used smartphones; 440 (87.1%) were application users, and 290 (57.4%) were healthcare application users. Wearable devices were used by only 36 patients (7.1%). Pre-frail or frail respondents used social media more frequently than healthy respondents (19.4% vs. 7.4%, P < 0.001). Among the respondents, 319 (63.2%) were not able to install or delete the application themselves, and 277 (54.9%) stated that the application was recommended by their children (or partner). Pre-frail and frail respondents used more healthcare applications to obtain health information (P = 0.002) and were less satisfied with wearable devices (P = 0.02). CONCLUSION The usage rate of digital devices, including mobile phones among older adults in Korea is high, whereas that of wearable devices is low. There was a notable difference in the services used by pre-frail and frail respondents compared to healthy respondents. Therefore, when developing digital devices for pre-frail and frail older adults, it is crucial to incorporate customized services that meet their unique needs, particularly those services that they frequently use.
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Affiliation(s)
- Hyejin Lee
- Department of Family Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Family Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Jung-Yeon Choi
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Sun-Wook Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Yang Sun Park
- Devision of Geriatrics, Department of Internal Medicine, Yonsei University of College of Medicine, Seoul, Korea
- Institute for Innovation in Digital Healthcare, Yonsei University Health System, Seoul, Korea
| | - Kwang Joon Kim
- Devision of Geriatrics, Department of Internal Medicine, Yonsei University of College of Medicine, Seoul, Korea
- Institute for Innovation in Digital Healthcare, Yonsei University Health System, Seoul, Korea
| | - Jaeyong Shin
- Department of Preventive Medicine & Institute of Health Services Research, Yonsei University College of Medicine, Seoul, Korea
| | - Chang Oh Kim
- Devision of Geriatrics, Department of Internal Medicine, Yonsei University of College of Medicine, Seoul, Korea
| | - Myung Jin Ko
- Silvia Health, Seoul, Korea
- Seoul National University College of Medicine, Seoul, Korea
| | | | - Kwang-Il Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
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3
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Lim W, Moon S, Lee NR, Shin HG, Yu SY, Lee JE, Kim I, Ko KP, Park SK. Group I pharmaceuticals of IARC and associated cancer risks: systematic review and meta-analysis. Sci Rep 2024; 14:413. [PMID: 38172159 PMCID: PMC10764325 DOI: 10.1038/s41598-023-50602-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 12/21/2023] [Indexed: 01/05/2024] Open
Abstract
We aimed to summarize the cancer risk among patients with indication of group I pharmaceuticals as stated in monographs presented by the International Agency for Research on Cancer working groups. Following the PRISMA guidelines, a comprehensive literature search was conducted using the PubMed database. Pharmaceuticals with few studies on cancer risk were identified in systematic reviews; those with two or more studies were subjected to meta-analysis. For the meta-analysis, a random-effects model was used to calculate the summary relative risks (SRRs) and 95% confidence intervals (95% CIs). Heterogeneity across studies was presented using the Higgins I square value from Cochran's Q test. Among the 12 group I pharmaceuticals selected, three involved a single study [etoposide, thiotepa, and mustargen + oncovin + procarbazine + prednisone (MOPP)], seven had two or more studies [busulfan, cyclosporine, azathioprine, cyclophosphamide, methoxsalen + ultraviolet (UV) radiation therapy, melphalan, and chlorambucil], and two did not have any studies [etoposide + bleomycin + cisplatin and treosulfan]. Cyclosporine and azathioprine reported increased skin cancer risk (SRR = 1.32, 95% CI 1.07-1.62; SRR = 1.56, 95% CI 1.25-1.93) compared to non-use. Cyclophosphamide increased bladder and hematologic cancer risk (SRR = 2.87, 95% CI 1.32-6.23; SRR = 2.43, 95% CI 1.65-3.58). Busulfan increased hematologic cancer risk (SRR = 6.71, 95% CI 2.49-18.08); melphalan was associated with hematologic cancer (SRR = 4.43, 95% CI 1.30-15.15). In the systematic review, methoxsalen + UV and MOPP were associated with an increased risk of skin and lung cancer, respectively. Our results can enhance persistent surveillance of group I pharmaceutical use, establish novel clinical strategies for patients with indications, and provide evidence for re-categorizing current group I pharmaceuticals into other groups.
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Affiliation(s)
- Woojin Lim
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Cancer Research Institute, Seoul National University, Seoul, 03080, Republic of Korea
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, 03080, Republic of Korea
| | - Sungji Moon
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Cancer Research Institute, Seoul National University, Seoul, 03080, Republic of Korea
- Interdisciplinary Program in Cancer Biology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Na Rae Lee
- National Evidence-based Healthcare Collaborating Agency (NECA), Seoul, 04933, Republic of Korea
| | - Ho Gyun Shin
- National Evidence-based Healthcare Collaborating Agency (NECA), Seoul, 04933, Republic of Korea
| | - Su-Yeon Yu
- National Evidence-based Healthcare Collaborating Agency (NECA), Seoul, 04933, Republic of Korea
| | - Jung Eun Lee
- Department of Food and Nutrition, Seoul National University College of Human Ecology, Seoul, 08826, Republic of Korea
| | - Inah Kim
- Department of Occupational and Environmental Medicine, Hanyang University College of Medicine, Seoul, 04763, Republic of Korea
| | - Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang Hospital, Seongnam-si, Gyeonggi-do, 13620, Republic of Korea
| | - Sue K Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
- Cancer Research Institute, Seoul National University, Seoul, 03080, Republic of Korea.
- Integrated Major in Innovative Medical Science, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
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4
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Abstract
Gastric cancer has been consistently decreasing worldwide, whereas cardia gastric cancer is on the rise. This indicates that the exposure rates to epidemiological causes are changing. In this study, we aim to review the risk factors for gastric cancer with respect to cardia and non-cardia types. One of the most significant risk factors for gastric cancer is Helicobacter pylori infection. H. pylori infection is known as a risk factor for non-cardia gastric cancer, and there have been results indicating that H. pylori infection is not associated with cardia gastric cancer. However, in the East Asian region, there is epidemiological evidence suggesting that H. pylori infection might be a risk factor for cardia gastric cancer. Smoking and alcohol consumption are known risk factors for gastric cancer, regardless of anatomical location. Obesity is considered a factor in the development of cardia gastric cancer. However, further research is needed to understand the specific relationship with non-cardia gastric cancer. The consumption of high-salt and processed meat is more distinctly associated with non-cardia gastric cancer than in cardia gastric cancer. In addition to these factors, exposure to chemicals and radiation are considered risk factors for gastric cancer. Primary prevention of gastric cancer involves eliminating or avoiding risk factors such as H. pylori eradication and adopting a healthy lifestyle, including quitting smoking, reducing alcohol consumption, maintaining a healthy weight, and having a low-salt diet.
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Affiliation(s)
- Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang Hospital, Seongnam, Korea.
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5
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Shin J, Kim H, Jeong HJ, Lee J, Moon J, Ko KP, Kim Y. Trends in Prehospital Visits as a Cause of Delayed Admission in Korean Stroke Patients over a 10-Year Period: A National Health Insurance Claims Data Study. Rev Cardiovasc Med 2023. [DOI: 10.31083/j.rcm2403083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
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6
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Hong Y, Lee S, Moon S, Sung S, Lim W, Kim K, An S, Choi J, Ko KP, Kim I, Lee JE, Park SK. Projection of Cancer Incidence and Mortality From 2020 to 2035 in the Korean Population Aged 20 Years and Older. J Prev Med Public Health 2022; 55:529-538. [PMID: 36475318 DOI: 10.3961/jpmph.22.128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 09/23/2022] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVES This study aimed to identify the current patterns of cancer incidence and estimate the projected cancer incidence and mortality between 2020 and 2035 in Korea. METHODS Data on cancer incidence cases were extracted from the Korean Statistical Information Service from 2000 to 2017, and data on cancer-related deaths were extracted from the National Cancer Center from 2000 to 2018. Cancer cases and deaths were classified according to the International Classification of Diseases, 10th edition. For the current patterns of cancer incidence, age-standardized incidence rates (ASIRs) and age-standardized mortality rates were investigated using the 2000 mid-year estimated population aged over 20 years and older. A joinpoint regression model was used to determine the 2020 to 2035 trends in cancer. RESULTS Overall, cancer cases were predicted to increase from 265 299 in 2020 to 474 085 in 2035 (growth rate: 1.8%). The greatest increase in the ASIR was projected for prostate cancer among male (7.84 vs. 189.53 per 100 000 people) and breast cancer among female (34.17 vs. 238.45 per 100 000 people) from 2000 to 2035. Overall cancer deaths were projected to increase from 81 717 in 2020 to 95 845 in 2035 (average annual growth rate: 1.2%). Although most cancer mortality rates were projected to decrease, those of breast, pancreatic, and ovarian cancer among female were projected to increase until 2035. CONCLUSIONS These up-to-date projections of cancer incidence and mortality in the Korean population may be a significant resource for implementing cancer-related regulations or developing cancer treatments.
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Affiliation(s)
- Youjin Hong
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Integrated Major in Innovative Medical Science, Seoul National University College of Medicine, Seoul, Korea
| | - Sangjun Lee
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
| | - Sungji Moon
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Interdisciplinary Program in Cancer Biology, Seoul National University College of Medicine, Seoul, Korea
| | - Soseul Sung
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
| | - Woojin Lim
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
| | - Kyungsik Kim
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
| | - Seokyung An
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
| | - Jeoungbin Choi
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
| | - Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang Hospital, Seoul, Korea
| | - Inah Kim
- Department of Occupational and Environmental Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Jung Eun Lee
- Department of Food and Nutrition, Seoul National University, Seoul, Korea
| | - Sue K Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Integrated Major in Innovative Medical Science, Seoul National University College of Medicine, Seoul, Korea
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7
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Lee S, Ko KP, Lee JE, Kim I, Jee SH, Shin A, Kweon SS, Shin MH, Park S, Ryu S, Yang SY, Choi SH, Kim J, Yi SW, Kang D, Yoo KY, Park SK. The Korea Cohort Consortium: The Future of Pooling Cohort Studies. J Prev Med Public Health 2022; 55:464-474. [PMID: 36229909 PMCID: PMC9561144 DOI: 10.3961/jpmph.22.299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 08/19/2022] [Indexed: 11/09/2022] Open
Abstract
Objectives: We introduced the cohort studies included in the Korean Cohort Consortium (KCC), focusing on large-scale cohort studies established in Korea with a prolonged follow-up period. Moreover, we also provided projections of the follow-up and estimates of the sample size that would be necessary for big-data analyses based on pooling established cohort studies, including population-based genomic studies.Methods: We mainly focused on the characteristics of individual cohort studies from the KCC. We developed “PROFAN”, a Shiny application for projecting the follow-up period to achieve a certain number of cases when pooling established cohort studies. As examples, we projected the follow-up periods for 5000 cases of gastric cancer, 2500 cases of prostate and breast cancer, and 500 cases of non-Hodgkin lymphoma. The sample sizes for sequencing-based analyses based on a 1:1 case-control study were also calculated.Results: The KCC consisted of 8 individual cohort studies, of which 3 were community-based and 5 were health screening-based cohorts. The population-based cohort studies were mainly organized by Korean government agencies and research institutes. The projected follow-up period was at least 10 years to achieve 5000 cases based on a cohort of 0.5 million participants. The mean of the minimum to maximum sample sizes for performing sequencing analyses was 5917-72 102.Conclusions: We propose an approach to establish a large-scale consortium based on the standardization and harmonization of existing cohort studies to obtain adequate statistical power with a sufficient sample size to analyze high-risk groups or rare cancer subtypes.
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Affiliation(s)
- Sangjun Lee
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul,
Korea
- Cancer Research Institute, Seoul National University College of Medicine, Seoul,
Korea
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul,
Korea
| | - Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang Hospital, Seongnam,
Korea
| | - Jung Eun Lee
- Department of Food and Nutrition, Seoul National University, Seoul,
Korea
| | - Inah Kim
- Department of Occupational and Environmental Medicine, Hanyang University College of Medicine, Seoul,
Korea
| | - Sun Ha Jee
- Department of Epidemiology and Health Promotion, Institute for Health Promotion, Graduate School of Public Health, Yonsei University, Seoul,
Korea
| | - Aesun Shin
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul,
Korea
- Cancer Research Institute, Seoul National University College of Medicine, Seoul,
Korea
- Integrated Major in Innovative Medical Science, Seoul National University College of Medicine, Seoul,
Korea
| | - Sun-Seog Kweon
- Department of Preventive Medicine, Chonnam National University Medical School, Hwasun,
Korea
| | - Min-Ho Shin
- Department of Preventive Medicine, Chonnam National University Medical School, Hwasun,
Korea
| | - Sangmin Park
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul,
Korea
- Department of Family Medicine, Seoul National University Hospital, Seoul,
Korea
| | - Seungho Ryu
- Department of Occupational and Environmental Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul,
Korea
| | - Sun Young Yang
- Department of Internal Medicine, Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, Seoul,
Korea
| | - Seung Ho Choi
- Department of Internal Medicine, Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, Seoul,
Korea
| | - Jeongseon Kim
- Graduate School of Science and Policy, National Cancer Center,
Korea
| | - Sang-Wook Yi
- Department of Preventive Medicine and Public Health, Catholic Kwandong University College of Medicine, Gangneung,
Korea
| | - Daehee Kang
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul,
Korea
- Cancer Research Institute, Seoul National University College of Medicine, Seoul,
Korea
- Integrated Major in Innovative Medical Science, Seoul National University College of Medicine, Seoul,
Korea
| | - Keun-Young Yoo
- Veterans Health Service Medical Center, Seoul,
Korea
- Seoul National University College of Medicine, Seoul,
Korea
| | - Sue K. Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul,
Korea
- Cancer Research Institute, Seoul National University College of Medicine, Seoul,
Korea
- Integrated Major in Innovative Medical Science, Seoul National University College of Medicine, Seoul,
Korea
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8
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Jang J, Lee S, Ko KP, Abe SK, Rahman MS, Saito E, Islam MR, Sawada N, Shu XO, Koh WP, Sadakane A, Tsuji I, Kim J, Oze I, Nagata C, Tsugane S, Cai H, Yuan JM, Gao YT, Ozasa K, Matsuyama S, Kanemura S, Shin A, Ito H, Wada K, Sugawara Y, Chen Y, Ahsan H, Boffetta P, Chia KS, Matsuo K, Qiao YL, Rothman N, Zheng W, Inoue M, Kang D, Park SK. Association between Body Mass Index and Risk of Gastric Cancer by Anatomic and Histologic Subtypes in Over 500,000 East and Southeast Asian Cohort Participants. Cancer Epidemiol Biomarkers Prev 2022; 31:1727-1734. [PMID: 35793701 PMCID: PMC9489277 DOI: 10.1158/1055-9965.epi-22-0051] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 04/13/2022] [Accepted: 06/24/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND This study was performed to investigate the association between body mass index (BMI) and gastric cancer in East and Southeast Asia where most of gastric cancer is non-cardia gastric cancer. METHODS On the basis of 8,997 gastric cancer cases among the Asia Cohort Consortium participants from China, Japan, Korea, and Singapore (N = 538,835), we assessed gastric cancer risk according to BMI by calculating hazard ratios (HR) and 95% confidence intervals (CI) using the Cox proportional hazard regression model. RESULTS A U-shaped associations between BMI and gastric cancer risk were observed. Gastric cancer risks in underweight group (<18.5 kg/m2) and in obesity group (≥27.5 kg/m2) were higher than reference BMI group (23-24.9 kg/m2; HR, 1.15; 95% CI, 1.05-1.25 for underweight; HR, 1.12; 95% CI, 1.03-1.22 for obesity, respectively). The associations of underweight and obesity with gastric cancer risk were consistent in the analyses for non-cardia gastric cancer, intestinal-type gastric cancer, and late-onset gastric cancer. No significant association of underweight and obesity with the risk of cardia gastric cancer, diffuse-type gastric cancer, and early-onset gastric cancer was observed. In addition, we found that the U-shaped association between BMI and gastric cancer risk remained in nonsmokers, while only underweight was related to increased gastric cancer risk in smokers. CONCLUSIONS BMI has a U-shaped association with gastric cancer risk in East and Southeast Asian population, especially for the non-cardia gastric cancer, intestinal-type gastric cancer, and late-onset gastric cancer. IMPACT Future studies with consideration of anatomic location and histology of gastric cancer are needed to establish the association of underweight as well as obesity with gastric cancer risk.
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Affiliation(s)
- Jieun Jang
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea,Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea,Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
| | - Sangjun Lee
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea,Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea,Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
| | - Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang HospitaI, Seongnam-si, Gyeonggi-do, Korea
| | - Sarah K Abe
- Division of Prevention, National Cancer Center Institute for Cancer Control, Japan
| | - Md. Shafiur Rahman
- Division of Prevention, National Cancer Center Institute for Cancer Control, Japan,Research Center for Child Mental Development, Hamamatsu University School of Medicine, Japan
| | - Eiko Saito
- Institute for Global Health Policy Research, National Center for Global Health and Medicine, Japan
| | - Md. Rashedul Islam
- Division of Prevention, National Cancer Center Institute for Cancer Control, Japan,Department of Global Health Policy, Graduate School of Medicine, The University of Tokyo, Japan
| | - Norie Sawada
- Epidemiology and Prevention Group, National Cancer Center Institute for Cancer Control, Japan
| | - Xiao-Ou Shu
- Division of Epidemiology, Vanderbilt-Ingram Cancer Center, Vanderbilt Epidemiology Center, Vanderbilt University Medical Center, Nashville, USA
| | - Woon-Puay Koh
- Healthy Longevity Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore,Singapore Institute for Clinical Sciences, Agency for Science Technology and Research (A*STAR), Singapore Singapore
| | | | - Ichiro Tsuji
- Tohoku University Graduate School of Medicine, Miyagi Prefecture, Japan
| | - Jeongseon Kim
- Graduate School of Science and Policy, National Cancer Center, Korea
| | - Isao Oze
- Division of Cancer Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya Japan
| | - Chisato Nagata
- Department of Epidemiology and Preventive Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Shoichiro Tsugane
- Epidemiology and Prevention Group, National Cancer Center Institute for Cancer Control, Japan
| | - Hui Cai
- Division of Epidemiology, Vanderbilt-Ingram Cancer Center, Vanderbilt Epidemiology Center, Vanderbilt University Medical Center, Nashville, USA
| | - Jian-Min Yuan
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA,Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Yu-Tang Gao
- Department of Epidemiology, Shanghai Cancer Institute/Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Kotaro Ozasa
- Radiation Effects Research Foundation, Hiroshima, Japan
| | - Sanae Matsuyama
- Tohoku University Graduate School of Medicine, Miyagi Prefecture, Japan
| | - Seiki Kanemura
- Tohoku University Graduate School of Medicine, Miyagi Prefecture, Japan
| | - Aesun Shin
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea,Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea,Integrated Major in Innovative Medical Science, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hidemi Ito
- Division of Cancer Information and Control, Department of Preventive Medicine, Aichi Cancer Center Research Institute, Nagoya, Japan,Division of Descriptive Cancer Epidemiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Keiko Wada
- Department of Epidemiology and Preventive Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Yumi Sugawara
- Tohoku University Graduate School of Medicine, Miyagi Prefecture, Japan
| | - Yu Chen
- Departments of Population Health and Environmental Medicine, New York University School of Medicine, New York, USA
| | - Habibul Ahsan
- Department of Public Health Sciences, University of Chicago IL, USA
| | - Paolo Boffetta
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY, USA,Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Kee Seng Chia
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Republic of Singapore
| | - Keitaro Matsuo
- Division of Cancer Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya Japan,Department of Cancer Epidemiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - You-Lin Qiao
- School of Population Medicine and Public Health, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Nathaniel Rothman
- Division of Cancer Epidemiology & Genetics, Occupational and Environmental Epidemiology Branch, National Cancer Institute
| | - Wei Zheng
- Division of Epidemiology, Vanderbilt-Ingram Cancer Center, Vanderbilt Epidemiology Center, Vanderbilt University Medical Center, Nashville, USA
| | - Manami Inoue
- Division of Prevention, National Cancer Center Institute for Cancer Control, Japan
| | - Daehee Kang
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea,Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea,Integrated Major in Innovative Medical Science, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sue K. Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea,Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea,Integrated Major in Innovative Medical Science, Seoul National University College of Medicine, Seoul, Republic of Korea
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9
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Moon J, Park JH, Cho SE, Ko KP, Shin SH, Kim JE, Ryu JK, Kang SG. Apnea-hypopnea Index is Correlated with Pulse Rate in Patients with Sleep-related Breathing Disorder without Hypertension, Cardiovascular Disease, or Diabetes Mellitus. Clin Psychopharmacol Neurosci 2022; 20:440-449. [PMID: 35879028 PMCID: PMC9329115 DOI: 10.9758/cpn.2022.20.3.440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/28/2021] [Accepted: 02/23/2021] [Indexed: 11/18/2022]
Affiliation(s)
- Jeonggeun Moon
- Division of Cardiology, Department of Internal Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
| | - Jae Hyoung Park
- Department of Cardiology, Korea University Anam Hospital, Seoul, Korea
| | - Seo-Eun Cho
- Department of Psychiatry, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
| | - Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Seung-Heon Shin
- Department of Otorhinolaryngology, Department of Internal Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
| | - Ji-Eun Kim
- Department of Neurology, Department of Internal Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
| | - Jae Kean Ryu
- Department of Division of Cardiology, Department of Internal Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
| | - Seung-Gul Kang
- Department of Psychiatry and Sleep Medicine Center, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
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10
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Cho SE, Kang JM, Ko KP, Lim WJ, Redline S, Winkelman JW, Kang SG. Association Between Subjective-Objective Discrepancy of Sleeping Time and Health-Related Quality of Life: A Community-Based Polysomnographic Study. Psychosom Med 2022; 84:505-512. [PMID: 35321997 PMCID: PMC9064942 DOI: 10.1097/psy.0000000000001070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE This study aimed to investigate the existence of a difference in quality of life (QOL) between individuals with and without significant subjective-objective discrepancy (SOD) in total sleep time (TST). METHODS From the Sleep Heart Health Study 2, 2540 individuals who had completed polysomnography, a morning sleep survey, and the 36-item Short-Form Health Survey (SF-36) were included in the analyses. The participants were classified as normoestimators (estimation of TST <±60 minutes), underestimators (underestimation of TST ≥60 minutes), or overestimators (overestimation of TST ≥60 minutes). The standardized SF-36 QOL scores were compared among the three groups. An adjusted partial correlation analysis was conducted between SOD and QOL. RESULTS Of the 2540 participants, 1617 (63.7%), 433 (17.0%), and 490 (19.3%) were assigned to the normoestimator, underestimator, and overestimator groups, respectively. The bodily pain and social functioning components of the SF-36 score were significantly lower in the underestimators than in the normoestimators, whereas the physical functioning component was significantly lower in the overestimators than in the normoestimators. The absolute value of SOD in the TST showed a significant negative correlation with the physical and mental components of the SF-36. CONCLUSIONS QOL was significantly better in the normoestimator than in the other groups and linearly correlated with the absolute value of SOD. This study suggests that a high prevalence of positive and negative sleep misperception in a community population can be a potential factor associated with poor QOL and potential comorbidities.
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Affiliation(s)
- Seo-Eun Cho
- Department of Psychiatry, Gil Medical Center, Gachon University College of Medicine, Incheon, Republic of Korea
| | - Jae Myeong Kang
- Department of Psychiatry and Sleep Medicine Center, Gil Medical Center, Gachon University College of Medicine, Incheon, Republic of Korea
| | - Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Weon-Jeong Lim
- Department of Psychiatry, Ewha Womans University Seoul Hospital, Ewha Womans University College of Medicine, Seoul, Republic of Korea
| | - Susan Redline
- Division of Sleep & Circadian Disorders, Department of Medicine, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - John W. Winkelman
- Departments of Psychiatry and Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Seung-Gul Kang
- Department of Psychiatry and Sleep Medicine Center, Gil Medical Center, Gachon University College of Medicine, Incheon, Republic of Korea
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11
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Ryu JY, Yoon S, Lee J, Baek S, Jo YH, Ko KP, Sim JA, Han J, Kim S, Baek SH. Efficacy and safety of rapid intermittent bolus compared with slow continuous infusion in patients with severe hypernatremia (SALSA II trial): a study protocol for a randomized controlled trial. Kidney Res Clin Pract 2022; 41:508-520. [PMID: 35545225 PMCID: PMC9346395 DOI: 10.23876/j.krcp.21.193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 11/22/2021] [Indexed: 11/04/2022] Open
Abstract
Background Methods Conclusion
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Affiliation(s)
- Ji Young Ryu
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Songuk Yoon
- Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Republic of Korea
| | - Jeonghwan Lee
- Department of Internal Medicine, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea
| | - Sumin Baek
- Department of Emergency Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - You Hwan Jo
- Department of Emergency Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Jin-ah Sim
- School of AI Convergence, Hallym University, Chuncheon, Republic of Korea
| | - Junhee Han
- Department of Statistics and Institute of Statistics, Hallym University, Chuncheon, Republic of Korea
| | - Sejoong Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
- Center for Artificial Intelligence in Healthcare, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Correspondence: Sejoong Kim Department of Internal Medicine, Seoul National University Bundang Hospital, 82 Gumi-ro 173beon-gil, Bundang-gu, Seongnam 13620, Republic of Korea. E-mail:
| | - Seon Ha Baek
- Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Republic of Korea
- Seon Ha Baek Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, 7 Keunjaebong-gil, Hwaseong 18450, Republic of Korea. E-mail:
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Cho HJ, Yoo JY, Kim AN, Moon S, Choi J, Kim I, Ko KP, Lee JE, Park SK. Association of coffee drinking with all-cause and cause-specific mortality in over 190,000 individuals: data from two prospective studies. Int J Food Sci Nutr 2021; 73:513-521. [PMID: 34779701 DOI: 10.1080/09637486.2021.2002829] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
We examined the association of coffee drinking with all-cause and cause-specific mortality in a pooled analysis of two Korean prospective cohort studies: The Korea National Health and Nutrition Examination Survey and the Korean Genome and Epidemiology Study. We included 192,222 participants, and a total of 6057 deaths were documented. Cox proportional hazards model was used to estimate the hazard ratios (HRs) and 95% confidence intervals (CIs), and the HRs were combined using a random-effects model. Coffee drinking was associated with a lower risk of all-cause mortality [HR (95% CI) = 0.84 (0.77-0.92), for ≥3 cups/day of coffee drinking versus non-drinkers; p for trend = 0.004]. We observed the potential benefit of coffee drinking for mortality due to cardiovascular disease, respiratory disease, and diabetes, but not for cancer mortality. Overall, we found that moderate coffee drinking was associated with a lower risk of death in population-based cohort analysis of Korean adults.
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Affiliation(s)
- Hyun Jeong Cho
- Department of Food and Nutrition, Seoul National University College of Human Ecology, Seoul, Republic of Korea
| | - Jin Young Yoo
- Department of Food and Nutrition, Seoul National University College of Human Ecology, Seoul, Republic of Korea
| | - An Na Kim
- Department of Food and Nutrition, Seoul National University College of Human Ecology, Seoul, Republic of Korea
| | - Sungji Moon
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.,Cancer Research Institute, Seoul National University, Seoul, Republic of Korea.,Interdisciplinary Program in Cancer Biology Major, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jeoungbin Choi
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Biomedical Science, Seoul National University Graduate School, Seoul, Republic of Korea
| | - Inah Kim
- Department of Occupational and Environmental Medicine, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Jung Eun Lee
- Department of Food and Nutrition, Seoul National University College of Human Ecology, Seoul, Republic of Korea.,Research Institute of Human Ecology, Seoul National University, Seoul, Republic of Korea
| | - Sue K Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.,Cancer Research Institute, Seoul National University, Seoul, Republic of Korea.,Department of Biomedical Science, Seoul National University Graduate School, Seoul, Republic of Korea
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13
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Lim S, Kim S, Kim O, Kim B, Jung H, Ko KP, Lee H. Correlations among anti-Müllerian hormone levels, body mass index and lipid profile in reproductive-aged women: The Korea Nurses' Health Study. Nurs Open 2021; 8:2996-3005. [PMID: 34342177 PMCID: PMC8510772 DOI: 10.1002/nop2.1011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 04/25/2021] [Accepted: 07/10/2021] [Indexed: 11/23/2022] Open
Abstract
Aim This study aimed to evaluate the correlations among anti‐Müllerian hormone levels, body mass index and lipid profile in female nurses of reproductive age. Design This is a descriptive cross‐sectional study that used data from the Korea Nurses' Health Study, based on Nurses' Health Study 3 in the United States. Methods Participants included 448 female nurses of reproductive age. They provided details about their work experience, shift work, body mass index and history of polycystic ovary syndrome. Serum anti‐Müllerian hormone levels and lipid profile were measured using blood samples. Statistical analysis included quantile regression analysis using STATA 13.0. Data were collected between November 2016 and March 2017 from Module 5 of the Korean Nurses' Health Study. Results Approximately 12% of the participants were underweight, and roughly one‐tenth were either overweight or obese. Although linear regression showed no relationship between anti‐Müllerian hormone levels and body mass index, quantile regression showed that body mass index, total cholesterol levels and low‐density lipoprotein levels were negatively correlated with anti‐Müllerian hormone levels at the lower tails of the dependent variable. Meanwhile, high‐density lipoprotein levels were positively correlated with anti‐Müllerian hormone at the higher percentiles of anti‐Müllerian hormone levels. Conclusion These findings suggest the possibility that changes in the lipid profile may influence anti‐Müllerian hormone levels in women with diminished ovarian function, rather than obesity itself.
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Affiliation(s)
- Sarah Lim
- College of Nursing, Yonsei University, Seoul, Korea
| | - Sue Kim
- College of Nursing, Yonsei University, Seoul, Korea.,Mo-Im Kim Nursing Research Institute, College of Nursing, Yonsei University, Seoul, Korea
| | - Oksoo Kim
- College of Nursing, Ewha Womans University, Seoul, Korea.,Ewha Research Institute of Nursing Science, Seoul, Korea
| | - Bohye Kim
- College of Nursing, Ewha Womans University, Seoul, Korea
| | - Heeja Jung
- College of Nursing, Konyang University, Daejeon, Korea
| | - Kwang-Pil Ko
- Clinical Preventive Medicine Center, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hyangkyu Lee
- College of Nursing, Yonsei University, Seoul, Korea.,Mo-Im Kim Nursing Research Institute, College of Nursing, Yonsei University, Seoul, Korea
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Ryu HJ, Han JO, Lee SA, Seo MR, Choi HJ, Ko KP, Baek HJ. Risk factors for herpes zoster in patients with rheumatic diseases: a nationwide cohort study in Korea. Rheumatology (Oxford) 2021; 60:2427-2433. [PMID: 33232486 DOI: 10.1093/rheumatology/keaa636] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 09/01/2020] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To determine the risk factors for herpes zoster (HZ) in patients with rheumatic diseases in Korea. METHODS We used the nationwide database of the Health Insurance Review & Assessment Service to analyse patients aged ≥20 years who had visited a hospital more than twice for rheumatic disease as a principal diagnosis from January 2009 to April 2013. HZ was identified using HZ-related Korean Standard Classification of Diseases 6 (KCD-6) codes and the prescription of antiviral agents. The relationship between demographics, comorbidities and medications and HZ risk was analysed by Cox proportional hazards models. RESULTS HZ developed in 1869 patients. In Cox proportional hazards models, female sex but not age showed an increased adjusted hazard ratio (HR) for HZ. Comorbidities such as haematologic malignancies, hypertension, diabetes mellitus, and chronic lung and liver diseases led to an increased HR. HZ risk was higher in patients with SLE (HR: 4.29, 95% CI: 3.49, 5.27) and Behçet's syndrome (BS, HR: 4.54; 95% CI: 3.66, 5.64) than with RA. The use of conventional DMARDs, immunosuppressants, TNF inhibitors, glucocorticoids and NSAIDs increased the HR. Infliximab and glucocorticoids (equivalent prednisolone dose >15 mg/day) produced the highest HZ risk (HR: 2.91, 95% CI: 1.72, 4.89; HR: 2.85, 95% CI: 2.15, 3.77, respectively). CONCLUSION Female sex, comorbidities and medications increased HZ risk in patients with rheumatic diseases and even young patients could develop HZ. Compared with RA, SLE and BS are stronger HZ risk factors. Patients with rheumatic diseases and these risk factors are potential target populations for HZ vaccination.
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Affiliation(s)
- Hee Jung Ryu
- Division of Rheumatology, Department of Internal Medicine, Gachon University College of Medicine, Gil Medical Center, Incheon
| | - Jin-Ok Han
- Gyeonggi Public Health Policy Institute, Seongnam-si, Gyeonggi-do
| | - Sang Ah Lee
- Division of Rheumatology, Department of Internal Medicine, Gachon University College of Medicine, Gil Medical Center, Incheon
| | - Mi Ryoung Seo
- Division of Rheumatology, Department of Internal Medicine, Gachon University College of Medicine, Gil Medical Center, Incheon
| | - Hyo Jin Choi
- Division of Rheumatology, Department of Internal Medicine, Gachon University College of Medicine, Gil Medical Center, Incheon
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University College of Medicine, Incheon, South Korea
| | - Han Joo Baek
- Division of Rheumatology, Department of Internal Medicine, Gachon University College of Medicine, Gil Medical Center, Incheon
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15
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Seo MR, Yeo J, Ryu HJ, Choi HJ, Ko KP, Baek HJ. Outcomes and Risk Factors of Systolic Pulmonary Artery Pressure Progression in Patients with Systemic Rheumatic Diseases: Follow-up Results from a Korean Registry. Arch Rheumatol 2021; 35:558-567. [PMID: 33758812 PMCID: PMC7945697 DOI: 10.46497/archrheumatol.2020.7812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 12/02/2019] [Indexed: 11/20/2022] Open
Abstract
Objectives
This study aims to investigate the outcomes and risk factors associated with the progression of systolic pulmonary artery pressure (sPAP) in patients with systemic rheumatic diseases. Patients and methods
A total of 532 patients (73 males, 459 females; median age 49 years; interquartile range (IQR), 36 to 62 years) registered with the Registry of Pulmonary Hypertension Associated with Rheumatic Diseases were included. Mortality curves were constructed using the Kaplan- Meier method and comparisons were performed using the log-rank test. A paired t-test was performed to evaluate the patients with markedly elevated sPAP between baseline and follow-up. Results
The average follow-up duration was 31 months (IQR, 9 to 60 months). Of the patients, 196 had follow-up echocardiographs at least one year later. We defined the sPAP over 60 mmHg as markedly elevated. Patients in the increased sPAP above 60 mmHg at follow-up and persistently markedly elevated sPAP were associated with worse outcomes in all-cause mortality and pulmonary arterial hypertension-related mortality (p<0.001). In patients with systemic sclerosis, the majority of patients remained static within their pressure group or rose progressively: the patients with markedly elevated sPAP at follow-up were higher than those at baseline (32% versus 15%, p<0.01). In patients with mixed connective tissue disease (MCTD) or rheumatoid arthritis (RA), the majority of patients remained static within their pressure group or gradually improved: the patients with markedly elevated sPAP at follow-up were lower than those at baseline (RA=14% versus 29%, MCTD=5% versus 16%, p<0.05). Conclusion Persistently high sPAP or increase of sPAP over 60 mmHg at follow-up was associated with increased mortality. There were some differences in the progression of sPAP according to the underlying rheumatic diseases.
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Affiliation(s)
- Mi Ryoung Seo
- Department of Internal Medicine, Division of Rheumatology, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Jina Yeo
- Department of Internal Medicine, Division of Rheumatology, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Hee Jung Ryu
- Department of Internal Medicine, Division of Rheumatology, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Hyo-Jin Choi
- Department of Internal Medicine, Division of Rheumatology, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Han Joo Baek
- Department of Internal Medicine, Division of Rheumatology, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
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16
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Kim AJ, Ro H, Kim H, Ko KP, Chang JH, Lee HH, Chung W, Jung JY. Elevated levels of soluble ST2 but not galectin-3 are associated with increased risk of mortality in hemodialysis patients. Kidney Res Clin Pract 2021; 40:109-119. [PMID: 33706479 PMCID: PMC8041640 DOI: 10.23876/j.krcp.20.133] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 12/01/2020] [Indexed: 11/07/2022] Open
Abstract
Background The soluble forms of suppression of tumorigenicity-2 (ST2) and galectin-3 have been proposed as novel biomarkers for cardiac fibrosis and heart failure, as well as predictors of cardiovascular events and mortality. However, there are limited data on the association between soluble ST2 and galectin-3 and clinical outcomes in patients with kidney failure on replacement therapy. To determine this, we examined the associations between soluble ST2 and galectin-3 and all-cause mortality and cardiovascular events in patients on hemodialysis. Methods This study included maintenance hemodialysis patients (over 18 years old) who consented to preserve their serum in the Biobank at our institution between March 2014 and March 2015. We used Cox proportional hazards regression analysis to evaluate the associations between soluble ST2, galectin-3 levels, and clinical outcomes. The primary outcome was all-cause mortality, the secondary outcome was cardiovascular disease, and patients were followed for both outcomes until March 2018. Results A total of 296 patients were analyzed in this study. The mean age was 57 ± 13 years, and 53.0% were male. Serum concentration of soluble ST2 was significantly associated with higher mortality, after adjustment for confounding factors, but was not associated with cardiovascular disease. Serum galectin-3 level was not independently associated with either outcome after adjustment. Conclusion Elevated soluble ST2 is independently associated with an increased risk of mortality, but not with cardiovascular disease, in patients on hemodialysis. Elevated galectin-3 was not associated with mortality or cardiovascular disease.
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Affiliation(s)
- Ae Jin Kim
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Republic of Korea.,Department of Internal Medicine, Gachon University College of Medicine, Incheon, Republic of Korea
| | - Han Ro
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Republic of Korea.,Department of Internal Medicine, Gachon University College of Medicine, Incheon, Republic of Korea
| | - Hyunsook Kim
- Department of Health Sciences and Technology, Gachon University, Incheon, Republic of Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University College of Medicine, Incheon, Republic of Korea
| | - Jae Hyun Chang
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Republic of Korea.,Department of Internal Medicine, Gachon University College of Medicine, Incheon, Republic of Korea
| | - Hyun Hee Lee
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Republic of Korea.,Department of Internal Medicine, Gachon University College of Medicine, Incheon, Republic of Korea
| | - Wookyung Chung
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Republic of Korea.,Department of Internal Medicine, Gachon University College of Medicine, Incheon, Republic of Korea
| | - Ji Yong Jung
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon, Republic of Korea.,Department of Internal Medicine, Gachon University College of Medicine, Incheon, Republic of Korea.,Department of Health Sciences and Technology, Gachon University, Incheon, Republic of Korea
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17
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Lee HJ, Lee EC, Seo S, Ko KP, Kang JM, Kim WR, Seo HE, Lee SY, Lee YB, Park KH, Yeon BK, Okamura N, Na DL, Seong JK, Noh Y. Identification of Heterogeneous Subtypes of Mild Cognitive Impairment Using Cluster Analyses Based on PET Imaging of Tau and Astrogliosis. Front Aging Neurosci 2021; 12:615467. [PMID: 33584247 PMCID: PMC7874013 DOI: 10.3389/fnagi.2020.615467] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 12/23/2020] [Indexed: 12/14/2022] Open
Abstract
Background: Mild cognitive impairment (MCI) is a condition with diverse causes and clinical outcomes that can be categorized into subtypes. [18F]THK5351 has been known to detect reactive astrogliosis as well as tau which is accompanied by neurodegenerative changes. Here, we identified heterogeneous groups of MCI patients using THK retention patterns and a graph theory approach, allowing for the comparison of risk of progression to dementia in these MCI subgroups. Methods: Ninety-seven participants including 60 MCI patients and individuals with normal cognition (NC, n = 37) were included and undertook 3T MRI, [18F]THK5351 PET, and detailed neuropsychological tests. [18F]Flutemetamol PET was also performed in 62 participants. We calculated similarities between MCI patients using their regional standardized uptake value ratio of THK retention in 75 ROIs, and clustered subjects with similar retention patterns using the Louvain method based on the modularity of the graph. The clusters of patients identified were compared with an age-matched control group using a general linear model. Dementia conversion was evaluated after a median follow-up duration of 34.6 months. Results: MCI patients were categorized into four groups according to their THK retention patterns: (1) limbic type; (2) diffuse type; (3) sparse type; and (4) AD type (retention pattern as in AD). Subjects of the limbic type were characterized by older age, small hippocampal volumes, and reduced verbal memory and frontal/executive functions. Patients of the diffuse type had relatively large vascular burden, reduced memory capacity and some frontal/executive functions. Co-morbidity and mortality were more frequent in this subgroup. Subjects of the sparse type were younger and declined only in terms of visual memory and attention. No individuals in this subgroup converted to dementia. Patients in the AD type group exhibited the poorest cognitive function. They also had the smallest hippocampal volumes and the highest risk of progression to dementia (90.9%). Conclusion: Using cluster analyses with [18F]THK5351 retention patterns, it is possible to identify clinically-distinct subgroups of MCI patients and those at greater risk of progression to dementia.
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Affiliation(s)
- Hyun Jeong Lee
- Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Eun-Chong Lee
- School of Biomedical Engineering, Korea University, Seoul, South Korea
| | - Seongho Seo
- Department of Neuroscience, College of Medicine, Gachon University, Incheon, South Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University College of Medicine, Incheon, South Korea
| | - Jae Myeong Kang
- Department of Psychiatry, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Woo-Ram Kim
- Neuroscience Research Institute, Gachon University, Incheon, South Korea
| | - Ha-Eun Seo
- Neuroscience Research Institute, Gachon University, Incheon, South Korea
| | - Sang-Yoon Lee
- Department of Neuroscience, College of Medicine, Gachon University, Incheon, South Korea
| | - Yeong-Bae Lee
- Department of Neurology, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Kee Hyung Park
- Department of Neurology, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Byeong Kil Yeon
- Department of Psychiatry, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Nobuyuki Okamura
- Division of Pharmacology, Faculty of Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Duk L Na
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea.,Neuroscience Center, Samsung Medical Center, Seoul, South Korea
| | - Joon-Kyung Seong
- School of Biomedical Engineering, Korea University, Seoul, South Korea.,Department of Artificial Intelligence, Korea University, Seoul, South Korea.,Interdisciplinary Program in Precision Public Health, Korea University, Seoul, South Korea
| | - Young Noh
- Department of Neurology, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea.,Department of Health Science and Technology, GAIHST, Gachon University, Incheon, South Korea
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18
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Sim EJ, Ko KP, Ahn C, Park SM, Surh YJ, An S, Kim SW, Lee MH, Lee JW, Lee JE, Kim KS, Yom CK, Kim HA, Park SK. Isoflavone intake on the risk of overall breast cancer and molecular subtypes in women at high risk for hereditary breast cancer. Breast Cancer Res Treat 2020; 184:615-626. [DOI: 10.1007/s10549-020-05875-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 08/10/2020] [Indexed: 01/10/2023]
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Yoo JY, Cho HJ, Moon S, Choi J, Lee S, Ahn C, Yoo KY, Kim I, Ko KP, Lee JE, Park SK. Pickled Vegetable and Salted Fish Intake and the Risk of Gastric Cancer: Two Prospective Cohort Studies and a Meta-Analysis. Cancers (Basel) 2020; 12:cancers12040996. [PMID: 32316595 PMCID: PMC7225928 DOI: 10.3390/cancers12040996] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 04/08/2020] [Accepted: 04/14/2020] [Indexed: 12/13/2022] Open
Abstract
An increased risk of gastric cancer for pickled vegetable and salted fish intake has been suggested, yet the lack of a dose-response association warrants a quantitative analysis. We conducted a meta-analysis, combining results from our analysis of two large Korean cohort studies and those from previous prospective cohort studies. We investigated the association of pickled vegetable and salted fish intake with gastric cancer in the Korean Genome Epidemiology Study and the Korean Multi-center Cancer Cohort Study using Cox proportional hazard models. We then searched for observational studies published until November 2019 and conducted both dose-response and categorical meta-analyses. The pooled relative risk (RR) of gastric cancer incidence was 1.15 (95% Confidence Interval (CI), 1.07–1.23) for 40 g/day increment in pickled vegetable intake in a dose-response manner (P for nonlinearity = 0.11). As for salted fish intake, the pooled risk of gastric cancer incidence was 1.17 (95% CI, 0.99–1.38) times higher, comparing the highest to the lowest intake. Our findings supported the evidence that high intake of pickled vegetable and salted fish is associated with elevated risk of gastric cancer incidence.
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Affiliation(s)
- Jin Young Yoo
- Department of Food and Nutrition, Seoul National University, Seoul 08826, Korea; (J.Y.Y.); (H.J.C.)
| | - Hyun Jeong Cho
- Department of Food and Nutrition, Seoul National University, Seoul 08826, Korea; (J.Y.Y.); (H.J.C.)
| | - Sungji Moon
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul 03080, Korea; (S.M.); (J.C.); (S.L.); (C.A.); (K.-Y.Y.); (S.K.P.)
- Cancer Research Institute, Seoul National University, Seoul 03080, Korea
- Interdisciplinary Program in Cancer Biology Major, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Jeoungbin Choi
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul 03080, Korea; (S.M.); (J.C.); (S.L.); (C.A.); (K.-Y.Y.); (S.K.P.)
- Department of Biomedical Science, Seoul National University Graduate School, Seoul 03080, Korea
| | - Sangjun Lee
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul 03080, Korea; (S.M.); (J.C.); (S.L.); (C.A.); (K.-Y.Y.); (S.K.P.)
- Cancer Research Institute, Seoul National University, Seoul 03080, Korea
- Department of Biomedical Science, Seoul National University Graduate School, Seoul 03080, Korea
| | - Choonghyun Ahn
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul 03080, Korea; (S.M.); (J.C.); (S.L.); (C.A.); (K.-Y.Y.); (S.K.P.)
- Cancer Research Institute, Seoul National University, Seoul 03080, Korea
- Department of Biomedical Science, Seoul National University Graduate School, Seoul 03080, Korea
| | - Keun-Young Yoo
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul 03080, Korea; (S.M.); (J.C.); (S.L.); (C.A.); (K.-Y.Y.); (S.K.P.)
| | - Inah Kim
- Department of Occupational and Environmental Medicine, Hanyang University College of Medicine, Seoul 04763, Korea;
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University College of Medicine, Incheon 21565, Korea;
| | - Jung Eun Lee
- Department of Food and Nutrition, Seoul National University, Seoul 08826, Korea; (J.Y.Y.); (H.J.C.)
- Research Institute of Human Ecology, Seoul National University, Seoul 08826, Korea
- Correspondence: ; Tel.: +82-2-880-6834
| | - Sue K. Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul 03080, Korea; (S.M.); (J.C.); (S.L.); (C.A.); (K.-Y.Y.); (S.K.P.)
- Cancer Research Institute, Seoul National University, Seoul 03080, Korea
- Department of Biomedical Science, Seoul National University Graduate School, Seoul 03080, Korea
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20
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Choi YI, Chung JW, Park DK, Kim KO, Kwon KA, Kim YJ, Kim SY, Ahn SM, Han MD, Ko KP. Genotoxicity in Patients on Long-term Proton Pump Inhibitor Therapy in Korea: A Nested Case-control, Prospective, Pilot Study. Korean J Helicobacter Up Gastrointest Res 2020. [DOI: 10.7704/kjhugr.2019.0027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background/Aims: Although proton pump inhibitors (PPIs) remain a mainstay for the suppression of gastric acid secretion, long-term PPI use is associated with side effects. However, the genotoxicity associated with long-term PPI use is unclear.Materials and Methods: This prospective observational pilot study enrolled patients who had been on PPIs for >1 year and healthy controls from July 2015 to August 2016. The subjects completed self-report questionnaires pertaining to their drug and medical history, and only those with no medical history and a ≥2-year wash-out period (for drugs other than PPIs) were included. We collected peripheral-blood lymphocytes from long-term PPI users and healthy controls and analyzed the genotoxicity by using the cytokinesis-block micronucleus cytome assay; we also determined the fasting serum levels of pyridoxine, folate, cobalamin, and homocysteine.Results: Ten long-term PPI users and 40 healthy control subjects were enrolled. The median serum pyridoxine, folate, cobalamin, and homocysteine levels were not significantly different between the groups. The median frequencies of micronuclei (MNi), nucleoplasmic bridges (NPBs), and nuclear buds (Nbuds) per 1,000 binucleated cells, in long-term PPI users and healthy controls, were 30.3 and 16.3 (<i>P</i><0.005), 2.5 and 1.8 (<i>P</i><0.005), and 9.3 and 5.0 (<i>P</i><0.005), respectively. Even after adjustment for confounding factors, the OR of the MNi, NPBs, and Nbuds for long-term PPI users compared with healthy control subjects were 14.1 (<i>P</i><0.001), 2.0 (<i>P</i>=0.001), and 1.3 (<i>P</i>=0.3), respectively.Conclusions: Long-term PPI use was significantly associated with an increased risk of genotoxicity after adjustment for age, sex, body mass index, medical history, drug history, and the serum levels of vitamins.
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21
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Patel VL, Busch EL, Friebel TM, Cronin A, Leslie G, McGuffog L, Adlard J, Agata S, Agnarsson BA, Ahmed M, Aittomäki K, Alducci E, Andrulis IL, Arason A, Arnold N, Artioli G, Arver B, Auber B, Azzollini J, Balmaña J, Barkardottir RB, Barnes DR, Barroso A, Barrowdale D, Belotti M, Benitez J, Bertelsen B, Blok MJ, Bodrogi I, Bonadona V, Bonanni B, Bondavalli D, Boonen SE, Borde J, Borg A, Bradbury AR, Brady A, Brewer C, Brunet J, Buecher B, Buys SS, Cabezas-Camarero S, Caldés T, Caliebe A, Caligo MA, Calvello M, Campbell IG, Carnevali I, Carrasco E, Chan TL, Chu ATW, Chung WK, Claes KBM, Collaborators GS, Collaborators E, Cook J, Cortesi L, Couch FJ, Daly MB, Damante G, Darder E, Davidson R, de la Hoya M, Puppa LD, Dennis J, Díez O, Ding YC, Ditsch N, Domchek SM, Donaldson A, Dworniczak B, Easton DF, Eccles DM, Eeles RA, Ehrencrona H, Ejlertsen B, Engel C, Evans DG, Faivre L, Faust U, Feliubadaló L, Foretova L, Fostira F, Fountzilas G, Frost D, García-Barberán V, Garre P, Gauthier-Villars M, Géczi L, Gehrig A, Gerdes AM, Gesta P, Giannini G, Glendon G, Godwin AK, Goldgar DE, Greene MH, Gutierrez-Barrera AM, Hahnen E, Hamann U, Hauke J, Herold N, Hogervorst FBL, Honisch E, Hopper JL, Hulick PJ, Investigators KC, Investigators H, Izatt L, Jager A, James P, Janavicius R, Jensen UB, Jensen TD, Johannsson OT, John EM, Joseph V, Kang E, Kast K, Kiiski JI, Kim SW, Kim Z, Ko KP, Konstantopoulou I, Kramer G, Krogh L, Kruse TA, Kwong A, Larsen M, Lasset C, Lautrup C, Lazaro C, Lee J, Lee JW, Lee MH, Lemke J, Lesueur F, Liljegren A, Lindblom A, Llovet P, Lopez-Fernández A, Lopez-Perolio I, Lorca V, Loud JT, Ma ESK, Mai PL, Manoukian S, Mari V, Martin L, Matricardi L, Mebirouk N, Medici V, Meijers-Heijboer HEJ, Meindl A, Mensenkamp AR, Miller C, Gomes DM, Montagna M, Mooij TM, Moserle L, Mouret-Fourme E, Mulligan AM, Nathanson KL, Navratilova M, Nevanlinna H, Niederacher D, Nielsen FCC, Nikitina-Zake L, Offit K, Olah E, Olopade OI, Ong KR, Osorio A, Ott CE, Palli D, Park SK, Parsons MT, Pedersen IS, Peissel B, Peixoto A, Pérez-Segura P, Peterlongo P, Petersen AH, Porteous ME, Pujana MA, Radice P, Ramser J, Rantala J, Rashid MU, Rhiem K, Rizzolo P, Robson ME, Rookus MA, Rossing CM, Ruddy KJ, Santos C, Saule C, Scarpitta R, Schmutzler RK, Schuster H, Senter L, Seynaeve CM, Shah PD, Sharma P, Shin VY, Silvestri V, Simard J, Singer CF, Skytte AB, Snape K, Solano AR, Soucy P, Southey MC, Spurdle AB, Steele L, Steinemann D, Stoppa-Lyonnet D, Stradella A, Sunde L, Sutter C, Tan YY, Teixeira MR, Teo SH, Thomassen M, Tibiletti MG, Tischkowitz M, Tognazzo S, Toland AE, Tommasi S, Torres D, Toss A, Trainer AH, Tung N, van Asperen CJ, van der Baan FH, van der Kolk LE, van der Luijt RB, van Hest LP, Varesco L, Varon-Mateeva R, Viel A, Vierstraete J, Villa R, von Wachenfeldt A, Wagner P, Wang-Gohrke S, Wappenschmidt B, Weitzel JN, Wieme G, Yadav S, Yannoukakos D, Yoon SY, Zanzottera C, Zorn KK, D'Amico AV, Freedman ML, Pomerantz MM, Chenevix-Trench G, Antoniou AC, Neuhausen SL, Ottini L, Nielsen HR, Rebbeck TR. Association of Genomic Domains in BRCA1 and BRCA2 with Prostate Cancer Risk and Aggressiveness. Cancer Res 2020; 80:624-638. [PMID: 31723001 PMCID: PMC7553241 DOI: 10.1158/0008-5472.can-19-1840] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/07/2019] [Accepted: 11/08/2019] [Indexed: 12/15/2022]
Abstract
Pathogenic sequence variants (PSV) in BRCA1 or BRCA2 (BRCA1/2) are associated with increased risk and severity of prostate cancer. We evaluated whether PSVs in BRCA1/2 were associated with risk of overall prostate cancer or high grade (Gleason 8+) prostate cancer using an international sample of 65 BRCA1 and 171 BRCA2 male PSV carriers with prostate cancer, and 3,388 BRCA1 and 2,880 BRCA2 male PSV carriers without prostate cancer. PSVs in the 3' region of BRCA2 (c.7914+) were significantly associated with elevated risk of prostate cancer compared with reference bin c.1001-c.7913 [HR = 1.78; 95% confidence interval (CI), 1.25-2.52; P = 0.001], as well as elevated risk of Gleason 8+ prostate cancer (HR = 3.11; 95% CI, 1.63-5.95; P = 0.001). c.756-c.1000 was also associated with elevated prostate cancer risk (HR = 2.83; 95% CI, 1.71-4.68; P = 0.00004) and elevated risk of Gleason 8+ prostate cancer (HR = 4.95; 95% CI, 2.12-11.54; P = 0.0002). No genotype-phenotype associations were detected for PSVs in BRCA1. These results demonstrate that specific BRCA2 PSVs may be associated with elevated risk of developing aggressive prostate cancer. SIGNIFICANCE: Aggressive prostate cancer risk in BRCA2 mutation carriers may vary according to the specific BRCA2 mutation inherited by the at-risk individual.
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Affiliation(s)
- Vivek L Patel
- Department of Radiation Oncology, Dana-Farber Cancer Institute and Brigham and Women's Hospital, Boston, Massachusetts
| | - Evan L Busch
- Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Tara M Friebel
- Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Dana-Farber Cancer Institute. Boston, Massachusetts
| | - Angel Cronin
- Dana-Farber Cancer Institute. Boston, Massachusetts
| | - Goska Leslie
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Lesley McGuffog
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Julian Adlard
- Yorkshire Regional Genetics Service, Chapel Allerton Hospital, Leeds, United Kingdom
| | - Simona Agata
- Immunology and Molecular Oncology Unit, Veneto Institute of Oncology IOV - IRCCS, Padua, Italy
| | - Bjarni A Agnarsson
- Department of Pathology, Landspitali University Hospital, 101, Reykjavik, Iceland
- School of Medicine, University of Iceland, Reykjavik, Iceland
| | - Munaza Ahmed
- North East Thames Regional Genetics Service, Great Ormond Street Hospital for Children NHS Trust, London, United Kingdom
| | - Kristiina Aittomäki
- Department of Clinical Genetics, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
| | - Elisa Alducci
- Immunology and Molecular Oncology Unit, Veneto Institute of Oncology IOV - IRCCS, Padua, Italy
| | - Irene L Andrulis
- Fred A. Litwin Center for Cancer Genetics, Lunenfeld-Tanenbaum Research Institute of Mount Sinai Hospital, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Adalgeir Arason
- Department of Pathology, Landspitali University Hospital, 101, Reykjavik, Iceland
- BMC (Biomedical Centre), Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - Norbert Arnold
- Department of Gynaecology and Obstetrics, University Hospital of Schleswig-Holstein, Campus Kiel, Christian-Albrechts University Kiel, Kiel, Germany
| | - Grazia Artioli
- ULSS 3 Serenissima, U.O.C. Oncologia ed Ematologia Oncologica, Mirano, Venice, Italy
| | - Brita Arver
- Department of Oncology, Karolinska Institutet, Stockholm, Sweden
| | - Bernd Auber
- Institute of Human Genetics, Hannover Medical School, Hannover, Germany
| | - Jacopo Azzollini
- Unit of Medical Genetics, Department of Medical Oncology and Hematology, Fondazione IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico), Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Judith Balmaña
- High Risk and Cancer Prevention Group, Vall d'Hebron Institute of Oncology, University Hospital Vall d'Hebron, Barcelona, Spain
| | - Rosa B Barkardottir
- Department of Pathology, Landspitali University Hospital, 101, Reykjavik, Iceland
- BMC (Biomedical Centre), Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - Daniel R Barnes
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Alicia Barroso
- Human Genetics Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Daniel Barrowdale
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | | | - Javier Benitez
- Human Cancer Genetics Programme, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
- Biomedical Network on Rare Diseases (CIBERER), Madrid, Spain
| | - Birgitte Bertelsen
- Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Marinus J Blok
- Department of Clinical Genetics, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Istvan Bodrogi
- Department of Chemotherapy, National Institute of Oncology, Budapest, Hungary
| | - Valérie Bonadona
- Unité de Prévention et d'Epidémiologie Génétique, Centre Léon Bérard, Lyon, France
| | - Bernardo Bonanni
- Division of Cancer Prevention and Genetics, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Davide Bondavalli
- Division of Cancer Prevention and Genetics, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Susanne E Boonen
- Clinical Genetic Unit, Department of Paediatrics, Zealand University Hospital, Roskilde, Denmark
| | - Julika Borde
- Center for Integrated Oncology (CIO), University Hospital of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Center for Hereditary Breast and Ovarian Cancer, University Hospital of Cologne, Cologne, Germany
| | - Ake Borg
- Department of Oncology, Lund University and Skåne University Hospital, Lund, Sweden
| | - Angela R Bradbury
- Department of Medicine, Abramson Cancer Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Angela Brady
- North West Thames Regional Genetics Service, Kennedy Galton Centre, The North West London Hospitals NHS Trust, Middlesex, United Kingdom
| | - Carole Brewer
- Department of Clinical Genetics, Royal Devon & Exeter Hospital, Exeter, United Kingdom
| | - Joan Brunet
- Genetic Counseling Unit, Hereditary Cancer Program, IDIBGI (Institut d'Investigació Biomèdica de Girona), Catalan Institute of Oncology, CIBERONC, Girona, Spain
| | | | - Saundra S Buys
- Department of Medicine, Huntsman Cancer Institute, Salt Lake City, Utah
| | | | - Trinidad Caldés
- Medical Oncology Department, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), Centro Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Almuth Caliebe
- Institute of Human Genetics, University Hospital of Schleswig-Holstein, Campus Kiel, Christian-Albrechts University Kiel, Kiel, Germany
| | - Maria A Caligo
- Section of Molecular Genetics, Department of Laboratory Medicine, University Hospital of Pisa, Pisa, Italy
| | - Mariarosaria Calvello
- Division of Cancer Prevention and Genetics, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Ian G Campbell
- Peter MacCallum Cancer Center, Melbourne, Victoria, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Ileana Carnevali
- UO Anatomia Patologica, Ospedale di Circolo-Università dell'Insubria, Varese, Italy
| | - Estela Carrasco
- High Risk and Cancer Prevention Group, Vall d'Hebron Institute of Oncology, University Hospital Vall d'Hebron, Barcelona, Spain
| | - Tsun L Chan
- Hong Kong Hereditary Breast Cancer Family Registry, Cancer Genetics Centre, Happy Valley, Hong Kong
- Department of Pathology, Hong Kong Sanatorium and Hospital, Happy Valley, Hong Kong
| | - Annie T W Chu
- Hong Kong Hereditary Breast Cancer Family Registry, Cancer Genetics Centre, Happy Valley, Hong Kong
| | - Wendy K Chung
- Departments of Pediatrics and Medicine, Columbia University, New York, New York
| | | | | | - Embrace Collaborators
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Jackie Cook
- Sheffield Clinical Genetics Service, Sheffield Children's Hospital, Sheffield, United Kingdom
| | - Laura Cortesi
- Department of Oncology and Haematology, University of Modena and Reggio Emilia, Modena, Italy
| | - Fergus J Couch
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
| | - Mary B Daly
- Department of Clinical Genetics, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Giuseppe Damante
- Department of Medical and Biological Sciences, University of Udine, Udine, Italy
| | - Esther Darder
- Genetic Counseling Unit, Hereditary Cancer Program, IDIBGI (Institut d'Investigació Biomèdica de Girona), Catalan Institute of Oncology, CIBERONC, Girona, Spain
| | - Rosemarie Davidson
- Department of Clinical Genetics, South Glasgow University Hospitals, Glasgow, United Kingdom
| | - Miguel de la Hoya
- Medical Oncology Department, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), Centro Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Lara Della Puppa
- Division of Functional Onco-genomics and Genetics, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, Italy
| | - Joe Dennis
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Orland Díez
- Oncogenetics Group, Clinical and Molecular Genetics Area, Vall d'Hebron Institute of Oncology (VHIO), University Hospital, Barcelona, Spain
| | - Yuan Chun Ding
- Department of Population Sciences, Beckman Research Institute of City of Hope, Duarte, California
| | - Nina Ditsch
- Department of Gynecology and Obstetrics, Ludwig Maximilian University of Munich, Munich, Germany
| | - Susan M Domchek
- Department of Medicine, Abramson Cancer Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Alan Donaldson
- Clinical Genetics Department, St Michael's Hospital, Bristol, United Kingdom
| | - Bernd Dworniczak
- Institute of Human Genetics, University of Münster, Münster, Germany
| | - Douglas F Easton
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
- Centre for Cancer Genetic Epidemiology, Department of Oncology, University of Cambridge, Cambridge, United Kingdom
| | - Diana M Eccles
- Cancer Sciences Academic Unit, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Rosalind A Eeles
- Oncogenetics Team, The Institute of Cancer Research and Royal Marsden NHS Foundation Trust, Sutton, United Kingdom
| | - Hans Ehrencrona
- Department of Clinical Genetics, Lund University Hospital, Lund, Sweden
| | - Bent Ejlertsen
- Department of Oncology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Christoph Engel
- Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Leipzig, Germany
- LIFE - Leipzig Research Centre for Civilization Diseases, University of Leipzig, Leipzig, Germany
| | - D Gareth Evans
- Division of Evolution and Genomic Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health and Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
- Manchester Centre for Genomic Medicine, St Mary's Hospital, Central Manchester University Hospitals NHS Foundation Trust and Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Laurence Faivre
- Unité d'oncogénétique, Centre de Lutte Contre le Cancer, Centre Georges-François Leclerc, Dijon, France
| | - Ulrike Faust
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, Tübingen, Germany
| | - Lídia Feliubadaló
- Molecular Diagnostic Unit, Hereditary Cancer Program, IDIBELL (Bellvitge Biomedical Research Institute), Catalan Institute of Oncology, CIBERONC, Barcelona, Spain
| | - Lenka Foretova
- Department of Cancer Epidemiology and Genetics, Masaryk Memorial Cancer Institute, Brno, Czech Republic
| | - Florentia Fostira
- Molecular Diagnostics Laboratory, INRASTES, National Centre for Scientific Research "Demokritos", Athens, Greece
| | - George Fountzilas
- Second Department of Medical Oncology, EUROMEDICA General Clinic of Thessaloniki, Aristotle University of Thessaloniki School of Medicine, Thessaloniki, Greece
| | - Debra Frost
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Vanesa García-Barberán
- Medical Oncology Department, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), Centro Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Pilar Garre
- Medical Oncology Department, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), Centro Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | | | - Lajos Géczi
- Department of Chemotherapy, National Institute of Oncology, Budapest, Hungary
| | - Andrea Gehrig
- Centre of Familial Breast and Ovarian Cancer, Department of Medical Genetics, Institute of Human Genetics, University of Würzburg, Würzburg, Germany
| | - Anne-Marie Gerdes
- Department of Clinical Genetics, Rigshospitalet, Copenhagen, Denmark
| | - Paul Gesta
- Service Régional Oncogénétique Poitou-Charentes, CH Niort, Niort, France
| | - Giuseppe Giannini
- Department of Molecular Medicine, University La Sapienza, Rome, Italy
| | - Gord Glendon
- Fred A. Litwin Center for Cancer Genetics, Lunenfeld-Tanenbaum Research Institute of Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Andrew K Godwin
- Department of Pathology and Laboratory Medicine, Kansas University Medical Center, Kansas City, Kansas
| | - David E Goldgar
- Department of Dermatology, Huntsman Cancer Institute, University of Utah School of Medicine, Salt Lake City, Utah
| | - Mark H Greene
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Angelica M Gutierrez-Barrera
- Department of Breast Medical Oncology and Clinical Genetics Program, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Eric Hahnen
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Center for Hereditary Breast and Ovarian Cancer, University Hospital of Cologne, Cologne, Germany
| | - Ute Hamann
- Molecular Genetics of Breast Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jan Hauke
- Center for Integrated Oncology (CIO), University Hospital of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Center for Hereditary Breast and Ovarian Cancer, University Hospital of Cologne, Cologne, Germany
| | - Natalie Herold
- Center for Integrated Oncology (CIO), University Hospital of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Center for Hereditary Breast and Ovarian Cancer, University Hospital of Cologne, Cologne, Germany
| | - Frans B L Hogervorst
- Family Cancer Clinic, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands
| | - Ellen Honisch
- Department of Gynecology and Obstetrics, University Hospital Düsseldorf, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
| | - John L Hopper
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria, Australia
| | - Peter J Hulick
- Center for Medical Genetics, NorthShore University HealthSystem, Evanston, Illinois
- The University of Chicago Pritzker School of Medicine, Chicago, Illinois
| | - KConFab Investigators
- Peter MacCallum Cancer Center, Melbourne, Victoria, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Hebon Investigators
- The Hereditary Breast and Ovarian Cancer Research Group Netherlands (HEBON), Coordinating center: The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Louise Izatt
- Clinical Genetics, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
| | - Agnes Jager
- Department of Medical Oncology, Family Cancer Clinic, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Paul James
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia
- Parkville Familial Cancer Centre, Peter MacCallum Cancer Center, Melbourne, Victoria, Australia
| | - Ramunas Janavicius
- Hematology, Oncology and Transfusion Medicine Center, Department of Molecular and Regenerative Medicine, Vilnius University Hospital Santariskiu Clinics, Vilnius, Lithuania
| | - Uffe Birk Jensen
- Department of Clinical Genetics, Aarhus University Hospital, Aarhus, Denmark
| | | | | | - Esther M John
- Division of Oncology, Department of Medicine, Stanford Cancer Institute, Stanford University School of Medicine, Stanford, California
| | - Vijai Joseph
- Clinical Genetics Research Lab, Department of Cancer Biology and Genetics, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Eunyoung Kang
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Karin Kast
- Department of Gynecology and Obstetrics, Technical University of Dresden, Dresden, Germany
| | - Johanna I Kiiski
- Department of Obstetrics and Gynecology, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
| | - Sung-Won Kim
- Department of Surgery, Daerim Saint Mary's Hospital, Seoul, Korea
| | - Zisun Kim
- Department of Surgery, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gacheon University College of Medicine, Incheon, Republic of Korea
| | - Irene Konstantopoulou
- Molecular Diagnostics Laboratory, INRASTES, National Centre for Scientific Research "Demokritos", Athens, Greece
| | - Gero Kramer
- Department of Urology, Medical University of Vienna, Vienna, Austria
| | - Lotte Krogh
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
| | - Torben A Kruse
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
| | - Ava Kwong
- Hong Kong Hereditary Breast Cancer Family Registry, Cancer Genetics Centre, Happy Valley, Hong Kong
- Department of Surgery, The University of Hong Kong, Pok Fu Lam, Hong Kong
- Department of Surgery, Hong Kong Sanatorium and Hospital, Happy Valley, Hong Kong
| | - Mirjam Larsen
- Center for Integrated Oncology (CIO), University Hospital of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Center for Hereditary Breast and Ovarian Cancer, University Hospital of Cologne, Cologne, Germany
| | - Christine Lasset
- Unité de Prévention et d'Epidémiologie Génétique, Centre Léon Bérard, Lyon, France
| | - Charlotte Lautrup
- Department of Clinical Genetics, Aalborg University Hospital, Aalborg, Denmark
| | - Conxi Lazaro
- Molecular Diagnostic Unit, Hereditary Cancer Program, IDIBELL (Bellvitge Biomedical Research Institute), Catalan Institute of Oncology, CIBERONC, Barcelona, Spain
| | - Jihyoun Lee
- Department of Surgery, Soonchunhyang University College of Medicine and Soonchunhyang University Hospital, Seoul, Korea
| | - Jong Won Lee
- Department of Surgery, Ulsan University College of Medicine and Asan Medical Center, Seoul, Korea
| | - Min Hyuk Lee
- Department of Surgery, Soonchunhyang University College of Medicine and Soonchunhyang University Hospital, Seoul, Korea
| | - Johannes Lemke
- Institute of Human Genetics, University Hospital Leipzig, Leipzig, Germany
| | - Fabienne Lesueur
- Service de Génétique, Institut Curie, Paris, France
- Genetic Epidemiology of Cancer Team, Inserm U900, Paris, France
- Institut Curie, Paris, France
- Mines ParisTech, Fontainebleau, France
| | | | - Annika Lindblom
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden
| | - Patricia Llovet
- Medical Oncology Department, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), Centro Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Adria Lopez-Fernández
- High Risk and Cancer Prevention Group, Vall d'Hebron Institute of Oncology, University Hospital Vall d'Hebron, Barcelona, Spain
| | - Irene Lopez-Perolio
- Medical Oncology Department, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), Centro Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Victor Lorca
- Medical Oncology Department, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), Centro Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Jennifer T Loud
- Clinical Genetics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Edmond S K Ma
- Hong Kong Hereditary Breast Cancer Family Registry, Cancer Genetics Centre, Happy Valley, Hong Kong
- Department of Pathology, Hong Kong Sanatorium and Hospital, Happy Valley, Hong Kong
| | - Phuong L Mai
- Magee-Womens Hospital, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Siranoush Manoukian
- Unit of Medical Genetics, Department of Medical Oncology and Hematology, Fondazione IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico), Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Veronique Mari
- Département d'Hématologie-Oncologie Médicale, Centre Antoine Lacassagne, Nice, France
| | - Lynn Martin
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Laura Matricardi
- Immunology and Molecular Oncology Unit, Veneto Institute of Oncology IOV - IRCCS, Padua, Italy
| | - Noura Mebirouk
- Service de Génétique, Institut Curie, Paris, France
- Genetic Epidemiology of Cancer Team, Inserm U900, Paris, France
- Institut Curie, Paris, France
- Mines ParisTech, Fontainebleau, France
| | - Veronica Medici
- Department of Oncology and Haematology, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Alfons Meindl
- Department of Gynecology and Obstetrics, Ludwig Maximilian University of Munich, Munich, Germany
| | - Arjen R Mensenkamp
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Clare Miller
- Department of Clinical Genetics, Alder Hey Hospital, Liverpool, United Kingdom
| | - Denise Molina Gomes
- Service de Biologie de la Reproduction, Cytogénétique et Génétique Médicale, CHI Poissy - Saint Germain, Poissy, France
| | - Marco Montagna
- Immunology and Molecular Oncology Unit, Veneto Institute of Oncology IOV - IRCCS, Padua, Italy
| | - Thea M Mooij
- Department of Epidemiology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Lidia Moserle
- Immunology and Molecular Oncology Unit, Veneto Institute of Oncology IOV - IRCCS, Padua, Italy
| | | | - Anna Marie Mulligan
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
- Laboratory Medicine Program, University Health Network, Toronto, Ontario, Canada
| | - Katherine L Nathanson
- Department of Medicine, Abramson Cancer Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Marie Navratilova
- Department of Cancer Epidemiology and Genetics, Masaryk Memorial Cancer Institute, Brno, Czech Republic
| | - Heli Nevanlinna
- Department of Obstetrics and Gynecology, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
| | - Dieter Niederacher
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria, Australia
| | - Finn C Cilius Nielsen
- Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | | | - Kenneth Offit
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
- Clinical Genetics Service, Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Edith Olah
- Department of Molecular Genetics, National Institute of Oncology, Budapest, Hungary
| | | | - Kai-Ren Ong
- West Midlands Regional Genetics Service, Birmingham Women's Hospital Healthcare NHS Trust, Birmingham, United Kingdom
| | - Ana Osorio
- Human Cancer Genetics Programme, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
- Biomedical Network on Rare Diseases (CIBERER), Madrid, Spain
| | - Claus-Eric Ott
- Institute for Medical Genetics and Human Genetics, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Domenico Palli
- Cancer Risk Factors and Life-Style Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy
| | - Sue K Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Korea
- Cancer Research Institute, Seoul National University, Seoul, Korea
| | - Michael T Parsons
- Department of Genetics and Computational Biology, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Inge Sokilde Pedersen
- Section of Molecular Diagnostics, Clinical Biochemistry, Aalborg University Hospital, Aalborg, Denmark
| | - Bernard Peissel
- Unit of Medical Genetics, Department of Medical Oncology and Hematology, Fondazione IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico), Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Ana Peixoto
- Department of Genetics, Portuguese Oncology Institute, Porto, Portugal
| | - Pedro Pérez-Segura
- Department of Oncology, Hospital Clinico San Carlos, IdISSC, Madrid, Spain
| | - Paolo Peterlongo
- Genome Diagnostics Program, IFOM - the FIRC (Italian Foundation for Cancer Research) Institute of Molecular Oncology, Milan, Italy
| | | | - Mary E Porteous
- South East of Scotland Regional Genetics Service, Western General Hospital, Edinburgh, United Kingdom
| | - Miguel Angel Pujana
- Translational Research Laboratory, IDIBELL (Bellvitge Biomedical Research Institute), Catalan Institute of Oncology, CIBERONC, Barcelona, Spain
| | - Paolo Radice
- Unit of Molecular Bases of Genetic Risk and Genetic Testing, Department of Research, in Fondazione IRCCS (Istituto Di Ricovero e Cura a Carattere Scientifico) Istituto Nazionale dei Tumori (INT), Milan, Italy
| | - Juliane Ramser
- Division of Gynaecology and Obstetrics, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
| | | | - Muhammad U Rashid
- Molecular Genetics of Breast Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Basic Sciences, Shaukat Khanum Memorial Cancer Hospital and Research Centre (SKMCH & RC), Lahore, Pakistan
| | - Kerstin Rhiem
- Center for Integrated Oncology (CIO), University Hospital of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Center for Hereditary Breast and Ovarian Cancer, University Hospital of Cologne, Cologne, Germany
| | - Piera Rizzolo
- Department of Molecular Medicine, University La Sapienza, Rome, Italy
| | - Mark E Robson
- Clinical Genetics Service, Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Matti A Rookus
- Department of Epidemiology, The Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Caroline M Rossing
- Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | | | - Catarina Santos
- Department of Genetics, Portuguese Oncology Institute, Porto, Portugal
| | - Claire Saule
- Service de Génétique, Institut Curie, Paris, France
| | - Rosa Scarpitta
- Section of Genetic Oncology, Department of Laboratory Medicine, University and University Hospital of Pisa, Pisa, Italy
| | - Rita K Schmutzler
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Center for Hereditary Breast and Ovarian Cancer, University Hospital of Cologne, Cologne, Germany
| | - Hélène Schuster
- Unité d'Oncogénétique, Centre de Lutte Contre le Cancer Paul Strauss, Strasbourg, France
| | - Leigha Senter
- Clinical Cancer Genetics Program, Division of Human Genetics, Department of Internal Medicine, The Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
| | - Caroline M Seynaeve
- Department of Medical Oncology, Family Cancer Clinic, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
| | - Payal D Shah
- Department of Medicine, Abramson Cancer Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Priyanka Sharma
- Department of Internal Medicine, Division of Oncology, University of Kansas Medical Center, Westwood, Kansas
| | - Vivian Y Shin
- Department of Surgery, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | | | - Jacques Simard
- Genomics Center, Centre Hospitalier Universitaire de Québec - Université Laval, Research Centre, Québec City, Québec, Canada
| | - Christian F Singer
- Dept of OB/GYN and Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | | | - Katie Snape
- Medical Genetics Unit, St George's, University of London, London, United Kingdom
| | - Angela R Solano
- INBIOMED, Faculty of Medicine/CONICET and CEMIC, Department of Clinical Chemistry, Medical Direction, University of Buenos Aires, Buenos Aires, Argentina
| | - Penny Soucy
- Department of Internal Medicine, Division of Oncology, University of Kansas Medical Center, Westwood, Kansas
| | - Melissa C Southey
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, Victoria, Australia
- Department of Clinical Pathology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Amanda B Spurdle
- Department of Genetics and Computational Biology, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Linda Steele
- Department of Population Sciences, Beckman Research Institute of City of Hope, Duarte, California
| | - Doris Steinemann
- Institute of Cell and Molecular Pathology, Hannover Medical School, Hannover, Germany
| | - Dominique Stoppa-Lyonnet
- Service de Génétique, Institut Curie, Paris, France
- Department of Tumour Biology, INSERM U830, Paris, France
- Université Paris Descartes, Paris, France
| | - Agostina Stradella
- Genetic Counseling Unit, Hereditary Cancer Program, IDIBELL (Bellvitge Biomedical Research Institute), Catalan Institute of Oncology, CIBERONC, Barcelona, Spain
| | - Lone Sunde
- Department of Clinical Genetics, Aarhus University Hospital, Aarhus, Denmark
| | - Christian Sutter
- Institute of Human Genetics, University Hospital Heidelberg, Heidelberg, Germany
| | - Yen Y Tan
- Department of OB/GYN, Medical University of Vienna, Vienna, Austria
| | - Manuel R Teixeira
- Department of Genetics, Portuguese Oncology Institute, Porto, Portugal
- Biomedical Sciences Institute (ICBAS), University of Porto, Porto, Portugal
| | - Soo Hwang Teo
- Cancer Research Malaysia, Subang Jaya, Selangor, Malaysia
- Breast Cancer Research Unit, Cancer Research Institute, University Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Mads Thomassen
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
| | | | - Marc Tischkowitz
- Program in Cancer Genetics, Departments of Human Genetics and Oncology, McGill University, Montréal, Quebec, Canada
- Department of Medical Genetics, University of Cambridge, Cambridge, United Kingdom
| | - Silvia Tognazzo
- Immunology and Molecular Oncology Unit, Veneto Institute of Oncology IOV - IRCCS, Padua, Italy
| | - Amanda E Toland
- Department of Cancer Biology and Genetics, The Ohio State University, Columbus, Ohio
| | | | - Diana Torres
- Molecular Genetics of Breast Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Institute of Human Genetics, Pontificia Universidad Javeriana, Bogota, Colombia
| | - Angela Toss
- Department of Oncology and Haematology, University of Modena and Reggio Emilia, Modena, Italy
| | - Alison H Trainer
- Parkville Familial Cancer Centre, Peter MacCallum Cancer Center, Melbourne, Victoria, Australia
| | - Nadine Tung
- Department of Medical Oncology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Christi J van Asperen
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, the Netherlands
| | | | - Lizet E van der Kolk
- Family Cancer Clinic, The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands
| | - Rob B van der Luijt
- Department of Medical Genetics, University Medical Center, Utrecht, the Netherlands
| | - Liselotte P van Hest
- Clinical Genetics, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Liliana Varesco
- Unit of Hereditary Cancer, Department of Epidemiology, Prevention and Special Functions, IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico) AOU San Martino, IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
| | - Raymonda Varon-Mateeva
- Institute for Medical Genetics and Human Genetics, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Alessandra Viel
- Division of Functional Onco-genomics and Genetics, Centro di Riferimento Oncologico di Aviano (CRO), IRCCS, Aviano, Italy
| | | | - Roberta Villa
- Unit of Medical Genetics, Department of Medical Oncology and Hematology, Fondazione IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico), Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | | | - Philipp Wagner
- Department of Women's Health, Tubingen University Hospital, Tubingen, Germany
| | - Shan Wang-Gohrke
- Department of Gynaecology and Obstetrics, University Hospital Ulm, Ulm, Germany
| | - Barbara Wappenschmidt
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
- Center for Hereditary Breast and Ovarian Cancer, University Hospital of Cologne, Cologne, Germany
| | | | - Greet Wieme
- Centre for Medical Genetics, Ghent University, Ghent, Belgium
| | | | - Drakoulis Yannoukakos
- Molecular Diagnostics Laboratory, INRASTES, National Centre for Scientific Research "Demokritos", Athens, Greece
| | - Sook-Yee Yoon
- Cancer Research Initiatives Foundation, Sime Darby Medical Centre, Subang Jaya, Selangor, Malaysia
| | - Cristina Zanzottera
- Unit of Medical Genetics, Department of Medical Oncology and Hematology, Fondazione IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico), Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Kristin K Zorn
- Magee-Womens Hospital, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Anthony V D'Amico
- Department of Radiation Oncology, Dana-Farber Cancer Institute and Brigham and Women's Hospital, Boston, Massachusetts
| | | | | | - Georgia Chenevix-Trench
- Department of Genetics and Computational Biology, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Antonis C Antoniou
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Susan L Neuhausen
- Department of Population Sciences, Beckman Research Institute of City of Hope, Duarte, California
| | - Laura Ottini
- Department of Molecular Medicine, University La Sapienza, Rome, Italy
| | | | - Timothy R Rebbeck
- Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
- Dana-Farber Cancer Institute. Boston, Massachusetts
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Jang J, Ma SH, Ko KP, Choi BY, Yoo KY, Park SK. Hepatocyte Growth Factor in Blood and Gastric Cancer Risk: A Nested Case-Control Study. Cancer Epidemiol Biomarkers Prev 2019; 29:470-476. [PMID: 31740519 DOI: 10.1158/1055-9965.epi-19-0436] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 07/17/2019] [Accepted: 11/12/2019] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Potential of hepatocyte growth factor (HGF)-stimulating signaling pathways related to cytotoxin-associated gene A (CagA) to predict gastric cancer development has not been fully investigated. METHODS We conducted a nested case-control study consisting of 238 gastric cancer cases and 238 matched controls within the Korean Multicenter Cancer Cohort. Plasma HGF concentrations were measured with a human HGF ELISA. Odds ratios (OR) and 95% confidence intervals (CI) for gastric cancer development according to HGF level were calculated using conditional logistic regression model. RESULTS Sequential elevation of gastric cancer risk according to HGF level increase was observed (OR, 10.99; 95% CI, 4.91-24.62) for highest quartile HGF (≥364 pg/mL) versus lowest quartile HGF (<167 pg/mL). A significantly increased gastric cancer risk associated with high HGF level measured even 6 or more years prior to cancer diagnosis was also found. The group with both high risk of HGF and CagA-related genetic variants was associated with highest gastric cancer risk compared with the group with both low risk of HGF and genetic variants (P interaction = 0.05). Model performance using HGF and CagA-related genetic variants to discriminate gastric cancer was fair [area under the curve of receiver operating characteristic (AUC-ROC), 0.71; 95% CI, 0.64-0.78] and significantly higher than that of model not including those biomarkers. CONCLUSIONS Our results suggest HGF as a potential biomarker to predict gastric cancer development. IMPACT These findings suggest HGF as a useful biomarker to predict gastric cancer risk. Further research to assess gastric cancer risk based on useful biomarkers, including HGF, may contribute to primary prevention of gastric cancer.
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Affiliation(s)
- Jieun Jang
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Biomedical Science, Seoul National University Graduate School, Seoul, Korea
| | - Seung Hyun Ma
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University College of Medicine, Incheon, Korea
| | - Bo Yul Choi
- Department of Preventive Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Keun-Young Yoo
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,The Armed Forces Capital Hospital, Seongnam, Korea
| | - Sue K Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea. .,Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Biomedical Science, Seoul National University Graduate School, Seoul, Korea
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23
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Yoo JY, Cho HJ, Moon S, Kim I, Ko KP, Park SK, Lee JE. Abstract 636: Salted food intake and risk of gastric cancer: A pooled analysis of Korean cohorts and a global meta-analysis. Cancer Res 2019. [DOI: 10.1158/1538-7445.am2019-636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Backgrounds: Gastric cancer, the fifth most common cancer, is the third most common cause of death from cancer with more than half of the cases occurring in Eastern Asia. The World Cancer Research Fund proposed “foods preserved by salting” as probable risk factors of gastric cancer, as evidenced from epidemiological studies addressing high salt foods and gastric cancer.
Methods: We conducted a pooled analysis of Korean cohorts, The Korean Genome Epidemiology Study (KoGES) and Korean Multi-center Cancer Cohort Study (KMCC) to investigate the association between salted food intake and gastric cancer mortality among Korean population. We used cox proportional hazard models adjusted for potential confounding factors. We also reviewed global observational studies published until October 2018 and conducted a dose-response and a categorical meta-analysis. We used either a random effect model or a fixed effect model depending on the heterogeneity of the studies. We further categorized salted food into salted vegetable, fish, and soup to examine the relative risk (RR) of gastric cancer for specific salted foods.
Results: The pooled RRs (95% confidence intervals, CIs) of gastric cancer among KoGES and KMCC were 0.99 (0.95-1.04) per 50g increase in salted food intake and 0.98(0.94-1.03), 1.79(1.05-3.06), 1.17(0.95-1.43) per 50g increase in intake of salted vegetable, fish, and soup, respectively. The pooled RR (95% CI) of gastric cancer, compared with the lowest category of salted food intake, was 0.95(0.63-1.27) for the highest category of intake. For the dose-response meta-analysis, we included 35 studies (15 cohort and 20 case-control), and the combined global RRs (95% CIs) of gastric cancer per 50g increase in intake were 1.07 (1.02-1.12) for salted food and 1.11(1.03-1.20), 2.10(1.27-3.46), 1.00(0.99-1.01) for salted vegetable, fish, and soup, respectively. When we analyzed prospective studies only, the RRs (95% CIs) per 50g increase in intake were 1.02(0.99-1.06) for salted food and 1.05(0.98-1.13), 1.26(1.01-1.59), 1.00(0.99-1.01) for salted vegetable, fish, and soup, respectively. For the categorical meta-analysis, 69 studies (23 cohort and 46 case-control) were included; the combined RRs (95% CIs) of the highest intake category, compared to the lowest intake category, were 1.19(1.11-1.27), 1.30(1.19-1.40), 1.06(0.95-1.16), and 1.03(0.92-1.14) for salted food, vegetable, fish, and soup, respectively.
Conclusions: The pooled analysis showed a statistically significant association between risk of gastric cancer and salted fish intake among Korean population. The global meta-analyses also showed a significant association between intake of salted food and risk of gastric cancer.
Acknowledgements: This study was funded by the Korean Foundation for Cancer Research (Grant Number. CB-2017-A-2)
Citation Format: Jin Young Yoo, Hyun Jeong Cho, Sungji Moon, Inah Kim, Kwang-Pil Ko, Sue Kyung Park, Jung Eun Lee. Salted food intake and risk of gastric cancer: A pooled analysis of Korean cohorts and a global meta-analysis [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2019; 2019 Mar 29-Apr 3; Atlanta, GA. Philadelphia (PA): AACR; Cancer Res 2019;79(13 Suppl):Abstract nr 636.
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Affiliation(s)
- Jin Young Yoo
- 1Seoul National University, Seoul, Republic of Korea
| | | | - Sungji Moon
- 2Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Inah Kim
- 3Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Kwang-Pil Ko
- 4Gachon University College of Medicine, Incheon, Republic of Korea
| | - Sue Kyung Park
- 2Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jung Eun Lee
- 1Seoul National University, Seoul, Republic of Korea
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24
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Affiliation(s)
- Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University College of Medicine, Incheon, Korea
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25
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Kang JM, Joo SW, Son YD, Kim H, Ko KP, Lee JS, Kang SG. Low white-matter integrity between the left thalamus and inferior frontal gyrus in patients with insomnia disorder. J Psychiatry Neurosci 2018; 43:366-374. [PMID: 30371992 PMCID: PMC6203544 DOI: 10.1503/jpn.170195] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Previous studies have reported functional and structural abnormalities in the thalamus and the pars triangularis of the inferior frontal gyrus in patients with insomnia disorder. However, no studies have been conducted on the white-matter tracts between these 2 brain regions. We aimed to compare the white-matter integrity and structure of the left thalamus–pars triangularis tracts between patients with insomnia and controls, and to characterize the relationship between white-matter integrity and clinical features in patients with insomnia. METHODS In total, 22 participants with insomnia disorder and 27 controls underwent overnight polysomnography and brain magnetic resonance imaging, and then completed self-report clinical questionnaires and neurocognitive tests for spatial planning. Structural and diffusion measures such as fractional anisotropy, axial diffusivity, radial diffusivity and trace were analyzed in group comparison and correlation analyses. RESULTS The insomnia group showed significantly lower fractional anisotropy (F = 8.647, p = 0.02) and axial diffusivity (F = 5.895, p = 0.038) in the left thalamus–pars triangularis tracts than controls. In patients with insomnia, fractional anisotropy in the tracts was correlated with the results of the Stockings of Cambridge test (r = 0.451, p = 0.034), and radial diffusivity was correlated with Epworth Sleepiness Scale score (r = 0.437, p = 0.042). LIMITATIONS Limitations included analyses of limited brain regions and the cross-sectional design. CONCLUSION The insomnia group showed decreased integrity in the left thalamus–pars triangularis tracts, and integrity was correlated with cognition and daytime sleepiness. These results may imply that insomnia is characterized by disintegration of the white-matter tract between the left thalamus and inferior frontal gyrus.
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Affiliation(s)
| | | | | | | | | | - Jung Sun Lee
- Correspondence to: S. Kang, Department of Psychiatry, Gil Medical Center, Gachon University, College of Medicine, 21, Namdong-daero 774 beon-gil, Namdong-gu, Incheon, 21565, Republic of Korea; ; J. Lee, Department of Psychiatry, University of Ulsan College of Medicine, Asan Medical Center, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea;
| | - Seung-Gul Kang
- Correspondence to: S. Kang, Department of Psychiatry, Gil Medical Center, Gachon University, College of Medicine, 21, Namdong-daero 774 beon-gil, Namdong-gu, Incheon, 21565, Republic of Korea; ; J. Lee, Department of Psychiatry, University of Ulsan College of Medicine, Asan Medical Center, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea;
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Ha SG, Oh KJ, Ko KP, Sun YH, Ryoo E, Tchah H, Jeon IS, Kim HJ, Ahn JM, Cho HK. Therapeutic Efficacy and Safety of Prolonged Macrolide, Corticosteroid, Doxycycline, and Levofloxacin against Macrolide-Unresponsive Mycoplasma pneumoniae Pneumonia in Children. J Korean Med Sci 2018; 33:e268. [PMID: 30344461 PMCID: PMC6193889 DOI: 10.3346/jkms.2018.33.e268] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Accepted: 07/05/2018] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND We aimed to compare the therapeutic efficacy of prolonged macrolide (PMC), corticosteroids (CST), doxycycline (DXC), and levofloxacin (LFX) against macrolide-unresponsive Mycoplasma pneumoniae (MP) pneumonia in children and to evaluate the safety of the secondary treatment agents. METHODS We retrospectively analyzed the data of patients with MP pneumonia hospitalized between January 2015 and April 2017. Macrolide-unresponsiveness was clinically defined with a persistent fever of ≥ 38.0°C at ≥ 72 hours after macrolide treatment. The cases were divided into four groups: PMC, CST, DXC, and LFX. We compared the time to defervescence (TTD) after secondary treatment and the TTD after initial macrolide treatment in each group with adjustment using propensity score-matching analysis. RESULTS Among 1,165 cases of MP pneumonia, 190 (16.3%) were unresponsive to macrolides. The proportion of patients who achieved defervescence within 48 hours in CST, DXC, and LFX groups were 96.9% (31/33), 85.7% (12/14), and 83.3% (5/6), respectively. The TTD after initial macrolide treatment did not differ between PMC and CST groups (5.1 vs. 4.2 days, P = 0.085), PMC and DXC groups (4.9 vs. 5.7 days, P = 0.453), and PMC and LFX groups (4.4 vs. 5.0 days, P = 0.283). No side effects were observed in the CST, DXC, and LFX groups. CONCLUSION The change to secondary treatment did not show better efficacy compared to PMC in children with macrolide-unresponsive MP pneumonia. Further studies are needed to guide appropriate treatment in children with MP pneumonia.
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Affiliation(s)
- Seok Gyun Ha
- Department of Pediatrics, Gachon University College of Medicine, Incheon, Korea
| | - Kyung Jin Oh
- Department of Pediatrics, Gachon University College of Medicine, Incheon, Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University College of Medicine, Incheon, Korea
| | - Yong Han Sun
- Department of Pediatrics, Gachon University College of Medicine, Incheon, Korea
| | - Eell Ryoo
- Department of Pediatrics, Gachon University College of Medicine, Incheon, Korea
| | - Hann Tchah
- Department of Pediatrics, Gachon University College of Medicine, Incheon, Korea
| | - In Sang Jeon
- Department of Pediatrics, Gachon University College of Medicine, Incheon, Korea
| | - Hyo Jeong Kim
- Department of Pediatrics, Gachon University College of Medicine, Incheon, Korea
| | - Jung Min Ahn
- Department of Pediatrics, Gachon University College of Medicine, Incheon, Korea
| | - Hye-Kyung Cho
- Department of Pediatrics, Gachon University College of Medicine, Incheon, Korea
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Ko KP, Yeo Y, Yoon JH, Kim CS, Tokudome S, Ngoan LT, Koriyama C, Lim YK, Chang SH, Shin HR, Kang D, Park SK, Kang CH, Yoo KY. Plasma phytoestrogens concentration and risk of colorectal cancer in two different Asian populations. Clin Nutr 2018; 37:1675-1682. [DOI: 10.1016/j.clnu.2017.07.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Revised: 07/04/2017] [Accepted: 07/16/2017] [Indexed: 01/23/2023]
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Kang SG, Mariani S, Marvin SA, Ko KP, Redline S, Winkelman JW. Sleep EEG spectral power is correlated with subjective-objective discrepancy of sleep onset latency in major depressive disorder. Prog Neuropsychopharmacol Biol Psychiatry 2018; 85:122-127. [PMID: 29680498 DOI: 10.1016/j.pnpbp.2018.04.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 04/17/2018] [Accepted: 04/18/2018] [Indexed: 11/18/2022]
Abstract
We aimed to identify the sleep electroencephalography (EEG) spectral power correlates of the subjective-objective discrepancy (SOD) of sleep onset latency (SOL) in major depressive disorder (MDD), primary insomnia (PI), and normal sleeping control (NSC) groups. We examined relative power values in standard frequency bands of the EEG spectra during the first Non-Rapid Eye Movement (NREM) sleep period as correlates of SOD of SOL between sleep diary and polysomnography in MDD (n = 36), PI (n = 19), and NSC (n = 23) groups. We also compared the relative spectral power of sleep EEG among MDD (n = 40), PI (n = 19), and NSC (n = 23) groups. SOD of SOL in MDD patients was positively correlated with relative sigma (r = 0.622, p corrected < 0.001), beta power (r = 0.559, p corrected = 0.002), and alpha power (r = 0.469, p corrected = 0.024) in the first NREM sleep period. There was no significant difference of sleep EEG power spectra among the three groups. SOD was positively correlated with high frequency EEG in MDD. High frequency EEG power is thought to be associated with hyperarousal and memory consolidation, and future larger-scale studies may further elucidate the neurophysiological mechanisms underlying SOD of sleep onset duration.
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Affiliation(s)
- Seung-Gul Kang
- Department of Psychiatry, Gil Medical Center, Gachon University, College of Medicine, Incheon, Republic of Korea
| | - Sara Mariani
- Division of Sleep & Circadian Disorders, Department of Medicine, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Stephanie A Marvin
- Division of Sleep & Circadian Disorders, Department of Medicine, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University, College of Medicine, Incheon, Republic of Korea
| | - Susan Redline
- Division of Sleep & Circadian Disorders, Department of Medicine, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States; Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - John W Winkelman
- Departments of Psychiatry and Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States..
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Ko KP, Kim SJ, Huzarski T, Gronwald J, Lubinski J, Lynch HT, Armel S, Park SK, Karlan B, Singer CF, Neuhausen SL, Narod SA, Kotsopoulos J. The association between smoking and cancer incidence in BRCA1 and BRCA2 mutation carriers. Int J Cancer 2018; 142:2263-2272. [PMID: 29330845 PMCID: PMC6020833 DOI: 10.1002/ijc.31257] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 11/20/2017] [Accepted: 12/07/2017] [Indexed: 11/06/2022]
Abstract
Tobacco smoke is an established carcinogen, but the association between tobacco smoking and cancer risk in BRCA mutation carriers is not clear. The aim of this study was to evaluate prospectively the association between tobacco smoking and cancer incidence in a cohort of BRCA1 and BRCA2 mutation carriers. The study population consisted of unaffected BRCA mutation carriers. Information on lifestyle including smoking histories, reproductive factors, and past medical histories was obtained through questionnaires. Incident cancers were updated biennially via follow-up questionnaires. Hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using time-dependent Cox regression models. There were 700 incident cancers diagnosed over 26,711 person-years of follow-up. The most frequent cancers seen in BRCA mutation carriers were breast (n = 428; 61%) and ovarian (n = 109; 15%) cancer. Compared to nonsmokers, (ever) smoking was associated with a modest increased risk of all cancers combined (HR = 1.17; 95%CI 1.01-1.37). Women in the highest group of total pack-years (4.3-9.8) had an increased risk of developing any cancer (HR = 1.27; 95%CI 1.04-1.56), breast cancer (HR = 1.33, 95%CI 1.02-1.75), and ovarian cancer (HR = 1.68; 95%CI 1.06-2.67) compared to never smokers. The associations between tobacco smoking and cancer did not differ by BRCA mutation type or by age at diagnosis. This prospective study suggests that tobacco smoking is associated with a modest increase in the risks of breast and ovarian cancer among women with BRCA1 or BRCA2 mutation.
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Affiliation(s)
- Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University College of Medicine, Incheon, Korea
| | - Shana J Kim
- Women's College Research Institute, Women's College Hospital, Toronto, ON, Canada
| | - Tomasz Huzarski
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Jacek Gronwald
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Jan Lubinski
- International Hereditary Cancer Center, Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Henry T Lynch
- Department of Preventive Medicine and Public Health, Creighton University School of Medicine, Omaha, NE
| | - Susan Armel
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Toronto, ON, Canada
| | - Sue K Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Beth Karlan
- Gynecology Oncology, Cedars Sinai Medical Center, Los Angeles, CA
| | - Christian F Singer
- Department of Obstetrics and Gynecology and Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Susan L Neuhausen
- Department of Population Sciences, Beckman Research Institute of City of Hope, Duarte, CA
| | - Steven A Narod
- Women's College Research Institute, Women's College Hospital, Toronto, ON, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Joanne Kotsopoulos
- Women's College Research Institute, Women's College Hospital, Toronto, ON, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
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Ko KP, Shin A, Cho S, Park SK, Yoo KY. Environmental contributions to gastrointestinal and liver cancer in the Asia-Pacific region. J Gastroenterol Hepatol 2018; 33:111-120. [PMID: 28960448 DOI: 10.1111/jgh.14005] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 09/14/2017] [Accepted: 09/15/2017] [Indexed: 01/06/2023]
Abstract
In the Asia-Pacific region, gastric, colorectal, and hepatocellular (liver) cancer show substantial regional variation in incidence consistent with the presence of important environmental factors. For gastric cancer, global incidence is concentrated in Asia with substantially higher rates in East Asia than in South-East Asia and Australia. The differences in incidence rates for gastric cancer in the Asia-Pacific region may be due, in part, to differences in the prevalence of Helicobacter pylori infection and the prevalence of H. pylori virulence factors. Smoking is also correlated with gastric cancer risk and is responsible for the highest population attributable fraction among men in East Asia. Colorectal cancer has increased rapidly in incidence to become the third most common digestive cancer in Asia. According to cohort studies in Asia, smoking, alcohol use, obesity, and physical inactivity increase the risk of colorectal cancer. Unlike West Asia, East Asia and Australia have high incidence rates for colorectal cancer that correlates to a high Human Development Index and a high prevalence of alcohol consumption and obesity. Liver cancer is the second most common digestive cancer in Asia. The high incidence of liver cancer in East Asia and South-East Asia is concordant with the high prevalence of hepatitis B virus and hepatitis C virus infection. Other important risk factors include alcohol use, smoking, and diabetes. The identification of the earlier and other environmental factors (currently under investigation) is central to the development and implementation of effective cancer control programs for the region.
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Affiliation(s)
- Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University, Incheon, Korea
| | - Aesun Shin
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Sooyoung Cho
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Sue K Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Keun-Young Yoo
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Korean Armed Forces Capital Hospital, Seongnam, Korea
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Jang J, Hwang Y, Ahn C, Ko KP, Shin A, Yoo KY, Park SK. Abstract 2276: Effect modification by isoflavones on the association between salt intake and gastric cancer risk: A case-cohort study within the Korean multi-center cancer cohort. Cancer Res 2017. [DOI: 10.1158/1538-7445.am2017-2276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Backgrounds: Attenuation by genistein, an isoflavone abundant in soybean, of gastric carcinogenesis induced by sodium chloride was reported in an animal study. Up to date, role of isoflavone as an effect modifier on the association between salt intake and gastric cancer risk is not clearly established.
Methods: We randomly selected 640 subcohort subjects without cancer history at enrollment from the Korean multi-center cancer cohort participants. Ninety-nine gastric cancer cases were identified from the inside (N=8) and the outside (N=91) of the subcohort after the 12.2 years of median follow-up time. To estimate individual’s salt intake, we measured 24-hour urinary sodium excretion from spot urine using the Tanaka’s equation. Three isoflavone plasma concentrations (Genistein, daidzein, and equol) of 167 subjects among case-cohort subjects had been measured using time-resolved fluoroimmunoassay. Cubic spline curve for gastric cancer risk according to urinary sodium level was used to define optimal cut-off points of urinary sodium excretion concentration. Weighted Cox proportional hazard regression was used to calculate hazard ratios (HRs) and their 95% confidence intervals (CIs). Stratified analysis by isoflavone level was conducted to assess effect modification by isoflavone on the association between salt intake and gastric cancer.
Results: Gastric cancer risk in the high salt intake group (urinary sodium excretion ≥6,000mg/day) was significantly increased (HR, 1.69; 95% CI, 0.99-2.90) compared to the reference group (urinary sodium excretion 4500-5,999mg/day). Magnitudes of gastric cancer risk by high salt intake were more strengthened in the group with low plasma isoflavone concentrations (One or no genistein, diadzein or equol levels over the median concentrations) (HR, 6.92; 95% CI, 1.80-26.56). Contrary to the low isoflavone group, no significant differences in gastric cancer risk according to salt intake levels were found in the group with high isoflavone concentration.
Conclusions: High salt intake is associated with gastric cancer risk, but this association can be attenuated by high concentration of isoflavones. We suggest that sufficient intake of soybean products, the rich sources of isoflavone, may give protection against gastric cancer in the population with high salt intake.
Citation Format: Jieun Jang, Yunji Hwang, Choonghyun Ahn, Kwang-Pil Ko, Aesun Shin, Keun-Young Yoo, Sue K. Park. Effect modification by isoflavones on the association between salt intake and gastric cancer risk: A case-cohort study within the Korean multi-center cancer cohort [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2017; 2017 Apr 1-5; Washington, DC. Philadelphia (PA): AACR; Cancer Res 2017;77(13 Suppl):Abstract nr 2276. doi:10.1158/1538-7445.AM2017-2276
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Affiliation(s)
- Jieun Jang
- Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Yunji Hwang
- Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Choonghyun Ahn
- Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Kwang-Pil Ko
- Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Aesun Shin
- Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Keun-Young Yoo
- Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sue K. Park
- Seoul National University College of Medicine, Seoul, Republic of Korea
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Kim ST, Park KH, Shin SH, Kim JE, Pae CU, Ko KP, Hwang HY, Kang SG. Formula for predicting OSA and the Apnea-Hypopnea Index in Koreans with suspected OSA using clinical, anthropometric, and cephalometric variables. Sleep Breath 2017; 21:885-892. [PMID: 28455734 DOI: 10.1007/s11325-017-1506-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Revised: 04/05/2017] [Accepted: 04/19/2017] [Indexed: 11/26/2022]
Abstract
PURPOSE This study developed formulas to predict obstructive sleep apnea (OSA) and the Apnea-Hypopnea Index (AHI) in Korean patients with suspected OSA using clinical, anthropometric, and cephalometric variables. METHODS We evaluated relevant variables in 285 subjects with suspected OSA. These included demographic characteristics, sleep-related symptoms, medical history, clinical scales, anthropometric measurements including facial surface measurements, and cephalometric measurements. All participants underwent full-night laboratory polysomnography. The prediction formula for the probability of OSA was created by logistic regression analysis and confirmed by the bootstrap resampling technique. The formula for predicting the AHI was developed using multiple linear regression analysis. RESULTS The probability of having OSA was as follows: p = 1 / (1 + exponential (exp)-f ), where f = -16.508 + 1.445 × loudness of snoring 4 + 0.485 × loudness of snoring 3 + 0.078 × waist circumference + 0.209 × subnasale-to-stomion distance + 0.183 × thickness of the uvula (UTH) supine + 0.041 × age. The AHI prediction formula was as follows: -112.606 + 3.516 × body mass index + 0.683 × mandibular plane-hyoid supine + 10.915 × loudness of snoring 4 + 6.933 × loudness of snoring 3 + 1.297 × UTH supine + 0.272 × age. CONCLUSION This is the first study to establish formulas to predict OSA and the AHI in Koreans with suspected OSA using cephalometric and other variables. These results will contribute to prioritizing the order in which patients with suspected OSA are referred for polysomnography.
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Affiliation(s)
- Seon Tae Kim
- Department of Otolaryngology, Gil Medical Center, College of Medicine, Gachon University, Incheon, Republic of Korea
| | - Kee Hyung Park
- Department of Neurology, Gil Medical Center, College of Medicine, Gachon University, Incheon, Republic of Korea
| | - Seung-Heon Shin
- Department of Otorhinolaryngology, School of Medicine, Catholic University of Daegu, Daegu, Republic of Korea
| | - Ji-Eun Kim
- Department of Neurology, School of Medicine, Catholic University of Daegu, Daegu, Republic of Korea
| | - Chi-Un Pae
- Department of Psychiatry, Bucheon St. Mary's Hospital, College of Medicine, Catholic University of Korea, Bucheon, Republic of Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, College of Medicine, Gachon University, Incheon, Republic of Korea
| | - Hee Young Hwang
- Department of Radiology, Gil Medical Center, Gachon University, College of Medicine, Incheon, Republic of Korea
| | - Seung-Gul Kang
- Department of Psychiatry, Gil Medical Center, College of Medicine, Gachon University, 1198, Guwol-dong, Namdong-Gu, Incheon, 21565, Republic of Korea.
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Kang SG, Kang JM, Cho SJ, Ko KP, Lee YJ, Lee HJ, Kim L, Winkelman JW. Cognitive Behavioral Therapy Using a Mobile Application Synchronizable With Wearable Devices for Insomnia Treatment: A Pilot Study. J Clin Sleep Med 2017; 13:633-640. [PMID: 28162145 DOI: 10.5664/jcsm.6564] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 12/22/2016] [Indexed: 01/18/2023]
Abstract
STUDY OBJECTIVES The use of telemedicine with a mobile application (MA) and a wearable device (WD) for the management of sleep disorders has recently received considerable attention. We designed an MA synchronizable with a WD for insomnia treatment. Our pilot study determined the efficacy of simplified group cognitive behavioral therapy for insomnia (CBT-I) delivered using our MA and assessed participant adherence to and satisfaction with the device. METHODS The efficacy of the CBT-I using MA (CBT-I-MA) was assessed by comparing sleep variables (sleep efficiency [SE], Insomnia Severity Index [ISI], and Pittsburgh Sleep Quality Inventory [PSQI] scores) before and after a 4-week treatment protocol in 19 patients with insomnia disorder patients. SE was assessed using a sleep diary, actigraphy, and the PSQI. RESULTS The intervention significantly improved all three measures of SE (P < .05), and the response rate to treatment was high (94.7%). Total ISI and PSQI scores and sleep latency, as measured by the sleep diary, improved significantly. Participants showed relatively good adherence to our MA, and sleep diary entries were made on 24.3 ± 3.8 of 28 days. Moreover, 94.7% of the participants reported that our MA was effective for treating insomnia. CONCLUSIONS Our pilot study suggested the clinical usefulness of a CBT-I-MA. We expect that our findings will lead to further development and replication studies of CBT-I-MA.
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Affiliation(s)
- Seung-Gul Kang
- Department of Psychiatry, Gil Medical Center, Gachon University, School of Medicine, Incheon, Republic of Korea
| | - Jae Myeong Kang
- Department of Psychiatry, Gil Medical Center, Gachon University, School of Medicine, Incheon, Republic of Korea
| | - Seong-Jin Cho
- Department of Psychiatry, Gil Medical Center, Gachon University, School of Medicine, Incheon, Republic of Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University School of Medicine, Incheon, Republic of Korea
| | - Yu Jin Lee
- Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Heon-Jeong Lee
- Department of Psychiatry, Korea University College of Medicine, Seoul, Republic of Korea
| | - Leen Kim
- Department of Psychiatry, Korea University College of Medicine, Seoul, Republic of Korea
| | - John W Winkelman
- Departments of Psychiatry and Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
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Oh JK, Ko KP, Oh SJ. Measuring change in prostate size after holmium laser enucleation: A prospective study. Investig Clin Urol 2017; 58:200-204. [PMID: 28480346 PMCID: PMC5419102 DOI: 10.4111/icu.2017.58.3.200] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 02/20/2017] [Indexed: 02/04/2023] Open
Abstract
Purpose To analyze postoperative outcomes of prostate surgery, resected specimen weight is commonly used. The difference between the preoperative calculated transitional zone volume and actual enucleated specimen weight following holmium laser enucleation of the prostate (HoLEP) is reported at over 20%. The reason for this difference is unclear. We assessed the association of volume of the prostatic adenoma with enucleated weight, the volume and calculated volume of the adenoma by pre- and postoperative ultrasonographic measurement. Materials and Methods All patients were prospectively enrolled who underwent HoLEP by two surgeons (SJO and JKO) between 2010 and 2015. Preoperative and postoperative prostate ultrasonography examinations were performed by a single examiner (JKO) during surgery, and weight and volume of the enucleated adenoma were measured. We compared preoperative adenoma size with postoperative weight and volume of the enucleated adenoma, calculated enucleated volume using ultrasonography, and calculated the correlation coefficients between preoperative adenoma volume and postoperative parameters. Results One hundred forty-two patients with a mean age (±standard deviation) of 69.8 (±8.8) years were analyzed. The mean preoperative ultrasound-measured adenoma volume was 31.7 (±21.4) mL, while postoperatively the mean retrieved weight of the adenoma was 22.3 (±17.0) g and the mean volume was 22.3 (±16.8) mL. Postoperatively calculated enucleated volume using ultrasonography was most strongly correlated with preoperative adenoma size (Pearson correlation coefficient 0.965, p<0.01). Conclusions Our study showed a significant difference between preoperative adenoma size and postoperative enucleated weight of adenoma during HoLEP. Postoperatively calculated enucleated volume using ultrasonography may be the most reliable parameter to assess surgical outcomes following HoLEP.
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Affiliation(s)
- Jin Kyu Oh
- Department of Urology, Gachon University Gil Hospital, Incheon, Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Graduate School of Medicine, Gachon University, Incheon, Korea
| | - Seung-June Oh
- Department of Urology, Seoul National University Hospital, Seoul, Korea
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Kim AJ, Lee JH, Ko KP, Jung ES, Choi BH, Ro H, Jung JY, Lee HH, Chung W, Chang JH. Outcomes of hepatitis B surface antigenaemia in patients with incident end-stage renal disease. Nephrology (Carlton) 2017; 21:968-974. [PMID: 26617162 DOI: 10.1111/nep.12687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 11/24/2015] [Accepted: 11/24/2015] [Indexed: 12/22/2022]
Abstract
AIM Hepatitis B virus (HBV) infection is an important risk factor for morbidity and mortality in the general population. However, limited data are available on the progression of HBV infection in patients with end-stage renal disease (ESRD), and available data are controversial. Therefore, we investigated the association between hepatitis B surface antigen (HBsAg) seropositivity and mortality in patients with incident ESRD. METHODS All adult patients (≥18 years of age) starting dialysis for ESRD from January 2000 to December 2011 were included. A total of 1090 patients with ESRD were analyzed. HBsAg-positive patients were paired 1:6 with HBsAg-negative patients using propensity score matching. RESULTS Eighty one (7.4%) patients were HBsAg positive. No differences in the survival rates of the HBsAg-positive and HBsAg-negative patients with ESRD were detected in either the entire cohort or the propensity score matched cohort. No differences in survival were detected between the groups of HBsAg-positive patients based on the hepatitis B envelope antigen, hepatitis B envelope antibody, HBV DNA status, or use of antiviral agents. No difference in mortality was found between the haemodialysis (HD) and peritoneal dialysis (PD) subgroups among HBsAg-positive patients. CONCLUSION Our results suggest that hepatitis B surface antigenaemia is not related to increased mortality in patients with incident ESRD. Survival of HBsAg-positive patients undergoing PD was comparable to that of patients undergoing HD.
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Affiliation(s)
- Ae Jin Kim
- Department of Internal Medicine, Gachon University Gil Medical Center
| | - Jin Hwan Lee
- Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University School of Medicine, Incheon, Korea
| | - Eul Sik Jung
- Department of Internal Medicine, Gachon University Gil Medical Center
| | - Byoung Ho Choi
- Department of Internal Medicine, Gachon University Gil Medical Center
| | - Han Ro
- Department of Internal Medicine, Gachon University Gil Medical Center.,Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea
| | - Ji Yong Jung
- Department of Internal Medicine, Gachon University Gil Medical Center.,Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea
| | - Hyun Hee Lee
- Department of Internal Medicine, Gachon University Gil Medical Center.,Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea
| | - Wookyung Chung
- Department of Internal Medicine, Gachon University Gil Medical Center.,Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea
| | - Jae Hyun Chang
- Department of Internal Medicine, Gachon University Gil Medical Center. .,Department of Internal Medicine, Gachon University School of Medicine, Incheon, Korea.
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Ryu HJ, Seo MR, Choi HJ, Ko KP, Park PW, Baek HJ. Mean platelet volume as a marker for differentiating disease flare from infection in Behçet's disease. Int J Rheum Dis 2016; 21:1640-1645. [PMID: 27886446 DOI: 10.1111/1756-185x.13008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
AIM The aim of this study was to investigate the association between mean platelet volume (MPV) and clinical manifestations, disease activity or infection in patients with Behçet's disease (BD). METHODS In total, 193 patients diagnosed with BD according to the international criteria for BD were enrolled. Demographic data, clinical manifestations and laboratory results were collected by medical interviews and reviewing medical records. RESULTS The female : male ratio was 2 : 1 and the age of symptom onset was 32.2 ± 11.1 years. The age at diagnosis of BD was 44.7 ± 11.1 years and the follow-up duration was 4.7 ± 3.8 years. MPV at diagnosis were significantly lower than of age and sex-matched controls (8.2 ± 1.2 vs. 8.6 ± 1.2 fL, P < 0.0001). Lower MPV was not related to organ involvement except skin diseases. During follow-up, MPV was lower in BD flare than in stable BD (8.2 ± 1.4 vs. 9.1 ± 1.4 fL, P < 0.0001) in the same patients. MPVs were significantly higher in cases of accompanying infections than in those with both BD flare and stable BD (9.3 ± 1.4 vs. 8.1 ± 1.3 fL, P = 0.018 and 9.7 ± 1.4 vs. 8.8 ± 1.0 fL, P = 0.001, respectively). CONCLUSIONS MPV was significantly lower in patients with BD than controls. MPV declined in BD flare and increased in cases of infection in same patients. MPV may be useful as a marker of BD activity and its monitoring can be helpful for differentiating BD flare from infection in BD patients.
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Affiliation(s)
- Hee Jung Ryu
- Department of Rheumatology, Gachon University Gil Medical Center, Incheon, Korea
| | - Mi Ryoung Seo
- Department of Rheumatology, Gachon University Gil Medical Center, Incheon, Korea
| | - Hyo Jin Choi
- Department of Rheumatology, Gachon University Gil Medical Center, Incheon, Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University Gil Medical Center, Incheon, Korea
| | - Pil Whan Park
- Department of Laboratory Medicine, Gachon University Gil Medical Center, Incheon, Korea
| | - Han Joo Baek
- Department of Rheumatology, Gachon University Gil Medical Center, Incheon, Korea
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Lee SK, Kim TB, Ko KP, Kim CH, Kim KT, Chung KJ, Kim KH, Jung H, Yoon SJ, Oh JK. Corrigendum: Correction of the unit for stone size in the ABSTRACT and RESULTS section. The Gachon University Ureteral Narrowing score: A comprehensive standardized system for predicting necessity of ureteral dilatation to treat proximal ureteral calculi. Investig Clin Urol 2016; 57:372. [PMID: 27617321 PMCID: PMC5017562 DOI: 10.4111/icu.2016.57.5.372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Lee SK, Kim TB, Ko KP, Kim CH, Kim KT, Chung KJ, Kim KH, Jung H, Yoon SJ, Oh JK. The Gachon University Ureteral Narrowing score: A comprehensive standardized system for predicting necessity of ureteral dilatation to treat proximal ureteral calculi. Investig Clin Urol 2016; 57:280-5. [PMID: 27437538 PMCID: PMC4949700 DOI: 10.4111/icu.2016.57.4.280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 05/30/2016] [Indexed: 11/18/2022] Open
Abstract
PURPOSE For treating proximal ureteral calculi, treatment decision has been known still difficult to choose ureteroscopic lithotripsy (URS) or shockwave lithotripsy. The aims of our study are to identify the possible predictors for necessity of URS and to propose the Gachon University Ureteral Narrowing scoring system (GUUN score) as a helpful predictor. MATERIALS AND METHODS We evaluated 83 consecutive patients who underwent semirigid URS due to proximal ureteral calculi between April 2011 and February 2014 by a single surgeon. We reviewed patient characteristics and pre- and postoperative parameters and surgical records. We divided the patients into 2 groups (group 1, nondilation group; group 2, dilation group) according to whether or not balloon dilation was performed. A stepwise logistic regression was performed to identify the factors that predict dilatation. Receiver operating characteristic (ROC) curves were plotted and areas under the ROC curve (AUC) were calculated to GUUN score. RESULTS Mean patients' age and their stone size were 48.53±12.90 years and 7.79±2.57 cm, respectively. Significantly smaller stone size (p=0.009), lower stone density (p=0.005), and lower ureteral density differences between ureteral narrowing level and far distal ureter (UD) (p<0.001) were observed in group 1 (n=34) than in group 2 (n=49). GUUN score consists of age, stone size and UD (AUC, 0.938). Overall stone-free clearance rate was 85.5%. CONCLUSIONS We suggest that the GUUN score is an excellent scoring system to predict the necessity of ureteral dilatation for decision making whether or not to perform surgical manipulation.
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Affiliation(s)
- Seung Kyu Lee
- Department of Urology, Gachon University Gil Medical Center, Incheon, Korea
| | - Tae Beom Kim
- Department of Urology, Gachon University Gil Medical Center, Incheon, Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Graduate School of Medicine, Gachon University, Incheon, Korea
| | - Chang Hee Kim
- Department of Urology, Gachon University Gil Medical Center, Incheon, Korea
| | - Kwang Taek Kim
- Department of Urology, Gachon University Gil Medical Center, Incheon, Korea
| | - Kyung Jin Chung
- Department of Urology, Gachon University Gil Medical Center, Incheon, Korea
| | - Khae Hawn Kim
- Department of Urology, Gachon University Gil Medical Center, Incheon, Korea
| | - Han Jung
- Department of Urology, Gachon University Gil Medical Center, Incheon, Korea
| | - Sang Jin Yoon
- Department of Urology, Gachon University Gil Medical Center, Incheon, Korea
| | - Jin Kyu Oh
- Department of Urology, Gachon University Gil Medical Center, Incheon, Korea
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Jang J, Hwang Y, Ahn C, Ko KP, Yoo KY, Park SK. Abstract 4293: Combination of hepatocyte growth factor, genistein and daidzein concentrations as a biomarker for gastric cancer risk: A nested case-control study. Cancer Res 2016. [DOI: 10.1158/1538-7445.am2016-4293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Backgrounds: Hepatocyte growth factor (HGF) induces ERK pathway which is associated with carcinogenesis by promoting cell proliferation. Inhibition of ERK signal transduction pathways by genistein, one of the isoflavones, has been reported by several in vitro studies. Therefore, gastric cancer risk by HGF and isoflavone concentrations was evaluated in this study.
Methods: Nested case-control study with 93 gastric cancer cases and 1:1 matched controls was conducted within the Korean Multi-center Cancer Cohort (KMCC). HGF and ISF (genistein, daidzein, equol) concentrations in plasma were measured with enzyme-linked immunosorbent assay and time-resolved fluoroimmunoassay, respectively. Odds ratios (ORs) and 95% confidence intervals (95% CIs) on gastric cancer risk according to HGF and ISF level was calculated using conditional logistic regression models.
Results: Compared to the group with low level of HGF (<315pg/mL) and high level of genistein (≥212.5nmol/L), the group having high level of HGF and lower level of genistein was associated with increased gastric cancer risk (OR = 5.08, 95% CI = 1.39-18.57). Elevated gastric cancer risk in the subjects having high HGF level and low daidzein level than subjects with low HGF and high daidzein levels was also shown (OR = 3.67, 95% CI = 1.18-11.45). There was significant interaction between HGF and genistein levels on gastric cancer was found (p for interaction<0.01). Continual increase in gastric cancer risk according to the counts of risky status by HGF, genistein, and daidzein levels was found (p for trend = 0.03).
Conclusion: Our study suggests that combination of HGF, genistein and daidzein concentrations has potential as a biomarker for gastric cancer risk.
Citation Format: Jieun Jang, Yunji Hwang, Choonghyun Ahn, Kwang-Pil Ko, Keun-Young Yoo, Sue K. Park. Combination of hepatocyte growth factor, genistein and daidzein concentrations as a biomarker for gastric cancer risk: A nested case-control study. [abstract]. In: Proceedings of the 107th Annual Meeting of the American Association for Cancer Research; 2016 Apr 16-20; New Orleans, LA. Philadelphia (PA): AACR; Cancer Res 2016;76(14 Suppl):Abstract nr 4293.
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Affiliation(s)
- Jieun Jang
- 1Seoul National University Graduate School, Seoul, Republic of Korea
| | - Yunji Hwang
- 1Seoul National University Graduate School, Seoul, Republic of Korea
| | - Choonghyun Ahn
- 1Seoul National University Graduate School, Seoul, Republic of Korea
| | - Kwang-Pil Ko
- 2Gachon University College of Medicine, Incheon, Republic of Korea
| | - Keun-Young Yoo
- 1Seoul National University Graduate School, Seoul, Republic of Korea
| | - Sue K. Park
- 1Seoul National University Graduate School, Seoul, Republic of Korea
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Koo TY, Jeong JC, Lee Y, Ko KP, Lee KB, Lee S, Park SJ, Park JB, Han M, Lim HJ, Ahn C, Yang J. Pre-transplant Evaluation of Donor Urinary Biomarkers can Predict Reduced Graft Function After Deceased Donor Kidney Transplantation. Medicine (Baltimore) 2016; 95:e3076. [PMID: 26986138 PMCID: PMC4839919 DOI: 10.1097/md.0000000000003076] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Several recipient biomarkers are reported to predict graft dysfunction, but these are not useful in decision making for the acceptance or allocation of deceased donor kidneys; thus, it is necessary to develop donor biomarkers predictive of graft dysfunction. To address this issue, we prospectively enrolled 94 deceased donors and their 109 recipients who underwent transplantation between 2010 and 2013 at 4 Korean transplantation centers. We investigated the predictive values of donor urinary neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule-1 (KIM-1), and L-type fatty acid binding protein (L-FABP) for reduced graft function (RGF). We also developed a prediction model of RGF using these donor biomarkers. RGF was defined as delayed or slow graft function. Multiple logistic regression analysis was used to generate a prediction model, which was internally validated using a bootstrapping method. Multiple linear regression analysis was used to assess the association of biomarkers with 1-year graft function. Notably, donor urinary NGAL levels were associated with donor AKI (P = 0.014), and donor urinary NGAL and L-FABP were predictive for RGF, with area under the receiver-operating characteristic curves (AUROC) of 0.758 and 0.704 for NGAL and L-FABP, respectively. The best-fit model including donor urinary NGAL, L-FABP, and serum creatinine conveyed a better predictive value for RGF than donor serum creatinine alone (P = 0.02). In addition, we generated a scoring method to predict RGF based on donor urinary NGAL, L-FABP, and serum creatinine levels. Diagnostic performance of the RGF prediction score (AUROC 0.808) was significantly better than that of the DGF calculator (AUROC 0.627) and the kidney donor profile index (AUROC 0.606). Donor urinary L-FABP levels were also predictive of 1-year graft function (P = 0.005). Collectively, these findings suggest donor urinary NGAL and L-FABP to be useful biomarkers for RGF, and support the use of a new scoring system based on donor biomarkers to facilitate decision-making in acceptance and allocation of deceased donor kidneys and contribute to maximal organ utilization.
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Affiliation(s)
- Tai Yeon Koo
- From the Transplantation Center, Seoul National University Hospital, Seoul (TYK, HJL, CA, JY); Department of Pathology, Seoul National University Hospital, Seoul (K-BL); Department of Nephrology, Ajou University School of Medicine, Suwon (JCJ); Department of Cardiology, Sungae Hospital, Seoul (YL); Department of Preventive Medicine, Gachon University of Medicine and Science, Incheon (K-PK); Department of Nephrology, Chonbuk National University Hospital, Jeollabuk-do (SL); Department of Nephrology, Inje University Busan Paik Hospital, Busan (SJP); Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine (JBP); and Department of Internal Medicine (MH, CA), Seoul National University College of Medicine, Seoul, Republic of Korea
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Hwang HS, Ko KP, Kim MG, Kim S, Moon J, Chung WJ, Shin MS, Han SH. The role of abnormal metabolic conditions on arterial stiffness in healthy subjects with no drug treatment. Clin Hypertens 2016; 22:13. [PMID: 26893942 PMCID: PMC4756528 DOI: 10.1186/s40885-016-0049-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Accepted: 02/11/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Subjects with abnormal metabolic conditions had increased risk for cardiovascular disease. We investigated the role of abnormal metabolic conditions on arterial stiffness in healthy subjects with no drug treatment. METHODS A total 601 subjects (age 48.7 ± 11.8 years, male 46.2 %, hypertension 19.1 %) were enrolled. Major cardiovascular risk factors, metabolic conditions and parameters (pre-diabetes, diabetes mellitus, metabolic syndrome, fasting blood sugar (FBS), glycated hemoglobin), lipid profiles, hsCRP, and brachial ankle pulse wave velocity (baPWV) were measured. RESULTS Subjects with metabolic syndrome (n = 200) had higher baPWV than in subjects without metabolic syndrome (n = 401) even after adjustments for age, sex and presence of hypertension (1435.9 ± 212.2 vs. 1336.5 ± 225.0 cm/sec, p < 0.001). The differences of baPWV among normal FBS, prediabetes and diabetes mellitus groups are significant (P for trend = 0.036) by multivariate analysis (adjustments for age, sex, office systolic blood pressure). Subjects with diabetes mellitus (n = 30) had higher baPWV than in subjects with normal FBS (n = 384, 1525 ± 267.1 vs. 1341.5 ± 224.1 cm/sec, P = 0.016 adjustments for age, sex, office systolic blood pressure). BaPWV in subjects with prediabetes (n = 187) was slightly higher, but not statistically significant than in subjects with normal FBS (P = 0.377). Of interest, FBS was one of the independent predictors for increased baPWV (β = 0.809, 95 % CI 0.222-1.397, p = 0.007) by multivariate analysis. CONCLUSIONS Subjects with abnormal metabolic conditions have increased arterial stiffness independent of age and BP which may contribute to the development of cardiovascular disease.
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Affiliation(s)
- Hyo-Sang Hwang
- Division of Cardiovascular Disease, Department of Internal Medicine, Gachon University Gil Hospital, Medical Center, 1198 Kuwol-dong, Namdong-gu, 405-760 Incheon, South Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University, Incheon, South Korea
| | - Myeong Gun Kim
- Division of Cardiovascular Disease, Department of Internal Medicine, Gachon University Gil Hospital, Medical Center, 1198 Kuwol-dong, Namdong-gu, 405-760 Incheon, South Korea
| | - Sihun Kim
- Division of Cardiovascular Disease, Department of Internal Medicine, Gachon University Gil Hospital, Medical Center, 1198 Kuwol-dong, Namdong-gu, 405-760 Incheon, South Korea
| | - Jeonggeun Moon
- Division of Cardiovascular Disease, Department of Internal Medicine, Gachon University Gil Hospital, Medical Center, 1198 Kuwol-dong, Namdong-gu, 405-760 Incheon, South Korea
| | - Wook Jin Chung
- Division of Cardiovascular Disease, Department of Internal Medicine, Gachon University Gil Hospital, Medical Center, 1198 Kuwol-dong, Namdong-gu, 405-760 Incheon, South Korea
| | - Mi Seung Shin
- Division of Cardiovascular Disease, Department of Internal Medicine, Gachon University Gil Hospital, Medical Center, 1198 Kuwol-dong, Namdong-gu, 405-760 Incheon, South Korea
| | - Seung Hwan Han
- Division of Cardiovascular Disease, Department of Internal Medicine, Gachon University Gil Hospital, Medical Center, 1198 Kuwol-dong, Namdong-gu, 405-760 Incheon, South Korea
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Ma SH, Jung W, Weiderpass E, Jang J, Hwang Y, Ahn C, Ko KP, Chang SH, Shin HR, Yoo KY, Park SK. Impact of alcohol drinking on gastric cancer development according to Helicobacter pylori infection status. Br J Cancer 2015; 113:1381-8. [PMID: 26379079 PMCID: PMC4815794 DOI: 10.1038/bjc.2015.333] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 08/05/2015] [Accepted: 08/12/2015] [Indexed: 12/26/2022] Open
Abstract
Background: Helicobacter pylori are major carcinogen of gastric cancer, but the associations among gastric cancer, H. pylori infection status, and alcohol consumption are not fully described. This study aimed to clarify how H. pylori infection status affects the association between alcohol consumption and gastric cancer risk. Methods: We selected 949 case–cohort participants from the 18 863 Korean Multi-center Cancer Cohort (KMCC) populations. Gastric cancer incidence inside and outside of the subcohort were 12 and 254 cases, respectively. Seropositivities for CagA, VacA, and H. pylori infection were determined by performing immunoblot assays. Weighted Cox regression models were used to calculate hazard ratios and 95% confidence intervals (CIs). Results: Relative to non-drinking, heavy drinking (⩾7 times a week), and binge drinking (⩾55 g alcohol intake per occasion) showed a 3.48-fold (95% CI, 1.13–10.73) and 3.27-fold (95% CI, 1.01–10.56) higher risk in subjects not previously infected by H. pylori. There was no significant association between drinking pattern and gastric cancer risk in H. pylori IgG seropositive subjects. An increased risk for gastric cancer in heavy- and binge-drinking subjects were also present in subjects not infected by CagA- or VacA-secreting H. pylori. Conclusions: Heavy and binge alcohol consumption is an important risk factor related to an increasing incidence of gastric cancer in a population not infected by H. pylori.
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Affiliation(s)
- Seung-Hyun Ma
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea
| | - Woohyun Jung
- Department of Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Elisabete Weiderpass
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.,Department of Community Medicine, Faculty of Health Sciences, University of Tromsø, The Arctic University of Norway, Tromsø, Norway.,Cancer Registry of Norway, Oslo, Norway.,Department of Genetic Epidemiology Group, Folkhälsan Research Center, Helsinki, Finland
| | - Jieun Jang
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Department of Biomedical Science, Seoul National University College of Medicine, Seoul, Korea
| | - Yunji Hwang
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Biomedical Science, Seoul National University College of Medicine, Seoul, Korea
| | - Chunghyun Ahn
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Department of Biomedical Science, Seoul National University College of Medicine, Seoul, Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University College of Medicine, Incheon, Korea
| | - Soung-Hoon Chang
- Department of Preventive Medicine, Konkuk University, Chungju, Korea
| | - Hai-Rim Shin
- Non-communicable Disease and Health Promotion, Western Pacific Regional Office, World Health Organization, Manila, Philippines
| | - Keun-Young Yoo
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Sue K Park
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Biomedical Science, Seoul National University College of Medicine, Seoul, Korea
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Ko KP, Ma SH, Yang JJ, Hwang Y, Ahn C, Cho YM, Noh DY, Park BJ, Han W, Park SK. Metformin intervention in obese non-diabetic patients with breast cancer: phase II randomized, double-blind, placebo-controlled trial. Breast Cancer Res Treat 2015; 153:361-70. [DOI: 10.1007/s10549-015-3519-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Accepted: 07/21/2015] [Indexed: 11/25/2022]
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Han JO, Im JS, Yim J, Choi YH, Ko KP, Kim J, Kim HG, Noh Y, Lim YK, Oh DK. Association of Cigarette Prices with the Prevalence of Smoking in Korean University Students: Analysis of Effects of the Tobacco Control Policy. Asian Pac J Cancer Prev 2015. [PMID: 26225706 DOI: 10.7314/apjcp.2015.16.13.5531] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Increased pricing of cigarettes might be one of the most effective approaches for reducing the prevalence of smoking. This study aimed to investigate the effects of increasing cigarette prices through taxation by a tobacco intervention policy on the changes in smoking prevalence in Korean university students. MATERIALS AND METHODS The participants in this study were 23,047 healthy university students aged 18-29 years from a health examination in 2011-2015. We investigated the adjusted prevalence of daily and occasional smoking before and after increasing cigarette prices through taxation. RESULTS The prevalence of occasional smoking was significantly decreased in 2015 from 2014 in both male (from 10.7% in 2014 to 5.4%) and female (from 3.6% to 1.1%) students, but the prevalence of daily smoking did not decrease significantly. The frequency of individuals who had attempted smoking cessation during the past year was significantly higher among occasional smokers in male students (90.2%) compared with daily smokers (64.9%). For female students, there were no differences in experience of smoking cessation, willingness for smoking cessation, or E-cigarette experience between daily and occasional smokers. CONCLUSIONS We found that a policy of increasing cigarette prices through taxation is associated with decreases in the prevalence of occasional smokers, who have relatively lower nicotine dependence compared with individuals who smoke daily. The results of our study suggest that social support and direct intervention for smoking cessation at the community level are needed for university students alongside the pricing policy.
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Affiliation(s)
- Jin-Ok Han
- Department of Preventive Medicine, Gachon University College of Medicine, Sungnam, Republic of Korea E-mail : and
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Kang SG, Cho SJ, Ryu SH, Choi SH, Han SH, Shim YS, Ko KP, Jeong JH, Lee JY, Lee DW. Normative Study of the Literacy Independent Cognitive Assessment in Illiterate and Literate Elderly Koreans. Psychiatry Investig 2015; 12. [PMID: 26207122 PMCID: PMC4504911 DOI: 10.4306/pi.2015.12.3.305] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE The aim of this study was to provide normative data on the Literacy Independent Cognitive Assessment (LICA) and to explore the effects of age, education/literacy, and gender on the performance of this test. METHODS Eight hundred and eighty-eight healthy elderly subjects, including 164 healthy illiterate subjects, participated in this study. None of the participants had serious medical, psychiatric, or neurological disorders including dementia. Bivariate linear regression analyses were performed to examine the effects of age, education/literacy, and sex on the score in each of the LICA cognitive tests. The normative scores for each age and education/literacy groups are presented. RESULTS Bivariate linear regression analyses revealed that total score and all cognitive tests of the LICA were significantly influenced by both age and education/literacy. Younger and more-educated subjects outperformed older and illiterate or less-educated subjects, respectively, in all of the tests. The normative scores of LICA total score and subset score were presented according to age (60-64, 65-69, 70-74, 75-80, and ≥80 years) and educational levels (illiterate, and 0-3, 4-6, and ≥7 years of education). CONCLUSION These results on demographic variables suggest that age and education should be taken into account when attempting to accurately interpret the results of the LICA cognitive subtests. These normative data will be useful for clinical interpretations of the LICA neuropsychological battery in illiterate and literate elderly Koreans. Similar normative studies and validations of the LICA involving different ethnic groups will help to enhance the dementia diagnosis of illiterate people of different ethnicities.
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Affiliation(s)
- Seung-Gul Kang
- Department of Psychiatry, Gil Medical Center, Gachon University School of Medicine, Incheon, Republic of Korea
| | - Seong-Jin Cho
- Department of Psychiatry, Gil Medical Center, Gachon University School of Medicine, Incheon, Republic of Korea
| | - Seung-Ho Ryu
- Department of Psychiatry, Konkuk University Hospital, Seoul, Republic of Korea
| | - Seong Hye Choi
- Department of Neurology, Inha University School of Medicine, Incheon, Republic of Korea
| | - Seol-Heui Han
- Department of Neurology, Konkuk University School of Medicine, Seoul, Republic of Korea
| | - Yong S. Shim
- Department of Neurology, Bucheon St. Mary's Hospital, The Catholic University of Korea School of Medicine, Bucheon, Republic of Korea
| | - Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University School of Medicine, Incheon, Republic of Korea
| | - Jee H. Jeong
- Department of Neurology, Ewha Womans University School of Medicine, Seoul, Republic of Korea
| | - Jun-Young Lee
- Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea
| | - Dong Woo Lee
- Department of Psychiatry, Inje University Sanggye Paik Hospital, Seoul, Republic of Korea
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Cho LY, Yang JJ, Ko KP, Ma SH, Shin A, Choi BY, Kim HJ, Han DS, Song KS, Kim YS, Chang SH, Shin HR, Kang D, Yoo KY, Park SK. Gene polymorphisms in the ornithine decarboxylase-polyamine pathway modify gastric cancer risk by interaction with isoflavone concentrations. Gastric Cancer 2015; 18:495-503. [PMID: 25079701 DOI: 10.1007/s10120-014-0396-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2012] [Accepted: 06/11/2014] [Indexed: 02/07/2023]
Abstract
BACKGROUND The study aimed to examine the association between genes encoding molecules in the ornithine decarboxylase (ODC)-polyamine pathway (ODC1, AMD1, NQO1, NOS2A, and OAZ2) and gastric cancer risk and whether the gene-phytoestrogen interaction modifies gastric cancer risk. METHODS Among 76 gastric cancer cases and their 1:4 matched controls within the Korean Multi-center Cancer Cohort, a total of 30 SNPs in five genes involved in the ODC pathway were primarily analyzed. The second-stage genotyping in 388 matched case-control sets was conducted to reevaluate the significant SNPs interacting with phytoestrogens during the primary analysis. The summary odds ratios (ORs) [95 % confidence intervals (CIs)] for gastric cancer were estimated. Interaction effects between the SNPs and plasma concentrations of phytoestrogens (genistein, daidzein, equol, and enterolactone) were evaluated. RESULTS In the pooled analysis, NQO1 rs1800566 showed significant genetic effects on gastric cancer without heterogeneity [OR 0.83 (95 % CI 0.70-0.995)] and a greater decreased risk at high genistein/daidzein levels [OR 0.36 (95 % CI 0.15-0.90) and OR 0.26 (95 % CI 0.10-0.64), respectively; p interaction < 0.05]. Risk alleles of AMD1 rs1279599, AMD1 rs7768897, and OAZ2 rs7403751 had a significant gene-phytoestrogen (genistein and daidzein) interaction effect to modify the development of gastric cancer. They had an increased gastric cancer risk at low isoflavone levels, but a decreased risk at high isoflavone levels (p interaction < 0.01). CONCLUSIONS Our findings suggest that common variants in the genes involved in the ODC pathway may contribute to the risk of gastric cancer possibly by modulating ODC polyamine biosynthesis or by interaction between isoflavones and NQO1, OAZ2, and AMD1.
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Affiliation(s)
- Lisa Y Cho
- Department of Preventive Medicine, Seoul National University College of Medicine, 103 Daehakno, Jongno-Gu, Seoul, 110-799, Republic of Korea,
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Abstract
Isoflavones are phytoestrogens and natural plant compounds which are similar to 17-β-estradiol in chemical structure. It is known that they can act as estrogen agonists or antagonists, depending on endocrine estrogenic levels, but actions of isoflavones are rather complex due to large number of variables such as chemical structures and mechanisms. Some hypotheses on biological mechanisms have not satisfactorily been confirmed to date and human epidemiological and experimental studies have been relatively limited. Nevertheless, isoflavones and isoflavone rich foods have become a focus on interest due to positive health benefits on many diseases, especially prevention of hormone-related cancers, cardiovascular disease, osteoporosis, and adverse postmenopausal symptoms, and improvement of physiological condition such as maintaining cognitive function. This review provides an overview of chemistry, analytical techniques (focused on human biospecimens), functions including biological mechanisms, and effects of isoflavones, on the basis of the available meta-analysis and review articles and some original articles, on health and cancer.
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Affiliation(s)
- Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University Graduate School of Medicine, Incheon, Korea E-mail :
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Ko KP, Kim CS, Ahn Y, Park SJ, Kim YJ, Park JK, Lim YK, Yoo KY, Kim SS. Plasma isoflavone concentration is associated with decreased risk of type 2 diabetes in Korean women but not men: results from the Korean Genome and Epidemiology Study. Diabetologia 2015; 58:726-35. [PMID: 25533387 DOI: 10.1007/s00125-014-3463-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 11/05/2014] [Indexed: 01/03/2023]
Abstract
AIMS/HYPOTHESIS To examine the association between soybean products and risk of type 2 diabetes, we measured four isoflavone biological markers--genistein, daidzein, glycitein and equol--in a nested case-control study. METHODS The study population was composed of 693 cases (316 women and 377 men) and 698 matched controls (317 women and 381 men) within the Korean Genome and Epidemiology Study. The concentrations of isoflavone biomarkers were measured using HPLC-MS/MS on plasma samples that were collected at baseline. A stratified analysis was undertaken to examine the association between plasma isoflavone concentrations and risk of type 2 diabetes according to sex and equol production. Logistic regression models were used to compute ORs and 95% CIs adjusted for confounders. RESULTS In women, compared with the lowest quartile of plasma concentration of genistein, the highest quartile exhibited a significantly decreased risk of diabetes (OR 0.58, 95% CI 0.35, 0.95). When stratified by equol-producing status in women, the OR for diabetes in the highest vs the lowest quartile of genistein concentration was 0.31 (95% CI 0.16, 0.60) in equol producers, but genistein concentration was not associated with risk of diabetes in equol non-producers (p for interaction = 0.013). In men, isoflavone concentrations were not associated with risk of diabetes, regardless of equol-producing status. CONCLUSIONS/INTERPRETATION High plasma concentrations of genistein were associated with a decreased risk of type 2 diabetes in women. This inverse association was prominent in equol-producing participants. These results suggest a beneficial effect of a high intake of soybean products on risk of type 2 diabetes in women.
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Affiliation(s)
- Kwang-Pil Ko
- Department of Preventive Medicine, Gachon University, Incheon, Korea
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Kang SG, Lee BH, Lee JS, Chai YG, Ko KP, Lee HJ, Han DMR, Ji H, Jang GH, Shin HE. DRD3 gene rs6280 polymorphism may be associated with alcohol dependence overall and with Lesch type I alcohol dependence in Koreans. Neuropsychobiology 2015; 69:140-6. [PMID: 24776816 DOI: 10.1159/000358062] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Accepted: 12/16/2013] [Indexed: 11/19/2022]
Abstract
BACKGROUND Several polymorphisms of the dopamine D3 receptor (DRD3) gene are reported to be involved in the susceptibility to alcoholism. Although the DRD3 rs6280 (Ser9Gly) polymorphism plays an important role in various psychiatric disorders, findings regarding the association between this single-nucleotide polymorphism (SNP) and alcohol dependence (AD) have been inconsistent. Therefore, the present study investigated the association between the DRD3 gene rs6280 polymorphism with AD and Lesch type I AD in Korean subjects. METHODS The DRD3 rs6280 SNP was genotyped in a case-control sample comprising 245 AD patients and 130 healthy controls (HCs). Alcohol Use Disorders Identification Test (AUDIT) scores were also compared relative to genotype in all of the participants. RESULTS This SNP was significantly associated with both AD overall (χ(2) = 10.09 and p = 0.001, and χ(2) = 10.60 and p = 0.005, for the recessive and additive models, respectively) and with Lesch type I AD (χ(2) = 11.70 and p = 0.001, and χ(2) = 11.70 and p = 0.003, for the recessive and additive models, respectively). The allele frequency differed significantly (χ(2) = 8.45, p = 0.004) between Lesch type I AD and HC subjects. The AUDIT total (F = 6.56, p = 0.011), hazardous alcohol use (F = 7.12, p = 0.008), dependence symptoms (F = 5.10, p = 0.025), and harmful alcohol use (F = 4.83, p = 0.029) scores were significantly higher in those who did not possess the S allele (genotype GG) than in those who did (genotypes SS ± SG). CONCLUSIONS The findings of this study suggest that the DRD3 rs6280 polymorphism is associated with the development of both AD overall and Lesch type I AD in Koreans.
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Affiliation(s)
- Seung-Gul Kang
- Department of Psychiatry, Gil Medical Center, School of Medicine, Gachon University, Incheon, Republic of Korea
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Yeo Y, Gwack J, Kang S, Koo B, Jung SJ, Dhamala P, Ko KP, Lim YK, Yoo KY. Viral hepatitis and liver cancer in Korea: an epidemiological perspective. Asian Pac J Cancer Prev 2015; 14:6227-31. [PMID: 24377509 DOI: 10.7314/apjcp.2013.14.11.6227] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
In the past, hepatitis B virus (HBV) infection was endemic in the general Korean population. The association of HBV infection with the occurrence of liver cancer has been well demonstrated in several epidemiologic studies. While the mortality rates of liver cancer in Korea have decreased steadily over the last decade, the presence of hepatitis B surface antigen (HBsAg) in mothers remains high at 3-4%, and 25.5% of these HBsAg positive mothers are positive for hepatitis B e antigen (HBeAg). HBV infection caused almost a quarter of hepatocellular carcinoma (HCC) cases and one-third of deaths from HCC. These aspects of HBV infection prompted the Korean government to create a vaccination program against HBV in the early 1980s. In 1995, the Communicable Disease Prevention Act (CDPA) was reformed, and the government increased the number of HBV vaccines in the National Immunization Program (NIP), driving the vaccination rate up to 95%. In 2000, the National Health Insurance Act (NHIA) was enacted, which provided increased resources for the prevention of perinatal HBV infection. Then in 2002, the Korean government, in conjunction with the Korean Medical Association (KMA), launched an HBV perinatal transmission prevention program. The prevalence of HBsAg in children had been high (4-5%) in the early 1980s, but had dropped to below 1% in 1995, and finally reached 0.2% in 2006 after the NIP had been implemented. After the success of the NIP, Korea finally obtained its first certification of achievement from the Western Pacific Regional Office of the World Health Organization (WPRO-WHO) for reaching its goal for HBV control. An age-period-cohort analysis showed a significant reduction in the liver cancer mortality rate in children and adolescents after the NIP had been implemented. In addition to its vaccination efforts, Korea launched the National Cancer Screening Program (NCSP) for 5 leading sites of cancer, including the liver, in 1999. As a consequence of this program, the 5-year liver cancer survival rate increased from 13.2% (1996-2000) to 23.3% (2003-2008). The development of both the primary and secondary prevention for liver cancer including HBV immunization and cancer screening has been of critical importance.
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Affiliation(s)
- Yohwan Yeo
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea E-mail :
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