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Volume 6(5); October 2015
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Editorial
Norovirus outbreaks occurred in different settings in the Republic of Korea
Hae-Wol Cho, Chaeshin Chu
Osong Public Health Res Perspect. 2015;6(5):281-282.   Published online October 31, 2015
DOI: https://doi.org/10.1016/j.phrp.2015.11.001
  • 1,955 View
  • 16 Download
  • 4 Citations
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  • Molecular Epidemiological Characteristics of Gastroenteritis Outbreaks Caused by Norovirus GII.4 Sydney [P31] Strains — China, October 2016–December 2020
    Xi Zhu, Yaqing He, Xingyan Wei, Xiangyu Kong, Qing Zhang, Jingxin Li, Miao Jin, Zhaojun Duan
    China CDC Weekly.2021; 3(53): 1127.     CrossRef
  • Norovirus Outbreak Surveillance, China, 2016–2018
    Miao Jin, Shuyu Wu, Xiangyu Kong, Huaping Xie, Jianguang Fu, Yaqing He, Weihong Feng, Na Liu, Jingxin Li, Jeanette J. Rainey, Aron J. Hall, Jan Vinjé, Zhaojun Duan
    Emerging Infectious Diseases.2020; 26(3): 437.     CrossRef
  • An increasing prevalence of non-GII.4 norovirus genotypes in acute gastroenteritis outbreaks in Huzhou, China, 2014-2018
    Liping Chen, Deshun Xu, Xiaofang Wu, Guangtao Liu, Lei Ji
    Archives of Virology.2020; 165(5): 1121.     CrossRef
  • Genotypic and Epidemiological Trends of Acute Gastroenteritis Associated with Noroviruses in China from 2006 to 2016
    Shu-Wen Qin, Ta-Chien Chan, Jian Cai, Na Zhao, Zi-Ping Miao, Yi-Juan Chen, She-Lan Liu
    International Journal of Environmental Research an.2017; 14(11): 1341.     CrossRef
Original Articles
Exposure of Infants to Aflatoxin M1 from Mother's Breast Milk in Ilam, Western Iran
Farajollah Maleki, Soghra Abdi, Elaham Davodian, Karimeh Haghani, Salar Bakhtiyari
Osong Public Health Res Perspect. 2015;6(5):283-287.   Published online October 31, 2015
DOI: https://doi.org/10.1016/j.phrp.2015.10.001
  • 1,998 View
  • 17 Download
  • 28 Citations
AbstractAbstract PDF
Objectives
Aflatoxins as a highly toxic group of mycotoxins are present in the environment and foodstuff. These have been reported to cause serious health problems in humans. Since aflatoxin M1 (AFM1) is excreted into breast milk, investigating the exposure of infants to AFM1 is of special concern.
Methods
In the present study, breast milk samples were collected from 85 lactating mothers in Ilam province, Iran, and the levels of AFM1 were analyzed using the enzyme-linked immunosorbent assay-based technique. AFM1 was detected in breast milk of all lactating women. The mean contamination level was 5.91 ± 2.031 ng/L, ranging from 2 ng/L to 10 ng/L.
Results
Multiple regression analysis indicated no significant associations of consumption of milk and dairy products, meat, fish, legumes, grain products, fruits, and nuts with the concentration of AFM1 in breast milk. Furthermore, no significant association was observed between AFM1 concentration and anthropometric data of infants.
Conclusion
In western parts of Iran, lactating mothers and their infants could be at risk of aflatoxin B1 and AFM1 exposure, respectively. Therefore, in Iran, the evaluation of AFM1 in human breast milk as a biomarker for postnatal exposure of infants to this carcinogen requires more attention in different regions and various seasons.

Citations

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  • Does Bentonite Cause Cytotoxic and Whole-Transcriptomic Adverse Effects in Enterocytes When Used to Reduce Aflatoxin B1 Exposure?
    Greta Mucignat, Irene Bassan, Mery Giantin, Marianna Pauletto, Anisa Bardhi, Silvia Iori, Rosa Maria Lopparelli, Andrea Barbarossa, Anna Zaghini, Enrico Novelli, Mauro Dacasto
    Toxins.2022; 14(7): 435.     CrossRef
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    Elif Ganime Aygün, Gamze Tümentemur
    Journal of the Turkish-German Gynecological Associ.2022; 23(3): 154.     CrossRef
  • Effects of aflatoxin B1 on human breast cancer (MCF-7) cells: cytotoxicity, oxidative damage, metabolic, and immune-modulatory transcriptomic changes
    Ahmed Aljazzar, Waleed Rizk El-Ghareeb, Wageh Sobhy Darwish, Sherief M. Abdel-Raheem, Abdelazim M. Ibrahim, Eman E. Hegazy, Esraa A. Mohamed
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  • miR-155 influences cell-mediated immunity in Balb/c mice treated with aflatoxin M1
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  • Biological Control and Mitigation of Aflatoxin Contamination in Commodities
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    Toxins.2021; 13(2): 104.     CrossRef
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    Archives of Environmental & Occupational Health.2021; 76(6): 313.     CrossRef
  • Physical and Chemical Methods for Reduction in Aflatoxin Content of Feed and Food
    Péter Sipos, Ferenc Peles, Dóra Lili Brassó, Béla Béri, Tünde Pusztahelyi, István Pócsi, Zoltán Győri
    Toxins.2021; 13(3): 204.     CrossRef
  • Biocontrol of Aflatoxins Using Non-Aflatoxigenic Aspergillus flavus: A Literature Review
    Rahim Khan, Farinazleen Mohamad Ghazali, Nor Ainy Mahyudin, Nik Iskandar Putra Samsudin
    Journal of Fungi.2021; 7(5): 381.     CrossRef
  • Aflatoxin Biosynthesis, Genetic Regulation, Toxicity, and Control Strategies: A Review
    Rahim Khan, Farinazleen Mohamad Ghazali, Nor Ainy Mahyudin, Nik Iskandar Putra Samsudin
    Journal of Fungi.2021; 7(8): 606.     CrossRef
  • Aflatoxin M1 contamination level in Iranian milk and dairy products: a systematic review and meta-analysis
    S. Hamzeh Pour, S. Mahmoudi, S. Masoumi, S. Rezaie, A. Barac, M. Ranjbaran, S. Oliya, F. Mehravar, E. Sasani, F. Noorbakhsh, S. Khodavaisy
    World Mycotoxin Journal.2020; 13(1): 67.     CrossRef
  • Levels of Aflatoxin M1 and selected heavy metals (Pb, Cd, Cr, Cu, Zn, Fe, As, and Hg) in the breast milk of lactating mothers in South Eastern, Nigeria
    Chidinma Lynda Ekeanyanwu, Chinwe Sylvanus Alisi, Raphael Chukwuma Ekeanyanwu
    Food Control.2020; 112: 107150.     CrossRef
  • Dietary mycotoxins exposure and child growth, immune system, morbidity, and mortality: a systematic literature review
    Kokeb Tesfamariam, Marthe De Boevre, Patrick Kolsteren, Tefera Belachew, Addisalem Mesfin, Sarah De Saeger, Carl Lachat
    Critical Reviews in Food Science and Nutrition.2020; 60(19): 3321.     CrossRef
  • Occurrence of and Factors Associated With the Presence of Aflatoxin M1 in Breast Milk of Mothers in Fethiye, Turkey
    Gonca Karayağiz Muslu, Mehmet Özdemir
    Biological Research For Nursing.2020; 22(3): 362.     CrossRef
  • Aflatoxin exposure among lactating women in southern Ethiopia
    Bergene Boshe, Samson Gebremedhin, Fikadu Alemayehu, Mesfin Eshete, Mestawet Taye, Barbara J. Stoecker
    Food Science & Nutrition.2020; 8(12): 6738.     CrossRef
  • An assessment of the occurrence and nutritional factors associated with aflatoxin M1, ochratoxin A, and zearalenone in the breast milk of nursing mothers in Hamadan, Iran
    Fateme Samiee, Ava Kharazi, Jomana Elaridi, Masoumeh Taravati Javad, Mostafa Leili
    Toxicon.2020; 187: 209.     CrossRef
  • Aflatoxin, fumonisin, ochratoxin, zearalenone and deoxynivalenol biomarkers in human biological fluids: A systematic literature review, 2001–2018
    Belqes Ahmad Al-Jaal, Morana Jaganjac, Andrei Barcaru, Peter Horvatovich, Aishah Latiff
    Food and Chemical Toxicology.2019; 129: 211.     CrossRef
  • Concentration and Prevalence of Aflatoxin M1 in Human Breast Milk in Iran: Systematic Review, Meta-Analysis, and Carcinogenic Risk Assessment: A Review
    YADOLAH FAKHRI, RAHEB GHORBANI, MAHMOUD TAGHAVI, HASSAN KERAMATI, NAZAK AMANIDAZ, BIGARD MORADI, SIMIN HAGH NAZARI, NABI SHARIATIFAR, AMIN MOUSAVI KHANEGHAH
    Journal of Food Protection.2019; 82(5): 785.     CrossRef
  • Aflatoxin M1 in human breast milk: A global systematic review, meta-analysis, and risk assessment study (Monte Carlo simulation)
    Yadolah Fakhri, Jamal Rahmani, Carlos Augusto Fernandes Oliveira, Larissa Tuanny Franco, Carlos Humberto Corassin, Sumbal Saba, Jamal Rafique, Amin Mousavi Khaneghah
    Trends in Food Science & Technology.2019; 88: 333.     CrossRef
  • The occurrence of mycotoxins in breast milk, fruit products and cereal-based infant formula: A review
    Carolina Fernanda Sengling Cebin Coppa, Amin Mousavi Khaneghah, Paula Alvito, Ricardo Assunção, Carla Martins, Ismail Eş, Bruna Leonel Gonçalves, Diane Valganon de Neeff, Anderson S. Sant'Ana, Carlos Humberto Corassin, Carlos Augusto Fernandes Oliveira
    Trends in Food Science & Technology.2019; 92: 81.     CrossRef
  • Exposure assessment of Portuguese infants to Aflatoxin M1 in breast milk and maternal social-demographical and food consumption determinants
    Fernando Bogalho, Sofia Duarte, Maria Cardoso, Anabela Almeida, Ricardo Cabeças, Celeste Lino, Angelina Pena
    Food Control.2018; 90: 140.     CrossRef
  • Occurrence and dietary factors associated with the presence of aflatoxin B1 and M1 in breast milk of nursing mothers in Iran
    Manizheh Azarikia, Reza Mahdavi, Leila Nikniaz
    Food Control.2018; 86: 207.     CrossRef
  • Concentration of Aflatoxin M 1 and selected heavy metals in mother milk samples from Pakistan
    Sarah Khan, Amir Ismail, Yun Yun Gong, Saeed Akhtar, Majid Hussain
    Food Control.2018; 91: 344.     CrossRef
  • Immunotoxicity of aflatoxin M1: as a potent suppressor of innate and acquired immune systems in a subacute study
    Kobra Shirani, Bamdad R Zanjani, Mahmoud Mahmoudi, Amir H Jafarian, Faezeh V Hassani, John P Giesy, Gholamreza Karimi
    Journal of the Science of Food and Agriculture.2018; 98(15): 5884.     CrossRef
  • Natural occurrence of aflatoxin M 1 in fresh cow milk and human milk in Penang, Malaysia
    Nor Shifa Shuib, Ahmad Makahleh, Salizawati Muhamad Salhimi, Bahruddin Saad
    Food Control.2017; 73: 966.     CrossRef
  • Aflatoxin M1in human breast milk in Shahrekord, Iran and association with dietary factors
    Tina Jafari, Aziz A. Fallah, Soleiman Kheiri, Abdolmajid Fadaei, Sayed Asadollah Amini
    Food Additives & Contaminants: Part B.2017; 10(2): 128.     CrossRef
  • Biomonitoring of Mycotoxins in Human Breast Milk: Current State and Future Perspectives
    Benedikt Warth, Dominik Braun, Chibundu N. Ezekiel, Paul C. Turner, Gisela H. Degen, Doris Marko
    Chemical Research in Toxicology.2016; 29(7): 1087.     CrossRef
Modeling Chagas Disease at Population Level to Explain Venezuela's Real Data
Gilberto González-Parra, Benito M. Chen-Charpentier, Moises Bermúdez
Osong Public Health Res Perspect. 2015;6(5):288-301.   Published online October 31, 2015
DOI: https://doi.org/10.1016/j.phrp.2015.09.001
  • 1,755 View
  • 15 Download
  • 2 Citations
AbstractAbstract PDF
Objectives
In this paper we present an age-structured epidemiological model for Chagas disease. This model includes the interactions between human and vector populations that transmit Chagas disease.
Methods
The human population is divided into age groups since the proportion of infected individuals in this population changes with age as shown by real prevalence data. Moreover, the age-structured model allows more accurate information regarding the prevalence, which can help to design more specific control programs. We apply this proposed model to data from the country of Venezuela for two periods, 1961–1971, and 1961–1991 taking into account real demographic data for these periods.
Results
Numerical computer simulations are presented to show the suitability of the age-structured model to explain the real data regarding prevalence of Chagas disease in each of the age groups. In addition, a numerical simulation varying the death rate of the vector is done to illustrate prevention and control strategies against Chagas disease.
Conclusion
The proposed model can be used to determine the effect of control strategies in different age groups.

Citations

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  • Mathematical modeling and numerical simulations of Zika in Colombia considering mutation
    Diego F. Aranda L., Gilberto González-Parra, Tommaso Benincasa
    Mathematics and Computers in Simulation.2019; 163: 1.     CrossRef
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    Mauricio Canals, Dante Cáceres, Sergio Alvarado, Andrea Canals, Pedro E. Cattan
    Biosystems.2017; 156-157: 63.     CrossRef
The Determinants of Research and Development Investment in the Pharmaceutical Industry: Focus on Financial Structures
Munjae Lee, Mankyu Choi
Osong Public Health Res Perspect. 2015;6(5):302-309.   Published online October 31, 2015
DOI: https://doi.org/10.1016/j.phrp.2015.10.013
  • 1,890 View
  • 14 Download
  • 17 Citations
AbstractAbstract PDF
Objectives
This study analyzes the influence of the financial structure of pharmaceutical companies on R&D investment to create a next-generation profit source or develop relatively cost-effective drugs to maximize enterprise value.
Methods
The period of the empirical analysis is from 2000 to 2012. Financial statements and comments in general and internal transactions were extracted from TS-2000 of the Korea Listed Company Association (KLCA), and data related to stock price is extracted from KISVALUE-Ⅲ of NICE Information Service Co., Ltd. Stata 12.0 was used as the statistical package for panel analysis.
Results
The current ratio had a positive influence on R&D investment, the debt ratio had a negative influence on R&D investment, and return on investment and net sales growth rate did not have a significant influence on R&D investment.
Conclusion
It was found in this study that the higher liquidity ratio, the greater the R&D investment. The stability of pharmaceutical companies has a negative influence on R&D investment. This finding is consistent with the prediction that if a company faces a financial risk, it will be passive in R&D investment due to its financial difficulties.

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    Zheng Gong, Nannan Wang
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    Muluken Nigatu Selam, Samuel Abera, Helen Geremew, Eskinder Eshetu Ali
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    Jingyuan Yang, Ling Wang, Ziyuan Sun, Fangming Zhu, Yihui Guo, Yan Shen
    International Journal of Environmental Research an.2021; 18(21): 11560.     CrossRef
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  • MALİYET YAPIŞKANLIĞININ YENİDEN GÖZDEN GEÇİRİLMESİ: BORSA İSTANBUL İMALAT SANAYİ ÖRNEĞİ
    Mehmet Emin KARABAYIR
    Muhasebe ve Vergi Uygulamaları Dergisi.2019; : 317.     CrossRef
  • Bioaugmentation effect of Aeromonas hydrophila and Pseudomonas putida on kinetics of activated sludge process in treating pharmaceutical industrial wastewater
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    Nasif Ozkan
    Management Review Quarterly.2018; 68(4): 399.     CrossRef
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    Shilpi Tyagi, D. K. Nauriyal, Rachita Gulati
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    Aparna Bhatia, Khushboo Aggarwal
    International Journal of Law and Management.2018; 60(5): 1058.     CrossRef
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    Jun-Hwan Park, Bangrae Lee, Yeong-Ho Moon, GyuSeok Kim, Lee-Nam Kwon
    Journal of Open Innovation: Technology, Market, an.2018;[Epub]     CrossRef
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    Leonardo Andrade Rocha, Ahmad Saeed Khan, Patrícia Verônica Pinheiro Sales Lima, Maria Ester Soares Dal Poz, Carlos Alano Soares de Almeida
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Financial Analysis of National University Hospitals in Korea
Munjae Lee
Osong Public Health Res Perspect. 2015;6(5):310-317.   Published online October 31, 2015
DOI: https://doi.org/10.1016/j.phrp.2015.10.007
  • 1,903 View
  • 19 Download
  • 10 Citations
AbstractAbstract PDF
Objectives
This paper provides information for decision making of the managers and the staff of national university hospitals.
Methods
In order to conduct a financial analysis of national university hospitals, this study uses reports on the final accounts of 10 university hospitals from 2008 to 2011.
Results
The results of comparing 2008 and 2011 showed that there was a general decrease in total assets, an increase in liabilities, and a decrease in total medical revenues, with a continuous deficit in many hospitals. Moreover, as national university hospitals have low debt dependence, their management conditions generally seem satisfactory. However, some individual hospitals suffer severe financial difficulties and thus depend on short-term debts, which generally aggravate the profit and loss structure. Various indicators show that the financial state and business performance of national university hospitals have been deteriorating.
Conclusion
These research findings will be used as important basic data for managers who make direct decisions in this uncertain business environment or by researchers who analyze the medical industry to enable informed decision-making and optimized execution. Furthermore, this study is expected to contribute to raising government awareness of the need to foster and support the national university hospital industry.

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Brief Reports
Epidemics of Norovirus GII.4 Variant in Outbreak Cases in Korea, 2004–2012
Sunyoung Jung, Hyun Ju Jeong, Bo-Mi Hwang, Cheon-Kwon Yoo, Gyung Tae Chung, Hyesook Jeong, Yeon-Ho Kang, Deog-Yong Lee
Osong Public Health Res Perspect. 2015;6(5):318-321.   Published online October 31, 2015
DOI: https://doi.org/10.1016/j.phrp.2015.10.002
  • 2,004 View
  • 19 Download
  • 1 Citations
AbstractAbstract PDF
Norovirus GII.4 is recognized as a worldwide cause of nonbacterial outbreaks. In particular, the GII.4 variant occurs every 2–3 years according to antigenic variation. The aim of our study was to identify GII.4 variants in outbreaks in Korea during 2004–2012. Partial VP1 sequence of norovirus GII.4-related outbreaks during 2004–2012 was analyzed. The partial VP1 sequence was detected with reverse transcription-polymerase chain reaction, seminested polymerase chain reaction, and nucleotide sequence of 312-314 base pairs for phylogenetic comparison. Nine variants emerged in outbreaks, with the Sydney variant showing predominance recently. This predominance may persist for at least 3 years, although new variants may appear in Korea.

Citations

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  • Genotypic and Epidemiological Trends of Acute Gastroenteritis Associated with Noroviruses in China from 2006 to 2016
    Shu-Wen Qin, Ta-Chien Chan, Jian Cai, Na Zhao, Zi-Ping Miao, Yi-Juan Chen, She-Lan Liu
    International Journal of Environmental Research an.2017; 14(11): 1341.     CrossRef
Occurrence of Norovirus GII.4 Sydney Variant-related Outbreaks in Korea
Sunyoung Jung, Bo-Mi Hwang, Hyun Ju Jeong, Gyung Tae Chung, Cheon-Kwon Yoo, Yeon-Ho Kang, Deog-Yong Lee
Osong Public Health Res Perspect. 2015;6(5):322-326.   Published online October 31, 2015
DOI: https://doi.org/10.1016/j.phrp.2015.10.004
  • 1,921 View
  • 17 Download
  • 8 Citations
AbstractAbstract PDF
Human noroviruses are major causative agents of food and waterborne outbreaks of nonbacterial acute gastroenteritis. In this study, we report the epidemiological features of three outbreak cases of norovirus in Korea, and we describe the clinical symptoms and distribution of the causative genotypes. The incidence rates of the three outbreaks were 16.24% (326/2,007), 4.1% (27/656), and 16.8% (36/214), respectively. The patients in these three outbreaks were affected by acute gastroenteritis. These schools were provided unheated food from the same manufacturing company. Two genotypes (GII.3 and GII.4) of the norovirus were detected in these cases. Among them, major causative strains of GII.4 (Hu-jeju-47-2007KR-like) were identified in patients, food handlers, and groundwater from the manufacturing company of the unheated food. In the GII.4 (Hu-jeju-47-2007KR-like) strain of the norovirus, the nucleotide sequences were identical and identified as the GII.4 Sydney variant. Our data suggests that the combined epidemiological and laboratory results were closely related, and the causative pathogen was the GII.4 Sydney variant strain from contaminated groundwater.

Citations

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  • A systematic review and meta-analysis indicates a substantial burden of human noroviruses in shellfish worldwide, with GII.4 and GII.2 being the predominant genotypes
    Yijing Li, Liang Xue, Junshan Gao, Weicheng Cai, Zilei Zhang, Luobing Meng, Shuidi Miao, Xiaojing Hong, Mingfang Xu, Qingping Wu, Jumei Zhang
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PHRP : Osong Public Health and Research Perspectives