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Artchayasawat A, Sriraj P, Boonmars T, Aukkanimart R, Wisetmora A, Borlace GN, Boueroy P, Pumhirunroj B, Laummaunwai P, Rattanasuwan P, Boonjaraspinyo S, Ekobol N, Pitaksakulrat O, Zhiliang W. Reduction of carcinogens in fermented fish (pla-ra and pla-som) by heating. Vet World 2023; 16:1727-1735. [PMID: 37766713 PMCID: PMC10521190 DOI: 10.14202/vetworld.2023.1727-1735] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 07/24/2023] [Indexed: 09/29/2023] Open
Abstract
Background and Aim The risk factors for cholangiocarcinoma (CCA) are opisthorchiasis and the intake of a combination of nitroso compounds through the consumption of traditionally fermented fish, which is very popular in areas where liver flukes are endemic. The incidence of CCA remains high because this cultural habit of rural people has been altered. Therefore, decreasing nitrate and nitrite concentrations in fermented fish are an alternative approach to reducing the risk of CCA. Thus, this study aimed to reduce nitrate and nitrite concentrations in fermented foods by heating and investigated its effect on CCA development in a hamster model. Materials and Methods We used Association of Official Analytical Chemists method 973.31 to measure the nitrate and nitrite concentrations in both fermented fish (pla-ra [PR]) and pickled fish (pla-som [PS]) before and after boiling for 5 and 30 min, respectively. The same samples were fed to Opisthorchis viverrini (OV)-infected or -uninfected hamsters for 3 months. Thereafter, the hamsters' liver and blood were collected for analysis. Results The levels of nitrates and nitrites in PS and PR significantly decreased following boiling for 5 and 30 min. The OV-PR and OV-PS groups showed dramatically increased numbers of inflammatory cells, fibrosis surrounding the bile duct, and focal fibrotic areas. However, after boiling the fermented dishes for 5 and 30 min, the extent of inflammatory cell infiltration and intensity of fibrosis in these groups were decreased. Conclusion Our findings suggest that boiling reduces nitrate and nitrite toxicity in fermented dishes, as evidenced by reduced hepatic inflammation. However, regardless of heating, kidney tissues are adversely affected when fermented meals are consumed daily.
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Affiliation(s)
- Atchara Artchayasawat
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Pranee Sriraj
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, 40002, Thailand
- Department of Traditional Medicine, Faculty of Natural Resources, Rajamangala University of Technology ISAN Sakon Nakhon Campus, Sakon Nakhon, 47160, Thailand
| | - Thidarut Boonmars
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Ratchadawan Aukkanimart
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, 40002, Thailand
- Department of Traditional Medicine, Faculty of Natural Resources, Rajamangala University of Technology ISAN Sakon Nakhon Campus, Sakon Nakhon, 47160, Thailand
| | - Ampas Wisetmora
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Glenn N. Borlace
- Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Parichart Boueroy
- Department of Community Health, Faculty of Public Health, Kasetsart University Chalermphakiat Sakon Nakhon Province Campus, Sakon Nakhon, 47000, Thailand
| | - Benjamabhorn Pumhirunroj
- Program in Animal Science, Faculty of Agricultural Technology, Sakon Nakhon Rajabhat University, Sakon Nakhon, 47000, Thailand
| | - Porntip Laummaunwai
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Panaratana Rattanasuwan
- Department of Anesthesiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Sirintip Boonjaraspinyo
- Department of Community Medicine, Family Medicine and Occupational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Nattapon Ekobol
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Opal Pitaksakulrat
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, 40002, Thailand
| | - Wu Zhiliang
- Department of Parasitology and Infectious Disease, Graduate School of Medicine, Gifu University, Japan
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Boueroy P, Duenngai K, Eamudomkarn C, Sripan P, Boonmars T, Pumhirunroj B, Artchayasawat A, Songsri J, Chomphumee K, Rattanasuwan P, Laummaunwai P, Khueangchiangkhwang S, Boonjaraspinyo S. Effect of Temperature on the Killing of Opisthorchis viverrini Eggs In Vitro. Korean J Parasitol 2019; 57:49-53. [PMID: 30840800 PMCID: PMC6409225 DOI: 10.3347/kjp.2019.57.1.49] [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] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Accepted: 01/13/2019] [Indexed: 11/25/2022]
Abstract
Contaminated liver fluke egg in the environment has led to the high prevalence of human opisthorchiasis associated with cholangiocarcinoma in Southeast Asia. To find the effective lessening methods of Opisthorchis viverrini eggs in the contaminated environment, we investigated the temperature conditions for killing of these trematode eggs in vitro. Numerous O. viverrini eggs were obtained in the proximal part of uteri of adult worms from experimental hamsters. Mature eggs with miracidium were allocated by experimental groups (2 control: positive and negative and 4 treatment: 50, 60, 70, and 80°C) with 0.85% saline, and treated by the experimental plan. Eggs in each experimental groups were observed under the confocal microscope after stain with Propidium Iodide (PI) to evaluate the effect of temperatures. Eggs in 70 and 80°C groups were all killed after over 10 min heated. Majority of eggs in 60°C (10, 15, and 30 min heated), 70 and 80°C (5 min heated) groups were inactivated. However in 50°C group, below half of eggs were to be killed in all time lapse (10, 15 and 30 min). In order to prevent O. viverrini infection and cholangiocarcinoma, direct treatment of sewage by heating at 70 or 80°C at least 10 min is essential. Therefore, treatment of O. viverrini eggs at a high temperature is a potential method for controlling egg contamination in sewage.
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Affiliation(s)
- Parichart Boueroy
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Neglected, zoonosis, and vector-borne disease group, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Liver Fluke and Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Kunyarat Duenngai
- Liver Fluke and Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand.,Department of Public Health, Faculty of Science and Technology, Phetchabun Rajabhat University, Phetchabun 67000, Thailand
| | - Chatanun Eamudomkarn
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Panupan Sripan
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Neglected, zoonosis, and vector-borne disease group, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Liver Fluke and Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Thidarut Boonmars
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Neglected, zoonosis, and vector-borne disease group, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Liver Fluke and Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Benjamabhorn Pumhirunroj
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Neglected, zoonosis, and vector-borne disease group, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Liver Fluke and Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Atchara Artchayasawat
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Neglected, zoonosis, and vector-borne disease group, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Jiraporn Songsri
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Neglected, zoonosis, and vector-borne disease group, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Liver Fluke and Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Kanpicha Chomphumee
- Liver Fluke and Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Panaratana Rattanasuwan
- Department of Anesthesiology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Porntip Laummaunwai
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Neglected, zoonosis, and vector-borne disease group, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sukhonthip Khueangchiangkhwang
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Neglected, zoonosis, and vector-borne disease group, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Liver Fluke and Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sirintip Boonjaraspinyo
- Department of Community Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
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Sripan P, Boonmars T, Songsri J, Aukkanimart R, Sriraj P, Rattanasuwan P, Boueroy P, Suwannatrai A, Aunpromma S, Khuntikeo N, Loilome W, Namwat N, Yongvanit P, PhyoWai A, Khueangchaingkhwang S, Zhilang W, Pumhirunroj B, Artchayasawat A, Boonjaraspinyo S. Simplified Techniques for Killing the Carcinogenic, Opisthorchis Viverrini Metacercariae in Cyprinid Fish. Asian Pac J Cancer Prev 2017; 18:1507-1511. [PMID: 28669159 PMCID: PMC6373821 DOI: 10.22034/apjcp.2017.18.6.1507] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Consumption of fluke-free fish is the most important factor in controlling Opisthorchis viverrini (OV) infection in endemic areas such as northeast Thailand and thereby reducing the risk of cholangiocarcinoma. Cooking fish is the best way to avoid infection; however, the cultural practice of eating raw or fermented fish is difficult to change. We investigated the food preparation process, using freezing, heating and fermentation to kill OV metacercariae in fish. Uncooked cyprinid fish infected with OV were divided into three groups: refrigerated at 4 °C for 24, 48 or 72 h (control group); frozen at -20 °C for 24, 48 or 72 h; or heated by microwaving (at 400 or 800 W) or boiling at 90 °C for 1, 5 or 10 min. Moreover, pickled (fermented) fish were divided into two groups: refrigerated at 4 °C (control) or frozen at -20 °C for 24 or 48 h. The infectivity of recovered metacercariae was confirmed by infecting hamsters with OV and then evaluating the recovery of adult worms after 1 month. We found that a heating process, by boiling or microwaving at 400 or 800 W for at least 5 min, could kill OV metacercariae, and freezing pickled fish at -20 °C for 48 h could kill OV metacercariae in all sizes of fish. The present study found that heating and freezing processes, as well as the fermentation process under optimal conditions, could kill OV metacercariae in a timely manner. This knowledge is valuable for implementation in endemic areas to control OV infection and cholangiocarcinoma.
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Affiliation(s)
- Panupan Sripan
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,Neglected, Zoonosis and Vector-Borne Disease Group, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.,3 Liver Fluke and Cholangiocarcinoma Research Center, Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Khon Kaen 40002, Thailand.
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Aukkanimart R, Boonmars T, Juasook A, Sriraj P, Boonjaraspinyo S, Wu Z, Laummuanwai P, Pairojkul C, Khuntikeo N, Rattanasuwan P. Altered Expression of Oxidative Metabolism Related Genes in Cholangiocarcinomas. Asian Pac J Cancer Prev 2015; 16:5875-81. [PMID: 26320466 DOI: 10.7314/apjcp.2015.16.14.5875] [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
Cholangiocarcinoma (CCA) is a rare but highly fatal cancer for which the molecular mechanisms and diagnostic markers are obscure. We therefore investigated the kinetic expression of isocitrate dehydrogenase-1 (IDH1), isocitrate dehydrogenase-2 (IDH2) and homogentisate 1,2-dioxygenase (HGD) during the tumorigenesis of O. viverrini infection-associated CCA in an animal model, and confirmed down-regulation of expression in human cases of opisthorchiasis-associated CCA through real time PCR. Kinetic expression of HGD, IDH1 and IDH2 in the animal model of O. viverrini infection-induced CCA was correlated with human CCA cases. In the animal model, expression of HGD was decreased at all time points (p<0.01) and expression of both IDH1 and IDH2 was decreased in the CCA group. In human cases, expression of HGD, IDH1 and IDH2 was decreased more than 2 fold in 55 cases (70.5%), 25 cases (32.1%) and 24 cases (30.8%) respectively. The present study suggests that reduction of HGD, IDH1 and IDH2 may be involve in cholangiocarcinoma genesis and may be useful for molecular diagnosis.
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Affiliation(s)
- Ratchadawan Aukkanimart
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand E-mail : ;
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