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Article ; Online: Why does SARS-CoV-2 survive longer on plastic than on paper?

Corpet, Denis E

2020 Volume 146, Page(s) 110429

Abstract: The Covid-19 coronavirus, SARS-CoV-2, is inactivated much faster on paper (3 h) than on plastic (7 d). By classifying materials according to virus stability on their surface, the following list is obtained (from long to short stability): polypropylene ( ... ...

Abstract	The Covid-19 coronavirus, SARS-CoV-2, is inactivated much faster on paper (3 h) than on plastic (7 d). By classifying materials according to virus stability on their surface, the following list is obtained (from long to short stability): polypropylene (mask), plastic, glass, stainless steel, pig skin, cardboard, banknote, cotton, wood, paper, tissue, copper. These observations and other studies suggest that SARS-CoV-2 may be inactivated by dryness on water absorbent porous materials but sheltered by long-persisting micro-droplets of water on waterproof surfaces. If such physical phenomenons were confirmed by direct evidence, the persistence of the virus on any surface could be predicted, and new porous objects could be designed to eliminate the virus faster.
MeSH term(s)	Adsorption ; Animals ; COVID-19/transmission ; COVID-19/virology ; Dehydration ; Fomites/virology ; Humans ; Humidity ; In Vitro Techniques ; Models, Biological ; Paper ; Plastics/chemistry ; Porosity ; SARS-CoV-2/isolation & purification ; SARS-CoV-2/pathogenicity ; SARS-CoV-2/physiology ; Surface Properties ; Swine ; Virus Inactivation ; Water
Chemical Substances	Plastics ; Water (059QF0KO0R)
Language	English
Publishing date	2020-11-28
Publishing country	United States
Document type	Journal Article
ZDB-ID	193145-3
ISSN	1532-2777 ; 0306-9877
ISSN (online)	1532-2777
ISSN	0306-9877
DOI	10.1016/j.mehy.2020.110429
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Article ; Online: Rotavirus Inhibitor and Recovery in Raw Bovine Milk.

Tache, Sylviane / Benkaddour, Mouhssine / Corpet, Denis E

Journal of food protection

2019 Volume 58, Issue 4, Page(s) 434–438

Abstract: Milk could be a vector for viruses contaminating the human gut, but detection of rotavirus in raw bovine milk is prevented by the presence of a very active antiviral substance. Rotavirus inhibition by various milk samples and the nature of the inhibitor ... ...

Abstract	Milk could be a vector for viruses contaminating the human gut, but detection of rotavirus in raw bovine milk is prevented by the presence of a very active antiviral substance. Rotavirus inhibition by various milk samples and the nature of the inhibitor were examined, and an improved method for rotavirus detection in raw bovine milk was designed. Most milk samples from cows near Toulouse, France, could inhibit 5 × 10
Language	English
Publishing date	2019-06-18
Publishing country	United States
Document type	Journal Article
ZDB-ID	243284-5
ISSN	1944-9097 ; 0362-028X
ISSN (online)	1944-9097
ISSN	0362-028X
DOI	10.4315/0362-028X-58.4.434
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Article ; Online: Red meat and colon cancer: should we become vegetarians, or can we make meat safer?

Corpet, Denis E

Meat science

2011 Volume 89, Issue 3, Page(s) 310–316

Abstract: The effect of meat consumption on cancer risk is a controversial issue. However, recent meta-analyses show that high consumers of cured meats and red meat are at increased risk of colorectal cancer. This increase is significant but modest (20-30%). ... ...

Abstract	The effect of meat consumption on cancer risk is a controversial issue. However, recent meta-analyses show that high consumers of cured meats and red meat are at increased risk of colorectal cancer. This increase is significant but modest (20-30%). Current WCRF-AICR recommendations are to eat no more than 500 g per week of red meat, and to avoid processed meat. Moreover, our studies show that beef meat and cured pork meat promote colon carcinogenesis in rats. The major promoter in meat is heme iron, via N-nitrosation or fat peroxidation. Dietary additives can suppress the toxic effects of heme iron. For instance, promotion of colon carcinogenesis in rats by cooked, nitrite-treated and oxidized high-heme cured meat was suppressed by dietary calcium and by α-tocopherol, and a study in volunteers supported these protective effects in humans. These additives, and others still under study, could provide an acceptable way to prevent colorectal cancer.
MeSH term(s)	Animals ; Calcium, Dietary/therapeutic use ; Cattle ; Colonic Neoplasms/etiology ; Colonic Neoplasms/prevention & control ; Diet ; Diet, Vegetarian ; Food Additives/therapeutic use ; Food Handling ; Humans ; Iron, Dietary/adverse effects ; Lipid Peroxidation ; Meat/adverse effects ; Meta-Analysis as Topic ; Nitrites ; Nitrosation ; Oxidation-Reduction ; Rats ; Swine ; alpha-Tocopherol/therapeutic use
Chemical Substances	Calcium, Dietary ; Food Additives ; Iron, Dietary ; Nitrites ; alpha-Tocopherol (H4N855PNZ1)
Language	English
Publishing date	2011-11
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Review
ZDB-ID	753319-6
ISSN	1873-4138 ; 0309-1740
ISSN (online)	1873-4138
ISSN	0309-1740
DOI	10.1016/j.meatsci.2011.04.009
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Article: Red meat and colon cancer: Should we become vegetarians, or can we make meat safer

Corpet, Denis E

Meat science. 2011 Nov., v. 89, no. 3

2011

Abstract	The effect of meat consumption on cancer risk is a controversial issue. However, recent meta-analyses show that high consumers of cured meats and red meat are at increased risk of colorectal cancer. This increase is significant but modest (20-30%). Current WCRF-AICR recommendations are to eat no more than 500g per week of red meat, and to avoid processed meat. Moreover, our studies show that beef meat and cured pork meat promote colon carcinogenesis in rats. The major promoter in meat is heme iron, via N-nitrosation or fat peroxidation. Dietary additives can suppress the toxic effects of heme iron. For instance, promotion of colon carcinogenesis in rats by cooked, nitrite-treated and oxidized high-heme cured meat was suppressed by dietary calcium and by α-tocopherol, and a study in volunteers supported these protective effects in humans. These additives, and others still under study, could provide an acceptable way to prevent colorectal cancer.
Keywords	additives ; beef ; calcium ; carcinogenesis ; colon ; colorectal neoplasms ; cured meats ; heme iron ; humans ; ingestion ; peroxidation ; protective effect ; rats ; red meat ; risk ; toxicity ; vegetarian diet ; volunteers
Language	English
Dates of publication	2011-11
Size	p. 310-316.
Publishing place	[Amsterdam]: Elsevier Science
Document type	Article
ZDB-ID	753319-6
ISSN	1873-4138 ; 0309-1740
ISSN (online)	1873-4138
ISSN	0309-1740
DOI	10.1016/j.meatsci.2011.04.009
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Epidemiological evidence for the association between red and processed meat intake and colorectal cancer.

Corpet, Denis E / De Smet, Stefaan / Demeyer, Daniel

Meat science

2014 Volume 98, Issue 2, Page(s) 115

MeSH term(s)	Animals ; Cattle ; Colorectal Neoplasms/epidemiology ; Humans ; Meat Products/adverse effects ; Nutrition Policy
Language	English
Publishing date	2014-10
Publishing country	England
Document type	Letter
ZDB-ID	753319-6
ISSN	1873-4138 ; 0309-1740
ISSN (online)	1873-4138
ISSN	0309-1740
DOI	10.1016/j.meatsci.2014.05.008
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Article ; Online: Heme iron from meat and risk of colorectal cancer: a meta-analysis and a review of the mechanisms involved.

Bastide, Nadia M / Pierre, Fabrice H F / Corpet, Denis E

Cancer prevention research (Philadelphia, Pa.)

2011 Volume 4, Issue 2, Page(s) 177–184

Abstract: Red meat and processed meat intake is associated with a risk of colorectal cancer, a major cause of death in affluent countries. Epidemiological and experimental evidence supports the hypothesis that heme iron present in meat promotes colorectal cancer. ... ...

Abstract	Red meat and processed meat intake is associated with a risk of colorectal cancer, a major cause of death in affluent countries. Epidemiological and experimental evidence supports the hypothesis that heme iron present in meat promotes colorectal cancer. This meta-analysis of prospective cohort studies of colon cancer reporting heme intake included 566,607 individuals and 4,734 cases of colon cancer. The relative risk of colon cancer was 1.18 (95% CI: 1.06-1.32) for subjects in the highest category of heme iron intake compared with those in the lowest category. Epidemiological data thus show a suggestive association between dietary heme and risk of colon cancer. The analysis of experimental studies in rats with chemically-induced colon cancer showed that dietary hemoglobin and red meat consistently promote aberrant crypt foci, a putative precancer lesion. The mechanism is not known, but heme iron has a catalytic effect on (i) the endogenous formation of carcinogenic N-nitroso compounds and (ii) the formation of cytotoxic and genotoxic aldehydes by lipoperoxidation. A review of evidence supporting these hypotheses suggests that both pathways are involved in heme iron toxicity.
MeSH term(s)	Animals ; Colorectal Neoplasms/etiology ; Heme/adverse effects ; Humans ; Iron, Dietary/adverse effects ; Meat Products/adverse effects ; Rats ; Review Literature as Topic
Chemical Substances	Iron, Dietary ; Heme (42VZT0U6YR)
Language	English
Publishing date	2011-02
Publishing country	United States
Document type	Journal Article ; Meta-Analysis
ZDB-ID	2434717-6
ISSN	1940-6215 ; 1940-6207
ISSN (online)	1940-6215
ISSN	1940-6207
DOI	10.1158/1940-6207.CAPR-10-0113
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Article: How good are rodent models of carcinogenesis in predicting efficacy in humans? A systematic review and meta-analysis of colon chemoprevention in rats, mice and men.

Corpet, Denis E / Pierre, Fabrice

European journal of cancer (Oxford, England : 1990)

2005 Volume 41, Issue 13, Page(s) 1911–1922

Abstract: Tumours in rodent and human colon share many histological and genetic features. To know if rodent models of colon carcinogenesis are good predictors of chemopreventive efficacy in humans, we conducted a meta-analysis of aspirin, beta-carotene, calcium, ... ...

Abstract	Tumours in rodent and human colon share many histological and genetic features. To know if rodent models of colon carcinogenesis are good predictors of chemopreventive efficacy in humans, we conducted a meta-analysis of aspirin, beta-carotene, calcium, and wheat bran studies. Controlled intervention studies of adenoma recurrence in human volunteers were compared with chemoprevention studies of carcinogen-induced tumours in rats, and of polyps in Min (Apc(+/-)) mice: 6714 volunteers, 3911 rats and 458 mice were included in the meta-analyses. Difference between models was small since most global relative risks were between 0.76 and 1.00. A closer look showed that carcinogen-induced rat studies matched human trials for aspirin, calcium, carotene, and were compatible for wheat bran. Min mice results were compatible with human results for aspirin, but discordant for calcium and wheat bran (no carotene study). These few results suggest that rodent models roughly predict effect in humans, but the prediction is not accurate for all agents. Based on three cases only, the carcinogen-induced rat model seems better than the Min mouse model. However, rodent studies are useful to screen potential chemopreventive agents, and to study mechanisms of carcinogenesis and chemoprevention.
MeSH term(s)	Animals ; Aspirin/therapeutic use ; Calcium/administration & dosage ; Carcinogens ; Colonic Neoplasms/chemically induced ; Colonic Neoplasms/diet therapy ; Colonic Neoplasms/prevention & control ; Dietary Fiber/administration & dosage ; Humans ; Mice ; Models, Animal ; Randomized Controlled Trials as Topic ; Rats ; Rodentia ; Sensitivity and Specificity ; beta Carotene/pharmacology
Chemical Substances	Carcinogens ; Dietary Fiber ; beta Carotene (01YAE03M7J) ; Aspirin (R16CO5Y76E) ; Calcium (SY7Q814VUP)
Language	English
Publishing date	2005-09
Publishing country	England
Document type	Journal Article ; Meta-Analysis ; Review
ZDB-ID	82061-1
ISSN	1879-0852 ; 0959-8049 ; 0277-5379 ; 0964-1947
ISSN (online)	1879-0852
ISSN	0959-8049 ; 0277-5379 ; 0964-1947
DOI	10.1016/j.ejca.2005.06.006
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Zs.MO 583: Show issues

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Article: Processed meat and colorectal cancer: a review of epidemiologic and experimental evidence.

Santarelli, Raphaëlle L / Pierre, Fabrice / Corpet, Denis E

Nutrition and cancer

2008 Volume 60, Issue 2, Page(s) 131–144

Abstract: Processed meat intake may be involved in the etiology of colorectal cancer, a major cause of death in affluent countries. The epidemiologic studies published to date conclude that the excess risk in the highest category of processed meat-eaters is ... ...

Abstract	Processed meat intake may be involved in the etiology of colorectal cancer, a major cause of death in affluent countries. The epidemiologic studies published to date conclude that the excess risk in the highest category of processed meat-eaters is comprised between 20% and 50% compared with non-eaters. In addition, the excess risk per gram of intake is clearly higher than that of fresh red meat. Several hypotheses, which are mainly based on studies carried out on red meat, may explain why processed meat intake is linked to cancer risk. Those that have been tested experimentally are (i) that high-fat diets could promote carcinogenesis via insulin resistance or fecal bile acids; (ii) that cooking meat at a high temperature forms carcinogenic heterocyclic amines and polycyclic aromatic hydrocarbons; (iii) that carcinogenic N-nitroso compounds are formed in meat and endogenously; (iv) that heme iron in red meat can promote carcinogenesis because it increases cell proliferation in the mucosa, through lipoperoxidation and/or cytotoxicity of fecal water. Nitrosation might increase the toxicity of heme in cured products. Solving this puzzle is a challenge that would permit to reduce cancer load by changing the processes rather than by banning processed meat.
MeSH term(s)	Amines/administration & dosage ; Amines/adverse effects ; Animals ; Carcinogens/administration & dosage ; Colorectal Neoplasms/epidemiology ; Colorectal Neoplasms/etiology ; Dietary Fats/administration & dosage ; Dietary Fats/adverse effects ; Dietary Proteins/administration & dosage ; Dietary Proteins/adverse effects ; Epidemiologic Studies ; Evidence-Based Medicine ; Feeding Behavior ; Humans ; Meat Products/adverse effects ; Nitroso Compounds/administration & dosage ; Nitroso Compounds/adverse effects ; Risk Factors
Chemical Substances	Amines ; Carcinogens ; Dietary Fats ; Dietary Proteins ; Nitroso Compounds
Language	English
Publishing date	2008-04-29
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	424433-3
ISSN	0163-5581
ISSN	0163-5581
DOI	10.1080/01635580701684872
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Article: Point: From animal models to prevention of colon cancer. Systematic review of chemoprevention in min mice and choice of the model system.

Corpet, Denis E / Pierre, Fabrice

Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology

2003 Volume 12, Issue 5, Page(s) 391–400

Abstract: ... of chemopreventive agents in the AOM rat model (D. E. Corpet and S. Tache, Nutr. Cancer, 43: 1-21, 2002). Here we add ... on the internet http://corpet.net/min.(2) We compared the efficacy of agents in the Min mouse model and the AOM ...

Abstract	The Apc(Min/+) mouse model and the azoxymethane (AOM) rat model are the main animal models used to study the effect of dietary agents on colorectal cancer. We reviewed recently the potency of chemopreventive agents in the AOM rat model (D. E. Corpet and S. Tache, Nutr. Cancer, 43: 1-21, 2002). Here we add the results of a systematic review of the effect of dietary and chemopreventive agents on the tumor yield in Min mice. The review is based on the results of 179 studies from 71 articles and is displayed also on the internet http://corpet.net/min.(2) We compared the efficacy of agents in the Min mouse model and the AOM rat model, and found that they were correlated (r = 0.66; P < 0.001), although some agents that afford strong protection in the AOM rat and the Min mouse small bowel increase the tumor yield in the large bowel of mutant mice. The agents included piroxicam, sulindac, celecoxib, difluoromethylornithine, and polyethylene glycol. The reason for this discrepancy is not known. We also compare the results of rodent studies with those of clinical intervention studies of polyp recurrence. We found that the effect of most of the agents tested was consistent across the animal and clinical models. Our point is thus: rodent models can provide guidance in the selection of prevention approaches to human colon cancer, in particular they suggest that polyethylene glycol, hesperidin, protease inhibitor, sphingomyelin, physical exercise, epidermal growth factor receptor kinase inhibitor, (+)-catechin, resveratrol, fish oil, curcumin, caffeate, and thiosulfonate are likely important preventive agents.
MeSH term(s)	Animals ; Anticarcinogenic Agents/therapeutic use ; Azoxymethane ; Chemoprevention ; Colonic Neoplasms/chemically induced ; Colonic Neoplasms/prevention & control ; Diet ; Disease Models, Animal ; Humans ; Mice ; Mice, Mutant Strains ; Precancerous Conditions/chemically induced ; Precancerous Conditions/prevention & control ; Randomized Controlled Trials as Topic ; Rats
Chemical Substances	Anticarcinogenic Agents ; Azoxymethane (MO0N1J0SEN)
Language	English
Publishing date	2003-05-14
Publishing country	United States
Document type	Journal Article ; Review ; Systematic Review
ZDB-ID	1153420-5
ISSN	1055-9965
ISSN	1055-9965
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Article ; Online: Re: 'Application of the key characteristics of carcinogens in cancer hazard evaluation': response to Goodman, Lynch and Rhomberg.

Guyton, Kathryn Z / Rusyn, Ivan / Chiu, Weihsueh A / Corpet, Denis E / van den Berg, Martin / Ross, Matthew K / Christiani, David C / Beland, Frederick A / Smith, Martyn T

Carcinogenesis

2017 Volume 39, Issue 8, Page(s) 1091–1093

MeSH term(s)	Carcinogenicity Tests ; Carcinogens ; Humans ; Neoplasms
Chemical Substances	Carcinogens
Language	English
Publishing date	2017-08-19
Publishing country	England
Document type	Letter ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Comment
ZDB-ID	603134-1
ISSN	1460-2180 ; 0143-3334
ISSN (online)	1460-2180
ISSN	0143-3334
DOI	10.1093/carcin/bgy082
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