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Is Acrylamide as Harmful as We Think? A New Look at the Impact of Acrylamide on the Viability of Beneficial Intestinal Bacteria of the Genus Lactobacillus. Nutrients 2020; 12:nu12041157. [PMID: 32326187 PMCID: PMC7230431 DOI: 10.3390/nu12041157] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/13/2020] [Accepted: 04/18/2020] [Indexed: 12/16/2022] Open
Abstract
The impact of acrylamide (AA) on microorganisms is still not clearly understood as AA has not induced mutations in bacteria, but its epoxide analog has been reported to be mutagenic in Salmonella strains. The aim of the study was to evaluate whether AA could influence the growth and viability of beneficial intestinal bacteria. The impact of AA at concentrations of 0–100 µg/mL on lactic acid bacteria (LAB) was examined. Bacterial growth was evaluated by the culture method, while the percentage of alive, injured, and dead bacteria was assessed by flow cytometry after 24 h and 48 h of incubation. We demonstrated that acrylamide could influence the viability of the LAB, but its impact depended on both the AA concentration and the bacterial species. The viability of probiotic strain Lactobacillus acidophilus LA-5 increased while that of Lactobacillus plantarum decreased; Lactobacillus brevis was less sensitive. Moreover, AA influenced the morphology of L. plantarum, probably by blocking cell separation during division. We concluded that acrylamide present in food could modulate the viability of LAB and, therefore, could influence their activity in food products or, after colonization, in the human intestine.
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Qian B, Xiong L, Guo K, Wang R, Yang J, Wang Z, Tong J, Sun J. Comprehensive management of breast augmentation with polyacrylamide hydrogel injection based on 15 years of experience: a report on 325 cases. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:475. [PMID: 32395519 PMCID: PMC7210124 DOI: 10.21037/atm.2020.03.68] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Background As a permanent soft tissue filler, the use of polyacrylamide hydrogel (PAAG) has been banned due to its myriad complications. However, a large number of symptomatic and asymptomatic patients whose breasts were augmented with the gel injection have continued to seek medical advice. This study aimed to explore standardized clinical management of breast augmentation with PAAG. Methods The authors retrospectively collected the data of a total of 325 patients following PAAG injection for breast augmentation from 2003 to 2018. Magnetic resonance imaging (MRI) was performed preoperatively to disclose the general distribution of the gel and its infiltration into the muscle and gland. Debridement surgery, including the PAAG evacuation, pathologic tissue excision, and pocket irrigation via the periareolar incision, was performed. Immediate breast reconstruction (IBR) using silicone prostheses was carried out on 86 patients and delayed breast reconstruction (DBR) was performed on 35 patients. Results Most of the patients in the group were satisfied with their surgical outcome, their symptoms disappeared after the debridement surgery, and they experienced no relapse or recurrence. Unfortunately, for most of the cases, it was extremely difficult to remove the PAAG completely-however, improved quality of life as seen through the BREAST-Q evaluation. Conclusions With the guidance of MRI images, surgery, including PAAG evacuation, pathologic tissue excision, and pocket irrigation via the periareolar incision, was a reliable method to ensure the maximal removal of the PAAG. Immediate or secondary breast reconstruction with sub-glandular placement of silicone prostheses showed a satisfactory mid-term effect.
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Affiliation(s)
- Bei Qian
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Lingyun Xiong
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Ke Guo
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Rongrong Wang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jie Yang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zhenxing Wang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jing Tong
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jiaming Sun
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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YENER Y, YERLİKAYA FH. Acrylamide reduces plasma antioxidant vitamin levels in rats due to increased oxidative damage. REV NUTR 2020. [DOI: 10.1590/1678-9865202033e180232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
ABSTRACT Objective Acrylamide is a potentially neurotoxic and carcinogenic chemical and naturally creates during the heating process of carbohydrate-rich foods, such as potato chips and breakfast cereals. Acrylamide might be ingested by people via consuming food that contains it. Therefore, we investigated the effect of acrylamidegiven orally to male and female rats on plasma retinoic acid and α-tocopherol and serum sialic acid and malondialdehyde levels. Method A total of 50 Wistar rats were used (25 female and 25 male, three-four weeks old). The rats of each sex were given 2 and 5mg/kg/day acrylamide via drinking water for 90 days. At the end of the treatment, the animals were euthanized by cervical dislocation. Blood specimens were collected through cardiac puncture, and serum and plasma samples were analysed using the high-performance liquid chromatography technique with a Ultraviolet detector. Results The analysis of the plasma and serum samples revealed that serum sialic acid and malondialdehyde levels in both sexes given 5mg/kg/day acrylamide were significantly increased, and the serum sialic acid levels were higher in female rats given 2mg/kg/day acrylamide. The plasma retinoic acid and α-tocopherol levels significantly decreased in both sexes given only the highest dose. Conclusion The results show that acrylamide causes an increase in oxidative stress and leads to a decrease in the levels of retinoic acid and α-tocopherol which play a role in the defense mechanism against this stress.
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Lu X, Chen J, Jiao L, Zhong L, Lu Z, Zhang C, Lu F. Improvement of the activity of l-asparaginase I improvement of the catalytic activity of l-asparaginase I from Bacillus megaterium H-1 by in vitro directed evolution. J Biosci Bioeng 2019; 128:683-689. [DOI: 10.1016/j.jbiosc.2019.06.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 05/17/2019] [Accepted: 06/04/2019] [Indexed: 10/26/2022]
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Behrens KA, Jania LA, Snouwaert JN, Nguyen M, Moy SS, Tikunov AP, Macdonald JM, Koller BH. Beyond detoxification: Pleiotropic functions of multiple glutathione S-transferase isoforms protect mice against a toxic electrophile. PLoS One 2019; 14:e0225449. [PMID: 31747445 PMCID: PMC6867637 DOI: 10.1371/journal.pone.0225449] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 11/04/2019] [Indexed: 02/07/2023] Open
Abstract
Environmental and endogenous electrophiles cause tissue damage through their high reactivity with endogenous nucleophiles such as DNA, proteins, and lipids. Protection against damage is mediated by glutathione (GSH) conjugation, which can occur spontaneously or be facilitated by the glutathione S-transferase (GST) enzymes. To determine the role of GST enzymes in protection against electrophiles as well as the role of specific GST families in mediating this protection, we exposed mutant mouse lines lacking the GSTP, GSTM, and/or GSTT enzyme families to the model electrophile acrylamide, a ubiquitous dietary contaminant known to cause adverse effects in humans. An analysis of urinary metabolites after acute acrylamide exposure identified the GSTM family as the primary mediator of GSH conjugation to acrylamide. However, surprisingly, mice lacking only this enzyme family did not show increased toxicity after an acute acrylamide exposure. Therefore, GSH conjugation is not the sole mechanism by which GSTs protect against the toxicity of this substrate. Given the prevalence of null GST polymorphisms in the human population (approximately 50% for GSTM1 and 20–50% for GSTT1), a substantial portion of the population may also have impaired acrylamide metabolism. However, our study also defines a role for GSTP and/or GSTT in protection against acrylamide mediated toxicity. Thus, while the canonical detoxification function of GSTs may be impaired in GSTM null individuals, disease risk secondary to acrylamide exposure may be mitigated through non-canonical pathways involving members of the GSTP and/or GSTT families.
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Affiliation(s)
- Kelsey A. Behrens
- Curriculum in Toxicology & Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Leigh A. Jania
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - John N. Snouwaert
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - MyTrang Nguyen
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Sheryl S. Moy
- Carolina Institute for Developmental Disabilities and Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Andrey P. Tikunov
- Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Jeffrey M. Macdonald
- Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Beverly H. Koller
- Curriculum in Toxicology & Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- * E-mail:
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Non-centrifugal cane sugar processing: A review on recent advances and the influence of process variables on qualities attributes of final products. J FOOD ENG 2019. [DOI: 10.1016/j.jfoodeng.2019.03.009] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Abt E, Robin LP, McGrath S, Srinivasan J, DiNovi M, Adachi Y, Chirtel S. Acrylamide levels and dietary exposure from foods in the United States, an update based on 2011-2015 data. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2019; 36:1475-1490. [DOI: 10.1080/19440049.2019.1637548] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Eileen Abt
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
| | - Lauren Posnick Robin
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
| | - Sara McGrath
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
| | - Jannavi Srinivasan
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
| | - Michael DiNovi
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
| | - Yoko Adachi
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
| | - Stuart Chirtel
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
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Role of microglial activation and neuroinflammation in neurotoxicity of acrylamide in vivo and in vitro. Arch Toxicol 2019; 93:2007-2019. [PMID: 31073625 DOI: 10.1007/s00204-019-02471-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 05/02/2019] [Indexed: 12/17/2022]
Abstract
Acrylamide, a soft electrophile, is widely used in the industry and laboratories, and also contaminates certain foods. Neurotoxicity and neurodegenerative effects of acrylamide have been reported in humans and experimental animals, although the underlying mechanism remains obscure. Activation of microglia and neuroinflammation has been demonstrated in various neurodegenerative diseases as well as other pathologies of the brain. The present study aimed to investigate the role of microglial activation and neuroinflammation in acrylamide neurotoxicity. Male 10-week-old Wistar rats were exposed to acrylamide by gavage at 0, 0.2, 2, or 20 mg/kg BW, once per day for 5 weeks. The results showed that 5-week exposure to acrylamide induced inflammatory responses in the cerebral cortex, evident by upregulated mRNA and protein expression of pro-inflammatory cytokines IL-1β, IL-6, and IL-18. Acrylamide also induced activation of microglia, indicated by increased expression of microglial markers, CD11b and CD40, and increased CD11b/c-positive microglial area and microglial process length. In vitro studies using BV-2 microglial cells confirmed microglial inflammatory response, as evident by time- (0-36 h; 50 μM) and dose- (0-500 μM; 24 h) dependent increase in mRNA expression of IL-1β and IL-18, as well as the inflammatory marker iNOS. Furthermore, acrylamide-induced upregulation of pro-inflammatory cytokines was mediated through the NLRP3 inflammasome pathway, as evident by increased expression of NLRP3, caspase 1, and ASC in the rat cerebral cortex, and by the inhibitory effects of NLRP3 inflammasome inhibitor on the acrylamide-induced upregulation of NLRP3, caspase 1, IL-1β, and IL-18 in BV-2 microglia.
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Hashemian M, Murphy G, Etemadi A, Liao LM, Dawsey SM, Malekzadeh R, Abnet CC. Potato consumption and the risk of overall and cause specific mortality in the NIH-AARP study. PLoS One 2019; 14:e0216348. [PMID: 31063480 PMCID: PMC6504095 DOI: 10.1371/journal.pone.0216348] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 04/18/2019] [Indexed: 12/03/2022] Open
Abstract
Background Potato consumption has been hypothesized to be associated with higher risk of hypertension, diabetes, and colorectal cancer. Objective The aim of this study was to examine the association between potato consumption and the risk of overall and cause specific mortality in the large prospective National Institutes of Health–AARP (NIH-AARP) Study. Design The NIH-AARP study recruited 566,407 persons, aged 50–72 years in 1995–1996. We excluded subjects that reported a history of chronic disease at baseline. Potato consumption data from a validated food frequency questionnaire completed at baseline was used in Cox proportional hazard models to estimate hazard ratios (HR) and 95% confidence intervals (95% CI) for overall and cause specific mortality. Final models were adjusted for potential risk factors for mortality. Results Among 410,701 participants included in this analysis, 76,921 persons died during the 15.6 years of follow-up. Eating baked, boiled, or mashed potatoes, French fries or potato salad seven or more times per week was associated with higher risk of overall mortality, in models adjusted only for age and sex (HR C4 vs C1 = 1.17, 95%CI = 1.13, 1.21). These results were attenuated in fully adjusted models (HR C4 vs C1 = 1.02, 95%CI = 0.97, 1.06). Potato consumption was not associated with risk of mortality caused by cancer (HR C4 vs C1 = 1.04, 95%CI = 0.97, 1.11), heart disease (HR C4 vs C1 = 1.00, 95%CI = 0.93, 1.09), respiratory disease (HR C4 vs C1 = 1.16, 95%CI = 0.99, 1.37), or diabetes (HR C4 vs C1 = 0.91, 95%CI = 0.71, 1.19). We tested for an association with different preparation methods and found limited evidence for differences by preparation method. The only statistically significant association was that for French fry consumption with cancer-related mortality (HR C4 vs C1 = 1.27, 95%CI = 1.02, 1.59), a finding for which uncontrolled confounding could not be ruled out. Conclusion We find little evidence that potato consumption is associated with all-cause or cause-specific mortality.
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Affiliation(s)
- Maryam Hashemian
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, United States of America
- Digestive Oncology Research Center, Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
- * E-mail:
| | - Gwen Murphy
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, United States of America
| | - Arash Etemadi
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, United States of America
| | - Linda M. Liao
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, United States of America
| | - Sanford M. Dawsey
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, United States of America
| | - Reza Malekzadeh
- Digestive Disease Research Center, Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Christian C. Abnet
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, United States of America
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Zhivagui M, Ng AWT, Ardin M, Churchwell MI, Pandey M, Renard C, Villar S, Cahais V, Robitaille A, Bouaoun L, Heguy A, Guyton KZ, Stampfer MR, McKay J, Hollstein M, Olivier M, Rozen SG, Beland FA, Korenjak M, Zavadil J. Experimental and pan-cancer genome analyses reveal widespread contribution of acrylamide exposure to carcinogenesis in humans. Genome Res 2019; 29:521-531. [PMID: 30846532 PMCID: PMC6442384 DOI: 10.1101/gr.242453.118] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 02/01/2019] [Indexed: 02/06/2023]
Abstract
Humans are frequently exposed to acrylamide, a probable human carcinogen found in commonplace sources such as most heated starchy foods or tobacco smoke. Prior evidence has shown that acrylamide causes cancer in rodents, yet epidemiological studies conducted to date are limited and, thus far, have yielded inconclusive data on association of human cancers with acrylamide exposure. In this study, we experimentally identify a novel and unique mutational signature imprinted by acrylamide through the effects of its reactive metabolite glycidamide. We next show that the glycidamide mutational signature is found in a full one-third of approximately 1600 tumor genomes corresponding to 19 human tumor types from 14 organs. The highest enrichment of the glycidamide signature was observed in the cancers of the lung (88% of the interrogated tumors), liver (73%), kidney (>70%), bile duct (57%), cervix (50%), and, to a lesser extent, additional cancer types. Overall, our study reveals an unexpectedly extensive contribution of acrylamide-associated mutagenesis to human cancers.
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Affiliation(s)
- Maria Zhivagui
- Molecular Mechanisms and Biomarkers Group, International Agency for Research on Cancer, Lyon 69008, France
| | - Alvin W T Ng
- Centre for Computational Biology, Duke-NUS Medical School, Singapore 169857, Singapore
- Program in Cancer and Stem Cell Biology, Duke-NUS Medical School, 169857, Singapore
- NUS Graduate School for Integrative Sciences and Engineering, Singapore 117456, Singapore
| | - Maude Ardin
- Molecular Mechanisms and Biomarkers Group, International Agency for Research on Cancer, Lyon 69008, France
| | - Mona I Churchwell
- Division of Biochemical Toxicology, National Center for Toxicological Research, Jefferson, Arkansas 72079, USA
| | - Manuraj Pandey
- Molecular Mechanisms and Biomarkers Group, International Agency for Research on Cancer, Lyon 69008, France
| | - Claire Renard
- Molecular Mechanisms and Biomarkers Group, International Agency for Research on Cancer, Lyon 69008, France
| | - Stephanie Villar
- Molecular Mechanisms and Biomarkers Group, International Agency for Research on Cancer, Lyon 69008, France
| | - Vincent Cahais
- Epigenetics Group, International Agency for Research on Cancer, Lyon 69008, France
| | - Alexis Robitaille
- Infections and Cancer Biology Group, International Agency for Research on Cancer, Lyon 69008, France
| | - Liacine Bouaoun
- Environment and Radiation Section, International Agency for Research on Cancer, Lyon 69008, France
| | - Adriana Heguy
- Department of Pathology and Genome Technology Center, New York University, Langone Medical Center, New York, New York 10016, USA
| | - Kathryn Z Guyton
- IARC Monographs Group, International Agency for Research on Cancer, Lyon 69008, France
| | - Martha R Stampfer
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - James McKay
- Genetic Cancer Susceptibility Group, International Agency for Research on Cancer, Lyon 69008, France
| | - Monica Hollstein
- Molecular Mechanisms and Biomarkers Group, International Agency for Research on Cancer, Lyon 69008, France
- Deutsches Krebsforschungszentrum, 69120 Heidelberg, Germany
- Faculty of Medicine and Health, University of Leeds, LIGHT Laboratories, Leeds LS2 9JT, United Kingdom
| | - Magali Olivier
- Molecular Mechanisms and Biomarkers Group, International Agency for Research on Cancer, Lyon 69008, France
| | - Steven G Rozen
- Centre for Computational Biology, Duke-NUS Medical School, Singapore 169857, Singapore
- Program in Cancer and Stem Cell Biology, Duke-NUS Medical School, 169857, Singapore
- NUS Graduate School for Integrative Sciences and Engineering, Singapore 117456, Singapore
| | - Frederick A Beland
- Division of Biochemical Toxicology, National Center for Toxicological Research, Jefferson, Arkansas 72079, USA
| | - Michael Korenjak
- Molecular Mechanisms and Biomarkers Group, International Agency for Research on Cancer, Lyon 69008, France
| | - Jiri Zavadil
- Molecular Mechanisms and Biomarkers Group, International Agency for Research on Cancer, Lyon 69008, France
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Schnabel L, Kesse-Guyot E, Allès B, Touvier M, Srour B, Hercberg S, Buscail C, Julia C. Association Between Ultraprocessed Food Consumption and Risk of Mortality Among Middle-aged Adults in France. JAMA Intern Med 2019; 179:490-498. [PMID: 30742202 PMCID: PMC6450295 DOI: 10.1001/jamainternmed.2018.7289] [Citation(s) in RCA: 219] [Impact Index Per Article: 43.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
IMPORTANCE Growing evidence indicates that higher intake of ultraprocessed foods is associated with higher incidence of noncommunicable diseases. However, to date, the association between ultraprocessed foods consumption and mortality risk has never been investigated. OBJECTIVE To assess the association between ultraprocessed foods consumption and all-cause mortality risk. DESIGN, SETTING, AND PARTICIPANTS This observational prospective cohort study selected adults, 45 years or older, from the French NutriNet-Santé Study, an ongoing cohort study that launched on May 11, 2009, and performed a follow-up through December 15, 2017 (a median of 7.1 years). Participants were selected if they completed at least 1 set of 3 web-based 24-hour dietary records during their first 2 years of follow-up. Self-reported data were collected at baseline, including sociodemographic, lifestyle, physical activity, weight and height, and anthropometrics. EXPOSURES The ultraprocessed foods group (from the NOVA food classification system), characterized as ready-to-eat or -heat formulations made mostly from ingredients usually combined with additives. Proportion (in weight) of ultraprocessed foods in the diet was computed for each participant. MAIN OUTCOMES AND MEASURES The association between proportion of ultraprocessed foods and overall mortality was the main outcome. Mean dietary intakes from all of the 24-hour dietary records available during the first 2 years of follow-up were calculated and considered as the baseline usual food-and-drink intakes. Mortality was assessed using CépiDC, the French national registry of specific mortality causes. Hazard ratios (HRs) and 95% CIs were determined for all-cause mortality, using multivariable Cox proportional hazards regression models, with age as the underlying time metric. RESULTS A total of 44 551 participants were included, of whom 32 549 (73.1%) were women, with a mean (SD) age at baseline of 56.7 (7.5) years. Ultraprocessed foods accounted for a mean (SD) proportion of 14.4% (7.6%) of the weight of total food consumed, corresponding to a mean (SD) proportion of 29.1% (10.9%) of total energy intake. Ultraprocessed foods consumption was associated with younger age (45-64 years, mean [SE] proportion of food in weight, 14.50% [0.04%]; P < .001), lower income (<€1200/mo, 15.58% [0.11%]; P < .001), lower educational level (no diploma or primary school, 15.50% [0.16%]; P < .001), living alone (15.02% [0.07%]; P < .001), higher body mass index (calculated as weight in kilograms divided by height in meters squared; ≥30, 15.98% [0.11%]; P < .001), and lower physical activity level (15.56% [0.08%]; P < .001). A total of 602 deaths (1.4%) occurred during follow-up. After adjustment for a range of confounding factors, an increase in the proportion of ultraprocessed foods consumed was associated with a higher risk of all-cause mortality (HR per 10% increment, 1.14; 95% CI, 1.04-1.27; P = .008). CONCLUSIONS AND RELEVANCE An increase in ultraprocessed foods consumption appears to be associated with an overall higher mortality risk among this adult population; further prospective studies are needed to confirm these findings and to disentangle the various mechanisms by which ultraprocessed foods may affect health.
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Affiliation(s)
- Laure Schnabel
- Université Paris 13, Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche Epidémiologie et Statistique, Sorbonne Paris Cité, Bobigny, France.,Département de Santé Publique, Hôpital Avicenne (AP-HP), Bobigny, France
| | - Emmanuelle Kesse-Guyot
- Université Paris 13, Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche Epidémiologie et Statistique, Sorbonne Paris Cité, Bobigny, France
| | - Benjamin Allès
- Université Paris 13, Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche Epidémiologie et Statistique, Sorbonne Paris Cité, Bobigny, France
| | - Mathilde Touvier
- Université Paris 13, Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche Epidémiologie et Statistique, Sorbonne Paris Cité, Bobigny, France
| | - Bernard Srour
- Université Paris 13, Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche Epidémiologie et Statistique, Sorbonne Paris Cité, Bobigny, France
| | - Serge Hercberg
- Université Paris 13, Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche Epidémiologie et Statistique, Sorbonne Paris Cité, Bobigny, France.,Département de Santé Publique, Hôpital Avicenne (AP-HP), Bobigny, France
| | - Camille Buscail
- Université Paris 13, Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche Epidémiologie et Statistique, Sorbonne Paris Cité, Bobigny, France.,Département de Santé Publique, Hôpital Avicenne (AP-HP), Bobigny, France
| | - Chantal Julia
- Université Paris 13, Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche Epidémiologie et Statistique, Sorbonne Paris Cité, Bobigny, France.,Département de Santé Publique, Hôpital Avicenne (AP-HP), Bobigny, France
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Eslamizad S, Kobarfard F, Tsitsimpikou C, Tsatsakis A, Tabib K, Yazdanpanah H. Health risk assessment of acrylamide in bread in Iran using LC-MS/MS. Food Chem Toxicol 2019; 126:162-168. [PMID: 30753857 DOI: 10.1016/j.fct.2019.02.019] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 02/06/2019] [Accepted: 02/08/2019] [Indexed: 10/27/2022]
Abstract
Acrylamide is a chemical, often present in bread, legally classified as carcinogen, mutagen and reproductive toxicant. Since bread is consumed both world-wide and in Iran, determination of acrylamide in different types of breads is of high interest. In the present study, acrylamide was monitored in 56 Sangak and 30 industrial bread samples collected from Tehran and Shiraz, using LC-MS/MS (LOQ = 1 ng/g). In addition, the noncarcinogenic risk (target hazard quotient-THQ) and carcinogenic risk (incremental lifetime cancer risk-ILCR) due to ingestion of acrylamide through bread consumption in children and adults were assessed. Acrylamide was detected in more than 90% of the samples tested. The average daily intake of acrylamide in Iran based on exclusive consumption of Sangak bread, was estimated at 145 ng/kg bw/day. Based on the THQ for bread acrylamide in adults and children, the decreasing risk order was: Shiraz semi-industrial Sangak, Shiraz traditional Sangak, Tehran traditional Sangak, Tehran industrial bread. The ILCR of bread acrylamide calculated for adults and children was higher than the permissible lifetime carcinogenic risk value established by USEPA (1.00E-5). Results show that bread is a major source of acrylamide intake by people in Iran and all consumers regardless of age could be at elevated carcinogenic risk.
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Affiliation(s)
- Samira Eslamizad
- Food Safety Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farzad Kobarfard
- Food Safety Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Aristides Tsatsakis
- Center of Toxicology Science & Research, Medical School, University of Crete, Heraklion, Crete, Greece
| | - Kimia Tabib
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hassan Yazdanpanah
- Food Safety Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Toxicology and Pharmacology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Kurtz DM, Glascoe R, Caviness G, Locklear J, Whiteside T, Ward T, Adsit F, Lih F, Deterding LJ, Churchwell MI, Doerge DR, Kissling GE. Acrylamide Production in Autoclaved Rodent Feed. JOURNAL OF THE AMERICAN ASSOCIATION FOR LABORATORY ANIMAL SCIENCE : JAALAS 2018; 57. [PMID: 30360773 PMCID: PMC6241378 DOI: 10.30802/aalas-jaalas-18-000011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 03/05/2018] [Accepted: 04/09/2018] [Indexed: 11/05/2022]
Abstract
Sterilization of rodent feed by steam autoclaving is a common practice in many research institutions. Often we only considerthe beneficial effects of this process-the reduction of microbial contamination-and forget that the high temperatures andpressures can have negative effects on diet quality. The purpose of our study was to assess both the physical and chemicalchanges to a standard rodent feed autoclaved at multiple sterilization temperatures and the effects of the treated diets on mice. Pelleted NIH31 rodent feed was autoclaved at 4 sterilization temperatures (230, 250, 260, and 270 °F). Feed pellet hardness and the acrylamide concentrations of the diets were tested and compared with irradiated NIH31 feed. Study diets were fed to mice for 28 d, after which tissue samples were collected for analysis of acrylamide, glycidamide (the active metabolite of acrylamide), and genotoxicity. Both feed pellet hardness and acrylamide concentration increased with increasing sterilization temperatures; however, neither affected feed intake or body weight gain. Plasma acrylamide and glycidamide weresignificantly elevated only in mice fed NIH31 diet autoclaved at 270 °F compared with the irradiated feed, whereas urineacrylamide and glycidamide metabolites were significantly elevated in most autoclaved diets. Liver DNA adducts, whichcorrelate with genotoxicity, were significantly elevated in all autoclaved diets compared with the irradiated diet. Institutionsthat autoclave their animal diets should carefully consider the temperatures necessary to achieve feed sterilization and thetype of studies in which these autoclaved diets are used.
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Affiliation(s)
- David M Kurtz
- Quality Assurance Laboratory, Comparative Medicine Branch
| | - Rallene Glascoe
- Food Safety and Inspection Service, USDA, Alameda, California; and
| | | | | | | | - Toni Ward
- Quality Assurance Laboratory, Comparative Medicine Branch
| | - Floyd Adsit
- Quality Assurance Laboratory, Comparative Medicine Branch
| | - Fred Lih
- Mass Spectrometry Research and Support, Epigenetics and Stem Cell Biology Laboratory
| | - Leesa J Deterding
- Mass Spectrometry Research and Support, Epigenetics and Stem Cell Biology Laboratory
| | - Mona I Churchwell
- Division of Biochemical Toxicology, National Center for Toxicological Research, US Food and Drug Administration, Jefferson, Arkansas
| | - Daniel R Doerge
- Division of Biochemical Toxicology, National Center for Toxicological Research, US Food and Drug Administration, Jefferson, Arkansas
| | - Grace E Kissling
- Biostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina
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Huang M, Jiao J, Wang J, Chen X, Zhang Y. Associations of hemoglobin biomarker levels of acrylamide and all-cause and cardiovascular disease mortality among U.S. adults: National Health and Nutrition Examination Survey 2003-2006. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 238:852-858. [PMID: 29627755 DOI: 10.1016/j.envpol.2018.03.109] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 02/10/2018] [Accepted: 03/29/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND The potential hazards of acrylamide (AA) have been proposed due to its lifelong exposure. However, the association between AA exposure and mortality remains unclear. OBJECTIVES We evaluated the prospective association of AA hemoglobin adducts (HbAA and HbGA) with all-cause and cardiovascular disease (CVD) mortality in U.S. population from National Health and Nutrition Examination Survey (NHANES) 2003-2006. METHODS We followed 5504 participants who were ≥25 years of age for an average of 6.7 years at the baseline examination with annual linkage to the NHANES statistics database. Using AA hemoglobin biomarkers [HbAA, HbGA, sum of HbAA and HbGA (HbAA + HbGA), and ratio of HbGA to HbAA (HbGA/HbAA)], we determined mortality from all-causes and CVD through Cox proportional hazard regression analysis with multivariable adjustments both in non-smoker group and smoker group. In addition, subgroup analyses and sensitivity analyses were further conducted. RESULTS After adjusting for sociodemographic, life behavioral and cardiovascular risk factors in non-smoker group, HbAA was positively associated with all-cause mortality (p for trend = 0.0197) and non-CVD mortality (p for trend = 0.0124). HbGA and HbGA/HbAA were inversely associated with all-cause mortality (p for trend = 0.0117 and 0.0098, respectively) and CVD mortality (p for trend=0.0009 and 0.0036, respectively). The multivariable adjusted hazard ratios (HRs) [95% confidence intervals (CIs)] of the upper three quartiles were 0.472 (95% CI: 0.283-0.786), 0.517 (95% CI: 0.299-0.894) and 0.470 (95% CI: 0.288-0.766) between HbGA/HbAA and all-cause mortality comparing with the lowest quartile, respectively. No significant associations were found between HbAA + HbGA and mortality in non-smoker group, and between all AA hemoglobin biomarkers and mortality in smoker group. CONCLUSIONS Hemoglobin biomarker levels of AA were strongly associated with mortality in general U.S. non-smoker adults. These findings proposed a continuous public health concern in relation to environmental and dietary exposure to AA.
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Affiliation(s)
- Mengmeng Huang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jingjing Jiao
- Department of Nutrition and Food Hygiene, School of Public Health, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jun Wang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xinyu Chen
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yu Zhang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, China.
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The Complex Interplay between Chronic Inflammation, the Microbiome, and Cancer: Understanding Disease Progression and What We Can Do to Prevent It. Cancers (Basel) 2018; 10:cancers10030083. [PMID: 29558443 PMCID: PMC5876658 DOI: 10.3390/cancers10030083] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 03/15/2018] [Accepted: 03/15/2018] [Indexed: 12/12/2022] Open
Abstract
Cancer is a multifaceted condition, in which a senescent cell begins dividing in an irregular manner due to various factors such as DNA damage, growth factors and inflammation. Inflammation is not typically discussed as carcinogenic; however, a significant percentage of cancers arise from chronic microbial infections and damage brought on by chronic inflammation. A hallmark cancer-inducing microbe is Helicobacter pylori and its causation of peptic ulcers and potentially gastric cancer. This review discusses the recent developments in understanding microbes in health and disease and their potential role in the progression of cancer. To date, microbes can be linked to almost every cancer, including colon, pancreatic, gastric, and even prostate. We discuss the known mechanisms by which these microbes can induce cancer growth and development and how inflammatory cells may contribute to cancer progression. We also discuss new treatments that target the chronic inflammatory conditions and their associated cancers, and the impact microbes have on treatment success. Finally, we examine common dietary misconceptions in relation to microbes and cancer and how to avoid getting caught up in the misinterpretation and over inflation of the results.
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Kumar J, Das S, Teoh SL. Dietary Acrylamide and the Risks of Developing Cancer: Facts to Ponder. Front Nutr 2018; 5:14. [PMID: 29541638 PMCID: PMC5835509 DOI: 10.3389/fnut.2018.00014] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 02/12/2018] [Indexed: 12/18/2022] Open
Abstract
Acrylamide (AA) is a water soluble white crystalline solid commonly used in industries. It was listed as an industrial chemical with potential carcinogenic properties. However to date, AA was used to produce polyacrylamide polymer, which was widely used as a coagulant in water treatment; additives during papermaking; grouting material for dams, tunnels, and other underground building constructions. AA in food could be formed during high-temperature cooking via several mechanisms, i.e., formation via acrylic acid which may be derived from the degradation of lipid, carbohydrates, or free amino acids; formation via the dehydration/decarboxylation of organic acids (malic acid, lactic acid, and citric acid); and direct formation from amino acids. The big debate is whether this compound is toxic to human beings or not. In the present review, we discuss the formation of AA in food products, its consumption, and possible link to the development of any cancers. We discuss the body enzymatic influence on AA and mechanism of action of AA on hormone, calcium signaling pathways, and cytoskeletal filaments. We also highlight the deleterious effects of AA on nervous system, reproductive system, immune system, and the liver. The present and future mitigation strategies are also discussed. The present review on AA may be beneficial for researchers, food industry, and also medical personnel.
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Affiliation(s)
- Jaya Kumar
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
| | - Srijit Das
- Department of Anatomy, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
| | - Seong Lin Teoh
- Department of Anatomy, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
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68
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Saavedra-García P, Fan LYN, Lam EWF. Multifaceted link between metabolism and cancer. Mol Cell Endocrinol 2018; 462:65-66. [PMID: 28351646 DOI: 10.1016/j.mce.2017.03.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 03/23/2017] [Indexed: 11/18/2022]
Affiliation(s)
- Paula Saavedra-García
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London W12 0NN, UK
| | - Lavender Yuen-Nam Fan
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London W12 0NN, UK
| | - Eric W-F Lam
- Department of Surgery and Cancer, Imperial College London, Hammersmith Hospital Campus, London W12 0NN, UK.
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Fiolet T, Srour B, Sellem L, Kesse-Guyot E, Allès B, Méjean C, Deschasaux M, Fassier P, Latino-Martel P, Beslay M, Hercberg S, Lavalette C, Monteiro CA, Julia C, Touvier M. Consumption of ultra-processed foods and cancer risk: results from NutriNet-Santé prospective cohort. BMJ 2018; 360:k322. [PMID: 29444771 PMCID: PMC5811844 DOI: 10.1136/bmj.k322] [Citation(s) in RCA: 503] [Impact Index Per Article: 83.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
OBJECTIVE To assess the prospective associations between consumption of ultra-processed food and risk of cancer. DESIGN Population based cohort study. SETTING AND PARTICIPANTS 104 980 participants aged at least 18 years (median age 42.8 years) from the French NutriNet-Santé cohort (2009-17). Dietary intakes were collected using repeated 24 hour dietary records, designed to register participants' usual consumption for 3300 different food items. These were categorised according to their degree of processing by the NOVA classification. MAIN OUTCOME MEASURES Associations between ultra-processed food intake and risk of overall, breast, prostate, and colorectal cancer assessed by multivariable Cox proportional hazard models adjusted for known risk factors. RESULTS Ultra-processed food intake was associated with higher overall cancer risk (n=2228 cases; hazard ratio for a 10% increment in the proportion of ultra-processed food in the diet 1.12 (95% confidence interval 1.06 to 1.18); P for trend<0.001) and breast cancer risk (n=739 cases; hazard ratio 1.11 (1.02 to 1.22); P for trend=0.02). These results remained statistically significant after adjustment for several markers of the nutritional quality of the diet (lipid, sodium, and carbohydrate intakes and/or a Western pattern derived by principal component analysis). CONCLUSIONS In this large prospective study, a 10% increase in the proportion of ultra-processed foods in the diet was associated with a significant increase of greater than 10% in risks of overall and breast cancer. Further studies are needed to better understand the relative effect of the various dimensions of processing (nutritional composition, food additives, contact materials, and neoformed contaminants) in these associations. STUDY REGISTRATION Clinicaltrials.gov NCT03335644.
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Affiliation(s)
- Thibault Fiolet
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
| | - Bernard Srour
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
| | - Laury Sellem
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
| | - Emmanuelle Kesse-Guyot
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
| | - Benjamin Allès
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
| | | | - Mélanie Deschasaux
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
| | - Philippine Fassier
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
| | - Paule Latino-Martel
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
| | - Marie Beslay
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
| | - Serge Hercberg
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
- Public Health Department, Avicenne Hospital, AP-HP, Bobigny, France
| | - Céline Lavalette
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
| | - Carlos A Monteiro
- Department of Nutrition, School of Public Health, University of São Paulo, São Paulo 01246-904, Brazil
| | - Chantal Julia
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
- Public Health Department, Avicenne Hospital, AP-HP, Bobigny, France
| | - Mathilde Touvier
- Sorbonne Paris Cité Epidemiology and Statistics Research Center (CRESS), Inserm U1153, Inra U1125, Cnam, Paris 13 University, Nutritional Epidemiology Research Team (EREN), Bobigny, France
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Yu Z, Juhasz A, Islam S, Diepeveen D, Zhang J, Wang P, Ma W. Impact of mid-season sulphur deficiency on wheat nitrogen metabolism and biosynthesis of grain protein. Sci Rep 2018; 8:2499. [PMID: 29410526 PMCID: PMC5802717 DOI: 10.1038/s41598-018-20935-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 01/26/2018] [Indexed: 01/02/2023] Open
Abstract
Wheat (Triticum aestivum) quality is mainly determined by grain storage protein compositions. Sulphur availability is essential for the biosynthesis of the main wheat storage proteins. In this study, the impact of different sulphur fertilizer regimes on a range of agronomically important traits and associated gene networks was studied. High-performance liquid chromatography was used to analyse the protein compositions of grains grown under four different sulphur treatments. Results revealed that sulphur supplementation had a significant effect on grain yield, harvest index, and storage protein compositions. Consequently, two comparative sulphur fertilizer treatments (0 and 30 kg ha-1 sulphur, with 50 kg ha-1 nitrogen) at seven days post-anthesis were selected for a transcriptomics analysis to screen for differentially expressed genes (DEGs) involved in the regulation of sulphur metabolic pathways. The International Wheat Genome Sequencing Consortium chromosome survey sequence was used as reference. Higher sulphur supply led to one up-regulated DEG and sixty-three down-regulated DEGs. Gene ontology enrichment showed that four down-regulated DEGs were significantly enriched in nitrogen metabolic pathway related annotation, three of which were annotated as glutamine synthetase. The Kyoto Encyclopedia of Genes and Genomes pathway enrichment identified three significantly enriched pathways involved in nitrogen and amino acid metabolism.
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Affiliation(s)
- Zitong Yu
- State Agricultural Biotechnology Centre, School of Veterinary and Life Science, Murdoch University, Perth, WA, 6150, Australia
| | - Angela Juhasz
- State Agricultural Biotechnology Centre, School of Veterinary and Life Science, Murdoch University, Perth, WA, 6150, Australia
| | - Shahidul Islam
- State Agricultural Biotechnology Centre, School of Veterinary and Life Science, Murdoch University, Perth, WA, 6150, Australia
| | - Dean Diepeveen
- State Agricultural Biotechnology Centre, School of Veterinary and Life Science, Murdoch University, Perth, WA, 6150, Australia
- Western Australian Department of Agriculture & Food, 3 Baron-Hay Ct, South Perth, WA, 6151, Australia
| | - Jingjuan Zhang
- State Agricultural Biotechnology Centre, School of Veterinary and Life Science, Murdoch University, Perth, WA, 6150, Australia
| | - Penghao Wang
- State Agricultural Biotechnology Centre, School of Veterinary and Life Science, Murdoch University, Perth, WA, 6150, Australia
| | - Wujun Ma
- State Agricultural Biotechnology Centre, School of Veterinary and Life Science, Murdoch University, Perth, WA, 6150, Australia.
- Australia-China Joint Centre for Wheat Improvement, Murdoch University, Perth, WA, 6150, Australia.
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71
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Bo L, Liu Y, Jia S, Liu Y, Zhang M, Li S, Zhao X, Sun C. Metabonomics analysis of quercetin against the nephrotoxicity of acrylamide in rats. Food Funct 2018; 9:5965-5974. [DOI: 10.1039/c8fo00902c] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
This research aimed at studying the effect of quercetin against the nephrotoxicity of acrylamide by metabonomics analysis of kidney tissue.
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Affiliation(s)
- Lu Bo
- Department of Nutrition and Food Hygiene
- Public Health College
- Harbin Medical University
- Harbin
- China
| | - Yanli Liu
- Department of Nutrition and Food Hygiene
- Public Health College
- Harbin Medical University
- Harbin
- China
| | - Siqi Jia
- Department of Nutrition and Food Hygiene
- Public Health College
- Harbin Medical University
- Harbin
- China
| | - Yajing Liu
- Department of Nutrition and Food Hygiene
- Public Health College
- Harbin Medical University
- Harbin
- China
| | - Meiyan Zhang
- Department of Nutrition and Food Hygiene
- Public Health College
- Harbin Medical University
- Harbin
- China
| | - Siqi Li
- Department of Nutrition and Food Hygiene
- Public Health College
- Harbin Medical University
- Harbin
- China
| | - Xiujuan Zhao
- Department of Nutrition and Food Hygiene
- Public Health College
- Harbin Medical University
- Harbin
- China
| | - Changhao Sun
- Department of Nutrition and Food Hygiene
- Public Health College
- Harbin Medical University
- Harbin
- China
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Salaheldin HI, Almalki MHK, Hezma AEM, Osman GEH. Facile synthesis of silver nanoparticles mediated by polyacrylamide-reduction approach to antibacterial application. IET Nanobiotechnol 2017; 11:448-453. [PMID: 28530195 DOI: 10.1049/iet-nbt.2016.0135] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The current time increase in the prevalence of antibiotic resistant 'super-bugs' and the risks associated with food safety have become global issues. Therefore, further research is warranted to identify new and effective antimicrobial substances. Silver nanoparticles (Ag-NPs) were synthesized by autoclaving technique using, different concentrations of Ag salt (AgNO3) solution (1, 5, 10, and 25 mM). Their presence was confirmed by a surface plasmon resonance band at ∼435 nm using UV-Vis absorption spectra. The morphology of the synthesized Ag-NPs stabilized by polyacrylamide (PAM) was examined by TEM, SAED, and EDS. TEM images revealed that the synthesized Ag-NPs had an average diameter of 2.98±0.08 nm and SAED and EDS results confirmed the formation of Ag-NPs. In addition, FT-IR spectroscopy revealed that a PAM polymer matrix stabilized the Ag-NPs. The well diffusion method, was used to test, Gram positive and Gram negative bacteria were examined. Also the minimal inhibitory concentration (MIC) and minimal bactericidal concentration (MBC) were studied against Ag-NPs. The Ag-NPs exhibited strong inhibitory activity, MIC and MBC against the tested clinical bacterial isolates. These results suggest that Ag-NPs stabilized in PAM are highly effective against clinical bacterial isolates can be applied in medical fields.
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Affiliation(s)
- Hosam I Salaheldin
- Department of Physics, Faculty of Applied Science, Umm Al-Qura University, Makkah 21955, PO Box 715, Kingdom of Saudi Arabia.
| | - Meshal H K Almalki
- Department of Biology, Faculty of Applied Science, Umm Al-Qura University, Makkah 21955, PO Box 715, Kingdom of Saudi Arabia
| | - Abd Elhameed M Hezma
- Spectroscopy Department, Physics Division, National Research Centre, Dokki, 12622 Giza, Egypt
| | - Gamal E H Osman
- Microbial Genetics Department, Agricultural Genetic Engineering Research Institute (AGERI), Giza 12619, Egypt
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Esposito F, Nardone A, Fasano E, Triassi M, Cirillo T. Determination of acrylamide levels in potato crisps and other snacks and exposure risk assessment through a Margin of Exposure approach. Food Chem Toxicol 2017; 108:249-256. [PMID: 28811114 DOI: 10.1016/j.fct.2017.08.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 07/14/2017] [Accepted: 08/04/2017] [Indexed: 12/22/2022]
Abstract
Potato crisps, corn-based extruded snacks and other savoury snacks are very popular products especially among younger generations. These products could be a potential source of acrylamide (AA), a toxic compound which could develop during frying and baking processes. The purpose of this study was the assessment of the dietary intake to AA across six groups of consumers divided according to age through the consumption of potato crisps and other snacks, in order to eventually evaluate the margin of exposure (MOE) related to neurotoxic and carcinogenic critical endpoints. Different brands of potato crisps and other popular snacks were analyzed through a matrix solid-phase dispersion method followed by a bromination step and GC-MS quantification. The concentration of detected AA ranged from 21 to 3444 ng g-1 and the highest level occurred in potato crisps samples which showed a median value of 968 ng g-1. The risk characterization through MOE assessment revealed that five out of six consumers groups showed higher exposure values associated with an augmented carcinogenic risk.
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Affiliation(s)
- Francesco Esposito
- Department of Agricultural Sciences, University of Naples Federico II, Via Università, 100 - 80055 Portici, Naples, Italy
| | - Antonio Nardone
- Department of Public Health, University of Naples Federico II, Via Sergio Pansini, 5 - 80131 Naples, Italy
| | - Evelina Fasano
- Department of Agricultural Sciences, University of Naples Federico II, Via Università, 100 - 80055 Portici, Naples, Italy
| | - Maria Triassi
- Department of Public Health, University of Naples Federico II, Via Sergio Pansini, 5 - 80131 Naples, Italy
| | - Teresa Cirillo
- Department of Agricultural Sciences, University of Naples Federico II, Via Università, 100 - 80055 Portici, Naples, Italy.
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Mikami Y, Nakamura M, Yamada S, Murata M. 4-Hydroxy-5-Methyl-3( 2H)-Furanone (HMFO) Contributes to Browning in the Xylose-Lysine Maillard Reaction System. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2017. [DOI: 10.3136/fstr.23.283] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Yoko Mikami
- Department of Nutrition and Food Science, Ochanomizu University
| | - Miki Nakamura
- Department of Nutrition and Food Science, Ochanomizu University
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Bao W, Cao C, Li S, Bo L, Zhang M, Zhao X, Liu Y, Sun C. Metabonomic analysis of quercetin against the toxicity of acrylamide in rat urine. Food Funct 2017; 8:1204-1214. [DOI: 10.1039/c6fo01553k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Noda K, Murata M. Two novel pyrrolooxazole pigments formed by the Maillard reaction between glucose and threonine or serine. Biosci Biotechnol Biochem 2016; 81:343-349. [PMID: 27710213 DOI: 10.1080/09168451.2016.1240607] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Pyrrolothiazolate formed by the Maillard reaction between l-cysteine and d-glucose has a pyrrolothiazole skeleton as a chromophore. We searched for a Maillard pigment having a pyrrolooxazole skeleton formed from l-threonine or l-serine instead of l-cysteine in the presence of d-glucose. As a result, two novel yellow pigments, named pyrrolooxazolates A and B, were isolated from model solutions of the Maillard reaction containing l-threonine and d-glucose, and l-serine and d-glucose, respectively, and identified as (2R,3S,7aS)-2,3,7,7a-tetrahydro-6-hydroxy-2,5,7a-trimethyl-7-oxo-pyrrolo[2,1-b]oxazole-3-calboxylic acid and (3S,7aS)-2,3,7,7a-tetrahydro-6-hydroxy-5,7a-dimethyl-7-oxo-pyrrolo[2,1-b]oxazole-3-calboxylic acid by instrumental analyses. These compounds were pyrrolooxazole derivatives carrying a carboxy group, and showed the absorption maxima at 300-360 nm under acidic and neutral conditions and at 320-390 nm under alkaline conditions.
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Affiliation(s)
- Kyoko Noda
- a Department of Nutrition and Food Science , Ochanomizu University , Tokyo , Japan
| | - Masatsune Murata
- a Department of Nutrition and Food Science , Ochanomizu University , Tokyo , Japan
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Muscaritoli M, Amabile MI, Molfino A. Foods and their components promoting gastrointestinal cancer. Curr Opin Clin Nutr Metab Care 2016; 19:377-381. [PMID: 27389082 DOI: 10.1097/mco.0000000000000309] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW Cancer represents one of the most feared diseases. Despite an increasing number of available scientific data, most people remain unaware of those basic dietary and healthy lifestyle measures, which might reduce their risk to develop cancer. Environmental factors, diet, and lifestyle play a crucial role in the development of several different neoplastic diseases, particularly gastrointestinal cancer. In this article, we aimed at focusing on foods and their components able to increase gastrointestinal cancer risk. RECENT FINDINGS During the last few years, major emphasis has been addressed on the relation between red meat and gastrointestinal cancer. Many potential mechanisms linked red meat consumption and cancer risk, including heterocyclic amines, polycyclic aromatic hydrocarbons, N-nitroso compounds, and heme iron. Other chemical substances, contaminating food, such as acrylamide, showed gastrointestinal carcinogenic properties. SUMMARY Correct diet and lifestyle are clinically relevant strategies in preventing gastrointestinal cancer. In the fight against cancer, nutritional educative intervention programs are necessary to spread the knowledge on healthy eating and appropriate nutrition to reduce cancer risk.
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Hobbs CA, Davis J, Shepard K, Chepelev N, Friedman M, Marroni D, Recio L. Differential genotoxicity of acrylamide in the micronucleus andPig-a gene mutation assays in F344 rats and B6C3F1 mice. Mutagenesis 2016; 31:617-626. [DOI: 10.1093/mutage/gew028] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Pelucchi C, Galeone C, Negri E, Bosetti C, Serraino D, Montella M, Talamini R, La Vecchia C. Dietary Acrylamide and the Risk of Endometrial Cancer: An Italian Case-Control. Nutr Cancer 2016; 68:187-92. [PMID: 26905095 DOI: 10.1080/01635581.2016.1142585] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The role of dietary acrylamide on the risk of hormone-related, and specifically endometrial, cancers is debated. Epidemiological data are scanty. Thus, we examined the relation between acrylamide intake and endometrial cancer risk in a case-control study conducted between 1992 and 2006 in 3 Italian areas. Cases were 454 women with incident, histologically confirmed endometrial cancer. Controls were 908 age-matched women admitted to the same network of hospitals of cases for acute, non-neoplastic conditions. We calculated multivariate odds ratios (OR) and 95% confidence intervals (CI) using logistic regression models. The OR of endometrial cancer for increasing quintiles of dietary acrylamide, as compared to the lowest one, were 1.02 (95% CI: 0.67-1.54), 1.20 (95% CI: 0.80-1.80), 1.00 (95% CI: 0.65-1.54) and 1.17 (95% CI: 0.73-1.85). The OR for an increase of 10 μg/day of dietary acrylamide was 1.00 (95% CI: 0.91-1.10). In subgroup analyses, the ORs for high vs. low acrylamide intake were 1.28 (95% CI: 0.73-2.25) in never smokers and 1.14 (95% CI: 0.45-2.90) in ever smokers. Our data do not support an association between dietary acrylamide intake and endometrial cancer.
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Affiliation(s)
- Claudio Pelucchi
- a Department of Epidemiology , IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy
| | - Carlotta Galeone
- a Department of Epidemiology , IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy
| | - Eva Negri
- a Department of Epidemiology , IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy
| | - Cristina Bosetti
- a Department of Epidemiology , IRCCS - Istituto di Ricerche Farmacologiche Mario Negri , Milan , Italy
| | - Diego Serraino
- b Unit of Epidemiology and Biostatistics, IRCCS - Centro di Riferimento Oncologico , Aviano , Italy
| | - Maurizio Montella
- c Unit of Epidemiology, Istituto Tumori "Fondazione Pascale" , Naples , Italy
| | - Renato Talamini
- d Unit of Epidemiology and Biostatistics, IRCCS - Centro di Riferimento Oncologico , Aviano , Italy
| | - Carlo La Vecchia
- e Department of Clinical Sciences and Community Health , University of Milan , Milan , Italy
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Bigne F, Puppo MC, Ferrero C. Fibre enrichment of wheat flour with mesquite (Prosopis spp.): Effect on breadmaking performance and staling. Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2015.09.028] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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82
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Pelucchi C, Bosetti C, Galeone C, La Vecchia C. Dietary acrylamide and cancer risk: an updated meta-analysis. Int J Cancer 2014; 136:2912-22. [PMID: 25403648 DOI: 10.1002/ijc.29339] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 11/05/2014] [Indexed: 01/26/2023]
Abstract
The debate on the potential carcinogenic effect of dietary acrylamide is open. In consideration of the recent findings from large prospective investigations, we conducted an updated meta-analysis on acrylamide intake and the risk of cancer at several sites. Up to July 2014, we identified 32 publications. We performed meta-analyses to calculate the summary relative risk (RR) of each cancer site for the highest versus lowest level of intake and for an increment of 10 µg/day of dietary acrylamide, through fixed-effects or random-effects models, depending on the heterogeneity test. Fourteen cancer sites could be examined. No meaningful associations were found for most cancers considered. The summary RRs for high versus low acrylamide intake were 0.87 for oral and pharyngeal, 1.14 for esophageal, 1.03 for stomach, 0.94 for colorectal, 0.93 for pancreatic, 1.10 for laryngeal, 0.88 for lung, 0.96 for breast, 1.06 for endometrial, 1.12 for ovarian, 1.00 for prostate, 0.93 for bladder and 1.13 for lymphoid malignancies. The RR was of borderline significance only for kidney cancer (RR = 1.20; 95% confidence interval, CI, 1.00-1.45). All the corresponding continuous estimates ranged between 0.95 and 1.03, and none of them was significant. Among never-smokers, borderline associations with dietary acrylamide emerged for endometrial (RR = 1.23; 95% CI, 1.00-1.51) and ovarian (RR = 1.39; 95% CI, 0.97-2.00) cancers. This systematic review and meta-analysis of epidemiological studies indicates that dietary acrylamide is not related to the risk of most common cancers. A modest association for kidney cancer, and for endometrial and ovarian cancers in never smokers only, cannot be excluded.
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Affiliation(s)
- Claudio Pelucchi
- Department of Epidemiology, IRCCS-Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy
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