1
|
Chang N, Wei Wei, Wang S, Hou S, Sui Y, Taoyang, He J, Ren Y, Chen G, Bu C. The metabolomics analysis of cecal contents elucidates significant metabolites involved in the therapeutic effects of total flavonoids derived from Sonchus arvensis L. in male C57BL/6 mice with ulcerative colitis. Heliyon 2024; 10:e32790. [PMID: 39005925 PMCID: PMC11239596 DOI: 10.1016/j.heliyon.2024.e32790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 06/09/2024] [Accepted: 06/10/2024] [Indexed: 07/16/2024] Open
Abstract
Ulcerative colitis (UC), an inflammatory disease affecting the colon and rectal mucosa, is characterized by chronic and heterogeneous behavior of unknown origin. The primary cause of UC is chronic inflammation, which is closely linked to the development of colorectal cancer. Sonchus arvensis L. (SAL), a plant consumed worldwide for its nutritional and medicinal properties, holds significance in this context. In this study, we employed the total flavone in SAL as a treatment for male C57BL/6 mice with UC. The cecal contents metabolic profile of C57BL/6 mice in different groups, including UC (group ML; n = 5), UC treated with aspirin (group AN; n = 5), UC treated with the total flavone in SAL (group FE; n = 5), and healthy male C57BL/6 mice (group CL; n = 5), was examined using UHPLC-Triple-TOF-MS. Through the identification of variations in key metabolites associated with UC and the exploration of their underlying biological mechanisms, our understanding of the pathological processes underlying this condition has been enhanced. This study identified a total of seventy-three metabolites that have a significant impact on UC. Notably, the composition of total flavone in SAL, a medication used for UC treatment, differs from that of aspirin due to the presence of four distinct metabolites (13,14-Dihydro-15-keto-PGE2, Prostaglandin I2 (PGI2), (20R,22R)-20,22-dihydroxycholesterol, and PS (18:1(9Z)/0:0)). These metabolites possess unique characteristics that set them apart. Moreover, the study identified a total of eleven pathways that were significantly enriched in mice with UC, including Aminoacyl-tRNA biosynthesis, Valine, leucine and isoleucine biosynthesis, Linoleic acid metabolism, PPAR signaling pathway, mTOR signaling pathway, Valine, leucine and isoleucine degradation, Lysine degradation, VEGF signaling pathway, Melanogenesis, Endocrine and other factor-regulated calcium reabsorption, and Cocaine addiction. These findings contribute to a better understanding of the metabolic variations in UC following total flavonoids of SAL therapy and provide valuable insights for the treatment of UC.Keywords: Ulcerative colitis; Total flavonoids of Sonchus arvensis L.; Key metabolites; Metabonomics; Cecal contents of male C57BL/6 mice.
Collapse
Affiliation(s)
| | - Wei Wei
- Daqing Oilfield Genaral Hospital, Daqing, 163319, China
| | | | | | - Yilei Sui
- Harbin Medical University 163319, China
| | - Taoyang
- Harbin Medical University 163319, China
| | - Jing He
- Harbin Medical University 163319, China
| | - Yachao Ren
- Harbin Medical University 163319, China
- School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, 300000, China
| | | | - Chunlei Bu
- Harbin Medical University 163319, China
- Fifth Affiliated Hospital, Harbin Medical University, Daqing, 163319, China
| |
Collapse
|
2
|
Association between Dietary Fatty Acid Patterns and Colorectal Cancer Risk: A Large-Scale Case-Control Study in China. Nutrients 2022; 14:nu14204375. [PMID: 36297059 PMCID: PMC9610713 DOI: 10.3390/nu14204375] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/10/2022] [Accepted: 10/14/2022] [Indexed: 11/17/2022] Open
Abstract
Associations of dietary fatty acids with the risk of colorectal cancer (CRC) remain controversial. The objective of this study was to examine whether dietary-derived fatty acid patterns were related to CRC risk among Chinese people. A total of 2806 CRC patients and 2806 frequency-matched controls were interviewed in this case-control study between July 2010 and May 2021. A food frequency questionnaire was used to gather information on dietary intake. Four fatty acid patterns were identified using factor analysis. The even-long-chain fatty acid pattern had no statistically significant association with CRC risk (adjusted Odds ratio (aOR), 1.16; 95% confidence interval (CI), 0.97–1.39; ptrend = 0.129). However, significant inverse associations were found between the medium-chain and long-chain saturated fatty acid (SFA) pattern (aOR, 0.34; 95%CI, 0.27–0.42), the highly unsaturated fatty acid pattern (aOR, 0.73; 95%CI, 0.60–0.88), the odd-chain fatty acid pattern (aOR, 0.69; 95%CI, 0.57–0.83), and CRC risk. The interaction between fatty acid patterns and sex was observed, and the association between the highly unsaturated fatty acid pattern and CRC risk differed by subsite. In conclusion, increasing the intakes of foods rich in medium-chain SFAs, highly unsaturated fatty acids, and odd-chain fatty acids may be related to a lower risk of CRC.
Collapse
|
3
|
Gholamalizadeh M, Majidi N, Tajaddod S, Abdollahi S, Poorhosseini SM, Ahmadzadeh M, Naimi Joubani M, Mirzaei Dahka S, Shafaei H, Hajiesmaeil M, Alizadeh A, Doaei S, Houshiar-Rad A. Interactions of Colorectal Cancer, Dietary Fats, and Polymorphisms of Arachidonate Lipoxygenase and Cyclooxygenase Genes: A Literature Review. Front Oncol 2022; 12:865208. [PMID: 35928873 PMCID: PMC9343633 DOI: 10.3389/fonc.2022.865208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 05/26/2022] [Indexed: 11/13/2022] Open
Abstract
ObjectiveGenetics and dietary factors play important roles in the development of colorectal cancer (CRC). However, the underlying mechanisms of the interactions between CRC, gene polymorphisms, and dietary fat are unclear. This review study investigated the effects of polymorphisms of arachidonate lipoxygenase (ALOX) and cyclooxygenase (COX) genes in the association between CRC and dietary fat.MethodsAll the related papers published from 2000 to 2022 were collected from different databases such as PubMed, Science Direct, Scopus, and Cochran using related keywords such as colorectal cancer, ALOX, COX, polymorphism, and dietary fat. Non-English and unrelated documents were excluded.ResultsSome single-nucleotide polymorphisms (SNPs) in the ALOX and COX genes, such as rs2228065, rs6413416, and rs4986832 in the ALOX gene, and rs689465 in the COX gene may play significant roles in the association between the risk of CRC and dietary fats. SNPs of ALOX and COX genes may influence the effects of dietary fatty acids on the risk of CRC.ConclusionSome polymorphisms of the ALOX and COX genes may have important roles in the effects of dietary fat on the risk of CRC. If future studies confirm these results, dietary recommendations for preventing colorectal cancer may be personalized based on the genotype of the ALOX and COX genes.
Collapse
Affiliation(s)
- Maryam Gholamalizadeh
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nazanin Majidi
- Department of Nutrition, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Shirin Tajaddod
- Department of Nutrition, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Sepideh Abdollahi
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Mohammad Poorhosseini
- Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mina Ahmadzadeh
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Naimi Joubani
- Research Center of Health and Enviroment, School of Health, Guilan University of Medical Sciences, Rasht, Iran
| | | | - Hanieh Shafaei
- Nursing and Midwifery School, Guilan University of Medical Sciences, Rasht, Iran
| | - Mogge Hajiesmaeil
- Department of Biology and Biotechnology ”Charles Darwin”, Sapienza University of Rome, Rome, Italy
| | - Atiyeh Alizadeh
- Department of Pharmacognosy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeid Doaei
- Reproductive Health Research Center, Department of Obstetrics and Gynecology, School of Medicine, Al-Zahra Hospital, Guilan University of Medical Sciences, Rasht, Iran
- *Correspondence: Saeid Doaei, ; Anahita Houshiar-Rad,
| | - Anahita Houshiar-Rad
- Dept. of Nutrition Research, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- *Correspondence: Saeid Doaei, ; Anahita Houshiar-Rad,
| |
Collapse
|
4
|
Walkiewicz K, Janion K, Gętek-Paszek M, Nowakowska-Zajdel E. The role of linoleic and α-linolenic acids and their
metabolites in maintaining chronic inflammation
and developing colorectal cancer. POSTEP HIG MED DOSW 2020. [DOI: 10.5604/01.3001.0014.4864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
For many years it has been postulated the role of dietary factors, in particular the consumption
of fatty acids, in the development of cancer. It has been confirmed in numerous
epidemiological observations, as well as the experimental studies on cell lines. Despite numerous
studies the role of various fatty acids and their metabolites, has not been clearly
established. Among others there are still under investigation on the importance of linoleic
acid, belonging to the group of polyunsaturated omega-6. Because of the diversity of
scientific reports authors of this publication are trying to make a critical synthesis analysis
of current knowledge of the postulated role of linoleic acid in development of colon cancer.
And they also attempt to draw practical conclusions from them. The ability to modify
their lifestyle, including dietary habits, and their real impact on the development of
malignancies is a very important area of research, and can have an impact on the cancer epidemiology. Based on currently available data, dietary recommendations can be made for
individual polyunsaturated fatty acid. It is recommended that in adults the LA share was
4% of the energy value of the diet, while the α-linolenic acid share was 0.5% of the energy
value of the diet. In addition, in order to provide the right amount of docosahexaenoic acid
and eicosapentaenoic acid, it is recommended to include at least 2 portions of fish per week,
including 1 portion of oily fish.
Collapse
Affiliation(s)
| | - Karolina Janion
- Zakład Profilaktyki Chorób Żywieniowozależnych, Katedra Profilaktyki Chorób Metabolicznych, Wydział Nauk o Zdrowiu w Bytomiu, Śląski Uniwersytet Medyczny w Katowicach
| | | | | |
Collapse
|
5
|
Ferreira I, Gomes-Bispo A, Lourenço H, Matos J, Afonso C, Cardoso C, Castanheira I, Motta C, Prates JAM, Bandarra NM. The chemical composition and lipid profile of the chub mackerel (Scomber colias) show a strong seasonal dependence: Contribution to a nutritional evaluation. Biochimie 2020; 178:181-189. [PMID: 32980464 DOI: 10.1016/j.biochi.2020.09.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 09/10/2020] [Accepted: 09/21/2020] [Indexed: 12/27/2022]
Abstract
The seasonal variation in chemical and lipid composition of chub mackerel (Scomber colias) was evaluated monthly over one year (proximate chemical composition and lipid profile: fatty acid (FA) and lipid classes distribution). Significant seasonal changes regarding fat content were noticed (1.3-10.3 g/100 g), with the lowest fat content obtained in February (during spawning period), and the highest in September. Regarding the FA profile, the main fluctuations were recorded in saturated (SFA) and polyunsaturated fatty acids (PUFA). The highest SFA content was registered between March and August (25.3-32.3%). PUFA (the most abundant group) reached its maximum percentual content between December and February (60.9 and 66.9%, respectively). In absolute terms, PUFA attained 5352.6 mg/100 g edible part in September, where 2473.8 mg/100 g of docosahexaenoic acid (DHA, C22:6n-3), representing 46.2% of total PUFA. DHA lowest level was 519.8 mg/100 g, registered in low-fat chub mackerel. Together DHA and EPA (eicosapentaenoic acid, C20:5n-3) represented 75% of the total PUFA and 84% of n-3 PUFA. Triacylglycerols (TAG) with 82.2-92.1% of total lipid content) and phospholipids (4.4-8.4%) were the main lipid classes. Polar lipid fraction (phospholipids), was predominantly constituted by PUFA (68.6-74.5%), mainly DHA (45.2-55.1%), with the highest percentage recorded in low-fat chub mackerel. High relative contents of PUFA (36.6-49.1%) were also found in TAG. Having into account the data obtained, chub mackerel is a privileged source of DHA even in a lean species whereby its consumption should be recommended as part a healthy dietary regime.
Collapse
Affiliation(s)
- Inês Ferreira
- Division of Aquaculture, Upgrading and Bioprospection (DivAV), Portuguese Institute for the Sea and Atmosphere (IPMA, I.P.), Avenida Alfredo Magalhães Ramalho, 6, 1495-165 Algés, Portugal; University of Lisbon, Faculty of Sciences, Campo Grande, 16, 1749-016 Lisbon, Portugal
| | - Ana Gomes-Bispo
- Division of Aquaculture, Upgrading and Bioprospection (DivAV), Portuguese Institute for the Sea and Atmosphere (IPMA, I.P.), Avenida Alfredo Magalhães Ramalho, 6, 1495-165 Algés, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Rua dos Bragas 289, 4050-123 Porto, Portugal.
| | - Helena Lourenço
- Division of Aquaculture, Upgrading and Bioprospection (DivAV), Portuguese Institute for the Sea and Atmosphere (IPMA, I.P.), Avenida Alfredo Magalhães Ramalho, 6, 1495-165 Algés, Portugal
| | - Joana Matos
- Division of Aquaculture, Upgrading and Bioprospection (DivAV), Portuguese Institute for the Sea and Atmosphere (IPMA, I.P.), Avenida Alfredo Magalhães Ramalho, 6, 1495-165 Algés, Portugal; University of Lisbon, Faculty of Sciences, Campo Grande, 16, 1749-016 Lisbon, Portugal
| | - Cláudia Afonso
- Division of Aquaculture, Upgrading and Bioprospection (DivAV), Portuguese Institute for the Sea and Atmosphere (IPMA, I.P.), Avenida Alfredo Magalhães Ramalho, 6, 1495-165 Algés, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Rua dos Bragas 289, 4050-123 Porto, Portugal
| | - Carlos Cardoso
- Division of Aquaculture, Upgrading and Bioprospection (DivAV), Portuguese Institute for the Sea and Atmosphere (IPMA, I.P.), Avenida Alfredo Magalhães Ramalho, 6, 1495-165 Algés, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Rua dos Bragas 289, 4050-123 Porto, Portugal
| | - Isabel Castanheira
- Instituto Nacional de Saúde Doutor Ricardo Jorge, Av. Padre Cruz, 1600-560 Lisbon, Portugal
| | - Carla Motta
- Instituto Nacional de Saúde Doutor Ricardo Jorge, Av. Padre Cruz, 1600-560 Lisbon, Portugal
| | - José A M Prates
- Centro de Investigação Interdisciplinar em Sanidade Animal (CIISA), Faculdade de Medicina Veterinária, Universidade de Lisboa, 1300-477 Lisbon, Portugal
| | - Narcisa M Bandarra
- Division of Aquaculture, Upgrading and Bioprospection (DivAV), Portuguese Institute for the Sea and Atmosphere (IPMA, I.P.), Avenida Alfredo Magalhães Ramalho, 6, 1495-165 Algés, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Rua dos Bragas 289, 4050-123 Porto, Portugal
| |
Collapse
|
6
|
Pickens CA, Albuquerque Pereira MDF, Fenton JI. Long-chain ω-6 plasma phospholipid polyunsaturated fatty acids and association with colon adenomas in adult men: a cross-sectional study. Eur J Cancer Prev 2018; 26:497-505. [PMID: 27768609 DOI: 10.1097/cej.0000000000000312] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Dietary lipid intake can be associated with an increased risk for colorectal cancer depending on its composition. Carcinogenesis alters lipid metabolism to facilitate cell growth and survival. For instance, metabolites of polyunsaturated fatty acids (PUFAs) are associated with increasing colon cell proliferation. Moreover, precancerous colon lesions (i.e. adenomas) increase the risk for colorectal cancer. In this study, we investigated associations between plasma PUFAs and the number of colon polyps and polyp type (i.e. hyperplastic and adenoma). Healthy male participants (n=126) of 48-65 years of age were recruited before a routine colonoscopy screening. Plasma phospholipid (PPL) PUFAs were isolated by means of solid phase extraction and methylated. Fatty acid methyl esters were analyzed using gas chromatography. Factor analysis was used to cluster PUFAs into groups, and then generated factors and individual PUFAs were analyzed using polytomous logistic regression. In our age-adjusted and smoking-adjusted polytomous logistic regression, for each unit increase in PPL docosatetraenoic acid (DTA), individuals were 1.43 (1.00-2.06) and 1.33 (0.99-1.80) times more likely to have hyperplastic polyps and adenomas rather than no polyps, respectively. In our factor analysis, high PPL ω-6 PUFA and trans-fatty acid loading scores were associated with increased odds of adenoma presence rather than no polyps. Increases in long-chain PPL ω-6 PUFAs are associated with an increased risk for adenomas. As relative levels of DTA increase in PPLs, individuals had increased odds of having hyperplastic polyps and adenomas. Elevated conversion of ω-6 PUFAs to longer-chain ω-6s such as DTA may indicate altered PUFA metabolism at the tissue level.
Collapse
Affiliation(s)
- Charles A Pickens
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, Michigan, USA
| | | | | |
Collapse
|
7
|
Triff K, McLean MW, Callaway E, Goldsby J, Ivanov I, Chapkin RS. Dietary fat and fiber interact to uniquely modify global histone post-translational epigenetic programming in a rat colon cancer progression model. Int J Cancer 2018; 143:1402-1415. [PMID: 29659013 DOI: 10.1002/ijc.31525] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Revised: 02/21/2018] [Accepted: 03/22/2018] [Indexed: 12/15/2022]
Abstract
Dietary fermentable fiber generates short-chain fatty acids (SCFA), for example, butyrate, in the colonic lumen which serves as a chemoprotective histone deacetylase inhibitor and/or as an acetylation substrate for histone acetylases. In addition, n-3 polyunsaturated fatty acids (n-3 PUFA) in fish oil can affect the chromatin landscape by acting as ligands for tumor suppressive nuclear receptors. In an effort to gain insight into the global dimension of post-translational modification of histones (including H3K4me3 and H3K9ac) and clarify the chemoprotective impact of dietary bioactive compounds on transcriptional control in a preclinical model of colon cancer, we generated high-resolution genome-wide RNA (RNA-Seq) and "chromatin-state" (H3K4me3-seq and H3K9ac-seq) maps for intestinal (epithelial colonocytes) crypts in rats treated with a colon carcinogen and fed diets containing bioactive (i) fish oil, (ii) fermentable fiber (a rich source of SCFA), (iii) a combination of fish oil plus pectin, or (iv) control, devoid of fish oil or pectin. In general, poor correlation was observed between differentially transcribed (DE) and enriched genes (DERs) at multiple epigenetic levels. The combinatorial diet (fish oil + pectin) uniquely affected transcriptional profiles in the intestinal epithelium, for example, upregulating lipid catabolism and beta-oxidation associated genes. These genes were linked to activated ligand-dependent nuclear receptors associated with n-3 PUFA and were also correlated with the mitochondrial L-carnitine shuttle and the inhibition of lipogenesis. These findings demonstrate that the chemoprotective fish oil + pectin combination diet uniquely induces global histone state modifications linked to the expression of chemoprotective genes.
Collapse
Affiliation(s)
- Karen Triff
- Department of Nutrition and Food Science - Program in Integrative Nutrition and Complex Diseases, Texas A&M University, College Station, TX
- Department of Biology, Texas A&M University, College Station, TX
| | - Mathew W McLean
- Department of Statistics, Texas A&M University, College Station, TX
| | - Evelyn Callaway
- Department of Nutrition and Food Science - Program in Integrative Nutrition and Complex Diseases, Texas A&M University, College Station, TX
| | - Jennifer Goldsby
- Department of Nutrition and Food Science - Program in Integrative Nutrition and Complex Diseases, Texas A&M University, College Station, TX
| | - Ivan Ivanov
- Veterinary Physiology & Pharmacology, Texas A&M University, College Station, TX
| | - Robert S Chapkin
- Department of Nutrition and Food Science - Program in Integrative Nutrition and Complex Diseases, Texas A&M University, College Station, TX
| |
Collapse
|
8
|
Impact of dietary compounds on cancer-related gut microbiota and microRNA. Appl Microbiol Biotechnol 2018; 102:4291-4303. [PMID: 29589094 DOI: 10.1007/s00253-018-8935-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Revised: 03/12/2018] [Accepted: 03/13/2018] [Indexed: 02/07/2023]
Abstract
Cancer is one of the most common causes of death worldwide. Extensive research has been conducted on cancer; regardless, the link between cancer and diet remains undetermined. Recent studies have emphasized the importance of miRNAs in cancer-associated pathways from the perspective of dietary modulation. We highlighted the recent data on dietary modulation of gut microbiota and miRNAs related to cancer on the basis of recently published results. The targets of miRNAs are oncogenes or tumor suppressors that mediate the progression and initiation of carcinogenesis. Different miRNAs display complex expression profiles in response to dietary manipulation. Various dietary components, such as fatty acids, resveratrol, isothiocyanate, and curcumin, have been effectively used in cancer prevention and treatment. This potency is attributed to the capability of these components to alter miRNA expression, thereby modulating the vital pathways involved in metastasis, invasion, apoptosis, tumor growth, and cell proliferation.
Collapse
|
9
|
Zhou CB, Fang JY. The regulation of host cellular and gut microbial metabolism in the development and prevention of colorectal cancer. Crit Rev Microbiol 2018; 44:436-454. [PMID: 29359994 DOI: 10.1080/1040841x.2018.1425671] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Metabolism regulation is crucial in colorectal cancer (CRC) and has emerged as a remarkable field currently. The cellular metabolism of glucose, amino acids and lipids in CRC are all reprogrammed. Each of them changes tumour microenvironment, modulates bacterial composition and activity, and eventually promotes CRC development. Metabolites such as short chain fatty acids, secondary bile acids, N-nitroso compounds, hydrogen sulphide, polyphenols and toxins like fragilysin, FadA, cytolethal distending toxin and colibactin play a dual role in CRC. The relationship of gut microbe-metabolite is essential in remodelling intestinal microbial ecology composition and metabolic activity. It regulates the metabolism of colonic epithelial cells and changes the tumour microenvironment in CRC. Microbial metabolism manipulation has been considered to be potentially preventive in CRC, but more large-scale clinical trials are required before their application in clinical practice in the near future.
Collapse
Affiliation(s)
- Cheng-Bei Zhou
- a Division of Gastroenterology and Hepatology , Shanghai Jiao-Tong University School of Medicine Renji Hospital, Key Laboratory of Gastroenterology & Hepatology, Ministry of Health, State Key Laboratory of Oncogene and Related Gene. Shanghai Institute of Digestive Disease , Shanghai , China
| | - Jing-Yuan Fang
- a Division of Gastroenterology and Hepatology , Shanghai Jiao-Tong University School of Medicine Renji Hospital, Key Laboratory of Gastroenterology & Hepatology, Ministry of Health, State Key Laboratory of Oncogene and Related Gene. Shanghai Institute of Digestive Disease , Shanghai , China
| |
Collapse
|
10
|
Abstract
Colorectal cancer (CRC) is the second leading cause of cancer-related deaths. Understanding its pathophysiology is essential for developing efficient strategies to treat this disease. Lipidome, the sum of total lipids, related enzymes, receptors and signaling pathways, plays crucial roles in multiple cellular processes, such as metabolism, energy storage, proliferation and apoptosis. Dysregulation of lipid metabolism and function contributes to the development of CRC, and can be used towards the evaluation of prognosis. The strategies targeting lipidome have been applied in clinical trails and showed promising results. Here we discuss recent advances in abnormal lipid metabolism in CRC, the mechanisms by which the lipidome regulates tumorigenesis and tumor progression, and suggest potential therapeutic targets for clinical trials.
Collapse
|
11
|
Aguirre-Portolés C, Fernández LP, Ramírez de Molina A. Precision Nutrition for Targeting Lipid Metabolism in Colorectal Cancer. Nutrients 2017; 9:nu9101076. [PMID: 28956850 PMCID: PMC5691693 DOI: 10.3390/nu9101076] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 09/20/2017] [Accepted: 09/25/2017] [Indexed: 12/16/2022] Open
Abstract
Cancer is a multistage and multifactorial condition with genetic and environmental factors modulating tumorogenesis and disease progression. Nevertheless, cancer is preventable, as one third of cancer deaths could be avoided by modifying key risk factors. Nutrients can directly affect fundamental cellular processes and are considered among the most important risk factors in colorectal cancer (CRC). Red and processed meat, poultry consumption, fiber, and folate are the best-known diet components that interact with colorectal cancer susceptibility. In addition, the direct association of an unhealthy diet with obesity and dysbiosis opens new routes in the understanding of how daily diet nutrients could influence cancer prognosis. In the “omics” era, traditional nutrition has been naturally evolved to precision nutrition where technical developments have contributed to a more accurate discipline. In this sense, genomic and transcriptomic studies have been extensively used in precision nutrition approaches. However, the relation between CRC carcinogenesis and nutrition factors is more complex than originally expected. Together with classical diet-nutrition-related genes, nowadays, lipid-metabolism-related genes have acquired relevant interest in precision nutrition studies. Lipids regulate very diverse cellular processes from ATP synthesis and the activation of essential cell-signaling pathways to membrane organization and plasticity. Therefore, a wide range of tumorogenic steps can be influenced by lipid metabolism, both in primary tumours and distal metastasis. The extent to which genetic variants, together with the intake of specific dietary components, affect the risk of CRC is currently under investigation, and new therapeutic or preventive applications must be explored in CRC models. In this review, we will go in depth into the study of co-occurring events, which orchestrate CRC tumorogenesis and are essential for the evolution of precision nutrition paradigms. Likewise, we will discuss the application of precision nutrition approaches to target lipid metabolism in CRC.
Collapse
Affiliation(s)
- Cristina Aguirre-Portolés
- Molecular Oncology and Nutritional Genomics of Cancer Group, IMDEA Food Institute, CEI UAM + CSIC, Carretera de Cantoblanco 8, E-28049 Madrid, Spain.
| | - Lara P Fernández
- Molecular Oncology and Nutritional Genomics of Cancer Group, IMDEA Food Institute, CEI UAM + CSIC, Carretera de Cantoblanco 8, E-28049 Madrid, Spain.
| | - Ana Ramírez de Molina
- Molecular Oncology and Nutritional Genomics of Cancer Group, IMDEA Food Institute, CEI UAM + CSIC, Carretera de Cantoblanco 8, E-28049 Madrid, Spain.
| |
Collapse
|
12
|
Rifkin SB, Shrubsole MJ, Cai Q, Smalley WE, Ness RM, Swift LL, Zheng W, Murff HJ. PUFA levels in erythrocyte membrane phospholipids are differentially associated with colorectal adenoma risk. Br J Nutr 2017; 117:1615-1622. [PMID: 28660850 PMCID: PMC5891121 DOI: 10.1017/s0007114517001490] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Dietary intake of PUFA has been associated with colorectal neoplasm risk; however, results from observational studies have been inconsistent. Most prior studies have utilised self-reported dietary measures to assess fatty acid exposure which might be more susceptible to measurement error and biases compared with biomarkers. The purpose of this study was to determine whether erythrocyte phospholipid membrane PUFA percentages are associated with colorectal adenoma risk. We included data from 904 adenoma cases and 835 polyp-free controls who participated in the Tennessee Colorectal Polyp Study, a large colonoscopy-based case-control study. Erythrocyte membrane PUFA percentages were measured using GC. Conditional logistic regression was used to calculate adjusted OR for risk of colorectal adenomas with erythrocyte membrane PUFA. Higher erythrocyte membrane percentages of arachidonic acid was associated with an increased risk of colorectal adenomas (adjusted OR 1·66; 95 % CI 1·05, 2·62, P trend=0·02) comparing the highest tertile to the lowest tertile. The effect size for arachidonic acid was more pronounced when restricting the analysis to advanced adenomas only. Higher erythrocyte membrane EPA percentages were associated with a trend towards a reduced risk of advanced colorectal adenomas (P trend=0·05). Erythrocyte membrane arachidonic acid percentages are associated with an increased risk of colorectal adenomas.
Collapse
Affiliation(s)
- Samara B Rifkin
- 1Division of Gastroenterology and Hepatology,Johns Hopkins University School of Medicine,1800 Orleans Street,Baltimore, MD 21287,USA
| | - Martha J Shrubsole
- 2Division of Epidemiology,Vanderbilt University Medical Center,2525 West End Avenue,Suite 800,Nashville, TN 37203,USA
| | - Qiuyin Cai
- 2Division of Epidemiology,Vanderbilt University Medical Center,2525 West End Avenue,Suite 800,Nashville, TN 37203,USA
| | - Walter E Smalley
- 4Department of Health Policy,Vanderbilt University Medical Center,2525 West End Avenue,Suite 1200, Nashville, TN 37203,USA
| | - Reid M Ness
- 5Division of Gastroenterology,Vanderbilt University Medical Center,1211 Medical Center Drive,Nashville, TN 37232,USA
| | - Larry L Swift
- 6Department of Pathology, Microbiology and Immunology,Vanderbilt University Medical Center,1211 Medical Center Drive,Nashville, TN 37232,USA
| | - Wei Zheng
- 2Division of Epidemiology,Vanderbilt University Medical Center,2525 West End Avenue,Suite 800,Nashville, TN 37203,USA
| | - Harvey J Murff
- 3Geriatric Research Education and Clinical Center (GRECC),Department of Veterans Affairs,Tennessee Valley Healthcare System,1310 24th Avenue S,Nashville, TN 37212,USA
| |
Collapse
|
13
|
Steppeler C, Sødring M, Egelandsdal B, Kirkhus B, Oostindjer M, Alvseike O, Gangsei LE, Hovland EM, Pierre F, Paulsen JE. Effects of dietary beef, pork, chicken and salmon on intestinal carcinogenesis in A/J Min/+ mice. PLoS One 2017; 12:e0176001. [PMID: 28426718 PMCID: PMC5398569 DOI: 10.1371/journal.pone.0176001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2016] [Accepted: 04/04/2017] [Indexed: 01/26/2023] Open
Abstract
The International Agency for Research on Cancer has classified red meat as “probably carcinogenic to humans” (Group 2A). In mechanistic studies exploring the link between intake of red meat and CRC, heme iron, the pigment of red meat, is proposed to play a central role as a catalyzer of luminal lipid peroxidation and cytotoxicity. In the present work, the novel A/J Min/+ mouse was used to investigate the effects of dietary beef, pork, chicken, or salmon (40% muscle food (dry weight) and 60% powder diet) on Apc-driven intestinal carcinogenesis, from week 3–13 of age. Muscle food diets did not differentially affect carcinogenesis in the colon (flat ACF and tumors). In the small intestine, salmon intake resulted in a lower tumor size and load than did meat from terrestrial animals (beef, pork or chicken), while no differences were observed between the effects of white meat (chicken) and red meat (pork and beef). Additional results indicated that intestinal carcinogenesis was not related to dietary n-6 polyunsaturated fatty acids, intestinal formation of lipid peroxidation products (thiobarbituric acid reactive substances, TBARS), or cytotoxic effects of fecal water on Apc-/+ cells. Notably, the amount of heme reaching the colon appeared to be relatively low in this study. The greatest tumor load was induced by the reference diet RM1, underlining the importance of the basic diets in experimental CRC. The present study in A/J Min/+ mice does not support the hypothesis of a role of red meat in intestinal carcinogenesis.
Collapse
Affiliation(s)
- Christina Steppeler
- Department of Food Safety and Infection Biology, Norwegian University of Life Sciences, Oslo, Norway
- * E-mail:
| | - Marianne Sødring
- Department of Food Safety and Infection Biology, Norwegian University of Life Sciences, Oslo, Norway
| | - Bjørg Egelandsdal
- Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | - Bente Kirkhus
- Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, Ås, Norway
| | - Marije Oostindjer
- Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | - Ole Alvseike
- Animalia–Norwegian Meat and Poultry Research Centre, Oslo, Norway
| | | | | | - Fabrice Pierre
- INRA UMR1331 Toxalim (Research Center in Food Toxicology), University of Toulouse, Toulouse, France
| | - Jan Erik Paulsen
- Department of Food Safety and Infection Biology, Norwegian University of Life Sciences, Oslo, Norway
| |
Collapse
|
14
|
Sumiyoshi M, Kimura Y. Effects of a High-Fat or High-Sucrose Diet on Ultraviolet B Irradiation-Induced Carcinogenesis and Tumor Growth in Melanin-Possessing Hairless Mice. Nutr Cancer 2016; 68:791-803. [PMID: 27046042 DOI: 10.1080/01635581.2016.1159703] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
We herein compared the effects of the chronic feeding of high-fat (HF), high-sucrose (HS), and low-fat/low-sucrose (control) diets on carcinogenesis following chronic ultraviolet B (UVB) irradiation in hairless mice. UVB irradiation-induced carcinogenesis was more prominent in HF diet-fed group than in control diet- and HS diet-fed groups. The HS diet group, as well as the HF diet one, showed tumor development and growth, increased skin matrix metalloproteinase (MMP) and blood plasminogen activator inhibitor-1 (PAI-1) levels, and decreased blood leptin and adiponectin levels after long-term UVB irradiation. These changes were smaller in the HS diet group than in the HF diet group. In addition, no difference was noted in the above changes between the control and HS diet groups. The increase induced in adipose tissue weight by the HF diet was markedly reduced by UVB irradiation. This result suggests that the abundant availability of lipids in hypertrophic adipose tissue may be related to tumor incidence and growth through increases in blood PAI-1 and skin MMP-9 expression levels and decreases in blood adiponectin levels by UVB irradiation. In conclusion, HF diet-induced hypertrophic adipose tissue is an important cancer risk factor that promotes UV irradiation-induced carcinogenesis and tumor growth.
Collapse
Affiliation(s)
- Maho Sumiyoshi
- a Division of Biochemical Pharmacology , Department of Basic Medical Research, Ehime University, Graduate School of Medicine , Shitsukawa, Toon City , Ehime , Japan
| | - Yoshiyuki Kimura
- a Division of Biochemical Pharmacology , Department of Basic Medical Research, Ehime University, Graduate School of Medicine , Shitsukawa, Toon City , Ehime , Japan
| |
Collapse
|
15
|
Ostan R, Lanzarini C, Pini E, Scurti M, Vianello D, Bertarelli C, Fabbri C, Izzi M, Palmas G, Biondi F, Martucci M, Bellavista E, Salvioli S, Capri M, Franceschi C, Santoro A. Inflammaging and cancer: a challenge for the Mediterranean diet. Nutrients 2015; 7:2589-621. [PMID: 25859884 PMCID: PMC4425163 DOI: 10.3390/nu7042589] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Revised: 03/19/2015] [Accepted: 03/24/2015] [Indexed: 12/19/2022] Open
Abstract
Aging is considered the major risk factor for cancer, one of the most important mortality causes in the western world. Inflammaging, a state of chronic, low-level systemic inflammation, is a pervasive feature of human aging. Chronic inflammation increases cancer risk and affects all cancer stages, triggering the initial genetic mutation or epigenetic mechanism, promoting cancer initiation, progression and metastatic diffusion. Thus, inflammaging is a strong candidate to connect age and cancer. A corollary of this hypothesis is that interventions aiming to decrease inflammaging should protect against cancer, as well as most/all age-related diseases. Epidemiological data are concordant in suggesting that the Mediterranean Diet (MD) decreases the risk of a variety of cancers but the underpinning mechanism(s) is (are) still unclear. Here we review data indicating that the MD (as a whole diet or single bioactive nutrients typical of the MD) modulates multiple interconnected processes involved in carcinogenesis and inflammatory response such as free radical production, NF-κB activation and expression of inflammatory mediators, and the eicosanoids pathway. Particular attention is devoted to the capability of MD to affect the balance between pro- and anti-inflammaging as well as to emerging topics such as maintenance of gut microbiota (GM) homeostasis and epigenetic modulation of oncogenesis through specific microRNAs.
Collapse
Affiliation(s)
- Rita Ostan
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Catia Lanzarini
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
- Interdepartmental Centre "L. Galvani" (CIG) University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Elisa Pini
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Maria Scurti
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Dario Vianello
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Claudia Bertarelli
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Cristina Fabbri
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Massimo Izzi
- Interdepartmental Centre "L. Galvani" (CIG) University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Giustina Palmas
- Interdepartmental Centre "L. Galvani" (CIG) University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Fiammetta Biondi
- Interdepartmental Centre "L. Galvani" (CIG) University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Morena Martucci
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Elena Bellavista
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
- Interdepartmental Centre "L. Galvani" (CIG) University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Stefano Salvioli
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
- Interdepartmental Centre "L. Galvani" (CIG) University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Miriam Capri
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
- Interdepartmental Centre "L. Galvani" (CIG) University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| | - Claudio Franceschi
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
- IRCCS, Institute of Neurological Sciences, Via Altura 3, 40139 Bologna, Italy.
- National Research Council of Italy, CNR, Institute for Organic Synthesis and Photoreactivity (ISOF), Via P. Gobetti 101, 40129 Bologna, Italy.
| | - Aurelia Santoro
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 12, 40126 Bologna, Italy.
| |
Collapse
|
16
|
Agbarya A, Ruimi N, Epelbaum R, Ben-Arye E, Mahajna J. Natural products as potential cancer therapy enhancers: A preclinical update. SAGE Open Med 2014; 2:2050312114546924. [PMID: 26770737 PMCID: PMC4607199 DOI: 10.1177/2050312114546924] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Accepted: 07/18/2014] [Indexed: 12/23/2022] Open
Abstract
Cancer is a multifactorial disease that arises as a consequence of alterations in many physiological processes. Recently, hallmarks of cancer were suggested that include sustaining proliferative signaling, evading growth suppressors, resisting cell death, enabling replicative immortality, inducing angiogenesis, and activating invasion and metastasis, along with two emerging hallmarks including reprogramming energy metabolism and escaping immune destruction. Treating multifactorial diseases, such as cancer with agents targeting a single target, might provide partial treatment and, in many cases, disappointing cure rates. Epidemiological studies have consistently shown that the regular consumption of fruits and vegetables is strongly associated with a reduced risk of developing chronic diseases, such as cardiovascular diseases and cancer. Since ancient times, plants, herbs, and other natural products have been used as healing agents. Moreover, the majority of the medicinal substances available today have their origin in natural compounds. Traditionally, pharmaceuticals are used to cure diseases, and nutrition and herbs are used to prevent disease and to provide an optimal balance of macro- and micro-nutrients needed for good health. We explored the combination of natural products, dietary nutrition, and cancer chemotherapeutics for improving the efficacy of cancer chemotherapeutics and negating side effects.
Collapse
Affiliation(s)
- Abed Agbarya
- Thoracic Oncology Clinic, Division of Oncology, Rambam Health Care Campus, Haifa, Israel
| | - Nili Ruimi
- Cancer Drug Discovery Program, MIGAL-Galilee Research Institute, Kiryat Shmona, Israel
| | - Ron Epelbaum
- Thoracic Oncology Clinic, Division of Oncology, Rambam Health Care Campus, Haifa, Israel
| | - Eran Ben-Arye
- Complementary and Traditional Medicine Unit, Department of Family Medicine, Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel; Integrative Oncology Program, The Oncology Service, Lin Medical center, Clalit Health Services, Haifa and Western Galilee District, Israel
| | - Jamal Mahajna
- Cancer Drug Discovery Program, MIGAL-Galilee Research Institute, Kiryat Shmona, Israel; Department of Nutritional Sciences, Tel-Hai College, Kiryat Shmona, Israel
| |
Collapse
|
17
|
Choi YH. Linoleic Acid-Induced Growth Inhibition of Human Gastric Epithelial Adenocarcinoma AGS Cells is Associated with Down-Regulation of Prostaglandin E2 Synthesis and Telomerase Activity. J Cancer Prev 2014; 19:31-8. [PMID: 25337570 PMCID: PMC4189473 DOI: 10.15430/jcp.2014.19.1.31] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 03/14/2014] [Accepted: 03/16/2014] [Indexed: 11/03/2022] Open
Affiliation(s)
- Yung Hyun Choi
- Correspondence to: Yung Hyun Choi, Department of Biochemistry, Dongeui University College of Oriental Medicine, San 45, Yangjung-dong, Busanjin-gu, Busan 614-052, Korea Tel: +82-51-850-7413, Fax: +82-51-853-4036, E-mail:
| |
Collapse
|
18
|
Moldal T, Løkka G, Wiik-Nielsen J, Austbø L, Torstensen BE, Rosenlund G, Dale OB, Kaldhusdal M, Koppang EO. Substitution of dietary fish oil with plant oils is associated with shortened mid intestinal folds in Atlantic salmon (Salmo salar). BMC Vet Res 2014; 10:60. [PMID: 24606841 PMCID: PMC3973862 DOI: 10.1186/1746-6148-10-60] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Accepted: 02/25/2014] [Indexed: 02/06/2023] Open
Abstract
Background Fish meal and fish oil are increasingly replaced by ingredients from terrestrial sources in the feeds for farmed salmonids due to expanding production and reduced availability of marine feed raw material. Fish oil that is rich in n-3 polyunsaturated fatty acids is considered beneficial to human health in general and to prevent intestinal inflammation and carcinogenesis in particular. In contrast, n-6 fatty acids that are present in many vegetable oils have been associated with increased risk of colitis and colon cancer in rodents and humans, as well as lowered transcription levels of certain stress and antioxidant-related genes in Atlantic salmon. The aim of the present study was to investigate the intestinal health in Atlantic salmon fed with different vegetable oils as partial substitutes of fish oil in the diet. A feed trial lasting for 28 weeks included one reference diet containing fish oil as the sole lipid source and three diets where 80% of the fish oil was replaced by a plant oil blend with either olive oil, rapeseed oil or soybean oil as the main lipid source. These plant oils have intermediate or low n-3/n-6-ratios compared to fish oil having a high n-3/n-6-ratio. The protein and carbohydrate fractions were identical in all the feeds. Results Morphometric measurements showed significantly shorter folds in the mid intestine in all groups fed vegetable oils compared to the group fed fish oil. In the distal intestine, the complex folds were significantly shorter in the fish fed soybean oil compared to the fish fed rapeseed oil. Histological and immunohistochemical examination did not show clear difference in the degree of inflammation or proliferation of epithelial cells related to dietary groups, which was further confirmed by real-time RT-PCR which revealed only moderate alterations in the mRNA transcript levels of selected immune-related genes. Conclusions Shortened intestinal folds might be associated with reduced intestinal surface and impaired nutrient absorption and growth, but our results suggest that partial substitution of dietary fish oil with vegetable oils does not have any major negative impact on the intestinal health of Atlantic salmon.
Collapse
Affiliation(s)
| | | | | | | | | | | | | | | | - Erling Olaf Koppang
- Norwegian School of Veterinary Science, Post Box 8146 Dep, 0033 Oslo, Norway.
| |
Collapse
|
19
|
Shah MS, Davidson LA, Chapkin RS. Mechanistic insights into the role of microRNAs in cancer: influence of nutrient crosstalk. Front Genet 2012; 3:305. [PMID: 23293655 PMCID: PMC3531809 DOI: 10.3389/fgene.2012.00305] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2012] [Accepted: 12/10/2012] [Indexed: 12/14/2022] Open
Abstract
A plethora of studies have described the disruption of key cellular regulatory mechanisms involving non-coding RNAs, specifically microRNAs (miRNA) from the let-7 family, the miR-17 family, miR-21, miR-143, and the miR-200 family, which contribute to aberrant signaling and tumor formation. Certain environmental factors, such as bioactive dietary agents, e.g., folate, curcumin, polyunsaturated fatty acids, are also thought to impact the progression and severity of cancer. In terms of the chemoprotective mechanisms of action, these bioactive dietary agents appear to act, in part, by modulating tissue levels of miR-16, miR-17 family, miR-26b, miR-106b, and miR-200 family miRNAs and their target genes. However, the mechanisms of nutrient action are not yet fully understood. Therefore, additional characterization of the putative underlying mechanisms is needed to further our understanding of the biology, early diagnosis, prevention, and the treatment of cancer. For the purpose of elucidating the epigenetic landscape of cancer, this review will summarize the key findings from recent studies detailing the effect of bioactive dietary agents on miRNA regulation in cancer.
Collapse
Affiliation(s)
- Manasvi S Shah
- Program in Integrative Nutrition and Complex Diseases, Texas A&M University, College Station TX, USA ; Intercollegiate Faculty of Genetics, Texas A&M University, College Station TX, USA
| | | | | |
Collapse
|
20
|
Kansal S, Negi AK, Agnihotri N. n-3 PUFAs as Modulators of Stem Cells in Prevention of Colorectal Cancer. CURRENT COLORECTAL CANCER REPORTS 2012. [DOI: 10.1007/s11888-012-0145-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
21
|
van der Weyden L, Adams DJ. Using mice to unveil the genetics of cancer resistance. Biochim Biophys Acta Rev Cancer 2012; 1826:312-30. [PMID: 22613679 DOI: 10.1016/j.bbcan.2012.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Revised: 05/10/2012] [Accepted: 05/13/2012] [Indexed: 11/28/2022]
Abstract
In the UK, four in ten people will develop some form of cancer during their lifetime, with an individual's relative risk depending on many factors, including age, lifestyle and genetic make-up. Much research has gone into identifying the genes that are mutated in tumorigenesis with the overwhelming majority of genetically-modified (GM) mice in cancer research showing accelerated tumorigenesis or recapitulating key aspects of the tumorigenic process. Yet if six out of ten people will not develop some form of cancer during their lifetime, together with the fact that some cancer patients experience spontaneous regression/remission, it suggests there are ways of 'resisting' cancer. Indeed, there are wildtype, spontaneously-arising mutants and GM mice that show some form of 'resistance' to cancer. Identification of mice with increased resistance to cancer is a novel aspect of cancer research that is important in terms of providing both chemopreventative and therapeutic options. In this review we describe the different mouse lines that display a 'cancer resistance' phenotype and discuss the molecular basis of their resistance.
Collapse
Affiliation(s)
- Louise van der Weyden
- Experimental Cancer Genetics, Wellcome Trust Sanger Institute, Hinxton, Cambridge, UK.
| | | |
Collapse
|
22
|
Cooney JM, Barnett MPG, Brewster D, Knoch B, McNabb WC, Laing WA, Roy NC. Proteomic Analysis of Colon Tissue from Interleukin-10 Gene-Deficient Mice Fed Polyunsaturated Fatty Acids with Comparison to Transcriptomic Analysis. J Proteome Res 2011; 11:1065-77. [DOI: 10.1021/pr200807p] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Janine M. Cooney
- Biological Chemistry & Bioactives, Food Innovation, The New Zealand Institute for Plant & Food Research Ltd, Ruakura Private Bag 3123, Waikato Mail Centre, Hamilton 3240, New Zealand
| | | | - Diane Brewster
- Biological Chemistry & Bioactives, Food Innovation, The New Zealand Institute for Plant & Food Research Ltd, Ruakura Private Bag 3123, Waikato Mail Centre, Hamilton 3240, New Zealand
| | | | | | - William A. Laing
- Biological Chemistry & Bioactives, Food Innovation, The New Zealand Institute for Plant & Food Research Ltd, Ruakura Private Bag 3123, Waikato Mail Centre, Hamilton 3240, New Zealand
| | | |
Collapse
|
23
|
Linoleic acid enhances angiogenesis through suppression of angiostatin induced by plasminogen activator inhibitor 1. Br J Cancer 2011; 105:1750-8. [PMID: 22015554 PMCID: PMC3242595 DOI: 10.1038/bjc.2011.434] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Background: The intake of dietary fatty acids is highly correlated with the risk of various cancers. Linoleic acid (LA) is the most abundant polyunsaturated fat in the western diet, but the mechanism(s) by fatty acids such as LA modulate cancer cells is unclear. In this study, we examined the role of LA in various steps in gastric cancer progression. Methods: The difference in gene expression between LA-treated and untreated OCUM-2MD3 gastric carcinoma cells was examined by mRNA differential display. The involvement of candidate genes was examined by oligo- and plasmid-mediated RNA interference. Biological functions of several of these genes were examined using in vitro assays for invasion, angiogenesis, apoptosis, cell viability, and matrix digestion. Angiogenesis in vivo was measured by CD-31 immunohistochemistry and microvessel density scoring. Results: LA enhanced the plasminogen activator inhibitor 1 (PAI-1) mRNA and protein expression, which are controlled by PAI-1 mRNA-binding protein. LA-stimulated invasion depended on PAI-1. LA also enhanced angiogenesis by suppression of angiostatin, also through PAI-1. LA did not alter cell growth in culture, but increased dietary LA-enhanced tumour growth in an animal model. Conclusion: Our findings suggest that dietary LA impacts multiple steps in cancer invasion and angiogenesis, and that reducing LA in the diet may help slow cancer progression.
Collapse
|
24
|
Weldon KA, Whelan J. Allometric scaling of dietary linoleic acid on changes in tissue arachidonic acid using human equivalent diets in mice. Nutr Metab (Lond) 2011; 8:43. [PMID: 21702942 PMCID: PMC3141391 DOI: 10.1186/1743-7075-8-43] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2011] [Accepted: 06/24/2011] [Indexed: 11/16/2022] Open
Abstract
Background It is hypothesized that dietary linoleic acid (LA) promotes chronic and acute diseases in humans by enriching tissues with arachidonic acid (AA), its downstream metabolite, and dietary studies with rodents have been useful for validation. However, levels of LA in research diets of rodents, as published in the literature, are notoriously erratic making interspecies comparisons unreliable. Therefore, the ability to extrapolate the biological effects of dietary LA from experimental rodents to humans necessitates an allometric scaling model that is rooted within a human equivalent context. Methods To determine the physiological response of dietary LA on tissue AA, a mathematical model for extrapolating nutrients based on energy was used, as opposed to differences in body weight. C57BL/6J mice were divided into 9 groups fed a background diet equivalent to that of the US diet (% energy) with supplemental doses of LA or AA. Changes in the phospholipid fatty acid compositions were monitored in plasma and erythrocytes and compared to data from humans supplemented with equivalent doses of LA or AA. Results Increasing dietary LA had little effect on tissue AA, while supplementing diets with AA significantly increased tissue AA levels, importantly recapitulating results from human trials. Conclusions Thus, interspecies comparisons for dietary LA between rodents and humans can be achieved when rodents are provided human equivalent doses based on differences in metabolic activity as defined by energy consumption.
Collapse
Affiliation(s)
- Kylie A Weldon
- Department of Nutrition, 1215 West Cumberland Avenue, 229 Jessie Harris Building, University of Tennessee, Knoxville, TN 37996-1920, USA.
| | | |
Collapse
|
25
|
Rett BS, Whelan J. Increasing dietary linoleic acid does not increase tissue arachidonic acid content in adults consuming Western-type diets: a systematic review. Nutr Metab (Lond) 2011; 8:36. [PMID: 21663641 PMCID: PMC3132704 DOI: 10.1186/1743-7075-8-36] [Citation(s) in RCA: 137] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2011] [Accepted: 06/10/2011] [Indexed: 12/20/2022] Open
Abstract
Background Linoleic acid, with a DRI of 12-17 g/d, is the most highly consumed polyunsaturated fatty acid in the Western diet and is found in virtually all commonly consumed foods. The concern with dietary linoleic acid, being the metabolic precursor of arachidonic acid, is its consumption may enrich tissues with arachidonic acid and contribute to chronic and overproduction of bioactive eicosanoids. However, no systematic review of human trials regarding linoleic acid consumption and subsequent changes in tissue levels of arachidonic acid has been undertaken. Objective In this study, we reviewed the human literature that reported changes in dietary linoleic acid and its subsequent impact on changing tissue arachidonic acid in erythrocytes and plasma/serum phospholipids. Design We identified, reviewed, and evaluated all peer-reviewed published literature presenting data outlining changes in dietary linoleic acid in adult human clinical trials that reported changes in phospholipid fatty acid composition (specifically arachidonic acid) in plasma/serum and erythrocytes within the parameters of our inclusion/exclusion criteria. Results Decreasing dietary linoleic acid by up to 90% was not significantly correlated with changes in arachidonic acid levels in the phospholipid pool of plasma/serum (p = 0.39). Similarly, when dietary linoleic acid levels were increased up to six fold, no significant correlations with arachidonic acid levels were observed (p = 0.72). However, there was a positive relationship between dietary gamma-linolenic acid and dietary arachidonic acid on changes in arachidonic levels in plasma/serum phospholipids. Conclusions Our results do not support the concept that modifying current intakes of dietary linoleic acid has an effect on changing levels of arachidonic acid in plasma/serum or erythrocytes in adults consuming Western-type diets.
Collapse
Affiliation(s)
- Brian S Rett
- Department of Nutrition, University of Tennessee, Knoxville, Tennessee 37996-1900, USA.
| | | |
Collapse
|
26
|
Van Nieuwenhove CP, Cano PG, Pérez-Chaia AB, González SN. Effect of Functional Buffalo Cheese on Fatty Acid Profile and Oxidative Status of Liver and Intestine of Mice. J Med Food 2011; 14:420-7. [DOI: 10.1089/jmf.2010.0061] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Carina P. Van Nieuwenhove
- Center of Reference for Lactobacilli, CONICET, National University of Tucumán, Tucumán, Argentina
- National University of Tucumán, Tucumán, Argentina
| | - Paola Gauffin Cano
- Center of Reference for Lactobacilli, CONICET, National University of Tucumán, Tucumán, Argentina
| | - Adriana B. Pérez-Chaia
- Center of Reference for Lactobacilli, CONICET, National University of Tucumán, Tucumán, Argentina
- National University of Tucumán, Tucumán, Argentina
| | - Silvia N. González
- Center of Reference for Lactobacilli, CONICET, National University of Tucumán, Tucumán, Argentina
- National University of Tucumán, Tucumán, Argentina
| |
Collapse
|
27
|
Dietary fish oil and curcumin combine to modulate colonic cytokinetics and gene expression in dextran sodium sulphate-treated mice. Br J Nutr 2011; 106:519-29. [PMID: 21401974 DOI: 10.1017/s0007114511000390] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Both fish oil (FO) and curcumin have potential as anti-tumour and anti-inflammatory agents. To further explore their combined effects on dextran sodium sulphate (DSS)-induced colitis, C57BL/6 mice were randomised to four diets (2 × 2 design) differing in fatty acid content with or without curcumin supplementation (FO, FO+2 % curcumin, maize oil (control, MO) or MO+2 % curcumin). Mice were exposed to one or two cycles of DSS in the drinking-water to induce either acute or chronic intestinal inflammation, respectively. FO-fed mice exposed to the single-cycle DSS treatment exhibited the highest mortality (40 %, seventeen of forty-three) compared with MO with the lowest mortality (3 %, one of twenty-nine) (P = 0·0008). Addition of curcumin to MO increased (P = 0·003) mortality to 37 % compared with the control. Consistent with animal survival data, following the one- or two-cycle DSS treatment, both dietary FO and curcumin promoted mucosal injury/ulceration compared with MO. In contrast, compared with other diets, combined FO and curcumin feeding enhanced the resolution of chronic inflammation and suppressed (P < 0·05) a key inflammatory mediator, NF-κB, in the colon mucosa. Mucosal microarray analysis revealed that dietary FO, curcumin and FO plus curcumin combination differentially modulated the expression of genes induced by DSS treatment. These results suggest that dietary lipids and curcumin interact to regulate mucosal homeostasis and the resolution of chronic inflammation in the colon.
Collapse
|
28
|
Shah MS, Schwartz SL, Zhao C, Davidson LA, Zhou B, Lupton JR, Ivanov I, Chapkin RS. Integrated microRNA and mRNA expression profiling in a rat colon carcinogenesis model: effect of a chemo-protective diet. Physiol Genomics 2011; 43:640-54. [PMID: 21406606 DOI: 10.1152/physiolgenomics.00213.2010] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
We have recently demonstrated that nutritional bioactives (fish oil and pectin) modulate microRNA molecular switches in the colon. Since integrated analysis of microRNA and mRNA expression at an early stage of colon cancer development is lacking, in this study, four computational approaches were utilized to test the hypothesis that microRNAs and their posttranscriptionally regulated mRNA targets, i.e., both total mRNAs and actively translated mRNA transcripts, are differentially modulated by carcinogen and diet treatment. Sprague-Dawley rats were fed diets containing corn oil ± fish oil with pectin ± cellulose and injected with azoxymethane or saline (control). Colonic mucosa was assayed at an early time of cancer progression, and global gene set enrichment analysis was used to obtain those microRNAs significantly enriched by the change in expression of their putative target genes. In addition, cumulative distribution function plots and functional network analyses were used to evaluate the impact of diet and carcinogen combination on mRNA levels induced via microRNA alterations. Finally, linear discriminant analysis was used to identify the best single-, two-, and three-microRNA combinations for classifying dietary effects and colon tumor development. We demonstrate that polysomal profiling is tightly related to microRNA changes when compared with total mRNA profiling. In addition, diet and carcinogen exposure modulated a number of microRNAs (miR-16, miR-19b, miR-21, miR26b, miR27b, miR-93, and miR-203) linked to canonical oncogenic signaling pathways. Complementary gene expression analyses showed that oncogenic PTK2B, PDE4B, and TCF4 were suppressed by the chemoprotective diet at both the mRNA and protein levels.
Collapse
Affiliation(s)
- Manasvi S Shah
- Program in Integrative Nutrition & Complex Diseases, Texas A&M University, College Station, TX, USA
| | | | | | | | | | | | | | | |
Collapse
|
29
|
Kim SK, Pangestuti R, Rahmadi P. Sea lettuces: culinary uses and nutritional value. ADVANCES IN FOOD AND NUTRITION RESEARCH 2011; 64:57-70. [PMID: 22054938 DOI: 10.1016/b978-0-12-387669-0.00005-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
In many countries, sea lettuces are commonly consumed as food by human since the beginning of times. Sea lettuces contain significant amount of nutrients which are essential for human body. Moreover, several studies have provided insight into biological activities and health promoting effects of sea lettuces. Despite having so much health beneficial effects, sea lettuces are still identified as an underexploited plant resources for food purposes. Hence, sea lettuces have a great potential for further development as products in foods and pharmaceutical areas. Further, potential applications of polysaccharides, protein and amino acid, lipid and fatty acid, mineral and vitamin contents may increase the sea lettuces value. This contributions presents information on the currently culinary use of sea lettuces worldwide and nutritional aspects of sea lettuces.
Collapse
Affiliation(s)
- Se-Kwon Kim
- Marine Biochemistry Laboratory, Department of Chemistry, Pukyong National University, Busan, Republic of Korea.
| | | | | |
Collapse
|
30
|
Turk HF, Kolar SS, Fan YY, Cozby CA, Lupton JR, Chapkin RS. Linoleic acid and butyrate synergize to increase Bcl-2 levels in colonocytes. Int J Cancer 2010; 128:63-71. [PMID: 20232381 DOI: 10.1002/ijc.25323] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The biological properties of polyunsaturated fatty acid (PUFA) classes have been the source of much contention. For example, n-3 PUFA are chemoprotective, whereas n-6 PUFA may promote tumor development. Since dietary components can have combinatorial effects, we further examined the apoptotic properties of n-3 or n-6 fatty acids when combined with different fiber sources. Mice were fed diets supplemented with either fish oil (FO; enriched in n-3 PUFA) or corn oil (CO; enriched in n-6 PUFA) and nonfermentable (cellulose) or fermentable (pectin) fiber sources. In complementary experiments, immortalized young adult mouse colonic (YAMC) cells were treated with docosahexaenoic acid (DHA; 22:6n-3) or linoleic acid (LA; 18:2n-6) with or without butyrate. Mice fed a FO and pectin diet had significantly (p < 0.05) increased levels of apoptosis in colonocytes compared to all other diets. Similarly, apoptosis was highly induced in DHA and butyrate cotreated YAMC cells. In contrast, in both YAMC and mouse models, LA/CO with butyrate/pectin treatment reduced apoptosis and enhanced expression of bcl-2. The LA and butyrate induced antiapoptotic phenotype was reversed by knocking down bcl-2 using targeted siRNA. In comparison, overexpression of bcl-2 blocked the proapoptotic effect of DHA and butyrate. These data provide new mechanistic insights into the regulation of apoptosis by dietary PUFA and fiber.
Collapse
Affiliation(s)
- Harmony F Turk
- Program in Integrative Nutrition and Complex Diseases, Texas A&M University, College Station, TX, USA
| | | | | | | | | | | |
Collapse
|
31
|
Cheon EC, Strouch MJ, Barron MR, Ding Y, Melstrom LG, Krantz SB, Mullapudi B, Adrian K, Rao S, Adrian TE, Bentrem DJ, Grippo PJ. Alteration of strain background and a high omega-6 fat diet induces earlier onset of pancreatic neoplasia in EL-Kras transgenic mice. Int J Cancer 2010; 128:2783-92. [PMID: 20725998 DOI: 10.1002/ijc.25622] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2010] [Accepted: 07/27/2010] [Indexed: 12/12/2022]
Abstract
Diets containing omega-6 (ω-6) fat have been associated with increased tumor development in carcinogen-induced pancreatic cancer models. However, the effects of ω-6 fatty acids and background strain on the development of genetically-induced pancreatic neoplasia is unknown. We assessed the effects of a diet rich in ω-6 fat on the development of pancreatic neoplasia in elastase (EL)-Kras(G12D) (EL-Kras) mice in two different backgrounds. EL-Kras FVB mice were crossed to C57BL/6 (B6) mice to produce EL-Kras FVB6 F1 (or EL-Kras F1) and EL-Kras B6 congenic mice. Age-matched EL-Kras mice from each strain were compared to one another on a standard chow. Two cohorts of EL-Kras FVB and EL-Kras F1 mice were fed a 23% corn oil diet and compared to age-matched mice fed a standard chow. Pancreata were scored for incidence, frequency, and size of neoplastic lesions, and stained for the presence of mast cells to evaluate changes in the inflammatory milieu secondary to a high fat diet. EL-Kras F1 mice had increased incidence, frequency, and size of pancreatic neoplasia compared to EL-Kras FVB mice. The frequency and size of neoplastic lesions and the weight and pancreatic mast cell densities in EL-Kras F1 mice were increased in mice fed a high ω-6 fatty acid diet compared to mice fed a standard chow. We herein introduce the EL-Kras B6 mouse model which presents with increased frequency of pancreatic neoplasia compared to EL-Kras F1 mice. The phenotype in EL-Kras F1 and FVB mice is promoted by a diet rich in ω-6 fatty acid.
Collapse
Affiliation(s)
- Eric C Cheon
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
32
|
Huang CB, George B, Ebersole JL. Antimicrobial activity of n-6, n-7 and n-9 fatty acids and their esters for oral microorganisms. Arch Oral Biol 2010; 55:555-60. [PMID: 20541177 PMCID: PMC2902640 DOI: 10.1016/j.archoralbio.2010.05.009] [Citation(s) in RCA: 96] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2010] [Revised: 04/16/2010] [Accepted: 05/17/2010] [Indexed: 11/30/2022]
Abstract
OBJECTIVE This study is to assess the antibacterial activity of omega-6, -7, -9 (n-6, n-7, n-9) fatty acids against various oral microorganisms. METHODS The n-6, n-7, n-9 fatty acids, such as gamma-linoleic acid (GLA), linoleic acid (LA), arachidonic acid (ARA), palmitoleic acid (PA), and oleic acid (OA), their fatty acid ethyl esters, GLA-EE, LA-EE, ARA-EE, PA-EE, OA-EE, and their fatty acid methyl esters, GLA-ME, LA-ME, ARA-ME, PA-ME, OA-ME, were investigated for antimicrobial activity against oral pathogens Streptococcus mutans, Candida albicans, Aggregatibacter actinomycetemcomitans, Fusobacterium nucleatum, and Porphyromonas gingivalis. Various concentrations of the fatty acids, their methyl and ethyl esters were tested against various oral pathogens in 96-well plates and blood-agar plate. The plates were incubated anaerobically or aerobically at 37 degrees C for 48h, and the colony forming units (CFU) were determined. RESULTS The data demonstrated that select n-6, n-7, n-9 fatty acids and their esters exhibited strong antimicrobial activity against these oral microorganisms, demonstrating some specificity for individual microbial species. CONCLUSION The potential use or the combinations of the n-6, n-7, n-9 fatty acids and/or their esters, provided in a local delivery vehicle to infected sites in the oral cavity, could be considered as an additional therapeutic approach to improving oral health.
Collapse
Affiliation(s)
- Chifu B Huang
- Center for Oral Health Research, University of Kentucky, Lexington, 40503, United States.
| | | | | |
Collapse
|
33
|
Knoch B, Barnett MPG, McNabb WC, Zhu S, Park ZA, Khan A, Roy NC. Dietary arachidonic acid-mediated effects on colon inflammation using transcriptome analysis. Mol Nutr Food Res 2010; 54 Suppl 1:S62-74. [DOI: 10.1002/mnfr.200900543] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
|
34
|
Abnormal fatty acid distribution of the serum phospholipids of patients with non-Hodgkin lymphoma. Ann Hematol 2010; 89:775-82. [PMID: 20127484 DOI: 10.1007/s00277-010-0904-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2009] [Accepted: 01/08/2010] [Indexed: 02/08/2023]
Abstract
The data about the fatty acid (FA) status of non-Hodgkin lymphoma (NHL) patients are poor. Therefore, the aim of this study was to investigate the FA profile of serum phospholipids in NHL patients related to the aggressiveness and clinical stage of NHL. We analyzed the FA profile of serum phospholipids in 47 newly diagnosed, untreated NHL patients and in 29 healthy subjects. Significantly higher (p < 0.001) levels of palmitic (16:0), oleic (18:1 n-9) and arachidonic acids (20:4 n-6), saturated and monounsaturated FA were found in NHL patients, while linoleic acid (18:2 n-6) and the levels of total polyunsaturated FA (PUFA), n-3 PUFA, eicosapentaenoic (20:5 n-3) and docosahexaenoic (DHA, 22:6 n-3) were significantly reduced (p < 0.01). The level of oleic acid in patients with indolent NHL was significantly lower (p < 0.05) than in more aggressive types of disease. Contents of palmitoleic acid, docosatetraenoic (22:4 n-6), and PUFA was lower in very aggressive NHL. According to clinical stage (CS), patients with CS I had significantly higher SFA and lower n-6 FA than other three groups, and group with CS IV showed significantly decreased DHA and n-3 PUFA. Our results showed an abnormal FA profile in serum phospholipids in NHL patients.
Collapse
|
35
|
Davidson LA, Wang N, Shah MS, Lupton JR, Ivanov I, Chapkin RS. n-3 Polyunsaturated fatty acids modulate carcinogen-directed non-coding microRNA signatures in rat colon. Carcinogenesis 2009; 30:2077-84. [PMID: 19825969 PMCID: PMC2792315 DOI: 10.1093/carcin/bgp245] [Citation(s) in RCA: 123] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2009] [Revised: 09/04/2009] [Accepted: 09/30/2009] [Indexed: 12/13/2022] Open
Abstract
We have hypothesized that dietary modulation of intestinal non-coding RNA [microRNA (miRNA)] expression may contribute to the chemoprotective effects of nutritional bioactives (fish oil and pectin). To fully understand the effects of these agents on the expression of miRNAs, Sprague-Dawley rats were fed diets containing corn oil or fish oil with pectin or cellulose and injected with azoxymethane (AOM, a colon-specific carcinogen) or saline (control). Real-time polymerase chain reaction using miRNA-specific primers and Taq Man probes was carried out to quantify effects on miRNA expression in colonic mucosa. From 368 mature miRNAs assayed, at an early stage of cancer progression (10 week post AOM injection), let-7d, miR-15b, miR-107, miR-191 and miR-324-5p were significantly (P < 0.05) affected by diet x carcinogen interactions. Overall, fish oil fed animals exhibited the smallest number of differentially expressed miRNAs (AOM versus saline treatment). With respect to the tumor stage (34 week post AOM injection), 46 miRNAs were dysregulated in adenocarcinomas compared with normal mucosa from saline-injected animals. Of the 27 miRNAs expressed at higher (P < 0.05) levels in tumors, miR-34a, 132, 223 and 224 were overexpressed at >10-fold. In contrast, the expression levels of miR-192, 194, 215 and 375 were dramatically reduced (< or = 0.32-fold) in adenocarcinomas. These results demonstrate for the first time the utility of the rat AOM model and the novel role of fish oil in protecting the colon from carcinogen-induced miRNA dysregulation.
Collapse
Affiliation(s)
- Laurie A. Davidson
- Program in Integrative Nutrition & Complex Diseases
- Center for Environmental and Rural Health
| | | | - Manasvi S. Shah
- Program in Integrative Nutrition & Complex Diseases
- Intercollegiate Faculty of Genetics
| | - Joanne R. Lupton
- Program in Integrative Nutrition & Complex Diseases
- Center for Environmental and Rural Health
| | - Ivan Ivanov
- Center for Environmental and Rural Health
- Department of Veterinary Physiology & Pharmacology
| | - Robert S. Chapkin
- Program in Integrative Nutrition & Complex Diseases
- Center for Environmental and Rural Health
- Intercollegiate Faculty of Genetics
- Vegetable and Fruit Improvement Center, Texas A&M University, College Station, TX 77843, USA
| |
Collapse
|
36
|
Vitamin D for cancer prevention: global perspective. Ann Epidemiol 2009; 19:468-83. [PMID: 19523595 DOI: 10.1016/j.annepidem.2009.03.021] [Citation(s) in RCA: 286] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2008] [Accepted: 03/15/2009] [Indexed: 02/07/2023]
Abstract
PURPOSE Higher serum levels of the main circulating form of vitamin D, 25-hydroxyvitamin D (25(OH)D), are associated with substantially lower incidence rates of colon, breast, ovarian, renal, pancreatic, aggressive prostate and other cancers. METHODS Epidemiological findings combined with newly discovered mechanisms suggest a new model of cancer etiology that accounts for these actions of 25(OH)D and calcium. Its seven phases are disjunction, initiation, natural selection, overgrowth, metastasis, involution, and transition (abbreviated DINOMIT). Vitamin D metabolites prevent disjunction of cells and are beneficial in other phases. RESULTS/CONCLUSIONS It is projected that raising the minimum year-around serum 25(OH)D level to 40 to 60 ng/mL (100-150 nmol/L) would prevent approximately 58,000 new cases of breast cancer and 49,000 new cases of colorectal cancer each year, and three fourths of deaths from these diseases in the United States and Canada, based on observational studies combined with a randomized trial. Such intakes also are expected to reduce case-fatality rates of patients who have breast, colorectal, or prostate cancer by half. There are no unreasonable risks from intake of 2000 IU per day of vitamin D(3), or from a population serum 25(OH)D level of 40 to 60 ng/mL. The time has arrived for nationally coordinated action to substantially increase intake of vitamin D and calcium.
Collapse
|
37
|
Gong Z, Bostick RM, Xie D, Hurley TG, Deng Z, Dixon DA, Zhang J, Hebert JR. Genetic polymorphisms in the cyclooxygenase-1 and cyclooxygenase-2 genes and risk of colorectal adenoma. Int J Colorectal Dis 2009; 24:647-54. [PMID: 19205707 PMCID: PMC3461962 DOI: 10.1007/s00384-009-0656-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/20/2009] [Indexed: 02/04/2023]
Abstract
PURPOSE Cyclooxygenase (COX) enzymes, COX1 and COX2, are key in converting arachidonic acid (AA) into prostaglandins that have been associated with colorectal carcinogenesis. The aim of our study was to investigate associations of polymorphisms in COX genes, alone and in interaction with exposures known to be related to inflammation and AA metabolism, with risk of colorectal adenomas. MATERIALS AND METHODS In a community-, colonoscopy-based case-control study with 162 incident, sporadic colorectal adenoma cases and 211 controls, we investigated associations of two promoter polymorphisms (-842 A > G in COX1 and -765 G > C in COX2) and two polymorphisms in the 3'-UTR of COX2 (8473 T > C and 9850 A > G) with risk of adenomas. Multiple logistic regression models were used to estimate odds ratios (OR) and 95% confidence intervals (CI) of colorectal adenoma after adjusting for potential confounders. RESULTS Overall, there was no evidence for an association between any of the four polymorphisms and colorectal adenomas. However, we found a statistically significant interaction between the COX2 8473 T > C polymorphism and nonsteroidal anti-inflammatory drug (NSAIDs) use (P (interaction) = 0.03): The greatest reduced risk was observed for individuals with the 8473 C variant allele who also regularly used NSAIDs (OR = 0.35, 95% CI 0.16-0.75). CONCLUSION These results suggest that the C allele of COX2 8473 T > C polymorphism may interact with NSAIDs to reduce risk for colorectal adenoma.
Collapse
Affiliation(s)
- Zhihong Gong
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, CA, USA
| | - Roberd M. Bostick
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Dawen Xie
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA,
- South Carolina Cancer Center, Columbia, SC, USA
| | - Thomas G. Hurley
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
- South Carolina Cancer Center, Columbia, SC, USA
- South Carolina Statewide Cancer Prevention and Control Program, University of South Carolina, Columbia, SC, USA
| | - Zonglin Deng
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
- South Carolina Cancer Center, Columbia, SC, USA
| | - Dan A. Dixon
- South Carolina Cancer Center, Columbia, SC, USA
- Department of Biological Sciences, University of South Carolina, Columbia, SC, USA
| | - Jinhui Zhang
- The Hormel Institute, University of Minnesota, Austin, MN, USA
| | - James R. Hebert
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
- South Carolina Cancer Center, Columbia, SC, USA
- South Carolina Statewide Cancer Prevention and Control Program, University of South Carolina, Columbia, SC, USA
| |
Collapse
|
38
|
|
39
|
Methy N, Binquet C, Boutron-Ruault MC, Paillot B, Faivre J, Bonithon-Kopp C. Dietary fatty acids and recurrence of colorectal adenomas in a European intervention trial. Nutr Cancer 2009; 60:560-7. [PMID: 18791918 DOI: 10.1080/01635580802008260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Epidemiological studies have provided inconsistent data about the role of dietary fatty acids in colorectal cancer, and few studies have addressed their role in colorectal adenoma. The aim of the study was to assess the risk of overall adenoma recurrence associated with dietary consumption of total fat, subtypes of fat, and specific fatty acids (oleic acid, linoleic acid, alpha-linolenic acid). The study sample was composed of 523 patients with confirmed adenomas at the index colonoscopy, 35 to 75 yr old, who completed the European fiber-calcium intervention trial and had an initial dietary assessment using a qualitative and quantitative food questionnaire. The overall 3-yr recurrence rate was 22.6% (118 out of 523 patients). There were no significant associations between overall adenoma recurrence and either total fat, subtypes of fat, or specific fatty acids. However, polyunsaturated fatty acids and linoleic acid were both moderately but significantly associated with distal and multiple recurrence. No significant associations were observed with recurrence of proximal or advanced adenomas. Our findings do not support the hypothesis of strong associations between dietary fatty acids and recurrence of colorectal adenomas. The hypothesis of a differential role of specific fatty acids according to colorectal subsites deserves further investigation.
Collapse
|
40
|
Whelan J. Dietary stearidonic acid is a long chain (n-3) polyunsaturated fatty acid with potential health benefits. J Nutr 2009; 139:5-10. [PMID: 19056654 DOI: 10.3945/jn.108.094268] [Citation(s) in RCA: 135] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The therapeutic and health-promoting effects of (n-3) long-chain PUFA (LCPUFA) from fish are well known, although these same benefits may not be shared by their precursor, alpha-linolenic acid (ALA). World-wide agencies and scientific organizations (i.e. FDA, AHA, International Society for the Study of Fatty Acids and Lipids, Institute of Medicine, WHO, etc.) have made similar dietary recommendations for (n-3) LCPUFA; however, due to concerns regarding the safety of consuming fish, alternative sources of (n-3) LCPUFA are being investigated. One such lipid is stearidonic acid (SDA), a naturally occurring (n-3) PUFA that may have similar biological properties to eicosapentaenoic acid (EPA), a major (n-3) PUFA in fish oil. Existing and novel plant sources rich in SDA are being cultivated and promoted as potential alternatives to marine-based (n-3) PUFA. This critical review provides a direct comparison of SDA with other dietary (n-3) PUFA under similar experimental conditions. The comparative results suggest that SDA shares many of the biological effects of (n-3) LCPUFA and functions most similarly to dietary EPA compared with ALA when consumed in a typical Western diet. Therefore, although SDA may not replace fish as a major dietary source of (n-3) LCPUFA, it could become a prominent surrogate for EPA in the commercial development of foods fortified with (n-3) PUFA.
Collapse
Affiliation(s)
- Jay Whelan
- Department of Nutrition, University of Tennessee, Knoxville, TN 37996-1920, USA.
| |
Collapse
|
41
|
Pot GK, Geelen A, van Heijningen EMB, Siezen CL, van Kranen HJ, Kampman E. Opposing associations of serum n-3 and n-6 polyunsaturated fatty acids with colorectal adenoma risk: An endoscopy-based case-control study. Int J Cancer 2008; 123:1974-7. [DOI: 10.1002/ijc.23729] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
42
|
Abstract
Linoleic acid is the most prominent polyunsaturated fatty acid (PUFA) in the Western diet. It is virtually found in every food we eat and is the predominant PUFA in land-based meats, dairy, vegetables, vegetable oils, cereals, fruits, nuts, legumes, seeds and breads. Because linoleic acid is the metabolic precursor of arachidonic acid and bioactive eicosanoids derived from arachidonic acid, there is concern that dietary linoleic acid could augment tissue arachidonic acid content, eicosanoid formation and subsequently enhance the risk of and/or exacerbate conditions associated with acute and chronic diseases (i.e., cancers, cardiovascular disease, inflammation, neurological disorders, etc.). The following series of papers examines the impact of modifying dietary levels of linoleic acid on health outcomes. The authors were asked to start with current intakes of linoleic acid (adults) and determine if health outcomes would change if linoleic acid intake increased or decreased. The authors addressed changes in tissue arachidonic acid content and eicosanoid formation, cardiovascular disease, inflammation, and psychiatric disorders.
Collapse
Affiliation(s)
- Jay Whelan
- Department of Nutrition, University of Tennessee, 229 Jessie Harris Building, 1215 West Cumberland Avenue, Knoxville, TN 37996-1920, USA.
| |
Collapse
|
43
|
Jia Q, Lupton JR, Smith R, Weeks BR, Callaway E, Davidson LA, Kim W, Fan YY, Yang P, Newman RA, Kang JX, McMurray DN, Chapkin RS. Reduced colitis-associated colon cancer in Fat-1 (n-3 fatty acid desaturase) transgenic mice. Cancer Res 2008; 68:3985-91. [PMID: 18483285 DOI: 10.1158/0008-5472.can-07-6251] [Citation(s) in RCA: 114] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Bioactive food components containing n-3 polyunsaturated fatty acids (PUFA) modulate multiple determinants that link inflammation to cancer initiation and progression. Therefore, in this study, fat-1 transgenic mice, which convert endogenous n-6 PUFA to n-3 PUFA in multiple tissues, were injected with azoxymethane followed by three cycles of dextran sodium sulfate (DSS) to induce colitis-associated cancer. Fat-1 mice exhibited a reduced number of colonic adenocarcinomas per mouse (1.05 +/- 0.29 versus 2.12 +/- 0.51, P = 0.033), elevated apoptosis (P = 0.03), and a decrease in n-6 PUFA-derived eicosanoids, compared with wild-type (wt) mice. To determine whether the chemoprotective effects of n-3 PUFA could be attributed to its pleiotropic anti-inflammatory properties, colonic inflammation and injury scores were evaluated 5 days after DSS exposure followed by either a 3-day or 2-week recovery period. There was no effect of n-3 PUFA at 3 days. However, following a 2-week recovery period, colonic inflammation and ulceration scores returned to pretreatment levels compared with 3-day recovery only in fat-1 mice. For the purpose of examining the specific reactivity of lymphoid elements in the intestine, CD3(+) T cells, CD4(+) T helper cells, and macrophages from colonic lamina propria were quantified. Comparison of 3-day versus 2-week recovery time points revealed that fat-1 mice exhibited decreased (P < 0.05) CD3(+), CD4(+) T helper, and macrophage cell numbers per colon as compared with wt mice. These results suggest that the antitumorigenic effect of n-3 PUFA may be mediated, in part, via its anti-inflammatory properties.
Collapse
Affiliation(s)
- Qian Jia
- Department of Nutrition and Food Science, Intercollegiate Faculty of Nutrition, Texas A&M University, Houston, USA
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
44
|
Beretta G, Furlanetto S, Regazzoni L, Zarrella M, Facino RM. Quenching of alpha,beta-unsaturated aldehydes by green tea polyphenols: HPLC-ESI-MS/MS studies. J Pharm Biomed Anal 2008; 48:606-11. [PMID: 18619756 DOI: 10.1016/j.jpba.2008.05.036] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2008] [Revised: 05/28/2008] [Accepted: 05/29/2008] [Indexed: 12/16/2022]
Abstract
The aim of this work was to investigate in vitro the quenching activity of green tea polyphenols against alpha,beta-unsaturated aldehyde, using 4-hydroxy-nonenal (HNE) as prototype and HPLC-ESI-MS/MS techniques. HNE is the most abundant and genotoxic product of oxidation of dietary polyunsaturated fatty acids, and is believed to be involved in the early stage of colorectal carcinogenesis on account of its genotoxic potential. Both epigallocatechin gallate (EGCG, 1.0-3.5mM), the main constituent of green tea polyphenols, and a green tea aqueous extract are able to quench HNE (50 microM) in colorectal physiomimetic conditions (10mM phosphate buffer, pH 8.0, 37 degrees C), giving rise to the formation of six diastereomeric covalent adducts at the ring A of EGCG, as indicated by their ESI-MS/MS fragmentation pathways. The specificity of the adduction positions was explained by (1)H NMR experiments. HNE quenching is pH-dependent and maximum at pH 8.0. ESI-MS analysis showed no formation of 4-hydroxy-2,3-epoxy-nonanal, or adduction of the epoxide to EGCG. This implies that too little hydrogen peroxide (1mM, 24h incubation, FOX-2 method) develops from auto-oxidation of EGCG in our aerobic experimental conditions to oxidize HNE to its corresponding epoxide, so this mechanism is not responsible for the compound's disappearance. EGCG and green tea extract also quenched acrolein, another genotoxic alpha,beta-unsaturated aldehyde, giving one predominant adduct and minor isobaric species, probably due the adduction of acrolein at different positions of the EGCG ring A. These results suggest that EGCG and green tea extract, beside the proposed mechanisms of chemoprevention that target multiple cell-signaling pathways that control cell proliferation and apoptosis in cancer cells, can also prevent protein carbonylation in the tumor tissue environment, depending on the pH of the medium surrounding the tissue, the type of tumor, the stage of dysregulation of lipid peroxidation and, finally, the stage of carcinoma development.
Collapse
Affiliation(s)
- Giangiacomo Beretta
- Istituto di Chimica Farmaceutica e Tossicologica "Pietro Pratesi", Faculty of Pharmacy, University of Milan, via Mangiagalli 25, 20131 Milan, Italy.
| | | | | | | | | |
Collapse
|
45
|
Perry Glauert H. Influence of Dietary Fat on the Development of Cancer. FOOD SCIENCE AND TECHNOLOGY 2008. [DOI: 10.1201/9781420046649.ch25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
46
|
Kimura Y, Sumiyoshi M. High-fat, high-sucrose, and high-cholesterol diets accelerate tumor growth and metastasis in tumor-bearing mice. Nutr Cancer 2008; 59:207-16. [PMID: 18001216 DOI: 10.1080/01635580701499537] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Epidemiological studies indicate that the risk factors for the development of various cancers are closely associated with metabolic symptoms such as obesity, hyperlipidemia, and insulin resistance caused by the excess consumption of high-calorie diets. However, the mechanisms of tumor growth and metastasis caused by feeding a high-calorie diet have not been clarified yet in tumor-bearing mice. In this study, we examined the effects of a high-fat (HF), a high-sucrose (HS), a high-cholesterol (HC) or a low-fat/low-sucrose (LF/LS) diet on tumor growth and metastasis in tumor-bearing mice. Angiogenic factors such as plasma leptin and monocyte chemoattractant protein-1 (MCP-1) were increased after the implantation of tumors, whereas conversely, an antiangiogenic factor, adiponectin, was reduced after the implantation of tumors in mice fed the HF, the HS, or the HC diet compared to LF/LS diet. Furthermore, we found that vascular endothelial growth factor, hypoxia inducible factor-1alpha and MCP-1 expression levels in tumors of mice fed the HF, the HS, or the HC diet were increased compared to those of mice fed the LF/LS diet. These findings suggest that the acceleration of tumor growth and metastasis by feeding the 3 diets may be due to the increase of angiogenic factors and the reduction of antiangiogenic factors.
Collapse
Affiliation(s)
- Yoshiyuki Kimura
- Division of Biochemical Pharmacology, Department of Basic Medical Research, School of Medicine, Ehime University, Shitsukawa, Toon-City, Ehime, Japan.
| | | |
Collapse
|
47
|
Guil-Guerrero JL. Stearidonic acid (18:4n-3): Metabolism, nutritional importance, medical uses and natural sources. EUR J LIPID SCI TECH 2007. [DOI: 10.1002/ejlt.200700207] [Citation(s) in RCA: 120] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
48
|
Kolar SSN, Barhoumi R, Callaway ES, Fan YY, Wang N, Lupton JR, Chapkin RS. Synergy between docosahexaenoic acid and butyrate elicits p53-independent apoptosis via mitochondrial Ca(2+) accumulation in colonocytes. Am J Physiol Gastrointest Liver Physiol 2007; 293:G935-43. [PMID: 17717041 PMCID: PMC4669682 DOI: 10.1152/ajpgi.00312.2007] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Butyrate, a short-chain fatty acid fiber fermentation product, induces colonocyte apoptosis in part via a Fas-mediated (extrinsic) pathway. In previous studies, we demonstrated that docosahexaenoic acid (DHA, 22:6(Delta4,7,10,13,16,19)) enhances the effect of butyrate by increasing mitochondrial lipid oxidation and mitochondrial Ca(2+)-dependent apoptosis in the colon. In this study, we further examined the mechanism of DHA-butyrate synergism in 1) human colon tumor (HCT-116 isogenic p53+/+ vs. p53-/-) cells and 2) primary cultures of rat colonic crypts. Herein, we show that DHA and butyrate promote apoptosis by enhancing mitochondrial Ca(2+) accumulation in both isogenic cell lines. Ca(2+) accumulation and apoptosis were inhibited by blockade of mitochondrial uniporter-mediated Ca(2+) uptake. In addition, Mito-Q, a mitochondria-targeted antioxidant, also blocked apoptosis induced by DHA and butyrate. In complementary experiments, rats were fed diets supplemented with either corn oil (control, contains no DHA) or fish oil (contains DHA). Colonic crypts were isolated and incubated with or without butyrate, after which the mitochondria-to-cytosol Ca(2+) ratio and crypt viability were measured. No significant difference (P > 0.05) in basal mitochondrial Ca(2+) levels was observed between fish oil- or corn oil-fed animals. In contrast, when fish oil was the dietary lipid source, crypts incubated with butyrate exhibited a significant increase (3.6-fold, P < 0.001) in mitochondrial Ca(2+) compared with corn oil plus butyrate treatment. On the basis of these data, we propose that the combination of DHA and butyrate compared with butyrate alone further enhances colonocyte apoptosis by inducing a p53-independent, oxidation-sensitive, mitochondrial Ca(2+) -dependent (intrinsic) pathway.
Collapse
Affiliation(s)
- Satya Sree N Kolar
- Department of Nutrition and Food Science, Kleberg Biotechnology Center, MS 2253, Texas A&M University, College Station, TX 77843-2253, USA
| | | | | | | | | | | | | |
Collapse
|
49
|
De Stefani E, Ronco AL, Boffetta P, Deneo-Pellegrini H, Acosta G, Correa P, Mendilaharsu M. Nutrient intake and risk of squamous cell carcinoma of the esophagus: a case-control study in Uruguay. Nutr Cancer 2007; 56:149-57. [PMID: 17474860 DOI: 10.1207/s15327914nc5602_5] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
In 1996-2004 a case-control study on nutrient intake, dietary constituents and risk of squamous cell carcinoma of the esophagus was conducted in Montevideo, Uruguay. In fact, Uruguay, and especially its northern provinces, which border Brazil, are high-risk areas. The study included 234 cases and 936 controls. The controls were hospitalized patients with non-neoplastic disease, which was not related to tobacco smoking and alcohol drinking, and without recent changes in their diets. Controls were frequency matched to cases on age (10-yr intervals), sex, and residence (Montevideo and other provinces). Dietary constituents were energy adjusted using the residuals method and then categorized in quartiles according to the distribution of the controls. The final model included linoleic acid, lycopene, alpha-carotene, beta-cryptoxanthin, vitamin A, monounsaturated fat, total carbohydrates, beta-carotene, and folate. The odds ratio (OR) for high intake of linoleic acid was 1.4 (95% confidence interval, CI = 1.2-1.6), whereas lycopene displayed a strong protective effect (OR = 0.7; 95% CI = 0.6-0.9). The possible role of these and other dietary constituents in esophageal carcinogenesis is discussed.
Collapse
Affiliation(s)
- Eduardo De Stefani
- Grupo de Epidemiologia, Departamento de Anatomia Patológica, Hospital de Clínicas, Facultad de Medicina, Montevideo, Uruguay.
| | | | | | | | | | | | | |
Collapse
|
50
|
Gong Z, Hebert JR, Bostick RM, Deng Z, Hurley TG, Dixon DA, Nitcheva D, Xie D. Common polymorphisms in 5-lipoxygenase and 12-lipoxygenase genes and the risk of incident, sporadic colorectal adenoma. Cancer 2007; 109:849-57. [PMID: 17236225 DOI: 10.1002/cncr.22469] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Lipoxygenases (LOX) are major enzymes that metabolize arachidonic acid to hydroxyl-eicosatetraenoic acids and leukotrienes, which have been implicated in inflammation and colorectal cancer risk. Polymorphisms in LOX genes may influence their function and/or expression and, thus, may modify the risk for colorectal adenoma. The authors investigated the associations of 3 polymorphisms (2 in 5-LOX, -1708 guanine-->adenine and 21 cytosine-->thymine; and 1 in 12-LOX, arginine 261 glutamine [Arg261Gln]) in LOX genes with the risk of colorectal adenoma and also explored possible interactions of these polymorphisms with several inflammation-pathway or arachidonic acid metabolism-pathway related factors with the risk of colorectal adenoma. METHODS By using data from a community-based, case-control study of incident, sporadic colorectal adenoma that included 162 cases and 211 controls, the authors constructed multiple logistic regression models to estimate the odds ratios (OR) and 95% confidence intervals (95% CI) of colorectal adenoma after adjusting for potential confounders. RESULTS Overall, there were no significant associations of the 2 5-LOX polymorphisms with the risk of colorectal adenoma. However, there was an inverse association between the Arg261Gln polymorphism in 12-LOX and colorectal adenoma (OR, 0.63; 95% CI, 0.40-1.00). A significant interaction also was observed between the 12-LOX polymorphism (Arg261Gln) and the use of nonsteroidal anti-inflammatory drugs (P(interaction) = .02). CONCLUSIONS The current results suggested that polymorphisms of LOX genes may act independently or with other factors to affect the risk of colorectal adenoma. Further studies will be needed to confirm these findings. Cancer 2007 (c) 2007 American Cancer Society.
Collapse
Affiliation(s)
- Zhihong Gong
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | | | | | | | | | | | | | | |
Collapse
|