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Tufail M, Wu C. WNT5A: a double-edged sword in colorectal cancer progression. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2023; 792:108465. [PMID: 37495091 DOI: 10.1016/j.mrrev.2023.108465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 07/12/2023] [Accepted: 07/17/2023] [Indexed: 07/28/2023]
Abstract
The Wnt signaling pathway is known to play a crucial role in cancer, and WNT5A is a member of this pathway that binds to the Frizzled (FZD) and Receptor Tyrosine Kinase-Like Orphan Receptor (ROR) family members to activate non-canonical Wnt signaling pathways. The WNT5A pathway is involved in various cellular processes, such as proliferation, differentiation, migration, adhesion, and polarization. In the case of colorectal cancer (CRC), abnormal activation or inhibition of WNT5A signaling can lead to both oncogenic and antitumor effects. Moreover, WNT5A is associated with inflammation, metastasis, and altered metabolism in cancer cells. This article aims to discuss the molecular mechanisms and dual roles of WNT5A in CRC.
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Affiliation(s)
- Muhammad Tufail
- Institute of Biomedical Sciences, Shanxi University, Taiyuan 030006, China.
| | - Changxin Wu
- Institute of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
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Zheng W, Wang X, Cao W, Yang B, Mu Y, Dong Y, Xiu Z. E-configuration structures of EPA and DHA derived from Euphausia superba and their significant inhibitive effects on growth of human cancer cell lines in vitro. Prostaglandins Leukot Essent Fatty Acids 2017; 117:47-53. [PMID: 28237087 DOI: 10.1016/j.plefa.2017.01.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 01/07/2017] [Accepted: 01/23/2017] [Indexed: 02/07/2023]
Abstract
Many bioactive components such as poly-unsaturated fatty acids (e.g. EPA and DHA), phospholipids and astaxanthin are known in Antarctic krill (Euphausia superba) oil. The krill DHA and EPA are generally considered to be similar to natural ones. However, two chemical compounds which were separated from Antarctic krill oil and identified as EPA and DHA by HRESIMS and NMR acted much more effective inhibitive activities on growth of several cell lines (U937, K562, SMMC-7721, PC-3, MDA-MB-231, HL60 and MCF-7) than those from sturgeon liver and commercial fish oil. Taking MCF-7 as an example, the IC50 values of Antarctic krill EPA and DHA were 14.01 and 19.94μM,while the IC50 values of sturgeon liver and commercial fish EPA and DHA were 81.45, 73.13, 82.11 and 75.31μM, respectively. Raman spectra revealed that the Antarctic krill EPA and DHA have E-configuration structures, which were different from those in commercial fish oil. Additionally, the Antarctic krill EPA and DHA had no effects on human normal liver cell line HL7702. These results indicated that the Antarctic krill E-EPA and E-DHA had a great prospect in cancer therapy.
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Affiliation(s)
- Weilong Zheng
- School of Life Science and Biotechnology, Dalian University of Technology, 2 Linggong Road, Dalian 116024, PR China
| | - Xudong Wang
- School of Life Science and Biotechnology, Dalian University of Technology, 2 Linggong Road, Dalian 116024, PR China
| | - Wenjing Cao
- School of Life Science and Biotechnology, Dalian University of Technology, 2 Linggong Road, Dalian 116024, PR China
| | - Bowen Yang
- School of Life Science and Biotechnology, Dalian University of Technology, 2 Linggong Road, Dalian 116024, PR China
| | - Ying Mu
- School of Life Science and Biotechnology, Dalian University of Technology, 2 Linggong Road, Dalian 116024, PR China
| | - Yuesheng Dong
- School of Life Science and Biotechnology, Dalian University of Technology, 2 Linggong Road, Dalian 116024, PR China
| | - Zhilong Xiu
- School of Life Science and Biotechnology, Dalian University of Technology, 2 Linggong Road, Dalian 116024, PR China.
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Saín J, González MA, Lavandera JV, Scalerandi MV, Bernal CA. Trans
fatty acid retention and conversion rates of fatty acids in tissues depend on dietary fat in mice. EUR J LIPID SCI TECH 2015. [DOI: 10.1002/ejlt.201400287] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Juliana Saín
- Cátedra de Bromatología y NutriciónFacultad de Bioquímica y Ciencias BiológicasUniversidad Nacional del LitoralSanta FeArgentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Santa FeArgentina
| | - Marcela Aída González
- Cátedra de Bromatología y NutriciónFacultad de Bioquímica y Ciencias BiológicasUniversidad Nacional del LitoralSanta FeArgentina
| | - Jimena Verónica Lavandera
- Cátedra de Bromatología y NutriciónFacultad de Bioquímica y Ciencias BiológicasUniversidad Nacional del LitoralSanta FeArgentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Santa FeArgentina
| | - María Victoria Scalerandi
- Cátedra de Bromatología y NutriciónFacultad de Bioquímica y Ciencias BiológicasUniversidad Nacional del LitoralSanta FeArgentina
| | - Claudio Adrián Bernal
- Cátedra de Bromatología y NutriciónFacultad de Bioquímica y Ciencias BiológicasUniversidad Nacional del LitoralSanta FeArgentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)Santa FeArgentina
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Abstract
The association between trans-fatty acids (TFA) and cancer risk is poorly understood and remains controversial. It is recognised that unique biological effects are associated with specific isoforms within families of fatty acids such as those belonging to the n-3 fatty acids. Furthermore, the interactions between diet and genetic polymorphisms are increasingly recognised for their potential risk-modifying effects on human health and disease. Therefore, the aim of the present review is to evaluate whether specific TFA isomers and genetic polymorphisms differentially modify cancer risk in prostate, colon and breast cancers in animal and human models. Potential mechanisms of action by which TFA may affect cancer development are also reviewed. Overall, across a number of experimental models and human studies, there is insufficient and inconsistent evidence linking specific TFA isomers to cancers of the prostate, colon and breast. A number of methodological limitations and experimental considerations were identified which may explain the inconsistencies observed across these studies. Therefore, further research is warranted to accurately assess the relationship between TFA and cancer risk.
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Abstract
The present review comes from the authors of the recent Scientific Advisory Committee on Nutrition (SACN) review Update on Trans Fatty Acids and Health, and focuses on assessing the strength of the evidence for a link between trans-fatty acid (trans-FA) intake and cancer. It evaluates a range of human ecological, case-control and prospective studies with trans-FA exposure assessed using either dietary assessment methods or trans-FA levels in tissues. Relevant animal studies are also presented in order to elucidate potential mechanisms. It concludes that there is weak and inconsistent evidence for a relationship between trans-FA and breast or colorectal cancer. Evidence for an association between trans-FA and prostate cancer is limited, but a recent large case-control study has shown a strong interaction between risk and trans-FA intake for the RNASEL QQ/RQ genotype that is present in about 35 % of the population. This potential association requires further investigation. The single study on non-Hodgkin's lymphoma reported a strong positive association, but only used a single assessment of dietary trans-FA made at the start of the study in 1980, and the significant changes in trans-FA intakes between then and the end of follow-up in 1994 limit the reliability of this observation. There is insufficient evidence to allow any differentiation between the effects of trans-FA from animal or vegetable origin on cancer risk.
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Abstract
Dietary trans FA at sufficiently high levels have been found to increase low density lipoprotein (LDL)-cholesterol and decrease high density lipoprotein (HDL)-cholesterol (and thus to increase the ratio of LDL-cholesterol/HDL-cholesterol) compared with diets high in cis monounsaturated FA or PUFA. The dietary levels of trans FA at which these effects are easily measured are around 4% of energy or higher to increase LDL-cholesterol and around 5 to 6% of energy or higher to decrease HDL-cholesterol, compared with essentially trans-free control diets. Very limited data at lower levels of intake (less than 4% of energy) are available. Most health professional organizations and some governments now recommend reduced consumption of foods containing trans FA, and effective January 1, 2006, the U.S. Food and Drug Administration requires the labeling of the amounts of trans FA per serving in packaged foods. In response, the food industry is working on ways to eliminate or greatly reduce trans FA in food products. Current efforts focus on four technological options: (i) modification of the hydrogenation process, (ii) use of interesterification, (iii) use of fractions high in solids from natural oils, and (iv) use of trait-enhanced oils. Challenges to the food industry in replacing trans FA in foods are to develop formulation options that provide equivalent functionality, are economically feasible, and do not greatly increase saturated FA content.
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Affiliation(s)
- J Edward Hunter
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221-0172, USA.
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Abstract
It will be apparent from this review that dietary fat can exert both specific and non-specific effects on carcinogenesis, at least in experimental animals. The non-specific effects appear to be related primarily to effects of dietary fat on energy balance. Although a positive energy balance can be achieved on a high-carbohydrate low-fat diet, it is much more likely to occur on a high-fat diet because of the high energy density of fat [101] and the fact that dietary fat is less capable of imparting a sense of satiety [102]. A continuing state of positive energy balance leads to obesity which has been associated with increased risk of cancer at a number of sites, including endometrium [103-106], postmenopausal breast cancer [107-113], renal cancer [114,115] and possibly cancers of the colorectum [116-122], pancreas [103,123] and prostate [124]. Whereas the non-specific effects of dietary fat appear to be deleterious for cancer, the specific effects in some cases can be beneficial. Examples are long-chain n-3 polyunsaturated fatty acids. CLA and tocotrienols. It is still too early to predict whether these may be of value in the prevention and/or treatment of human cancer but they seem worthy of further investigation. Knowledge of their mechanism of action may suggest novel approaches to the cancer problem and, as in the case of vitamins A and D, it may be possible to find analogues with more potent anti-cancer activity.
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Affiliation(s)
- N Guthrie
- Department of Biochemistry, University of Western Ontario, London, Canada.
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Koga T, Nonaka M, Gu JY, Sugano M. Linoleic and alpha-linolenic acids differently modify the effects of elaidic acid on polyunsaturated fatty acid metabolism and some immune indices in rats. Br J Nutr 1997; 77:645-56. [PMID: 9155511 DOI: 10.1079/bjn19970062] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
To explore whether the metabolic responses to trans, compared with cis, fatty acids depend on the source of dietary polyunsaturated fatty acids (PUFA), male Sprague-Dawley rats, 5 weeks old, were fed on diets containing 30 g oleic (cis) or elaidic (trans) acids/kg in combination with either 70 g perilla oil (alpha-linolenic acid) or safflowerseed oil (linoleic acid)/kg for 3 weeks in separate experiments. The dietary fats were adjusted to have the same level of total PUFA. The dietary manipulation did not influence the growth indices, but spleen weight was greater when the dietary PUFA source was perilla oil. The incorporation of trans fatty acid into liver phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol and phosphatidylserine and adipose tissue lipids, particularly phospholipids, was significantly higher when rats were fed on safflowerseed oil compared with perilla oil. However, only limited differences were observed in the effects of cis and trans fatty acids on the proportions of PUFA in liver phospholipids. Splenic production of prostaglandin E2 was reduced by trans fatty acid when safflowerseed oil was the PUFA source, but no trans effect was observed on leukotriene C4 production. Dietary PUFA significantly influenced the concentration of plasma immunoglobulins (Ig) but the effect of geometry was only seen in IgG which was increased by trans acid. Dietary trans fatty acid increased the CD4+:CD8+ T-lymphocyte ratio in the spleen, reflecting a decreasing trend of the proportion of CD8+, when combined with perilla oil. These observations indicate that the type of PUFA simultaneously ingested specifically influences the effect that trans acid exerts on PUFA metabolism, eicosanoid production and some immune indices.
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Affiliation(s)
- T Koga
- Department of Food and Nutrition, Nakamura Gauen College, Fukuoka, Japan
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Eynard AR, Manzur T, Moyano A, Quiroga P, Muñoz S, Silva SM. Dietary deficiency or enrichment of essential fatty acids modulates tumorigenesis in the whole body of cobalt-60-irradiated mice. Prostaglandins Leukot Essent Fatty Acids 1997; 56:239-44. [PMID: 9089806 DOI: 10.1016/s0952-3278(97)90542-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The effect of dietary polyunsaturated fatty acids (PUFAs) on whole body-induced tumorigenesis was assayed in mice fed on essential fatty acid sufficient (EFAS) or essential fatty acid deficient (EFAD) diets following cobalt-60 irradiation. Four groups of mice were maintained, one on a control stock diet and three on experimental diets: a) without added fat (fat free, FF); b) containing 5% olein (O), rich in n-9; and c) containing 5% corn oil, rich in n-6 EFA (CO). Only mice fed on FF or O diets showed clinical and biochemical signs of EFAD. Total incidence of tumors showed an increase in FF (P < 0.02) and O (P < 0.03) mice. Tumors developed mostly in the liver in each of the EFAD groups (P < 0.001). Slight promoting activity on lung tumorigenesis was recorded in the CO group when this parameter was compared in EFAD and EFA sufficient mice. It may be concluded that, when a tumor initiator injures the body as a whole, EFAD, achieved either through a fat-free or an oleic-supplemented diet, behaves as a general promoting condition for tumorigenesis. The borderline tumorigenic effect of n-6 corn oil on the lungs suggests that this effect, when present, is target specific.
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Affiliation(s)
- A R Eynard
- Instituto Biologia Celular (FCM-UNC), CONICET, Cordoba, Argentina
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Abstract
Despite a general lack of evidence for the carcinogenic effects of trans fatty acids, some recent research and popular media have suggested a possible association. The available scientific data do not support this relationship and are reviewed so as to put this issue in perspective.
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Affiliation(s)
- C Ip
- Department of Surgical Oncology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
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Silva RA, Muñoz SE, Guzmán CA, Eynard AR, Evnard AR. Effects of dietary n-3, n-6 and n-9 polyunsaturated fatty acids on benzo(a)pyrene-induced forestomach tumorigenesis in C57BL6J mice. Prostaglandins Leukot Essent Fatty Acids 1995; 53:273-7. [PMID: 8577781 DOI: 10.1016/0952-3278(95)90127-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The modulating effect of dietary polyunsaturated fatty acids (PUFAs) on benzo(a)pyrene-induced forestomach tumorigenesis was assayed in mice fed with corn oil (CO), olein (O), Zizyphus mistol seed oil (MO), cod liver oil (CLO), and mixed fat (Stock diet). The fatty acid composition of liver lipids correlated well with the fatty acid composition of each diet. Only mice fed the O diet showed biochemical and clinical evidences of essential fatty acid deficiency (EFAD). Only 3 animals developed well-differentiated invading squamous cell carcinomas in the O group. The papilloma incidence was reduced in MO and CLO with respect to the O group. Forestomach papillomatosis was increased in mice fed an n-9 enriched diet in comparison to stock and CO groups. In comparison with stock mice, the frequency of multiple epidermoidal hyperplasia (MEH) was significantly decreased in the CLO group. Animals fed n-3 enriched diets (MO and CLO) showed significant antipromoting effect. These findings indicate that dietary fat can modulate tumorigenesis initiated in mouse forestomach by benzo(a)pyrene. In addition, the lack of action of an n-6 fatty acid-enriched diet in our experimental model suggests that the effect of PUFAs on tumorigenesis has target-tissue specificity. Mistol seed oil might be of potential value as a natural vegetable antipromoter nutrient.
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Affiliation(s)
- R A Silva
- Cátedra de Histologia, Instituto de Biologia Celular (FCM), Universidad Nacional de Córdoba-CONICET, Argentina
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Koga T, Yamato T, Ikeda I, Sugano M. Effects of randomization of partially hydrogenated corn oil on fatty acid and cholesterol absorption, and tissue lipid levels in rats. Lipids 1995; 30:935-40. [PMID: 8538381 DOI: 10.1007/bf02537485] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Randomization of partially hydrogenated corn oil containing approximately 45% of trans octadecenoic acid only slightly, but not significantly, increased the lymphatic fatty acid absorption in rats. No effect of randomization was observed on cholesterol absorption. When rats were fed these fats at the 8.8% level (with 1.2% safflower oil) for three weeks, the concentrations of serum cholesterol, and serum and liver phospholipid were significantly higher in randomized fat than in control fat, which was composed of 9% high-oleic safflower oil and 1% palm oil. Liver cholesterol tended to be higher in randomized fat. In contrast, nonrandomized fat was not hyperlipidemic compared to control fat. Although the fatty acid composition of liver phospholipids suggested a possible interference of trans fatty acid with the metabolism of linoleic acid to arachidonic acid, there was no effect of randomization. In the two hydrogenated fat groups, trans octadecenoic acid was incorporated and distributed similarly in adipose tissue triacylglycerol. These observations indicated that randomization of partially hydrogenated fat is not beneficial to various lipid parameters in rats.
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Affiliation(s)
- T Koga
- Department of Food and Nutrition, Nakamura Gakuen University, Fukuoka, Japan
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Abstract
Studies of the relationship between dietary fat intake and colon-cancer risk are generally inconsistent. Animal studies show that caloric (energy) restriction will inhibit the growth of spontaneous or experimentally induced tumors. Exercise reduces the incidence of chemically induced tumors in rats and vigorous occupational activity has been shown to reduce colon-cancer risk in men. Reduced energy intake and/or increased energy output may provide a simple means for lowering cancer risk in man.
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Berner LA. Defining the role of milkfat in balanced diets. ADVANCES IN FOOD AND NUTRITION RESEARCH 1993; 37:131-257. [PMID: 8398045 DOI: 10.1016/s1043-4526(08)60117-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Record IR, Konstantinopoulos M, Nestel PJ. A comparative study of micronucleus frequency in peripheral blood lymphocytes of human subjects given dietary cis, trans and saturated fat. Food Chem Toxicol 1992; 30:585-8. [PMID: 1521832 DOI: 10.1016/0278-6915(92)90192-n] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The micronucleus test using peripheral blood lymphocytes has been used to study the clastogenic effects of saturated, cis or trans fatty acids in human volunteers. Consumption of diets rich in either saturated fats (palmitic acid), monounsaturated cis fats (oleic acid) or monounsaturated trans fats (elaidic acid) for 3 wk had no effect on either the number of micronuclei or the frequency of micronucleated cells in lymphocytes in culture. This study adds to the accumulating body of evidence to suggest that dietary intake of trans fatty acids is not especially linked to genetic damage.
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Affiliation(s)
- I R Record
- CSIRO Division of Human Nutrition, Adelaide, S. Australia
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Kritchevsky D, Weber MM, Klurfeld DM. Influence of different fats (Soybean oil, palm olein or hydrogenated soybean oil) on chemically-induced mammary tumors in rats. Nutr Res 1992. [DOI: 10.1016/s0271-5317(05)80462-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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