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Podpeskar A, Crazzolara R, Kropshofer G, Hetzer B, Rabensteiner E, Meister B, Obexer P, Salvador C. Recommendations for Nutritional Supplementation in Pediatric Oncology: A Compilation of the Facts. Nutrients 2023; 15:3239. [PMID: 37513658 PMCID: PMC10386187 DOI: 10.3390/nu15143239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND As one of the few modifiable risk factors, the importance of dietary patterns for both disease prevention and treatment outcome in pediatric oncology has gained increasing popularity. Malnutrition is associated with lower survival rates, tolerance to treatment, and quality of life. Yet, especially in children with malignancies, nutritional deterioration is common, and pediatric cancer patients often present with inadequate intake of micro- and macronutrients alike. Despite the reported widespread use of dietary supplements, few empirical data provide a basis for clinical recommendations, and evidence for their efficacy is inconsistent. Current literature lacks a systematic approach as to how and which supplements should be recommended for specific patients, types of cancer, or during specific treatments. The aim of this review is to highlight the role of the most frequently used nutrients in pediatric malignant diseases and to give a practical guide based on current scientific evidence. METHODS A comprehensive literature search was conducted on PubMed through April 2023 to select meta-analyses, systematic reviews, observational studies, and individual randomized controlled trials (RCTs) of macro- and micronutrient supplementation in pediatric oncology. The search strategy included the following medical subject headings (MeSH) and keywords: "childhood cancer", "pediatric oncology", "nutritional status", "dietary supplements", "vitamins", "micronutrients", "calcium", "magnesium", "vitamin D", "zinc" "glutamine", "selen", and "omega-3 fatty acids". The reference lists of all relevant articles were screened to include potentially pertinent studies. RESULTS The present review provides a comprehensive and updated overview of the latest evidence about the role of nutrition and diet in pediatric oncology, also focusing on different nutritional interventions available for the management of the disease. We summarize evidence about the importance of adequate nutrition in childhood cancer and the role of several micronutrients and critically interpret the findings. Possible effects and benefits of supplementation during chemotherapy are discussed, as are strategies for primary and secondary prevention. CONCLUSIONS We here describe the obvious benefits of dietary supplementation for childhood cancer. Further large-scale clinical trials are required to verify the impacts of deficiencies and the possible benefits of supplementation and optimal dosages. (337 words).
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Affiliation(s)
- Alexandra Podpeskar
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Roman Crazzolara
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Gabriele Kropshofer
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Benjamin Hetzer
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Evelyn Rabensteiner
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Bernhard Meister
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
| | - Petra Obexer
- Department of Pediatrics II, Institute of Experimental Neonatology, Medical University of Innsbruck, 6020 Innsbruck, Austria
| | - Christina Salvador
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria
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Mora J, Castañeda A, Gorostegui M, Varo A, Perez-Jaume S, Simao M, Muñoz JP, Garraus M, Larrosa C, Salvador N, Lavarino C, Krauel L, Mañe S. Naxitamab Combined with Granulocyte-Macrophage Colony-Stimulating Factor as Consolidation for High-Risk Neuroblastoma Patients in First Complete Remission under Compassionate Use-Updated Outcome Report. Cancers (Basel) 2023; 15:cancers15092535. [PMID: 37174002 PMCID: PMC10177429 DOI: 10.3390/cancers15092535] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/27/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
Naxitamab is an anti-GD2 antibody approved for the treatment of relapsed/refractory HR-NB. We report the survival, safety, and relapse pattern of a unique set of HR-NB patients consolidated with naxitamab after having achieved first CR. Eighty-two patients were treated with 5 cycles of GM-CSF for 5 days at 250 μg/m2/day (-4 to 0), followed by GM-CSF for 5 days at 500 μg/m2/day (1-5) and naxitamab at 3 mg/kg/day (1, 3, 5), on an outpatient basis. All patients but one were older than 18 months at diagnosis and had stage M; 21 (25.6%) pts had MYCN-amplified (A) NB; and 12 (14.6%) detectable MRD in the BM. Eleven (13.4%) pts had received high-dose chemotherapy and ASCT and 26 (31.7%) radiotherapy before immunotherapy. With a median follow-up of 37.4 months, 31 (37.8%) pts have relapsed. The pattern of relapse was predominantly (77.4%) an isolated organ. Five-year EFS and OS were 57.9% (71.4% for MYCN A) 95% CI = (47.2, 70.9%); and 78.6% (81% for MYCN A) 95% CI = (68.7%, 89.8%), respectively. EFS showed significant differences for patients having received ASCT (p = 0.037) and pre-immunotherapy MRD (p = 0.0011). Cox models showed only MRD as a predictor of EFS. In conclusion, consolidation with naxitamab resulted in reassuring survival rates for HR-NB patients after end-induction CR.
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Affiliation(s)
- Jaume Mora
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Alicia Castañeda
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Maite Gorostegui
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Amalia Varo
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Sara Perez-Jaume
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Margarida Simao
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Juan Pablo Muñoz
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Moira Garraus
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Cristina Larrosa
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Noelia Salvador
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Cinzia Lavarino
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Lucas Krauel
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
| | - Salvador Mañe
- Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
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Wang K, Yang T, Zhang Y, Gao X, Tao L. The opportunities and challenges for nutritional intervention in childhood cancers. Front Nutr 2023; 10:1091067. [PMID: 36925958 PMCID: PMC10012036 DOI: 10.3389/fnut.2023.1091067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 01/25/2023] [Indexed: 02/15/2023] Open
Abstract
Diet dictates nutrient availability in the tumor microenvironment, thus affecting tumor metabolic activity and growth. Intrinsically, tumors develop unique metabolic features and are sensitive to environmental nutrient concentrations. Tumor-driven nutrient dependencies provide opportunities to control tumor growth by nutritional restriction or supplementation. This review summarized the existing data on nutrition and pediatric cancers after systematically searching articles up to 2023 from four databases (PubMed, Web of Science, Scopus, and Ovid MEDLINE). Epidemiological studies linked malnutrition with advanced disease stages and poor clinical outcomes in pediatric cancer patients. Experimental studies identified several nutrient dependencies (i.e., amino acids, lipids, vitamins, etc.) in major pediatric cancer types. Dietary modifications such as calorie restriction, ketogenic diet, and nutrient restriction/supplementation supported pediatric cancer treatment, but studies remain limited. Future research should expand epidemiological studies through data sharing and multi-institutional collaborations and continue to discover critical and novel nutrient dependencies to find optimal nutritional approaches for pediatric cancer patients.
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Affiliation(s)
- Kaiyue Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Institute of Nutrition, Fudan University, Shanghai, China
| | - Tianyou Yang
- Department of Pediatric Surgery, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yubin Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Institute of Nutrition, Fudan University, Shanghai, China
| | - Xiang Gao
- Department of Nutrition and Food Hygiene, School of Public Health, Institute of Nutrition, Fudan University, Shanghai, China
| | - Ling Tao
- Department of Nutrition and Food Hygiene, School of Public Health, Institute of Nutrition, Fudan University, Shanghai, China
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Ljungblad L, Bergqvist F, Tümmler C, Madawala S, Olsen TK, Andonova T, Jakobsson PJ, Johnsen JI, Pickova J, Strandvik B, Kogner P, Gleissman H, Wickström M. Omega-3 fatty acids decrease CRYAB, production of oncogenic prostaglandin E 2 and suppress tumor growth in medulloblastoma. Life Sci 2022; 295:120394. [PMID: 35157910 DOI: 10.1016/j.lfs.2022.120394] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 02/05/2022] [Accepted: 02/07/2022] [Indexed: 12/09/2022]
Abstract
AIMS Medulloblastoma (MB) is one of the most common malignant central nervous system tumors of childhood. Despite intensive treatments that often leads to severe neurological sequelae, the risk for resistant relapses remains significant. In this study we have evaluated the effects of the ω3-long chain polyunsaturated fatty acids (ω3-LCPUFA) docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) on MB cell lines and in a MB xenograft model. MAIN METHODS Effects of ω3-LCPUFA treatment of MB cells were assessed using the following: WST-1 assay, cell death probes, clonogenic assay, ELISA and western blot. MB cells were implanted into nude mice and the mice were randomized to DHA, or a combination of DHA and EPA treatment, or to control group. Treatment effects in tumor tissues were evaluated with: LC-MS/MS, RNA-sequencing and immunohistochemistry, and tumors, erythrocytes and brain tissues were analyzed with gas chromatography. KEY FINDINGS ω3-LCPUFA decreased prostaglandin E2 (PGE2) secretion from MB cells, and impaired MB cell viability and colony forming ability and increased apoptosis in a dose-dependent manner. DHA reduced tumor growth in vivo, and both PGE2 and prostacyclin were significantly decreased in tumor tissue from treated mice compared to control animals. All ω3-LCPUFA and dihomo-γ-linolenic acid increased in tumors from treated mice. RNA-sequencing revealed 10 downregulated genes in common among ω3-LCPUFA treated tumors. CRYAB was the most significantly altered gene and the downregulation was confirmed by immunohistochemistry. SIGNIFICANCE Our findings suggest that addition of DHA and EPA to the standard MB treatment regimen might be a novel approach to target inflammation in the tumor microenvironment.
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Affiliation(s)
- Linda Ljungblad
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.
| | - Filip Bergqvist
- Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet, and Karolinska University Hospital, Stockholm, Sweden
| | - Conny Tümmler
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Samanthi Madawala
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Thale Kristin Olsen
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Teodora Andonova
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Per-Johan Jakobsson
- Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet, and Karolinska University Hospital, Stockholm, Sweden
| | - John Inge Johnsen
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Jana Pickova
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Birgitta Strandvik
- Department of Biosciences and Nutrition Karolinska Institutet, NEO, Flemingsberg, Stockholm, Sweden
| | - Per Kogner
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden; Pediatric Oncology, Astrid Lindgrens Childrens Hospital, Karolinska University Hospital, Stockholm, Sweden
| | - Helena Gleissman
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Malin Wickström
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
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Zhang X, Ma Y, Wan J, Yuan J, Wang D, Wang W, Sun X, Meng Q. Biomimetic Nanomaterials Triggered Ferroptosis for Cancer Theranostics. Front Chem 2021; 9:768248. [PMID: 34869212 PMCID: PMC8635197 DOI: 10.3389/fchem.2021.768248] [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: 08/31/2021] [Accepted: 10/04/2021] [Indexed: 01/17/2023] Open
Abstract
Ferroptosis, as a recently discovered non-apoptotic programmed cell death with an iron-dependent form, has attracted great attention in the field of cancer nanomedicine. However, many ferroptosis-related nano-inducers encountered unexpected limitations such as immune exposure, low circulation time, and ineffective tumor targeting. Biomimetic nanomaterials possess some unique physicochemical properties which can achieve immune escape and effective tumor targeting. Especially, certain components of biomimetic nanomaterials can further enhance ferroptosis. Therefore, this review will provide a comprehensive overview on recent developments of biomimetic nanomaterials in ferroptosis-related cancer nanomedicine. First, the definition and character of ferroptosis and its current applications associated with chemotherapy, radiotherapy, and immunotherapy for enhancing cancer theranostics were briefly discussed. Subsequently, the advantages and limitations of some representative biomimetic nanomedicines, including biomembranes, proteins, amino acids, polyunsaturated fatty acids, and biomineralization-based ferroptosis nano-inducers, were further spotlighted. This review would therefore help the spectrum of advanced and novice researchers who are interested in this area to quickly zoom in the essential information and glean some provoking ideas to advance this subfield in cancer nanomedicine.
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Affiliation(s)
- Xinyu Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yanling Ma
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, Singapore
| | - Jipeng Wan
- School of Chemistry and Pharmaceutical Engineering, Institute of Optical Functional Materials for Biomedical Imaging, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
| | - Jia Yuan
- School of Chemistry and Pharmaceutical Engineering, Institute of Optical Functional Materials for Biomedical Imaging, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
| | - Diqing Wang
- School of Chemistry and Pharmaceutical Engineering, Institute of Optical Functional Materials for Biomedical Imaging, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
| | - Weiyi Wang
- School of Chemistry and Pharmaceutical Engineering, Institute of Optical Functional Materials for Biomedical Imaging, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
| | - Xiao Sun
- School of Chemistry and Pharmaceutical Engineering, Institute of Optical Functional Materials for Biomedical Imaging, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
| | - Qingwei Meng
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
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Ljungblad L, Gleissman H, Hedberg G, Wickström M, Eissler N, Pickova J, Johnsen JI, Tedroff K, Strandvik B, Kogner P. Body surface area-based omega-3 fatty acids supplementation strongly correlates to blood concentrations in children. Prostaglandins Leukot Essent Fatty Acids 2021; 169:102285. [PMID: 33964665 DOI: 10.1016/j.plefa.2021.102285] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/19/2021] [Accepted: 04/19/2021] [Indexed: 12/31/2022]
Abstract
Omega-3 fatty acids have been suggested as a complement in cancer treatment, but doses are not established. We performed a dose-finding study in 33 children in remission from cancer. Participants were allocated to a body surface area (BSA) adjusted dose (mg/m2) of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) (40:60), ranging 233-3448 mg/m2 daily for 90 days. Fatty acid concentration in plasma phospholipids and red blood cells were determined by GC. Supplementation was well tolerated and correlated strongly with blood ω3-fatty acid concentrations and EPA showed the highest increase. Using the ω3-index disregards docosapentaenoic acid (DPA), which increased 30-43% in our study motivating an EDD-index (∑EPA,DPA,DHA). The ratio between arachidonic acid and EPA or DHA showed negative exponential trends. Dose per BSA enabled an individualized omega-3 supplementation decreasing the variation referred to interindividual differences. Based on our results, we suggest a dose of 1500 mg/m2 BSA for further studies.
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Affiliation(s)
- L Ljungblad
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.
| | - H Gleissman
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - G Hedberg
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - M Wickström
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - N Eissler
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - J Pickova
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - J I Johnsen
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - K Tedroff
- Neuropediatric Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - B Strandvik
- Department of Biosciences and Nutrition, Karolinska Institutet NEO, Flemingsberg, Stockholm, Sweden
| | - P Kogner
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden; Pediatric Oncology, Astrid Lindgrens Childrens Hospital, Karolinska University Hospital, Stockholm, Sweden.
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7
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Podpeskar A, Crazzolara R, Kropshofer G, Hetzer B, Meister B, Müller T, Salvador C. Omega-3 Fatty Acids and Their Role in Pediatric Cancer. Nutrients 2021; 13:1800. [PMID: 34073158 PMCID: PMC8226718 DOI: 10.3390/nu13061800] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/14/2021] [Accepted: 05/19/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Malnutrition is common in children with cancer and is associated with adverse clinical outcomes. The need for supportive care is becoming ever more evident and the role of nutrition in oncology is still not sufficiently understood. In particular, the consequences of macro- and micronutrient deficiencies require further research. As epidemiological data suggest anti-tumoral properties of omega-3 (n-3) polyunsaturated fatty acids (PUFAs), we reviewed the role of nutrition and n-3 supplementation in pediatric oncology. METHODS A comprehensive literature search was conducted on PubMed through 5 February 2021 to select meta-analyses, systematic reviews, observational studies, and individual randomized controlled trials (RCTs) on macro- and micronutrient supplementation in pediatric oncology. The search strategy included the following medical subject headings (MeSH) and keywords: "childhood cancer", "pediatric oncology", "nutritional status", "malnutrition", and "omega-3-fatty-acids". The reference lists of all relevant articles were screened to include potentially pertinent studies. RESULTS We summarize evidence about the importance of adequate nutrition in childhood cancer and the role of n-3 PUFAs and critically interpret findings. Possible effects of supplementation on the nutritional status and benefits during chemotherapy are discussed as well as strategies for primary and secondary prevention. CONCLUSION We here describe the obvious benefits of omega-3 supplementation in childhood cancer. Further large scale clinical trials are required to verify potential anti-cancer effects of n-3 fatty acids.
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Affiliation(s)
| | | | | | | | | | | | - Christina Salvador
- Department of Pediatrics I, Division of Hematology and Oncology, Medical University of Innsbruck, 6020 Innsbruck, Austria; (A.P.); (R.C.); (G.K.); (B.H.); (B.M.); (T.M.)
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Story MJ. Zinc, ω-3 polyunsaturated fatty acids and vitamin D: An essential combination for prevention and treatment of cancers. Biochimie 2020; 181:100-122. [PMID: 33307154 DOI: 10.1016/j.biochi.2020.11.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 11/14/2020] [Accepted: 11/25/2020] [Indexed: 02/07/2023]
Abstract
Zinc, ω-3 polyunsaturated fatty acids (PUFAs) and vitamin D are essential nutrients for health, maturation and general wellbeing. Extensive literature searches have revealed the widespread similarity in molecular biological properties of zinc, ω-3 PUFAs and vitamin D, and their similar anti-cancer properties, even though they have different modes of action. These three nutrients are separately essential for good health, especially in the aged. Zinc, ω-3 PUFAs and vitamin D are inexpensive and safe as they are fundamentally natural and have the properties of correcting and inhibiting undesirable actions without disturbing the normal functions of cells or their extracellular environment. This review of the anticancer properties of zinc, ω-3 PUFAs and vitamin D is made in the context of the hallmarks of cancer. The anticancer properties of zinc, ω-3 PUFAs and vitamin D can therefore be used beneficially through combined treatment or supplementation. It is proposed that sufficiency of zinc, ω-3 PUFAs and vitamin D is a necessary requirement during chemotherapy treatment and that clinical trials can have questionable integrity if this sufficiency is not checked and maintained during efficacy trials.
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Affiliation(s)
- Michael J Story
- Story Pharmaceutics Pty Ltd, PO Box 6086, Linden Park, South Australia, 5065, Australia.
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9
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Cancer diets for cancer patients: Lessons from mouse studies and new insights from the study of fatty acid metabolism in tumors. Biochimie 2020; 178:56-68. [PMID: 32890677 DOI: 10.1016/j.biochi.2020.08.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 07/29/2020] [Accepted: 08/30/2020] [Indexed: 12/15/2022]
Abstract
Specific diets for cancer patients have the potential to offer an adjuvant modality to conventional anticancer therapy. If the concept of starving cancer cells from nutrients to inhibit tumor growth is quite simple, the translation into the clinics is not straightforward. Several diets have been described including the Calorie-restricted diet based on a reduction in carbohydrate intake and the Ketogenic diet wherein the low carbohydrate content is compensated by a high fat intake. As for other diets that deviate from normal composition only by one or two amino acids, these diets most often revealed a reduction in tumor growth in mice, in particular when associated with chemo- or radiotherapy. By contrast, in cancer patients, the interest of these diets is almost exclusively supported by case reports precluding any conclusions on their real capacity to influence disease outcome. In parallel, the field of tumor lipid metabolism has emerged in the last decade offering a better understanding of how fatty acids are captured, synthesized or stored as lipid droplets in cancers. Fatty acids participate to cancer cell survival in the hypoxic and acidic tumor microenvironment and also support proliferation and invasiveness. Interestingly, while such addiction for fatty acids may account for cancer progression associated with high fat diet, it could also represent an Achilles heel for tumors. In particular n-3 polyunsaturated fatty acids represent a class of lipids that can exert potent cytotoxic effects in tumors and therefore represent an attractive diet supplementation to improve cancer patient outcomes.
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10
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Combination of ω-3 fatty acids and cisplatin as a potential alternative strategy for personalized therapy of metastatic melanoma: an in-vitro study. Melanoma Res 2019; 29:270-280. [PMID: 30550405 DOI: 10.1097/cmr.0000000000000564] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The recently developed therapeutic strategies have led to unprecedented improvements in the control of metastatic melanoma and in the survival of specific subgroups of patients. However, drug resistance, low response rates, and undesired side effects make these treatments not suitable or tolerable for all the patients, and chemotherapeutic treatments appear still indispensable, at least for subgroups of patients. New combinatory strategies are also under investigation as tailored treatments or salvage therapies, including combined treatments of immunotherapy with conventional chemotherapy. On this basis, and in consideration of the antineoplastic properties of ω-3 polyunsaturated fatty acids, we have here investigated the potential of these bioactive dietary factors to revert the resistance frequently exhibited by this form of cancer to cisplatin (CDDP, cis-diamminedichloroplatinum). We demonstrated that docosahexenoic acid (DHA, 22:6ω-3) sensitizes the cells to the CDDP-induced inhibition of cell growth and migration by reverting CDDP effects on DNA damage and ERCC1 expression, as well as on the DUSP6 and p-ERK expressions, which regulate ERCC1 activation upwardly. In line, DUSP6 gene silencing prevented the effect of DHA, confirming that DHA acted on the DUSP6/p-ERK/ERCC1 repair pathways to sensitize melanoma cells to the anticancer effect of CDDP. Similar effects were obtained also with eicosapentaenoic acid (20:5ω-3). Overall, our findings suggest that the combination of CDDP treatment with a dietary supplementation with ω-3 polyunsaturated fatty acids could potentially represent a new therapeutic strategy for overcoming CDDP resistance in metastatic melanoma.
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Qian XL, Pan YH, Huang QY, Shi YB, Huang QY, Hu ZZ, Xiong LX. Caveolin-1: a multifaceted driver of breast cancer progression and its application in clinical treatment. Onco Targets Ther 2019; 12:1539-1552. [PMID: 30881011 PMCID: PMC6398418 DOI: 10.2147/ott.s191317] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Human breast cancer is one of the most frequent cancer diseases and causes of death among female population worldwide. It appears at a high incidence and has a high malignancy, mortality, recurrence rate and poor prognosis. Caveolin-1 (Cav1) is the main component of caveolae and participates in various biological events. More and more experimental studies have shown that Cav1 plays a critical role in the progression of breast cancer including cell proliferation, apoptosis, autophagy, invasion, migration and breast cancer metastasis. Besides, Cav1 has been found to be involved in chemotherapeutics and radiotherapy resistance, which are still the principal problems encountered in clinical breast cancer treatment. In addition, stromal Cav1 may be a potential indicator for breast cancer patients' prognosis. In the current review, we cover the state-of-the-art study, development and progress on Cav1 and breast cancer, altogether describing the role of Cav1 in breast cancer progression and application in clinical treatment, in the hope of providing a basis for further research and promoting CAV1 gene as a potential target to diagnose and treat aggressive breast cancers.
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Affiliation(s)
- Xian-Ling Qian
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China, ;
- First Clinical Medical College, Nanchang University, Nanchang 330006, China
| | - Yi-Hang Pan
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China, ;
- First Clinical Medical College, Nanchang University, Nanchang 330006, China
| | - Qi-Yuan Huang
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China, ;
- Second Clinical Medical College, Nanchang University, Nanchang 330006, China
| | - Yu-Bo Shi
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China, ;
| | - Qing-Yun Huang
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China, ;
| | - Zhen-Zhen Hu
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China, ;
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang 330006, China, ;
| | - Li-Xia Xiong
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China, ;
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang 330006, China, ;
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12
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Lee HJ, Han YM, An JM, Kang EA, Park YJ, Cha JY, Hahm KB. Role of omega-3 polyunsaturated fatty acids in preventing gastrointestinal cancers: current status and future perspectives. Expert Rev Anticancer Ther 2018; 18:1189-1203. [DOI: 10.1080/14737140.2018.1524299] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Ho-Jae Lee
- Department of Biochemistry, Gachon University College of Medicine, Incheon, Korea
| | - Young-Min Han
- Western Seoul Center, Korea Basic Science Institute, Seoul, Korea
| | - Jeong Min An
- CHA Cancer Preventive Research Center, CHA Bio Complex, Pangyo, Korea
| | - Eun A. Kang
- CHA Cancer Preventive Research Center, CHA Bio Complex, Pangyo, Korea
| | | | - Ji-Young Cha
- Department of Biochemistry, Gachon University College of Medicine, Incheon, Korea
| | - Ki Baik Hahm
- CHA Cancer Preventive Research Center, CHA Bio Complex, Pangyo, Korea
- Digestive Disease Center, CHA University Bundang Medical Center, Seongnam, Korea
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13
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Wang HB, Li T, Ma DZ, Zhi H. ERα36 gene silencing promotes tau protein phosphorylation, inhibits cell proliferation, and induces apoptosis in human neuroblastoma SH-SY5Y cells. FASEB J 2018; 32:fj201701386. [PMID: 29932870 DOI: 10.1096/fj.201701386] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Neuroblastoma is the most common cancer in infants and the third most common cancer in children after leukemia and brain cancer. The purpose of our study was to investigate the effects of estrogen receptor (ER)-α36 gene silencing on tau protein phosphorylation, cell proliferation, and cell apoptosis in human neuroblastoma SH-SY5Y cells. SH-SY5Y cells were treated with estrogen or left untreated, to investigate the effects of estrogen stimulation on ERα36 and the ERK/protein B kinase (AKT) signaling pathway. ERα36 mRNA expressions were detected by quantitative RT-PCR. A phosphatase kit was used to test protein phosphatase (PP)-2A activity before and after treatment. Western blot analysis was conducted to detect protein expression of ERα36; tau protein; phosphorylated- tau (p-tau) at site Thr231 [p-tau (Thr231)]; glycogen synthase kinase (GSK)3β and its specificity sites (Tyr216 and Ser9); Cyclin Dl; proliferating cell nuclear antigen (PCNA); B-cell lymphoma (Bcl)-2; and Bcl-2-associated X protein (Bax). A cell-counting kit (CCK)-8 assay was used to determine cell viability. Cell apoptosis and rate of tumor growth and volume were determined by Annexin V-FITC/PI staining and a xenotransplanted tumor model in nude mice. Results show that without estrogen stimulation, ERα36 was inactivated. When stimulated by estrogen, expression of ERα36, PP2A, p-GSK3β (Ser9)/total protein ( t)-GSK3β, Cyclin Dl, PCNA, and Bcl-2 were up-regulated, and p-GSK3β (Tyr216)/ t-GSK3β expression was down-regulated, as was p-tau (Thr231) and Bax expression. The expression of p-ERK/ERK, p-AKT/AKT, p-methyl ethyl ketone (MEK)/MEK, and p-mammalian target of rapamycin (mTOR)/mTOR expression was up-regulated, suggesting that the ERK/AKT signaling pathway is activated. Cell proliferation was also accelerated, whereas apoptosis was inhibited with stimulation by estrogen. However, we found that the effects of silencing ERα36 on the expression of related intracellular factors had no association with estrogen. Our study demonstrates that ERα36 gene silencing can inhibit the activation of the ERK/AKT signaling pathway, increase tau protein phosphorylation, decrease cell vitality and tumorigenicity, and promote apoptosis of human neuroblastoma SH-SY5Y cells.-Wang, H.-B., Li, T., Ma, D.-Z., Zhi, H. ERα36 gene silencing promotes tau protein phosphorylation, inhibits cell proliferation, and induces apoptosis in human neuroblastoma SH-SY5Y cells.
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Affiliation(s)
- Hong-Bin Wang
- Department of Neurosurgery, Affiliated Hospital, Hebei University of Engineering, Handan, China
| | - Tao Li
- Department of Neurosurgery, Affiliated Hospital, Hebei University of Engineering, Handan, China
| | - Dong-Zhou Ma
- Department of Neurosurgery, Affiliated Hospital, Hebei University of Engineering, Handan, China
| | - Hua Zhi
- Department of Cardiology, Affiliated Hospital, Hebei University of Engineering, Handan, China
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14
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Chlenski A, Dobratic M, Salwen HR, Applebaum M, Guerrero LJ, Miller R, DeWane G, Solomaha E, Marks JD, Cohn SL. Secreted protein acidic and rich in cysteine (SPARC) induces lipotoxicity in neuroblastoma by regulating transport of albumin complexed with fatty acids. Oncotarget 2018; 7:77696-77706. [PMID: 27776337 PMCID: PMC5363614 DOI: 10.18632/oncotarget.12773] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Accepted: 10/11/2016] [Indexed: 12/11/2022] Open
Abstract
SPARC is a matrix protein that mediates interactions between cells and the microenvironment. In cancer, SPARC may either promote or inhibit tumor growth depending upon the tumor type. In neuroblastoma, SPARC is expressed in the stromal Schwannian cells and functions as a tumor suppressor. Here, we developed a novel in vivo model of stroma-rich neuroblastoma using non-tumorigenic SHEP cells with modulated levels of SPARC, mixed with tumorigenic KCNR cells. Tumors with stroma-derived SPARC displayed suppressed growth, inhibited angiogenesis and increased lipid accumulation. Based on the described chaperone function of SPARC, we hypothesized that SPARC binds albumin complexed with fatty acids and transports them to tumors. We show that SPARC binds albumin with Kd=18.9±2.3 uM, and enhances endothelial cell internalization and transendothelial transport of albumin in vitro. We also demonstrate that lipids induce toxicity in neuroblastoma cells and show that lipotoxicity is increased when cells are cultured in hypoxic conditions. Studies investigating the therapeutic potential of SPARC are warranted.
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Affiliation(s)
| | - Marija Dobratic
- Department of Pediatrics, University of Chicago, Chicago, IL, USA
| | - Helen R Salwen
- Department of Pediatrics, University of Chicago, Chicago, IL, USA
| | - Mark Applebaum
- Department of Pediatrics, University of Chicago, Chicago, IL, USA
| | - Lisa J Guerrero
- Department of Pediatrics, University of Chicago, Chicago, IL, USA
| | - Ryan Miller
- Department of Pediatrics, University of Chicago, Chicago, IL, USA
| | - Gillian DeWane
- Department of Pediatrics, University of Chicago, Chicago, IL, USA
| | - Elena Solomaha
- Biological Sciences Division, Biophysics Core Facility, University of Chicago, Chicago, IL, USA
| | - Jeremy D Marks
- Department of Pediatrics, University of Chicago, Chicago, IL, USA
| | - Susan L Cohn
- Department of Pediatrics, University of Chicago, Chicago, IL, USA
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15
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Zheng W, Li J, Wang X, Yuan Y, Zhang J, Xiu Z. Effects of Antarctic krill docosahexaenoic acid on MCF-7 cell migration and invasion induced by the interaction of CD95 with caveolin-1. Life Sci 2018; 192:270-277. [DOI: 10.1016/j.lfs.2017.11.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 10/09/2017] [Accepted: 11/07/2017] [Indexed: 12/31/2022]
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16
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Docosahexaenoic acid (DHA) promotes immunogenic apoptosis in human multiple myeloma cells, induces autophagy and inhibits STAT3 in both tumor and dendritic cells. Genes Cancer 2017; 8:426-437. [PMID: 28435516 PMCID: PMC5396621 DOI: 10.18632/genesandcancer.131] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Docosahexaenoic acid (DHA), a ω-3 polyunsaturated fatty acid found in fish oil, is a multi-target agent and exerts anti-inflammatory and anticancer activities alone or in combination with chemotherapies. Combinatorial anticancer therapies, which induce immunogenic apoptosis, autophagy and STAT3 inhibition have been proposed for long-term therapeutic success. Here, we found that DHA promoted immunogenic apoptosis in multiple myeloma (MM) cells, with no toxicity on PBMCs and DCs. Immunogenic apoptosis was shown by the emission of specific DAMPs (CRT, HSP90, HMGB1) by apoptotic MM cells and the activation of their pro-apoptotic autophagy. Moreover, immunogenic apoptosis was directly shown by the activation of DCs by DHA-induced apoptotic MM cells. Furthermore, we provided the first evidence that DHA activated autophagy in PBMCs and DCs, thus potentially acting as immune stimulator and enhancing processing and presentation of tumor antigens by DCs. Finally, we found that DHA inhibited STAT3 in MM cells. STAT3 pathway, essential for MM survival, contributed to cancer cell apoptosis by DHA. We also found that DHA inhibited STAT3 in blood immune cells and counteracted STAT3 activation by tumor cell-released factors in PBMCs and DCs, suggesting the potential enhancement of the anti-tumor function of multiple immune cells and, in particular, that of DCs.
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Venugopal V, Kumaran AK, Sekhar Chatterjee N, Kumar S, Kavilakath S, Nair JR, Mathew S. Biochemical Characterization of Liver Oil of Echinorhinus brucus (Bramble Shark) and Its Cytotoxic Evaluation on Neuroblastoma Cell Lines (SHSY-5Y). SCIENTIFICA 2016; 2016:6294030. [PMID: 27340593 PMCID: PMC4906215 DOI: 10.1155/2016/6294030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 04/02/2016] [Accepted: 04/14/2016] [Indexed: 06/06/2023]
Abstract
The objective of the present study was to characterize the liver oil extracted from the deep sea shark, Echinorhinus brucus, caught from Central Indian Ocean and to evaluate its cytotoxic effect on neuroblastoma cell line (SHSY-5Y). Characterization of liver oil of Echinorhinus brucus revealed the presence of palmitic acid (15%), oleic acid (12%), stearic acid (8%), docosahexaenoic acid (DHA) (18%), and eicosapentaenoic acid (EPA) (16%). It was also found to be a good source of squalene (38.5%) and fat soluble vitamins such as A, D, and K (vitamin A: 17.08 mg/100 g of oil, vitamin D: 15.04 mg/100 g oil, and vitamin K: 11.45 mg/100 g oil). Since it was found to be rich in essential fatty acids, fat soluble vitamins, and squalene, it can be considered as better dietary supplement. The oil of Echinorhinus brucus also showed high in vitro cytotoxic effect against the human neuroblastoma cell line (SHSY-5Y) and the IC50 value laid between 35 and 45 ng.
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Affiliation(s)
- Vishnu Venugopal
- Central Institute of Fisheries Technology (CIFT), ICAR, Matsyapuri P.O., Kerala 682029, India
| | | | | | - Suvanish Kumar
- National Institute of Technology (NIT), Calicut, Kerala 673601, India
| | - Shyni Kavilakath
- Central Institute of Fisheries Technology (CIFT), ICAR, Matsyapuri P.O., Kerala 682029, India
| | | | - Suseela Mathew
- Central Institute of Fisheries Technology (CIFT), ICAR, Matsyapuri P.O., Kerala 682029, India
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18
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Tasaki S, Horiguchi A, Asano T, Kuroda K, Sato A, Asakuma J, Ito K, Asano T, Asakura H. Preoperative serum docosahexaenoic acid level predicts prognosis of renal cell carcinoma. Mol Clin Oncol 2016; 5:69-73. [PMID: 27330769 DOI: 10.3892/mco.2016.890] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Accepted: 04/15/2016] [Indexed: 12/30/2022] Open
Abstract
The recent discovery and clinical development of targeted agents have expanded treatment options in metastatic renal cell carcinoma (RCC). However, metastatic RCC remains a lethal disease. Complete response is rare and treatment with targeted agents eventually fails in the majority of the patients. Therefore, there is a need for developing a prognostic tool and a novel therapeutic agent for RCC to improve the follow-up strategy after surgical treatment. Clinical data, including patient characteristics, serum fatty acid profile, clinicopathological parameters and clinical outcome, were obtained from 112 patients with RCC prior to surgical treatment. Preoperative fatty acid levels were grouped according to patient characteristics, such as performance status, body mass index or pathological parameters, and were analyzed using the Mann-Whitney U test. Cancer-specific survival in the high and low docosahexaenoic acid (DHA) level groups were compared using the Kaplan-Meier method. Cox proportional hazards models were applied to determine the independent prognostic factors associated with shortened cancer-specific survival. The serum DHA level in patients with metastasis was significantly lower compared with that in patients without metastasis (P=0.047). Low serum DHA level, presence of metastasis and cachexia were independent predictors of shortened cancer-specific survival in a multivariate Cox proportional hazard model (P=0.033, hazard ratio = 4.43). Patients with a serum DHA level below the median value exhibited significantly shorter cancer-specific survival compared with those with a higher serum DHA level (P=0.008). Thus, according to our results, the preoperative serum DHA level may be able to predict the surgical outcome of RCC. However, this finding requires validation by large-scale prospective studies.
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Affiliation(s)
- Shinsuke Tasaki
- Department of Urology, National Defense Medical College, Tokorozawa, Saitama 359-8513, Japan; Department of Urology, Saitama Medical University, Iruma, Saitama 350-0495, Japan
| | - Akio Horiguchi
- Department of Urology, National Defense Medical College, Tokorozawa, Saitama 359-8513, Japan
| | - Takako Asano
- Department of Urology, National Defense Medical College, Tokorozawa, Saitama 359-8513, Japan
| | - Kenji Kuroda
- Department of Urology, National Defense Medical College, Tokorozawa, Saitama 359-8513, Japan
| | - Akinori Sato
- Department of Urology, National Defense Medical College, Tokorozawa, Saitama 359-8513, Japan
| | - Junichi Asakuma
- Department of Urology, National Defense Medical College, Tokorozawa, Saitama 359-8513, Japan
| | - Keiichi Ito
- Department of Urology, National Defense Medical College, Tokorozawa, Saitama 359-8513, Japan
| | - Tomohiko Asano
- Department of Urology, National Defense Medical College, Tokorozawa, Saitama 359-8513, Japan
| | - Hirotaka Asakura
- Department of Urology, Saitama Medical University, Iruma, Saitama 350-0495, Japan
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Omega-3 Fatty Acids and Cancer Cell Cytotoxicity: Implications for Multi-Targeted Cancer Therapy. J Clin Med 2016; 5:jcm5020015. [PMID: 26821053 PMCID: PMC4773771 DOI: 10.3390/jcm5020015] [Citation(s) in RCA: 179] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 01/15/2016] [Accepted: 01/19/2016] [Indexed: 12/24/2022] Open
Abstract
Cancer is a major disease worldwide. Despite progress in cancer therapy, conventional cytotoxic therapies lead to unsatisfactory long-term survival, mainly related to development of drug resistance by tumor cells and toxicity towards normal cells. n-3 polyunsaturated fatty acids (PUFAs), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), can exert anti-neoplastic activity by inducing apoptotic cell death in human cancer cells either alone or in combination with conventional therapies. Indeed, n-3 PUFAs potentially increase the sensitivity of tumor cells to conventional therapies, possibly improving their efficacy especially against cancers resistant to treatment. Moreover, in contrast to traditional therapies, n-3 PUFAs appear to cause selective cytotoxicity towards cancer cells with little or no toxicity on normal cells. This review focuses on studies investigating the cytotoxic activity of n-3 PUFAs against cancer cells via apoptosis, analyzing the molecular mechanisms underlying this effective and selective activity. Here, we highlight the multiple molecules potentially targeted by n-3 PUFAs to trigger cancer cell apoptosis. This analysis can allow a better comprehension of the potential cytotoxic therapeutic role of n-3 PUFAs against cancer, providing specific information and support to design future pre-clinical and clinical studies for a better use of n-3 PUFAs in cancer therapy, mainly combinational therapy.
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20
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Wang S, Hannafon BN, Wolf RF, Zhou J, Avery JE, Wu J, Lind SE, Ding WQ. Characterization of docosahexaenoic acid (DHA)-induced heme oxygenase-1 (HO-1) expression in human cancer cells: the importance of enhanced BTB and CNC homology 1 (Bach1) degradation. J Nutr Biochem 2014; 25:515-25. [PMID: 24613086 DOI: 10.1016/j.jnutbio.2013.12.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Revised: 12/18/2013] [Accepted: 12/31/2013] [Indexed: 10/25/2022]
Abstract
The effect of docosahexaenoic acid (DHA) on heme oxygenase-1 (HO-1) expression in cancer cells has never been characterized. This study examines DHA-induced HO-1 expression in human cancer cell model systems. DHA enhanced HO-1 gene expression in a time- and concentration-dependent manner, with maximal induction at 21 h of treatment. This induction of HO-1 expression was confirmed in vivo using a xenograft nude mouse model fed a fish-oil-enriched diet. The increase in HO-1 gene transcription induced by DHA was significantly attenuated by the antioxidant N-acetyl cysteine, suggesting the involvement of oxidative stress. This was supported by direct measurement of lipid peroxide levels after DHA treatment. Using a human HO-1 gene promoter reporter construct, we identified two antioxidant response elements (AREs) that mediate the DHA-induced increase in HO-1 gene transcription. Knockdown of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) expression compromised the DHA-induced increase in HO-1 gene transcription, indicating the importance of the Nrf2 pathway in this event. However, the nuclear protein levels of Nrf2 remained unchanged upon DHA treatment. Further studies demonstrated that DHA reduces nuclear Bach1 protein expression by promoting its degradation and attenuates Bach1 binding to the AREs in the HO-1 gene promoter. In contrast, DHA enhanced Nrf2 binding to the AREs without affecting nuclear Nrf2 expression levels, indicating a new cellular mechanism that mediates DHA's induction of HO-1 gene transcription. To our knowledge, this is the first characterization of DHA-induced HO-1 expression in human malignant cells.
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Affiliation(s)
- Shuai Wang
- Department of Pathology, University of Oklahoma Health Sciences Center, 975 NE 10th Street, BRC 411A, Oklahoma City, OK 73104, USA
| | - Bethany N Hannafon
- Department of Pathology, University of Oklahoma Health Sciences Center, 975 NE 10th Street, BRC 411A, Oklahoma City, OK 73104, USA
| | - Roman F Wolf
- Department of Pathology, University of Oklahoma Health Sciences Center, 975 NE 10th Street, BRC 411A, Oklahoma City, OK 73104, USA
| | - Jundong Zhou
- Department of Radio-Oncology, Nanjing Medical University Affiliated Suzhou Hospital, Suzhou, P. R. China
| | - Jori E Avery
- Department of Pathology, University of Oklahoma Health Sciences Center, 975 NE 10th Street, BRC 411A, Oklahoma City, OK 73104, USA
| | - Jinchang Wu
- Department of Radio-Oncology, Nanjing Medical University Affiliated Suzhou Hospital, Suzhou, P. R. China
| | - Stuart E Lind
- Departments of Pathology and Medicine, University of Colorado School of Medicine, Aurora, CO, USA
| | - Wei-Qun Ding
- Department of Pathology, University of Oklahoma Health Sciences Center, 975 NE 10th Street, BRC 411A, Oklahoma City, OK 73104, USA.
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21
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Ramon S, Woeller CF, Phipps RP. The influence of Cox-2 and bioactive lipids on hematological cancers. ACTA ACUST UNITED AC 2014; 2:135-142. [PMID: 24883266 DOI: 10.2174/2211552802999140131105947] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Inflammation is implicated in the progression of multiple types of cancers including lung, colorectal, breast and hematological malignancies. Cyclooxygenases (Cox) -1 and -2 are important enzymes involved in the regulation of inflammation. Elevated Cox-2 expression is associated with a poor cancer prognosis. Hematological malignancies, which are among the top 10 most predominant cancers in the USA, express high levels of Cox-2. Current therapeutic approaches against hematological malignances are insufficient as many patients develop resistance or relapse. Therefore, targeting Cox-2 holds promise as a therapeutic approach to treat hematological malignancies. NSAIDs and Cox-2 selective inhibitors are anti-inflammatory drugs that decrease prostaglandin and thromboxane production while promoting the synthesis of specialized proresolving mediators. Here, we review the evidence regarding the applicability of NSAIDs, such as aspirin, as well as Cox-2 specific inhibitors, to treat hematological malignancies. Furthermore, we discuss how FDA-approved Cox inhibitors can be used as anti-cancer drugs alone or in combination with existing chemotherapeutic treatments.
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Affiliation(s)
- Sesquile Ramon
- Department of Microbiology and Immunology, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642
| | - Collynn F Woeller
- Department of Environmental Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642
| | - Richard P Phipps
- Department of Microbiology and Immunology, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642 ; Department of Environmental Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642
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22
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Reynolds L, Mulik RS, Wen X, Dilip A, Corbin IR. Low-density lipoprotein-mediated delivery of docosahexaenoic acid selectively kills murine liver cancer cells. Nanomedicine (Lond) 2014; 9:2123-41. [PMID: 24397600 DOI: 10.2217/nnm.13.187] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
AIM The natural omega-3 polyunsaturated fatty acid, docosahexaenoic acid (DHA), has recently been credited for possessing anticancer properties. Herein, we investigate the cytotoxic actions of DHA-loaded low-density lipoprotein (LDL) nanoparticles in normal and liver cancer cells. MATERIALS & METHODS LDL-DHA nanoparticles were prepared and subjected to extensive biophysical characterization. The therapeutic utility of LDL-DHA nanoparticles was evaluated in normal and malignant murine hepatocyte cell lines, TIB-73 and TIB-75, respectively. RESULTS & DISCUSSION The engineered LDL-DHA nanoparticles possessed enhanced physical and oxidative stabilities over native LDL and free DHA. Dose-response studies showed that therapeutic doses of LDL-DHA nanoparticles that completely killed TIB-75 were innocuous to TIB-73. The selective induction of lipid peroxidation and reactive oxygen species in the cancer cells was shown to play a central role in LDL-DHA nanoparticle-mediated cytotoxicity. CONCLUSION In summary, these findings indicate that LDL-DHA nanoparticles show great promise as a selective anticancer agent against hepatocellular carcinoma.
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Affiliation(s)
- Lacy Reynolds
- Advanced Imaging Research Center, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA
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23
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Lee EJ, Yun UJ, Koo KH, Sung JY, Shim J, Ye SK, Hong KM, Kim YN. Down-regulation of lipid raft-associated onco-proteins via cholesterol-dependent lipid raft internalization in docosahexaenoic acid-induced apoptosis. BIOCHIMICA ET BIOPHYSICA ACTA 2014; 1841:190-203. [PMID: 24120917 DOI: 10.1016/j.bbalip.2013.10.006] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Revised: 10/01/2013] [Accepted: 10/03/2013] [Indexed: 10/26/2022]
Abstract
Lipid rafts, plasma membrane microdomains, are important for cell survival signaling and cholesterol is a critical lipid component for lipid raft integrity and function. DHA is known to have poor affinity for cholesterol and it influences lipid rafts. Here, we investigated a mechanism underlying the anti-cancer effects of DHA using a human breast cancer cell line, MDA-MB-231. We found that DHA decreased cell surface levels of lipid rafts via their internalization, which was partially reversed by cholesterol addition. With DHA treatment, caveolin-1, a marker for rafts, and EGFR were colocalized with LAMP-1, a lysosomal marker, in a cholesterol-dependent manner, indicating that DHA induces raft fusion with lysosomes. DHA not only displaced several raft-associated onco-proteins, including EGFR, Hsp90, Akt, and Src, from the rafts but also decreased total levels of those proteins via multiple pathways, including the proteasomal and lysosomal pathways, thereby decreasing their activities. Hsp90 overexpression maintained its client proteins, EGFR and Akt, and attenuated DHA-induced cell death. In addition, overexpression of Akt or constitutively active Akt attenuated DHA-induced apoptosis. All these data indicate that the anti-proliferative effect of DHA is mediated by targeting of lipid rafts via decreasing cell surface lipid rafts by their internalization, thereby decreasing raft-associated onco-proteins via proteasomal and lysosomal pathways and decreasing Hsp90 chaperone function.
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Affiliation(s)
- Eun Jeong Lee
- Comparative Biomedicine Research Branch, Division of Cancer Biology, National Cancer Center, 323 Ilsan-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do 410-769, Republic of Korea
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Dietary ω -3 polyunsaturated fatty acid DHA: a potential adjuvant in the treatment of cancer. BIOMED RESEARCH INTERNATIONAL 2013; 2013:310186. [PMID: 23762838 PMCID: PMC3676987 DOI: 10.1155/2013/310186] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Accepted: 05/08/2013] [Indexed: 02/03/2023]
Abstract
ω-3 Polyunsaturated fatty acids (PUFAs), mainly present in fish oil, are part of the human diet. Among PUFAs, docosahexaenoic acid (DHA) has received particular attention for its anti-inflammatory, antiproliferative, proapoptotic, antiangiogenetic, anti-invasion, and antimetastatic properties. These data suggest that DHA can exert antitumor activity potentially representing an effective adjuvant in cancer chemotherapy. This review is focused on current knowledge supporting the potential use of DHA for the enhancement of the efficacy of anticancer treatments in relation to its ability to enhance the uptake of anticancer drugs, regulate the oxidative status of tumor cells, and inhibit tumor cell invasion and metastasis.
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25
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Stephenson JA, Al-Taan O, Arshad A, Morgan B, Metcalfe MS, Dennison AR. The multifaceted effects of omega-3 polyunsaturated Fatty acids on the hallmarks of cancer. J Lipids 2013; 2013:261247. [PMID: 23762563 PMCID: PMC3671553 DOI: 10.1155/2013/261247] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2013] [Revised: 03/26/2013] [Accepted: 04/05/2013] [Indexed: 02/06/2023] Open
Abstract
Omega-3 polyunsaturated fatty acids, in particular eicosapentaenoic acid, and docosahexaenoic acid have been shown to have multiple beneficial antitumour actions that affect the essential alterations that dictate malignant growth. In this review we explore the putative mechanisms of action of omega-3 polyunsaturated fatty acid in cancer protection in relation to self-sufficiency in growth signals, insensitivity to growth-inhibitory signals, apoptosis, limitless replicative potential, sustained angiogenesis, and tissue invasion, and how these will hopefully translate from bench to bedside.
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Affiliation(s)
- J. A. Stephenson
- Department of Cancer Studies and Molecular Medicine, University of Leicester, Leicester Royal Infirmary, Leicester LE1 5WW, UK
- Department of Imaging, Leicester Royal Infirmary, Leicester LE1 5WW, UK
| | - O. Al-Taan
- Department of Cancer Studies and Molecular Medicine, University of Leicester, Leicester Royal Infirmary, Leicester LE1 5WW, UK
- Department of Surgery, University Hospitals of Leicester, Leicester General Hospital, Leicester LE5 4PW, UK
| | - A. Arshad
- Department of Cancer Studies and Molecular Medicine, University of Leicester, Leicester Royal Infirmary, Leicester LE1 5WW, UK
- Department of Surgery, University Hospitals of Leicester, Leicester General Hospital, Leicester LE5 4PW, UK
| | - B. Morgan
- Department of Cancer Studies and Molecular Medicine, University of Leicester, Leicester Royal Infirmary, Leicester LE1 5WW, UK
- Department of Imaging, Leicester Royal Infirmary, Leicester LE1 5WW, UK
| | - M. S. Metcalfe
- Department of Surgery, University Hospitals of Leicester, Leicester General Hospital, Leicester LE5 4PW, UK
| | - A. R. Dennison
- Department of Surgery, University Hospitals of Leicester, Leicester General Hospital, Leicester LE5 4PW, UK
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Hu Y, Sun H, O'Flaherty JT, Edwards IJ. 15-Lipoxygenase-1-mediated metabolism of docosahexaenoic acid is required for syndecan-1 signaling and apoptosis in prostate cancer cells. Carcinogenesis 2012; 34:176-82. [PMID: 23066085 DOI: 10.1093/carcin/bgs324] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Fatty acid metabolism impacts multiple intracellular signaling pathways in many cell types, but its role in prostate cancer cells is still unclear. Our previous studies have shown that the n-3 polyunsaturated fatty acid docosahexaenoic acid (DHA) induces apoptosis in human prostate cancer cells by a syndecan-1 (SDC-1)-dependent mechanism. Here, we examined the contribution of lipoxygenase (LOX)- and cyclooxygenase (COX)-mediated DHA metabolism to this effect. Pan-LOX inhibitor (nordihydroguaiaretic acid), 15-LOX inhibitor (luteolin) or 15/12-LOX inhibitor (baicalein) blocked the induced effect of DHA on SDC-1 expression and apoptosis in human prostate cancer cells, whereas 5-LOX inhibitor, AA861, was ineffective. Human prostate cancer cells lines (PC3, LNCaP and DU145 cells) expressed two 15-LOX isoforms, 15-LOX-1 and 15-LOX-2, with higher 15-LOX-1 and lower 15-LOX-2 expressions compared with human epithelial prostate cells. Knockdown of 15-LOX-1 blocked the effect of DHA on SDC-1 expression and caspase-3 activity, whereas silencing 15-LOX-2, 5-LOX, COX-1, COX-2 or 12-LOX had no effect. Moreover, the ability of DHA to inhibit the activity of the PDK/Akt (T308) signaling pathway was abrogated by silencing 15-LOX-1. These findings demonstrate that 15-LOX-1-mediated metabolism of DHA is required for it to upregulate SDC-1 and trigger the signaling pathway that elicits apoptosis in prostate cancer cells.
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Affiliation(s)
- Yunping Hu
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA
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Das UN. Essential fatty acids and their metabolites as modulators of stem cell biology with reference to inflammation, cancer, and metastasis. Cancer Metastasis Rev 2012; 30:311-24. [PMID: 22005953 DOI: 10.1007/s10555-011-9316-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Stem cells are pluripotent and expected to be of benefit in the management of coronary heart disease, stroke, diabetes mellitus, cancer, and Alzheimer's disease in which pro-inflammatory cytokines are increased. Identifying endogenous bioactive molecules that have a regulatory role in stem cell survival, proliferation, and differentiation may aid in the use of stem cells in various diseases including cancer. Essential fatty acids form precursors to both pro- and anti-inflammatory molecules have been shown to regulate gene expression, enzyme activity, modulate inflammation and immune response, gluconeogenesis via direct and indirect pathways, function directly as agonists of a number of G protein-coupled receptors, activate phosphatidylinositol 3-kinase/Akt and p44/42 mitogen-activated protein kinases, and stimulate cell proliferation via Ca(2+), phospholipase C/protein kinase, events that are also necessary for stem cell survival, proliferation, and differentiation. Hence, it is likely that bioactive lipids play a significant role in various diseases by modulating the proliferation and differentiation of embryonic stem cells in addition to their capacity to suppress inflammation. Ephrin Bs and reelin, adhesion molecules, and microRNAs regulate neuronal migration and cancer cell metastasis. Polyunsaturated fatty acids and their products seem to modulate the expression of ephrin Bs and reelin and several adhesion molecules and microRNAs suggesting that bioactive lipids participate in neuronal regeneration and stem cell proliferation, migration, and cancer cell metastasis. Thus, there appears to be a close interaction among essential fatty acids, their bioactive products, and inflammation and cancer growth and its metastasis.
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Affiliation(s)
- Undurti N Das
- School of Biotechnology, Jawaharlal Nehru Technological University, Kakinada 533 003, India.
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Inhibition of neuroblastoma cell proliferation with omega-3 fatty acids and treatment of a murine model of human neuroblastoma using a diet enriched with omega-3 fatty acids in combination with sunitinib. Pediatr Res 2012; 71:168-78. [PMID: 22258128 DOI: 10.1038/pr.2011.28] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
INTRODUCTION We investigated the use of dietary omega-3 (ω-3) polyunsaturated fatty acids (PUFAs) in the treatment of neuroblastoma both as a sole agent and in combination with sunitinib, a broad-spectrum tyrosine kinase receptor inhibitor. RESULTS Substitution of all dietary fat with menhaden oil (ω-3 PUFA rich) resulted in a 40-70% inhibition of tumor growth and a statistically significant difference in the levels of several PUFAs (18:2 ω-6, 20:4 ω-6, 22:4 ω-6, 20:5 ω-3) as compared with a control diet. Furthermore, tumors from animals on the ω-3 fatty acid (FA)-enriched diet had an elevated triene/tetraene ratio suggestive of a change in local eicosanoid metabolism in these tissues similar to that seen with essential fatty acid deficiency. The ω-3 FA-enriched diet also decreased tumor-associated inflammatory cells and induced mitochondrial changes suggestive of mitochondrial damage. Combination treatment with sunitinib resulted in further reduction in tumor proliferation and microvessel density. DISCUSSION These findings suggest a potential role for ω-3 PUFAs in the combination treatment of neuroblastoma. METHODS We used a murine model of orthotopic and subcutaneous human neuroblastoma and diets that differ in the FA content to define the optimal dietary ω-3/omega-6 (ω-6) FA ratio required for the inhibition of these tumors.
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Das UN. Radiation resistance, invasiveness and metastasis are inflammatory events that could be suppressed by lipoxin A4. Prostaglandins Leukot Essent Fatty Acids 2012; 86:3-11. [PMID: 22014542 DOI: 10.1016/j.plefa.2011.09.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2011] [Accepted: 09/30/2011] [Indexed: 12/28/2022]
Abstract
Radiation induces overexpression and activity of the MET oncogene that, in turn, enhances the production of prostaglandin E(2), a pro-inflammatory molecule. Prostaglandin E(2) promotes tumor cell invasion, prevents apoptosis, enhances their metastasis and causes radioresistance. It is proposed that lipoxin A(4), a potent endogenous anti-inflammatory molecule, opposes the actions of prostaglandin E(2) and thus, could promote radiosensitivity, suppress tumor cell proliferation, invasiveness and suppress metastasis. Thus, methods designed to enhance endogenous lipoxin A(4) formation or its synthetic analogs may be useful in the management of cancer.
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