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Alsharairi NA. Antioxidant Intake and Biomarkers of Asthma in Relation to Smoking Status-A Review. Curr Issues Mol Biol 2023; 45:5099-5117. [PMID: 37367073 DOI: 10.3390/cimb45060324] [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: 05/26/2023] [Revised: 06/07/2023] [Accepted: 06/09/2023] [Indexed: 06/28/2023] Open
Abstract
Asthma is considered a chronic inflammatory disorder associated with airway hyperresponsiveness (AHR). Increased oxidative stress (OS) is a clinical feature of asthma, which promotes the inflammatory responses in bronchial/airway epithelial cells. Smokers and nonsmokers with asthma have been shown to have increases in several OS and inflammatory biomarkers. However, studies suggest significant differences in OS and inflammation biomarkers between smokers and nonsmokers. A few studies suggest associations between antioxidant intake from diet/supplements and asthma in patients with different smoking status. Evidence is lacking on the protective role of antioxidant vitamin and/or mineral consumption against asthma by smoking status with respect to inflammation and OS biomarkers. Therefore, the aim of this review is to highlight current knowledge regarding the relations between antioxidant intake, asthma, and its associated biomarkers, according to smoking status. This paper can be used to guide future research directions towards the health consequences of antioxidant intake in smoking and nonsmoking asthmatics.
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Affiliation(s)
- Naser A Alsharairi
- Heart, Mind & Body Research Group, Griffith University, Gold Coast P.O. Box 4222, QLD, Australia
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β-Cryptoxanthin Attenuates Cigarette-Smoke-Induced Lung Lesions in the Absence of Carotenoid Cleavage Enzymes (BCO1/BCO2) in Mice. Molecules 2023; 28:molecules28031383. [PMID: 36771049 PMCID: PMC9920649 DOI: 10.3390/molecules28031383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/21/2023] [Accepted: 01/24/2023] [Indexed: 02/04/2023] Open
Abstract
High dietary intake of β-cryptoxanthin (BCX, an oxygenated provitamin A carotenoid) is associated with a lower risk of lung disease in smokers. BCX can be cleaved by β-carotene-15,15'-oxygenase (BCO1) and β-carotene-9',10'-oxygenase (BCO2) to produce retinol and apo-10'-carotenoids. We investigated whether BCX has protective effects against cigarette smoke (CS)-induced lung injury, dependent or independent of BCO1/BCO2 and their metabolites. Both BCO1-/-/BCO2-/- double knockout mice (DKO) and wild type (WT) littermates were supplemented with BCX 14 days and then exposed to CS for an additional 14 days. CS exposure significantly induced macrophage and neutrophil infiltration in the lung tissues of mice, regardless of genotypes, compared to the non-exposed littermates. BCX treatment significantly inhibited CS-induced inflammatory cell infiltration, hyperplasia in the bronchial epithelium, and enlarged alveolar airspaces in both WT and DKO mice, regardless of sex. The protective effects of BCX were associated with lower expression of IL-6, TNF-α, and matrix metalloproteinases-2 and -9. BCX treatment led to a significant increase in hepatic BCX levels in DKO mice, but not in WT mice, which had significant increase in hepatic retinol concentration. No apo-10'-carotenoids were detected in any of the groups. In vitro BCX, at comparable doses of 3-OH-β-apo-10'-carotenal, was effective at inhibiting the lipopolysaccharide-induced inflammatory response in a human bronchial epithelial cell line. These data indicate that BCX can serve as an effective protective agent against CS-induced lung lesions in the absence of carotenoid cleavage enzymes.
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Dietary Antioxidants and Lung Cancer Risk in Smokers and Non-Smokers. Healthcare (Basel) 2022; 10:healthcare10122501. [PMID: 36554027 PMCID: PMC9778085 DOI: 10.3390/healthcare10122501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022] Open
Abstract
Smoking is considered a major risk factor in the development of lung diseases worldwide. Active smoking and secondhand (passive) smoke (SHS) are related to lung cancer (LC) risk. Oxidative stress (OS) and/or lipid peroxidation (LP) induced by cigarette smoke (CS) are found to be involved in the pathogenesis of LC. Meta-analyses and other case-control/prospective cohort studies are inconclusive and have yielded inconsistent results concerning the protective role of dietary vitamins C and E, retinol, and iron intake against LC risk in smokers and/or non-smokers. Furthermore, the role of vitamins and minerals as antioxidants with the potential in protecting LC cells against CS-induced OS in smokers and non-smokers has not been fully elucidated. Thus, this review aims to summarize the available evidence reporting the relationships between dietary antioxidant intake and LC risk in smokers and non-smokers that may be used to provide suggestions for future research.
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Carotenoids in Palliative Care—Is There Any Benefit from Carotenoid Supplementation in the Adjuvant Treatment of Cancer-Related Symptoms? Nutrients 2022; 14:nu14153183. [PMID: 35956359 PMCID: PMC9370407 DOI: 10.3390/nu14153183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/25/2022] [Accepted: 07/29/2022] [Indexed: 11/22/2022] Open
Abstract
Carotenoids are organic, liposoluble pigments found in nature, which are responsible for the characteristic colors of ripe tomatoes, carrots, peppers, and crustaceans, among others. Palliative care provided to patients with an incurable disease is aimed at improving the patient’s quality of life through appropriate treatment of symptoms accompanying the disease. Palliative care patients with burdensome symptoms related to advanced-stage cancers are especially interested in the use of natural dietary supplements and herbal remedies to reduce symptoms’ intensity and ameliorate the quality of life. Carotenoids seem to be a group of natural compounds with particularly promising properties in relieving symptoms, mainly due to their strong antioxidant, anti-inflammatory, and neuroprotective properties. Moreover, carotenoids have been used in folk medicine to treat various diseases and alleviate the accompanying symptoms. In this narrative review, the authors decided to determine whether there is any scientific evidence supporting the rationale for carotenoid supplementation in advanced-stage cancer patients, with particular emphasis on the adjuvant treatment of cancer-related symptoms, such as neuropathic pain and cancer-related cachexia.
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Han X, Zhao R, Zhang G, Jiao Y, Wang Y, Wang D, Cai H. Association of Retinol and Carotenoids Content in Diet and Serum With Risk for Colorectal Cancer: A Meta-Analysis. Front Nutr 2022; 9:918777. [PMID: 35845801 PMCID: PMC9280435 DOI: 10.3389/fnut.2022.918777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 06/13/2022] [Indexed: 11/15/2022] Open
Abstract
Background Colorectal cancer (CRC) risk is linked to serum and dietary retinol and carotenoids, according to clinical and epidemiological research. However, the findings are not consistent. As a result, we did this meta-analysis to determine the link between them. Methods From 2000 through 2022, the PubMed, Web of Science, and Embase databases, as well as pertinent article references, were searched and filtered based on inclusion and exclusion criteria and literature quality ratings. High and low intake were used as controls, and OR (odds ratio) or RR (relative risk) and 95% confidence interval were extracted. The extracted data were plotted and analyzed using Stata12.0 software. Results A total of 22 relevant studies were included, including 18 studies related to diet and 4 studies related to serum. For high and low intake or concentration controls, the pooled OR was as follows: β-carotene (OR = 0.89, 95% CI: 0.78–1.03), α-carotene (OR = 0.87, 95% CI: 0.72–1.03), lycopene (OR = 0.93, 95% CI: 0.81–1.07), lutein/zeaxanthin (OR = 0.96, 95% CI: 0.87–1.07), β-cryptoxanthin (OR = 0.70, 95% CI: 0.48–1.01), total carotenoids (OR = 0.97, 95% CI: 0.81–1.15), retinol (OR = 0.99, 95% CI: 0.89–1.10), serum carotenoids (OR = 0.73, 95% CI: 0.58–0.93), serum retinol (OR = 0.62, 95% CI: 0.26–1.49). Subgroup analysis was performed according to tumor type, study type and sex. Conclusion Total carotenoid intake and Lutein/Zeaxanthin intake were not associated with CRC risk. High β-carotene, α-carotene, lycopene, and β-cryptoxanthin all tended to reduce CRC risk. Serum carotenoid concentrations were significantly inversely associated with CRC risk.
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Affiliation(s)
- Xiaoyong Han
- Graduate School, Ning Xia Medical University, Yinchuan, China
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Lanzhou, China
| | - Rangyin Zhao
- First Clinical Medical College, Gansu University of Chinese Medicine, Lanzhou, China
| | - Guangming Zhang
- First Clinical Medical College, Gansu University of Chinese Medicine, Lanzhou, China
| | - Yajun Jiao
- Graduate School, Ning Xia Medical University, Yinchuan, China
| | - Yongfeng Wang
- First Clinical Medical College, Gansu University of Chinese Medicine, Lanzhou, China
| | - Da Wang
- Medical College of Jiangsu University, Zhenjiang, China
| | - Hui Cai
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Lanzhou, China
- First Clinical College of Medicine, Lanzhou University, Lanzhou, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou, China
- *Correspondence: Hui Cai,
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Comparison of three antioxidants in chemical and biological assays on porcine oocytes during ageing in vitro. ZYGOTE 2022; 30:561-570. [PMID: 35443903 DOI: 10.1017/s0967199421000459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Our previous studies have already revealed that β-cryptoxanthin (BCX), hesperetin (HES), and icariin (ICA) antioxidants are effective for in vitro maturation (IVM) of porcine oocytes. In this study, we investigated which of BCX, HES, or ICA was more effective for IVM of porcine oocytes. The antioxidant properties were assessed with aged porcine oocytes and embryos by comparing 2,2-diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl (DPPH), reducing power, and H2O2 scavenging activity assays. The chemical assay results demonstrated that BCX had a greater DPPH scavenging activity and reducing power than HES and ICA, compared with controls. However, the H2O2 scavenging activity of the antioxidants was similar when tested at the optimal concentrations of 1 μM BCX (BCX-1), 100 μM HES (HES-100), and 5 μM ICA (ICA-5). The biological assay results showed that BCX-1 treatment was more effective in inducing a significant reduction in reactive oxygen species (ROS), improving glutathione levels, and increasing the expression of antioxidant genes. In addition, BCX-1 inhibited apoptosis by increasing the expression of anti-apoptotic genes and decreasing pro-apoptotic genes in porcine parthenogenetic blastocysts. BCX-1 also significantly increased the blastocyst formation rate compared with the ageing control group, HES-100 and ICA-5. This study demonstrates that damage from ROS produced during oocyte ageing can be prevented by supplementing antioxidants into the IVM medium, and BCX may be a potential candidate to improve assisted reproductive technologies.
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Wei X, Zhu C, Ji M, Fan J, Xie J, Huang Y, Jiang X, Xu J, Yin R, Du L, Wang Y, Dai J, Jin G, Xu L, Hu Z, Shen H, Zhu M, Ma H. Diet and Risk of Incident Lung Cancer: A Large Prospective Cohort Study in UK Biobank. Am J Clin Nutr 2021; 114:2043-2051. [PMID: 34582556 DOI: 10.1093/ajcn/nqab298] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 08/19/2021] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Epidemiological evidence remains conflicting regarding diet and risk of lung cancer. OBJECTIVES We sought to systematically investigate whether dietary factors are associated with the risk of incident lung cancer in the UK Biobank. METHODS A total of 416,588 participants (54% women) from the UK Biobank were included in the present study. Based on baseline data from FFQs, 3 main dietary patterns were identified by using principal component analysis. Cox proportional hazards models were used to investigate the association of individual food groups and dietary patterns with lung cancer risk. RESULTS During a median follow-up of 7.13 y, 1782 incident lung cancer cases were documented. The association analysis showed high intake of red meat and processed meat was associated with an increased risk of lung cancer (HRper 50 g/d: 1.36; 95% CI: 1.13, 1.65 for red meat; HRper 25 g/d: 1.30; 95% CI: 1.10, 1.53 for processed meat). However, the consumption of fruits (HRper 100 g/d: 0.90; 95% CI: 0.84, 0.95), vegetables (HRper 100 g/d: 0.89; 95% CI: 0.81, 0.99), breakfast cereals (HRper 50 g/d: 0.81; 95% CI: 0.74, 0.89), and dietary fiber (HRper 5 g/d: 0.76; 95% CI: 0.69, 0.84) was inversely associated with the risk of lung cancer. For the dietary pattern analysis [quartile (Q) comparison], high adherence to the Prudent pattern (HRQ4 compared with Q1: 0.84; 95% CI: 0.73, 0.96) was associated with a lower risk of lung cancer, whereas the Western pattern (HRQ4 compared with Q1: 1.27; 95% CI: 1.11, 1.46) was associated with a higher risk of lung cancer. CONCLUSIONS Our study indicated that a diet characterized by high intake of fruits, vegetables, breakfast cereals, and dietary fiber, as well as low intake of red meat and processed meat, was associated with a lower risk of lung cancer.
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Affiliation(s)
- Xiaoxia Wei
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Chen Zhu
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Department of Cancer Prevention, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China.,Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, P. R. of China
| | - Mengmeng Ji
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jingyi Fan
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Junxing Xie
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yanqian Huang
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xiangxiang Jiang
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jing Xu
- Department of Thoracic Surgery, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Rong Yin
- Department of Thoracic Surgery, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Lingbin Du
- Department of Cancer Prevention, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China.,Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, P. R. of China
| | - Yuzhuo Wang
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Department of Thoracic Surgery, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Juncheng Dai
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Gusu School, Nanjing Medical University, Nanjing, China
| | - Guangfu Jin
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Gusu School, Nanjing Medical University, Nanjing, China
| | - Lin Xu
- Department of Thoracic Surgery, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Zhibin Hu
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Gusu School, Nanjing Medical University, Nanjing, China
| | - Hongbing Shen
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Gusu School, Nanjing Medical University, Nanjing, China.,Research Units of Cohort Study on Cardiovascular Diseases and Cancers, Chinese Academy of Medical Sciences, Beijing, China
| | - Meng Zhu
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Department of Thoracic Surgery, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Gusu School, Nanjing Medical University, Nanjing, China
| | - Hongxia Ma
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China.,Department of Thoracic Surgery, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Gusu School, Nanjing Medical University, Nanjing, China.,Research Units of Cohort Study on Cardiovascular Diseases and Cancers, Chinese Academy of Medical Sciences, Beijing, China
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Khalil A, Tazeddinova D, Aljoumaa K, Kazhmukhanbetkyzy ZA, Orazov A, Toshev AD. Carotenoids: Therapeutic Strategy in the Battle against Viral Emerging Diseases, COVID-19: An Overview. Prev Nutr Food Sci 2021; 26:241-261. [PMID: 34737985 PMCID: PMC8531419 DOI: 10.3746/pnf.2021.26.3.241] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Carotenoids, a group of phytochemicals, are naturally found in the Plant kingdom, particularly in fruits, vegetables, and algae. There are more than 600 types of carotenoids, some of which are thought to prevent disease, mainly through their antioxidant properties. Carotenoids exhibit several biological and pharmaceutical benefits, such as anti-inflammatory, anti-cancer, and immunity booster properties, particularly as some carotenoids can be converted into vitamin A in the body. However, humans cannot synthesize carotenoids and need to obtain them from their diets or via supplementation. The emerging zoonotic virus severe acute respiratory syndrome coronavirus 2, which causes coronavirus disease 2019 (COVID-19), originated in bats, and was transmitted to humans. COVID-19 continues to cause devastating international health problems worldwide. Therefore, natural preventive therapeutic strategies from bioactive compounds, such as carotenoids, should be appraised for strengthening physiological functions against emerging viruses. This review summarizes the most important carotenoids for human health and enhancing immunity, and their potential role in COVID-19 and its related symptoms. In conclusion, promising roles of carotenoids as treatments against emerging disease and related symptoms are highlighted, most of which have been heavily premeditated in studies conducted on several viral infections, including COVID-19. Further in vitro and in vivo research is required before carotenoids can be considered as potent drugs against such emerging diseases.
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Affiliation(s)
- Ayman Khalil
- Department of Food technology, South Ural State University, Chelyabinsk 454080, Russian Federation
| | - Diana Tazeddinova
- Department of Food technology, South Ural State University, Chelyabinsk 454080, Russian Federation
| | - Khaled Aljoumaa
- Department of Food technology, South Ural State University, Chelyabinsk 454080, Russian Federation
| | | | - Ayan Orazov
- Higher School of Technologies of Food and Processing Productions, Zhangir Khan University, Uralsk 090009, The Republic of Kazakhstan
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Anti-Inflammatory and Anticancer Effects of Microalgal Carotenoids. Mar Drugs 2021; 19:md19100531. [PMID: 34677429 PMCID: PMC8539290 DOI: 10.3390/md19100531] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/19/2021] [Accepted: 09/20/2021] [Indexed: 12/12/2022] Open
Abstract
Acute inflammation is a key component of the immune system’s response to pathogens, toxic agents, or tissue injury, involving the stimulation of defense mechanisms aimed to removing pathogenic factors and restoring tissue homeostasis. However, uncontrolled acute inflammatory response may lead to chronic inflammation, which is involved in the development of many diseases, including cancer. Nowadays, the need to find new potential therapeutic compounds has raised the worldwide scientific interest to study the marine environment. Specifically, microalgae are considered rich sources of bioactive molecules, such as carotenoids, which are natural isoprenoid pigments with important beneficial effects for health due to their biological activities. Carotenoids are essential nutrients for mammals, but they are unable to synthesize them; instead, a dietary intake of these compounds is required. Carotenoids are classified as carotenes (hydrocarbon carotenoids), such as α- and β-carotene, and xanthophylls (oxygenate derivatives) including zeaxanthin, astaxanthin, fucoxanthin, lutein, α- and β-cryptoxanthin, and canthaxanthin. This review summarizes the present up-to-date knowledge of the anti-inflammatory and anticancer activities of microalgal carotenoids both in vitro and in vivo, as well as the latest status of human studies for their potential use in prevention and treatment of inflammatory diseases and cancer.
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Pereira AG, Otero P, Echave J, Carreira-Casais A, Chamorro F, Collazo N, Jaboui A, Lourenço-Lopes C, Simal-Gandara J, Prieto MA. Xanthophylls from the Sea: Algae as Source of Bioactive Carotenoids. Mar Drugs 2021; 19:md19040188. [PMID: 33801636 PMCID: PMC8067268 DOI: 10.3390/md19040188] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/18/2021] [Accepted: 03/25/2021] [Indexed: 12/15/2022] Open
Abstract
Algae are considered pigment-producing organisms. The function of these compounds in algae is to carry out photosynthesis. They have a great variety of pigments, which can be classified into three large groups: chlorophylls, carotenoids, and phycobilins. Within the carotenoids are xanthophylls. Xanthophylls (fucoxanthin, astaxanthin, lutein, zeaxanthin, and β-cryptoxanthin) are a type of carotenoids with anti-tumor and anti-inflammatory activities, due to their chemical structure rich in double bonds that provides them with antioxidant properties. In this context, xanthophylls can protect other molecules from oxidative stress by turning off singlet oxygen damage through various mechanisms. Based on clinical studies, this review shows the available information concerning the bioactivity and biological effects of the main xanthophylls present in algae. In addition, the algae with the highest production rate of the different compounds of interest were studied. It was observed that fucoxanthin is obtained mainly from the brown seaweeds Laminaria japonica, Undaria pinnatifida, Hizikia fusiformis, Sargassum spp., and Fucus spp. The main sources of astaxanthin are the microalgae Haematococcus pluvialis, Chlorella zofingiensis, and Chlorococcum sp. Lutein and zeaxanthin are mainly found in algal species such as Scenedesmus spp., Chlorella spp., Rhodophyta spp., or Spirulina spp. However, the extraction and purification processes of xanthophylls from algae need to be standardized to facilitate their commercialization. Finally, we assessed factors that determine the bioavailability and bioaccesibility of these molecules. We also suggested techniques that increase xanthophyll’s bioavailability.
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Affiliation(s)
- Antia G. Pereira
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E-32004 Ourense, Spain; (A.G.P.); (P.O.); (J.E.); (A.C.-C.); (F.C.); (N.C.); (A.J.); (C.L.-L.)
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
| | - Paz Otero
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E-32004 Ourense, Spain; (A.G.P.); (P.O.); (J.E.); (A.C.-C.); (F.C.); (N.C.); (A.J.); (C.L.-L.)
| | - Javier Echave
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E-32004 Ourense, Spain; (A.G.P.); (P.O.); (J.E.); (A.C.-C.); (F.C.); (N.C.); (A.J.); (C.L.-L.)
| | - Anxo Carreira-Casais
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E-32004 Ourense, Spain; (A.G.P.); (P.O.); (J.E.); (A.C.-C.); (F.C.); (N.C.); (A.J.); (C.L.-L.)
| | - Franklin Chamorro
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E-32004 Ourense, Spain; (A.G.P.); (P.O.); (J.E.); (A.C.-C.); (F.C.); (N.C.); (A.J.); (C.L.-L.)
| | - Nicolas Collazo
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E-32004 Ourense, Spain; (A.G.P.); (P.O.); (J.E.); (A.C.-C.); (F.C.); (N.C.); (A.J.); (C.L.-L.)
| | - Amira Jaboui
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E-32004 Ourense, Spain; (A.G.P.); (P.O.); (J.E.); (A.C.-C.); (F.C.); (N.C.); (A.J.); (C.L.-L.)
| | - Catarina Lourenço-Lopes
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E-32004 Ourense, Spain; (A.G.P.); (P.O.); (J.E.); (A.C.-C.); (F.C.); (N.C.); (A.J.); (C.L.-L.)
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E-32004 Ourense, Spain; (A.G.P.); (P.O.); (J.E.); (A.C.-C.); (F.C.); (N.C.); (A.J.); (C.L.-L.)
- Correspondence: (J.S.-G.); (M.A.P.)
| | - Miguel A. Prieto
- Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E-32004 Ourense, Spain; (A.G.P.); (P.O.); (J.E.); (A.C.-C.); (F.C.); (N.C.); (A.J.); (C.L.-L.)
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolonia, 5300-253 Bragança, Portugal
- Correspondence: (J.S.-G.); (M.A.P.)
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Kim WS, Kim CH, Lee JM, Jeon JH, Kang BG, Warkad MS, Inci G, Suh HW, Lim SS, Kim SC, Kim J, Lee JY. Purple corn extract (PCE) alleviates cigarette smoke (CS)-induced DNA damage in rodent blood cells by activation of AMPK/Foxo3a/MnSOD pathway. Anim Cells Syst (Seoul) 2021; 25:65-73. [PMID: 33717418 PMCID: PMC7935119 DOI: 10.1080/19768354.2021.1883734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
Purple corn extract (PCE) is a nutraceutical, an activator of AMPK, and it has antioxidants and anticancer properties. Therefore, PCE could be a candidate for alleviating cigarette smoke (CS)-induced oxidative DNA damage. This study examined whether PCE can have a protective effect on blood cells in an animal model of cigarette smoke (CS)-induced DNA damage. PCE was orally administered to CS-inhaled Spraque-Dawley (SD) rats, followed by the target cells being examined for markers of DNA damage. The study also sought to elucidate the mechanism of PCE action in the PCE treated animals. SD rat inhalation of CS was for once a day for 30 min, repeated for 7 days. PCE was administered orally before CS inhalation. Pretreatment of the animals with oral PCE kept the numbers of white blood cells (WBC) as well as neutrophils (NE), lymphocytes (LY), monocytes (Mo), eosinophils (EO), abd jasophils (BA) from increasing as those were increased in the CS-inhaling SD rats. The amount of phosphorylated γ-H2AX, a DNA damage marker, was assayed in the circulating blood cells collected from the animals and western blot analysis with anti-Foxo3a, p-Foxo3a, p-AMPK, MnSOD antibodies were performed on those cells. PCE protected the circulating blood cells from CS inhalation-induced DNA damage by 44% as assayed by increases in γ-H2AX. PCE also increased the nuclear localization of Foxo3a by 52% over control cells. Mechanistically, PCE appears to efficiently protect various blood cell types from CS-induced DNA damage through removal of ROS via activation of the AMPK/Foxo3a/MnSOD pathway.
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Affiliation(s)
- Wan-Sik Kim
- Biochemistry, Hallym University College of Medicine, Chuncheon, The Republic of Korea
| | - Chea-Ha Kim
- Biochemistry, Hallym University College of Medicine, Chuncheon, The Republic of Korea
| | - Jung-Min Lee
- Biochemistry, Hallym University College of Medicine, Chuncheon, The Republic of Korea
| | - Jeong-Ho Jeon
- Biochemistry, Hallym University College of Medicine, Chuncheon, The Republic of Korea
| | - Beom-Goo Kang
- Biochemistry, Hallym University College of Medicine, Chuncheon, The Republic of Korea
| | - Madhuri Shende Warkad
- Biochemistry, Hallym University College of Medicine, Chuncheon, The Republic of Korea
| | - Gozde Inci
- Biochemistry, Hallym University College of Medicine, Chuncheon, The Republic of Korea
| | - Hong-Won Suh
- Pharmacology, Hallym University College of Medicine, Chuncheon, The Republic of Korea
| | - Soon Sung Lim
- Department of Food and Nutrition, Hallym University, College of Natural Science, Chuncheon, The Republic of Korea
| | - Sung-Chan Kim
- Biochemistry, Hallym University College of Medicine, Chuncheon, The Republic of Korea
| | - Jaebong Kim
- Biochemistry, Hallym University College of Medicine, Chuncheon, The Republic of Korea
| | - Jae-Yong Lee
- Biochemistry, Hallym University College of Medicine, Chuncheon, The Republic of Korea
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12
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Jurić S, Jurić M, Król-Kilińska Ż, Vlahoviček-Kahlina K, Vinceković M, Dragović-Uzelac V, Donsì F. Sources, stability, encapsulation and application of natural pigments in foods. FOOD REVIEWS INTERNATIONAL 2020. [DOI: 10.1080/87559129.2020.1837862] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Slaven Jurić
- Faculty of Agriculture, Department of Chemistry, University of Zagreb, Zagreb, Croatia
| | - Marina Jurić
- Faculty of Pharmacy and Biochemistry, Department of Pharmacognosy, University of Zagreb, Zagreb, Croatia
| | - Żaneta Król-Kilińska
- Department of Functional Food Products Development, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | | | - Marko Vinceković
- Faculty of Agriculture, Department of Chemistry, University of Zagreb, Zagreb, Croatia
| | - Verica Dragović-Uzelac
- Faculty of Food Technology and Biotechnology, Department of Food Engineering, University of Zagreb, Zagreb, Croatia
| | - Francesco Donsì
- Department of Industrial Engineering, University of Salerno, Fisciano, Italy
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13
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Mechanistic understanding of β-cryptoxanthin and lycopene in cancer prevention in animal models. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158652. [PMID: 32035228 DOI: 10.1016/j.bbalip.2020.158652] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/26/2020] [Accepted: 01/28/2020] [Indexed: 02/07/2023]
Abstract
To better understand the potential function of carotenoids in the chemoprevention of cancers, mechanistic understanding of carotenoid action on genetic and epigenetic signaling pathways is critically needed for human studies. The use of appropriate animal models is the most justifiable approach to resolve mechanistic issues regarding protective effects of carotenoids at specific organs and tissue sites. While the initial impetus for studying the benefits of carotenoids in cancer prevention was their antioxidant capacity and pro-vitamin A activity, significant advances have been made in the understanding of the action of carotenoids with regards to other mechanisms. This review will focus on two common carotenoids, provitamin A carotenoid β-cryptoxanthin and non-provitamin A carotenoid lycopene, as promising chemopreventive agents or chemotherapeutic compounds against cancer development and progression. We reviewed animal studies demonstrating that β-cryptoxanthin and lycopene effectively prevent the development or progression of various cancers and the potential mechanisms involved. We highlight recent research that the biological functions of β-cryptoxanthin and lycopene are mediated, partially via their oxidative metabolites, through their effects on key molecular targeting events, such as NF-κB signaling pathway, RAR/PPARs signaling, SIRT1 signaling pathway, and p53 tumor suppressor pathways. The molecular targets by β-cryptoxanthin and lycopene, offer new opportunities to further our understanding of common and distinct mechanisms that involve carotenoids in cancer prevention. This article is part of a Special Issue entitled Carotenoids recent advances in cell and molecular biology edited by Johannes von Lintig and Loredana Quadro.
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14
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Kurokawa Y, Fujii G, Tomono S, Miyamoto S, Hamoya T, Takahashi M, Narita T, Komiya M, Kobayashi M, Higami Y, Mutoh M. The Radical Scavenger NZ-419 Suppresses Intestinal Polyp Development in Apc-Mutant Mice. J Clin Med 2020; 9:jcm9010270. [PMID: 31963747 PMCID: PMC7019572 DOI: 10.3390/jcm9010270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/14/2020] [Accepted: 01/15/2020] [Indexed: 11/16/2022] Open
Abstract
Colorectal cancer is the fourth leading cause of cancer death worldwide, and it is important to establish effective methods for preventing colorectal cancer. One effective prevention strategy could be the use of antioxidants. However, the role of the direct antioxidative function of antioxidants against carcinogenesis has not been clarified. Thus, we aimed to determine whether the direct removal of reactive oxygen species by a hydroxyl radical scavenger, NZ-419, could inhibit colorectal carcinogenesis. NZ-419 is a creatinine metabolite that has been shown to be safe and to inhibit the progression of chronic kidney disease in rats, and it is now under clinical development. In the present study, we demonstrated that NZ-419 eliminated reactive oxygen species production in HCT116 cells after H2O2 stimulation and suppressed H2O2-induced Nrf2 promoter transcriptional activity. The administration of 500 ppm NZ-419 to Apc-mutant Min mice for 8 weeks resulted in a decrease in the number of polyps in the middle segment of the small intestine to 62.4% of the value in the untreated control (p < 0.05 vs. control group). As expected, NZ-419 treatment affected the levels of reactive carbonyl species, which are oxidative stress markers in the serum of Min mice. Suppression of the mRNA levels of the proliferation-associated factor c-Myc was observed in intestinal polyps of Min mice after NZ-419 treatment, with a weak suppression of epithelial cell proliferation assessed by proliferation cell nuclear antigen (PCNA) staining in the intestinal polyps. This study demonstrated that NZ-419 suppress the development of intestinal polyps in Min mice, suggesting the utility of radical scavenger/antioxidants as a cancer chemopreventive agent.
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Affiliation(s)
- Yurie Kurokawa
- Epidemiology and Prevention Division, Research Center for Cancer Prevention and Screening, National Cancer Center, Tokyo 104-0045, Japan; (Y.K.); (S.M.); (T.H.); (M.T.); (T.N.); (M.K.)
- Laboratory of Molecular Pathology and Metabolic Disease, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba 278-8510, Japan; (M.K.); (Y.H.)
| | - Gen Fujii
- Central Radioisotope Division, National Cancer Center Research, Tokyo 104-0045, Japan;
| | - Susumu Tomono
- Department of Microbiology and Immunology, Aichi Medical University, Nagakute, Aichi 480-1195, Japan;
| | - Shingo Miyamoto
- Epidemiology and Prevention Division, Research Center for Cancer Prevention and Screening, National Cancer Center, Tokyo 104-0045, Japan; (Y.K.); (S.M.); (T.H.); (M.T.); (T.N.); (M.K.)
- Department of Cancer Cell Research, Sasaki Institute, Sasaki Foundation, Tokyo 101-0062, Japan
| | - Takahiro Hamoya
- Epidemiology and Prevention Division, Research Center for Cancer Prevention and Screening, National Cancer Center, Tokyo 104-0045, Japan; (Y.K.); (S.M.); (T.H.); (M.T.); (T.N.); (M.K.)
| | - Maiko Takahashi
- Epidemiology and Prevention Division, Research Center for Cancer Prevention and Screening, National Cancer Center, Tokyo 104-0045, Japan; (Y.K.); (S.M.); (T.H.); (M.T.); (T.N.); (M.K.)
| | - Takumi Narita
- Epidemiology and Prevention Division, Research Center for Cancer Prevention and Screening, National Cancer Center, Tokyo 104-0045, Japan; (Y.K.); (S.M.); (T.H.); (M.T.); (T.N.); (M.K.)
| | - Masami Komiya
- Epidemiology and Prevention Division, Research Center for Cancer Prevention and Screening, National Cancer Center, Tokyo 104-0045, Japan; (Y.K.); (S.M.); (T.H.); (M.T.); (T.N.); (M.K.)
| | - Masaki Kobayashi
- Laboratory of Molecular Pathology and Metabolic Disease, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba 278-8510, Japan; (M.K.); (Y.H.)
- Translational Research Center, Research Institute of Science and Technology, Tokyo University of Science, Chiba 278-8510, Japan
| | - Yoshikazu Higami
- Laboratory of Molecular Pathology and Metabolic Disease, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Chiba 278-8510, Japan; (M.K.); (Y.H.)
- Translational Research Center, Research Institute of Science and Technology, Tokyo University of Science, Chiba 278-8510, Japan
| | - Michihiro Mutoh
- Epidemiology and Prevention Division, Research Center for Cancer Prevention and Screening, National Cancer Center, Tokyo 104-0045, Japan; (Y.K.); (S.M.); (T.H.); (M.T.); (T.N.); (M.K.)
- Translational Research Center, Research Institute of Science and Technology, Tokyo University of Science, Chiba 278-8510, Japan
- Division of Carcinogenesis and Cancer Prevention, National Cancer Center Research Institute, Tokyo 104-0045, Japan
- Correspondence: ; Tel.: +81-03-3542-2511 (ext. 3337)
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15
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Pumpkin Waste as Livestock Feed: Impact on Nutrition and Animal Health and on Quality of Meat, Milk, and Egg. Animals (Basel) 2019; 9:ani9100769. [PMID: 31597395 PMCID: PMC6826842 DOI: 10.3390/ani9100769] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 09/27/2019] [Accepted: 09/30/2019] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Pumpkin waste are part of the millions of tons of vegetable residues produced yearly that could be used in livestock feeding. Their value not only relies in its nutritional content as its bioactive compounds could modify meat, milk, and egg composition which are of uttermost value for human nutrition. Furthermore, pumpkin waste, which cannot be used in human consumption, may contribute to diminish human-livestock competition for cropland. In this review, we describe the potential of pumpkin waste as animal feedstock as a strategy for more sustainable livestock production while making emphasis on the importance of food from animal origin in human health. Abstract Meat, milk, and egg contribute positively to the nutrition and health of humans; however, livestock requires a large number of resources, including land for fodder and grains. Worldwide millions of tons of vegetable waste are produced without any further processing, causing pollution and health risks. Properly managed vegetable waste could provide a source of feed for livestock, thus reducing feeding costs. In this regard, pumpkin waste (Cucurbita sp.) is an alternative. Research on pumpkin waste on animal nutrition is scarce, however, it has potential as animal feed not only for its nutritional value but also for its antioxidants, pigments, and polysaccharides content that could enhance quality of meat, milk, and egg, as well animal health. In this review, we describe the environmental impact of livestock as a result of greater demand for food of animal origin, including the importance of the consumption of animal foods in human nutrition and health. Moreover, we emphasize the potential of plant residues and, particularly, on the characteristics of pumpkins and how their use as feedstuff for livestock could improve productivity and modify the composition of meat, milk, and egg.
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16
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Wang C, Yang T, Guo XF, Li D. The Associations of Fruit and Vegetable Intake with Lung Cancer Risk in Participants with Different Smoking Status: A Meta-Analysis of Prospective Cohort Studies. Nutrients 2019; 11:nu11081791. [PMID: 31382476 PMCID: PMC6723574 DOI: 10.3390/nu11081791] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 07/29/2019] [Accepted: 07/30/2019] [Indexed: 12/24/2022] Open
Abstract
The results of epidemiological studies on the relationship between fruit and vegetable intake and lung cancer risk were inconsistent among participants with different smoking status. The purpose of this study was to investigate these relationships in participants with different smoking status with prospective cohort studies. A systematic literature retrieval was conducted using PubMed and Scopus databases up to June 2019. The summary relative risks (RRs) and the corresponding 95% confidence intervals (CIs) were calculated by random-effects model. The nonlinear dose-response analysis was carried out with restricted cubic spline regression model. Publication bias was estimated using Begg’s test. Nine independent prospective studies were included for data synthesis. Dietary consumption of fruit was negatively correlated with lung cancer risk among current smokers and former smokers, and the summery RRs were 0.86 (95% CI: 0.78, 0.94) and 0.91 (95% CI: 0.84, 0.99), respectively. Consumption of vegetable was significantly associated with reduced risk of lung cancer for current smokers (summary RR = 87%; 95% CI: 0.78, 0.94), but not for former smokers and never for smokers. Dose-response analysis suggested that risk of lung cancer was reduced by 5% (95% CI: 0.93, 0.97) in current smokers, and reduced by 4% (95% CI: 0.93, 0.98) in former smokers with an increase of 100 grams of fruit intake per day, respectively. Besides, dose-response analysis indicated a 3% reduction in lung cancer risk in current smokers for 100 gram per day increase of vegetable intake (95% CI: 0.96, 1.00). The findings of this study provide strong evidence that higher fruit consumption is negatively associated with the risk of lung cancer among current smokers and former smokers, while vegetable intake is significantly correlated with reducing the risk of lung cancer in current smokers. These findings might have considerable public health significance for the prevention of lung cancer through dietary interventions.
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Affiliation(s)
- Chong Wang
- Institute of Nutrition and Health, Qingdao University, Qingdao 266071, China
| | - Ting Yang
- Institute of Nutrition and Health, Qingdao University, Qingdao 266071, China
| | - Xiao-Fei Guo
- Institute of Nutrition and Health, Qingdao University, Qingdao 266071, China
| | - Duo Li
- Institute of Nutrition and Health, Qingdao University, Qingdao 266071, China.
- Department of Food Science and Nutrition, Zhejiang University, Hangzhou 310058, China.
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17
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Lee Y, Hu S, Park YK, Lee JY. Health Benefits of Carotenoids: A Role of Carotenoids in the Prevention of Non-Alcoholic Fatty Liver Disease. Prev Nutr Food Sci 2019; 24:103-113. [PMID: 31328113 PMCID: PMC6615349 DOI: 10.3746/pnf.2019.24.2.103] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 04/02/2019] [Indexed: 12/12/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is one of the most common chronic liver diseases with a prevalence of ~25% worldwide. NAFLD includes simple hepatic steatosis, non-alcoholic steatohepatitis, fibrosis, and cirrhosis, which can further progress to hepatocellular carcinoma. Therefore, effective strategies for the prevention of NAFLD are needed. The pathogenesis of NAFLD is complicated due to diverse injury insults, such as fat accumulation, oxidative stress, inflammation, lipotoxicity, and apoptosis, which may act synergistically. Studies have shown that carotenoids, a natural group of isoprenoid pigments, prevent the development of NAFLD by exerting antioxidant, lipid-lowering, anti-inflammatory, anti-fibrotic, and insulin-sensitizing properties. This review summarizes the protective action of carotenoids, with primary focuses on astaxanthin, lycopene, β-carotene, β-cryptoxanthin, lutein, fucoxanthin, and crocetin, against the development and progression of NAFLD.
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Affiliation(s)
- Yoojin Lee
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA
| | - Siqi Hu
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA
| | - Young-Ki Park
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA
| | - Ji-Young Lee
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA.,Department of Food and Nutrition, Kyung Hee University, Seoul 02447, Korea
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18
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Mustra Rakic J, Liu C, Veeramachaneni S, Wu D, Paul L, Chen CYO, Ausman LM, Wang XD. Lycopene Inhibits Smoke-Induced Chronic Obstructive Pulmonary Disease and Lung Carcinogenesis by Modulating Reverse Cholesterol Transport in Ferrets. Cancer Prev Res (Phila) 2019; 12:421-432. [PMID: 31177203 DOI: 10.1158/1940-6207.capr-19-0063] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 04/01/2019] [Accepted: 05/15/2019] [Indexed: 12/17/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) and lung cancer share the same etiologic factor, cigarette smoking. Higher consumption of dietary lycopene has been associated with lower risks of COPD and lung cancer in smokers. We investigated whether lycopene feeding protects against COPD and lung cancer in ferrets, a nonrodent model that closely mimics cigarette smoke (CS)-induced chronic bronchitis, emphysema, and lung tumorigenesis in human. We also explored whether the protective effect of lycopene is associated with restoring reverse cholesterol transport (RCT), a key driver in persistent inflammation with CS exposure. Ferrets (4 groups, n = 12-16/group) were exposed to a combination of tobacco carcinogen (NNK) and CS with or without consuming lycopene at low and high doses (equivalent to ∼30 and ∼90 mg lycopene/day in human, respectively) for 22 weeks. Results showed that dietary lycopene at a high dose significantly inhibited NNK/CS-induced chronic bronchitis, emphysema, and preneoplastic lesions, including squamous metaplasia and atypical adenomatous hyperplasia, as compared with the NNK/CS alone (P < 0.05). Lycopene feeding also tended to decrease the lung neoplastic lesions. Furthermore, lycopene feeding significantly inhibited NNK/CS-induced accumulation of total cholesterol, and increased mRNA expression of critical genes related to the RCT (PPARα, LXRα, and ATP-binding cassette transporters ABCA1 and ABCG1) in the lungs, which were downregulated by the NNK/CS exposure. The present study has provided the first evidence linking a protective role of dietary lycopene against COPD and preneoplastic lesions to RCT-mediated cholesterol accumulation in lungs.
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Affiliation(s)
- Jelena Mustra Rakic
- Nutrition and Cancer Biology Lab, Jean Mayer USDA-Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, Massachusetts.,Biochemical and Molecular Nutrition Program, Friedman School of Nutrition Science and Policy, Tufts University, Boston, Massachusetts
| | - Chun Liu
- Nutrition and Cancer Biology Lab, Jean Mayer USDA-Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, Massachusetts
| | - Sudipta Veeramachaneni
- Nutrition and Cancer Biology Lab, Jean Mayer USDA-Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, Massachusetts
| | - Dayong Wu
- Biochemical and Molecular Nutrition Program, Friedman School of Nutrition Science and Policy, Tufts University, Boston, Massachusetts.,Nutritional Immunology Lab, JM USDA-HNRCA at Tufts University, Boston, Massachusetts
| | - Ligi Paul
- Biochemical and Molecular Nutrition Program, Friedman School of Nutrition Science and Policy, Tufts University, Boston, Massachusetts.,Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, Massachusetts
| | - C-Y Oliver Chen
- Biochemical and Molecular Nutrition Program, Friedman School of Nutrition Science and Policy, Tufts University, Boston, Massachusetts
| | - Lynne M Ausman
- Nutrition and Cancer Biology Lab, Jean Mayer USDA-Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, Massachusetts.,Biochemical and Molecular Nutrition Program, Friedman School of Nutrition Science and Policy, Tufts University, Boston, Massachusetts
| | - Xiang-Dong Wang
- Nutrition and Cancer Biology Lab, Jean Mayer USDA-Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, Massachusetts. .,Biochemical and Molecular Nutrition Program, Friedman School of Nutrition Science and Policy, Tufts University, Boston, Massachusetts
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19
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Moran NE, Mohn ES, Hason N, Erdman JW, Johnson EJ. Intrinsic and Extrinsic Factors Impacting Absorption, Metabolism, and Health Effects of Dietary Carotenoids. Adv Nutr 2018; 9:465-492. [PMID: 30032230 PMCID: PMC6054194 DOI: 10.1093/advances/nmy025] [Citation(s) in RCA: 114] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 11/06/2017] [Accepted: 03/22/2018] [Indexed: 12/16/2022] Open
Abstract
Carotenoids are orange, yellow, and red lipophilic pigments present in many fruit and vegetables, as well as other food groups. Some carotenoids contribute to vitamin A requirements. The consumption and blood concentrations of specific carotenoids have been associated with reduced risks of a number of chronic conditions. However, the interpretation of large, population-based observational and prospective clinical trials is often complicated by the many extrinsic and intrinsic factors that affect the physiologic response to carotenoids. Extrinsic factors affecting carotenoid bioavailability include food-based factors, such as co-consumed lipid, food processing, and molecular structure, as well as environmental factors, such as interactions with prescription drugs, smoking, or alcohol consumption. Intrinsic, physiologic factors associated with blood and tissue carotenoid concentrations include age, body composition, hormonal fluctuations, and variation in genes associated with carotenoid absorption and metabolism. To most effectively investigate carotenoid bioactivity and to utilize blood or tissue carotenoid concentrations as biomarkers of intake, investigators should either experimentally or statistically control for confounding variables affecting the bioavailability, tissue distribution, and metabolism of carotene and xanthophyll species. Although much remains to be investigated, recent advances have highlighted that lipid co-consumption, baseline vitamin A status, smoking, body mass and body fat distribution, and genetics are relevant covariates for interpreting blood serum or plasma carotenoid responses. These and other intrinsic and extrinsic factors are discussed, highlighting remaining gaps in knowledge and opportunities for future research. To provide context, we review the state of knowledge with regard to the prominent health effects of carotenoids.
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Affiliation(s)
- Nancy E Moran
- USDA–Agricultural Research Service Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, TX
| | - Emily S Mohn
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA
| | - Noor Hason
- USDA–Agricultural Research Service Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, TX
| | - John W Erdman
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL
| | - Elizabeth J Johnson
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA
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20
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Potential Micronutrients and Phytochemicals against the Pathogenesis of Chronic Obstructive Pulmonary Disease and Lung Cancer. Nutrients 2018; 10:nu10070813. [PMID: 29941777 PMCID: PMC6073117 DOI: 10.3390/nu10070813] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 06/14/2018] [Accepted: 06/15/2018] [Indexed: 12/13/2022] Open
Abstract
Lung cancer and chronic obstructive pulmonary disease have shared etiology, including key etiological changes (e.g., DNA damage and epigenetics change) and lung function impairment. Focusing on those shared targets may help in the prevention of both. Certain micronutrients (vitamins and minerals) and phytochemicals (carotenoids and phenols) have potent antioxidant or methyl-donating properties and thus have received considerable interest. We reviewed recent papers probing into the potential of nutrients with respect to lung function preservation and prevention of lung cancer risk, and suggest several hypothetical intervention patterns. Intakes of vitamins (i.e., A, C, D, E, B12), carotenoids, flavonoids, curcumins, resveratrol, magnesium, and omega-3 fatty acids all show protective effects against lung function loss, some mainly by improving average lung function and others through reducing decline rate. Dietary interventions early in life may help lung function reserve over the lifespan. Protective nutrient interventions among smokers are likely to mitigate the effects of cigarettes on lung health. We also discuss their underlying mechanisms and some possible causes for the inconsistent results in observational studies and supplementation trials. The role of the lung microbiome on lung health and its potential utility in identifying protective nutrients are discussed as well. More prospective cohorts and well-designed clinical trials are needed to promote the transition of individualized nutrient interventions into health policy.
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21
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Guo C, Ding P, Xie C, Ye C, Ye M, Pan C, Cao X, Zhang S, Zheng S. Potential application of the oxidative nucleic acid damage biomarkers in detection of diseases. Oncotarget 2017; 8:75767-75777. [PMID: 29088908 PMCID: PMC5650463 DOI: 10.18632/oncotarget.20801] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Accepted: 08/27/2017] [Indexed: 12/14/2022] Open
Abstract
Reactive oxygen species (ROS) are generated after exposure to harmful environmental factors and during normal cellular metabolic processes. The balance of the generating and scavenging of ROS plays a significant role in living cells. The accumulation of ROS will lead to oxidative damage to biomolecules including nucleic acid. Although many types of oxidative nucleic acid damage products have been identified, 8-oxo-7,8-dihydro-2’-deoxyguanosine (8-oxodG) and 8-oxo-7,8-dihydroguanosine (8-oxoG) has been commonly chosen as the biomarkers of oxidative damage to DNA and RNA, respectively. It has been demonstrated that oxidative damage to nucleic acid is an initiator in pathogenesis of numerous diseases. Thus, oxidative nucleic acid damage biomarkers have the potential to be utilized for detection of diseases. Herein, we reviewed the relationship of oxidative nucleic acid damage and development of various diseases including cancers (colorectal cancer, gastrointestinal cancer, breast cancer, lung cancer, epithelial ovarian carcinoma, esophageal squamous cell carcinoma), neurodegenerative disorders and chronic diseases (diabetes and its complications, cardiovascular diseases). The potential of oxidative nucleic acid damage biomarkers for detection of diseases and drug development were described. Moreover, the approaches for detection of these biomarkers were also summarized.
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Affiliation(s)
- Cheng Guo
- Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Peili Ding
- Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Cong Xie
- Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China.,College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Chenyang Ye
- Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Minfeng Ye
- Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China.,Department of Gastrointestinal Surgery, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, Zhejiang 312000, China
| | - Chi Pan
- Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Xiaoji Cao
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Suzhan Zhang
- Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China.,Research Center for Air Pollution and Health, Zhejiang University, Hangzhou, Zhejiang 310009, China
| | - Shu Zheng
- Cancer Institute, Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China.,Research Center for Air Pollution and Health, Zhejiang University, Hangzhou, Zhejiang 310009, China
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Jones B, Donovan C, Liu G, Gomez HM, Chimankar V, Harrison CL, Wiegman CH, Adcock IM, Knight DA, Hirota JA, Hansbro PM. Animal models of COPD: What do they tell us? Respirology 2016; 22:21-32. [DOI: 10.1111/resp.12908] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 08/01/2016] [Accepted: 08/02/2016] [Indexed: 01/28/2023]
Affiliation(s)
- Bernadette Jones
- Priority Research Centre for Healthy Lungs; Hunter Medical Research Institute, The University of Newcastle, Newcastle, New South Wales, Australia; London UK
| | - Chantal Donovan
- Priority Research Centre for Healthy Lungs; Hunter Medical Research Institute, The University of Newcastle, Newcastle, New South Wales, Australia; London UK
| | - Gang Liu
- Priority Research Centre for Healthy Lungs; Hunter Medical Research Institute, The University of Newcastle, Newcastle, New South Wales, Australia; London UK
| | - Henry M. Gomez
- Priority Research Centre for Healthy Lungs; Hunter Medical Research Institute, The University of Newcastle, Newcastle, New South Wales, Australia; London UK
| | - Vrushali Chimankar
- Priority Research Centre for Healthy Lungs; Hunter Medical Research Institute, The University of Newcastle, Newcastle, New South Wales, Australia; London UK
| | - Celeste L. Harrison
- Priority Research Centre for Healthy Lungs; Hunter Medical Research Institute, The University of Newcastle, Newcastle, New South Wales, Australia; London UK
| | - Cornelis H. Wiegman
- The Airways Disease Section, National Heart and Lung Institute; Imperial College London; London UK
| | - Ian M. Adcock
- The Airways Disease Section, National Heart and Lung Institute; Imperial College London; London UK
| | - Darryl A. Knight
- Priority Research Centre for Healthy Lungs; Hunter Medical Research Institute, The University of Newcastle, Newcastle, New South Wales, Australia; London UK
| | - Jeremy A. Hirota
- James Hogg Research Centre; University of British Columbia; Vancouver British Columbia Canada
| | - Philip M. Hansbro
- Priority Research Centre for Healthy Lungs; Hunter Medical Research Institute, The University of Newcastle, Newcastle, New South Wales, Australia; London UK
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23
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Iskandar AR, Miao B, Li X, Hu KQ, Liu C, Wang XD. β-Cryptoxanthin Reduced Lung Tumor Multiplicity and Inhibited Lung Cancer Cell Motility by Downregulating Nicotinic Acetylcholine Receptor α7 Signaling. Cancer Prev Res (Phila) 2016; 9:875-886. [PMID: 27623933 DOI: 10.1158/1940-6207.capr-16-0161] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 08/29/2016] [Indexed: 12/31/2022]
Abstract
Despite the consistent association between a higher intake of the provitamin A carotenoid β-cryptoxanthin (BCX) and a lower risk of lung cancer among smokers, potential mechanisms supporting BCX as a chemopreventive agent are needed. We first examined the effects of BCX on 4-[methyl nitrosamino]-1-[3-pyridyl]-1-butanone (NNK)-induced lung tumorigenesis in A/J mice. BCX supplementation was given daily to the mice starting 2 weeks prior to the injection of NNK and continued 16 weeks after NNK injection. BCX supplementation resulted in a dose-dependent increase of BCX concentration in both serum and lungs of the mice without a significant alteration of vitamin A (retinol and retinyl palmitate) concentration. BCX significantly reduced the multiplicity of the NNK-induced lung tumor by 52% to 63% compared with the NNK-treated mice without BCX supplementation. The protective effect of BCX in the lungs was associated with reductions of both mRNA and protein of the homopentameric neuronal nicotinic acetylcholine receptor α7 (α7-nAChR), which has been implicated in lung tumorigenesis. We then conducted an in vitro cell culture study and found that BCX treatment suppressed α7-nAChR expression and inhibited the migration and invasion of α7-nAChR-positive lung cancer cells but not in cells lacking α7-nAChR. The activities of BCX were significantly attenuated by activators of α7-nAChR/PI3K signaling or by overexpression of constitutively active PI3K. Collectively, the results suggest that BCX inhibits lung tumorigenesis and cancer cell motility through the downregulation of α7-nAChR/PI3K signaling, independent of its provitamin A activity. Therefore, BCX can be used as a chemopreventive agent or a chemotherapeutic compound against lung cancer. Cancer Prev Res; 9(11); 875-86. ©2016 AACR.
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Affiliation(s)
- Anita R Iskandar
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
| | - Benchun Miao
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
| | - Xinli Li
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
| | - Kang-Quan Hu
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
| | - Chun Liu
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
| | - Xiang-Dong Wang
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts.
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24
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Aizawa K, Liu C, Tang S, Veeramachaneni S, Hu KQ, Smith DE, Wang XD. Tobacco carcinogen induces both lung cancer and non-alcoholic steatohepatitis and hepatocellular carcinomas in ferrets which can be attenuated by lycopene supplementation. Int J Cancer 2016; 139:1171-81. [PMID: 27116542 PMCID: PMC5085066 DOI: 10.1002/ijc.30161] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 04/15/2016] [Indexed: 12/23/2022]
Abstract
Early epidemiologic studies have reported that tobacco smoking, which is causally associated with liver cancer, is an independent risk factor for non-alcoholic fatty liver diseases (NAFLD). Lycopene from tomatoes has been shown to be a potential preventive agent against NAFLD and hepatocellular carcinoma (HCC). In the present study, we investigated whether the tobacco carcinogen 4-(N-methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone (NNK) induces lesions in both lungs and livers of ferrets with or without lycopene intervention. Male ferrets (6 groups, n = 8-10) were treated either with NNK (50 mg/kg BW, i.p., once a month for four consecutive months) or saline with or without dietary lycopene supplementation (2.2 and 6.6 mg/kg BW/day, respectively) for 26 weeks. Results demonstrate that NNK exposure results in higher incidences of lung tumors, HCC and steatohepatitis (which is characterized by severe inflammatory cell infiltration with concurrent fat accumulation in liver, hepatocellular ballooning degeneration and increased NF-κB expression), as well as elevations in bilirubin and AST levels in ferrets. Lycopene supplementation at two doses prevented NNK-induced expressions of α7 nicotinic acetylcholine receptor in the lung and NF-κB and CYP2E1 in the liver and attenuated the NNK-induced mortality and pathological lesions in both the lungs and livers of ferrets. The present study provided strong experimental evidence that the tobacco carcinogen NNK can induce both HCC and steatohepatitis in the ferrets and can be a useful model for studying tobacco carcinogen-associated NAFLD and liver cancer. Furthermore, lycopene could provide potential benefits against smoke carcinogen-induced pulmonary and hepatic injury.
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Affiliation(s)
- Koichi Aizawa
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
- Nature & Wellness Research Department, Research & Development Division, Kagome Co., Ltd., Tochigi, Japan
| | - Chun Liu
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Sanyuan Tang
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Sudipta Veeramachaneni
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Kang-Quan Hu
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Donald E. Smith
- Comparative Biology Unit, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Xiang-Dong Wang
- Nutrition and Cancer Biology Laboratory, Jean Mayer United States Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
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25
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Pandey S, Cabot PJ, Shaw PN, Hewavitharana AK. Anti-inflammatory and immunomodulatory properties of Carica papaya. J Immunotoxicol 2016; 13:590-602. [PMID: 27416522 DOI: 10.3109/1547691x.2016.1149528] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Chronic inflammation is linked with the generation and progression of various diseases such as cancer, diabetes and atherosclerosis, and anti-inflammatory drugs therefore have the potential to assist in the treatment of these conditions. Carica papaya is a tropical plant that is traditionally used in the treatment of various ailments including inflammatory conditions. A literature search was conducted by using the keywords "papaya", "anti-inflammatory and inflammation" and "immunomodulation and immune" along with cross-referencing. Both in vitro and in vivo investigation studies were included. This is a review of all studies published since 2000 on the anti-inflammatory activity of papaya extracts and their effects on various immune-inflammatory mediators. Studies on the anti-inflammatory activities of recognized phytochemicals present in papaya are also included. Although in vitro and in vivo studies have shown that papaya extracts and papaya-associated phytochemicals possess anti-inflammatory and immunomodulatory properties, clinical studies are lacking.
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Affiliation(s)
- Saurabh Pandey
- a School of Pharmacy , The University of Queensland , Brisbane , Australia
| | - Peter J Cabot
- a School of Pharmacy , The University of Queensland , Brisbane , Australia
| | - P Nicholas Shaw
- a School of Pharmacy , The University of Queensland , Brisbane , Australia
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26
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Burri BJ, La Frano MR, Zhu C. Absorption, metabolism, and functions of β-cryptoxanthin. Nutr Rev 2016; 74:69-82. [PMID: 26747887 PMCID: PMC4892306 DOI: 10.1093/nutrit/nuv064] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 05/31/2015] [Accepted: 06/13/2015] [Indexed: 02/07/2023] Open
Abstract
β-Cryptoxanthin, a carotenoid found in fruits and vegetables such as tangerines, red peppers, and pumpkin, has several functions important for human health. Most evidence from observational, in vitro, animal model, and human studies suggests that β-cryptoxanthin has relatively high bioavailability from its common food sources, to the extent that some β-cryptoxanthin-rich foods might be equivalent to β-carotene-rich foods as sources of retinol. β-Cryptoxanthin is an antioxidant in vitro and appears to be associated with decreased risk of some cancers and degenerative diseases. In addition, many in vitro, animal model, and human studies suggest that β-cryptoxanthin-rich foods may have an anabolic effect on bone and, thus, may help delay osteoporosis.
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Affiliation(s)
- Betty J Burri
- B.J. Burri, M.R. La Frano, and C. Zhu are with the Western Human Nutrition Research Center, US Department of Agriculture/Agricultural Research Service, Department of Nutrition, University of California, Davis, California, USA.
| | - Michael R La Frano
- B.J. Burri, M.R. La Frano, and C. Zhu are with the Western Human Nutrition Research Center, US Department of Agriculture/Agricultural Research Service, Department of Nutrition, University of California, Davis, California, USA
| | - Chenghao Zhu
- B.J. Burri, M.R. La Frano, and C. Zhu are with the Western Human Nutrition Research Center, US Department of Agriculture/Agricultural Research Service, Department of Nutrition, University of California, Davis, California, USA
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27
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Zeaxanthin: Review of Toxicological Data and Acceptable Daily Intake. J Ophthalmol 2016; 2016:3690140. [PMID: 26885380 PMCID: PMC4738691 DOI: 10.1155/2016/3690140] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 12/06/2015] [Indexed: 11/17/2022] Open
Abstract
Zeaxanthin is a nutritional carotenoid with a considerable amount of safety data based on regulatory studies, which form the basis of its safety evaluation. Subchronic OECD guideline studies with mice and rats receiving beadlet formulations of high purity synthetic zeaxanthin in the diet at dosages up to 1000 mg/kg body weight (bw)/day, and in dogs at over 400 mg/kg bw/day, produced no adverse effects or histopathological changes. In developmental toxicity studies, there was no evidence of fetal toxicity or teratogenicity in rats or rabbits at dosages up to 1000 or 400 mg/kg bw/day, respectively. Formulated zeaxanthin was not mutagenic or clastogenic in a series of in vitro and in vivo tests for genotoxicity. A 52-week chronic oral study in Cynomolgus monkeys at doses of 0.2 and 20 mg/kg bw/day, mainly designed to assess accumulation and effects in primate eyes, showed no adverse effects. In a rat two-generation study, the NOAEL was 150 mg/kg bw/day. In 2012, this dosage was used by EFSA (NDA Panel), in association with a 200-fold safety factor, to propose an Acceptable Daily Intake equivalent to 53 mg/day for a 70 kg adult. The requested use level of 2 mg/day was ratified by the EU Commission.
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28
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Liu XR, Wang YY, Dan XG, Kumar A, Ye TZ, Yu YY, Yang LG. Anti-inflammatory potential of β-cryptoxanthin against LPS-induced inflammation in mouse Sertoli cells. Reprod Toxicol 2015; 60:148-55. [PMID: 26686910 DOI: 10.1016/j.reprotox.2015.11.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Revised: 11/04/2015] [Accepted: 11/10/2015] [Indexed: 10/22/2022]
Abstract
β-cryptoxanthin (CX), a major carotenoid pigment, can inhibit inflammatory gene expression in mice with nonalcoholic steatohepatitis. In the present study, we examined the anti-inflammatory effects of CX on lipopolysaccharide (LPS)-induced inflammation in mouse primary Sertoli cells and the possible molecular mechanisms behind its effects. The results showed that CX significantly inhibited LPS-induced decreases in cell viability and in the percentage of apoptotic cells. Moreover, CX inhibited the LPS-induced up-regulation of tumor necrosis factor α (TNF-α), interleukin-10 (IL-10), interleukin-6 (IL-6) and interleukin-1β (IL-1β) in Sertoli cells. In addition, CX significantly limited the LPS-induced down-regulation of AR, HSF2, CREB, FSHR, INHBB and ABP in Sertoli cells. Western blot analysis showed that CX significantly suppressed NF-κB (p65) activation as well as MAPK phosphorylation. All the results suggested that CX suppressed inflammation, possibly associated with the NF-κB activation and MAPK of phosphorylation. Thus, CX may possess therapeutic potential against inflammation-related diseases.
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Affiliation(s)
- Xiao-Ran Liu
- Key Laboratory of China Education Ministry in Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China, 430070
| | - Yue-Ying Wang
- Key Laboratory of China Education Ministry in Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China, 430070
| | - Xin-Gang Dan
- Key Laboratory of China Education Ministry in Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China, 430070
| | - Ashok Kumar
- College of Life Science and Technology, State Key laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, P.R. China, 430070
| | - Ting-Zhu Ye
- Key Laboratory of China Education Ministry in Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China, 430070
| | - Yao-Yao Yu
- Key Laboratory of China Education Ministry in Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China, 430070
| | - Li-Guo Yang
- Key Laboratory of China Education Ministry in Agricultural Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China, 430070.
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Constans J, Bennetau-Pelissero C, Martin JF, Rock E, Mazur A, Bedel A, Morand C, Bérard AM. Marked antioxidant effect of orange juice intake and its phytomicronutrients in a preliminary randomized cross-over trial on mild hypercholesterolemic men. Clin Nutr 2015; 34:1093-100. [DOI: 10.1016/j.clnu.2014.12.016] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Revised: 09/15/2014] [Accepted: 12/17/2014] [Indexed: 02/05/2023]
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30
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Ferguson LR, Chen H, Collins AR, Connell M, Damia G, Dasgupta S, Malhotra M, Meeker AK, Amedei A, Amin A, Ashraf SS, Aquilano K, Azmi AS, Bhakta D, Bilsland A, Boosani CS, Chen S, Ciriolo MR, Fujii H, Guha G, Halicka D, Helferich WG, Keith WN, Mohammed SI, Niccolai E, Yang X, Honoki K, Parslow VR, Prakash S, Rezazadeh S, Shackelford RE, Sidransky D, Tran PT, Yang ES, Maxwell CA. Genomic instability in human cancer: Molecular insights and opportunities for therapeutic attack and prevention through diet and nutrition. Semin Cancer Biol 2015; 35 Suppl:S5-S24. [PMID: 25869442 PMCID: PMC4600419 DOI: 10.1016/j.semcancer.2015.03.005] [Citation(s) in RCA: 188] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 03/08/2015] [Accepted: 03/13/2015] [Indexed: 02/06/2023]
Abstract
Genomic instability can initiate cancer, augment progression, and influence the overall prognosis of the affected patient. Genomic instability arises from many different pathways, such as telomere damage, centrosome amplification, epigenetic modifications, and DNA damage from endogenous and exogenous sources, and can be perpetuating, or limiting, through the induction of mutations or aneuploidy, both enabling and catastrophic. Many cancer treatments induce DNA damage to impair cell division on a global scale but it is accepted that personalized treatments, those that are tailored to the particular patient and type of cancer, must also be developed. In this review, we detail the mechanisms from which genomic instability arises and can lead to cancer, as well as treatments and measures that prevent genomic instability or take advantage of the cellular defects caused by genomic instability. In particular, we identify and discuss five priority targets against genomic instability: (1) prevention of DNA damage; (2) enhancement of DNA repair; (3) targeting deficient DNA repair; (4) impairing centrosome clustering; and, (5) inhibition of telomerase activity. Moreover, we highlight vitamin D and B, selenium, carotenoids, PARP inhibitors, resveratrol, and isothiocyanates as priority approaches against genomic instability. The prioritized target sites and approaches were cross validated to identify potential synergistic effects on a number of important areas of cancer biology.
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Affiliation(s)
| | - Helen Chen
- Department of Pediatrics, University of British Columbia, Michael Cuccione Childhood Cancer Research Program, Child and Family Research Institute, Vancouver, Canada
| | - Andrew R Collins
- Department of Nutrition, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Marisa Connell
- Department of Pediatrics, University of British Columbia, Michael Cuccione Childhood Cancer Research Program, Child and Family Research Institute, Vancouver, Canada
| | - Giovanna Damia
- Department of Oncology, Instituti di Ricovero e Cura a Carattere Scientifico-Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy
| | - Santanu Dasgupta
- Department of Cellular and Molecular Biology, The University of Texas Health Science Center at Tyler, Tyler, United States
| | | | - Alan K Meeker
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, United States
| | - Amedeo Amedei
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Amr Amin
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates; Faculty of Science, Cairo University, Cairo, Egypt
| | - S Salman Ashraf
- Department of Chemistry, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Katia Aquilano
- Department of Biology, Università di Roma Tor Vergata, Rome, Italy
| | - Asfar S Azmi
- Department of Biology, University of Rochester, Rochester, United States
| | - Dipita Bhakta
- School of Chemical and BioTechnology, SASTRA University, Thanjavur, Tamil Nadu, India
| | - Alan Bilsland
- Institute of Cancer Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Chandra S Boosani
- Department of BioMedical Sciences, Creighton University, Omaha, NE, United States
| | - Sophie Chen
- Department of Research & Development, Ovarian and Prostate Cancer Research Trust Laboratory, Guildford, Surrey, United Kingdom
| | | | - Hiromasa Fujii
- Department of Orthopaedic Surgery, Nara Medical University, Kashihara, Nara, Japan
| | - Gunjan Guha
- School of Chemical and BioTechnology, SASTRA University, Thanjavur, Tamil Nadu, India
| | | | - William G Helferich
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Champaign, IL, United States
| | - W Nicol Keith
- Institute of Cancer Sciences, University of Glasgow, Glasgow, United Kingdom
| | - Sulma I Mohammed
- Department of Comparative Pathobiology and Purdue University Center for Cancer Research, Purdue University, West Lafayette, IN, United States
| | - Elena Niccolai
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Xujuan Yang
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Champaign, IL, United States
| | - Kanya Honoki
- Department of Orthopaedic Surgery, Nara Medical University, Kashihara, Nara, Japan
| | | | - Satya Prakash
- School of Pharmacy, University College Cork, Cork, Ireland
| | - Sarallah Rezazadeh
- Department of Biology, University of Rochester, Rochester, United States
| | - Rodney E Shackelford
- Department of Pathology, Louisiana State University Health Shreveport, Shreveport, LA, United States
| | - David Sidransky
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Phuoc T Tran
- Departments of Radiation Oncology & Molecular Radiation Sciences, Oncology and Urology, The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins School of Medicine, Baltimore, MD, United States
| | - Eddy S Yang
- Department of Radiation Oncology, University of Alabama at Birmingham School of Medicine, Birmingham, AL, United States
| | - Christopher A Maxwell
- Department of Pediatrics, University of British Columbia, Michael Cuccione Childhood Cancer Research Program, Child and Family Research Institute, Vancouver, Canada.
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31
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Rafacho BPM, Stice CP, Liu C, Greenberg AS, Ausman LM, Wang XD. Inhibition of diethylnitrosamine-initiated alcohol-promoted hepatic inflammation and precancerous lesions by flavonoid luteolin is associated with increased sirtuin 1 activity in mice. Hepatobiliary Surg Nutr 2015; 4:124-34. [PMID: 26005679 DOI: 10.3978/j.issn.2304-3881.2014.08.06] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Accepted: 09/21/2014] [Indexed: 12/12/2022]
Abstract
BACKGROUND Chronic and excessive alcohol consumption is an established risk for hepatic inflammation and carcinogenesis. Luteolin is one of the most common flavonoids present in plants and has potential beneficial effects against cancer. In this study, we examined the effect and potential mechanisms of luteolin supplementation in a carcinogen initiated alcohol-promoted pre-neoplastic liver lesion mouse model. METHODS C57BL/6 mice were injected with diethylnitrosamine (DEN) [i.p. 25 mg/kg of body weight (BW)] at 14 days of age. At 8 weeks of age mice were group pair-fed with Lieber-DeCarli liquid control diet or alcoholic diet [ethanol (EtOH) diet, 27% total energy from ethanol] and supplemented with a dose of 30 mg luteolin/kg BW per day for 21 days. RESULTS DEN-injected mice fed EtOH diet displayed a significant induction of pre-neoplastic lesions, a marker associated with presence of steatosis and inflammation. Dietary luteolin significantly reduced the severity and incidence of hepatic inflammatory foci and steatosis in DEN-injected mice fed EtOH diet, as well the presence of preneoplastic lesions. There was no difference on hepatic protein levels of sirtuin 1 (SIRT1) among all groups; however, luteolin supplementation significantly reversed alcohol-reduced SIRT1 activity assessed by the ratio of acetylated and total forkhead box protein O1 (FoXO1) and SIRT1 target proliferator-activated receptor gamma, coactivator 1 alpha (PGC1α). CONCLUSIONS Dietary intake of luteolin prevents alcohol promoted pre-neoplastic lesions, potentially mediated by SIRT1 signaling pathway.
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Affiliation(s)
- Bruna Paola Murino Rafacho
- 1 Nutrition and Cancer Biology Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 2 Department of Internal Medicine, Botucatu School of Medicine, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil ; 3 Obesity and Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 4 Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA 02111, USA
| | - Camilla Peach Stice
- 1 Nutrition and Cancer Biology Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 2 Department of Internal Medicine, Botucatu School of Medicine, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil ; 3 Obesity and Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 4 Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA 02111, USA
| | - Chun Liu
- 1 Nutrition and Cancer Biology Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 2 Department of Internal Medicine, Botucatu School of Medicine, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil ; 3 Obesity and Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 4 Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA 02111, USA
| | - Andrew S Greenberg
- 1 Nutrition and Cancer Biology Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 2 Department of Internal Medicine, Botucatu School of Medicine, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil ; 3 Obesity and Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 4 Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA 02111, USA
| | - Lynne M Ausman
- 1 Nutrition and Cancer Biology Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 2 Department of Internal Medicine, Botucatu School of Medicine, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil ; 3 Obesity and Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 4 Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA 02111, USA
| | - Xiang-Dong Wang
- 1 Nutrition and Cancer Biology Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 2 Department of Internal Medicine, Botucatu School of Medicine, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil ; 3 Obesity and Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA ; 4 Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA 02111, USA
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Terasaki M, Mutoh M, Fujii G, Takahashi M, Ishigamori R, Masuda S. Potential ability of xanthophylls to prevent obesity-associated cancer. World J Pharmacol 2014; 3:140-152. [DOI: 10.5497/wjp.v3.i4.140] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 10/02/2014] [Accepted: 11/03/2014] [Indexed: 02/06/2023] Open
Abstract
Obesity-associated cancers, including colon cancer and breast cancer, are increasing in Asian countries with Westernized lifestyles as exemplified by reduced physical activity and increased fat/sugar consumption. An excessive accumulation of visceral adipose tissue causes insulin resistance, dyslipidemia and adipocytokine imbalance, and these factors are suggested to be involved in cancer promotion. To prevent obesity-associated cancers, researcher attention is increasing on the so-called “functional foods”. In addition, new approaches to cancer control are in high demand, and using “functional foods” as supplemental or adjuvant agents in chemotherapy is thought to be a promising approach. One of these functional ingredients is xanthophylls, which are natural fat-soluble pigments found in fruits, vegetables, algae and other plants. Xanthophylls belong to the carotenoid class and have structures containing oxygen. Some studies have revealed that xanthophylls improve the inflammation status, serum triglyceride levels, blood pressure levels and liver function test values. Furthermore, recent studies show that xanthophylls possess high anti-cancer, anti-diabetic, anti-obesity and anti-oxidant properties. In this review, we highlight the recent findings for five xanthophylls, namely astaxanthin, β-cryptoxanthin, fucoxanthin, neoxanthin and zeaxanthin/lutein, and their relevance to cancer prevention.
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Li D, Xiao Y, Zhang Z, Liu C. Light-induced oxidation and isomerization of all-trans-β-cryptoxanthin in a model system. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2014; 142:51-8. [PMID: 25499103 DOI: 10.1016/j.jphotobiol.2014.11.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 10/13/2014] [Accepted: 11/11/2014] [Indexed: 12/22/2022]
Abstract
The oxidation and isomerization of all-trans-β-cryptoxanthin as affected by iodine-catalysed illumination and non-iodine-catalysed illumination were studied. Seven cis-isomers and two oxidation products were separated by HPLC method using a C30 column. The identification and structural elucidation of the compounds were determined by HPLC-DAD-APCI-MS. Five compounds were identified in details for the first time, namely, β-β-carotene-3-one, 5,6-epoxy-β-β-carotene-3-one, 13,15-di-cis-, 9,13-di-cis- and 9,9'-di-cis-β-cryptoxanthin. Sum of 13- and 13'-cis-β-cryptoxanthin was the major cis-isomer of β-cryptoxanthin formed, accounting for 59.0% and 30.6%, respectively. The formation of di-cis isomers may prefer in the present of iodine. 13,15-di-cis-β-cryptoxanthin was the major di-cis-isomer of the iodine-catalysed photo-isomerization.
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Affiliation(s)
- Dajing Li
- Institute of Farm Product Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; College of Forestry, Northeast Forestry University, Harbin 150040, China.
| | - Yadong Xiao
- Institute of Farm Product Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
| | - Zhongyuan Zhang
- Institute of Farm Product Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China.
| | - Chunquan Liu
- Institute of Farm Product Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China.
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Zhang H, Wang Y, Bai X, Lv Z, Zou J, Xu W, Wang H. Cyclic tensile strain on vocal fold fibroblasts inhibits cigarette smoke-induced inflammation: implications for Reinke edema. J Voice 2014; 29:13-21. [PMID: 25439508 DOI: 10.1016/j.jvoice.2014.06.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Accepted: 06/04/2014] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To investigate whether patients with Reinke edema are more extrovertive than patients with carcinoma and, whether cyclic tensile strain (CTS) attenuates cigarette smoke condensate (CSC)-induced inflammation in human vocal fold fibroblasts (HVFF). STUDY DESIGN In vitro and ex vivo study. METHODS Clinical investigation and Eysenck personality questionnaire were performed to evaluate the personality and smoking status in individuals among groups. 3-(4,5)-dimethylthiahiazo (-z-y1)-3,5-di-phenytetrazoliumromide (MTT) assay was applied to test the viabilities of cultured HVFF exposed to CSC and/or CTS. The messenger RNA (mRNA) and protein expressions of cluster of differentiation 44 (CD44), cyclooxygenase-2 (COX-2), and matrix metalloproteinase-9 (MMP-9) in tissues from Reinke edema, paracancerous site, normal vocal fold, and in HVFF with different treatments were measured by reverse transcriptase polymerase chain reaction or western blot, respectively. RESULTS Patients with either Reinke edema or carcinoma were moderate/heavy smokers; the extraversion score, however, was higher in Reinke edema patients than that in carcinoma patients. CD44 mRNA and protein expressions were significantly higher, whereas, COX-2 and MMP-9 expressions were significantly lower in Reinke edema tissues than those in paracancerous tissues. Treatment of HVFF with CSC led to the decrease in cell viability, the reduction in CD44 expression, but, the increase in COX-2 and MMP-9 expressions and, moreover, administration of CTS inhibited such effects of CSC on HVFF. CONCLUSIONS Our results demonstrate that Reinke edema patients have more extrovert personality characteristics in comparison to carcinoma patients and, importantly, CTS attenuates CSC-induced inflammation in HVFF. Phonatory vibration may be a mechanism for lower expression of proinflammatory mediators in Reinke edema tissues in spite of cigarette smoke exposure.
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Affiliation(s)
- Haiyan Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China; Shandong Provincial Key Laboratory of Otology, Jinan, P.R. China; Institute of Eye and ENT, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China
| | - Yawei Wang
- Department of Chemotherapy, Cancer Center, Qilu Hospital of Shandong University, Jinan, P.R. China
| | - Xiaohui Bai
- Department of Otorhinolaryngology Head and Neck Surgery, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China; Shandong Provincial Key Laboratory of Otology, Jinan, P.R. China; Institute of Eye and ENT, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China
| | - Zhenghua Lv
- Department of Otorhinolaryngology Head and Neck Surgery, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China; Shandong Provincial Key Laboratory of Otology, Jinan, P.R. China; Institute of Eye and ENT, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China
| | - Jidong Zou
- Department of Otorhinolaryngology Head and Neck Surgery, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China; Shandong Provincial Key Laboratory of Otology, Jinan, P.R. China; Institute of Eye and ENT, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China
| | - Wei Xu
- Department of Otorhinolaryngology Head and Neck Surgery, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China; Shandong Provincial Key Laboratory of Otology, Jinan, P.R. China; Institute of Eye and ENT, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China
| | - Haibo Wang
- Department of Otorhinolaryngology Head and Neck Surgery, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China; Shandong Provincial Key Laboratory of Otology, Jinan, P.R. China; Institute of Eye and ENT, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China.
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Development of ferret as a human lung cancer model by injecting 4-(Nmethyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone (NNK). Lung Cancer 2014; 82:390-6. [PMID: 24396883 DOI: 10.1016/j.lungcan.2013.09.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Development of new animal lung cancer models that are relevant to human lung carcino-genesis is important for lung cancer research. Previously we have shown the induction of lung tumor in ferrets (Mustela putorius furo) exposed to both tobacco smoke and a tobacco carcinogen (4-(N-methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone, NNK). In the present study, we investigated whether NNK treatment alone induces both preneoplastic and neoplastic lesions in the lungs of ferrets. METHODS We exposed ferrets to NNK by i.p. injection of NNK (50 mg/kg BW) once a month for four consecutive months and then followed up for 24, 26 and 32 weeks. The incidences of pulmonary pre-neoplastic and neoplastic lesions were assessed by histopathological examination. The expressions of 7 nicotinic acetylcholine receptor ( 7 nAChR, which has been shown to promote lung carcinogenesis)and its related molecular biomarkers in lungs were examined by immunohistochemistry and/or Western blotting analysis. RESULTS Ferrets exposed to NNK alone developed both preneoplastic lesions (squamous metaplasia, dysplasia and atypical adenomatous hyperplasia) and tumors (squamous cell carcinoma, adenocarcinoma and adenosquamous carcinoma), which are commonly seen in humans. The incidence of tumor induced by NNK was time-dependent in the ferrets (16.7%, 40.0% and 66.7% for 24, 26 and 32 weeks, respectively). 7 nAChR is highly expressed in the ferret bronchial/bronchiolar epithelial cells, and alveolar macrophages in ferrets exposed to NNK, and in both squamous cell carcinoma and adenocarcinoma of the ferrets. In addition, we observed the tendency for an increase in phospho-ERK and cyclin D1 protein levels (p = 0.081 and 0.080, respectively) in the lungs of ferrets exposed to NNK. CONCLUSION The development of both preneoplastic and neoplastic lesions in ferret lungs by injecting NNK alone provides a simple and highly relevant non-rodent model for studying biomarkers/molecular targets for the prevention, detection and treatment of lung carcinogenesis in humans.
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Lv ZQ, Han JJ, Liu YQ, Wang LL, Tang QL, Sun Q, Li HG. Expression of beclin 1 in non-small cell lung cancer: an immunohistochemical study. CLINICAL RESPIRATORY JOURNAL 2014; 9:359-65. [PMID: 24720835 DOI: 10.1111/crj.12148] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Revised: 03/11/2014] [Accepted: 04/04/2014] [Indexed: 01/22/2023]
Abstract
BACKGROUND Cigarette smoking causes a variety of adverse human health effects, including lung cancer. The molecular events associated with smoke-induced carcinogenesis are thought to be related in part to autophagy. Beclin 1 is an important autophagy-related protein involved in cell death and cell survival. AIM The purpose of this investigation was to determine the beclin 1 protein and its association with cigarette smoke and the mutation of epidermal growth factor receptor (EGFR) in non-small cell lung cancer (NSCLC). MATERIAL AND METHODOLOGY Our study included 108 cases of non-small cell lung cancer who were admitted in our hospital. The beclin 1 protein was detected by immunohistochemistry and EGFR mutation by direct sequencing. RESULTS Beclin 1 expression could be detected in 15 (13.9%) of 108 specimens. These studies investigated that beclin 1 expression was associated with heavy smoking, the gender and the histological type of NSCLC (P = 0.023, 0.035 and 0.039). No association of beclin 1 with EGFR mutation was found (P > 0.05). CONCLUSION The results from these experiments indicate that heavy smoking may induce the beclin 1 protein in NSCLC.
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Affiliation(s)
- Zhi-qiang Lv
- Department of Respiratory Medicine, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jing-jing Han
- Department of Pathology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ye-qing Liu
- Department of Pathology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Li-li Wang
- Department of Pathology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qiong-lan Tang
- Department of Pathology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qing Sun
- Department of Pathology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hai-gang Li
- Department of Pathology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
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The regulation of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone-induced lung tumor promotion by estradiol in female A/J mice. PLoS One 2014; 9:e93152. [PMID: 24682076 PMCID: PMC3969372 DOI: 10.1371/journal.pone.0093152] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Accepted: 03/02/2014] [Indexed: 11/25/2022] Open
Abstract
Epidemiological studies indicate that women are at a higher risk developing lung cancer than men are. It is suggested that estrogen is one of the most important factors in lung cancer development in females. Additionally, cigarette smoke, and environmental pollutants, such as 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), may play salient roles in female lung carcinogenesis. However, the mechanisms responsible for the interaction of these factors in the promotion of lung cancer are still poorly understood. The present study was designed to explore two ideas: first, the synergistic lung tumorigenic effects of 4-(methylnitrosamino)-1-(3-pyridyl)-butanol (NNK) combined with TCDD, 17β-estradiol (E2) or both through a long-term treatment experiment, and second, to identify early changes in the inflammatory and signaling pathways through short-term treatment experiments. The results indicate that A/J mice given E2 had strong effects in potentiating NNK-induced activation of MAPK signaling, NFκB, and COX-2 expression. In the long-term exposure model, E2 had a strong tumor promoting effect, whereas TCDD antagonized this effect in A/J mice. We conclude that treatment with NNK combined with either E2 or TCDD induces lung carcinogenesis and the promotion effects could be correlated with lung inflammation. E2 was shown to potentiate NNK-induced inflammation, cell proliferation, thereby leading to lung tumorigenesis.
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Assessment of tissue distribution and concentration of β-cryptoxanthin in response to varying amounts of dietary β-cryptoxanthin in the Mongolian gerbil. Br J Nutr 2013; 111:968-78. [DOI: 10.1017/s0007114513003371] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
There is a general lack of knowledge regarding the absorption and tissue storage of the provitamin A carotenoid β-cryptoxanthin. The present study investigated the whole-body tissue distribution of β-cryptoxanthin in an appropriate small animal model, the Mongolian gerbil (Meriones unguiculatus), for human provitamin A carotenoid metabolism. After 5 d of carotenoid depletion, five gerbils were euthanised for baseline measurements. The remaining gerbils were placed in three weight-matched treatment groups (n 8). All the groups received 20 μg/d of β-cryptoxanthin from tangerine concentrate, while the second and third groups received an additional 20 and 40 μg/d of pure β-cryptoxanthin (CX40 and CX60), respectively, for 21 d. During the last 2 d of the study, urine and faecal samples of two gerbils from each treatment group were collected. β-Cryptoxanthin was detected in the whole blood, and in twelve of the fourteen tissues analysed. Most tissues resembled the liver, in which the concentrations of β-cryptoxanthin were significantly higher in the CX60 (17·8 (sem 0·7) μg/organ; P= 0·004) and CX40 (16·2 (sem 0·9) μg/organ; P= 0·006) groups than in the CX20 group (13·3 (sem 0·4) μg/organ). However, in intestinal tissues, the concentrations of β-cryptoxanthin increased only in the CX60 group. Despite elevated vitamin A concentrations in tissues at baseline due to pre-study diets containing high levels of vitamin A, β-cryptoxanthin maintained those vitamin A stores. These results indicate that β-cryptoxanthin is stored in many tissues, potentially suggesting that its functions are widespread.
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Yang D, Zhang W, Song L, Guo F. Andrographolide protects against cigarette smoke-induced lung inflammation through activation of heme oxygenase-1. J Biochem Mol Toxicol 2013; 27:259-65. [PMID: 23629921 DOI: 10.1002/jbt.21483] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Revised: 02/23/2013] [Accepted: 03/13/2013] [Indexed: 12/27/2022]
Abstract
This study was conducted to check whether andrographolide, a bioactive molecule isolated from Andrographis paniculata, could protect against cigarette smoke (CS)-induced lung injury through activation of heme oxygenase-1 (HO-1). Pretreatment with andrographolide (1 mg/kg body weight) markedly attenuated lung inflammation in CS-exposed mice, coupled with reduced numbers of total cells, neutrophils, and macrophages in bronchial alveolar lavage fluid (BALF) and decreased production of cytokine/chemokine into BALF. Furthermore, andrographolide pretreatment increased the expression and activation of HO-1 in the lung of CS-exposed animals. Notably, these histological and biochemical changes induced by andrographolide were blocked by prior administration of zinc protoporphyrin IX (ZnPP; 20 mg/kg body weight), a potent heme oxygenase inhibitor. Moreover, andrographolide-induced phosphorylation of signal transducer and activator of transcription 3 (STAT3) was attenuated by ZnPP treatment in CS-exposed animals. Our data collectively demonstrate that andrographolide confers protection against CS-induced lung inflammation, partially through activation of HO-1 and STAT3.
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Affiliation(s)
- Dongbin Yang
- Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
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Radical scavenging activity-based and AP-1-targeted anti-inflammatory effects of lutein in macrophage-like and skin keratinocytic cells. Mediators Inflamm 2013; 2013:787042. [PMID: 23533312 PMCID: PMC3606807 DOI: 10.1155/2013/787042] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Accepted: 01/10/2013] [Indexed: 01/08/2023] Open
Abstract
Lutein is a naturally occurring carotenoid with antioxidative, antitumorigenic, antiangiogenic, photoprotective, hepatoprotective, and neuroprotective properties. Although the anti-inflammatory effects of lutein have previously been described, the mechanism of its anti-inflammatory action has not been fully elucidated. Therefore, in the present study, we aimed to investigate the regulatory activity of lutein in the inflammatory responses of skin-derived keratinocytes or macrophages and to elucidate the mechanism of its inhibitory action. Lutein significantly reduced several skin inflammatory responses, including increased expression of interleukin-(IL-) 6 from LPS-treated macrophages, upregulation of cyclooxygenase-(COX-) 2 from interferon-γ/tumor necrosis-factor-(TNF-) α-treated HaCaT cells, and the enhancement of matrix-metallopeptidase-(MMP-) 9 level in UV-irradiated keratinocytes. By evaluating the intracellular signaling pathway and the nuclear transcription factor levels, we determined that lutein inhibited the activation of redox-sensitive AP-1 pathway by suppressing the activation of p38 and c-Jun-N-terminal kinase (JNK). Evaluation of the radical and ROS scavenging activities further revealed that lutein was able to act as a strong anti-oxidant. Taken together, our findings strongly suggest that lutein-mediated AP-1 suppression and anti-inflammatory activity are the result of its strong antioxidative and p38/JNK inhibitory activities. These findings can be applied for the preparation of anti-inflammatory and cosmetic remedies for inflammatory diseases of the skin.
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Iskandar AR, Liu C, Smith DE, Hu KQ, Choi SW, Ausman LM, Wang XD. β-cryptoxanthin restores nicotine-reduced lung SIRT1 to normal levels and inhibits nicotine-promoted lung tumorigenesis and emphysema in A/J mice. Cancer Prev Res (Phila) 2012; 6:309-20. [PMID: 23275008 DOI: 10.1158/1940-6207.capr-12-0368] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Nicotine, a large constituent of cigarette smoke, is associated with an increased risk of lung cancer, but the data supporting this relationship are inconsistent. Here, we found that nicotine treatment not only induced emphysema but also increased both lung tumor multiplicity and volume in 4-nitrosamino-1-(3-pyridyl)-1-butanone (NNK)-initiated lung cancer in A/J mice. This tumor-promoting effect of nicotine was accompanied by significant reductions in survival probability and lung Sirtuin 1 (SIRT1) expression, which has been proposed as a tumor suppressor. The decreased level of SIRT1 was associated with increased levels of AKT phosphorylation and interleukin (il)-6 mRNA but decreased tumor suppressor p53 and retinoic acid receptor (RAR)-β mRNA levels in the lungs. Using this mouse model, we then determined whether β-cryptoxanthin (BCX), a xanthophyll that is strongly associated with a reduced risk of lung cancer in several cohort studies, can inhibit nicotine-induced emphysema and lung tumorigenesis. We found that BCX supplementation at two different doses was associated with reductions of the nicotine-promoted lung tumor multiplicity and volume, as well as emphysema in mice treated with both NNK and nicotine. Moreover, BCX supplementation restored the nicotine-suppressed expression of lung SIRT1, p53, and RAR-β to that of the control group, increased survival probability, and decreased the levels of lung il-6 mRNA and phosphorylation of AKT. The present study indicates that BCX is a preventive agent against emphysema and lung cancer with SIRT1 as a potential target. In addition, our study establishes a relevant animal lung cancer model for studying tumor growth within emphysematous microenvironments.
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Affiliation(s)
- Anita R Iskandar
- Nutrition and Cancer Biology Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
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Shimoda H, Shan SJ, Tanaka J, Maoka T. β-Cryptoxanthin suppresses UVB-induced melanogenesis in mouse: involvement of the inhibition of prostaglandin E2 and melanocyte-stimulating hormone pathways. J Pharm Pharmacol 2012; 64:1165-76. [DOI: 10.1111/j.2042-7158.2012.01495.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Abstract
Objective
β-cryptoxanthin (β-CPX) is a carotenoid that is widely contained in the fruits of citrus plants. We evaluated the effect of β-CPX on UVB-induced pigmentation and mRNA expression related to melanogenesis in mouse skin. In addition, changes in melanogenic molecules were evaluated in cultured melanocytes stimulated with prostaglandin (PG) E2, melanocyte-stimulating hormone (MSH) and endothelin (ET)-1.
Methods
Mice were irradiated with UVB and were given β-CPX (0.1, 1 and 10 mg/kg) orally for 14 days. Pigmentation was evaluated by skin colour change and microscopic observation. Total RNA was obtained from the skin and the expression of melanogenic mRNA was evaluated by RT-PCR. In cell culture studies, human melanocytes were cultured with β-CPX and melanogenic stimulants (PGE2, MSH and ET-1) for 6–10 days. Melanin contents, dendricity, melanogenic mRNA and phosphorylation of cyclic AMP response element-binding protein (CREB) were evaluated.
Key findings
β-CPX (10 mg/kg) significantly suppressed skin pigmentation and mRNA expression of cyclooxygenase-2, ET-1 receptors, low-affinity neurotrophin receptor, PGE2 receptor (EP1), melanocortin 1 receptor (MC1R), tyrosinase (Tyr), tyrosinase-related protein (Tyrp) 1 and microphthalmia transcription factor. β-CPX (10 µg/ml) suppressed melanogenesis induced by PGE2, MSH and ET-1. In the PGE2-stimulated melanocytes, mRNA expressions of EP-1, Tyr and Tyrp1 and phosphorylation of CREB protein were suppressed. In the ET-1-stimulated cells, only expression of CREB protein was suppressed. In the MSH-induced cells, mRNA expression of MC1R and Tyrp1 and protein expression of CREB were suppressed.
Conclusion
Oral administration of β-CPX was found to suppress UVB-induced melanogenesis. Suppression of melanogenic enzymes, receptors of melanogenic stimulators, expression and phosphorylation of CREB are thought to be involved in the mechanism.
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Affiliation(s)
- Hiroshi Shimoda
- Research & Development Division, Oryza Oil & Fat Chemical Co., Ltd, Ichinomiya, Aichi, Japan
| | - Shao-Jie Shan
- Research & Development Division, Oryza Oil & Fat Chemical Co., Ltd, Ichinomiya, Aichi, Japan
| | - Junji Tanaka
- Research & Development Division, Oryza Oil & Fat Chemical Co., Ltd, Ichinomiya, Aichi, Japan
| | - Takashi Maoka
- Research Institute for Production Development, Sakyo-ku, Kyoto, Japan
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Azqueta A, Collins AR. Carotenoids and DNA damage. Mutat Res 2012; 733:4-13. [PMID: 22465157 DOI: 10.1016/j.mrfmmm.2012.03.005] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2011] [Revised: 03/12/2012] [Accepted: 03/13/2012] [Indexed: 12/22/2022]
Abstract
Carotenoids are among the best known antioxidant phytochemicals, and are widely believed to contribute to the health-promoting properties of fruits and vegetables. Investigations of the effects of carotenoids have been carried out at different levels: in cultured cells, in experimental animals, and in humans. Studying reports from the last 5 years, we find a clear distinction between effects of vitamin A and pro-vitamin A carotenoids (the carotenes and β-cryptoxanthin), and effects of non-vitamin A carotenoids (lycopene, lutein, astaxanthin and zeaxanthin). Whereas the latter group are almost invariably reported to protect against DNA damage, whether endogenous or induced by exogenous agents, the provitamin A carotenoids show a more varied spectrum of effects, sometimes protecting and sometimes enhancing DNA damage. The tendency to exacerbate damage is seen mainly at high concentrations, and might be accounted for by pro-oxidant actions of these carotenoids.
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Affiliation(s)
- Amaya Azqueta
- Department of Nutrition, Food Science and Toxicology, Schools of Pharmacy and Sciences, University of Navarra, Irunlarrea 1, 31008 Pamplona, Spain
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Rafacho BPM, Santos P, Assalin HB, Ardisson LP, Roscani MG, Polegato BF, Chiuso-Minicucci F, Fernandes AAH, Azevedo PS, Minicucci MF, Zornoff LAM, Paiva S. Role of vitamin D in the cardiac remodeling induced by tobacco smoke exposure. Int J Cardiol 2012; 155:472-3. [PMID: 22257686 DOI: 10.1016/j.ijcard.2011.12.078] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2011] [Accepted: 12/21/2011] [Indexed: 12/25/2022]
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Animal models in carotenoids research and lung cancer prevention. Transl Oncol 2011; 4:271-81. [PMID: 21966544 DOI: 10.1593/tlo.11184] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2011] [Revised: 06/21/2011] [Accepted: 06/22/2011] [Indexed: 02/07/2023] Open
Abstract
Numerous epidemiological studies have consistently demonstrated that individuals who eat more fruits and vegetables (which are rich in carotenoids) and who have higher serum β-carotene levels have a lower risk of cancer, especially lung cancer. However, two human intervention trials conducted in Finland and in the United States have reported contrasting results with high doses of β-carotene supplementation increasing the risk of lung cancer among smokers. The failure of these trials to demonstrate actual efficacy has resulted in the initiation of animal studies to reproduce the findings of these two studies and to elucidate the mechanisms responsible for the harmful or protective effects of carotenoids in lung carcinogenesis. Although these studies have been limited by a lack of animal models that appropriately represent human lung cancer induced by cigarette smoke, ferrets and A/J mice are currently the most widely used models for these types of studies. There are several proposed mechanisms for the protective effects of carotenoids on cigarette smoke-induced lung carcinogenesis, and these include antioxidant/prooxidant effects, modulation of retinoic acid signaling pathway and metabolism, induction of cytochrome P450, and molecular signaling involved in cell proliferation and/or apoptosis. The technical challenges associated with animal models include strain-specific and diet-specific effects, differences in the absorption and distribution of carotenoids, and differences in the interactions of carotenoids with other antioxidants. Despite the problems associated with extrapolating from animal models to humans, the understanding and development of various animal models may provide useful information regarding the protective effects of carotenoids against lung carcinogenesis.
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