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Sulforaphane

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https://www.readbyqxmd.com/read/28938194/sulforaphane-mitigates-cadmium-induced-toxicity-pattern-in-human-peripheral-blood-lymphocytes-and-monocytes
#1
Nouf Abdulkareem Omer Alkharashi, Vaiyapuri Subbarayan Periasamy, Jegan Athinarayanan, Ali A Alshatwi
Cadmium (Cd) is a highly toxic and widely distributed heavy metal that induces various diseases in humans through environmental exposure. Therefore, alleviation of Cd-induced toxicity in living organisms is necessary. In this study, we investigated the protective role of sulforaphane on Cd-induced toxicity in human peripheral blood lymphocytes and monocytes. Sulforaphane did not show any major reduction in the viability of lymphocytes and monocytes. However, Cd treatment at a concentration of 50μM induced around 69% cell death...
August 31, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28937835/protective-effect-of-sulforaphane-against-retinal-degeneration-in-the-pde6-rd10-mouse-model-of-retinitis-pigmentosa
#2
Kai Kang, Minzhong Yu
PURPOSE: Retinitis pigmentosa (RP) is a group of inherited diseases characterized by the death of rod photoreceptors, followed by the death of cone photoreceptors, progressively leading to partial or complete blindness. Currently no specific treatment is available for RP patients. Sulforaphane (SFN) has been confirmed to be an effective antioxidant in the treatment of many diseases. In this study, we tested the therapeutic effects of SFN against photoreceptor degeneration in Pde6b(rd10) mice...
September 22, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28923347/sulforaphane-improves-disrupted-er-mitochondria-interactions-and-suppresses-exaggerated-hepatic-glucose-production
#3
Emily Tubbs, Annika S Axelsson, Guillaume Vial, Claes B Wollheim, Jennifer Reuisset, Anders H Rosengren
AIMS: Exaggerated hepatic glucose production is one of the hallmarks of type 2 diabetes. Sulforaphane (SFN) has been suggested as a new potential anti-diabetic compound. However, the effects of SFN in hepatocytes are yet unclear. Accumulating evidence points to the close structural contacts between the ER and mitochondria, known as mitochondria-associated ER membranes (MAMs), as important hubs for hepatic metabolism. We wanted to investigate whether SFN could affect hepatic glucose production and MAMs...
September 16, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28912888/sulforaphane-induced-cell-cycle-arrest-and-senescence-are-accompanied-by-dna-hypomethylation-and-changes-in-microrna-profile-in-breast-cancer-cells
#4
Anna Lewinska, Jagoda Adamczyk-Grochala, Anna Deregowska, Maciej Wnuk
Cancer cells are characterized by genetic and epigenetic alterations and phytochemicals, epigenetic modulators, are considered as promising candidates for epigenetic therapy of cancer. In the present study, we have investigated cancer cell fates upon stimulation of breast cancer cells (MCF-7, MDA-MB-231, SK-BR-3) with low doses of sulforaphane (SFN), an isothiocyanate. SFN (5-10 µM) promoted cell cycle arrest, elevation in the levels of p21 and p27 and cellular senescence, whereas at the concentration of 20 µM, apoptosis was induced...
2017: Theranostics
https://www.readbyqxmd.com/read/28901514/multimodal-actions-of-the-phytochemical-sulforaphane-suppress-both-ar-and-ar-v7-in-22rv1-cells-advocating-a-potent-pharmaceutical-combination-against-castration-resistant-prostate-cancer
#5
Namrata Khurana, Hogyoung Kim, Partha K Chandra, Sudha Talwar, Pankaj Sharma, Asim B Abdel-Mageed, Suresh C Sikka, Debasis Mondal
Prostate cancer (PCa) cells expressing full-length androgen receptor (AR-FL) are susceptible to androgen deprivation therapy (ADT). However, outgrowth of castration-resistant prostate cancer (CRPC) can occur due to the expression of constitutively active (ligand-independent) AR splice variants, particularly AR-V7. We previously demonstrated that sulforaphane (SFN), an isothiocyanate phytochemical, can decrease AR-FL levels in the PCa cell lines, LNCaP and C4-2B. Here, we examined the efficacy of SFN in targeting both AR-FL and AR-V7 in the CRPC cell line, CWR22Rv1 (22Rv1)...
August 30, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28900483/sulforaphane-induced-apoptosis-via-promotion-of-mitochondrial-fusion-and-erk1-2-mediated-26s-proteasome-degradation-of-novel-pro-survival-bim-and-upregulation-of-bax-in-human-non-small-cell-lung-cancer-cells
#6
Yang Geng, Yan Zhou, Sai Wu, Yabin Hu, Kai Lin, Yalin Wang, Zhongnan Zheng, Wei Wu
Previous studies in our laboratory showed that sulforaphane (SFN) induced apoptosis by sustained activation of extracellular regulated protein kinases 1/2 (ERK1/2). However, the underlying mechanisms associated with SFN-induced apoptosis and downstream cascades which are modulated by ERK1/2 were not elucidated. Herein we demonstrated for the first time that alteration of mitochondrial dynamics contributed to SFN-induced apoptosis in human non-small cell lung cancer (NSCLC) cells. Reports showed that protein Bim not only induced apoptosis but also promoted proliferation under certain circumstances...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28888052/mir-21-mediated-suppression-of-smad7-induces-tgf%C3%AE-1-and-can-be-inhibited-by-activation-of-nrf2-in-alcohol-treated-lung-fibroblasts
#7
Lucian T Marts, David E Green, Stephen T Mills, Tamara Murphy, Viranuj Sueblinvong
BACKGROUND: We previously demonstrated that chronic alcohol ingestion augments TGFβ1 expression in the lung fibroblast and increases the risk of fibroproliferative disrepair in a mouse model of acute lung injury. The effect of alcohol on TGFβ1 is mitigated by treatment with sulforaphane, which can activate nuclear factor (erythroid-derived 2)-like 2 (Nrf2). However, the mechanisms by which alcohol amplifies, or SFP attenuates, TGFβ1 expression in the fibroblast are not known. MicroRNA (miR)-21 has been shown to inhibit Smad7, a TGFβ1 signaling inhibitor...
September 9, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28885683/microwave-heating-modelling-of-a-green-smoothie-effects-on-glucoraphanin-sulforaphane-and-s-methyl-cysteine-sulphoxide-changes-during-storage
#8
Noelia Castillejo, Ginés Benito Martínez Hernández, Antonio José Lozano Guerrero, Juan Luis Pedreño Molina, Perla A Gómez, Encarna Aguayo, Francisco Artés, Francisco Artés Hernández
BACKGROUND: The heating of a green smoothie during an innovative semi-continuous microwave treatment (MW; 9 kW for 15 s) was modelled. Thermal and dielectric properties of the samples were previously determined. Furthermore, the heating effect on the main chemopreventive compounds of the smoothie and during its subsequent storage up to 30 days at 5 or 15 °C were studied. Such results were compared to conventional pasteurization (CP; 90 °C for 45 s) while unheated fresh blended samples were used as control (CTRL)...
September 8, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28873713/bioavailability-and-new-biomarkers-of-cruciferous-sprouts-consumption
#9
Nieves Baenas, Clara Suárez-Martínez, Cristina García-Viguera, Diego A Moreno
The evaluation of the bioavailability of bioactive compounds from cruciferous foods is one challenge in the design of clinical trials for studying their functionality. Currently, studies of bioavailability are mainly based of the analysis of total isothiocyanates and indoles, and sulforaphane metabolites after broccoli consumption. However, as far as we are aware, there are not any biomarkers studied or established for the intake of radish sprouts. In this work, a 7-days-cross-over study with fourteen women was undertaken to compare the bioavailability of glucosinolates from broccoli and radish sprouts...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28872903/in-vitro-biological-effects-of-sulforaphane-sfn-epigallocatechin-3-gallate-egcg-and-curcumin-on-breast-cancer-cells-a-systematic-review-of-the-literature
#10
Vincenza Gianfredi, Daniele Nucci, Samuele Vannini, Milena Villarini, Massimo Moretti
Much of the recent research in neoplasia has been focusing on the epigenetics of cancer cells, particularly as regards the search for potential molecular biomarkers that could be used for early diagnosis, effective treatment, and prognosis of several types of cancer. Carcinogenesis often starts with mutations in oncogenes and tumor suppressor genes, and it leads to anomalies in cellular processes as vital as cell cycle regulation and apoptosis. Because malignant changes arise as a result of genetic as well as epigenetic mechanisms, one possible means of intervention involves reprogramming gene expression, so as to-at least in part-revert the molecular alterations...
September 5, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28871145/reversible-keap1-inhibitors-are-preferential-pharmacological-tools-to-modulate-cellular-mitophagy
#11
Nikolaos D Georgakopoulos, Michele Frison, Maria Soledad Alvarez, Hélène Bertrand, Geoff Wells, Michelangelo Campanella
Mitophagy orchestrates the autophagic degradation of dysfunctional mitochondria preventing their pathological accumulation and contributing to cellular homeostasis. We previously identified a novel chemical tool (hereafter referred to as PMI), which drives mitochondria into autophagy without collapsing their membrane potential (ΔΨm). PMI is an inhibitor of the protein-protein interaction (PPI) between the transcription factor Nrf2 and its negative regulator, Keap1 and is able to up-regulate the expression of autophagy-associated proteins, including p62/SQSTM1...
September 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28869285/microbiota-a-mediator-to-transform-glucosinolate-precursors-in-cruciferous-vegetables-to-the-active-isothiocyanates
#12
REVIEW
Sicong Tian, Peng Lei, Xiaodong Liu, Xiaohong Zhang, Yujuan Shan
Isothiocyanates (ITCs), such as sulforaphane (SFN), exhibit powerful biological functions in fighting cancers, and cardiovascular and neurodegenerative diseases. They normally exist as glucosinolates (GLSs) in cruciferous vegetables, which are not themselves bioactive until they are degraded by myrosinase to form the ITCs. Myrosinase co-exists in the same plants but is normally kept apart from GLSs in different apparatus. A key point is that myrosinase is temperature-sensitive and can be inactivated upon exposure to temperatures over 60°C, as typically occurs during cooking...
September 4, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28864908/antitumor-activity-and-expression-profiles-of-genes-induced-by-sulforaphane-in-human-melanoma-cells
#13
Paola Arcidiacono, Francesco Ragonese, Anna Stabile, Alessandra Pistilli, Ekaterina Kuligina, Mario Rende, Ugo Bottoni, Stefano Calvieri, Andrea Crisanti, Roberta Spaccapelo
PURPOSE: Human melanoma is a highly aggressive incurable cancer due to intrinsic cellular resistance to apoptosis, reprogramming, proliferation and survival during tumour progression. Sulforaphane (SFN), an isothiocyanate found in cruciferous vegetables, plays a role in carcinogenesis in many cancer types. However, the cytotoxic molecular mechanisms and gene expression profiles promoted by SFN in human melanoma remain unknown. METHODS: Three different cell lines were used: two human melanoma A375 and 501MEL and human epidermal melanocytes (HEMa)...
September 1, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28863281/aging-related-decline-in-the-induction-of-nrf2-regulated-antioxidant-genes-in-human-bronchial-epithelial-cells
#14
Lulu Zhou, Hongqiao Zhang, Kelvin J A Davies, Henry Jay Forman
Evidence from animal studies suggests that stress-induced increases in Nrf2-regulated antioxidant gene expression, a critical mechanism of cellular protection, declines with aging. This study examined whether this also occurs in humans. We measured the basal and inducible levels of Nrf2-regulated antioxidant genes in human bronchial epithelial (HBE) cells from subjects of young adult (21-29 years) and older (60-69 years) non-smokers, and explored factors affecting expresion. The basal expression of three representative Nrf2-regulated genes, the catalytic and modulator subunits of glutamate cysteine ligase (GCLC and GCLM, respectively), and NAD(P)H quinone oxidoreductase 1 (NQO1), was higher in cells from the older donors compared with cells from the young adult donors...
August 24, 2017: Redox Biology
https://www.readbyqxmd.com/read/28854561/sulforaphane-suppresses-prmt5-mep50-function-in-epidermal-squamous-cell-carcinoma-leading-to-reduced-tumor-formation
#15
Kamalika Saha, Matthew L Fisher, Gautam Adhikary, Daniel Grun, Richard L Eckert
Protein arginine methyltransferase 5 (PRMT5) cooperates with methylosome protein 50 (MEP50) to arginine methylate histone H3 and H4 to silence gene expression, and increased PRMT5 activity is associated with enhanced cancer cell survival. We have studied the role of PRMT5 and MEP50 in epidermal squamous cell carcinoma. We show that knockdown of PRMT5 or MEP50 results in reduced H4R3me2s formation, and reduced cell proliferation, invasion, migration and tumor formation. We further show that treatment with sulforaphane (SFN), a cancer preventive agent derived from cruciferous vegetables, reduces PRMT5 and MEP50 level and H4R3me2s formation, and this is associated with reduced cell proliferation, invasion and migration...
August 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28844077/erratum-to-the-role-of-sulforaphane-in-cancer-chemoprevention-and-health-benefits-a-mini-review
#16
Reza Bayat Mokhtari, Narges Baluch, Tina S Homayouni, Evgeniya Morgatskaya, Sushil Kumar, Parandis Kazemi, Herman Yeger
No abstract text is available yet for this article.
August 26, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28841784/regulation-of-microrna-using-promising-dietary-phytochemicals-possible-preventive-and-treatment-option-of-malignant-mesothelioma
#17
REVIEW
Md Abu Sayeed, Massimo Bracci, Guendalina Lucarini, Raffaella Lazzarini, Roberto Di Primio, Lory Santarelli
Malignant mesothelioma (MM) is a very aggressive, lethal cancer, and its incidence is increasing worldwide. Development of multi-drug resistance, therapy related side-effects, and disease recurrence after therapy are the major problems for the successful treatment of MM. Emerging evidence indicates that dietary phytochemicals can exert anti-cancer activities by regulating microRNA expression. Until now, only one dietary phytochemical (ursolic acid) has been reported to have MM microRNA regulatory ability. A large number of dietary phytochemicals still remain to be tested...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28839265/combinatorial-bioactive-botanicals-re-sensitize-tamoxifen-treatment-in-er-negative-breast-cancer-via-epigenetic-reactivation-of-er%C3%AE-expression
#18
Yuanyuan Li, Syed M Meeran, Trygve O Tollefsbol
Conventional cancer prevention has primarily focused on single chemopreventive compounds that may not be sufficiently efficacious. We sought to investigate potential combinatorial effects of epigenetic bioactive botanicals including epigallocatechin-3-gallate (EGCG) in green tea polyphenols (GTPs) and sulforaphane (SFN) in broccoli sprouts (BSp) on neutralizing epigenetic aberrations in estrogen receptor-α (ERα) leading to enhanced anti-hormone therapeutic efficacy in ERα-negative breast cancer. Our results showed that this combinatorial treatment re-sensitized ERα-dependent cellular inhibitory responses to an estrogen antagonist, tamoxifen (TAM), via at least in part, epigenetic reactivation of ERα expression in ERα-negative breast cancer cells...
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28830206/sulforaphane-reduces-hmgb1-mediated-septic-responses-and-improves-survival-rate-in-septic-mice
#19
In-Chul Lee, Dae Yong Kim, Jong-Sup Bae
Sulforaphane (SFN), a natural isothiocyanate present in cruciferous vegetables such as broccoli and cabbage, is effective in preventing carcinogenesis, diabetes, and inflammatory responses. Inhibition of high mobility group box 1 (HMGB1) and restoration of endothelial integrity is emerging as an attractive therapeutic strategy in the management of severe sepsis or septic shock. In this study, we examined the effects of SFN on HMGB1-mediated septic responses and survival rate in a mouse sepsis model. The anti-inflammatory activities of SFN were monitored based on its effects on lipopolysaccharide (LPS)- or cecal ligation and puncture (CLP)-mediated release of HMGB1...
August 22, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28825609/the-role-of-micrornas-in-the-chemopreventive-activity-of-sulforaphane-from-cruciferous-vegetables
#20
REVIEW
Christopher Dacosta, Yongping Bao
Colorectal cancer is an increasingly significant cause of mortality whose risk is linked to diet and inversely correlated with cruciferous vegetable consumption. This is likely to be partly attributable to the isothiocyanates derived from eating these vegetables, such as sulforaphane, which is extensively characterised for cytoprotective and tumour-suppressing activities. However, its bioactivities are likely to extend in complexity beyond those currently known; further insight into these bioactivities could aid the development of sulforaphane-based chemopreventive or chemotherapeutic strategies...
August 19, 2017: Nutrients
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