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Sulforaphane

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https://www.readbyqxmd.com/read/28730528/sulforaphane-promotes-mitochondrial-protection-in-sh-sy5y-cells-exposed-to-hydrogen-peroxide-by-an-nrf2-dependent-mechanism
#1
Marcos Roberto de Oliveira, Flávia de Bittencourt Brasil, Cristina Ribas Fürstenau
Sulforaphane (SFN; C6H11NOS2) is an isothiocyanate found in cruciferous vegetables, such as broccoli, kale, and radish. SFN exhibits antioxidant, anti-apoptotic, anti-tumor, and anti-inflammatory activities in different cell types. However, it was not previously demonstrated whether and how this natural compound would exert mitochondrial protection experimentally. Therefore, we investigated here the effects of a pretreatment (for 30 min) with SFN at 5 μM on mitochondria obtained from human neuroblastoma SH-SY5Y cells exposed to hydrogen peroxide (H2O2) at 300 μM for 24 h...
July 20, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28710020/nrf2-deficiency-exacerbates-ochratoxin-a-induced-toxicity-in-vitro-and-in-vivo
#2
Agnieszka Loboda, Anna Stachurska, Mateusz Sobczak, Paulina Podkalicka, Olga Mucha, Alicja Jozkowicz, Jozef Dulak
Several mechanisms are postulated to be responsible for nephrotoxic and nephrocarcinogenic activities of mycotoxin and food contaminant, ochratoxin A (OTA). Although Nrf2 transcription factor was suggested to be involved in OTA-mediated renal injury, comprehensive study evaluating the effect of OTA toxicity in Nrf2 knock-out mice with special regard to sex-dependency has not been performed yet. Our results clearly show exacerbated OTA toxicity in porcine tubular epithelial cells after shRNA-mediated Nrf2 inhibition as well as in proximal tubular cells isolated from Nrf2(-/-)male mice in comparison to cells derived from their wild-type counterparts...
July 11, 2017: Toxicology
https://www.readbyqxmd.com/read/28700700/the-induction-of-the-transcription-factor-nrf2-enhances-the-antinociceptive-effects-of-delta-opioid-receptors-in-diabetic-mice
#3
Christina McDonnell, Sergi Leánez, Olga Pol
The involvement of heme oxygenase 1 (HO-1) in the modulation of the antinociceptive effects of opioids in type 1 diabetes has been demonstrated but the role played by the transcription factor Nrf2 in the regulation of painful neuropathy and in the effects and expression of δ-opioid receptors (DOR) in type 2 diabetes, has not been studied. In male BKS.Cg-m+/+Leprdb/J (db/db) mice, the anti-allodynic effects produced by a Nrf2 transcription factor activator, sulforaphane (SFN) administered alone and combined with two DOR agonists, [d-Pen(2),d-Pen(5)]-Enkephalin (DPDPE) and (+)-4-[(αR)-α-((2S,5R)-4-Allyl-2,5-dimethyl-1-piperazinyl)-3-methoxybenzyl]-N,N diethylbenzamide (SNC-80), were evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28700650/sulforaphane-enhances-irradiation-effects-in-terms-of-perturbed-cell-cycle-progression-and-increased-dna-damage-in-pancreatic-cancer-cells
#4
Patrick Naumann, Jakob Liermann, Franco Fortunato, Thomas E Schmid, Klaus-Josef Weber, Jürgen Debus, Stephanie E Combs
BACKGROUND: Sulforaphane (SFN), an herbal isothiocyanate enriched in cruciferous vegetables like broccoli and cauliflower, has gained popularity for its antitumor effects in cell lines such as pancreatic cancer. Antiproliferative as well as radiosensitizing properties were reported for head and neck cancer but little is known about its effects in pancreatic cancer cells in combination with irradiation (RT). METHODS: In four established pancreatic cancer cell lines we investigated clonogenic survival, analyzed cell cycle distribution and compared DNA damage via flow cytometry and western blot after treatment with SFN and RT...
2017: PloS One
https://www.readbyqxmd.com/read/28694655/antioxidant-dietary-approach-in-treatment-of-fatty-liver-new-insights-and-updates
#5
REVIEW
Alessandra Ferramosca, Mariangela Di Giacomo, Vincenzo Zara
Non-alcoholic fatty liver disease (NAFLD) is a common clinicopathological condition, encompassing a range of conditions caused by lipid deposition within liver cells. To date, no approved drugs are available for the treatment of NAFLD, despite the fact that it represents a serious and growing clinical problem in the Western world. Identification of the molecular mechanisms leading to NAFLD-related fat accumulation, mitochondrial dysfunction and oxidative balance impairment facilitates the development of specific interventions aimed at preventing the progression of hepatic steatosis...
June 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28690874/sulforaphane-cysteine-induced-apoptosis-via-phosphorylated-erk1-2-mediated-maspin-pathway-in-human-non-small-cell-lung-cancer-cells
#6
Kai Lin, Ronghui Yang, Zhongnan Zheng, Yan Zhou, Yang Geng, Yabin Hu, Sai Wu, Wei Wu
Sulforaphane (SFN) was demonstrated to induce apoptosis in a variety of cancers via multiple mechanisms. However, owing to a short half-life in circulation, SFN was not used for clinical treatment yet. Interestingly, SFN analog, sulforaphane-cysteine (SFN-Cys) has a longer half-life in metabolism, and we previously demonstrated that SFN-Cys inhibited invasion in human prostate cancer cells. Here, we would investigate whether SFN-Cys induces apoptosis and find the underlying mechanisms in human non-small cell lung cancer (NSCLC) cells...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28688915/targeted-proteome-analysis-with-isotope-coded-protein-labels-for-monitoring-the-influence-of-dietary-phytochemicals-on-the-expression-of-cytoprotective-proteins-in-primary-human-colon-cells
#7
Christiane Östreicher, Sven Bartenbacher, Monika Pischetsrieder
Cytoprotective effects by upregulating cellular expression levels of antioxidant proteins are attributed to a significant number of food ingredients. Evaluation of those cytoprotective effects and identification of the most active components requires reliable and comprehensive proteomic strategies. Thus, promising potential bioactive ingredients could be determined for the prevention of various diseases, including colon cancer formation. We established a multiplexed nanoLC-MS/MS targeted proteomic method, operated in scheduled selected reaction monitoring mode (sSRM), to record modulation of the expression levels of six major antioxidant proteins induced by dietary phytochemicals...
July 6, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28677733/sulforaphane-inhibits-the-interferon-%C3%AE-induced-expression-of-mig-ip-10-and-i-tac-in-ins%C3%A2-1-pancreatic-%C3%AE-cells-through-the-downregulation-of-irf-1-stat-1-and-pkb
#8
Yu-Kyoung Park, Mahesh Ramalingam, Shin Kim, Byeong-Churl Jang, Jong Wook Park
Sulforaphane (SFN) is a dietary isothiocyanate abundantly available in cruciferous vegetables and has been shown to possess anti-inflammatory and immunomodulatory activities. Chemokines are important mediators of inflammation and immune responses due to their ability to recruit and activate macrophages and leukocytes. To date, little is known about the SFN-mediated regulation of chemokine expression in pancreatic β-cells. In this study, we investigated the inhibitory effects and mechanisms of SFN on the interferon-γ (IFN-γ)-induced expression of a subset of chemokines, including monokine induced by IFN-γ (MIG), IFN-inducible protein of 10 kDa (IP-10) and IFN-inducible T‑cell alpha chemoattractant (I-TAC), in INS‑1 cells, a rat pancreatic β-cell line...
July 3, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28666020/modulating-glioma-mediated-myeloid-derived-suppressor-cell-development-with-sulforaphane
#9
Ravi Kumar, Tristan de Mooij, Timothy E Peterson, Tatiana Kaptzan, Aaron J Johnson, David J Daniels, Ian F Parney
Glioblastoma is the most common primary tumor of the brain and has few long-term survivors. The local and systemic immunosuppressive environment created by glioblastoma allows it to evade immunosurveillance. Myeloid-derived suppressor cells (MDSCs) are a critical component of this immunosuppression. Understanding mechanisms of MDSC formation and function are key to developing effective immunotherapies. In this study, we developed a novel model to reliably generate human MDSCs from healthy-donor CD14+ monocytes by culture in human glioma-conditioned media...
2017: PloS One
https://www.readbyqxmd.com/read/28636290/sulforaphane-protection-against-the-development-of-doxorubicin-induced-chronic-heart-failure-is-associated-with-nrf2-upregulation
#10
Yang Bai, Qiang Chen, Yun-Peng Sun, Xuan Wang, Li Lv, Li-Ping Zhang, Jin-Sha Liu, Song Zhao, Xiao-Lu Wang
Doxorubicin (DOX) is an anthracycline anti-tumor drug. However, its clinical use is limited by dose-dependent cardiotoxicity, and even progresses to chronic heart failure (CHF). OBJECTIVE: This study aims to investigate whether the Nrf2 activator, sulforaphane (SFN), can prevent DOX-induced CHF. METHODS: Male Sprague Dawley rats who received treatment for six weeks were divided into four groups (n=30 per group): control, SFN, DOX, and DOX plus SFN group. RESULTS: Results revealed that DOX induced progressive cardiac damage as indicated by increased cardiac injury markers, cardiac inflammation, fibrosis and oxidative stress...
June 21, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28627624/pro-oxidant-activity-of-sulforaphane-and-cisplatin-potentiates-apoptosis-and-simultaneously-promotes-autophagy-in-malignant-mesothelioma-cells
#11
Yoon-Jin Lee, Sang-Han Lee
Sulforaphane (SFN) is an isothiocyanate compound derived from glucoraphanin, which is found in cruciferous vegetables, and has been heralded as a chemopreventive and/or chemotherapeutic agent. The present study investigated the effects of SFN on enhancing the anticancer role of cisplatin (cis-dichlorodiammineplatinum; CDDP) in H‑28 malignant mesothelioma cells. At concentrations demonstrating limited toxicity in MeT‑5A normal human mesothelial cells, combination treatment with the two compounds exhibited synergistic growth‑inhibiting and apoptosis‑promoting activities, as demonstrated by a series of proapoptotic events, including reactive oxygen species accumulation, loss of mitochondrial membrane potential, upregulation of p53 expression, increased B‑cell lymphoma 2 (Bcl‑2) associated X protein/Bcl‑2 ratio, activation of caspase‑3, the occurrence of a sub‑G0/G1 peak and an increase in cells with pyknotic and fragmented nuclei, Annexin V‑phycoerythrin‑positive staining and G2/M phase‑transition delay in the cell cycle...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28615356/sulforaphane-reduces-hepatic-glucose-production-and-improves-glucose-control-in-patients-with-type-2-diabetes
#12
Annika S Axelsson, Emily Tubbs, Brig Mecham, Shaji Chacko, Hannah A Nenonen, Yunzhao Tang, Jed W Fahey, Jonathan M J Derry, Claes B Wollheim, Nils Wierup, Morey W Haymond, Stephen H Friend, Hindrik Mulder, Anders H Rosengren
A potentially useful approach for drug discovery is to connect gene expression profiles of disease-affected tissues ("disease signatures") to drug signatures, but it remains to be shown whether it can be used to identify clinically relevant treatment options. We analyzed coexpression networks and genetic data to identify a disease signature for type 2 diabetes in liver tissue. By interrogating a library of 3800 drug signatures, we identified sulforaphane as a compound that may reverse the disease signature...
June 14, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28611391/isothiocyanates-are-detected-in-human-synovial-fluid-following-broccoli-consumption-and-can-affect-the-tissues-of-the-knee-joint
#13
Rose Davidson, Sarah Gardner, Orla Jupp, Angela Bullough, Sue Butters, Laura Watts, Simon Donell, Maria Traka, Shikha Saha, Richard Mithen, Mandy Peffers, Peter Clegg, Yongping Bao, Aedin Cassidy, Ian Clark
Osteoarthritis is a major cause of disability and there is no current pharmaceutical treatment which can prevent the disease or slow its progression. Dietary advice or supplementation is clearly an attractive option since it has low toxicity and ease of implementation on a population level. We have previously demonstrated that sulforaphane, a dietary isothiocyanate derived from its glucosinolate precursor which is found in broccoli, can prevent cartilage destruction in cells, in in vitro and in vivo models of osteoarthritis...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28607561/the-transcription-factor-nrf2-protects-angiogenic-capacity-of-endothelial-colony-forming-cells-in-high-oxygen-radical-stress-conditions
#14
Hendrik Gremmels, Olivier G de Jong, Diënty H Hazenbrink, Joost O Fledderus, Marianne C Verhaar
BACKGROUND: Endothelial colony forming cells (ECFCs) have shown a promise in tissue engineering of vascular constructs, where they act as endothelial progenitor cells. After implantation, ECFCs are likely to be subjected to elevated reactive oxygen species (ROS). The transcription factor Nrf2 regulates the expression of antioxidant enzymes in response to ROS. METHODS: Stable knockdown of Nrf2 and Keap1 was achieved by transduction with lentiviral shRNAs; activation of Nrf2 was induced by incubation with sulforaphane (SFN)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28599444/sulforaphane-sensitizes-human-breast-cancer-cells-to-paclitaxel-induced-apoptosis-by-downregulating-the-nf-%C3%AE%C2%BAb-signaling-pathway
#15
Seung-Hyun Kim, Hyun-Jung Park, Dong-Oh Moon
Sulforaphane (SFN), an isothiocyanate present in cruciferous vegetables, has been demonstrated to inhibit the growth of various types of cancer cell. The aim of the present study was to investigate whether SFN sensitizes breast cancer cells to paclitaxel-induced apoptosis and to identify the signal pathway through which SFN mediates apoptosis. Combined treatment of breast cancer cells with SFN and paclitaxel resulted in increased activation of apoptotic signaling pathway members, including caspase-3, -8 and -9, and cytochrome c, compared with treatment with SFN or paclitaxel alone...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28596014/designing-food-structure-and-composition-to-enhance-nutraceutical-bioactivity-to-support-cancer-inhibition
#16
REVIEW
David Julian McClements, Hang Xiao
Many types of bioactive molecules found in foods ("nutraceuticals") have been shown to exert anticancer activities, including curcumin, resveratrol, polyphenols, sulforaphane, anthocyanins, genistein, quercetin and lycopene. The potential health benefits of nutraceuticals are often not realized because of their poor water solubility, chemical instability, adverse taste profile, and low oral bioavailability. Carefully designed food matrices are being developed to overcome these problems. Nutraceuticals can be isolated from their natural environment, and then incorporated into functional foods, often with the help of delivery systems (such as emulsions, nanoemulsions, liposomes, biopolymer nanoparticles, and microgels)...
June 5, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28587109/identification-of-non-electrophilic-nrf2-activators-from-approved-drugs
#17
Qing-Ye Zhang, Xin-Yi Chu, Ling-Han Jiang, Meng-Yuan Liu, Zhi-Ling Mei, Hong-Yu Zhang
Oxidative damage can lead to a wide range of diseases. Nrf2 is an important transcription factor that regulates many of the cytoprotective enzymes involved in the oxidative stress response. Therefore, targeting the regulation of Nrf2 activation is one logical and effective strategy to prevent or lower the risk of oxidative stress-related diseases. Until now, most research has focused on electrophilic indirect Nrf2 activators, but the risk of 'off-target' effects may be associated with these activators. To find novel small non-electrophilic modulators of Nrf2, we started from chemical agents derived from a connectivity map (cMap) and identified 22 non-electrophilic potential Nrf2-activating drugs through a drug repositioning tactic...
May 26, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28586068/sulforaphane-increases-nrf2-expression-and-protects-alveolar-epithelial-cells-against-injury-caused-by-cigarette-smoke-extract
#18
Zongxian Jiao, Jiachen Chang, Jing Li, Dengmei Nie, Huijuan Cui, Dongfang Guo
Cigarette smoking is a primary risk factor for chronic obstructive pulmonary disease (COPD), as it damages epithelial cells through a variety of mechanisms. Sulforaphane (SFN) is an antioxidant agent, which exerts protective effects against cell damage by activating the nuclear factor erythroid 2 like 2 (NFE2L2; Nrf2). The present study was undertaken to investigate the effects and underlying mechanisms of SFN in preventing cigarette smoke extract (CSE)‑induced oxidative damage to RLE‑6TN rat lung epithelial cells...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28583601/concentration-dependent-antioxidative-and-apoptotic-effects-of-sulforaphane-on-bovine-granulosa-cells-in%C3%A2-vitro
#19
Md Mahmodul Hasan Sohel, Yusuf Konca, Bilal Akyuz, Korhan Arslan, Serpil Sariozkan, Mehmet Ulas Cinar
Sulforaphane (SFN) has received a great deal of research attention because of its ability to induce the production of a battery of antioxidant enzymes in certain concentrations through the activation of the Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) signaling pathway, which may effectively neutralize reactive oxygen species (ROS) induced oxidative stress. This study was conducted to investigate the potential of different concentrations of SFN in inducing antioxidative and apoptotic effects in granulosa cells (GCs)...
July 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28575153/targeting-oxidative-stress-improves-disease-outcomes-in-a-rat-model-of-acquired-epilepsy
#20
Alberto Pauletti, Gaetano Terrone, Tawfeeq Shekh-Ahmad, Alessia Salamone, Teresa Ravizza, Massimo Rizzi, Anna Pastore, Rosaria Pascente, Li-Ping Liang, Bianca R Villa, Silvia Balosso, Andrey Y Abramov, Erwin A van Vliet, Ennio Del Giudice, Eleonora Aronica, Daniel J Antoine, Manisha Patel, Matthew C Walker, Annamaria Vezzani
Epilepsy therapy is based on antiseizure drugs that treat the symptom, seizures, rather than the disease and are ineffective in up to 30% of patients. There are no treatments for modifying the disease-preventing seizure onset, reducing severity or improving prognosis. Among the potential molecular targets for attaining these unmet therapeutic needs, we focused on oxidative stress since it is a pathophysiological process commonly occurring in experimental epileptogenesis and observed in human epilepsy. Using a rat model of acquired epilepsy induced by electrical status epilepticus, we show that oxidative stress occurs in both neurons and astrocytes during epileptogenesis, as assessed by measuring biochemical and histological markers...
May 30, 2017: Brain: a Journal of Neurology
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