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Sulforaphane

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https://www.readbyqxmd.com/read/28534825/a-novel-combination-of-withaferin-a-and-sulforaphane-inhibits-epigenetic-machinery-cellular-viability-and-induces-apoptosis-of-breast-cancer-cells
#1
Kendra J Royston, Neha Udayakumar, Kayla Lewis, Trygve O Tollefsbol
With cancer often classified as a disease that has an important epigenetic component, natural compounds that have the ability to regulate the epigenome become ideal candidates for study. Humans have a complex diet, which illustrates the need to elucidate the mechanisms of interaction between these bioactive compounds in combination. The natural compounds withaferin A (WA), from the Indian winter cherry, and sulforaphane (SFN), from cruciferous vegetables, have numerous anti-cancer effects and some report their ability to regulate epigenetic processes...
May 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28527723/activation-of-nrf2-signaling-augments-vesicular-stomatitis-virus-oncolysis-via-autophagy-driven-suppression-of-antiviral-immunity
#2
David Olagnier, Rassin R Lababidi, Samar Bel Hadj, Alexandre Sze, Yiliu Liu, Sharadha Dayalan Naidu, Matteo Ferrari, Yuan Jiang, Cindy Chiang, Vladimir Beljanski, Marie-Line Goulet, Elena V Knatko, Albena T Dinkova-Kostova, John Hiscott, Rongtuan Lin
Oncolytic viruses (OVs) offer a promising therapeutic approach to treat multiple types of cancer. In this study, we show that the manipulation of the antioxidant network via transcription factor Nrf2 augments vesicular stomatitis virus Δ51 (VSVΔ51) replication and sensitizes cancer cells to viral oncolysis. Activation of Nrf2 signaling by the antioxidant compound sulforaphane (SFN) leads to enhanced VSVΔ51 spread in OV-resistant cancer cells and improves the therapeutic outcome in different murine syngeneic and xenograft tumor models...
May 17, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28524727/e-cadherin-%C3%AE-catenin-complex-a-target-for-anticancer-and-antimetastasis-plants-plant-derived-compounds
#3
Majid Tafrihi, Roohollah Nakhaei Sistani
Plants reputed to have cancer-inhibiting potential and putative active components derived from those plants have emerged as an exciting new field in cancer study. Some of these compounds have cancer-inhibiting potential in different clinical staging levels, especially metastasis. A few of them which stabilize cell-cell adhesions are controversial topics. This review article introduces some effective herbal compounds that target E-cadherin/β-catenin protein complex. In this article, at first, we briefly review the structure and function of E-cadherin and β-catenin proteins, Wnt signaling pathway, and its target genes...
May 19, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28515158/the-anti-psoriatic-drug-monomethylfumarate-increases-nuclear-factor-erythroid-2-related-factor-2-nrf2-levels-and-induces-aquaporin-3-aqp3-mrna-and-protein-expression
#4
Inas Helwa, Vivek Choudhary, Xunsheng Chen, Ismail Kaddour-Djebbar, Wendy B Bollag
BACKGROUND: Oxidative stress contributes to inflammatory skin diseases including psoriasis. Monomethylfumarate (MMF) is an anti-psoriatic agent with a poorly understood mechanism of action. In other cell types MMF increases the expression of nuclear factor erythroid-derived 2-like 2 (Nrf2), a transcription factor that regulates cellular anti-oxidant responses, to reduce oxidative stress like that observed in inflammatory disorders such as multiple sclerosis. OBJECTIVE: We tested the hypothesis that MMF enhances Nrf2 activity in keratinocytes, thereby improving their capacity to counteract environmental stresses...
May 17, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28513003/quantification-of-skin-erythema-response-to-topical-alcohol-in-alcohol-intolerant-east-asians
#5
Y Aoki, S L Wehage, P Talalay
BACKGROUND/PURPOSE: Severe alcohol intolerance characterized by flushing, headache, nausea, and tachycardia even after very modest oral alcohol consumption, is common among East Asians (Chinese, Japanese, Koreans) and has been associated with the accumulation of acetaldehyde resulting from genetic polymorphism of aldehyde dehydrogenase (ALDH). These individuals also display erythema of the skin in response to exposure to topical alcohol. We have recently observed that dietary phytochemicals such as sulforaphane can accelerate the disposal of acetaldehyde from cells and animals by inducing ALDH...
May 17, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28507518/beneficial-effects-of-sulforaphane-treatment-in-alzheimer-s-disease-may-be-mediated-through-reduced-hdac1-3-and-increased-p75ntr-expression
#6
Jingzhu Zhang, Rui Zhang, Zhipeng Zhan, Xinhui Li, Fuyuan Zhou, Aiping Xing, Congmin Jiang, Yanqiu Chen, Li An
Alzheimer's disease is an irreversible, progressive neurodegenerative disorder. The accumulation of Aβ in the brain is thought to play a causative role in the development of cognitive dysfunction in Alzheimer's disease. The p75 neurotrophin receptor is of great importance to protect against the Aβ burden and its expression is regulated by histone acetylation. This study investigated whether the phytochemical sulforaphane, a pan-histone deacetylase inhibitor, up-regulates the p75 neurotrophin receptor expression via affecting histone acetylation in protection against Alzheimer's disease...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28498473/sulforaphane-sensitizes-human-cholangiocarcinoma-to-cisplatin-via-the-downregulation-of-anti-apoptotic-proteins
#7
Rokas Račkauskas, Dachen Zhou, Simonas Ūselis, Kęstutis Strupas, Ingrid Herr, Peter Schemmer
Cholangiocarcinoma (CCC) is an aggressive malignancy with poor therapeutic options and pronounced chemotherapy resistance. The bioactive broccoli substance, sulforaphane (SFN), is a promising new therapeutic option since it has been found to induce therapeutic effects in both experimental and epidemiological studies in various tumor entities. Thus, the present study was designed to assess the effect of SFN on cisplatin sensitivity in CCC. Human HuCCT-1 and TFK-1 cells, representing intrahepatic and extrahepatic CCC, respectively, were treated with cisplatin and SFN...
May 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28487960/sulforaphane-prevents-bleomycin%C3%A2-induced-pulmonary-fibrosis-in-mice-by-inhibiting-oxidative-stress-via-nuclear-factor-erythroid-2%C3%A2-related-factor%C3%A2-2-activation
#8
Bingdi Yan, Zhongsen Ma, Shaomin Shi, Yuxin Hu, Tiangang Ma, Gao Rong, Junling Yang
Lung fibrosis is associated with inflammation, apoptosis and oxidative damage. The transcription factor nuclear factor erythroid 2‑related factor‑2 (Nrf2) prevents damage to cells from oxidative stress by regulating the expression of antioxidant proteins. Sulforaphane (SFN), an Nrf2 activator, additionally regulates excessive oxidative stress by promoting the expression of endogenous antioxidants. The present study investigated if SFN protects against lung injury induced by bleomycin (BLM). The secondary aim of the present study was to assess if this protection mechanism involves upregulation of Nrf2 and its downstream antioxidants...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28439590/competition-based-quantitative-chemical-proteomics-in-breast-cancer-cells-identifies-new-target-profiles-for-sulforaphane
#9
James A Clulow, Elisabeth M Storck, Thomas Lanyon-Hogg, Karunakaran A Kalesh, Lyn H Jones, Edward W Tate
Sulforaphane is a small molecule isothiocyanate which exhibits anticancer potential, yet its biological targets remain poorly understood. Here we employ a competition-based chemical proteomics strategy to profile sulforaphane's targets and identify over 500 targets along with their relative affinities. These targets provide a new set of mediators for sulforaphane's bioactivity, and aid understanding of its complex mode of action.
May 4, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28431267/mir-19-targeting-of-gsk3%C3%AE-mediates-sulforaphane-suppression-of-lung-cancer-stem-cells
#10
Jianyun Zhu, Shijia Wang, Yue Chen, Xiaoting Li, Ye Jiang, Xue Yang, Yuan Li, Xiaoqian Wang, Yu Meng, Mingming Zhu, Xiao Ma, Cong Huang, Rui Wu, Chunfeng Xie, Shanshan Geng, Jieshu Wu, Caiyun Zhong, Hongyu Han
Cancer stem cells (CSCs) play a central role in the development of cancer. The canonical Wnt/β-catenin pathway is critical for maintaining stemness of CSCs. Phytochemicals from dietary compounds possess anti-CSCs properties and have been characterized as promising therapeutic agents for the prevention and treatment of many cancers. To date, the involvement and function of miR-19, a key oncogenic miRNA, in regulating Wnt/β-catenin pathway and lung CSCs has not been defined. Meanwhile, the effect of sulforaphane (SFN) on lung CSCs also remains to be elucidated...
June 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28423681/sulforaphane-for-the-chemoprevention-of-bladder-cancer-molecular-mechanism-targeted-approach
#11
REVIEW
Andrew Leone, Gregory Diorio, Wade Sexton, Michael Schell, Mark Alexandrow, Jed W Fahey, Nagi B Kumar
The clinical course for both early and late stage Bladder Cancer (BC) continues to be characterized by significant patient burden due to numerous occurrences and recurrences requiring frequent surveillance strategies, intravesical drug therapies, and even more aggressive treatments in patients with locally advanced or metastatic disease. For these reasons, BC is also the most expensive cancer to treat. Fortunately, BC offers an excellent platform for chemoprevention interventions with potential to optimize the systemic and local exposure of promising agents to the bladder mucosa...
March 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420123/stability-of-bioactive-compounds-in-broccoli-as-affected-by-cutting-styles-and-storage-time
#12
Ana Mariel Torres-Contreras, Vimal Nair, Luis Cisneros-Zevallos, Daniel A Jacobo-Velázquez
Broccoli contains bioactive molecules and thus its consumption is related with the prevention of chronic and degenerative diseases. The application of wounding stress to horticultural crops is a common practice, since it is the basis for the fresh-cut produce industry. In this study, the effect of four different cutting styles (CSs) (florets (CS1), florets cut into two even pieces (CS2), florets cut into four even pieces (CS3), and florets processed into chops (CS4)) and storage time (0 and 24 h at 20 °C) on the content of bioactive compounds in broccoli was evaluated...
April 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28419960/preferentially-enhancing-anti-cancer-isothiocyanates-over-glucosinolates-in-broccoli-sprouts-how-nacl-and-salicylic-acid-affect-their-formation
#13
Azadeh Esfandiari, Ali Saei, Marian J McKenzie, Adam J Matich, Mesbah Babalar, Donald A Hunter
Broccoli (Brassica oleracea L. var. italica) sprouts contain glucosinolates (GLs) that when hydrolysed yield health promoting isothiocyanates such as sulforaphane (SF). SF content can be increased by salt (NaCl) stress, although high salt concentrations negatively impact plant growth. Salicylic acid (SA) treatments can attenuate the negative effects of salt on growth. To test whether sprout isothiocyanate content could be elevated without sprout growth being compromised, broccoli seed were germinated and grown for seven days in salt (0, 80 and 160 mM) alone and in combination with 100 μM SA...
April 7, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28412310/increased-seizure-susceptibility-and-other-toxicity-symptoms-following-acute-sulforaphane-treatment-in-mice
#14
Katarzyna Socała, Dorota Nieoczym, Edyta Kowalczuk-Vasilev, Elżbieta Wyska, Piotr Wlaź
Activation of Nrf2 with sulforaphane has recently gained attention as a new therapeutic approach in the treatment of many diseases, including epilepsy. As a plant-derived compound, sulforaphane is considered to be safe and well-tolerated. It is widely consumed, also by patients suffering from seizure and taking antiepileptic drugs, but no toxicity profile of sulforaphane exists. Since many natural remedies and dietary supplements may increase seizure risk and potentially interact with antiepileptic drugs, the aim of our study was to investigate the acute effects of sulforaphane on seizure thresholds and activity of some first- and second-generation antiepileptic drugs in mice...
July 1, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28408365/immunomodulators-targeting-marco-expression-improve-resistance-to-post-influenza-bacterial-pneumonia
#15
Muzo Wu, John G Gibbons, Glen M Deloid, Alice S Bedugnis, Rajesh K Thimmulappa, Shyam Biswal, Lester Kobzik
Down-regulation of the alveolar macrophage (AM) macrophage receptor with collagenous structure (MARCO) leads to susceptibility to post-influenza bacterial pneumonia, a major cause of morbidity and mortality. We sought to determine whether immunomodulation of MARCO could improve host defense and resistance to secondary bacterial pneumonia. RNAseq analysis identified a striking increase of MARCO expression between days 9 and 11 after influenza infection and indicated important roles for Akt and Nrf2 in MARCO recovery...
April 13, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28405689/differential-effects-of-sulforaphane-in-regulation-of-angiogenesis-in-a-co-culture-model-of-endothelial-cells-and-pericytes
#16
Yichong Wang, Zhigang Zhou, Wei Wang, Ming Liu, Yongping Bao
Aberrant neovascularization supports nutrients and the oxygen microenvironment in tumour growth, invasion and metastasis. Recapitulation of functional microvascular structures in vitro could provide a platform for the study of vascular conditions. Sulforaphane (SFN), an isothiocyanate, has been reported to possess chemopreventive properties. In the present study, the effects of SFN on cell proliferation and tubular formation have been investigated using endothelial cells (ECs) and pericytes in coculture. SFN showed a dose-dependent inhibition on the growth of ECs and pericytes with IC50 values 46...
May 2017: Oncology Reports
https://www.readbyqxmd.com/read/28394276/targeting-colorectal-cancer-proliferation-stemness-and-metastatic-potential-using-brassicaceae-extracts-enriched-in-isothiocyanates-a-3d-cell-model-based-study
#17
Lucília P Pereira, Patrícia Silva, Marlene Duarte, Liliana Rodrigues, Catarina M M Duarte, Cristina Albuquerque, Ana Teresa Serra
Colorectal cancer (CRC) recurrence is often attributable to circulating tumor cells and/or cancer stem cells (CSCs) that resist to conventional therapies and foster tumor progression. Isothiocyanates (ITCs) derived from Brassicaceae vegetables have demonstrated anticancer effects in CRC, however little is known about their effect in CSCs and tumor initiation properties. Here we examined the effect of ITCs-enriched Brassicaceae extracts derived from watercress and broccoli in cell proliferation, CSC phenotype and metastasis using a previously developed three-dimensional HT29 cell model with CSC-like traits...
April 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28393231/sulforaphane-cysteine-induces-apoptosis-by-sustained-activation-of-erk1-2-and-caspase%C3%A2-3-in-human-glioblastoma-u373mg-and-u87mg-cells
#18
Sai Wu, Yan Zhou, Gaoxiang Yang, Hua Tian, Yang Geng, Yabin Hu, Kai Lin, Wei Wu
We previously demonstrated that sulforaphane (SFN) inhibited invasion via sustained activation of ERK1/2 in human glioblastoma cells. However, sulforaphane-cysteine (SFN-Cys), an analog of SFN, enriched in plasma with longer half-life, had more potentiality to induce apoptosis. Here we investigated the molecular mechanisms of SFN-Cys-induced apoptosis in human glioblastoma U373MG and U87MG cells. Cell viability assay showed that SFN-Cys inhibited cell viability in a dose-dependent manner. Cell morphology observation also showed SFN-Cys increased the phenotype of cell death in a dose-dependent manner...
April 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28389405/delayed-nrf2-regulated-antioxidant-gene-induction-in-response-to-silica-nanoparticles
#19
Hongqiao Zhang, Lulu Zhou, Jenay Yuen, Nancy Birkner, Valerie Leppert, Peggy A O'Day, Henry Jay Forman
Silica nanoparticles with iron on their surface cause the production of oxidants and stimulate an inflammatory response in macrophages. Nuclear factor erythroid-derived 2 - like factor 2 (Nrf2) signaling and its regulated antioxidant genes play critical roles in maintaining redox homeostasis. In this study we investigated the regulation of four representative Nrf2-regulated antioxidant genes; i.e., glutamate cysteine ligase (GCL) catalytic subunit (GCLC), GCL modifier subunit (GCLM), heme oxygenase 1 (HO-1), and NAD(P)H:quinone oxidoreductase-1 (NQO-1), by iron-coated silica nanoparticles (SiO2-Fe) in human THP-1 macrophages...
April 4, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28386307/sulforaphane-protects-against-high-cholesterol-induced-mitochondrial-bioenergetics-impairments-inflammation-and-oxidative-stress-and-preserves-pancreatic-%C3%AE-cells-function
#20
Catalina Carrasco-Pozo, Kah Ni Tan, Martin Gotteland, Karin Borges
Cholesterol plays an important role in inducing pancreatic β-cell dysfunction, leading to an impaired insulin secretory response to glucose. This study aimed to determine the protective effects of sulforaphane, a natural isothiocyanate Nrf2-inducer, against cholesterol-induced pancreatic β-cells dysfunction, through molecular and cellular mechanisms involving mitochondrial bioenergetics. Sulforaphane prevented cholesterol-induced alterations in the coupling efficiency of mitochondrial respiration, improving ATP turnover and spare capacity, and averted the impairment of the electron flow at complexes I, II, and IV...
2017: Oxidative Medicine and Cellular Longevity
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