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Sulforaphane

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https://www.readbyqxmd.com/read/28231170/fermentation-assisted-extraction-of-isothiocyanates-from-brassica-vegetable-using-box-behnken-experimental-design
#1
Amit K Jaiswal, Nissreen Abu-Ghannam
Recent studies showed that Brassica vegetables are rich in numerous health-promoting compounds such as carotenoids, polyphenols, flavonoids, and glucosinolates (GLS), as well as isothiocyanates (ITCs) and are involved in health promotion upon consumption. ITCs are breakdown products of GLS, and typically used in the food industry as a food preservative and colouring agent. They are also used in the pharmaceutical industry due to their several pharmacological properties such as antibacterial, antifungal, antiprotozoal, anti-inflammatory, and chemoprotective effects, etc...
November 4, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28212891/sulforaphane-inhibits-platelet-derived-growth-factor-induced-vascular-smooth-muscle-cell-proliferation-by-targeting-mtor-p70s6kinase-signaling-independent-of-nrf2-activation
#2
Noha M Shawky, Lakshman Segar
Activation of nuclear factor erythroid 2-related factor 2 (Nrf2, a transcription factor) and/or inhibition of mammalian target of rapamycin (mTOR) are implicated in the suppression of vascular smooth muscle cell (VSMC) proliferation. The present study has examined the likely regulatory effects of sulforaphane (SFN, an antioxidant) on Nrf2 activation and platelet-derived growth factor (PDGF)-induced mTOR signaling in VSMCs. Using human aortic VSMCs, nuclear extraction and siRNA-mediated downregulation studies were performed to determine the role of Nrf2 on SFN regulation of PDGF-induced proliferative signaling...
February 14, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28209760/glucoraphanin-ameliorates-obesity-and-insulin-resistance-through-adipose-tissue-browning-and-reduction-of-metabolic-endotoxemia-in-mice
#3
Naoto Nagata, Liang Xu, Susumu Kohno, Yusuke Ushida, Yudai Aoki, Ryohei Umeda, Nobuo Fuke, Fen Zhuge, Yinhua Ni, Mayumi Nagashimada, Chiaki Takahashi, Hiroyuki Suganuma, Shuichi Kaneko, Tsuguhito Ota
Low-grade sustained inflammation links obesity to insulin resistance and nonalcoholic fatty liver disease (NAFLD). However, therapeutic approaches to improve systemic energy balance and chronic inflammation in obesity are limited. Pharmacological activation of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) alleviates obesity and insulin resistance in mice; however, Nrf2 inducers are not clinically available owing to safety concerns. Thus, we examined whether dietary glucoraphanin, a stable precursor of the Nrf2 inducer sulforaphane, ameliorates systemic energy balance, chronic inflammation, insulin resistance, and NAFLD in high-fat diet (HFD)-fed mice...
February 16, 2017: Diabetes
https://www.readbyqxmd.com/read/28191275/sulforaphane-prevents-angiotensin-ii-induced-testicular-cell-death-via-activation-of-nrf2
#4
Yonggang Wang, Hao Wu, Ying Xin, Yang Bai, Lili Kong, Yi Tan, Feng Liu, Lu Cai
Although angiotensin II (Ang II) was reported to facilitate sperm motility and intratesticular sperm transport, recent findings shed light on the efficacy of Ang II in stimulating inflammatory events in testicular peritubular cells, effect of which may play a role in male infertility. It is still unknown whether Ang II can induce testicular apoptotic cell death, which may be a more direct action of Ang II in male infertility. Therefore, the present study aims to determine whether Ang II can induce testicular apoptotic cell death and whether this action can be prevented by sulforaphane (SFN) via activating nuclear factor (erythroid-derived 2)-like 2 (NRF2), the governor of antioxidant-redox signalling...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28176666/role-of-sulforaphane-in-protection-of-gastrointestinal-tract-against-h-pylori-and-nsaid-induced-oxidative-stress
#5
Akinori Yanaka
BACKGROUND: Sulforaphane (SFN), a phytochemical found in abundance in broccoli sprouts, potently induces a variety of antioxidant enzymes, and thereby protects cells from injury induced by various kinds of oxidative stresses. It has been suggested that both H. pylori infection and intake of non-steroidal anti-inflammatory drugs (NSAIDs) induce chronic oxidative stress in gastrointestinal (GI) mucosa, thereby causing mucosal injury in the GI tract. Therefore, it would be a reasonable assumption that SFN protects GI mucosa against oxidative injury induced by H...
February 6, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28176652/mechanisms-for-inhibition-of-colon-cancer-cells-by-sulforaphane-through-epigenetic-modulation-of-microrna-21-and-human-telomerase-reverse-transcriptase-htert-down-regulation
#6
Samantha L Martin, Rishabh Kala, Trygve O Tollefsbol
Epigenetic modulations such as histone modifications are becoming increasingly valued for their ability to modify genes without altering the DNA sequence. Many bioactive compounds have been shown to alter genetic and epigenetic profiles in various forms of 6 cancers. Of the many dietary phytochemicals, sulforaphane (SFN), found in cruciferous vegetables such as kale, cabbage and broccoli sprouts, has been present as one of the most potent (histone deacetylase) HDAC inhibitors to date. Recently, it has been 9 identified that HDAC inhibitors may play a vital role in regulating microRNAs (miRNAs) in many human cancers...
February 5, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28151586/nuclear-erythroid-2-related-factor-2-activation-inhibits-house-dust-mite-induced-sinonasal-epithelial-cell-barrier-dysfunction
#7
Nyall R London, Anuj Tharakan, Andrew P Lane, Shyam Biswal, Murugappan Ramanathan
BACKGROUND: Dysregulated sinonasal epithelial cell (SNEC) barrier function has been proposed to contribute to the pathogenesis of sinonasal inflammatory conditions such as allergic rhinitis (AR) and chronic rhinosinusitis (CRS). Allergens such as house dust mite (HDM) have been reported to disrupt SNEC barrier integrity. We have recently identified nuclear erythroid 2-related factor 2 (Nrf2) activation via sulforaphane (SFN) stimulation to stabilize SNEC barrier function. The purpose of this study was to explore whether Nrf2 activation could ameliorate HDM-induced SNEC barrier dysfunction...
February 2, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28147711/pharmacokinetics-and-in-vitro-and-in-vivo-delivery-of-sulforaphane-by-pcl-peg-pcl-copolymeric-based-micelles
#8
Hamidreza Kheiri Manjili, Ali Sharafi, Elahe Attari, Hossein Danafar
A reliable and efficient drug delivery system using PCL-PEG-PCL copolymers was established for the anti-cancer compound sulforaphane (SF) in this study. Encapsulated SF by PCL-PEG-PCL nanoparticles led to formation of SF-loaded PCL-PEG-PCL micelles. Micelles characterization and stability, the particle size and their morphology were determined by DLS and AFM. The loading efficiency of SF was 19.33 ± 1.28%. The results of AFM showed that the micelles had spherical shapes with the size of 107 nm. In vitro release of SF from SF-entrapped micelles was remarkably sustained...
February 1, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28142224/effects-of-sulforaphane-on-neural-stem-cell-proliferation-and-differentiation
#9
Zhenxian Han, Qian Xu, Changfu Li, Hong Zhao
Sulforaphane (SFN) is a natural organosulfur compound with ant-oxidant and anti-inflammation properties. The objective of this study is to investigate the effect of SFN on the proliferation and differentiation of neural stem cells (NSC). NSCs were exposed to SFN at the concentrations ranging from 0.25 to 10 µM. Cell viability was evaluated with MTT assay and lactate dehydogenase (LDH) release assay. The proliferation of NSCs was evaluated with neurosphere formation assay and Ki-67 staining. The level of Tuj-1 was evaluated with immunostaining and western blot to assess NSC neuronal differentiation...
January 31, 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28140568/dna-adduct-profiles-predict-in-vitro-cell-viability-after-treatment-with-the-experimental-anticancer-prodrug-pr104a
#10
Alessia Stornetta, Peter W Villalta, Frederike Gossner, William R Wilson, Silvia Balbo, Shana J Sturla
PR104A is an experimental DNA-alkylating hypoxia-activated prodrug that can also be activated in an oxygen-independent manner by the two-electron aldo-keto reductase 1C3. Nitroreduction leads to the formation of cytotoxic hydroxylamine (PR104H) and amine (PR104M) metabolites, which induce DNA mono and cross-linked adducts in cells. PR104A-derived DNA adducts can be utilized as drug-specific biomarkers of efficacy and as a mechanistic tool to elucidate the cellular and molecular effects of PR104A. Toward this goal, a mass spectrometric bioanalysis approach based on a stable isotope-labeled adduct mixture (SILAM) and selected reaction monitoring (SRM) data acquisition for relative quantitation of PR104A-derived DNA adducts in cells was developed...
February 19, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28137215/targeting-cancer-stem-cells-for-chemoprevention-of-pancreatic-cancer
#11
Dharmalingam Subramaniam, Gaurav Kaushik, Prasad Dandawate, Shrikant Anant
Pancreatic ductal adenocarcinoma is one of the deadliest cancers worldwide and the fourth leading cause of cancer-related deaths in United States. Regardless of the advances in molecular pathogenesis and consequential efforts to suppress the disease, this cancer remains a major health problem in United States. By 2030, the projection is that pancreatic cancer will be climb up to be the second leading cause of cancer-related deaths in the United States. Pancreatic cancer is a rapidly invasive and highly metastatic cancer, and does not respond to standard therapies...
January 26, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28132875/the-impact-of-cruciferous-vegetable-isothiocyanates-on-histone-acetylation-and-histone-phosphorylation-in-bladder-cancer
#12
Besma Abbaoui, Kelly H Telu, Christopher R Lucas, Jennifer M Thomas-Ahner, Steven J Schwartz, Steven K Clinton, Michael A Freitas, Amir Mortazavi
: Cruciferous vegetable intake is associated with reduced risk of bladder cancer, yet mechanisms remain unclear. Cruciferous vegetable isothiocyanates (ITCs), namely sulforaphane (SFN) and erucin (ECN), significantly inhibit histone deacetylase (HDAC) activity in human bladder cancer cells representing superficial to invasive biology (59-83% inhibition with 20μM, 48h treatment), and in bladder cancer xenografts (59±3% ECN inhibition). Individual HDACs inhibited by SFN and ECN include HDACs 1, 2, 4 and 6...
March 6, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28131897/long-noncoding-rnas-and-sulforaphane-a-target-for-chemoprevention-and-suppression-of-prostate-cancer
#13
Laura M Beaver, Rachael Kuintzle, Alex Buchanan, Michelle W Wiley, Sarah T Glasser, Carmen P Wong, Gavin S Johnson, Jeff H Chang, Christiane V Löhr, David E Williams, Roderick H Dashwood, David A Hendrix, Emily Ho
Long noncoding RNAs (lncRNAs) have emerged as important in cancer development and progression. The impact of diet on lncRNA expression is largely unknown. Sulforaphane (SFN), obtained from vegetables like broccoli, can prevent and suppress cancer formation. Here we tested the hypothesis that SFN attenuates the expression of cancer-associated lncRNAs. We analyzed whole-genome RNA-sequencing data of normal human prostate epithelial cells and prostate cancer cells treated with 15 μM SFN or dimethylsulfoxide. SFN significantly altered expression of ~100 lncRNAs in each cell type and normalized the expression of some lncRNAs that were differentially expressed in cancer cells...
January 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28120534/sulforaphane-suppresses-cell-growth-and-collagen-expression-of-keloid-fibroblasts
#14
Ayako Kawarazaki, Mano Horinaka, Shusuke Yasuda, Toshiaki Numajiri, Kenichi Nishino, Toshiyuki Sakai
Keloids are fibroproliferative diseases characterized by the accumulation of an extracellular matrix including collagen. Various growth factors, or cytokines, and their receptors are overexpressed in keloids, and they are expected to be therapy targets. Sulforaphane, a dietary isothiocyanate, has recently shown anti-tumor, anti-inflammatory, and anti-fibrotic properties. In this study, we found that sulforaphane inhibited cell growth and reduced collagen at the mRNA and protein levels in keloid fibroblasts...
January 24, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28117948/bactericidal-antibiotics-promote-oxidative-damage-and-programmed-cell-death-in-sinonasal-epithelial-cells
#15
Michael A Kohanski, Anuj Tharakan, Nyall R London, Andrew P Lane, Murugappan Ramanathan
BACKGROUND: Antibiotics are widely and heavily used in the treatment of chronic sinusitis. Bactericidal antibiotics can stimulate reactive oxygen species (ROS) formation, a proinflammatory response, and cell death in cultured human sinonasal epithelial cells (SNECs). Sulforaphane (SFN) is a potent stimulator of the antioxidant nuclear factor erythroid 2-related factor 2 (Nrf-2) system and a suppressor of inflammation. In this study we utilized SFN to further explore the relationship between levofloxacin treatment, ROS formation, and the cell death response...
January 24, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28117016/food-as-pharma-the-case-of-glucosinolates
#16
Edoardo Capuano, Matthijs Dekker, Ruud Verkerk, Teresa Oliviero
BACKGROUND: Glucosinolates (GLSs) are dietary plant secondary metabolites occurring in the order Brassicales with potential health effects, in particular as anti-carcinogenic compounds. GLSs are converted into a variety of breakdown products (BPs) upon plant tissue damage and by the gut microbiota. GLS biological activity is related to BPs rather than to GLSs themselves. METHODS: we have reviewed the most recent scientific literature on the metabolic fate and the biological effect of GLSs with particular emphasis on the epidemiological evidence for health effect and evidence from clinical trials...
January 20, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28115273/ablation-of-akt2-prevents-paraquat-induced-myocardial-mitochondrial-injury-and-contractile-dysfunction-role-of-nrf2
#17
Shuyi Wang, Xiaoling Zhu, Lize Xiong, Jun Ren
Paraquat is a quaternary nitrogen herbicide triggering oxidative stress, mitochondrial damage and multi-organ injuries including hearts. To date, effective measure to combat paraquat toxicity is still lacking. Recent evidence has revealed a role for Akt in cardiac homeostasis. To this end, this study was designed to examine the role of Akt2 in acute paraquat exposure-induced cardiac contractile and mitochondrial injury using a unique murine model of Akt2 knockout. Cardiac contractile and intracellular Ca(2+) properties were evaluated...
January 20, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28112972/sulforaphane-protects-against-sodium-valproate-induced-acute-liver-injury
#18
Entsar A Nazmy, Omar A El-Khouly, Hoda Atef, Eman Said
Drug-induced hepatotoxicity is one of the most commonly encountered obstacles in the field of medical practice. Sodium valproate (VPA) is among many drugs with reported hepatotoxic effects. Sulforaphane (SFN) is a thiol compound found in wide abundance in cruciferous plants that has numerous reported therapeutic efficacies. The current investigation sheds light on the potential hepatoprotective effect of SFN against VPA-induced liver injury in rats. Twice daily VPA (700 mg/kg, i.p.) for 7 days induced significant biochemical alterations and hepatic histopathological damage...
November 1, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28112178/benzyl-isothiocyanate-induces-protective-autophagy-in-human-lung-cancer-cells-through-an-endoplasmic-reticulum-stress-mediated-mechanism
#19
Qi-Cheng Zhang, Zhen-Hua Pan, Bo-Ning Liu, Zhao-Wei Meng, Xiang Wu, Qing-Hua Zhou, Ke Xu
Isothiocyanates, such as allyl isothiocya¬nate (AITC), benzyl isothiocyanate (BITC), phenethyl isothio¬cyanate (PEITC) and sulforaphane (SFN), are natural compounds abundant in cruciferous vegetables, which have substantial chemopreventive activities against various human malignancies. However, the mechanisms underlying the inhibition of tumor cell growth by isothiocyanates are not fully understood. Since autophagy has dual functions in cancer, in the present study we investigated the effects of BITC on autophagy induction in human lung cancer cells in vitro and in vivo...
January 23, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28110122/17%C3%AE-estradiol-enhances-sulforaphane-cardioprotection-against-oxidative-stress
#20
Cristina Angeloni, Gabriella Teti, Maria Cristina Barbalace, Marco Malaguti, Mirella Falconi, Silvana Hrelia
The lower incidence of ischemic heart disease in female with respect to male gender suggests the possibility that female sex hormones could have specific effects in cardiovascular protection. 17β-Estradiol is the predominant premenopausal circulating form of estrogen and has a protective role on the cardiovascular system. Recent evidences suggest that gender can influence the response to cardiovascular medications; therefore, we hypothesized that sex hormones could also modulate the cardioprotective effects of nutraceutical compounds, such as the isothiocyanate sulforaphane, present in Brassica vegetables...
January 12, 2017: Journal of Nutritional Biochemistry
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