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thymoquinone

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https://www.readbyqxmd.com/read/28448463/thymoquinone-defeats-diabetes-induced-testicular-damage-in-rats-targeting-antioxidant-inflammatory-and-aromatase-expression
#1
Mustafa S Atta, Essam A Almadaly, Ali H El-Far, Rasha M Saleh, Doaa H Assar, Soad K Al Jaouni, Shaker A Mousa
Antioxidants have valuable effects on the process of spermatogenesis, particularly with diabetes mellitus (DM). Therefore, the present study investigated the impact and the intracellular mechanisms by which thymoquinone (TQ) works against diabetes-induced testicular deteriorations in rats. Wistar male rats (n = 60) were randomly allocated into four groups; Control, Diabetic (streptozotocin (STZ)-treated rats where diabetes was induced by intraperitoneal injection of STZ, 65 mg/kg), Diabetic + TQ (diabetic rats treated with TQ (50 mg/kg) orally once daily), and TQ (non-diabetic rats treated with TQ) for 12 weeks...
April 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28432986/the-effects-of-thymoquinone-on-hippocampal-cytokine-level-brain-oxidative-stress-status-and-memory-deficits-induced-by-lipopolysaccharide-in-rats
#2
Rahimeh Bargi, Fereshteh Asgharzadeh, Farimah Beheshti, Mahmoud Hosseini, Hamid Reza Sadeghnia, Majid Khazaei
OBJECTIVE: The study objective was to determine the protective effects of thymoquinone (TQ) on brain tissues oxidative stress status, hippocampal cytokine level, and learning and memory deficits induced by lipopolysaccharide (LPS) in rats. METHODS: Animals were randomly divided into the following groups and treated: (1) Control (saline), (2) LPS (1mg/kg i.p.), (3-5) 2, 5 or 10mg/kg TQ extract 30min before LPS injection. The treatment was started since two weeks before the behavioral experiments and continued during the behavioral tests (LPS injected 2h before each behavioral experiment)...
April 19, 2017: Cytokine
https://www.readbyqxmd.com/read/28423483/microrna-34a-targets-epithelial-to-mesenchymal-transition-inducing-transcription-factors-emt-tfs-and-inhibits-breast-cancer-cell-migration-and-invasion
#3
Saber Imani, Chunli Wei, Jingliang Cheng, Md Asaduzzaman Khan, Shangyi Fu, Luquan Yang, Mousumi Tania, Xianqin Zhang, Xiuli Xiao, Xianning Zhang, Junjiang Fu
MicroRNA-34a (miR-34a) plays an essential role against tumorigenesis and progression of cancer metastasis. Here, we analyzed the expression, targets and functional effects of miR-34a on epithelial to mesenchymal transition-inducing transcription factors (EMT-TFs), such as TWIST1, SLUG and ZEB1/2, and an EMT-inducing protein NOTCH1 in breast cancer (BC) cell migration and invasion and its correlation with tumorigenesis and clinical outcomes. Expression of miR-34a is downregulated in human metastatic breast cancers (MBC) compared to normal breast tissues and is negatively correlated with clinicopathological features of MBC patients...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416010/the-effect-of-thymoquinone-coating-on-adhesive-properties-of-polypropylene-mesh
#4
Oktay Aydin, Kuzey Aydinuraz, Fatih Agalar, I Tayfun Sahiner, Canan Agalar, Cem Bayram, Emir Baki Denkbas, Pinar Atasoy
BACKGROUND: An incisional hernia is a common complication following abdominal surgery. Polypropylene mesh is frequently used in the repair of such defects and has nearly become the standard surgical treatment modality. Though they are very effective in reducing recurrence, mesh materials exhibit a strong stimulating effect for intraabdominal adhesion. The thymoquinone (TQ) extracted from Nigella sativa seeds has potential medical properties. TQ has anti-inflammatory, antioxidant and antibacterial properties...
April 17, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28415607/thymoquinone-exerts-potent-growth-suppressive-activity-on-leukemia-through-dna-hypermethylation-reversal-in-leukemia-cells
#5
Jiuxia Pang, Na Shen, Fei Yan, Na Zhao, Liping Dou, Lai-Chu Wu, Christopher L Seiler, Li Yu, Ke Yang, Veronika Bachanova, Eric Weaver, Natalia Y Tretyakova, Shujun Liu
Thymoquinone (TQ), a bioactive constituent of the volatile oil of Monarda fistulosa and Nigella sativa, possesses cancer-specific growth inhibitory effects, but the underlying molecular mechanisms remain largely elusive. We propose that TQ curbs cancer cell growth through dysfunction of DNA methyltransferase 1 (DNMT1). Molecular docking analysis revealed that TQ might interact with the catalytic pocket of DNMT1 and compete with co-factor SAM/SAH for DNMT1 inhibition. In vitro inhibitory assays showed that TQ decreases DNMT1 methylation activity in a dose-dependent manner with an apparent IC50 of 30 nM...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28402205/non-ionic-surfactant-based-thymoquinone-loaded-nanoproniosomal-formulation-in-vitro-physicochemical-evaluation-and-in-vivohepatoprotective-efficacy
#6
Sanowar Sayeed, Syed Sarim Imam, Abul Kalam Najmi, Mohd Aqil, Mohd Akhtar
CONTEXT: The present study was carried out to formulate thymoquinone proniosomal formulation (TQP) and evaluate their efficacy in methotrexate (Mtx) induced hepatotoxicity in rats. OBJECTIVE: Theobjective of the study was to explore a new therapeutic approach focusing on hepatoprotectiveactivity using thymoquinone proniosomal formulation. MATERIAL AND METHODS: TQP was formulated using span60, cholesterol and phospholipid by film hydration technique...
April 12, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28401286/identification-of-odorants-in-wood-of-calocedrus-decurrens-torr-florin-by-aroma-extract-dilution-analysis-and-two-dimensional-gas-chromatography-mass-spectrometry-olfactometry
#7
Linda Schreiner, Helene M Loos, Andrea Buettner
General emissions of volatile organic compounds from wood are well investigated, but only limited information is available on the odor-active substances contained therein. To close this gap, we aimed at specifically elucidating the odorous constituents of wood from incense cedar [Calocedrus decurrens (Torr.) Florin]; this material is commonly used for the production of a range of products such as pencils and interior accessories. Targeted odorant analysis requires specialized techniques combining modern odorant analytical tools with human-sensory evaluation...
April 11, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28400978/thymoquinone-attenuates-brain-injury-via-an-anti-oxidative-pathway-in-a-status-epilepticus-rat-model
#8
Yi-Ye Shao, Bing Li, Yong-Mei Huang, Qiong Luo, Yang-Mei Xie, Ying-Hui Chen
AIM: Status epilepticus (SE) results in the generation of reactive oxygen species (ROS), which contribute to seizure-induced brain injury. It is well known that oxidative stress plays a pivotal role in status epilepticus (SE). Thymoquinone (TQ) is a bioactive monomer extracted from black cumin (Nigella sativa) seed oil that has anti-inflammatory, anti-cancer, and antioxidant activity in various diseases. This study evaluated the protective effects of TQ on brain injury in a lithium-pilocarpine rat model of SE and investigated the underlying mechanism related to antioxidative pathway...
January 2017: Translational Neuroscience
https://www.readbyqxmd.com/read/28390622/the-effect-of-caffeic-acid-phenethyl-ester-and-thymoquinone-on-otitis-media-with-effusion-in-rats
#9
Mehmet İhsan Gülmez, Şemsettin Okuyucu, Recep Dokuyucu, Hasan Gökçe
OBJECTIVE: In this study, we aimed to investigate the effect of CAPE and thymoquinone in experimental rat otitis media with effusion (OME) model. METHODS: Intraoral approach of eustachian tube orifice cauterization were administered to 36 of 40 rats participating the study. After application of exclusion criterias, 22 rats with appropriate conditions were determined. Totally 26 rats (44 otitis model ears and 8 normal ears) were randomly divided into 5 groups. While group I was consisted of healthy rats, the other groups were consisted of rats with otitis model...
May 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28355088/temozolomide-mediated-apoptotic-death-is-improved-by-thymoquinone-in-u87mg-cell-line
#10
Mozafar Khazaei, Mona Pazhouhi
Apoptosis induction of cancer cells can be an appropriate strategy by which chemotherapeutic agents kill tumor cells. The aim of the present study was to investigate the effect of temozolomide and thymoquinone combination on apoptotic pathway of human glioblastoma multiforme cell line (U87MG). U87MG cells were cultured, treated with temozolomide and thymoquinone, and cell proliferation was measured. Apoptosis cell death and its possible mechanism were investigated by various methods. Combination of temozolomide and thymoquinone had a synergistic effect on cells viability...
April 21, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28347846/supercritical-anti-solvent-technique-assisted-synthesis-of-thymoquinone-liposomes-for-radioprotection-formulation-optimization-in-vitro-and-in-vivo-studies
#11
Iqbal Ahmad, Sohail Akhter, Mohammed Anwar, Sobiya Zafar, Rakesh Kumar Sharma, Asgar Ali, Farhan Jalees Ahmad
The aim of this study was to develop Thymoquinone (TQ) loaded PEGylated liposomes using supercritical anti-solvent (SAS) process for enhanced blood circulation, and greater radioprotection. The SAS process of PEGylated liposomes synthesis was optimized by Box-Behnken design. Spherical liposomes with a particle size of 195.6±5.56nm and entrapment efficiency (%EE) of 89.4±3.69% were obtained. Optimized SAS process parameters; temperature, pressure and solution flow rate were 35°C, 140bar and 0.18mL/min, respectively, while 7...
March 24, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28337306/thymoquinone-potentiates-chemoprotective-effect-of-vitamin-d3-against-colon-cancer-a-pre-clinical-finding
#12
Amr M Mohamed, Bassem A Refaat, Adel G El-Shemi, Osama A Kensara, Jawwad Ahmad, Shakir Idris
Prevention of colon cancer among high-risk group has been long lasting research goal. Emerging data have evidenced the anticancer activities of Vitamin D3 (Vit.D) and Thymoquinone (TQ). The aim of the current study was to evaluate the synergistic potential of Thymoquinone and Vitamin D3 in the control of colon cancer progression using azoxymethane-induced rat model. Vit.D and TQ were given individually or in combination 4 week prior to induction and continued for a total of 20 week. At the end of the study, all animals were euthanized and their resected colons were examined macroscopically and microscopically for tumor growth...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28275297/thymoquinone-suppresses-migration-of-lovo-human-colon-cancer-cells-by-reducing-prostaglandin-e2-induced-cox-2-activation
#13
Hsi-Hsien Hsu, Ming-Cheng Chen, Cecilia Hsuan Day, Yueh-Min Lin, Shin-Yi Li, Chuan-Chou Tu, Viswanadha Vijaya Padma, Hui-Nung Shih, Wei-Wen Kuo, Chih-Yang Huang
AIM: To identify potential anti-cancer constituents in natural extracts that inhibit cancer cell growth and migration. METHODS: Our experiments used high dose thymoquinone (TQ) as an inhibitor to arrest LoVo (a human colon adenocarcinoma cell line) cancer cell growth, which was detected by cell proliferation assay and immunoblotting assay. Low dose TQ did not significantly reduce LoVo cancer cell growth. Cyclooxygenase 2 (COX-2) is an enzyme that is involved in the conversion of arachidonic acid into prostaglandin E2 (PGE2) in humans...
February 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28270647/protective-effect-of-thymoquinone-against-morphine-injuries-to-kidneys-of-mice
#14
Cyrus Jalili, Mohammad Reza Salahshoor, Mohsen Hoseini, Shiva Roshankhah, Maryam Sohrabi, Ahmad Shabanizadeh
INTRODUCTION: Thymoquinone is a phytochemical compound found in the plant Nigella sativa. It has various pharmacological effects such as antioxidant and anti-apoptotic. Morphine can increase the generation of free radicals. It is mainly excreted through the kidneys and causes disturbing effects. This study was designed to evaluate protective effects of thymoquinone against morphine-induced damages to the kidneys of mice. MATERIALS AND METHODS: Various doses of thymoquinone (4...
March 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/28262117/thymoquinone-inhibits-the-migration-of-mouse-neuroblastoma-neuro-2a-cells-by-down-regulating-mmp-2-and-mmp-9
#15
Paramasivam Arumugam, Raghunandhakumar Subramanian, Jayaseelan Vijayashree Priyadharsini, Jayaraman Gopalswamy
Thymoquinone (TQ), an active component derived from the medial plant Nigella sativa, has been used for medical purposes for more than 2 000 years. Recent studies have reported that TQ blocked angiogenesis in animal model and reduced migration, adhesion, and invasion of glioblastoma cells. We have recently shown that TQ could exhibit a potent cytotoxic effect and induce apoptosis in mouse neuroblastoma (Neuro-2a) cells. In the present study, TQ treatment markedly decreased the adhesion and migration of Neuro-2a cells...
December 2016: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28255972/gastroprotective-effect-of-thymoquinone-on-water-immersion-restraint-stress-induced-ulceration-in-rats
#16
Syed Sufiyan Ahmad, Abul Kalam Najmi, Madhu Kaundal, Mohd Akhtar
To evaluated the role of thymoquinone (TQ) on stress induced ulceration progress in rats subjected to water immersion restraint as a stress (WRS) condition model. Wistar albino rats were divided into different groups; the animals were subjected to WRS. TQ (10 mg/kg) alone and TQ with ranitidine (20 mg/kg) were administered per orally as pre treatment for 7 days. On 8(th) day the animals were sacrificed, gastric juice, pH, acid secretion, acid output, ulcer index and markers of oxidative stress and histopathology were determined...
March 2, 2017: Drug Research
https://www.readbyqxmd.com/read/28250648/the-influence-of-pluronic-f68-and-f127-nanocarrier-on-physicochemical-properties-in-vitro-release-and-antiproliferative-activity-of-thymoquinone-drug
#17
Salwa Shaarani, Shahrul Sahul Hamid, Noor Haida Mohd Kaus
BACKGROUND: This study reports on hydrophobic drug thymoquinone (TQ), an active compound found in the volatile oil of Nigella sativa that exhibits anticancer activities. Nanoformulation of this drug could potentially increase its bioavailability to specific target cells. OBJECTIVE: The aim of this study was to formulate TQ into polymer micelle, Pluronic F127 (5.0 wt %) and Pluronic F68 (0.1 wt %), as a drug carrier to enhance its solubility and instability in aqueous media...
January 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28223069/evaluation-of-antibacterial-potential-and-toxicity-of-plant-volatile-compounds-using-new-broth-microdilution-volatilization-method-and-modified-mtt-assay
#18
Marketa Houdkova, Johana Rondevaldova, Ivo Doskocil, Ladislav Kokoska
With aim to develop effective proof-of-concept approach which can be used in a development of new preparations for the inhalation therapy, we designed a new screening method for simple and rapid simultaneous determination of antibacterial potential of plant volatiles in the liquid and the vapour phase at different concentrations. In addition, EVA (ethylene vinyl acetate) capmat™ as vapour barrier cover was used as reliable modification of thiazolyl blue tetrazolium bromide (MTT) assay for cytotoxicity testing of volatiles on microtiter plates...
April 2017: Fitoterapia
https://www.readbyqxmd.com/read/28216638/thymoquinone-an-irak1-inhibitor-with-in-vivo-and-in-vitro-anti-inflammatory-activities
#19
Muhammad Jahangir Hossen, Woo Seok Yang, Daewon Kim, Adithan Aravinthan, Jong-Hoon Kim, Jae Youl Cho
Thymoquinone (TQ) is a bioactive component of black seed (Nigella sativa) volatile oil and has been shown to have anti-oxidative, anti-inflammatory, and anti-cancer properties. In the present study, we explored the molecular mechanisms that underlie the anti-inflammatory effect of TQ and its target proteins using lipopolysaccharide (LPS)-stimulated murine macrophage-like RAW264.7 and human monocyte-like U937 cells, together with LPS/D-galactosamine (GalN)-induced acute hepatitis and HCl/EtOH-induced gastritis mouse models...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28195061/overview-of-the-preclinical-pharmacological-properties-of-nigella-sativa-black-seeds-a-complementary-drug-with-historical-and-clinical-significance
#20
E Z Dajani, T G Shahwan, N E Dajani
Nigella sativa (N. sativa, black seeds; or sometimes known by many other names such as the blessed seed by the Arabs, black cumin in the Holy Bible, black caraway and Kalonji in South Asia) has been traditionally used for many years not only as a food but also as complementary drug. It is the objective of this communication to review the evidence-based pre-clinical pharmacological actions of N. sativa as a basis of its existing and potential new human clinical uses. Primary PubMed literature searches and secondary Medline searches were conducted to define N...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
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