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thymoquinone

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https://www.readbyqxmd.com/read/29763882/thymoquinone-influences-the-expression-of-genes-involved-in-self-renewal-and-immunomodulatory-potential-of-mouse-bone-marrow-derived-mesenchymal-stem-cells-in-vitro
#1
Elham Alimoradi, Sajjad Sisakhtnezhad, Hassan Akrami
Thymoquinone (TQ) is an active ingredient of some medicinal herbs. Despite extensive studies on the biological and pharmacological properties of TQ, its effect on the characteristics of stem cells remains to be clarified. Therefore, this study was aimed to investigate the effect of TQ on viability, proliferation and immunomodulatory potential of mouse bone marrow-derived mesenchymal stem cells (BM-MSCs) in vitro. The BM-MSCs were isolated from young NMRI mice. The cytotoxic effect of TQ on the BM-MSCs was evaluated using MTT assay...
May 7, 2018: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29759145/thymoquinone-increases-the-expression-of-neuroprotective-proteins-while-decreasing-the-expression-of-pro-inflammatory-cytokines-and-the-gene-expression-nf%C3%AE%C2%BAb-pathway-signaling-targets-in-lps-ifn%C3%AE-activated-bv-2-microglia-cells
#2
Makini K Cobourne-Duval, Equar Taka, Patricia Mendonca, Karam F A Soliman
Neuroinflammation and microglial activation are pathological markers of a number of central nervous system (CNS) diseases. Chronic activation of microglia induces the release of excessive amounts of reactive oxygen species (ROS) and pro-inflammatory cytokines. Additionally, chronic microglial activation has been implicated in several neurodegenerative diseases, including Alzheimer's disease and Parkinson's disease. Thymoquinone (TQ) has been identified as one of the major active components of the natural product Nigella sativa seed oil...
July 15, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29751576/thymoquinone-suppresses-irf-3-mediated-expression-of-type-i-interferons-via-suppression-of-tbk1
#3
Nur Aziz, Young-Jin Son, Jae Youl Cho
Interferon regulatory factor (IRF)-3 is known to have a critical role in viral and bacterial innate immune responses by regulating the production of type I interferon (IFN). Thymoquinone (TQ) is a compound derived from black cumin ( Nigella sativa L.) and is known to regulate immune responses by affecting transcription factors associated with inflammation, including nuclear factor-κB (NF-κB) and activator protein-1 (AP-1). However, the role of TQ in the IRF-3 signaling pathway has not been elucidated...
May 3, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29749248/antiproliferative-and-antiapoptotic-effect-of-thymoquinone-on-cancer-cells-in-vitro
#4
G Kus, M Ozkurt, S Kabadere, N Erkasap, G Goger, F Demirci
OBJECTIVES: Nigella sativa oil and thymoquinone were comparatively tested in vitro for their effects on human cancer cell lines (glioma,T98; prostate, LnCaP) as well as mouse embryonic fibroblast cell lines (3T3), and for the induction of apoptosis. METHODS: Individual cell lines were treated with thymoquinone and N. sativa oil for 24 and 48 hr. Survival rate with MTT, apoptosis with flow cytometry and caspase-9 mRNA enzyme levels with RT-PCR were determined in vitro...
2018: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29743967/neuropharmacological-potential-and-delivery-prospects-of-thymoquinone-for-neurological-disorders
#5
REVIEW
Md Jakaria, Duk-Yeon Cho, Md Ezazul Haque, Govindarajan Karthivashan, In-Su Kim, Palanivel Ganesan, Dong-Kug Choi
Thymoquinone (TQ) is an active ingredient isolated from Nigella sativa and has various pharmacological activities, such as protection against oxidative stress, inflammation, and infections. In addition, it might be a potential neuropharmacological agent because it exhibits versatile potential for attenuating neurological impairments. It features greater beneficial effects in toxin-induced neuroinflammation and neurotoxicity. In various models of neurological disorders, it demonstrates emergent functions, including safeguarding various neurodegenerative diseases and other neurological diseases, such as stroke, schizophrenia, and epilepsy...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29733120/thymoquinone-protects-rat-liver-after-partial-hepatectomy-under-ischemia-reperfusion-through-oxidative-stress-and-endoplasmic-reticulum-stress-prevention
#6
Ahlem Bouhlel, Mohamed Bejaoui, Ismail Ben Mosbah, Najet Hadj Abdallah, Catherine Ribault, Roselyne Viel, Hassen Hentati, Anne Corlu, Hassen Ben Abdennebi
Ischemia reperfusion (I/R) is associated with liver injury and impaired regeneration during partial hepatectomy (PH). The aim of this study was to investigate the effect of thymoquinone (TQ), the active compound of essential oil obtained from Nigella sativa seeds, on rat liver after PH. Male Wistar rats were equally divided into four groups (n=6) receiving an oral administration of either vehicle solution (Sham and PH groups) or TQ at 30 mg/kg (TQ and TQ+PH groups) for ten consecutive days. Then, rats underwent PH (70%) with 60 min of ischemia followed by 24h of reperfusion (PH and TQ+PH groups)...
May 7, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29730530/fingerprint-profile-and-efficacy-associated-markers-of-nigella-sativa-oil-for-geographical-origin-determination-using-targeted-and-untargeted-hptlc-multivariate-analysis
#7
Eman Shawky, Nihal M El Newehy, Amira M Beltagy, Mohammad M Abd-Alhaseeb, Gamal A Omran, Fathallah M Harraz
Efficacy directed-fingerprint analysis of high-performance thin layer chromatography is proposed to set up fingerprint activity relationship modeling for precise discrimination of chemical and effective consistency of Nigella sativa oils from different geographical origins. A whole of 27 samples of N. sativa oils from three geographical area (Egypt, Ethiopia and Syria) were collected and their antimicrobial, cytotoxic, anti-inflammatory and analgesic activities were measured. The results revealed that there was significant difference in the biological activities of the oils collected...
April 30, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29710533/thymoquinone-alleviates-arsenic-induced-hippocampal-toxicity-and-mitochondrial-dysfunction-by-modulating-mptp-in-wistar-rats
#8
Fakiha Firdaus, Mohd Faraz Zafeer, Mohammad Waseem, Rizwan Ullah, Masood Ahmad, Mohammad Afzal
Arsenic is a pervasive environmental pollutant that is found in ground waters globally and is related to numerous morbidities in the high-risk population areas in countries including Bangladesh, India, and the USA. Arsenic exposure has been ubiquitously reported for exacerbating free radical generation, mitochondrial dysfunction, and apoptosis by interfering with the mPTP functioning. Over the past decades, nutraceuticals with antioxidant properties have shown promising efficacy in arsenic poisoning. In the present study, we have examined, the protective efficacy of thymoquinone (TQ), an active component of seed oil of Nigella sativa with antioxidant and anti-inflammatory activity on arsenic-induced toxicity in hippocampi of Wistar rats...
April 4, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29707819/effects-of-pure-plant-secondary-metabolites-on-methane-production-rumen-fermentation-and-rumen-bacteria-populations-in-vitro
#9
M Joch, J Mrázek, E Skřivanová, L Čermák, M Marounek
In this study, the effects of seven pure plant secondary metabolites (PSMs) on rumen fermentation, methane (CH4 ) production and rumen bacterial community composition were determined. Two in vitro trials were conducted. In trial 1, nine concentrations of 8-hydroxyquinoline, α-terpineol, camphor, bornyl acetate, α-pinene, thymoquinone and thymol were incubated on separate days using in vitro 24-hr batch incubations. All compounds tested demonstrated the ability to alter rumen fermentation parameters and decrease CH4 production...
April 29, 2018: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29706929/neuromodulatory-effect-of-thymoquinone-in-attenuating-glutamate-mediated-neurotoxicity-targeting-the-amyloidogenic-and-apoptotic-pathways
#10
Ibram Amin Fouad, Nadia Mohamed Sharaf, Ragwa Mansour Abdelghany, Nesrine Salah El Dine El Sayed
Overexposure of the glutamatergic N-methyl-d-aspartate (NMDA) receptor to the excitatory neurotransmitter l-glutamic acid leads to neuronal cell death by excitotoxicity as a result of increased intracellular Ca2+ , mitochondrial dysfunction, and apoptosis. Moreover, it was previously reported that prolonged activation of the NMDA receptor increased beta-amyloid (Aβ) levels in the brain. Thymoquinone (TQ), the active constituent of Nigella sativa seeds, has been shown to have potent antioxidant and antiapoptotic effects...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29701149/nigella-sativa-l-and-its-bioactive-constituents-as-hepatoprotectant-a-review
#11
Heena Tabassum, Asad Ahmad, Iffat Zareen Ahmad
BACKGROUND: The pharmacological properties of Nigella sativa L. are well attributed to the presence of bioactive compounds, mainly, thymoquinone (TQ), thymol (THY) and α hederin and their antioxidant effects. TQ,THY and alpha-hederin (α-hederin) provide protection to liver from injury via different mechanisms including inhibition of iron-dependent lipid peroxidation, elevation in total thiol content and (GSH) level, radical scavenging, increasing the activity of quinone reductase, catalase, superoxide dismutase(SOD) and glutathione transferase (GST), inhibition of NF-κB activity and inhibition of both (COX) and (LOX) protects liver from injuries...
April 26, 2018: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29701106/thymoquinone-is-protective-against-2-3-7-8-tetrachlorodibenzo-p-dioxin-induced-hepatotoxicity
#12
M E Erdemli, B Yigitcan, M Gul, H G Bag, S Gul, Z Aksungur
We investigated changes in rat liver tissues following administration of thymoquinone (TQ) against 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) induced hepatotoxicity. Fifty rats were assigned randomly to five groups of 10 as follows: control, corn oil, TCDD, TQ and TCDD + TQ. Biochemical and histopathological analyses were conducted on liver tissue. We found that 30 day TCDD administration caused histopathological changes in liver including thickening of Glisson's capsule, intracytoplasmic vacuolization in hepatocytes, sinusoidal dilation, vascular and sinusoidal congestion and inflammatory cell infiltration...
April 27, 2018: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29686746/black-seed-thymoquinone-improved-insulin-secretion-hepatic-glycogen-storage-and-oxidative-stress-in-streptozotocin-induced-diabetic-male-wistar-rats
#13
Heba M A Abdelrazek, Omnia E Kilany, Muhammad A A Muhammad, Hend M Tag, Aaser M Abdelazim
Diabetes mellitus is one of the metabolic diseases having several complications. Nigella sativa oil (NSO) might have beneficial effects in the treatment of diabetic complications. Thirty-two mature male Wistar rats were equally divided into four experimental groups: control, control NSO 2 mL/kg, streptozotocin- (STZ-) induced diabetic, and diabetic (STZ-induced) treated with oral NSO 2 mg/kg for 30 days. Fasting blood glucose (FBG), insulin, and lipid profile levels were determined. Pancreatic and hepatic tissues were used for catalase and GSH...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29685000/thymoquinone-protects-against-cerebral-small-vessel-disease-role-of-antioxidant-and-anti-inflammatory-activities
#14
D Guan, Y Li, X Peng, H Zhao, Y Mao, Y Cui
Cerebral small vessel disease (CSVD) is a leading cause of progressive decline of cognition and a major risk factor for stroke. Thymoquinone (TQ) is the major biological component of Nigella sativa (N. sativa) and its extracts. We explored the possible protective effect of TQ against CSVD in strokeprone spontaneously hypertensive SHRsp rats. Morris water maze and novel object recognition tests were conducted to evaluate memory and cognitive function. mRNA expression of inflammatory factors were determined and oxidative stress was evaluated...
March 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29669380/quantification-and-brain-targeting-of-eugenol-loaded-surface-modified-nanoparticles-through-intranasal-route-in-the-treatment-of-cerebral-ischemia
#15
Niyaz Ahmad, Rizwan Ahmad, Md Aftab Alam, Farhan Jalees Ahmad
OBJECTIVE: To enhance brain bioavailability for intranasally administered Eugenol-encapsulated-chitosan-coated-PCL-Nanoparticles (CS-EUG-PCL-NPs). METHODS: Chitosan-coated-PCL-Nanoparticles (CS-PCL-NPs) were developed through double emulsification-solvent evaporation technique and further characterized for particle size, zeta potential, size distribution, encapsulation efficiency as well as in vitro drug release. UPLC-PDA method was developed to evaluate brain-drug uptake for optimized CS-EUG-PCL-NPs and to determine it's pharmacokinetic in rat's brain as well as plasma...
April 18, 2018: Drug Research
https://www.readbyqxmd.com/read/29662431/the-neuroprotective-effects-of-thymoquinone-a-review
#16
Tahereh Farkhondeh, Saeed Samarghandian, Ali Mohammad Pourbagher Shahri, Fariborz Samini
Thymoquinone (TQ), one of the main components active of Nigella sativa , exhibited very useful biomedical effects such as anti-inflammatory, antioxidant, antimicrobial, antiparasitic, anticancer, hypoglycemic, antihypertensive, and antiasthmatic effects. There are several studies about pharmacological activities of TQ but its neuroprotection effects are not fully described. The literature search has indicated many studies pertaining to the effects of TQ in neurological problems such as epilepsy, parkinsonism, anxiety, and improvement of learning and memory, and so on...
April 2018: Dose-response: a Publication of International Hormesis Society
https://www.readbyqxmd.com/read/29659036/therapeutic-effect-of-thymoquinone-against-lead-induced-testicular-histological-damage-in-male-wistar-rats
#17
A Mabrouk
Lead (Pb) is a nonthreshold multi-targeted toxicant that causes alterations in different organs of the body, especially the gonads. This study was aimed to investigate the possible protective effect of thymoquinone (TQ), the major active ingredient of volatile oil of Nigella sativa seeds, against Pb-induced testicular histological damage. Adult male rats were randomised into four groups as follows: control group received no treatment, Pb group was exposed to 2000 ppm of Pb acetate in drinking water, Pb-TQ group was cotreated with Pb plus TQ (5 mg/kg/day, per os) and TQ group receiving only TQ...
April 16, 2018: Andrologia
https://www.readbyqxmd.com/read/29656006/par-4-dependent-p53-up-regulation-plays-a-critical-role-in-thymoquinone-induced-cellular-senescence-in-human-malignant-glioma-cells
#18
Karthikeyan Subburayan, Faisal Thayyullathil, Siraj Pallichankandy, Anees Rahman, Sehamuddin Galadari
Thymoquinone (TQ), the predominant bioactive constituent present in black cumin (Nigella sativa), exerts tumor suppressive activity against a wide variety of cancer cells. Cellular senescence, characterized by stable and long term loss of proliferative capacity, acts as a potent tumor suppressive mechanism. Here, we provide evidence for the first time that TQ suppresses growth of glioma cells by potentially inducing the expression of prostate apoptosis response-4 (Par-4) tumor suppressor protein. In turn, TQ-induced Par-4 expression triggers cellular senescence, as evidenced by increasing cellular size, β-galactosidase staining, G1 phase arrest, and increased expression of senescence markers such as p53, p21, Rb, and decreased expression of lamin B1, cyclin E and cyclin depended kinase-2 (CDK-2)...
April 12, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29651429/therapeutic-potential-of-thymoquinone-in-glioblastoma-treatment-targeting-major-gliomagenesis-signaling-pathways
#19
REVIEW
Fabliha Ahmed Chowdhury, Md Kamal Hossain, A G M Mostofa, Maruf Mohammad Akbor, Muhammad Shahdaat Bin Sayeed
Glioblastoma multiforme (GBM) is one of the most devastating brain tumors with median survival of one year and presents unique challenges to therapy because of its aggressive behavior. Current treatment strategy involves surgery, radiotherapy, immunotherapy, and adjuvant chemotherapy even though optimal management requires a multidisciplinary approach and knowledge of potential complications from both the disease and its treatment. Thymoquinone (TQ), the main bioactive component of Nigella sativa L., has exhibited anticancer effects in numerous preclinical studies...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29648463/protective-effect-of-thymoquinone-the-main-component-of-nigella-sativa-against-diazinon-cardio-toxicity-in-rats
#20
Gholam Hassan Danaei, Bahram Memar, Ramin Ataee, Mohammad Karami
Several studies have shown that oxidative stress and cell damage can occur at very early stages of diazinon (DZN) exposure. The present study was designed to determine the beneficial effect of thymoquinone (Thy), the main component of Nigella sativa (black seed or black cumin), against DZN cardio-toxicity in rats. In the present experimental study, 48 male Wistar rats were randomly divided into six groups: control (corn oil gavages), DZN gavages (20 mg/kg/day), Thy gavages (10 mg/kg/day) and Thy + DVN gavages (2...
April 12, 2018: Drug and Chemical Toxicology
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