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https://www.readbyqxmd.com/read/29149547/engineering-escherichia-coli-co-cultures-for-production-of-curcuminoids-from-glucose
#1
Zhen Fang, J Andrew Jones, Jingwen Zhou, Mattheos A G Koffas
Curcuminoids have attracted increasing attention because of the antioxidant, anticancer, and antitumor activities while their production is limited because of its main source, turmeric plant, demonstrates extensive seasonal variation. In this study, we constructed Escherichia coli co-culture system for the rapid production of curcuminoids from glucose. Firstly, the overexpression of curcuminoid synthase and four different strategies related to increasing the intracellular malonyl-CoA pool were conducted in engineered E...
November 17, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/29146529/inhibitory-effect-of-the-extract-of-rhizome-of-curcuma-longa-l-in-gelatinase-activity-and-its-effect-on-human-skin
#2
Keiko Muta, Shinji Inomata, Tadao Fukuhara, Junko Nomura, Toshio Nishiyama, Yoh-Ichi Tagawa, Satoshi Amano
Exposure to UV radiation to human skin up-regulates the synthesis of matrix metalloproteinase (MMP) family. Gelatinases are member of MMPs which have been suggested to play an important role in photoaging such as wrinkle formation. To inhibit gelatinase activity is regarded to be very important to keep healthy skin and to protect wrinkle formation. On the other hand, anti-photoaging agents are expected to be derived from natural resources, especially plants. Plant extracts having gelatinase-inhibitory effect that might be used as safe anti-photoaging ingredient were widely screened...
November 13, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/29142426/in-silico-and-in-vitro-anticancer-activity-of-isolated-novel-marker-compound-from-chemically-modified-bioactive-fraction-from-curcuma-longa-nccl
#3
Arshi Naqvi, Richa Malasoni, Swati Gupta, Akansha Srivastava, Rishi R Pandey, Anil Kumar Dwivedi
Background: Turmeric (Curcuma longa) is reported to possess wide array of biological activities. Herbal Medicament (HM) is a standardized hexane-soluble fraction of C. longa and is well known for its neuroprotective effect. Objective: In this study, we attempted to synthesize a novel chemically modified bioactive fraction from HM (NCCL) along with isolation and characterization of a novel marker compound (I). Materials and Methods: NCCL was prepared from HM...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142162/chloroform-extract-of-turmeric-inhibits-biofilm-formation-eps-production-and-motility-in-antibiotic-resistant-bacteria
#4
Sumreen Hayat, Anjum N Sabri, Timothy D McHugh
In the form of biofilms, bacteria exhibit more resistance to antibiotics. Biofilm formers can withstand severe conditions and the host's defense system. Therefore, it is necessary to search for effective biofilm inhibitors. In this study, we investigated the effect of a chloroform extract of turmeric on biofilm formation against antibiotic resistant bacteria. The extract exhibited its antibiofilm effect by altering adherence, motility, extracellular polymeric substance (EPS) production and cell surface hydrophobicity; important attributes of biofilm formation...
November 15, 2017: Journal of General and Applied Microbiology
https://www.readbyqxmd.com/read/29141538/curcumin-a-natural-pan-hdac-inhibitor-in-cancer
#5
Sara Saffar Soflaei, Amir Abbas Momtazi, Muhammed Majeed, Giuseppe Derosa, Pamela Maffioli, Amirhossein Sahebkar
BACKGROUND: Histone deacetylases (HDACs) are a group of histone modification enzymes with pivotal role in disease pathogenesis especially in cancer development. Increased activity of certain types of HDACs and positive effects of HDAC inhibition has been shown in several types of cancers. Furthermore, few HDAC inhibitors have been approved by the FDA for cancer treatment, and this has generated interest in finding new HDAC inhibitors as potential anti-cancer agents. Curcumin, a natural polyphenol extracted from turmeric, is a safe and bioactive phytochemical with a wide range of molecular targets and pharmacological activities including promising anti-cancer properties...
November 14, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29126713/turmeric-curcuma-longa-mirnas-and-their-regulating-targets-are-involved-in-development-and-secondary-metabolite-pathways
#6
Noopur Singh, Ashok Sharma
Turmeric has been used as a therapeutic herb over centuries in traditional medicinal systems due to the presence of several secondary metabolite compounds. microRNAs are known to regulate gene expression at the post-transcriptional level by transcriptional cleavage or translation repression. miRNAs have been demonstrated to play an active role in secondary metabolism regulation. The present work was focused on the identification of the miRNAs involved in the regulation of secondary metabolite and development process of turmeric...
November 7, 2017: Comptes Rendus Biologies
https://www.readbyqxmd.com/read/29115448/mapks-and-nf%C3%A2-%C3%AE%C2%BAb-pathway-inhibitory-effect-of-bisdemethoxycurcumin-on-phorbol%C3%A2-12%C3%A2-myristate%C3%A2-13%C3%A2-acetate-and-a23187%C3%A2-induced-inflammation-in-human-mast-cells
#7
Ryong Kong, Ok-Hwa Kang, Yun-Soo Seo, Tian Zhou, Sang-A Kim, Dong-Won Shin, Dong-Yeul Kwon
Inflammation‑associated damage may occur in any tissue following infection, exposure to toxins, following ischemia, and in allergic and auto‑immune reactions. Inflammation may also result from mast cell degranulation induced by the intracellular calcium concentration. The inflammatory process may be inhibited by compounds that affect mast cells. Bisdemethoxycurcumin [1,7‑bis(4‑hydroxyphenyl) hepta‑1,6‑diene‑3,5‑dione, BDCM] is the active component of turmeric. It has anticancer, antioxidant and antibacterial properties...
October 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29114108/therapeutic-effects-of-curcumin-on-ultrasonic-morphological-characteristics-of-liver-in-patients-with-metabolic-syndrome
#8
Senada Selmanovic, Azijada Beganlic, Nizama Salihefendic, Farid Ljuca, Albina Softic, Elvisa Smajic
Introduction: Metabolic syndrome (METS) represent a simultaneous presence of multiple metabolic disorders in one person. Prevalence is increasing worldwide, which is probably related to increased obesity and sedentary lifestyle. Non-alcoholic steatosis or "fatty liver" is a metabolic disease caused by fat dysfunction. It can be a sign of some other disease, and can often be found in patients with metabolic disorders. Ultrasound is an acceptable method for the identification of fatty steatosis...
September 2017: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/29113871/oxidative-stress-and-dietary-phytochemicals-role-in-cancer-chemoprevention-and-treatment
#9
Shireen Chikara, Lokesh Dalasanur Nagaprashantha, Jyotsana Singhal, David Horne, Sanjay Awasthi, Sharad S Singhal
Several epidemiological observations have shown an inverse relation between consumption of plant-based foods, rich in phytochemicals, and incidence of cancer. Phytochemicals, secondary plant metabolites, via their antioxidant property play a key role in cancer chemoprevention by suppressing oxidative stress-induced DNA damage. In addition, they modulate several oxidative stress-mediated signaling pathways through their anti-oxidant effects, and ultimately protect cells from undergoing molecular changes that trigger carcinogenesis...
November 4, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29102796/extraction-of-curcuminoids-by-using-ethyl-lactate-and-its-optimisation-by-response-surface-methodology
#10
Angelo Antonio D'Archivio, Maria Anna Maggi, Fabrizio Ruggieri
Response surface methodology (RSM) was applied to optimise the extraction of curcuminoids (curcumin, demethoxycurcumin and bisdemethoxycurcumin) from turmeric using ethyl lactate (EL), ethanol and water under mild conditions (magnetic stirring at room temperature). An augmented simplex-centroid mixture design was used to monitor the dependence of the extraction efficiency from the proportions of the three solvents in the extraction medium. HPLC was used to establish the content of curcuminoids in turmeric and in the extracts...
November 1, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29102767/curcuzedoalide-contributes-to-the-cytotoxicity-of-curcuma-zedoaria-rhizomes-against-human-gastric-cancer-ags-cells-through-induction-of-apoptosis
#11
Eun Bee Jung, Tuy An Trinh, Tae Kyoung Lee, Noriko Yamabe, Ki Sung Kang, Ji Hoon Song, Sungyoul Choi, Sanghyun Lee, Tae Su Jang, Ki Hyun Kim, Gwi Seo Hwang
ETHNOPHARMACOLOGICAL RELEVANCE: Curcuma zedoaria Roscoe (Zingiberaceae), also known as white turmeric or zedoaria, has been used in Ayurveda and traditional Chinese medicine to treat various cancers, and it possesses several sesquiterpenoid compounds. OBJECTIVE: This study aimed to evaluate the therapeutic effects of a methanolic (MeOH) extract of C. zedoaria rhizomes, as well as its active constituents, against gastric cancer, which is a frequently diagnosed cancer in South Korea...
November 2, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29097552/the-anti-inflammatory-activity-of-curcumin-is-mediated-by-its-oxidative-metabolites
#12
Rebecca L Edwards, Paula B Luis, Paolo V Varuzza, Akil I Joseph, Sai Han Presley, Rupesh Chaturvedi, Claus Schneider
The spice turmeric, with its active polyphenol curcumin, has been used as anti-inflammatory remedy in traditional Asian medicine for centuries. Many cellular targets of curcumin have been identified, but how such a wide range of targets can be affected by a single compound is unclear. Here, we identified curcumin as a pro-drug that requires oxidative activation into reactive metabolites to exert anti-inflammatory activities. Synthetic curcumin analogs that undergo oxidative transformation potently inhibited the proinflammatory transcription factor nuclear factor kappa B (NF-κB), whereas stable, nonoxidizable analogs were less active, with a correlation coefficient (R(2)) of IC50 versus log of autoxidation rate of 0...
November 2, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29095653/curcuma-longa-turmeric-for-prevention-of-capecitabine-induced-hand-foot-syndrome-a-pilot-study
#13
Vanessa Armenio Scontre, Janine Capobiango Martins, Claudia Vaz de Melo Sette, Haila Mutti, Daniel Cubero, Fernando Fonseca, Auro Del Giglio
Hand-foot syndrome (HFS) is common and frequently occurs in the first cycle of treatment in approximately 40% to 50% of patients who receive capecitabine. Turmeric (Curcuma longa) is a plant used in Ayurvedic medicine with clinical activity in various inflammatory conditions. Our objective was to evaluate whether turmeric was active for the prevention of capecitabine-induced HFS. We included patients older than 18 years of age without previous exposure to capecitabine who were scheduled to receive this medication...
November 2, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29081818/curcumin-induces-autophagy-apoptosis-and-cell-cycle-arrest-in-human-pancreatic-cancer-cells
#14
Yaping Zhu, Shurui Bu
OBJECTIVE: Curcumin is an active extract from turmeric. The aim of this study was to identify the underlying mechanism of curcumin on PCa cells and the role of autophagy in this process. METHODS: The inhibitory effect of curcumin on the growth of PANC1 and BxPC3 cell lines was detected by CCK-8 assay. Cell cycle distribution and apoptosis were tested by flow cytometry. Autophagosomes were tested by cell immunofluorescence assay. The protein expression was detected by Western blot...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29080464/curcumin-and-endometriosis-review-on-potential-roles-and-molecular-mechanisms
#15
REVIEW
Tahereh Arablou, Roya Kolahdouz-Mohammadi
Endometriosis, an estrogen-dependent inflammatory disease, is one of the most common chronic gynecological disorders affecting women in reproductive age. It is characterized by the presence of endometrial-like tissue outside the uterus. The exact pathophysiology of endometriosis is not still well-known, but the immune system and inflammation have been considered as pivotal factors in disease progression. Turmeric, an important spice all around the world, is obtained from the rhizomes of Curcuma longa, a member of the Zingiberaceae family...
October 25, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29079885/therapeutic-potential-of-curcumin-for-multiple-sclerosis
#16
Munibah Qureshi, Ebtesam A Al-Suhaimi, Fazli Wahid, Omer Shehzad, Adeeb Shehzad
Multiple sclerosis (MS) is a chronic autoimmune inflammatory disease of the central nervous system (CNS), characterized by demyelination, neuronal injury, and breaching of the blood-brain barrier (BBB). Epidemiological studies have shown that immunological, genetic, and environmental factors contribute to the progression and development of MS. T helper 17 (Th17) cells are crucial immunological participant in the pathophysiology of MS. The aberrant production of IL-17 and IL-22 by Th17 cells crosses BBB promotes its disruption and interferes with transmission of nerve signals through activation of neuroinflammation in the CNS...
October 27, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/29074414/non-adrenergic-vasoconstriction-and-vasodilatation-of-guinea-pig-aorta-by-%C3%AE-phenylethylamine-and-amphetamine-role-of-nitric-oxide-determined-with-l-name-and-no-scavengers
#17
Kenneth J Broadley, Harrison D Broadley
Sympathomimetic and trace amines, including β-phenylethylamine (PEA) and amphetamine, increase blood pressure and constrict isolated blood vessels. By convention this is regarded as a sympathomimetic response, however, recent studies suggest trace amine-associated receptor (TAAR) involvement. There is also uncertainty whether these amines also release nitric oxide (NO) causing opposing vasodilatation. These questions were addressed in guinea-pig isolated aorta, a species not previously examined. Guinea-pig aortic rings were set up to measure contractile tension...
October 23, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29070088/effect-of-turmeric-on-the-viability-ovarian-folliculogenesis-fecundity-ovarian-hormones-and-response-to-luteinizing-hormone-of-rabbits
#18
A V Sirotkin, A Kadasi, A Stochmalova, A Balazi, M Földesiová, P Makovicky, P Chrenek, A H Harrath
The present study investigated whether dietary turmeric (Curcuma longa L.) can improve rabbit reproduction, ovarian function, growth, or viability. Female New Zealand White rabbits were either fed a standard diet (n=15) or a diet enriched with 5 g (group E1) or 20 g (group E2) turmeric powder per 100 kg feed mixture (n=16 or 15, respectively). After 295 days, weight gain, conception and kindling rates, pup and mother viability, ovarian macro- and micro-morphometric indices, release of leptin in response to the addition LH, and the release of progesterone, testosterone and leptin by isolated ovarian fragments were analyzed...
October 26, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29065496/curcumin-a-review-of-its-effects-on-human-health
#19
REVIEW
Susan J Hewlings, Douglas S Kalman
Turmeric, a spice that has long been recognized for its medicinal properties, has received interest from both the medical/scientific world and from culinary enthusiasts, as it is the major source of the polyphenol curcumin. It aids in the management of oxidative and inflammatory conditions, metabolic syndrome, arthritis, anxiety, and hyperlipidemia. It may also help in the management of exercise-induced inflammation and muscle soreness, thus enhancing recovery and performance in active people. In addition, a relatively low dose of the complex can provide health benefits for people that do not have diagnosed health conditions...
October 22, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29055920/curcumin-in-hepatobiliary-disease-pharmacotherapeutic-properties-and-emerging-potential-clinical-applications
#20
Robert W Hu, Elizabeth J Carey, Keith D Lindor, James H Tabibian
Curcumin, an aromatic phytoextract from the turmeric (Curcuma longa) rhizome, has been used for centuries for a variety of purposes, not the least of which is medicinal. A growing body of evidence suggests that curcumin has a broad range of potentially therapeutic pharmacological properties, including anti-inflammatory, anti-fibrotic, and anti-neoplastic effects, among others. Clinical applications of curcumin have been hampered by quality control concerns and limited oral bioavailability, although novel formulations appear to have largely overcome these issues...
October 16, 2017: Annals of Hepatology
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