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https://www.readbyqxmd.com/read/28157651/sesamin-imparts-neuroprotection-against-intrastriatal-6-hydroxydopamine-toxicity-by-inhibition-of-astroglial-activation-apoptosis-and-oxidative-stress
#1
Tourandokht Baluchnejadmojarad, Monireh Mansouri, Jamileh Ghalami, Zahra Mokhtari, Mehrdad Roghani
Parkinson's disease (PD) is one of the most prevalent neurodegenerative disorders in elders. Sesamin is a lignan compound and the active constituent of sesame oil with antioxidant and anti-inflammatory properties. This study was carried out to explore the mechanisms underlying sesamin effect against unilateral striatal 6-hydroxydopamine (6-OHDA) model of PD. Intrastriatal 6-OHDA-lesioned rats were pretreated with sesamin at doses of 10 or 20mg/kg/day for one week. Sesamin at a dose of 20mg/kg attenuated motor imbalance in narrow beam test, lowered striatal level of malondialdehyde (MDA) and reactive oxygen species (ROS), improved superoxide dismutase (SOD) activity, lowered striatal caspase 3 activity and α-synuclein expression, attenuated glial fibrillary acidic protein (GFAP) immunoreactivity, depressed nigral neuronal apoptosis, and prevented damage of dopaminergic neurons using tyrosine hydroxylase (TH) immunohistochemistry...
January 31, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28152041/differential-and-directional-estrogenic-signaling-pathways-induced-by-enterolignans-and-their-precursors
#2
Yun Zhu, Kayoko Kawaguchi, Ryoiti Kiyama
Mammalian lignans or enterolignans are metabolites of plant lignans, an important category of phytochemicals. Although they are known to be associated with estrogenic activity, cell signaling pathways leading to specific cell functions, and especially the differences among lignans, have not been explored. We examined the estrogenic activity of enterolignans and their precursor plant lignans and cell signaling pathways for some cell functions, cell cycle and chemokine secretion. We used DNA microarray-based gene expression profiling in human breast cancer MCF-7 cells to examine the similarities, as well as the differences, among enterolignans, enterolactone and enterodiol, and their precursors, matairesinol, pinoresinol and sesamin...
2017: PloS One
https://www.readbyqxmd.com/read/28105144/sesamin-attenuates-allergic-airway-inflammation-through-the-suppression-of-nuclear-factor-kappa-b-activation
#3
Liangchang Li, Hongmei Piao, Mingyu Zheng, Zhewu Jin, Liguang Zhao, Guanghai Yan
The aim of the present study is to determine the role of sesamin, the most abundant lignan in sesame seed oil, on the regulation of allergic airway inflammation in a murine asthma model. A BALB/c mouse model with allergic asthma was used to evaluate the effects of sesamin on nuclear factor-kappa B (NF-κB) activation. An enzyme-linked immunosorbent assay was used to determine protein expression in bronchoalveolar lavage (BAL) fluids. Hematoxylin and eosin staining was performed to examine histological changes...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28095736/development-of-multifunctional-foods
#4
Koji Yamada
Foods contain various biologically active substances with extent physiological effects. Among them, some substances, such as dietary fibers, polyunsaturated fatty acids, and antioxidants, exert multiple activities. In addition, combinational uses of some components, such as sesamin and α-tocopherol, enhance their biological effects each other. The expression of multiple effect leads to the production of multifunctional foods which prevent the occurrence of various diseases. Furthermore, synergic effects between biologically active substances allow us to decrease the dose of each component, which lead to the improvement of safety and reduction of production cost of multifunctional foods...
January 18, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28095362/in-vivo-modulation-of-lps-induced-leukotrienes-generation-and-oxidative-stress-by-sesame-lignans
#5
Puttaraju Srikantamurthy Yashaswini, Bettadahalli Sadashivaiah, Talahalli Ravichandra Ramaprasad, Sridevi Annapurna Singh
The role of inflammation and oxidative stress is critical during onset of metabolic disorders and this has been sufficiently established in literature. In the present study, we evaluated the effects of sesamol and sesamin, two important bioactive molecules present in sesame oil, on the generation of inflammatory and oxidative stress factors in LPS injected rats. Sesamol and sesamin lowered LPS induced expression of cPLA2 (61 and 56%), 5-LOX (44 and 51%), BLT-1(32 and 35%) and LTC4 synthase (49 and 50%), respectively, in liver homogenate...
December 29, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28040580/physiological-effects-of-%C3%AE-linolenic-acid-and-sesamin-on-hepatic-fatty-acid-synthesis-and-oxidation
#6
Takashi Ide, Haruka Iwase, Saaya Amano, Saki Sunahara, Ayuka Tachihara, Minako Yagi, Tsuyoshi Watanabe
Interrelated effects of γ-linolenic acid (GLA) and sesamin, a sesame lignan, on hepatic fatty acid synthesis and oxidation were examined. Rats were fed experimental diets supplemented with 0 or 2 g/kg sesamin (1:1 mixture of sesamin and episesamin) and containing 100 g/kg of palm oil (saturated fat), safflower oil rich in linoleic acid, or oil of evening primrose origin containing 43% GLA (GLA oil) for 18 days. In rats fed sesamin-free diets, GLA oil, compared with other oils, increased the activity and mRNA levels of various enzymes involved in fatty acid oxidation, except for some instances...
December 14, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27995494/effects-of-sesamin-on-chronic-stress-induced-anxiety-disorders-in-mice
#7
Ting Ting Zhao, Keon Sung Shin, Hyun Jin Park, Bo Ram Yi, Kyung Eun Lee, Myung Koo Lee
This study investigated the effects of (-)-sesamin on chronic electric footshock (EF) stress-induced anxiety disorders in mice. Mice were treated with (-)-sesamin (25 and 50 mg/kg) orally once a day for 21 days prior to exposure to EF stress (0.6 mA, 1 s every 5 s, 3 min). Mice treated with (-)-sesamin (25 and 50 mg/kg) exhibited less severe decreases in the number of open arm entries and time spent on open arms in the elevated plus-maze test and the distance traveled in the open field test following exposure to chronic EF stress...
December 19, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27991716/absorption-distribution-metabolism-and-excretion-of-14-c-sesamin-in-rats
#8
Namino Tomimori, Tomohiro Rogi, Hiroshi Shibata
SCOPE: Sesamin is a major lignan in sesame seeds and has various physiological effects. Although metabolism of sesamin by cytochrome P450 or intestinal microflora has been reported, little is known concerning the mass balance, pharmacokinetics and tissue distribution of sesamin. METHODS AND RESULTS: Absorption, distribution, metabolism and excretion of [(14) C]sesamin were investigated after a single oral dose of 5 mg/kg in rats. Sesamin was absorbed with peak plasma radioactivity at 1...
December 19, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27863411/sesamin-inhibits-il-1%C3%AE-stimulated-inflammatory-response-in-human-osteoarthritis-chondrocytes-by-activating-nrf2-signaling-pathway
#9
Pengyu Kong, Guanghua Chen, Anlong Jiang, Yufu Wang, Chengchao Song, Jinpeng Zhuang, Chunyang Xi, Guangxi Wang, Ye Ji, Jinglong Yan
Sesamin, a bioactive component extracted from sesame, has been reported to exert anti-inflammatory and anti-oxidant effects. In this study, we evaluated the anti-inflammatory effects of sesamin on IL-1β-stimulated human osteoarthritis chondrocytes and investigated the possible mechanism. Results demonstrated that sesamin treatment significantly inhibited PGE2 and NO production induced by IL-1β. Sesamin inhibited MMP1, MMP3, and MMP13 production in IL-1β-stimulated chondrocytes. Sesamin also inhibited IL-1β-induced phosphorylation of NF-κB p65 and IκBα...
November 15, 2016: Oncotarget
https://www.readbyqxmd.com/read/27789382/effects-of-sesamin-on-motor-and-memory-deficits-in-an-mptp-lesioned-mouse-model-of-parkinson-s-disease-treated-with-l-dopa
#10
T T Zhao, K S Shin, K S Kim, H J Park, H J Kim, K E Lee, M K Lee
The present study investigated the effects of (-)-sesamin on motor and memory deficits in a 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-lesioned mouse model of Parkinson's disease (PD) with l-3,4-dihydroxyphenylalanine (l-DOPA). MPTP-lesioned (30mg/kg/day, 5days) mice showed deficits in memory including habit learning memory and spatial memory, which were further aggravated by daily treatment with 25mg/kg l-DOPA for 21days. However, daily treatment with (-)-sesamin (25 and 50mg/kg) for 21days ameliorated memory deficits in an MPTP-lesioned mouse model of PD treated with l-DOPA (25mg/kg)...
December 17, 2016: Neuroscience
https://www.readbyqxmd.com/read/27717829/effects-of-sesamin-on-chronic-stress-induced-memory-deficits-in-mice
#11
Ting Ting Zhao, Keon Sung Shin, Hyun Jin Park, Kyung Sook Kim, Kung Eun Lee, Yoon Jeong Cho, Myung Koo Lee
This study investigated the effects of (-)-sesamin on memory deficits induced by chronic electric footshock (EF)-induced stress in mice. Mice were treated with (-)-sesamin (25 and 50mg/kg, p.o., daily for 21day) prior to chronic EF stress (0.6mA, 1s every 5s for 3min, daily for 21day). Transfer retention latencies in the elevated plus maze test and N-methyl-d-aspartate (NMDA) receptor (type 1) phosphorylation in the hippocampus increased with chronic EF stress, and they were reduced by treatment with (-)-sesamin at both doses...
October 4, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27693952/simultaneous-quantification-and-identification-of-flavonoids-lignans-coumarin-and-amides-in-leaves-of-zanthoxylum-armatum-using-uplc-dad-esi-qtof-ms-ms
#12
Vinod Bhatt, Sushila Sharma, Neeraj Kumar, Upendra Sharma, Bikram Singh
The current study presents isolation and characterization of twelve compounds including catechin (1), isovitexin (2), hesperidin (3), psoralin (4), eudesmin (5), kobusin (6), fargesin (7), sesamin (8), asarinin (9), planispine-A (10), α-sanshool (11) and vitexin (12), from the leaves of Zanthoxylum armatum. Further, two rapid and simple ultra performance liquid chromatography-diode array detection (UPLC-DAD) methods were developed for the simultaneous quantitative determination of isolated compounds from Z...
January 5, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27669218/synergistic-anticancer-effect-of-tocotrienol-combined-with-chemotherapeutic-agents-or-dietary-components-a-review
#13
REVIEW
Takahiro Eitsuka, Naoto Tatewaki, Hiroshi Nishida, Kiyotaka Nakagawa, Teruo Miyazawa
Tocotrienol (T3), unsaturated vitamin E, is gaining a lot of attention owing to its potent anticancer effect, since its efficacy is much greater than that of tocopherol (Toc). Various factors are known to be involved in such antitumor action, including cell cycle arrest, apoptosis induction, antiangiogenesis, anti-metastasis, nuclear factor-κB suppression, and telomerase inhibition. Owing to a difference in the affinity of T3 and Toc for the α-tocopherol transfer protein, the bioavailability of orally ingested T3 is lower than that of Toc...
September 22, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27664640/magnetic-solid-phase-extraction-based-on-graphene-oxide-for-the-determination-of-lignans-in-sesame-oil
#14
Linxia Wu, Li Yu, Xiaoxia Ding, Peiwu Li, Xianhong Dai, Xiaomei Chen, Haiyan Zhou, Yizhen Bai, Jian Ding
Graphene oxide was fabricated by a simple method and applied to magnetic solid-phase extraction. In a pretreatment procedure before the sesamol, sesamin and sesamolin in sesame oil were detected by high performance liquid chromatography. Several parameters affecting the extraction efficiency were investigated, including the type and volume of desorption solvent, desorption time and the amount of sorbent. Under the optimized conditions, the detection limits of sesamol, sesamin, and sesamolin were 0.05μg/g, 0...
February 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27632923/sesamin-ameliorates-hepatic-steatosis-and-inflammation-in-rats-on-a-high-fat-diet-via-lxr%C3%AE-and-ppar%C3%AE
#15
Ruijuan Zhang, Yan Yu, Senke Hu, Jinghua Zhang, Haixia Yang, Bei Han, Yue Cheng, Xiaoqin Luo
Nonalcoholic fatty liver disease (NAFLD) is defined by a nonalcohol relevant pathological accumulation of fat in the liver. Previous studies have shown that sesamin exerts antioxidant effects and improves lipid metabolism of the fatty liver. In this study, we hypothesized that sesamin improves lipid homeostasis of Sprague-Dawley rats fed a high-fat diet (HFD) by regulating the expression of genes related to de novo lipogenesis and β-oxidation. We induced NAFLD in rats with HFD and examined the effect of sesamin in vivo...
September 2016: Nutrition Research
https://www.readbyqxmd.com/read/27558960/determination-and-purification-of-sesamin-and-sesamolin-in-sesame-seed-oil-unsaponified-matter-using-reversed-phase-liquid-chromatography-coupled-with-photodiode-array-and-tandem-mass-spectrometry-and-high-speed-countercurrent-chromatography
#16
Miki Takahashi, Yuzo Nishizaki, Naoki Sugimoto, Hiroaki Takeuchi, Kazuya Nakagawa, Hiroshi Akiyama, Kyoko Sato, Koichi Inoue
In Asian countries, sesame seed oil unsaponified matter is used as a natural food additive due to its associated antioxidant effects. We determined and purified the primary lignans sesamin and sesamolin in sesame seed oil unsaponified matter using reversed-phase liquid chromatography coupled with photodiode array and tandem mass spectrometry and high-speed countercurrent chromatography. Calibration curves showed good correlation coefficients (r(2) > 0.999, range 0.08 and/or 0.15 to 5 μg/mL) with a limit of detection (at 290 nm) of 0...
October 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27450646/effect-of-sesamin-supplementation-on-glycemic-status-inflammatory-markers-and-adiponectin-levels-in-patients-with-type-2-diabetes-mellitus
#17
Majid Mohammad Shahi, Mehrnoosh Zakerzadeh, Mehrnoosh Zakerkish, Mehdi Zarei, Azadeh Saki
BACKGROUND: Sesamin is one of the most abundant lignans in sesame and has multiple functions and high values such as antioxidative effect and promoting-immunity function. The aim of this study was to evaluate the effects of sesamin supplementation on glycemic status, serum levels of inflammatory markers and adiponectinin patients with type 2 diabetes mellitus. MATERIAL AND METHODS: Forty-eight patients with type 2 diabetes participated in this double-blind, randomized, placebo-controlled clinical trial...
July 22, 2016: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27444012/discovery-of-a-sesamin-metabolizing-microorganism-and-a-new-enzyme
#18
Takuto Kumano, Etsuko Fujiki, Yoshiteru Hashimoto, Michihiko Kobayashi
Sesamin is one of the major lignans found in sesame oil. Although some microbial metabolites of sesamin have been identified, sesamin-metabolic pathways remain uncharacterized at both the enzyme and gene levels. Here, we isolated microorganisms growing on sesamin as a sole-carbon source. One microorganism showing significant sesamin-degrading activity was identified as Sinomonas sp. no. 22. A sesamin-metabolizing enzyme named SesA was purified from this strain and characterized. SesA catalyzed methylene group transfer from sesamin or sesamin monocatechol to tetrahydrofolate (THF) with ring cleavage, yielding sesamin mono- or di-catechol and 5,10-methylenetetrahydrofolate...
August 9, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27400672/ex-vivo-model-exhibits-protective-effects-of-sesamin-against-destruction-of-cartilage-induced-with-a-combination-of-tumor-necrosis-factor-alpha-and-oncostatin-m
#19
Manatsanan Khansai, Kanchanit Boonmaleerat, Peraphan Pothacharoen, Thanyaluck Phitak, Prachya Kongtawelert
BACKGROUND: Rheumatoid arthritis (RA) is an autoimmune disease associated with chronic inflammatory arthritis. TNF-α and OSM are pro-inflammatory cytokines that play a key role in RA progression. Thus, reducing the effects of both cytokines is practical in order to relieve the progression of the disease. This current study is interested in sesamin, an active compound in sesame seeds. Sesamin has been shown to be a chondroprotective agent in osteoarthritis models. Here, we have evaluated a porcine cartilage explant as a cartilage degradation model related to RA induced by TNF-α and/or OSM in order to investigate the effects of sesamin on TNF-α and OSM in the cartilage degradation model...
July 11, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27373319/isolation-of-a-new-%C3%AE-carboline-alkaloid-from-aerial-parts-of-triclisia-sacleuxii-and-its-antibacterial-and-cytotoxicity-effects
#20
Fidelis Samita, Charles Otieno Ochieng, Philip Okinda Owuor, Lawrence Onyango Arot Manguro, Jacob Ogweno Midiwo
A new β-carboline alkaloid named sacleuximine A (1) together with known compounds palmatine (2), isotetrandrine (3), trans-N-feruloyltyramine (4), trans-N-caffeoyltyramine (5), yangambin (6), syringaresinol (7), sesamin (8), (+) epi-quercitol (9), 4-hydroxybenzaldehyde (10), β-sitosterol (11), quercetin 3-O-rutinoside (12) and myricetin 3-O-β-glucose (1→6) α-rhamnoside (13) have been isolated from methanol extract of Triclisia sacleuxii aerial parts. Compounds 1-10 were evaluated for their cytotoxicity against human adenocarcinoma (HeLa), human hepatocarcinoma (Hep3B) and human breast carcinoma (MCF-7) cells lines and also for antibacterial activities against both Gram-positive and Gram-negative bacteria...
March 2017: Natural Product Research
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