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Lactate AND Astaxanthine

Hidemi Fujino, Hiroyo Kondo, Miho Kanazashi, Ryosuke Nakanishi, Masayuki Tanaka, Akihiko Ishihara
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
Tshering Dolma, Reena Mukherjee, B K Pati, U K De
The purpose of the study was to determine the immunotherapeutic effect of astaxanthin (AX) on total clinical score (TCS), C-reactive protein (CRP), and neutrophil : lymphocyte ratio in mice mastitis model challenged with pathogenic Staphylococcus aureus. Twenty-four lactating mice were divided in 4 equal groups: group I mice served as normal healthy control, group II, positive control, were challenged with pathogenic S. aureus, group III mice were challenged and treated with AX, and group IV were treated with amoxicillin plus sulbactum...
2014: Journal of veterinary medicine
X Wen, A Huang, J Hu, Z Zhong, Y Liu, Z Li, X Pan, Z Liu
Oxidative stress (OS) mediated the pathogenesis of Alzheimer's disease (AD). Astaxanthin (ATX) has been reported to exert antioxidant activities as well as neuroprotective effects in vivo and in vitro. But it is still unknown whether the Akt/glycogen synthase kinase-3β (GSK-3β) signaling mediated the neuroprotective effect of ATX in HT22 cells. Flow cytometric analysis was used to evaluate reactive oxygen species (ROS) generation. Caspase and PARP activity was measured. The expressions of heme oxygenase-1 (HO-1), nuclear factor-E2-related factor 2 (Nrf2), Bcl-2, Bax, apoptosis-inducing factor (AIF), cytochrome-c (Cyto-c), p-Akt and p-GSK-3β were evaluated to elucidate the underlying mechanism...
September 10, 2015: Neuroscience
Liping Zhou, Min Gao, Zhiming Xiao, Juan Zhang, Xiangmin Li, Aimin Wang
BACKGROUND: Astaxanthin, a xanthophyll carotenoid, holds exceptional promise as an antioxidant, anti-inflammatory, and anticancer agent. No evidence has been published whether it has protective effects on sepsis. The study aimed to investigate the potential effects of astaxanthin on sepsis and multiple organ dysfunctions. MATERIALS AND METHODS: Sepsis was induced by cecal ligation and puncture (CLP) in Sprague-Dawley rats. Animals subjected to CLP and sham-operated control rats were given vehicle or astaxanthin 100 mg/kg/d by oral gavage for 7 d before the operation...
May 15, 2015: Journal of Surgical Research
Hasan Turkez, Fatime Geyikoglu, Mokhtar I Yousef, Basak Togar, Hasan Gürbüz, Kubra Celik, Giray B Akbaba, Zuhal Polat
The purpose of this study was to evaluate the effect of carotenoid astaxanthin (ASTA) on cultured primary rat hepatocytes treated with 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on the cell viability (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide, MTT), lactate dehydrogenase (LDH) activity, 8-oxo-2-deoxyguanosine (8-OH-dG), total antioxidant capacity (TAC), and total oxidative stress (TOS) levels, and liver micronucleus rates. ASTA (2.5, 5, and 10 µM) was added to cultures alone or simultaneously with TCDD (5 and 10 µM) for 48 h...
March 2014: Toxicology and Industrial Health
D-M Kim, S-S Hyun, P Yun, C-H Lee, S-Y Byun
In this study, oil-in-water nanoemulsions of astaxanthin were prepared by high-pressure homogenization. The influence of emulsifying conditions including emulsifier type, concentration, passing time, astaxanthin concentration and coantioxidants were optimized. The stabilities of nanoemulsions were measured using zetasizer, FF-SEM, TEM, colorimeter and particle size analyzer. The mean diameter of the dispersed particles containing astaxanthin ranged from 160 to 190 nm. The size distribution was unimodal and extended from 100 to 200 nm...
February 2012: International Journal of Cosmetic Science
Kung-chi Chan, Mei-chin Mong, Mei-chin Yin
Nerve growth factor differentiated PC12 cells were used to examine the antioxidative and anti-inflammatory effects of astaxanthin (AX) and canthaxanthin (CX). PC12 cells were pretreated with AX or CX at 10 or 20 muM, and followed by exposure of hydrogen peroxide (H(2)O(2)) or 1-methyl-4-phenylpyridinium ion (MPP(+)) to induce cell injury. H(2)O(2) or MPP(+) treatment significantly decreased cell viability, increased lactate dehydrogenase (LDH) release, enhanced DNA fragmentation, and lowered mitochondrial membrane potential (MMP) (P < 0...
September 2009: Journal of Food Science
Mayumi Ikeuchi, Tomoyuki Koyama, Jiro Takahashi, Kazunaga Yazawa
The present study was designed to determine the effect of astaxanthin on endurance capacity in male mice aged 4 weeks. Mice were given orally either vehicle or astaxanthin (1.2, 6, or 30 mg/kg body weight) by stomach intubation for 5 weeks. The astaxanthin group showed a significant increase in swimming time to exhaustion as compared to the control group. Blood lactate concentration in the astaxanthin groups was significantly lower than in the control group. In the control group, plasma non-esterfied fatty acid (NEFA) and plasma glucose were decreased by swimming exercise, but in the astaxanthin group, NEFA and plasma glucose were significantly higher than in the control group...
October 2006: Biological & Pharmaceutical Bulletin
K B Hansen, A H Tauson, J Inborr
The study comprised two parts. Firstly, the effects of dietary supplementation with an algal meal (Novasta) with a high astaxanthin content on ovulation rate (number of corpora lutea, implantation rate, number, mass and length of fetuses) of breeding female mink were evaluated. Secondly, reproductive outcome (number of live and stillborn kits), kit growth rate and milk intake were studied. Both studies were performed on standard brown female mink (n = 20; control (n = 10) and experimental (n = 10)) housed under conventional farm conditions...
2001: Journal of Reproduction and Fertility. Supplement
I O'Connor, N O'Brien
The ability of beta-carotene, lutein or astaxanthin to protect against UVA-induced oxidative stress in rat kidney fibroblasts (NRK) was assessed. Activities of the antioxidant enzymes catalase (CAT) and superoxide dismutase (SOD), and changes in thiobarbituric acid reactive substances (TBARS) were measured as indices of oxidative stress. Exposure to UVA light at a dose intensity of 5.6 mW/cm2 for 4 h resulted in a significant decrease in CAT and SOD activities and a significant increase in TBARS. No cytotoxicity, as indicated by lactate dehydrogenase (LDH) release, was observed...
March 1998: Journal of Dermatological Science
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