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Lipid peroxidation

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https://www.readbyqxmd.com/read/28448589/morpho-physiological-analysis-of-tolerance-to-aluminum-toxicity-in-rice-varieties-of-north-east-india
#1
Jay Prakash Awasthi, Bedabrata Saha, Preetom Regon, Smita Sahoo, Umakanta Chowra, Amit Pradhan, Anupam Roy, Sanjib Kumar Panda
Aluminum (Al) is the third most abundant metal in earth crust, whose chemical form is mainly dependent on soil pH. The most toxic form of Al with respect to plants is Al3+, which exists in soil pH <5. Acidic soil significantly limits crop production mainly due to Al3+ toxicity worldwide, impacting approximately 50% of the world's arable land (in North-Eastern India 80% soil are acidic). Al3+ toxicity in plants ensues root growth inhibition leading to less nutrient and water uptake impacting crop productivity as a whole...
2017: PloS One
https://www.readbyqxmd.com/read/28448545/vitamin-d3-induced-hypercalcemia-increases-carbon-tetrachloride-induced-hepatotoxicity-through-elevated-oxidative-stress-in-mice
#2
Hiroki Yoshioka, Haruki Usuda, Nobuhiko Miura, Nobuyuki Fukuishi, Tsunemasa Nonogaki, Satomi Onosaka
The aim of this study was to determine whether calcium potentiates acute carbon tetrachloride (CCl4) -induced toxicity. Elevated calcium levels were induced in mice by pre-treatment with cholecalciferol (vitamin D3; V.D3), a compound that has previously been shown to induce hypercalcemia in human and animal models. As seen previously, mice injected with CCl4 exhibited increased plasma levels of alanine aminotransferase, aspartate aminotransferase, and creatinine; transient body weight loss; and increased lipid peroxidation along with decreased total antioxidant power, glutathione, ATP, and NADPH...
2017: PloS One
https://www.readbyqxmd.com/read/28447714/resveratrol-protects-against-oxidized-low%C3%A2-density-lipoprotein%C3%A2-induced-human-umbilical-vein-endothelial-cell-apoptosis-via-inhibition-of-mitochondrial%C3%A2-derived-oxidative-stress
#3
Yujie Liu, Xizhou Chen, Jie Li
Resveratrol, a natural phytochemical found in grapes and red wine, has been found to possess protective effects against endothelial cell apoptosis and oxidative damage. Oxidized‑low density lipoprotein (ox‑LDL) can induce apoptosis of endothelial cells, which is an important initial event in several cardiovascular diseases. However, the effect of resveratrol on ox‑LDL‑induced apoptosis and oxidative damage, and the possible associated mechanisms remain to be elucidated. In the present study, following exposure to ox‑LDL, human umbilical vein endothelial cells (HUVECs) were treated with or without resveratrol...
March 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447517/hepatoprotective-potential-of-phyllanthus-muellarianus-leaf-extract-studies-on-hepatic-oxidative-stress-and-inflammatory-biomarkers
#4
Taofeek O Ajiboye, Fatimah M Ahmad, Airat O Daisi, Aminat A Yahaya, Oluwayemisi B Ibitoye, Hamdalat F Muritala, Taofik O Sunmonu
CONTEXT: Leaves of Phyllanthus muellarianus (Kuntze) Exell. (Euphorbiacea) are widely used in the management of liver disorders in Nigeria. However, no there is no scientific validation to support this use. OBJECTIVE: Hepatoprotective effect of Phyllanthus muellarianus aqueous leaf extract was investigated in acetaminophen-induced liver injury mice. MATERIALS AND METHODS: Hepatoprotective effect of Phyllanthus muellarianus aqueous leaf extract was evaluated in acetaminophen-induced hepatic damage in Swiss albino mice using biomarkers of hepatocellular indices, oxidative stress, proinflammatory factors and lipid peroxidation...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28447506/anti-inflammatory-and-gastroprotective-potential-of-leaf-essential-oil-of-cinnamomum-glanduliferum-in-ethanol-induced-rat-experimental-gastritis
#5
Samar S Azab, Gehad A Abdel Jaleel, Omayma A Eldahshan
CONTEXT: Nothing could be found in the literature concerning Cinnamomum glanduliferum (Wall) Meissn (Lauraceae) bark (CG) in Egypt. OBJECTIVE: To investigate CG volatile oil chemically and its anti-inflammatory and gastroprotective effects. MATERIALS AND METHODS: Essential oils were investigated by GC-MS. Leaves oil was assessed at doses of 250, 500 and 1000 mg/kg for its anti-inflammatory effect against carrageenan-induced rat oedema model...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28447384/alpha-lipoic-acid-an-inimitable-feed-supplement-for-poultry-nutrition
#6
REVIEW
M Sohaib, F M Anjum, M Nasir, F Saeed, M S Arshad, S Hussain
Alpha-lipoic acid (ALA) is a multifunction antioxidant that is produced in small amount by cells as well as its dietary provision facilitates fatty acid mobilization, energy expenditure as well as can scavenge free radicals in poultry birds. It exists in oxidized as well as reduced form, characterized by growth promoting, anti-inflammatory, antioxidative, immunostimulatory, and hypocholesterolemic properties when fed as dietary supplement to farm animals particularly chicken birds. Recently, several studies reported that dietary supplementation of ALA can influence growth performance indicators, immunological, biochemical characteristics, lipid metabolism, and oxidative stress as well as increase antioxidant potential and storability of poultry meat and meat products...
April 26, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28447122/an-overview-of-the-role-of-lipid-peroxidation-derived-4-hydroxynonenal-in-osteoarthritis
#7
REVIEW
Jamilah Abusarah, Mireille Bentz, Houda Benabdoune, Patricia Elsa Rondon, Qin Shi, Julio C Fernandes, Hassan Fahmi, Mohamed Benderdour
BACKGROUND: Over the years, many theories have been proposed and examined to better explain the etiology and development of osteoarthritis (OA). The characteristics of joint destruction are one of the most important aspects in disease progression. Therefore, investigating different factors and signaling pathways involved in the alteration of extracellular matrix (ECM) turnover, and the subsequent catabolic damage to cartilage holds chief importance in understanding OA development. Among these factors, reactive oxygen species (ROS) have been at the forefront of the physiological and pathophysiological OA investigation...
April 26, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28446800/oxidative-stress-evoked-damages-on-rat-sperm-and-attenuated-antioxidant-status-on-consumption-of-aspartame
#8
I Ashok, P S Poornima, D Wankhar, R Ravindran, R Sheeladevi
Although several studies on toxic effect of aspartame metabolite have been studied, controversial reports over the use of aspartame owing to the fact that it releases methanol as one of its metabolite during metabolism exist. This present study is proposed to investigate whether aspartame (40 mg kg(-1) b.wt) administration for 90 days could induce oxidative stress and alter antioxidant status of epididymal sperm in Wistar strain male albino rats. To mimic the human methanol metabolism, methotrexate (MTX)-treated rats were included to study the effects of aspartame...
April 27, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/28446133/prevention-and-reversal-of-selenite-induced-cataracts-by-n-acetylcysteine-amide-in-wistar-rats
#9
Yasaswi Maddirala, Shakila Tobwala, Humeyra Karacal, Nuran Ercal
BACKGROUND: The present study sought to evaluate the efficacy of N-acetylcysteine amide (NACA) eye drops in reversing the cataract formation induced by sodium selenite in male Wistar rat pups. METHODS: Forty male Wistar rat pups were randomly divided into a control group, an N-acetylcysteine amide-only group, a sodium selenite-induced cataract group, and a NACA-treated sodium selenite-induced cataract group. Sodium selenite was injected intraperitoneally on postpartum day 10, whereas N-acetylcysteine amide was injected intraperitoneally on postpartum days 9, 11, and 13 in the respective groups...
April 26, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28445445/cardioprotective-effects-of-malvidin-against-isoproterenol-induced-myocardial-infarction-in-rats-a-mechanistic-study
#10
Hui Wei, Hui Li, Shu-Ping Wan, Qiu-Tang Zeng, Long-Xian Cheng, Li-Li Jiang, Yu-Dong Peng
BACKGROUND Malvidin (alvidin-3-glucoside) is a polyphenol that belongs to the class of natural anthocyanin, which is abundantly found in red wines, colored fruits, and the skin of red grapes. Therefore, the current investigation was intended to evaluate the effect of malvidin against myocardial infarction induced by isoproterenol in the rats. MATERIAL AND METHODS The cardioprotective effects was assessed by determining the effect of malvidin on the activities of endogenous antioxidants - catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidase (GSH) - and on the levels of lipid peroxidation and serum marker enzymes...
April 26, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28444733/hybridization-increases-mitochondrial-production-of-reactive-oxygen-species-in-sunfish
#11
Sherry N N Du, Fariborz Khajali, Neal J Dawson, Graham R Scott
Mitochondrial dysfunction and oxidative stress have been suggested to be possible mechanisms underlying hybrid breakdown, as a result of mito-nuclear incompatibilities in respiratory complexes of the electron transport system. However, it remains unclear whether hybridization increases the production of reactive oxygen species (ROS) by mitochondria. We used high-resolution respirometry and fluorometry on isolated liver mitochondria to examine mitochondrial physiology and ROS emission in naturally occurring hybrids of pumpkinseed (Lepomis gibbosus) and bluegill (L...
April 26, 2017: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/28442719/chlamydia-trachomatis-neither-exerts-deleterious-effects-on-spermatozoa-nor-impairs-male-fertility
#12
Jenniffer Puerta Suarez, Leonardo R Sanchez, Florencia C Salazar, Hector A Saka, Rosa Molina, Andrea Tissera, Virginia E Rivero, Walter D Cardona Maya, Ruben D Motrich
Chlamydia trachomatis is the most prevalent sexually transmitted bacterial infection. However, whether Chlamydia trachomatis has a negative impact on sperm quality and male fertility is still controversial. Herein, we report the effects on sperm quality of the in vitro exposure of spermatozoa to Chlamydia trachomatis, and also the effects of male genital infection on male fertility using an animal model. Human and mouse sperm were obtained from healthy donors and cauda epididimys from C57BL/6 mice, respectively...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28442639/astaxanthin-increases-progesterone-production-in-cultured-bovine-luteal-cells
#13
Hachiro Kamada, Satoshi Akagi, Shinya Watanabe
Although astaxanthin (AST) is known to be a strong antioxidant, its effects on reproductive function in domestic animals have not yet been elucidated in detail. Therefore, we investigated the effects of AST on luteal cells, which produce progesterone (P4), an important hormone for maintaining pregnancy. Luteal cells were prepared by collagenase dispersion of the corpus luteum (CL). The addition of racemic AST at a low concentration (<10 nM) to cultured bovine luteal cells increased P4 in the culture medium (P<0...
April 23, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28442267/shell-alterations-in-limpets-as-putative-biomarkers-for-multi-impacted-coastal-areas
#14
Felipe Nincao Begliomini, Daniele Claudino Maciel, Sérgio Mendonça de Almeida, Denis Moledo Abessa, Luciane Alves Maranho, Camilo Seabra Pereira, Gilvan Takeshi Yogui, Eliete Zanardi-Lamardo, Ítalo Braga Castro
During the last years, shell alterations in gastropods have been proposed as tools to be used in monitoring programs. However, no studies were so far performed investigating the relationships among shell parameters and classical biomarkers of damage. The relationship between shell alterations (biometrics, shape and elemental composition) and biomarkers (LPO and DNA strand break) was evaluated in the limpet L. subrugosa sampled along a contamination gradient in a multi-impacted coastal zone from southeastern Brazil...
April 22, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28442061/effect-of-docosahexanoic-acid-on-quality-of-frozen-thawed-bull-semen-in-bioxcell-extender
#15
Asmatullah Kaka, Wahid Haron, Rosnina Yusoff, Nurhusien Yimer, A M Khumran, Kazhal Sarsaifi, Atique Ahmed Behan, Ubedullah Kaka, Akeel Ahmed Memon, Mahdi Ebrahimi
This study was conducted to investigate the effect of docosahexanoic acid (DHA) supplementation in BioXcell extender on the quality of frozen-thawed bull semen. Twenty-four ejaculates were collected from three bulls (eight from each bull). Ejaculates with motility ≥70% and normal morphology ≥80% were extended into BioXcell extender to which 0 (control), 3, 5, 10 or 15ngmL(-1) DHA was added. The supplemented semen samples were incubated at 37°C for 15min for DHA uptake by spermatozoa. Later, samples were cooled for 2h at 5°C and packaged into 0...
March 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28441923/lowered-pon1-activities-are-strongly-associated-with-depression-and-bipolar-disorder-recurrence-of-hypo-mania-and-depression-increased-disability-and-lowered-quality-of-life
#16
Estefania Gastaldello Moreira, Dalmo Guilherme Correia, Kamila Landucci Bonifácio, Juliana Brum de Moraes, Fernanda Liboni Cavicchioli, Carolina Sampaio Nunes, Sandra Odebrecht Vargas Nunes, Heber Odebrecht Vargas, Décio Sabbatini Barbosa, Michael Maes
BACKGROUND: Mood disorders (MD) frequently co-exist with cardiovascular disease (CVD) and immune-inflammatory and oxidative stress are important shared pathophysiological pathways. Even though there is an extensive investigation of the enzyme paraoxonase 1 (PON1) as a biomarker of susceptibility for CVD, there are only few reports studying PON1 in MD. OBJECTIVES: To determine the association between PON1 activities as well as functional genotypes and MD diagnosis, clinical characteristics and outcomes...
April 26, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28441719/suppression-of-oxidative-stress-and-nf%C3%AE%C2%BAb-mapk-signaling-by-lyophilized-black-raspberries-for-esophageal-cancer-prevention-in-rats
#17
Ni Shi, Fang Chen, Xiaoli Zhang, Steven K Clinton, Xiaofei Tang, Zheng Sun, Tong Chen
Research in the laboratory has shown that lyophilized black raspberries (BRB) significantly inhibit N-nitrosomethylbenzylamine (NMBA)-induced esophageal squamous cell carcinogenesis in rats. The objective of the present study is to characterize the underlying mechanism(s) of anti-cancer action of BRB in this preclinical animal model focusing on oxidative stress and its related oncogenic signaling pathways. Esophageal epithelial tissues were collected and assessed for markers of oxidative stress and nuclear factor κB (NFκB) and mitogen-activated protein kinase (MAPK)...
April 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28441609/dechlorane-plus-induces-oxidative-stress-and-decreases-cyclooxygenase-activity-in-the-blue-mussel
#18
Pierre-Luc Gagné, Marlène Fortier, Marc Fraser, Lise Parent, Cathy Vaillancourt, Jonathan Verreault
Dechlorane Plus (DP) is a chlorinated flame retardant used mainly in electrical wire and cable coating, computer connectors, and plastic roofing materials. Concentrations of DP (syn and anti isomers) are increasingly being reported in aquatic ecosystems worldwide. However, there is exceedingly little information on the exposure-related toxicity of DP in aquatic organisms, especially in bivalves. The objective of this study was to investigate the in vivo and in vitro effects of DP exposure on histopathology, lipid peroxidation (LPO) levels, cyclooxygenase (COX) activity, phagocytosis capacity and efficiency, and DNA strand breakage in the blue mussel (Mytilus edulis) following a 29days exposure (0...
April 17, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28440512/astemizole-protects-against-human-umbilical-vein-endothelial-cell-injury-induced-by-hydrogen-peroxide-via-the-p53-signaling-pathway
#19
Jia-Nan Tian, Xiao-Dong Shi, Xiao-Kun Wang, Shuang Wang, Jing-Xue Xu, Chun-Xiao Yang
Astemizole has gained attention as an antineoplastic drug that targets important ion channels. The present study aimed to investigate the protective effects of astemizole against hydrogen peroxide (H2O2)‑induced oxidative damage to human umbilical vein endothelial cells (HUVECs). HUVECs were pretreated with astemizole (0.5 and 1 µM) for 12 h, then exposed to H2O2 (200 µM) for 12 h. Cell viability was measured using the MTT assay. The levels of malondialdehyde (MDA), superoxide dismutase (SOD), glutathione peroxidase (GSH‑Px), reactive oxygen species (ROS) and apoptotic percentage were determined...
April 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28439287/rattlesnake-crotalus-molossus-nigrescens-venom-induces-oxidative-stress-on-human-erythrocytes
#20
David Meléndez-Martínez, Juan Manuel Muñoz, Guillermo Barraza-Garza, Martha Sandra Cruz-Peréz, Ana Gatica-Colima, Emilio Alvarez-Parrilla, Luis Fernando Plenge-Tellechea
BACKGROUND: Globally, snake envenomation is a well-known cause of death and morbidity. In many cases of snakebite, myonecrosis, dermonecrosis, hemorrhage and neurotoxicity are present. Some of these symptoms may be provoked by the envenomation itself, but others are secondary effects of the produced oxidative stress that enhances the damage produced by the venom toxins. The only oxidative stress effect known in blood is the change in oxidation number of Fe (from ferrous to ferric) in hemoglobin, generating methemoglobin but not in other macromolecules...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
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