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https://www.readbyqxmd.com/read/29334666/effects-of-berberine-chloride-on-the-liver-of-streptozotocin-induced-diabetes-in-albino-wistar-rats
#1
Govindasami Chandirasegaran, Chakkaravarthy Elanchezhiyan, Kavisa Ghosh
The goal of the present study is to evaluate the effect of Berberine chloride (BC) on the liver of streptozotocin (STZ) induced diabetic rat. Diabetic rats were treated with BC (50 mg/kg b.w) or glibenclamide (6 mg/kg b.w), daily for 45 days. After BC treatment in diabetic rats, there was a significant (P < 0.05) decline in the levels of hepatic markers, lipid peroxidation markers such as lipid hydroperoxides (LOOH) and thiobarbituric acid reactive substances (TBARS), and pro-inflammatory mediators like tumor necrosis factor-alpha (TNF-α), phosphorylated nuclear factor kappa-B-p65 (phospho-NF-κB p65), cyclooxygenase (COX-2), nitric oxide synthase (iNOS) as well as pro-apoptotic mediators such as Bax and cytochrome c...
January 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29334408/effects-of-metalaxyl-enantiomers-stress-on-root-activity-and-leaf-antioxidant-enzyme-activities-in-tobacco-seedlings
#2
Song Fang, Yi Tao, Yizhi Zhang, Fanyu Kong, Yunbai Wang
The objective of this experiment was to study the effects of metalaxyl enantiomers on the activity of roots and antioxidative enzymes in tobacco seedlings. Water culture experiment was conducted to analyze the effects of different concentrations of metalaxyl enantiomers (30 and 10 mg L-1 ) on root activity and leaf superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) activities and malondialdehyde (MDA) content of tobacco seedlings. The results showed that metalaxyl significantly inhibited root activity and significantly improved leaf SOD, POD, and CAT activities and MDA content...
January 15, 2018: Chirality
https://www.readbyqxmd.com/read/29334211/curcumin-and-quercetin-ameliorated-cypermethrin-and-deltamethrin-induced-reproductive-system-impairment-in-male-wistar-rats-by-upregulating-the-activity-of-pituitary-gonadal-hormones-and-steroidogenic-enzymes
#3
Poonam Sharma, Irshad Aslam Khan, Rambir Singh
Background: Dietary antioxidants protect tissues and organs against insecticides/xenobiotic-induced damage. In the present study, we evaluated the results of exposure to synthetic pyrethroid insecticides, cypermethrin (Cyp) and deltamethrin (Del) and possible protective effects of curcumin and quercetin on reproductive system in male Wistar rats. MATERIALS AND METHODS: In this controlled experimental study, 42 male Wistar rats were randomly divided into 7 groups of 6 animals...
April 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29333048/astaxanthin-ameliorates-hepatic-damage-and-oxidative-stress-in-carbon-tetrachloride-administered-rats
#4
Md Ariful Islam, Md Abdullah Al Mamun, Md Faruk, Md Tauhid Ul Islam, Md Mizanur Rahman, Mohammad Nazmul Alam, A F M Towheedur Rahman, Hasan Mahmud Reza, Md Ashraful Alam
Background: Astaxanthin is of carotenoids group which possess strong antioxidant properties. The present study was conducted to evaluate the hepatoprotective effects of astaxanthin in carbon tetrachloride (CCl4)-treated rats. Materials and Methods: Female Long-Evans rats were administered with CCl4 orally (1 ml/kg) twice a week for 2 weeks and were treated with astaxanthin (10 mg/kg) every day for 2 weeks. Blood plasma samples were isolated from each group and were analyzed for alanine aminotransferase (ALT), aspartate aminotransferase (AST), and alkaline phosphatase activities...
December 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/29332929/size-based-differentiation-of-cancer-and-normal-cells-by-a-particle-size-analyzer-assisted-by-a-cell-recognition-pc-software
#5
Babita Shashni, Shinya Ariyasu, Reisa Takeda, Toshihiro Suzuki, Shota Shiina, Kazunori Akimoto, Takuto Maeda, Naoyuki Aikawa, Ryo Abe, Tomohiro Osaki, Norihiko Itoh, Shin Aoki
Detection of anomalous cells such as cancer cells from normal blood cells has the potential to contribute greatly to cancer diagnosis and therapy. Conventional methods for the detection of cancer cells are usually tedious and cumbersome. Herein, we report on the use of a particle size analyzer for the convenient size-based differentiation of cancer cells from normal cells. Measurements made using a particle size analyzer revealed that size parameters for cancer cells are significantly greater (e.g., inner diameter and width) than the corresponding values for normal cells (white blood cells (WBC), lymphocytes and splenocytes), with no significant difference in shape parameters (e...
January 13, 2018: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29332915/calcified-amorphous-tumor-induced-acute-cerebral-infarction
#6
Yoshihiro Aizawa, Toshiko Nakai, Yuki Saito, Koyuru Monno, Tomoyuki Morikawa, Rikitake Kogawa, Takumi Hatta, Takehiro Tamaki, Mahoto Kato, Munehito Arimoto, Shunji Osaka, Keishin Sunagawa, Xiao Yan Tang, Masashi Tanaka, Hiroyuki Hao, Atsushi Hirayama
We report the case of a 38-year-old woman who was admitted for acute cerebral infarction linked to a cardiac calcified amorphous tumor (CAT) and related mitral annular calcification (MAC). The cardiac mass was removed, and mitral valve replacement surgery was performed. Pathological examination revealed an amorphous accumulation of degenerating material within both lesions, indicating that build-up of calcium along the mitral annulus and subsequent rupture of the fibrotic tissue may be involved in the initiation and progression of CAT...
January 15, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29332272/comparative-study-of-selenium-and-selenium-nanoparticles-with-reference-to-acute-toxicity-biochemical-attributes-and-histopathological-response-in-fish
#7
Neeraj Kumar, Kishore Kumar Krishnani, Narendra Pratap Singh
Recent studies have demonstrated that selenium (Se) and selenium nanoparticles (Se-NPs) exhibited toxicity at a higher concentration. The lethal concentration of Se and Se-NPs was estimated as 5.29 and 3.97 mg/L at 96 h in Pangasius hypophthalmus. However, the effect of different definite concentration of Se (4.5, 5.0, 5.5, and 6.0 mg/L) and Se-NPs (2.5, 3.0, 3.5, and 4.0 mg/L) was decided for acute experiment. Selenium and Se-NPs alter the biochemical attributes such as anti-oxidative status [catalase (CAT), superoxide dismutase (SOD), and glutathione-S-transferase (GST) activities], neurotransmitter enzyme, cellular metabolic enzymes, stress marker, and histopathology of P...
January 13, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29332176/characteristics-of-petroleum-contaminated-groundwater-during-natural-attenuation-a-case-study-in-northeast-china
#8
Hong Qian, Yuling Zhang, Jiali Wang, Chaoqun Si, Zaixing Chen
The objective of this study was to investigate a petroleum-contaminated groundwater site in northeast China. We determined the physicochemical properties of groundwater that contained total petroleum hydrocarbons (TPH) with a view to developing a scientifically robust strategy for controlling and remediating pollution of groundwater already contaminated with petroleum. Samples were collected at regular intervals and were analyzed for dissolved oxygen (DO), iron (Fe3+), sulfate (SO42-), electrical conductivity (Eh), pH, hydrogen carbonate (HCO3-), and enzyme activities of catalase (CAT), peroxidase (HRP), catechol 1,2-dioxygenase (C12O), and catechol 2,3-dioxygenase (C23O)...
January 13, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29331597/variation-of-genes-involved-in-oxidative-and-nitrosative-stresses-in-depression
#9
Paulina Wigner, Piotr Czarny, Ewelina Synowiec, Michał Bijak, Katarzyna Białek, Monika Talarowska, Piotr Galecki, Janusz Szemraj, Tomasz Sliwinski
The dominating hypothesis among numerous hypotheses explaining the pathogenesis of depressive disorders (DD) is the one involving oxidative and nitrosative stress. In this study, we examined the association between single-nucleotide polymorphisms of the genes encoding SOD2 (superoxide dismutase 2), CAT (catalase), GPx4 (glutathione peroxidase 4), NOS1 (nitric oxide synthase 1), NOS2 (nitric oxide synthase 2), and the development of depressive disorders. Our study was carried out on the DNA isolated from peripheral blood collected from 281 depressed patients and 229 controls...
December 9, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29331520/vitamin-c-attenuates-biochemical-and-genotoxic-damage-in-common-carp-cyprinus-carpio-upon-joint-exposure-to-combined-toxic-doses-of-fipronil-and-buprofezin-insecticides
#10
Madiha Ghazanfar, Sana Shahid, Irfan Zia Qureshi
In the present study, potential protective role of Vitamin C (l-ascorbic acid) was investigated in aquaria acclimated common carp (Cyprinus carpio) following exposure for 96 h to combined toxic doses of fipronil (FP) and buprofezin (BPFN) insecticides in combination (FP: 200 μg/L; 4.57 × 10-7 mol/L and BPFN: 50 mg/L; 1.64 × 10-4 mol/L). At end of 96 h exposure, fish were supplemented with low (25 mg/L) and high (50 mg/L) doses of Vitamin C, added once daily to aquaria water for continuous three weeks...
January 5, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29331319/a-histopathological-and-biochemical-evaluation-of-oxidative-injury-in-the-sciatic-nerves-of-male-rats-exposed-to-a-continuous-900-megahertz-electromagnetic-field-throughout-all-periods-of-adolescence
#11
Gökçen Kerimoğlu, Canan Güney, Şafak Ersöz, Ersan Odacı
The effects on human health of the electromagnetic field (EMF) emitted by mobile phones, used by approximately 7 billion people worldwide, have become an important subject for scientific research. Studies have suggested that the EMF emitted by mobile phones can cause oxidative stress in different tissues and age groups. Young people in adolescence, a time period when risky behaviors and dependences increase, use mobile phones more than adults. The EMF emitted by mobile phones, which are generally carried in the pocket or in bags when not in use, will very probably affect the sciatic nerve...
January 10, 2018: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/29330822/biochemical-changes-in-mussels-submitted-to-different-time-periods-of-air-exposure
#12
Madalena Andrade, Amadeu Soares, Etelvina Figueira, Rosa Freitas
Intertidal species face multiple stressors on a daily basis due to their particular habitat. The submergence at high tide in the aquatic environment and emergence at low tide to the aerial environment, associated with a wide variation of abiotic parameters, along with anthropogenic contamination are some of the daily stresses that these organisms are exposed to. With such a dynamic environment, organisms developed strategies that allow them to avoid or tolerate these stressors. Among these species, bivalves are some of the most hypoxia tolerant, being commonly used as a biomonitoring tool due to their capacity to accumulate pollutants from the environment and reflect the imposed toxic impacts...
January 13, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330489/decoding-hind-limb-kinematics-from-neuronal-activity-of-the-dorsal-horn-neurons-using-multiple-level-learning-algorithm
#13
Hamed Yeganegi, Yaser Fathi, Abbas Erfanian
Decoding continuous hind limb joint angles from sensory recordings of neural system provides a feedback for closed-loop control of hind limb movement using functional electrical stimulation. So far, many attempts have been done to extract sensory information from dorsal root ganglia and sensory nerves. In this work, we examine decoding joint angles trajectories from the single-electrode extracellular recording of dorsal horn gray matter of the spinal cord during passive limb movement in anesthetized cats. In this study, a processing framework based on ensemble learning approach is propose to combine firing rate (FR) and interspike interval (ISI) information of the neuronal activity...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330337/role-of-germline-aberrations-affecting-ctnna1-map3k6-and-myd88-in-gastric-cancer-susceptibility
#14
Robbert D A Weren, Rachel S van der Post, Ingrid P Vogelaar, J Han van Krieken, Liesbeth Spruijt, Jan Lubinski, Anna Jakubowska, Urszula Teodorczyk, Cora M Aalfs, Liselotte P van Hest, Carla Oliveira, Eveline J Kamping, Hans K Schackert, Guglielmina N Ranzani, Encarna B Gómez García, Frederik J Hes, Elke Holinski-Feder, Maurizio Genuardi, Margreet G E M Ausems, Rolf H Sijmons, Anja Wagner, Lizet E van der Kolk, Annemieke Cats, Inga Bjørnevoll, Nicoline Hoogerbrugge, Marjolijn J L Ligtenberg
BACKGROUND: In approximately 10% of all gastric cancer (GC) cases, a heritable cause is suspected. A subset of these cases have a causative germline CDH1 mutation; however, in most cases the cause remains unknown. Our objective was to assess to what extent these remaining cases may be explained by germline mutations in the novel candidate GC predisposing genes CTNNA1, MAP3K6 or MYD88. METHODS: We sequenced a large cohort of unexplained young and/or familial patients with GC (n=286) without a CDH1germline mutation for germline variants affecting CTNNA1, MAP3K6 and MYD88 using a targeted next-generation sequencing approach based on single-molecule molecular inversion probes...
January 12, 2018: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29330058/haptoglobin-and-serum-amyloid-a-as-putative-biomarker-candidates-of-naturally-occurring-bovine-respiratory-disease-in-dairy-calves
#15
Vivek Joshi, V K Gupta, A G Bhanuprakash, R S K Mandal, U Dimri, Y Ajith
Bovine respiratory disease (BRD) is one of the leading causes of morbidity and mortality in dairy calves. Identification of reliable biomarkers of naturally occurring BRD is essential for ensuring early diagnosis and treatment of calves and monitoring treatment efficacy. This need is punctuated, especially in mild to moderate cases that would greatly help to decrease recurrence and the overall prevalence of BRD. The present study was conducted to investigate the changes in serum concentrations of haptoglobin (Hpt) and serum amyloid A (SAA) and association between oxidative stress and acute phase proteins (APPs) in BRD...
January 9, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29329954/comparative-myology-of-the-ankle-of-leopardus-wiedii-and-l-geoffroyi-carnivora-felidae-functional-consistency-with-osteology-locomotor-habits-and-hunting-in-captivity
#16
Miriam M Morales, S Rocío Moyano, Agustina M Ortiz, Marcos D Ercoli, Luis I Aguado, Sergio A Cardozo, Norberto P Giannini
Leopardus wiedii (margay) is the only arboreal Neotropical felid able to climb head-first down trees, due to its ability to rotate its tarsal joint 180°. A closely related, similar-sized species, L. geoffroyi (Geoffroy's cat) exhibits more typical terrestrial habits and lacks the arboreal capabilities of L. wiedii. There is osteological evidence that supports a mechanical specialization of L. wiedii's tarsal joint for inversion, but there have been no studies on the myology of this specialization. Based on comparative gross-anatomy dissections of zeugo- and autopodial muscles related to the ankle joint of one margay specimen and two Geoffroýs cats, we identified myological specializations of L...
December 26, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/29329749/assessment-of-the-diagnostic-performance-of-four-methods-for-the-detection-of-giardia-duodenalis-in-fecal-samples-from-human-canine-and-feline-carriers
#17
Flávia Fernandes de Mendonça Uchôa, Adriana Pittella Sudré, Sabrina Destri Emmerick Campos, Nádia Regina Pereira Almosny
Enteric parasitic diseases including giardiasis are of public health concern. Different methods are available for the diagnosis of this parasitic infection in fecal samples such as the identification of protozoan cysts and trophozoites by light microscopy, detection of specific antigens by ELISA, and amplification of DNA fragments by PCR. The present study aimed at assessing the performance of four laboratory tests for the detection of Giardia duodenalis in fecal specimens from three different host species with a previous diagnosis of giardiasis; canine, feline and human patients provided new stool samples to be retested for Giardia before initiating treatment with antiprotozoal drugs...
January 9, 2018: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/29327233/dcaf1-is-involved-in-hcv-replication-through-regulation-of-mir-122
#18
Yanling Yan, Conghui Li, Binlian Sun, Rongge Yang
Hepatitis C virus (HCV) is a worldwide threaten to human health with a high ratio of chronic infections. Recently, we found that Vpr-mediated regulation of HCV replication depends on the host protein DDB1-Cul4 associate factor 1 (DCAF1), implying that DCAF1 might be involved in the replication of HCV. In this study, we demonstrated that DCAF1 knockdown reduced HCV replication both in the infectious (JFH1) and replicon (Con1) systems. Further investigation showed a negative regulation of HCV internal ribosome entry site (IRES)-mediated translation by DCAF1...
January 11, 2018: Archives of Virology
https://www.readbyqxmd.com/read/29326391/zoonotic-bacteria-and-parasites-found-in-raw-meat-based-diets-for-cats-and-dogs
#19
Freek P J van Bree, Gertie C A M Bokken, Robin Mineur, Frits Franssen, Marieke Opsteegh, Joke W B van der Giessen, Len J A Lipman, Paul A M Overgaauw
Feeding raw meat-based diets (RMBDs) to companion animals has become increasingly popular. Since these diets may be contaminated with bacteria and parasites, they may pose a risk to both animal and human health. The purpose of this study was to test for the presence of zoonotic bacterial and parasitic pathogens in Dutch commercial RMBDs. We analysed 35 commercial frozen RMBDs from eight different brands. Escherichia coli serotype O157:H7 was isolated from eight products (23 per cent) and extended-spectrum beta-lactamases-producing E coli was found in 28 products (80 per cent)...
January 13, 2018: Veterinary Record
https://www.readbyqxmd.com/read/29325820/an-assessment-of-shedding-with-the-oral-rabies-virus-vaccine-strain-spbn-gasgas-in-target-and-non-target-species
#20
Ad Vos, Conrad Freuling, Steffen Ortmann, Antje Kretzschmar, Dietmar Mayer, Annette Schliephake, Thomas Müller
A safety requirement for live vaccines is investigating possible shedding in recipients since the presence of replication competent vaccine in secretions could result in direct and indirect horizontal transmission. This is especially relevant for oral rabies vaccine baits that are deliberately distributed into the environment. In the current study, survival of an oral rabies virus vaccine, SPBN GASGAS, was examined in excretions from different target and non-target species; red fox, raccoon dog, small Indian mongoose, raccoon, striped skunk, domestic dog, domestic cat and domestic pig...
January 8, 2018: Vaccine
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