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https://www.readbyqxmd.com/read/28350848/reduction-of-oxidative-nitrosative-stress-underlies-anticataract-effect-of-topically-applied-tocotrienol-in-streptozotocin-induced-diabetic-rats
#1
Nurul Alimah Abdul Nasir, Renu Agarwal, Siti Hamimah Sheikh Abdul Kadir, Sushil Vasudevan, Minaketan Tripathy, Igor Iezhitsa, Aqil Mohammad Daher, Mohd Ikraam Ibrahim, Nafeeza Mohd Ismail
Cataract, a leading cause of blindness, is of special concern in diabetics as it occurs at earlier onset. Polyol accumulation and increased oxidative-nitrosative stress in cataractogenesis are associated with NFκB activation, iNOS expression, ATP depletion, loss of ATPase functions, calpain activation and proteolysis of soluble to insoluble proteins. Tocotrienol was previously shown to reduce lens oxidative stress and inhibit cataractogenesis in galactose-fed rats. In current study, we investigated anticataract effects of topical tocotrienol and possible mechanisms involved in streptozotocin-induced diabetic rats...
2017: PloS One
https://www.readbyqxmd.com/read/28350842/combination-of-mesenchymal-stem-cell-injection-with-icariin-for-the-treatment-of-diabetes-associated-erectile-dysfunction
#2
Xiyou Wang, Chuanhai Liu, Yong Xu, Ping Chen, Yue Shen, Yansheng Xu, Yubo Zhao, Weihao Chen, Xinyu Zhang, Yun Ouyang, Yi Wang, Changliang Xie, Maojun Zhou, Cuilong Liu
The present study was aimed to examine whether icariin, a traditional Chinese medicine, could improve therapeutic effects of adipose derived mesenchymal stem cells (ADSCs) for diabetes-associated erectile dysfunction (DMED). DMED were induced in rats by intraperitoneal injection of streptozotocin and confirmed by erectile function measurement. Then, rats of diabetic ED were randomly divided to receive the treatment of saline, ADSCs, icariin or ADSCs combined with icariin respectively. Compared with the treatment by ADSCs or icariin alone, intracavernosum injection of ADSCs combined with the following daily gastric gavage of icariin significantly augmented the value of ICP and ICP/MAP (p<0...
2017: PloS One
https://www.readbyqxmd.com/read/28350818/effects-and-mechanisms-of-auricular-electroacupuncture-on-gastric-hypersensitivity-in-a-rodent-model-of-functional-dyspepsia
#3
Jingzhu Zhou, Shiying Li, Yinping Wang, Yong Lei, Robert D Foreman, Jieyun Yin, Jiande D Z Chen
BACKGROUND: Functional dyspepsia (FD) is a common functional gastrointestinal disease, and abdominal pain is one of the main symptoms. The aim of this study was to explore the effects and mechanisms of auricular electro-acupuncture (AEA) on gastric hypersensitivity in a rodent model of FD. METHODS: Ten-day-old pups were gavaged with 0.2 ml of 0.1% iodoacetamide daily for 6 days. AEA at the "stomach" point with different parameters or sham-EA was performed on 8-week-old animals...
2017: PloS One
https://www.readbyqxmd.com/read/28350697/tritium-3-h-retention-in-mice-administered-as-hto-dto-or-as-3-h-labeled-amino-acids
#4
Nicholas D Priest, Melinda S J Blimkie, Heather Wyatt, Michelle Bugden, Laura A Bannister, Yann Gueguen, Jean-Rene Jourdain, Dmitry Klokov
The objective of this study was to compare the biokinetics of injected H-labeled light (HTO) and heavy (DTO) water in CBA/CaJ mice and to compare the organ distribution and/or body content of H administered by chronic ingestion for 1 mo to C57Bl/6J mice, as either H-labeled water or H-labeled amino acids (glycine, alanine and proline). HTO and DTO were administered to CBA/CaJ mice by single intraperitoneal injection and body retention was determined for up to 384 h post-injection. Tritium-labeled water or H-labeled amino acids were given to C57Bl/6J mice ad libitum for 30 d in drinking water...
May 2017: Health Physics
https://www.readbyqxmd.com/read/28346918/5-ht1a-receptors-mediate-analgesia-induced-by-emulsified-sevoflurane-in-thermal-nociception-but-have-little-effect-on-chemical-nociception
#5
Chen Yan, Dai Ti-Jun, Li Xin, Cao Gao, Jiang Shen, Tao Hong, Meng Zhi-Xiu
OBJECTIVE: The study aimed to investigate the relationship between the analgesic effect of sevoflurane and 5-serotonin receptor 1A (5-HT1A R) in the spinal cords of mice. METHODS: Analgesic mouse models were established by intraperitoneal injection of emulsified sevoflurane, and the influence of p-MPPF (a specific antagonist of 5-HT1A Rs) intrathecal injection on the changes in tail-flick latency in tail-withdrawal test, pain threshold in hot-plate test (HPPT), and writhing times in acetic acid-induced writhing test were recorded...
March 28, 2017: Pharmacology
https://www.readbyqxmd.com/read/28345549/sub-anesthesia-dose-of-isoflurane-in-60-oxygen-reduces-inflammatory-responses-in-experimental-sepsis-models
#6
Yi Huang, Xiao-Xia Wang, Dong-Dong Sun, Ze-Xin Zhang, Wan-Wan Yang, Tian Shao, Han Han, Er-Fei Zhang, Zhong-Shu Pu, Zuo-Xu Hou, Hai-Long Dong, Li-Ze Xiong, Li-Chao Hou
BACKGROUND: Sepsis is a major cause of mortality in Intensive Care Units. Anesthetic dose isoflurane and 100% oxygen were proved to be beneficial in sepsis; however, their application in septic patients is limited because long-term hyperoxia may induce oxygen toxicity and anesthetic dose isoflurane has potential adverse consequences. This study was scheduled to find the optimal combination of isoflurane and oxygen in protecting experimental sepsis and its mechanisms. METHODS: The effects of combined therapy with isoflurane and oxygen on lung injury and sepsis were determined in animal models of sepsis induced by cecal ligation and puncture (CLP) or intraperitoneal injection of lipopolysaccharide (LPS) or zymosan...
April 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28344826/impact-of-bone-marrow-derived-mesenchymal-stem-cells-on-remodeling-the-lung-injury-induced-by-lipopolysaccharides-in-mice
#7
Mouchira M Mohi El-Din, Laila A Rashed, Mohi A Mahmoud Haridy, Atef Mohamed Khalil, Mohamed A Mohamed Albadry
AIM: This study evaluated the potential of bone marrow derived mesenchymal stem cells (MSCs) to regulate cytokines and remodel the lung induced by lipopolysaccharide (LPS; O-antigen). MATERIALS & METHODS: A group of mice (n = 21) was inoculated intraperitoneally with one dose 0.1 ml containing 0.025 mg LPS/mouse, and another treated intravenously with one dose of labeling bone marrow derived MSCs at 7.5 × 10(5) cell/mouse 4 h after LPS injection. All animals were sacrificed on the 1st, 7th and 14th days post-injection...
March 2017: Future Science OA
https://www.readbyqxmd.com/read/28344760/severe-pulmonary-hypertension-in-aging-female-apolipoprotein-e-deficient-mice-is-rescued-by-estrogen-replacement-therapy
#8
Soban Umar, Rod Partow-Navid, Gregoire Ruffenach, Andrea Iorga, Shayan Moazeni, Mansoureh Eghbali
BACKGROUND: Apolipoprotein E (ApoE) is a multifunctional protein, and its deficiency leads to the development of atherosclerosis in mice. Patients with pulmonary hypertension (PH) have reduced expression of ApoE in lung tissue. ApoE is known to inhibit endothelial and smooth muscle cell proliferation and has anti-inflammatory and anti-platelet aggregation properties. Young ApoE-deficient mice have been shown to develop PH on high fat diet. The combined role of female sex and aging in the development of PH has not been investigated before...
2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28344516/ulinastatin-ameliorates-tissue-damage-of-severe-acute-pancreatitis-through-modulating-regulatory-t-cells
#9
Yu Pan, Haizong Fang, Fengchun Lu, Minggui Pan, Fei Chen, Ping Xiong, Yi Yao, Heguang Huang
BACKGROUND: Ulinastatin or urinary trypsin inhibitor (UTI) has been shown to ameliorate the inflammatory response induced by experimental severe acute pancreatitis (SAP) and hence reduce the mortality, however the mechanism of its action remains incompletely understood. We have investigated the effect of ulinastatin on regulatory T-cells (Tregs) in an established rat model of SAP. METHODS: We established a rat SAP model by injecting 5% Na-taurocholate into the pancreatic duct and treated the SAP rats with ulinastatin with different dose level (5000, 10000, 30000 U/kg) through intraperitoneal injection at 0, 6 and 12 h...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28344212/age-dependent-effects-of-prenatal-dexamethasone-exposure-on-immune-responses-in-male-rats
#10
Ming-Yi Chou, Li-Tung Huang, You-Lin Tain, Ho-Chang Kuo, Mao-Meng Tiao, Jiunn-Ming Sheen, Chih-Cheng Chen, Pi-Lien Hung, Kai-Sheng Hsieh, Hong-Ren Yu
Prenatal glucocorticoid therapy is indicated in preterm delivery to prevent respiratory distress. This study was designed to evaluate the age-dependent effects of prenatal dexamethasone (DEX) therapy on the immune system using a rat model. Pregnant Sprague-Dawley rats received an intraperitoneal injection of DEX (0.1 mg/kg/day) or saline (VEH) over gestational days 14-20. Male offspring were sacrificed at postnatal day 7 (D7; infant stage), D120 (young adult stage), and D180 (adult stage) for evaluation of leukocyte subsets and isolation of splenocytes...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28344167/protection-and-antibody-reactivity-following-vaccination-of-lumpfish-cyclopterus-lumpus-l-against-atypical-aeromonas-salmonicida
#11
Anita Rønneseth, Gyri T Haugland, Duncan J Colquhoun, Espen Brudal, Heidrun I Wergeland
Atypical Aeromonas salmonicida is frequently associated with disease and mortality in farmed lumpfish (Cyclopterus lumpus L). Challenge experiments using different modes of exposure identified both high and low pathogenic isolates. Intraperitoneal vaccination induced production of high levels of specific antibodies particularly in fish given multiple injections. The immune sera contained antibodies cross reactive with both high and low pathogenic isolates. SDS-PAGE and LC/MSMS analyses showed that the highly virulent isolate expressed the virulence array protein (A-layer) while the less virulent isolate did not...
March 23, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28343776/a-effective-dna-vaccine-against-diverse-genotype-j-infectious-hematopoietic-necrosis-virus-strains-prevalent-in-china
#12
Liming Xu, Jingzhuang Zhao, Miao Liu, Gael Kurath, Guangming Ren, Scott E Lapatra, Jiasheng Yin, Hongbai Liu, Jian Feng, Tongyan Lu
Infectious hematopoietic necrosis virus (IHNV) is the most important pathogen threatening the aquaculture of salmonid fish in China. In this study, a DNA vaccine, designated pIHNch-G, was constructed with the glycoprotein (G) gene of a Chinese IHNV isolate SD-12 (also called Sn1203) of genotype J. The minimal dose of vaccine required, the expression of the Mx-1 gene in the muscle (vaccine delivery site) and anterior kidney, and the titers of the neutralizing antibodies produced were used to evaluate the vaccine efficacy...
March 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28343695/treatment-with-milk-fat-globule-epidermal-growth-factor-factor-8-mfg-e8-reduces-inflammation-and-lung-injury-in-neonatal-sepsis
#13
Laura W Hansen, Weng Lang Yang, Alexandra C Bolognese, Asha Jacob, Tracy Chen, Jose M Prince, Jeffrey M Nicastro, Gene F Coppa, Ping Wang
BACKGROUND: Sepsis remains one of the leading causes of infant death worldwide. It is characterized by uncontrolled inflammatory responses due to proven bacterial infection. Despite improvement in supportive care and the availability of effective antibiotics, no specific therapy targeting the dysregulated inflammatory response is available for neonatal sepsis. Milk fat globule epidermal growth factor-factor 8 (MFG-E8) is a secretory glycoprotein abundantly present in human milk. MFG-E8 suppresses the systemic inflammatory responses in adult murine injury models by improving the clearance of dying cells...
March 23, 2017: Surgery
https://www.readbyqxmd.com/read/28343377/protein-kinase-c-mediates-the-corticosterone-induced-sensitization-of-dorsal-root-ganglion-neurons-innervating-the-rat-stomach
#14
Meng Li, Lu Xue, Hong-Yan Zhu, Hongjun Wang, Xue Xu, Geping Wu, Guang-Yin Xu
Background/Aims: Gastric hypersensitivity contributes to abdominal pain in patients with functional dyspepsia (FD). Recent studies showed that hormones induced by stress are correlated with visceral hypersensitivity. However, the precise mechanisms underlying gastric hypersensitivity remain largely unknown. The aim of the present study was designed to investigate the roles of corticosterone (CORT) on excitability of dorsal root ganglion (DRG) neurons innervating the stomach. Methods: DRG neurons innervating the stomach were labeled by DiI injection into the stomach wall...
March 26, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28343296/ibuprofen-protects-from-cypermethrin-induced-changes-in-the-striatal-dendritic-length-and-spine-density
#15
Pratibha Tripathi, Ashish Singh, Lakshmi Bala, Devendra Kumar Patel, Mahendra Pratap Singh
Microgliosis and inflammation are major wrongdoers in cypermethrin-induced Parkinsonism along with oxidative stress, mitochondrial dysfunction and α-synuclein aggregation. Dopamine depletion could alter dendritic morphology, length and spine number in the striatum. Present study investigated the effect of ibuprofen on the dendritic morphology, length and spine density in cypermethrin PD model. Male pups were treated intraperitoneally with cypermethrin during postnatal days followed by adulthood to induce Parkinsonism using standard procedure along with controls...
March 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28343195/research-of-the-protection-actions-of-derived-2-oxoindole-in-acute-stress
#16
Ruslan V Lutsenko, Andrei V Vakhnenko, Elena V Vlasova
INTRODUCTION: Correction of pathological anxiety and stress level of frustration leads to the development of new anxiolytics, notably including derivatives of 2-oksoyndolyn- 3-hlyoksylic acid. The aim of work - to study the effect of 2-oksyindolin-3-hlyoksylic acid on emotional and behavioral reactions of rats subjected to behavioral stress tests of different averiability. MATERIALS AND METHODS: In experiments on 150 white mature male rats Wistar investigated the effects of 2-oksoindolin (2-hydroxy-N-naphthalene-1-yl-2-(2-hydroxy-1,2- dihydro-indole-3-ylidene)-acetamide) with laboratory codes 18 when intraperitoneally administered to acute immobilization stress on Sel'ye on emotional and behavioral responses of animals to test «open field», «a raised cross maze» and test «conflict behavior» (option Vogel)...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28343145/effects-of-tiletamine-on-the-adenosine-monophosphate-activated-protein-kinase-signaling-pathway-in-the-rat-central-nervous-system
#17
Li-Xue Su, Xing-Xing Shi, Peng Yang, Hao Chen, Xin Li, Hong-Gang Fan, Hong-Bin Wang
OBJECTIVE: The dissociative anesthetic tiletamine, which acts on the central nervous system (CNS), is widely used in veterinary medicine and animal experiments. Recent studies indicate that adenosine 5'-monophosphate activated protein kinase (AMPK) plays a key role in the analgesic action of tiletamine. In the present study, the effects of tiletamine on the AMPK signaling pathway in rats were investigated. METHODS: Sprague-Dawley rats were injected intraperitoneally with tiletamine and executed at 10, 20, 40 and 60min post injection...
March 21, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28342972/remodeling-the-th1-polarized-systemic-environment-contributes-to-neurogenesis-and-cognitive-function-via-the-wnt7a-pathway-in-neonatal-mice
#18
YunLong Xu, Fen He, FangFang Qi, Guangqi Yang, FuXiang Zheng, JunHua Yang, Xiao Wang, JunXiu Liu, JunTao Zou
Neonatal Bacillus Calmette-Guérin (BCG) vaccination results in a positive effect on hippocampal neurogenesis and cognition. Serum cytokines are considered to be the chief culprit. In this study, serum from BCG-treated mice was identified as Th1 polarized serum. The serum showed an increased ratio of IFN-γ to IL-4 and decreased levels of TNF-α and IL-6. After Th1 polarized serum was injected intraperitoneally into postnatal mice, the levels of cytokines and ratio of IFN-γ to IL-4 in the serum and hippocampus of postnatal mice showed a similar alteration as those in Th1 polarized serum...
March 22, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28342933/regulation-of-airway-inflammation-and-remodeling-in-asthmatic-mice-by-tlr3-trif-signal-pathway
#19
Mei Yang, Hao-Ying Wang, Jian-Chang Chen, Jing Zhao
This paper aims to investigate the effect of Toll-like receptors 3 (TLR3)/TIR-domain-containing adapter-inducing interferon-β (TRIF) signal pathway on the airway inflammation and remodeling in asthmatic mice. C57BL/6 and TLR3(-/-) mice were randomly divided into three groups (10 mice per group), including Control group (mice inhaled phosphate buffer saline (PBS)), Asthma group (mice inhaled ovalbumin (OVA)) and polyriboinosinic-ribocytidylic acid (poly (I: C)) group (asthmatic mice were injected intraperitoneally with TLR3 agonist poly (I: C))...
March 23, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28342015/a-prognostic-model-for-predicting-overall-survival-in-patients-with-peritoneal-surface-malignancy-of-an-appendiceal-origin-treated-with-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy
#20
Chukwuemeka Ihemelandu, Stephen Fernandez, Paul H Sugarbaker
INTRODUCTION: Our aim was to develop a prognostic model for predicting overall survival following cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC) in patients with appendiceal adenocarcinoma and peritoneal metastasis. METHODS: A retrospective analysis of a prospectively maintained database for all patients treated for appendiceal adenocarcinoma with peritoneal metastasis from 1989 to 2012 was conducted. RESULTS: Overall, 734 (50...
March 24, 2017: Annals of Surgical Oncology
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