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#34524257 2021/09/08 To Up
CARDIOTOXIC EFFECTS OF THE ANTINEOPLASTIC DOXORUBICIN IN A MODEL OF METABOLIC SYNDROME: OXIDATIVE STRESS AND TRANSPORTERS EXPRESSION IN THE HEART.The aim of the present work was to examine whether metabolic syndrome-like conditions in rats with fructose (F) overload modify the cardiotoxic effects induced by doxorubicin (DOX) and whether the treatment altered the expression of P-gp, BCRP and OCTN transporters in the heart. Male Sprague-Dawley rats received either tap water (C, control group; n=16) or water with F 10% w/v (n=16) during eight weeks. Three days before sacrifice, the animals received a single dose of DOX (6 mg/kg, ip, md) (C-DOX and F-DOX groups) or vehicle (VEH; ISS 1ml/kg BW; ip) (C-VEH and F-VEH groups) (n=8 per group). F overload enhanced thiobarbituric acid-reactive substances (TBARS) levels in the left ventricle, and DOX injection further increased those values. DOX did not alter TBARS production in C animals. DOX caused a decrease of 30% in the ejection fraction and a nearly 40% reduction in the fractional shortening in F animals, but not in C rats. Cardiac tissue levels of P-gp decreased by about 30% in F rats compared to the C groups. DOX did not modify cardiac P-gp expression. BCRP and OCTN1/2/3 protein levels did not change with either F or DOX. It is suggested that DOX could cause greater cardiotoxicity in rats receiving F, probably due to enhanced cardiac lipid peroxidation and lower expression of cardiac P-gp. These results support the hypothesis that the cardiotoxicity of DOX could be increased under metabolic syndrome-like conditions or in other health disorders that involve cardiovascular risk factors.
Natalia Ogonowski, Natalia LucÃa Rukavina Mikusic, NicolÃ¡s MartÃn Kouyoumdzian, Marcelo Roberto Choi, Andrea Fellet, Ana MarÃa Balaszczuk, Stella Maris Celuch
2844 related Products with: CARDIOTOXIC EFFECTS OF THE ANTINEOPLASTIC DOXORUBICIN IN A MODEL OF METABOLIC SYNDROME: OXIDATIVE STRESS AND TRANSPORTERS EXPRESSION IN THE HEART.100 UG1300 units
#34521313 2021/09/14 To Up
The Effect of Very Low Concentrations of Ethanol on Microvascular Artery and Vein Anastomosis: An Experimental Study.This study investigated the effect of very low concentrations of ethanol on artery and vein anastomosis. Also, it was aimed to determine the appropriate ethanol concentration to be used in vasospasm.
Soysal Bas, Ramazan Ucak, Kurtulus Oz, Semra Hacikerim Karsidag
2424 related Products with: The Effect of Very Low Concentrations of Ethanol on Microvascular Artery and Vein Anastomosis: An Experimental Study.100ug1 ml100 100 mg 100ul1 ml1000 tests500 MG25 mg50 ug 10 mg
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#34508884 2021/09/08 To Up
Isolation, identification and genetic characterization analysis of a fowl aviadenovirus serotype 4 strain from Tianjin, China.A fowl aviadenovirus serotype 4 (FAdV-4), Y17215-1, was isolated from the liver of chickens with Hydropericardium-hepatitissyndrome(HHS) in a chicken farm of Tianjin, China. Obvious cytopathic effects were observed in the infected chicken liver hepatocellular carcinoma cell line (LMH cells) at 24â¯h post infection (hpi), which consisted of enlarger and rounder shape of cells. The typical and specific green fluorescence was observed by indirect immunofluorescence assay (IFA). Tissue Culture Infectious Dose50 (TCID) of it measured after five stable passage in LMH cells reached 10TCID/0.1â¯ml. The strain was inoculated through allantoic membrane of 10-day specific pathogen free(SPF) Chick embryos, the thicker allantoic membranes were observed at 120 hpi. 7-day-old SPF chickens were inoculated with the strain via intramuscular (i.m.) or intranasal (i.n.) injection which resulted in 100% mortality of test chickens. Additionally, the sickness and death of cohabitation chickens in the test group were observed which indicated that the virus can infect healthy chickens by horizontal transmission. The sick chickens showed depression, anorexia and diarrhea with green watery feces. Y17215-1-inoculated chickens mainly presented swollen liver with blood spot, and the enhancement of effusion or yellow gel like effusion that were observed in the pericardium through necropsy. Histopathological examination showed focal necrosis of hepatocytes and characteristic eosinophilic inclusion bodies in the cytoplasm. The results showed that the Y17215-1 isolate had high pathogenicity to SPF chickens. The phylogenetic analysis of the major structural proteins including hexon, fiber-1 and fiber-2 revealed that Y17215-1 strain belongs to C species of fowl aviadenovirus of aviadenovirus family, and has high homology with other Chinese strains isolated in recent years, but was distinct from ON1ãMX-SHP95ãKR5 and other foreign isolates. This study laid a foundation for further study of epidemiological investigation, pathogenic mechanism as well as the diagnosis and control technology of FAdV-4.
Lili Wang, Li Zheng, Shan Jiang, Xiuli Li, Chao Lu, Li Zhang, Weike Ren, Cheng Li, Xiangxue Tian, Fuqiang Li, Minghua Yan
2620 related Products with: Isolation, identification and genetic characterization analysis of a fowl aviadenovirus serotype 4 strain from Tianjin, China.10 mg100 mg1 mg2.5 mg10 mg 1 G5 x 50 Pieces/case 1 module100 mg0.1 mg100ug Lyophilized2 Pcs Per Pack
#34469407 2021/08/27 To Up
A Step-wise approach to the management of submacular haemorrhage using pneumatic displacement and Vitrectomy; The Manchester Protocol.To evaluate a sequential approach of pneumatic displacement followed by vitrectomy (PPV) in failed cases to deal with submacular haemorrhage (SMH) of various aetiologies.
Grace Wm Chew, Tsveta Ivanova, Niall Patton, Felipe Dhawahir-Scala, Kirti M Jasani, George Turner, Stephen Charles, Assad Jalil
1331 related Products with: A Step-wise approach to the management of submacular haemorrhage using pneumatic displacement and Vitrectomy; The Manchester Protocol.100.00 ul100 1 ml100.00 ul
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#34417020 2021/07/29 To Up
Cardiopulmonary Exercise Testing in Patients with Post-COVID-19 Syndrome.Several reports have shown the persistence of long term symptoms after the initial COVID-19 infection (post-COVID-19 syndrome). The objective of this study was to analyze the characteristics of cardiopulmonary exercise testing (CPET) performed in patients with a history of COVID-19, comparing subjects according to the presence of post-COVID-19 syndrome.
Leandro Barbagelata, Walter Masson, Diego Iglesias, Ezequiel Lillo, Juan Francisco Migone, Maria Laura Orazi, Joaquin Maritano Furcada
2500 related Products with: Cardiopulmonary Exercise Testing in Patients with Post-COVID-19 Syndrome.5 mg100 μg10mg100 μg5ug100 μg100ug100 μg
#34383841 2021/08/12 To Up
Estimated glomerular filtration rate equations in people of self-reported black ethnicity in the United Kingdom: Inappropriate adjustment for ethnicity may lead to reduced access to care.Assessment in African populations suggest adjustment for ethnicity in estimated glomerular filtration rate (eGFR) equations derived from African Americans lead to overestimation of GFR and failure to determine severity in chronic kidney disease (CKD). However, studies in African Europeans are limited. We aimed to assess accuracy of eGFR equations, with and without ethnicity adjustment compared with measured GFR in people of Black ethnicity in the United Kingdom. Performance of MDRD, CKD-EPI (with and without ethnicity adjustment), Full Age Spectrum (FAS), revised Lund MalmÃ¶ (LM Revised), and European Kidney Function Consortium (EKFC) eGFR equations were assessed compared to 51Cr-EDTA GFR studies extracted from hospital databases. Participants with albumin <30g/l, liver disease, <18 years, of non-Black or non-White self-reported ethnicity were excluded. Agreement was assessed by bias, precision and 30%-accuracy and was stratified for ethnicity and GFR. 1888 51Cr-EDTA studies were included (Mean age-53.7yrs; 43.6% female; 14.1% Black ethnicity). Compared to White participants, eGFR-MDRD and eGFR-CKD-EPI equations in Black participants significantly overestimated GFR (bias 20.3 and 19.7 ml/min/1.73m2 respectively, p<0.001). Disregarding the ethnicity adjustment significantly improved GFR estimates for Black participants (bias 6.7 and 2.4ml/min/1.73m2 for eGFR-MDRD and eGFR-CKD-EPI respectively, p<0.001). The LM Revised equation had the smallest bias for both White and Black participants (5.8ml and -1.1ml/min/1.73m2 respectively). 30%-accuracy was superior for GFRâ¥60ml/min/1.73m2 compared to <60ml/min/1.73m2 using eGFR-CKD-EPI equation for both White and Black participants (p<0.001). Multivariate regression methodology with adjustment for age, sex and log(serum creatinine) in the cohort yielded an ethnicity coefficient of 1.018 (95% CI: 1.009-1.027). Overestimation of measured GFR with eGFR equations using ethnicity adjustment factors may lead to reduced CKD diagnosis and under-recognition of severity in people of Black ethnicity. Our findings suggest that ethnicity adjustment for GFR estimation in non-African Americans may not be appropriate for use in people of Black ethnicity in the UK.
Rouvick M Gama, Amanda Clery, Kathryn Griffiths, Neil Heraghty, Adrien M Peters, Kieran Palmer, Henry Kibble, Royce P Vincent, Claire C Sharpe, Hugh Cairns, Kate Bramham
2091 related Products with: Estimated glomerular filtration rate equations in people of self-reported black ethnicity in the United Kingdom: Inappropriate adjustment for ethnicity may lead to reduced access to care.1100 100 μg100 mg5025 1 kit1 mg
#34363764 2021/07/19 To Up
Twin Mixed Local Anesthesia in Third Molar Surgery - Randomized Controlled Trial.The aim of this study was to compare the clinical efficacy of injection of 2 long-acting amide local anesthetic agents - bupivacaine and ropivacaine with and without 4 mg dexamethasone in patients undergoing third molar extraction.
Shivangi Gaur, Madhulaxmi Marimuthu, Abdul Wahab, Navaneetha Krishnan, Subhashini Ramasubbu
1945 related Products with: Twin Mixed Local Anesthesia in Third Molar Surgery - Randomized Controlled Trial.96 tests8 inhibitors100 μg50 100 μg1 mg96 tests 100 G100ug Lyophilized
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#34333116 2021/07/30 To Up
Protective effects of long-term probiotic mixture supplementation against pentylenetetrazole-induced seizures, inflammation and oxidative stress in rats.Emerging evidence indicates that dysbiosis of gut microbiota plays an important role in epilepsy, although the underlying mechanisms remain unclear due to the complex nature of both microbial composition and pathophysiology of epilepsy. We investigated effects of long-term probiotics supplementation on epileptic seizures, and inflammatory and oxidant/antioxidant biomarkers in a pentylenetetrazole(PTZ)-induced seizure model in rats. Male Wistar weaner-rats were divided into four groups. The first two groups received 1 ml/day saline solution, while the other groups received 0.05 mg/1ml/day vehicle or 109cfu/1ml/day probiotic-mixture, respectively, for 60 days by gavage. Seizure was induced by a single convulsive dose of PTZ. Seizures were evaluated using Racine's scale. Concentrations of pro-inflammatory cytokines in plasma and brain tissue were determined using ELISA, while oxidant/antioxidant biomarkers were measured using an automated-colorimetric method. Probiotics supplementation exhibited anticonvulsant effects against PTZ-induced seizures by retarding onset-times of both myoclonic-jerk and generalized tonic-clonic seizure, and by shortening duration of generalized tonic-clonic seizure. Additionally, it alleviated PTZ-induced increases in levels of pro-inflammatory cytokines IL-1Î², IL-6, and IL-17A, but not of IFNÎ³, in plasma and brain tissue. Moreover, it restored PTZinduced fluctuations in levels of oxidants TOS and disulfide, and of antioxidants native thiol and total thiol. Our findings suggest that long-term probiotics supplementation exhibits protective effects against epileptic seizures, and alleviates (neuro)inflammation and oxidative stress related to pathophysiology of epilepsy. A probiotic-rich diet provided from childhood may provide prophylaxis against epileptic seizures, especially in susceptible individuals, as the neonate diet represents a fundamental extrinsic factor in establishing gut microbiota.
Erkan Kilinc, Seyit Ankarali, Didem Ayhan, Handan Ankarali, Ibrahim Ethem Torun, Ayhan Cetinkaya
2413 related Products with: Protective effects of long-term probiotic mixture supplementation against pentylenetetrazole-induced seizures, inflammation and oxidative stress in rats.1-8 Sample Kit100.00 ug100 μg 0.1 mg 100 μg16 Arrays/Slide100 μg32-50 Sample Kit100 ul100 μg100 μg4 Sample Kit
#34275826 // To Up
Antioxidant and haematinic effects of methanolic and aqueous methanolic roots extracts of Rauwolfia serpentina Benth in type 2 diabetic mice.Present investigation was carried out to evaluate the antioxidant and haematinic effects of methanolic (MREt) and aqueous methanolic (AqMREt) root extracts of R. serpentina in mice model of type 2 diabetes (T2D). Experimental mice were divided into nine groups (six per group) as: fructose-induced (T2D) diabetic group (distilled water 1ml/kg), negative control (0.05% DMSO 1ml/kg), positive control (pioglitazone 15mg/kg) and six test groups (MREt 10, 30 & 60mg/kg & AqMREt 50, 100 & 150mg/kg). Whereas tenth group was served as normal control (1ml/kg distilled water). All test doses of MREt & AqMREt significantly (p<0.05) decreases the percent inhibition of catalase (CAT) and superoxide dismutase (SOD) when compared with diabetic controls. Treatment with both extracts also improved the total hemoglobin (Hb), red blood cell (RBC), white blood cell (WBC) counts, packed cell volume (PCV), mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH) and mean corpuscular hemoglobin concentration (MCHC) in test groups. Fourier transform infrared (FTIR) spectral analysis revealed the presence of phenols moiety in both extracts. Findings suggested that AqMREt possesses more antioxidant and haematinic potential while the MREt of R. serpentina moderately possesses the same activities, which might be due to the high content of phenols present in AqMREt.
Muhammad Bilal Azmi, Shamim A Qureshi, Shakil Ahmed, Saleha Sultana, Auwais Ahmed Khan, Hina Akram Mudassir
1479 related Products with: Antioxidant and haematinic effects of methanolic and aqueous methanolic roots extracts of Rauwolfia serpentina Benth in type 2 diabetic mice.200ul10 mg200ul200ug200ug96T5mg10 mg5 mg1000 tests
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