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https://www.readbyqxmd.com/read/29332332/a-study-on-cellular-immune-function-of-patients-treated-with-radical-resection-of-pulmonary-carcinoma-with-two-different-methods-of-anesthesia-and-analgesia
#1
Jie Chen, Feng Luo, Min Lei, Zhoumiao Chen
PURPOSE: To compare the influence on the immune system of two different methods of anesthesia and analgesia in patients treated with radical resection of pulmonary carcinoma. METHODS: Thirty-four patients treated with radical resection of pulmonary carcinoma were randomly divided into two groups (group A and group B, 17 cases in each group). Patients in group A were administered total intravenous anesthesia (TIVA) without inhaled hypnotics and intravenous analgesia while patients in group B were administered TIVA combined with epidural anesthesia and epidural analgesia...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29332257/kynurenic-acid-and-its-derivatives-are-able-to-modulate-the-adhesion-and-locomotion-of-brain-endothelial-cells
#2
Eszter Lajkó, Bernadett Tuka, Ferenc Fülöp, István Krizbai, József Toldi, Kálmán Magyar, László Vécsei, László Kőhidai
The neuroprotective actions of kynurenic acid (KYNA) and its derivatives in several neurodegenerative disorders [characterized by damage to the cerebral endothelium and to the blood-brain barrier (BBB)] are well established. Cell-extracellular matrix (ECM) adhesion is supposedly involved in recovery of impaired cerebral endothelium integrity (endothelial repair). The present work aimed to investigate the effects of KYNA and its synthetic derivatives on cellular behaviour (e.g. adhesion and locomotion) and on morphology of the GP8 rat brain endothelial cell line, modeling the BBB endothelium...
January 13, 2018: Journal of Neural Transmission
https://www.readbyqxmd.com/read/29332196/bioelectronic-modulation-of-carotid-sinus-nerve-activity-in-the-rat-a-potential-therapeutic-approach-for-type-2-diabetes
#3
Joana F Sacramento, Daniel J Chew, Bernardete F Melo, Matteo Donegá, Wesley Dopson, Maria P Guarino, Alison Robinson, Jesus Prieto-Lloret, Sonal Patel, Bradley J Holinski, Nishan Ramnarain, Victor Pikov, Kristoffer Famm, Silvia V Conde
AIMS/HYPOTHESIS: A new class of treatments termed bioelectronic medicines are now emerging that aim to target individual nerve fibres or specific brain circuits in pathological conditions to repair lost function and reinstate a healthy balance. Carotid sinus nerve (CSN) denervation has been shown to improve glucose homeostasis in insulin-resistant and glucose-intolerant rats; however, these positive effects from surgery appear to diminish over time and are heavily caveated by the severe adverse effects associated with permanent loss of chemosensory function...
January 14, 2018: Diabetologia
https://www.readbyqxmd.com/read/29332143/conjunction-of-g-quadruplex-and-stem-loop-in-the-5-untranslated-region-of-mouse-hepatocyte-nuclear-factor-4-alpha1-mediates-strong-inhibition-of-protein-expression
#4
Shangdong Guo, Hong Lu
Hepatocyte nuclear factor 4-alpha (HNF4α) is a well-established master regulator of liver development and function. Restoration of HNF4α can treat multiple liver disorders and liver cancers. To date, HNF4α is still "undruggable" due to lack of known activating ligands. Thus, understanding the regulatory mechanism of HNF4α expression may help develop an alternative approach to modulate HNF4α protein levels. G-quadruplexes (G4) are non-canonical stable secondary structures discovered mostly in the promoters of oncogenes...
January 13, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29331939/volumetric-muscle-loss-injury-repair-using-in-situ-fibrin-gel-cast-seeded-with-muscle-derived-stem-cells-mdscs
#5
Nadine Matthias, Samuel D Hunt, Jianbo Wu, Jonathan Lo, Laura A Smith Callahan, Yong Li, Johnny Huard, Radbod Darabi
Volumetric muscle defect, caused by trauma or combat injuries, is a major health concern leading to severe morbidity. It is characterized by partial or full thickness loss of muscle and its bio-scaffold, resulting in extensive fibrosis and scar formation. Therefore, the ideal therapeutic option is to use stem cells combined with bio-scaffolds to restore muscle. For this purpose, muscle-derived stem cells (MDSCs) are a great candidate due to their unique multi-lineage differentiation potential. In this study, we evaluated the regeneration potential of MDSCs for muscle loss repair using a novel in situ fibrin gel casting...
January 9, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29331880/preventive-effects-of-indole-3-carbinol-against-alcohol-induced-liver-injury-in-mice-via-antioxidant-anti-inflammatory-and-anti-apoptotic-mechanisms-role-of-gut-liver-adipose-tissue-axis
#6
Youngshim Choi, Mohamed A Abdelmegeed, Byoung-Joon Song
Indole-3-carbinol (I3C), found in Brassica family vegetables, exhibits antioxidant, anti-inflammatory, and anti-cancerous properties. Here, we aimed to evaluate the preventive effects of I3C against ethanol (EtOH)-induced liver injury and study the protective mechanism(s) by using the well-established chronic-plus-binge alcohol exposure model. The preventive effects of I3C were evaluated by conducting various histological, biochemical, and real-time PCR analyses in mouse liver, adipose tissue, and colon, since functional alterations of adipose tissue and intestine can also participate in promoting EtOH-induced liver damage...
December 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29331845/effect-of-levetiracetam-on-extracellular-amino-acid-levels-in-the-dorsal-hippocampus-of-rats-with-temporal-lobe-epilepsy
#7
Pichardo Macías Luz Adriana, Ramírez Mendiola Blanca Alcira, Contreras García Itzel Jatziri, Zamudio Hernández Sergio Roberto, Chávez Pacheco Juan Luis, Sánchez Huerta Karla Berenice, Mendoza Torreblanca Julieta Griselda
Levetiracetam (LEV) is an anticonvulsant drug with a unique mechanism of action that is not completely understood. However, its activity profile may involve effects on excitatory and/or inhibitory neurotransmission since the primary target of LEV, synaptic vesicle protein 2A, is ubiquitously expressed in all types of synaptic vesicles. Therefore, the objective of the present study was to explore the effect of LEV (300 mg/kg/day for one week, administered via osmotic mini-pumps) on neurotransmitter release and its probable selective effect on extracellular gamma-amino butyric acid (GABA), glutamate (Glu), aspartate (Asp), glutamine (Gln), taurine (Tau) and glycine (Gly) concentrations (using in vivo microdialysis under basal and high-K+ conditions) in the dorsal hippocampus (DH), a region that undergoes major synaptic changes during epilepsy...
January 5, 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29331828/a-recovery-time-after-warming-restores-mitochondrial-function-and-improves-developmental-competence-of-vitrified-ovine-oocytes
#8
Sara Succu, Sergio Domenico Gadau, Elisa Serra, Angelo Zinellu, Ciriaco Carru, Cristian Porcu, Salvatore Naitana, Fiammetta Berlinguer, Giovanni Giuseppe Leoni
The aim of the present study was to assess the ability of vitrified/warmed oocyte to recover from vitrification-induced damages after warming. In vitro matured, vitrified/warmed ovine oocytes were assessed for developmental competence, mitochondrial activity and distribution, ATP, ROS and catalase levels during 6 h of in vitro culture using fresh oocytes as control. ATP content in vitrified oocytes was lower than control during 4 h of post warming culture (p < .01). Vitrified oocytes were able to fill this gap only after 6 h of post-warming incubation...
December 26, 2017: Theriogenology
https://www.readbyqxmd.com/read/29331800/nucleus-accumbens-mu-opioid-receptors-regulate-context-specific-social-preferences-in-the-juvenile-rat
#9
Caroline J W Smith, Kevin B Wilkins, Sara Li, Maxwell T Tulimieri, Alexa H Veenema
The μ opioid receptor (MOR) in the nucleus accumbens (NAc) is involved in assigning pleasurable, or hedonic value to rewarding stimuli. Importantly, the hedonic value of a given rewarding stimulus likely depends on an individual's current motivational state. Here, we examined the involvement of MORs in the motivation to interact with a novel or a familiar (cage mate) conspecific in juvenile rats. First, we demonstrated that the selective MOR antagonist CTAP administered into the NAc reduces social novelty preference of juvenile males, by decreasing the interaction time with the novel conspecific and increasing the interaction time with the cage mate...
December 30, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29331773/impact-of-co-exposure-of-aldrin-and-titanium-dioxide-nanoparticles-at-biochemical-and-molecular-levels-in-zebrafish
#10
Reena C Jhamtani, Saurabh Shukla, P Sivaperumal, M S Dahiya, Rakhi Agarwal
Aldrin (ALD), a persistent-organic-pollutant (POP), an organochlorine-cyclodiene-pesticide is highly toxic in nature. Titanium dioxide nanoparticles (TNP) are widely used for various industrial applications. Despite the remarkable research on pesticide toxicity, the work with impact of nanoparticles on POP has been dealt with marginally. Chemicals co-exist in the environment and exhibit interactive effects. An investigation was carried out to evaluate the individual and combined effects of ALD (6 ppm) and TNP (60 ppm) exposure at sub-lethal concentration for 24 h in zebrafish...
December 27, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29331762/suppression-of-capn4-by-microrna-1271-impedes-the-proliferation-and-invasion-of-colorectal-cancer-cells
#11
Jibin Li, Jian Xu, Xiaofei Yan, Keer Jin, Wenya Li, Rui Zhang
Accumulating evidence has suggested that calpain small subunit 1 (Capn4) plays an important role in the development and progression of malignant tumors. However, little is known about the role of Capn4 in colorectal cancer (CRC). In this study, we aimed to investigate the potential role of Capn4 in CRC and the regulation of Capn4 by microRNAs (miRNAs). Here, we found that Capn4 expression was highly up-regulated in CRC cell lines. Knockdown of Capn4 by siRNA significantly inhibited the proliferation and invasion of CRC cell lines...
January 10, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29331650/echocardiographic-patterns-of-postresuscitation-myocardial-dysfunction
#12
Kyoung-Chul Cha, Hyung Il Kim, Oh Hyun Kim, Yong Sung Cha, Hyun Kim, Kang Hyun Lee, Sung Oh Hwang
BACKGROUND: Postresuscitation myocardial dysfunction (PRMD) can develop after successful resuscitation from cardiac arrest. However, echocardiographic patterns of PRMD remain unknown. This study aimed to investigate PRMD manifestations with serial echocardiography during the post-cardiac arrest period. METHODS: We enrolled non-traumatic out-of-hospital cardiac arrest patients older than 19 years who underwent successful cardiopulmonary resuscitation (CPR). We excluded patients with myocardial infarction or pre-existing cardiac disease, including heart failure or myocardial disease...
January 11, 2018: Resuscitation
https://www.readbyqxmd.com/read/29331625/proposing-priorities-of-intervention-for-the-recovery-of-native-fish-populations-using-hierarchical-ranking-of-environmental-and-exotic-species-impact
#13
V G Aschonitis, A Gavioli, M Lanzoni, E A Fano, C Feld, G Castaldelli
The freshwater populations of native fish species (Ns) have reached critical levels in many parts of the world due to combined habitat deterioration by human interventions and exotic fish species (Es) invasions. These alarming conditions require combined and well-designed interventions for restoring environmental quality and restricting Es invasion. The aim of the study is to propose a method to design spatially explicit priorities of intervention for the recovery of Ns populations in highly impacted freshwater systems by exotic multi-species invasion and water quality (WQ) degradation...
January 10, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29331497/dietary-antioxidant-micronutrients-alter-mucosal-inflammatory-risk-in-a-murine-model-of-genetic-and-microbial-susceptibility
#14
Joseph F Pierre, Reinhard Hinterleitner, Romain Bouziat, Nathan A Hubert, Vanessa Leone, Jun Miyoshi, Bana Jabri, Eugene B Chang
Inflammatory bowel diseases (IBD) are caused by the convergence of microbial, environmental, and genetic factors. Diet significantly alters these interactions by affecting both the host and microbiome. Using a mucosal inflammatory model that resembles the human condition of ileal pouchitis, we investigated the effects of Control (CONT) or Antioxidant (AOX) diet, containing pharmacologically relevant levels of 4 micronutrients, on disease risk in wild-type and IL-10-/- animals following surgical self-filling (SF) ileal blind loop placement...
December 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29331421/hyperglycaemia-induced-mir-301a-promotes-cell-proliferation-by-repressing-p21-and-smad4-in-prostate-cancer
#15
Xiaojuan Li, Jun Li, Yi Cai, Shubin Peng, Jun Wang, Zhaoming Xiao, Yu Wang, Yiran Tao, Jun Li, Qu Leng, Dinglan Wu, Shaodong Yang, Ziliang Ji, Yuefu Han, Liren Li, Xin Gao, Chunxian Zeng, Xingqiao Wen
Hyperglycaemia promotes the development of Prostate cancer (PCa). However, the roles of miRNAs in this disease process and the underlying mechanisms are largely unknown. In this study, we recruited 391 PCa patients in China and found that PCa patients with high level blood glucose (≥100 mg/dL) trended to have high Gleason score (GS≥7). miRNA-301a levels were significantly higher in prostate cancer than that in normal prostate tissues. Hyperglycaemia or high glucose treatment induced miR-301a expression in prostate tissues or PCa cell lines...
January 10, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29331417/down-regulation-of-rip3-potentiates-cisplatin-chemoresistance-by-triggering-hsp90-erk-pathway-mediated-dna-repair-in-esophageal-squamous-cell-carcinoma
#16
Yulin Sun, Linhui Zhai, Shouzhi Ma, Chengpu Zhang, Lina Zhao, Ning Li, Yang Xu, Tao Zhang, Zhimin Guo, Heng Zhang, Ping Xu, Xiaohang Zhao
Receptor interacting protein kinase 3 (RIP3) is a critical regulator of programmed necrotic cell death. Here, we observed that RIP3 was significantly down-regulated in esophageal cancer. And its remaining expression was associated with better response to chemotherapy and prolonged survival. Notably, re-expression of kinase-dead RIP3 also restored cisplatin sensitivity, suggesting that some roles of RIP3 beyond necroptosis may be involved in cisplatin-based chemosensitivity. To investigate the mechanisms, a large-scale quantitative proteomics study was performed after cisplatin treatment in RIP3-knockdown cells...
January 10, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29331224/centrifugal-partition-chromatography-enables-selective-enrichment-of-trimeric-and-tetrameric-proanthocyanidins-for-biomaterial-development
#17
Rasika S Phansalkar, Joo-Won Nam, Shao-Nong Chen, James B McAlpine, Ariene A Leme, Berdan Aydin, Ana-Karina Bedran-Russo, Guido F Pauli
Proanthocyanidins (PACs) find wide applications for human use including food, cosmetics, dietary supplements, and pharmaceuticals. The chemical complexity associated with PACs has triggered the development of various chromatographic techniques, with countercurrent separation (CCS) gaining in popularity. This study applied the recently developed DESIGNER (Depletion and Enrichment of Select Ingredients Generating Normalized Extract Resources) approach for the selective enrichment of trimeric and tetrameric PACs using centrifugal partition chromatography (CPC)...
December 21, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29331091/terminal-spreading-depolarization-and-electric-silence-in-death-of-human-cortex
#18
Jens P Dreier, Sebastian Major, Brandon Foreman, Maren K L Winkler, Eun-Jeung Kang, Denny Milakara, Coline L Lemale, Vince DiNapoli, Jason M Hinzman, Johannes Woitzik, Norberto Andaluz, Andrew Carlson, Jed A Hartings
OBJECTIVE: Restoring the circulation is the primary goal in emergency treatment of cerebral ischemia. However, better understanding of how the brain responds to energy depletion could inform the time available for resuscitation until irreversible damage and advance development of interventions that prolong this span. Experimentally, injury to central neurons begins only with anoxic depolarization. This potentially reversible, spreading wave typically starts 2-5 min after the onset of severe ischemia, marking the onset of a toxic intraneuronal change that eventually results in irreversible injury...
January 13, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29331052/flow-pattern-analysis-in-type-b-aortic-dissection-patients-after-stent-grafting-repair-comparison-between-complete-and-incomplete-false-lumen-thrombosis
#19
Wan Naimah Wan Ab Naim, Poo Balan Ganesan, Zhonghua Sun, Jing Lei, Shirley Jansen, Shahrul Amry Hashim, Teik Kok Ho, Einly Lim
Endovascular stent graft repair has become a common treatment for complicated Stanford Type B aortic dissection in order to restore true lumen flow and induce false lumen thrombosis. Using computational fluid dynamics, this study reports the differences in flow patterns and wall shear stress distribution in complicated Stanford Type B aortic dissection patients after endovascular stent graft repair. Five patients were included in this study: two having more than 80% false lumen thrombosis (Group 1), while three others had less than 80% false lumen thrombosis (Group 2) within one year following endovascular repair...
January 13, 2018: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/29330869/three-year-analysis-of-zirconia-implants-used-for-single-tooth-replacement-and-three-unit-fixed-dental-prostheses-a-prospective-multicenter-study
#20
Marc Balmer, Benedikt C Spies, Kirstin Vach, Ralf-Joachim Kohal, Christoph H F Hämmerle, Ronald E Jung
AIM: The aim of the present investigation was to evaluate clinically and radiographically the outcome of zirconia oral implants after 3 years in function. MATERIALS AND METHODS: In 60 patients in need of either a single-tooth replacement or a three-unit fixed dental prosthesis (FDP), a total of 71 one-piece zirconia implants were placed and immediately restored with temporary fixed prostheses. After a period of at least 2 months in the mandible and at least 4 months in the maxilla, zirconia-based reconstructions were cemented...
January 12, 2018: Clinical Oral Implants Research
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