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https://www.readbyqxmd.com/read/28431449/peripheral-and-central-glucocorticoid-signaling-contributes-to-positive-energy-balance-in-rats
#1
Tássia Karin Borba, Lígia Cristina Monteiro Galindo, Kelli Nogueira Ferraz-Pereira, Raquel da Silva Aragão, Ana Elisa Toscano, Omar Guzmán-Quevedo, Raul Manhães-de-Castro
The obesity epidemic has been the target of several studies to understand its etiology. The pathophysiological processes that take to obesity generally relate to the rupture of energy balance. This imbalance can result from environmental and/or endogenous events. Among the endogenous events, the hypothalamic-pituitary-adrenal axis, which promotes stress response via glucocorticoid activity, is considered a modulator of energy balance. However, it remains controversial whether the increase in plasma levels of glucocorticoids results in a positive or negative energy balance...
April 21, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28431414/intratracheal-instillation-of-neutrophils-rescues-bacterial-overgrowth-initiated-by-trauma-damage-associated-molecular-patterns
#2
Kiyoshi Itagaki, Ingred Riça, Jing Zhang, Dave Gallo, Melissa DePrato, Leo E Otterbein, Carl J Hauser
BACKGROUND: Nosocomial pneumonias are common in trauma patients and so interventions to prevent and treat nosocomial pneumonia may improve outcomes. Our prior work strongly suggests that tissue injury predisposes to infections like nosocomial pneumonia because mitochondrial debris originating from injured cells contains damage-associated molecular patterns that can reduce neutrophil (PMN) migration into the airway and diminish PMN function in response to bacterial inoculation of the airway...
May 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28431406/erk-expression-and-its-correlation-with-stat1-in-esophageal-squamous-cell-carcinoma
#3
Hu Wang, Ying Zhang, Hailong Yun, Shubiao Chen, Yelong Chen, Zhaoyong Liu
BACKGROUND: Esophageal squamous cell carcinoma is one of leading causes of cancer-related deaths in Chaoshan region a high-risk region for esophageal cancer. Extracellular regulated protein kinases (ERK) usually play an important role in cell proliferation and differentiation. However, accumulating evidence has shown that the ERK was aberrantly expressed in cancers and correlated with STAT1 depression. RESULTS: The activated ERK downregulates STAT1 expression in ESCC cell lines and U0126 increases expression of STAT1...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28431376/trichobezoar-presenting-as-a-gastric-outlet-obstruction-a-case-report
#4
Eugene Nwankwo, Edward Daniele, Erin Woller, John Fitzwater, Thomas McGill, Steven E Brooks
INTRODUCTION: Rapunzel syndrome is a rare intestinal condition that starts with the ingestion of a trichobezoar. The condition is predominately found in females and can be associated with trichotillomania, or the compulsive urge to pull one's own hair out. There are less than 40 cases described in the literature with the prevention of recurrence aimed at psychological treatment. PRESENTATION OF CASE: The patient is a 7 year-old girl with a history of trichotillomania with trichophagia as a young child who presented with abdominal pain, nausea, and vomiting, consistent with a gastric outlet obstruction...
March 16, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28431320/trehalose-supplementation-reduces-hepatic-endoplasmic-reticulum-stress-and-inflammatory-signaling-in-old-mice
#5
Michael J Pagliassotti, Andrea L Estrada, William M Hudson, Yuren Wei, Dong Wang, Douglas R Seals, Melanie L Zigler, Thomas J LaRocca
The accumulation of damaged proteins can perturb cellular homeostasis and provoke aging and cellular damage. Quality control systems, such as the unfolded protein response (UPR), inflammatory signaling and protein degradation, mitigate the residence time of damaged proteins. In the present study, we have examined the UPR and inflammatory signaling in the liver of young (~6 months) and old (~28 months) mice (n=8/group), and the ability of trehalose, a compound linked to increased protein stability and autophagy, to counteract age-induced effects on these systems...
April 6, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28431290/predicting-success-of-vagus-nerve-stimulation-vns-from-eeg-symmetry
#6
REVIEW
Janneke Hilderink, Marleen C Tjepkema-Cloostermans, Anita Geertsema, Janita Glastra-Zwiers, Cecile C de Vos
PURPOSE: Vagus nerve stimulation (VNS) has shown to be an effective treatment for drug resistant epilepsy, with achieving more than 50% seizure reduction in one third of the treated patients. In order to predict which patients will profit from VNS, we previously found that a low pairwise derived Brain Symmetry Index (pdBSI) could potentially predict good responders to VNS treatment. These findings however have to be validated before they can be generalized. METHODS: 39 patients (age 18-68 years) with medically intractable epilepsy who were referred for an implanted VNS system were included...
April 4, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28431282/the-role-of-pharmacologic-modulation-of-autophagy-on-anal-cancer-development-in-an-hpv-mouse-model-of-carcinogenesis
#7
Brooks L Rademacher, Kristina A Matkowskyj, Louise M Meske, Alexis Romero, Hana Sleiman, Evie H Carchman
Autophagy is an intracellular, catabolic process that maintains cellular health. We examined the response of pharmacologic modulation of autophagy in an HPV mouse model of anal carcinogenesis. K14E6/E7 mice were treated with the topical carcinogen DMBA weekly and assessed for tumors over 20 weeks. Concurrently, they were given either chloroquine or BEZ235, to inhibit or induce autophagy, respectively. Time to tumor onset was examined. Immunofluorescence (IF) was performed for LC3β and p62 to examine autophagy...
April 18, 2017: Virology
https://www.readbyqxmd.com/read/28431245/host-microbe-co-metabolism-dictates-cancer-drug-efficacy-in-c-%C3%A2-elegans
#8
Timothy A Scott, Leonor M Quintaneiro, Povilas Norvaisas, Prudence P Lui, Matthew P Wilson, Kit-Yi Leung, Lucia Herrera-Dominguez, Sonia Sudiwala, Alberto Pessia, Peter T Clayton, Kevin Bryson, Vidya Velagapudi, Philippa B Mills, Athanasios Typas, Nicholas D E Greene, Filipe Cabreiro
Fluoropyrimidines are the first-line treatment for colorectal cancer, but their efficacy is highly variable between patients. We queried whether gut microbes, a known source of inter-individual variability, impacted drug efficacy. Combining two tractable genetic models, the bacterium E. coli and the nematode C. elegans, we performed three-way high-throughput screens that unraveled the complexity underlying host-microbe-drug interactions. We report that microbes can bolster or suppress the effects of fluoropyrimidines through metabolic drug interconversion involving bacterial vitamin B6, B9, and ribonucleotide metabolism...
April 20, 2017: Cell
https://www.readbyqxmd.com/read/28431238/reducing-recurrence-of-c-difficile-infection
#9
Michael G Dieterle, Vincent B Young
Clostridium difficile infection (CDI) is facilitated by alteration of the microbiome following antibiotic administration. Antimicrobial therapy directed against the pathogen can treat CDI. Unfortunately, ∼20% of successfully treated patients will suffer recurrence. Bezlotoxumab, a human monoclonal antibody, binds to C. difficile toxin B (TcdB), reducing recurrence presumably by limiting epithelial damage and facilitating microbiome recovery.
April 20, 2017: Cell
https://www.readbyqxmd.com/read/28431198/serum-amylase-and-lipase-and-urinary-trypsinogen-and-amylase-for-diagnosis-of-acute-pancreatitis
#10
REVIEW
Gianluca Rompianesi, Angus Hann, Oluyemi Komolafe, Stephen P Pereira, Brian R Davidson, Kurinchi Selvan Gurusamy
BACKGROUND: The treatment of people with acute abdominal pain differs if they have acute pancreatitis. It is important to know the diagnostic accuracy of serum amylase, serum lipase, urinary trypsinogen-2, and urinary amylase for the diagnosis of acute pancreatitis, so that an informed decision can be made as to whether the person with abdominal pain has acute pancreatitis. There is currently no Cochrane review of the diagnostic test accuracy of serum amylase, serum lipase, urinary trypsinogen-2, and urinary amylase for the diagnosis of acute pancreatitis...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28431176/effect-of-melatonin-on-renewal-of-chicken-small-intestinal-mucosa
#11
J Li, R X Li, G Liu, C F Lv, Y L Mi, C Q Zhang
A higher concentration of melatonin (MEL) in the intestine - even more than that in the plasma and pineal gland - implies its putative important role in the gastrointestinal structural or functional regulation. However, little evidence has shown that MEL can regulate the physiological functions of the intestinal mucosa. In this study, fertilized chicken eggs were treated with MEL (0.1 to 10 μg/d) from embryonic d 12 (E12) to post-hatching d 6 (D6), and the small intestine samples were collected at D6 to determine the changes in mucosal construction and function...
April 20, 2017: Poultry Science
https://www.readbyqxmd.com/read/28430812/nacl-cotransporter-abundance-in-urinary-vesicles-is-increased-by-calcineurin-inhibitors-and-predicts-thiazide-sensitivity
#12
Omar A Z Tutakhel, Arthur D Moes, Marco A Valdez-Flores, Marleen L A Kortenoeven, Mathijs V D Vrie, Sabina Jeleń, Robert A Fenton, Robert Zietse, Joost G J Hoenderop, Ewout J Hoorn, Luuk Hilbrands, René J M Bindels
Animal studies have shown that the calcineurin inhibitors (CNIs) cyclosporine and tacrolimus can activate the thiazide-sensitive NaCl cotransporter (NCC). A common side effect of CNIs is hypertension. Renal salt transporters such as NCC are excreted in urinary extracellular vesicles (uEVs) after internalization into multivesicular bodies. Human studies indicate that CNIs also increase NCC abundance in uEVs, but results are conflicting and no relationship with NCC function has been shown. Therefore, we investigated the effects of CsA and Tac on the abundance of both total NCC (tNCC) and phosphorylated NCC at Thr60 phosphorylation site (pNCC) in uEVs, and assessed whether NCC abundance in uEVs predicts the blood pressure response to thiazide diuretics...
2017: PloS One
https://www.readbyqxmd.com/read/28430664/identification-of-a-novel-pd-l1-positive-solid-tumor-transplantable-in-hla-a-0201-drb1-0101-transgenic-mice
#13
Laurie Rangan, Jeanne Galaine, Romain Boidot, Mohamad Hamieh, Magalie Dosset, Julie Francoual, Laurent Beziaud, Jean-René Pallandre, Elodie Lauret Marie Joseph, Afag Asgarova, Christophe Borg, Talal Al Saati, Yann Godet, Jean Baptiste Latouche, Séverine Valmary-Degano, Olivier Adotévi
HLA-A*0201/DRB1*0101 transgenic mice (A2/DR1 mice) have been developed to study the immunogenicity of tumor antigen-derived T cell epitopes. To extend the use and application of this mouse model in the field of antitumor immunotherapy, we described a tumor cell line generated from a naturally occurring tumor in A2/DR1 mouse named SARC-L1. Histological and genes signature analysis supported the sarcoma origin of this cell line. While SARC-L1 tumor cells lack HLA-DRB1*0101 expression, a very low expression of HLA-A*0201 molecules was found on these cells...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430584/short-and-long-term-outcomes-of-laparoscopy-assisted-versus-open-total-gastrectomy-for-gastric-cancer-a-propensity-score-matched-analysis
#14
Jian-Xian Lin, Ju-Li Lin, Chao-Hui Zheng, Ping Li, Jian-Wei Xie, Jia-Bin Wang, Jun Lu, Qi-Yue Chen, Long-Long Cao, Mi Lin, Ru-Hong Tu, Ze-Ning Huang, Chang-Ming Huang
BACKGROUND: Few studies have been designed to evaluate the short- and long-term outcomes of laparoscopy-assisted total gastrectomy (LATG), and a retrospective study of a large patient cohort is valuable before conducting randomized controlled clinical trials. RESULTS: Among all patients, age, tumor location, histologic type, pT stage, pN stage and pTNM stage significantly differed between the LATG group and OTG group. After the propensity score matching, the clinicopathological characteristics did not significantly differ between groups...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430378/treating-paget-s-disease-why-and-how-much
#15
Tim Cundy
Paget's disease (PDB) is a benign chronic focal disorder of older people. Affected bones have greatly accelerated bone turnover, a chaotic structure and are highly vascular. People with PDB are commonly asymtomatic but can also suffer chronic bone pain. Affected bones may become enlarged and deformed; and they are also liable to fracture. This article is protected by copyright. All rights reserved.
April 21, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28430367/effect-of-dalteparin-administration-on-thrombin-generation-kinetics-in-healthy-dogs
#16
Carolyn Gara-Boivin, Jérôme R E Del Castillo, Marilyn E Dunn, Christian Bédard
BACKGROUND: Dalteparin is used to prevent thrombotic complications in dogs. Measurement of anti-factor Xa (anti-FXa) activity is currently used for monitoring therapy, but remains a nonfunctional test. The calibrated automated thrombogram (CAT) could be a suitable approach for functional monitoring. OBJECTIVES: We hypothesized that the CAT will detect decreased endogenous thrombin potential (ETP) in healthy dogs receiving dalteparin. METHODS: Twenty-four healthy adult Beagles were randomly allocated to 4 equal groups...
April 21, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28430345/healing-response-of-rat-pulp-treated-with-an-injectable-keratin-hydrogel
#17
Lavanya Ajay Sharma, Robert M Love, Mohammad A Ali, Ajay Sharma, Soraia Macari, Avadhoot Avadhani, George J Dias
BACKGROUND: Keratin has shown promising outcomes as a biomaterial due to its inherent bioactivity, biocompatibility and regenerative effects. The effect of keratin on repair and regeneration of dental tissues has never been studied before. Current therapies to treat pulp tissues involve its replacement with inert, synthetic materials that do not have a proper biological function, leading to failure and tooth loss. This study aimed to develop a biocompatible keratin hydrogel (KH) suitable for pulp therapies...
April 20, 2017: Journal of Applied Biomaterials & Functional Materials
https://www.readbyqxmd.com/read/28430241/probing-the-germination-kinetics-of-ethanol-treated-bacillus-thuringiensis-spores
#18
Guiwen Wang, Huanjun Chen, Xiaochun Wang, Lixin Peng, Yuan Peng, Yong-Qing Li
Bacillus thuringiensis (Bt) is the most widely used microbial insecticide. To clarify the mechanism of bacterial resistance to ethanol toxicity, the present study investigated the effects of 70% (v/v) ethanol at a moderate temperature (65°C) on Bt spore germination by single-cell Raman spectroscopy and differential interference contrast microscopy. We found that over 80% of Bt spores were inviable after 30 min of treatment. Moreover, ethanol treatment affected spore germination; the time for initiation of rapid calcium dipicolinate (CaDPA) release (i...
April 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28430167/induced-pluripotent-stem-cell-modeling-of-gaucher-s-disease-what-have-we-learned
#19
REVIEW
Dino Matias Santos, Gustavo Tiscornia
Gaucher's disease (GD) is the most frequently inherited lysosomal storage disease, presenting both visceral and neurologic symptoms. Mutations in acid β-glucocerebrosidase disrupt the sphingolipid catabolic pathway promoting glucosylceramide (GlcCer) accumulation in lysosomes. Current treatment options are enzyme replacement therapy (ERT) and substrate reduction therapy (SRT). However, neither of these approaches is effective in treating the neurological aspect of the disease. The use of small pharmacological compounds that act as molecular chaperones is a promising approach that is still experimental...
April 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28430165/treatments-for-latrodectism-a-systematic-review-on-their-clinical-effectiveness
#20
REVIEW
Nicole M Ryan, Nicholas A Buckley, Andis Graudins
Latrodectism or envenomation by widow-spiders is common and clinically significant worldwide. Alpha-latrotoxin is the mammalian-specific toxin in the venom that results in toxic effects observed in humans. Symptoms may be incapacitating and include severe pain that can persist for days. The management of mild to moderate latrodectism is primarily supportive while severe cases have variously been treated with intravenous calcium, muscle relaxants, widow-spider antivenom and analgesic opioids. The object of this systematic review is to examine the literature on the clinical effectiveness of past and current treatments for latrodectism...
April 21, 2017: Toxins
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