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https://www.readbyqxmd.com/read/28811794/comparing-the-effects-of-two-different-contact-lenses-on-corneal-re-epithelialization-after-corneal-collagen-cross-linking
#1
Yusuf Kocluk, Savas Cetinkaya, Emine Alyamac Sukgen, Murat Günay, Alper Mete
OBJECTIVE: To investigate whether keratoconus (KC) patients who applied the corneal collagen cross-linking (CXL) and two different contact lens (CL) showed any differences in complaints and findings following the CXL. METHODS: This prospective, comparative, double-blind clinical study involved 60 eyes of 60 patients (38 female and 22 male). At the end of the CXL procedure, CL (Balafilcon A) was inserted in 29 patients (Group-1) while CL with different material content (Hioxifilcon A) designed for therapeutic/bandage purposes were inserted in 31 patients (Group-2)...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28808761/the-underappreciated-risk-of-thrombosis-and-bleeding-in-patients-with-myelofibrosis-a-review
#2
REVIEW
Devendra Kc, Lorenzo Falchi, Srdan Verstovsek
Bleeding and thrombosis are long recognized complications of myelofibrosis (MF) and contribute significantly to its morbidity and mortality. However, so far, few studies have evaluated the frequency of these events, their characteristics, and their prognostic impact. Based on these studies, thrombotic events in MF are about as common as in essential thrombocytemia (ET) but less common than in polycythemia vera (PV), while bleeding events are relatively more common in MF than in ET or PV. The emergence of the concept of prefibrotic primary MF (PMF), which is associated with a higher frequency of thrombohemorrhagic complications than ET, and the growing evidence that prefibrotic PMF may also have a different thrombotic and bleeding risk profiles than fibrotic (overt) PMF have emphasized the need for a reappraisal of the risk of thrombosis and hemorrhage in patients with MF...
August 14, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28806641/acute-ethanol-administration-results-in-a-protective-cytokine-and-neuroinflammatory-profile-in-traumatic-brain-injury
#3
Akila Chandrasekar, Florian Olde Heuvel, Annette Palmer, Birgit Linkus, Albert C Ludolph, Tobias M Boeckers, Borna Relja, Markus Huber-Lang, Francesco Roselli
Ethanol intoxication is a common comorbidity in traumatic brain injury. To date, the effect of ethanol on TBI pathogenic cascades and resulting outcomes remains debated. A closed blunt weight-drop murine TBI model has been implemented to investigate behavioral (by sensorimotor and neurological tests), and neuro-immunological (by tissue cytokine arrays and immuno-histology) effects of ethanol intoxication on TBI. The effect of the occurrence of traumatic intracerebral hemorrhage was also studied. The results indicate that ethanol pretreatment results in a faster and better recovery after TBI with reduced infiltration of leukocytes and reduced microglia activation...
August 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28804705/possible-involvement-of-liver-resident-macrophages-kupffer-cells-in-the-pathogenesis-of-both-intrahepatic-and-extrahepatic-inflammation
#4
Yuki Kakinuma, Takuya Kimura, Yoshifumi Watanabe
Liver resident macrophages designated Kupffer cells (KCs) form the largest subpopulation of tissue macrophages. KCs are involved in the pathogenesis of liver inflammation. However, the role of KCs in the systemic inflammation is still elusive. In this study, we examined whether KCs are involved in not only intrahepatic inflammation but also extrahepatic systemic inflammation. Administration of clodronate liposomes resulted in the KC deletion and in the suppression of liver injury in T cell-mediated hepatitis by ConA as a local acute inflammation model, while the treatment did not influence dextran sulfate sodium- (DSS-) induced colitis featured by weight loss, intestinal shrink, and pathological observation as an ectopic local acute inflammation model...
2017: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28801624/stingray-venom-activates-il-33-producing-cardiomyocytes-but-not-mast-cell-to-promote-acute-neutrophil-mediated-injury
#5
Janaina Cardoso Dos Santos, Lidiane Zito Grund, Carla Simone Seibert, Elineide Eugênio Marques, Anderson Brito Soares, Valerie F Quesniaux, Bernhard Ryffel, Monica Lopes-Ferreira, Carla Lima
One of the hallmarks of acute inflammation is neutrophil infiltration of tissues. We investigated molecular mechanisms implicated in acute neutrophilic inflammation induced by the venom of a freshwater stingray (Potamotrygon cf. henlei) in mice. Ray venom induced early mobilization of neutrophil in the microvasculature of cremaster mice and infiltration of the peritoneal cavity 2 hours after injury, in a dose-response manner. IL-1β, IL-6, TNF-α, and KC were produced. The neutrophilic infiltration did not occur in mice with ST2 receptor and MyD88 adapters neutralized, or in those with PI3K and p38 MAPK signaling blocked...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28791487/metformin-attenuates-the-tlr4-inflammatory-pathway-in-skeletal-muscle-of-diabetic-rats
#6
Leonardo Gomes Peixoto, Renata Roland Teixeira, Danielle Diniz Vilela, Lara Naves Barbosa, Douglas Carvalho Caixeta, Simone Ramos Deconte, Fernanda de Assis de Araújo, Robinson Sabino-Silva, Foued Salmen Espindola
AIMS: Inflammation induced by hyperglycemia triggers the toll-like receptor (TLR) pathway into cells. Our hypothesis was that metformin treatment attenuates the TLR signaling pathways triggered by inflammation in skeletal muscle of hypoinsulinemic/hyperglycemic STZ-induced rats. Thus, we examined TLR signaling under hypoinsulinemia and hyperglycemia conditions and its correlation with insulin resistance in muscle of diabetic rats treated with metformin. METHODS: Ten-day diabetic rats were submitted to 7 days of saline (D group) or metformin (500 mg/kg once per day) (D + M group)...
August 9, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28790819/kalopanacis-cortex-extract-capped-gold-nanoparticles-activate-nrf2-signaling-and-ameliorate-damage-in-human-neuronal-sh-sy5y-cells-exposed-to-oxygen-glucose-deprivation-and-reoxygenation
#7
Sun Young Park, Seon Yeong Chae, Jin Oh Park, Kyu Jin Lee, Geuntae Park
Recently, environment-friendly synthesis of gold nanoparticles (GNPs) has been extensively explored by biologists and chemists. However, significant research is still required to determine whether "eco-friendly" GNPs are beneficial to human health and to elucidate the molecular mechanisms of their effects on human cells. We used human neuronal SH-SY5Y cells to show that treatment with Kalopanacis Cortex extract-capped GNPs (KC-GNs), prepared via an eco-friendly, fast, one-pot synthetic route, protected neuronal cells against oxygen-glucose deprivation/reoxygenation (OGD/R)-induced damage...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28789683/voluntary-running-exercise-protects-against-sepsis-induced-early-inflammatory-and-pro-coagulant-responses-in-aged-mice
#8
Karel Tyml, Scott Swarbreck, Cynthia Pape, Dan Secor, James Koropatnick, Qingping Feng, Ruud A W Veldhuizen, Sean E Gill
BACKGROUND: Despite many animal studies and clinical trials, mortality in sepsis remains high. This may be due to the fact that most experimental studies of sepsis employ young animals, whereas the majority of septic patients are elderly (60 - 70 years). The objective of the present study was to examine the sepsis-induced inflammatory and pro-coagulant responses in aged mice. Since running exercise protects against a variety of diseases, we also examined the effect of voluntary running on septic responses in aged mice...
August 8, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28775384/room-temperature-ferroelectricity-in-fluoroperovskite-thin-films
#9
Ming Yang, Amit Kc, A C Garcia-Castro, Pavel Borisov, E Bousquet, David Lederman, Aldo H Romero, Cheng Cen
The NaMnF3 fluoride-perovskite has been found, theoretically, to be ferroelectric under epitaxial strain becoming a promising alternative to conventional oxides for multiferroic applications. Nevertheless, this fluoroperovskite has not been experimentally verified to be ferroelectric so far. Here we report signatures of room temperature ferroelectricity observed in perovskite NaMnF3 thin films grown on SrTiO3. Using piezoresponse force microscopy, we studied the evolution of ferroelectric polarization in response to external and built-in electric fields...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28775227/immunoglobulin-g-testing-in-the-diagnosis-of-food-allergy-and-intolerance
#10
T H Lee, Y Y Wu, J Kc Chan, H K Ho, P H Li, J Sd Rosa Duque
No abstract text is available yet for this article.
August 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28774592/vitamin-d3-produced-by-skin-exposure-to-uvr-inhibits-murine-basal-cell-carcinoma-carcinogenesis
#11
Anastasia Makarova, Grace Wang, John A Dolorito, Subheksha Kc, Eileen Libove, Ervin H Epstein
The effect of ultraviolet radiation (UVR) on human basal cell carcinoma (BCC) epidemiology is complex - the incidence rises until approximately 30,000 hours of lifetime sunlight exposure and then plateaus. We hypothesize that UVR has opposing effects on BCC carcinogenesis - stimulatory via mutagenesis, etc. and inhibitory via production of hedgehog-inhibiting vitamin D3 (D3). We find that UVR exposure of ionizing radiation (IR)-treated Ptch1(+/-) mice accelerates BCC carcinogenesis in male mice, in which UVR does not produce D3...
July 31, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28763562/chondroitin-sulfate-based-biocompatible-crosslinker-restores-corneal-mechanics-and-collagen-alignment
#12
Xiaokun Wang, Shoumyo Majumdar, Garret Ma, Jeeyeon Sohn, Samuel C Yiu, Walter Stark, Awad Al-Qarni, Deepak P Edward, Jennifer H Elisseeff
Purpose: To evaluate the crosslinking effect of functionalized chondroitin sulfate (CS) in an ex vivo rabbit cornea model. Methods: Chondroitin sulfate molecules were chemically modified with the N-hydroxysuccinimide (NHS) group. Enucleated rabbit eyes were crosslinked with 2, 5, or 10 mg/mL CS-NHS solution for 30 or 60 minutes. The CS-NHS penetration, corneal swelling ratio, Young's modulus, and ultrastructure of the crosslinked corneas were characterized. In addition, rabbit corneas were further treated with a collagenase-chondroitinase solution to create an ex vivo keratoconus (KC)-like model...
August 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28755848/the-use-of-brazilian-propolis-for-discovery-and-development-of-novel-anti-inflammatory-drugs
#13
REVIEW
Marcelo Franchin, Irlan Almeida Freires, Josy Goldoni Lazarini, Bruno Dias Nani, Marcos Guilherme da Cunha, David Fernando Colón, Severino Matias de Alencar, Pedro Luiz Rosalen
Anti-Inflammatory drugs have been routinely used in the management of acute and chronic inflammatory conditions. Nevertheless, their undesirable side and adverse effects have encouraged the development of more selective, tolerable and efficacious drugs able to modulate the inflammatory process through distinct mechanisms than those of drugs currently available in the market, for instance, inhibition of leukocyte recruitment (chemotaxis, rolling, adhesion and transmigration). Natural products, including Brazilian propolis, have been considered a rich source of anti-inflammatory molecules due to a very complex phytochemical diversity...
June 27, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28753795/postoperative-30-day-mortality-rates-for-kidney-cancer-are-dependent-on-hospital-surgical-volume-results-from-a-norwegian-population-based-study
#14
Karin M Hjelle, Tom B Johannesen, Christian Beisland
BACKGROUND: To improve cancer care in Norway, the government introduced surgical volume requirements for hospitals in 2015. To treat kidney cancer (KC) in Norway, the lower limit is 20 surgical procedures per year. OBJECTIVES: To compare the impact of hospital volume on outcome with regard to 30-d mortality (TDM) following KC surgery. DESIGN, SETTING, AND PARTICIPANTS: We identified all KC patients from the Cancer Registry of Norway diagnosed during 2008-2013 whose surgical treatment involved partial or radical nephrectomy...
October 22, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28750366/prophylactic-treatment-with-cerium-oxide-nanoparticles-attenuate-hepatic-ischemia-reperfusion-injury-in-sprague-dawley-rats
#15
Nandini D P K Manne, Ravikumar Arvapalli, Vincent A Graffeo, Venkata V K Bandarupalli, Tolou Shokuhfar, Sweetu Patel, Kevin M Rice, Gautam Kumar Ginjupalli, Eric R Blough
BACKGROUND: Hepatic ischemia reperfusion is one the main causes for graft failure following transplantation. Although, the molecular events that lead to hepatic failure following ischemia reperfusion (IR) are diverse and complex, previous studies have shown that excessive formation of reactive oxygen species (ROS) are responsible for hepatic IR injury. Cerium oxide (CeO2) nanoparticles have been previously shown to act as an anti-oxidant and anti-inflammatory agent. Here, we evaluated the protective effects of CeO2 nanoparticles on hepatic ischemia reperfusion injury...
July 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28746320/c-reactive-protein-in-periodontitis-and-its-comparison-with-body-mass-index-and-smoking-behaviour
#16
S Gupta, S Pradhan, S Kc, S Shakya, M Giri
INTRODUCTION: Chronic periodontitis is an infectious disease resulting in inflammation within the supporting tissues of the teeth, progressive attachment loss, and bone loss. In addition to declining oral health, there is always low grade infection present in periodontitis. Studies show increased levels of systemic biomarkers in periodontal disease such as CRP, which is considered a key-marker of CVD. Research has also shown positive association between BMI and smoking with periodontitis and CRP...
April 2017: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/28746317/acute-upper-gastrointestinal-bleeding-in-a-tertiary-care-centre-of-nepal
#17
M S Paudel, S Kc, A K Mandal, N S Poudyal, R Shrestha, B N Paudel, S Chaudhary
INTRODUCTION: AUGIB is characterized by hematemesis or melena or both. Peptic ulcers and variceal bleed account for majority of cases. Use of proton pump inhibitors in current era is associated with a gradual reduction in burden of peptic ulcer disease. We conducted this study to look into the cause of AUGIB in our community. METHODS: We studied 100 patients in one year period who presented to us with hematemesis or melena. The study was conducted in department of Gastroenterology, Bir hospital, Kathmandu...
April 2017: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/28746314/outcome-of-endoscopic-variceal-band-ligation
#18
B Shrestha, S Kc, S Chaudhary, B K Basnet, A K Mandal, N S Poudyal
INTRODUCTION: Bleeding from esophageal varices in cirrhosis is an emergent condition with high mortality. One of the preferred modality of treating esophageal varices is EVL. We aimed to find out the outcome of EVL in controlling acute esophageal variceal bleeding, prophylactic banding to prevent future bleeding and the number of sessions required for complete eradication of varices. METHODS: This descriptive observational study was carried out in Gastroenterology and Hepatology unit of Bir Hospital, NAMS from June 2016 to May 2017...
April 2017: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/28745650/-comparative-analysis-of-corneal-aberrations-after-intrastromal-segments-and-myoring-implantation-using-femtosecond-laser-in-patients-with-keratoconus
#19
N P Pashtaev, N A Pozdeeva, M V Sinitsyn
AIM: to comparatively analyze corneal aberrations after intrastromal corneal segments (ICS) and MyoRing implantation using femtosecond laser in patients with stage II-III keratoconus (KC) by Pentacam examination. MATERIAL AND METHODS: We have operated on 135 patients (145 eyes) with stage II or III KC. Depending on surgical technique, all patients were divided into two groups. Group I consisted of patients with KC, who received optimized femtosecond laser-assisted MyoRing implantation, group II - of those, who received femtosecond laser-assisted ICS implantation...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28745643/isolation-and-culture-of-primary-mouse-keratinocytes-from-neonatal-and-adult-mouse-skin
#20
Fengwu Li, Christopher A Adase, Ling-Juan Zhang
The keratinocyte (KC) is the predominant cell type in the epidermis, the outermost layer of the skin. Epidermal KCs play a critical role in providing skin defense by forming an intact skin barrier against environmental insults, such as UVB irradiation or pathogens, and also by initiating an inflammatory response upon those insults. Here we describe methods to isolate KCs from neonatal mouse skin and from adult mouse tail skin. We also describe culturing conditions using defined growth supplements (dGS) in comparison to chelexed fetal bovine serum (cFBS)...
July 14, 2017: Journal of Visualized Experiments: JoVE
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