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https://www.readbyqxmd.com/read/29668066/mait-cell-mediated-cytotoxicity-roles-in-host-defense-and-therapeutic-potentials-in-infectious-diseases-and-cancer
#1
REVIEW
Patrick T Rudak, Joshua Choi, S M Mansour Haeryfar
Mucosa-associated invariant T (MAIT) cells are unconventional, innate-like T lymphocytes that sense the presence of MHC-related protein 1 (MR1)-restricted ligands and select inflammatory cues. Consequently, they release potent immunomodulatory mediators, including IFN-γ, TNF-α, and/or IL-17. MAIT cells can also be viewed as killer cells. They display several NK cell-associated receptors, carry granules containing cytotoxic effector molecules, and swiftly upregulate perforin and granzymes upon activation. Accordingly, MAIT cells are capable of lysing MR1-expressing cells infected with a variety of pathogenic bacteria in in vitro settings and may also mount cytotoxic responses during microbial infections in vivo...
April 18, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29667926/proximal-tibia-stress-fracture-with-osteoarthritis-of-knee-radiological-and-functional-analysis-of-one-stage-tka-with-long-stem
#2
Dhanasekaran Soundarrajan, Natesan Rajkumar, Palanisamy Dhanasekararaja, Shanmuganathan Rajasekaran
INTRODUCTION: Proximal tibia stress fractures with knee osteoarthritis pose a challenging situation. We evaluated the radiological and functional outcome of one-stage total knee arthroplasty (TKA) and long stem for patients with varied grades of knee arthritis and proximal tibia stress fractures.  Methods: We analysed 20 patients from April 2012 to March 2017 with proximal tibia stress fractures associated with knee osteoarthritis of varied grades. Out of 20 patients, five were acute fresh fractures...
2018: SICOT-J
https://www.readbyqxmd.com/read/29667902/myocardial-protection-following-del-nido-cardioplegia-in-pediatric-cardiac-surgery
#3
Debasish Panigrahi, Saibal Roychowdhury, Rahul Guhabiswas, Emmanuel Rupert, Mrinalendu Das, Pradeep Narayan
Background This study was designed to compare myocardial protection with del Nido cardioplegia and conventional blood cardioplegia in children undergoing cardiac surgery in Risk Adjustment for Congenital Heart Surgery categories 1 and 2. Methods Sixty patients were randomized into 2 groups receiving del Nido cardioplegia solution or conventional blood cardioplegia. Myocardial injury was assessed using biochemical markers (troponin I and creatine kinase-MB). Vasoactive-inotropic scores were calculated to compare inotropic requirements...
January 1, 2018: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29667781/ameliorative-effect-of-nanoencapsulated-flavonoid-against-chlorpyrifos-induced-hepatic-oxidative-damage-and-immunotoxicity-in-wistar-rats
#4
Sanvidhan G Suke, Prasad Sherekar, Vivek Kahale, Shaktipal Patil, Dharmendra Mundhada, Vivek M Nanoti
The theme of the present work is to evaluate the protective effect of nanoencapsulated quercetin (NEQ) against chlorpyrifos (CPF)-induced hepatic damage and immune alterations in animals. Nanoparticles (NP) drug encapsulation was prepared. Forty male Wistar rats were divided into eight groups. Two groups served as control and CPF (13.5 mg/kg) treatment for 28 days. Other three groups were free quercetin (QC), NP and NEQ treated with 3 mg/kg respectively for 15 days; whereas remaining three groups received treatment of CPF and QC, NP, NEQ, respectively, for 15 days...
April 18, 2018: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/29667662/camel-milk-attenuates-methotrexate-induced-kidney-injury-via-activation-of-pi3k-akt-enos-signaling-and-intervention-with-oxidative-aberrations
#5
Hany H Arab, Samir A Salama, Ibrahim A Maghrabi
Methotrexate (MTX) is a classical chemotherapeutic agent with nephrotoxicity as the most disturbing adverse effect. So far, its underlying molecular mechanisms, particularly PI3K/Akt/eNOS transduction, are inadequately explored. Several antioxidant modalities have been characterized to ameliorate MTX-induced renal injury. In this regard, Camel milk (CM) is a natural product with recognized antioxidant and anti-inflammatory features. Thus, the current study aimed to investigate the potential ameliorating effects of CM in MTX-induced kidney injury in rats...
April 18, 2018: Food & Function
https://www.readbyqxmd.com/read/29667617/combination-of-stromal-vascular-fraction-and-ad-comp-ang1-gene-therapy-improves-long-term-therapeutic-efficacy-for-diabetes-induced-erectile-dysfunction
#6
Guo-Nan Yin, Lin Wang, Xiang-Nan Lin, Lei Shi, Zhen-Lin Gao, Feng-Chan Han, Ping Li, Yin-Chuan Jin, Jun-Kyu Suh, Ji-Kan Ryu, Xiong Wang, Hai-Rong Jin
Men with diabetic erectile dysfunction (ED) respond poorly to the currently available oral phosphodiesterase-5 inhibitors. Therefore, functional therapies for diabetic ED are needed. Stromal vascular fraction (SVF) and the adenovirus-mediated cartilage oligomeric matrix angiopoietin-1 (Ad-COMP-Ang1) gene are known to play critical roles in penile erection. We previously reported that SVF and Ad-COMP-Ang1 have only a short-term effect in restoring erectile function. Further improvements to ED therapy are needed for long-lasting effects...
April 17, 2018: Asian Journal of Andrology
https://www.readbyqxmd.com/read/29667526/optimizing-best-management-practices-to-control-anthropogenic-sources-of-atmospheric-phosphorus-deposition-to-inland-lakes
#7
Lee Weiss, Jesse Thé, Jennifer Winter, Bahram Gharabaghi
Excessive phosphorus loading to inland freshwater lakes around the globe has resulted in nuisance plant growth along the waterfronts, degraded habitat for cold water fisheries, and impaired beaches, marinas and waterfront property. The direct atmospheric deposition of phosphorus can be a significant contributing source to inland lakes. The atmospheric deposition monitoring program for Lake Simcoe, Ontario indicates roughly 20% of the annual total phosphorus load (2010-2014 period) is due to direct atmospheric deposition (both wet and dry deposition) on the lake...
April 18, 2018: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/29667473/harnessing-neuroplasticity-modern-approaches-and-clinical-future
#8
Andrew Octavian Sasmita, Joshua Kuruvilla, Anna Pick Kiong Ling
Neurological diseases and injuries to the nervous system may cause inadvertent damage to neuronal and synaptic structures. Such phenomenon would catastrophically accumulate, leading to the development of neurological and neurodegenerative disorders which might affect memory, cognition, and motoric functions. The body has various negative feedback systems which are able to induce beneficial neuroplastic changes in mediating some neuronal damage, however, such efforts are often not enough to ameliorate the derogatory changes...
April 18, 2018: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29667426/surgical-repair-of-traumatic-isolated-inferior-rectus-muscle-avulsion
#9
Xuhong Zuo, Lei Gao, Lewei Bao, Lv Chunyan
PURPOSE: To report our experience in the management of avulsion of the inferior rectus muscle. METHODS: We describe the approach we have used for surgical repair of isolated avulsion of the inferior rectus muscle in two patients who suffered orbital trauma. RESULTS: In both cases, the proximal portion of the inferior rectus muscle was located successfully by the generated muscle force duction test and sutured back into its original insertion point...
April 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29667150/topical-application-of-omega-3-omega-6-and-omega-9-rich-oil-emulsions-for-cutaneous-wound-healing-in-rats
#10
Wan Maznah Wan Ishak, Haliza Katas, Ng Pei Yuen, Maizaton Atmadini Abdullah, Mohd Hanif Zulfakar
Wound healing is a physiological event that generates reconstitution and restoration of granulation tissue that ends with scar formation. As omega fatty acids are part of membrane phospholipids and participate in the inflammatory response, we investigated the effects of omega-3, omega-6, and omega-9 fatty acids in the form of oils on wound healing. Linseed (LO), evening primrose (EPO), and olive oils (OO) rich in omega-3, omega-6, and omega-9 fatty acids were formulated into emulsions and were topically applied on rats with excision wounds...
April 17, 2018: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/29667141/triplanar-correction-of-adolescent-idiopathic-scoliosis-by-asymmetrically-shaped-and-simultaneously-applied-rods-associated-with-direct-vertebral-rotation-clinical-and-radiological-analysis-of-36-patients
#11
Cesare Faldini, Fabrizio Perna, Giuseppe Geraci, Francesco Pardo, Antonio Mazzotti, Federico Pilla, Alberto Ruffilli
PURPOSE: Aim of this study was to investigate the effectiveness of a new surgical corrective manoeuvre for adolescent idiopathic scoliosis (AIS) by asymmetrically shaped and simultaneously applied rods and in combination with direct vertebral rotation, to control both the triplanar deformity and the kyphosis apex location. METHODS: We retrospectively reviewed 36 patients who undergo surgical treatment using simultaneous translation on two differently contoured rods, in combination with direct vertebral rotation...
April 17, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29667106/chronic-fertilization-of-37-years-alters-the-phylogenetic-structure-of-soil-arbuscular-mycorrhizal-fungi-in-chinese-mollisols
#12
Mingchao Ma, Marc Ongena, Qingfeng Wang, Dawei Guan, Fengming Cao, Xin Jiang, Jun Li
Arbuscular mycorrhizal fungi (AMF) play vital roles in sustaining soil productivity and plant communities. However, adaption and differentiation of AMF in response to commonly used fertilization remain poorly understood. In this study, we showed that the AMF community composition was primarily driven by soil physiochemical changes associated with chronic inorganic and organic fertilization of 37 years in Mollisols. High-throughput sequencing indicated that inorganic fertilizer negatively affected AMF diversity and richness, implying a reduction of mutualism in plant-AMF symbiosis; however, a reverse trend was observed for the application of inorganic fertilizer combined with manure...
April 17, 2018: AMB Express
https://www.readbyqxmd.com/read/29666944/macrophages-play-an-essential-role-in-trauma-induced-sterile-inflammation-and-tissue-repair
#13
REVIEW
Moritz Peiseler, Paul Kubes
Severe trauma is accompanied by a profound activation of the immune system. Patients with polytrauma develop systemic inflammatory response syndrome (SIRS) and often sepsis, which contributes substantially to high mortality of this condition. On a cellular level, necrosis and loss of plasma membrane integrity lead to the release of endogenous "damage-associated molecular patterns" (DAMPs) as danger signals, which in turn activate innate immune cells. Inflammation that occurs in the absence of invading pathogens has been termed sterile inflammation and trauma with tissue damage represents an acute form of sterile inflammation...
April 17, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29666779/a-multidisciplinary-approach-for-rehabilitation-of-enucleated-sockets-ocular-implants-with-custom-ocular-prosthesis
#14
Minati Choudhury, Fathima Banu, Shanmuganathan Natarajan, Anand Kumar, Padmanabhan Tv
Interdisciplinary prosthodontics goes beyond our imagination into fields that have a direct effect on our total body health and quality of life. Removal of an eye has a detrimental effect on the psychology of the patient. Enucleation involves removal of the eyeball proper and leads to an enophthalmic socket with a shrunken eye, which has a crippling effect on patient's emotional and social life. Custom-made eye prosthesis simulates the characteristics of the companion eye and helps in restoring the normal facial appearance...
February 16, 2018: Curēus
https://www.readbyqxmd.com/read/29666716/survival-after-cardiac-arrest-secondary-to-massive-pulmonary-embolism
#15
Abdullah E Laher, Muhammed Moolla, Feroza Motara, Fathima Paruk, Guy Richards
Introduction: It is estimated that the diagnosis of pulmonary embolism (PE) is missed in as many as 84% of all cases of PE. Cardiac arrest following PE is generally associated with poor outcomes. Case Report: A 43-year-old man presented to the Emergency Department (ED) in cardiac arrest. Swelling of his right lower limb was noted on arrival. Point of care ultrasound was performed during ongoing cardiopulmonary resuscitation (CPR) and showed a thrombus in the right iliofemoral vein as well as dilatation of the right ventricle...
2018: Case Reports in Emergency Medicine
https://www.readbyqxmd.com/read/29666713/comprehensive-treatment-of-severe-periodontal-and-periimplant-bone-destruction-caused-by-iatrogenic-factors
#16
Gregor-Georg Zafiropoulos, Andreas Parashis, Taha Abdullah, Evangelos Sotiropoulos, Gordon John
Dental implant success requires placement after periodontal therapy, with adequate bone volume, plaque control, primary stability, control of risk factors, and use of well-designed prostheses. This report describes the surgical and prosthetic management of a patient with severe iatrogenic periodontal/periimplant bone destruction. Methods. A 55-year-old female smoker with fixed partial dentures (FPDs) supported on teeth and implants presented with oral pain, swelling, bleeding, and a 10-year history of multiple implant placements and implants/prosthesis failures/replacements...
2018: Case Reports in Dentistry
https://www.readbyqxmd.com/read/29666637/recovery-of-chronic-stress-triggered-changes-of-hippocampal-glutamatergic-transmission
#17
Min Lin, Gonglin Hou, Ying Zhao, Ti-Fei Yuan
Chronic stress results in neurochemical, physiological, immune, molecular, cellular, and structural changes in the brain and often dampens the cognition. The hippocampus has been one major focus in studying the stress responsivity and neural mechanisms underlying depression. Both acute and chronic stress stimuli lead to dynamic changes in excitatory transmission in the hippocampus. The present study examined the potential effects of spontaneous recovery after chronic stress on spatial memory function and glutamatergic transmission in the hippocampus...
2018: Neural Plasticity
https://www.readbyqxmd.com/read/29666597/a-computational-model-of-working-memory-integrating-time-based-decay-and-interference
#18
Benoît Lemaire, Sophie Portrat
There is still a strong debate in the working memory literature about the cause of forgetting, with many articles providing evidence for the existence of temporal decay and as many publications providing evidence compatible with interference being the only mechanism involved in forgetting. In order to reconcile the two views, this article describes TBRS∗ -I (for Time-Based Resource-Sharing∗ -Interference), a computational model of working memory which incorporates an interference-based mechanism to the decay-based implementation TBRS∗ within the TBRS theoretical framework...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29666470/glucose-regulated-protein-78-is-essential-for-cardiac-myocyte-survival
#19
Xiaoding Wang, Xukun Bi, Guangyu Zhang, Yingfeng Deng, Xiang Luo, Lin Xu, Philipp E Scherer, Anwarul Ferdous, Guosheng Fu, Thomas G Gillette, Amy S Lee, Xuejun Jiang, Zhao V Wang
Secretory and transmembrane proteins rely on proper function of the secretory pathway for folding, posttranslational modification, assembly, and secretion. Accumulation of misfolded proteins in the endoplasmic reticulum (ER) stimulates the unfolded protein response (UPR), which communicates between the ER and other organelles to enhance ER-folding capacity and restore cellular homeostasis. Glucose-regulated protein of 78 kDa (GRP78), an ER-resident protein chaperone, is a master regulator of all UPR signaling branches...
April 17, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29666427/consistent-differences-in-fitness-traits-across-multiple-generations-of-olympia-oysters
#20
Katherine E Silliman, Tynan K Bowyer, Steven B Roberts
Adaptive evolution and plasticity are two mechanisms that facilitate phenotypic differences between populations living in different environments. Understanding which mechanism underlies variation in fitness-related traits is a crucial step in designing conservation and restoration management strategies for taxa at risk from anthropogenic stressors. Olympia oysters (Ostrea lurida) have received considerable attention with regard to restoration, however there is limited information on adaptive population structure...
April 17, 2018: Scientific Reports
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