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https://www.readbyqxmd.com/read/29156655/the-role-of-glyoxalase-i-glo-i-advanced-glycation-endproducts-ages-and-their-receptor-rage-in-chronic-liver-disease-and-hepatocellular-carcinoma-hcc
#1
REVIEW
Marcus Hollenbach
Glyoxalase-I (Glo-I) and glyoxalase-II (Glo-II) comprise the glyoxalase system and are responsible for the detoxification of methylglyoxal (MGO). MGO is formed non-enzymatically as a by-product, mainly in glycolysis, and leads to the formation of advanced glycation endproducts (AGEs). AGEs bind to their receptor, RAGE, and activate intracellular transcription factors, resulting in the production of pro-inflammatory cytokines, oxidative stress, and inflammation. This review will focus on the implication of the Glo-I/AGE/RAGE system in liver injury and hepatocellular carcinoma (HCC)...
November 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156608/fatty-acids-antioxidants-and-physical-activity-in-brain-aging
#2
REVIEW
Hércules Rezende Freitas, Gustavo da Costa Ferreira, Isis Hara Trevenzoli, Karen de Jesus Oliveira, Ricardo Augusto de Melo Reis
Polyunsaturated fatty acids and antioxidants are important mediators in the central nervous system. Lipid derivatives may control the production of proinflammatory agents and regulate NF-κB activity, microglial activation, and fatty acid oxidation; on the other hand, antioxidants, such as glutathione and ascorbate, have been shown to signal through transmitter receptors and protect against acute and chronic oxidative stress, modulating the activity of different signaling pathways. Several authors have investigated the role of these nutrients in the brains of the young and the aged in degenerative diseases such as Alzheimer's and Parkinson's, and during brain aging due to adiposity- and physical inactivity-mediated metabolic disturbances, chronic inflammation, and oxidative stress...
November 20, 2017: Nutrients
https://www.readbyqxmd.com/read/29156583/new-paradigms-for-the-study-of-ocular-alphaherpesvirus-infections-insights-into-the-use-of-non-traditional-host-model-systems
#3
REVIEW
Matthew R Pennington, Eric C Ledbetter, Gerlinde R Van de Walle
Ocular herpesviruses, most notably human alphaherpesvirus 1 (HSV-1), canid alphaherpesvirus 1 (CHV-1) and felid alphaherpesvirus 1 (FHV-1), infect and cause severe disease that may lead to blindness. CHV-1 and FHV-1 have a pathogenesis and induce clinical disease in their hosts that is similar to HSV-1 ocular infections in humans, suggesting that infection of dogs and cats with CHV-1 and FHV-1, respectively, can be used as a comparative natural host model of herpesvirus-induced ocular disease. In this review, we discuss both strengths and limitations of the various available model systems to study ocular herpesvirus infection, with a focus on the use of these non-traditional virus-natural host models...
November 18, 2017: Viruses
https://www.readbyqxmd.com/read/29156566/cgas-sting-pathway-in-cancer-jekyll-and-hyde-story-of-cancer-immune-response
#4
REVIEW
Debojit Bose
The last two decades have witnessed enormous growth in the field of cancer immunity. Mechanistic insights of cancer immunoediting have not only enhanced our understanding but also paved the way to target and/or harness the innate immune system to combat cancer, called cancer immunotherapy. Cyclic GMP-AMP synthase (cGAS)/Stimulator of interferon genes(STING) pathway has recently emerged as nodal player in cancer immunity and is currently being explored as potential therapeutic target. Although therapeutic activation of this pathway has shown promising anti-tumor effects in vivo, evidence also indicates the role of this pathway in inflammation mediated carcinogenesis...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156536/a-review-on-exudates-detection-methods-for-diabetic-retinopathy
#5
REVIEW
Shilpa Joshi, P T Karule
The presence of exudates on the retina is the most characteristic symptom of diabetic retinopathy. As exudates are among early clinical signs of DR, their detection would be an essential asset to the mass screening task and serve as an important step towards automatic grading and monitoring of the disease. Reliable identification and classification of exudates are of inherent interest in an automated diabetic retinopathy screening system. Here we review the numerous early studies that used for automatic exudates detection with the aim of providing decision support in addition to reducing the workload of an ophthalmologist...
November 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29156493/virtual-reality-for-stroke-rehabilitation
#6
REVIEW
Kate E Laver, Belinda Lange, Stacey George, Judith E Deutsch, Gustavo Saposnik, Maria Crotty
BACKGROUND: Virtual reality and interactive video gaming have emerged as recent treatment approaches in stroke rehabilitation with commercial gaming consoles in particular, being rapidly adopted in clinical settings. This is an update of a Cochrane Review published first in 2011 and then again in 2015. OBJECTIVES: Primary objective: to determine the efficacy of virtual reality compared with an alternative intervention or no intervention on upper limb function and activity...
November 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29156430/chromium-tolerance-bioaccumulation-and-localization-in-plants-an-overview
#7
REVIEW
Vibha Sinha, Kannan Pakshirajan, Rakhi Chaturvedi
In the current industrial scenario, chromium (Cr) as a metal is of great importance, but poses a major threat to the environment. Phytoremediation provides an environmentally sustainable, ecofriendly, cost effective approach for environmental cleanup of Cr. This review presents the current status of phytoremediation research with particular emphasis on cleanup of Cr contaminated soil and water systems. It gives a detailed account of the work done by different authors on the Cr bioavailability, uptake pathway, toxicity and storage in plants following the phytoextraction mechanism...
November 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29156329/clinical-outcomes-of-primary-intracranial-malignant-melanoma-and-metastatic-intracranial-malignant-melanoma
#8
Joonho Byun, Eun Suk Park, Seok Ho Hong, Young Hyun Cho, Young-Hoon Kim, Chang Jin Kim, Jeong Hoon Kim, Seungjoo Lee
OBJECTIVES: Primary intracranial malignant melanoma (PIMM) is extremely rare central nervous system (CNS) tumor and known for only composed 0.07% of the CNS tumors. PIMM composed only 1% of malignant melanoma and accordingly their clinical behavior and prognosis are not well documented. So, herein, we report our experience of pathologically proven PIMM, and compared their clinical characteristics and outcome with metastatic intracranial malignant melanoma (MIMM). PATIENTS AND METHODS: Our institutional database was reviewed for patients who diagnosed as PIMM and MIMM pathologically between 1996-2016...
November 17, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29156318/how-host-metabolism-impacts-on-virus-pathogenesis
#9
REVIEW
Siva Karthik Varanasi, Barry T Rouse
The outcome of virus infections depends on multiple factors. This review deals with the role of host metabolism as one such factor. We describe how different cells in the immune system employ differential metabolic pathways and how this relates to the outcome of virus infections. We also discuss how nutritional and metabolic diseases can influence the nature of viral pathogenesis as well as how targeted therapies against metabolic processes can impact on the outcome of virus infections. The case is also made for metabolic profiling as a potential tool to predict the outcome of a virus infection and to guide therapies that enhance host resistance...
November 16, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/29156254/xenografted-tissue-models-for-the-study-of-human-endometrial-biology
#10
REVIEW
Satu Kuokkanen, Liyin Zhu, Jeffrey W Pollard
The human endometrium undergoes extensive morphological, biochemical and molecular changes under the influence of female sex steroid hormones. Besides the fact that estrogen stimulates endometrial cell proliferation and progesterone inhibits this proliferation and induces differentiation, there is limited knowledge about precise molecular mechanisms underlying human endometrial biology. The importance of paracrine signaling in endometrial physiology explains why in vitro culture of endometrial cells has been challenging...
November 10, 2017: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/29156229/indirect-trna-aminoacylation-during-accurate-translation-and-phenotypic-mistranslation
#11
REVIEW
Udumbara M Rathnayake, Whitney N Wood, Tamara L Hendrickson
The fact that most bacteria do not contain a full set of aminoacyl-tRNA synthetases (aaRS) is often underappreciated. In the absence of asparaginyl-tRNA and/or glutaminyl-tRNA synthetase (AsnRS and GlnRS), Asn-tRNA(Asn) and/or Gln-tRNA(Gln) are produced by an indirect tRNA aminoacylation pathway that relies on misacylation of these two tRNAs by two different misacylating aaRSs, followed by transamidation by an amidotransferase (GatCAB in bacteria). This review highlights the central importance of indirect tRNA aminoacylation to accurate protein translation, mechanistic peculiarities that appear to be unique to this system, and the newly recognized connection between indirect tRNA aminoacylation and mistranslation as a strategy used by bacteria to respond to environmental stressors like antibiotics...
November 15, 2017: Current Opinion in Chemical Biology
https://www.readbyqxmd.com/read/29156198/the-evolving-role-of-genomic-testing-in-assessing-prognosis-of-patients-with-myelodysplastic-syndromes
#12
REVIEW
David P Steensma
The introduction into routine hematology-oncology clinical practice of molecular genetic testing assays based on next-generation sequencing platforms is prompting reassessment of the importance of molecular assay results in comparison to existing disease-specific risk stratification tools based on clinical assessment and light microscopy. For patients with myelodysplastic syndromes (MDS), the most commonly used tools for prognostication currently include the International Prognostic Scoring System (IPSS) and the Revised IPSS (IPSS-R), which are based on marrow blast proportion, number and degree of cytopenias, and the metaphase karyotype...
December 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/29156095/multiple-role-of-3-mercaptopyruvate-sulfurtransferase-antioxidative-function-h2-s-and-polysulfide-production-and-possible-sox-production
#13
REVIEW
Noriyuki Nagahara
Rat 3-mercaptopyruvate sulfurtransferase (MST, [EC 2.8.1.2]) is a 32,808-Da simple protein. Cys(247) is a catalytic site, and Cys(154) and Cys(263) are on the enzyme surface. MST is found in all tissues, particularly in the kidneys, although activity localization differs in each tissue. In this review, four functions of MST are reviewed. 1) Antioxidative function: Cys(247) is redox-sensitive and serves as a redox-sensing switch. It is oxidized to cysteine sulfenate, which has a low redox potential, upon which the enzyme is inactivated...
November 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29156048/unmet-needs-in-clinical-and-basic-hepatitis-b-virus-research
#14
Tung-Hung Su, Jia-Horng Kao
Chronic hepatitis B (CHB) has become a treatable and controllable disease. The current nucleos(t)ide analogue (NUC) and pegylated interferon therapies effectively help slow disease progression and reduce the risk of cirrhosis, hepatocellular carcinoma (HCC), and CHB-associated mortality. Long-term viral suppression is easily achievable by NUC therapy, with limited adverse reactions. However, several unmet requirements still exist, including safety and risk-stratified HCC surveillance among patients who received long-term NUC therapy...
November 16, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29155966/crustacean-larvae-vision-in-the-plankton
#15
Thomas W Cronin, Michael J Bok, Chan Lin
We review the visual systems of crustacean larvae, concentrating on the compound eyes of decapod and stomatopod larvae as well as the functional and behavioral aspects of their vision. Larval compound eyes of these macrurans are all built on fundamentally the same optical plan, the transparent apposition eye, which is eminently suitable for modification into the abundantly diverse optical systems of the adults. Many of these eyes contain a layer of reflective structures overlying the retina that produces a counterilluminating eyeshine, so they are unique in being camouflaged both by their transparency and by their reflection of light spectrally similar to background light to conceal the opaque retina...
November 1, 2017: Integrative and Comparative Biology
https://www.readbyqxmd.com/read/29155884/the-importance-of-mean-time-in-therapeutic-range-for-complication-rates-in-warfarin-therapy-of-patients-with-atrial-fibrillation-a-systematic-review-and-meta-regression-analysis
#16
Anne Sig Vestergaard, Flemming Skjøth, Torben Bjerregaard Larsen, Lars Holger Ehlers
BACKGROUND: \Anticoagulation is used for stroke prophylaxis in non-valvular atrial fibrillation, amongst other by use of the vitamin K antagonist, warfarin. Quality in warfarin therapy is often summarized by the time patients spend within the therapeutic range (percent time in therapeutic range, TTR). The correlation between TTR and the occurrence of complications during warfarin therapy has been established, but the influence of patient characteristics in that respect remains undetermined...
2017: PloS One
https://www.readbyqxmd.com/read/29155873/short-term-anti-proteinuric-effect-of-tacrolimus-is-not-related-to-preservation-of-the-glomerular-filtration-rate-in-iga-nephropathy-a-5-year-follow-up-study
#17
Mi-Yeon Yu, Yong-Chul Kim, Ho Suk Koo, Ho Jun Chin
BACKGROUND: The immunosuppressive drug tacrolimus has the short-term effect of reducing proteinuria in patients with immunoglobulin A nephropathy (IgAN). Our study investigated the effects on proteinuria and kidney function after discontinuation of tacrolimus. METHODS: Patients with biopsy-proven IgAN were included in the study and randomly divided into two treatment groups. There was a corresponding control group for each treatment group. The first group included patients treated with tacrolimus (Tac vs non-Tac group) and the second group included patients with a renin angiotensin system blocker (RASi vs non-RASi group)...
2017: PloS One
https://www.readbyqxmd.com/read/29155840/indications-and-determinants-of-caesarean-section-delivery-evidence-from-a-population-based-study-in-matlab-bangladesh
#18
Tahmina Begum, Aminur Rahman, Herfina Nababan, Dewan Md Emdadul Hoque, Al Fazal Khan, Taslim Ali, Iqbal Anwar
BACKGROUND AND METHODS: Caesarean section (C-section) is a major obstetric intervention for saving lives of women and their newborns from pregnancy and childbirth related complications. Un-necessary C-sections may have adverse impact upon maternal and neonatal outcomes. In Bangladesh there is paucity of data on clinical indication of C-section at population level. We conducted a retrospective study in icddr,b Health and Demographic Surveillance System (HDSS) area of Matlab to look into the indications and determinants of C-sections...
2017: PloS One
https://www.readbyqxmd.com/read/29155821/progress-towards-a-leprosy-free-country-the-experience-of-oman
#19
Salah T Al Awaidy
INTRODUCTION: The World Health Organization (WHO) released the Global Leprosy Strategy 2016-2020 towards a leprosy-free world. The author described the progress made towards the elimination of leprosy and suggested recommendations for the acceleration towards a Leprosy-free country according to WHO laid out criterion. METHODOLOGY: Case record review of Leprosy patients managed between the years 1992 to 2015 were registered and analyzed. Data were collected from annual reports of the Ministry of Health including demographics, classification of leprosy new cases, relapse, childhood, grades of disability (GD) and multidrug therapy (MDT) completion rates...
November 20, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29155697/acute-intraoperative-suprachoroidal-hemorrhage-during-small-gauge-pars-plana-vitrectomy
#20
Intira Sukpen, Jay M Stewart
PURPOSE: To report the intraoperative occurrence of acute intraoperative suprachoroidal hemorrhage during small-gauge pars plana vitrectomy. METHOD: A review of a surgical patient who developed acute intraoperative suprachoroidal hemorrhage during small-gauge pars plana vitrectomy because of bucking under general anesthesia. RESULTS: A 32-year-old obese woman with proliferative diabetic retinopathy and traction retinal detachment in the left eye who developed intraoperative suprachoroidal hemorrhage during small-gauge pars plana vitrectomy because of bucking under general anesthesia while doing endolaser under air infusion...
November 16, 2017: Retinal Cases & Brief Reports
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