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https://www.readbyqxmd.com/read/28088061/galectins-emerging-regulatory-checkpoints-linking-tumor-immunity-and-angiogenesis
#1
REVIEW
Santiago P Méndez-Huergo, Ada G Blidner, Gabriel A Rabinovich
Immune checkpoints, a plethora of inhibitory pathways aimed at maintaining immune cell homeostasis, may be co-opted by cancer cells to evade immune destruction. Therapies targeting immune checkpoints have reached a momentum yielding significant clinical benefits in patients with various malignancies by unleashing anti-tumor immunity. Galectins, a family of glycan-binding proteins, have emerged as novel regulatory checkpoints that promote immune evasive programs by inducing T-cell exhaustion, limiting T-cell survival, favoring expansion of regulatory T cells, de-activating natural killer cells and polarizing myeloid cells toward an immunosuppressive phenotype...
January 11, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28087916/-a-case-of-idiopathic-hypertrophic-cranial-pachymeningitis-presenting-as-chronic-subdural-hematoma
#2
Zhan He, Fang Ding, Jiandong Rong, Yongli Gan
A 26-year-old male presented with a 6-day history of paroxysmal headache which was worsen with nausea and vomiting for 1 day. Head CT on admission revealed left chronic subdural hematoma with midline shift. An emergency Burr hole drainage for hematoma was performed. Headache recurred 6 days later. MRI of the brain revealed a diffuse thickening and a gadolinium-enhancement of the falx, cranial dura mater and tentorium cerebelli on the left side with pia mater involved. Lumber puncture showed increased intracranial pressure and elevated IgG level in cerebrospinal fluid...
May 25, 2016: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28087837/off-target-effects-of-neuroleptics-and-antidepressants-on-saccharomyces-cerevisiae
#3
M Caldara, S Graziano, M Gullì, S Cadonici, Nelson Marmiroli
Over the past years, the use of antidepressants and neuroleptics has steadily increased. Although incredibly useful to treat disorders like depression, schizophrenia, epilepsy, or mental retardation, these drugs display many side effects. Toxicogenomic studies aim to limit this problem by trying to identify cellular targets and off-targets of medical compounds. The baker yeast Saccharomyces cerevisiae has been shown to be a key player in this approach, as it represents an incredible toolbox for the dissection of complex biological processes...
January 13, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28087496/digital-pills-to-measure-opioid-ingestion-patterns-in-emergency-department-patients-with-acute-fracture-pain-a-pilot-study
#4
Peter R Chai, Stephanie Carreiro, Brendan J Innes, Rochelle K Rosen, Conall O'Cleirigh, Kenneth H Mayer, Edward W Boyer
BACKGROUND: Nonadherence to prescribed regimens for opioid analgesic agents contributes to increasing opioid abuse and overdose death. Opioids are frequently prescribed on an as-needed basis, placing the responsibility to determine opioid dose and frequency with the patient. There is wide variability in physician prescribing patterns because of the lack of data describing how patients actually use as-needed opioid analgesics. Digital pill systems have a radiofrequency emitter that directly measures medication ingestion events, and they provide an opportunity to discover the dose, timing, and duration of opioid therapy...
January 13, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28087332/exo-mfa-a-13c-metabolic-flux-analysis-to-dissect-tumor-microenvironment-secreted-exosome-contributions-towards-cancer-cell-metabolism
#5
Abhinav Achreja, Hongyun Zhao, Lifeng Yang, Tae Hyun Yun, Juan Marini, Deepak Nagrath
Dissecting the pleiotropic roles of tumor micro-environment (TME) on cancer progression has been brought to the foreground of research on cancer pathology. Extracellular vesicles such as exosomes, transport proteins, lipids, and nucleic acids, to mediate intercellular communication between TME components and have emerged as candidates for anti-cancer therapy. We previously reported that cancer-associated fibroblast (CAF) derived exosomes (CDEs) contain metabolites in their cargo that are utilized by cancer cells for central carbon metabolism and promote cancer growth...
January 10, 2017: Metabolic Engineering
https://www.readbyqxmd.com/read/28087060/personality-in-parkinson-s-disease-clinical-behavioural-and-cognitive-correlates
#6
REVIEW
Gabriella Santangelo, Fausta Piscopo, Paolo Barone, Carmine Vitale
Affective disorders and personality changes have long been considered pre-motor aspects of Parkinson's disease (PD). Many authors have used the term "premorbid personality" to define distinctive features of PD patients' personality characterized by reduced exploration of new environmental stimuli or potential reward sources ("novelty seeking") and avoidance behaviour ("harm avoidance") present before motor features. The functional correlates underlying the personality changes described in PD, implicate dysfunction of meso-cortico-limbic and striatal circuits...
January 5, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28086863/exercise-mediated-protection-of-diabetic-heart-through-modulation-of-microrna-mediated-molecular-pathways
#7
REVIEW
Jason Kar Sheng Lew, James T Pearson, Daryl O Schwenke, Rajesh Katare
Hyperglycaemia, hypertension, dyslipidemia and insulin resistance collectively impact on the myocardium of people with diabetes, triggering molecular, structural and myocardial abnormalities. These have been suggested to aggravate oxidative stress, systemic inflammation, myocardial lipotoxicity and impaired myocardial substrate utilization. As a consequence, this leads to the development of a spectrum of cardiovascular diseases, which may include but not limited to coronary endothelial dysfunction, and left ventricular remodelling and dysfunction...
January 13, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28086777/profile-of-molecular-mutations-in-pfdhfr-pfdhps-pfmdr1-and-pfcrt-genes-of-plasmodium-falciparum-related-to-resistance-to-different-anti-malarial-drugs-in-the-bata-district-equatorial-guinea
#8
Pedro Berzosa, Andrés Esteban-Cantos, Luz García, Vicenta González, Marisa Navarro, Taiomara Fernández, María Romay-Barja, Zaida Herrador, José Miguel Rubio, Policarpo Ncogo, María Santana-Morales, Basilio Valladares, Matilde Riloha, Agustín Benito
BACKGROUND: The emergence of drug resistance in Plasmodium falciparum has been a major contributor to the global burden of malaria. Drug resistance complicates treatment, and it is one of the most important problems in malaria control. This study assessed the level of mutations in P. falciparum genes, pfdhfr, pfdhps, pfmdr1, and pfcrt, related to resistance to different anti-malarial drugs, in the Continental Region of Equatorial Guinea, after 8 years of implementing artesunate combination therapies as the first-line treatment...
January 13, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28081594/management-of-direct-antiviral-agent-failures
#9
REVIEW
María Buti, Rafael Esteban
The current standard of care for patients with chronic hepatitis C virus (HCV) infection is a combination of direct-acting antiviral agents (DAAs). Most HCV patients treated with these drugs achieve viral elimination, but 1% to 15% fail to attain this objective. Treatment failures are usually related to relapse, and less often to on-treatment viral breakthrough. HCV drug resistant associated substitutions are detected in most patients who do not eliminate the virus. The risk of developing these variants depends on host- and virus-related factors, the properties of the drugs used, and the treatment strategies applied...
December 2016: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/28081180/pi3k%C3%AE-deficient-nod-mice-are-protected-from-diabetes-by-restoring-the-balance-of-regulatory-to-effector-t-cells
#10
Jamil Azzi, Lindsay Thueson, Robert Moore, Rozita Abdoli, Helena Reijonen, Reza Abdi
With a steady increase in its incidence and lack of curative treatment, type 1 diabetes (T1D) has emerged as a major health problem worldwide. To design novel effective therapies, there is a pressing need to identify regulatory targets controlling the balance of autoreactive to regulatory-T-cells (Tregs). We previously showed that the inhibition of the γ-subunit of the Phosphoinositide-3-kinase (PI3K), significantly suppress autoimmune-diabetes. To further delineate the mechanisms and the selectivity of specific immune modulation by PI3Kγ-inhibition, we developed a new NOD mouse model of T1D lacking the γ-subunit of PI3K...
2017: PloS One
https://www.readbyqxmd.com/read/28080991/minimizing-fungal-disease-deaths-will-allow-the-unaids-target-of-reducing-annual-aids-deaths-below-500-000-by-2020-to-be-realized
#11
REVIEW
David W Denning
Deaths from AIDS (1 500 000 in 2013) have been falling more slowly than anticipated with improved access to antiretroviral therapy. Opportunistic infections account for most AIDS-related mortality, with a median age of death in the mid-30s. About 360 000 (24%) of AIDS deaths are attributed to tuberculosis. Fungal infections deaths in AIDS were estimated at more than 700 000 deaths (47%) annually. Rapid diagnostic tools and antifungal agents are available for these diseases and would likely have a major impact in reducing deaths...
December 5, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28080986/clinical-implications-of-globally-emerging-azole-resistance-in-aspergillus-fumigatus
#12
REVIEW
Jacques F Meis, Anuradha Chowdhary, Johanna L Rhodes, Matthew C Fisher, Paul E Verweij
Aspergillus fungi are the cause of an array of diseases affecting humans, animals and plants. The triazole antifungal agents itraconazole, voriconazole, isavuconazole and posaconazole are treatment options against diseases caused by Aspergillus However, resistance to azoles has recently emerged as a new therapeutic challenge in six continents. Although de novo azole resistance occurs occasionally in patients during azole therapy, the main burden is the aquisition of resistance through the environment. In this setting, the evolution of resistance is attributed to the widespread use of azole-based fungicides...
December 5, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28079790/ecthyma-gangrenosum-a-skin-manifestation-of-pseudomonas-aeruginosa-sepsis-in-a-previously-healthy-child-a-case-report
#13
Stephanie Biscaye, Diane Demonchy, Mickael Afanetti, Audrey Dupont, Herve Haas, Antoine Tran
RATIONALE: Ecthyma gangrenosum (Eg) is a necrotic lesion that is mostly seen in immunocompromised patients. It reflects a severe sepsis, possibly caused by Pseudomonas aeruginosa (Pa). PATIENT CONCERNS: A healthy 3-year-old girl admitted to the Pediatric Emergency Department presented a sepsis-associated purpura with neurological and respiratory distress. INTERVENTIONS: An empiric antibiotherapy (anti-meningococcal) was prescribed. DIAGNOSES: Forty-eight hours after admission, blood and wound cultures were positive for Pa...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28079666/intravenous-tissue-plasminogen-activator-administration-for-ischemic-stroke-1-hour-after-epidural-catheter-removal-a-case-report
#14
Anne M Baciewicz, Calvin Lee, Alon Ben-Ari, Hojoong Kim, Alex T Lee
Anticoagulation after a recent neuraxial procedure poses risk for development of spinal hematoma. Clinical evidence supports prompt IV tissue plasminogen activator administration after onset of ischemic stroke. There is an absence of data regarding emergency fibrinolytic therapy for patients experiencing a stroke with recent neuraxial procedures, resulting in highly disparate, nonevidence-based guidelines. This report describes a patient who developed ischemic stroke when receiving postoperative epidural analgesia...
January 11, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28079629/duration-of-pneumonia-therapy-and-the-role-of-biomarkers
#15
Katerina Kaziani, Adamantia Sotiriou, George Dimopoulos
PURPOSE OF REVIEW: Increasing antimicrobial resistance is a worldwide phenomenon that is threatening public health. Lower respiratory infections are one of the leading causes of morbidity that contribute to antibiotic consumption and thus the emergence of multidrug-resistant microbial strains. The goal of shortening antibiotic regimens' duration in common bacterial infections has been prioritized by antimicrobial stewardship programs as an action against this problem. RECENT FINDINGS: Data coming from randomized controlled trials, meta-analyses, and systematic reviews support the shortening of antimicrobial regimens in community-acquired, hospital-acquired, and ventilator-associated pneumonia...
January 12, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28079626/complications-and-disease-recurrence-after-primary-ileocecal-resection-in-pediatric-crohn-s-disease-a-multicenter-cohort-analysis
#16
Kay Diederen, Lissy de Ridder, Patrick van Rheenen, Victorien M Wolters, Maria L Mearin, Gerard M Damen, Tim G de Meij, Herbert van Wering, Laura A Tseng, Matthijs W Oomen, Justin R de Jong, Cornelius E Sloots, Marc A Benninga, Angelika Kindermann
BACKGROUND: Studies on the outcome of ileocecal resection in pediatric Crohn's disease (CD) have a limited follow-up and fail to assign predictors of adverse outcomes. Therefore, we aimed to investigate (I) the complication and disease recurrence rates and (II) identify risk factors for these adverse outcomes after ileocecal resection for pediatric CD. METHODS: This is a retrospective cohort analysis of all children (<18 years) that underwent ileocecal resection as first intestinal resection for CD derived from 7 tertiary hospitals in the Netherlands (1990-2015)...
January 6, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28079609/mesenchymal-stem-cells-induce-epithelial-mesenchymal-transition-in-melanoma-by-paracrine-secretion-of-transforming-growth-factor-%C3%AE
#17
Chuan Lv, Haiying Dai, Mengyan Sun, Hui Zhao, Kai Wu, Ji Zhu, Yuchong Wang, Xian Cao, Zhaofan Xia, Chunyu Xue
Mesenchymal stem cells (MSCs) are considered for potential use as an ideal vehicle to efficiently deliver therapeutic agents in treatment against cancers including melanoma. However, emerging evidence indicates that MSCs promote tumor growth and progression. Therefore, a comprehensive understanding of the role of MSCs is very important to evaluate the MSCs-based therapy in melanoma. B16 melanoma cells treated by MSC conditioned medium (CM), showed significantly enhanced migration and invasion, which was also confirmed in a lung metastasis mice model in vivo...
January 5, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28079589/in-vogue-ketamine-for-neuroprotection-in-acute-neurologic-injury
#18
Josh D Bell
Neurologic deterioration following acute injury to the central nervous system may be amenable to pharmacologic intervention, although, to date, no such therapy exists. Ketamine is an anesthetic and analgesic emerging as a novel therapy for a number of clinical entities in recent years, including refractory pain, depression, and drug-induced hyperalgesia due to newly discovered mechanisms of action and new application of its known pharmacodynamics. In this focused review, the evidence for ketamine as a neuroprotective agent in stroke, neurotrauma, subarachnoid hemorrhage, and status epilepticus is highlighted, with a focus on its applications for excitotoxicity, neuroinflammation, and neuronal hyperexcitability...
January 10, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28079433/pet-imaging-of-cannabinoid-type-2-receptors-with-11-c-a-836339-did-not-evidence-changes-following-neuroinflammation-in-rats
#19
Geraldine Pottier, Vanessa Gómez-Vallejo, Daniel Padro, Raphaël Boisgard, Frédéric Dollé, Jordi Llop, Alexandra Winkeler, Abraham Martín
Cannabinoid type 2 receptors (CB2R) have emerged as promising targets for the diagnosis and therapy of brain pathologies. However, no suitable radiotracers for accurate CB2R mapping have been found to date, limiting the investigation of the CB2 receptor expression using positron emission tomography (PET) imaging. In this work, we report the evaluation of the in vivo expression of CB2R with [(11)C]A-836339 PET after cerebral ischemia and in two rat models of neuroinflammation, first by intrastriatal LPS and then by AMPA injection...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28079270/treatment-of-adults-with-idiopathic-recurrent-pericarditis-novel-use-of-immunotherapy
#20
Nicholas C Schwier, Genevieve Hale, Marie L Davies
Idiopathic recurrent pericarditis (IRP) can be challenging to treat. Even after guideline-directed, first-line treatment consisting of aspirin (ASA) or a nonsteroidal antiinflammatory drug (NSAID) in combination with colchicine therapy, recurrences still occur in greater than 20% of patients. Many patients then require treatment with long-term corticosteroids, which is not a favorable option due to their short- and long-term adverse effects. Since it is theorized that the pathophysiology of IRP may possess autoimmune sequelae, the use of immunotherapy for the treatment of IRP has emerged...
January 12, 2017: Pharmacotherapy
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