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https://www.readbyqxmd.com/read/28239924/cannabinoids-as-gastrointestinal-anti-inflammatory-drugs
#1
REVIEW
A Fabisiak, J Fichna
In this mini-review, we focus on the potential of the endocannabinoid system as a target for novel therapies to treat gastrointestinal (GI) inflammation. We discuss the organization of the endocannabinoid signaling and present possible pharmacological sites in the endocannabinoid system. We also refer to recent clinical findings in the field. Finally, we point at the potential use of cannabinoids at low, non-psychoactive doses to counteract non-inflammatory pathological events in the GI tract, like chemotherapy-induced diarrhea, as evidenced by Abalo et al...
March 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28239662/zika-virus-infects-cells-lining-the-blood-retinal-barrier-and-causes-chorioretinal-atrophy-in-mouse-eyes
#2
Pawan Kumar Singh, John-Michael Guest, Mamta Kanwar, Joseph Boss, Nan Gao, Mark S Juzych, Gary W Abrams, Fu-Shin Yu, Ashok Kumar
Zika virus (ZIKV) is an important pathogen that causes not only neurologic, but also ocular, abnormalities. Thus, it is imperative that models to study ZIKV pathogenesis in the eye are developed to identify potential targets for interventions. Here, we studied ZIKV interactions with human retinal cells and evaluated ZIKV's pathobiology in mouse eyes. We showed that cells lining the blood-retinal barrier (BRB), the retinal endothelium, and retinal pigment epithelium (RPE) were highly permissive and susceptible to ZIKV-induced cell death...
February 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28239659/hsp90-regulation-of-fibroblast-activation-in-pulmonary-fibrosis
#3
Vishwaraj Sontake, Yunguan Wang, Rajesh K Kasam, Debora Sinner, Geereddy B Reddy, Anjaparavanda P Naren, Francis X McCormack, Eric S White, Anil G Jegga, Satish K Madala
Idiopathic pulmonary fibrosis (IPF) is a severe fibrotic lung disease associated with fibroblast activation that includes excessive proliferation, tissue invasiveness, myofibroblast transformation, and extracellular matrix (ECM) production. To identify inhibitors that can attenuate fibroblast activation, we queried IPF gene signatures against a library of small-molecule-induced gene-expression profiles and identified Hsp90 inhibitors as potential therapeutic agents that can suppress fibroblast activation in IPF...
February 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28239656/autoreactive-helper-t-cells-alleviate-the-need-for-intrinsic-tlr-signaling-in-autoreactive-b-cell-activation
#4
Josephine R Giles, Adriana Turqueti Neves, Ann Marshak-Rothstein, Mark J Shlomchik
T cells play a significant role in the pathogenesis of systemic autoimmune diseases, including systemic lupus erythematosus; however, there is relatively little information on the nature and specificity of autoreactive T cells. Identifying such cells has been technically difficult because they are likely to be rare and low affinity. Here, we report a method for identifying autoreactive T cell clones that recognize proteins contained in autoantibody immune complexes, providing direct evidence that functional autoreactive helper T cells exist in the periphery of normal mice...
February 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28239564/cancer-stem-cells-and-early-stage-basal-like-breast-cancer
#5
Pang-Kuo Lo, Benjamin Wolfson, Qun Zhou
Ductal carcinoma in situ (DCIS) is a category of early stage, non-invasive breast tumor defined by the intraductal proliferation of malignant breast epithelial cells. DCIS is a heterogeneous disease composed of multiple molecular subtypes including luminal, HER2 and basal-like types, which are characterized by immunohistochemical analyses and gene expression profiling. Following surgical and radiation therapies, patients with luminal-type, estrogen receptor-positive DCIS breast tumors can benefit from adjuvant endocrine-based treatment...
May 10, 2016: World Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28239502/immunooncology-can-the-right-chimeric-antigen-receptors-t-cell-design-be-made-to-cure-all-types-of-cancers-and-will-it-be-covered
#6
REVIEW
Regina Au
Immunooncology (IO) is the buzz word today and it has everyone doing IO research. If we look back at the history of cancer treatment, the survival rate was measured in months which, according to oncologists, was a lot back then because the mortality rate in most cancers was 100%. However, most traditional chemotherapies were not well tolerated because they would kill both cancerous and healthy cells, which lead to major side effects such as loss of hair, nausea and vomiting, and risk of infection. Survival was better but not much better depending on the type of cancer and the patient's own genetic and physiological make-up...
2017: Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28239177/radiotherapy-for-metastatic-breast-cancer-in-mexico-results-from-the-2015-national-survey
#7
Nora Álvarez-Águila, Hilary Cook, Diddier Prada, Aida Mota-García, Luis A Herrera, Alejandro Mohar-Betancourt, Abelardo Meneses-García, Felicia M Knaul
BACKGROUND: Radiation therapy is a keystone to improve survival and quality of life in breast cancer patients. In Mexico, however, scarce information is available on the obstacles faced by radio-oncologists to provide appropriate treatment. OBJECTIVE: To determine the most frequent issues faced by physicians to provide radiation therapy for metastatic breast cancer in Mexico. METHODS: A survey of 16 multiple-choice questions to be answered electronically by 167 radio-oncologists currently working in Mexico was designed and thereafter analyzed for differences between private and public practices, based on the responses from the surveyed participants...
January 2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/28239169/cardiovascular-disease-in-haemodialysis-role-of-the-intravascular-innate-immune-system
#8
REVIEW
Kristina N Ekdahl, Inga Soveri, Jöns Hilborn, Bengt Fellström, Bo Nilsson
Haemodialysis is a life-saving renal replacement modality for end-stage renal disease, but this therapy also represents a major challenge to the intravascular innate immune system, which is comprised of the complement, contact and coagulation systems. Chronic inflammation is strongly associated with cardiovascular disease (CVD) in patients on haemodialysis. Biomaterial-induced contact activation of proteins within the plasma cascade systems occurs during haemodialysis and initially leads to local generation of inflammatory mediators on the biomaterial surface...
February 27, 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28239141/chronic-myeloid-leukemia-associated-hypercalcemia-a-case-report-and-literature-review
#9
David Toro-Tobón, Sarimar Agosto, Sara Ahmadi, Maureen Koops, Jan M Bruder
BACKGROUND Hypercalcemia associated with chronic myeloid leukemia (CML) is an ominous sign. Although rare, several cases have been reported and multiple pathophysiologic mechanisms have been independently proposed. We present a patient case and a literature review of the clinical presentation and mechanisms of CML-associated hypercalcemia. CASE REPORT A 58-year-old male with a past medical history of CML diagnosed six years earlier, presented to the emergency department with one week of acute confusion, disorientation, polyuria, and polydipsia...
February 27, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28239070/lipid-lowering-therapy-to-modify-plaque-microstructures
#10
Yu Kataoka, Jordan Andrews, Rishi Puri, Peter Psaltis, Stephen J Nicholls
Due to the pandemics of obesity and diabetes mellitus, especially in the Western countries, atherosclerotic cardiovascular disease (ASCVD) has become a major health burden and is expected to increase in the future. Modifying lipid targets, especially low-density lipoprotein cholesterol (LDL-C) level, has become the first-line therapy for primary and secondary prevention of ASCVD. Intravascular imaging modalities have contributed to elucidating clinical efficacy of lipid lowering therapy on atherosclerotic plaques...
February 24, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28239054/critical-care-management-focused-on-optimizing-brain-function-after-cardiac-arrest
#11
Ryuta Nakashima, Toru Hifumi, Kenya Kawakita, Tomoya Okazaki, Satoshi Egawa, Akihiko Inoue, Ryutaro Seo, Nobuhiro Inagaki, Yasuhiro Kuroda
The discussion of neurocritical care management in post-cardiac arrest syndrome (PCAS) has generally focused on target values used for targeted temperature management (TTM). There has been less attention paid to target values for systemic and cerebral parameters to minimize secondary brain damage in PCAS. And the neurologic indications for TTM to produce a favorable neurologic outcome remain to be determined. Critical care management of PCAS patients is fundamental and essential for both cardiologists and general intensivists to improve neurologic outcome, because definitive therapy of PCAS includes both special management of the cause of cardiac arrest, such as coronary intervention to ischemic heart disease, and intensive management of the results of cardiac arrest, such as ventilation strategies to avoid brain ischemia...
February 24, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28238927/initial-and-long-term-results-of-a-microcatheter-based-retrograde-approach-for-the-endovascular-treatment-of-chronic-total-occlusion-in-iliac-or-femoropopliteal-arteries
#12
Junya Matsumi, Takuma Takada, Noriaki Moriyama, Tomoki Ochiai, Kazuki Tobita, Koki Shishido, Kazuya Sugitatsu, Shingo Mizuno, Futoshi Yamanaka, Masato Murakami, Yutaka Tanaka, Saeko Takahashi, Takeshi Akasaka, Shigeru Saito
BACKGROUND: Initial and long-term outcomes of the retrograde endovascular approach using a microcatheter for the treatment of chronic total occlusion (CTO) in the iliac or femoropopliteal (FP) arteries has not been fully elucidated. METHODS: From 2012 to 2014, 20 consecutive patients (21 limbs) underwent endovascular therapy (EVT) for CTO in the iliac or FP arteries using the microcatheter-based retrograde approach. An analysis of the initial and long-term outcomes was conducted...
February 23, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28238893/dna-analysis-of-cattle-parasitic-protozoan-tritrichomonas-foetus-after-photodynamic-therapy
#13
A Margraf-Ferreira, I C S Carvalho, S M Machado, C Pacheco-Soares, C W Galvão, R M Etto, N S da Silva
Photodynamic therapy (PDT) is a modality of therapy that involves the activation of photosensitive substances and the generation of cytotoxic oxygen species and free radicals to promote the selective destruction of target tissues. This study analyzed the application of PDT to Tritrichomonas foetus, a scourged and etiological agent of bovine trichomoniasis, a sexually transmitted infectious disease. As it is an amitochondrial and aerotolerant protozoan, it produces energy under low O2 tension via hydrogenosome...
February 23, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28238819/alkylphospholipids-an-update-on-molecular-mechanisms-and-clinical-relevance
#14
REVIEW
Pablo Ríos-Marco, Carmen Marco, Xiomara Gálvez, Jose M Jiménez-López, María P Carrasco
Alkylphospholipid (APL) represent a new class of drugs which do not interact directly with DNA but act on the cell membrane where they accumulate and interfere with lipid metabolism and signalling pathways. This review summarizes the mode of action at the molecular level of these compounds. In this sense, a diversity of mechanisms has been suggested to explain the actions of clinically-relevant APLs, in particular, in cancer treatment. One consistently reported finding is that APLs reduce the biosynthesis of phosphatidylcholine (PC) by inhibiting the rate-limiting enzyme CTP:phosphocholine cytidylyltransferase (CT)...
February 23, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28238784/deacetylation-of-ku70-by-sirt6-attenuates-bax-mediated-apoptosis-in-hepatocellular-carcinoma
#15
Na-Na Tao, Ji-Hua Ren, Hua Tang, Long-Kuan Ran, Hong-Zhong Zhou, Bo Liu, Ai-Long Huang, Juan Chen
SIRT6 is a class III histone deacetylase that has been implicated in HCC development. We previously reported that SIRT6 potentiated apoptosis evasion in hepatocellular carcinoma by inhibiting both Bax expression and mitochondrial translocalization. However, the mechanism underlying SIRT6-mediated inhibition of Bax mitochondrial localization remains elusive. In this study, we found that although SIRT6 had no effect on the expression level of Ku70, SIRT6 could interact with Ku70 and deacetylate it. The increased acetylation of Ku70 in SIRT6-depleted cells disrupt its interaction with Bax, which finally resulted in Bax mitochondrial translocalization...
February 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28238698/nasopharyngeal-protein-biomarkers-of-acute-respiratory-virus-infection
#16
Thomas W Burke, Ricardo Henao, Erik Soderblom, Ephraim L Tsalik, J Will Thompson, Micah T McClain, Marshall Nichols, Bradly P Nicholson, Timothy Veldman, Joseph E Lucas, M Arthur Moseley, Ronald B Turner, Robert Lambkin-Williams, Alfred O Hero, Christopher W Woods, Geoffrey S Ginsburg
Infection of respiratory mucosa with viral pathogens triggers complex immunologic events in the affected host. We sought to characterize this response through proteomic analysis of nasopharyngeal lavage in human subjects experimentally challenged with influenza A/H3N2 or human rhinovirus, and to develop targeted assays measuring peptides involved in this host response allowing classification of acute respiratory virus infection. Unbiased proteomic discovery analysis identified 3285 peptides corresponding to 438 unique proteins, and revealed that infection with H3N2 induces significant alterations in protein expression...
February 21, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28238633/early-neonatal-death-a-challenge-worldwide
#17
REVIEW
Liisa Lehtonen, Ana Gimeno, Anna Parra-Llorca, Máximo Vento
Early neonatal death (ENND), defined as the death of a newborn between zero and seven days after birth, represents 73% of all postnatal deaths worldwide. Despite a 50% reduction in childhood mortality, reduction of ENND has significantly lagged behind other Millennium Developmental Goal achievements and is a growing contributor to overall mortality in children aged <5 years. The etiology of ENND is closely related to the level of a country's industrialization. Hence, prematurity and congenital anomalies are the leading causes in high-income countries...
February 23, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28238563/the-development-and-use-of-vascular-targeted-therapy-in-ovarian-cancer
#18
REVIEW
Dana M Chase, David J Chaplin, Bradley J Monk
Combination vascular-targeted therapies (VTTs) represent a promising approach for patients with platinum-resistant recurrent ovarian cancer (OC). VTTs include two mechanistically distinct classes of agents: anti-angiogenic agents (AAs) and vascular-disrupting agents (VDAs). AAs suppress growth of new tumor vasculature through inhibition of vascular endothelial growth factor (VEGF) and other pro-angiogenic molecules. Bevacizumab, a monoclonal antibody that binds to VEGF, has improved progression-free survival (PFS) when given with chemotherapy in patients with advanced OC...
February 23, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28238554/developing-a-set-of-core-outcomes-for-trials-in-hemodialysis-an-international-delphi-survey
#19
Nicole Evangelidis, Allison Tong, Braden Manns, Brenda Hemmelgarn, David C Wheeler, Peter Tugwell, Sally Crowe, Tess Harris, Wim Van Biesen, Wolfgang C Winkelmayer, Benedicte Sautenet, Donal O'Donoghue, Helen Tam-Tham, Sajeda Youssouf, Sreedhar Mandayam, Angela Ju, Carmel Hawley, Carol Pollock, David C Harris, David W Johnson, Dena E Rifkin, Francesca Tentori, John Agar, Kevan R Polkinghorne, Martin Gallagher, Peter G Kerr, Stephen P McDonald, Kirsten Howard, Martin Howell, Jonathan C Craig
BACKGROUND: Survival and quality of life for patients on hemodialysis therapy remain poor despite substantial research efforts. Existing trials often report surrogate outcomes that may not be relevant to patients and clinicians. The aim of this project was to generate a consensus-based prioritized list of core outcomes for trials in hemodialysis. STUDY DESIGN: In a Delphi survey, participants rated the importance of outcomes using a 9-point Likert scale in round 1 and then re-rated outcomes in rounds 2 and 3 after reviewing other respondents' scores...
February 23, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28238522/endovascular-thrombectomy-and-medical-therapy-versus-medical-therapy-alone-in-acute-stroke-a-randomized-care-trial
#20
Naim N Khoury, Tim E Darsaut, Jimmy Ghostine, Yan Deschaintre, Nicole Daneault, André Durocher, Sylvain Lanthier, Alexandre Y Pope, Céline Odier, Louise-Hélène Lebrun, François Guilbert, Jean-Christophe Gentric, André Batista, Alain Weill, Daniel Roy, Serge Bracard, Jean Raymond
BACKGROUND: Until recently, the benefits of endovascular treatment in stroke were not proven. Care trials have been designed to simultaneously offer yet-to-be validated interventions and verify treatment outcomes. Our aim was to implement a care trial for patients with acute ischemic stroke. METHODS: The study was offered to all patients considered for endovascular management of acute ischemic stroke in one Canadian hospital. Inclusion criteria were broad: onset of symptoms≤5h or at any time in the presence of clinical-imaging mismatch and suspected or demonstrated proximal large vessel occlusion...
February 23, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
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