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https://www.readbyqxmd.com/read/27915478/targeting-the-phosphatidylinositol-3-kinase-pathway-in-gastric-cancer-can-omics-improve-outcomes
#1
REVIEW
Phu Tran, Cham Nguyen, Samuel J Klempner
Phosphatidylinositol-3-kinase (PI3K) pathway signaling is an established oncogenic signal transduction pathway implicated in multiple malignancies. Therapeutic targeting of PI3K pathway components has improved outcomes in chronic lymphocytic leukemia, kidney cancer, breast cancer, and neuroendocrine tumors. Gastric cancers harbor some of the highest rates of oncogenic alterations in PI3K but attempts to translate this genomic observation have met with limited clinical success and novel approaches are needed...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27915333/prss8-is-downregulated-and-suppresses-tumour-growth-and-metastases-in-hepatocellular-carcinoma
#2
Li Zhang, Guozhan Jia, Binya Shi, Guanqun Ge, Hongbin Duan, Yunsheng Yang
BACKGROUND: Protease serine 8 (PRSS8), a trypsin-like serine peptidase, has been shown to function as a tumour suppressor in various malignancies. The present study aimed to investigate the expression pattern, prognostic value and the biological role of PRSS8 in human hepatocellular carcinoma (HCC). METHODS: PRSS8 expression in 106 HCC surgical specimens was examined by Real-time polymerase chain reaction (PCR) and immunohistochemistry, and its clinical significance was analysed...
December 5, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27915307/diversity-and-antifungal-drug-susceptibility-of-cryptococcus-isolates-in-thailand
#3
Navaporn Worasilchai, Marut Tangwattanachuleeporn, Kornvalee Meesilpavikkai, Claudia Folba, Mourine Kangogo, Uwe Groß, Michael Weig, Oliver Bader, Ariya Chindamporn
Yeasts of the Cryptococcus species complex are the causative agent of cryptococcosis, especially in human immunodeficiency virus (HIV) positive individuals. Cerebral or disseminated cryptococcosis has a very high mortality rate worldwide, including in Thailand. Additionally, an increasing rate of antifungal drug resistant cryptococcal isolates has been reported in several neighboring countries, complicating therapeutic approaches. To understand the situation of this infection in Thailand, we retrospectively investigated the molecular epidemiology and antifungal drug resistance in a collection of 74 clinical, 52 environmental and two veterinary isolates using the URA5-RFLP for typing and the EUCAST guideline for susceptibility testing...
December 3, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27915305/dna-barcoding-coupled-with-high-resolution-melting-analysis-enables-rapid-and-accurate-distinction-of-aspergillus-species
#4
Gabor Fidler, Sandor Kocsube, Eva Leiter, Sandor Biro, Melinda Paholcsek
We describe a high-resolution melting (HRM) analysis method that is rapid, reproducible, and able to identify reference strains and further 40 clinical isolates of Aspergillus fumigatus (14), A. lentulus (3), A. terreus (7), A. flavus (8), A. niger (2), A. welwitschiae (4), and A. tubingensis (2). Asp1 and Asp2 primer sets were designed to amplify partial sequences of the Aspergillus benA (beta-tubulin) genes in a closed-, single-tube system. Human placenta DNA, further Aspergillus (3), Candida (9), Fusarium (6), and Scedosporium (2) nucleic acids from type strains and clinical isolates were also included in this study to evaluate cross reactivity with other relevant pathogens causing invasive fungal infections...
December 3, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27915250/importance-of-fumarate-and-nitrate-reduction-regulatory-protein-for-proliferation-for-intestinal-proliferation-of-vibrio-vulnificus
#5
Takehiro Kado, Takashige Kashimoto, Kohei Yamazaki, Shunji Ueno
The sepsis caused by Vibrio vulnificus is characterized by an average incubation period of 26 hours and a high mortality rate exceeding 50%. The fast growth and dissemination of V. vulnificus in vivo lead to poor clinical outcomes in patients. Therefore, elucidation of the proliferation mechanisms of this organism in vivo may lead to development of an effective therapeutic strategy. In this study, we focused on the low oxygen concentration in the intestinal milieu because of its drastic difference from that in the air...
December 2, 2016: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/27915165/re-assessing-gallium-67-as-a-therapeutic-radionuclide
#6
Muhamad F Bin Othman, Nabil R Mitry, Valerie J Lewington, Philip J Blower, Samantha Y A Terry
INTRODUCTION: Despite its desirable half-life and low energy Auger electrons that travel further than for other radionuclides, (67)Ga has been neglected as a therapeutic radionuclide. Here, (67)Ga is compared with Auger electron emitter (111)In as a potential therapeutic radionuclide. METHODS: Plasmid pBR322 studies allowed direct comparison between (67)Ga and (111)In (1MBq) in causing DNA damage, including the effect of chelators (EDTA and DTPA) and the effects of a free radical scavenger (DMSO)...
October 29, 2016: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/27915083/pharmacodynamic-and-cytogenetic-evaluation-in-cyp2c19-2-and-cyp2c19-3-allelomorphism-in-south-indian-population-with-clopidogrel-therapy
#7
Javeed Ahmad Tantray, K Pratap Reddy, Kaiser Jamil, Y Shiva Kumar
BACKGROUND: Genetic factors play a significant role in pathogenesis of most diseases of heart. The present study was undertaken to correlate coronary artery disease with demographical, biochemical alterations, SNPs, gene expression and chromosomal abnormalities and for further enlightening the investigation in this field. METHODS: 150 patients taking clopidogrel drug were selected and single nucleotide polymorphism was done by PCR-RFLP techniques. With the same patients cytogenetic analysis was carried out on leukocyte cultures by karyotyping...
November 11, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27915069/systematic-review-of-the-efficacy-of-particulate-vs-non-particulate-corticosteroids-in-epidural-injections
#8
REVIEW
Priyesh Mehta, Isaac Syrop, Jaspal Ricky Singh, Jonathan Kirschner
OBJECTIVE: To systematically analyze published studies in regards to the comparative efficacy of particulate versus non-particulate corticosteroids for cervical and lumbosacral epidural steroid injections (ESI) in reducing pain and improving function. TYPE: Systematic Review LITERATURE SURVEY: MEDLINE (Ovid), EMBASE, and Cochrane databases were searched from the period of 1950 to December 2015. METHODOLOGY: Criteria for inclusion in this review were: 1) Randomized controlled trials and 2) Retrospective studies comparing particulate versus non-particulate medication in fluoroscopically guided injections using a transforaminal (TF) or interlaminar (IL) approach...
November 30, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27915068/effects-of-the-pulsed-ultrasound-therapy-on-sensory-nerve-conduction-parameters-and-the-pain-threshold-perceptions-in-humans
#9
Othmar Schuhfried, Damir Vukanovic, Christian Kollmann, Karin Pieber, Tatjana Paternostro-Sluga
BACKGROUND: Therapeutic ultrasound is a often used clinical modality in the non-surgical treatment of entrapment neuropathies. To date the possible mechanism of action of pulsed ultrasound therapy on the peripheral nerve in the treatment of entrapment neuropathies is unclear. OBJECTIVE: To examine the effects of pulsed ultrasound therapy on peripheral nerve conduction parameters. DESIGN: A prospective, randomized, single blind, cross-over study...
November 30, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27915007/effect-of-the-oral-administration-of-nanoencapsulated-quercetin-on-a-mouse-model-of-alzheimer-s-disease
#10
Lina Clara Gayoso E Almendra Ibiapina, Elena Puerta, José Eduardo Suárez-Santiago, Nereide Stela Santos-Magalhães, Maria J Ramirez, Juan M Irache
Quercetin has been identified as a promising compound with a neuroprotective potential against age-related neurodegenerative diseases such as Alzheimer's disease (AD). Nevertheless, the clinical application of quercetin is hampered by its low oral bioavailability. The aim of this work was to evaluate the capability of nanoencapsulated quercetin in zein nanoparticles (NPQ), that significantly improves the oral absorption and bioavailability of the flavonoid, as potential oral treatment for AD. For this purpose, SAMP8 mice were orally treated for two months with either NPQ (25mg/kg every 48hours) or a solution of quercetin (Q; 25mg/kg daily)...
November 30, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27914804/nutrition-and-chronic-inflammatory-rheumatic-disease
#11
Luca Semerano, Chantal Julia, Ouidade Aitisha, Marie-Christophe Boissier
Nutrition is a major environmental influence on human health. Epidemiological and interventional studies suggest a pathophysiological or therapeutic role, respectively, for nutrition in inflammatory rheumatic diseases (IRDs). Nevertheless, the associations between nutrition and IRDs are often weak and inconsistent, and the available clinical trials on nutrition are methodologically flawed. Experimental evidence is accumulating that micronutrients in the diet may influence intestinal and systemic immune responses via complex interactions involving the gut microbiota...
November 30, 2016: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/27914779/what-do-radiation-oncologists-require-for-future-advancements-in-lung-sbrt
#12
REVIEW
Umberto Ricardi, Serena Badellino, Andrea Riccardo Filippi
Stereotactic Body Radiotherapy (SBRT) is a well established therapeutic option for patients affected with peripheral early stage non-small cell lung cancer (NSCLC), given the positive clinical evidence accumulated so far on its efficacy and safety. SBRT is regarded as the best choice for inoperable patients, and could also be offered as an alternative to surgery to selected operable patients. More recently, its use for lung metastases progressively increased, and SBRT is now regarded as a low toxic and highly effective local therapy for lung oligometastases from different primary tumors, especially colorectal cancer...
November 30, 2016: Physica Medica: PM
https://www.readbyqxmd.com/read/27914760/update-clinical-use-of-plasma-lactate
#13
REVIEW
Íde Gillespie, Patricia G Rosenstein, Dez Hughes
Lactate is an essential, versatile metabolic fuel in cellular bioenergetics. In human emergency and critical care, lactate is used as a biomarker and therapeutic endpoint and evidence is growing in veterinary medicine supporting its clinical utility. Lactate production is a protective response providing ongoing cellular energy during tissue hypoperfusion or hypoxia and mitigating acidosis. Hence, hyperlactatemia is closely associated with disease severity but it is an epiphenomenon as the body attempts to protect itself...
November 30, 2016: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/27914706/vascular-calcification-in-chronic-kidney-disease-different-bricks-in-the-wall
#14
REVIEW
Marc Vervloet, Mario Cozzolino
A high prevalence of vascular calcification (VC) and a high incidence of cardiovascular events are two key complications of chronic kidney disease. Since most observational studies found a positive association between these two complications, a causal relationship has been assumed. If so, this would render VC a target of therapy. Recent studies, however, suggested this assumption might be an oversimplification. The fundamental aspects of these recent studies are two-fold. The first novel insight is that VC is not a single entity...
November 30, 2016: Kidney International
https://www.readbyqxmd.com/read/27914655/crohn-s-disease
#15
REVIEW
Joana Torres, Saurabh Mehandru, Jean-Frédéric Colombel, Laurent Peyrin-Biroulet
Crohn's disease is a chronic inflammatory disease of the gastrointestinal tract, with increasing incidence worldwide. Crohn's disease might result from a complex interplay between genetic susceptibility, environmental factors, and altered gut microbiota, leading to dysregulated innate and adaptive immune responses. The typical clinical scenario is a young patient presenting with abdominal pain, chronic diarrhoea, weight loss, and fatigue. Assessment of disease extent and of prognostic factors for complications is paramount to guide therapeutic decisions...
November 30, 2016: Lancet
https://www.readbyqxmd.com/read/27914269/targeted-hydroxyethyl-starch-prodrug-for-inhibiting-the-growth-and-metastasis-of-prostate-cancer
#16
Kaidong Zhao, Di Li, Weiguo Xu, Jianxun Ding, Weiqian Jiang, Mingqiang Li, Chunxi Wang, Xuesi Chen
Prostate cancer is one of the most prevalent malignancies among men. Although chemotherapy has been an effective therapeutic approach for treating metastatic prostate cancer, serious undesired side effects have hampered its wide application clinically. In this work, a pH-responsive LHRH-conjugated hydroxyethyl starch-doxorubicin (HES-DOX/LHRH) prodrug was facilely synthesized by conjugating oxidized HES (HES-CHO) with DOX and LHRH through an acid-sensitive Schiff base bond. The resulting prodrug spontaneously self-assembled into nanoscopic micelle with a radius of about 55 nm in an aqueous environment...
November 23, 2016: Biomaterials
https://www.readbyqxmd.com/read/27914244/surgical-treatment-and-histopathological-assessment-of-advanced-cervicovaginal-carcinoma-a-prospective-study-and-retrospective-analysis
#17
Michael Höckel, Benjamin Wolf, Bettina Hentschel, Lars-Christian Horn
BACKGROUND: Standard treatment of advanced cervicovaginal cancer [international federation of gynecology and obstetrics (FIGO) stages II(B), III(A, B), IVA] is (chemo-)radiation excluding the possibility of systematic histopathological assessment of locoregional tumour spread. Laterally extended endopelvic resection (LEER) and therapeutic lymph node dissection (tLND) are novel surgical treatment options for advanced cervicovaginal cancer. METHODS: The therapeutic efficacy of LEER for locally advanced primary and recurrent cervicovaginal cancer was reassessed by an update of the prospective observational trial at the University of Leipzig...
November 30, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/27914235/hyaluronan-as-a-promising-excipient-for-ocular-drug-delivery
#18
REVIEW
Michaela Guter, Miriam Breunig
Hyaluronan (HA) is a naturally occurring polysaccharide and well known for its exceptional properties such as high biocompatibility and biodegradability, along with a low immunogenicity. Besides its use for various biomedical applications it recently came into focus as a favorable excipient for the formulation of various ocular therapeutics. This review article summarizes the ocular distribution of HA and its most heavily investigated binding protein "cluster of differentiation 44" (CD44) which is the rationale for the clinical use of HA, primarily as an additive in ocular applications ranging from eye drops to contact lenses...
November 30, 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27914211/micrornas-in-cardiovascular-disease-clinical-application
#19
Christian Schulte, Mahir Karakas, Tanja Zeller
microRNAs (miRNAs) are well-known, powerful regulators of gene expression, and their potential to serve as circulating biomarkers is widely accepted. In cardiovascular disease (CVD), numerous studies have suggested miRNAs as strong circulating biomarkers with high diagnostic as well as prognostic power. In coronary artery disease (CAD) and heart failure (HF), miRNAs have been suggested as reliable biomarkers matching up to established protein-based such as cardiac troponins (cT) or natriuretic peptides. Also, in other CVD entities, miRNAs were identified as surprisingly specific biomarkers - with great potential for clinical applicability, especially in those entities that lack specific protein-based biomarkers such as atrial fibrillation (AF) and acute pulmonary embolism (APE)...
December 3, 2016: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/27914159/-molecular-mechanisms-for-adhesion-and-colonization-of-human-gastric-mucosa-by-helicobacter-pylori-and-its-clinical-implications
#20
REVIEW
Elisabete Coelho, Ana Magalhães, Mário Dinis-Ribeiro, Celso A Reis
INTRODUCTION: Helicobacter pylori infection is very prevalent worldwide and is associated with the progression of the gastric carcinogenesis cascade, being one of the main risk factors for the development of gastric carcinoma. Several factors are determinant for the infection and for the development of gastric disease, including environmental factors, host genetic factors and virulence factors of the bacteria. MATERIAL AND METHODS: In this review, we present an overview of the current knowledge on the determinants of the infection and on the recently described molecular mechanisms of Helicobacter pylori adhesion to the gastric mucosa, as well as its possible future therapeutic application...
August 2016: Acta Médica Portuguesa
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