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https://www.readbyqxmd.com/read/29332359/novel-molecular-and-metabolic-aspects-in-osteosarcoma
#1
Evangelos Tsiambas, Panagiotis P Fotiades, Chrissa Sioka, Dimitrios Kotrotsios, Evangelia Gkika, Andreas Fotopoulos, Stylianos N Mastronikolis, Ilianna E Armata, Evangelos Giotakis, Vasileios Ragos
Osteosarcoma (OS) is the most frequent bone-forming malignancy in children and adolescents. Concerning its molecular landscape, there is no a direct relationship with a specific gene, but a combination of genetic events. A broad spectrum of activated oncogenes and downregulated suppressor genes has been already explored and considered crucial for its progressive pathogenesis. Mechanisms of gene deregulation include amplifications, point mutations, allelic losses and also epigenetic abnormalities such as aberrant promoter methylation...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29332224/phosphatidylserine-exposing-blood-and-endothelial-cells-contribute-to-the-hypercoagulable-state-in-essential-thrombocythemia-patients
#2
Dongxia Tong, Muxin Yu, Li Guo, Tao Li, Jihe Li, Valerie A Novakovic, Zengxiang Dong, Ye Tian, Junjie Kou, Yayan Bi, Jinghua Wang, Jin Zhou, Jialan Shi
The mechanisms of thrombogenicity in essential thrombocythemia (ET) are complex and not well defined. Our objective was to explore whether phosphatidylserine (PS) exposure on blood cells and endothelial cells (ECs) can account for the increased thrombosis and distinct thrombotic risks among mutational subtypes in ET. Using flow cytometry and confocal microscopy, we found that the levels of PS-exposing erythrocytes, platelets, leukocytes, and serum-cultured ECs were significantly higher in each ET group [JAK2, CALR, and triple-negative (TN) (all P < 0...
January 13, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29331484/novel-biomolecular-information-in-rotenone-induced-cellular-model-of-parkinson-s-disease
#3
D Lin, Y Liang, D Zheng, Y Chen, X Jing, M Lei, Z Zeng, T Zhou, X Wu, S Peng, K Huang, L Yang, S Xiao, J Liu, E Tao
In order to uncover the remarkable pathogenic genes or molecular pathological process in Parkinson's disease (PD), we employed a microarray analysis upon the cellular PD model induced by rotenone. Compared to the control group, 2174 genes were screened out to be expressed differently in the rotenone-induced group by certain criterion. GO analysis and the pathways analysis showed the significant enrichment of genes that were associated with the biological process of cell cycle, apoptotic process, organelle fusion, mitochondrial lesion, endoplasmic reticulum stress and so on...
January 10, 2018: Gene
https://www.readbyqxmd.com/read/29331359/quantitative-ct-evaluation-of-small-pulmonary-vessels-in-patients-with-acute-pulmonary-embolism
#4
Shin Matsuoka, Akiyuki Kotoku, Tsuneo Yamashiro, Shoichiro Matsushita, Atsuko Fujikawa, Kunihiro Yagihashi, Yasuo Nakajima
RATIONALE AND OBJECTIVES: The objective of this study was to investigate the correlation between the computed tomography (CT) cross-sectional area (CSA) of small pulmonary vessels and the CT obstruction index in patients with acute pulmonary embolism (PE) and the correlation between the changes in these measurements after anticoagulant therapy. MATERIALS AND METHODS: Fifty-two patients with acute PE were selected for this study. We measured the CSA less than 5 mm2 on coronal reconstructed images to obtain the percentage of the CSA (%CSA < 5)...
January 10, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29331080/design-synthesis-and-evaluation-of-novel-oxazaborine-inhibitors-of-the-nlrp3-inflammasome
#5
Alex George Baldwin, Victor S Tapia, Tessa Swanton, Claire S White, James A Beswick, David Brough, Sally Freeman
The NLRP3 inflammasome is an important regulator of the sterile inflammatory response and its activation by host-derived sterile molecules leads to the intracellular activation of caspase-1, processing of the pro-inflammatory cytokines interleukin-1β (IL 1β)/IL-18, and pyroptotic cell death. Inappropriate activation of NLRP3 drives a chronic inflammatory response and is implicated in several non-communicable diseases, including gout, atherosclerosis, type II diabetes and Alzheimer's disease. In this study, we report the design, synthesis and biological evaluation of novel boron compounds (NBCs) as NLRP3 inflammasome inhibitors...
January 13, 2018: ChemMedChem
https://www.readbyqxmd.com/read/29330765/pudendal-nerve-terminal-motor-latency-testing-does-not-provide-useful-information-in-guiding-therapy-for-fecal-incontinence
#6
Julia T Saraidaridis, George Molina, Lieba R Savit, Holly Milch, Tiffany Mei, Samantha Chin, James Kuo, Liliana Bordeianou
PURPOSE: Pudendal nerve terminal motor latency (PNTML) testing is a standard recommendation for the evaluation of fecal incontinence. Its role in guiding therapy for fecal incontinence has been previously questioned. The aim of this study was to evaluate the relationship between PNTML testing and anorectal dysfunction. METHODS: This was a retrospective analysis of data collected prospectively from patients who presented to a pelvic floor disorder center from 2007 to 2015...
January 13, 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29330745/-treatment-of-rotational-malalignment-of-the-lower-leg
#7
REVIEW
P Keppler
BACKGROUND: Rotational malalignment after intramedullary nailing of tibial shaft fractures is not uncommon. In-toeing and out-toeing conditions in children are often the reason for orthopedic and traumatological medical consultation. OBJECTIVE: Evaluation of diagnostic modalities and therapeutic options for rotational malalignment in relationship to the patient's age. Surgical indications and efficacy of specific surgical techniques. MATERIAL AND METHODS: Systematic literature search in the German Institute for Medical Documentation and Information (DIMDI) and MEDLINE and evaluation of the currently published articles...
January 12, 2018: Der Unfallchirurg
https://www.readbyqxmd.com/read/29330175/development-and-validation-of-an-instrument-for-measuring-the-burden-of-medicine-on-functioning-and-well-being-the-medication-related-burden-quality-of-life-mrb-qol-tool
#8
Mohammed A Mohammed, Rebekah J Moles, Sarah N Hilmer, Lisa Kouladjian O'Donnel, Timothy F Chen
OBJECTIVE: Medication-related burden (MRB) is a negative experience with medicine, which may impact on psychological, social, physical and financial well-being of an individual. This study describes the development and initial validation of an instrument specifically designed to measure MRB on functioning and well-being-the Medication-Related Burden Quality of Life (MRB-QoL) tool. METHODS: An initial pool of 76-items for MRB-QoL was generated. The link to MRB-QoL survey was sent to a sample of consumers living with at least one chronic medical condition and taking ≥3 prescription medicines on a regular basis...
January 11, 2018: BMJ Open
https://www.readbyqxmd.com/read/29330123/a-bibliometric-review-of-drug-repurposing
#9
REVIEW
Nancy C Baker, Sean Ekins, Antony J Williams, Alexander Tropsha
We have conducted a bibliometric review of drug repurposing by scanning >25 million papers in PubMed and using text-mining methods to gather, count and analyze chemical-disease therapeutic relationships. We find that >60% of the ∼35 000 drugs or drug candidates identified in our study have been tried in more than one disease, including 189 drugs that have been tried in >300 diseases each. Whereas in the majority of cases these drugs were applied in therapeutic areas close to their original use, there have been striking, and perhaps instructive, successful attempts of drug repurposing for unexpected, novel therapeutic areas...
January 9, 2018: Drug Discovery Today
https://www.readbyqxmd.com/read/29329366/delineating-differential-regulatory-signatures-of-the-human-transcriptome-in-the-choriodecidua-and-myometrium-at-term-labor
#10
Sylvia Lui, Cyntia Duval, Farkhondeh Farrokhnia, Sylvie Girard, Lynda K Harris, Clare L Tower, Adam Stevens, Rebecca L Jones
Background: Preterm deliveries remain the leading cause of neonatal morbidity and mortality. Current therapies target only myometrial contractions and are largely ineffective. As labor involves multiple coordinated events across maternal and fetal tissues, identifying fundamental regulatory pathways of normal term labor is vital to understanding successful parturition and consequently labor pathologies. We aimed to identify transcriptomic signatures of human normal term labor of two tissues: in the fetal-facing choriodecidua and the maternal myometrium...
January 10, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29329080/intrauterine-inflammatory-activation-functional-progesterone-withdrawal-and-the-timing-of-term-and-preterm-birth
#11
REVIEW
Jeffrey A Keelan
The central role of inflammatory processes in labour and delivery is now well-recognised. However, the biomolecular, immunological and endocrine mechanisms involved in the labour process, and the clinical manifestations of inflammation in pregnancy, are complex, variable and modulated by factors such as aetiology, ethnicity and gestational age. In this review, evidence is presented of the pivotal relationship between progesterone and inflammation in pregnancy in terms of determining the timing of labour and delivery...
December 22, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29328418/microrna%C3%A2-3941-targets-igf2-to-control-lps%C3%A2-induced-acute-pneumonia-in-a549-cells
#12
Shinuan Fei, Lichun Cao, Liangzhi Pan
The present study aimed to investigate the potential roles and regulatory mechanism of microRNA (miR)-3941 in lipopolysaccharides (LPS)‑induced acute pneumonia. The expression of miR‑3941 in child patients with acute pneumonia was detected and A549 cells were treated with LPS to establish the cellular model of acute pneumonia. The effects of miR‑3941 in LPS‑induced cell injury were investigated by assessing cell viability, apoptosis and inflammation. In addition, the regulatory relationship between miR‑3941 and insulin‑like growth factor 2 (IGF2) was explored, as well as the association between miR‑3941 and the phosphatidylinositol‑4,5‑bisphosphate 3‑kinase/protein kinase B (PI3K/AKT) pathway...
December 29, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29327527/role-and-relevance-of-blood-pressure-variability-in-hypertension-related-co-morbidities
#13
Ashok Kumar, B C Kalmath, Georgi Abraham, Johann Christopher, Pln Kaparthi, Louie Fischer, Neeta Deshpande, N K Mishra, Praveen Raj, Rajesh Javerani, Ramesh Goyal, Reefa Dsouza, Shashank R Joshi
Despite maintaining mean blood pressure at optimal levels, cardiovascular complications still occur in hypertensive patients. Blood pressure variability (BPV) has been implicated as a prominent factor responsible for incurring this additional risk. In this review we attempted to generate a consensus on the importance of BPV in the hypertension management and to evaluate different therapeutic options available to reduce BPV. Panel comprising of 11 leading experts from India in different areas of clinical practice (including nephrology, diabetes and endocrinology, cardiology, and critical care medicine) was convened...
December 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29327155/downregulation-of-mir-503-contributes-to-the-development-of-drug-resistance-in-ovarian-cancer-by-targeting-pi3k-p85
#14
Di Wu, Pan Lu, Xue Mi, Jinwei Miao
OBJECTIVE: Cisplatin is an important chemotherapeutic agent frequently used in the treatment of ovarian cancer. However, resistance to cisplatin is an obstacle to the treatment of ovarian cancer. Recently, many studies have demonstrated that microRNAs (miRNAs) are involved in the drug resistance of ovarian cancer cells. In this study, we explored the role of miR-503 in cisplatin-resistant ovarian cancer. MATERIALS AND METHODS: To investigate the relationship between miR-503 expression and the sensitivity of ovarian cancer cells to cisplatin, the cells were transfected with miR-503 mimics/inhibitors...
January 11, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29326279/gut-microbiota-in-cardiovascular-disease-and-heart-failure
#15
REVIEW
Takeshi Kitai, W H Wilson Tang
Accumulating evidence supports a relationship between the complexity and diversity of the gut microbiota and host diseases. In addition to alterations in the gut microbial composition, the metabolic potential of gut microbiota has been identified as a contributing factor in the development of diseases. Recent technological developments of molecular and biochemical analyses enable us to detect and characterize the gut microbiota via assessment and classification of its genomes and corresponding metabolites. These advances have provided emerging data supporting the role of gut microbiota in various physiological activities including host metabolism, neurological development, energy homeostasis, and immune regulation...
January 16, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29325620/primary-familial-brain-calcifications
#16
Beatriz Quintáns, Joao Oliveira, María-Jesús Sobrido
Primary familial brain calcification (PFBC) is a neurodegenerative disease with characteristic calcium deposits in the basal ganglia and other brain regions. The disease usually presents as a combination of abnormal movements, cognitive and psychiatric manifestations, clinically indistinguishable from other adult-onset neurodegenerative disorders. The differential diagnosis must be established with genetic and nongenetic disorders that can also lead to calcium deposits in encephalic structures. In the past years PFBC causal mutations have been discovered in genes related to calcium phosphate homeostasis (SLC20A2, XPR1) and in genes involved with endothelial function and integrity (PDGFB, PDGFRB)...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29324753/microrna-signatures-of-endogenous-huntingtin-cag-repeat-expansion-in-mice
#17
Peter Langfelder, Fuying Gao, Nan Wang, David Howland, Seung Kwak, Thomas F Vogt, Jeffrey S Aaronson, Jim Rosinski, Giovanni Coppola, Steve Horvath, X William Yang
In Huntington's disease (HD) patients and in model organisms, messenger RNA transcriptome has been extensively studied; in contrast, comparatively little is known about expression and potential role of microRNAs. Using RNA-sequencing, we have quantified microRNA expression in four brain regions and liver, at three different ages, from an allelic series of HD model mice with increasing CAG length in the endogenous Huntingtin gene. Our analyses reveal CAG length-dependent microRNA expression changes in brain, with 159 microRNAs selectively altered in striatum, 102 in cerebellum, 51 in hippocampus, and 45 in cortex...
2018: PloS One
https://www.readbyqxmd.com/read/29324067/mao-inhibitors-and-their-wider-applications-a-patent-review
#18
Simone Carradori, Daniela Secci, Jacques P Petzer
Monoamine oxidase (MAO) inhibitors, after the initial "golden age", are currently used as third-line antidepressants (selective MAO-A inhibitors) or clinically enrolled as co-adjuvants for neurodegenerative diseases (selective MAO-B inhibitors). However, the research within this field is always increasing due to their pivotal role in modulating synaptic functions and monoamines metabolism. Areas covered: In this paper, MAO inhibitors (2015-2017) are disclosed ordering all the patents according to their chemical scaffold...
January 11, 2018: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/29323338/ulinastatin-attenuates-lps-induced-inflammation-in-mouse-macrophage-raw264-7-cells-by-inhibiting-the-jnk-nf-%C3%AE%C2%BAb-signaling-pathway-and-activating-the-pi3k-akt-nrf2-pathway
#19
Si-Tong Li, Qi Dai, Shu-Xian Zhang, Ya-Jun Liu, Qiu-Qiong Yu, Fei Tan, Shu-Hong Lu, Quan Wang, Jian-Wen Chen, He-Qing Huang, Pei-Qing Liu, Min Li
Ulinastatin (UTI) is a broad-spectrum serine protease inhibitor isolated and purified from human urine with strong anti-inflammatory and cytoprotective actions, which is widely used for the treatment of various diseases, such as pancreatitis and sepsis. Although the therapeutic effects of UTI are reported to be associated with a variety of mechanisms, the signaling pathways mediating the anti-inflammatory action of UTI remain to be elucidated. In the present study we carried out a systematic study on the anti-inflammatory and anti-oxidative mechanisms of UTI and their relationships in LPS-treated RAW264...
January 11, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29323337/regulatory-t-cells-as-a-new-therapeutic-target-for-atherosclerosis
#20
REVIEW
Han-Xiao Ou, Bing-Bing Guo, Qi Liu, Yu-Kun Li, Zhen Yang, Wen-Jie Feng, Zhong-Cheng Mo
Atherosclerosis is an autoimmune disease caused by self- and non-self-antigens contributing to excessive activation of T and B cell immune responses. These responses further aggravate vascular inflammation and promote progression of atherosclerosis and vulnerability to plaques via releasing pro-inflammatory cytokines. Regulatory T cells (Tregs) as the major immunoregulatory cells, in particular, induce and maintain immune homeostasis and tolerance by suppressing the immune responses of various cells such as T and B cells, natural killer (NK) cells, monocytes, and dendritic cells (DCs), as well as by secreting inhibitory cytokines interleukin (IL)-10, IL-35 and transcription growth factor β (TGF-β) in both physiological and pathological states...
January 11, 2018: Acta Pharmacologica Sinica
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