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https://www.readbyqxmd.com/read/30517904/magnetically-propelled-hydrogel-particle-motors-produced-by-ultrasound-assisted-hydrodynamic-electrospray-ionization-jetting
#1
Sven Rutkowski, Ling Mu, Tieyan Si, Meiyu Gai, Mengmeng Sun, Johannes Frueh, Qiang He
One of the most promising future applications of hydrogels is drug delivery. The hydrogels act as a biomedical cargo model to reach the target and release drugs to cure diseases. This application requires no side effects of the hydrogel and the ability to pass through porous media (e.g. membranes, interstitial tissue etc.) with nanoscaled channels. At the same time, the hydrogel must be mass-producible in an economic way. In this work, we show that hydrodynamic electrospray ionization jetting combined with ultrasound can fulfill these high requirements...
November 28, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/30513600/identification-of-diaryl-quinoline-compounds-as-entry-inhibitors-of-ebola-virus
#2
Qinghua Cui, Han Cheng, Rui Xiong, Gang Zhang, Ruikun Du, Manu Anantpadma, Robert A Davey, Lijun Rong
Ebola virus is the causative agent of Ebola virus disease in humans. The lethality of Ebola virus infection is about 50%, supporting the urgent need to develop anti-Ebola drugs. Glycoprotein (GP) is the only surface protein of the Ebola virus, which is functionally critical for the virus to attach and enter the host cells, and is a promising target for anti-Ebola virus drug development. In this study, using the recombinant HIV-1/Ebola pseudovirus platform we previously established, we evaluated a small molecule library containing various quinoline compounds for anti-Ebola virus entry inhibitors...
November 30, 2018: Viruses
https://www.readbyqxmd.com/read/30513116/comparative-proteomic-study-of-dog-and-human-saliva
#3
Phutsa Sanguansermsri, Howard F Jenkinson, Jitkamol Thanasak, Kongthawat Chairatvit, Sittiruk Roytrakul, Suthathip Kittisenachai, Duangchewan Puengsurin, Rudee Surarit
Saliva contains many proteins that have an important role in biological process of the oral cavity and is closely associated with many diseases. Although the dog is a common companion animal, the composition of salivary proteome and its relationship with that of human are unclear. In this study, shotgun proteomics was used to compare the salivary proteomes of 7 Thai village dogs and 7 human subjects. Salivary proteomes revealed 2,532 differentially expressed proteins in dogs and humans, representing various functions including cellular component organization or biogenesis, cellular process, localization, biological regulation, response to stimulus, developmental process, multicellular organismal process, metabolic process, immune system process, apoptosis and biological adhesion...
2018: PloS One
https://www.readbyqxmd.com/read/30511495/high-p-mtor-expression-is-associated-with-recurrence-and-shorter-disease-free-survival-in-atypical-meningiomas
#4
Valeria Barresi, Simona Lionti, Lilli La Rocca, Samuel Caliri, Maria Caffo
Due to their widely variable clinical behavior, the post-surgical treatment of atypical meningiomas is controversial. Therefore, prognostic factors able to identify high-risk cases, which may benefit from adjuvant treatments, are warranted. Mammalian target of rapamycin (mTOR) belongs to the PI3K-AKT pathway. Its phosphorylated form (p-mTOR Ser2448) is involved in cell growth, differentiation and tumorigenesis. The aim of this study was to evaluate p-mTOR Ser2448 expression and its eventual correlation with clinicopathological features, recurrence, or disease-free survival (DFS), in atypical meningiomas...
December 3, 2018: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/30507459/global-regional-and-national-burden-of-tuberculosis-1990-2016-results-from-the-global-burden-of-diseases-injuries-and-risk-factors-2016-study
#5
(no author information available yet)
BACKGROUND: Although a preventable and treatable disease, tuberculosis causes more than a million deaths each year. As countries work towards achieving the Sustainable Development Goal (SDG) target to end the tuberculosis epidemic by 2030, robust assessments of the levels and trends of the burden of tuberculosis are crucial to inform policy and programme decision making. We assessed the levels and trends in the fatal and non-fatal burden of tuberculosis by drug resistance and HIV status for 195 countries and territories from 1990 to 2016...
December 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/30506377/the-hsp70-j-protein-machinery-of-the-african-trypanosome-trypanosoma-brucei
#6
Stephen John Bentley, Miebaka Jamabo, Aileen Boshoff
The etiological agent of the neglected tropical disease African trypanosomiasis, Trypanosoma brucei, possesses an expanded and diverse repertoire of heat shock proteins, which have been implicated in cytoprotection, differentiation, as well as progression and transmission of the disease. Hsp70 plays a crucial role in proteostasis, and inhibition of its interactions with co-chaperones is emerging as a potential therapeutic target for numerous diseases. In light of genome annotations and the release of the genome sequence of the human infective subspecies, an updated and current in silico overview of the Hsp70/J-protein machinery in both T...
December 1, 2018: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/30502478/itraq-based-quantitative-proteomics-reveals-the-neuroprotection-of-rhubarb-in-experimental-intracerebral-hemorrhage
#7
Tao Liu, Jing Zhou, Hanjin Cui, Pengfei Li, Jiekun Luo, Yang Wang, Tao Tang
ETHNOPHARMACOLOGICAL RELEVANCE: Rhubarb is a traditional Chinese medicine(TCM), that possesses neuroprotective, anti-inflammatory, antibacterial, antioxidative, purgative and anticancer properties, and has been used to treat intracerebral hemorrhage (ICH) and many other diseases. AIMS OF THE STUDY: This study aimed to investigate the changes of brain protein in ICH rats treated with rhubarb and to explore the multi-target mechanism of rhubarb in the treatment of ICH via bioinformatics analysis of differentially expressed proteins (DEPs)...
November 28, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/30500556/computational-studies-on-n-phenyl-pyrrole-derivatives-as-mmpl3-inhibitors-in-mycobacterium-tuberculosis
#8
RamaKrishna Munnaluri, Saikiran Reddy Peddi, Sree Kanth Sivan, Vijjulatha Manga
The fight against tuberculosis (TB) is a time immemorial one and the emergence of new drug resistant strains of Mycobacterium tuberculosis keeps throwing new challenges to the scientific community immersed in finding mechanisms to control this dreaded disease. Computer aided drug designing (CADD) is one of the several approaches that can assist in identifying the potent actives against Mycobacterium. In this work, a series of 109 known Mycobacterial membrane proteins large 3 (MmpL3) inhibitors were pooled and atom based 3D QSAR analysis was performed to understand the structural features essential for inhibitory activity against the MmpL3, known to be a key player in transporting substances critical for cell wall integrity of Mycobacterium...
November 19, 2018: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/30498762/eosinophils-target-therapy-for-severe-asthma-critical-points
#9
REVIEW
L Brussino, E Heffler, C Bucca, S Nicola, G Rolla
Asthma is a chronic and heterogeneous disease, which is defined as severe disease whenever it requires treatment with a high dose of inhaled corticosteroids plus a second controller and/or systemic corticosteroids to prevent it from becoming ''uncontrolled" or if it remains ''uncontrolled" despite this therapy. Severe asthma is a heterogeneous condition consisting of phenotypes such as eosinophilic asthma, which is characterized by sputum eosinophilia, associated with mild to moderate increase in blood eosinophil count, frequently adult-onset, and associated with chronic rhinosinusitis with nasal polyps in half of the cases...
2018: BioMed Research International
https://www.readbyqxmd.com/read/30498398/exploration-of-methylation-driven-genes-for-monitoring-and-prognosis-of-patients-with-lung-adenocarcinoma
#10
Chundi Gao, Jing Zhuang, Huayao Li, Cun Liu, Chao Zhou, Lijuan Liu, Changgang Sun
Background: As one of the most common malignant tumors in humans, lung cancer has experienced a gradual increase in morbidity and mortality. This study examined prognosis-related methylation-driven genes specific to lung adenocarcinoma (LUAD) to provide a basis for prognosis prediction and personalized targeted therapy for LUAD patients. Methods: The methylation and survival time data from LUAD patients in the TCGA database were downloaded. The MethylMix algorithm was used to identify the differential methylation status of LUAD and adjacent tissues based on the β-mixture model to obtain disease-related methylation-driven genes...
2018: Cancer Cell International
https://www.readbyqxmd.com/read/30498355/-cyp3a5-genotype-based-model-to-predict-tacrolimus-dosage-in-the-early-postoperative-period-after-living-donor-liver-transplantation
#11
Eunhee Ji, Myeong Gyu Kim, Jung Mi Oh
Purpose: Liver transplantation is the treatment of choice for patients with end-stage liver disease. Due to the between- and within-individual pharmacokinetic variability in tacrolimus, used to prevent rejection after transplantation, it is difficult to predict the dose needed achieve the target levels in the blood. This study aimed to construct a population pharmacokinetic model of tacrolimus dosage prediction for therapeutic drug monitoring in clinical settings for Korean adult patients receiving living donor liver transplantation (LDLT)...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/30486541/-study-on-mechanism-of-drynariae-rhizoma-in-treating-osteoporosis-with-integrative-pharmacology-perspective
#12
Yi-Li Zhang, Bin Tang, Jun-Jie Jiang, Hao Shen, Yan-Ming Xie, Xu Wei
Drynariae Rhizoma has great significance in the clinical practice of osteoporosis treatment. Based on the perspective of integrative pharmacology, the study explored the mechanism of action of Drynariae Rhizoma in the treatment of osteoporosis. Six active components in Drynariae Rhizoma were obtained, mainly including glycosides and sterols. Taking the median of 2 times of "node connectivity" as the card value, the core node of the Chinese medicine target disease gene interaction network was selected...
October 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/30483257/single-cell-transcriptomics-in-cancer-immunobiology-the-future-of-precision-oncology
#13
REVIEW
Fatima Valdes-Mora, Kristina Handler, Andrew M K Law, Robert Salomon, Samantha R Oakes, Christopher J Ormandy, David Gallego-Ortega
Cancer is a heterogeneous and complex disease. Tumors are formed by cancer cells and a myriad of non-cancerous cell types that together with the extracellular matrix form the tumor microenvironment. These cancer-associated cells and components contribute to shape the progression of cancer and are deeply involved in patient outcome. The immune system is an essential part of the tumor microenvironment, and induction of cancer immunotolerance is a necessary step involved in tumor formation and growth. Immune mechanisms are intimately associated with cancer progression, invasion, and metastasis; as well as to tumor dormancy and modulation of sensitivity to drug therapy...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/30482844/targeting-bcl-xl-improves-the-efficacy-of-bromodomain-and-extra-terminal-protein-inhibitors-in-triple-negative-breast-cancer-by-eliciting-the-death-of-senescent-cells
#14
Sylvia S Gayle, Jennifer M Sahni, Bryan M Webb, Kristen L Weber-Bonk, Melyssa S Shively, Raffaella Spina, Eli E Bar, Matthew K Summers, Ruth A Keri
Inhibitors of bromodomain and extra-terminal proteins (BETi) suppress oncogenic gene expression and have been shown to be efficacious in many in vitro and murine models of cancer, including triple-negative breast cancer (TNBC), a highly aggressive disease. However, in most cancer models, responses to BETi can be highly variable. We previously reported that TNBC cells either undergo senescence or apoptosis in response to BETi, but the specific mechanisms dictating these two cell fates remain unknown. Using six human TNBC cell lines, we show that the terminal response of TNBC cells to BETi is dictated by the intrinsic expression levels of the anti-apoptotic protein B-cell lymphoma-extra large (BCL‑xL)...
November 27, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/30482220/interactive-online-application-for-the-prediction-ranking-and-prioritisation-of-drug-targets-in-schistosoma-haematobium
#15
Andreas J Stroehlein, Robin B Gasser, Ross S Hall, Neil D Young
BACKGROUND: Human schistosomiasis is a neglected tropical disease caused by parasitic worms of the genus Schistosoma that still affects some 200 million people. The mainstay of schistosomiasis control is a single drug, praziquantel. The reliance on this drug carries a risk of resistance emerging to this anthelmintic, such that research towards alternative anti-schistosomal drugs is warranted. In this context, a number of studies have employed computational approaches to prioritise proteins for investigation as drug targets, based on extensive genomic, transcriptomic and small-molecule data now available...
November 27, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/30479461/cxc-family-of-chemokines-as-prognostic-or-predictive-biomarkers-and-possible-drug-targets-in-colorectal-cancer
#16
REVIEW
Sara Cabrero-de Las Heras, Eva Martínez-Balibrea
Colorectal cancer (CRC) is the third most common cancer in men and the second most common cancer in women, worldwide. In the early stages of the disease, biomarkers predicting early relapse would improve survival rates. In metastatic patients, the use of predictive biomarkers could potentially result in more personalized treatments and better outcomes. The CXC family of chemokines (CXCL1 to 17) are small (8 to 10 kDa) secreted proteins that attract neutrophils and lymphocytes. These chemokines signal through chemokine receptors (CXCR) 1 to 8...
November 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/30479218/current-drugs-and-potential-future-neuroprotective-compounds-for-parkinson-s-disease
#17
Iván Carrera, Ramón Cacabelos
The research progress of understanding the etiology and pathogenesis of Parkinson's disease (PD) has yet lead to the development of some clinical approaches intended to treat cognitive and behavioral symptoms, such as memory and perception disorders. Despite the major advances in different genetic causes and risk factors for PD, which share common pathways to cell dysfunction and death, there is not yet a complete model of PD that can be used to accurately predict the effect of drugs on disease progression...
November 27, 2018: Current Neuropharmacology
https://www.readbyqxmd.com/read/30478151/therapeutic-inhibition-of-the-receptor-tyrosine-kinase-axl-improves-sensitivity-to-platinum-and-taxane-in-ovarian-cancer
#18
Jeanne M Quinn, Molly M Greenwade, Marguerite L Palisoul, Gregory Opara, Katina Massad, Lei Guo, Peinan Zhao, Hollie Beck-Noia, Ian S Hagemann, Andrea R Hagemann, Carolyn K McCourt, Premal H Thaker, Matthew A Powell, David G Mutch, Katherine C Fuh
Ovarian cancer (OvCa), one of the deadliest malignancies in female cancer patients, is characterized by recurrence and poor response to cytotoxic chemotherapies. Fewer than 30% of patients with resistant disease will respond to additional chemotherapy treatments. This study aims to determine whether and how inhibition of the receptor tyrosine kinase AXL can restore sensitivity to front-line platinum and taxane therapy in OvCa. AXL staining was quantified in a patient tissue microarray and correlated with chemoresponse of patients...
November 26, 2018: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/30466107/mthfd2-overexpression-predicts-poor-prognosis-in-renal-cell-carcinoma-and-is-associated-with-cell-proliferation-and-vimentin-modulated-migration-and-invasion
#19
Hao Lin, Bin Huang, Hua Wang, Xincheng Liu, Yuxiang Hong, Shaopeng Qiu, Junhong Zheng
BACKGROUND/AIMS: To investigate the role of methylenetetrahydrofolate dehydrogenase 2 (MTHFD2) in the clinical prognosis and cell biology of renal cell carcinoma (RCC). METHODS: A total of 137 RCC tissues were evaluated by immunohistochemistry. The relationship between MTHFD2 overexpression and clinical parameters and vimentin expression was assessed. Kaplan-Meier curves and the log-rank test were applied for survival analysis according to MTHFD2 and vimentin expression in RCC tissues...
2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/30466045/schistosomiasis-snail-vector-control-molecular-modelling-and-dynamic-studies-of-bioactive-n-acetylglycoside-saponins-from-tetrapleura-tetraptera
#20
Bamigboye J Taiwo, Olujide O Olubiyi, Xue Wang, Funmilola A Fisusi, Ganiyu Akintayo Akinniyi, Fanie R Van Heerden, Birgit Strodel
Schistosomiasis, a chronic neglected tropical disease caused by the Schistosoma spp. parasite, is associated with disabling patient symptoms. The new focus of the WHO roadmap on 'transmission control, wherever possible' offers drug development opportunities for intermediate-host control to prevent human-to-snail-to-human parasite transmission. Reports on the analysis of the impact of 'chemical-based mollusciciding' have concluded that constant application of molluscicides may contribute significantly towards the elimination of schistosomiasis in endemic areas...
September 24, 2018: Computational Biology and Chemistry
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