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https://www.readbyqxmd.com/read/29775757/molecular-characterization-of-physis-tissue-by-rna-sequencing
#1
Christopher R Paradise, Catalina Galeano-Garces, Daniela Galeano-Garces, Amel Dudakovic, Todd A Milbrandt, Daniel B F Saris, Aaron J Krych, Marcel Karperien, Gabriel B Ferguson, Denis Evseenko, Scott M Riester, Andre J van Wijnen, A Noelle Larson
The physis is a well-established and anatomically distinct cartilaginous structure that is crucial for normal long-bone development and growth. Abnormalities in physis function are linked to growth plate disorders and other pediatric musculoskeletal diseases. Understanding the molecular pathways operative in the physis may permit development of regenerative therapies to complement surgically-based procedures that are the current standard of care for growth plate disorders. Here, we performed next generation RNA sequencing on mRNA isolated from human physis and other skeletal tissues (e...
May 15, 2018: Gene
https://www.readbyqxmd.com/read/29775690/molecular-subtyping-of-colorectal-cancer-recent-progress-new-challenges-and-emerging-opportunities
#2
REVIEW
Wei Wang, Raju Kandimalla, Hao Huang, Lina Zhu, Ying Li, Feng Gao, Ajay Goel, Xin Wang
Colorectal cancer (CRC) is one of the leading causes of cancer-related deaths worldwide. Similar to many other malignancies, CRC is a heterogeneous disease, making it a clinical challenge for optimization of treatment modalities in reducing the morbidity and mortality associated with this disease. A more precise understanding of the biological properties that distinguish patients with colorectal tumors, especially in terms of their clinical features, is a key requirement towards a more robust, targeted-drug design, and implementation of individualized therapies...
May 15, 2018: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29775454/in-vivo-and-in-vitro-studies-of-cry5b-and-nicotinic-acetylcholine-receptor-agonist-anthelmintics-reveal-a-powerful-and-unique-combination-therapy-against-intestinal-nematode-parasites
#3
Yan Hu, Melanie Miller, Bo Zhang, Thanh-Thanh Nguyen, Martin K Nielsen, Raffi V Aroian
BACKGROUND: The soil-transmitted nematodes (STNs) or helminths (hookworms, whipworms, large roundworms) infect the intestines of ~1.5 billion of the poorest peoples and are leading causes of morbidity worldwide. Only one class of anthelmintic or anti-nematode drugs, the benzimidazoles, is currently used in mass drug administrations, which is a dangerous situation. New anti-nematode drugs are urgently needed. Bacillus thuringiensis crystal protein Cry5B is a powerful, promising new candidate...
May 18, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29775284/multifunctional-tumor-targeting-cathepsin-b-sensitive-gemcitabine-prodrug-covalently-targets-albumin-in-situ-and-improves-cancer-therapy
#4
Huicong Zhang, Zhisu Sun, Kuanglei Wang, Na Li, Hongxiang Chen, Xiao Tan, Lingxiao Li, Zhonggui He, Jin Sun
We report a new type of amide bond-bearing cathepsin B-sensitive gemcitabine (GEM) prodrugs, capable of in situ covalently targeting circulating albumin and then making a hitchhike to the tumor. Specially, less plasma-enzyme deactivation, long plasma half-life, independence on nucleoside transporters, outstanding tumor targeting and site-specific drug release are achieved and such these multifunctional advantages contribute to the dramatically increased in vivo antitumor efficacy.
May 18, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29774608/virion-like-membrane-breaking-nanoparticles-with-tumor-activated-cell-and-tissue-dual-penetration-conquer-impermeable-cancer
#5
Xiao Zhang, Xianghui Xu, Yachao Li, Cheng Hu, Zhijun Zhang, Zhongwei Gu
Poor drug penetration into tumor cells and tissues is a worldwide difficulty in cancer therapy. A strategy is developed for virion-like membrane-breaking nanoparticles (MBNs) to smoothly accomplish tumor-activated cell-and-tissue dual-penetration for surmounting impermeable drug-resistant cancer. Tailor-made dendritic arginine-rich peptide prodrugs are designed to mimic viral protein transduction domains and globular protein architectures. Attractively, these protein mimics self-assemble into virion-like nanoparticles in aqueous solution, having highly ordered secondary structure...
May 17, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29774607/impact-of-current-and-scaled-up-levels-of-hepatitis-c-prevention-and-treatment-interventions-for-people-who-inject-drugs-in-three-uk-settings-what-is-required-to-achieve-the-who-s-hcv-elimination-targets
#6
Zoe Ward, Lucy Platt, Sedona Sweeney, Vivian D Hope, Lisa Maher, Sharon Hutchinson, Norah Palmateer, Josie Smith, Noel Craine, Avril Taylor, Natasha Martin, Rachel Ayres, John Dillon, Matthew Hickman, Peter Vickerman
AIMS: To estimate the impact of existing high-coverage needle and syringe provision (HCNSP, defined as obtaining more than one sterile needle and syringe per injection reported) and opioid substitution therapy (OST) on hepatitis C virus (HCV) transmission among people who inject drugs (PWID) in three UK settings and to determine required scale-up of interventions, including HCV treatment, needed to reach the World Health Organization (WHO) target of reducing HCV incidence by 90% by 2030...
May 17, 2018: Addiction
https://www.readbyqxmd.com/read/29774177/the-new-direct-antiviral-agents-and-hepatitis-c-in-thoracic-transplantation-impact-on-donors-and-recipients
#7
REVIEW
Robert L Gottlieb, Shelley A Hall
Purpose of Review: The landscape of abdominal organ transplantation has been altered by the emergence of curative direct-acting antiviral agents for hepatitis C. Expansion of the thoracic donor pool to include the hearts and the lungs from hepatitis C-positive donors holds promise to increase available donor organs. Recent Findings: Case reports have documented separate lung and heart transplant patients who acquired, and then were cured of, donor-derived hepatitis C using these newer, more effective therapies...
2018: Current Transplantation Reports
https://www.readbyqxmd.com/read/29774078/targeting-intracellular-mmps-efficiently-inhibits-tumor-metastasis-and-angiogenesis
#8
Yaqi Lv, Xiangmei Zhao, Lidan Zhu, Sijia Li, Qingqing Xiao, Wei He, Lifang Yin
Treatment for metastatic cancer is a great challenge throughout the world. Commonly, directed inhibition of extracellular matrix metalloproteinases (MMPs) secreted by cancer cells can reduce metastasis. Here, a novel nanoplatform (HPMC NPs) assembled from hyaluronic acid (HA)-paclitaxel (PTX) prodrug and marimastat (MATT)/β-casein (CN) complexes was established to cure a 4T1 metastatic cancer model via targeting CD44 and intracellular, rather than extracellular, MMPs. Methods: HPMC NPs were prepared by assembling the complexes and prodrug under ultrasonic treatment, which the interaction between them was evaluated by förster resonance energy transfer, circular dichroism and fluorescence spectra...
2018: Theranostics
https://www.readbyqxmd.com/read/29774064/tumour-homing-chimeric-polypeptide-conjugated-polypyrrole-nanoparticles-for-imaging-guided-synergistic-photothermal-and-chemical-therapy-of-cancer
#9
Mengmeng Sun, Jianwen Guo, Hanjun Hao, Tong Tong, Kun Wang, Weiping Gao
Near-infrared (NIR)-absorbing conjugated polymer nanoparticles are interesting for imaging-guided combination therapy, especially for synergistic photothermal therapy and chemotherapy; however, most of them target tumours passively through the enhanced permeability and retention (EPR) effect, leading to low utilization efficiency. To address this problem, we report an active tumour-targeting strategy of tumour-homing chimeric polypeptide-conjugated NIR-absorbing conjugated-polymer nanoparticles as a new class of drug nanocarriers for imaging-guided combination therapy of cancer...
2018: Theranostics
https://www.readbyqxmd.com/read/29774062/-in-vivo-imaging-biomarkers-of-neuroinflammation-in-the-development-and-assessment-of-stroke-therapies-towards-clinical-translation
#10
REVIEW
Bastian Zinnhardt, Maximilian Wiesmann, Lisa Honold, Cristina Barca, Michael Schäfers, Amanda J Kiliaan, Andreas H Jacobs
Modulation of the inflammatory microenvironment after stroke opens a new avenue for the development of novel neurorestorative therapies in stroke. Understanding the spatio-temporal profile of (neuro-)inflammatory imaging biomarkers in detail thereby represents a crucial factor in the development and application of immunomodulatory therapies. The early integration of quantitative molecular imaging biomarkers in stroke drug development may provide key information about (i) early diagnosis and follow-up, (ii) spatio-temporal drug-target engagement (pharmacodynamic biomarker), (iii) differentiation of responders and non-responders in the patient cohort (inclusion/exclusion criteria; predictive biomarkers), and (iv) the mechanism of action...
2018: Theranostics
https://www.readbyqxmd.com/read/29774057/ocrelizumab-a-new-milestone-in-multiple-sclerosis-therapy
#11
REVIEW
Patricia Mulero, Luciana Midaglia, Xavier Montalban
B cells play a central role in the pathogenesis of multiple sclerosis (MS): they are involved in the activation of pro-inflammatory T cells, secretion of pro-inflammatory cytokines and production of autoantibodies directed against myelin. Hence, the use of B cell-depleting monoclonal antibodies as therapy for autoimmune diseases, including MS, has increased in recent years. Previous results with rituximab, the first therapeutic B cell-depleting chimeric monoclonal antibody that showed efficacy in MS clinical trials, encouraged researchers to evaluate the efficacy of a humanized anti-CD20 antibody, ocrelizumab, in MS...
2018: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/29774051/alosetron-use-in-clinical-practice-significant-improvement-in-irritable-bowel-syndrome-symptoms-evaluated-using-the-us-food-and-drug-administration-composite-endpoint
#12
Brian E Lacy, Jean Paul Nicandro, Emil Chuang, David L Earnest
Background: Alosetron is approved to treat women with severe IBS and diarrhea (IBS-D) who have failed standard therapy. In our study, we aimed to evaluate alosetron efficacy using new US Food and Drug Administration (FDA) endpoints and utilization in clinical practice. Methods: This prospective, open-label, multicenter, observational 12-week study evaluated women with severe IBS-D enrolled in the alosetron prescribing program. The coprimary FDA endpoints were changes from baseline in stool consistency and abdominal pain severity...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29773934/iglarlixi-a-new-once-daily-fixed-ratio-combination-of-basal-insulin-glargine-and-lixisenatide-for-the-management-of-type-2-diabetes
#13
Debbie Hinnen, Jodi Strong
Background: Patients with type 2 diabetes require treatment intensification to maintain glycemic control. Clinician reluctance, patient injection fears, hypoglycemia, weight gain, or other objections may lead to clinical inertia, whereby therapy is not intensified and patients live with uncontrolled hyperglycemia and increased risk for complications. Initiation of injectable therapy with a glucagon-like peptide (GLP)-1 receptor agonist and/or basal insulin is a recommended option for patients with type 2 diabetes inadequately controlled on one or more oral agents...
May 2018: Diabetes Spectrum: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/29773367/reduction-active-polymeric-prodrug-micelles-based-on-%C3%AE-cyclodextrin-polyrotaxanes-for-triggered-drug-release-and-enhanced-cancer-therapy
#14
Shuang Bai, Meili Hou, Xiaoxiao Shi, Jiucun Chen, Xiaoqian Ma, Yong-E Gao, Yajun Wang, Peng Xue, Yuejun Kang, Zhigang Xu
As one of the medical polymers approved by US Food and Drug Administration (FDA), poly(ethylene glycol) has low toxicity, high stability, good biocompatibility, unique physical and chemical properties. Cyclodextrin is an ideal candidate as a drug carrier due to its special structures and characteristics. These two materials were successfully assembled through chemosynthesis in combination with the hydrophilic poly(ethylene glycol) methyl ether methacrylate (OEGMA) chain and hydrophobic polymeric camptothecin (CPT) chain by atom transfer radical polymerization (ATRP)...
August 1, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29773267/update-on-research-and-clinical-translation-on-specific-clinical-areas-from-biology-to-bedside-unpacking-the-mysteries-of-juvenile-idiopathic-arthritis-pathogenesis
#15
REVIEW
Jorg van Loosdregt, Femke van Wijk, Berent Prakken, Bas Vastert
In the past decades, we have gained important insights into the mechanisms of disease and therapy underlying chronic inflammation in juvenile idiopathic arthritis (JIA). These insights have resulted in several game-changing therapeutic modalities for many patients. However, additional progress still has to be made with regard to efficacy, cost reduction, minimization of side effects, and dose-tapering and stop strategies of maintenance drugs. Moreover, to really transform the current therapeutic strategies into personalized medicine, we need validated biomarkers to translate increased insights into clinical practice...
August 2017: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/29773172/seleno-l-methionine-and-l-ascorbic-acid-differentiate-the-biological-activity-of-doxorubicin-and-its-metal-complexes-as-a-new-anticancer-drugs-candidate
#16
Marzena Matejczyk, Grzegorz Świderski, Renata Świsłocka, Stanisław Józef Rosochacki, Włodzimierz Lewandowski
The most important problems of anti-cancer therapy include the toxicity of the drugs applied to healthy cells and the multi-drug cells resistance to chemotherapeutics. One of the most commonly used anticancer drugs is doxorubicin (DOX) used to treat certain leukemias and non-Hodgkin's lymphomas, as well as bladder, breast, stomach, lung, ovarian, thyroid, multiple myeloma and other cancers. Preliminary studies showed that metal complex with DOX improve its cytostatic activity with changes in their molecular structure and distribution of electrons, resulting in a substantial change of its biological activity (including antitumor activity)...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29773016/is-cannabidiol-a-promising-substance-for-new-drug-development-a-review-of-its-potential-therapeutic-applications
#17
Nida Noreen, Faqir Muhammad, Bushra Akhtar, Farooq Azam, Muhammad Irfan Anwar
The pharmacological importance of cannabidiol (CBD) has been in study for several years. CBD is the major nonpsychoactive constituent of plant Cannabis sativa and its administration is associated with reduced side effects. Currently, CBD is undergoing a lot of research which suggests that it has no addictive effects, good safety profile and has exhibited powerful therapeutic potential in several vital areas. It has wide spectrum of action because it acts through endocannabinoid receptors; CB1 and CB2 and it also acts on other receptors, such as GPR18, GPR55, GPR 119, 5HT1A, and TRPV2...
2018: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/29772863/-eearly-clinical-effects-of-percutaneous-endoscopic-focal-cleaning-and-drainage-in-the-treatment-of-single-level-suppurative-spondylitis
#18
Qi Zheng, Yang-Hui Jin, Xiao-Zhang Ying, Yi-Fan Wang, Shi-Yuan Shi, Bo Zhu
OBJECTIVE: To evaluate the clinical value of percutaneous endoscopic focal cleaning and drainage in the treatment of single-level suppurative spondylitis. METHODS: The clinical data of 18 patients with single-level suppurative spondylitis treated by percutaneous endoscopic focal cleaning and drainage from June 2014 to December 2015 were retrospectively analyzed. There were 11 males and 7 females, aged from 46 to 75 years old with an average of (58.89±9.46) years...
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29772748/drug-delivery-strategies-for-antivirals-against-hepatitis-b-virus
#19
REVIEW
Latavia Singh, Sunaina Indermun, Mershen Govender, Pradeep Kumar, Lisa C du Toit, Yahya E Choonara, Viness Pillay
Chronic hepatitis B virus (HBV) infection poses a significant health challenge due to associated morbidity and mortality from cirrhosis and hepatocellular cancer that eventually results in the breakdown of liver functionality. Nanotechnology has the potential to play a pivotal role in reducing viral load levels and drug-resistant HBV through drug targeting, thus reducing the rate of evolution of the disease. Apart from tissue targeting, intracellular delivery of a wide range of drugs is necessary to exert a therapeutic action in the affected organelles...
May 17, 2018: Viruses
https://www.readbyqxmd.com/read/29772649/pulmonary-arterial-hypertension-pathophysiology-and-treatment
#20
REVIEW
Norris S H Lan, Benjamin D Massam, Sandeep S Kulkarni, Chim C Lang
Pulmonary arterial hypertension (PAH), the first category of pulmonary hypertension, is a chronic and progressive disorder characterised by angioproliferative vasculopathy in the pulmonary arterioles, leading to endothelial and smooth muscle proliferation and dysfunction, inflammation and thrombosis. These changes increase pulmonary vascular resistance and subsequent pulmonary arterial pressure, causing right ventricular failure which leads to eventual death if untreated. The management of PAH has advanced rapidly in recent years due to improved understanding of the condition's pathophysiology, specifically the nitric oxide, prostacyclin-thromboxane and endothelin-1 pathways...
May 16, 2018: Diseases (Basel)
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