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https://www.readbyqxmd.com/read/28340378/current-fda-approved-treatments-for-non-small-cell-lung-cancer-and-potential-biomarkers-for-its-detection
#1
REVIEW
Karla A Ruiz-Ceja, Yolanda I Chirino
BACKGROUND: Lung cancer is the leading worldwide cancer with almost 1.5 million deaths every year. Some drugs for lung cancer treatment have been available on the market for decades, but novel drugs have emerged promising better outcomes, especially for Non-Small Cell Lung Cancer (NSCLC), which represents 75% of lung cancer cases. However, how much do drugs have evolved for NSCLC treatment? Are they sharing the same mechanism of action? AIM: In this review we analyzed how the approved drugs by Federal Drug Agency for NSCLC have advanced in the last four decades identifying shared mechanism of action of medicines against NSCLC treatment and some of the potential biomarkers for early detection...
March 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28339553/de-and-recellularization-of-the-pig-uterus-a-bioengineering-pilot-study%C3%A2
#2
Hannes Campo, Pedro M Baptista, Nuria López-Pérez, Amparo Faus, Irene Cervelló, Carlos Simón
Absolute uterine factor infertility, or the absence of a functional uterus, has a prevalence of 3%-5% in the general population. Despite the great strides being made in reproductive medicine, patients diagnosed with absolute uterine factor infertility remain untreatable. The only available solution has been gestational surrogacy, but recently the Brannström group presented a viable alternative by reporting the first successful live birth after uterus transplantation. Similar to other transplantations, this approach has inherent limitations such as the paucity of donor organs and the need for long-term immunosuppression...
December 27, 2016: Biology of Reproduction
https://www.readbyqxmd.com/read/28337055/diabetic-retinopathy-knowledge-awareness-and-practices-of-physicians-in-primary-care-centers-in-riyadh-saudi-arabia
#3
Raghad Al Rasheed, Fadwa Al Adel
PURPOSE: Diabetic retinopathy (DR) is a serious cause of irreversible blindness and is the most common complication of diabetes. Annual fundus examination for diabetics aids in the prevention of blindness and allows intervening at a timely manner. As primary care physicians (PCP) are the main providers for diabetic care in Saudi Arabia, we aim to evaluate the current knowledge and awareness, and to assess practices among PCP regarding DR. METHODS: We conducted a cross-sectional study covering 46 randomly selected primary-care centers in Riyadh during October 2015...
January 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28334937/dynamically-and-epigenetically-coordinated-gata-ets-sox-transcription-factor-expression-is-indispensable-for-endothelial-cell-differentiation
#4
Yasuharu Kanki, Ryo Nakaki, Teppei Shimamura, Taichi Matsunaga, Kohei Yamamizu, Shiori Katayama, Jun-Ichi Suehiro, Tsuyoshi Osawa, Hiroyuki Aburatani, Tatsuhiko Kodama, Youichiro Wada, Jun K Yamashita, Takashi Minami
Although studies of the differentiation from mouse embryonic stem (ES) cells to vascular endothelial cells (ECs) provide an excellent model for investigating the molecular mechanisms underlying vascular development, temporal dynamics of gene expression and chromatin modifications have not been well studied. Herein, using transcriptomic and epigenomic analyses based on H3K4me3 and H3K27me3 modifications at a genome-wide scale, we analysed the EC differentiation steps from ES cells and crucial epigenetic modifications unique to ECs...
March 17, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28330723/standardization-and-anti-inflammatory-activity-of-aqueous-extract-of-psittacanthus-plagiophyllus-eichl-loranthaceae
#5
Adrielle Nara Serra Bezerra, Laís Tatiele Massing, Ricardo Bezerra de Oliveira, Rosa Helena Veras Mourão
ETHNOPHARMACOLOGICAL IMPORTANCE: The hemiparasitic species Psittacanthus plagiophyllus Eichl. (Loranthaceae), also known as erva de passarinho, is used in folk medicine in the Santarém region in the state of Pará, Brazil, to treat gastritis and a variety of inflammatory disorders. In view of the lack of pharmacological studies on this species in the literature and the fact that it is used constantly by the local population, this study sought to standardize the extract of the leaves of P...
March 19, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28327067/common-carotid-artery-ligation-to-minimize-blood-loss-during-oral-and-maxillofacial-surgery
#6
Alice E Goodman, Andrew R Goodman
Oral and maxillofacial surgery in veterinary medicine carries the risk of severe hemorrhage due to the great vascular supply of the head. Temporary hemostasis can be achieved with the application of pressure or hemostatic agents, but more definitive treatment may be needed to ensure bleeding will not resume once the patient is awake and normotensive. (1 , 2) Actively bleeding vessels encountered during maxillofacial surgery may be inaccessible, and vessels may recoil into bone, sometimes preventing definitive ligation...
September 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28324873/endobronchial-ultrasound-elastography-for-evaluation-of-intrathoracic-lymph-nodes-a-pilot-study
#7
Jiayuan Sun, Xiaoxuan Zheng, Xiaowei Mao, Lei Wang, Hongkai Xiong, Felix J F Herth, Baohui Han
BACKGROUND: Endobronchial ultrasound (EBUS) elastography is a new imaging procedure for describing the elasticity of intrathoracic lesions and providing important additional diagnostic information. OBJECTIVES: The aim of this study was to utilize the feasibility of qualitative and quantitative methods to evaluate the ability of EBUS elastography to differentiate between benign and malignant mediastinal and hilar lymph nodes (LNs) during EBUS-guided transbronchial needle aspiration (EBUS-TBNA)...
March 22, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28322971/effects-and-mechanisms-of-compound-chinese-medicine-and-major-ingredients-on-microcirculatory-dysfunction-and-organ-injury-induced-by-ischemia-reperfusion
#8
REVIEW
Jing-Yan Han, Quan Li, Zhi-Zhong Ma, Jing-Yu Fan
Microcirculation dysfunction and organ injury after ischemia and reperfusion (I/R) result from a complex pathologic process consisting of multiple links, with metabolism impairment in the ischemia phase and oxidative stress in the reperfusion phase as initiators, and any treatment targeting a single link is insufficient to cope with this. Compound Chinese medicine (CCM) has been applied in clinics in China and some Asian nations for more than 2000 years. Studies over the past decades revealed the protective and therapeutic effect of CCMs and major ingredients on I/R-induced microcirculatory dysfunction and tissue injury in the heart, brain, liver, intestine, and so on...
March 16, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28319199/a-computational-analysis-of-in-vivo-vegfr-activation-by-multiple-co-expressed-ligands
#9
Lindsay E Clegg, Feilim Mac Gabhann
The splice isoforms of vascular endothelial growth A (VEGF) each have different affinities for the extracellular matrix (ECM) and the coreceptor NRP1, which leads to distinct vascular phenotypes in model systems expressing only a single VEGF isoform. ECM-immobilized VEGF can bind to and activate VEGF receptor 2 (VEGFR2) directly, with a different pattern of site-specific phosphorylation than diffusible VEGF. To date, the way in which ECM binding alters the distribution of isoforms of VEGF and of the related placental growth factor (PlGF) in the body and resulting angiogenic signaling is not well-understood...
March 20, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28318376/advances-in-on-chip-vascularization
#10
Kristina Haase, Roger D Kamm
Microfluidics is invaluable for studying microvasculature, development of organ-on-chip models and engineering microtissues. Microfluidic design can cleverly control geometry, biochemical gradients and mechanical stimuli, such as shear and interstitial flow, to more closely mimic in vivo conditions. In vitro vascular networks are generated by two distinct approaches: via endothelial-lined patterned channels, or by self-assembled networks. Each system has its own benefits and is amenable to the study of angiogenesis, vasculogenesis and cancer metastasis...
March 20, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/28318007/myocardial-infarction-in-a-neonate-lessons-for-neonatal-and-internal-medicine
#11
Werner Streif
Due to the lack of evidence-based guidelines, management strategies for neonatal MI should be individualized and administered largely at the discretion of responsible treating teams. Supportive care with a focus on preserving adequate circulation and antithrombotic therapy with a view to restoring vascular patency are the mainstays of treatment. Thrombolytic therapy of neonatal MI includes a chance to completely restore myocardial function. Understanding the resilience of the neonatal heart and mechanism of cardiac cell repair in neonates may spark novel treatment strategies for severe MI in the large number of affected individuals in an aging population...
March 20, 2017: Hämostaseologie
https://www.readbyqxmd.com/read/28304124/distinguishing-the-chinese-materia-medica-tiepishihu-from-similar-dendrobium-species-of-the-same-genus-using-histological-and-microscopic-method
#12
Kun-Zi Yu, Hua Yan, Hai-Chuan Tai, Nan-Ping Zhang, Xian-Long Cheng, Zeng-Xi Guo, Shuang-Cheng Ma, Feng Wei
The Chinese Materia Medica, Tiepishihu, used as a tonic for over one thousand years, is a well-known precious medicine in China. According to the Chinese Pharmacopoeia, its source is the species Dendrobium officinale Kimura et Migo, which is distinguished from other species in Dendrobium genus. However, these species from the same genus are similar with Tiepishihu and caused confusion in the market. To find a quick and simple method to distinguish Tiepishihu from other similar species, histologic and microscopic methods were combined together to investigate the transverse section of stem of Tiepishihu and other similar species...
March 17, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28303161/a-systematic-review-of-intervention-studies-examining-nutritional-and-herbal-therapies-for-mild-cognitive-impairment-and-dementia-using-neuroimaging-methods-study-characteristics-and-intervention-efficacy
#13
REVIEW
Genevieve Z Steiner, Danielle C Mathersul, Freya MacMillan, David A Camfield, Nerida L Klupp, Sai W Seto, Yong Huang, Mark I Hohenberg, Dennis H Chang
Neuroimaging facilitates the assessment of complementary medicines (CMs) by providing a noninvasive insight into their mechanisms of action in the human brain. This is important for identifying the potential treatment options for target disease cohorts with complex pathophysiologies. The aim of this systematic review was to evaluate study characteristics, intervention efficacy, and the structural and functional neuroimaging methods used in research assessing nutritional and herbal medicines for mild cognitive impairment (MCI) and dementia...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28300723/nuclear-medicine-for-photodynamic-therapy-in-cancer-planning-monitoring-and-nuclear-pdt
#14
REVIEW
Dris Kharroubi Lakouas, Damien Huglo, Serge Mordon, Maximilien Vermandel
Photodynamic therapy (PDT) is a modality with promising results for the treatment of various cancers. PDT is increasingly included in the standard of care for different pathologies. This therapy relies on the effects of light delivered to photosensitized cells. At different stages of delivery, PDT requires imaging to plan, evaluate and monitor treatment. The contribution of molecular imaging in this context is important and continues to increase. In this article, we review the contribution of nuclear medicine imaging in oncology to PDT for planning and therapeutic monitoring purposes...
March 11, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28299634/prevalence-and-determinants-of-the-use-of-lipid-lowering-agents-in-a-population-of-older-hospitalized-patients-the-findings-from-the-reposi-registro-politerapie-societ%C3%A3-italiana-di-medicina-interna-study
#15
Marco Bertolotti, Carlotta Franchi, Marco B L Rocchi, Andrea Miceli, M Vittoria Libbra, Alessandro Nobili, Giulia Lancellotti, Lucia Carulli, Chiara Mussi
BACKGROUND: Older patients are prone to multimorbidity and polypharmacy, with an inherent risk of adverse events and drug interactions. To the best of our knowledge, available information on the appropriateness of lipid-lowering treatment is extremely limited. AIM: The aim of the present study was to quantify and characterize lipid-lowering drug use in a population of complex in-hospital older patients. METHODS: We analyzed data from 87 units of internal medicine or geriatric medicine in the REPOSI (Registro Politerapie della Società Italiana di Medicina Interna) study, with reference to the 2010 and 2012 patient cohorts...
April 2017: Drugs & Aging
https://www.readbyqxmd.com/read/28297585/electromechanical-conditioning-of-adult-progenitor-cells-improves-recovery-of-cardiac-function-after-myocardial-infarction
#16
Aida Llucià-Valldeperas, Carolina Soler-Botija, Carolina Gálvez-Montón, Santiago Roura, Cristina Prat-Vidal, Isaac Perea-Gil, Benjamin Sanchez, Ramon Bragos, Gordana Vunjak-Novakovic, Antoni Bayes-Genis
Cardiac cells are subjected to mechanical and electrical forces, which regulate gene expression and cellular function. Therefore, in vitro electromechanical stimuli could benefit further integration of therapeutic cells into the myocardium. Our goals were (a) to study the viability of a tissue-engineered construct with cardiac adipose tissue-derived progenitor cells (cardiac ATDPCs) and (b) to examine the effect of electromechanically stimulated cardiac ATDPCs within a myocardial infarction (MI) model in mice for the first time...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28297582/human-stem-cell-derived-endothelial-hepatic-platform-for-efficacy-testing-of-vascular-protective-metabolites-from-nutraceuticals
#17
Balakrishnan Chakrapani Narmada, Yeek Teck Goh, Huan Li, Sanjay Sinha, Hanry Yu, Christine Cheung
Atherosclerosis underlies many cardiovascular and cerebrovascular diseases. Nutraceuticals are emerging as a therapeutic moiety for restoring vascular health. Unlike small-molecule drugs, the complexity of ingredients in nutraceuticals often confounds evaluation of their efficacy in preclinical evaluation. It is recognized that the liver is a vital organ in processing complex compounds into bioactive metabolites. In this work, we developed a coculture system of human pluripotent stem cell-derived endothelial cells (hPSC-ECs) and human pluripotent stem cell-derived hepatocytes (hPSC-HEPs) for predicting vascular-protective effects of nutraceuticals...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28297579/endothelial-cells-promote-expansion-of-long-term-engrafting-marrow-hematopoietic-stem-and-progenitor-cells-in-primates
#18
Jennifer L Gori, Jason M Butler, Balvir Kunar, Michael G Poulos, Michael Ginsberg, Daniel J Nolan, Zachary K Norgaard, Jennifer E Adair, Shahin Rafii, Hans-Peter Kiem
Successful expansion of bone marrow (BM) hematopoietic stem and progenitor cells (HSPCs) would benefit many HSPC transplantation and gene therapy/editing applications. However, current expansion technologies have been limited by a loss of multipotency and self-renewal properties ex vivo. We hypothesized that an ex vivo vascular niche would provide prohematopoietic signals to expand HSPCs while maintaining multipotency and self-renewal. To test this hypothesis, BM autologous CD34(+) cells were expanded in endothelial cell (EC) coculture and transplanted in nonhuman primates...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28297566/instructive-role-of-the-microenvironment-in-preventing-renal-fibrosis
#19
Kei Matsumoto, Sandhya Xavier, Jun Chen, Yujiro Kida, Mark Lipphardt, Reina Ikeda, Annie Gevertz, Mario Caviris, Antonis K Hatzopoulos, Ivo Kalajzic, James Dutton, Brian B Ratliff, Hong Zhao, Zbygniew Darzynkiewicz, Stefan Rose-John, Michael S Goligorsky
Accumulation of myofibroblasts is a hallmark of renal fibrosis. A significant proportion of myofibroblasts has been reported to originate via endothelial-mesenchymal transition. We initially hypothesized that exposing myofibroblasts to the extract of endothelial progenitor cells (EPCs) could reverse this transition. Indeed, in vitro treatment of transforming growth factor-β1 (TGF-β1)-activated fibroblasts with EPC extract prevented expression of α-smooth muscle actin (α-SMA); however, it did not enhance expression of endothelial markers...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28296342/delivery-of-growth-factor-based-therapeutics-in-vascular-diseases-challenges-and-strategies
#20
REVIEW
He-Lin Xu, Wen-Ze Yu, Cui-Tao Lu, Xiao-Kun Li, Ying-Zheng Zhao
Either cardiovascular or peripheral vascular diseases have become the major cause of morbidity and mortality worldwide. Recently, growth factors therapeutics, whatever administrated in form of exogenous growth factors or their relevant genes have been discovered to be an effective strategy for the prevention and therapy of vascular diseases, because of their promoting angiogenesis. Besides, as an alternative, stem cell-based therapy has been also developed in view of their paracrine-mediated effect or ability of differentiation toward angiogenesis-related cells under assistance of growth factors...
March 10, 2017: Biotechnology Journal
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