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https://www.readbyqxmd.com/read/27914527/prophylactic-effects-of-alkaloids-from-ba-lotus-seeds-on-l-nna-induced-hypertension-in-mice
#1
Peng Sun, Kai Zhu, Cun Wang, Wei-Wei Liu, De-Guang Peng, Xin Zhao
Alkaloids from Ba lotus seeds (ABLS) are a kind of important functional compounds in lotus seeds. The present study was designed to determine its hypertension prophylactic effects in the L-NNA-induced mouse hypertension model. The mice were treated with ABLS, the serum and tissues levels of NO, MDA, ET-1, VEGF, and CGRP were determined using the experimental kits, the mRNA levels of various genes in the heart muscle and blood vessel tissues were further determined by RT-PCR assay. ABLS could reduce the systolic blood pressure (SBP), mean blood pressure (MBP), and diastolic blood pressure (DBP), compared to that of the model control group...
November 2016: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/27913583/epigenetic-control-of-microsomal-prostaglandin-e-synthase-1-by-hdac-mediated-recruitment-of-p300
#2
Christian Fork, Andrea E Vasconez, Patrick Janetzko, Carlo Angioni, Yannick Schreiber, Nerea Ferreiros, Gerd Geisslinger, Matthias S Leisegang, Dieter Steinhilber, Ralf P Brandes
: Nonsteroidal anti-inflammatory drugs (NSAIDs) are the most widely used medicine to treat pain, fever, inflammation and to inhibit platelet function. Understanding the expression regulation of enzymes of the prostanoid pathway is of great medical relevance. Histone acetylation crucially controls gene expression. We set out to identify the impact of histone deacetylases (HDACs) on the generation of prostanoids and examine the consequences on vascular function. Inhibition of HDACs (HDACi) with the pan HDAC inhibitor SAHA attenuated prostaglandin E2 (PGE2) generation in the murine vasculature and in human vascular smooth muscle cells...
December 2, 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27910161/mir-29a-regulates-vascular-neointimal-hyperplasia-by-targeting-yy1
#3
Yu Zhang, Yong Hui Li, Chao Liu, Chan-Juan Nie, Xin-Hua Zhang, Cui-Ying Zheng, Wen Jiang, Wei-Na Yin, Ming-Hui Ren, Yu-Xin Jin, Shu-Feng Liu, Bin Zheng, Jin-Kun Wen
OBJECTIVES: The formation of vascular neointima is mainly related to impairment of the vascular endothelial barrier and abnormal proliferation and migration of smooth muscle cells. The objective of this study was to investigate whether miR-29a exerts any promoting effect on the vascular neointimal hyperplasia and if so, its mechanism. MATERIALS AND METHODS: RT-qPCR was performed to determine expression of miR-29a in vascular smooth muscle cells (VSMC) and vascular neointimal hyperplasia...
December 2, 2016: Cell Proliferation
https://www.readbyqxmd.com/read/27909701/immunological-quality-and-performance-of-tumor-vessel-targeting-car-t-cells-prepared-by-mrna-ep-for-clinical-research
#4
Kanako Inoo, Ryo Inagaki, Kento Fujiwara, Shigemi Sasawatari, Takashi Kamigaki, Shinsaku Nakagawa, Naoki Okada
We previously reported that tumor vessel-redirected T cells, which were genetically engineered with chimeric antigen receptor (CAR) specific for vascular endothelial growth factor receptor 2 (VEGFR2), demonstrated significant antitumor effects in various murine solid tumor models. In the present study, we prepared anti-VEGFR2 CAR-T cells by CAR-coding mRNA electroporation (mRNA-EP) and analyzed their immunological characteristics and functions for use in clinical research. The expression of anti-VEGFR2 CAR on murine and human T cells was detected with approximately 100% efficiency for a few days, after peaking 6-12 hours after mRNA-EP...
2016: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/27904679/tongxinluo-inhibits-neointimal-formation-by-regulating-the-expression-and-post-translational-modification-of-klf5-in-macrophages
#5
Wen Jiang, Bin Zheng, Xin-Hua Zhang, Ling-Yan Yue, Chan Liu, Dong Ma, Zhan Yang, Jin-Kun Wen
Neointimal hyperplasia is a common pathological characteristic in diverse vascular remodeling diseases. The inflammatory response that follows vascular injury plays an important role in intimal hyperplasia. Tongxinluo (TXL), a traditional Chinese medicine, can ameliorate neointimal formation via suppressing vascular inflammatory response induced by vascular injury. However, the mechanisms underlying anti-inflammatory and anti-intimal hyperplasia of TXL are still not fully understood. The aim of present study was to examine whether the expression and post-translational modification of KLF5 were involved in the vasoprotective effects of TXL...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27903591/platelet-rich-plasma-powder-a-new-preparation-method-for-the-standardization-of-growth-factor-concentrations
#6
Matthias Kieb, Frank Sander, Cornelia Prinz, Stefanie Adam, Anett Mau-Möller, Rainer Bader, Kirsten Peters, Thomas Tischer
BACKGROUND: Platelet-rich plasma (PRP) is widely used in sports medicine. Available PRP preparations differ in white blood cell, platelet, and growth factor concentrations, making standardized research and clinical application challenging. PURPOSE: To characterize a newly standardized procedure for pooled PRP that provides defined growth factor concentrations. STUDY DESIGN: Controlled laboratory study. METHODS: A standardized growth factor preparation (lyophilized PRP powder) was prepared using 12 pooled platelet concentrates (PCs) derived from different donors via apheresis...
November 30, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27899705/current-state-of-vascular-medicine-training-and-beyond
#7
Robert T Eberhardt
No abstract text is available yet for this article.
December 2016: Vascular Medicine
https://www.readbyqxmd.com/read/27898010/applications-of-alginate-based-bioinks-in-3d-bioprinting
#8
REVIEW
Eneko Axpe, Michelle L Oyen
Three-dimensional (3D) bioprinting is on the cusp of permitting the direct fabrication of artificial living tissue. Multicellular building blocks (bioinks) are dispensed layer by layer and scaled for the target construct. However, only a few materials are able to fulfill the considerable requirements for suitable bioink formulation, a critical component of efficient 3D bioprinting. Alginate, a naturally occurring polysaccharide, is clearly the most commonly employed material in current bioinks. Here, we discuss the benefits and disadvantages of the use of alginate in 3D bioprinting by summarizing the most recent studies that used alginate for printing vascular tissue, bone and cartilage...
November 25, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27897111/aggressive-antioxidant-reductive-stress-impairs-brain-endothelial-cell-angiogenesis-and-blood-brain-barrier-function
#9
Shireen Mentor, David Fisher
Oxidative stress in the brain microvasculature is a common characteristic in models of cerebrovascular disease. Considering the effects of reactive oxygen species activity in vascular-derived insults, it is naturally prudent to hypothesize those interventions inhibiting reactive oxygen species activity, such as antioxidant supplementation, may be beneficial for cerebrovascular disease. Hyper doses of antioxidant supplements, and foods with high antioxidant concentrations, are commonly used as an ongoing remedial and 'over-the-counter' treatments for most seasonal ailments...
November 29, 2016: Current Neurovascular Research
https://www.readbyqxmd.com/read/27896581/secondary-metabolites-of-endophytic-xylaria-species-with-potential-applications-in-medicine-and-agriculture
#10
REVIEW
Martha Lydia Macías-Rubalcava, Rosa Elvira Sánchez-Fernández
Fungal endophytes are important sources of bioactive secondary metabolites. The genus Xylaria Hill (ex Schrank, 1789, Xylariaceae) comprises various endophytic species associated to both vascular and non vascular plants. The secondary metabolites produced by Xylaria species include a variety of volatile and non-volatile compounds. Examples of the former are sesquiterpenoids, esters, and alcohols, among others; and of the latter we find terpenoids, cytochalasins, mellein, alkaloids, polyketides, and aromatic compounds...
January 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/27893829/sansevieria-roxburghiana-schult-schult-f-family-asparagaceae-attenuates-type-2-diabetes-and-its-associated-cardiomyopathy
#11
Niloy Bhattacharjee, Ritu Khanra, Tarun K Dua, Susmita Das, Bratati De, M Zia-Ul-Haq, Vincenzo De Feo, Saikat Dewanjee
BACKGROUND: Sansevieria roxburghiana Schult. & Schult. F. (Family: Asparagaceae) rhizome has been claimed to possess antidiabetic activity in the ethno-medicinal literature in India. Therefore, present experiments were carried out to explore the protective role of edible (aqueous) extract of S. roxburghiana rhizome (SR) against experimentally induced type 2 diabetes mellitus (T2DM) and its associated cardiomyopathy in Wistar rats. METHODS: SR was chemically characterized by GC-MS analysis...
2016: PloS One
https://www.readbyqxmd.com/read/27890230/soft-tissue-engineering
#12
REVIEW
Roderick Youngdo Kim, Sam Seoho Bae, Stephen Elliott Feinberg
There is a recognized need to reconstruct and restore complex craniomaxillofacial soft tissues. The objective of this article is to focus on the role that tissue engineering/regenerative medicine can play in addressing various barriers (vascularity, tissue bulk, volitional control, and esthetics) and impediments (timing, regional applicability/dissemination, and regulation by the US Food and Drug Administration) to optimal tissue reconstruction of complex soft tissue structures. We will use the lips as an example to illustrate our points...
February 2017: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/27888545/anti-angiogenic-therapy-affects-the-relationship-between-tumor-vascular-structure-and-function-a-correlation-study-between-micro-computed-tomography-angiography-and-dynamic-contrast-enhanced-mri
#13
Eugene Kim, Jana Kim, Gunhild Mari Maelandsmo, Berit Johansen, Siver Andreas Moestue
PURPOSE: To compare the effects of two anti-angiogenic drugs, bevacizumab and a cytosolic phospholipase A2-α inhibitor (AVX235), on the relationship between vascular structure and dynamic contrast enhanced (DCE)-MRI measurements in a patient-derived breast cancer xenograft model. METHODS: Mice bearing MAS98.12 tumors were randomized into three groups: bevacizumab-treated (n = 9), AVX235-treated (n = 9), and control (n = 8). DCE-MRI was performed pre- and post-treatment...
November 25, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27882038/alzheimer-and-vascular-dementia-in-the-elderly-patients
#14
Naresh Kumar Seetlani, Narindar Kumar, Khalid Imran, Asif Ali, Nadia Shams, Taha Sheikh
OBJECTIVES: To find out the frequency of Alzheimer's and Vascular dementia in the elderly patients. METHODS: This cross sectional descriptive study was conducted in Department of Medicine, Ziauddin Hospital Karachi from 1(st) October 2013 to 31(st) March 2014. Patients with symptoms of dementia for more than 6 months duration, and Mini Mental State Examination score <24 were included in this study. Patients who fell in category of dementia were assessed for duration of symptoms...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27881067/emerging-nanocarriers-based-approaches-to-diagnose-and-reduce-vascular-inflammation-in-atherosclerosis
#15
Manuela Calin, Ileana Manduteanu
Exploitation of nanotechnology advances in the cardiovascular medicine has led to new approaches for diagnosis and therapy of vascular inflammation associated to cardiovascular diseases. Innovative nanoparticles targeted to the main players in the arterial wall inflammation in atherosclerosis (i.e. inflammatory molecules, immune or resident cells) have been already developed to diagnose and/or reduce excessive vascular inflammation and is eagerly awaited that promising preclinical and early clinical results to boost the approval of the first nanocarrier in this field...
November 22, 2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27881059/natural-products-with-antiplatelet-action
#16
Gabriela Elisa Hirsch, Paulo Ricardo Nazário Viecili, Amanda Spring de Almeida, Sabrina Nascimento, Fernando Garcez Porto, Juliana Otero, Aline Schmidt, Brenda da Silva, Mariana Migliorini Parisi, Jonatas Zeni Klafke
BACKGROUND: Complex hemostatic mechanisms are involved in the pathophysiology of various diseases, including cardiovascular diseases. Among them, dysregulation of platelet activity is linked to the progression of atherosclerosis and mainly involves platelet aggregation and a decrease in blood flow in the vascular endothelium. The major platelet activation pathways mediated by agonists involve the arachidonic acid pathway, adenosine diphosphate pathway, serotonin pathway, nitric oxide pathway, and action of free radicals on molecules involved in platelet aggregation...
November 23, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27878794/varicosities-of-the-lower-extremity-new-approaches-cosmetic-or-therapeutic-needs
#17
Luca Spinedi, Heiko Uthoff, Sasan Partovi, Daniel Staub
Varicose veins of the lower extremity (VVLE) are a frequently encountered vascular disorder in the general population. The general view that VVLE are a non-serious disease with primarily aesthetic impact is a common misconception, as the disease can have a significant negative impact on generic and disease-specific quality of life. Further, VVLE may be associated with potentially threatening clinical conditions, such as chronic venous ulceration, venous thromboembolism and haemorrhage from ruptured varicose veins...
2016: Swiss Medical Weekly
https://www.readbyqxmd.com/read/27878663/prevention-and-treatment-of-venous-thromboembolism-in-patients-with-solid-brain-neoplasms-results-of-a-survey-among-italian-physicians
#18
Nicola Mumoli, Stefano Barco, Marco Cei, Matteo Giorgi-Pierfranceschi, Mauro Campanini, Andrea Fontanella, Walter Ageno, Francesco Dentali
The decision concerning the introduction of primary and secondary prophylaxis of venous thromboembolism (VTE) in patients with solid brain neoplasms and brain metastases is often challenging due to the concomitant increased risk of intracranial hemorrhage and to limited evidence from available literature. A standardized questionnaire composed of nine multiple-choice questions regarding primary VTE prevention in non-surgical patients during high-risk conditions and VTE secondary prevention in patients with a solid brain neoplasm or cerebral metastases was sent via electronic mail to all the members (n = 2420) of the Italian Federation of the Internal Medicine Hospital Executives' Associations (FADOI) in June 2015...
November 23, 2016: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/27876128/can-subphysiological-cold-application-be-utilized-in-excessive-dermal-scarring-prophylaxis-and-treatment-a-promising-hypothetical-perspective
#19
Çağlayan Yağmur, Murat Sinan Engin, Rei Ogawa
Excessive dermal scarring (EDS) is a wound healing complication, characterized by protruded erythematous and inelastic 'proliferative scar tissue' which is associated with increased and prolonged inflammation process within the wound microenvironment. As inflammation plays a key role in this process, methods to contain or attenuate excessive inflammation hold promise in treatment and prophylaxis of EDS conditions. While cold exposure is notorious as the causative agent a wide array of morbidities and fatalities, its tempered use is exploited in medicine for ablative and therapeutic applications...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27875972/the-role-of-chinese-herbal-medicines-and-bioactive-ingredients-targeting-myocardial-kca-and-katp-channels-in-cardiovascular-diseases
#20
Yan Dong, Pengqian Wang, Xue Feng, Bing Li, Zhong Wang, Haixia Li
Cardiovascular disorders are the most common diseases all over the world, which have limitations in the current treatment strategies. As two subtypes of potassium channel, KCa and KATP ion channels are playing important roles in the occurrence and development of cardiovascular diseases. KCa by activating the signal pathway of c-Src/PI3-kinase/Akt-dependent or eNOS-NO-cGMP affects the function of vascular endothelial cell, while KATP acting as medium combines the cell electrical activity and energy metabolism...
November 22, 2016: Current Pharmaceutical Design
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