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Vascular medicine

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https://www.readbyqxmd.com/read/29164819/decellularized-bovine-cotyledons-may-serve-as-biological-scaffolds-with-preserved-vascular-arrangement
#1
Rodrigo da Silva Nunes Barreto, Patricia Romagnolli, Andrea Maria Mess, Maria Angelica Miglino
Technically produced scaffolds are common to establish transplantable tissues for Regenerative Medicine, but also biological ones that are closer to the natural condition become of interest. Placentas are promising, because they represented available, complete organs with rich extracellular matrix (ECM) and well developed vasculature that easily could build anastomoses to a host´s organ. Only placentas from larger animal models such as the bovine meet the dimensions large enough for most organs, but are not adequately described yet...
November 21, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29164803/preclinical-evaluation-and-optimization-of-a-cell-therapy-using-human-cord-blood-derived-endothelial-colony-forming-cells-for-ischemic-retinopathies
#2
Emma Reid, Jasenka Guduric-Fuchs, Christina L O'Neill, Lynsey-Dawn Allen, Sarah E J Chambers, Alan W Stitt, Reinhold J Medina
Cell therapy using endothelial progenitors holds promise for vascular repair in ischemic retinopathies. Using a well-defined subpopulation of human cord blood-derived endothelial progenitors known as endothelial colony-forming cells (ECFCs), we have evaluated essential requirements for further development of this cell therapy targeting the ischemic retina, including dose response, delivery route, and toxicity. First, to evaluate therapeutic efficacy relating to cell dose, ECFCs were injected into the vitreous of mice with oxygen-induced retinopathy...
November 22, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29164110/it-takes-two-to-tango-coupling-of-angiogenesis-and-osteogenesis-for-bone-regeneration
#3
REVIEW
Andrea Grosso, Maximilian G Burger, Alexander Lunger, Dirk J Schaefer, Andrea Banfi, Nunzia Di Maggio
Bone regeneration is a complex process requiring highly orchestrated interactions between different cells and signals to form new mineralized tissue. Blood vessels serve as a structural template, around which bone development takes place, and also bring together the key elements for bone homeostasis into the osteogenic microenvironment, including minerals, growth factors and osteogenic progenitor cells. Vascular endothelial growth factor (VEGF) is the master regulator of vascular growth and it is required for effective coupling of angiogenesis and osteogenesis during both skeletal development and postnatal bone repair...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/29161397/abdominal-aortic-aneurysm-repair-in-the-united-kingdom-an-exemplar-for-the-role-of-anaesthetists-in-perioperative-medicine
#4
S J Howell
The past two decades have seen an increasing recognition that the delivery of safe surgery with low complication rates and good long-term outcomes is a team endeavour embracing the whole patient care pathway. The key role of the anaesthetist in managing the patient through the surgical process is widely understood and has driven the emergence of perioperative medicine. In parallel with these developments there has been a sea change in the organisation of the care of patients presenting for elective abdominal aortic aneurysm (AAA) repair...
December 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29159905/autologous-mesenchymal-stem-cell-and-islet-cotransplantation-safety-and-efficacy
#5
Hongjun Wang, Charlie Strange, Paul J Nietert, Jingjing Wang, Taylor L Turnbull, Colleen Cloud, Stefanie Owczarski, Betsy Shuford, Tara Duke, Gary Gilkeson, Louis Luttrell, Kathie Hermayer, Jyotika Fernandes, David B Adams, Katherine A Morgan
Islet engraftment after transplantation is impaired by high rates of islet/β cell death caused by cellular stressors and poor graft vascularization. We studied whether cotransplantation of ex vivo expanded autologous bone marrow-derived mesenchymal stem cells (MSCs) with islets is safe and beneficial in chronic pancreatitis patients undergoing total pancreatectomy with islet autotransplantation. MSCs were harvested from the bone marrow of three islet autotransplantation patients and expanded at our current Good Manufacturing Practices (cGMP) facility...
November 21, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29159853/the-use-of-cell-conditioned-medium-for-musculoskeletal-tissue-regeneration
#6
REVIEW
Francesca Veronesi, Veronica Borsari, Maria Sartori, Monia Orciani, Monica Mattioli-Belmonte Cima, Milena Fini
Tissue regenerative medicine combines the use of cells, scaffolds and molecules to repair damaged tissues. Different cell types are employed for musculoskeletal diseases, both differentiated and mesenchymal stromal cells (MSCs). In recent years, the hypothesis that cell-based therapy is guided principally by cell-secreted factors has become increasingly popular. The aim of the present literature review was to evaluate preclinical and clinical studies that used conditioned medium (CM), rich in cell-factors, for musculoskeletal regeneration with a cell-free approach...
November 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29157839/lifestyles-guide-and-glaucoma-i-sports-and-activities
#7
J Moreno-Montañés, A Antón-López, S Duch-Tuesta, P Corsino Fernández-Vila, J García-Feijoó, E Millá-Griñó, F J Muñoz-Negrete, L Pablo-Júlvez, I Rodríguez-Agirretxe, J L Urcelay-Segura, F Ussa-Herrera, M P Villegas-Pérez
PURPOSES: The increase in quality and life expectancy, often leads to many patients asking the glaucoma specialist whether some sports, activities or hobbies would affect their illness. The aim of this article is to establish guidelines for patients, based on the scientific evidence of published papers. METHODS: Review of all published articles on glaucoma and sports or other activities. The papers were classified according to the level of scientific evidence based on the Oxford Centre for Evidence-Based Medicine classification...
November 17, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/29157825/1-6-di-o-caffeoyl-%C3%AE-d-glucopyranoside-a-natural-compound-from-callicarpa-nudiflora-hook-impairs-p2y12-and-thromboxane-a2-receptor-mediated-amplification-of-platelet-activation-and-aggregation
#8
Jianjiang Fu, Xiaocui Zhu, Wei Wang, Hong Lu, Zhoumiao Zhang, Ting Liu, Huanjun Xu, Huizheng Fu, Shuangcheng Ma, Yuehua Luo
BACKGROUND: Platelet activation and subsequent accumulation at sites of vascular injury perform a central role in thrombus formation, which is believed to be the trigger of several cardiovascular diseases, such as atherosclerosis, myocardial infarction and strokes. In this sense, the search for agents that are capable of blocking platelets aggregation has important implications for these diseases. Callicarpa nudiflora (C. nudiflora) Hook is a traditional Chinese medicine herb for eliminating stasis to subdue swelling and hemostasis...
December 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29157819/pro-angiogenic-effects-of-ilexsaponin-a1-on-human-umbilical-vein-endothelial-cells-in-vitro-and-zebrafish-in-vivo
#9
Jingjing Li, Jinming Zhang, Liang Zou, Simon Ming-Yuen Lee, Cui Yang, Sai-Wang Seto, George Pak-Heng Leung
BACKGROUND: Ilexsaponin A1 is the major bioactive ingredient of Ilex pubescens Hook. et Arn. This plant has been conventionally used in Traditional Chinese Medicine for the treatment of cardiovascular diseases including stroke, coronary arterial disease, and peripheral vascular diseases. PURPOSE: To investigate the pro-angiogenic effect of Ilexsaponin A1 and its mechanism of action. STUDY DESIGN: Human umbilical vein endothelial cells (HUVECs) and transgenic zebrafish Tg(fli1:EGFP) were employed as an in vitro and in vivo model respectively...
December 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29155160/%C3%AE-v%C3%AE-3-and-%C3%AE-5%C3%AE-1-integrin-specific-ligands-from-tumor-angiogenesis-inhibitors-to-vascularization-promoters-in-regenerative-medicine
#10
REVIEW
Luís A Rocha, David A Learmonth, Rui A Sousa, António J Salgado
Integrins are cell adhesion receptors predominantly important during normal and tumor angiogenesis. A sequence present on several extracellular matrix proteins composed of Arg-Gly-Asp (RGD) has attracted attention due to its role in cell adhesion mediated by integrins. The development of ligands that can bind to integrins involved in tumor angiogenesis and brake disease progression has resulted in new investigational drug entities reaching the clinical trial phase in humans. The use of integrin-specific ligands can be useful for the vascularization of regenerative medicine constructs, which remains a major limitation for translation into clinical practice...
November 15, 2017: Biotechnology Advances
https://www.readbyqxmd.com/read/29153055/routine-colonoscopy-diabetic-eye-care-mammogram-and-pap-smear-screening-in-vascular-surgery-patients
#11
Young Lee, Afsha Aurshina, Aaron J Lee, Israel M Ackerman, Michael Chait, Daniel Novak, Anil Hingorani, Enrico Ascher, Natalie Marks
Objective An increasing emphasis on preventive medicine has been supported by the recent reforms in United States health care system. Majority of the patients seen in vascular surgery clinics are elderly with more extensive medical comorbidities compared to the general population. Thus, these patients would be expected at higher risk for common malignant pathologies such as colon, breast and cervical cancer, and nonmalignant diseases such as diabetic retinopathy. This study looked at the screening compliance of vascular patients compared to data provided by Centers for Disease Control on the national and state levels...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/29152831/laser-treatment-of-cutaneous-angiokeratomas-a-systematic-review
#12
REVIEW
Jannett Nguyen, Lance W Chapman, Dorota Z Korta, Christopher B Zachary
Angiokeratomas can present therapeutic challenges, especially in cases of extensive lesions, where traditional surgical methods carry high risks of scarring and hemorrhage. Argon, pulsed dye (PDL), neodymium-doped yttrium aluminum garnet (Nd:YAG), copper vapor, potassium titanyl phosphate, carbon dioxide, and erbium-doped yttrium aluminum garnet (Er:YAG) lasers have emerged as alternative options. To review the use and efficacy of lasers in treating angiokeratomas. A PubMed search identified randomized clinical trials, cohort studies, case series, and case reports involving laser treatment of cutaneous angiokeratomas...
November 19, 2017: Dermatologic Therapy
https://www.readbyqxmd.com/read/29152215/ozone-therapy-an-overview-of-pharmacodynamics-current-research-and-clinical-utility
#13
REVIEW
Noel L Smith, Anthony L Wilson, Jason Gandhi, Sohrab Vatsia, Sardar Ali Khan
The use of ozone (O3) gas as a therapy in alternative medicine has attracted skepticism due to its unstable molecular structure. However, copious volumes of research have provided evidence that O3's dynamic resonance structures facilitate physiological interactions useful in treating a myriad of pathologies. Specifically, O3 therapy induces moderate oxidative stress when interacting with lipids. This interaction increases endogenous production of antioxidants, local perfusion, and oxygen delivery, as well as enhances immune responses...
July 2017: Medical Gas Research
https://www.readbyqxmd.com/read/29151003/lung-ultrasound-in-the-critically-ill-luci-a-translational-discipline
#14
Daniel A Lichtenstein, Manu L N G Malbrain
In the early days of ultrasound, it was not a translational discipline. The heart was claimed by cardiologists, with others, such as gynaecologists, urologists and vascular surgeons claiming their part while the rest was given to radiologists. Only recently, ultrasound transgressed and crossed the usual borders between the different disciplines, such as emergency and critical care medicine. The advent of portable machines in the early 1980s, allowed the critical care physician to perform bedside ultrasound, and the development of whole body critical care ultrasound (CCUS) was born...
November 18, 2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/29148253/quantification-of-vascular-damage-in-acute-kidney-injury-with-fluorine-magnetic-resonance-imaging-and-spectroscopy
#15
Jeremy K Moore, Junjie Chen, Hua Pan, Joseph P Gaut, Sanjay Jain, Samuel A Wickline
PURPOSE: To design a fluorine MRI/MR spectroscopy approach to quantify renal vascular damage after ischemia-reperfusion injury, and the therapeutic response to antithrombin nanoparticles (NPs) to protect kidney function. METHODS: A total of 53 rats underwent 45 min of bilateral renal artery occlusion and were treated at reperfusion with either plain perfluorocarbon NPs or NPs functionalized with a direct thrombin inhibitor (PPACK:phenyalanine-proline-arginine-chloromethylketone)...
November 16, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29146480/neuroprotection-by-chotosan-a-kampo-formula-against-glutamate-excitotoxicity-involves-the-inhibition-of-glun2b-but-not-glun2a-containing-nmda-receptor-mediated-responses-in-primary-cultured-cortical-neurons
#16
Sachie Sasaki-Hamada, Azusa Suzuki, Emi Sanai, Kinzo Matsumoto, Jun-Ichiro Oka
Chotosan (CTS), a traditional herbal formula called Kampo medicine, was shown to be effective in the treatment of vascular dementia in a clinical study, and exerted protective effects against transient cerebral ischemia-induced cognitive impairment in mice. In the present study, we investigated the neuroprotective effects of CTS using primary cultured rat cortical neurons. CTS (250-1000 μg/mL) inhibited neuronal death induced by 100 μM glutamate. This glutamate-induced neuronal death was blocked by a GluN2B-, but not GluN2A-containing NMDA receptor antagonist...
November 1, 2017: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/29145994/retinal-vascular-imaging-in-cardiovascular-medicine-new-tools-for-an-old-examination
#17
EDITORIAL
Giuseppe Mulè, Maria Vadalà, Giulio Geraci, Santina Cottone
No abstract text is available yet for this article.
November 7, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29137941/acute-and-sub-acute-oral-toxicity-studies-of-the-aqueous-extract-from-radix-radix-with-cortex-and-cortex-of-psammosilene-tunicoides-in-mice-and-rats
#18
Yi-Chen, Min-Xuan Wu, Jie-Liu, Xiao-Jie Ma, Jin-Li Shi, Sheng-Nan Wang, Zhi-Quan Zheng, Jian-You Guo
ETHNOPHARMACOLOGICAL RELEVANCE: Psammosilene tunicoides is one of the important ingredients of a famous Chinese traditional medicine formulation "Yunnan Baiyao". Also, this plant is commonly used as an anodyne and hemostatic agent in southwest China. Currently, little toxicological information is available on its safety following prolonged use. AIM OF THE STUDY: In this study, we sought to evaluate the toxicity of the three different parts of Psammosilene tunicoides: Psammosilenes Radix (PR), Psammosilenes Radix with Cortex (PRC) and Psammosilenes Cortex (PC) by acute and sub-acute toxicity studies...
November 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29133791/network-pharmacology-exploration-reveals-endothelial-inflammation-as-a-common-mechanism-for-stroke-and-coronary-artery-disease-treatment-of-danhong-injection
#19
Ming Lyu, Chun-Lin Yan, Hai-Xin Liu, Tai-Yi Wang, Xin-Hui Shi, Jin-Ping Liu, John Orgah, Guan-Wei Fan, Ji-Hong Han, Xiao-Ying Wang, Yan Zhu
Although Danhong injection (DHI) is the most widely prescribed Chinese medicine for both stroke and coronary artery disease (CAD), its underlying common molecular mechanisms remain unclear. An integrated network pharmacology and experimental verification approach was used to decipher common pharmacological mechanisms of DHI on stroke and CAD treatment. A compound-target-disease & function-pathway network was constructed and analyzed, indicating that 37 ingredients derived from DH (Salvia miltiorrhiza Bge., Flos Carthami tinctorii and DHI) modulated 68 common targets shared by stroke and CAD...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29133637/the-inhibitory-effect-of-different-concentrations-of-kh902-eye-drops-on-corneal-neovascularization-induced-by-alkali-burn
#20
Yan Wu, Chunyan Xue, Yan Lu, Zhenping Huang
PURPOSE: The aim of this study was to evaluate the inhibitory effect of different concentrations of KH902 eye drops on rabbit corneal neovascularization (CNV) induced by alkali burn. METHODS: Forty-eight adult rabbits were randomized into four groups after alkali burning: Group A (2.5 mg/ml), Group B (5 mg/ml), and Group C (10 mg/ml) by different concentrations of KH902 eye drops and Group D by saline solution as control with three times a day for 2 weeks. At days 7, 14, and 28, the anterior segment photographs, confocal microscopy, and histopathology were performed to evaluate corneal opacity, neovascularization, inflammatory cell density, vessel size, and edema...
November 2017: Indian Journal of Ophthalmology
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