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https://www.readbyqxmd.com/read/28938559/doxorubicin-loaded-platelets-conjugated-with-anti-cd22-mabs-a-novel-targeted-delivery-system-for-lymphoma-treatment-with-cardiopulmonary-avoidance
#1
Peipei Xu, Huaqin Zuo, Rongfu Zhou, Fan Wang, Xu Liu, Jian Ouyang, Bing Chen
B-cell lymphoma accounts for approximately 85% of all adult non-Hodgkin's lymphoma cases. Doxorubicin (DOX) is an indispensable drug for the treatment of non-Hodgkin's lymphoma. However, DOX causes severe cardiotoxicity, which limits its use in conventional treatment strategies. In this study, we developed a novel drug delivery system for lymphoma treatment: DOX-loaded platelets that were conjugated with anti-CD22 monoclonal antibodies (mAbs) (DOX-platelet-CD22). Platelets are bio- and immune-compatible drug carriers that can prolong the circulation time of drugs...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938496/icaritin-improves-antibody-induced-thrombocytopenia-in-a-mouse-model-by-regulating-t-cell-polarization
#2
Chenghong Sun, Jian Yang, Mingzhi Wang, Lihong Pan, Jingchun Yao, Shenglan Wang, Na Guo, Chunyan Li, Guimin Zhang
Previous studies have shown that icaritin (ICT) has significant protective effects on immune thrombocytopenia (ITP), and the present study aimed to discuss the mechanism of this protective effect from the aspect of regulating T-cell polarization by an antibody-induced ITP mice model. Mice were given rat anti-mouse CD41 antibody (MWReg30) by intraperitoneal injection for 7 d to produce ITP model. At the same time, ICT was administrated at 10 mg/kg/d orally for 9 d. Peripheral blood platelets were counted by hematology analyzer...
September 22, 2017: Planta Medica
https://www.readbyqxmd.com/read/28937536/enoxaparin-population-pharmacokinetics-in-the-first-year-of-life
#3
Brady S Moffett, Marianne Galati, Donald Mahoney, YoungNa Lee-Kim, Jun Teruya, Mona D Shah, Donald L Yee
Aims Enoxaparin dosing requirements in the first year of life can be highly variable. Characterization of pharmacokinetics in this patient population can assist in dosing. METHODS: Patients less than one year post-natal age who received enoxaparin and had an anti-factor Xa activity level drawn as inpatients were identified through the pharmacy database over a five-year period. Patients on renal replacement therapy or with hyperbilirubinemia were excluded. Data collection included demographic variables, indication for enoxaparin, enoxaparin doses, anti-factor Xa activity levels, serum creatinine, hemoglobin, hematocrit, platelet count, and urine output over the previous 24 hours...
September 19, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28936850/-protective-effects-of-schizonepeta-volatile-oil-on-endotoxin-poisoning-induced-by-lipopolysaccharide-in-mice
#4
Tao-Qun Wen, Wen-Tao Sang, Feng Xu, Feng Wang, Nan Zeng
In order to study the protective effects of Schizonepeta volatile oil (Sto)on endotoxin poisoning mice, and the relatively content of each chemical osubstance in Schizonepeta volatile oil was measured using GC-MS. The mare C57BL/6J mice were randomly divided into five groups including the normal group, model group, dexamethasone group (5 mg•kg⁻¹), and Sto (0.226 and 0.452 g•kg⁻¹, respectively) groups. The dexamethasone group was given the drugs once time by intraperitoneal injection on the 5th day, while the other mice were given drugs by oral administration once a day for 5 days...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28936735/dual-behavior-of-exosomes-in-septic-cardiomyopathy
#5
Valter Vinícius Silva Monteiro, Jordano Ferreira Reis, Rafaelli de Souza Gomes, Kely Campos Navegantes, Marta Chagas Monteiro
Sepsis is one of the main causes of ICU hospitalization worldwide, with a high mortality rate, and is associated with a large number of comorbidities. One of the main comorbidities associated with sepsis is septic cardiomyopathy. This process occurs mainly due to mechanisms of damage in the cardiovascular system that will lead to changes in cardiovascular physiology, such as decreased Ca(2+) response, mitochondrial dysfunction and decreased β-adrenergic receptor response. Within this process the exosomes play an important role in the pathophysiology of this disease, in which the exosomal content is related to mechanisms that will trigger its development...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28935121/treatment-of-acute-ocular-chemical-burns
#6
REVIEW
Namrata Sharma, Manpreet Kaur, Tushar Agarwal, Virender S Sangwan, Rasik B Vajpayee
Ocular chemical burns are an ophthalmic emergency and are responsible for 11.5% to 22.1% of ocular injuries. Immediate copious irrigation is universally recommended in acute ocular burns to remove the offending agent and minimize damage. Conventional medical therapy consists of the use of agents that promote epithelialization, minimize inflammation, and prevent cicatricial complications. Biological fluids such as autologous serum, umbilical cord blood serum, platelet-rich plasma, and amniotic membrane suspension are a rich source of growth factors and promote healing when used as adjuncts to conventional therapy...
September 18, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28928847/anti-angiogenic-effect-of-arsenic-trioxide-in-lung-cancer-via-inhibition-of-endothelial-cell-migration-proliferation-and-tube-formation
#7
Meng-Hang Yang, Ke-Jie Chang, Jin-Cheng Zheng, Hai Huang, Guang-Yuan Sun, Xue-Wei Zhao, Bing Li, Qing-Yu Xiu
Arsenic trioxide (As2O3) exhibits a remarkable effect on leukemia treatment; however, its effect on solid tumors remains poorly explored. The present study demonstrated the inhibitory effect of As2O3 on lung cancer and explored its possible mechanism. It was observed that As2O3 significantly inhibited the growth of lung cancer xenografts and tumor angiogenesis in vivo. The inhibitory effect of As2O3 on cell proliferation in vitro was more remarkable in vascular endothelial cells than in lung cancer cells. It was also observed that As2O3 inhibited the migration of vascular endothelial cells and disrupted vascular tube formation on Matrigel assays...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928091/p2y12-antibody-inhibits-platelet-activity-and-protects-against-thrombogenesis
#8
Nicole R Hensch, Zubair A Karim, Joshua Pineda, Nicole Mercado, Fatima Z Alshbool, Fadi T Khasawneh
Given that platelet hyperactivity is known to give rise to thrombotic disorders, new and/or novel antiplatelet therapies are constantly being developed to add to, or to complement the current arsenal of agents. To this end, adenosine diphosphate (ADP) is an important platelet activator that acts by binding to the G-protein coupled P2Y1 and P2Y12 receptors. Although the contribution of the P2Y12 receptor to the genesis of thrombosis is well established, the parenteral arsenal of drugs targeting this receptor in clinical use is limited to cangrelor...
September 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28927636/feasibility-of-coronary-fractional-flow-reserve-with-dual-anti-platelet-therapy-in-low-risk-coronary-lesions-without-systemic-anticoagulation-results-of-the-smart-ffr-study
#9
Fernando Boccalandro, Mandeep Dhindsa, Prem Subramaniyam, Mary Mok
BACKGROUND: Fractional flow reserve (FFR) is used to assess the functional significance of coronary artery stenoses. The optimal anti-thrombotic regimen for FFR has not been studied. PURPOSE: The goal of this study was to determine whether FFR could be safely performed in Type A coronary lesions, using only upstream dual anti-platelet therapy (DAT) with aspirin and clopidogrel, compared with DAT plus anticoagulation in low risk coronary lesions. METHODS/MATERIALS: Two hundred patients undergoing FFR for Type A intermediate coronary lesions were blindly randomized into two groups of 100 patients each...
August 18, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28926782/enterprise-stent-in-recanalizing-non-acute-atherosclerotic-intracranial-internal-carotid-artery-occlusion
#10
Xiaofei Wang, Zhigang Wang, Yong Ji, Xuan Ding, Yizheng Zang, Chengwei Wang
OBJECTIVE: To investigate the safety and effectiveness of recanalization in non-acute occlusion of intracranial internal carotid arteries using the flexible Enterprise self-expanding stent. PATIENTS AND METHODS: From June 2014 to June 2016, 12 consecutive patients with non-acute occlusion of intracranial internal carotid arteries received endovascular recanalization with Enterprise stenting. All patients received medication for anti-platelet aggregation therapy before and after the operation...
June 27, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28923772/reference-intervals-of-citrated-native-whole-blood-thromboelastography-in-premature-neonates
#11
Mario Motta, Brunetta Guaragni, Elena Pezzotti, Carmen Rodriguez-Perez, Gaetano Chirico
BACKGROUND: Bleeding due to acquired coagulation disorders is a common complication in premature neonates. In this clinical setting, standard coagulation laboratory tests might be unsuitable to investigate the hemostatic function as they reflect the concentration of pro-coagulant proteins but not of anti-coagulant proteins. Thromboelastography (TEG), providing a more complete assessment of hemostasis, may be able to overcome some of these limitations. Unfortunately, experience on the use of TEG in premature neonates is very limited and, in particular in this population, reference ranges of TEG parameters have not been yet evaluated...
September 15, 2017: Early Human Development
https://www.readbyqxmd.com/read/28922541/effects-of-collagen-peptides-intake-on-skin-ageing-and-platelet-release-in-chronologically-aged-mice-revealed-by-cytokine-array-analysis
#12
Hongdong Song, Ling Zhang, Yongkang Luo, Siqi Zhang, Bo Li
Action mechanisms underlying various biological activities of collagen peptides (CPs) remained to be elucidated. Cytokines may play an important role in mediating these health benefits of CPs. This study aimed to systemically examine the cytokines in skin and blood regulated by CPs intake. Thirteen-month-old female Kunming mice were administered with CPs for 2 months (0 or 400 mg/kg bodyweight/day). The cytokines in skin and plasma were analysed using a 53-cytokine array and corresponding ELISA kits. In skin, CPs intake significantly down-regulated placenta growth factor (PIGF-2), insulin-like growth factor (IGF)-binding protein (IGFBP) -2 and IGFBP-3, and up-regulated platelet factor 4 (PF4), serpin E1 and transforming growth factor (TGF)-β1 ...
September 18, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28920085/baseline-prescription-and-one-year-persistence-of-secondary-prevention-drugs-after-an-index-stroke-in-central-ghana
#13
Fred Stephen Sarfo, Bruce Ovbiagele, John Akassi, Gloria Kyem
BACKGROUND AND PURPOSE: There is a paucity of data on persistence of secondary prevention medications among stroke survivors in resource-limited settings where stroke is on a rapid upward trajectory and its management severely challenged. To avert new cardiovascular events after stroke, preventive medications should be promptly instituted and used continuously. We report 1-year rates and determinants of persistent utilization of secondary prevention therapies after stroke in Ghana. METHODS: A retrospective observational study involving 418 stroke survivors enrolled into a Neurology clinic in a tertiary institution in central Ghana between January 2011 and December 2013...
March 2017: ENeurologicalSci
https://www.readbyqxmd.com/read/28919696/potential-of-pomegranate-fruit-extract-punica-granatum-linn-to-increase-vascular-endothelial-growth-factor-and-platelet-derived-growth-factor-expressions-on-the-post-tooth-extraction-wound-of-cavia-cobaya
#14
Intan Nirwana, Priyawan Rachmadi, Devi Rianti
BACKGROUND: Pomegranates fruit extracts have several activities, among others, anti-inflammatory, antibacterial, and antioxidants that have the main content punicalagin and ellagic acid. Pomegranate has the ability of various therapies through different mechanisms. Vascular endothelial growth factor (VEGF) function was to form new blood vessels produced by various cells one of them was macrophages. Platelet-derived growth factor (PDGF) was a growth factor proven chemotactic, increased fibroblast proliferation and collagen matrix production...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28917976/low-molecular-weight-fucoidan-ameliorates-hindlimb-ischemic-injury-in-type-2-diabetic-rats
#15
Zhiqiang Wang, Tiantian Liu, Xiaoping Chen, Hongjie You, Quanbin Zhang, Jingyi Xue, Yuanyuan Zheng, Dali Luo
ETHNOPHARMACOLOGICAL RELEVANCE: Low molecular weight fucoidan (LMWF), extracted from Laminaria japonica Areschoug, is a traditional Chinese medicine, commonly used to alleviate edema, particularly for feet with numbness and pain. AIM OF THE STUDY: Diabetic mellitus (DM) patients are at high risk of developing peripheral arterial disease (PAD). Individuals with DM and PAD co-morbidity have a much higher risk of critical limb ischemia. LMWF showed several beneficial effects, such as anti-inflammation, anti-thrombosis, and enhancing revascularization...
September 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28916600/white-blood-cell-count-and-major-adverse-cardiovascular-events-after-percutaneous-coronary-intervention-in-the-contemporary-era-insights-from-the-paris-study-patterns-of-non-adherence-to-anti-platelet-regimens-in-stented-patients-registry
#16
Binita Shah, Usman Baber, Stuart J Pocock, Mitchell W Krucoff, Cono Ariti, C Michael Gibson, Philippe Gabriel Steg, Giora Weisz, Bernhard Witzenbichler, Timothy D Henry, Annapoorna S Kini, Thomas Stuckey, David J Cohen, Ioannis Iakovou, George Dangas, Melissa B Aquino, Samantha Sartori, Alaide Chieffo, David J Moliterno, Antonio Colombo, Roxana Mehran
BACKGROUND: Elevated white blood cell (WBC) count is associated with increased major adverse cardiovascular events (MACE) in the setting of acute coronary syndrome. The aim of this study was to evaluate whether similar associations persist in an all-comers population of patients undergoing percutaneous coronary intervention in the contemporary era. METHODS AND RESULTS: In the multicenter, prospective, observational PARIS study (Patterns of Non-Adherence to Anti-Platelet Regimens in Stented Patients Registry), 4222 patients who underwent percutaneous coronary intervention in the United States and Europe between July 1, 2009, and December 2, 2010, were evaluated...
September 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28915889/anti-fibrotic-efficacy-of-nintedanib-in-pulmonary-fibrosis-via-the-inhibition-of-fibrocyte-activity
#17
Seidai Sato, Shintaro Shinohara, Shinya Hayashi, Shun Morizumi, Shuichi Abe, Hiroyasu Okazaki, Yanjuan Chen, Hisatsugu Goto, Yoshinori Aono, Hirohisa Ogawa, Kazuya Koyama, Haruka Nishimura, Hiroshi Kawano, Yuko Toyoda, Hisanori Uehara, Yasuhiko Nishioka
BACKGROUND: Nintedanib, a tyrosine kinase inhibitor that is specific for platelet-derived growth factor receptors (PDGFR), fibroblast growth factor receptors (FGFR), and vascular endothelial growth factor receptors (VEGFR), has recently been approved for idiopathic pulmonary fibrosis. Fibrocytes are bone marrow-derived progenitor cells that produce growth factors and contribute to fibrogenesis in the lungs. However, the effects of nintedanib on the functions of fibrocytes remain unclear...
September 15, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28915383/force-activatable-biosensor-enables-single-platelet-force-mapping-directly-by-fluorescence-imaging
#18
Yongliang Wang, Dana N LeVine, Margaret Gannon, Yuanchang Zhao, Anwesha Sarkar, Bailey Hoch, Xuefeng Wang
Integrin-transmitted cellular forces are critical for platelet adhesion, activation, aggregation and contraction during hemostasis and thrombosis. Measuring and mapping single platelet forces are desired in both research and clinical applications. Conventional force-to-strain based cell traction force microscopies have low resolution which is not ideal for cellular force mapping in small platelets. To enable platelet force mapping with submicron resolution, we developed a force-activatable biosensor named integrative tension sensor (ITS) which directly converts molecular tensions to fluorescent signals, therefore enabling cellular force mapping directly by fluorescence imaging...
September 8, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28914800/effect-of-clotting-duration-and-temperature-on-bdnf-measurement-in-human-serum
#19
Patrizia Amadio, Leonardo Sandrini, Alessandro Ieraci, Elena Tremoli, Silvia Stella Barbieri
Brain-derived neurothrophic factor (BDNF) is a neurotrophin expressed in different tissues and cells, including neurons, endothelial cells, leukocytes, megakaryocytes and platelets. Modifications of BDNF in plasma and/or in serum are associated with neurodegenerative and psychiatric disorders, cardiovascular diseases, metabolic syndrome and with mortality risk. Indeed, changes in blood levels of BDNF may reflect those of its tissue of origin and/or promote pathological dysfunctions. The measurement of BDNF amount in plasma or in serum has been characterized with particular attention in the impact of different anti-coagulants, clotting duration, temperature (≤21 °C) and delay in blood sample centrifugation as well as in stability of storage...
September 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28914789/phytochemical-constituents-health-benefits-and-industrial-applications-of-grape-seeds-a-mini-review
#20
REVIEW
Zheng Feei Ma, Hongxia Zhang
Grapes are one of the most widely grown fruits and have been used for winemaking since the ancient Greek and Roman civilizations. Grape seeds are rich in proanthocyanidins which have been shown to possess potent free radical scavenging activity. Grape seeds are a complex matrix containing 40% fiber, 16% oil, 11% proteins, and 7% complex phenols such as tannins. Grape seeds are rich sources of flavonoids and contain monomers, dimers, trimers, oligomers, and polymers. The monomeric compounds includes (+)-catechins, (-)-epicatechin, and (-)-epicatechin-3-O-gallate...
September 15, 2017: Antioxidants (Basel, Switzerland)
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