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von Willibrand disease

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https://www.readbyqxmd.com/read/26251574/edible-bird-s-nest-attenuates-procoagulation-effects-of-high-fat-diet-in-rats
#1
COMPARATIVE STUDY
Zhang Yida, Mustapha Umar Imam, Maznah Ismail, Norsharina Ismail, Zhiping Hou
Edible bird's nest (EBN) is popular in Asia, and has long been used traditionally as a supplement. There are, however, limited evidence-based studies on its efficacy. EBN has been reported to improve dyslipidemia, which is closely linked to hypercoagulation states. In the present study, the effects of EBN on high-fat diet- (HFD-) induced coagulation in rats were evaluated. Rats were fed for 12 weeks with HFD alone or in combination with simvastatin or EBN. Food intake was estimated, and weight measurements were made during the experimental period...
2015: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/25880976/-evaluation-methods-of-angiogenesis-in-experimental-liver-fibrosis
#2
Zhimin Zhao, Tao Guo, Shuohui Yang, Kai Pan, Ye Tan, Gaofeng Chen, Chenghai Liu
OBJECTIVE: To investigate the methods for assessing angiogenesis in experimental liver fibrosis. METHODS: Male C57BL/6 mice were randomly divided into a normal (unmodeled) group and a liver fibrosis model group.The model was established by a 4-week course of 10% CCl4 solution (in olive oil) intraperitoneal injection. Liver vasculature was observed by magnetic resonance (MR),computed tomography (CT),synchrotron radiation X-ray,and von Willibrand factor(vWF) immunofluorescence staining...
February 2015: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/24864469/-role-of-platelets-in-the-pathogenesis-of-coxiella-infection
#3
E N Lazareva, V V Maleev, Kh M Galimzianov, L S Karan', M A Babaeva, S Zh Netalieva, M M Khok
AIM: To determine the relationship of hemostatic disorders to the direct impact of Coxiella burnetii on platelets as one of the key mechanisms of the pathogenesis of Q fever. SUBJECTS AND METHODS; Platelet functional activity, plasma hemostatic parameters, von Willibrand factor (vWF) were investigated; and polymerase chain reaction assay was used to determine C. burnetii DNA in the leukocyte and platelet sediments of 41 patients aged 39.9 +/- 0.8 years diagnosed with Q fever at the Astrakhan Regional Clinical Hospital in 2009 to 2010...
2014: TerapevticheskiÄ­ Arkhiv
https://www.readbyqxmd.com/read/23248463/immunohistochemical-evaluation-of-mast-cells-and-vascular-endothelial-proliferation-in-oral-precancerous-lesion-leukoplakia
#4
M Sathyakumar, G Sriram, Tr Saraswathi, B Sivapathasundharam
BACKGROUND: Oral leukoplakia is the best-known precursor lesion. Although a morphologic feature of oral epithelial dysplasia is well described, less is known about the pathobiologic changes within the cells and over the cell surfaces for malignant transformation. AIMS: The present study is aimed at comparing and correlating the mast cell density (MCD) and micro vascular density (MVD) in Normal Mucosa (NM) and different grades of dysplasia and to analyze their role in disease progression...
September 2012: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/19951893/evolutionary-divergence-and-functions-of-the-adam-and-adamts-gene-families
#5
Chad N Brocker, Vasilis Vasiliou, Daniel W Nebert
The 'A-disintegrin and metalloproteinase' ( ADAM ) and 'A-disintegrin and metalloproteinase with thrombospondin motifs' ( ADAMTS ) genes make up two similar, yet distinct, gene families. The human and mouse genomes contain 21 and 24 putatively functional protein-coding ADAM genes, respectively, and 24 versus 32 putatively functional protein-coding ADAMTS genes, respectively. Analysis of evolutionary divergence shows that both families are unique. Each of the two families can be separated, if need be, into groups of more closely related members: six subfamilies for ADAM , four subfamilies for ADAMTS...
October 2009: Human Genomics
https://www.readbyqxmd.com/read/19662613/membranous-nephropathy-and-thrombotic-thrombocytopenic-purpura-treated-with-rituximab
#6
Sarat Kuppachi, Praveen Chander, Jinil Yoo
A 43-year-old black male was brought to hospital with complaints of confusion and fever. He was noted to have petechial lesions, thrombocytopenia (platelet count 7,200/ml), schistocytes on peripheral smear, and serum creatinine 1.7 mg/dl (150.28 micromol/L). He was diagnosed to have thrombotic thrombocytopenic purpura (TTP) and started on high dose IV steroids and plasmapheresis. Attempts at steroid withdrawal following plasmapheresis were unsuccessful as his platelet count started to decrease. He subsequently was started on rituximab given as 4 weekly infusions...
July 2009: Journal of Nephrology
https://www.readbyqxmd.com/read/19452618/berend-houwen-memorial-lecture-islh-las-vegas-may-2009-the-pathogenesis-and-management-of-thrombotic-microangiopathies
#7
REVIEW
M A Scully, S J Machin
Thrombotic microangiopathies are a relatively rare group of congenital and inherited disorders caused by defects in processing the ultra large forms of von Willibrand factor which pathologically give rise to platelet rich microthrombi in the micro arterial circulation leading to end organ damage particularly in the brain, heart and kidneys. Identification of the ADAMTS 13 gene has led to the definition of congenital deficiency of its activity or failure of activity due to the development of an inhibitory IgG antibody...
June 2009: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/16791003/human-adipose-tissue-derived-mesenchymal-stem-cells-improve-postnatal-neovascularization-in-a-mouse-model-of-hindlimb-ischemia
#8
Mi Hyang Moon, Sun Young Kim, Yeon Jeong Kim, Su Jin Kim, Jae Bong Lee, Yong Chan Bae, Sang Min Sung, Jin Sup Jung
BACKGROUND/AIM: It has been reported that adipose tissue contain progenitor cells with angiogenic potential and that therapy based on adipose tissue-derived progenitor cells administration may constitute a promising cell therapy in patients with ischemic disease. In this study we evaluated the effect of culture-expanded mesenchymal stem cells (MSC) derived from adipose tissue on neovascularization and blood flow in an animal model of limb ischemia in immunodeficient mice. METHODS: MSC were cultured from human adipose tissue by collagenase digestion...
2006: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/15684767/delayed-thrombosis-after-traumatic-brain-injury-in-rats
#9
Dunyue Lu, Asim Mahmood, Anton Goussev, Changsheng Qu, Zheng Gang Zhang, Michael Chopp
Secondary thrombosis may contribute to cerebral ischemia caused by traumatic brain injury (TBI). In this study, we sought to investigate the temporal and spatial profiles of intravascular thrombosis and to evaluate the effect of atorvastatin, a beta-hydroxy-beta-methylglutaryl coenzyme-A (HMG-CoA) reductase inhibitor, on thrombosis after TBI. Young male Wistar rats weighing 350-400 g were subjected to controlled cortical impact injury, and were sacrificed at 1 and 4 h, and 1, 3, 8, and 15 days after TBI (5 rats/time point), respectively...
December 2004: Journal of Neurotrauma
https://www.readbyqxmd.com/read/12378548/acute-thrombotic-thrombocytopenic-purpura-following-orthopedic-surgery
#10
Satheesh K Kathula, Mallika Kamana, Tahir Naqvi, Sharda Gupta, Jae C Chang
Release of unusually large von Willibrand factor (UL vWF) multimers and a deficiency of vWF metalloprotease may result in thrombotic thrombocytopenic purpura (TTP), a life threatening disease. Surgery has been associated with TTP, probably by releasing massive amounts of UL vWF. An association between TTP and orthopedic surgery has never been reported in the literature. We report a case of TTP following a total knee replacement surgery in which prior use of ticlopidine might have played a role.
2002: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/11560567/acute-hyperhomocysteinaemia-affects-pulse-pressure-but-not-microvascular-vasodilator-function
#11
RANDOMIZED CONTROLLED TRIAL
K R Davis, H Pearson, S Moat, J R Bonham, R Donnelly
AIMS: Raised homocysteine (hcy) levels are associated with premature coronary artery disease, but the underlying vascular mechanism and the extent to which hcy affects small vessel vasodilator responses (especially non-nitric oxide mediated pathways) are unclear. METHODS: This double-blind, placebo-controlled crossover study in 14 healthy male subjects evaluated the effects of single-dose oral methionine 15 g (to induce acute hyperhomocysteinaemia) on cutaneous microvascular vasodilator responses to incremental-dose iontophoretic administration of acetylcholine (Ach) and sodium nitroprusside (SNP) using laser Doppler fluximetry (LDF), and the effects on von Willibrand factor (vWF) levels and systemic haemodynamics...
September 2001: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/9450571/preferential-adhesion-of-prostate-cancer-cells-to-a-human-bone-marrow-endothelial-cell-line
#12
J E Lehr, K J Pienta
BACKGROUND: In virtually all patients with advanced prostate cancer, the disease metastasizes to bone and causes osteoblastic growth. However, the mechanisms that contribute to bone metastasis are poorly understood. It has been hypothesized that the bone provides a favorable growth environment for prostate cancer cells, which nonselectively seed the bone marrow from the bloodstream. Alternatively, prostate cancer cells may preferentially bind to bone marrow endothelial cells. We developed an in vitro model of bone endothelium and tested the hypothesis that prostate cancer cells adhere preferentially to bone marrow endothelial cells...
January 21, 1998: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/1081531/-bleeding-disorders-and-childhood-ent-diseases-author-s-transl
#13
G Landbeck
The diagnosis and management of ENT patients with coincidental bleeding dyscrasias presents special difficulties, which include diagnosis of the disorder, arrest of the bleeding when unexpected, and the conservative and surgical care of affected children with ENT diseases. The dyscrasias most often found in childhood are haemophilia, von Willibrand's disease and ideopathic thrombocytopenic purpura. The clinical presentation and course of these disorders are described. Present day treatment is effective in arrest of the haemorrhage such that a fatality can almost always be avoided...
September 1975: HNO
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