keyword
MENU ▼
Read by QxMD icon Read
search

platelet function

keyword
https://www.readbyqxmd.com/read/28102740/update-on-functional-and-genetic-laboratory-assays-for-the-detection-of-platelet-microvesicles
#1
Maxime Laroche, Claire Dunois, Anne Marie Vissac, Jean Amiral
Functional and genetic assays for measuring platelet microvesicles (PMVs) are presented and discussed. Functional assays concern two groups of methods: a) homogeneous assays using the cofactor activity of phospholipids (PPLs) contained in PMVs and present in assayed plasmas, and a coagulation or a thrombin generation assay (TGA) as "end points"; b) capture-based assays, in which PMVs bind to an immobilized ligand, such as Annexin V in the presence of calcium, or monoclonal antibodies (MoAbs) specific for membrane proteins...
January 19, 2017: Platelets
https://www.readbyqxmd.com/read/28102731/microfluidic-whole-blood-testing-of-platelet-response-to-pharmacological-agents
#2
Ruizhi Li, Tilo Grosser, Scott L Diamond
Platelets present a number of intracellular and transmembrane targets subject to pharmacological modulation, either for cardiovascular disease reduction or as an unintended drug response. Microfluidic devices allow human blood to clot on a defined surface under controlled hemodynamic and pharmacological conditions. The potencies of a number of antiplatelet and anticancer drugs have been tested with respect to platelet deposition on collagen under flow. Inhibitors of cyclooxygenase-1 (COX-1) reduce platelet deposition, either when added ex vivo to blood or ingested orally by patients prior to testing...
January 19, 2017: Platelets
https://www.readbyqxmd.com/read/28101903/development-and-characterization-of-anti-glycopeptide-monoclonal-antibodies-against-human-podoplanin-using-glycan-deficient-cell-lines-generated-by-crispr-cas9-and-talen
#3
Mika K Kaneko, Takuro Nakamura, Ryusuke Honma, Satoshi Ogasawara, Yuki Fujii, Shinji Abe, Michiaki Takagi, Hiroyuki Harada, Hiroyoshi Suzuki, Yasuhiko Nishioka, Yukinari Kato
Human podoplanin (hPDPN), which binds to C-type lectin-like receptor-2 (CLEC-2), is involved in platelet aggregation and cancer metastasis. The expression of hPDPN in cancer cells or cancer-associated fibroblasts indicates poor prognosis. Human lymphatic endothelial cells, lung-type I alveolar cells, and renal glomerular epithelial cells express hPDPN. Although numerous monoclonal antibodies (mAbs) against hPDPN are available, they recognize peptide epitopes of hPDPN. Here, we generated a novel anti-hPDPN mAb, LpMab-21...
January 19, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28101696/role-of-the-helix-in-talin-f3-domain-f3-helix-in-talin-mediated-integrin-activation
#4
Ang Li, Qiang Guo, Ailin Wei, Yaliang Zhou, Weiming Hu
Increases in ligand binding to cellular integrins (activation) play an important role in platelet and leukocyte function. Talin is necessary in vivo and sufficient in vitro for integrin αIIbβ3 activation. The precise mechanisms by which talin activates integrin are still being elucidated. In particular, talin undergoes conformational changes (around the F3 helix) and inserts the F3 helix into lipid bilayer; however, the connection between this lipid-inserting mechanism of talin and talin's capacity to activate integrin has never been explored before...
January 18, 2017: Cell Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28100284/role-of-flavonoids-and-nitrates-in-cardiovascular-health
#5
Julie A Lovegrove, Alex Stainer, Ditte A Hobbs
CVD remain the leading cause of death globally. Effective dietary strategies for their reduction are of high priority. Increasing evidence suggests that phytochemicals, particularly dietary flavonoids and nitrates, are key modulators of CVD risk reduction through impact on multiple risk factors. The aim of this review is to explore the evidence for the impact of flavonoid- and nitrate-rich foods and supplements on CVD risk, with specific reference to their importance as mediators of vascular health and platelet function...
January 19, 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/28099120/the-clinical-significance-of-platelet-microparticle-associated-micrornas
#6
Patrick Provost
Circulating blood platelets play a central role in the maintenance of hemostasis. They adhere to subendothelial extracellular matrix proteins that become exposed upon vessel wall damage, which is followed by platelet activation, further platelet recruitment, platelet aggregation and formation of an occlusive, or non-occlusive, platelet thrombus. Platelets host a surprisingly diverse transcriptome, which is comprised of ~9500 messenger RNAs (mRNAs) and different classes of non-coding RNAs, including microRNAs, as well as a significant repertoire of proteins that contribute to their primary (adhesion, aggregation, granule secretion) and alternative (RNA transfer, mRNA translation, immune regulation) functions...
January 18, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28097236/lung-vaso-occlusion-in-sickle-cell-disease-mediated-by-arteriolar-neutrophil-platelet-microemboli
#7
Margaret F Bennewitz, Maritza A Jimenez, Ravi Vats, Egemen Tutuncuoglu, Jude Jonassaint, Gregory J Kato, Mark T Gladwin, Prithu Sundd
In patients with sickle cell disease (SCD), the polymerization of intraerythrocytic hemoglobin S promotes downstream vaso-occlusive events in the microvasculature. While vaso-occlusion is known to occur in the lung, often in the context of systemic vaso-occlusive crisis and the acute chest syndrome, the pathophysiological mechanisms that incite lung injury are unknown. We used intravital microscopy of the lung in transgenic humanized SCD mice to monitor acute vaso-occlusive events following an acute dose of systemic lipopolysaccharide sufficient to trigger events in SCD but not control mice...
January 12, 2017: JCI Insight
https://www.readbyqxmd.com/read/28096486/phage-derived-protein-induces-increased-platelet-activation-and-is-associated-with-mortality-in-patients-with-invasive-pneumococcal-disease
#8
Rahajeng N Tunjungputri, Fredrick M Mobegi, Amelieke J Cremers, Christa E van der Gaast-de Jongh, Gerben Ferwerda, Jacques F Meis, Nel Roeleveld, Stephen D Bentley, Alexander S Pastura, Sacha A F T van Hijum, Andre J van der Ven, Quirijn de Mast, Aldert Zomer, Marien I de Jonge
: To improve our understanding about the severity of invasive pneumococcal disease (IPD), we investigated the association between the genotype of Streptococcus pneumoniae and disease outcomes for 349 bacteremic patients. A pneumococcal genome-wide association study (GWAS) demonstrated a strong correlation between 30-day mortality and the presence of the phage-derived gene pblB, encoding a platelet-binding protein whose effects on platelet activation were previously unknown. Platelets are increasingly recognized as key players of the innate immune system, and in sepsis, excessive platelet activation contributes to microvascular obstruction, tissue hypoperfusion, and finally multiorgan failure, leading to mortality...
January 17, 2017: MBio
https://www.readbyqxmd.com/read/28096086/platelets-activate-a-pathogenic-response-to-blood-stage-plasmodium-infection-but-not-a-protective-immune-response
#9
Irene Gramaglia, Joyce Velez, Valery Combes, Georges E R Grau, Melanie Wree, Henri C van der Heyde
Clinical studies indicate that thrombocytopenia correlates with the development of severe falciparum malaria, suggesting that platelets either contribute to control of parasite replication possibly as innate parasite killer cells or function in eliciting pathogenesis. Removal of platelets by anti-CD41 mAb treatment, platelet inhibition by aspirin, and adoptive transfer of WT platelets to CD40-KO mice, which do not control parasite replication, resulted in similar parasitemia compared with control mice. Human platelets at a physiological ratio of 1 platelet to 9 RBCs did not inhibit the in vitro development or replication of blood-stage P...
January 17, 2017: Blood
https://www.readbyqxmd.com/read/28095213/editorial-platelet-genomics-and-disorders-of-platelet-number-and-function
#10
A Koneti Rao
No abstract text is available yet for this article.
January 2017: Platelets
https://www.readbyqxmd.com/read/28094295/loss-of-pafr-prevents-neuroinflammation-and-brain-dysfunction-after-traumatic-brain-injury
#11
Xiang-Jie Yin, Zhen-Yan Chen, Xiao-Na Zhu, Jin-Jia Hu
Traumatic brain injury (TBI) is a principal cause of death and disability worldwide, which is a major public health problem. Death caused by TBI accounts for a third of all damage related illnesses, which 75% TBI occurred in low and middle income countries. With the increasing use of motor vehicles, the incidence of TBI has been at a high level. The abnormal brain functions of TBI patients often show the acute and long-term neurological dysfunction, which mainly associated with the pathological process of malignant brain edema and neuroinflammation in the brain...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28093506/the-tyrosine-kinase-receptor-tyro3-enhances-lifespan-and-neuropeptide-y-npy-neuron-survival-in-the-mouse-anorexia-anx-mutation
#12
Dennis Y Kim, Joanna Yu, Ryan K Mui, Rieko Niibori, Hamza Bin Taufique, Rukhsana Aslam, John W Semple, Sabine P Cordes
Severe appetite and weight loss define the eating disorder anorexia nervosa, and can also accompany the progression of some neurodegenerative disorders, such as amyotrophic lateral scelerosis (ALS). While acute loss of hypothalamic neurons that produce appetite-stimulating neuropeptide Y (Npy) and agouti related peptide (AgRP) in adult mice or in mice homozygous for the anorexia (anx) mutation causes aphagia, our understanding of the factors that help maintain appetite regulatory circuitry is limited. Here we identify a mutation that converts an arginine to a tryptophan (R7W) in the Tyrosine receptor kinase 3 (Tyro3) gene, which resides within the anx critical interval, as contributing to the severity of anx phenotypes...
January 12, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28092426/incomplete-reversibility-of-platelet-inhibition-following-prolonged-exposure-to-ticagrelor
#13
A J Gerrits, J A Jakubowski, A Sugidachi, A D Michelson, A L Frelinger
INTRODUCTION: Ticagrelor is described as a reversible P2Y12 antagonist. However, residual platelet inhibition persists after discontinuation of ticagrelor when plasma levels are undetectable. We assessed the reversibility of platelet inhibition by ticagrelor and its active metabolite (T-AM) in comparison with cangrelor and prasugrel's active metabolite (P-AM). METHODS: Whole blood was treated in vitro with ~50% inhibitory concentrations of ticagrelor, T-AM, cangrelor, P-AM and assessed for ADP-stimulated activated GPIIb-IIIa and P-selectin and vasodilator stimulated phosphoprotein (VASP) platelet reactivity index (PRI) before and after 100-fold dilution...
January 16, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28091902/nitrogen-oxide-endothelin-1-and-serotonin-in-the-blood-of-immature-spontaneously-hypertensive-rats
#14
M D Chibireva, G N Aflyatumova, V L Matveeva, D F Bilalova, O I Kuz'mina, D I Sadykova, R R Nigmatullina
Endothelial function is an early and sensitive marker of subclinical increase of BP in children and adolescents. It is associated with an imbalance of the key vasoactive factors (NO, endothelin-1, and serotonin). Immature spontaneously hypertensive rats (SHR line) are characterized by increased plasma concentrations of NO and endothelin-1 (by 14.7% and 2.9 times, respectively) and increased serotonin content in the plasma and platelets (by 2.7 and 2.3 times, respectively) in comparison with Wistar-Kyoto rats...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28090771/differential-adhesive-bioactive-properties-of-polymeric-surface-coated-with-graphene-oxide-thin-film
#15
Sudhin Thampi, A Maya Nandkumar, Vignesh Muthuvijayan, Ramesh Parameswaran
Surface engineering of implantable devices involving polymeric biomaterials has become an essential aspect for medical implants. Surface enhancement technique can provide an array of unique surface properties that improves its biocompatibility and functionality as an implant. Polyurethane based implants that have found extensively acclaimed usage as an implant in biomedical applications, especially in the area of cardiovascular devices still lacks any mechanism to ward off bacterial or platelet adhesion. To bring out such a defense mechanism we are proposing a surface modification technique...
January 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28090594/effects-of-tranexamic-acid-on-platelet-function-and-thrombin-generation-etaplat-woman-trial-sub-study
#16
Kastriot Dallaku, Haleema Shakur, Ian Roberts, Phil Edwards, Danielle Beaumont, Maria Delius, Braun Siegmund, Orion Gliozheni, Ilir Tasha, Saimir Cenameri, Ulrich Mansmann
Background. Postpartum haemorrhage (PPH) is a leading cause of maternal death. Tranexamic acid (TXA) has the potential to reduce bleeding and a large randomized placebo controlled trial of its effect in women with PPH (The WOMAN trial) is underway. TXA might also affect coagulation factors and platelets.  Objectives. To examine the effect of TXA on thrombin generation, platelet function, fibrinogen, D-dimer and coagulation factors in women with PPH.  Methods. We will conduct a sub-study within the WOMAN trial...
December 15, 2016: Wellcome Open Res
https://www.readbyqxmd.com/read/28089907/adenosine-and-preeclampsia
#17
REVIEW
Rocío Salsoso, Marcelo Farías, Jaime Gutiérrez, Fabián Pardo, Delia I Chiarello, Fernando Toledo, Andrea Leiva, Alfonso Mate, Carmen M Vázquez, Luis Sobrevia
Adenosine is an endogenous nucleoside with pleiotropic effects in different physiological processes including circulation, renal blood flow, immune function, or glucose homeostasis. Changes in adenosine membrane transporters, adenosine receptors, and corresponding intracellular signalling network associate with development of pathologies of pregnancy, including preeclampsia. Preeclampsia is a cause of maternal and perinatal morbidity and mortality affecting 3-5% of pregnancies. Since the proposed mechanisms of preeclampsia development include adenosine-dependent biological effects, adenosine membrane transporters and receptors, and the associated signalling mechanisms might play a role in the pathophysiology of preeclampsia...
January 12, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28088517/osborne-mendel-rats-simultaneously-develop-cardiac-and-renal-dysfunction-left-atrial-thrombosis-peripheral-artery-occlusion-and-ascending-aortic-dissection
#18
Makoto Asahina, Hideki Matsumoto, Yoshitaka Yasuhara, Noriko Suzuki, Ritsuko Takami, Michiyasu Takeyama, Ryuichi Tozawa
Although chronic kidney disease (CKD) is strongly associated with onsets of cardiovascular disease (CVD), the pathogenic mechanism between these diseases has not been fully understood. To develop and validate new therapeutic strategies for this complication, appropriate experimental models that reflect the complexity of the underlying pathophysiology are needed. The Osborne-Mendel (OM) rat was identified as an atherosclerosis-prone and a premature-death rat strain among 16 inbred rat strains when fed high-cholesterol containing diet...
January 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28087642/stxbp4-drives-tumor-growth-and-is-associated-with-poor-prognosis-through-pdgf-receptor-signaling-in-lung-squamous-cell-carcinoma
#19
Yukihiro Otaka, Susumu Rokudai, Kyoichi Kaira, Michiru Fujieda, Ikuko Horikoshi, Reika Kawabata, Shinji Yoshiyama, Takehiko Yokobori, Yoichi Ohtaki, Kimihiro Shimizu, Tetsunari Oyama, Jun'ichi Tamura, Carol Prives, Masahiko Nishiyama
PURPOSE: Expression of the ΔN isoform of p63 (ΔNp63) is a diagnostic marker highly specific for lung squamous cell carcinoma (SCC). We previously found that Syntaxin Binding Protein 4 (STXBP4) regulates ΔNp63 ubiquitination, suggesting that STXBP4 may also be a SCC biomarker. To address this issue, we investigated the role of STXBP4 expression in SCC biology and the impact of STXBP4 expression on SCC prognosis. EXPERIMENTAL DESIGN: We carried out a clinicopathological analysis of STXBP4 expression in 87 lung SCC patients...
January 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28086790/rna-sequencing-for-global-gene-expression-associated-with-muscle-growth-in-a-single-male-modern-broiler-line-compared-to-a-foundational-barred-plymouth-rock-chicken-line
#20
Byung-Whi Kong, Nicholas Hudson, Dongwon Seo, Seok Lee, Bhuwan Khatri, Kentu Lassiter, Devin Cook, Alissa Piekarski, Sami Dridi, Nicholas Anthony, Walter Bottje
BACKGROUND: Modern broiler chickens exhibit very rapid growth and high feed efficiency compared to unselected chicken breeds. The improved production efficiency in modern broiler chickens was achieved by the intensive genetic selection for meat production. This study was designed to investigate the genetic alterations accumulated in modern broiler breeder lines during selective breeding conducted over several decades. METHODS: To identify genes important in determining muscle growth and feed efficiency in broilers, RNA sequencing (RNAseq) was conducted with breast muscle in modern pedigree male (PeM) broilers (n = 6 per group), and with an unselected foundation broiler line (Barred Plymouth Rock; BPR)...
January 13, 2017: BMC Genomics
keyword
keyword
87653
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"