All Outputs (11)

Uncomplicated Plasmodium vivax malaria: mapping the proteome from circulating platelets (2022)
Journal Article
Fernández, D., Segura, C., Arman, M., McGill, S., Burchmore, R., & Lopera-Mesa, T. (2022). Uncomplicated Plasmodium vivax malaria: mapping the proteome from circulating platelets. Clinical Proteomics, 19, Article 1. https://doi.org/10.1186/s12014-021-09337-7

Background: Thrombocytopenia is frequent in Plasmodium vivax malaria but the role of platelets in pathogenesis is unknown. Our study explores the platelet (PLT) proteome from uncomplicated P. vivax patients, to fingerprint molecular pathways related... Read More about Uncomplicated Plasmodium vivax malaria: mapping the proteome from circulating platelets.

Practical considerations of dissolved oxygen levels for platelet function under hypoxia (2021)
Journal Article
Kusanto, B., Gordon, A., Naylor-Adamson, L., Atkinson, L., Coupland, C., Booth, Z., …Arman, M. (2021). Practical considerations of dissolved oxygen levels for platelet function under hypoxia. International Journal of Molecular Sciences, 22(24), Article 13223. https://doi.org/10.3390/ijms222413223

Investigating human platelet function in low-oxygen environments is important in multiple settings, including hypobaric hypoxia (e.g., high altitude), sea level hypoxia-related disease, and thrombus stability. These studies often involve drawing bloo... Read More about Practical considerations of dissolved oxygen levels for platelet function under hypoxia.

Bruton’s tyrosine kinase inhibitors impair FcγRIIA-driven platelet responses to bacteria in chronic lymphocytic leukemia (2021)
Journal Article
Naylor-Adamson, L., Chacko, A., Booth, Z., Caserta, S., Jarvis, J., Khan, S., …Arman, M. (2021). Bruton’s tyrosine kinase inhibitors impair FcγRIIA-driven platelet responses to bacteria in chronic lymphocytic leukemia. Frontiers in immunology, 12, Article 766272. https://doi.org/10.3389/fimmu.2021.766272

Bacterial infections are a major cause of morbidity and mortality in chronic lymphocytic leukemia (CLL), and infection risk increases in patients treated with the Bruton’s tyrosine kinase (Btk) inhibitor, ibrutinib. Btk and related kinases (like Tec)... Read More about Bruton’s tyrosine kinase inhibitors impair FcγRIIA-driven platelet responses to bacteria in chronic lymphocytic leukemia.

Human platelet activation by Escherichia coli: roles for FcγRIIA and integrin αIIbβ3 (2016)
Journal Article
Watson, C. N., Cox, D., Watson, S. P., Arman, M., Henderson, I. R., & Kerrigan, S. W. (2016). Human platelet activation by Escherichia coli: roles for FcγRIIA and integrin αIIbβ3. Platelets, 27(6), 535-540. https://doi.org/10.3109/09537104.2016.1148129

Gram-negative Escherichia coli cause diseases such as sepsis and hemolytic uremic syndrome in which thrombotic disorders can be found. Direct platelet–bacterium interactions might contribute to some of these conditions; however, mechanisms of human p... Read More about Human platelet activation by Escherichia coli: roles for FcγRIIA and integrin αIIbβ3.

Activation of glycoprotein VI (GPVI) and C-type lectin-like receptor-2 (CLEC-2) underlies platelet activation by diesel exhaust particles and other charged/hydrophobic ligands (2015)
Journal Article
Alshehri, O. M., Montague, S., Watson, S., Carter, P., Sarker, N., Manne, B. K., Miller, J. L., Herr, A. B., Pollitt, A. Y., O'Callaghan, C. A., Kunapuli, S., Arman, M., Hughes, C. E., & Watson, S. P. (2015). Activation of glycoprotein VI (GPVI) and C-type lectin-like receptor-2 (CLEC-2) underlies platelet activation by diesel exhaust particles and other charged/hydrophobic ligands. Biochemical Journal, 468(3), 459-473. https://doi.org/10.1042/BJ20150192

Platelets are activated by a range of stimuli that share little or no resemblance in structure to each other or to recognized ligands, including diesel exhaust particles (DEP), small peptides [4N1-1, Champs (computed helical anti-membrane proteins),... Read More about Activation of glycoprotein VI (GPVI) and C-type lectin-like receptor-2 (CLEC-2) underlies platelet activation by diesel exhaust particles and other charged/hydrophobic ligands.

Human platelet IgG Fc receptor FcγRIIA in immunity and thrombosis (2015)
Journal Article
Arman, M., & Krauel, K. (2015). Human platelet IgG Fc receptor FcγRIIA in immunity and thrombosis. Journal of thrombosis and haemostasis : JTH, 13(6), 893-908. https://doi.org/10.1111/jth.12905

© 2015 International Society on Thrombosis and Haemostasis. Beyond their prominent role in hemostasis and thrombosis, platelets are increasingly recognized as having immunologic functions. Supporting this, human platelets express FcγRIIA (CD32a), a l... Read More about Human platelet IgG Fc receptor FcγRIIA in immunity and thrombosis.

Amplification of bacteria-induced platelet activation is triggered by FcγRIIA, integrin αiIbβ3, and platelet factor 4 (2014)
Journal Article
Arman, M., Krauel, K., Tilley, D. O., Weber, C., Cox, D., Greinacher, A., Kerrigan, S. W., & Watson, S. P. (2014). Amplification of bacteria-induced platelet activation is triggered by FcγRIIA, integrin αiIbβ3, and platelet factor 4. Blood, 123(20), 3166-3174. https://doi.org/10.1182/blood-2013-11-540526

Bacterial adhesion to platelets is mediated via a range of strain-specific bacterial surface proteins that bind to a variety of platelet receptors. It is unclear how these interactions lead to platelet activation. We demonstrate a critical role for t... Read More about Amplification of bacteria-induced platelet activation is triggered by FcγRIIA, integrin αiIbβ3, and platelet factor 4.

Glycoprotein Ibα and FcγRIIa play key roles in platelet activation by the colonizing bacterium, Streptococcus oralis (2013)
Journal Article
Tilley, D. O., Arman, M., Smolenski, A., Cox, D., O'Donnell, J. S., Douglas, C. W., Watson, S. P., & Kerrigan, S. W. (2013). Glycoprotein Ibα and FcγRIIa play key roles in platelet activation by the colonizing bacterium, Streptococcus oralis. Journal of thrombosis and haemostasis : JTH, 11(5), 941-950. https://doi.org/10.1111/jth.12175

Background: Infective endocarditis (IE) is characterized by thrombus formation on a cardiac valve. The oral bacterium, Streptococcus oralis, is recognized for its ability to colonize damaged heart valves and is frequently isolated from patients with... Read More about Glycoprotein Ibα and FcγRIIa play key roles in platelet activation by the colonizing bacterium, Streptococcus oralis.

A Method for Positive and Negative Selection of Plasmodium falciparum Platelet-Mediated Clumping Parasites and Investigation of the Role of CD36 (2013)
Journal Article
Arman, M., Adams, Y., Lindergard, G., & Rowe, J. A. (2013). A Method for Positive and Negative Selection of Plasmodium falciparum Platelet-Mediated Clumping Parasites and Investigation of the Role of CD36. PLoS ONE, 8(2), Article e55453. https://doi.org/10.1371/journal.pone.0055453

Platelet-mediated clumping of Plasmodium falciparum infected erythrocytes (IEs) is a frequently observed parasite adhesion phenotype. The importance of clumping in severe malaria and the molecular mechanisms behind this phenomenon are incompletely un... Read More about A Method for Positive and Negative Selection of Plasmodium falciparum Platelet-Mediated Clumping Parasites and Investigation of the Role of CD36.

A subset of group A-like var genes encodes the malaria parasite ligands for binding to human brain endothelial cells (2012)
Journal Article
Claessens, A., Adams, Y., Ghumra, A., Lindergard, G., Buchan, C. C., Andisi, C., Bull, P. C., Mok, S., Gupta, A. P., Wang, C. W., Turner, L., Arman, M., Raza, A., Bozdech, Z., & Rowe, J. A. (2012). A subset of group A-like var genes encodes the malaria parasite ligands for binding to human brain endothelial cells. Proceedings of the National Academy of Sciences of the United States of America, 109(26), E1772-E1781. https://doi.org/10.1073/pnas.1120461109

Cerebral malaria is the most deadly manifestation of infection with Plasmodium falciparum. The pathology of cerebral malaria is characterized by the accumulation of infected erythrocytes (IEs) in the microvasculature of the brain caused by parasite a... Read More about A subset of group A-like var genes encodes the malaria parasite ligands for binding to human brain endothelial cells.

Induction of strain-transcending antibodies against group A PfEMP1 surface antigens from virulent malaria parasites (2012)
Journal Article
Ghumra, A., Semblat, J. P., Ataide, R., Kifude, C., Adams, Y., Claessens, A., Anong, D. N., Bull, P. C., Fennell, C., Arman, M., Amambua-Ngwa, A., Walther, M., Conway, D. J., Kassambara, L., Doumbo, O. K., Raza, A., & Rowe, J. A. (2012). Induction of strain-transcending antibodies against group A PfEMP1 surface antigens from virulent malaria parasites. PLoS Pathogens, 8(4), Article e1002665. https://doi.org/10.1371/journal.ppat.1002665

Sequence diversity in pathogen antigens is an obstacle to the development of interventions against many infectious diseases. In malaria caused by Plasmodium falciparum, the PfEMP1 family of variant surface antigens encoded by var genes are adhesion m... Read More about Induction of strain-transcending antibodies against group A PfEMP1 surface antigens from virulent malaria parasites.