P-MAPA, a Fungi-Derived Immunomodulatory Compound, Induces a Proinflammatory Response in a Human Whole Blood Model
المؤلفون المشاركون
Squaiella-Baptistão, Carla Cristina
Pidde, Giselle
Gonçalves, Mariana Torrente
Lopes, Priscila Hess
da Silva Nunes, Iseu
Tambourgi, Denise V.
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-13، 13ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-11-24
دولة النشر
مصر
عدد الصفحات
13
التخصصات الرئيسية
الملخص EN
P-MAPA is a complex compound, derived from Aspergillus oryzae cultures, that has shown immunomodulatory properties in infection and cancer animal models.
Despite promising results in these models, the mechanisms of cellular activation by P-MAPA, suggested to be Toll-like receptor- (TLR-) dependent, and its effect on human immune cells, remain unclear.
Using an ex vivo model of human whole blood, the effects of P-MAPA on complement system activation, production of cytokines, and the expression of complement receptors (CD11b, C5aR, and C3aR), TLR2, TLR4, and the coreceptor CD14 were analyzed in neutrophils and monocytes.
P-MAPA induced complement activation in human blood, detected by increased levels of C3a, C5a, and SC5b-9 in plasma.
As a consequence, CD11b expression increased and C5aR decreased upon activation, while C3aR expression remained unchanged in leukocytes.
TLR2 and TLR4 expressions were not modulated by P-MAPA treatment on neutrophils, but TLR4 expression was reduced in monocytes, while CD14 expression increased in both cell types.
P-MAPA also induced the production of TNF-α, IL-8, and IL-12 and oxidative burst, measured by peroxynitrite levels, in human leukocytes.
Complement inhibition with compstatin showed that P-MAPA-induced complement activation drives modulation of C5aR, but not of CD11b, suggesting that P-MAPA acts through both complement-dependent and complement-independent mechanisms.
Compstatin also significantly reduced the peroxynitrite generation.
Altogether, our results show that P-MAPA induced proinflammatory response in human leukocytes, which is partially mediated by complement activation.
Our data contribute to elucidate the complement-dependent and complement-independent mechanisms of P-MAPA, which ultimately result in immune cell activation and in its immunomodulatory properties in infection and cancer animal models.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Gonçalves, Mariana Torrente& Squaiella-Baptistão, Carla Cristina& Pidde, Giselle& Lopes, Priscila Hess& da Silva Nunes, Iseu& Tambourgi, Denise V.. 2020. P-MAPA, a Fungi-Derived Immunomodulatory Compound, Induces a Proinflammatory Response in a Human Whole Blood Model. Mediators of Inflammation،Vol. 2020, no. 2020, pp.1-13.
https://search.emarefa.net/detail/BIM-1192151
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Gonçalves, Mariana Torrente…[et al.]. P-MAPA, a Fungi-Derived Immunomodulatory Compound, Induces a Proinflammatory Response in a Human Whole Blood Model. Mediators of Inflammation No. 2020 (2020), pp.1-13.
https://search.emarefa.net/detail/BIM-1192151
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Gonçalves, Mariana Torrente& Squaiella-Baptistão, Carla Cristina& Pidde, Giselle& Lopes, Priscila Hess& da Silva Nunes, Iseu& Tambourgi, Denise V.. P-MAPA, a Fungi-Derived Immunomodulatory Compound, Induces a Proinflammatory Response in a Human Whole Blood Model. Mediators of Inflammation. 2020. Vol. 2020, no. 2020, pp.1-13.
https://search.emarefa.net/detail/BIM-1192151
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1192151
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر