Immunomodulation of TLR2 and TLR4 by G2013 (-L-Guluronic acid) in CVID Patients

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SHARIFI LALEH; AGHAMOHAMMADI ASGHAR; MOHSENZADEGAN MONIREH; REZAEI NIMA; TOFIGHI ZAVAREH FARZANEH; MOSHIRI MONA; BOKAIE SAIED; Barati Anis; SAYEDI SEYED JAVAD; Azizi Golamreza; MIRSHAFIEY ABBAS

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Journal: Journal of Pediatric Perspectives Year:2017 | Volume:5 | Issue:7 (43) Page(s): 5327-5337

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Title

Immunomodulation of TLR2 and TLR4 by G2013 (-L-Guluronic acid) in CVID Patients

Author(s)

Keywords

-L-Guluronic acid

G2013

CVID

TLR2

TLR4

NF-B

IL-6

IL-1

Abstract

Background: Common variable immunodeficiency (CVID) is a primary immune disorder associated with hypogammaglobulinemia, recurrent infections and autoimmune diseases. CVID patients are frequently in contact with infectious pathogens leading to the activation of innate immunity through Toll-like receptors (TLR) affecting adaptive immunity. The aim of the present study was to test the immunomedulatory effect of small molecule G2013, a novel designed non-steroidal antiinflammatory agent in CVID. Materials and Methods: After blood sampling from 16 CVID patients and 16 age-and sex-matched healthy controls, peripheral blood mononuclear cells (PBMCs) were isolated and treated with/without lipopolysaccharide (LPS), lipopolyteichoic acid (LTA), and G2013. Assessing the immunomodulatory effect of G2013, flowcytometry was done for quantify the protein expression of TLR2 and TLR4. Gene expressions of signaling molecules involved in the TLR2 and TLR4 pathways were assessed by real-time PCR. ELISA performed assessing the production of IL-1 and IL-6. Results: G2013 significantly decreased the intensity of TLR2 expression in CVID PBMCs (p=0. 001) also G2013 decreased significantly the NF- B gene expression in PBMCs of CVID patients (p=0. 006). Conclusion: These results indicated that G2013 had immunomodulatory effect at least in part via TLR2 and NF- B expression. G2013 by decreasing MFI of TLR2 expression and NF B gene expression provide the possibility of designing new drugs for preventing or controlling autoimmunity in CVID patients.

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APA: Copy

SHARIFI, LALEH, AGHAMOHAMMADI, ASGHAR, MOHSENZADEGAN, MONIREH, REZAEI, NIMA, TOFIGHI ZAVAREH, FARZANEH, MOSHIRI, MONA, BOKAIE, SAIED, Barati, Anis, SAYEDI, SEYED JAVAD, Azizi, Golamreza, & MIRSHAFIEY, ABBAS. (2017). Immunomodulation of TLR2 and TLR4 by G2013 (-L-Guluronic acid) in CVID Patients. INTERNATIONAL JOURNAL OF PEDIATRICS, 5(7 (43)), 5327-5337. SID. https://sid.ir/paper/337745/en

Vancouver: Copy

SHARIFI LALEH, AGHAMOHAMMADI ASGHAR, MOHSENZADEGAN MONIREH, REZAEI NIMA, TOFIGHI ZAVAREH FARZANEH, MOSHIRI MONA, BOKAIE SAIED, Barati Anis, SAYEDI SEYED JAVAD, Azizi Golamreza, MIRSHAFIEY ABBAS. Immunomodulation of TLR2 and TLR4 by G2013 (-L-Guluronic acid) in CVID Patients. INTERNATIONAL JOURNAL OF PEDIATRICS[Internet]. 2017;5(7 (43)):5327-5337. Available from: https://sid.ir/paper/337745/en

IEEE: Copy

LALEH SHARIFI, ASGHAR AGHAMOHAMMADI, MONIREH MOHSENZADEGAN, NIMA REZAEI, FARZANEH TOFIGHI ZAVAREH, MONA MOSHIRI, SAIED BOKAIE, Anis Barati, SEYED JAVAD SAYEDI, Golamreza Azizi, and ABBAS MIRSHAFIEY, “Immunomodulation of TLR2 and TLR4 by G2013 (-L-Guluronic acid) in CVID Patients,” INTERNATIONAL JOURNAL OF PEDIATRICS, vol. 5, no. 7 (43), pp. 5327–5337, 2017, [Online]. Available: https://sid.ir/paper/337745/en

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