Abstract
VARV-CrmB is a TNF binding protein of variola virus. VARV-CrmB protein was previously shown to be active as a TNF-antagonist in a number of in vivo and in vitro models. Here we investigated the epicutaneous effect of recombinant VARV-CrmB protein using an experimental model of muTNFinduced migration of skin leukocytes as well as colony forming activity of bone marrow cells (BMC). Epiсutaneous applications of muTNF enhanced the number of cells migrating from skin flaps of BALB/c mice, whereas subsequent applications of VARV-CrmB protein in 30 min after muTNF, abolished that effect. Epicutaneously applied muTNF influenced the activity of committed hematopoietic progenitors causing a reduction of erythroid (BFUe+CFUe) colonies and increase of granulocyte-macrophage (CFU-GM) colonies in the colony-forming tests. VARV-CrmB, applied in combination with muTNF, demonstrated an ability to reverse this effect, namely, to increase BFUe+CFUe and reduce CFU-GM back to the control levels. Taking together, these data demonstrate the TNF-blocking properties of VARV-CrmB in vivo at epicutaneous applications. As effective TNF antagonist VARV-CrmB protein might be conceded as a beneficial candidate for future research and development of therapeutic approaches in the field of inflammatory skin diseases.
Keywords: Cell migration, hematopoiesis, murine TNF (muTNF), tumor necrosis factor alpha (TNF), TNF-binding protein of variola virus (VARV-CrmB).
Current Pharmaceutical Biotechnology
Title:TNF Binding Protein of Variola Virus Acts as a TNF Antagonist at Epicutaneous Application
Volume: 16 Issue: 1
Author(s): Irina P. Gileva, Elena A. Viazovaia, Ludmila B. Toporkova, Dondok D. Tsyrendorzhiev, Sergei N. Shchelkunov and Irina A. Orlovskaya
Affiliation:
Keywords: Cell migration, hematopoiesis, murine TNF (muTNF), tumor necrosis factor alpha (TNF), TNF-binding protein of variola virus (VARV-CrmB).
Abstract: VARV-CrmB is a TNF binding protein of variola virus. VARV-CrmB protein was previously shown to be active as a TNF-antagonist in a number of in vivo and in vitro models. Here we investigated the epicutaneous effect of recombinant VARV-CrmB protein using an experimental model of muTNFinduced migration of skin leukocytes as well as colony forming activity of bone marrow cells (BMC). Epiсutaneous applications of muTNF enhanced the number of cells migrating from skin flaps of BALB/c mice, whereas subsequent applications of VARV-CrmB protein in 30 min after muTNF, abolished that effect. Epicutaneously applied muTNF influenced the activity of committed hematopoietic progenitors causing a reduction of erythroid (BFUe+CFUe) colonies and increase of granulocyte-macrophage (CFU-GM) colonies in the colony-forming tests. VARV-CrmB, applied in combination with muTNF, demonstrated an ability to reverse this effect, namely, to increase BFUe+CFUe and reduce CFU-GM back to the control levels. Taking together, these data demonstrate the TNF-blocking properties of VARV-CrmB in vivo at epicutaneous applications. As effective TNF antagonist VARV-CrmB protein might be conceded as a beneficial candidate for future research and development of therapeutic approaches in the field of inflammatory skin diseases.
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Gileva P. Irina, Viazovaia A. Elena, Toporkova B. Ludmila, Tsyrendorzhiev D. Dondok, Shchelkunov N. Sergei and Orlovskaya A. Irina, TNF Binding Protein of Variola Virus Acts as a TNF Antagonist at Epicutaneous Application, Current Pharmaceutical Biotechnology 2015; 16 (1) . https://dx.doi.org/10.2174/1389201015666141126114945
DOI https://dx.doi.org/10.2174/1389201015666141126114945 |
Print ISSN 1389-2010 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4316 |
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