Lymphocyte apoptosis and immune response in patients with drug-resistant fibro-cavernous tuberculosis with different prevalence of destructive changes in the lungs

Disturbances of programmed cell death are at the heart of many immunopathological processes in tuberculosis. The relationship between activity of apoptosis and severity of immune response is of particular interest in the patients with fibrous-cavernous drug-resistant pulmonary tuberculosis at differ...

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Autores principales:	B. E. Knoring, N. I. Davydova, A. O. Avetisyan, P. K. Yablonskii
Formato:	article
Lenguaje:	RU
Publicado:	SPb RAACI 2020
Materias:	pulmonary tuberculosis apoptosis lymphocytes immune response Immunologic diseases. Allergy RC581-607
Acceso en línea:	https://doaj.org/article/be447958f19c4938b0ee8b8dd2935ab1
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spelling	oai:doaj.org-article:be447958f19c4938b0ee8b8dd2935ab12021-11-18T08:03:49ZLymphocyte apoptosis and immune response in patients with drug-resistant fibro-cavernous tuberculosis with different prevalence of destructive changes in the lungs1563-06252313-741X10.15789/1563-0625-2019-6-1099-1114https://doaj.org/article/be447958f19c4938b0ee8b8dd2935ab12020-01-01T00:00:00Zhttps://www.mimmun.ru/mimmun/article/view/1781https://doaj.org/toc/1563-0625https://doaj.org/toc/2313-741XDisturbances of programmed cell death are at the heart of many immunopathological processes in tuberculosis. The relationship between activity of apoptosis and severity of immune response is of particular interest in the patients with fibrous-cavernous drug-resistant pulmonary tuberculosis at different extent of the process. The paper concerns features of apoptosis, proliferative activity of lymphocytes, cytokine’s production and subpopulation composition of peripheral blood lymphocytes in the patients with uni- and bilateral fibrous-cavernous drug-resistant pulmonary tuberculosis. It was shown that apoptotic rates in the examined patients is closely related to extent of pathological process. Extent of early and late apoptosis and, accordingly, the number of living cells reflected the progression degree of destructive process in the lungs affected by fibrous-cavernous tuberculosis. The possibility of predicting the extent of destructive changes in affected lungs based on expression of apoptosis markers is presumed. Index of activity for early apoptosis of T lymphocytes, exceeding normal values by 25% and higher were clinically significant. A clear relationship between the immune response and apoptosis level was revealed. Ambiguous changes of immunological parameters were shown with increasing apoptosis associated with the severity of destructive changes. Increased apoptotic cell death in all patients with fibrous-cavernous tuberculosis, regardless of extent of the process, was associated with inhibition of antigen-specific proliferative response, decrease in CD25+ lymphocytes, increased numbers of B cells, along with decreased production of IFNγ, IL-8, and increased IL-2 response to PPD. In cases of unilateral destruction, increased apoptotic rates were accompanied by a decrease in the CD95+ cell numbers, and a decrease in TNFα production. On the contrary, in patients with bilateral destruction it was characterized by a high content of CD95+ lymphocytes, increased production of TNFα and IL-10. An index of extremely unfavorable course of the process is a combination of high apoptosis levels and low antigen-specific response with low expression of CD25+ cells, increased number of CD19+ and CD95+ lymphocytes, decreased production of IFNγ, IL-8 and increased production of IL-2, TNFα, IL-10. The relationships found in the work indicate that the combined assessment of apoptosis indexes, together with immunological parameters, has a higher informative value when assessing the state of immunocompetent cells, the origin of the process and trends for its development. Detecting the features of programmed lymphocyte death, in conjunction with immune parameters, allows to evaluate the role of apoptosis in each single case and to predict the course of the process, with subsequent justification of immunotherapy administration.B. E. KnoringN. I. DavydovaA. O. AvetisyanP. K. YablonskiiSPb RAACIarticlepulmonary tuberculosisapoptosislymphocytesimmune responseImmunologic diseases. AllergyRC581-607RUMedicinskaâ Immunologiâ, Vol 21, Iss 6, Pp 1099-1114 (2020)
institution	DOAJ
collection	DOAJ
language	RU
topic	pulmonary tuberculosis apoptosis lymphocytes immune response Immunologic diseases. Allergy RC581-607
spellingShingle	pulmonary tuberculosis apoptosis lymphocytes immune response Immunologic diseases. Allergy RC581-607 B. E. Knoring N. I. Davydova A. O. Avetisyan P. K. Yablonskii Lymphocyte apoptosis and immune response in patients with drug-resistant fibro-cavernous tuberculosis with different prevalence of destructive changes in the lungs
description	Disturbances of programmed cell death are at the heart of many immunopathological processes in tuberculosis. The relationship between activity of apoptosis and severity of immune response is of particular interest in the patients with fibrous-cavernous drug-resistant pulmonary tuberculosis at different extent of the process. The paper concerns features of apoptosis, proliferative activity of lymphocytes, cytokine’s production and subpopulation composition of peripheral blood lymphocytes in the patients with uni- and bilateral fibrous-cavernous drug-resistant pulmonary tuberculosis. It was shown that apoptotic rates in the examined patients is closely related to extent of pathological process. Extent of early and late apoptosis and, accordingly, the number of living cells reflected the progression degree of destructive process in the lungs affected by fibrous-cavernous tuberculosis. The possibility of predicting the extent of destructive changes in affected lungs based on expression of apoptosis markers is presumed. Index of activity for early apoptosis of T lymphocytes, exceeding normal values by 25% and higher were clinically significant. A clear relationship between the immune response and apoptosis level was revealed. Ambiguous changes of immunological parameters were shown with increasing apoptosis associated with the severity of destructive changes. Increased apoptotic cell death in all patients with fibrous-cavernous tuberculosis, regardless of extent of the process, was associated with inhibition of antigen-specific proliferative response, decrease in CD25+ lymphocytes, increased numbers of B cells, along with decreased production of IFNγ, IL-8, and increased IL-2 response to PPD. In cases of unilateral destruction, increased apoptotic rates were accompanied by a decrease in the CD95+ cell numbers, and a decrease in TNFα production. On the contrary, in patients with bilateral destruction it was characterized by a high content of CD95+ lymphocytes, increased production of TNFα and IL-10. An index of extremely unfavorable course of the process is a combination of high apoptosis levels and low antigen-specific response with low expression of CD25+ cells, increased number of CD19+ and CD95+ lymphocytes, decreased production of IFNγ, IL-8 and increased production of IL-2, TNFα, IL-10. The relationships found in the work indicate that the combined assessment of apoptosis indexes, together with immunological parameters, has a higher informative value when assessing the state of immunocompetent cells, the origin of the process and trends for its development. Detecting the features of programmed lymphocyte death, in conjunction with immune parameters, allows to evaluate the role of apoptosis in each single case and to predict the course of the process, with subsequent justification of immunotherapy administration.
format	article
author	B. E. Knoring N. I. Davydova A. O. Avetisyan P. K. Yablonskii
author_facet	B. E. Knoring N. I. Davydova A. O. Avetisyan P. K. Yablonskii
author_sort	B. E. Knoring
title	Lymphocyte apoptosis and immune response in patients with drug-resistant fibro-cavernous tuberculosis with different prevalence of destructive changes in the lungs
title_short	Lymphocyte apoptosis and immune response in patients with drug-resistant fibro-cavernous tuberculosis with different prevalence of destructive changes in the lungs
title_full	Lymphocyte apoptosis and immune response in patients with drug-resistant fibro-cavernous tuberculosis with different prevalence of destructive changes in the lungs
title_fullStr	Lymphocyte apoptosis and immune response in patients with drug-resistant fibro-cavernous tuberculosis with different prevalence of destructive changes in the lungs
title_full_unstemmed	Lymphocyte apoptosis and immune response in patients with drug-resistant fibro-cavernous tuberculosis with different prevalence of destructive changes in the lungs
title_sort	lymphocyte apoptosis and immune response in patients with drug-resistant fibro-cavernous tuberculosis with different prevalence of destructive changes in the lungs
publisher	SPb RAACI
publishDate	2020
url	https://doaj.org/article/be447958f19c4938b0ee8b8dd2935ab1
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Lymphocyte apoptosis and immune response in patients with drug-resistant fibro-cavernous tuberculosis with different prevalence of destructive changes in the lungs

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