Abstract:
AIM:To investigate the effect of recombinant alpha 2b-interferon (r alpha 2b-IFN) on functional capacity of peripheral blood (PB) T cells in rheumatoid arthritis (RA) patients and the relationship between functional characteristics of T lymphocytes and the disease activity. MATERIALS AND METHODS:PB mononuclear cells (PBMC) were separated by Ficoll-Verografine++ gradient centrifugation from 24 healthy donors (HD) and 75 RA patients 19 of which were treated with r alpha 2b-IFN (realdiron, Biofa, Lithuania) in the dosage 1 million IU i.m. each other day for 20 days, 10 injections a course. Cell surface markers (CD3, CD4, CD8) and adhesion molecules (CD18, CD54, CD2) were analyzed using specific monoclonal antibodies (MoAbs) and flow cytometry on the PBMC, freshly isolated and treated for 72 hours with medium alone, PHA, r alpha 2b-IFN and their combination. The proliferative response of PBMC to MoAbs for CD3, PHA and r alpha 2b-IFN were assessed by 3H-thymidine incorporation. The percentage of spontaneous and inducing apoptosis was quantified by flow cytometry using propidium iodide staining. RESULTS:The expression of CD18 was lower on RA PB lymphocytes compared to HD PB lymphocytes (p < 0.05). After stimulation of PBMC in both RA patients and HD with PHA, percentages of CD2+, CD3+, CD4+, CD18+ cells significantly diminished (p < 0.05), whereas the percentages of CD54+ and CD18+ (p < 0.05) cells increased. We have found three types of RA PB lymphocytes response to complex factors in vitro: 1) the presence of the proliferative response to T-mitogens but not to r alpha 2b-IFN (56% of the patients); 2) the presence of the increased proliferative response to T-mitogens and r alpha 2b-IFN (17% of the patients); 3) the absence of the proliferative response to T-mitogens and r alpha 2b-IFN (27% of the patients). PBMC of HD demonstrate only the first type of the response. R2 alpha b-IFN demonstrated own mitogenic effect and increased mitogen-induced proliferation in PBMC cultures with a high proliferative response to T-mitogens. The levels of spontaneous and inducing apoptosis were increased in RA PB lymphocytes compared to HD. After stimulation with PHA, RA PB lymphocytes preferentially underwent apoptosis whereas cells of HD proliferated. High disease activity correlated positively with an increase of a proliferative response to mitogens and apoptosis and a decrease in the percentage of lymphocytes, expressed adhesion molecules. The treatment with r alpha 2b-IFN induces changes in T-cell response to mitogens similarly to those after incubation with r alpha 2b-IFN in vitro before treatment. CONCLUSION:Functional capacity of RA PB lymphocytes relates to the disease activity. Inhibitory or stimulatory effects of r alpha 2b-IFN depend on functional activity of RA lymphocytes. Using the test with alpha 2b-IFN incubation, we may predict changes of apoptosis and proliferation levels caused by different agents in RA lymphocytes after treatment with r alpha 2b-IFN.
journal_name
Ter Arkhjournal_title
Terapevticheskii arkhivauthors
Iarilina AA,Nikonova MF,Litvina MM,Balabanova RM,Iarilin AAsubject
Has Abstractpub_date
2000-01-01 00:00:00pages
9-17issue
5eissn
0040-3660issn
2309-5342journal_volume
72pub_type
杂志文章abstract:AIM:to analyze well-known risk factors (RFs), such as age, immunophenotype, baseline leukocytosis, enhanced lactate dehydrogenase (LDH) activity, time to achieve complete remission, a risk group, and cytogenetic abnormalities) in patients with acute lymphoblastic leukemia (ALL) in the use of the ALL-2009 protocol. SUB...
journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
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更新日期:2016-01-01 00:00:00
abstract::The authors provide the data of many years of study into the morphofunctional status of the gastroduodenal system in 396 patients with peptic ulcer exposed to staged rehabilitation treatment. High medical and economic efficacy of the method is demonstrated. Approaches to the improvement of the results of staged rehabi...
journal_title:Terapevticheskii arkhiv
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doi:
更新日期:1985-01-01 00:00:00
abstract::Diagnostic algorithms for the recognition of diabetic angiopathies have been developed: an algorithm for the recognition of the most important syndromes of vascular involvement in patients with diabetes mellitus; an algorithm for the recognition of stages of diabetic retinopathy, and an algorithm for the recognition o...
journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:1986-01-01 00:00:00
abstract:AIM:We aimed to assess autoantibodies to M2-cholinoceptors (M2-CR) in patients with paroxysmal lone atrial fibrillation (AF) and in patients with AF and arterial hypertension (AH). MATERIALS AND METHODS:100 patients with lone AF and 84 patients with AF and AH were included. Patients underwent clinical blood and urinal...
journal_title:Terapevticheskii arkhiv
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doi:10.26442/00403660.2019.09.000280
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journal_title:Terapevticheskii arkhiv
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
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更新日期:2008-01-01 00:00:00
abstract::A clinicopsychological study of 130 patients with peptic ulcer and chronic gastritis with secretory insufficiency at hospital and out-patient stages of rehabilitation made it possible to reveal an inadequate (neurotic) attitude to disease in most of them. The most common types of personal reaction of the patients to d...
journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:1985-01-01 00:00:00
abstract::The use of antiretroviral drugs (ARVDs) in a mother and a child can reduce the risk of vertical transmission of human immunodeficiency virus (HIV) to less than 1%; therefore, highly active antiretroviral therapy is used in all pregnant women regardless of indications for HIV-infection treatment. The major requirements...
journal_title:Terapevticheskii arkhiv
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doi:
更新日期:2013-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章,评审
doi:
更新日期:2011-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 临床试验,杂志文章
doi:
更新日期:2005-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 临床试验,杂志文章
doi:
更新日期:2000-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:1986-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:1985-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
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pub_type: 杂志文章,评审
doi:
更新日期:2014-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:2008-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:1989-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 临床试验,杂志文章,多中心研究
doi:
更新日期:1990-01-01 00:00:00
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pub_type: 临床试验,杂志文章,随机对照试验
doi:
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pub_type: 杂志文章,评审
doi:
更新日期:2011-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
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更新日期:2013-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:1991-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:1984-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:1988-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:1990-01-01 00:00:00
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pub_type: 杂志文章
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更新日期:2009-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:1995-01-01 00:00:00
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journal_title:Terapevticheskii arkhiv
pub_type: 杂志文章
doi:
更新日期:1984-01-01 00:00:00