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L V Uryvaev N A Parasiuk K S Ionova T G Mikheeva A Iu Zlobin T M Skvortsova E E Mel'nikova O P Glushchenko D K L'vov 《Voprosy virusologii》1990,35(4):322-326
Biological properties of 6 variants of monoclonal antibodies (MAb) to Karelian fever virus, a member of the alpha-virus serocomplex Sindbis-WEE, produced by the available hybridomas. The productivity of hybridomas of the "Karel" series in tissue culture and in cultivation as ascitic fluid was evaluated. Among the antibodies analysed, all were specific to envelope proteins, of them 2 were against protein E2 and four against protein E1. Comparison of MCA biologic activity (neutralizing, antihemagglutinating activities, participation in immunofluorescence, EIA, and immune blotting) allows one to distinguish four different hybridomas among them producing specific antibodies differing in their properties. 相似文献
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High-dose immunosuppressive therapy with autologous hematopoietic stem cell transplantation as a treatment option in multiple sclerosis 总被引:1,自引:0,他引:1
Shevchenko YL Novik AA Kuznetsov AN Afanasiev BV Lisukov IA Kozlov VA Rykavicin OA Ionova TI Melnichenko VY Fedorenko DA Kulagin AD Shamanski SV Ivanov RA Gorodokin G 《Experimental hematology》2008,36(8):922-928
High-dose immunosuppressive therapy (HDIT) with autologous hematopoietic stem cell transplantation (auto-HSCT) is a new and promising approach to the treatment of multiple sclerosis (MS) patients because currently there are no effective treatment methods for this disease. In this article, we present results of a prospective clinical study of efficacy of HDIT + auto-HSCT in MS patients. The following treatment strategies were employed in the study: "early," "conventional," and "salvage/late" transplantation. Fifty patients with various types of MS were included in this study. No toxic deaths were reported among 50 MS patients; transplantation procedure was well-tolerated by the patients. The efficacy analysis was performed in 45 patients. Twenty-eight patients achieved an objective improvement of neurological symptoms, defined as at least 0.5-point decrease in the Expanded Disability Status Scale (EDSS) score as compared to the baseline and confirmed during 6 months, and 17 patients had disease stabilization (steady EDSS level as compared to the baseline and confirmed during 6 months). The progression-free survival at 6 years after HDIT + auto-HSCT was 72%. Magnetic resonance imaging data were available in 37 patients before transplantation showing disease activity in 43.3%. No active, new, or enlarging lesions were registered in patients without disease progression. In conclusion, HDIT + auto-HSCT suggests positive results in management of patients with different types of MS. Identification of treatment strategies based on the level of disability, namely "early," "conventional," and "salvage/late" transplantation, appears to be feasible to improve treatment outcomes. 相似文献
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M. B. Antsiferov V. S. Pronin T. M. Alekseeva O. A. Ionova E. Y. Martynova Yu. E. Poteshkin N. A. Chubrova K. Y. Zherebchikova 《Problemy e?ndokrinologii》2021,67(1):20
BackgraundBackgraund: Acromegaly is a multi-organ disabling disease, the effectiveness of treatment of which directly depends on timely diagnosis. Latent course and delayed diagnosis increase the exposure of pathological hypersecretion of growth hormone and insulin-like growth factor-1, contributing to the development of irreversible systemic and metabolic changes in the body that negatively affect survival.AimsAims: The aim of the study was to clinically test a comprehensive diagnostic approach using selective screening to detect cases of acromegaly in patients with combined somatic diseases.Materials and methodsMaterials and methods: The diagnostic search algorithm included a 2-stage questionnaire, expert assessment of the clinical status, laboratory and instrumental examination. The inpatient examination included the use of additional laboratory and instrumental methods and expert evaluation of the results obtained by filling out a doctor’s questionnaire. When the score was higher than 18 points, a more specific examination was performed: double determination of the insulin-like growth factor-1 level, oral glucose tolerance test with determination of the nadir of growth hormone value, and MRI of the brain with contrast enhancement. The diagnosis of acromegaly was made on the basis of personal data, expert assessment of the clinical status, results of laboratory and instrumental examinations.ResultsResults: A survey of 1249 patients with combined systemic and metabolic disorders conducted using the point system allowed us to suspect acromegaly in 367 patients (29.4%), who were offered further examination. The majority of patients were previously seen by specialists for diabetes mellitus (79.3%) or thyroid pathology (10%). In the result of inpatient examination of 329 patients, 35 (10.6%) patients showed an increase in the blood level of IGF-I. In 19 patients, a persistent increase in the level of IGF-I was combined with the absence of GH suppression of less than 0.4 ng/ml against the background of glucose load. During MRI in 9 patients, pituitary adenoma was detected (in 2 — microadenoma and 7 — macroadenoma).ConclusionsConclusions: As a result of the study, among the group of 1249 patients (mean age 58±13 years) with the presence of concomitant diseases, 9 newly identified patients with acromegaly were found who were prescribed adequate treatment. The introduction of selective screening technology into the practice of an endocrinologist will improve the effectiveness of diagnostic search for patients with acromegaly, more accurately assess the prevalence of the disease in Russia and the need for specialized medical care. 相似文献
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V G Ionova E A Sazanova N P Sergeenko 《Aviakosmicheskaia i ekologicheskaia meditsina》2004,38(2):33-37
Effects of geomagnetic disturbances on the rheological characteristics of blood and the homeostasis system were studies in 62 essentially healthy men. Rheological blood parameters, i.e. viscidity, hematocrit, fibrinogen, and erythrocyte and thrombocyte aggregation demonstrated statistically significant responses to alterations in the solar and geomagnetic activities. The authors raise a discussion about mechanisms of the physical processes in the near-Earth space on the blood rheological parameters. 相似文献
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