Saratov JOURNAL of Medical and Scientific Research

Zhevak T.N.

Saratov State Medical University n.a. V.I. Razumovsky Department of Pathological Physiology, Assistant Professor, Candidate of Medical Science

Haemopoiesis and its regulation at various stages of haemopoietic cell differentiation of bone marrow

Year: 2012, volume 8 Issue: №3 Pages: 711-719
Heading: Physiology and Pathophysiology Article type: Review
Authors: Chesnokova N.P., Morrison V.V., Ponukalina Е.V., Zhevak Т.N., Afanasieva G.A., Polutova N.V., Newazhay Т.A.
Organization: Saratov State Medical University
Summary:

Analysis of literature review has presented authors' opinion about regularities of consistent change of haemopoietic cell differentiation steps in bone marrow. Particular attention has been paid to the role of numerous cytokines (stem cell factor, fit-3ligand, interleukine-3, interleukine-4, interleukine-6, interleukine-7, tumor necrosis factor, colony stimulating factors, erythropoietin, thrombopoietin) in mechanisms of myelo-, erythro- and thrombocytopoiesis in the normal conditions. Results of investigation have showed the important significance of blood cytokine profile disturbances in pathogenesis of tumor progression in chronic lymphocytic leukaemia.

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Regularities of cytokine status changes in chronic lymphocytic leukaemia and their role in pathogenesis of progressive forms of disease

Year: 2012, volume 8 Issue: №2 Pages: 203-209
Heading: Physiology and Pathophysiology Article type: Original article
Authors: Zhevak T.N., Chesnokova N.P., Shelekhova T.V.
Organization: Saratov State Medical University
Summary:

The aim of the research is to study and to analyze results of investigations of cytokine blood profile in patients with B-cellular chronic lymphocytic leukaemia. Materials and methods: Complex investigation of 60 patients with B-cellular chronic lymphocytic leukaemia has been carried out. Patients have been randomized into 4 groups of observation according to the severety of disease (classification of Rai K. R., 1975). Accepted methods of somatic status and he-matologic indices as well as method of flow cytometry for establishment of B-lymphocytes immune phenotype have been used. Cytokine levels were detected by enzyme immunodetection. Results: Regular peculiarity of cytokine status change in different forms of chronic lymphocytic leukaemia development has been an increase of interleukine-4, interleukine-6, interleukine-7, interleukine-10 and tumor necrosis factor-alpha levels in serum that is one of the main pathogenetic factor of intercellular interaction abnormality in lymphoid tissue in the chronic lymphocytic leukaemia development. Conclusion: Increased indications of cytokines content in blood may be used as diagnostic criteria of pathology severity and in evaluation of effectiveness of complex therapy of the disease, as well as a classification sign of severity of chronic lymphocytic leukaemia

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Chronic lymphocytic leukaemia: contemporary conceptions of etiology, pathogenesis and peculiarities of clinical manifestations (review)

Year: 2011, volume 7 Issue: №2 Pages: 376-385
Heading: Physiology and Pathophysiology Article type: Review
Authors: Zhevak T.N., Chesnokova N.P., Shelekhova T.V.
Organization: Saratov State Medical University
Summary:

The research work presents an analysis of literature review and results of investigations on the problems of etiology, pathogenesis, classification and peculiarities of clinical manifestations of chronic lymphocytic leukaemia. Special attention is paid to both contemporary conceptions of carcinogenesis, reflecting the role of proto-oncogenes activation, an-tioncogenes and apoptosis genes suppression in mechanisms of neoplasia development and «specific mechanisms» of oncogenic transformation induction of B-lymphocytes and the subsequent development of the stages of promotion, progression and marked clinical manifestations of formation. Possibility of further improvement of use of immune phe-notype character and oncomarkers in diagnostics of chronic lymphocytic leukaemia clinical variants and in evaluation of effectiveness of its therapy has been indicated in the article

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