CHANGES IN THE MORPHOLOGICAL AND IMMUNOLOGICAL CHARACTERISTICS OF MEL CHER MELANOMA CELLS IN RESPONSE TO LOW CONCENTRATION OF EMBRYO CALF SERUM


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Abstract

Background. Human melanoma cell line mel Cher have a different cell forms and is appraised for grade of differentiation as low-diffe-rentiation melanoma. Objective. The purpose of this study was development and characterization of subclone mel Cher 5C. Materials and methods. For received subclone mel Cher 5C was applied method of colony formation in conditions with low concentration of embryo calf serum (5 %). Then was carry out selection spindle-like cells, their long cultivation and estimate morphological and immunological characteristics. Results. Subclone mel Cher 5C cells differed for morphology from primary line mel Cher. This cells had spindle-like form and had capacity to form spherical type colony on the surface of monolayer during their growth. Subclone cells has more intensive growth compare with cells of primary line. Subclone cells had differences by immunological phenotype and didn’t expressed antigene HLA-DR. Conclusions. Subclone cells had a fusiform shape, in the growth process of the formed spheroid colonies monomorphic type, did not Express antigens of histocompatibility complex II.

About the authors

L. F. Morozova

ФГБУ «Российский онкологический научный центр им. Н.Н. Блохина» Минздрава России

Author for correspondence.
Russian Federation

N. M. Suraeva

ФГБУ «Российский онкологический научный центр им. Н.Н. Блохина» Минздрава России

Email: nsuraeva@yandex.ru
Russian Federation

O. S. Burova

ФГБУ «Российский онкологический научный центр им. Н.Н. Блохина» Минздрава России

Russian Federation

A. E. Barmashov

ФГБУ «Российский онкологический научный центр им. Н.Н. Блохина» Минздрава России

Russian Federation

M. A. Baryshnikova

ФГБУ «Российский онкологический научный центр им. Н.Н. Блохина» Минздрава России

Russian Federation

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