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2. Cultured Cells Isolated from CNS Indolent B- Cell Lymphoma Have Characteristics of Mesenchymal Stem Cells: A Clinical Case and Scientific Research

Author

Tumagelova-Yuzeir, Kalina, Ivanova-Todorova, Ekaterina, Naydenov, Emanuil, Velikova, Tsvetelina, Krasimirova, Ekaterina, Belemezova, Kalina, Dikov, Tihomir, Penkov, Marin, Nachev, Sevdalin, Genova, Margarita, and Kyurkchiev, Dobroslav

Subjects
Immunomodulation, CNS lymphoma, Mesenchymal stem cells, Case Report, Indolent B- cell lymphoma, lcsh:Neoplasms. Tumors. Oncology. Including cancer and carcinogens, lcsh:RC254-282, Indolent B-cell lymphoma
Abstract

The case report presented here describes the culturing and characterization of mesenchymal stem cells (MSCs) isolated from a primary indolent B-cell lymphoma, located in the CNS of an immunocompetent patient. The presence of such cells in the tumor mass can further elucidate the pathogenesis of the disease and reveal possible future approaches for its treatment. We present a case report of a 61-year-old immunocompetent woman who had an episode of confusion with numbness in the right leg and the right arm, slurred and dysarthric speech and urine incontinence. The peripheral blood tests were normal. The neurological examination demonstrated a latent hemi-paresis of the right side, aphasia, discrete hypertension and bradypsychia. The ophthalmologic examination revealed left quadranopsia. Computed tomography and magnetic resonance imaging of the brain showed a 3.5 × 2.9 cm infiltrative neoplastic lesion involving the left temporal parenchyma. The morphological features and the immunophenotyping of the lymphoid cell composition were consistent with low-grade (indolent) B-lymphocyte non-Hodgkin’s lymphoma of CNS. Cells, isolated from the resected tumor mass, were cultured in vitro in medium containing 10% fetal bovine serum (FBS) and characterized by their morphology, growth, phenotype, clonogenicity and osteogenic differentiation. It was apparent that the cultured cells isolated from the indolent B- cell lymphoma located in the CNS have the basic characteristics of mesenchymal stem cells. The presence of MSCs is described for the very first time in such type of tumor. The well-known immunosuppressive properties of the MSCs may represent another mechanism favouring the tumor growth.

Published
2018

7. P-178 YI Specific mRNA Expression Profile in Inflamed Colonic Mucosa Derived from Patients with Inflammatory Bowel Disease

Author

Altankova Iskra, Ivanova-Todorova Ekaterina, Velikova Tsvetelina, Stanilova Spaska, Spassova Zoya, Karakolev Iliya, and Kyurkchiev Dobroslav

Subjects
Colonic mucosa, medicine.medical_specialty, business.industry, Mrna expression, Internal medicine, Gastroenterology, medicine, Immunology and Allergy, medicine.disease, business, Inflammatory bowel disease
Published
2014
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