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Experimental Oncology

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https://www.readbyqxmd.com/read/29284784/tgf-%C3%AE-1%C3%A2-expression-by-glioma-c6%C3%A2-cells-in-vitro
#1
L D Liubich, L Kovalevska, M I Lisyany, V M Semenova, T A Malysheva, L P Stayno, V V Vaslovych
The aim of the work was to study the impact of fetal rat brain cell supernatant (FRBCS) on the expression of transforming growth factor β1 (TGF-β1) and p53 in C6 cells of rat glioma in vitro. MATERIALS AND METHODS: FRBCS was obtained from suspensions of fetal rat brain cells on the 14th (E14) day of gestation. C6 glioma cells were cultured for 48 h in the presence of FRBCS or FRBCS + anti-TGF-β1 monoclonal antibody. Immunocytochemical staining for TGF-β1 and p53 was performed...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284783/cd150-and-cd180-are-involved-in-regulation-of-transcription-factors-expression-in-chronic-lymphocytic-leukemia-cells
#2
I Gordiienko, L Shlapatska, V M Kholodniuk, L Kovalevska, T S Ivanivskaya, S P Sidorenko
BACKGROUND: Sequential stages of B-cell development is stringently coordinated by transcription factors (TFs) network that include B-lineage commitment TFs (Ikaros, Runx1/Cbfb, E2A, and FOXO1), B-lineage maintenance TFs (EBF1 and PAX5) and stage specific set of TFs (IRF4, IRF8, BCL6, BLIMP1). Deregulation of TFs expression and activity is often occurs in malignant B cells. The aim of this study was to evaluate TFs expression in chronic lymphocytic leukemia cells taking into consideration CD150 cell surface expression...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284782/cytotoxic-activity-of-metformin-in-vitro-does-not-correlate-with-its-antitumor-action-in-vivo
#3
O N Pyaskovskaya, D L Kolesnik, A G Fedorchuk, G V Gorbik, G I Solyanik
It is known that metformin is a hypoglycemic drug used to treat type II diabetes mellitus. Recently active studies of its antitumor activity in relation to different types of malignant cells are conducted. AIM: To determine the relationship between cytotoxic activity of metformin in vitro and its antitumor activity in vivo. MATERIALS AND METHODS: The rat C6 glioma cell line and mouse Lewis lung carcinoma cells (LLC) were used in this work. The number of living cells in the cytotoxic test was evaluated using sulforhodamine B...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284781/dna-damage-in-tumor-cells-and-peripheral-blood-lymphocytes-of-endometrial-cancer-patients-assessed-by-the-comet-assay
#4
L G Buchynska, O V Brieieva, N P Iurchenko, V V Protsenko, S V Nespryadko
To date, genome instability is considered to be a common feature not only of tumor cells, but also of non-malignant cells of cancer patients, including peripheral blood lymphocytes (PBLs). The issue of the association between genome instability in tumor cells and PBLs, as well as of its relationship with tumor progression remains poorly understood. AIM: To evaluate the level DNA damage in tumor cells and PBLs of endometrial cancer (EC) patients with regard to clinical and morphological characteristics of the patients...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284780/stress-during-puberty-facilitates-precancerous-prostate-lesions-in-adult-rats
#5
D Herrera-Covarrubias, G Coria-Avila, M E Hernandez, N Ismail
Puberty can be a critical period for the long-term development of diseases, especially for stress-related disorders that depend on neuroendocrine and immune responses. Some organs like the prostate are prone to diseases that result from neuroendocrine or immune challenges, such as cancer. AIM: In the present study, we assessed the long-term effects of an acute pubertal stressor (immune-challenge) on the development of precancerous lesions in adult rats, and compared them with testosterone-induced prostatic lesions...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284779/adsorption-rheological-properties-of-blood-serum-in-lung-cancer-patients
#6
Y V Dumanskiy, O Y Stoliarova, O V Syniachenko, M F Giulmamedova, Y A Potapov
The aim and objectives of the study were to investigate the state of adsorption-rheological properties of blood (ARPB) in patients with different clinical course of lung cancer (LC), the detection of violations of surface-active, viscoelastic and relaxation properties of blood serum, their association with tumor markers, the evaluation of the prognostic value of initial indexes in the development of complications from radiochemotherapy. PATIENTS AND METHODS: The study included 115 patients with LC at the age from 24 to 80 years (average age 58 years), among whom there were 78% men and 22% women...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284778/alterations-of-antitumor-and-metabolic-responses-in-l5178y-r-lymphoma-bearing-mice-after-only-30-minute-daily-chronic-stress-exposure
#7
D Caballero-Hernandez, D Najera-Valderrabano, A Valadez-Lira, M Franco-Molina, R Gomez-Flores, P Tamez-Guerra, R Tamez-Guerra, C Rodríguez-Padilla
AIM: In stress research, reducing times of stress induction may contribute to improving the well-being of experimental animals, especially in cancer models, already under physiological distress. To support this idea, we evaluated the effects of a short-timed stress protocol on endocrine, metabolic and immune indicators in mice bearing the L5178Y-R lymphoma. MATERIALS AND METHODS: A 30-minute daily stress protocol was applied for 28 days to healthy and lymphoma-bearing BALB/c mice; body weight, plasma levels of corticosterone, norepinephrine, Th1/Th2 cytokines, insulin, and leptin, were measured...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284777/assessment-of-the-effect-of-wave-device-application-on-morphological-changes-in-organs-and-cells-of-irradiated-animals
#8
V Bebeshko, I Homolyako, V Grynchyshyn
AIM: To study the effect of the Device for wave influence on biological objects on the prevention of the development of acute radiation sickness and chronic radiation syndrome in vivo. MATERIALS AND METHODS: The studies were performed on white rats irradiated at a dose of 8 Gy. The experimental group of irradiated rats was treated with a wave Device (Patent of Ukraine No. 53568) once, for 2.5 min, 1.5 h after irradiation. Their organs were processed by standard histologic methods...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284776/the-tgf-beta%C3%A2-smad-pathway-is-inactivated-in%C3%A2-cronic%C3%A2-lymphocytic-leukemia-cells
#9
A Matveeva, L Kovalevska, I Kholodnyuk, T Ivanivskaya, E Kashuba
AIM: To study the status of the tumor growth factor beta (TGFB) pathway in chronic lymphocytic leukemia (CLL) cells and to uncover molecular details underlying CLL cell genesis. OBJECTS AND METHODS: The study was conducted on peripheral blood samples of patients with CLL using the following methods: RNA isolation, analysis of expression of transcription factors using RT2 profiler assay, bioinformatics analysis of publicly available data bases on expression. RESULTS: We have shown that the TGFB - SMAD canonical pathway is not active in CLL cells...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284775/l-arginine-is-an-effective-medication-for-prevention-of-endothelial-dysfunction-a-predictor-of-anthracycline-cardiotoxicity-in-patients-with-acute-leukemia
#10
I Skrypnyk, G Maslova, T Lymanets, I Gusachenko
AIM: To evaluate the effectiveness of L-arginine in the prevention of endothelial dysfunction, which may be a predictor of anthracycline-induced myocardial injury, in patients with acute leukemia (AL) on the background of anthracycline antibiotics low cumulative doses from 100 to 200 mg/m2. MATERIALS AND METHODS: A total of 81 adult AL patients (38 males and 43 females with the age of 16-59 years) were studied. The patients were divided into two groups: group I (n = 34), AL patients treated with chemotherapy (CT) and L-arginine hydrochloride; group II (n = 47) - AL patients treated with CT only...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284774/volodymyr-serhiiovych-mosiienko-1934-2017
#11
(no author information available yet)
No abstract text is available yet for this article.
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284773/phenotypic-features-of-endometrial-tumors-in-patients-with-family-history-of-cancer
#12
L G Buchynska, N P Iurchenko, N M Glushchenko, I P Nesina
AIM: To determine the peculiarities of expression of a number of proteins-regulators of the cell cycle in endometrial cancer (EC) cells in patients with a family history of oncological pathologies. PATIENTS AND METHODS: 95 EC patients (stage І-ІІ) were included into the study. Clinical-genealogical analysis was performed. 54 patients (group I) had healthy relatives, and in families of 41 patients (group II) an aggregation of malignant tumors of different genesis (mainly tumors of the gastrointestinal tract and the female reproductive system) was recorded...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29284772/consumptive-hypothyroidism-an-unusual-paraneoplastic-manifestation-of-a-gastric-gastrointestinal-stromal-tumor
#13
T Patial, K Sharma, D Thakur, G Gupta
A 42-year-old hypothyroid shepherd presented with a progressive abdominal lump accompanied by nausea and abdominal fullness. In addition, he had worsening hypothyroidism, despite supranormal doses of thyroxine. Computed tomography of the abdomen was suggestive of a mass lesion in relation to the stomach. A resection of the mass was done and the histopathology was suggestive of gastrointestinal stromal tumor. After surgery, the patient became euthyroid. We believe the patient had consumptive hypothyroidism due to the tumor...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/28967645/association-of-cd44-cd24-low-with-markers-of-aggressiveness-and-plasticity-of-cell-lines-and%C3%A2-tumors-of-patients-with-breast-cancer
#14
V F Chekhun, N Y Lukianova, S V Chekhun, N O Bezdieniezhnykh, T V Zadvorniy, T V Borikun, L Z Polishchuk, O М Klyusov
AIM: To search for additional molecular-biological markers of cancer stem cell (CSC) involved in the development of intra-tumor heterogeneity for the detection of features of the breast cancer (BC) pathogenesis. MATERIALS AND METHODS: Expression of estrogen receptors (ER), progesterone receptors (PR), Her2/neu, E- and N-cadherin, CD24, CD44, Bcl-2, Bax, Slug, P-gp, glutathione-S-transferase (GST) and metallothionein in cell lines was determined by the immunocytochemical method...
September 2017: Experimental Oncology
https://www.readbyqxmd.com/read/28967644/umbilical-cord-blood-banking-in-the-worldwide-hematopoietic-stem-cell-transplantation-system-perspectives-for-ukraine
#15
T O Kalynychenko
Significant progress in the promotion of procedural technologies associated with the transplantation of hematopoietic stem cells caused a rapid increase in activity. The exchange of hematopoietic stem cells for unrelated donor transplantations is now much easier due to the relevant international professional structures and organizations established to support cooperation and standard setting, as well as rules for the functioning of both national donor registries and cord blood banks. These processes are increasing every year and are contributing to the outpacing rates of development in this area...
September 2017: Experimental Oncology
https://www.readbyqxmd.com/read/28967643/on-the-40-th-anniversary-of-the-international-symposium-the-role-of-stem-cells-in%C3%A2-leukemo-and%C3%A2-carcinogenesis-in-kyiv-again
#16
(no author information available yet)
No abstract text is available yet for this article.
September 2017: Experimental Oncology
https://www.readbyqxmd.com/read/28967642/comparison-of-various-tissue-and-cell-therapy-approaches-when-restoring-ovarian-hepatic-and-kidney-s-function-after-chemotherapy-induced-ovarian-failure
#17
M M Kozub, V Y Prokopiuk, K P Skibina, O V Prokopiuk, N I Kozub
About 1% of women suffer from premature ovarian failure, which leads to a significant deterioration in the life quality. Most often this condition is caused by performed chemotherapy, autoimmune diseases, surgery performed on ovaries, uterus, or fallopian tubes. The aim of this study was to compare different approaches of tissue and cell therapy in restoring the sexual function in case of ovarian failure induced by chemotherapy. MATERIALS AND METHODS: The study was carried out in BALB/c mice with the modeled ovarian failure, induced by cyclophosphamide and busulfan...
September 2017: Experimental Oncology
https://www.readbyqxmd.com/read/28967641/large-scale-expansion-and-characterization-of-human-adult-neural-crest-derived-multipotent-stem-cells-from-hair-follicle-for-regenerative-medicine-applications
#18
R G Vasyliev, A E Rodnichenko, O S Gubar, A V Zlatska, I M Gordiienko, S N Novikova, D O Zubov
AIM: The purpose of this work was to obtain, multiply and characterize the adult neural crest-derived multipotent stem cells from human hair follicle for their further clinical use. MATERIALS AND METHODS: Adult neural crest-derived multipotent stem cells were obtained from human hair follicle by explant method and were expanded at large-scale up to a clinically significant number. The resulted cell cultures were examined by flow cytometry and immunocytochemical analysis...
September 2017: Experimental Oncology
https://www.readbyqxmd.com/read/28967640/endometrial-stromal-cells-isolation-expansion-morphological-and-functional-properties
#19
A V Zlatska, A E Rodnichenko, O S Gubar, D O Zubov, S N Novikova, R G Vasyliev
AIM: We aimed to study biological properties of human endometrial stromal cells in vitro. MATERIALS AND METHODS: The endometrium samples (n = 5) were obtained by biopsy at the first phase of the menstrual cycle from women with endometrial hypoplasia. In all cases, a voluntary written informed consent was obtained from the patients. Endometrial fragments were dissociated by enzymatic treatment. The cells were cultured in DMEM/F12 supplemented with 10% FBS, 2 mМ L-glutamine and 1 ng/ml FGF-2 in a multi-gas incubator at 5% CO2 and 5% O2...
September 2017: Experimental Oncology
https://www.readbyqxmd.com/read/28967639/tissue-engineered-bone-for-treatment-of-combat-related-limb-injuries
#20
R G Vasyliev, V M Oksymets, A E Rodnichenko, A V Zlatska, O S Gubar, I M Gordiienko, D O Zubov
AIM: Based on our preliminary positive clinical results with use of cultured bone marrow-derived multipotent mesenchymal stem/stromal cells in traumatology, our aim was to develop living three-dimensional tissue-engineered bone equivalent transplantation technology for restoration of critical sized bone defects caused by combat related high energy trauma. MATERIALS AND METHODS: To fabricate bone equivalent we used devitalized allogeneic bone scaffolds (blocks and chips) seeded with cultured autologous cells: bone marrow-derived multipotent mesenchymal stem/stromal cells in mix with periosteal progenitor cells and endothelial progenitor cells...
September 2017: Experimental Oncology
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