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Experimental Oncology

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https://read.qxmd.com/read/30593762/oncology-in-the-mainstream-of-the-national-academy-of-sciences-of-ukraine-to-the-100th-anniversary-of-the-academy
#1
(no author information available yet)
No abstract text is available yet for this article.
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593761/clinical-significance-of-serum-caveolin-1-levels-in-gastric-cancer-patients
#2
F Tas, S Karabulut, K Erturk, D Duranyildiz
Caveolin-1 plays a significant role in the pathogenesis of various carcinomas and its expression affects the survival of cancer patients. However, the molecular function of caveolin-1 and its possible clinical importance has remained uncertain in gastric cancer. No clinical trial has examined serum caveolin-1 levels in gastric cancer patients so far, instead all available results were provided from studies conducted on tissue samples. In the current study, we analyzed the soluble serum caveolin-1 levels in gastric cancer patients, and specified its associations with the clinical factors and prognosis...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593760/vitamin-%C3%B0-activates-expression-of-%C3%B0-ebp-alpha-transcription-factor-and-g-csf-receptor-in-leukemic-k562-cells
#3
L P Shvachko, M P Zavelevich, D F Gluzman, I V Kravchuk, G D Telegeev
BACKGROUND: Chronic myeloid leukemia (CML) is a clonal hematopoietic stem cell disorder associated with the activity of BCR-ABL fusion oncogene. Tyrosine kinase inhibitors are the current treatment of CML, but secondary mutations finally contribute to therapy resistance and blast crisis of the disease. The search for the novel compounds for the effective control of CML is now in the spotlight. The progression of CML to blast crisis is correlated with down-modulation of C/EBP alpha. Therefore, C/EBP alpha may be considered as a putative target in differentiation therapies in myeloid leukemias...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593759/the-role-of-the-genetic-abnormalities-epigenetic-and-microrna-in-the-prognosis-of-chronic-lymphocytic-leukemia
#4
K Tari, Z Shamsi, H Reza Ghafari, A Atashi, M Shahjahani, S Abroun
Chronic lymphocytic leukemia (CLL) is increased proliferation of B-cells with peripheral blood and bone marrow involvement, which is usually observed in older people. Genetic mutations, epigenetic changes and miRs play a role in CLL pathogenesis. Del 11q, del l17q, del 6q, trisomy 12, p53 and IgVH mutations are the most important genetic changes in CLL. Deletion of miR-15a and miR-16a can increase bcl2 gene expression, miR-29 and miR-181 deletions decrease the expression of TCL1, and miR-146a deletion prevents tumor metastasis...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593758/rare-case-of-nodular-lymphoid-hyperplasia-of-left-lung-in-the-patient-with-previous-pulmonary-tuberculosis
#5
P V Kuzyk, М А Savchyna, S G Gychka
AIM: To describe the case of rare benign lymphoproliferative disorder - pulmonary nodular lymphoid hyperplasia in the patient with previous pulmonary tuberculosis. MATERIALS AND METHODS: In the case of pulmonary nodular lymphoid hyperplasia clinical, laboratory, instrumental and morphological examination was performed. RESULTS: 44-year-old woman in 7 years after successfully treated infiltrative drug-susceptible tuberculosis of the right lung, was hospitalized with a suspected tumor of the left lung root...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593757/metastatic-cardiac-tumors-literature-review-and-own-observation-of-testicular-tumor-metastasis-in-the-right-ventricle-of-the-heart
#6
L M Zakhartseva, L P Zakharova, K M Shatrova, G E Chitaeva, R M Vitovsky
BACKGROUND: Tumors of the heart are uncommon and usually benign (in 93% cases myxomas are observed). More often secondary, metastatic tumors are detected in the heart, as a rule, at pronounced progression of the malignant neoplasm with multiple lesions of other internal organs (lung, pleura, liver, etc.). Literature review on cardiac metastases of different tumors is given. CASE REPORT: Own observation of a young man with rare single metastasis of malignant testicular germ cell tumor with predominance of embryonic carcinoma in the right ventricle of the heart is presented; the primary tumor was detected after metastasis revealing...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593756/influence-of-ferromagnetic-nanocomposite-ferroplat-on-human-breast-cancer-cells-of-different-malignancy-degrees-pro-antioxidant-balance-and-energy-metabolism
#7
V F Chekhun, I N Todor, N Yu Lukianova, D M Horbyk, Yu V Lozovskaya, A P Burlaka, T V Borikun
AIM: To study the effect of Ferroplat (FrP) on the indexes of pro/antioxidant balance and energy metabolism in breast cancer cells of different malignancy degree and different sensitivity to drug therapy. MATERIALS AND METHODS: The study was carried out on breast cancer cells of low (T47D, MCF-7) and high malignancy degree (MCF-7/DDP (cisplatin-resistant), MDA-MB-231, MDA-MB-468) using cell culture techniques, immunocytochemical, biochemical, biophysical methods, flow cytometry and polarography...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593755/the-jak2-v617f-mutation-in-lung-cancer-caveat-emptor
#8
S E Langabeer
No abstract text is available yet for this article.
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593754/ber-gene-polymorphisms-associated-with-key-molecular-events-in-bladder-cancer
#9
M P Smal, T D Kuzhir, N V Savina, N V Nikitchenko, A I Rolevich, S A Krasny, R I Goncharova
AIM: Base excision repair (BER) gene polymorphisms are known to play an independent role in predisposition to developing different cancers as well as to be associated with clinicopathological traits of the disease modifying its clinical outcomes. One of the underlying mechanisms is presumed to include interplay between BER gene polymorphisms and key mutational, epigenetic and chromosomal events in tumor tissues. The present study was aimed at elucidating potential gene-gene interaction and assessing their mutual effects in bladder cancer (BC)...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593753/professor-volodymyr-oleksiiovych-shlyakhovenko-on-the-80th-birth-anniversary
#10
(no author information available yet)
In September 2018, Professor Volodymyr Oleksiiovych Shlyakhovenko, well-known Ukrainian scientist in the field of cancer biochemistry, celebrated his 80th anniversary.
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593752/serum-level-of-dipeptidyl-peptidase-4-as-a-potential-biomarker-for-medullary-thyroid-cancer
#11
R Abooshahab, E Niyazi, P Yaghmaie, H G Ghadaksaz, M Hedayati
AIM: Adipokines are the proteins secreted from adipose tissue and play an important role in the control of metabolism. Dipeptidyl peptidase-4 (DPP4) is a novel adipokine with different biological role. As indicated by various studies, serum levels of DPP4 had been associated with body mass index (BMI), insulin resistance, metabolic syndrome and malignancy. The aim of this study was to assess the serum levels of DPP4 in patients with medullary thyroid cancer (MTC) in comparison with these in the control group...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593751/expression-pattern-of-genes-associated-with-tumor-microenvironment-in-prostate-cancer
#12
G V Gerashchenko, O V Grygoruk, O A Kononenko, O P Gryzodub, E O Stakhovsky, V I Kashuba
AIM: To assess relative expression (RE) levels of CAF-, TAM-specific, immune defense-associated genes in prostate tumors and to show correlation of RE with clinical, pathological and molecular characteristics, with the aim to define clinically significant specific alterations in a gene expression pattern. METHODS: RE of 23 genes was analyzed by a quantitative polymerase chain reaction in 37 freshly frozen samples of prostate cancer tissues of a different Gleason score (GS) and at various tumor stages, compared with RE in 37 paired conventionally normal prostate tissue (CNT) samples and 20 samples of prostate adenomas...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593750/overexpression-of-the-mitochondrial-ribosomal-protein-s18-2-in-the-invasive-breast-carcinomas
#13
L G Buchynska, N P Iurchenko, E V Kashuba, O V Brieieva, N M Glushchenko, M Mints, N Yu Lukianova, V F Chekhun
BACKGROUND: Recent studies allow to consider the mitochondrial ribosomal protein S18-2 (MRPS18-2, S18-2) as a potential oncoprotein, which suggests the need for further characterization of its expression in tumors of different genesis including breast cancer (BC). The aim of the study was to analyze the expression of the S18-2 protein in BC of luminal A and basal subtypes. MATERIALS AND METHODS: Operational material of BC patients stage І-ІІ (luminal A subtype, n = 30, and basal subtype, n = 10) was studied with the use of morphological, immunohistochemical, statistical and bioinformatic methods...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593749/foxp3-gene-polymorphism-is-associated-with-breast-cancer-in-iranian-patients
#14
F Arabpour, A Shafizad, M Rahimzadeh, M Norouzan, N Naderi
AIM: Breast cancer (BC) is one of the leading causes of cancer death among women. Recent studies have characterized FoxP3 as a marker of regulatory T cells and an X-linked tumor suppressor gene, which is involved in the pathogenesis of BC. Therefore, we investigated the potential influence of three single-nucleotide polymorphisms (SNPs) of FoxP3 gene on the development of BC in Iranian women. MATERIALS AND METHODS: The association between FoxP3 rs2232365, rs3761548 and rs4824747 polymorphisms and BC risk was assessed in 124 BC patients and 198 healthy controls using sequence-specific primers...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593748/oxidative-and-mutagenic-effects-of-low-intensity-gsm-1800-mhz-microwave-radiation
#15
I Yakymenko, A Burlaka, I Tsybulin, I Brieieva, L Buchynska, I Tsehmistrenko, F Chekhun
AIM: Despite a significant number of epidemiological studies on potential carcinogenicity of microwave radiation (MWR) from wireless devices and a bulk of experimental studies on oxidative and mutagenic effects of low intensity MWR, the discussion on potential carcinogenicity of low intensity MWR is going on. This study aims to assess oxidative and mutagenic effects of low intensity MWR from a typical commercial model of a modern smartphone. MATERIALS AND METHODS: The model of developing quail embryos has been used for the assessment of oxidative and mutagenic effects of Global System for Mobile communication (GSM) 1800 MHz MWR from a commercial model of smartphone...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30593747/the-effects-of-early-postoperative-immunization-with-xenogeneic-embryo-proteins-on-lewis-lung-carcinoma-model
#16
T V Symchych, N I Fedosova, О М Karaman, I M Voyeykova, G V Didenko
AIM: To investigate the effect of chicken embryo proteins (CEP) as a prototype of xenogeneic vaccine on immune reactions in mice immunized after Lewis lung carcinoma (LLC) surgical removal. MATERIALS AND METHODS: C57Bl male mice were immunized on days 1, 8, and 15 after surgical removal of LLC. The immune response was assessed on days 7, 14, 21 and 28 after tumor resection. Cytotoxic activity of natural killer cells (NK) and cytotoxic T-lymphocytes as well as antibody dependent cellular cytotoxicity was estimated in MTT-assay; specific antibodies were detected in ELISA; lymphocyte proliferation was tested in reaction of in vitro blast transformation...
December 2018: Experimental Oncology
https://read.qxmd.com/read/30285012/comparative-histochemical-evaluation-of-mucins-expression-in-fetal-esophagus-and-adenocarcinomas-of-the-gastroesophageal-junction
#17
S Vernygorodskyi, T Rekun, P Zhuchenko
AIM: To study and compare the expression patterns of mucins in the fetal gastroesophageal junction (GEJ) region and adenocarcinomas of the GEJ in adults using histochemical method. MATERIAL AND METHODS: To reveal the expression of different mucins, tissue sections from formalin-fixed paraffin-embedded tissue blocks of fetal GEJ and carcinomas of GEJ were stained by the following histological stains: hematoxylin and eosin, periodic acid-Schiff (PAS), alcian blue (AB), pH 2...
October 2018: Experimental Oncology
https://read.qxmd.com/read/30285011/role-of-dendrimers-in-advanced-drug-delivery-and-biomedical-applications-a-review
#18
A Akbarzadeh, R Khalilov, E Mostafavi, N Annabi, E Abasi, T Kafshdooz, R Herizchi, T Kavetskyy, S Saghfi, A Nasibova, S Davaran
Dendrimers dendritic structural design holds vast promises, predominantly for drug delivery, owing to their unique properties. Dendritic architecture is widespread topology found in nature and offers development of specific properties of chemical substances. Dendrimers are an ideal delivery vehicle candidate for open study of the effects of polymer size, charge, and composition on biologically relevant properties such as lipid bilayer interactions, cytotoxicity, bio-distribution, internalization, blood plasma retention time, and filtration...
October 2018: Experimental Oncology
https://read.qxmd.com/read/30285010/different-morphological-structures-of-breast-tumors-demonstrate-individual-drug-resistance-gene-expression-profiles
#19
T S Gerashchenko, E V Denisov, N M Novikov, L A Tashireva, E V Kaigorodova, O E Savelieva, M V Zavyalova, N V Cherdyntseva, V M Perelmuter
AIM: To identify gene expression profiles involved in drug resistance of different morphological structures (tubular, alveolar, solid, trabecular, and discrete) presented in breast cancer. MATERIAL AND METHODS: Ten patients with luminal breast cancer have been included. A laser microdissection-assisted microarrays and qRT-PCR were used to perform whole-transcriptome profiling of different morphological structures, to select differentially expressed drug response genes, and to validate their expression...
October 2018: Experimental Oncology
https://read.qxmd.com/read/30285009/effects-of-exogenous-lactoferrin-on-phenotypic-profile-and-invasiveness-of-human-prostate-cancer-cells-du145-and-lncap-in-vitro
#20
T V Zadvornyi, N Yu Lukianova, T V Borikun, V F Chekhun
AIM: To investigate the biological effects of exogenous lactoferrin (LF) on phenotypic profile and invasiveness of human prostate cancer (PC) cells in vitro. MATERIALS AND METHODS: Human PC cell lines (LNCaP, DU-145) were cultured with an exogenous LF at a dose corresponding to IC30. The expression levels of steroid hormone receptors (androgen receptor, estrogen receptor, progesterone receptor), Her2/neu, Ki-67, E- and N-cadherin, were monitored by immunohistochemical analysis...
October 2018: Experimental Oncology
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