Name
Kit Oleg Ivanovich
Scholastic degree
•
Academic rank
professor
Honorary rank
—
Organization, job position
Rostov Cancer Research Institute
Web site url
—
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Articles count: 5
The aim of the study is to compare the traditional
clinicopathologic factors and prognosis of cell cycle
parameters, such as ploidy, cell cycle kinetics, as well
as the study of DNA content in the tumor tissue of
patients with esophageal cancer. Cancer of the
esophagus - a very aggressive malignant disease, most
commonly manifested impaired swallowing. As a rule,
this type of cancer pathology is characterized by
unfavorable outcome. Ploidy and cell proliferation
activity, defined by the content of the DNA of the
tumor - synthesizing cells are one of the important
indicators of the growth rate of malignancy and
prognosis. The study was performed on tumor tissue
fragments of the 30 patients operated on for cancer of
the esophagus. DNA study - conducted in the open cell
material aftercare. DNA cell content was determined
by flow cytometry BD FACSCanto II. By studying the
DNA-cytometric parameters, we found the prevalence of aneuploid tumors in 66.7%. It was shown that DNAcytometric
parameters are independent of gender.
Major weight of diploid and aneuploid cell tumors of
the esophagus was in G0 / 1 phase of the cell cycle.
Comparative analysis of DNA - cytometric parameters
and the degree of differentiation of esophageal tumor
revealed a prevalence of aneuploid tumors in all the
test cases. content distribution pattern of tumor cells
was found in the G0 / G1-, G2 + M -, S - phase of the
cell cycle at different stages of the disease
The article analyzes the effectiveness of
plasmapheresis and xenon therapy in 40 patients with
gynecological cancer who underwent surgery in the
amount of extended panhysterectomy about cervical
cancer, who developed signs of post-castration
syndrome in the immediate postoperative period. The
content of gonadotropic pituitary hormones was
determined in the blood of patients with cervical
cancer and healthy women - follicule-stimulating,
luteinizing hormones, prolactin; steroid hormones:
estradiol, testosterone, cortisol; thyroid hormones. It is
found that xenon therapy has a more pronounced
antistress, hormone-modulating, sedative and
antidepressant effect and is more preferable to treat
post-castration syndrome. Performing of
plasmapheresis in this aspect is most justified in
patients with concomitant metabolic syndrome
Mortality from malignant diseases is directly linked to
early metastasis and relapse. It is now possible to
identify individual tumor cells in bone marrow
biopsies and peripheral blood. Colorectal cancer is one
of the leading places in the structure of cancer
incidence and mortality, both in Russia and around the
world. Studies have shown that after surgery the ability
of tumor cells to the dissemination and implantation
increases. The work contains 30 patients with the
verified colorectal cancer with metastasis to the liver.
To determine the CSC we have applied an analysis
technology in CellSearch System â„¢ (Janssen
Diagnostics, LLC). Our study of the number and
frequency of detection of circulating tumor cells in
peripheral blood of patients and control group
demonstrates the reduction in the number of CTCs
during laparoscopic surgery and changing the
dynamics of the level of tumor cells in the form of
reduction from the stage of the mobilization of the drug due to minimally invasive access, minimizing
manipulation in the projection of the tumor and as a
consequence, preventing the release into the blood
stream of single tumor cells
While studying the content of hypoxia-inducible factor
1-alpha and vascular endothelial growth factor in the
tumor tissue, oral fluid and peripheral blood of 141
patients with oral mucosa cancer T1-3N0-2M0, it was
shown that the development of purulent inflammatory
postoperative complications in patients with oral
mucosa cancer is associated with an increased
expression of HIF-1α in the tissue and its translocation
from the cytoplasm to the nucleus, activation of the
neoangiogenesis processes. It is informative to
determine HIF-1α factor in the blood serum, which,
for further development, can be used as a non-invasive
diagnostic marker to predict the postoperative course
in this category of patients
Uterine cancer is the sixth on prevalence of cancer
among women in developed countries. Hyper-estrogen
level by endogenous or exogenous origin plays the
leading role in this disease pathogenesis. This study
purpose was investigating the expression of genetic
loci responsible for the estrogen reception and
metabolism to better understanding of the molecular
mechanisms of uterine tissues malignancy. We
investigated the relative expression of genes (CYP1A
1, CYP1A 2, CYP1B 1, CYP19A, ESR1, ESR2, GPER,
STS, SULT1A and SULT1E1) by real-time PCR in
tumor and conditionally healthy uterine tissues of 27
female patients in Southern Russia aged 38-72 years
with histologically confirmed diagnosis of uterine
cancer. It is found that transcription activity of these
genes during malignancy of uterine tissues depends of
female patients age and the stage of tumor cells
differentiation. It is found that malignancy change in
the transcriptional activity of investigated genes in
uterine tissue depends of patients age and stage of
tumor cells differentiation. Particularly, it was found,
that changes of gene transcription balance of enzymes
that provide sulfation and hydrolysis of steroid sulfates is depending of patient age and the degree of tumor
cells differentiation. In addition, the sinking of gene
expression of nuclear estrogen receptor ESR1 as
lowering cell differentiation of tumor tissues. We have
also shown gene expression of nuclear estrogen
receptor ESR1 decline as lowering cell differentiation
of tumor tissues