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Wyszukujesz frazę "Kliszczewska, Ewa" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Serum and saliva levels of matrix metalloproteinase 3 and 9 in pharynx and larynx cancer
Autorzy:
Polz-Dacewicz, Małgorzata
Maciąg, Paweł
Kliszczewska, Ewa
Rolniak, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/972529.pdf
Data publikacji:
2017
Wydawca:
Instytut Medycyny Wsi
Tematy:
matrix metalloproteinases
larynx cancer
throat cancer
head and neck cancer
Opis:
Introduction and objective. Matrix metalloproteinases (MMPs) are proteolytic enzymes responsible for the decomposition of extracellular matrix elements. They play an important role during embryogenesis, wound healing, endometrial epithelial exfoliation, the formation of new blood vessels, and also during cancer development. Throat and larynx tumours are included in a large group of head and neck cancers. These tumours are characterized by a poor prognosis. Despite advances in medical science, cancer treatment is difficult and often ineffective. The aim of the study was to evaluate the level of MMP-3 and MMP-9 in the serum and saliva of patients with pharynx and larynx tumours. Materials and method. Samples of saliva and serum were collected from 60 patients with larynx or throat cancer. Twenty patients without cancer comprised the control group. MMPs in saliva and serum were determined by the ELISA method. Results. In the study group, concentrations of MMP-3 in saliva were from 0.2 – 77.6 ng/ml. Patients with malignant tumours had higher saliva MMP-3 levels than healthy subjects. The concentration of MMP-3 in the serum of the study group ranged from 10.9 – 200.00 ng/ml, which was also higher than in the control group. There were no statistically significant difference in the MMP-9 level between the study and control groups (both in serum and saliva). Conclusions. This study is another element that shows the phenomena taking place at the cellular level during oncological disease. In serum and saliva samples, higher values of MMP3 were found in patients with cancer. The increase in the concentration of this enzyme in the risk group may be used for early detection of tumour transformation and evaluation of treatment.
Źródło:
Journal of Pre-Clinical and Clinical Research; 2017, 11, 2; 106-110
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Epstein-Barr Virus - pathogenesis, latency and cancers
Autorzy:
Kliszczewska, Ewa
Jarzyński, Adrian
Boguszewska, Anastazja
Pasternak, Justyna
Polz-Dacewicz, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/972458.pdf
Data publikacji:
2017
Wydawca:
Instytut Medycyny Wsi
Tematy:
latency
infection
cancer
EBV
Opis:
The Epstein-Barr virus (EBV) was discovered in 1964 by Michael Anthony Epstein and Yvonne Barr, who discovered a herpesvirus-like infectious agent in a biopsy specimen from a patient with Burkitt’s lymphoma. This virus belongs to the Herpesviridae family (subfamily Gammaherpesvirinae, genus Lymphocryptovirus). EBV is a ubiquitous herpesvirus that is causally associated with various malignant tumours. According to the current nomenclature, it was named human herpesvirus type 4 (human herpesvirus 4 – HHV-4). Primary infection usually occurs in childhood. In developing countries, the infection rate among young children is higher than in developed countries. It was the first human tumour virus and it is currently categorized as a group-1 carcinogen due to its association with various cancers. It is estimated that over 90% of the adult population has been infected with this pathogen, but only a minority will develop the disease. EBV establishes latent infection characterized by the expression of a limited number of viral genes called latent genes. Moreover, during its life cycle, EBV periodically reactivates and can be transmitted to other susceptible hosts. The oral cavity is the main site of EBV occurrence and the most common source of infection. This study discusses EBV frequency and its association with the occurrence of malignant tumours and the pathways of tumour progression.
Źródło:
Journal of Pre-Clinical and Clinical Research; 2017, 11, 2; 142-146
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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