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Wyświetlanie 1-3 z 3
Tytuł:
Levels of interleukin-2 in patients with colon cancer and diabetes type 2
Autorzy:
Bosek, Irina
Sulich, Agnieszka
Rabijewski, Michał
Kaleta, Beata
Kniotek, Monika
Miłek, Tomasz
Piątkiewicz, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/972606.pdf
Data publikacji:
2016
Wydawca:
Instytut Medycyny Wsi
Tematy:
diabetes type 2
colon cancer
interleukin-2
Opis:
Introduction and objective: The risk of development colon cancer (CC) is increased significantly among patients with the type 2 diabetes (T2DM). A mechanism responsible for the higher prevalence of CC among diabetic patients may be associated with the immunity system. The aim of this study is to point out the differences in the immunity state in terms of interleukin 2 level among patients with T2DM suffering from CC, and patients without these diseases Material and Methods: 79 patients were included the tests, divided into 4 groups: Group 1–23 people with T2DM, Group 2–23 people with large intestine CC, Group 3–10 people with large CC and T2DM, and Group 4–23 people without T2DM or CC. Each patient had a colonoscopy and those with cancer were confirmed in a histopathological examination. Laboratory measurements included fasting glucose, insulin, C-peptide. The concentration of interleukin-2 in serum was determined with the immunoenzymatic (ELISA) method. Results: The results obtained showed that in patients with T2DM and CC the concentration of interleukin-2 was statistically higher than in the other groups.(4.21±1.61 pg/ml vs. Group 1 -1.64±0.44 pg/ml, Group 2–1.54±0.21 pg/ml, and Group 4–1.70±0.36 pg/ml; p<0.05). Insulin levels, C-peptide and HOMA-IR did not differ significantly between groups, but a tendency was observed to higher values of HOMA-IR and insulin levels in the groups with T2DM alone and T2DM with concomitant CC. Conclusions: The data show differences in the immunity state of patients with T2DM and CC, compared with people without those two diseases. Elevated level of interleukin 2 found in this group, after confirmation in other studies with more patients, could be used as a marker of an increased risk of CC in people with T2DM
Źródło:
Journal of Pre-Clinical and Clinical Research; 2016, 10, 1; 1-5
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Calcium- and proton-dependent relocation of annexin A6 in Jurkat T cells stimulated for interleukin-2 secretion
Autorzy:
Podszywalow-Bartnicka, Paulina
Strzelecka-Kiliszek, Agnieszka
Bandorowicz-Pikula, Joanna
Pikula, Slawomir
Powiązania:
https://bibliotekanauki.pl/articles/1041071.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
interleukin-2
ionomycin
calcium
annexin A6
Jurkat T cells
vesicular traffic
Opis:
Annexin A6 (AnxA6) is a Ca2+-dependent membrane-binding protein involved in vesicular traffic. The likely participation of AnxA6 in the response of lymphocytes to Ca2+ signals has not been investigated yet. The present study focuses on intracellular relocation of AnxA6 in human Jurkat T lymphoblasts upon stimulation followed by transient increase of intracellular [Ca2+] and exocytosis of interleukin-2 (IL-2). Stimulation of the cells under different experimental conditions (by lowering pH and/or by rising extracellular [Ca2+] in the presence of ionomycin) induced time-dependent transients of intracellular [Ca2+] and concomitant changes in AnxA6 intracellular localization and in IL-2 secretion, with only minor effects on cell viability and apoptosis. In resting conditions (in the presence of EGTA or with no ionophore) AnxA6 was localized uniformly in the cytosol, whereas it translocated to vesicular structures beneath the plasma membrane within 5 min following stimulation of Jurkat T cells and rise of intracellular [Ca2+] at pH 7.4. Lowering the extracellular pH value from 7.4 to 6.0 significantly enhanced this process. AnxA6 changed its location from the cytosol to the secretory granules and early endosomes which seem to represent membranous targets for annexin. In conclusion, AnxA6 is sensitive to variations in intracellular [Ca2+] upon stimulation of Jurkat T cells, as manifested by a switch in its intracellular localization from the cytosol to vesicular structures located in close proximity to the plasma membrane, suggestive of participation of AnxA6 in calcium- and proton-dependent secretion of cytokines by lymphocytes.
Źródło:
Acta Biochimica Polonica; 2007, 54, 2; 261-271
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Immunotherapy with interleukin-2: a study based on mathematical modeling
Autorzy:
Banerjee, S.
Powiązania:
https://bibliotekanauki.pl/articles/907902.pdf
Data publikacji:
2008
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
komórka
efektor
nowotwór
opóźnienie czasowe
interleukina
effector cells
tumor cells
interleukin-2
discrete time delay
Opis:
The role of interleukin-2 (IL-2) in tumor dynamics is illustrated through mathematical modeling, using delay differential equations with a discrete time delay (a modified version of the Kirshner-Panetta model). Theoretical analysis gives an expression for the discrete time delay and the length of the time delay to preserve stability. Numerical analysis shows that interleukin-2 alone can cause the tumor cell population to regress.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2008, 18, 3; 389-398
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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