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Wyświetlanie 1-4 z 4
Tytuł:
Comparative analysis of RCAS1 level in neoplasms and placenta.
Autorzy:
Wicherek, Lukasz
Dutsch, Magdalena
Mak, Pawel
Klimek, Marek
Skladzien, Jacek
Dubin, Adam
Powiązania:
https://bibliotekanauki.pl/articles/1043411.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
EBAG9
RCAS1
immune escape
apoptotic cell death
fetal rejection
Opis:
The tumor associated antigen RCAS1 (receptor-binding cancer antigen expressed on SiSo cells) expressed with high frequency in various cancer and trophoblast cells, inhibits growth of estrogen receptor-expressing cells and induces apoptosis. Because previous reports demonstrated RCAS1 presence only by non-quantitative immunocytochemistry methods, we decided to use a Western blotting with anti-RCAS1 monoclonal antibodies for estimation of the relative content of the tumor-associated antigen. One hundred tissue samples were assayed (neoplasms, chronic inflammatory diseases, healthy tissues, trophoblasts and placentas at term). RCAS1 was present in all neoplastic, placental and trophoblast tissue samples and its level in malignant samples was statistically significantly higher than in benign neoplasms. The amount of RCAS1 in chronic inflammations was also significantly increased in immune mediated diseases, like allergic nasal polyps and sarcoidosis. The RCAS1 protein was not revealed in healthy mucous membrane and in muscle tissues. The presented results suggest that RCAS1 might play an important role in tumor escape from host immunological surveillance and carry weight in the down regulation of the maternal immune response, thereby maintaining pregnancy.
Źródło:
Acta Biochimica Polonica; 2003, 50, 4; 1187-1194
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bentonite from the Central Slovakia Volcanic Field – A prospective raw material for Polish industry
Autorzy:
Górniak, Katarzyna
Szydłak, Tadeusz
Gaweł, Adam
Klimek, Agnieszka
Tomczyk, Anna
Motyka, Jerzy
Bahranowski, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/127637.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Mineralogiczne
Tematy:
commercial bentonite
Central Slovakia Volcanic Field
petrography
smectite
microscopic imaging
Opis:
This paper summarizes information about recently worked bentonite deposits in Slovakia and presents the results of studies on bentonite from the Central Slovakia Volcanic Field (CSVF). The authors compared the mineralogy of commercial bentonites exploited in the Stara Kremnička (Jelšový potok), Kopernica, and Hliník nad Hronom deposits. X-ray diffraction (XRD), chemical analyses and microscopy showed that the main component is montmorillonite (37–88%), followed by opal C/CT (5–25%), clinoptilolite (up to 15%), feldspars (3–12%), quartz (up to 8%), biotite (2–5%), and kaolinite (up to 2%). The microscopic imaging provided information valuable for the technological assessment of bentonites, particularly the evaluation of mineralogy determined by XRD. The low variability of the mineral composition of commercial bentonites exploited in the western CSVF, together with the significant reserves and localization of deposits close to the Polish–Slovak state border prove that this raw material deserves more attention from Polish industry.
Źródło:
Mineralogia; 2017, 48, 1/4; 23-38
1899-8291
1899-8526
Pojawia się w:
Mineralogia
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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