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Wyszukujesz frazę "Podgórska, Dominika" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Congenital adrenal hyperplasia: clinical symptoms and diagnostic methods
Autorzy:
Podgórski, Rafał
Aebisher, David
Stompor, Monika
Podgórska, Dominika
Mazur, Artur
Powiązania:
https://bibliotekanauki.pl/articles/1038519.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
Congenital Adrenal Hyperplasia
CAH
steroidogenesis
21-hydroxylase deficiency
Opis:
The aim of this paper is a straightforward presentation of the steroidogenesis process and the most common type of congenital adrenal hyperplasia (CAH) - 21-hydroxylase deficiency - as well as the analytical diagnostic methods that are used to recognize this disease. CAH is a family of common autosomal recessive disorders characterized by impaired adrenal cortisol biosynthesis with associated androgen excess due to a deficiency of one or more enzymes in the steroidogenesis process within the adrenal cortex. The most common and prototypical example of the CAH disorders group (90-95%) is caused by 21-hydroxylase deficiency. Less frequent types of CAH are 11β-hydroxylase deficiency (up to 8% of cases), 17α-hydroxylase deficiency, 3β-hydroxysteroid dehydrogenase deficiency, P450 oxidoreductase deficiency and StAR deficiencies. In the 21-hydroxylase and 11β-hydroxylase deficiency, only adrenal steroidogenesis is affected, whereas a defect in 3β-hydroxysteroid dehydrogenase or 17α-hydroxylase also involves gonadal steroid biosynthesis. Many countries have introduced newborn screening programs based on immunoassays measuring 17-hydroxyprogesterone from blood spots used for other neonatal screening tests which enable faster diagnosis and treatment of CAH. Currently, chromatographic techniques coupled with mass spectrometry are gaining popularity due to an increase in the reliability of the test results.
Źródło:
Acta Biochimica Polonica; 2018, 65, 1; 25-33
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pulmonary metastases of the A549-derived lung adenocarcinoma tumors growing in nude mice. A multiple case study
Autorzy:
Jakubowska, Monika
Śniegocka, Martyna
Podgórska, Ewa
Michalczyk-Wetula, Dominika
Urbanska, Krystyna
Susz, Anna
Fiedor, Leszek
Pyka, Janusz
Płonka, Przemysław
Powiązania:
https://bibliotekanauki.pl/articles/1039526.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
adenocarcinoma
histological analysis
metastases
nude mice
photodynamic therapy
zinc pheophorbide a
Opis:
Lung adenocarcinoma is a leading human malignancy with fatal prognosis. Ninety percent of the deaths, however, are caused by metastases. The model of subcutaneous tumor xenograft in nude mice was adopted to study the growth of control and photodynamically treated tumors derived from the human A549 lung adenocarcinoma cell line. As a side-result of the primary studies, observations on the metastasis of these tumors to the murine lungs were collected, and reported in the present paper. The metastasizing primary tumors were drained by a prominent number of lymphatic vessels. The metastatic tissue revealed the morphology of well-differentiated or trans-differentiated adenocarcinoma. Further histological and histochemical analyses demonstrated the presence of golden-brown granules in the metastatic tissue, similar to these found in the tumor tissue. In contrast to the primary tumors, the electron paramagnetic resonance spectroscopy revealed no nitric oxide - hemoglobin complexes (a source of intense paramagnetic signals), in the metastases. No metastases were found in other murine organs; however, white infarctions were identified in a single liver. Taken together, the A549-derived tumors growing subcutaneously in nude mice can metastasize and grow on site in the pulmonary tissue. Thus, they can represent an alternative for the model of induced metastatic nodule formation, following intravenous administration of the cancerous cells.
Źródło:
Acta Biochimica Polonica; 2013, 60, 3; 323-330
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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