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Wyświetlanie 1-2 z 2
Tytuł:
Assessment Of Plasma B-Catenin Concentration As Biomarker Of Thyroid Cancer*
Autorzy:
Bełdowski, Michał
Powiązania:
https://bibliotekanauki.pl/articles/1395666.pdf
Data publikacji:
2015-07-01
Wydawca:
Index Copernicus International
Tematy:
beta-catenin
thyroid cancer
Opis:
New diagnostic methods for thyroid diseases are still being searched for. Immunohistochemical diagnosis is expanded by the introduction of new biomarkers including ß-catenin (B-Cat). Associations are indicated between the cellular expression of this biomarker and tumor stage, nodal metastases and the degree of tumor cell differentiation. Reports are scarce regarding the plasma level of this biomarker in malignant neoplastic diseases. The aim of the study was to analyze the plasma B-Cat concentration and the possibility of it use in the diagnostics of patients with nodular goiter and papillary thyroid carcinoma. Material and methods. Plasma B-Cat concentration was determined in 64 patients with goiter and 15 healthy volunteers. The final histopathological examination revealed 41 cases of papillary thyroid carcinoma (PTC) and 13 cases of nodular goiter (NG). Results. A significant increase in B-Cat (p <0.05) in both groups compared to the control group. No differences in the concentrations of biomarker was demonstrated between the PTC and NG groups. After determining the AUC for the tested biomarker, the B-Cat ratio of the area value 0.721 was the strong diagnostic test. Conclusions. Changes in the plasma B-Cat concentration can be the biomarker of thyroid cancer but it cannot be used for the detection of papillary thyroid carcinoma becouse of concomitant tumor-like lesions in the thyroid gland.
Źródło:
Polish Journal of Surgery; 2015, 87, 7; 340-345
0032-373X
2299-2847
Pojawia się w:
Polish Journal of Surgery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Crosstalk between the TGF-β and WNT signalling pathways during cardiac fibrogenesis
Autorzy:
Działo, Edyta
Tkacz, Karolina
Błyszczuk, Przemysław
Powiązania:
https://bibliotekanauki.pl/articles/1038355.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
TGF-beta
Smad
WNT
beta-catenin
RhoA-ROCK
p38
JNK
Erk1/2
MAPK
cardiac fibrosis
tissue remodelling
cardiac fibroblasts
heart
Opis:
Cardiac fibrosis is referred to as an excessive accumulation of stromal cells and extracellular matrix proteins in the myocardium. Progressive fibrosis causes stiffening of the cardiac tissue and affects conduction of electrical impulses, leading to heart failures in a broad range of cardiac conditions. At the cellular level, activation of the cardiac stromal cells and myofibroblast formation are considered as hallmarks of fibrogenesis. At the molecular level, transforming growth factor β (TGF-β) is traditionally considered as a master regulator of the profibrotic processes. More recently, the WNT signalling pathway has also been found to be implicated in the development of myocardial fibrosis. In this review, we summarize current knowledge on the involvement of TGF-β and WNT downstream molecular pathways to cardiac fibrogenesis and describe a crosstalk between these two profibrotic pathways. TGF-β and WNT ligands bind to different receptors and trigger various outputs. However, a growing body of evidence points to cross-regulation between these two pathways. It has been recognized that in cardiac pathologies TGF-β activates WNT/β-catenin signalling, which in turn stabilizes the TGF-β/Smad response. Furthermore both, the non-canonical TGF-β and non-canonical WNT signalling pathways, activate the same mitogen-activated protein kinases (MAPKs): the extracellular signal-regulated kinase (Erk), the c-Jun N-terminal kinases (JNKs) and p38. The crosstalk between TGF-β and WNT pathways seems to play an essential role in switching on the genetic machinery initiating profibrotic changes in the heart. Better understanding of these mechanisms will open new opportunities for development of targeted therapeutic approaches against cardiac fibrosis in the future.
Źródło:
Acta Biochimica Polonica; 2018, 65, 3; 341-349
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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