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RSS FeedsIJMS, Vol. 20, Pages 2482: Accumulation of Innate Amyloid Beta Peptide in Glioblastoma Tumors (International Journal of Molecular Sciences)

 
 

20 may 2019 14:02:38

 
IJMS, Vol. 20, Pages 2482: Accumulation of Innate Amyloid Beta Peptide in Glioblastoma Tumors (International Journal of Molecular Sciences)
 




Immunostaining with specific antibodies has shown that innate amyloid beta (Aβ) is accumulated naturally in glioma tumors and nearby blood vessels in a mouse model of glioma. In immunofluorescence images, Aβ peptide coincides with glioma cells, and enzyme-linked immunosorbent assay (ELISA) have shown that Aβ peptide is enriched in the membrane protein fraction of tumor cells. ELISAs have also confirmed that the Aβ(1–40) peptide is enriched in glioma tumor areas relative to healthy brain areas. Thioflavin staining revealed that at least some amyloid is present in glioma tumors in aggregated forms. We may suggest that the presence of aggregated amyloid in glioma tumors together with the presence of Aβ immunofluorescence coinciding with glioma cells and the nearby vasculature imply that the source of Aβ peptides in glioma can be systemic Aβ from blood vessels, but this question remains unresolved and needs additional studies.


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38 viewsCategory: Biochemistry, Biophysics, Molecular Biology
 
IJMS, Vol. 20, Pages 2479: Jasmonic Acid Signaling Pathway in Plants (International Journal of Molecular Sciences)
IJMS, Vol. 20, Pages 2481: Phloretin Suppresses Bone Morphogenetic Protein-2-Induced Osteoblastogenesis and Mineralization via Inhibition of Phosphatidylinositol 3-kinases/Akt Pathway (International Journal of Molecular Sciences)
 
 
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