Standard Immunohistochemical Assays to Assess Autophagy in Mammalian Tissue
AbstractAutophagy is a highly conserved lysosomal degradation pathway with major impact on diverse human pathologies. Despite the development of different methodologies to detect autophagy both in vitro and in vivo, monitoring autophagy in tissue via immunohistochemical techniques is hampered due to the lack of biomarkers. Immunohistochemical detection of a punctate pattern of ATG8/MAP1LC3 proteins is currently the most frequently used approach to detect autophagy in situ, but it depends on a highly sensitive detection method and is prone to misinterpretation. Moreover, reliable MAP1LC3 immunohistochemical staining requires correct tissue processing and high-quality, isoform-specific antibodies. Immunohistochemical analysis of other autophagy-related protein targets such as SQSTM1, ubiquitin, ATG5 or lysosomal proteins is not recommended as marker for autophagic activity in tissue for multiple reasons including aspecific labeling of cellular structures and a lack of differential protein expression during autophagy initiation. To better understand the role of autophagy in human disease, novel biomarkers for visualization of the autophagic process with standard histology techniques are urgently needed. View Full-Text
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Martinet, W.; Roth, L.; De Meyer, G.R.Y. Standard Immunohistochemical Assays to Assess Autophagy in Mammalian Tissue. Cells 2017, 6, 17.
Martinet W, Roth L, De Meyer GRY. Standard Immunohistochemical Assays to Assess Autophagy in Mammalian Tissue. Cells. 2017; 6(3):17.Chicago/Turabian Style
Martinet, Wim; Roth, Lynn; De Meyer, Guido R.Y. 2017. "Standard Immunohistochemical Assays to Assess Autophagy in Mammalian Tissue." Cells 6, no. 3: 17.
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