Immunohistochemical Detection of the Chaperone-Mediated Autophagy Markers LAMP2A and HSPA8 in Formalin-Fixed and Paraffin-Embedded Tissues.
Methods in molecular biology (Clifton, N.J.)(2023)
摘要
Autophagy is crucial for maintaining cellular homeostasis and its deregulation is involved in disease development, including cancer. The key players of chaperone-mediated autophagy (CMA), a particular selective subtype of autophagy, are HSPA8 and LAMP2A. Both proteins can be immunohistochemically detected in formalin-fixed paraffin-embedded (FFPE) tissue. LAMP2A is frequently overexpressed in a variety of cancers where it likely supports cancer cell survival and resistance to anti-cancer therapies in a context-dependent manner. Here we present the immunohistochemical staining protocol of antibodies against LAMP2A and HSPA8, using an automated staining system, suitable for routine diagnostics. Additionally, we also suggest a staining evaluation method.
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关键词
CMA,Chaperone-mediated autophagy,HSPA8,Immunohistochemistry,LAMP2A
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