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Immunohistochemistry (No Staining) moderate

Loss of membrane protein staining after permeabilization

Symptom
No staining is detected when targeting membrane proteins in IHC. Signal is absent despite antibody validation, suggesting structural damage to membrane epitopes.
Common Causes
  1. 1 Permeabilization with strong detergents (e.g. Triton X) damaged delicate membrane protein structures
  2. 2 Cell membranes disrupted by excessive detergent exposure
  3. 3 Membrane epitopes destroyed during harsh permeabilization procedures
Solutions
  1. 1 Use less stringent detergent (e.g. Tween 20 instead of Triton X)
  2. 2 Remove permeabilizing agent completely from buffers
  3. 3 Optimize permeabilization conditions specifically for membrane proteins
  4. 4 Test protocol without permeabilization step for surface membrane proteins
Related Video (3)
Bilibili (China-Accessible Mirrors) ★ 82
Immunohistochemistry on Paraffin-Embedded Sections (CST Demo)
"CST demo explicitly covers paraffin-embedded IHC protocol including antigen retrieval and permeabilization steps—directly addresses the technique stage where membrane protein damage occurs"
Cell Signaling Technology ★ 76
Better IHC Step 1: Antigen Retrieval
"Focused optimization video on antigen retrieval and staining consistency; teaches proper permeabilization balance to avoid over-treatment that damages epitopes"
Cell Signaling Technology ★ 71
Tissue Controls & More for Immunohistochemistry | CST Tech Tips
"Discusses antibody validation and tissue controls in IHC context, helping researchers distinguish between antibody failure and protocol-induced epitope damage"
Source: abcam.com ↗
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