Title : Detection of proliferating cell nuclear antigen in paraffin-embedded specimens is dependent on preembedding tissue handling and fixation.

Pub. Date : 1994 Oct

PMID : 7524464






4 Functional Relationships(s)
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1 Immunohistochemical detection of proliferating cell nuclear antigen (PCNA), a cell cycle-related protein used to estimate tumor growth fraction, is variable in formalin-fixed compared with methanol-fixed tissue specimens. Formaldehyde proliferating cell nuclear antigen Homo sapiens
2 Immunohistochemical detection of proliferating cell nuclear antigen (PCNA), a cell cycle-related protein used to estimate tumor growth fraction, is variable in formalin-fixed compared with methanol-fixed tissue specimens. Formaldehyde proliferating cell nuclear antigen Homo sapiens
3 Immunoblotting of formalin fixatives and saline washings after removal of tissue specimens consistently demonstrated the presence of PCNA-like activity in solution. Formaldehyde proliferating cell nuclear antigen Homo sapiens
4 We conclude that the exceptional solubility of PCNA is responsible for reduced immunostaining in formalin-fixed material, that the loss is irreversible, and that methanol or methacarn is the fixative of choice for PCNA immunohistochemistry. Formaldehyde proliferating cell nuclear antigen Homo sapiens