Hello Priyanka Magar

Here are the following papers for your reference.

Article Runnebaum IB, Nagarajan M, Bowman M, Soto D, Sukumar S.. Mut...

Article Analysis of p53 mutation status in human cancer cell lines: ...

https://pubmed.ncbi.nlm.nih.gov/16541312/

Article Mutation analysis of 24 known cancer genes in the NCI-60 cell line set

https://pubmed.ncbi.nlm.nih.gov/28889351/

Best.

You can look up the improtant oncogenic mutations (including p53) of that cell line in its Cellosaurus entry:

https://www.cellosaurus.org/CVCL_0332

In it you will see that the p53 mutation for that cell line has been reported in five different papers.

Best

Amos