Characterization of a TP53 Somatic Variant of Unknown Function From an Ovarian Cancer Patient Using Organoid Culture and Computational Modeling.

Abstract:

:In our proof-of-concept study of 1 patient with stage IIIC carcinosarcoma of the ovary, we discovered a rare mutation in the tumor suppressor, TP53, that results in the deletion of N131. Immunofluorescence imaging of the organoid culture revealed hyperstaining of p53 protein. Computational modeling suggests this residue is important for maintaining protein conformation. Drug screening identified the combination of a proteasome inhibitor with a histone deacetylase inhibitor as the most effective treatment. These data provide evidence for the successful culture of a patient tumor and analysis of drug response ex vivo.

journal_name

Clin Obstet Gynecol

authors

Bi J,Thiel KW,Litman JM,Zhang Y,Devor EJ,Newtson AM,Schnieders MJ,Gonzalez Bosquet J,Leslie KK

doi

10.1097/GRF.0000000000000516

subject

Has Abstract

pub_date

2020-03-01 00:00:00

pages

109-119

issue

1

eissn

0009-9201

issn

1532-5520

pii

00003081-202003000-00014

journal_volume

63

pub_type

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