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Cited by 455

The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.

Specific Mutations in the β-Catenin Gene (CTNNB1) Correlate with Local Recurrence in Sporadic Desmoid Tumors

Open access
Lazar, Alexander J.F., Tuvin, Daniel, Hajibashi, Shohrae, Habeeb, Sultan, Bolshakov, Svetlana, Mayordomo-Aranda, Empar, Warneke, Carla L., Lopez-Terrada, Dolores, Pollock, Raphael E., Lev, Dina·2008·The American Journal of Pathology

Abstract

Desmoid fibromatosis is a rare, nonmetastatic neoplasm marked by local invasiveness and relentless recurrence. Molecular determinants of desmoid recurrence remain obscure. beta-Catenin deregulation has been commonly identified in sporadic desmoids although the incidence of CTNNB1 (the gene encoding beta-catenin) mutations is uncertain. Consequently, we evaluated the prevalence of CTNNB1 mutations in a large cohort of sporadic desmoids and examined whether mutation type was relevant to desmoid outcome. Desmoid specimens (195 tumors from 160 patients, 1985 to 2005) and control dermal scars were assembled into a clinical data-linked tissue microarray. CTNNB1 genotyping was performed on a 138-sporadic desmoid subset. Immunohistochemical scoring was performed per standard criteria and data were analyzed using Kaplan-Meier and other indicated methods. CTNNB1 mutations were observed in 117 of 138 (85%) of desmoids. Three discrete mutations in two codons of CTNNB1 exon 3 were identified: 41A (59%), 45F (33%), and 45P (8%, excluded from further analysis because of rarity). Five-year recurrence-free survival was significantly poorer in 45F-mutated desmoids (23%, P < 0.0001) versus either 41A (57%) or nonmutated tumors (65%). Nuclear beta-catenin expression was observed in 98% of specimens and intensity was inversely correlated with incidence of desmoid recurrence (P < 0.01). In conclusion, CTNNB1 mutations are highly common in desmoid tumors. Furthermore, patients harboring CTNNB1 (45F) mutations are at particular risk for recurrence and therefore may especially benefit from adjuvant therapeutic approaches.

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Crossref · 10.2353/ajpath.2008.080475

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Metadata

Authors
Lazar, A. J. F., Tuvin, D., Hajibashi, S., Habeeb, S., Bolshakov, S., Mayordomo-Aranda, E., Warneke, C. L., Lopez-Terrada, D., Pollock, R. E., & Lev, D.
Venue
The American Journal of Pathology
Publisher
Elsevier BV
Published
2008-11
Volume
173
Issue
5
Pages
1518-1527
ISSN
0002-9440 (ISSN-L)
OpenAlex
W2116318030
Cited by
455
References
33
FWCI
13.82
Type
journal article
Language
en
Open access
hybrid

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