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C-Myc protein expression indicates unfavorable clinical outcome in surgically resected small cell lung cancer

Overview of attention for article published in World Journal of Surgical Oncology, February 2024
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Title
C-Myc protein expression indicates unfavorable clinical outcome in surgically resected small cell lung cancer
Published in
World Journal of Surgical Oncology, February 2024
DOI 10.1186/s12957-024-03315-7
Pubmed ID
Authors

Christian Lang, Zsolt Megyesfalvi, Andras Lantos, Felicitas Oberndorfer, Mir Alireza Hoda, Anna Solta, Bence Ferencz, Janos Fillinger, Anna Solyom-Tisza, Alessandro Saeed Querner, Felix Egger, Kristiina Boettiger, Thomas Klikovits, Gerald Timelthaler, Ferenc Renyi-Vamos, Clemens Aigner, Konrad Hoetzenecker, Viktoria Laszlo, Karin Schelch, Balazs Dome

Abstract

By being highly involved in the tumor evolution and disease progression of small cell lung cancer (SCLC), Myc family members (C-Myc, L-Myc, and N-Myc) might represent promising targetable molecules. Our aim was to investigate the expression pattern and prognostic relevance of these oncogenic proteins in an international cohort of surgically resected SCLC tumors. Clinicopathological data and surgically resected tissue specimens from 104 SCLC patients were collected from two collaborating European institutes. Tissue sections were stained by immunohistochemistry (IHC) for all three Myc family members and the recently introduced SCLC molecular subtype-markers (ASCL1, NEUROD1, POU2F3, and YAP1). IHC analysis showed C-Myc, L-Myc, and N-Myc positivity in 48%, 63%, and 9% of the specimens, respectively. N-Myc positivity significantly correlated with the POU2F3-defined molecular subtype (r = 0.6913, p = 0.0056). SCLC patients with C-Myc positive tumors exhibited significantly worse overall survival (OS) (20 vs. 44 months compared to those with C-Myc negative tumors, p = 0.0176). Ultimately, in a multivariate risk model adjusted for clinicopathological and treatment confounders, positive C-Myc expression was confirmed as an independent prognosticator of impaired OS (HR 1.811, CI 95% 1.054-3.113, p = 0.032). Our study provides insights into the clinical aspects of Myc family members in surgically resected SCLC tumors. Notably, besides showing that positivity of Myc family members varies across the patients, we also reveal that C-Myc protein expression independently correlates with worse survival outcomes. Further studies are warranted to investigate the role of Myc family members as potential prognostic and predictive markers in this hard-to-treat disease.

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Geographical breakdown

Country Count As %
Unknown 4 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 3 75%
Unknown 1 25%
Readers by discipline Count As %
Pharmacology, Toxicology and Pharmaceutical Science 2 50%
Biochemistry, Genetics and Molecular Biology 1 25%
Unknown 1 25%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 February 2024.
All research outputs
#21,069,922
of 25,878,862 outputs
Outputs from World Journal of Surgical Oncology
#1,117
of 2,166 outputs
Outputs of similar age
#234,285
of 341,908 outputs
Outputs of similar age from World Journal of Surgical Oncology
#17
of 17 outputs
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We're also able to compare this research output to 17 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.