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Novel prognostic implications of YTH domain family 2 in resected hepatocellular carcinoma

N6-methyladenosine (m(6)A), the most abundant internal RNA modification, serves a critical role in cancer development. However, the clinical implications of m(6)A in hepatocellular carcinoma (HCC) remain unclear. The present study sought to reveal the potential roles of m(6)A readers, which recogniz...

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Autores principales: Nakagawa, Nobuhiko, Sonohara, Fuminori, Tanaka, Katsuhito, Sunagawa, Yuki, Inokawa, Yoshikuni, Takami, Hideki, Hayashi, Masamichi, Yamada, Suguru, Kanda, Mitsuro, Tanaka, Chie, Nakayama, Goro, Koike, Masahiko, Kodera, Yasuhiro
Formato: Online Artículo Texto
Lenguaje:English
Publicado: D.A. Spandidos 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8161462/
https://www.ncbi.nlm.nih.gov/pubmed/34084217
http://dx.doi.org/10.3892/ol.2021.12799
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author Nakagawa, Nobuhiko
Sonohara, Fuminori
Tanaka, Katsuhito
Sunagawa, Yuki
Inokawa, Yoshikuni
Takami, Hideki
Hayashi, Masamichi
Yamada, Suguru
Kanda, Mitsuro
Tanaka, Chie
Nakayama, Goro
Koike, Masahiko
Kodera, Yasuhiro
author_facet Nakagawa, Nobuhiko
Sonohara, Fuminori
Tanaka, Katsuhito
Sunagawa, Yuki
Inokawa, Yoshikuni
Takami, Hideki
Hayashi, Masamichi
Yamada, Suguru
Kanda, Mitsuro
Tanaka, Chie
Nakayama, Goro
Koike, Masahiko
Kodera, Yasuhiro
author_sort Nakagawa, Nobuhiko
collection PubMed
description N6-methyladenosine (m(6)A), the most abundant internal RNA modification, serves a critical role in cancer development. However, the clinical implications of m(6)A in hepatocellular carcinoma (HCC) remain unclear. The present study sought to reveal the potential roles of m(6)A readers, which recognize m(6)A, in HCC. A total of 177 HCC and paired non-cancerous liver tissues from patients who underwent hepatectomy were analysed using quantitative PCR for the expression of m(6)A readers: YT521-B homology domain family 1 (YTHDF1) and YT521-B homology domain family 2 (YTHDF2). The expression levels of both YTHDF1 and YTHDF2 were not significantly different between tumour and non-cancerous tissues (P=0.93 and P=0.7, respectively). Analysis of the association between clinical features and m(6)A reader expression revealed that YTHDF1 expression was associated with formation of capsule (P=0.02), whereas low YTHDF2 expression was associated with septal formation (P=0.02). Furthermore, high YTHDF1 expression and high YTHDF2 expression were significantly associated with shorter recurrence-free survival (RFS) [YTHDF1: Mean survival time (MST), 34.0 vs. 19.0 months, P=0.014; YTHDF2: MST, 30.1 vs. 12.9 months, P=0.0032], whereas YTHDF1 and YTHDF2 expression was not significantly associated with overall survival (OS) (YTHDF1: MST, 99.4 vs. 70.2 months, P=0.74; YTHDF2: MST, 98.4 vs. 64.1 months, P=0.28). According to multivariate analysis, serosal invasion [hazard ratio (HR), 2.39; 95% CI 1.30–4.42; P=0.005), portal vein or hepatic vein invasion (HR, 2.82; 95% CI 1.26–6.28; P=0.01) and YTHDF2 expression in HCC tissues (HR, 1.85; 95% CI 1.09–3.15; P=0.02) were identified as significant independent prognostic factors for RFS. α-fetoprotein (HR, 1.79; 95% CI 1.10–2.92; P=0.02), serosal invasion (HR, 1.99; 95% CI 1.17–3.34; P=0.01) and portal vein or hepatic vein invasion (HR, 3.02; 95% CI 1.38–6.61; P=0.006) were identified as significant independent prognostic factors for OS. In conclusion, the present study revealed that high YTHDF2 expression, an m(6)A reader, in HCC tissues was associated with cancer recurrence.
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spelling pubmed-81614622021-06-02 Novel prognostic implications of YTH domain family 2 in resected hepatocellular carcinoma Nakagawa, Nobuhiko Sonohara, Fuminori Tanaka, Katsuhito Sunagawa, Yuki Inokawa, Yoshikuni Takami, Hideki Hayashi, Masamichi Yamada, Suguru Kanda, Mitsuro Tanaka, Chie Nakayama, Goro Koike, Masahiko Kodera, Yasuhiro Oncol Lett Articles N6-methyladenosine (m(6)A), the most abundant internal RNA modification, serves a critical role in cancer development. However, the clinical implications of m(6)A in hepatocellular carcinoma (HCC) remain unclear. The present study sought to reveal the potential roles of m(6)A readers, which recognize m(6)A, in HCC. A total of 177 HCC and paired non-cancerous liver tissues from patients who underwent hepatectomy were analysed using quantitative PCR for the expression of m(6)A readers: YT521-B homology domain family 1 (YTHDF1) and YT521-B homology domain family 2 (YTHDF2). The expression levels of both YTHDF1 and YTHDF2 were not significantly different between tumour and non-cancerous tissues (P=0.93 and P=0.7, respectively). Analysis of the association between clinical features and m(6)A reader expression revealed that YTHDF1 expression was associated with formation of capsule (P=0.02), whereas low YTHDF2 expression was associated with septal formation (P=0.02). Furthermore, high YTHDF1 expression and high YTHDF2 expression were significantly associated with shorter recurrence-free survival (RFS) [YTHDF1: Mean survival time (MST), 34.0 vs. 19.0 months, P=0.014; YTHDF2: MST, 30.1 vs. 12.9 months, P=0.0032], whereas YTHDF1 and YTHDF2 expression was not significantly associated with overall survival (OS) (YTHDF1: MST, 99.4 vs. 70.2 months, P=0.74; YTHDF2: MST, 98.4 vs. 64.1 months, P=0.28). According to multivariate analysis, serosal invasion [hazard ratio (HR), 2.39; 95% CI 1.30–4.42; P=0.005), portal vein or hepatic vein invasion (HR, 2.82; 95% CI 1.26–6.28; P=0.01) and YTHDF2 expression in HCC tissues (HR, 1.85; 95% CI 1.09–3.15; P=0.02) were identified as significant independent prognostic factors for RFS. α-fetoprotein (HR, 1.79; 95% CI 1.10–2.92; P=0.02), serosal invasion (HR, 1.99; 95% CI 1.17–3.34; P=0.01) and portal vein or hepatic vein invasion (HR, 3.02; 95% CI 1.38–6.61; P=0.006) were identified as significant independent prognostic factors for OS. In conclusion, the present study revealed that high YTHDF2 expression, an m(6)A reader, in HCC tissues was associated with cancer recurrence. D.A. Spandidos 2021-07 2021-05-19 /pmc/articles/PMC8161462/ /pubmed/34084217 http://dx.doi.org/10.3892/ol.2021.12799 Text en Copyright: © Nakagawa et al. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License (https://creativecommons.org/licenses/by-nc-nd/4.0/) , which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
spellingShingle Articles
Nakagawa, Nobuhiko
Sonohara, Fuminori
Tanaka, Katsuhito
Sunagawa, Yuki
Inokawa, Yoshikuni
Takami, Hideki
Hayashi, Masamichi
Yamada, Suguru
Kanda, Mitsuro
Tanaka, Chie
Nakayama, Goro
Koike, Masahiko
Kodera, Yasuhiro
Novel prognostic implications of YTH domain family 2 in resected hepatocellular carcinoma
title Novel prognostic implications of YTH domain family 2 in resected hepatocellular carcinoma
title_full Novel prognostic implications of YTH domain family 2 in resected hepatocellular carcinoma
title_fullStr Novel prognostic implications of YTH domain family 2 in resected hepatocellular carcinoma
title_full_unstemmed Novel prognostic implications of YTH domain family 2 in resected hepatocellular carcinoma
title_short Novel prognostic implications of YTH domain family 2 in resected hepatocellular carcinoma
title_sort novel prognostic implications of yth domain family 2 in resected hepatocellular carcinoma
topic Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8161462/
https://www.ncbi.nlm.nih.gov/pubmed/34084217
http://dx.doi.org/10.3892/ol.2021.12799
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