Transcriptomic-Based Identification of the Immuno-Oncogenic Signature of Cholangiocarcinoma for HLC-018 Multi-Target Therapy Exploration

Cholangiocarcinomas (CHOLs), hepatobiliary malignancies, are characterized by high genetic heterogeneity, a rich tumor microenvironment, therapeutic resistance, difficulty diagnosing, and poor prognoses. Current knowledge of genetic alterations and known molecular markers for CHOL is insufficient, n...

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Autores principales: Bashir Lawal, Yu-Cheng Kuo, Sung-Ling Tang, Feng-Cheng Liu, Alexander T. H. Wu, Hung-Yun Lin, Hsu-Shan Huang
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:c50411c8735f464bb34f797892f3c59d2021-11-25T17:08:22ZTranscriptomic-Based Identification of the Immuno-Oncogenic Signature of Cholangiocarcinoma for HLC-018 Multi-Target Therapy Exploration10.3390/cells101128732073-4409https://doaj.org/article/c50411c8735f464bb34f797892f3c59d2021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4409/10/11/2873https://doaj.org/toc/2073-4409Cholangiocarcinomas (CHOLs), hepatobiliary malignancies, are characterized by high genetic heterogeneity, a rich tumor microenvironment, therapeutic resistance, difficulty diagnosing, and poor prognoses. Current knowledge of genetic alterations and known molecular markers for CHOL is insufficient, necessitating the need for further evaluation of the genome and RNA expression data in order to identify potential therapeutic targets, clarify the roles of these targets in the tumor microenvironment, and explore novel therapeutic drugs against the identified targets. Consequently, in our attempt to explore novel genetic markers associated with the carcinogenesis of CHOL, five genes (<i>SNX15</i>, <i>ATP2A1</i>, <i>PDCD10</i>, <i>BET1</i>, and <i>HMGA2</i>), collectively termed CHOL-hub genes, were identified via integration of differentially expressed genes (DEGs) from relatively large numbers of samples from CHOL GEO datasets. We further explored the biological functions of the CHOL-hub genes and found significant enrichment in several biological process and pathways associated with stem cell angiogenesis, cell proliferation, and cancer development, while the interaction network revealed high genetic interactions with a number of onco-functional genes. In addition, we established associations between the CHOL-hub genes and tumor progression, metastasis, tumor immune and immunosuppressive cell infiltration, dysfunctional T-cell phenotypes, poor prognoses, and therapeutic resistance in CHOL. Thus, we proposed that targeting CHOL-hub genes could be an ideal therapeutic approach for treating CHOLs, and we explored the potential of HLC-018, a novel benzamide-linked small molecule, using molecular docking of ligand-receptor interactions. To our delight, HLC-018 was well accommodated with high binding affinities to binding pockets of CHOL-hub genes; more importantly, we found specific interactions of HLC-018 with the conserved sequence of the AT-hook DNA-binding motif of <i>HMGA2</i>. Altogether, our study provides insights into the immune-oncogenic phenotypes of CHOL and provides valuable information for our ongoing experimental validation.Bashir LawalYu-Cheng KuoSung-Ling TangFeng-Cheng LiuAlexander T. H. WuHung-Yun LinHsu-Shan HuangMDPI AGarticlecholangiocarcinomatumor microenvironmenttherapeutic resistancereceptor-ligand interactionmolecular dockingCHOL-hub geneBiology (General)QH301-705.5ENCells, Vol 10, Iss 2873, p 2873 (2021)
institution DOAJ
collection DOAJ
language EN
topic cholangiocarcinoma
tumor microenvironment
therapeutic resistance
receptor-ligand interaction
molecular docking
CHOL-hub gene
Biology (General)
QH301-705.5
spellingShingle cholangiocarcinoma
tumor microenvironment
therapeutic resistance
receptor-ligand interaction
molecular docking
CHOL-hub gene
Biology (General)
QH301-705.5
Bashir Lawal
Yu-Cheng Kuo
Sung-Ling Tang
Feng-Cheng Liu
Alexander T. H. Wu
Hung-Yun Lin
Hsu-Shan Huang
Transcriptomic-Based Identification of the Immuno-Oncogenic Signature of Cholangiocarcinoma for HLC-018 Multi-Target Therapy Exploration
description Cholangiocarcinomas (CHOLs), hepatobiliary malignancies, are characterized by high genetic heterogeneity, a rich tumor microenvironment, therapeutic resistance, difficulty diagnosing, and poor prognoses. Current knowledge of genetic alterations and known molecular markers for CHOL is insufficient, necessitating the need for further evaluation of the genome and RNA expression data in order to identify potential therapeutic targets, clarify the roles of these targets in the tumor microenvironment, and explore novel therapeutic drugs against the identified targets. Consequently, in our attempt to explore novel genetic markers associated with the carcinogenesis of CHOL, five genes (<i>SNX15</i>, <i>ATP2A1</i>, <i>PDCD10</i>, <i>BET1</i>, and <i>HMGA2</i>), collectively termed CHOL-hub genes, were identified via integration of differentially expressed genes (DEGs) from relatively large numbers of samples from CHOL GEO datasets. We further explored the biological functions of the CHOL-hub genes and found significant enrichment in several biological process and pathways associated with stem cell angiogenesis, cell proliferation, and cancer development, while the interaction network revealed high genetic interactions with a number of onco-functional genes. In addition, we established associations between the CHOL-hub genes and tumor progression, metastasis, tumor immune and immunosuppressive cell infiltration, dysfunctional T-cell phenotypes, poor prognoses, and therapeutic resistance in CHOL. Thus, we proposed that targeting CHOL-hub genes could be an ideal therapeutic approach for treating CHOLs, and we explored the potential of HLC-018, a novel benzamide-linked small molecule, using molecular docking of ligand-receptor interactions. To our delight, HLC-018 was well accommodated with high binding affinities to binding pockets of CHOL-hub genes; more importantly, we found specific interactions of HLC-018 with the conserved sequence of the AT-hook DNA-binding motif of <i>HMGA2</i>. Altogether, our study provides insights into the immune-oncogenic phenotypes of CHOL and provides valuable information for our ongoing experimental validation.
format article
author Bashir Lawal
Yu-Cheng Kuo
Sung-Ling Tang
Feng-Cheng Liu
Alexander T. H. Wu
Hung-Yun Lin
Hsu-Shan Huang
author_facet Bashir Lawal
Yu-Cheng Kuo
Sung-Ling Tang
Feng-Cheng Liu
Alexander T. H. Wu
Hung-Yun Lin
Hsu-Shan Huang
author_sort Bashir Lawal
title Transcriptomic-Based Identification of the Immuno-Oncogenic Signature of Cholangiocarcinoma for HLC-018 Multi-Target Therapy Exploration
title_short Transcriptomic-Based Identification of the Immuno-Oncogenic Signature of Cholangiocarcinoma for HLC-018 Multi-Target Therapy Exploration
title_full Transcriptomic-Based Identification of the Immuno-Oncogenic Signature of Cholangiocarcinoma for HLC-018 Multi-Target Therapy Exploration
title_fullStr Transcriptomic-Based Identification of the Immuno-Oncogenic Signature of Cholangiocarcinoma for HLC-018 Multi-Target Therapy Exploration
title_full_unstemmed Transcriptomic-Based Identification of the Immuno-Oncogenic Signature of Cholangiocarcinoma for HLC-018 Multi-Target Therapy Exploration
title_sort transcriptomic-based identification of the immuno-oncogenic signature of cholangiocarcinoma for hlc-018 multi-target therapy exploration
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/c50411c8735f464bb34f797892f3c59d
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