1
|
Lin MS, Jo SY, Luebeck J, Chang HY, Wu S, Mischel PS, Bafna V. Transcriptional immune suppression and up-regulation of double-stranded DNA damage and repair repertoires in ecDNA-containing tumors. eLife 2024; 12:RP88895. [PMID: 38896472 PMCID: PMC11186631 DOI: 10.7554/elife.88895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024] Open
Abstract
Extrachromosomal DNA is a common cause of oncogene amplification in cancer. The non-chromosomal inheritance of ecDNA enables tumors to rapidly evolve, contributing to treatment resistance and poor outcome for patients. The transcriptional context in which ecDNAs arise and progress, including chromosomally-driven transcription, is incompletely understood. We examined gene expression patterns of 870 tumors of varied histological types, to identify transcriptional correlates of ecDNA. Here, we show that ecDNA-containing tumors impact four major biological processes. Specifically, ecDNA-containing tumors up-regulate DNA damage and repair, cell cycle control, and mitotic processes, but down-regulate global immune regulation pathways. Taken together, these results suggest profound alterations in gene regulation in ecDNA-containing tumors, shedding light on molecular processes that give rise to their development and progression.
Collapse
Affiliation(s)
- Miin S Lin
- Bioinformatics and Systems Biology Graduate Program, University of California, San DiegoLa JollaUnited States
| | - Se-Young Jo
- Department of Biomedical Systems Informatics and Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of MedicineSeoulRepublic of Korea
| | - Jens Luebeck
- Department of Computer Science and Engineering, University of California, San DiegoLa JollaUnited States
| | - Howard Y Chang
- Center for Personal Dynamic Regulomes, Stanford UniversityStanfordUnited States
- Department of Genetics, Stanford UniversityStanfordUnited States
- Howard Hughes Medical Institute, Stanford UniversityStanfordUnited States
| | - Sihan Wu
- Children’s Medical Center Research Institute, University of Texas Southwestern Medical CenterDallasUnited States
| | - Paul S Mischel
- Sarafan Chemistry, Engineering, and Medicine for Human Health (Sarafan ChEM-H), Stanford UniversityStanfordUnited States
- Department of Pathology, Stanford University School of MedicineStanfordUnited States
| | - Vineet Bafna
- Department of Computer Science and Engineering, University of California, San DiegoLa JollaUnited States
- Halıcıoğlu Data Science Institute, University of California, San DiegoLa JollaUnited States
| |
Collapse
|
2
|
Hashimoto M, Masuda T, Nakano Y, Tobo T, Saito H, Koike K, Takahashi J, Abe T, Ando Y, Ozato Y, Hosoda K, Higuchi S, Hisamatsu Y, Toshima T, Yonemura Y, Hata T, Uemura M, Eguchi H, Doki Y, Mori M, Mimori K. Tumor suppressive role of the epigenetic master regulator BRD3 in colorectal cancer. Cancer Sci 2024; 115:1866-1880. [PMID: 38494600 PMCID: PMC11145117 DOI: 10.1111/cas.16129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 02/13/2024] [Accepted: 02/16/2024] [Indexed: 03/19/2024] Open
Abstract
Bromodomain and extraterminal domain (BET) family proteins are epigenetic master regulators of gene expression via recognition of acetylated histones and recruitment of transcription factors and co-activators to chromatin. Hence, BET family proteins have emerged as promising therapeutic targets in cancer. In this study, we examined the functional role of bromodomain containing 3 (BRD3), a BET family protein, in colorectal cancer (CRC). In vitro and vivo analyses using BRD3-knockdown or BRD3-overexpressing CRC cells showed that BRD3 suppressed tumor growth and cell cycle G1/S transition and induced p21 expression. Clinical analysis of CRC datasets from our hospital or The Cancer Genome Atlas revealed that BET family genes, including BRD3, were overexpressed in tumor tissues. In immunohistochemical analyses, BRD3 was observed mainly in the nucleus of CRC cells. According to single-cell RNA sequencing in untreated CRC tissues, BRD3 was highly expressed in malignant epithelial cells, and cell cycle checkpoint-related pathways were enriched in the epithelial cells with high BRD3 expression. Spatial transcriptomic and single-cell RNA sequencing analyses of CRC tissues showed that BRD3 expression was positively associated with high p21 expression. Furthermore, overexpression of BRD3 combined with knockdown of, a driver gene in the BRD family, showed strong inhibition of CRC cells in vitro. In conclusion, we demonstrated a novel tumor suppressive role of BRD3 that inhibits tumor growth by cell cycle inhibition in part via induction of p21 expression. BRD3 activation might be a novel therapeutic approach for CRC.
Collapse
Affiliation(s)
- Masahiro Hashimoto
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
- Department of Gastroenterological SurgeryOsaka University Graduate School of MedicineSuitaJapan
| | - Takaaki Masuda
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
| | - Yusuke Nakano
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
- Department of Gastroenterological SurgeryOsaka University Graduate School of MedicineSuitaJapan
| | - Taro Tobo
- Department of PathologyKyushu University Beppu HospitalBeppuJapan
| | - Hideyuki Saito
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
| | - Kensuke Koike
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
| | | | - Tadashi Abe
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
| | - Yuki Ando
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
| | - Yuki Ozato
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
- Department of Gastroenterological SurgeryOsaka University Graduate School of MedicineSuitaJapan
| | - Kiyotaka Hosoda
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
| | - Satoshi Higuchi
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
- Department of Gastroenterological SurgeryOsaka University Graduate School of MedicineSuitaJapan
| | | | - Takeo Toshima
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
| | - Yusuke Yonemura
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
| | - Tsuyoshi Hata
- Department of Gastroenterological SurgeryOsaka University Graduate School of MedicineSuitaJapan
| | - Mamoru Uemura
- Department of Gastroenterological SurgeryOsaka University Graduate School of MedicineSuitaJapan
| | - Hidetoshi Eguchi
- Department of Gastroenterological SurgeryOsaka University Graduate School of MedicineSuitaJapan
| | - Yuichiro Doki
- Department of Gastroenterological SurgeryOsaka University Graduate School of MedicineSuitaJapan
| | - Masaki Mori
- Tokai University School of MedicineIseharaJapan
| | - Koshi Mimori
- Department of SurgeryKyushu University Beppu HospitalBeppuJapan
| |
Collapse
|
3
|
Wang S, Sun Y, Li C, Chong Y, Ai M, Wang Y, Shi H, Shang Y. TH1L involvement in colorectal cancer pathogenesis by regulation of CCL20 through the NF-κB signalling pathway. J Cell Mol Med 2024; 28:e18391. [PMID: 38809918 PMCID: PMC11135906 DOI: 10.1111/jcmm.18391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 04/12/2024] [Accepted: 04/27/2024] [Indexed: 05/31/2024] Open
Abstract
TH1L (also known as NELF-C/D) is a member of the Negative Elongation Factor (NELF) complex, which is a metazoan-specific factor that regulates RNA Polymerase II (RNAPII) pausing and transcription elongation. However, the function and molecular mechanisms of TH1L in cancer progression are still largely unknown. In this study, we found that TH1L was highly expressed in colorectal cancer (CRC) tissues and the faeces of CRC patients. Overexpression of TH1L significantly enhanced the proliferation and migration of CRC cells, while its knockdown markedly suppressed these processes. In mechanism, RNA sequencing revealed that CCL20 was upregulated in TH1L-overexpressed CRC cells, leading to activation of the NF-κB signalling pathway. Rescue assays showed that knockdown of CCL20 could impair the tumour-promoting effects of THIL in CRC cells. Taken together, these results suggest that TH1L may play a vital role via the CCL20/NF-κB signalling pathway in CRC proliferation and migration and may serve as a potential target for diagnosis and therapy of CRC.
Collapse
Affiliation(s)
- Shaochang Wang
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life SciencesBeijing Normal UniversityBeijingChina
| | - Yujing Sun
- Department of Laboratory MedicinePeking University International HospitalBeijingChina
| | - Chunya Li
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life SciencesBeijing Normal UniversityBeijingChina
| | - Yueyang Chong
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life SciencesBeijing Normal UniversityBeijingChina
- Department of Cancer Precision Medicine, The MED‐X InstituteThe First Affiliated Hospital of Xi‘an Jiaotong UniversityXi‘anChina
| | - Meihong Ai
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life SciencesBeijing Normal UniversityBeijingChina
| | - Yanxia Wang
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life SciencesBeijing Normal UniversityBeijingChina
| | - Haiyun Shi
- Department of GastroenterologyBeijing Friendship Hospital, National Clinical Research Center for Digestive Diseases, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Diseases, Capital Medical UniversityBeijingChina
| | - Yu Shang
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, College of Life SciencesBeijing Normal UniversityBeijingChina
| |
Collapse
|
4
|
Dong W, Li X, Cheng L, Yang J, Zhao Z, Qiang X, Li P, Wu J, Guo L. RAE1 promotes gastric carcinogenesis and epithelial-mesenchymal transition. Arch Biochem Biophys 2024; 754:109896. [PMID: 38417691 DOI: 10.1016/j.abb.2024.109896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 01/16/2024] [Accepted: 01/18/2024] [Indexed: 03/01/2024]
Abstract
AIMS The purpose of this study was to explore the role of RAE1 in the invasion and metastasis of gastric cancer (GC) cells. MATERIALS AND METHODS RAE1 expression in GC cells was determined by reverse-transcription polymerase chain reaction (qRT-PCR) and Western blotting (WB). Cell models featuring RAE1 gene silencing and overexpression were constructed by lentiviral transfection; The proliferation, migration, and invasion ability of cells were detected by cell counting, colony formation assay, would healing assay, and transwell invasion and migration test. WB analysis of ERK/MAPK signaling pathway (ERK1/2, p-ERK1/2, c-Myc) and EMT-related molecules (ZEB1, E-cadherin, N-cadherin, and Vimentin). RESULTS The expression level of RAE1 in GC was notably higher than in adjacent tissues. Elevated RAE1 expression correlated with an unfavorable prognosis for GC patients. Knockdown of RAE1, as compared to the control group, resulted in a significant inhibition of proliferation, migration, and invasion abilities in GC cell lines. Furthermore, RAE1 knockdown led to a substantial decrease in the expression of N-cadherin, vimentin, ZEB1, p-ERK1/2, and c-Myc proteins, coupled with a marked increase in E-cadherin expression. The biological effects of RAE1 in GC cells were effectively reversed by the inhibition of the ERK/MAPK signaling pathway using SCH772984. Additionally, RAE1 knockdown demonstrated a suppressive effect on GC tumor size in vivo. Immunohistochemistry (IHC) results revealed significantly lower expression of Ki-67 in RAE1 knockout mice compared to the control group. CONCLUSIONS RAE1 promotes GC cell migration and invasion through the ERK/MAPK pathway and is a potential therapeutic target for GC therapy.
Collapse
Affiliation(s)
- Wenhui Dong
- Department of Gastroenterology, First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Xiaofei Li
- Department of Gastroenterology, First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Lulu Cheng
- Department of Gastroenterology, First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Jing Yang
- Department of Pathology, First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Ziyan Zhao
- Department of Hematology, First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Xihui Qiang
- Department of Gastroenterology, First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Pengmei Li
- Department of Gastroenterology, First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Ju Wu
- Department of General Surgery, Affiliated Zhongshan Hospital of Dalian University, Dalian, China.
| | - Lianyi Guo
- Department of Gastroenterology, First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China.
| |
Collapse
|
5
|
Lin MS, Jo SY, Luebeck J, Chang HY, Wu S, Mischel PS, Bafna V. Transcriptional immune suppression and upregulation of double stranded DNA damage and repair repertoires in ecDNA-containing tumors. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.24.537925. [PMID: 37162993 PMCID: PMC10168239 DOI: 10.1101/2023.04.24.537925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Extrachromosomal DNA is a common cause of oncogene amplification in cancer. The non-chromosomal inheritance of ecDNA enables tumors to rapidly evolve, contributing to treatment resistance and poor outcome for patients. The transcriptional context in which ecDNAs arise and progress, including chromosomally-driven transcription, is incompletely understood. We examined gene expression patterns of 870 tumors of varied histological types, to identify transcriptional correlates of ecDNA. Here we show that ecDNA containing tumors impact four major biological processes. Specifically, ecDNA containing tumors upregulate DNA damage and repair, cell cycle control, and mitotic processes, but downregulate global immune regulation pathways. Taken together, these results suggest profound alterations in gene regulation in ecDNA containing tumors, shedding light on molecular processes that give rise to their development and progression.
Collapse
Affiliation(s)
- Miin S. Lin
- Bioinformatics and Systems Biology Graduate Program, University of California at San Diego, La Jolla, CA, USA
| | - Se-Young Jo
- Department of Biomedical Systems Informatics and Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea
| | - Jens Luebeck
- Department of Computer Science and Engineering, University of California at San Diego, La Jolla, CA, USA
| | - Howard Y. Chang
- Center for Personal Dynamic Regulomes, Stanford University, Stanford, CA, USA
- Department of Genetics, Stanford University, Stanford, CA, USA
- Howard Hughes Medical Institute, Stanford University, Stanford, CA, USA
| | - Sihan Wu
- Children’s Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Paul S. Mischel
- Sarafan Chemistry, Engineering, and Medicine for Human Health (Sarafan ChEM-H), Stanford University, Stanford, CA, USA
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Vineet Bafna
- Department of Computer Science and Engineering, University of California at San Diego, La Jolla, CA, USA
- Halıcıoğlu Data Science Institute, University of California at San Diego, La Jolla, CA, USA
| |
Collapse
|
6
|
Kosai K, Masuda T, Kitagawa A, Tobo T, Ono Y, Ando Y, Takahashi J, Haratake N, Kohno M, Takenaka T, Yoshizumi T, Mimori K. Transducin Beta-Like 2 is a Potential Driver Gene that Adapts to Endoplasmic Reticulum Stress to Promote Tumor Growth of Lung Adenocarcinoma. Ann Surg Oncol 2023; 30:7538-7548. [PMID: 37477745 DOI: 10.1245/s10434-023-13864-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 06/19/2023] [Indexed: 07/22/2023]
Abstract
BACKGROUND Endoplasmic reticulum (ER) stress has a close relation with cancer progression. Blocking the adaptive pathway of ER stress could be an anticancer strategy. Here, we identified an ER stress-related gene, Transducin beta-like 2 (TBL2), an ER-localized type I transmembrane protein, on increased chromosome 7q as a candidate driver gene of lung adenocarcinoma (LUAD). METHODS The association between TBL2 mRNA expression and prognostic outcomes and clinicopathological factors was analyzed using The Cancer Genome Atlas (TCGA) datasets of LUAD and lung squamous cell carcinoma (LUSC). Localization of TBL2 in tumor tissues was observed by immunohistochemical staining. Gene set enrichment analysis (GSEA) was conducted using TCGA dataset. In vitro cell proliferation assays were performed using TBL2 knockdown LUAD cells, LUSC cells, and LUAD cells overexpressing TBL2. Apoptosis and ATF4 expression (ER stress marker) were evaluated by western blotting. RESULTS TBL2 was overexpressed in LUAD and LUSC cells. Multivariate analysis indicated high TBL2 mRNA expression was an independent poor prognostic factor of LUAD. GSEA revealed high TBL2 expression was positively correlated to the ER stress response in LUAD. TBL2 knockdown attenuated LUAD cell proliferation under ER stress. TBL2 inhibited apoptosis in LUAD cells under ER stress. TBL2 knockdown reduced ATF4 expression under ER stress. CONCLUSIONS TBL2 may be a novel driver gene that facilitates cell proliferation, possibly by upregulating ATF4 expression followed by adaptation to ER stress, and it is a poor prognostic biomarker of LUAD.
Collapse
Affiliation(s)
- Keisuke Kosai
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, Oita, Japan
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka City, Japan
| | - Takaaki Masuda
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, Oita, Japan
| | - Akihiro Kitagawa
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, Oita, Japan
| | - Taro Tobo
- Department of Pathology, Kyushu University Beppu Hospital, Beppu, Oita, Japan
| | - Yuya Ono
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, Oita, Japan
| | - Yuki Ando
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, Oita, Japan
| | - Junichi Takahashi
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, Oita, Japan
| | - Naoki Haratake
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka City, Japan
| | - Mikihiro Kohno
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka City, Japan
| | - Tomoyoshi Takenaka
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka City, Japan
| | - Tomoharu Yoshizumi
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka City, Japan
| | - Koshi Mimori
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, Oita, Japan.
| |
Collapse
|
7
|
He L, Zhou X, Liu J, Yao Y, Lin J, Chen J, Qiu S, Liu Z, He Y, Yi Y, Zhou X, Zou F. RAE1 promotes nitrosamine-induced malignant transformation of human esophageal epithelial cells through PPARα-mediated lipid metabolism. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 265:115513. [PMID: 37774541 DOI: 10.1016/j.ecoenv.2023.115513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 09/11/2023] [Accepted: 09/21/2023] [Indexed: 10/01/2023]
Abstract
Esophageal cancer (EC) is the sixth cause of cancer-related deaths and still is a significant public health problem globally. Nitrosamines exposure represents a major health concern increasing EC risks. Exploring the mechanisms induced by nitrosamines may contribute to the prevention and early detection of EC. However, the mechanism of nitrosamine carcinogenesis remains unclear. Ribonucleic acid export 1 (RAE1), has an important role in mediating diverse cancer types, but, to date, there has been no study for any functional role of RAE1 in esophageal carcinogenesis. Here, we successfully verified the nitrosamine-induced malignant transformation cell (MNNG-M) by xenograft tumor model, based on which it was found that RAE1 was upregulation in the early stage of nitrosamine-induced esophageal carcinogenesis and EC tissues. RAE1 knockdown led to severe blockade in G2/M phase and significant inhibition of proliferation of MNNG-M cells, whereas RAE1 overexpression had the opposite effect. In addition, peroxisome proliferator-activated receptor-alpha (PPARα), was demonstrated as a downstream target gene of RAE1, and its down-regulation reduced lipid accumulation, resulting in causing cells accumulation in the G2/M phase. Mechanistically, we found that RAE1 regulates the lipid metabolism by maintaining the stability of PPARα mRNA. Taken together, our study reveals that RAE1 promotes malignant transformation of human esophageal epithelial cells (Het-1A) by regulating PPARα-mediated lipid metabolism to affect cell cycle progression, and offers a new explanation of the mechanisms underlying esophageal carcinogenesis.
Collapse
Affiliation(s)
- Ling He
- Department of Occupational Health and Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1838 Guangzhou Road North, Guangzhou 510515, China
| | - Xiangjun Zhou
- Department of Occupational Health and Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1838 Guangzhou Road North, Guangzhou 510515, China
| | - Jia Liu
- Department of Occupational Health and Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1838 Guangzhou Road North, Guangzhou 510515, China
| | - Yina Yao
- Department of Occupational Health and Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1838 Guangzhou Road North, Guangzhou 510515, China
| | - Junyuan Lin
- Department of Occupational Health and Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1838 Guangzhou Road North, Guangzhou 510515, China
| | - Jialong Chen
- Department of Preventive Medicine, School of Public Health, Guangdong Medical University, Dongguan 523808, China
| | - Shizhen Qiu
- Department of Occupational Health and Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1838 Guangzhou Road North, Guangzhou 510515, China
| | - Zeyu Liu
- Department of Occupational Health and Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1838 Guangzhou Road North, Guangzhou 510515, China
| | - Yingzheng He
- Department of Occupational Health and Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1838 Guangzhou Road North, Guangzhou 510515, China
| | - Yujie Yi
- Department of Occupational Health and Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1838 Guangzhou Road North, Guangzhou 510515, China
| | - Xueqiong Zhou
- Department of Occupational Health and Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1838 Guangzhou Road North, Guangzhou 510515, China.
| | - Fei Zou
- Department of Occupational Health and Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1838 Guangzhou Road North, Guangzhou 510515, China.
| |
Collapse
|
8
|
Zhu Q, He P, Zheng C, Chen Z, Qi S, Zhou D, Li Y, Ouyang Q, Zi H, Tang H, Xing J, Xie Y, Zhu S, Ren J, Huang J. Identification and evaluation of novel serum autoantibody biomarkers for early diagnosis of gastric cancer and precancerous lesion. J Cancer Res Clin Oncol 2023:10.1007/s00432-023-04732-z. [PMID: 37079049 DOI: 10.1007/s00432-023-04732-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 03/30/2023] [Indexed: 04/21/2023]
Abstract
PURPOSE Early diagnosis is crucial for optimal prognosis of gastric cancer (GC). Hereby, we aimed to identify novel serum autoantibody-based biomarkers for precancerous lesion (PL) and early GC. METHODS We performed serological proteome analysis (SERPA) combined with nanoliter-liquid chromatography combined with quadrupole time of flight tandem mass spectrometry (Nano-LC-Q-TOF-MS/MS) to screen for GC-associated autoantibodies. The identified autoantibodies were analyzed for potential detection value for PL and GC by enzyme-linked immunosorbent assay (ELISA). Receiver operating characteristic (ROC) curves analysis was conducted to evaluate the accuracy of the biomarkers. RESULTS We identified seven candidates, such as mRNA export factor (RAE1), Nucleophosmin 1 (NPM1), phosphoglycerate kinase 1 (PGK1), and ADP-ribosylation factor 4 (ARF4). Antibodies against all seven proteins were present at higher levels in sera from 242 patients (51 PL, 78 early GC, 113 advanced GC) compared with sera from 122 healthy individuals. RAE1-specific autoantibody discriminated best between patients at different GC stages, with area under the curve (AUC) values of 0.710, 0.745, and 0.804 for PL, early GC, and advanced GC, respectively. Two predictive models composed of gender, RAE1, PGK1, NPM1, and ARF4 autoantibodies (Model 2 for PL) and of age, gender, RAE1, PGK1, and NPM1 autoantibodies (Model 3 for early GC) had improved diagnostic efficiencies, with AUCs of 0.803 and 0.857, sensitivities of 66.7% and 75.6%, and specificities of 78.7% and 87.7%, respectively. CONCLUSION The identified serum tumor-associated autoantibodies (TAAbs) may have good potential for early detection of GC and PL.
Collapse
Affiliation(s)
- Qianyu Zhu
- Beijing Institute of Clinical Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Pingping He
- Beijing Institute of Clinical Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Cuiling Zheng
- Department of Clinical Laboratory, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Zhibin Chen
- Beijing Institute of Clinical Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Saiping Qi
- Beijing Institute of Clinical Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Donghu Zhou
- Beijing Institute of Clinical Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Yanmeng Li
- Beijing Institute of Clinical Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Qin Ouyang
- Beijing Institute of Clinical Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Huaduan Zi
- Beijing Institute of Clinical Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Hengcheng Tang
- Beijing Institute of Clinical Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Jie Xing
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Yibin Xie
- Department of Pancreatic and Gastric Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
| | - Shengtao Zhu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China.
| | - Jiansong Ren
- Office of Cancer Screening, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
| | - Jian Huang
- Beijing Institute of Clinical Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China.
| |
Collapse
|
9
|
Liu X, Peng S, Tang G, Xu G, Xie Y, Shen D, Zhu M, Huang Y, Wang X, Yu H, Huang M, Luo Y. Fasting-mimicking diet synergizes with ferroptosis against quiescent, chemotherapy-resistant cells. EBioMedicine 2023; 90:104496. [PMID: 36863257 PMCID: PMC9996234 DOI: 10.1016/j.ebiom.2023.104496] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND More than ten randomized clinical trials are being tested to evaluate the efficacy, effectiveness and safety of a fasting-mimicking diet (FMD) combined with different antitumor agents. METHODS UMI-mRNA sequencing, Cell-cycle analysis, Label retention, metabolomics, Multilabeling et al. were used to explore mechanisms. A tandem mRFP-GFP-tagged LC3B, Annexin-V-FITC Apoptosis, TUNEL, H&E, Ki-67 and animal model was used to search for synergistic drugs. FINDINGS Here we showed that fasting or FMD retards tumor growth more effectively but does not increase 5-fluorouracil/oxaliplatin (5-FU/OXA) sensitivity to apoptosis in vitro and in vivo. Mechanistically, we demonstrated that CRC cells would switch from an active proliferative to a slow-cycling state during fasting. Furthermore, metabolomics shows cell proliferation was decreased to survive nutrient stress in vivo, as evidenced by a low level of adenosine and deoxyadenosine monophosphate. CRC cells would decrease proliferation to achieve increased survival and relapse after chemotherapy. In addition, these fasting-induced quiescent cells were more prone to develop drug-tolerant persister (DTP) tumor cells postulated to be responsible for cancer relapse and metastasis. Then, UMI-mRNA sequencing uncovered the ferroptosis pathway as the pathway most influenced by fasting. Combining fasting with ferroptosis inducer treatment leads to tumor inhibition and eradication of quiescent cells by boosting autophagy. INTERPRETATION Our results suggest that ferroptosis could improve the antitumor activity of FMD + chemotherapy and highlight a potential therapeutic opportunity to avoid DTP cells-driven tumor relapse and therapy failure. FUNDING A full list of funding bodies can be found in the Acknowledgements section.
Collapse
Affiliation(s)
- Xiaoxia Liu
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China.
| | - Shaoyong Peng
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Guannan Tang
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Gaopo Xu
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Yumo Xie
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Dingcheng Shen
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Mingxuan Zhu
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Yaoyi Huang
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xiaolin Wang
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Huichuan Yu
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Meijin Huang
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yanxin Luo
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China.
| |
Collapse
|
10
|
Pape J, Micalet A, Alsheikh W, Ezbakh N, Virjee RI, Al Hosni R, Moeendarbary E, Cheema U. Biophysical Parameters Can Induce Epithelial-to-Mesenchymal Phenotypic and Genotypic Changes in HT-29 Cells: A Preliminary Study. Int J Mol Sci 2023; 24:3956. [PMID: 36835368 PMCID: PMC9962772 DOI: 10.3390/ijms24043956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/09/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023] Open
Abstract
Epithelial to mesenchymal transition (EMT) in cancer is the process described where cancer epithelial cells acquire mesenchymal properties which can lead to enhanced invasiveness. Three-dimensional cancer models often lack the relevant and biomimetic microenvironment parameters appropriate to the native tumour microenvironment thought to drive EMT. In this study, HT-29 epithelial colorectal cells were cultivated in different oxygen and collagen concentrations to investigate how these biophysical parameters influenced invasion patterns and EMT. Colorectal HT-29 cells were grown in physiological hypoxia (5% O2) and normoxia (21% O2) in 2D, 3D soft (60 Pa), and 3D stiff (4 kPa) collagen matrices. Physiological hypoxia was sufficient to trigger expression of markers of EMT in the HT-29 cells in 2D by day 7. This is in contrast to a control breast cancer cell line, MDA-MB-231, which expresses a mesenchymal phenotype regardless of the oxygen concentration. In 3D, HT-29 cells invaded more extensively in a stiff matrix environment with corresponding increases in the invasive genes MMP2 and RAE1. This demonstrates that the physiological environment can directly impact HT-29 cells in terms of EMT marker expression and invasion, compared to an established cell line, MDA-MB-231, which has already undergone EMT. This study highlights the importance of the biophysical microenvironment to cancer epithelial cells and how these factors can direct cell behaviour. In particular, that stiffness of the 3D matrix drives greater invasion in HT-29 cells regardless of hypoxia. It is also pertinent that some cell lines (already having undergone EMT) are not as sensitive to the biophysical features of their microenvironment.
Collapse
Affiliation(s)
- Judith Pape
- Centre for 3D Models of Health and Disease, Department of Targeted Intervention, Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK
| | - Auxtine Micalet
- Centre for 3D Models of Health and Disease, Department of Targeted Intervention, Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK
- Department of Mechanical Engineering, University College London, Gower Street, London WC1E 6BT, UK
| | - Wissal Alsheikh
- Centre for 3D Models of Health and Disease, Department of Targeted Intervention, Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK
| | - Nadia Ezbakh
- Centre for 3D Models of Health and Disease, Department of Targeted Intervention, Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK
| | - Rania-Iman Virjee
- Centre for 3D Models of Health and Disease, Department of Targeted Intervention, Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK
| | - Rawiya Al Hosni
- Centre for 3D Models of Health and Disease, Department of Targeted Intervention, Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK
| | - Emad Moeendarbary
- Department of Mechanical Engineering, University College London, Gower Street, London WC1E 6BT, UK
| | - Umber Cheema
- Centre for 3D Models of Health and Disease, Department of Targeted Intervention, Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK
| |
Collapse
|
11
|
Effects of the Exposure of Human Non-Tumour Cells to Sera of Pancreatic Cancer Patients. Biomedicines 2022; 10:biomedicines10102588. [PMID: 36289850 PMCID: PMC9599555 DOI: 10.3390/biomedicines10102588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 10/10/2022] [Accepted: 10/13/2022] [Indexed: 11/17/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) has high metastatic potential. The “genometastasis” theory proposes that the blood of some cancer patients contains elements able to transform healthy cells by transferring oncogenes. Since findings on genometastasis in PDAC are still scarce, we sought supporting evidence by treating non-tumour HEK293T and hTERT-HPNE human cell lines with sera of PDAC patients. Here, we showed that HEK293T cells have undergone malignant transformation, increased the migration and invasion abilities, and acquired a partial chemoresistance, whereas hTERT-HPNE cells were almost refractory to transformation by patients’ sera. Next-generation sequencing showed that transformed HEK293T cells gained and lost several genomic regions, harbouring genes involved in many cancer-associated processes. Our results support the genometastasis theory, but further studies are needed for the identification of the circulating transforming elements. Such elements could also be useful biomarkers in liquid biopsy assays.
Collapse
|
12
|
RAE1 is a prognostic biomarker and is correlated with clinicopathological characteristics of patients with hepatocellular carcinoma. BMC Bioinformatics 2022; 23:252. [PMID: 35751040 PMCID: PMC9233330 DOI: 10.1186/s12859-022-04806-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 06/16/2022] [Indexed: 11/10/2022] Open
Abstract
Background Hepatocellular carcinoma (HCC) is a primary malignant tumor that accounts for approximately 90% of all cases of primary liver cancer worldwide. Microtubule alterations may contribute to the broad spectrum of resistance to chemotherapy, tumor development, and cell survival. This study aimed to assess the value of ribonucleic acid export 1 (RAE1), as a regulator of microtubules, in the diagnosis and prognosis of HCC, and to analyze its correlation with genetic mutations and pathways in HCC. Results The mRNA and protein levels of RAE1 were significantly elevated in HCC tissues compared with those in normal tissues. The high expression level of RAE1 was correlated with T stage, pathologic stage, tumor status, histologic grade, and alpha-fetoprotein level. HCC patients with a higher expression level of RAE1 had a poorer prognosis, and the expression level of RAE1 showed the ability to accurately distinguish tumor tissues from normal tissues (area under the curve (AUC) = 0.951). The AUC values of 1-, 3-, and 5-year survival rates were all above 0.6. The multivariate Cox regression analysis showed that RAE1 expression level was an independent prognostic factor for a shorter overall survival of HCC patients. The rate of RAE1 genetic alterations was 1.1% in HCC samples. Gene ontology and kyoto encyclopedia of genes and genomes pathway enrichment analyses indicated the co-expressed genes of RAE1 were mainly related to chromosome segregation, DNA replication, and cell cycle checkpoint. Protein–protein interaction analysis showed that RAE1 was closely correlated with NUP205, NUP155, NUP214, NUP54, and NXF1, all playing important roles in cell division and mitotic checkpoint. Conclusion RAE1 can be a potential diagnostic and prognostic biomarker associated with microtubules and a therapeutic target for HCC. Supplementary Information The online version contains supplementary material available at 10.1186/s12859-022-04806-8.
Collapse
|
13
|
Zou JY, Huang YJ, He J, Tang ZX, Qin L. Glycolytic and fatty acid oxidation genes affect the treatment and prognosis of liver cancer. World J Clin Cases 2022; 10:4737-4760. [PMID: 35801051 PMCID: PMC9198879 DOI: 10.12998/wjcc.v10.i15.4737] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 02/02/2022] [Accepted: 04/04/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Metabolic reprogramming is a feature of tumour cells and is essential to support their rapid proliferation. The glycolytic activity of liver cancer cells is significantly higher than that of normal liver cells, and the rapidly proliferating tumour cells are powered by aerobic glycolysis. Lipid metabolism reprogramming enables tumour cells to meet their needs for highly proliferative growth and is an important driving force for the development of hepatocellular carcinoma (HCC).
AIM To explore the influence of different metabolic subtypes of HCC and analyse their significance in guiding prognosis and treatment based on the molecular mechanism of glycolysis and fatty acid oxidation (FAO).
METHODS By downloading related data from public databases including the Cancer Genome Atlas (TCGA), the Molecular Signatures Database, and International Cancer Genome Consortium, we utilised unsupervised consensus clustering to divide TCGA Liver Hepatocellular Carcinoma samples into four metabolic subgroups and compared single nucleotide polymorphism, copy number variation, tumour microenvironment, and Genomics of Drug Sensitivity in Cancer and Tumour Immune Dysfunction and Exclusion between different metabolites. The differences and causes of survival and the clinical characteristics between them were analysed, and a prognostic model was established based on glycolysis and FAO genes. Combined with the clinical features, a Norman diagram was created to compare the pros and cons of each model.
RESULTS In the four metabolic subgroups, with the increase in glycolytic expression, the median survival of patients showed the worst results, while FAO showed the best. When comparing the follow-up analysis of each group, we considered that the differences between them might be related to reactive oxygen species, somatic copy number variation of key genes, and immune microenvironment. It was also found that the FAO group and the low-risk group had better efficacy and response to immune checkpoint blockade treatment and anti-tumour drugs.
CONCLUSION There are obvious differences in genes, chromosomes, and clinical characteristics between metabolic subgroups. The establishment of a prognostic model could predict patient prognosis and guide clinical treatment.
Collapse
Affiliation(s)
- Jia-Yue Zou
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu Province, China
| | - Yu-Jie Huang
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu Province, China
| | - Jun He
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu Province, China
| | - Zu-Xiong Tang
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu Province, China
| | - Lei Qin
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, Jiangsu Province, China
| |
Collapse
|
14
|
Abstract
Nuclear pore complexes (NPCs) at the surface of nuclear membranes play a critical role in regulating the transport of both small molecules and macromolecules between the cell nucleus and cytoplasm via their multilayered spiderweb-like central channel. During mitosis, nuclear envelope breakdown leads to the rapid disintegration of NPCs, allowing some NPC proteins to play crucial roles in the kinetochore structure, spindle bipolarity, and centrosome homeostasis. The aberrant functioning of nucleoporins (Nups) and NPCs has been associated with autoimmune diseases, viral infections, neurological diseases, cardiomyopathies, and cancers, especially leukemia. This Special Issue highlights several new contributions to the understanding of NPC proteostasis.
Collapse
|
15
|
Kobayashi Y, Masuda T, Fujii A, Shimizu D, Sato K, Kitagawa A, Tobo T, Ozato Y, Saito H, Kuramitsu S, Noda M, Otsu H, Mizushima T, Doki Y, Eguchi H, Mori M, Mimori K. Mitotic checkpoint regulator RAE1 promotes tumor growth in colorectal cancer. Cancer Sci 2021; 112:3173-3189. [PMID: 34008277 PMCID: PMC8353924 DOI: 10.1111/cas.14969] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 05/05/2021] [Accepted: 05/06/2021] [Indexed: 12/19/2022] Open
Abstract
Microtubules are among the most successful targets for anticancer therapy because they play important roles in cell proliferation as they constitute the mitotic spindle, which is critical for chromosome segregation during mitosis. Hence, identifying new therapeutic targets encoding proteins that regulate microtubule assembly and function specifically in cancer cells is critical. In the present study, we identified a candidate gene that promotes tumor progression, ribonucleic acid export 1 (RAE1), a mitotic checkpoint regulator, on chromosome 20q through a bioinformatics approach using datasets of colorectal cancer (CRC), including The Cancer Genome Atlas (TCGA). RAE1 was ubiquitously amplified and overexpressed in tumor cells. High expression of RAE1 in tumor tissues was positively associated with distant metastasis and was an independent poor prognostic factor in CRC. In vitro and in vivo analysis showed that RAE1 promoted tumor growth, inhibited apoptosis, and promoted cell cycle progression, possibly with a decreased proportion of multipolar spindle cells in CRC. Furthermore, RAE1 induced chemoresistance through its anti-apoptotic effect. In addition, overexpression of RAE1 and significant effects on survival were observed in various types of cancer, including CRC. In conclusion, we identified RAE1 as a novel gene that facilitates tumor growth in part by inhibiting apoptosis and promoting cell cycle progression through stabilizing spindle bipolarity and facilitating tumor growth. We suggest that it is a potential therapeutic target to overcome therapeutic resistance of CRC.
Collapse
Affiliation(s)
- Yuta Kobayashi
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan.,Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Takaaki Masuda
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan
| | - Atsushi Fujii
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan
| | - Dai Shimizu
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan
| | - Kuniaki Sato
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan
| | - Akihiro Kitagawa
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan.,Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Taro Tobo
- Department of Clinical Laboratory Medicine, Kyushu University Beppu Hospital, Oita, Japan
| | - Yuki Ozato
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan.,Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Hideyuki Saito
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan
| | - Shotaro Kuramitsu
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan
| | - Miwa Noda
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan
| | - Hajime Otsu
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan
| | - Tsunekazu Mizushima
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yuichiro Doki
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Hidetoshi Eguchi
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Masaki Mori
- Department of Surgery and Science, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
| | - Koshi Mimori
- Department of Surgery, Kyushu University Beppu Hospital, Oita, Japan
| |
Collapse
|