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Qu C, Yan X, Wei Y, Tang F, Li Y. Establishment and validation of a novel CD8+ T cell-associated prognostic signature for predicting clinical outcomes and immunotherapy response in hepatocellular carcinoma via integrating single-cell RNA-seq and bulk RNA-seq. Discov Oncol 2024; 15:235. [PMID: 38900330 PMCID: PMC11190115 DOI: 10.1007/s12672-024-01092-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 06/11/2024] [Indexed: 06/21/2024] Open
Abstract
CD8+ T lymphocytes are critical in the immune response against neoplasms, yet the prognostic relevance of CD8+ T cell-associated genes in hepatocellular carcinoma (HCC) is not fully understood. We sourced single-cell RNA-sequencing (scRNA-seq) and bulk RNA-seq data for HCC from the GSE98638 dataset and The Cancer Genome Atlas (TCGA) repository. We utilized Weighted Gene Correlation Network Analysis (WGCNA) to identify CD8+ T cell-related genes. A clinical prognostic model for risk stratification was then constructed via Cox-Lasso regression analysis. The Immunophenotypic Score (IPS) was utilized to evaluate the potential of immunotherapeutic interventions in the categorized cohorts. Validation of the expression of CD8+ T cell-associated risk genes was performed using quantitative reverse transcription PCR (qRT-PCR). Integrating scRNA-seq with RNA-seq data, we identified five CD8+ T cell-related signature genes: IKBKE, ATP1B3, MSC, ADA, and BATF. Notably, HCC patients in the high-risk group had markedly decreased overall survival. Elevated infiltration levels of CD8+ T cells, B cells, and macrophages were observed in the high-risk group. Moreover, there was a positive correlation between the risk score and immune checkpoints (ICPs), including PDCD1, CD274, and CTLA4. Patients within the high-risk group subject to PD1 and CTLA4 blockade exhibited higher IPS levels. Additionally, the expression of the five risk genes was upregulated in HCC cell lines and tissues compared to normal cells and tissues. Our findings establish a prognostic signature based on CD8+ T cells, offering a potent predictive model for clinical outcomes and responsiveness to immunotherapy in HCC patients.
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Affiliation(s)
- Caihao Qu
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, China
- Key Laboratory of Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Xin Yan
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, China
- Key Laboratory of Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Yujie Wei
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, China
- Key Laboratory of Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Futian Tang
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, China
- Key Laboratory of Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Yumin Li
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, China.
- Key Laboratory of Digestive System Tumors of Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, China.
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2
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Peng C, Wang Y, Zhang H, Chen P. The platelet-related genes associated with the prognosis of HCC by regulating cycling T cell and prolif-TAMs. Heliyon 2024; 10:e26798. [PMID: 38486758 PMCID: PMC10938119 DOI: 10.1016/j.heliyon.2024.e26798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 01/15/2024] [Accepted: 02/20/2024] [Indexed: 03/17/2024] Open
Abstract
Accumulating evidence highlighted the important roles of platelets in the prognosis and progression of various tumors. Nevertheless, the role of platelet-related genes (PRGs) in HCC remains limited. In this work, 92 differentially expressed PRGs were described in HCC using TCGA and ICGC databases. Then, based on the different expressions of PRGs, we explored two subtypes and developed the PRGs prognostic signature in HCC. The PRGs signature was an independent prognosis factor associated with immune cell infiltration in HCC. Furthermore, two external validation sets verified the expression and prognosis of the PRGs signature gene in HCC. Finally, scRNA-seq analysis demonstrated that the signature genes (CENPE and KIF2C) were mainly expressed in cycling T cells and prolif-TAMs. Enrichment analysis showed that CENPE and KIF2C regulated the cell cycle and p53 pathways in these cells. In conclusion, this study builds the PRGs-related risk signature of HCC and reveals the potential mechanism by which these signature genes regulate the immune microenvironment in HCC.
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Affiliation(s)
- Chenjia Peng
- School of Mathematics and Computational Science, Hunan First Normal University, Changsha, 410205, PR China
- The National & Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, 410081, PR China
| | - Ying Wang
- The National & Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, 410081, PR China
| | - Hengbo Zhang
- Physical Education Department, First Hunan Normal University, Changsha, 410081, PR China
| | - Ping Chen
- The National & Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, 410081, PR China
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Soumoy L, Genbauffe A, Mouchart L, Sperone A, Trelcat A, Mukeba-Harchies L, Wells M, Blankert B, Najem A, Ghanem G, Saussez S, Journe F. ATP1A1 is a promising new target for melanoma treatment and can be inhibited by its physiological ligand bufalin to restore targeted therapy efficacy. Cancer Cell Int 2024; 24:8. [PMID: 38178183 PMCID: PMC10765859 DOI: 10.1186/s12935-023-03196-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 12/26/2023] [Indexed: 01/06/2024] Open
Abstract
Despite advancements in treating metastatic melanoma, many patients exhibit resistance to targeted therapies. Our study focuses on ATP1A1, a sodium pump subunit associated with cancer development. We aimed to assess ATP1A1 prognostic value in melanoma patients and examine the impact of its ligand, bufalin, on melanoma cell lines in vitro and in vivo. High ATP1A1 expression (IHC) correlated with reduced overall survival in melanoma patients. Resistance to BRAF inhibitor was linked to elevated ATP1A1 levels in patient biopsies (IHC, qPCR) and cell lines (Western blot, qPCR). Additionally, high ATP1A1 mRNA expression positively correlated with differentiation/pigmentation markers based on data from The Cancer Genome Atlas (TCGA) databases and Verfaillie proliferative gene signature analysis. Bufalin specifically targeted ATP1A1 in caveolae, (proximity ligation assay) and influenced Src phosphorylation (Western blot), thereby disrupting multiple signaling pathways (phosphokinase array). In vitro, bufalin induced apoptosis in melanoma cell lines by acting on ATP1A1 (siRNA experiments) and, in vivo, significantly impeded melanoma growth using a nude mouse xenograft model with continuous bufalin delivery via an osmotic pump. In conclusion, our study demonstrates that ATP1A1 could serve as a prognostic marker for patient survival and a predictive marker for response to BRAF inhibitor therapy. By targeting ATP1A1, bufalin inhibited cell proliferation, induced apoptosis in vitro, and effectively suppressed tumor development in mice. Thus, our findings strongly support ATP1A1 as a promising therapeutic target, with bufalin as a potential agent to disrupt its tumor-promoting activity.
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Affiliation(s)
- Laura Soumoy
- Laboratory of Human Anatomy and Experimental Oncology, Faculty of Medicine and Pharmacy, University of Mons (UMONS), 7000, Mons, Belgium.
- Institut National de la Santé et de la Recherche Médicale (INSERM) U981, Gustave Roussy Cancer Campus, Villejuif, France.
| | - Aline Genbauffe
- Laboratory of Human Anatomy and Experimental Oncology, Faculty of Medicine and Pharmacy, University of Mons (UMONS), 7000, Mons, Belgium
| | - Lena Mouchart
- Laboratory of Human Anatomy and Experimental Oncology, Faculty of Medicine and Pharmacy, University of Mons (UMONS), 7000, Mons, Belgium
| | - Alexandra Sperone
- Laboratory of Human Anatomy and Experimental Oncology, Faculty of Medicine and Pharmacy, University of Mons (UMONS), 7000, Mons, Belgium
| | - Anne Trelcat
- Laboratory of Human Anatomy and Experimental Oncology, Faculty of Medicine and Pharmacy, University of Mons (UMONS), 7000, Mons, Belgium
| | - Léa Mukeba-Harchies
- Laboratory of Human Anatomy and Experimental Oncology, Faculty of Medicine and Pharmacy, University of Mons (UMONS), 7000, Mons, Belgium
| | - Mathilde Wells
- Laboratory of Pharmaceutical Analysis, Faculty of Medicine and Pharmacy, University of Mons (UMONS), 7000, Mons, Belgium
| | - Bertrand Blankert
- Laboratory of Pharmaceutical Analysis, Faculty of Medicine and Pharmacy, University of Mons (UMONS), 7000, Mons, Belgium
| | - Ahmad Najem
- Laboratory of Clinical and Experimental Oncology, Institut Jules Bordet, Université Libre de Bruxelles (ULB), 1000, Brussels, Belgium
| | - Ghanem Ghanem
- Laboratory of Clinical and Experimental Oncology, Institut Jules Bordet, Université Libre de Bruxelles (ULB), 1000, Brussels, Belgium
| | - Sven Saussez
- Laboratory of Human Anatomy and Experimental Oncology, Faculty of Medicine and Pharmacy, University of Mons (UMONS), 7000, Mons, Belgium
- Department of Otolaryngology and Head and Neck Surgery, CHU Saint-Pierre, 1000, Brussels, Belgium
| | - Fabrice Journe
- Laboratory of Human Anatomy and Experimental Oncology, Faculty of Medicine and Pharmacy, University of Mons (UMONS), 7000, Mons, Belgium.
- Laboratory of Clinical and Experimental Oncology, Institut Jules Bordet, Université Libre de Bruxelles (ULB), 1000, Brussels, Belgium.
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4
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Feng Q, Huang Z, Song L, Wang L, Lu H, Wu L. Combining bulk and single-cell RNA-sequencing data to develop an NK cell-related prognostic signature for hepatocellular carcinoma based on an integrated machine learning framework. Eur J Med Res 2023; 28:306. [PMID: 37649103 PMCID: PMC10466881 DOI: 10.1186/s40001-023-01300-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Accepted: 08/18/2023] [Indexed: 09/01/2023] Open
Abstract
BACKGROUND The application of molecular targeting therapy and immunotherapy has notably prolonged the survival of patients with hepatocellular carcinoma (HCC). However, multidrug resistance and high molecular heterogeneity of HCC still prevent the further improvement of clinical benefits. Dysfunction of tumor-infiltrating natural killer (NK) cells was strongly related to HCC progression and survival benefits of HCC patients. Hence, an NK cell-related prognostic signature was built up to predict HCC patients' prognosis and immunotherapeutic response. METHODS NK cell markers were selected from scRNA-Seq data obtained from GSE162616 data set. A consensus machine learning framework including a total of 77 algorithms was developed to establish the gene signature in TCGA-LIHC data set, GSE14520 data set, GSE76427 data set and ICGC-LIRI-JP data set. Moreover, the predictive efficacy on ICI response was externally validated by GSE91061 data set and PRJEB23709 data set. RESULTS With the highest C-index among 77 algorithms, a 11-gene signature was established by the combination of LASSO and CoxBoost algorithm, which classified patients into high- and low-risk group. The prognostic signature displayed a good predictive performance for overall survival rate, moderate to high predictive accuracy and was an independent risk factor for HCC patients' prognosis in TCGA, GEO and ICGC cohorts. Compared with high-risk group, low-risk patients showed higher IPS-PD1 blocker, IPS-CTLA4 blocker, common immune checkpoints expression but lower TIDE score, which indicated low-risk patients might be prone to benefiting from ICI treatment. Moreover, a real-world cohort, PRJEB23709, also revealed better immunotherapeutic response in low-risk group. CONCLUSIONS Overall, the present study developed a gene signature based on NK cell-related genes, which offered a novel platform for prognosis and immunotherapeutic response evaluation of HCC patients.
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Affiliation(s)
- Qian Feng
- Department of Emergency, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, China
| | - Zhihao Huang
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, 1st min de Road, Nanchang, 330000, China
| | - Lei Song
- Department of General Practice, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, China
| | - Le Wang
- Department of Blood Transfusion, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, China
| | - Hongcheng Lu
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, 1st min de Road, Nanchang, 330000, China.
| | - Linquan Wu
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, 1st min de Road, Nanchang, 330000, China.
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5
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Gao H, He J, Cheng CS, Zhuang L, Chen H, Meng Z. Unresectable hepatocellular carcinoma: transarterial chemoembolisation plus Huachansu - a single-center randomised controlled trial. BMJ Support Palliat Care 2023:spcare-2022-003870. [PMID: 37400162 DOI: 10.1136/spcare-2022-003870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 03/08/2023] [Indexed: 07/05/2023]
Abstract
OBJECTIVE Huachansu, a Chinese medicine derived from the dried skin glands of toad venom, has been used in China since the 1970s to treat liver cancer. Transarterial chemoembolisation (TACE) is the standard of care for patients with unresectable hepatocellular carcinoma (HCC). This study evaluated the efficacy and safety of the combination of TACE and Huachansu in unresectable HCC. METHODS From September 2012 to September 2016, 120 patients diagnosed with unresectable HCC were prospectively enrolled. Patients were randomised at a 1:1 ratio into the combined treatment group (Huachansu-TACE) and the TACE treatment group. The primary endpoint was progression-free survival (PFS) and secondary endpoints were overall survival (OS) and safety. The exploration outcome serum Na+/K+-ATPase (NKA) α3 at baseline and 3-month follow-ups were compared for a prognostic role. All patients were subjected to 36-month follow-up. RESULTS A total of 112 patients who completed the study were included in the analysis. PFS and OS were significantly better in the Huachansu-TACE group than in the TACE group (p=0.029 and p=0.025, respectively), with a median PFS of 6.8 and 5.3; and a median OS of 14.8 months and 10.7 months, respectively. Although no prognostic significance was found between the baseline NKA-low and NKA-high groups in the patients' OS (p=0.48), its changes after 3-month follow-up showed significant prognostic values, of which, were 8.5 months and 23.8 months, respectively (p<0.001). Treatment-related adverse events were comparable between groups. CONCLUSIONS Huachansu-TACE is effective in prolonging the PFS and OS in patients with unresectable HCC. TRIAL REGISTRATION NUMBER NCT01715532.
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Affiliation(s)
- Huifeng Gao
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Jian He
- Department of Oncology, Nanchang University, Nanchang, China
| | - Chien-Shan Cheng
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Liping Zhuang
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Hao Chen
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Zhiqiang Meng
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
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6
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Guo Y, Cen K, Yang S, Mai Y, Hong K. Development and validation of an inflammatory response-related signature in triple negative breast cancer for predicting prognosis and immunotherapy. Front Oncol 2023; 13:1175000. [PMID: 37397391 PMCID: PMC10311032 DOI: 10.3389/fonc.2023.1175000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 05/30/2023] [Indexed: 07/04/2023] Open
Abstract
Background Inflammation is one of the most important characteristics of tumor tissue. Signatures based on inflammatory response-related genes (IRGs) can predict prognosis and treatment response in a variety of tumors. However, the clear function of IRGs in the triple negative breast cancer (TNBC) still needs to be explored. Methods IRGs clusters were discovered via consensus clustering, and the prognostic differentially expressed genes (DEGs) across clusters were utilized to develop a signature using a least absolute shrinkage and selection operator (LASSO). Verification analyses were conducted to show the robustness of the signature. The expression of risk genes was identified by RT-qPCR. Lastly, we formulated a nomogram to improve the clinical efficacy of our predictive tool. Results The IRGs signature, comprised of four genes, was developed and was shown to be highly correlated with the prognoses of TNBC patients. In contrast with the performance of the other individual predictors, we discovered that the IRGs signature was remarkably superior. Also, the ImmuneScores were elevated in the low-risk group. The immune cell infiltration showed significant difference between the two groups, as did the expression of immune checkpoints. Conclusion The IRGs signature could act as a biomarker and provide a momentous reference for individual therapy of TNBC.
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Affiliation(s)
- Yangyang Guo
- Department of Thyroid and Breast Surgery, Ningbo First Hospital, Ningbo, Zhejiang, China
| | - Kenan Cen
- Department of Geriatrics, The Affiliated Hospital of Medical School of Ningbo University, Ningbo, Zhejiang, China
| | - Shi Yang
- Department of Thyroid and Breast Surgery, Ningbo First Hospital, Ningbo, Zhejiang, China
| | - Yifeng Mai
- Department of Geriatrics, The Affiliated Hospital of Medical School of Ningbo University, Ningbo, Zhejiang, China
| | - Kai Hong
- Department of Thyroid and Breast Surgery, Ningbo First Hospital, Ningbo, Zhejiang, China
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7
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Feng X, Li J, Li H, Chen X, Liu D, Li R. Bioactive C21 Steroidal Glycosides from Euphorbia kansui Promoted HepG2 Cell Apoptosis via the Degradation of ATP1A1 and Inhibited Macrophage Polarization under Co-Cultivation. Molecules 2023; 28:2830. [PMID: 36985801 PMCID: PMC10058894 DOI: 10.3390/molecules28062830] [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: 02/10/2023] [Revised: 03/16/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Euphorbia kansui is clinically used for the treatment of esophageal cancer, lung cancer, cancerous melanoma, asthma, pleural disorders, ascites, and pertussis, among other conditions. In this study, 12 steroids were obtained and identified from E. kansui, and cynsaccatol L (5), which showed the best effects in terms of inhibiting the proliferation of HepG2 cells and the immune regulation of macrophages. Furthermore, 5 induced typical apoptotic characteristics in HepG2 cells, such as morphological changes and the caspase cascade, as well as inducing autophagy-dependent apoptosis via mitochondrial dysfunction and reactive oxygen species (ROS) accumulation. The antitumor mechanism of 5 might be related to promoting the endocytosis and degradation of ATP1A1 protein and then down-regulating the downstream AKT and ERK signaling pathways. Furthermore, the antiproliferation effect of 5 in co-cultivation with macrophages was investigated, which showed that 5 promoted the apoptosis of HepG2 cells by modulating the release of inflammatory cytokines, such as TNF-α and IFN-γ; regulating the M2-subtype polarization of macrophages; promoting the phagocytosis of macrophages. In conclusion, 5 exerted anti-proliferative effects by promoting the degradation of ATP1A1 and inhibiting the ATP1A1-AKT/ERK signaling pathway in HepG2. Furthermore, it regulated macrophage function in co-cultivation, thereby further exerting adjuvant anti-HepG2 activity.
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Affiliation(s)
- Xiaoyi Feng
- Center for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
- Faculty of basic Medicine, Yunnan University of Chinese Medicine, Kunming 650500, China
| | - Jianchun Li
- Center for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Hongmei Li
- Center for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Xuanqin Chen
- Center for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Dan Liu
- Center for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Rongtao Li
- Center for Pharmaceutical Sciences and Engineering, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
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Choi JH, Lee BS, Jang JY, Lee YS, Kim HJ, Roh J, Shin YS, Woo HG, Kim CH. Single-cell transcriptome profiling of the stepwise progression of head and neck cancer. Nat Commun 2023; 14:1055. [PMID: 36828832 PMCID: PMC9958029 DOI: 10.1038/s41467-023-36691-x] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 02/13/2023] [Indexed: 02/26/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) undergoes stepwise progression from normal tissues to precancerous leukoplakia, primary HNSCC, and metastasized tumors. To delineate the heterogeneity of tumor cells and their interactions during the progression of HNSCC, we employ single-cell RNA-seq profiling for normal to metastasized tumors. We can identify the carcinoma in situ cells in leukoplakia lesions that are not detected by pathological examination. In addition, we identify the cell type subsets of the Galectin 7B (LGALS7B)-expressing malignant cells and CXCL8-expressing fibroblasts, demonstrating that their abundance in tumor tissue is associated with unfavorable prognostic outcomes. We also demonstrate the interdependent ligand-receptor interaction of COL1A1 and CD44 between fibroblasts and malignant cells, facilitating HNSCC progression. Furthermore, we report that the regulatory T cells in leukoplakia and HNSCC tissues express LAIR2, providing a favorable environment for tumor growth. Taken together, our results update the pathobiological insights into cell-cell interactions during the stepwise progression of HNSCCs.
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Affiliation(s)
- Ji-Hye Choi
- Department of Physiology, Ajou University School of Medicine, Suwon, Republic of Korea
- Department of Biomedical Science, Graduate School, Ajou University, Suwon, Republic of Korea
| | - Bok-Soon Lee
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Jeon Yeob Jang
- Department of Biomedical Science, Graduate School, Ajou University, Suwon, Republic of Korea
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Yun Sang Lee
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Hyo Jeong Kim
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Republic of Korea
- Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea
| | - Jin Roh
- Department of Pathology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Yoo Seob Shin
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Republic of Korea
| | - Hyun Goo Woo
- Department of Physiology, Ajou University School of Medicine, Suwon, Republic of Korea.
- Department of Biomedical Science, Graduate School, Ajou University, Suwon, Republic of Korea.
| | - Chul-Ho Kim
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Republic of Korea.
- Department of Pathology, Ajou University School of Medicine, Suwon, Republic of Korea.
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9
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Zhou D, Zhang J, Xiao C, Mo C, Ding BS. Trimethylamine-N-oxide (TMAO) mediates the crosstalk between the gut microbiota and hepatic vascular niche to alleviate liver fibrosis in nonalcoholic steatohepatitis. Front Immunol 2022; 13:964477. [PMID: 36072588 PMCID: PMC9441952 DOI: 10.3389/fimmu.2022.964477] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 08/04/2022] [Indexed: 11/13/2022] Open
Abstract
Liver fibrosis is one main histological characteristic of nonalcoholic steatohepatitis (NASH), a disease paralleling a worldwide surge in metabolic syndromes with no approved therapies. The role of the gut microbiota in NASH pathogenesis has not been thoroughly illustrated, especially how the gut microbiota derives metabolites to influence the distal liver in NASH. Here, we performed 16S rDNA amplicon sequencing analysis of feces from a mouse NASH model induced by a Western diet and CCl4 injury and found genera under Streptococcaceae, Alcaligenaceae, Oscillibacter, and Pseudochrobactrum, which are related metabolites of TMAO. Injection of the gut microbial metabolite TMAO reduced the progression of liver fibrosis in the mouse NASH model. Further analysis revealed that the anti-fibrotic TMAO normalized gut microbiota diversity and preserved liver sinusoidal endothelial cell integrity by inhibiting endothelial beta 1-subunit of Na (+), K (+)-ATPase (ATP1B1) expression. Collectively, our findings suggest TMAO-mediated crosstalk between microbiota metabolites and hepatic vasculature, and perturbation of this crosstalk disrupts sinusoidal vasculature to promote liver fibrosis in NASH.
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Affiliation(s)
- Dengcheng Zhou
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Jing Zhang
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Chengju Xiao
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Chunheng Mo
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China
- *Correspondence: Bi-Sen Ding, ; Chunheng Mo,
| | - Bi-Sen Ding
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China
- Fibrosis Research Program, Division of Pulmonary and Critical Care Medicine, Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Division of Regenerative Medicine, Weill Cornell Medicine, New York, NY, United States
- *Correspondence: Bi-Sen Ding, ; Chunheng Mo,
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10
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Xu NY, Liu ZY, Yang QM, Bian PP, Li M, Zhao X. Genomic Analyses for Selective Signatures and Genes Involved in Hot Adaptation Among Indigenous Chickens From Different Tropical Climate Regions. Front Genet 2022; 13:906447. [PMID: 35979430 PMCID: PMC9377314 DOI: 10.3389/fgene.2022.906447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/15/2022] [Indexed: 11/13/2022] Open
Abstract
Climate change, especially weather extremes like extreme cold or extreme hot, is a major challenge for global livestock. One of the animal breeding goals for sustainable livestock production should be to breed animals with excellent climate adaptability. Indigenous livestock and poultry are well adapted to the local climate, and they are good resources to study the genetic footprints and mechanism of the resilience to weather extremes. In order to identify selection signatures and genes that might be involved in hot adaptation in indigenous chickens from different tropical climates, we conducted a genomic analysis of 65 indigenous chickens that inhabit different climates. Several important unique positively selected genes (PSGs) were identified for each local chicken group by the cross-population extended haplotype homozygosity (XP-EHH). These PSGs, verified by composite likelihood ratio, genetic differentiation index, nucleotide diversity, Tajima’s D, and decorrelated composite of multiple signals, are related to nerve regulation, vascular function, immune function, lipid metabolism, kidney development, and function, which are involved in thermoregulation and hot adaptation. However, one common PSG was detected for all three tropical groups of chickens via XP-EHH but was not confirmed by other five types of selective sweep analyses. These results suggest that the hot adaptability of indigenous chickens from different tropical climate regions has evolved in parallel by taking different pathways with different sets of genes. The results from our study have provided reasonable explanations and insights for the rapid adaptation of chickens to diverse tropical climates and provide practical values for poultry breeding.
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Affiliation(s)
- Nai-Yi Xu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Zhen-Yu Liu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Qi-Meng Yang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Pei-Pei Bian
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Ming Li
- Department of Biology, University of Konstanz, Konstanz, Germany
| | - Xin Zhao
- Department of Animal Science, McGill University, Montreal, QC, Canada
- *Correspondence: Xin Zhao,
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Hirakawa T, Goto M, Takahashi K, Iwasawa T, Fujishima A, Makino K, Shirasawa H, Sato W, Sato T, Kumazawa Y, Terada Y. Na+/K+ ATPase α1 and β3 subunits are localized to the basolateral membrane of trophectoderm cells in human blastocysts. Hum Reprod 2022; 37:1423-1430. [PMID: 35640043 PMCID: PMC9247425 DOI: 10.1093/humrep/deac124] [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: 03/03/2022] [Revised: 05/09/2022] [Indexed: 11/25/2022] Open
Abstract
STUDY QUESTION Is there a relation between specific Na+/K+ ATPase isoform expression and localization in human blastocysts and the developmental behavior of the embryo? SUMMARY ANSWER Na+/K+ ATPase α1, β1 and β3 are the main isoforms expressed in human blastocysts and no association was found between the expression level of their respective mRNAs and the rate of blastocyst expansion. WHAT IS KNOWN ALREADY In mouse embryos, Na+/K+ ATPase α1 and β1 are expressed in the basolateral membrane of trophectoderm (TE) cells and are believed to be involved in blastocoel formation (cavitation). STUDY DESIGN, SIZE, DURATION A total of 20 surplus embryos from 11 patients who underwent IVF and embryo transfer at a university hospital between 2009 and 2018 were analyzed. PARTICIPANTS/MATERIALS, SETTING, METHODS After freezing and thawing Day 5 human blastocysts, their developmental behavior was observed for 24 h using time-lapse imaging, and the expression of Na+/K+ ATPase isoforms was examined using quantitative RT-PCR (RT-qPCR). The expressed isoforms were then localized in blastocysts using fluorescent immunostaining. MAIN RESULTS AND THE ROLE OF CHANCE RT-qPCR results demonstrated the expression of Na+/K+ ATPase α1, β1 and β3 isoforms in human blastocysts. Isoforms α1 and β3 were localized to the basolateral membrane of TE cells, and β1 was localized between TE cells. A high level of β3 mRNA expression correlated with easier hatching (P = 0.0261). LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION The expression of mRNA and the localization of proteins of interest were verified, but we have not been able to perform functional analysis. WIDER IMPLICATIONS OF THE FINDINGS Of the various Na+/K+ ATPase isoforms, expression levels of the α1, β1 and β3 mRNAs were clearly higher than other isoforms in human blastocysts. Since α1 and β3 were localized to the basolateral membrane via fluorescent immunostaining, we believe that these subunits contribute to the dilation of the blastocoel. The β1 isoform is localized between TE cells and may be involved in tight junction formation, as previously reported in mouse embryos. STUDY FUNDING/COMPETING INTEREST(S) This work was supported by the JSPS KAKENHI (https://www.jsps.go.jp/english/index.html), grant number 17K11215. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. The authors have no conflicts of interest.
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Affiliation(s)
- T Hirakawa
- Department of Obstetrics and Gynecology, Akita University Graduate School of Medicine, Akita, Japan
| | - M Goto
- Department of Obstetrics and Gynecology, Akita University Graduate School of Medicine, Akita, Japan
| | - K Takahashi
- Department of Obstetrics and Gynecology, Akita University Graduate School of Medicine, Akita, Japan
| | - T Iwasawa
- Department of Obstetrics and Gynecology, Akita University Graduate School of Medicine, Akita, Japan
| | - A Fujishima
- Department of Obstetrics and Gynecology, Akita University Graduate School of Medicine, Akita, Japan
| | - K Makino
- Department of Obstetrics and Gynecology, Akita University Graduate School of Medicine, Akita, Japan
| | - H Shirasawa
- Department of Obstetrics and Gynecology, Akita University Graduate School of Medicine, Akita, Japan
| | - W Sato
- Department of Obstetrics and Gynecology, Akita University Graduate School of Medicine, Akita, Japan
| | - T Sato
- Department of Obstetrics and Gynecology, Akita University Graduate School of Medicine, Akita, Japan
| | - Y Kumazawa
- Department of Obstetrics and Gynecology, Akita University Graduate School of Medicine, Akita, Japan
| | - Y Terada
- Department of Obstetrics and Gynecology, Akita University Graduate School of Medicine, Akita, Japan
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Wen XP, Wan QQ. Regulatory effect of insulin on the structure, function and metabolism of Na +/K +-ATPase (Review). Exp Ther Med 2021; 22:1243. [PMID: 34539839 PMCID: PMC8438676 DOI: 10.3892/etm.2021.10678] [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: 03/09/2021] [Accepted: 08/04/2021] [Indexed: 11/14/2022] Open
Abstract
Na+/K+-ATPase is an ancient enzyme, the role of which is to maintain Na+ and K+ gradients across cell membranes, thus preserving intracellular ion homeostasis. The regulation of Na+/K+-ATPase is affected by several regulatory factors through a number of pathways, with hormones serving important short-term and long-term regulatory functions. Na+/K+-ATPase can also be degraded through activation of the ubiquitin proteasome and autophagy-lysosomal pathways, thereby affecting its abundance and enzymatic activity. As regards the regulatory effect of insulin, it has been found to upregulate the relative abundance of Na+/K+-ATPase and restore the transport efficiency in multiple in vitro and in vivo experiments. Therefore, elucidating the role of insulin in the regulation Na+/K+-ATPase may help uncover new drug targets for the treatment of related diseases. The aim of the present study was to review the structure and function of Na+/K+-ATPase and to discuss the possible mechanisms through which it may be regulated by insulin, in order to investigate the possibility of designing new therapies for related diseases.
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Affiliation(s)
- Xu-Peng Wen
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, P.R. China
| | - Qi-Quan Wan
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, P.R. China
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