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Wang X, Chen J, Li C, Liu Y, Chen S, Lv F, Lan K, He W, Zhu H, Xu L, Ma K, Guo H. Integrated bulk and single-cell RNA sequencing identifies an aneuploidy-based gene signature to predict sensitivity of lung adenocarcinoma to traditional chemotherapy drugs and patients' prognosis. PeerJ 2024; 12:e17545. [PMID: 38938612 PMCID: PMC11210463 DOI: 10.7717/peerj.17545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Accepted: 05/19/2024] [Indexed: 06/29/2024] Open
Abstract
Background Patients with lung adenocarcinoma (LUAD) often develop a poor prognosis. Currently, researches on prognostic and immunotherapeutic capacity of aneuploidy-related genes in LUAD are limited. Methods Genes related to aneuploidy were screened based on bulk RNA sequencing data from public databases using Spearman method. Next, univariate Cox and Lasso regression analyses were performed to establish an aneuploidy-related riskscore (ARS) model. Results derived from bioinformatics analysis were further validated using cellular experiments. In addition, typical LUAD cells were identified by subtype clustering, followed by SCENIC and intercellular communication analyses. Finally, ESTIMATE, ssGSEA and CIBERSORT algorithms were employed to analyze the potential relationship between ARS and tumor immune environment. Results A five-gene ARS signature was developed. These genes were abnormally high-expressed in LUAD cell lines, and in particular the high expression of CKS1B promoted the proliferative, migratory and invasive phenotypes of LUAD cell lines. Low ARS group had longer overall survival time, higher degrees of inflammatory infiltration, and could benefit more from receiving immunotherapy. Patients in low ASR group responded more actively to traditional chemotherapy drugs (Erlotinib and Roscovitine). The scRNA-seq analysis annotated 17 cell subpopulations into seven cell clusters. Core transcription factors (TFs) such as CREB3L1 and CEBPD were enriched in high ARS cell group, while TFs such as BCLAF1 and UQCRB were enriched in low ARS cell group. CellChat analysis revealed that high ARS cell groups communicated with immune cells via SPP1 (ITGA4-ITGB1) and MK (MDK-NCl) signaling pathways. Conclusion In this research, integrative analysis based on the ARS model provided a potential direction for improving the diagnosis and treatment of LUAD.
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Affiliation(s)
- Xiaobin Wang
- Department of Thoracic Surgery, Tangdu Hospital, Air Force Military Medical University, Xi’an, China
| | - Jiakuan Chen
- Department of Thoracic Surgery, Tangdu Hospital, Air Force Military Medical University, Xi’an, China
| | - Chaofan Li
- Department of Thoracic Surgery, The 986 Military Medical Hospital of the Air Force, Xi’an, China
| | - Yufei Liu
- Department of Thoracic Surgery, The 986 Military Medical Hospital of the Air Force, Xi’an, China
| | - Shiqun Chen
- Thoracic Surgery, Weinan Central Hospital, Weinan, China
| | - Feng Lv
- Department of Thoracic Surgery, Tangdu Hospital, Air Force Military Medical University, Xi’an, China
| | - Ke Lan
- Department of Thoracic Surgery, Tangdu Hospital, Air Force Military Medical University, Xi’an, China
| | - Wei He
- Department of Thoracic Surgery, The 986 Military Medical Hospital of the Air Force, Xi’an, China
| | - Hongsheng Zhu
- Thoracic Surgery, Shaanxi Chenggu County Hospital, Chenggu, China
| | - Liang Xu
- Thoracic Surgery, Shaanxi Chenggu County Hospital, Chenggu, China
| | - Kaiyuan Ma
- Thoracic Surgery, Shaanxi Chenggu County Hospital, Chenggu, China
| | - Haihua Guo
- Department of Thoracic Surgery, Tangdu Hospital, Air Force Military Medical University, Xi’an, China
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Liu X, Zhang L. microRNA-92b-3p augments colon cancer development through inhibiting KLF3. J Biochem Mol Toxicol 2023; 37:e23488. [PMID: 37597242 DOI: 10.1002/jbt.23488] [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: 02/22/2023] [Revised: 07/05/2023] [Accepted: 07/31/2023] [Indexed: 08/21/2023]
Abstract
Colon cancer (CC) is a tumor of the large intestine. miR-92b-3p is often deregulated in the tumorigensis. Here, the role of miR-92b-3p in the development of CC was investigated. miR-92b-3p and Kruppel-like factor 3 (KLF3) expression was examined in CC tissues and cells. miR-92b-3p inhibitor or KLF3 overexpression vector was transfected into CC cells, respectively to observe its role in CC cell proliferation, invasion, migration, and apoptosis. The targeting relationship between miR-92b-3p and KLF3 was validated. Meanwhile, rescue experiments were performed by co-transfection of miR-92b-3p inhibitor and KLF3 siRNA, followed by determining CC cell proliferation, invasion, migration, and apoptosis. Higher miR-92b-3p and lower KLF3 expression levels were observed in CC tissues and cells. miR-92b-3p inhibition or KLF3 overexpression reduced proliferation, invasion, and migration whereas induced apoptosis of CC cells. KLF3 was validated to be the target gene of miR-92b-3p. Depletion of KLF3 could reverse the antitumor role of miR-92b-3p inhibition in CC cells. miR-92b-3p augments CC development through inhibiting KLF3, which may confers a novel way to develop future treatment target.
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Affiliation(s)
- Xuezhong Liu
- Department of Gastrointestinal Surgery, Liaocheng People's Hospital, Liaocheng, Shandong, China
| | - Lei Zhang
- Department of General Surgery, Liaocheng Dongchangfu People's Hospital, Liaocheng, Shandong, China
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Ponomaryova AA, Rykova EY, Solovyova AI, Tarasova AS, Kostromitsky DN, Dobrodeev AY, Afanasiev SA, Cherdyntseva NV. Genomic and Transcriptomic Research in the Discovery and Application of Colorectal Cancer Circulating Markers. Int J Mol Sci 2023; 24:12407. [PMID: 37569782 PMCID: PMC10419249 DOI: 10.3390/ijms241512407] [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: 05/15/2023] [Revised: 07/24/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023] Open
Abstract
Colorectal cancer (CRC) is the most frequently occurring malignancy in the world. However, the mortality from CRC can be reduced through early diagnostics, selection of the most effective treatment, observation of the therapy success, and the earliest possible diagnosis of recurrences. A comprehensive analysis of genetic and epigenetic factors contributing to the CRC development is needed to refine diagnostic, therapeutic, and preventive strategies and to ensure appropriate decision making in managing specific CRC cases. The liquid biopsy approach utilizing circulating markers has demonstrated its good performance as a tool to detect the changes in the molecular pathways associated with various cancers. In this review, we attempted to brief the main tendencies in the development of circulating DNA and RNA-based markers in CRC such as cancer-associated DNA mutations, DNA methylation changes, and non-coding RNA expression shifts. Attention is devoted to the existing circulating nucleic acid-based CRC markers, the possibility of their application in clinical practice today, and their future improvement. Approaches to the discovery and verification of new markers are described, and the existing problems and potential solutions for them are highlighted.
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Affiliation(s)
- Anastasia A. Ponomaryova
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Elena Yu. Rykova
- Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
- Department of Engineering Problems of Ecology, Novosibirsk State Technical University, 630087 Novosibirsk, Russia
| | - Anastasia I. Solovyova
- Department of Biochemistry, Medico-Biological Faculty, Siberian State Medical University, 634050 Tomsk, Russia
| | - Anna S. Tarasova
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Dmitry N. Kostromitsky
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Alexey Yu. Dobrodeev
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Sergey A. Afanasiev
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
| | - Nadezhda V. Cherdyntseva
- Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634009 Tomsk, Russia
- Faculty of Chemistry, National Research Tomsk State University, 634050 Tomsk, Russia
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Zhang P, Frederick MI, Heinemann IU. Terminal Uridylyltransferases TUT4/7 Regulate microRNA and mRNA Homeostasis. Cells 2022; 11:cells11233742. [PMID: 36497000 PMCID: PMC9736393 DOI: 10.3390/cells11233742] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/15/2022] [Accepted: 11/17/2022] [Indexed: 11/25/2022] Open
Abstract
The terminal nucleotidyltransferases TUT4 and TUT7 (TUT4/7) regulate miRNA and mRNA stability by 3' end uridylation. In humans, TUT4/7 polyuridylates both mRNA and pre-miRNA, leading to degradation by the U-specific exonuclease DIS3L2. We investigate the role of uridylation-dependent decay in maintaining the transcriptome by transcriptionally profiling TUT4/7 deleted cells. We found that while the disruption of TUT4/7 expression increases the abundance of a variety of miRNAs, the let-7 family of miRNAs is the most impacted. Eight let-7 family miRNAs were increased in abundance in TUT4/7 deleted cells, and many let-7 mRNA targets are decreased in abundance. The mRNAs with increased abundance in the deletion strain are potential direct targets of TUT4/7, with transcripts coding for proteins involved in cellular stress response, rRNA processing, ribonucleoprotein complex biogenesis, cell-cell signaling, and regulation of metabolic processes most affected in the TUT4/7 knockout cells. We found that TUT4/7 indirectly control oncogenic signaling via the miRNA let-7a, which regulates AKT phosphorylation status. Finally, we find that, similar to fission yeast, the disruption of uridylation-dependent decay leads to major rearrangements of the transcriptome and reduces cell proliferation and adhesion.
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Mitochondrial ROS Produced in Human Colon Carcinoma Associated with Cell Survival via Autophagy. Cancers (Basel) 2022; 14:cancers14081883. [PMID: 35454800 PMCID: PMC9025374 DOI: 10.3390/cancers14081883] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 03/31/2022] [Accepted: 04/06/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary Human colon carcinoma remains one of the major causes of cancer-related death worldwide. Ubiquinol cytochrome c reductase binding protein (UQCRB) has been reported as a biomarker of colorectal cancer, but its role in tumor growth has not been clarified. CRC cells often exhibit high autophagic flux under nutrient deprivation or hypoxic condition and increased autophagy activation in cancer cells involving the recycling of cell components to facilitate survival in a tumor microenvironment. Here we show that UQCRB is overexpressed in HCT116 cells compared to CCD18co, normal colon fibroblast cells. Mechanistically, the increasing level of mitochondrial ROS (mROS) caused by UQCRB overexpression can release Ca2+ by the activation of the lysosomal transient receptor potential mucolipin 1 channels. This activation triggers transcription factor EB nuclear translocation and lysosome biogenesis leading to autophagy flux. Collectively, we identified that the increasing level of mROS by the overexpression of UQCRB in human colon carcinoma could link to autophagy for colorectal cancer survival. These results lead to a translational impact that a UQCRB inhibitor could be a potential anticancer agent for human colon carcinoma treatment. Abstract Human colon carcinomas, including HCT116 cells, often exhibit high autophagic flux under nutrient deprivation or hypoxic conditions. Mitochondrial ROS (mROS) is known as a ‘molecular switch’ for regulating the autophagic pathway, which is critical for directing cancer cell survival or death. In early tumorigenesis, autophagy plays important roles in maintaining cellular homeostasis and contributes to tumor growth. However, the relationships between mROS and the autophagic capacities of HCT116 cells are poorly understood. Ubiquinol cytochrome c reductase binding protein (UQCRB) has been reported as a biomarker of colorectal cancer, but its role in tumor growth has not been clarified. Here, we showed that UQCRB is overexpressed in HCT116 cells compared to CCD18co cells, a normal colon fibroblast cell line. Pharmacological inhibition of UQCRB reduced mROS levels, autophagic flux, and the growth of HCT116 tumors in a xenograft mouse model. We further investigated mutant UQCRB-overexpressing cell lines to identify functional links in UQCRB-mROS-autophagy. Notably, an increasing level of mROS caused by UQCRB overexpression released Ca2+ by the activation of lysosomal transient receptor potential mucolipin 1 (TRPML1) channels. This activation induced transcription factor EB (TFEB) nuclear translocation and lysosome biogenesis, leading to autophagy flux. Collectively, our study showed that increasing levels of mROS caused by the overexpression of UQCRB in human colon carcinoma HCT116 cells could be linked to autophagy for cell survival.
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Koç Yekedüz M, Öncül Ü, Köse E, Ezgü F, Eminoğlu FT. A Patient with Recurrent Severe Hypoglycemic Attacks and Mitochondrial Complex III Deficiency, Nuclear Type 3: a Novel UQCRB Variant. Mol Syndromol 2021; 13:64-68. [DOI: 10.1159/000517761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 06/09/2021] [Indexed: 11/19/2022] Open
Abstract
Common causes of hypoglycemia include hyperinsulinism, hormonal deficiencies, fatty acid oxidation disorders, and glycogen storage diseases; however, rare causes should also be considered for the condition. Mitochondrial complex III deficiency shows an autosomal recessive or a mitochondrial inheritance pattern. To date, mitochondrial complex III deficiency, nuclear type 3 attributable to a pathogenic variant of the <i>UQCRB</i> gene (MIM 615158) has been identified in only 2 pediatric patients; both presented with hypoglycemia and lactic acidosis. In this paper, we present a patient with mitochondrial complex III deficiency, nuclear type 3, <i>UQCRB</i> variant associated with acute hypoglycemia and lactic acidosis episodes. The male patient was admitted on the first day of life with tachypnea, metabolic acidosis, and hypoglycemia. Up to 10 years of age, he was admitted 7 times with abdominal pain, vomiting, and fever. His blood tests revealed hypoglycemia, metabolic acidosis, and hyperlactatemia. At 10 years of age, a whole-exome sequencing (WES) analysis was performed identifying a homozygous c.309_313delAGAAA (p.Glu104ArgfsTer10) pathogenic variant of the <i>UQCRB</i> gene. Once the common causes of hypoglycemia are excluded, it is essential to perform a WES analysis for other rare causes. Thus, rare disorders such as mitochondrial complex III deficiency can be diagnosed.
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Li H, Liang W, Zhang H, Shui Y, Zhang Z. MicroRNA-4429 restrains colorectal cancer cell invasion and migration via regulating SMAD3-induced epithelial-mesenchymal transition. J Cell Physiol 2021; 236:5875-5884. [PMID: 33655506 DOI: 10.1002/jcp.30271] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 12/24/2020] [Accepted: 12/28/2020] [Indexed: 01/03/2023]
Abstract
Colorectal cancer (CRC) is one of the commonest human cancers and the fourth primary cause of cancer-related death. Previous studies have reported that miR-4429 develops anticancer function in follicular thyroid carcinoma and non-small cell lung cancer. However, whether miR-4429 is implicated in the CRC progression remains to be clarified. The aim of our current study was to explore the potential role of miR-4429 in CRC. According to the result of quantitative real-time polymerase chain reaction analysis, miR-4429 was expressed at a low level in CRC cells. Gain-of-function assays showed that the upregulation of miR-4429 inhibited cell proliferation, migration, invasion, and epithelial-mesenchymal transition (EMT) process in CRC, whereas miR-4429 inhibition led to the opposite results. It was uncovered from mechanism experiments that miR-4429 targeted forkhead box M1 (FOXM1) and therefore regulating SMAD family member 3 (SMAD3) expression. Rescue experiments elucidated that miR-4429 influenced cell proliferation, migration, invasion, and EMT process in CRC by targeting FOXM1 to inactivate SMAD3. In conclusion, our study revealed that miR-4429 targeted FOXM1 to decrease SMAD3 expression and thus impeding cell proliferation, migration, invasion, and EMT process of CRC cells.
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Affiliation(s)
- Hongwen Li
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Weijie Liang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Hongyu Zhang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yifang Shui
- Department of Breast Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhe Zhang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Downregulation of miR-3934 in Peripheral Blood Mononuclear Cells of Asthmatic Patients and Its Potential Diagnostic Value. BIOMED RESEARCH INTERNATIONAL 2021; 2021:8888280. [PMID: 33506046 PMCID: PMC7811425 DOI: 10.1155/2021/8888280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 12/07/2020] [Accepted: 12/30/2020] [Indexed: 11/18/2022]
Abstract
Background The present study focused on the potential clinical significance of miR-3934 in the occurrence and development of asthma. Methods 80 asthma and 80 healthy controls were recruited in this study. The peripheral blood mononuclear cells (PBMCs) and serum samples of the asthma patients as well as the healthy controls were isolated, and the expression levels of miR-3934 in PBMCs were examined by RT-qPCR methods. Furthermore, the relationship between the level of miR-3934 in PBMCs and the disease severity has been analyzed, and the potential diagnostic value of miR-3934 was evaluated by the receiver operating characteristics (ROC) curve. Finally, the expression level of IL-6, IL-8, and IL-33 have been detected using the ELISA kits, and Pearson's correlation analysis was performed to investigate the relationship between the level of miR-3934 in PBMCs and the serum expression of those inflammatory cytokines in asthma patients. Results miR-3934 was dramatically decreased in PBMCs of the asthma patients, and miR-3934 was markedly reduced in PBMCs of patients with severe asthma vs. mild asthma. Furthermore, ROC analysis showed that levels of miR-3934 in PBMCs can distinguish asthma patient, especially the severe asthma patients from the controls. Finally, the levels of miR-3934 in PBMCs were negatively correlated with the serum levels of IL-6, IL-8, and IL-33 in asthma patients, respectively. Conclusions miR-3934 was downregulated in PBMCs of asthmatic patients and may function as a potential diagnosis biomarker.
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Yaghoubi N, Zahedi Avval F, Khazaei M, Aghaee-Bakhtiari SH. MicroRNAs as potential investigative and predictive biomarkers in colorectal cancer. Cell Signal 2020; 80:109910. [PMID: 33387618 DOI: 10.1016/j.cellsig.2020.109910] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 12/28/2020] [Accepted: 12/28/2020] [Indexed: 02/07/2023]
Abstract
Colorectal cancer (CRC) is a noticeable reason of cancer-associated deaths with a high incidence and mortality rate. Countless effort have been put into the improving clinical management of CRC patients including more effective tools and a wide variety of biomarkers for diagnostic, prognostic or predictive purposes. In recent years, dysregulated miRNAs have been emerged as highly sensitive and specific markers to manage CRC in an effective way. They can play key roles in carcinogenesis as potential oncogenes, tumor suppressors or regulators of cancer network. Therefore, miRNAs may serve as molecular tools that can be quantified and used in diagnostic and prognostic approaches. Growing evidence also suggests that forced expression of tumor suppressor miRNAs or inhibiting the oncogene ones, can be used as a novel treatment strategy. In this review, we focus on the clinical applications of miRNAs as promising biomarkers of early cancer detection, prognosis and treatment.
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Affiliation(s)
- Neda Yaghoubi
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farnaz Zahedi Avval
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Khazaei
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Hamid Aghaee-Bakhtiari
- Bioinformatics Research Group, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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