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Chen X, Liu W, Li T, Xia W, Chen D. Glucose-induced RYBP suppresses tumor cell aerobic glycolysis and migration. Biochem Biophys Res Commun 2024; 719:150089. [PMID: 38735205 DOI: 10.1016/j.bbrc.2024.150089] [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: 05/05/2024] [Accepted: 05/08/2024] [Indexed: 05/14/2024]
Abstract
RYBP (Ring 1 and YY1 binding protein) has been frequently reported to play an important role during body development, stem cell differentiation, apoptosis and tumorigenesis, but whether RYBP carries out additional functions remains mysterious. Here, we demonstrated that RYBP protein levels elevate with increasing glucose concentration in cell culture medium in human tumorigenic cell lines, but an opposite trend was observed in non-tumorigenic cells. Mechanistic exploration disclosed that glucose inhibits polyubiquitination and proteasomal degradation, leading to RYBP stabilization in tumor cells. Further study showed that RYBP inhibits the glycolysis of tumor cells, as both extracellular acidification rate (ECAR) and lactate production increase when RYBP is knocked down, and decrease when RYBP is over-expressed, and this effect is unrelated to the glucose uptake ability of tumor cells. The functional study showed that RYBP is involved in the regulation of glucose on tumor cell migration. Compared to low glucose culture and their wildtypes, high glucose significantly enhanced tumor cell migration in RYBP knockdown or knockout tumor cells. Taken together, our current study uncovered a previously unknown function of RYBP in tumor metabolism, and this finding will enhance the exploration of the interplay between RYBP and nutrients during tumor cell metabolic reprogramming.
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Affiliation(s)
- Xiuyuan Chen
- Department of Biochemistry and Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China
| | - Weijia Liu
- Department of Biochemistry and Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China
| | - Tangai Li
- Department of Biochemistry and Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China
| | - Wanping Xia
- Department of Biochemistry and Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China
| | - Deng Chen
- Department of Biochemistry and Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, 100005, China.
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2
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Beaumont JEJ, Ju J, Barbeau LMO, Demers I, Savelkouls KG, Derks K, Bouwman FG, Wauben MHM, Zonneveld MI, Keulers TGH, Rouschop KMA. GABARAPL1 is essential in extracellular vesicle cargo loading and metastasis development. Radiother Oncol 2024; 190:109968. [PMID: 37898438 DOI: 10.1016/j.radonc.2023.109968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 10/04/2023] [Accepted: 10/22/2023] [Indexed: 10/30/2023]
Abstract
BACKGROUND AND PURPOSE Hypoxia is a common feature of tumours, associated with poor prognosis due to increased resistance to radio- and chemotherapy and enhanced metastasis development. Previously we demonstrated that GABARAPL1 is required for the secretion of extracellular vesicles (EV) with pro-angiogenic properties during hypoxia. Here, we explored the role of GABARAPL1+ EV in the metastatic cascade. MATERIALS AND METHODS GABARAPL1 deficient or control MDA-MB-231 cells were injected in murine mammary fat pads. Lungs were dissected and analysed for human cytokeratin 18. EV from control and GABARAPL1 deficient cells exposed to normoxia (21% O2) or hypoxia (O2 < 0.02%) were isolated and analysed by immunoblot, nanoparticle tracking analysis, high resolution flow cytometry, mass spectrometry and next-generation sequencing. Cellular migration and invasion were analysed using scratch assays and transwell-invasion assays, respectively. RESULTS The number of pulmonary metastases derived from GABARAPL1 deficient tumours decreased by 84%. GABARAPL1 deficient cells migrate slower but display a comparable invasive capacity. Both normoxic and hypoxic EV contain proteins and miRNAs associated with metastasis development and, in line, increase cancer cell invasiveness. Although GABARAPL1 deficiency alters EV content, it does not alter the EV-induced increase in cancer cell invasiveness. CONCLUSION GABARAPL1 is essential for metastasis development. This is unrelated to changes in migration and invasion and suggests that GABARAPL1 or GABARAPL1+ EV are essential in other processes related to the metastatic cascade.
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Affiliation(s)
- Joel E J Beaumont
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Jinzhe Ju
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Lydie M O Barbeau
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Imke Demers
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands; Department of Pathology, GROW-School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Kim G Savelkouls
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Kasper Derks
- Department of Clinical Genetics, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Freek G Bouwman
- Department of Human Biology, NUTRIM - School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Marca H M Wauben
- Department Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Marijke I Zonneveld
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Tom G H Keulers
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Kasper M A Rouschop
- Department of Radiotherapy, GROW - School for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands.
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3
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Morinaka T, Sakai N, Takayashiki T, Kuboki S, Takano S, Ohira G, Matsubara H, Ohtsuka M. RYBP contributes to improved prognosis in colorectal cancer via regulation of cell cycle, apoptosis and oxaliplatin sensitivity. Int J Oncol 2023; 63:120. [PMID: 37654197 PMCID: PMC10546375 DOI: 10.3892/ijo.2023.5568] [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: 03/31/2023] [Accepted: 08/16/2023] [Indexed: 09/02/2023] Open
Abstract
Ring1 and YY‑1 binding protein (RYBP) is a member of the polycomb repressive complex 1 and serves as a transcriptional suppressor via epigenetic modification. RYBP has a tumour‑suppressive role in solid tumours, but its function in colorectal cancer (CRC) remains unknown. The present study evaluated the expression of RYBP using immunohistochemistry in 140 cases of primary CRC and 11 patient‑matched cases of liver metastases. Using CRC cell lines with different TP53 gene status such as HCT116 (TP53wt/wt), HCT116 (TP53‑/‑), SW48 and DLD‑1 cells, proliferation, cell cycle progression and apoptosis, as well as the effect of RYBP on oxaliplatin sensitivity, were assessed. Clinical data showed that low RYBP expression was significantly associated with risk of distant metastasis and recurrence, and patients with high RYBP expression demonstrated significantly better cancer‑specific and disease‑free survival. In vitro experiments revealed that RYBP suppressed cell proliferation by inducing cell cycle arrest and apoptosis in TP53 wild‑type cells. In addition, endogenous RYBP overexpression enhanced sensitivity to oxaliplatin. Therefore, RYBP may contribute to improved prognosis in CRC by regulating the cell cycle, apoptosis and oxaliplatin sensitivity via the p53‑mediated pathway.
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Affiliation(s)
- Takashi Morinaka
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Nozomu Sakai
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Tsukasa Takayashiki
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Satoshi Kuboki
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Shigetsugu Takano
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Gaku Ohira
- Department of Frontier Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Hisahiro Matsubara
- Department of Frontier Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Masayuki Ohtsuka
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
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4
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El-Mahdy HA, Mohamadin AM, Abulsoud AI, Khidr EG, El-Husseiny AA, Ismail A, Elsakka EGE, Mokhlis HA, El-Husseiny HM, Doghish AS. miRNAs as potential game-changers in head and neck cancer: Future clinical and medicinal uses. Pathol Res Pract 2023; 245:154457. [PMID: 37058745 DOI: 10.1016/j.prp.2023.154457] [Citation(s) in RCA: 41] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/06/2023] [Accepted: 04/07/2023] [Indexed: 04/16/2023]
Abstract
Head and neck cancers (HNCs) are a group of heterogeneous tumors formed most frequently from epithelial cells of the larynx, lips, oropharynx, nasopharynx, and mouth. Numerous epigenetic components, including miRNAs, have been demonstrated to have an impact on HNCs characteristics like progression, angiogenesis, initiation, and resistance to therapeutic interventions. The miRNAs may control the production of numerous genes linked to HNCs pathogenesis. The roles that miRNAs play in angiogenesis, invasion, metastasis, cell cycle, proliferation, and apoptosis are responsible for this impact. The miRNAs also have an impact on crucial HNCs-related mechanistic networks like the WNT/β-catenin signaling, PTEN/Akt/mTOR pathway, TGFβ, and KRAS mutations. miRNAs may affect how the HNCs respond to treatments like radiation and chemotherapy in addition to pathophysiology. This review aims to demonstrate the relationship between miRNAs and HNCs with a particular emphasis on how miRNAs impact HNCs signaling networks.
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Affiliation(s)
- Hesham A El-Mahdy
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr, Cairo 11231, Egypt.
| | - Ahmed M Mohamadin
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr, Cairo 11231, Egypt
| | - Ahmed I Abulsoud
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr, Cairo 11231, Egypt; Department of Biochemistry and Biotechnology, Faculty of Pharmacy, Heliopolis University, Cairo 11785, Egypt
| | - Emad Gamil Khidr
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr, Cairo 11231, Egypt
| | - Ahmed A El-Husseiny
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr, Cairo 11231, Egypt; Department of Biochemistry, Faculty of Pharmacy, Egyptian Russian University, Badr, Cairo 11829, Egypt
| | - Ahmed Ismail
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr, Cairo 11231, Egypt
| | - Elsayed G E Elsakka
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr, Cairo 11231, Egypt
| | - Hamada Ahmed Mokhlis
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Nasr, Cairo 11231, Egypt
| | - Hussein M El-Husseiny
- Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo 183-8509, Japan; Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Al Qalyubia 13736, Egypt
| | - Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr, Cairo 11829, Egypt; Faculty of Pharmacy (Boys), Al-Azhar University, Nasr, Cairo 11231, Egypt.
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Nopp S, van der Bent ML, Kraemmer D, Königsbrügge O, Wojta J, Pabinger I, Ay C, Nossent AY. Circulatory miR-411-5p as a Novel Prognostic Biomarker for Major Adverse Cardiovascular Events in Patients with Atrial Fibrillation. Int J Mol Sci 2023; 24:3861. [PMID: 36835272 PMCID: PMC9964230 DOI: 10.3390/ijms24043861] [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: 01/04/2023] [Revised: 02/12/2023] [Accepted: 02/13/2023] [Indexed: 02/17/2023] Open
Abstract
The risk stratification of patients with atrial fibrillation (AF) for subsequent cardiovascular events could help in guiding prevention strategies. In this study, we aimed at investigating circulating microRNAs as prognostic biomarkers for major adverse cardiovascular events (MACE) in AF patients. We conducted a three-stage nested case-control study within the framework of a prospective registry, including 347 AF patients. First, total small RNA-sequencing was performed in 26 patients (13 cases with MACE) and the differential expression of microRNAs was analyzed. Seven candidate microRNAs with promising results in a subgroup analysis on cardiovascular death were selected and measured via using RT-qPCR in 97 patients (42 cases with cardiovascular death). To further validate our findings and investigate broader clinical applicability, we analyzed the same microRNAs in a subsequent nested case-control study of 102 patients (37 cases with early MACE) by using Cox regression. In the microRNA discovery cohort (n = 26), we detected 184 well-expressed microRNAs in circulation without overt differential expression between the cases and controls. A subgroup analysis on cardiovascular death revealed 26 microRNAs that were differentially expressed at a significance level < 0.05 (three of which with an FDR-adjusted p-value <0.05). We, therefore, proceeded with a nested case-control approach (n = 97) focusing on patients with cardiovascular death and selected, in total, seven microRNAs for further RT-qPCR analysis. One microRNA, miR-411-5p, was significantly associated with cardiovascular death (adjusted HR (95% CI): 1.95 (1.04-3.67)). Further validation (n = 102) in patients who developed early MACE showed similar results (adjusted HR (95% CI) 2.35 (1.17-4.73)). In conclusion, circulating miR-411-5p could be a valuable prognostic biomarker for MACE in AF patients.
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Affiliation(s)
- Stephan Nopp
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria
| | - M. Leontien van der Bent
- Department of Surgery and Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, 2333 Leiden, The Netherlands
| | - Daniel Kraemmer
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria
| | - Oliver Königsbrügge
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria
| | - Johann Wojta
- Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
- Ludwig Boltzmann Institute for Cardiovascular Research, 1090 Vienna, Austria
| | - Ingrid Pabinger
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria
| | - Cihan Ay
- Clinical Division of Haematology and Haemostaseology, Department of Medicine I, Medical University of Vienna, 1090 Vienna, Austria
| | - Anne Yaël Nossent
- Department of Surgery and Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, 2333 Leiden, The Netherlands
- Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
- Department of Laboratory Medicine, Medical University of Vienna, 1090 Vienna, Austria
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6
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Yu Y, Dong Y, Deng B, Yang T. IncRNA MIAT Accelerates Keloid Formation by miR-411-5p/JAG1 Axis. Crit Rev Eukaryot Gene Expr 2023; 33:81-92. [PMID: 36734859 DOI: 10.1615/critreveukaryotgeneexpr.2022044734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The long non-coding RNA (lncRNA) myocardial infarction-associated transcript (MIAT) regulates the biological functions of many kinds of cells. The aim of this study is to explore the mechanism of MIAT and how it affects keloid progression. The expressions of MIAT, JAG1, and miR-411-5p in keloid tissues and keloid fibroblasts (KEL FIBs) were quantified by conducting Western blot and quantitative reverse transcription polymerase chain reaction analyses. The influences of MIAT, JAG1, and miR-411-5p on the abilities of KEL FIBs to proliferate, migrate, and invade were assessed by means of the CCK-8, wound healing, and Transwell experiments. To determine the binding relationship among MIAT, JAG1, and miR-411-5p, we performed luciferase reporter and RIP experiments. In keloid tissues and KEL FIBs, MIAT and JAG1 were upregulated while miR-411-5p was downregulated. Knocking-down MIAT or JAG1 significantly inhibited proliferation, migration and invasion. On the contrary, suppressing miR-411-5p expression produced an opposite effect. With regard to mechanisms, MIAT sponged miR-411-5p, which targeted JAG1. MIAT accelerates keloid formation by modulating the miR-411-5p/JAG1 axis.
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Affiliation(s)
- Yingyan Yu
- Department of Dermatology, University of Electronic Science and Technology of China Hospital, Chengdu 611731, Sichuan, China
| | - Yujie Dong
- Department of Dermatology, Kun Ming Li Du Medical Beauty Hospital, Kunming 650000, Yunnan, China
| | - Benyuan Deng
- Department of General Surgery, West China Health Care Hospital of Sichuan University, Chengdu 610041, Sichuan, China
| | - Ting Yang
- Department of Plastic Surgery and Cosmetic Dermatology, West China School/Hospital of Stomatology Sichuan University, Chengdu 610041, Sichuan, China
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7
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Lin X, Wang W, Tao T, Zhang D, Mao L, He X. Synthetic role of miR-411-5p and CT perfusion information in predicting clinical outcomes after thrombolysis in acute cerebral infarction. Acta Neurol Belg 2022; 123:457-464. [PMID: 35933505 DOI: 10.1007/s13760-022-02041-9] [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: 05/05/2022] [Accepted: 07/15/2022] [Indexed: 11/01/2022]
Abstract
BACKGROUND Our aim was to investigate the predictive value of microRNA (miR)-411-5p and computed tomography perfusion (CTP) parameters on the prognosis of acute cerebral infarction (ACI) patients receiving intravenous thrombolysis based on analyzing the expression changes of miR-411-5p before and after thrombolytic therapy. METHODS Serum miR-411-5p expression in 96 patients with ACI was measured using quantitative real-time PCR. To evaluate prognosis, we measured National Institutes of Health Stroke Scale (NIHSS) scores before and 24 h after thrombolytic therapy in ACI patients and the modified Rankin scale (mRS) score at 3 months (90 days) after ACI onset. Influence factors analysis to predict the prognosis of patients who received thrombolytic therapy was performed by logistic regression analysis. Receiver operating characteristic analysis was used to evaluate the predictive accuracy and thresholds of factors associated with thrombolytic prognosis. RESULTS Serum miR-411-5p at 24 h after thrombolysis and at 3 months after onset in ACI patients was upregulated. Additionally, the correlation of miR-411-5p with NIHSS score and CTP parameters were found. Moreover, miR-411-5p and two CTP parameters [cerebral blood flow (CBF) and cerebral blood volume (CBV)] were identified as independent predictors of short- and long-term prognosis following thrombolysis in ACI patients. Furthermore, miR-411-5p, CBF and CBV had high predictive accuracy for patient prognosis, and their combination had the best accuracy. CONCLUSION miR-411-5p is increased by thrombolytic therapy in ACI patients, and miR-411-5p, CBF and CBV may serve as independent biomarkers for predicting short- and long-term prognosis following intravenous thrombolysis in ACI patients.
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Affiliation(s)
- Xia Lin
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No. 999, Donghai Avenue, economic development zone, Taizhou, 318000, Zhejiang, China.
| | - Wenjie Wang
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No. 999, Donghai Avenue, economic development zone, Taizhou, 318000, Zhejiang, China
| | - Taotao Tao
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No. 999, Donghai Avenue, economic development zone, Taizhou, 318000, Zhejiang, China
| | - Danhong Zhang
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No. 999, Donghai Avenue, economic development zone, Taizhou, 318000, Zhejiang, China
| | - Lingqun Mao
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No. 999, Donghai Avenue, economic development zone, Taizhou, 318000, Zhejiang, China
| | - Xinwei He
- Department of Neurology, Taizhou Central Hospital (Taizhou University Hospital), No. 999, Donghai Avenue, economic development zone, Taizhou, 318000, Zhejiang, China
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8
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Chen H, Zeng B, Li X, Zhao Q, Liu D, Chen Y, Zhang Y, Wang J, Xing HR. High-Metastatic Melanoma Cells Promote the Metastatic Capability of Low-Metastatic Melanoma Cells via Exosomal Transfer of miR-411-5p. Front Oncol 2022; 12:895164. [PMID: 35669425 PMCID: PMC9166236 DOI: 10.3389/fonc.2022.895164] [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: 03/13/2022] [Accepted: 04/19/2022] [Indexed: 12/24/2022] Open
Abstract
Melanoma is characterized by high rate of metastasis and mortality. Effective management of metastatic melanoma depends on renewed mechanistic understanding underlying melanoma progression and metastasis. The role of exosomes in mediating the interactions between cancer cells and the metastatic microenvironment is at the forefront of cancer research. Previous researches on the function of exosomes in metastasis have been primarily focused on tumor cell-derived exosomes in modifying the biological functions of stromal cells. Whether the cancer cells at the involved organ can modify the metastatic capability of each other has not been demonstrated. In this study, a paired M14 melanoma derivative cell line, i.e., M14-OL and POL, that we established and characterized were employed. Oligo-metastatic (M14-OL) and poly-metastatic (M14-POL) cell line were generated from three consecutive rounds of in vivo selection and passage. They exhibit high (POL cells) and low (OL cells) metastatic colonization efficiency in vivo, respectively. We show that exosomal crosstalk between metastatic cancer cells is a new mechanism of cancer metastasis. High-metastatic melanoma cells (POL) can augment the metastatic colonization capability of the low-metastatic melanoma cells (OL). POL achieves this goal by utilizing its exosomes to deliver functional miRNAs, in this case, miR-411-5p, to the OL cell. Upon entering OL cells, exosomal miR-411-5p enhance metastatic colonization efficiency by activation of the ERK signaling pathway. Moreover, miR-411-5p expression is higher in cancer tissues of other cancer types (colon, lung, rectum) compared with that of respective normal tissues. The clinical relevance of the present finding merits future investigations.
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Affiliation(s)
- Hao Chen
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing, China
| | - Bin Zeng
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Xiaoshuang Li
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing, China
| | - Qiting Zhao
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Doudou Liu
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing, China
| | - Yuting Chen
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing, China
| | - Yuhan Zhang
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing, China
| | - Jianyu Wang
- Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - H. Rosie Xing
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing, China
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9
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Ding X, Sun J, Zhang X. Circ_0076305 facilitates prostate cancer development via sponging miR-411-5p and regulating PGK1. Andrologia 2022; 54:e14406. [PMID: 35238066 DOI: 10.1111/and.14406] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 02/16/2022] [Accepted: 02/17/2022] [Indexed: 11/28/2022] Open
Abstract
Abnormal expression of circular RNA (circRNA) is tightly linked to cancer progression. In this study, we aimed to investigate the biological role of circ_0076305 in prostate cancer (PCa). RT-qPCR was utilized to examine circ_0076305, microRNA-411-5p (miR-411-5p) and phosphoglycerate kinase 1 (PGK1) expression in PCa tissues and cells. CCK-8 assay, EdU assay, wound-healing assay and flow cytometry were executed to investigate the regulatory function of circ_0076305 on the proliferation, migration and apoptosis of PCa cells. Western blot (WB) assay was applied for measuring the protein levels. The effect of circ_0076305 on cellular glycolysis was examined using commercial kits. RNA immunoprecipitation (RIP) and dual-luciferase reporter assays were conducted for confirming the association between miR-411-5p and circ_0076305 or PGK1. The role of circ_0076305 in vivo was detected via establishing mice xenograft model. Circ_0076305 was highly expressed in PCa. Circ_0076305 silencing could repress cell growth, migration and glycolysis while triggered apoptosis in PCa cells. MiR-411-5p was targeted by circ_0076305, and miR-411-5p suppression counteracted the influence of circ_0076305 silencing in PCa cells. Additionally, miR-411-5p directly targeted PGK1, and miR-411-5p upregulation restrained PCa cell malignant behaviours via reducing PGK1. Mechanically, circ_0076305 sponged miR-411-5p to affect PGK1 expression. Importantly, circ_0076305 interference inhibited tumour growth in vivo. Circ_0076305 served as a novel oncogene PCa progression through regulation of miR-411-5p/PGK1 axis.
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Affiliation(s)
- Xiqi Ding
- Urology Department, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
| | - Jian Sun
- Urology Department, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
| | - Xiao Zhang
- Urology Department, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
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10
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Battaglia R, Alonzo R, Pennisi C, Caponnetto A, Ferrara C, Stella M, Barbagallo C, Barbagallo D, Ragusa M, Purrello M, Di Pietro C. MicroRNA-Mediated Regulation of the Virus Cycle and Pathogenesis in the SARS-CoV-2 Disease. Int J Mol Sci 2021; 22:ijms222413192. [PMID: 34947989 PMCID: PMC8715670 DOI: 10.3390/ijms222413192] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/03/2021] [Accepted: 12/04/2021] [Indexed: 12/24/2022] Open
Abstract
In the last few years, microRNA-mediated regulation has been shown to be important in viral infections. In fact, viral microRNAs can alter cell physiology and act on the immune system; moreover, cellular microRNAs can regulate the virus cycle, influencing positively or negatively viral replication. Accordingly, microRNAs can represent diagnostic and prognostic biomarkers of infectious processes and a promising approach for designing targeted therapies. In the past 18 months, the COVID-19 infection from SARS-CoV-2 has engaged many researchers in the search for diagnostic and prognostic markers and the development of therapies. Although some research suggests that the SARS-CoV-2 genome can produce microRNAs and that host microRNAs may be involved in the cellular response to the virus, to date, not enough evidence has been provided. In this paper, using a focused bioinformatic approach exploring the SARS-CoV-2 genome, we propose that SARS-CoV-2 is able to produce microRNAs sharing a strong sequence homology with the human ones and also that human microRNAs may target viral RNA regulating the virus life cycle inside human cells. Interestingly, all viral miRNA sequences and some human miRNA target sites are conserved in more recent SARS-CoV-2 variants of concern (VOCs). Even if experimental evidence will be needed, in silico analysis represents a valuable source of information useful to understand the sophisticated molecular mechanisms of disease and to sustain biomedical applications.
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