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Saranya I, Dharshini VS, Akshaya RL, Subhashini PS, Selvamurugan N. Regulatory and therapeutic implications of competing endogenous RNA network in breast cancer progression and metastasis: A review. Int J Biol Macromol 2024; 266:131075. [PMID: 38531528 DOI: 10.1016/j.ijbiomac.2024.131075] [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: 01/30/2024] [Revised: 03/12/2024] [Accepted: 03/20/2024] [Indexed: 03/28/2024]
Abstract
Breast cancer (BC) is a global health concern, and development of diagnostic tools and targeted treatments for BC remains challenging. Therapeutic approaches for BC often involve a combination of surgery, radiation therapy, chemotherapy, targeted therapy, and hormone therapy. In recent years, there has been a growing interest in the role of noncoding RNAs (ncRNAs), including long ncRNAs (lncRNAs) and microRNAs (miRNAs), in BC and their therapeutic implications. Various biological processes such as cell proliferation, migration, and apoptosis rely on the activities of these ncRNAs, and their dysregulation has been implicated in BC progression. The regulatory function of the competitive endogenous RNA (ceRNA) network, which comprises lncRNAs, miRNAs, and mRNAs, has been the subject of extensive pathophysiological research. Most lncRNAs serve as molecular sponges for miRNAs and sequester their activities, thereby regulating the expression of target mRNAs and contributing to the promotion or inhibition of BC progression. This review summarizes recent findings on the role of ceRNA networks in BC progression, metastasis, and therapeutic resistance, and highlights the association of ceRNA networks with transcription factors and signaling pathways. Understanding the ceRNA network can lead to the discovery of biomarkers and targeted treatment methods to prevent the spread and metastasis of BC.
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Affiliation(s)
- I Saranya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - V Sowfika Dharshini
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - R L Akshaya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - P Sakthi Subhashini
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - N Selvamurugan
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India.
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Thapa R, Afzal O, Gupta G, Bhat AA, Almalki WH, Alzarea SI, Kazmi I, Altamimi ASA, Subramaniyan V, Thangavelu L, Singh SK, Dua K. Unveiling the connection: Long-chain non-coding RNAs and critical signaling pathways in breast cancer. Pathol Res Pract 2023; 249:154736. [PMID: 37579591 DOI: 10.1016/j.prp.2023.154736] [Citation(s) in RCA: 47] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 08/01/2023] [Accepted: 08/02/2023] [Indexed: 08/16/2023]
Abstract
Breast cancer is a complex and diverse condition that disrupts multiple signaling pathways essential for cell proliferation, survival, and differentiation. Recently, the significant involvement of long-chain non-coding RNAs (lncRNAs) in controlling key signaling pathways associated with breast cancer development has been discovered. This review aims to explore the interaction between lncRNAs and various pathways, including the AKT/PI3K/mTOR, Wnt/β-catenin, Notch, DNA damage response, TGF-β, Hedgehog, and NF-κB signaling pathways, to gain a comprehensive understanding of their roles in breast cancer. The AKT/PI3K/mTOR pathway regulates cell growth, survival, and metabolic function. Recent data suggests that specific lncRNAs can influence the functioning of this pathway, acting as either oncogenes or tumor suppressors. Dysregulation of this pathway is commonly observed in breast cancer cases. Moreover, breast cancer development has been associated with other pathways such as Wnt/β-catenin, Notch, TGF-β, Hedgehog, and NF-κB. Emerging studies have identified lncRNAs that modulate breast cancer's growth, progression, and metastasis by interacting with these pathways. To advance the development of innovative diagnostic tools and targeted treatment options, it is crucial to comprehend the intricate relationship between lncRNAs and vital signaling pathways in breast cancer. By fully harnessing the therapeutic potential of lncRNAs, there is a possibility of developing more effective and personalized therapy choices for breast cancer patients. Further investigation is necessary to comprehensively understand the role of lncRNAs within breast cancer signaling pathways and fully exploit their therapeutic potential.
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Affiliation(s)
- Riya Thapa
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Mahal Road, Jaipur, India
| | - Obaid Afzal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj 11942, Saudi Arabia
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Mahal Road, Jaipur, India; Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India; School of Pharmacy, Graphic Era Hill University, Dehradun 248007, India
| | - Asif Ahmad Bhat
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Mahal Road, Jaipur, India
| | - Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Sami I Alzarea
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Al-Jouf, Saudi Arabia
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | - Vetriselvan Subramaniyan
- Department of Pharmacology, Jeffrey Cheah School of Medicine and Health Sciences, MONASH University, Malaysia
| | - Lakshmi Thangavelu
- Center for Global Health Research , Saveetha Medical College , Saveetha Institute of Medical and Technical Sciences, Saveetha University, India.
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, India; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology, Sydney, Ultimo-NSW 2007, Australia
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology, Sydney, Ultimo-NSW 2007, Australia; Discipline of Pharmacy, Graduate School of Health, University of Technology, Sydney, Ultimo-NSW 2007, Australia
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Zhang Z, Chen L, Zhao C, Gong Q, Tang Z, Li H, Tao J. CASC9 potentiates gemcitabine resistance in pancreatic cancer by reciprocally activating NRF2 and the NF-κB signaling pathway. Cell Biol Toxicol 2023; 39:1549-1560. [PMID: 35913601 DOI: 10.1007/s10565-022-09746-w] [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: 06/04/2022] [Accepted: 07/06/2022] [Indexed: 11/02/2022]
Abstract
Gemcitabine resistance is a frequently occurring and intractable obstacle in pancreatic cancer treatment. However, the underlying mechanisms require further investigation. Adaptive regulation of oxidative stress and aberrant activation of the NF-κB signaling pathway are associated with resistance to chemotherapy. Here, we found that gemcitabine upregulated the expression of CASC9 in a dose-dependent manner, partially via induction of reactive oxygen species, whereas inhibition of CASC9 expression enhanced gemcitabine-induced oxidative stress and apoptosis in pancreatic cancer cells. Furthermore, suppression of CASC9 level inhibited the expression of NRF2 and the downstream genes NQO1 and HO-1, and vice versa, indicating that CASC9 forms a positive feedback loop with NRF2 signaling and modulates the level of oxidative stress. Silencing CASC9 attenuated NF-κB pathway activation in pancreatic cancer cells and synergistically enhanced the cytotoxic effect of gemcitabine chemotherapy in vivo. In conclusion, our findings suggest that CASC9 plays a key role in driving resistance to gemcitabine through a reciprocal loop with the NRF2-antioxidant signaling pathway and by activating NF-κB signaling. Our study reveals potential targets that can effectively reverse resistance to gemcitabine chemotherapy.
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Affiliation(s)
- Zhengle Zhang
- Department of Pancreatic Surgery, Renmin Hospital, Wuhan University, 238 Jiefang Road, Wuhan, 430060, Hubei Province, China
| | - Longjiang Chen
- Department of Pancreatic Surgery, Renmin Hospital, Wuhan University, 238 Jiefang Road, Wuhan, 430060, Hubei Province, China
| | - Chuanbing Zhao
- Department of Pancreatic Surgery, Renmin Hospital, Wuhan University, 238 Jiefang Road, Wuhan, 430060, Hubei Province, China
| | - Qiong Gong
- Department of Pancreatic Surgery, Renmin Hospital, Wuhan University, 238 Jiefang Road, Wuhan, 430060, Hubei Province, China
| | - Zhigang Tang
- Department of Pancreatic Surgery, Renmin Hospital, Wuhan University, 238 Jiefang Road, Wuhan, 430060, Hubei Province, China
| | - Hanjun Li
- Department of Pancreatic Surgery, Renmin Hospital, Wuhan University, 238 Jiefang Road, Wuhan, 430060, Hubei Province, China.
| | - Jing Tao
- Department of Pancreatic Surgery, Renmin Hospital, Wuhan University, 238 Jiefang Road, Wuhan, 430060, Hubei Province, China.
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Agrawal D, Kumari R, Ratre P, Rehman A, Srivastava RK, Reszka E, Goryacheva IY, Mishra PK. Cell-free circulating miRNAs-lncRNAs-mRNAs as predictive markers for breast cancer risk assessment in women exposed to indoor air pollution. CASE STUDIES IN CHEMICAL AND ENVIRONMENTAL ENGINEERING 2022; 6:100267. [DOI: 10.1016/j.cscee.2022.100267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/03/2023]
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Fan SJ, Cui Y, Li YH, Xu JC, Shen YY, Huang H, Hu ZC. LncRNA CASC9 activated by STAT3 promotes the invasion of breast cancer and the formation of lymphatic vessels by enhancing H3K27ac-activated SOX4. Kaohsiung J Med Sci 2022; 38:848-857. [PMID: 35860965 DOI: 10.1002/kjm2.12573] [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: 08/18/2021] [Revised: 04/26/2022] [Accepted: 06/13/2022] [Indexed: 11/10/2022] Open
Abstract
Numerous long noncoding RNAs (lncRNAs) are abnormally expressed in breast cancer (BC), but the underlying mechanisms remain large unknown. Here, we aimed to investigate the functions and mechanisms of lncRNA cancer susceptibility candidate 9 (CASC9) in BC. Western blotting and quantitative real-time PCR (qRT-PCR) were performed to assess gene and protein expression, respectively. The proliferative and metastatic abilities of BC cells were tested by cell counting kit-8 and transwell assays, respectively. The formation of lymphatic vessels was detected by tube formation assay. Chromatin immunoprecipitation (ChIP) and dual luciferase reporter assays were performed to verify molecular interactions. CASC9 was found to be highly expressed in BC tissues and cell lines, and ectopic overexpression was positively associated with tumor volume, TNM stage, and lymph node metastasis. In addition, CASC9 silencing significantly inhibited the proliferation and invasion of BC cells, as well as BC-associated invasion and formation of lymphatic vessels of human dermal lymphatic endothelial cells. Mechanical studies demonstrated that CASC9 could be transcriptionally activated by STAT3 and elevate SOX4 expression by enhancing the acetylation of its promoter region. Our results illustrated that STAT3-activated CASC9 served as a tumor-promoting gene involved in promoting BC invasion and BC-associated formation of lymphatic vessels by upregulating SOX4 through altering H3K27ac level. This finding elucidated a new underlying network of CASC9 in the metastasis of BC.
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Affiliation(s)
- Shan-Ji Fan
- The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
| | - Ying Cui
- College of Chemistry and Materials Science, Hengyang Normal University, Hengyang, Hunan Province, China
| | - Yue-Hua Li
- The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
| | - Jia-Chi Xu
- The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
| | - Ying-Ying Shen
- The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
| | - Hong Huang
- The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
| | - Ze-Cheng Hu
- The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
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Zhou C, Wu D. Abnormal expression of lncRNA CASC9 in pneumonia children with respiratory failure and its feasible value for the clinical diagnosis of patients. Cell Cycle 2022; 21:1879-1886. [PMID: 35587261 DOI: 10.1080/15384101.2022.2078616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
lncRNA CASC9 expression was involved in a variety of diseases and exerted a protective role against inflammation and sepsis-induced injury. However, the role of CASC9 in severe pneumonia remains unclear. This study aimed to explore the potential diagnostic role of lncRNA CASC9 in severe pneumonia. The CASC9 expression levels were measured by RT-qPCR. The receiver operating characteristic curve (ROC) was conducted to evaluate the clinical diagnostic value of CASC9 in severe pneumonia. LPS-induced human lung fibroblast MRC-5 was used to establish the pneumonia model and then transfected with CASC9 overexpression vectors to evaluate the influence of CASC9 on cell viability and apoptosis. The inflammatory cytokines IL-1β, TNF-α, IL-6 levels were detected using a commercial enzyme-linked immunosorbent assay (ELISA). Pearson correlation analysis was used to explore the correlation between CASC9 expression and clinical data. The relative expression of CASC9 was downregulated in serum samples of severe pneumonia patients. The low expression of CASC9 in severe pneumonia was negatively correlated with several clinical data. The CASC9 had the relatively high area under ROC curve (AUC) values for distinguishing severe pneumonia from pneumonia children and healthy control. The elevated expression of CASC9 accelerated cell viability and diminished apoptosis in LPS-induced MRC-5 cells. The CASC9 expression was decreased in serum samples of severe pneumonia, and upregulation of CASC9 facilitated LPS-induced cell viability and inhibited apoptosis. In summary, CASC9 might be a diagnostic predictor and might act as a crucial regulatory roles in the progression of severe pneumonia.
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Affiliation(s)
- Chi Zhou
- Department of Pediatrics, Zhuji Maternity and Child Care Hospital, Zhejiang, China
| | - Danfei Wu
- Department of Pediatrics, Zhuji Maternity and Child Care Hospital, Zhejiang, China
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She Q, Chen Y, Liu H, Tan J, Li Y. A high level of the long non-coding RNA MCF2L-AS1 is associated with poor prognosis in breast cancer and MCF2L-AS1 activates YAP transcriptional activity to enhance breast cancer proliferation and metastasis. Bioengineered 2022; 13:13437-13451. [PMID: 36700469 PMCID: PMC9276029 DOI: 10.1080/21655979.2022.2074108] [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] [Indexed: 02/01/2023] Open
Abstract
Breast cancer (BC) is one of the most prevalent gynecologic malignant tumors with a poor prognosis and the second leading cause of cancer-related deaths in women worldwide. In recent years, it has been shown that long non-coding RNA (lncRNA) plays an important role in the development of breast cancer (BC). An antisense lncRNA from the MCF2 cell line (MCF2L-AS1) has been discovered recently and has been shown to function in a variety of malignancies. However, its function as a regulator of BC development has yet to be determined. Herein, the bioinformatics study analysis showed that MCF2L-AS1 was frequently highly expressed in BC tumors, and this overexpression was associated with worse patient outcomes. BC cells' proliferation, migration, and invasion are inhibited when MCF2L-AS1 is silenced, whereas the inverse is evident when MCF2L-AS1 is overexpressed. It was also observed that MCF2L-AS1 knockdown decreased carcinogenesis in xenograft tumor models. Furthermore, we discovered that MCF2L-AS1 could bind to and improve the transcription activity of the yes-associated protein (YAP). However, following YAP knockdown, this lncRNA's ability to drive BC malignancy was considerably reduced. In conclusion, MCF2L-AS1 may represent a potential predictive biomarker in BC patients, as well as a key regulator of BC cell proliferation. It works through positive feedback processes involving direct YAP binding and subsequent modulation of intracellular gene expression. Our findings add to our understanding of MCF2L-AS1 regulation and its potential as a therapeutic target in patients with this fatal cancer type.
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Affiliation(s)
- Qing She
- Department of Breast Surgery, Baoji Municipal Central Hospital, Baoji, China
| | - Yuanyuan Chen
- Department of Breast Surgery, Baoji Municipal Central Hospital, Baoji, China
| | - Hong Liu
- Department of Breast Surgery, Baoji Municipal Central Hospital, Baoji, China
| | - Jichao Tan
- Department of Breast Surgery, Baoji Municipal Central Hospital, Baoji, China
| | - Youhuai Li
- Department of Breast Surgery, Baoji Municipal Central Hospital, Baoji, China,CONTACT Youhuai Li Department of Breast Surgery, Baoji Municipal Central Hospital, 8 Jiangtan Road, Weibin District, Baoji, Shaanxi721008, China
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Chen Y, Li X, Xu J, Xiao H, Tang C, Liang W, Zhu X, Fang Y, Wang H, Shi J. Knockdown of nuclear receptor binding SET domain-containing protein 1 (NSD1) inhibits proliferation and facilitates apoptosis in paclitaxel-resistant breast cancer cells via inactivating the Wnt/β-catenin signaling pathway. Bioengineered 2022; 13:3526-3536. [PMID: 35200072 PMCID: PMC8973718 DOI: 10.1080/21655979.2021.2018973] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The burden of breast cancer (BC) has exacerbated over decades. Paclitaxel resistance is responsible for increasing BC treatment burden. Nuclear receptor binding SET domain-containing protein 1 (NSD1) is positively correlated with a poor prognosis in patients with BC. This study investigates the function of NSD1 in paclitaxel-resistant (PR) BC cells. The high levels of NSD1 and Wnt10b in PR BC cell lines (MCF-7/PR) or MCF-7 parental cells were determined by RT-qPCR. Western blotting was conducted to measure the levels of NSD1 protein, apoptosis-associated proteins, Wnt10b protein, H3K36me2 protein, H3K27me3 protein, and signal pathway-associated proteins in MCF-7/PR cells or MCF-7 cells or in vivo subcutaneous xenografted tumor model, and the results demonstrated that NSD1 inhibited cell apoptosis and promoted cell proliferation and tumor growth via activating Wnt/β-catenin pathway. Cell apoptosis and viability were estimated using cell counting kit-8 assays and flow cytometry. Positive correlation between NSD1 and Wnt10b was identified by chromatin immunoprecipitation assay. The distribution of β-catenin was determined by immunofluorescence assays. We conclude that NSD1 knockdown inhibits the viability and promotes the apoptosis of paclitaxel-resistant BC cells by inactivating the NSD1/H3K27me3/Wnt10b/β-catenin signaling pathway.
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Affiliation(s)
- Yi Chen
- Department of Oncology, Nanjing Pukou Central Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xiao Li
- Department of Thyroid and Mammary Gland Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jin Xu
- Department of Thyroid and Mammary Gland Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hua Xiao
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Cuiju Tang
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Wei Liang
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xuedan Zhu
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yueyu Fang
- Department of Oncology, Nanjing Pukou Central Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hanjin Wang
- Department of Thyroid and Mammary Gland Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Junfeng Shi
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
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