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Peng J, Lin Y, Sheng X, Yuan C, Wang Y, Yin W, Zhou L, Lu J. Serum miRNA-1 may serve as a promising noninvasive biomarker for predicting treatment response in breast cancer patients receiving neoadjuvant chemotherapy. BMC Cancer 2024; 24:789. [PMID: 38956544 PMCID: PMC11221026 DOI: 10.1186/s12885-024-12500-6] [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: 03/06/2024] [Accepted: 06/10/2024] [Indexed: 07/04/2024] Open
Abstract
BACKGROUND MicroRNA-1 (miR-1) is a tumour suppressor that can inhibit cell proliferation and invasion in several cancer types. In addition, miR-1 was found to be associated with drug sensitivity. Circulating miRNAs have been proven to be potential biomarkers with predictive and prognostic value. However, studies of miR-1 expression in the serum of breast cancer (BC) patients are relatively scarce, especially in patients receiving neoadjuvant chemotherapy (NAC). METHODS Serum samples from 80 patients were collected before chemotherapy, and RT-PCR was performed to detect the serum expression of miR-1. The correlation between miR-1 expression in serum and clinicopathological factors, including pathological complete response (pCR), was analyzed by the chi-squared test and logistic regression. KEGG and GSEA analysis were also performed to determine the biological processes and signalling pathways involved. RESULTS The miR-1 high group included more patients who achieved a pCR than did the miR-1 low group (p < 0.001). Higher serum miR-1 levels showed a strong correlation with decreased ER (R = 0.368, p < 0.001) and PR (R = 0.238, p = 0.033) levels. The univariate model of miR-1 for predicting pCR achieved an AUC of 0.705 according to the ROC curve. According to the interaction analysis, miR-1 interacted with Ki67 to predict the NAC response. According to the Kaplan-Meier plot, a high serum miR-1 level was related to better disease-free survival (DFS) in the NAC cohort. KEGG analysis and GSEA results indicated that miR-1 may be related to the PPAR signalling pathway and glycolysis. CONCLUSIONS In summary, our data suggested that miR-1 could be a potential biomarker for pCR and survival outcomes in patients with BC treated with NAC.
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Affiliation(s)
- Jing Peng
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Road, Shanghai, 200127, China
| | - Yanping Lin
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Road, Shanghai, 200127, China
| | - Xiaonan Sheng
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Road, Shanghai, 200127, China
| | - Chenwei Yuan
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Road, Shanghai, 200127, China
| | - Yan Wang
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Road, Shanghai, 200127, China
| | - Wenjin Yin
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Road, Shanghai, 200127, China
| | - Liheng Zhou
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Road, Shanghai, 200127, China.
| | - Jinsong Lu
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, No.160 Pujian Road, Shanghai, 200127, China.
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Hong Y, Chen T, He Q, Ma Q, Chen Z. Clinical implications of serum miR-34a in breast cancer and its predictive value for the efficacy of neoadjuvant chemotherapy. Am J Transl Res 2024; 16:2711-2718. [PMID: 39006295 PMCID: PMC11236626 DOI: 10.62347/phys4309] [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: 03/25/2024] [Accepted: 06/05/2024] [Indexed: 07/16/2024]
Abstract
OBJECTIVES This study aims to explore the implications of serum miR-34a in breast cancer (BC) and its predictive value for the efficacy of neoadjuvant chemotherapy (NACT). METHODS A retrospective analysis was performed on 102 female BC patients (research group) admitted to The Second Affiliated Hospital of Anhui Medical University between January 2016 to March 2018 and 102 concurrent female health controls who underwent physical examinations (control group). Serum samples from both groups were subjected to quantitative reverse transcription polymerase chain reaction to measure miR-34a expression. The correlation of miR-34a with BC patients' clinical parameters was analyzed, and the implications of miR-34a for diagnosing BC and predicting NACT efficacy were assessed by receiver operating characteristic curves. Logistic regression analysis was employed to determine whether miR-34a independently influenced treatment effectiveness and patient outcomes. RESULTS The data showed significantly lower miR-34a levels in the research group than in the control group (P<0.05). The area under the curve (AUC) of miR-34a for differentiating BC was 0.888. In BC patients, miR-34a was strongly correlated with tumor staging and differentiation degree. Following NACT, BC patients showed an evident rise in miR-34a expression, with higher levels in patients with effective treatment compared to those with treatment failure (P<0.05). The AUC values of serum miR-34a in predicting the efficacy of neoadjuvant chemotherapy from FD to SD and from SD to TD were 0.880 and 0.861, respectively (P<0.001). Furthermore, patients with favorable prognosis exhibited markedly higher serum miR-34a expression than those with poor prognosis (P<0.05). The AUC of miR-34a expression for predicting adverse prognosis was 0.825. Decreased miR-34a was identified as an independent risk factor for treatment failure and poor prognosis. CONCLUSIONS Taken together, serum miR-34a is downregulated in BC and can predict the clinical progression of BC patients and the therapeutic efficacy of NACT.
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Affiliation(s)
- Yanyan Hong
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical University Hefei 230601, Anhui, China
| | - Tingting Chen
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical University Hefei 230601, Anhui, China
| | - Qian He
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical University Hefei 230601, Anhui, China
| | - Qiang Ma
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical University Hefei 230601, Anhui, China
| | - Zhendong Chen
- Department of Oncology, The Second Affiliated Hospital of Anhui Medical University Hefei 230601, Anhui, China
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Singh S, Saini H, Sharma A, Gupta S, Huddar VG, Tripathi R. Breast cancer: miRNAs monitoring chemoresistance and systemic therapy. Front Oncol 2023; 13:1155254. [PMID: 37397377 PMCID: PMC10312137 DOI: 10.3389/fonc.2023.1155254] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 06/05/2023] [Indexed: 07/04/2023] Open
Abstract
With a high mortality rate that accounts for millions of cancer-related deaths each year, breast cancer is the second most common malignancy in women. Chemotherapy has significant potential in the prevention and spreading of breast cancer; however, drug resistance often hinders therapy in breast cancer patients. The identification and the use of novel molecular biomarkers, which can predict response to chemotherapy, might lead to tailoring breast cancer treatment. In this context, accumulating research has reported microRNAs (miRNAs) as potential biomarkers for early cancer detection, and are conducive to designing a more specific treatment plan by helping analyze drug resistance and sensitivity in breast cancer treatment. In this review, miRNAs are discussed in two alternative ways-as tumor suppressors to be used in miRNA replacement therapy to reduce oncogenesis and as oncomirs to lessen the translation of the target miRNA. Different miRNAs like miR-638, miR-17, miR-20b, miR-342, miR-484, miR-21, miR-24, miR-27, miR-23 and miR-200 are involved in the regulation of chemoresistance through diverse genetic targets. For instance, tumor-suppressing miRNAs like miR-342, miR-16, miR-214, and miR-128 and tumor-promoting miRNAs like miR101 and miR-106-25 cluster regulate the cell cycle, apoptosis, epithelial to mesenchymal transition and other pathways to impart breast cancer drug resistance. Hence, in this review, we have discussed the significance of miRNA biomarkers that could assist in providing novel therapeutic targets to overcome potential chemotherapy resistance to systemic therapy and further facilitate the design of tailored therapy for enhanced efficacy against breast cancer.
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Affiliation(s)
- Shivam Singh
- Department of Radiation Oncology, Dr. B. R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Heena Saini
- Integrated translational Molecular Biology laboratory, Department of Rog Nidan and Vikriti vigyan (Pathology), All India Institute of Ayurveda (AIIA), New Delhi, India
| | - Ashok Sharma
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Subhash Gupta
- Department of Radiation Oncology, Dr. B. R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - V. G. Huddar
- Department of Kaya Chikitsa (Internal Medicine), All India Institute of Ayurveda (AIIA), New Delhi, India
| | - Richa Tripathi
- Integrated translational Molecular Biology laboratory, Department of Rog Nidan and Vikriti vigyan (Pathology), All India Institute of Ayurveda (AIIA), New Delhi, India
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4
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Zhang W, Xu K, Li Z, Wang L, Chen H. Tumor immune microenvironment components and the other markers can predict the efficacy of neoadjuvant chemotherapy for breast cancer. CLINICAL & TRANSLATIONAL ONCOLOGY : OFFICIAL PUBLICATION OF THE FEDERATION OF SPANISH ONCOLOGY SOCIETIES AND OF THE NATIONAL CANCER INSTITUTE OF MEXICO 2023; 25:1579-1593. [PMID: 36652115 DOI: 10.1007/s12094-023-03075-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 01/06/2023] [Indexed: 01/19/2023]
Abstract
Breast cancer is an epithelial malignant tumor that occurs in the terminal ducts of the breast. Neoadjuvant chemotherapy (NACT) is an important part of breast cancer treatment. Its purpose is to use systemic treatment for some locally advanced breast cancer patients, to decrease the tumor size and clinical stage so that non-operable breast cancer patients can have a chance to access surgical treatment, or patients who are not suitable for breast-conserving surgery can get the opportunity of breast-conserving. However, some patients who do not respond to NACT will lead deterioration in their condition. Therefore, prediction of NACT efficacy in breast cancer is vital for precision therapy. The tumor microenvironment (TME) has a crucial role in the carcinogenesis and therapeutic response of breast cancer. In this review, we summarized the immune cells, immune checkpoints, and other biomarkers in the TME that can evaluate the efficacy of NACT in treating breast cancer. We believe that the detection and evaluation of the TME components in breast cancer are helpful to predict the efficacy of NACT, and the prediction methods are in the prospect. In addition, we also summarized other predictive factors of NACT, such as imaging examination, biochemical markers, and multigene/multiprotein profiling.
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Affiliation(s)
- Weiqian Zhang
- Department of Pathology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People's Republic of China.,Department of Pathology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, People's Republic of China
| | - Ke Xu
- Department of Pathology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People's Republic of China.,Department of Pathology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, People's Republic of China
| | - Zhengfa Li
- Department of Pathology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People's Republic of China.,Department of Pathology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, People's Republic of China
| | - Linwei Wang
- Department of Oncology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People's Republic of China
| | - Honglei Chen
- Department of Pathology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, People's Republic of China. .,Department of Pathology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, People's Republic of China.
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miRNAs as therapeutic predictors and prognostic biomarkers of neoadjuvant chemotherapy in breast cancer: a systematic review and meta-analysis. Breast Cancer Res Treat 2022; 194:483-505. [PMID: 35727379 DOI: 10.1007/s10549-022-06642-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 05/30/2022] [Indexed: 11/02/2022]
Abstract
PURPOSE Accumulating evidence has shown that microRNAs (miRNAs) are promising biomarkers of neoadjuvant chemotherapy (NAC) response in breast cancer (BC). However, their predictive roles remain controversial. Thus, this systematic review and meta-analysis aimed to describe the role of miRNA expression in NAC response and prognosis in BC to increase statistical power and improve translation. METHODS A systematic review of electronic databases for relevant studies was conducted following PRISMA guidelines. Data were extracted, collated, and combined by odds ratio (OR) and hazard ratio (HR) with 95% confidence intervals (CIs) to estimate the strength of the associations. RESULTS Of the 560 articles screened, 59 studies were included in our systematic review, and 5 studies were included in the subsequent meta-analysis. Sixty of 123 miRNAs were found to be related with NAC response and an elevated baseline miR-7 level in tissues was associated with a higher pathological complete response rate (OR 5.63; 95% CI 2.15-14.79; P = 0.0004). The prognostic value of 39 miRNAs was also studied. Of them, 26 miRNAs were found to be associated with survival. Pooled HRs indicated that patients with increased levels of serum miR-21 from baseline to the end of the second NAC cycle and from baseline to the end of NAC had a worse disease-free survival than those with decreased levels. CONCLUSION Our results highlight that a large number of miRNAs have possible associations with NAC response and prognosis in BC patients. Further well-designed studies are needed to elucidate the molecular mechanisms underlying these associations.
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Dohmen J, Semaan A, Kobilay M, Zaleski M, Branchi V, Schlierf A, Hettwer K, Uhlig S, Hartmann G, Kalff JC, Matthaei H, Lingohr P, Holdenrieder S. Diagnostic Potential of Exosomal microRNAs in Colorectal Cancer. Diagnostics (Basel) 2022; 12:diagnostics12061413. [PMID: 35741223 PMCID: PMC9221658 DOI: 10.3390/diagnostics12061413] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 05/01/2022] [Accepted: 05/27/2022] [Indexed: 12/21/2022] Open
Abstract
Background: Despite the significance of colonoscopy for early diagnosis of colorectal adenocarcinoma (CRC), population-wide screening remains challenging, mainly because of low acceptance rates. Herein, exosomal (exo-miR) and free circulating microRNA (c-miR) may be used as liquid biopsies in CRC to identify individuals at risk. Direct comparison of both compartments has shown inconclusive results, which is why we directly compared a panel of 10 microRNAs in this entity. Methods: Exo-miR and c-miR levels were measured using real-time quantitative PCR after isolation from serum specimens in a cohort of 69 patients. Furthermore, results were compared to established tumor markers CEA and CA 19-9. Results: Direct comparison of exo- and c-miR biopsy results showed significantly higher microRNA levels in the exosomal compartment (p < 0.001). Exo-Let7, exo-miR-16 and exo-miR-23 significantly differed between CRC and healthy controls (all p < 0.05), while no c-miR showed this potential. Sensitivity and specificity can be further enhanced using combinations of multiple exosomal miRNAs. Conclusions: Exosomal microRNA should be considered as a promising biomarker in CRC for future studies. Nonetheless, results may show interference with common comorbidities, which must be taken into account in future studies.
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Affiliation(s)
- Jonas Dohmen
- Department of General, Visceral, Thoracic and Vascular Surgery, University Hospital, 53127 Bonn, Germany; (J.D.); (A.S.); (V.B.); (J.C.K.); (H.M.); (P.L.)
| | - Alexander Semaan
- Department of General, Visceral, Thoracic and Vascular Surgery, University Hospital, 53127 Bonn, Germany; (J.D.); (A.S.); (V.B.); (J.C.K.); (H.M.); (P.L.)
| | - Makbule Kobilay
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital, 53127 Bonn, Germany; (M.K.); (M.Z.); (G.H.)
| | - Martin Zaleski
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital, 53127 Bonn, Germany; (M.K.); (M.Z.); (G.H.)
| | - Vittorio Branchi
- Department of General, Visceral, Thoracic and Vascular Surgery, University Hospital, 53127 Bonn, Germany; (J.D.); (A.S.); (V.B.); (J.C.K.); (H.M.); (P.L.)
| | - Anja Schlierf
- QuoData GmbH-Quality & Statistics, 01309 Dresden, Germany; (A.S.); (K.H.); (S.U.)
- CEBIO GmbH—Center for Evaluation of Biomarkers, 81679 Munich, Germany
| | - Karina Hettwer
- QuoData GmbH-Quality & Statistics, 01309 Dresden, Germany; (A.S.); (K.H.); (S.U.)
- CEBIO GmbH—Center for Evaluation of Biomarkers, 81679 Munich, Germany
| | - Steffen Uhlig
- QuoData GmbH-Quality & Statistics, 01309 Dresden, Germany; (A.S.); (K.H.); (S.U.)
- CEBIO GmbH—Center for Evaluation of Biomarkers, 81679 Munich, Germany
| | - Gunther Hartmann
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital, 53127 Bonn, Germany; (M.K.); (M.Z.); (G.H.)
- Center for Integrated Oncology (CIO) Cologne/Bonn, 53127 Bonn, Germany
| | - Jörg C. Kalff
- Department of General, Visceral, Thoracic and Vascular Surgery, University Hospital, 53127 Bonn, Germany; (J.D.); (A.S.); (V.B.); (J.C.K.); (H.M.); (P.L.)
- Center for Integrated Oncology (CIO) Cologne/Bonn, 53127 Bonn, Germany
| | - Hanno Matthaei
- Department of General, Visceral, Thoracic and Vascular Surgery, University Hospital, 53127 Bonn, Germany; (J.D.); (A.S.); (V.B.); (J.C.K.); (H.M.); (P.L.)
- Center for Integrated Oncology (CIO) Cologne/Bonn, 53127 Bonn, Germany
| | - Philipp Lingohr
- Department of General, Visceral, Thoracic and Vascular Surgery, University Hospital, 53127 Bonn, Germany; (J.D.); (A.S.); (V.B.); (J.C.K.); (H.M.); (P.L.)
- Center for Integrated Oncology (CIO) Cologne/Bonn, 53127 Bonn, Germany
| | - Stefan Holdenrieder
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital, 53127 Bonn, Germany; (M.K.); (M.Z.); (G.H.)
- CEBIO GmbH—Center for Evaluation of Biomarkers, 81679 Munich, Germany
- Center for Integrated Oncology (CIO) Cologne/Bonn, 53127 Bonn, Germany
- Correspondence:
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Small non-coding RNA profiling in breast cancer: plasma U6 snRNA, miR-451a and miR-548b-5p as novel diagnostic and prognostic biomarkers. Mol Biol Rep 2022; 49:1955-1971. [PMID: 34993725 DOI: 10.1007/s11033-021-07010-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 11/24/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Breast cancer is a leading cause of cancer-related death in women. Most cases are invasive ductal carcinomas of no special type (NST breast carcinomas). METHODS AND RESULTS In this prospective, multicentric biomarker discovery study, we analyzed the expression of small non-coding RNAs (mainly microRNAs) in plasma by qPCR and evaluated their association with NST breast cancer. Large-scale expression profiling and subsequent validations have been performed in patient and control groups and compared with clinicopathological data. Small nuclear U6 snRNA, miR-548b-5p and miR-451a have been identified as candidate biomarkers. U6 snRNA was remarkably overexpressed in all the validations, miR-548b-5p levels were generally elevated and miR-451a expression was mostly downregulated in breast cancer groups. Combined U6 snRNA/miR-548b-5p signature demonstrated the best diagnostic performance based on the ROC curve analysis with AUC of 0.813, sensitivity 73.1% and specificity 82.6%. There was a trend towards increased expression of both miR-548b-5p and U6 snRNA in more advanced stages. Further, increased miR-548b-5p levels have been partially associated with higher grades, multifocality, Ki-67 positivity, and luminal B rather than luminal A samples. On the other hand, an association has been observed between high miR-451a expression and progesterone receptor positivity, lower grade, unifocal samples, Ki-67-negativity, luminal A rather than luminal B samples as well as improved progression-free survival and overall survival. CONCLUSIONS Our results indicated that U6 snRNA and miR-548b-5p may have pro-oncogenic functions, while miR-451a may act as tumor suppressor in breast cancer.
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Di Agostino S, Vahabi M, Turco C, Fontemaggi G. Secreted Non-Coding RNAs: Functional Impact on the Tumor Microenvironment and Clinical Relevance in Triple-Negative Breast Cancer. Noncoding RNA 2022; 8:ncrna8010005. [PMID: 35076579 PMCID: PMC8788502 DOI: 10.3390/ncrna8010005] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/05/2022] [Accepted: 01/07/2022] [Indexed: 12/11/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is a subtype of breast carcinoma characterized by poor prognosis and high rate of metastasis. Current treatment is based on chemo- and/or radiotherapy and surgery. TNBC is devoid of estrogen, progesterone and HER2 receptors. Although precision medicine has come a long way to ameliorate breast cancer disease management, targeted therapies for the treatment of TNBC patients are still limited. Mounting evidence has shown that non-coding RNAs (ncRNAs) drive many oncogenic processes at the basis of increased proliferation, invasion and angiogenesis in TNBC, strongly contributing to tumor progression and resistance to treatments. Many of these ncRNAs are secreted in the tumor microenvironment (TME) and impinge on the activity of the diverse immune and stromal cell types infiltrating the TME. Importantly, secreted ncRNAs may be detected as circulating molecules in serum/plasma from cancer patients and are emerging a promising diagnostic/therapeutic tools in TNBC. This review aims to discuss novel insights about the role of secreted circulating ncRNAs in the intercellular communication in the tumor microenvironment and their potential clinical use as diagnostic and prognostic non-invasive biomarkers in TNBC.
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Affiliation(s)
- Silvia Di Agostino
- Department of Health Sciences, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy
- Correspondence: (S.D.A.); (G.F.); Tel.: +39-06-5266-2878 (G.F.)
| | - Mahrou Vahabi
- Oncogenomic and Epigenetic Unit, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy; (M.V.); (C.T.)
| | - Chiara Turco
- Oncogenomic and Epigenetic Unit, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy; (M.V.); (C.T.)
| | - Giulia Fontemaggi
- Oncogenomic and Epigenetic Unit, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy; (M.V.); (C.T.)
- Correspondence: (S.D.A.); (G.F.); Tel.: +39-06-5266-2878 (G.F.)
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9
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Zhou Y, Sun L, Zhang Y, Chen K. Micro ribonucleic acid-448 regulates zinc finger e-box binding homeobox 1 to inhibit the growth of breast cancer cells and increase their sensitivity to chemotherapy. Clinics (Sao Paulo) 2022; 77:100089. [PMID: 35905576 PMCID: PMC9335378 DOI: 10.1016/j.clinsp.2022.100089] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 02/02/2022] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE This study aimed to investigate the effect of Zinc Finger E-box Binding Homeobox 1 (ZEB1) regulation by Micro Ribonucleic acid (miR)-448 on Breast Cancer (BC) cells and their sensitivity to chemotherapy. METHODS miR-448 and ZEB1 mRNA levels in BC and normal tissues were detected by qPCR, and ZEB1 protein was detected by Western Blotting (WB). The correlation between miR-448 and tumor metastasis, clinical staging, and ZEB1 expression was analyzed. MCF-7 cells were transfected or co-transfected with the miR-448 mimic, oe-ZEB1, or their negative controls. Changes in miR-448 and ZEB1 expression were detected by qPCR and WB. Cell proliferation was determined by CCK-8 assays, invasion changes were analyzed by Transwell assays, and apoptosis was detected by flow cytometry. RESULTS miR-448 expression in BC tissues was lower than that in normal tissues, while ZEB1 expression was increased in the former. ZEB1 expression was lower in BC patients with lymph node metastasis than in those without. In patients with clinical stage I-III BC, miR-448 expression decreased with an increase in tumor stage, which was negatively correlated with ZEB1 expression. Upregulation of miR-448 expression can suppress MCF-7 cell proliferation and invasion and promote apoptosis. Upregulation of ZEB1 expression in cells overexpressing miR-448 can partially reverse the inhibition of BC cell growth induced by miR-448. miR-448 can enhance the sensitivity of cells toward paclitaxel and 5-fluorouracil. CONCLUSIONS miR-448 suppresses cell proliferation and invasion and promotes apoptosis by targeting ZEB1. Moreover, it can increase the sensitivity of cells toward paclitaxel and 5-fluorouracil.
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Affiliation(s)
- Yizhou Zhou
- Department of Oncology, the First Affiliated Hospital of Soochow University, Soochow, Jiangsu, China
| | - Li Sun
- Department of Oncology, Xuzhou Central Hospital, Xuzhou, Jiangsu, China
| | - Yangmei Zhang
- Department of Oncology, Xuzhou Central Hospital, Xuzhou, Jiangsu, China
| | - Kai Chen
- Department of Oncology, the First Affiliated Hospital of Soochow University, Soochow, Jiangsu, China.
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10
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Zhang Z, Zhang H, Li C, Xiang Q, Xu L, Liu Q, Pang X, Zhang W, Zhang H, Zhang S, Duan X, Liu Y, Cui Y. Circulating microRNAs as indicators in the prediction of neoadjuvant chemotherapy response in luminal B breast cancer. Thorac Cancer 2021; 12:3396-3406. [PMID: 34751517 PMCID: PMC8671904 DOI: 10.1111/1759-7714.14219] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 10/19/2021] [Accepted: 10/20/2021] [Indexed: 12/25/2022] Open
Abstract
PURPOSE Circulating microRNAs (miRNAs) have been indicated as predictive biomarker for the response to neoadjuvant chemotherapy (NAC) and the prognosis of breast cancer (BC); however, to date the conclusions have been controversial. The biological characteristics of BC were affected by molecular subtypes. Hence, we aimed to investigate the predictive effect of miRNAs on NAC response in luminal B BC patients. METHODS Thirty-seven luminal B BC patient under NAC were prospectively enrolled in this study. Based on their clinical, pathological, and comprehensive response, the patients were defined as responder or non-responders, respectively. Circulating miRNAs were isolated from blood samples before and at the middle of NAC, and candidate miRNAs (miR-34a-5p, miR-125b-5p, miR-210, miR-222, miR-375, miR-718, miR-4516, and let-7g) were analyzed by quantitative real-time polymerase chain reaction (PCR). In addition, the association between miRNAs and disease-free survival (DFS) was examined. RESULTS miR-718, miR-4516, miR-210, and miR-125b-5p were found to be specific miRNAs associated with chemo-sensitivity of luminal B HER2 negative patients (n = 24). In the luminal B HER2 positive cohort (n = 13), dynamics of miR-222 and let-7g correlated with pathological response. Treatment-induced increase in miR-34a-5p in the responders except who reached pathologic complete response (pCR) was consistently identified across all luminal B patients and its two subgroups. Finally, after adjustments for Neo-Bioscore, patients with increased levels of miR-125b-5p during NAC had a worse DFS than those with decreased levels (HR = 5.86, 95% CI = 1.39-24.62, p = 0.016). CONCLUSION Specific circulating miRNAs were identified as predictive markers for NAC response and prognosis in luminal B BC. The underlying mechanism needs further studies.
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Affiliation(s)
- Zhuo Zhang
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Hanxu Zhang
- Department of Pharmacy, Peking University First Hospital, Beijing, China.,School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, China
| | - Chao Li
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Qian Xiang
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Ling Xu
- Breast Disease Center, Peking University First Hospital, Beijing, China
| | - Qianxin Liu
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Xiaocong Pang
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Wenjia Zhang
- Department of Pharmacy, Peking University First Hospital, Beijing, China
| | - Hong Zhang
- Department of Pathology, Peking University First Hospital, Beijing, China
| | - Shuang Zhang
- Department of Pathology, Peking University First Hospital, Beijing, China
| | - Xuening Duan
- Breast Disease Center, Peking University First Hospital, Beijing, China
| | - Yinhua Liu
- Breast Disease Center, Peking University First Hospital, Beijing, China
| | - Yimin Cui
- Department of Pharmacy, Peking University First Hospital, Beijing, China.,School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, China.,Institute of Clinical Pharmacology, Peking University, Beijing, China
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11
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Ahmed KT, Sun J, Chen W, Martinez I, Cheng S, Zhang W, Yong J, Zhang W. In silico model for miRNA-mediated regulatory network in cancer. Brief Bioinform 2021; 22:bbab264. [PMID: 34279571 PMCID: PMC8575005 DOI: 10.1093/bib/bbab264] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 06/19/2021] [Accepted: 06/21/2021] [Indexed: 12/12/2022] Open
Abstract
Deregulation of gene expression is associated with the pathogenesis of numerous human diseases including cancer. Current data analyses on gene expression are mostly focused on differential gene/transcript expression in big data-driven studies. However, a poor connection to the proteome changes is a widespread problem in current data analyses. This is partly due to the complexity of gene regulatory pathways at the post-transcriptional level. In this study, we overcome these limitations and introduce a graph-based learning model, PTNet, which simulates the microRNAs (miRNAs) that regulate gene expression post-transcriptionally in silico. Our model does not require large-scale proteomics studies to measure the protein expression and can successfully predict the protein levels by considering the miRNA-mRNA interaction network, the mRNA expression, and the miRNA expression. Large-scale experiments on simulations and real cancer high-throughput datasets using PTNet validated that (i) the miRNA-mediated interaction network affects the abundance of corresponding proteins and (ii) the predicted protein expression has a higher correlation with the proteomics data (ground-truth) than the mRNA expression data. The classification performance also shows that the predicted protein expression has an improved prediction power on cancer outcomes compared to the prediction done by the mRNA expression data only or considering both mRNA and miRNA. Availability: PTNet toolbox is available at http://github.com/CompbioLabUCF/PTNet.
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Affiliation(s)
| | - Jiao Sun
- Department of Computer Science, University of Central Florida, Orlando, FL 32816, USA
| | - William Chen
- Department of Computer Science, University of Central Florida, Orlando, FL 32816, USA
| | - Irene Martinez
- Department of Molecular Biotechnology, Universität Heidelberg, Heidelberg, 69120, Germany
| | - Sze Cheng
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota Twin Cities, Minneapolis, MN 55455, USA
| | - Wencai Zhang
- Division of Cancer Research, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL 32827, USA
| | - Jeongsik Yong
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota Twin Cities, Minneapolis, MN 55455, USA
| | - Wei Zhang
- Department of Computer Science, University of Central Florida, Orlando, FL 32816, USA
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12
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Differences in plasma microRNA content impair microRNA-based signature for breast cancer diagnosis in cohorts recruited from heterogeneous environmental sites. Sci Rep 2021; 11:11698. [PMID: 34083680 PMCID: PMC8175697 DOI: 10.1038/s41598-021-91278-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 05/21/2021] [Indexed: 02/04/2023] Open
Abstract
Circulating microRNAs are non-invasive biomarkers that can be used for breast cancer diagnosis. However, differences in cancer tissue microRNA expression are observed in populations with different genetic/environmental backgrounds. This work aims at checking if a previously identified diagnostic circulating microRNA signature is efficient in other genetic and environmental contexts, and if a universal circulating signature might be possible. Two populations are used: women recruited in Belgium and Rwanda. Breast cancer patients and healthy controls were recruited in both populations (Belgium: 143 primary breast cancers and 136 healthy controls; Rwanda: 82 primary breast cancers and 73 healthy controls; Ntot = 434), and cohorts with matched age and cancer subtypes were compared. Plasmatic microRNA profiling was performed by RT-qPCR. Random Forest was used to (1) evaluate the performances of the previously described breast cancer diagnostic tool identified in Belgian-recruited cohorts on Rwandan-recruited cohorts and vice versa; (2) define new diagnostic signatures common to both recruitment sites; (3) define new diagnostic signatures efficient in the Rwandan population. None of the circulating microRNA signatures identified is accurate enough to be used as a diagnostic test in both populations. However, accurate circulating microRNA signatures can be found for each specific population, when taken separately.
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13
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Wan X, Hou J, Liu S, Zhang Y, Li W, Zhang Y, Ding Y. Estrogen Receptor α Mediates Doxorubicin Sensitivity in Breast Cancer Cells by Regulating E-Cadherin. Front Cell Dev Biol 2021; 9:583572. [PMID: 33614637 PMCID: PMC7889969 DOI: 10.3389/fcell.2021.583572] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 01/11/2021] [Indexed: 12/31/2022] Open
Abstract
Anthracyclines resistance is commonly seen in patients with estrogen receptor α (ERα) positive breast cancer. Epithelial-mesenchymal transition (EMT), which is characterized with the loss of epithelial cell polarity, cell adhesion and acquisition of new invasive property, is considered as one of the mechanisms of chemotherapy-induced drug resistance. In order to identify factors that associated with doxorubicin resistance, we performed in vitro and in vivo experiments using human and mouse breast cancer cell lines with different ERα status. Cell survival experiments revealed that ERα-positive cells (MCF-7 and MCF-7/ADR cell lines), were less sensitive to doxorubicin than ERα-negative (MDA-MB-231, MDA-MB-468) cells, and mouse mammary carcinoma cells (4T-1). The expression of E-cadherin reduced in low-invasive ERα-positive MCF-7 cells after treatment with doxorubicin, indicating epithelial mesenchymal transition. In contrast, the expression of E-cadherin was upregulated in high-invasive ERα-negative cells, showing mesenchymal-epithelial transition (MET). Moreover, it was found that the growth inhibition of 4T-1 cells by doxorubicin was positively correlated with the expression of E-cadherin. In a mouse breast cancer xenograft model, E-cadherin was overexpressed in the primary tumor tissues of the doxorubicin-treated mice. In ERα-positive MCF-7 cells, doxorubicin treatment upregulated the expression of EMT-related transcription factors Snail and Twist, that regulate the expression of E-cadherin. Following overexpression of ERα in ERα-negative cells (MDA-MB-231 and MDA-MB-468), doxorubicin enhanced the upregulation of Snail and Twist, decreased expression of E-cadherin, and decreased the sensitivity of cells to doxorubicin. In contrast, inhibition of ERα activity increased the sensitivity to doxorubicin in ERα-positive MCF-7 cells. These data suggest that the regulation of Snail and/or Twist varies depends on different ERα status. Therefore, doxorubicin combined with anti-estrogen receptor α therapy could improve the treatment efficacy of doxorubicin in ERα-positive breast cancer.
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Affiliation(s)
- Xiaoqing Wan
- Laboratory of Molecular Oncology, Weifang Medical University, Weifang, China.,Department of Pathophysiology, Weifang Medical University, Weifang, China
| | - Jiaxin Hou
- School of Physical Education & Sports Science, Qufu Normal University, Qufu, China
| | - Shurong Liu
- Laboratory of Molecular Oncology, Weifang Medical University, Weifang, China
| | - Yanli Zhang
- Department of Pathophysiology, Weifang Medical University, Weifang, China
| | - Wenqing Li
- Laboratory of Molecular Oncology, Weifang Medical University, Weifang, China
| | - Yanru Zhang
- Laboratory of Molecular Oncology, Weifang Medical University, Weifang, China
| | - Yi Ding
- Department of Pathophysiology, Weifang Medical University, Weifang, China.,Key Laboratory of Applied Pharmacology, Weifang Medical University, Weifang, China
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14
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Maloney SM, Hoover CA, Morejon-Lasso LV, Prosperi JR. Mechanisms of Taxane Resistance. Cancers (Basel) 2020; 12:E3323. [PMID: 33182737 PMCID: PMC7697134 DOI: 10.3390/cancers12113323] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 10/30/2020] [Accepted: 11/06/2020] [Indexed: 12/17/2022] Open
Abstract
The taxane family of chemotherapy drugs has been used to treat a variety of mostly epithelial-derived tumors and remain the first-line treatment for some cancers. Despite the improved survival time and reduction of tumor size observed in some patients, many have no response to the drugs or develop resistance over time. Taxane resistance is multi-faceted and involves multiple pathways in proliferation, apoptosis, metabolism, and the transport of foreign substances. In this review, we dive deeper into hypothesized resistance mechanisms from research during the last decade, with a focus on the cancer types that use taxanes as first-line treatment but frequently develop resistance to them. Furthermore, we will discuss current clinical inhibitors and those yet to be approved that target key pathways or proteins and aim to reverse resistance in combination with taxanes or individually. Lastly, we will highlight taxane response biomarkers, specific genes with monitored expression and correlated with response to taxanes, mentioning those currently being used and those that should be adopted. The future directions of taxanes involve more personalized approaches to treatment by tailoring drug-inhibitor combinations or alternatives depending on levels of resistance biomarkers. We hope that this review will identify gaps in knowledge surrounding taxane resistance that future research or clinical trials can overcome.
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Affiliation(s)
- Sara M. Maloney
- Harper Cancer Research Institute, South Bend, IN 46617, USA;
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, South Bend, IN 46617, USA
| | - Camden A. Hoover
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA; (C.A.H.); (L.V.M.-L.)
| | - Lorena V. Morejon-Lasso
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA; (C.A.H.); (L.V.M.-L.)
| | - Jenifer R. Prosperi
- Harper Cancer Research Institute, South Bend, IN 46617, USA;
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, South Bend, IN 46617, USA
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA; (C.A.H.); (L.V.M.-L.)
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15
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Liquid biopsy for breast cancer using extracellular vesicles and cell-free microRNAs as biomarkers. Transl Res 2020; 223:40-60. [PMID: 32413499 DOI: 10.1016/j.trsl.2020.04.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 03/31/2020] [Accepted: 04/07/2020] [Indexed: 12/24/2022]
Abstract
Improvement of breast cancer (BC) patient's outcome is directly related to early detection. However, there is still a lack of reliable biomarkers for diagnosis, prognosis and, treatment follow up in BC, leading researchers to study the potential of liquid biopsy based on circulating microRNAs (c-miRNAs). These c-miRNAs can be cell-free or associated with extracellular vesicles (EVs), and have great advantages such as stability in biofluids, noninvasive accessibility compared to current techniques (core-biopsy and surgery), and expression associated with pathogenic conditions. Recently, a new promising field of EV-derived miRNAs (EV-miRNAs) as cancer biomarkers has emerged, receiving special attention due to their selective vesicle sorting which makes them accurate for disease detection. In this review, we discuss new findings about c-miRNA and their potential as biomarkers for BC diagnosis, prognosis, and therapy. Additionally, we address the impact of limitations associated with the standardization of analysis techniques and methods on the implementation of these biomarkers in the clinical setting.
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16
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Sohel MMH. Circulating microRNAs as biomarkers in cancer diagnosis. Life Sci 2020; 248:117473. [PMID: 32114007 DOI: 10.1016/j.lfs.2020.117473] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/24/2020] [Accepted: 02/24/2020] [Indexed: 02/07/2023]
Abstract
MicroRNAs (miRNAs) are a group of tiny molecules of 18-22 nucleotide long noncoding RNA that regulate the post-transcriptional gene expression through translational inhibition and/or mRNA destabilization. Because of their involvement in important developmental processes, it is highly likely that the altered expression of miRNAs could be associated with abnormal conditions like suboptimal growth or diseases. Thus, the expression of miRNAs can be used as biomarkers in pathophysiological conditions. Recently, a handful of miRNAs are detected in cell-free conditions including biofluids and cell culture media and they exhibit specific expression patterns that are associated with altered physiological conditions. Extracellular miRNAs are not only extremely stable outside cells in a variety of biofluids but also they are easy to acquire. These characteristics led to the idea of using extracellular miRNAs as a potential biomarker for the onset and prognosis of cancer. Although miRNAs have been proposed as a potential diagnostic tool for cancer detection, their application in the routine clinical investigation is yet to come. First, this review will provide an insight into the extracellular miRNAs, particularly, their release mechanisms and characteristics, and the potential of extracellular miRNAs as a biomarker in cancer detection. Finally, it will discuss the potential of using extracellular miRNAs in different cancer diagnoses and challenges associated with the clinical application of extracellular miRNAs as noninvasive biomarkers.
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Affiliation(s)
- Md Mahmodul Hasan Sohel
- Genome and Stem Cell Centre, Erciyes University, Kayseri 38039, Turkey; Department of Genetics, Faculty of Veterinary Medicine, Erciyes University, Kayseri 38039, Turkey.
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17
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Bai H, Wu S. miR-451: A Novel Biomarker and Potential Therapeutic Target for Cancer. Onco Targets Ther 2019; 12:11069-11082. [PMID: 31908476 PMCID: PMC6924581 DOI: 10.2147/ott.s230963] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 11/28/2019] [Indexed: 12/14/2022] Open
Abstract
MicroRNAs (miRNAs) are endogenous, non-coding, single-stranded small RNAs involved in a variety of cellular processes, including ontogeny, cell proliferation, differentiation, and apoptosis. They can also function as oncogenes or tumor suppressor genes. Recent studies have revealed that miRNA-451 (miR-451) is involved in the regulation of various human physiological and pathological processes. Furthermore, it has been shown that miR-451 not only directly affects the biological functions of tumor cells but also indirectly affects tumor cell invasion and metastasis upon secretion into the tumor microenvironment via exosomes. Thus, miR-451 also influences the progression of tumorigenesis and drug resistance. This review summarizes the expression of miR-451 in various cancer types and the relationship between miR-451 and the diagnosis, treatment, and drug resistance of solid tumors. In addition, we address possible mechanisms of action of miR-451 and its potential application as a biomarker in the diagnosis and treatment of human cancers.
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Affiliation(s)
- Hua Bai
- Department of Gynecology and Obstetrics, Shanxi Dayi Hospital Affiliated to Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Suhui Wu
- Department of Gynecology and Obstetrics, Shanxi Dayi Hospital Affiliated to Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
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18
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Ritter A, Hirschfeld M, Berner K, Rücker G, Jäger M, Weiss D, Medl M, Nöthling C, Gassner S, Asberger J, Erbes T. Circulating non‑coding RNA‑biomarker potential in neoadjuvant chemotherapy of triple negative breast cancer? Int J Oncol 2019; 56:47-68. [PMID: 31789396 PMCID: PMC6910196 DOI: 10.3892/ijo.2019.4920] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 09/26/2019] [Indexed: 12/11/2022] Open
Abstract
Due to the positive association between neoadjuvant chemotherapy (NACT) and the promising early response rates of patients with triple negative breast cancer (TNBC), including probabilities of pathological complete response, NACT is increasingly used in TNBC management. Liquid biopsy-based biomarkers with the power to diagnose the early response to NACT may support established monitoring tools, which are to a certain extent imprecise and costly. Simple serum- or urine-based analyses of non-coding RNA (ncRNA) expression may allow for fast, minimally-invasive testing and timely adjustment of the therapy regimen. The present study investigated breast cancer-related ncRNAs [microRNA (miR)-7, -9, -15a, -17, -18a, -19b, -21, -30b, -222 and -320c, PIWI-interacting RNA-36743 and GlyCCC2] in triple positive BT-474 cells and three TNBC cell lines (BT-20, HS-578T and MDA-MB-231) treated with various chemotherapeutic agents using reverse transcription-quantitative PCR. Intracellular and secreted microvesicular ncRNA expression levels were analysed using a multivariable statistical regression analysis. Chemotherapy-driven effects were investigated by analysing cell cycle determinants at the mRNA and protein levels. Serum and urine specimens from 8 patients with TNBC were compared with 10 healthy females using two-sample t-tests. Samples from the patients with TNBC were compared at two time points. Chemotherapeutic treatments induced distinct changes in ncRNA expression in TNBC cell lines and the BT-474 cell line in intra- and extracellular compartments. Serum and urine-based ncRNA expression analysis was able to discriminate between patients with TNBC and controls. Time point comparisons in the urine samples of patients with TNBC revealed a general rise in the level of ncRNA. Serum data suggested a potential association between piR-36743, miR-17, -19b and -30b expression levels and an NACT-driven complete clinical response. The present study highlighted the potential of ncRNAs as liquid biopsy-based biomarkers in TNBC chemotherapy treatment. The ncRNAs tested in the present study have been previously investigated for their involvement in BC or TNBC chemotherapy responses; however, these previous studies were restricted to patient tissue or in vitro models. The data from the present study offer novel insight into ncRNA expression in liquid samples from patients with TNBC, and the study serves as an initial step in the evaluation of ncRNAs as diagnostic biomarkers in the monitoring of TNBC therapy.
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Affiliation(s)
- Andrea Ritter
- Department of Obstetrics and Gynecology, Faculty of Medicine, Medical Center‑University of Freiburg, D‑79106 Freiburg, Germany
| | - Marc Hirschfeld
- Department of Obstetrics and Gynecology, Faculty of Medicine, Medical Center‑University of Freiburg, D‑79106 Freiburg, Germany
| | - Kai Berner
- Department of Obstetrics and Gynecology, Faculty of Medicine, Medical Center‑University of Freiburg, D‑79106 Freiburg, Germany
| | - Gerta Rücker
- Institute of Medical Biometry and Statistics, Faculty of Medicine, Medical Center‑University of Freiburg, D‑79104 Freiburg, Germany
| | - Markus Jäger
- Department of Obstetrics and Gynecology, Faculty of Medicine, Medical Center‑University of Freiburg, D‑79106 Freiburg, Germany
| | - Daniela Weiss
- Department of Obstetrics and Gynecology, Faculty of Medicine, Medical Center‑University of Freiburg, D‑79106 Freiburg, Germany
| | - Markus Medl
- Department of Obstetrics and Gynecology, Faculty of Medicine, Medical Center‑University of Freiburg, D‑79106 Freiburg, Germany
| | - Claudia Nöthling
- Department of Obstetrics and Gynecology, Faculty of Medicine, Medical Center‑University of Freiburg, D‑79106 Freiburg, Germany
| | - Sandra Gassner
- Department of Obstetrics and Gynecology, Faculty of Medicine, Medical Center‑University of Freiburg, D‑79106 Freiburg, Germany
| | - Jasmin Asberger
- Department of Obstetrics and Gynecology, Faculty of Medicine, Medical Center‑University of Freiburg, D‑79106 Freiburg, Germany
| | - Thalia Erbes
- Department of Obstetrics and Gynecology, Faculty of Medicine, Medical Center‑University of Freiburg, D‑79106 Freiburg, Germany
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19
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Clinical Theragnostic Relationship between Drug-Resistance Specific miRNA Expressions, Chemotherapeutic Resistance, and Sensitivity in Breast Cancer: A Systematic Review and Meta-Analysis. Cells 2019; 8:cells8101250. [PMID: 31615089 PMCID: PMC6830093 DOI: 10.3390/cells8101250] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 09/20/2019] [Accepted: 09/21/2019] [Indexed: 12/12/2022] Open
Abstract
Awareness of breast cancer has been increasing due to early detection, but the advanced disease has limited treatment options. There has been growing evidence on the role of miRNAs involved in regulating the resistance in several cancers. We performed a comprehensive systematic review and meta-analysis on the role of miRNAs in influencing the chemoresistance and sensitivity of breast cancer. A bibliographic search was performed in PubMed and Science Direct based on the search strategy, and studies published until December 2018 were retrieved. The eligible studies were included based on the selection criteria, and a detailed systematic review and meta-analysis were performed based on PRISMA guidelines. A random-effects model was utilised to evaluate the combined effect size of the obtained hazard ratio and 95% confidence intervals from the eligible studies. Publication bias was assessed with Cochran’s Q test, I2 statistic, Orwin and Classic fail-safe N test, Begg and Mazumdar rank correlation test, Duval and Tweedie trim and fill calculation and the Egger’s bias indicator. A total of 4584 potential studies were screened. Of these, 85 articles were eligible for our systematic review and meta-analysis. In the 85 studies, 188 different miRNAs were studied, of which 96 were upregulated, 87 were downregulated and 5 were not involved in regulation. Overall, 24 drugs were used for treatment, with doxorubicin being prominently reported in 15 studies followed by Paclitaxel in 11 studies, and 5 drugs were used in combinations. We found only two significant HR values from the studies (miR-125b and miR-4443) and our meta-analysis results yielded a combined HR value of 0.748 with a 95% confidence interval of 0.508–1.100; p-value of 0.140. In conclusion, our results suggest there are different miRNAs involved in the regulation of chemoresistance through diverse drug genetic targets. These biomarkers play a crucial role in guiding the effective diagnostic and prognostic efficiency of breast cancer. The screening of miRNAs as a theragnostic biomarker must be brought into regular practice for all diseases. We anticipate that our study serves as a reference in framing future studies and clinical trials for utilising miRNAs and their respective drug targets.
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20
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Pratama MY, Pascut D, Massi MN, Tiribelli C. The role of microRNA in the resistance to treatment of hepatocellular carcinoma. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:577. [PMID: 31807558 DOI: 10.21037/atm.2019.09.142] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Hepatocellular carcinoma (HCC) is the second most common cause of cancer-related death with a limited efficacy of treatment for intermediate and advanced stages of the disease. Several therapeutic approaches such as trans-arterial chemoembolization (TACE) with anthracyclines, cisplatin and multikinase inhibitor sorafenib have been appealing choices of treatments yet failed to reach a satisfactory outcome mainly due to the numerous mechanisms that influence patient's response. MicroRNAs (miRNAs) are key regulators of many intracellular processes related to drug resistance. This phenomenon has been linked to the modulation of several complex pathways, ranging from the loss of ability of drug accumulation, protective mechanism of autophagy, adaptive mechanism of cancer cells towards the drugs-induced environment, decrease DNA damage and suppression of downstream events that transduce its signal into apoptosis. We summarize the recent findings on the involvement of miRNAs in various drug resistance-related mechanisms in the development of resistance to anthracyclines, cisplatin and sorafenib therapies. Furthermore, we describe the possible application of miRNAs as circulating biomarkers predicting therapy response in HCC. Thus, the undeniable potential and paramount role of miRNA in drug resistance may eventually lead to improved clinical strategies and outcomes for HCC patients.
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Affiliation(s)
- Muhammad Yogi Pratama
- Fondazione Italiana Fegato, AREA Science Park Bazovizza, Trieste, Italy.,Faculty of Medicine, Universitas Hasanuddin, Makassar, Indonesia
| | - Devis Pascut
- Fondazione Italiana Fegato, AREA Science Park Bazovizza, Trieste, Italy
| | | | - Claudio Tiribelli
- Fondazione Italiana Fegato, AREA Science Park Bazovizza, Trieste, Italy
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21
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Najminejad H, Kalantar SM, Abdollahpour‐Alitappeh M, Karimi MH, Seifalian AM, Gholipourmalekabadi M, Sheikhha MH. Emerging roles of exosomal miRNAs in breast cancer drug resistance. IUBMB Life 2019; 71:1672-1684. [DOI: 10.1002/iub.2116] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 06/19/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Hamid Najminejad
- Department of Medical GeneticsShahid Sadoughi University of Medical Sciences Yazd Iran
| | - Seyed Mehdi Kalantar
- Research and Clinical Center for InfertilityShahid Sadoughi University of Medical Sciences Yazd Iran
| | | | | | - Alexander M. Seifalian
- Nanotechnology & Regenerative Medicine Commercialization Centre (Ltd)The London BioScience Innovation Centre London UK
| | - Mazaher Gholipourmalekabadi
- Cellular and Molecular Research CentreIran University of Medical Sciences Tehran Iran
- Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in MedicineIran University of Medical Sciences Tehran Iran
| | - Mohammad Hasan Sheikhha
- Research and Clinical Center for InfertilityShahid Sadoughi University of Medical Sciences Yazd Iran
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22
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Bahmanpour Z, Sheervalilou R, Choupani J, Shekari Khaniani M, Montazeri V, Mansoori Derakhshan S. A new insight on serum microRNA expression as novel biomarkers in breast cancer patients. J Cell Physiol 2019; 234:19199-19211. [PMID: 31026062 DOI: 10.1002/jcp.28656] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 02/17/2019] [Accepted: 03/19/2019] [Indexed: 12/26/2022]
Abstract
Breast cancer (BC) is one of the widespread lethal diseases affecting a large number of women worldwide. As such, employing and identifying significant markers for detecting BC in different stages can assist in better diagnosis and management of the disease. Several diverse markers have been introduced for diagnosis, but their limitations, including low specificity and sensitivity, reduce their application. microRNAs (miRNAs), as short noncoding RNAs, have been shown to significantly influence gene expression in different disease pathologies, especially BC. Clearly, among different samples used for detecting miRNA expressions, circulating miRNAs present as promising and useful biomarkers. Among different body fluid samples, serum serves as one of the most reliable samples, thanks to its high stability under various severe conditions and some unique features. Extensive research has suggested that BC-related miRNAs can remain stable in the serum. The objective of this review is to describe different samples used for detecting miRNAs in BC subjects with emphasis on serum miRNAs. So, this study highlights serum miRNAs with the potential of acting as biomarkers for different stages of BC. We reviewed the possible correlation between potential miRNAs and the risk of early breast cancer, metastatic breast cancer, response to chemotherapy, and relapse.
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Affiliation(s)
- Zahra Bahmanpour
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Roghayeh Sheervalilou
- Faculty of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jalal Choupani
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahmoud Shekari Khaniani
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahid Montazeri
- Department of Pathology, Imam Khomeini Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sima Mansoori Derakhshan
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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23
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Jiang X, Hou D, Wei Z, Zheng S, Zhang Y, Li J. Extracellular and intracellular microRNAs in pancreatic cancer: from early diagnosis to reducing chemoresistance. ACTA ACUST UNITED AC 2019. [DOI: 10.1186/s41544-019-0014-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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24
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Zhang J, Jiang Y, Han X, Roy M, Liu W, Zhao X, Liu J. Differential expression profiles and functional analysis of plasma miRNAs associated with chronic myeloid leukemia phases. Future Oncol 2019; 15:763-776. [PMID: 30501399 DOI: 10.2217/fon-2018-0741] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Aim: This study was aimed to investigate the expression profiles and biological function of plasma miRNAs at different phases of chronic myeloid leukemia (CML). Materials & methods: Differentially expressed miRNAs were identified by microarray. The candidate miRNAs were validated by quantitative real-time PCR at chronic phase, accelerated phase and blast crisis. The functional analysis of miRNAs was carried out by using DAVID. Results: The putative targets of dysregulated miRNAs were involved in important signaling pathways. Plasma let-7b-5p and miR-451a expression was lower in CML patients, and plasma miR-451a gradually decreased from chronic phase to accelerated phase and blast crisis. Conclusion: Dysregulated plasma miRNAs maybe play regulatory roles in pathogenesis of CML. Let-7b-5p and miR-451a can be used as potential biomarkers for the diagnosis and prognosis of CML.
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Affiliation(s)
- Ji Zhang
- Molecular Biology Research Center, School of Life Sciences, Central South University, Changsha 410078, PR China
- Department of Clinical Laboratory, The First Affiliated Hospital, University of South China, Hengyang 421001, PR China
| | - Yawen Jiang
- Molecular Biology Research Center, School of Life Sciences, Central South University, Changsha 410078, PR China
| | - Xu Han
- Molecular Biology Research Center, School of Life Sciences, Central South University, Changsha 410078, PR China
| | - Mridul Roy
- Molecular Biology Research Center, School of Life Sciences, Central South University, Changsha 410078, PR China
| | - Wenen Liu
- Department of Clinical Laboratory, Xiangya Hospital of Central South University, Changsha 410008, PR China
| | - Xielan Zhao
- Department of Hematology, Xiangya Hospital of Central South University, Changsha 410008, PR China
| | - Jing Liu
- Molecular Biology Research Center, School of Life Sciences, Central South University, Changsha 410078, PR China
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Zhang C, Chen B, Jiao A, Li F, Sun N, Zhang G, Zhang J. miR-663a inhibits tumor growth and invasion by regulating TGF-β1 in hepatocellular carcinoma. BMC Cancer 2018; 18:1179. [PMID: 30486878 PMCID: PMC6264054 DOI: 10.1186/s12885-018-5016-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 10/30/2018] [Indexed: 12/23/2022] Open
Abstract
Background The dysregulation of miR-663a is frequently observed in many human cancers. However, the functional role and precise mechanism of miR-663a have been controversial in hepatocellular carcinoma (HCC) and need to be studied in depth. Methods The expression of miR-663a was detected in human cell lines and HCC tissues by quantitative RT-PCR (qRT-PCR), and data from the Cancer Genome Atlas (TCGA). Cell proliferation was investigated using MTS, EdU, colony formation assays, and xenograft animal experiments, and the cell invasion capacity was evaluated using the transwell assay. The target gene of miR-663a was identified by qRT-PCR, Western blot, and dual-luciferase reporter assays. The clinicopathological features of miR-663a and the correlation between miR-663a and TGF-β1 expression were also investigated in the clinical samples of HCC. Results miR-663a was significantly downregulated in HCC cells relative to immortal normal liver cells, as indicated using qRT-PCR, and the lower expression of miR-663a was also confirmed in HCC tissue samples and the data from TCGA. The expression of miR-663a in HCC tissue samples was statistically significantly associated with size and the number of tumors. In addition, the upregulation of miR-663a inhibited the proliferation and invasion of HCC cells in vitro. Further study showed that miR-663a directly targeted transforming growth factor beta 1 (TGF-β1) to suppress HCC invasion, and that the inhibitory effect of miR-663a on cell invasion could be regulated by TGF-β1. In vivo studies showed that miR-663a significantly inhibited tumor growth. A negative correlation between miR-663a and TGF-β1 expression was also confirmed from the clinical samples of HCC. Conclusions miR-663a acts as a tumor suppressor and exerts a substantial role in inhibiting the proliferation, invasion, and tumorigenesis of HCC by regulating TGF-β1 in vitro and in vivo. These observations indicate that miR-663a may be a suitable diagnostic, therapeutic, and prognostic target for the treatment of HCC. Electronic supplementary material The online version of this article (10.1186/s12885-018-5016-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chengshuo Zhang
- Hepatobiliary Surgery Department and Unit of Organ Transplantation, The First Hospital of China Medical University, 155#, Nanjingbei street, Heping district, Shenyang, Liaoning, People's Republic of China
| | - Baomin Chen
- Hepatobiliary Surgery Department, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510000, People's Republic of China
| | - Ao Jiao
- Hepatobiliary Surgery Department and Unit of Organ Transplantation, The First Hospital of China Medical University, 155#, Nanjingbei street, Heping district, Shenyang, Liaoning, People's Republic of China
| | - Feng Li
- Hepatobiliary Surgery Department and Unit of Organ Transplantation, The First Hospital of China Medical University, 155#, Nanjingbei street, Heping district, Shenyang, Liaoning, People's Republic of China
| | - Ning Sun
- Hepatobiliary Surgery Department and Unit of Organ Transplantation, The First Hospital of China Medical University, 155#, Nanjingbei street, Heping district, Shenyang, Liaoning, People's Republic of China
| | - Guoqing Zhang
- Hepatobiliary Surgery Department, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People's Republic of China
| | - Jialin Zhang
- Hepatobiliary Surgery Department and Unit of Organ Transplantation, The First Hospital of China Medical University, 155#, Nanjingbei street, Heping district, Shenyang, Liaoning, People's Republic of China.
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26
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Pei L, Kong Y, Shao C, Yue X, Wang Z, Zhang N. Heme oxygenase-1 induction mediates chemoresistance of breast cancer cells to pharmorubicin by promoting autophagy via PI3K/Akt pathway. J Cell Mol Med 2018; 22:5311-5321. [PMID: 30216645 PMCID: PMC6201364 DOI: 10.1111/jcmm.13800] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 05/30/2018] [Accepted: 06/23/2018] [Indexed: 12/25/2022] Open
Abstract
Background Concerns about breast cancer had become the most dangerous cancer to women over the world, more and more anti‐cancer agents are developed to treat this malignancy. Pharmorubicin is a cytotoxic drug, widely used in the treatment of breast cancer, but its role is limited because of chemoresistance produced by cells. This study focused on exploring the influence of autophagy on the resistance of pharmorubicin in breast cancer cells. Methods The cell survival of breast cancer cells was detected by MTT. The mRNA expression of heme oxygenase‐1 (HO‐1) was tested by qRT‐PCR. The protein expression of HO‐1, autophagic proteins (LC3‐I,LC3‐II and Beclin‐1), PI3K and Akt was detected by Western blot. Cell autophagy was examined by Cyto‐ID Autophagy Detection Kit. Results After being treated with pharmorubicin, the expression of HO‐1 and autophagy related proteins was significantly enhanced, but the cell survival ratio in the two cell lines decreased. After autophagy was inhibited, HO‐1 expression in two cells was down‐regulated. When pharmorubicin‐resistant cells were transfected with si‐HO‐1, the cell survival decreased and the protein expression of HO‐1, autophagic proteins (LC3‐II/LC3‐I and Beclin‐1) as well as autophagy were all down‐regulated, while in pharmorubicin‐resistant cells transfected with pcDNA3.1‐HO‐1, the results were reverse. When the PI3K or Akt was inhibited, PI3K, p‐Akt, HO‐1, autophagic proteins and autophagy were decreased remarkably. Conclusion It was proved that HO‐1 induction mediated chemoresistance of pharmorubicin in breast cancer cells by promoting autophagy via PI3K/Akt pathway.
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Affiliation(s)
- Lei Pei
- Department of General Surgery, The People's Hospital of Pingyi County, Pingyi, Shangdong, China
| | - Yirong Kong
- Department of the Clinical Laboratory, Qingdao Municipal Hospital, Qingdao, Shandong, China
| | - Changfeng Shao
- Department of Transfusion, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Xiao Yue
- Department of General Surgery, The People's Hospital of Pingyi County, Pingyi, Shangdong, China
| | - Zongling Wang
- Department of Dermatology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Na Zhang
- Department of General Surgery, The People's Hospital of Pingyi County, Pingyi, Shangdong, China
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27
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Zeng H, Wang L, Wang J, Chen T, Li H, Zhang K, Chen J, Zhen S, Tuluhong D, Li J, Wang S. microRNA-129-5p suppresses Adriamycin resistance in breast cancer by targeting SOX2. Arch Biochem Biophys 2018; 651:52-60. [PMID: 29802821 DOI: 10.1016/j.abb.2018.05.018] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 05/18/2018] [Accepted: 05/22/2018] [Indexed: 12/11/2022]
Abstract
Adriamycin resistance is closely related to therapeutic efficacy in breast cancer patients and their prognosis. Increasing evidence has suggested that miRNA functions in Adriamycin resistance in various types of cancer. microRNA-129-5p (miR-129-5p) has been considered a tumor-suppressive miRNA in several cancers, but its potential role in Adriamycin resistance in breast cancer has not been fully elucidate. By qRT-PCR assay, we revealed that the expression of miR-129-5p was significantly decreased in breast cancer tissues and Adriamycin-resistant breast cancer cells (MDA-MB-231/ADR, MCF-7/ADR). CCK-8, colony formation, wound healing, Transwell invasion, and flow cytometric profiles were examined to determine the influence of miR-129-5p on Adriamycin-resistant breast cancer in vitro. The upregulation of miR-129-5p decreased the IC50 concentration of Adriamycin and invasion and promoted the apoptosis of MDA-MB-231/ADR cells in the presence of Adriamycin, whereas the upregulation of Sex-Determining Region Y-Box 2 (SOX2) reversed these effects. A luciferase reporter assay confirmed the binding of miR-129-5p to the 3'UTR of SOX2. Collectively, it was suggested that miR-129-5p suppresses Adriamycin resistance in breast cancer by directly targeting SOX2.
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Affiliation(s)
- Huijuan Zeng
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, PR China
| | - Lulu Wang
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, PR China
| | - Jingjie Wang
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, PR China
| | - Tao Chen
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, PR China
| | - Hanjun Li
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, PR China
| | - Kai Zhang
- Department of Medical Oncology, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, PR China
| | - Jing Chen
- Department of Medical Oncology, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, PR China
| | - Shuang Zhen
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, PR China
| | - Dilihumaer Tuluhong
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, PR China
| | - Jieshou Li
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, PR China.
| | - Shaohua Wang
- Department of General Surgery, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, PR China.
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28
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Tan Z, Jia J, Jiang Y. MiR-150-3p targets SP1 and suppresses the growth of glioma cells. Biosci Rep 2018; 38:BSR20180019. [PMID: 29654167 PMCID: PMC6048207 DOI: 10.1042/bsr20180019] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 03/22/2018] [Accepted: 04/03/2018] [Indexed: 12/15/2022] Open
Abstract
Glioma has been considered as one of the most prevalent and common malignancy of the nervous system; however, the underlying mechanisms that are responsible for the occurrence and development of glioma still remain largely unknown. Amounting evidence highlights the critical regulatory function of miRNAs in carcinogenesis. Here, we showed that the expression of miR-150-3p was significantly decreased in glioma tissues and cell lines. Suppressed expression of miR-150-3p was associated with the lymph node metastasis of the glioma patients. Overexpression of miR-150-3p significantly inhibited the proliferation of glioma cells. Molecular study uncovered that the transcription factor specificity protein 1 (SP1) was identified as one of the targets of miR-150-3p Highly expressed miR-150-3p in glioma cells significantly decreased both the mRNA and protein levels of SP1. Consistently, the abundance of phosphatase and tension homolog deleted on chromosome ten (PTEN), a negative downstream target of SP1, was increased with the ectopic miR-150-3p Collectively, these results suggested that miR-150-3p suppressed the growth of glioma cells partially via regulating SP1 and possibly PTEN.
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Affiliation(s)
- Zhigang Tan
- Department of Neurosurgery, The Second Xiangya Hospital of Central South University (CSU), Changsha, Hunan 410011, China
| | - Jiaoying Jia
- Department of Neurosurgery, The Second Xiangya Hospital of Central South University (CSU), Changsha, Hunan 410011, China
| | - Yugang Jiang
- Department of Neurosurgery, The Second Xiangya Hospital of Central South University (CSU), Changsha, Hunan 410011, China
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Vidal DO, Ramão A, Pinheiro DG, Muys BR, Lorenzi JCC, de Pádua Alves C, Zanette DL, de Molfetta GA, Duarte G, Silva WA. Highly expressed placental miRNAs control key biological processes in human cancer cell lines. Oncotarget 2018; 9:23554-23563. [PMID: 29805755 PMCID: PMC5955126 DOI: 10.18632/oncotarget.25264] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 03/24/2018] [Indexed: 12/31/2022] Open
Abstract
Despite being a healthy tissue, the constituent cells of the placenta, share similar characteristics with tumor cells, such as increased cell growth, migration, and invasion. However, while these processes are stochastic and uncontrolled in cancer cells, in placenta they are precisely controlled. Since miRNAs have been reported to regulate genes that control the molecular mechanisms necessary for the development of both human placenta and cancer, we addressed for miRNAs highly expressed in the placenta that could be involved in tumorigenesis. Here, we assessed the miRNA profile in placenta samples using microarray analysis. The results showed that miR-451 and miR-720, highly expressed placental miRNAs, presented very low or undetectable expression in cancer cell lines compared to the normal placenta and healthy tissues. Additionally, transfection of miR-451 or miR-720 mimics in choriocarcinoma cell line (JEG3) and colorectal adenocarcinoma cell line (HT-29) resulted in impaired cell proliferation, decreased cell migration and invasion and reduced ability of colony formation. These findings provide evidence that placenta may work as an alternative model to identify novel miRNAs involved in pathways controlling tumorigenesis.
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Affiliation(s)
- Daniel Onofre Vidal
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos, SP, Brazil
| | - Anelisa Ramão
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell-Based Therapy (CEPID/FAPESP), National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Riberão Preto, SP, Brazil
| | - Daniel Guariz Pinheiro
- Center for Cell-Based Therapy (CEPID/FAPESP), National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Riberão Preto, SP, Brazil
| | - Bruna Rodrigues Muys
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell-Based Therapy (CEPID/FAPESP), National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Riberão Preto, SP, Brazil
| | - Julio Cesar Cetrulo Lorenzi
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell-Based Therapy (CEPID/FAPESP), National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Riberão Preto, SP, Brazil
| | - Cleidson de Pádua Alves
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell-Based Therapy (CEPID/FAPESP), National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Riberão Preto, SP, Brazil
| | - Dalila Luciola Zanette
- Center for Cell-Based Therapy (CEPID/FAPESP), National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Riberão Preto, SP, Brazil
| | - Greice Andreotti de Molfetta
- Center for Cell-Based Therapy (CEPID/FAPESP), National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Riberão Preto, SP, Brazil
| | - Geraldo Duarte
- Department of Gynecology and Obstetrics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Wilson Araújo Silva
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Cell-Based Therapy (CEPID/FAPESP), National Institute of Science and Technology in Stem Cell and Cell Therapy (INCTC/CNPq), Riberão Preto, SP, Brazil.,Center for Medical Genomics (HCFMRP/USP), Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.,Center for Integrative Systems Biology (CISBi-NAP/USP), Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
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30
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Petrovic N, Ergun S. miRNAs as Potential Treatment Targets and Treatment Options in Cancer. Mol Diagn Ther 2018; 22:157-168. [DOI: 10.1007/s40291-017-0314-8] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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31
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Hu G, Zhao X, Wang J, Lv L, Wang C, Feng L, Shen L, Ren W. miR-125b regulates the drug-resistance of breast cancer cells to doxorubicin by targeting HAX-1. Oncol Lett 2017; 15:1621-1629. [PMID: 29434858 PMCID: PMC5774474 DOI: 10.3892/ol.2017.7476] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 09/22/2017] [Indexed: 01/17/2023] Open
Abstract
MircroRNAs (miRNAs) are considered as essential regulators in the tumorigenesis and chemoresistance of multiple cancer types. In the present study, it was demonstrated that the expression levels of miR-125b were significantly downregulated in the tissues of patients with breast cancer (BC), as well as the BC cell lines in vitro. To study the association between chemoresistance and miR-125b in BC, doxorubicin (DOX)-resistant MCF-7 (MCF-7/R) cells were established, and gain- and loss-of-function experiments were performed. It was demonstrated that the overexpression of miR-125b increased the sensitivity of MCF-7/R cells to DOX. Furthermore, it was revealed that the sensitization of miR-125b mimics to DOX-induced cell death was regulated by the hematopoietic cell-specific protein 1-associated protein X-1 (HAX-1) vector and HAX-1 small interfering RNA. These results emphasized the notable function of miR-125b and its target of HAX-1 in regulating DOX-resistance. In addition, it was demonstrated that the miR-125b mimics promoted the loss of the mitochondrial membrane potential and the generation of reactive oxygen species induced by DOX treatment in MCF-7/R cells. These data suggest that the miR-125b-HAX-1-mitochondria pathway has a notable function in the treatment of DOX-resistant BC cells, which may provide a novel target for the chemotherapy of BC.
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Affiliation(s)
- Guinv Hu
- Department of Breast Surgery, Dongyang People's Hospital, Jinhua, Zhejiang 322100, P.R. China
| | - Xiaokang Zhao
- Department of Breast Surgery, Dongyang People's Hospital, Jinhua, Zhejiang 322100, P.R. China
| | - Jiang Wang
- Department of Breast Surgery, Dongyang People's Hospital, Jinhua, Zhejiang 322100, P.R. China
| | - Liting Lv
- Department of Breast Surgery, Dongyang People's Hospital, Jinhua, Zhejiang 322100, P.R. China
| | - Chaoqun Wang
- Department of Breast Surgery, Dongyang People's Hospital, Jinhua, Zhejiang 322100, P.R. China
| | - Liang Feng
- Department of Breast Surgery, Shaoxing Shangyu People's Hospital, Shaoxing, Zhejiang 312300, P.R. China
| | - Liangqiong Shen
- Department of Breast Surgery, Shaoxing Shangyu People's Hospital, Shaoxing, Zhejiang 312300, P.R. China
| | - Weili Ren
- Department of Breast Surgery, Shaoxing Shangyu People's Hospital, Shaoxing, Zhejiang 312300, P.R. China
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Identification of Circulating Long Noncoding RNA Linc00152 as a Novel Biomarker for Diagnosis and Monitoring of Non-Small-Cell Lung Cancer. DISEASE MARKERS 2017; 2017:7439698. [PMID: 29375177 PMCID: PMC5742528 DOI: 10.1155/2017/7439698] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 07/12/2017] [Accepted: 07/27/2017] [Indexed: 12/17/2022]
Abstract
Objective Long noncoding RNAs (lncRNAs) have been reported to play vital roles in non-small-cell lung cancer (NSCLC). Recently, long noncoding RNA Linc00152 has been reported to play important roles in various cancers. In this study, our aim was to investigate its expression pattern and clinical significance and further evaluate its diagnostic value for NSCLC. Methods The levels of Linc00152 were detected in NSCLC tissues and plasma samples by quantitative real-time PCR (qRT-PCR). Receiver operating characteristic (ROC) curves were depicted to evaluate the diagnostic value. Results We found that Linc00152 levels were upregulated in both NSCLC tissues and plasma samples. Plasma Linc00152 levels were significantly lower in postoperative samples than in preoperative samples. Besides, high Linc00152 expression was significantly correlated with tumor size (r = 0.293, P = 0.005) and tumor stage (r = 0.324, P = 0.011). The ROC curves indicated that plasma Linc00152 has high diagnostic accuracy for NSCLC, and the area under curve (AUC) for NSCLC versus healthy was 0.816 (95% CI: 0.757–0.875). Moreover, we found that the combination of Linc00152 and CEA could provide a more powerful diagnosis efficiency than Linc00152 or CEA alone (AUC = 0.881, 95% CI: 0.836–0.926). Conclusions Plasma Linc00152 could serve as a promising biomarker for diagnosing and monitoring NSCLC.
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Muluhngwi P, Klinge CM. Identification of miRNAs as biomarkers for acquired endocrine resistance in breast cancer. Mol Cell Endocrinol 2017; 456:76-86. [PMID: 28163101 DOI: 10.1016/j.mce.2017.02.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 02/01/2017] [Accepted: 02/01/2017] [Indexed: 02/07/2023]
Abstract
Therapies targeting estrogen receptor α (ERα) including tamoxifen, a selective estrogen receptor modulator (SERM) and aromatase inhibitors (AI), e.g., letrozole, have proven successful in reducing the death rate for breast cancer patients whose initial tumors express ERα. However, about 40% of patients develop acquired resistance to these endocrine treatments. There is a critical need to develop sensitive circulating biomarkers that accurately identify signaling pathways altered in breast cancer patients resistant to endocrine therapies. Serum miRNAs have the potential to serve as biomarkers of the progression of endocrine-resistant breast cancer due to their cancer-specific expression and stability. Exosomal transfer of miRNAs has been implicated in metastasis and endocrine-resistance. This review focuses on miRNAs in breast tumors and in serum, including exosomes, from breast cancer patients that are associated with resistance to tamoxifen since it is best-studied.
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Affiliation(s)
- Penn Muluhngwi
- Department of Biochemistry & Molecular Genetics, Center for Genetics and Molecular Medicine, University of Louisville School of Medicine, Louisville, KY 40292, USA
| | - Carolyn M Klinge
- Department of Biochemistry & Molecular Genetics, Center for Genetics and Molecular Medicine, University of Louisville School of Medicine, Louisville, KY 40292, USA.
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Liu F, Bu Z, Zhao F, Xiao D. Increased T-helper 17 cell differentiation mediated by exosome-mediated microRNA-451 redistribution in gastric cancer infiltrated T cells. Cancer Sci 2017; 109:65-73. [PMID: 29059496 PMCID: PMC5765284 DOI: 10.1111/cas.13429] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 10/14/2017] [Accepted: 10/18/2017] [Indexed: 12/11/2022] Open
Abstract
MicroRNA (miR)‐451 is a cell metabolism‐related miRNA that can mediate cell energy‐consuming models by several targets. As miR‐451 can promote mechanistic target of rapamycin (mTOR) activity, and increased mTOR activity is related to increased differentiation of T‐helper 17 (Th17) cells, we sought to investigate whether miR‐451 can redistribute from cancer cells to infiltrated T cells and enhance the distribution of Th17 cells through mTOR. Real‐time PCR was used for detecting expression of miR‐451 in gastric cancer, tumor infiltrated T cells and exosomes, and distribution of Th17 was evaluated by both flow cytometry and immunohistochemistry (IHC). Immunofluorescence staining was used in monitoring the exosome‐enveloped miR‐451 from cancer cells to T cells with different treatments, and signaling pathway change was analyzed by western blot. miR‐451 decreased significantly in gastric cancer (GC) tissues but increased in infiltrated T cells and exosomes; tumor miR‐451 was negatively related to infiltrated T cells and exosome miR‐451. Exosome miR‐451 can not only serve as an indicator for poor prognosis of post‐operation GC patients but is also related to increased Th17 distribution in gastric cancer. miR‐451 can redistribute from cancer cells to T cells with low glucose treatment. Decreased 5′ AMP‐activated protein kinase (AMPK) and increased mTOR activity was investigated in miR‐451 redistributed T cells and the Th17 polarized differentiation of these T cells were also increased. Exosome miR‐451 derived from tumor tissues can serve as an indicator for poor prognosis and redistribution of miR‐451 from cancer cells to infiltrated T cells in low glucose treatment can enhance Th17 differentiation by enhancing mTOR activity.
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Affiliation(s)
- Feng Liu
- Department of ICU, the 359th Hospital of PLA, Zhenjiang, China
| | - Zhouyan Bu
- Changzhou Zhengheng Middle School, Changzhou, China
| | - Feng Zhao
- Department of Ultrasonography, Hospital Affiliated to Jiangsu University, Zhenjiang, China
| | - Daping Xiao
- Department of Clinical Laboratory, the 359th Hospital of PLA, Zhenjiang, China
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35
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Sun X, Lou L, Zhong K, Wan L. MicroRNA-451 regulates chemoresistance in renal cell carcinoma by targeting ATF-2 gene. Exp Biol Med (Maywood) 2017; 242:1299-1305. [PMID: 28429654 DOI: 10.1177/1535370217701625] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Renal cell carcinoma (RCC) is a malignant tumor, which severely threatens human's life, moreover, the multi-drug resistance (MDR) under RCC undoubtedly strengthen the difficulties in the treatment. MiR-451 has been considered to play an important role in regulation of MDR in several cancers, but the role of it in MDR of RCC has not been explored. This study aims to explore the mechanism of miR-451 as a target to regulate chemotherapy resistance, which is crucial for further exploring novel therapy for RCC. Two human cell lines (ACHN and GRC-1) were performed in this study and adriamycin (ADM) was used to construct MDR cell lines. qRT-PCR was used to determine the mRNA expression of miR-451 and ATF-2. Weston blot was used to determine protein expression. MTT assay and flow cytometry were used for assessing cell viability and apoptosis, individually. Luciferase reporter assay was used to detect the targeting of miR-451 and ATF-2. Results presented that the expression of miR-451 was higher in low MDR cell line (ACHN) comparing with the high MDR cell line (GRC-1), while the expression of ATF-2 revealed an opposite results. MiR-451 targeted ATF-2 and regulated its expression. Overexpression of miR-451 strengthened drug resistance, decreased cell viability, and increased cell apoptosis of GRC-1 pretreated by ADM, while overexpressed ATF-2 reversed the effect induced by miR-451 overexpression. Then miR-451 knockdown improved drug susceptibility, decreased cell apoptosis, and increased cell viability of ACHN induced by ADM, however, ATF-2 suppression reversed the low rate of cell apoptosis and high rate of cell viability induced by miR-451 knockdown. Our results revealed that miR-451 regulates the drug resistance of RCC by targeting ATF-2 gene, which might be critical for overcoming MDR in RCC patients. Impact statement This is the first study to emphasize the expression of miR-451 on regulating multi-drug resistance (MDR) in renal cell carcinoma (RCC). Our study found that miR-451 regulates the drug resistance of RCC by targeting ATF-2, which might be critical for overcoming MDR in RCC patients. This study not only provides solid theory foundation for the clinical therapy, but also offers unique insights for the further RCC research. Furthermore, the study helps us to understand the mechanism of MDR, which was crucial for identifying the chemoresistance on several related tumors.
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Affiliation(s)
- Xiang Sun
- 1 Department of Urology, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, People's Republic of China
| | - Longhua Lou
- 1 Department of Urology, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, People's Republic of China
| | - Kezhao Zhong
- 1 Department of Urology, the First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, People's Republic of China
| | - Lijuan Wan
- 2 Second Department of Internal Medicine, Cancer Hospital of Jiangxi Province, Nanchang, Jiangxi 330029, People's Republic of China
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Liu B, Su F, Chen M, Li Y, Qi X, Xiao J, Li X, Liu X, Liang W, Zhang Y, Zhang J. Serum miR-21 and miR-125b as markers predicting neoadjuvant chemotherapy response and prognosis in stage II/III breast cancer. Hum Pathol 2017; 64:44-52. [PMID: 28412211 DOI: 10.1016/j.humpath.2017.03.016] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 03/12/2017] [Accepted: 03/23/2017] [Indexed: 12/19/2022]
Abstract
The predictive value of serum miRNAs (ser-miRNA) for the response to neoadjuvant chemotherapy (NCT) and the prognosis of breast cancer patients were investigated in the current study. The study included 118 stage II/III breast cancer patients and 30 healthy adult women. Peripheral blood was drawn from participants before the start (baseline [BL]), at the end of the second cycle (first evaluation during NCT [FEN]), and at the end of NCT (second evaluation during NCT [SEN]). The expression of ser-miRNAs was examined by quantitative reverse-transcription polymerase chain reaction (qRT-PCR), and their association with chemotherapy response and prognosis was analyzed. MiR-19a, miR-21, miR-125b, miR-155, miR-205, and miR-373 were significantly up-regulated in the serum of breast cancer patients at BL, miR-451 was significantly down-regulated, and miR-122 was unchanged compared with the levels in healthy women. The expression of ser-miR-125b and the changes of ser-miR-21 expression during NCT were associated with chemotherapy response and disease-free survival (DFS). In chemotherapy responders, ser-miR-125b expression was lower than that of non-responders at BL, FEN, and SEN, and ser-miR-21 levels decreased from BL to FEN and from BL to SEN. Survival analysis showed that patients with lower ser-miR-125b expression at BL, FEN, and SEN had favorable DFS, and those with decreased ser-miR-21 expression from BL to FEN and from BL to SEN had better DFS. In conclusion, ser-miR-21 and ser-miR-125b were identified as novel, noninvasive predictive markers for NCT response and prognosis in breast cancer.
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Affiliation(s)
- Baoquan Liu
- Department of Anatomy, Harbin Medical University, Harbin, 150081, PR China
| | - Fei Su
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, PR China
| | - Mingwei Chen
- Department of Anatomy, Harbin Medical University, Harbin, 150081, PR China
| | - Yue Li
- Department of General Surgery, The Second Clinical Hospital, Harbin Medical University, Harbin, 150081, PR China
| | - Xiuying Qi
- Department of Anatomy, Harbin Medical University, Harbin, 150081, PR China
| | - Jianbing Xiao
- Department of Anatomy, Harbin Medical University, Harbin, 150081, PR China
| | - Xuemei Li
- Department of Anatomy, Harbin Medical University, Harbin, 150081, PR China
| | - Xiangchen Liu
- Department of General Surgery, The Second Clinical Hospital, Harbin Medical University, Harbin, 150081, PR China
| | - Wenlong Liang
- Department of General Surgery, The Second Clinical Hospital, Harbin Medical University, Harbin, 150081, PR China
| | - Yafang Zhang
- Department of Anatomy, Harbin Medical University, Harbin, 150081, PR China.
| | - Jianguo Zhang
- Department of General Surgery, The Second Clinical Hospital, Harbin Medical University, Harbin, 150081, PR China.
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Changes of serum miR34a expression during neoadjuvant chemotherapy predict the treatment response and prognosis in stage II/III breast cancer. Biomed Pharmacother 2017; 88:911-917. [PMID: 28178621 DOI: 10.1016/j.biopha.2017.01.133] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 01/15/2017] [Accepted: 01/23/2017] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE To investigate the predictive value of serum miR34a (ser-miR34a) expression for the neoadjuvant chemotherapy (NACT) response and prognosis in breast cancer patients. METHODS This study included 86 diagnosed stage II/III breast cancer patients and 20 healthy volunteers. Peripheral blood from every participant was collected before the start, at the end of the second cycle, and at the end of NACT. The expression of ser-miR34a was examined by qRT-PCR and its association with the chemotherapy response and prognosis was analyzed. RESULTS The expression of ser-miR34a in breast cancer patients before NACT was significant higher than that of healthy volunteers. During the NACT, the changes in ser-miR34a expression were significantly associated with treatment response and disease-free survival (DFS). In responding patients, ser-miR34a levels at the end of the second cycle and at the end of NACT were significantly lower than before NACT (P=0.016 and P=0.002, respectively), and in non-responding patients, the changes were insignificant. Survival analyses showed that the patients with decreased ser-miR34a expression from the end of the second cycle and the end of NACT to before NACT had improved DFS compared with that of the patients with increasing ser-miR34a expression (P<0.001 for both). Cox regression analyses showed that the changes of ser-miR34a expression were independent prognostic indicators. CONCLUSIONS Ser-miR34a is a novel, noninvasive predictive marker for NACT response and prognosis in breast cancer patients.
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