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Nilsson L, Khazaei S, Tryggvadottir H, Björner S, Bressan A, Jirström K, Adrian G, Falck AK, Borgquist S, Isaksson K, Jernström H. Pre- and Postoperative Antioxidant Use, Aryl Hydrocarbon Receptor (AhR) Activation and Clinical Outcome in Different Treatment Groups of Breast Cancer Patients. Clin Breast Cancer 2024; 24:e152-e166.e9. [PMID: 38307727 DOI: 10.1016/j.clbc.2023.12.002] [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: 09/18/2023] [Revised: 12/08/2023] [Accepted: 12/10/2023] [Indexed: 02/04/2024]
Abstract
BACKGROUND Cancer patients often use antioxidants that may interact with adjuvant treatments. The purpose was to investigate pre- and postoperative antioxidant use in relation to clinicopathological characteristics and prognosis in different breast cancer treatment groups. METHODS AND PATIENTS Pre- and postoperative antioxidant (vitamin A, C, E, carotenoids, or Q10) or multivitamin use was self-reported by patients from Lund (n = 1855) and Helsingborg (n=478), Sweden. Patients were followed for up to 15 years. Clinical data were obtained from patient charts. The aryl hydrocarbon receptor (AhR) was evaluated in tumor tissue arrays from 915 patients from Lund and with Western blot in MCF-7 and MDA-MB-231 cells. RESULTS About 10% of patients used antioxidants. Nuclear AhR (AhRnuc) positivity was twice as common in preoperative antioxidant users compared to non-users. In mechanistic studies vitamin C increased AhR levels and its downstream target CYP1B1, indicating AhR activation. There were significant interactions between tumor AhRnuc status and preoperative antioxidant use in relation to clinical outcome. In all patients, antioxidant use (other than multivitamins) at both visits was associated with poorer prognosis, while use only at the follow-up visit was associated with better prognosis, compared with no use at either visit. CONCLUSION The clinical impact of antioxidants depended on antioxidant type, timing of use, and tumor AhR activation. Antioxidants may influence clinical outcome by activation of the master regulator AhR in addition to interference with free radicals. Further studies are needed to identify breast patients that might improve or worsen their prognosis when using antioxidants postoperatively.
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Affiliation(s)
- Linn Nilsson
- Department of Clinical Sciences Lund, Division of Oncology, Lund University, Lund, Sweden; Department of Medical Physics and Engineering, Växjö Central Hospital and Department of Research and Development, Region Kronoberg, Växjö, Sweden
| | - Somayeh Khazaei
- Department of Clinical Sciences Lund, Division of Oncology, Lund University, Lund, Sweden
| | - Helga Tryggvadottir
- Department of Clinical Sciences Lund, Division of Oncology, Lund University, Lund, Sweden; Department of Hematology, Oncology, and Radiation Physics, Skåne University Hospital, Lund, Sweden
| | - Sofie Björner
- Department of Clinical Sciences Lund, Division of Oncology, Lund University, Lund, Sweden
| | - Alessandra Bressan
- Department of Clinical Sciences Lund, Division of Oncology, Lund University, Lund, Sweden
| | - Karin Jirström
- Department of Clinical Sciences, Division of Oncology and Therapeutic Pathology, Lund University, Lund, Sweden
| | - Gabriel Adrian
- Department of Clinical Sciences Lund, Division of Oncology, Lund University, Lund, Sweden; Department of Hematology, Oncology, and Radiation Physics, Skåne University Hospital, Lund, Sweden
| | - Anna-Karin Falck
- Department of Surgery, Helsingborg Hospital, Helsingborg, Sweden
| | - Signe Borgquist
- Department of Clinical Sciences Lund, Division of Oncology, Lund University, Lund, Sweden; Department of Oncology, Aarhus University and Aarhus University Hospital, Aarhus, Denmark
| | - Karolin Isaksson
- Department of Clinical Sciences, Division of Surgery, Lund University, Lund, Sweden; Department of Surgery, Kristianstad Hospital, Kristianstad, Sweden
| | - Helena Jernström
- Department of Clinical Sciences Lund, Division of Oncology, Lund University, Lund, Sweden.
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Wu M, Lu L, Dai T, Li A, Yu Y, Li Y, Xu Z, Chen Y. Construction of a lncRNA-mediated ceRNA network and a genomic-clinicopathologic nomogram to predict survival for breast cancer patients. Cancer Biomark 2023; 36:83-96. [PMID: 36591654 DOI: 10.3233/cbm-210545] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Breast cancer (BC) is the most common cancer among women and a leading cause of cancer-related deaths worldwide. The diagnosis of early patients and the prognosis of advanced patients have not improved over the past several decades. The purpose of the present study was to identify the lncRNA-related genes based on ceRNA network and construct a credible model for prognosis in BC. Based on The Cancer Genome Atlas (TCGA) database, prognosis-related differently expressed genes (DEGs) and a lncRNA-associated ceRNA regulatory network were obtained in BC. The patients were randomly divided into a training group and a testing group. A ceRNA-related prognostic model as well as a nomogram was constructed for further study. A total of 844 DElncRNAs, 206 DEmiRNAs and 3295 DEmRNAs were extracted in BC, and 12 RNAs (HOTAIR, AC055854.1, ST8SIA6-AS1, AC105999.2, hsa-miR-1258, hsa-miR-7705, hsa-miR-3662, hsa-miR-4501, CCNB1, UHRF1, SPC24 and SHCBP1) among them were recognized for the construction of a prognostic risk model. Patients were then assigned to high-risk and low-risk groups according to the risk score. The Kaplan-Meier (K-M) analysis demonstrated that the high-risk group was closely associated with poor prognosis. The predictive nomogram combined with clinical features showed performance in clinical practice. In a nutshell, our ceRNA-related gene model and the nomogram graph are accurate and reliable tools for predicting prognostic outcomes of BC patients, and may make great contributions to modern precise medicine.
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Sun J, Li X, Yin J, Chen X, Zhu Z, Wu R, Yu E, Mao Z. Long non coding RNA COX10-DT promotes the progression of breast cancer via the COX10-DT/miR-206/BDNF axis. Biochem Biophys Res Commun 2023; 639:46-53. [PMID: 36463760 DOI: 10.1016/j.bbrc.2022.11.057] [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: 11/08/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022]
Abstract
Long noncoding RNAs (lncRNAs) are emerging as critical regulators in the biological development of breast cancer. In this study, we aimed to determine the roles and mechanisms of the lncRNA COX10 divergent transcript (COX10-DT) in breast cancer progression. The relative expression level of COX10-DT was calculated in matched breast cancer tissues and adjacent normal tissues using quantitative real-time PCR. Gain-of-function and loss-of-function approaches further revealed the functions and mechanisms of COX10-DT in breast cancer cells. Clinically, we found that the lncRNA COX10-DT was commonly overexpressed in breast cancer tissues compared to paired peritumoural tissues. Functionally, the lncRNA COX10-DT might promote the proliferation and migration of breast cancer cells. Mechanistically, the lncRNA COX10-DT did not play a role by regulating the expression of its divergent gene COX10 but acted as a competitive endogenous RNA (ceRNA) by directly sponging miR-206, which further regulated the expression of brain-derived neurotrophic factor (BDNF). Taken together, our results proved that the lncRNA COX10-DT could function via the COX10-DT/miR-206/BDNF axis, thereby promoting the development of breast cancer. These findings indicated that the lncRNA COX10-DT might be a potential biomarker and therapeutic target for breast cancer.
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Affiliation(s)
- Jie Sun
- Department of Breast Surgery of the First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, 215006, China
| | - Xiaohua Li
- Department of Breast Surgery of Wuzhong People's Hospital, Suzhou, 215218, China
| | - Jun Yin
- Department of General Surgery of the First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, 215006, China
| | - Xin Chen
- Department of General Surgery of the First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, 215006, China
| | - Zheng Zhu
- Department of General Surgery of the First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, 215006, China
| | - Runda Wu
- Department of General Surgery of the First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, 215006, China
| | - EnQiao Yu
- Department of Breast Surgery of the First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, 215006, China.
| | - Zhongqi Mao
- Department of General Surgery of the First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, 215006, China.
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Hauer M, Rossi AM, Wertheim BC, Kleppel HB, Bea JW, Funk JL. Dietary Supplement Use in Women Diagnosed with Breast Cancer. J Nutr 2023; 153:301-311. [PMID: 36913466 PMCID: PMC10196584 DOI: 10.1016/j.tjnut.2022.12.007] [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: 10/21/2022] [Revised: 12/06/2022] [Accepted: 12/13/2022] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Vitamins, minerals, and natural product (NP)-derived dietary supplements are commonly used among women with breast cancer, where interactions with treatments and the disease are possible, emphasizing the importance for health care providers to be aware of supplement use. OBJECTIVES The study aimed to investigate current vitamin/mineral (VM) and NP supplement use among those diagnosed with breast cancer, including usage based on tumor type or concurrent breast cancer treatments and primary information sources for specific supplements. METHODS Social media recruiting to complete an online questionnaire self-reporting current VM and NP use and breast cancer diagnosis and treatment information primarily attracted US participants. Analyses, including multivariate logistic regression, were performed on 1271 women who self-reported breast cancer diagnosis and completed the survey. RESULTS Most participants reported current VM (89.5%) and NP (67.7%) use, with 46.5% (VM) and 26.7% (NP) using at least 3 products concurrently. Top-reported (>15% prevalence) products were vitamin D, calcium, multivitamin, and vitamin C for VM and probiotics, turmeric, fish oil/omega-3 fatty acids, melatonin, and cannabis for NP. Overall, VM or NP use was higher among those with hormone receptor-positive tumors. Although overall NP use did not differ according to current breast cancer treatments, VM use was significantly less common among those currently undergoing chemotherapy or radiation, but higher with current endocrine therapy. Among current chemotherapy users, specific VM and NP supplements with possible adverse effects were still used by 23% of respondents. Medical providers were the primary information source for VM, whereas NP information sources were more varied. CONCLUSIONS Because women diagnosed with breast cancer commonly reported concurrent use of multiple VM and NP supplements, including those with known or underexplored risks (or benefits) in breast cancer, it is important for health care providers to inquire about and facilitate discussions regarding supplement use in this population.
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Affiliation(s)
- Meg Hauer
- College of Medicine, University of Arizona, Tucson, AZ, USA
| | | | - Betsy C Wertheim
- University of Arizona Cancer Center, University of Arizona, Tucson, AZ, USA
| | | | - Jennifer W Bea
- University of Arizona Cancer Center, University of Arizona, Tucson, AZ, USA; Department of Health Promotion Sciences, Mel & Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, USA; Department of Medicine, College of Medicine, University of Arizona, Tucson, AZ, USA
| | - Janet L Funk
- University of Arizona Cancer Center, University of Arizona, Tucson, AZ, USA; Department of Medicine, College of Medicine, University of Arizona, Tucson, AZ, USA; School of Nutritional Sciences & Wellness, College of Agriculture and Life Sciences, University of Arizona, Tucson, AZ, USA.
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Crichton M, Marshall S. Complementary and alternative medicine for women with cancer: How can health-care professionals provide realistic hope of improved wellbeing? Maturitas 2022; 159:72-73. [DOI: 10.1016/j.maturitas.2022.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 01/25/2022] [Indexed: 11/26/2022]
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The Utilization of Complementary and Alternative Medicine among Saudi Older Adults: A Population-Based Study. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:4357194. [PMID: 32831865 PMCID: PMC7428939 DOI: 10.1155/2020/4357194] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 06/03/2020] [Accepted: 06/22/2020] [Indexed: 12/31/2022]
Abstract
BACKGROUND Complementary and alternative medicine (CAM) is an integral part of patients' therapeutic experience worldwide. Among Saudi older adults, less is known about CAM utilization. OBJECTIVES To determine the prevalence, patterns, and factors associated with CAM utilization among SOA. METHODS In the Saudi National Survey for Elderly Health (SNSEH), subjects were asked about CAM use during the last twelve months before the interview. CAM use was defined as any use of herbal products, acupuncture, bloodletting, cauterization, medical massage, bones manual manipulation, honey, or religious rituals. Demographic characteristics included gender, age, marital status, region, educational level, and residence area. In addition, multiple comorbidities were included as possible factors that may be associated with CAM use. Multivariable logistic regression was used to explore factors associated with CAM utilization. All statistical analyses were done using STATA v.14. RESULTS Out of 2946 respondents, 50.4% were males, the mean age was 70.3 ± 8.3 years, and 70% were illiterate. CAM use was prevalent (62.5%). The most common CAM types were herbal products (25.4%), acupuncture (21.2%), bloodletting (12%), honey (9.5%), cauterization (7.4%), medical massage and bones manual manipulation (4%), and traditional bone setting (2.1%). In the multivariable regression, age, gender, and marital status did not have an impact on the odds of using CAM. Subjects from rural areas were 2.92 times more likely to use CAM compared with subjects in urban areas (OR = 2.92; 95%CI: 2.28-3.75). Subjects with metabolic disorders (OR = 0.50; 95% CI: 0.42-0.60) or kidney disease were less likely to use CAM (OR = 0.30; 95%CI: 0.14-0.64). About pain, CAM is used more in neck pain (OR = 1.69; 95%CI: 1.30-2.21) and also used in back pain (OR = 1.22; 95%CI: 1.03-1.46). CONCLUSIONS CAM use was very prevalent among SOA. Clinicians and pharmacists must ask about CAM use among older adults as many of CAM may interact with patients medications.
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Wei M, Yu H, Cai C, Gao R, Liu X, Zhu H. MiR-3194-3p Inhibits Breast Cancer Progression by Targeting Aquaporin1. Front Oncol 2020; 10:1513. [PMID: 32903818 PMCID: PMC7438898 DOI: 10.3389/fonc.2020.01513] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 07/14/2020] [Indexed: 12/19/2022] Open
Abstract
Increasing evidence indicates that the Aquaporin1 (AQP1) aberrant expression may be related to a wide variety of human cancers, including breast cancer (BC). In the present study, we explore the effects and possible mechanism of miR-3194-3p on the biological behaviors of BC. At first, miR-3194-3p is found to modulate AQP1 expression targeting the 3′-UTR using miRNA target prediction algorithms. MiR-3194-3p expression is markedly downregulated, and AQP1 expression is upregulated in BC tissues compared with adjacent normal breast tissues. Moreover, the differential expression of miR-3194-3p and AQP1 are observed in four BC cells with different malignancy degree. Meanwhile, a significant negative correlation between AQP1 and miR-3194-3p expressions in tumor tissues from 30 BC patients is revealed. miR-3194-3p mimic remarkably inhibits cell proliferation, migration, and invasion as well as promotes apoptosis in MDA-MB-231 cells while miR-3194-3p inhibitors exert an opposite role in MCF-7 cells. Dual-luciferase reporter system demonstrates that AQP1 is a direct target gene of miR-3194-3p. Overexpression of AQP1 by pBABE-puro-AQP1 vector partially abrogates the effect of miR-3194-3p mimic in MDA-MB-231 cells. In short, our results suggest that miR-3194-3p suppresses BC cell proliferation, migration, and invasion by targeting AQP1, providing a novel insight into BC tumorigenesis and treatment.
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Affiliation(s)
- Min Wei
- Clinical Laboratory, Nanshan Maternity and Child Healthcare Hospital, Shenzhen, China.,Department of Science and Education, Nanshan Maternity and Child Healthcare Hospital, Shenzhen, China
| | - Hailang Yu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Cuixia Cai
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Rui Gao
- Department of Science and Education, Nanshan Maternity and Child Healthcare Hospital, Shenzhen, China
| | - Xuhua Liu
- Department of Science and Education, Nanshan Maternity and Child Healthcare Hospital, Shenzhen, China
| | - Huimin Zhu
- Department of Science and Education, Nanshan Maternity and Child Healthcare Hospital, Shenzhen, China
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Cao L, Wang M, Dong Y, Xu B, Chen J, Ding Y, Qiu S, Li L, Karamfilova Zaharieva E, Zhou X, Xu Y. Circular RNA circRNF20 promotes breast cancer tumorigenesis and Warburg effect through miR-487a/HIF-1α/HK2. Cell Death Dis 2020; 11:145. [PMID: 32094325 PMCID: PMC7039970 DOI: 10.1038/s41419-020-2336-0] [Citation(s) in RCA: 165] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 02/04/2020] [Accepted: 02/05/2020] [Indexed: 01/03/2023]
Abstract
Compelling evidence has demonstrated the potential functions of circular RNAs (circRNAs) in breast cancer (BC) tumorigenesis. Nevertheless, the underlying mechanism by which circRNAs regulate BC progression is still unclear. The purpose of present research was to investigate the novel circRNA circRNF20 (hsa_circ_0087784) and its role in BC. CircRNA microarray sequencing revealed that circRNF20 was one of the upregulated transcripts in BC samples. Increased circRNF20 level predicted the poor clinical outcome in BC specimens. Functionally, circRNF20 promoted the proliferation and Warburg effect (aerobic glycolysis) of BC cells. Mechanistically, circRNF20 harbor miR-487a, acting as miRNA sponge, and then miR-487a targeted the 3'-UTR of hypoxia-inducible factor-1α (HIF-1α). Moreover, HIF-1α could bind with the promoter of hexokinase II (HK2) and promoted its transcription. In conclusion, this finding illustrates the vital roles of circRNF20 via the circRNF20/ miR-487a/HIF-1α/HK2 axis in breast cancer progress and Warburg effect, providing an interesting insight for the BC tumorigenesis.
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Affiliation(s)
- Lili Cao
- Department of Oncology, Zibo Central Hospital, Zibo, 255020, China
| | - Min Wang
- Department of Oncology, Zibo Central Hospital, Zibo, 255020, China
| | - Yujin Dong
- Department of Oncology, Zibo Central Hospital, Zibo, 255020, China
| | - Bo Xu
- Department of Oncology, Zibo Central Hospital, Zibo, 255020, China
| | - Ju Chen
- Department of Ultrasound, Zibo Central Hospital, Zibo, 255020, China
| | - Yu Ding
- Department of Breast and Thyroid Surgery, Zibo Key laboratory of Breast cancer Individualized diagnosis, treatment and transformation, Zibo Central Hospital, Zibo, 255020, China
| | - Shusheng Qiu
- Department of Breast and Thyroid Surgery, Zibo Key laboratory of Breast cancer Individualized diagnosis, treatment and transformation, Zibo Central Hospital, Zibo, 255020, China
| | - Liang Li
- Department of Breast and Thyroid Surgery, Zibo Key laboratory of Breast cancer Individualized diagnosis, treatment and transformation, Zibo Central Hospital, Zibo, 255020, China
| | - Elena Karamfilova Zaharieva
- Department of Experimental Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, 734-8553, Japan
| | - Xinwen Zhou
- School of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou, 215123, China
| | - Yanbin Xu
- Department of Breast and Thyroid Surgery, Zibo Key laboratory of Breast cancer Individualized diagnosis, treatment and transformation, Zibo Central Hospital, Zibo, 255020, China.
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Wu B, Pan Y, Liu G, Yang T, Jin Y, Zhou F, Wei Y. MRPS30-DT Knockdown Inhibits Breast Cancer Progression by Targeting Jab1/Cops5. Front Oncol 2019; 9:1170. [PMID: 31788446 PMCID: PMC6854119 DOI: 10.3389/fonc.2019.01170] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Accepted: 10/18/2019] [Indexed: 01/21/2023] Open
Abstract
Longnoncoding RNAs (lncRNAs) are significantly correlated with cancer pathogenesis, development, and metastasis. Microarray analysis showed that lncRNA MRPS30-DT is overexpressed in breast carcinoma; however, the function of MRPS30-DT in breast cancer tumorigenesis remains unclear. In situ hybridization and immunohistochemical analysis were used to evaluate the expression levels of MRPS30-DT and Jab1 in clinical samples of breast carcinoma and their relation to survival outcome. qRT-PCR was used to measure MRPS30-DT and Jab1 mRNA expressions. Protein levels were detected using Western blot. Cell proliferation and invasion ability were evaluated via 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), colony formation, and transwell assays. MRPS30-DT was knocked down in breast cancer cells to investigate its potential functional roles in cell growth and metastasis in vitro and in vivo. We found that MRPS30-DT was upregulated in breast cancer specimens and was accompanied by high Jab1 expression compared with that of paired para-carcinoma tissues. Knocking down MRPS30-DT significantly inhibited cancer cell proliferation and invasion and induced apoptosis in breast cancer cells. Similarly, knocking down MRPS30-DT in MDA-MB-231 cells significantly suppressed tumor growth. Furthermore, knocking down MRPS30-DT markedly reduced Jab1 expression in breast cancer cells and murine carcinoma. Statistical analyses suggested that high MRPS30-DT or Jab1 levels in breast cancer patients were positively correlated with poor prognoses. These data indicate the possible mechanisms of MRPS30-DT and Jab1 in breast cancer; thus, MRPS30-DT and Jab1 may be novel prognostic biomarkers and potential therapeutic targets for breast cancer treatment.
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Affiliation(s)
- Balu Wu
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Yunbao Pan
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Guohong Liu
- Department of Radiology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Tian Yang
- Department of Clinical Oncology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Yanxia Jin
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Fuling Zhou
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Yongchang Wei
- Department of Clinical Oncology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Tumour Biological Behaviors, Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
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10
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What can a third sector organisation provide for people with breast cancer that public health services cannot? Developing support services in response to service evaluation. Eur J Integr Med 2019. [DOI: 10.1016/j.eujim.2019.100943] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Lu G, Li Y, Ma Y, Lu J, Chen Y, Jiang Q, Qin Q, Zhao L, Huang Q, Luo Z, Huang S, Wei Z. Long noncoding RNA LINC00511 contributes to breast cancer tumourigenesis and stemness by inducing the miR-185-3p/E2F1/Nanog axis. J Exp Clin Cancer Res 2018; 37:289. [PMID: 30482236 PMCID: PMC6260744 DOI: 10.1186/s13046-018-0945-6] [Citation(s) in RCA: 196] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 10/26/2018] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Emerging evidence have illustrated the vital role of long noncoding RNAs (lncRNAs) long intergenic non-protein coding RNA 00511 (LINC00511) on the human cancer progression and tumorigenesis. However, the role of LINC00511 in breast cancer tumourigenesis is still unknown. This research puts emphasis on the function of LINC00511 on the breast cancer tumourigenesis and stemness, and investigates the in-depth mechanism. METHODS The lncRNA and RNA expression were measured using RT-PCR. Protein levels were measured using western blotting analysis. CCK-8, colony formation assays and transwell assay were performed to evaluate the cell proliferation ability and invasion. Sphere-formation assay was also performed for the stemness. Bioinformatic analysis, chromatin immunoprecipitation (ChIP) and luciferase reporter assays were carried to confirm the molecular binding. RESULTS LINC00511 was measured to be highly expressed in the breast cancer specimens and the high-expression was correlated with the poor prognosis. Functionally, the gain and loss-of-functional experiments revealed that LINC00511 promoted the proliferation, sphere-formation ability, stem factors (Oct4, Nanog, SOX2) expression and tumor growth in breast cancer cells. Mechanically, LINC00511 functioned as competing endogenous RNA (ceRNA) for miR-185-3p to positively recover E2F1 protein. Furthermore, transcription factor E2F1 bind with the promoter region of Nanog gene to promote it transcription. CONCLUSION In conclusion, our data concludes that LINC00511/miR-185-3p/E2F1/Nanog axis facilitates the breast cancer stemness and tumorigenesis, providing a vital insight for them.
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Affiliation(s)
- Guanming Lu
- Department of Mammary and Thyroid Gland Surgery, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
| | - Yueyong Li
- The First Affiliated Hospital of Jinan university, Huangpu Road, No. 613, Guangzhou, 510630 Guangdong China
- Department of Oncology, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
| | - Yanfei Ma
- Department of Mammary and Thyroid Gland Surgery, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
| | - Jinlan Lu
- Department of Dental, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
| | - Yongcheng Chen
- Department of Mammary and Thyroid Gland Surgery, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
| | - Qiulan Jiang
- Department of Oncology, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
| | - Qiang Qin
- Department of Mammary and Thyroid Gland Surgery, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
| | - Lifeng Zhao
- Department of Oncology, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
| | - Qianfang Huang
- Department of Mammary and Thyroid Gland Surgery, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
| | - Zhizhai Luo
- Department of Mammary and Thyroid Gland Surgery, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
| | - Shiqing Huang
- The First Affiliated Hospital of Jinan university, Huangpu Road, No. 613, Guangzhou, 510630 Guangdong China
- Department of Oncology, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
- Department of Tumor, Youjiang Medical College Affiliated Hospital, Zhongshan Second Road, No. 18, Baise, 533000 Guangxi China
| | - Zhongheng Wei
- Department of Oncology, Youjiang Medical College Affiliated Hospital, Baise, 533000 Guangxi China
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