Background: Breast cancer is the most common malignant tumor and usually occurs in women. Studies have shown that lncRNA nuclear enriched abundant transcript 1 (NEAT1) contributes to breast cancer progression. This study intends to further investigate the molecular mechanism of NEAT1 in breast cancer.
Methods: The expression levels of NEAT1, miR-410-3p and Cyclin D1 (CCND1) were detected by quantitative real-time PCR (qRT-PCR) in breast cancer tissues and cells. Kaplan-Meier analysis and the log-rank test were performed to determine the relationship between NEAT1 and overall survival. Cell Counting Kit-8 (CCK-8) assay analyzed cell proliferation. Transwell assay was performed to examine cell migration and invasion. The protein levels of CCND1 and epithelial-mesenchymal transition (EMT)-related proteins (E-cadherin, N-cadherin and Vimentin) were measured by western blot. The target relationship was predicted by bioinformatics analysis, and confirmed by luciferase reporter assay and RNA Immunoprecipitation (RIP) assay. Xenograft analysis was used to evaluate the tumor growth in vivo.
Results: NEAT1 and CCND1 were upregulated, while miR-410-3p was down-regulated in breast cancer tissues and cells. Higher NEAT1 expression level was associated with lower survival rate of breast cancer patients. Knockdown of miR-410-3p restored silenced NEAT1-mediated the inhibition of on proliferation, migration, invasion and EMT of breast cancer cells. In addition, NEAT1 regulated CCND1 expression by sponging miR-410-3p in breast cancer cells. NEAT1 knockdown blocked the tumor growth in vivo.
Conclusion: NEAT1 induced breast cancer progression by regulating the miR-410-3p/CCND1 axis, indicating that NEAT1 may be a potential therapeutic target in breast cancer.
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http://dx.doi.org/10.3233/CBM-190721 | DOI Listing |
JCO Glob Oncol
January 2025
Division of Haematology/Oncology, The Hospital for Sick Children, Toronto, Canada.
Purpose: Patients with adolescent and young adult (AYA) cancer are recognized as a vulnerable subpopulation in high-income countries (HICs). Although survival gaps between HIC and low- and middle-income country (LMIC) children with cancer are well described, LMIC AYAs have been neglected. We conducted a systematic review to describe cancer outcomes among LMIC AYAs.
View Article and Find Full Text PDFPurpose: In this study, we aimed to evaluate the association between the Extension for Community Healthcare Outcomes-Palliative Care (ECHO-PC; ECHO Model-Based comprehensive educational and telementoring intervention) for health care professionals (HCPs) and change in patient-reported quality-of-life (QOL; Functional Assessment of Cancer Therapy-General [FACT-G]) among patients with advanced cancer. We also examined the association between ECHO-PC and changes in symptom distress (Edmonton Symptom Assessment Scale [ESAS]), patient experience and satisfaction, and caregiver distress scores.
Methods: ECHO-PC Clinic sessions were conducted twice a month for 1 year by an interdisciplinary team of PC clinicians at the MD Anderson Cancer Center, with participation of experts in PC in sub-Saharan Africa, using standardized curriculum on the basis of PC needs in the region.
JCO Glob Oncol
January 2025
Department of Surgery, American University of Beirut, Beirut, Lebanon.
Purpose: We aimed to evaluate the impact of COVID-19 on breast cancer care in terms of the stage at presentation, treatment delays, and follow-up in a tertiary care center in Lebanon.
Materials And Methods: This retrospective study compared patients with breast cancer who presented to a tertiary care center in Lebanon before (September 2019-December 2019) and during (September 2020-December 2020) the COVID-19 pandemic. We extracted data from the electronic medical records of patients with breast cancer who had their initial presentation, were under treatment, or were on follow-up during our period of interest.
JCO Oncol Pract
January 2025
Department of Health Disparities Research, The University of Texas MD Anderson Cancer Center, Houston, TX.
Purpose: Previous studies have described barriers to and facilitators of healthy eating and being physically active among patients with cancer, but few have done so in a safety-net community oncology setting.
Materials And Methods: To understand multiple perspectives on the factors that influence diet and exercise in patients with cancer treated in safety-net settings, we conducted semistructured interviews between June and November 2021 with patients and oncology clinic medical professionals at a safety-net hospital in Houston, TX.
Results: Thirty-one patients with cancer were interviewed, including 11 patients on active treatment and 20 survivors, as well as 21 care health care professionals.
PLoS One
January 2025
Guang'an Hospital of Traditional Chinese Medicine, Guang'an, Sichuan Province, China.
Objectives: This study aimed to systematically incorporate the post-traumatic growth experience of breast cancer patients and furnish insights for the formulation of targeted psychological care measures.
Methods: The search period we were ranged from establishing the database to February 2024. We systematically searched four Chinese databases and seven English databases.
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