SKA3, an important factor in cell cycle regulation, is involved in spindle assembly and kinetochore function, playing a critical role in maintaining cancer cell proliferation and division. However, its specific roles and regulatory mechanisms in cancer remain not fully understood. Large-scale datasets from multiple public databases, including The Cancer Genome Atlas and Genotype-Tissue Expression, covering various cancer types, were integrated. Systematic analysis revealed that SKA3 exhibits aberrant expression patterns in multiple cancers and is significantly associated with tumor progression and poor patient prognosis in certain cancers. We explored the status of SKA3 gene mutation, gene amplification and promoter region methylation in various tumors. In the context of immunotherapy, we assessed the value of SKA3 in cancer. Analyzing the correlation between SKA3 expression levels and immune checkpoints and immune cell infiltration, we discovered that SKA3 could serve as a novel immunotherapy biomarker across multiple cancers, guiding clinical immunotherapy decisions. Finally, SKA3 knockdown inhibited lung adenocarcinoma cell proliferation and metastasis. In conclusion, this study provides new insights into the role of SKA3 in cancer and offers significant theoretical and experimental evidence for its development as a diagnostic and prognostic biomarker.
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http://dx.doi.org/10.1111/apm.70009 | DOI Listing |
Mol Cell Biochem
March 2025
Department of Thoracic Surgery, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Jiangsu Cancer Hospital and Nanjing Medical University Affiliated Cancer Hospital and Jiangsu Institute of Cancer Research, 42 Baiziting Road, Nanjing, 210009, China.
Spindle and kinetochore-associated complex subunit 3 (SKA3) contributes to tumor growth and metastasis, but its specific roles have not been clearly elucidated. In this study, we found that SKA3 contributed to lung adenocarcinoma (LUAD) progression by interacting with integrin β1. The expression characteristics of SKA3 in LUAD patients were analyzed by The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) datasets and validated in 33 paired LUAD tissues by immunohistochemistry.
View Article and Find Full Text PDFJ Kidney Cancer VHL
February 2025
Department of Health Information Technology and Management, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
The prevalence of papillary renal cell carcinomas (PRCCs) is estimated to be between 10% and 15%. At present, there is no effective therapeutic approach available for patients with advanced PRCCs. The molecular biomarkers associated with PRCC diagnoses have been rarely studied compared to renal clear cell carcinomas; therefore, the necessity for the identification of novel molecular biomarkers to aid in the early identification of this disease.
View Article and Find Full Text PDFAPMIS
March 2025
Department of Thyroid and Breast Surgery, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China.
SKA3, an important factor in cell cycle regulation, is involved in spindle assembly and kinetochore function, playing a critical role in maintaining cancer cell proliferation and division. However, its specific roles and regulatory mechanisms in cancer remain not fully understood. Large-scale datasets from multiple public databases, including The Cancer Genome Atlas and Genotype-Tissue Expression, covering various cancer types, were integrated.
View Article and Find Full Text PDFNat Med
February 2025
University of California Los Angeles, Jonsson Comprehensive Cancer Center, Los Angeles, CA, USA.
Addition of pembrolizumab to neoadjuvant chemotherapy followed by adjuvant pembrolizumab improved outcomes in patients with high-risk, early-stage, triple-negative breast cancer. However, whether the addition of neoadjuvant pembrolizumab to chemotherapy would improve outcomes in high-risk, early-stage, estrogen receptor-positive/human epidermal growth factor receptor 2-negative (ER/HER2) breast cancer remains unclear. We conducted a double-blind, placebo-controlled phase 3 study (KEYNOTE-756) in which patients with previously untreated ER/HER2 grade 3 high-risk invasive breast cancer (T1c-2 (≥2 cm), cN1-2 or T3-4, cN0-2) were randomly assigned (1:1) to neoadjuvant pembrolizumab 200 mg or placebo Q3W given with paclitaxel QW for 12 weeks, followed by four cycles of doxorubicin or epirubicin plus cyclophosphamide Q2W or Q3W.
View Article and Find Full Text PDFFront Mol Biosci
December 2024
Department of Urology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Background: Cancer stem cells are characterized by self-renewal, clonal tumor initiation capacity, and treatment resistance, which play essential roles in the tumor progression of prostate cancer (PCa). In this study, we aim to explore the features of cancer stemness and characterize the expression of stem cell-related genes for PCa.
Methods: We downloaded RNA-seq data and related clinical information from The Cancer Genome Atlas (TCGA) database.
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