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MicroRNAs as Molecular Biomarkers for the Characterization of Basal-like Breast Tumor Subtype.

Muhammad TariqVinitha RichardMichael J Kerin
Published in: Biomedicines (2023)
Breast cancer is a heterogeneous disease highlighted by the presence of multiple tumor variants and the basal-like breast cancer (BLBC) is considered to be the most aggressive variant with limited therapeutics and a poor prognosis. Though the absence of detectable protein and hormonal receptors as biomarkers hinders early detection, the integration of genomic and transcriptomic profiling led to the identification of additional variants in BLBC. The high-throughput analysis of tissue-specific micro-ribonucleic acids (microRNAs/miRNAs) that are deemed to have a significant role in the development of breast cancer also displayed distinct expression profiles in each subtype of breast cancer and thus emerged to be a robust approach for the precise characterization of the BLBC subtypes. The classification schematic of breast cancer is still a fluid entity that continues to evolve alongside technological advancement, and the transcriptomic profiling of tissue-specific microRNAs is projected to aid in the substratification and diagnosis of the BLBC tumor subtype. In this review, we summarize the current knowledge on breast tumor classification, aim to collect comprehensive evidence based on the microRNA expression profiles, and explore their potential as prospective biomarkers of BLBC.
Keyphrases
  • poor prognosis
  • single cell
  • high throughput
  • long non coding rna
  • deep learning
  • risk assessment
  • climate change
  • metabolic syndrome
  • dna methylation
  • genome wide
  • adipose tissue
  • insulin resistance