Recent advances in biosensor devices for HER-2 cancer biomarker detection

Supat Chupradit1, Saade Abdalkareem Jasim2, Dmitry Bokov3,4

  • 1Department of Occupational Therapy, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand.

Insights

Biosensors offer sensitive and specific detection of human epidermal growth factor receptor 2 (HER-2), a key protein in various cancers. This review explores advanced biosensor technologies as alternatives to traditional HER-2 diagnostic methods.

Area of Science:

  • Biomedical Engineering
  • Molecular Diagnostics
  • Cancer Biomarkers

Background:

  • Human epidermal growth factor receptor 2 (HER-2) is a transmembrane tyrosine kinase receptor implicated in ovarian, lung, gastric, oral, and breast cancers.
  • Traditional diagnostic methods like FISH, immunohistochemistry, and PCR for HER-2 detection face limitations including low specificity, complexity, high cost, and poor sensitivity.
  • The need for improved diagnostic tools necessitates the exploration of alternative technologies for accurate HER-2 assessment.

Purpose of the Study:

  • To review and analyze various biosensor technologies for the diagnosis of HER-2.
  • To evaluate the effectiveness of biosensors in detecting HER-2 and monitoring drug efficacy against it.
  • To highlight the potential of novel biosensor designs, such as colorimetric biosensors, for future HER-2 detection strategies.

Main Methods:

  • Review of existing literature on biosensor applications for HER-2 detection.
  • Categorization of biosensors based on transducer types: piezoelectric, optical (fluorescence, SPR), and electrochemical.
  • Analysis of biosensor performance characteristics including sensitivity and specificity.

Main Results:

  • Biosensor technology demonstrates significant potential for sensitive, specific, and rapid diagnosis and monitoring of HER-2.
  • Various biosensor platforms, including electrochemical, optical, and piezoelectric, show promise for HER-2 detection.
  • The review identifies key advantages of biosensors over traditional methods for HER-2 analysis.

Conclusions:

  • Biosensors represent a promising alternative to conventional methods for HER-2 detection, offering enhanced diagnostic capabilities.
  • Further development of biosensor devices, particularly colorimetric types, could significantly advance HER-2 diagnostics.
  • Biosensor technology holds potential to improve patient outcomes through early and accurate HER-2 assessment and treatment monitoring.