What's Happening?
A recent study published in Nature has introduced an innovative in-situ dual-lighting system (ISDLS) for detecting HER2 nucleic acid and protein in single pathological sections. This system combines molecular beacon-based loop-mediated isothermal amplification
(LAMP) and tyramide signal amplification (TSA)-based immunohistochemistry (IHC) to enhance the accuracy and sensitivity of HER2 detection. The study highlights the limitations of traditional IHC, which often requires confirmation through in situ hybridization (ISH), and suggests that HER2-low patients may benefit from targeted therapy. The ISDLS method was tested on both cell line slides and human tumor sections, showing promising results in obtaining satisfactory nucleic acid and protein signals within one day.
Why It's Important?
The development of the ISDLS method is significant as it addresses the need for more accurate and sensitive diagnostic tools for HER2-positive cancers. HER2 is a critical biomarker in determining treatment strategies for certain types of cancer, and the ability to detect it more reliably could lead to better patient outcomes. This advancement may improve the speed and accuracy of cancer diagnosis, potentially allowing for earlier intervention and more personalized treatment plans. The study's findings could influence future research and clinical practices in oncology, particularly in the management of HER2-positive cancers.













