Vibrational spectroscopy for decoding cancer microbiota interactions: Current evidence and future perspective

Zhenhui Liu, Sheetal Parida, Ram Prasad, Rishikesh Pandey, Dipali Sharma, Ishan Barman

Research output: Contribution to journalReview articlepeer-review


The role of human microbiota in cancer initiation and progression is recognized in recent years. In order to investigate the interactions between cancer cells and microbes, a systematic analysis using various emerging techniques is required. Owing to the label-free, non-invasive and molecular fingerprinting characteristics, vibrational spectroscopy is uniquely suited to decode and understand the relationship and interactions between cancer and the microbiota at the molecular level. In this review, we first provide a quick overview of the fundamentals of vibrational spectroscopic techniques, namely Raman and infrared spectroscopy. Next, we discuss the emerging evidence underscoring utilities of these spectroscopic techniques to study cancer or microbes separately, and share our perspective on how vibrational spectroscopy can be employed at the intersection of the two fields. Finally, we envision the potential opportunities in exploiting vibrational spectroscopy not only in basic cancer-microbiome research but also in its clinical translation, and discuss the challenges in the bench to bedside translation.

Original languageEnglish (US)
Pages (from-to)743-752
Number of pages10
JournalSeminars in Cancer Biology
StatePublished - Nov 2022


  • Cancer
  • Human microbiota
  • Raman spectroscopy
  • Ramanome
  • Vibrational spectroscopy

ASJC Scopus subject areas

  • Cancer Research


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