Advances in High Throughput Proteomics Profiling in Establishing Potential Biomarkers for Gastrointestinal Cancer

Md Zahirul Islam Khan, Shing Yau Tam, Helen Ka Wai Law

Research output: Journal article publicationReview articleAcademic researchpeer-review

11 Citations (Scopus)

Abstract

Gastrointestinal cancers (GICs) remain the most diagnosed cancers and accounted for the highest cancer‐related death globally. The prognosis and treatment outcomes of many GICs are poor because most of the cases are diagnosed in advanced metastatic stages. This is primarily attributed to the deficiency of effective and reliable early diagnostic biomarkers. The existing biomarkers for GICs diagnosis exhibited inadequate specificity and sensitivity. To improve the early diagnosis of GICs, biomarkers with higher specificity and sensitivity are warranted. Proteomics study and its functional analysis focus on elucidating physiological and biological functions of unknown or annotated proteins and deciphering cellular mechanisms at molecular levels. In addition, quantitative analysis of translational proteomics is a promising approach in enhancing the early identification and proper management of GICs. In this review, we focus on the advances in mass spectrometry along with the quantitative and functional analysis of proteomics data that contributes to the establishment of biomarkers for GICs including, colorectal, gastric, hepatocellular, pancreatic, and esophageal cancer. We also discuss the future challenges in the validation of proteomics‐based biomarkers for their translation into clinics.

Original languageEnglish
Article number973
JournalCells
Volume11
Issue number6
DOIs
Publication statusPublished - 11 Mar 2022

Keywords

  • Biomarkers
  • Gastrointestinal cancer
  • Mass spectrometry
  • Multi‐omics
  • Proteomics

ASJC Scopus subject areas

  • General Biochemistry,Genetics and Molecular Biology

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