Recent Advances of Functional Proteomics in Gastrointestinal Cancers- a Path towards the Identification of Candidate Diagnostic, Prognostic, and Therapeutic Molecular Biomarkers

• Published in: International journal of molecular sciences Vol. 21; no. 22; p. 8532
• Main Authors: Abyadeh, Morteza, Meyfour, Anna, Gupta, Vivek, Zabet Moghaddam, Masoud, Fitzhenry, Matthew J, Shahbazian, Shila, Hosseini Salekdeh, Ghasem, Mirzaei, Mehdi
• Format: Journal Article
• Language: English
• Published: Switzerland MDPI AG 12.11.2020; MDPI
• Subjects: Accuracy; Amino acids; Animals; Antibodies; Biomarkers; Biomarkers, Tumor - metabolism; Carcinoma, Hepatocellular - diagnosis; Carcinoma, Hepatocellular - metabolism; Cell culture; Chromatography; Colorectal cancer; Colorectal carcinoma; Colorectal Neoplasms - diagnosis; Colorectal Neoplasms - metabolism; Diagnostic systems; Drug resistance; Gastric cancer; Gastrointestinal cancer; Gastrointestinal Neoplasms - diagnosis; Gastrointestinal Neoplasms - metabolism; Glycoproteins - metabolism; glycoproteomics; Glycosylation; Hepatocellular carcinoma; Humans; Kinases; Liver cancer; Liver Neoplasms - diagnosis; Liver Neoplasms - metabolism; Mass spectrometry; Medical Oncology - trends; Medical research; Metal oxides; Methods; Mice; Morbidity; Mutation; Neoplasm Invasiveness; Neoplasm Metastasis; Neoplasm Transplantation; Pancreas; Pancreatic cancer; Pancreatic carcinoma; Pancreatic Neoplasms - diagnosis; Pancreatic Neoplasms - metabolism; Peptides; phosphoproteomics; Phosphorylation; Polysaccharides - metabolism; Prognosis; Proteins; Proteome; Proteomics; Proteomics - methods; Review; Scientific imaging; Stomach Neoplasms - diagnosis; Stomach Neoplasms - metabolism; Treatment Outcome; phosphoproteomics; glycoproteomics; pancreatic cancer; colorectal cancer; gastric cancer; hepatocellular carcinoma
• ISSN: 1422-0067; 1661-6596; 1422-0067
• DOI: 10.3390/ijms21228532

Gastrointestinal (GI) cancer remains one of the common causes of morbidity and mortality. A high number of cases are diagnosed at an advanced stage, leading to a poor survival rate. This is primarily attributed to the lack of reliable diagnostic biomarkers and limited treatment options. Therefore, more sensitive, specific biomarkers and curative treatments are desirable. Functional proteomics as a research area in the proteomic field aims to elucidate the biological function of unknown proteins and unravel the cellular mechanisms at the molecular level. Phosphoproteomic and glycoproteomic studies have emerged as two efficient functional proteomics approaches used to identify diagnostic biomarkers, therapeutic targets, the molecular basis of disease and mechanisms underlying drug resistance in GI cancers. In this review, we present an overview on how functional proteomics may contribute to the understanding of GI cancers, namely colorectal, gastric, hepatocellular carcinoma and pancreatic cancers. Moreover, we have summarized recent methodological developments in phosphoproteomics and glycoproteomics for GI cancer studies.