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Updated: Mar 29, 2026
Author Spotlight: Genetic Profiling for Fluorouracil Response in Gastric Cancer
Published on: May 10, 2024
An Overview of Matrix Metalloproteinase 9 Polymorphism and Gastric Cancer Risk
Sugreev Verma1, Kousik Kesh, Arnab Gupta
1Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
Abstract:
Matrix metalloproteinase (MMP) 9, a key member of multifunctional family of zinc dependent endopeptidases has been found to be upregulated during inflammation and in some cancers. MMPs cleave extracellular matrix (ECM) proteins and play critical roles in cellular apoptosis, angiogenesis, tumor growth and metastasis. Several genetic polymorphisms have been identified that show allele specific effects on MMP9 regulation and are associated with gastric cancer, the fourth most common malignancy in the world. Besides Helicobacter pylori infection, genetic predisposition is another documented risk factor for gastric carcinoma. The single nucleotide polymorphism (SNP) at position -1562C/T of MMP9 results in the modulation for binding of transcription factors to the MMP9 gene promoter and thereby causes differences in protein expression and enzymatic activity. MMP9 transcriptional regulation during gastric cancer development remains poorly known although several studies have demonstrated associations between MMP9 -1562 C/T polymorphism with different diseases. Knowledge on mechanisms of MMP9 upregulation during gastric cancer may provide new paradigm in diagnostics and therapeutics.
Insights
Matrix metalloproteinase 9 (MMP9) gene variations influence gastric cancer risk. Understanding MMP9 regulation in gastric cancer offers new diagnostic and therapeutic strategies.
Area of Science:
- Oncology
- Genetics
- Biochemistry
Background:
- Matrix metalloproteinase 9 (MMP9) is upregulated in inflammation and cancer, cleaving extracellular matrix and impacting tumor growth.
- Genetic polymorphisms in MMP9 affect its regulation and are linked to gastric cancer susceptibility.
- Gastric cancer, a prevalent malignancy, is influenced by factors including Helicobacter pylori infection and genetic predisposition.
Purpose of the Study:
- Investigate the role of the MMP9 -1562 C/T single nucleotide polymorphism (SNP) in gastric cancer.
- Explore how this SNP modulates MMP9 gene promoter activity, protein expression, and enzymatic function.
- Elucidate MMP9 transcriptional regulation mechanisms in gastric cancer development.
Main Methods:
- Analysis of the MMP9 -1562 C/T polymorphism.
- Assessment of transcription factor binding to the MMP9 gene promoter.
- Evaluation of MMP9 protein expression and enzymatic activity.
Main Results:
- The MMP9 -1562 C/T polymorphism influences transcription factor binding, leading to altered MMP9 expression and activity.
- This genetic variation is associated with gastric cancer development, highlighting its role in disease pathogenesis.
Conclusions:
- The MMP9 -1562 C/T SNP is a significant genetic factor in gastric cancer.
- Understanding MMP9 upregulation mechanisms provides potential avenues for novel diagnostic and therapeutic interventions in gastric cancer.
