A High-Affinity Monoclonal Antibody Against the Pancreatic Ductal Adenocarcinoma Target, Anterior Gradient-2 (AGR2/PDIA17)
2024

High-Affinity Monoclonal Antibody Against AGR2 in Pancreatic Cancer

Sample size: 24 publication 10 minutes Evidence: high

Author Information

Author(s): Robinson Reeder M., Reyes Leticia, Christopher Benjamin N., Duncan Ravyn M., Burge Rachel A., Siegel Julie, Nasarre Patrick, Wang Pingping, O’Bryan John P., Hobbs G. Aaron, Klauber-DeMore Nancy, Dolloff Nathan G., Benhar Itai

Primary Institution: Medical University of South Carolina

Hypothesis

The study investigates the expression and function of AGR2 in pancreatic ductal adenocarcinoma (PDAC) and develops high-affinity monoclonal antibodies against it.

Conclusion

The study provides novel, high-affinity, fully human anti-AGR2 monoclonal antibodies that neutralize the pro-tumor effects of extracellular AGR2 in PDAC.

Supporting Evidence

  • AGR2 was expressed in approximately 90% of PDAC samples but not in normal pancreas biopsies.
  • The level of AGR2 expression correlated with increasing disease stage.
  • High AGR2 expression was associated with significantly lower disease-free survival in pancreatic cancer patients.
  • Monoclonal antibodies developed showed low picomolar binding affinity to AGR2.

Takeaway

Researchers found a protein called AGR2 that is linked to pancreatic cancer and created special antibodies to block its harmful effects.

Methodology

The study involved characterizing AGR2 expression in PDAC samples, developing monoclonal antibodies through phage display, and testing their effects on cell adhesion and migration.

Limitations

The study does not address the potential effects of AGR2 in normal tissues or its role in non-cancerous conditions.

Participant Demographics

Patients with pancreatic ductal adenocarcinoma (PDAC) were included in the study.

Statistical Information

P-Value

0.0025

Statistical Significance

p = 0.0025

Digital Object Identifier (DOI)

10.3390/antib13040101

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