Alcohol and Smoking Mediated Modulations in Adaptive Immunity in Pancreatitis

Rakesh Bhatia, Christopher Thompson, Koelina Ganguly, Shailender Singh, Surinder K. Batra, Sushil Kumar

Research output: Contribution to journalReview article

Abstract

Pancreatitis is a condition of pancreatic inflammation driven by injury to the pancreatic parenchyma. The extent of acinar insult, intensity, and type of immune response determines the severity of the disease. Smoking, alcohol and autoimmune pancreatitis are some of the predominant risk factors that increase the risk of pancreatitis by differentially influencing the adaptive immune system. The overall decrease in peripheral lymphocyte (T-, B- and (natural killer T-) NKT-cell) count and increased infiltration into the damaged pancreatic tissue highlight the contribution of adaptive immunity in the disease pathology. Smoking and alcohol modulate the responsiveness and apoptosis of T- and B-cells during pancreatic insult. Acute pancreatitis worsens with smoking and alcohol, leading to the development of systemic inflammatory response syndrome and compensatory anti-inflammatory response syndrome, suggesting the critical role of adaptive immunity in fatal outcomes such as multiple organ dysfunction. The presence of CD4+ and CD8+ T-lymphocytes and perforin-expressing cells in the fibrotic tissue in chronic pancreatitis modulate the severity of the disease. Due to their important role in altering the severity of the disease, attempts to target adaptive immune mediators will be critical for the development of novel therapeutic interventions.

Original languageEnglish (US)
JournalCells
Volume9
Issue number8
DOIs
StatePublished - Aug 11 2020

Keywords

  • acute pancreatitis
  • adaptive immunity
  • alcohol
  • chronic pancreatitis
  • collagen
  • lymphocytes
  • pancreatic stellate cells
  • pancreatitis
  • smoking

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