Graft versus Host Disease: From Basic Pathogenic Principles to DNA Damage Response and Cellular Senescence

Area of Science:

• Immunology
• Cellular Biology
• Transplantation Medicine

Background:

• Graft versus host disease (GVHD) is a severe immunogenic complication following allogeneic hematopoietic stem cell transplantation (HSCT).
• GVHD is the most frequent cause of transplant-related mortality (TRM), significantly impacting HSCT success.
• Despite advancements in HSCT techniques and care, GVHD remains a critical challenge.

Purpose of the Study:

• To provide a comprehensive summary of GVHD pathogenesis.
• To highlight the roles of fundamental biological processes in GVHD development.
• To focus on DNA damage response and cellular senescence as key factors in GVHD.

Main Methods:

• This is a review article, synthesizing existing research.
• Focuses on literature concerning basic biological processes.
• Specifically examines studies on DNA damage response and cellular senescence in the context of GVHD.

Main Results:

• GVHD pathogenesis is complex, involving intricate immune responses.
• DNA damage response pathways are implicated in the initiation and perpetuation of GVHD.
• Cellular senescence contributes to the inflammatory environment and tissue damage characteristic of GVHD.

Conclusions:

• Understanding the roles of DNA damage response and cellular senescence is crucial for developing novel GVHD therapies.
• Targeting these fundamental biological processes may offer new strategies to mitigate GVHD and improve HSCT outcomes.
• Further research into the interplay between these mechanisms is warranted to enhance transplant success and reduce mortality.