Poly(ADP-Ribose) Polymerases in Host-Pathogen Interactions, Inflammation, and Immunity.

Area of Science:

• Biochemistry
• Immunology
• Molecular Biology

Background:

• The poly(ADP-ribose) polymerase (PARP) family comprises 17 enzymes with diverse biological roles.
• PARP1 is the most studied human PARP enzyme, involved in numerous cellular processes.
• PARP enzymes play significant roles in host-pathogen interactions and inflammatory responses.

Purpose of the Study:

• To review recent research on PARP enzyme functions.
• To focus on the involvement of PARPs in host-pathogen interactions and inflammatory diseases.
• To highlight the potential of PARP inhibitors as therapeutic agents.

Main Methods:

• Literature review of recent research on PARP family proteins.
• Analysis of PARP roles in mammalian antiviral responses (e.g., PARP13/ZAP).
• Examination of PARP involvement in plant immunity and stress responses.

Main Results:

• PARP enzymes are implicated in both host defense and pathogen evasion.
• PARPs modulate inflammatory signaling pathways, leading to cytokine and adhesion molecule expression.
• PARP13 (ZAP) is a key player in the mammalian antiviral response.
• Poly(ADP-ribosyl)ation regulates plant stress responses and immunity.

Conclusions:

• PARP enzymes are critical regulators of host-pathogen interactions and inflammatory processes.
• PARP inhibitors demonstrate therapeutic potential for inflammatory conditions such as diabetes, arthritis, and stroke.
• Understanding PARP functions provides insights into disease pathogenesis and host responses, aiding in inhibitor development.