NAD + metabolism and function in innate and adaptive immune cells

Area of Science:

• Immunology
• Cellular Metabolism
• Biochemistry

Background:

• Nicotinamide adenine dinucleotide (NAD+) is vital for cellular metabolism and energy production.
• Emerging research emphasizes NAD+'s role in regulating immune cell function, impacting immune homeostasis, inflammation, and disease pathogenesis.

Purpose of the Study:

• To review the current understanding of NAD+'s role in the immune system, focusing on macrophages and T cells.
• To explore NAD+ biosynthesis, its metabolic modulation, and effector functions in immune cells.
• To highlight therapeutic potential of NAD+ modulation in immunological disorders.

Main Methods:

• Literature review of recent studies on NAD+ in immune cells.
• Analysis of NAD+ biosynthesis pathways in macrophages and T cells.
• Examination of NAD+'s impact on immune cell metabolism and function.

Main Results:

• NAD+ facilitates metabolic reprogramming in differentiating and activating macrophages and T cells.
• NAD+ influences key metabolic pathways essential for immune cell effector functions.
• Dysregulation of NAD+ metabolism is implicated in various immunological conditions.

Conclusions:

• NAD+ is a critical regulator of immune cell metabolism and function.
• Targeting NAD+ metabolism presents a promising therapeutic avenue for autoimmune diseases and cancer.
• Further research into NAD+ pathways can advance our understanding of immune regulation.