Emerging physiological and pathological implications of tunneling nanotubes formation between cells

Area of Science:

• Cell Biology
• Molecular Biology

Background:

• Cell-to-cell communication is vital for multicellular organisms.
• Tunneling nanotubes (TNTs) are intercellular bridges enabling long-distance transfer of cellular components.
• TNTs exhibit diverse structural and functional properties across different cell systems.

Purpose of the Study:

• To review the cell and molecular mechanisms underlying TNT formation.
• To discuss the latest findings on TNTs' functional roles in physiological and pathological processes.
• To highlight the potential of TNT research for understanding intercellular communication.

Main Methods:

• Literature review focusing on TNT formation mechanisms.
• Analysis of recent research on TNT functions in various biological contexts.
• Synthesis of information on TNTs' roles in health and disease.

Main Results:

• TNTs facilitate bi- or uni-directional transfer of cellular materials.
• TNTs are implicated in diverse processes including signal transduction, immune responses, and disease progression.
• Research has identified varying structural and functional characteristics of TNTs.

Conclusions:

• Further investigation into TNTs' formation and function is crucial.
• TNTs represent a significant mechanism for intercellular communication in vivo and in vitro.
• Understanding TNTs may offer insights into tissue homeostasis, disease, and therapeutic strategies.