The multi-faceted functioning portrait of LRF/ZBTB7A

Area of Science:

• Molecular Biology
• Cell Biology
• Genetics

Background:

• Zinc fingers and BTB domain (ZBTB) proteins are conserved transcription factors (TFs) crucial for cell development and fate.
• LRF/ZBTB7A is a ZBTB TF involved in physiological processes like erythrocyte maturation and immune cell differentiation.
• LRF/ZBTB7A exhibits dual roles in cancer, acting as an oncogenic or oncosuppressive factor depending on the cellular context.

Purpose of the Study:

• To review the diverse physiological and cancer-related cellular activities regulated by LRF/ZBTB7A.
• To summarize the molecular mechanisms underlying LRF/ZBTB7A's functions.
• To highlight the pleiotropic nature of LRF/ZBTB7A and the consequences of its altered expression.

Main Methods:

• Literature review of studies on LRF/ZBTB7A.
• Analysis of LRF/ZBTB7A's involvement in cell differentiation, proliferation, apoptosis, and metastasis.
• Examination of molecular pathways including chromatin remodeling, Notch signaling, DNA damage response, epigenetics, NF-κB, p53, and the Warburg effect.

Main Results:

• LRF/ZBTB7A regulates key physiological processes such as erythrocyte maturation, B/T cell differentiation, adipogenesis, and insulin self-tolerance.
• In cancer, LRF/ZBTB7A's role is context-dependent, influencing proliferation, apoptosis, invasion, migration, and metastasis.
• LRF/ZBTB7A exerts its effects through diverse mechanisms including chromatin modification, signaling pathway regulation, and metabolic reprogramming.

Conclusions:

• LRF/ZBTB7A is a critical pleiotropic transcription factor with significant roles in both normal physiology and cancer.
• Understanding LRF/ZBTB7A's complex functions and regulatory mechanisms is essential for therapeutic strategies.
• Altered LRF/ZBTB7A expression is detrimental to cell survival, underscoring its importance in cellular homeostasis and disease.