Vitamin A and Wound Healing.
Roman Zinder1, Rachel Cooley1, Lucian G Vlad1
1Wound Care and Hyperbaric Medical Center of the Department of Plastic Surgery of Wake Forest Baptist Health, Winston-Salem, North Carolina, USA.
Summary
Vitamin A, a retinoid, impacts skin health, wound healing, and metabolic functions. While supplementation may aid in infections and wound care, potential toxicity necessitates careful consideration and further research.
Area of Science:
- Biochemistry
- Dermatology
- Endocrinology
Background:
- Vitamin A, encompassing retinoids, plays crucial roles in cellular functions and metabolic processes.
- Deficiency can cause skin issues and impair pancreatic glucose control.
- Vitamin A is vital for wound healing, stimulating collagen synthesis and tissue regeneration.
Purpose of the Study:
- To review the multifaceted roles of Vitamin A in human physiology.
- To explore its impact on skin health, metabolic regulation, and wound healing.
- To assess the current evidence and limitations regarding Vitamin A supplementation.
Main Methods:
- Literature review of existing studies on Vitamin A's physiological effects.
- Analysis of Vitamin A's role in cellular signaling and hormonal interactions.
- Evaluation of evidence for topical and systemic Vitamin A supplementation.
Main Results:
- Vitamin A deficiency is linked to cutaneous manifestations and increased infection severity.
- It supports wound healing by promoting collagen deposition and tissue repair.
- Supplementation may counteract corticosteroid effects but carries risks of toxicity.
Conclusions:
- Vitamin A is essential for skin integrity, metabolic balance, and wound healing.
- Evidence for supplementation benefits, especially in wound care, is largely based on expert opinion.
- Rigorous clinical trials are needed to establish definitive therapeutic guidelines for Vitamin A supplementation.
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