The Effects of Blue Light on Human Fibroblasts and Diabetic Wound Healing

Research output: Contribution to journalReview articlepeer-review

5 Citations (Scopus)

Abstract

Diabetes is a serious threat to global health and is among the top 10 causes of death. The Diabetic foot ulcer (DFU) is among the most common and severe complications of the disease. Bacterial infections are common; therefore, timely aggressive management, using multidisciplinary management approaches is needed to prevent complications, morbidity, and mortality, particularly in view of the growing cases of antibiotic-resistant bacteria. Photobiomodulation (PBM) involves the application of low-level light at specific wavelengths to induce cellular photochemical and photophysical responses. Red and near-infrared (NIR) wavelengths have been shown to be beneficial, and recent studies indicate that other wavelengths within the visible spectrum could be helpful as well, including blue light (400–500 nm). Reports of the antimicrobial activity and susceptibility of blue light on several strains of the same bacterium show that many bacteria are less likely to develop resistance to blue light treatment, meaning it is a viable alternative to antibiotic therapy. However, not all studies have shown positive results for wound healing and fibroblast proliferation. This paper presents a critical review of the literature concerning the use of PBM, with a focus on blue light, for tissue healing and diabetic ulcer care, identifies the pros and cons of PBM intervention, and recommends the potential role of PBM for diabetic ulcer care.

Original languageEnglish
Article number1431
JournalLife
Volume12
Issue number9
DOIs
Publication statusPublished - Sept 2022

Keywords

  • antibiotic resistance
  • diabetic foot ulcers
  • fibroblast proliferation
  • photobiomodulation
  • wound healing

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • General Biochemistry,Genetics and Molecular Biology
  • Space and Planetary Science
  • Paleontology

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