Transplantation of photobiomodulation-preconditioned diabetic stem cells accelerates ischemic wound healing in diabetic rats.

Abstract

BACKGROUND:

Diabetic foot ulcer is the most costly and complex challenge for patients with diabetes. We hereby assessed the effectiveness of different preconditioned adipose-derived mesenchymal stem cells (AD-MSCs) and photobiomodulation protocols on treating an infected ischemic wound in type 1 diabetic rats.

METHODS:

There were five groups of rats: (1) control, (2) control AD-MSCs [diabetic AD-MSCs were transplanted (grafted) into the wound bed], (3) AD-MSC + photobiomodulation in vivo (diabetic AD-MSCs were grafted into the wound, followed by in vivo PBM treatment), (4) AD-MSCs + photobiomodulation in vitro, and (5) AD-MSCs + photobiomodulation in vitro + in vivo.

RESULTS:

Diabetic AD-MSCs preconditioned with photobiomodulation had significantly risen cell function compared to diabetic AD-MSC. Groups 3 and 5 had significantly decreased microbial flora correlated to groups 1 and 2 (all, p = 0.000). Groups 2, 3, 4, and 5 had significantly improved wound closure rate (0.4, 0.4, 0.4, and 0.8, respectively) compared to group 1 (0.2). Groups 2-5 had significantly increased wound strength compared to group 1 (all p = 0.000). In most cases, group 5 had significantly better results than groups 2, 3, and 4.

CONCLUSIONS:

Preconditioning diabetic AD-MSCs with photobiomodulation in vitro plus photobiomodulation in vivo significantly hastened healing in the diabetic rat model of an ischemic infected delayed healing wound.

• Authors: Houssein Ahmadi, Abdollah Amini, Fatemeh Fadaei Fathabady, Atarodsadat Mostafavinia, Fatemeh Zare, Roohollah Ebrahimpour-Malekshah, Mustafa Neshat Ghalibaf, Matin Abrisham, Fatemehalsadat Rezaei, Richard Albright, Seyed Kamran Ghoreishi, Sufan Chien, Mohammad Bayat
• Journal: Stem cell research & therapy (Stem Cell Res Ther) Vol. 11 Issue 1 Pg. 494 (11 25 2020) ISSN: 1757-6512 [Electronic] England
• PMID: 33239072 (Publication Type: Journal Article, Research Support, N.I.H., Extramural)

Topics

• Animals
• Diabetes Mellitus, Experimental (therapy)
• Humans
• Low-Level Light Therapy
• Mesenchymal Stem Cell Transplantation
• Rats
• Rats, Wistar
• Stem Cells
• Wound Healing