Effect of Bovine Lactoferrin Treatment on Iron Homeostasis and Gene Expression Changes in Multiple Organ Dysfunctions During Wound Healing Process in Rats


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Abstract

Background:Injury systemically disrupts the homeostatic balance and can cause organ failure. LF mediates both iron-dependent and iron-independent mechanisms, and the role of LF in regulating iron homeostasis is vital in terms of metabolism.

Objectives:In this study, we evaluated the organ-level effect and gene expression change of bLf in the cutaneous repair process.

Materials and Methods:An excisional full-thickness skin defect (FTSD) wound model was created in male Sprague Dawley rats (180-250 g) (n = 48) fed a high-fat diet (HFD) and the PHGPx, SLC7A11 and SLC40A1 genes and iron metabolism were evaluated. The animals were randomly divided into 6 groups: 1- Control, 2- bLf (200 mg/kg/day, oral), 3- FTSD (12 mm in diameter, dorsal), 4- HFD + bLf, 5- HFD + FTSD, 6- HFD + FTSD + bLf. Histologically, iron accumulation was demonstrated by Prussian blue staining in the liver, kidney, and intestinal tissues. Gene expression analysis was performed with qPCR.

Results:Histologically, iron accumulation was demonstrated by Prussian blue staining in the liver, kidney, and intestinal tissues. Prussian blue reactions were detected in the kidney. PHPGx and SLC7A11 genes in kidney and liver tissue were statistically significant (p < 0.05) except for the SLC40A1 gene (P > 0.05). Expression changes of the three genes were not statistically significant in analyses of rat intestinal tissue (P = 0.057).

Conclusion:In the organ-level ferroptotic damage mechanism triggered by wound formation. BLf controls the expression of three genes and manages iron deposition in these three tissues. In addition, it suppressed the increase in iron that would drive the cell to ferroptosis and anemia caused by inflammation, thereby eliminating iron deposition in the tissues.

About the authors

Ahmet Bozkurt

Department of Physiology, Faculty of Medicine, University of Gaziantep

Author for correspondence.
Email: info@benthamscience.net

Şenay Yılmaz

Department of Nutrition and Dietetics, Faculty of Health Science,, University of Gaziantep,

Email: info@benthamscience.net

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