ArticleBiochemistry and biophysics reports2021
The effect of redox signaling on extracellular matrix changes in diabetic wounds leading to amputation.
Article in Biochemistry and biophysics reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 12 citations in OpenAlex.
- Effect of Dezocine and Dexmedetomidine as Adjuvants in Ropivacaine for Incision Subcutaneous Infiltration Anesthesia on Incision Healing in Diabetic Rats.Brain and behavior · 2025Article
- Wound management, healing, and early prosthetic rehabilitation: Part 3 - A scoping review of chemical biomarkers.Canadian prosthetics & orthotics journal · 2025Review
- The molecular determinants regulating redox signaling in diabetic endothelial cells.Frontiers in pharmacology · 2025Review
- Wound management, healing, and early prosthetic rehabilitation: Part 1 - A scoping review of healing and non-healing definitions.Canadian prosthetics & orthotics journal · 2024Review
- Wound management, healing, and early prosthetic rehabilitation: Part 2 - A scoping review of physical biomarkers.Canadian prosthetics & orthotics journal · 2024Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introduction& Objectives: Redox signaling is a critical regulator in the process of wound healing. This signaling pathway can be effective in the development or healing of diabetic ulcers through the ECM.In this study, the structure of extracellular matrix investigated in relation to redox signaling in the tissue of patients with diabetic ulcers that lead to organ amputation. MATERIALS AND
methodsThe case-control design on diabetic patients ulcers as case group and non-diabetic limb ischemia as control were used.Hematoxylin-eosin, trichrome, and elastin staining methods were used for pathological evaluations of ECM. MDA, total thiol, and SOD levels were measured using ELISA kits to assess the oxidative stress level. Also, NO level was measured by using ELISA kits in both groups. Expression levels of genes MMP2, MMP9, and HIF were detected using real-time PCR with SYBR-green assay.
resultsThe pathological results showed an increase in the thickness of collagen and elastin fibers. Lipids atrophy was visible in the tissue isolated from the diabetic wound group. The amount of MAD to evaluate the level of lipid oxidation in patients with diabetic Ulcer was significantly higher than the control group(p < 0.01). Thiol level was significantly lower in the diabetic ulcer group than in the control group(p < 0.0001). The expression of metalloproteinases 2 and 9 genes in the tissues isolated from diabetic ulcers was lower than the control group(p < 0.0001). While the expression of the HIF gene in this group was higher than the control group(p < 0.0001). CONCLUTION: In the diabetic wound, the HIF secretion due to hypoxic conditions is beneficial for matrix deposition and prevents protease activity, but if the hypoxia persists, it can lead to ECM deposition subsequently increases the tissue pressure, increases of the collagen I-to-collagen III ratio in collagen accumulation that due to more hypoxia , lipidsAtrophy and eventually amputation.
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