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[Transforming growth factor beta 1 and interleukin 6 mRNA expression in wound tissues of patients with diabetic
Objective:
To study the relationship between the changes of mRNA expression in wound tissues of diabetic ulcers and tissue repair.
Methods:
The mRNA expression of TGF-beta 1 and IL-6 in eight bioptic samples of diabetic ulcers were detected by RT-PCR and pathologic methods, and the surrounding normal skins from the same patients were measured as control group.
Results:
The mRNA expression levels of TGF-beta 1 were markedly decreased in the diabetic ulcers compared with control group, while the mRNA expression levels of IL-6 were increased at the same reaction conditions.
Conclusion:
The different changes of mRNA expression level of TGF-beta 1 and IL-6 in wound tissue result in low production and decreased activity of TGF-beta 1 and IL-6, which lower the reparative ability of wound tissue.
Insights
Diabetic ulcer tissues show decreased transforming growth factor-beta 1 (TGF-beta 1) mRNA and increased interleukin-6 (IL-6) mRNA, impairing wound healing.
Area of Science:
- Molecular Biology
- Wound Healing Research
Context:
- Diabetic ulcers represent a significant clinical challenge due to impaired wound healing.
- Understanding the molecular mechanisms underlying delayed healing is crucial for developing effective treatments.
Purpose:
- To investigate the messenger RNA (mRNA) expression patterns of key cytokines, specifically transforming growth factor-beta 1 (TGF-beta 1) and interleukin-6 (IL-6), in diabetic ulcer tissues.
- To correlate these expression changes with the process of tissue repair in diabetic wounds.
Summary:
- Messenger RNA (mRNA) expression of TGF-beta 1 was significantly reduced in diabetic ulcer tissues compared to control skin samples.
- Conversely, mRNA expression levels of IL-6 were elevated in diabetic ulcer tissues under identical experimental conditions.
- These distinct alterations in TGF-beta 1 and IL-6 mRNA expression suggest a role in the compromised reparative capacity of diabetic wound tissue.
Impact:
- The findings highlight the differential expression of TGF-beta 1 and IL-6 as potential molecular contributors to poor wound healing in diabetes.
- This research provides a basis for exploring targeted therapeutic strategies aimed at modulating these cytokine pathways to enhance diabetic ulcer repair.