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Updated: Feb 6, 2026
02:46
A Mouse Model of Pulmonary Fibrosis Induced by Nasal Bleomycin Nebulization
Published on: January 20, 2023
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Octreotide ameliorates dermal fibrosis in bleomycin-induced scleroderma
Turkish Journal of Medical Sciences
|August 20, 2018
Summary
Octreotide demonstrated antifibrotic effects in a bleomycin-induced scleroderma model, reducing dermal fibrosis and inflammation. This suggests octreotide
Area of Science:
- Dermatology
- Endocrinology
- Pharmacology
Background:
- Insulin-like growth factor (IGF)-I is a known differentiation and growth factor.
- Octreotide has demonstrated antifibrotic properties in pulmonary fibrosis.
- The study investigates octreotide's potential in a bleomycin-induced scleroderma model.
Purpose of the Study:
- To evaluate the prophylactic and therapeutic potential of octreotide.
- To investigate octreotide's effects on bleomycin-induced dermal fibrosis and inflammation.
- To explore the role of IGF-I and its binding proteins in experimental scleroderma.
Main Methods:
- Sixty Balb/c female mice were used, divided into six groups.
- Bleomycin (BLM) was administered daily for 3 or 6 weeks to induce scleroderma.
- Octreotide was administered prophylactically (first 3 weeks) or therapeutically (second 3 weeks).
Main Results:
- Bleomycin induced dermal inflammation, thickness, and fibrosis.
- mRNA expressions of TGF-β1, IGFBP-3, and IGFBP-5 were elevated in BLM-treated mice.
- Octreotide significantly decreased dermal inflammation, thickness, and IGFBP-3 and -5 mRNA levels.
Conclusions:
- Octreotide exhibits antifibrotic actions in experimental dermal fibrosis.
- IGF-I may play a pathogenic role in scleroderma.
- Octreotide is a potential candidate for further research in scleroderma treatment.
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