Related Experiment Video
Updated: Feb 20, 2026
07:03
Imaging Denatured Collagen Strands In vivo and Ex vivo via Photo-triggered Hybridization of Caged Collagen Mimetic Peptides
Published on: January 31, 2014
12.4K
A single stranded fluorescent peptide probe for targeting collagen in connective tissues
Xiangdong Cai1, Zhao Liu, Sha Zhao
1State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China. xiaojx@lzu.edu.cn.
Chemical Communications (Cambridge, England)
|October 19, 2017
Summary
Researchers developed a new fluorescent peptide probe that directly targets collagen in tissues for imaging. This novel probe simplifies collagen detection without requiring heat or UV treatment.
Area of Science:
- Biochemistry
- Biomaterials Science
- Medical Imaging
Background:
- Collagen is a crucial structural protein in connective tissues, essential for tissue integrity and function.
- Accurate collagen detection and imaging are vital for diagnosing and monitoring various diseases, including fibrosis and cancer.
- Current collagen imaging methods often require complex sample preparation or specialized equipment.
Purpose of the Study:
- To develop a novel, single-stranded fluorescent peptide probe for specific collagen targeting.
- To enable convenient and efficient fluorescence imaging of collagen in connective tissues.
- To overcome limitations of existing collagen detection techniques.
Main Methods:
- Synthesized a novel single-stranded fluorescent peptide incorporating a bulky FAM dye at the central region.
- Evaluated the probe's specificity for collagen in connective tissues.
- Assessed the probe's performance in fluorescence imaging without pre-treatment.
Main Results:
- The novel peptide probe successfully targeted collagen in connective tissues.
- Fluorescence imaging was achieved directly without thermal or ultraviolet pre-treatment.
- The central FAM dye placement enhanced collagen-specific detection.
Conclusions:
- A novel, convenient, and specific fluorescent peptide probe for collagen imaging has been developed.
- The probe offers a simplified approach for visualizing collagen in biomedical research and diagnostics.
- This advancement facilitates improved collagen-related tissue analysis.
