Related Experiment Video
Updated: Jul 11, 2026
06:41
A New Technique for Quantitative Analysis of Hair Loss in Mice Using Grayscale Analysis
Published on: March 9, 2015
Dynamic evaluation of pathological changes in a mouse acne model by optical imaging technology.
Dongying Li1, Yanan Sun1, Xing Ren1
1Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing, China.
Experimental Dermatology
|May 14, 2023
Summary
This study introduces a new non-destructive optical imaging method to dynamically assess acne vulgaris (acne). This technique monitors multiple factors like inflammation and blood flow in real-time, aiding precise acne treatment selection.
Area of Science:
- Dermatology
- Biomedical Optics
- Pathophysiology
Background:
- Acne vulgaris involves hyperseborrhea, Propionibacterium acnes, hyperkeratosis, and inflammation.
- Current methods assess single acne factors, limiting real-time, multi-factorial analysis.
- A dynamic, non-destructive in vivo assessment method for acne is needed.
Purpose of the Study:
- To develop and utilize four-dimensional optical imaging for assessing acne vulgaris pathogenic factors and progression.
- To establish a dynamic, non-destructive in vivo method for real-time acne assessment.
Main Methods:
- Employed four-dimensional optical imaging techniques.
- Utilized Laser Speckle Contrast Imaging (LSCI) for blood flow measurement.
- Used Two-Photon Excited Fluorescence (TPEF) to observe inflammatory changes (NAD(P)H) and collagen fiber structure.
- Incorporated dermoscopy for lesion micro-characterization.
Main Results:
- Optical imaging revealed epidermal thickening, hair follicle keratinization, inflammation, and blood flow aggregation in acne lesions.
- Pathological progression was characterized into an inflammation phase (with bacterial colonization) and a reparative phase.
- Demonstrated the capability of optical imaging to assess multiple acne factors simultaneously and dynamically.
Conclusions:
- Four-dimensional optical imaging offers a novel perspective for in vivo acne assessment.
- This method provides an experimental basis for selecting precise clinical acne treatments.
- The study highlights the potential of advanced imaging for understanding acne pathophysiology.
