Related Experiment Video
Updated: Oct 2, 2025
11:42
Combination of Microstereolithography and Electrospinning to Produce Membranes Equipped with Niches for Corneal Regeneration
Published on: September 12, 2014
12.6K
Bioactive NIR-II Light-Responsive Shape Memory Composite Based on Cuprorivaite Nanosheets for Endometrial
Chenle Dong1,2,3, Chen Yang3,4,5, Muhammad Rizwan Younis3
1Department of Obstetrics and Gynecology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|February 26, 2022
Summary
A novel shape memory composite using CUP NSs and PT effectively prevents intrauterine adhesions (IUAs) by promoting endometrial healing. This advanced material offers a promising strategy for treating infertility caused by IUAs.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Nanotechnology
Background:
- Intrauterine adhesions (IUAs) are a significant cause of female infertility, often resulting from mechanical damage or infection.
- Current anti-adhesion barriers have limited efficacy due to inadequate endometrial healing, leading to recurrence.
Purpose of the Study:
- To develop a novel second near-infrared (NIR-II) light-responsive shape memory composite for preventing IUAs.
- To enhance endometrial regeneration and reduce IUA recurrence through improved biomaterial design.
Main Methods:
- Fabrication of a composite material combining cuprorivaite (CaCuSi4O10) nanosheets (CUP NSs) and poly(d,l-lactide-co-trimethylene carbonate) (PT).
- Evaluation of the composite's shape memory properties under NIR-II light irradiation.
- Assessment of the anti-adhesion efficacy and endometrial regenerative potential of the composite in vitro and in vivo.
Main Results:
- The CUP/PT composite demonstrated excellent NIR-II light-responsive shape memory behavior.
- The composite functioned effectively as an anti-adhesion barrier, showing improved operational feasibility.
- Released copper (Cu) and silicon (Si) ions from the composite promoted endometrial regeneration via angiogenic bioactivity.
Conclusions:
- The developed NIR-II light-responsive shape memory composite offers a new therapeutic strategy for preventing IUAs.
- This approach enhances tissue reconstruction and restores injured endometrium, addressing a key limitation of existing treatments.
