An injectable hydrogel for hemostasis and tumor suppression in intraoperative breast cancer.

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Tác giả: Yongmei Chen, Wei Han, Nan Jiang, Jianhui Li, Guangshuai Lin, Wudang Lu, Bin Shang, Yue Wang, Shuhan Wu, Xulong Zhu

Ngôn ngữ: eng

Ký hiệu phân loại: 949.59012 *Greece

Thông tin xuất bản: Netherlands : Biomaterials advances , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 710434

In the period between surgery and systemic therapy for breast cancer, residual tumor cells may proliferate, leading to tumor recurrence. Additionally, intraoperative wound bleeding may cause surgical failure or the spread of tumor cells. This study introduces an innovative injectable hydrogel composed of oxidized hyaluronic acid (OHA) loaded 5-fluorouracil (5-FU) and N-carboxyethyl chitosan (CEC), designed for intraoperative hemostasis and tumor suppression in intraoperative breast cancer. The CEC/OHA injectable hydrogel was synthesized through a Schiff base reaction between the aldehyde group of OHA and the amino group of CEC, incorporating 5-FU during hydrogel formation. This CEC/OHA injectable hydrogel demonstrated hemostatic effects comparable to gelatin sponges in both an in vivo rat liver hemorrhage model and an in vitro rat tail amputation model. When loaded with 5-FU, the injectable hydrogel effectively inhibited the proliferation of MDA-MB-231 breast cancer cells in vitro, significantly inhibited tumor growth and recurrence in vivo, and did not induce significant damage or inflammatory response in any major organ. This CEC/OHA & 5-FU injectable hydrogel is envisioned as a complementary therapeutic regimen during the intraoperative period in breast cancer surgery to prevent hemostasis and tumor recurrence.
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