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Author:

Wang, Pei (Wang, Pei.) | Wang, Yun (Wang, Yun.) | Yi, Yang (Yi, Yang.) | Gong, Yan (Gong, Yan.) | Ji, Haoran (Ji, Haoran.) | Gan, Yuci (Gan, Yuci.) | Xie, Fei (Xie, Fei.) | Fan, Jinchen (Fan, Jinchen.) | Wang, Xiansong (Wang, Xiansong.)

Indexed by:

EI Scopus SCIE

Abstract:

Patients with diabetic foot ulcers usually suffer from inefficient epithelisation and angiogenesis accompanied by chronic wound healing. Diabetic foot ulcers remain a major challenge in clinical medicine; however, traditional treatments are incapable of transdermal drug delivery, resulting in a low drug delivery rate. We report the development of Ti2C3 MXenes-integrated poly-gamma-glutamic acid (gamma-PGA) hydrogel microneedles to release asiaticoside (MN-MXenes-AS). Asiaticoside was loaded into PGA-MXenes hydrogel to facilitate cell proliferation while regulating angiogenesis. The characterisation and mechanical strength of the microneedles were investigated in vitro, and the wound-healing efficacy of the microneedles was confirmed in diabetic mice. MXenes significantly improved the mechanical strength of microneedles, while gamma-PGA hydrogels provided a moist microenvironment for wound healing. Mice treated with MN-MXenes-AS demonstrated obvious improvements in wound healing process. We successfully fabricated an MXenes-integrated microneedle that possesses sufficient rigidity to penetrate the cuticle for subcutaneous drug delivery, thereby accelerating diabetic wound healing. We demonstrated that MN-MXenes-AS is effective in promoting growth both in vivo and in vitro. Collectively, our data show that MN-MXenes-AS accelerated the healing of diabetic foot ulcers, supporting the use of these microneedles in the treatment of chronic wounds.

Keyword:

MXenes Asiaticoside Microneedle Angiogenesis Diabetic foot ulcer

Author Community:

  • [ 1 ] [Wang, Pei]Shanghai Jiao Tong Univ, Shanghai Ninth Peoples Hosp, Dept Thorac Surg, Shanghai Key Lab Tissue Engn,Sch Med, Shanghai 200011, Peoples R China
  • [ 2 ] [Wang, Yun]Shanghai Jiao Tong Univ, Shanghai Ninth Peoples Hosp, Dept Thorac Surg, Shanghai Key Lab Tissue Engn,Sch Med, Shanghai 200011, Peoples R China
  • [ 3 ] [Gong, Yan]Shanghai Jiao Tong Univ, Shanghai Ninth Peoples Hosp, Dept Thorac Surg, Shanghai Key Lab Tissue Engn,Sch Med, Shanghai 200011, Peoples R China
  • [ 4 ] [Ji, Haoran]Shanghai Jiao Tong Univ, Shanghai Ninth Peoples Hosp, Dept Thorac Surg, Shanghai Key Lab Tissue Engn,Sch Med, Shanghai 200011, Peoples R China
  • [ 5 ] [Gan, Yuci]Shanghai Jiao Tong Univ, Shanghai Ninth Peoples Hosp, Dept Thorac Surg, Shanghai Key Lab Tissue Engn,Sch Med, Shanghai 200011, Peoples R China
  • [ 6 ] [Wang, Xiansong]Shanghai Jiao Tong Univ, Shanghai Ninth Peoples Hosp, Dept Thorac Surg, Shanghai Key Lab Tissue Engn,Sch Med, Shanghai 200011, Peoples R China
  • [ 7 ] [Yi, Yang]Univ Shanghai Sci & Technol, Sch Mat & Chem, Shanghai 200093, Peoples R China
  • [ 8 ] [Fan, Jinchen]Univ Shanghai Sci & Technol, Sch Mat & Chem, Shanghai 200093, Peoples R China
  • [ 9 ] [Xie, Fei]Beijing Univ Technol, Fac Environm & Life, Beijing 100124, Peoples R China

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Source :

JOURNAL OF NANOBIOTECHNOLOGY

Year: 2022

Issue: 1

Volume: 20

1 0 . 2

JCR@2022

1 0 . 2 0 0

JCR@2022

ESI Discipline: BIOLOGY & BIOCHEMISTRY;

ESI HC Threshold:43

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 41

SCOPUS Cited Count: 42

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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