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A novel folic acid hydrogel loading β-cyclodextrin/camptothecin inclusion complex with effective antitumor activity

  • Mingfang MaEmail author
  • Wenqing Shang
  • Ruxiao Jia
  • Ruijiao ChenEmail author
  • Min Zhao
  • Chaoqun Wang
  • Mingyan Tian
  • Shulei Yang
  • Aiyou HaoEmail author
Original Article
  • 26 Downloads

Abstract

Folic acid, as a significant vitamin, is essential for human bodies, especially for pregnant women. However, folic acid hydrogel for drug delivery has not been reported until now. Herein, folic acid hydrogel was prepared by ion inducing method firstly. Then β-cyclodextrin/camptothecin inclusion complex was loaded into folic acid hydrogel successfully by co-assembly. Camptothecin loading folic acid hydrogel has good rheological mechanical property and thermodynamic stability. Moreover, the possible mechanism of hydrogel formation was proposed by energy dispersive spectrometer and small-angle X-ray scattering. Besides, compared to camptothecin itself, camptothecin release rate from camptothecin loaded hydrogel was prolongated remarkably through dialysis experiment. Finally, the cell inhibitory rate of camptothecin loading folic acid hydrogel was increased observably compared to camptothecin itself. Hence, as a green drug delivery system, our folic acid hydrogel has important potential application in medical engineering material.

Graphic Abstract

Herein, a novel β-cyclodextrin/camptothecin inclusion complex loaded folic acid hydrogel was constructed by elaborate design and preparation, which can load camptothecin into folic acid hydrogel effectively. Moreover, compared to camptothecin itself, camptothecin release rate from camptothecin loaded hydrogel was prolongated remarkably through dialysis experiment. Finally, the cell inhibitory rate of camptothecin loading folic acid hydrogel was increased observably compared to camptothecin itself. Hence, as a green drug delivery system, our folic acid hydrogel has important potential application in medical engineering material.

Keywords

Folic acid Hydrogel Camptothecin Drug delivery Antitumor activity 

Notes

Acknowledgements

We greatly acknowledge financial support by National Natural Science Foundation of China (Grant Nos. 21807041, 21872087), Shandong Provincial Natural Science Foundation (Grant No. ZR2019PB006), Projects of Medical and Health Technology Development Program in Shandong Province (Grant No. 2017WS653), NSFC Cultivation Project of Jining Medical University (Grant No. JYP2018KJ12), the PhD Start-up Scientific Research Foundation of Jining Medical University (Grant No. 2017JYQD03), Supporting Fund for Teacher’s Research of Jining Medical University (Grant No. JY2017KJ038), the Undergraduate Training Programs for Innovation of Jining Medical University (No. cx2018022).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

10847_2019_962_MOESM1_ESM.doc (2.5 mb)
Supplementary material 1 (DOC 393 kb)

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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Laboratory of New Antitumor Drug Molecular Design and Synthesis of Jining Medical University & College of Basic MedicineJining Medical UniversityJiningPeople’s Republic of China
  2. 2.Obstetrical Department of Jining First People’s HospitalJiningPeople’s Republic of China
  3. 3.Key Laboratory of Colloid and Interface Chemistry of Ministry of Education & School of Chemistry and Chemical EngineeringShandong UniversityJinanPeople’s Republic of China

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