Albumin nano-encapsulation of piceatannol enhances its anticancer potential in colon cancer via downregulation of nuclear p65 and HIF-1α

Alaa A.A. Aljabali, Hamid A. Bakshi, Faruk L. Hakkim, Yusuf A. Haggag, Khalid M. Albatanyeh, Mazhar S. Al Zoubi, Bahaa Al-Trad, Mohamed M. Nasef, Saurabh Satija, Meenu Mehta, Kavita Pabreja, Vijay Mishra, Mohammed Khan, Salem Abobaker, Ibrahim M. Azzouz, Harish Dureja, Ritesh M. Pabari, Ashref Ali K. Dardouri, Prashant Kesharwani, Gaurav GuptaShakti Dhar Shukla, Parteek Prasher, Nitin B. Charbe, Poonam Negi, Deepak N. Kapoor, Dinesh Kumar Chellappan, Mateus Webba da Silva, Paul Thompson, Kamal Dua, Paul McCarron, Murtaza M. Tambuwala

Research output: Contribution to journalArticlepeer-review

80 Scopus citations

Abstract

Piceatannol (PIC) is known to have anticancer activity, which has been attributed to its ability to block the proliferation of cancer cells via suppression of the NF-kB signaling pathway. However, its effect on hypoxia-inducible factor (HIF) is not well known in cancer. In this study, PIC was loaded into bovine serum albumin (BSA) by desolvation method as PIC–BSA nanoparticles (NPs). These PIC–BSA nanoparticles were assessed for in vitro cytotoxicity, migration, invasion, and colony formation studies and levels of p65 and HIF-1α. Our results indicate that PIC–BSA NPs were more effective in downregulating the expression of nuclear p65 and HIF-1α in colon cancer cells as compared to free PIC. We also observed a significant reduction in inflammation induced by chemical colitis in mice by PIC–BSA NPs. Furthermore, a significant reduction in tumor size and number of colon tumors was also observed in the murine model of colitis-associated colorectal cancer, when treated with PIC–BSA NPs as compared to free PIC. The overall results indicate that PIC, when formulated as PIC–BSA NPs, enhances its therpautice potential. Our work could prompt further research in using natural anticancer agents as nanoparticels with possiable human clinical trails. This could lead to the development of a new line of safe and effective therapeutics for cancer patients.

Original languageEnglish (US)
Article number113
JournalCancers
Volume12
Issue number1
DOIs
StatePublished - Jan 2020
Externally publishedYes

Bibliographical note

Funding Information:
Funding: Financial support for this work was provided by Ulster University in the form of the Research ChallengeFund(RCF-2014)strategicawardtoDrMurtazaM.Tambuwala

Publisher Copyright:
© 2020 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

  • Albumin nanoparticles
  • Colon cancer
  • HIF-1α
  • Nuclear P65
  • Piceatannol

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