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Abstract Title:

Chemopreventive activity of Tualang honey against oral squamous cell carcinoma-in vivo.

Abstract Source:

Oral Surg Oral Med Oral Pathol Oral Radiol. 2020 Mar 13. Epub 2020 Mar 13. PMID: 32173393

Abstract Author(s):

May Al-Koshab, Aied M Alabsi, Marina Mohd Bakri, Manimalar Selvi Naicker, Atefehalsadat Seyedan

Article Affiliation:

May Al-Koshab

Abstract:

OBJECTIVE: The aim of this study was to evaluate the chemopreventive activity of Malaysian jungle Tualang honey (TH) after oral carcinogenesis induced with 4-nitroquinoline 1-oxide (4 NQO).

STUDY DESIGN: A total of 28 male Sprague-Dawley (SD) rats were distributed into 4 groups as follows: group 1 (nontreated group); group 2 (control), which received 4 NQO during 8 weeks in drinking water only; and groups 3 and 4, which received 4 NQO for 8 weeks in drinking water and treated with TH 1000 mg/kg and 2000 mg/kg by oral gavage for 10 weeks. All rats from all experiments were sacrificed after 22 weeks, and the incidence of oral neoplasms and histopathologic changes were microscopically evaluated. Moreover, immunohistochemical expression was analyzed in tongue specimens by using image analysis software. The expression of particular genes associated with oral cancer were assessed by using RTProfiler PCR Array (Qiagen, Germantown, MD).

RESULTS: TH significantly reduced the incidence of oral squamous cell carcinoma (OSCC) and suppressed cancer cell proliferation via diminishing the expression of CCND1, EGFR, and COX-2. Furthermore, TH preserved cellular adhesion (epithelial polarity) through overexpression ofβ-catenin and e-cadherin and inhibited the OSCC aggressiveness by downregulating TWIST1 and RAC1.

CONCLUSIONS: Our data suggest that TH exerts chemopreventive activity in an animal model in which oral cancer was induced by using 4 NQO.

Study Type : Animal Study

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