Oral cancer’s new enemy: Goniothalamus umbrosus targets oral squamous cell carcinoma and spare human gingival fibroblast cells

Che Aziz, Nuraini and Mustafa Al-Ahmad, Basma Ezzat and Kashmola, Muhanad Ali Hamdon and Lestari, Widya and Nik Mohd Rosdy, Nik Mohd Mazuan and Mokhtar@Makhtar, Khairani Idah (2025) Oral cancer’s new enemy: Goniothalamus umbrosus targets oral squamous cell carcinoma and spare human gingival fibroblast cells. European Journal of Dentistry, 19 (2). pp. 457-463. ISSN 1305-7456 E-ISSN 1305-7464

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Abstract

Objective: Oral squamous cell carcinoma (OSCC) is the prevailing type of oral cancer, representing poor prognosis and elevated mortality rates. Major risk factors for OSCC include the use of tobacco products, alcohol consumption, betel quid chewing, and genetic mutation. Goniothalamus umbrosus is traditionally consumed by cancer patients to fight against tumor growth. To date, research on the anticancer potential of G. umbrosus in oral cancer remains deficient. This study aimed to evaluate the anticancer potential of G. umbrosus in OSCC cell lines (SCC-15 and HSC-3) and compare its cytotoxic activity on human gingival fibroblast (HGF) cell lines. Material and Methods: Leaves of G. umbrosus were cleaned, air dried, ground, and soaked for 24 hours with methanol and hexane repeatedly three times, respectively. Pooled extracts of each solvent were then dried with a rotary evaporator. Anticancer potential of G. umbrosus extracts was evaluated on two OSCC cell lines (SCC-15 and HSC-3) and a normal HGF cell line incubated for 24, 48, and 72 hours by 3-(4,5-dimethylthiazol- 2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The cytotoxicity of cisplatin was assessed as a positive control. Morphological changes of cells were observed under an inverted microscope. Results: MTT assay revealed that G. umbrosus methanol extract (GUME) displayed moderate anticancer activity on SCC-15, HSC-3, and HGF cell lines with IC50 values of 126.67, 90.5, and 87.33 μg/mL following 72 hours’ incubation times, respectively. G. umbrosus hexane extract (GUHE) exerted moderate anticancer activity against SCC-15 and HSC-3 cell lines with IC50 values of 171 and 174 μg/mL, respectively, but weak cytotoxicity against the HGF cell line with IC50 value of 343.5 μg/mL. Cisplatin exerted a strong cytotoxic impact on both OSCC and HGF cell lines. Morphological observation revealed the characteristics of cells undergoing apoptosis. Conclusion: The findings show that GUHE was more selective in inhibiting the proliferation of oral cancer cells than GUME by exerting moderate cytotoxicity on OSCC cell lines and weak cytotoxicity in HGF cells, while GUME exerted moderate cytotoxicity on both. These findings suggest a more targeted anticancer effect by GUHE as compared with cisplatin, which exerted nonselective cytotoxic activity. These findings provide a groundwork for the development of more targeted plant-based treatment for oral cancer.

Item Type:	Article (Journal)
Uncontrolled Keywords:	Goniothalamus umbrosus, oral squamous cell carcinoma, human gingival fibroblast, selective cytotoxicity
Subjects:	R Medicine > RK Dentistry
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Dentistry Kulliyyah of Dentistry > Department of Fundamental Dental and Medical Sciences
Depositing User:	Dr Basma Al-Ahmad
Date Deposited:	18 Apr 2025 11:08
Last Modified:	18 Apr 2025 11:08
URI:	http://irep.iium.edu.my/id/eprint/120666

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