Journal of Indian Society of Periodontology · 2025
Evaluation of the impact of curcumin concentrations on the viability of human periodontal ligament cells: An in vitro study.
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Stanley Merita, Rajula Maria Antony Prem Blaise, Shankar Potluri Leela Ravi, Rao Karkala Sunanda, Sairam Amrutha, Jeyakumaran Sanjana
Аннотация
BACKGROUND: Periodontal disease is a chronic inflammatory condition that leads to the destruction of periodontal tissues, exacerbated by bacterial lipopolysaccharide (LPS). Current therapeutic approaches seek to reduce inflammation and promote regeneration. Curcumin, a natural polyphenol with anti-inflammatory and antioxidant properties, may offer a biocompatible alternative for periodontal regeneration by protecting human periodontal ligament cells (hPDLCs) from inflammatory damage.
MATERIALS AND METHODS: The present in vitro study examined the effects of curcumin on hPDLCs exposed to LPS (10 µg/mL) to simulate an inflammatory environment. hPDLCs were divided into four groups: control, curcumin-treated (2.5 µM and 5 µM), LPS-induced inflammation, and LPS with curcumin. Cell viability was assessed using a 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay, and morphological changes were evaluated via phase-contrast microscopy.
RESULTS: Curcumin treatment did not significantly impact cell viability in hPDLCs under noninflammatory conditions, with viability rates exceeding 94%. In LPS-stimulated cells, curcumin at 2.5 µM and 5 µM significantly improved viability from 60.1% (LPS only) to 80.1% and 87.6%, respectively. Morphological assessment revealed that curcumin mitigated LPS-induced cellular damage, promoting normal cell structure and growth.
CONCLUSION: Curcumin demonstrates potential as a therapeutic agent for periodontal regeneration by enhancing cell viability and counteracting LPS-induced cytotoxicity in hPDLCs. This study supports curcumin's role in creating a microenvironment conducive to periodontal tissue repair and highlights its promise for future applications in periodontal therapy.
MATERIALS AND METHODS: The present in vitro study examined the effects of curcumin on hPDLCs exposed to LPS (10 µg/mL) to simulate an inflammatory environment. hPDLCs were divided into four groups: control, curcumin-treated (2.5 µM and 5 µM), LPS-induced inflammation, and LPS with curcumin. Cell viability was assessed using a 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay, and morphological changes were evaluated via phase-contrast microscopy.
RESULTS: Curcumin treatment did not significantly impact cell viability in hPDLCs under noninflammatory conditions, with viability rates exceeding 94%. In LPS-stimulated cells, curcumin at 2.5 µM and 5 µM significantly improved viability from 60.1% (LPS only) to 80.1% and 87.6%, respectively. Morphological assessment revealed that curcumin mitigated LPS-induced cellular damage, promoting normal cell structure and growth.
CONCLUSION: Curcumin demonstrates potential as a therapeutic agent for periodontal regeneration by enhancing cell viability and counteracting LPS-induced cytotoxicity in hPDLCs. This study supports curcumin's role in creating a microenvironment conducive to periodontal tissue repair and highlights its promise for future applications in periodontal therapy.