Homeopathy
DOI: 10.1055/s-0042-1747683
Original Research Article

The In-Vitro Effect of Homeopathically Prepared Rubus idaeus and 680 nm Laser Irradiation on Cervical Cancer Cells

Kelley S. Joubert
1   Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
2   Department of Complementary Medicine, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
,
Blassan P. George
1   Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
,
Radmila Razlog
2   Department of Complementary Medicine, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
,
Heidi Abrahamse
1   Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
› Author Affiliations
Funding This research was funded by the South African Research Chairs Initiative of the Department of Science and Technology and National Research Foundation of South Africa, grant number 98337.

Abstract

Background Cervical cancer (CC) is the second leading female cancer in South Africa and is the most common in those aged 15 to 44 years. Medicinal plant extracts have been used as homeopathic preparations for health benefits. Rubus idaeus (RI) is used to treat disorders of the female genital tract and produces cytotoxic effects. However, the use of homeopathically prepared RI in combination with low level laser therapy has not previously been explored.

Aim The study aims to investigate the in-vitro effects of homeopathically prepared RI alone and in combination as a potential photosensitizer with Low-level laser irradiation (LLLI) at fluencies of 5, 10, and 15 J/cm2.

Methods HeLa CC cells were treated with RI (D3, D6, and 30cH homeopathic preparations). Cells were then treated with RI IC50 and 680 nm laser diode at 5, 10, and 15 J/cm2 fluencies, and the results compared with untreated control cells. Trypan blue viability, lactate dehydrogenase (LDH) cytotoxicity, and adenosine triphosphate (ATP) proliferation assays were used to analyze the cellular dose-responses along with inverted microscopy, Hoechst staining and Annexin-V/PI staining.

ResultsRI D3 alone demonstrated an ability to reduce cellular viability to 59% and also to reduce ATP levels. The subsequent combined treatment protocol of RI D3 with all fluencies of laser demonstrated an increase in cellular ATP and increased LDH levels compared with the control.

Conclusion The increased ATP and LDH levels observed in the combined treatment protocol of 680 nm laser and RI D3 at fluencies of 5, 10 and 15 J/cm2, show that the Warburg effect might have been induced in the CC cells – an increase in glucose uptake and the preferential production of lactate, even in the presence of oxygen. More research, including work on other cell lines, needs to be conducted to identify if RI and perhaps a different wavelength of laser irradiation could have the potential in inducing cell death in cancer cells.

Authors' Contributions

K.S.J. contributed to study conceptualization, methodology, formal analysis, and preparing the —original draft manuscript. B.P.G. contributed to the conceptualization, supervision, project administration, and writing—review and editing. R.R. carried out supervision, project administration, and writing—review and editing. H.A. was responsible for funding acquisition, supervision, project administration, and writing—review and editing. All authors read and agreed to the submitted version of the manuscript.




Publication History

Received: 17 October 2021

Accepted: 20 January 2022

Article published online:
14 July 2022

© 2022. Faculty of Homeopathy. This article is published by Thieme.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany