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Co-treatment with melatonin and ortho-topolin riboside exhibits anti-proliferation activity in radioresistant MDA-MB-231 cells by altering metabolic and transcriptomic profiles

Published on Thursday, 06 February 2025

Abstract

Radiation therapy represents the primary treatment option for triple-negative breast cancer. However, radio resistance is associated with a poor prognosis and an increased risk of recurrence.

Radioresistant MDA-MB-231 cells, a radioresistant triple-negative breast cancer cell line, were co-treated with ortho-topolin riboside and melatonin.

The energy metabolism, metabolic profile, and transcriptomic profile of these cells were studied using XFe, gas chromatography, and next-generation sequencing. The combination treatment simultaneously inhibited glycolysis and mitochondrial respiration and inhibited the glycolytic transport chain by decreasing ATP5MC1 and ATP5ME1 gene expression, which synthesize ATP synthase, resulting in a decrease in aspartate, a precursor to pyrimidine.

Furthermore, reduced CDA and NME1 gene expression impeded pyrimidine metabolism. Conversely, augmented AKR1C2 and AKR1C3 expression and elevated CDKN1A expression, which synthesizes p21, curtailed cell proliferation.

Additionally, diminished TSNAX-DISC1 and CYP1B1 expression similarly restrained cell proliferation, potentially by reducing Wnt/β-catenin signaling.

These findings may represent a novel therapeutic approach for patients with radioresistant triple-negative breast cancer.

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About this publication.

The Di Bella's Method: Use of Melatonin and pseudo-Metronomic Chemotherapy Cyclophosphamide and/or Hydroxyurea (together with others chemical compounds) in Breast Cancer:

- The Synergism of Somatostatin, Melatonin, Vitamins Prolactin and Estrogen Inhibitors Increased Survival, Objective Response and Performance Status In 297 Cases of Breast Cancer;

- Complete objective response, stable for 5 years, with the Di Bella Method, of multiple-metastatic carcinoma of the breast;

- Evaluation of the safety and efficacy of the first-line treatment with somatostatin combined with melatonin, retinoids, vitamin D3, and low doses of cyclophosphamide in 20 cases of breast cancer: a preliminary report;

- The Di Bella Method (DBM) improved survival, objective response and performance status in a retrospective observational clinical study on 122 cases of breast cancer;

- Complete objective response to biological therapy of plurifocal breast carcinoma;

- The Di Bella Method (A Fixed Part - Melatonin tablets. From 30-40mg/day up to 200mg/day orally in patients with advanced stage of cancer disease and/or patients without respond to traditional treatments);

- Melatonin use in cancer patients have started in 1974, when melatonin prepared according to Prof. Di Bella’s formulation [...]. For 11 days was administered to the patient, admitted to the general medical ward at the Maggiore-Pizzardi Hospital in Bologna, very slowly (over approx. 8 hours) and intravenously administered 1000 mg of melatonin for 11 days. During the course of each day, the patient was intravenously administered 4 saline drips of 500 ml, each containing ten 25 mg bottles of freeze-dried melatonin, lasting 2 hours, totaling 1000 mg per day. No other drug of any kind was administered in order to ascertain the effect of the MLT without interference [...]. From Melatonin with adenosine solubilized in water and stabilized with glycine for oncological treatment - technical preparation, effectivity and clinical findings;

- About Melatonin - In vitro, review and in vivo publications;

- Publication: Melatonin anticancer effects: Review (from Di Bella's Foundation);

- Publication: Key aspects of melatonin physiology: 30 years of research (from Di Bella's Foundation);

- The Di Bella Method (A Fixed Part - Cyclophosphamide 50mg tablets and/or Hydroxyurea 500mg tablets, one or two per day);

- The Di Bella Method (A Fixed Part - Somatostatin, Octreotide, Sandostatin LAR, analogues and/or derivatives);

- Somatostatin in oncology, the overlooked evidences - In vitro, review and in vivo publications;

- Publication, 2018 Jul: Over-Expression of GH/GHR in Breast Cancer and Oncosuppressor Role of Somatostatin as a Physiological Inhibitor (from Di Bella's Foundation);

- Publication, 2018 Sep: The over-expression of GH/GHR in tumour tissues with respect to healthy ones confirms its oncogenic role and the consequent oncosuppressor role of its physiological inhibitor, somatostatin: a review of the literature (from Di Bella's Foundation);

- Publication, 2019 Aug: The Entrapment of Somatostatin in a Lipid Formulation: Retarded Release and Free Radical Reactivity (from Di Bella's Foundation);

- Publication, 2019 Sep: Effects of Somatostatin and Vitamin C on the Fatty Acid Profile of Breast Cancer Cell Membranes (from Di Bella's Foundation);

- Publication, 2019 Sep: Effects of somatostatin, curcumin, and quercetin on the fatty acid profile of breast cancer cell membranes (from Di Bella's Foundation);

- Publication, 2020 Sep: Two neuroendocrine G protein-coupled receptor molecules, somatostatin and melatonin: Physiology of signal transduction and therapeutic perspectives (from Di Bella's Foundation);