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Gut Microbiome and Circadian Interactions with Platelets Across Human Diseases, including Alzheimer's Disease, Amyotrophic Lateral Sclerosis, and Cancer

Published on Friday, 01 August 2025

Abstract

Platelets have traditionally been investigated for their role in clot formation in the course of cardiovascular diseases and strokes. However, recent work indicates platelets to be an integral aspect of wider systemic processes, with relevance to the pathophysiology of a host of diverse medical conditions, including neurodegenerative disorders and cancer.

This article reviews platelet function and interactions with the gut microbiome and circadian systems, highlighting the role of the platelet mitochondrial melatonergic pathway in determining platelet activation, fluxes and plasticity.

This provides a number of novel conceptualizations of platelet function and mode of interaction with other cell types, including in the pathoetiology and pathophysiology of diverse medical conditions, such as cancer, Alzheimer's disease, and amyotrophic lateral sclerosis.

It is proposed that a platelet-gut axis allows platelets to contribute to many of the pathophysiological processes linked to gut dysbiosis and gut permeability. This is at least partly via platelet sphingosine- 1-phosphate release, which regulates enteric glial cells and lymphocyte chemotaxis, indicating an etiological role for platelets in a wide array of medical conditions linked to alterations in the gut microbiome.

Platelets are also an important regulator of the various microenvironments that underpin most human medical conditions, including the tumor microenvironment, neurodegenerative diseases, and autoimmune disorders.

Platelet serotonin release regulates the availability of the mitochondrial melatonergic pathway systemically, thereby being an important determinant of the dynamic metabolic interactions occurring across cell types that underpin the pathoetiology of many medical conditions. In addition, a number of novel and diverse future research directions and treatment implications are proposed.

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- The Di Bella Method (A Fixed Part - Melatonin tablets. From 30-40mg/day up to 200mg/day and more 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 - All-Trans Retinoic Acid, Analogues and/or Derivatives - Approximately 60mg per day orally: 40mg per day Beta-Carotene/β-Carotene, 10mg per day ATRA and 10mg per day Axerophthol palmitate);

- All-Trans-Retinoic Acid (ATRA - analogues and/or derivatives) - In vitro, review and in vivo publications;

- Solution of retinoids in vitamin E in the Di Bella Method biological multitherapy;

- The Di Bella Method (A Fixed Part - Alpha tocopheryl acetate/Vitamin E, approximately 20 grams per day orally);

- Cancer and Vitamin E (analogues and/or derivatives) and cancer - In vitro, review and in vivo publications;

- 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 - Calcium, 2 grams per day, orally);

- The Di Bella Method (A Variable Part - Omega 3 Essential/Unsaturated Fatty Acids. From 1.5 grams up to 3.0 grams per day orally);

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