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The effect of caffeine on the regeneration of Brown Planaria (Dugesia tigrina)

Lazorik et al. | May 10, 2019

The effect of caffeine on the regeneration of Brown Planaria (Dugesia tigrina)

The degeneration of nerve cells in the brain can lead to pathologies such as Parkinson’s disease. It has been suggested that neurons in humans may regenerate. In this study, the effect of different doses of caffeine on regeneration was explored in the planeria model. Caffeine has been shown to enhance dopamine production, and dopamine is found in high concentrations in regenerating planeria tissues. Higher doses of caffeine accelerated planeria regeneration following decapitation, indicating a potential role for caffeine as a treatment to stimulate regeneration.

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Modulation of planaria regeneration by Resolvin D1 and the omega-3 fatty acid precursor 17-hydroxy docosahexaenoic acid

Chan et al. | Aug 13, 2019

Modulation of planaria regeneration by Resolvin D1 and the omega-3 fatty acid precursor 17-hydroxy docosahexaenoic acid

Omega-3 fatty acids ingested in the diet are essential for regulating many functions in the body including controlling inflammation in chronic conditions such as arthritis as asthma. Omega-3 fatty acid derived lipid mediators have been implicated in resolving inflammation, tissue homeostasis and wound healing. To further explore this effect, Chan and Chatterjee measured the impact of supplementation with lipid mediator Resolvin D1 and its precursor 17-HDHA on planaria regeneration. For the first time planaria have been shown to synthesize RvD1 from 17-DHA. Further, both RvD1 and 17-DHA enhanced regeneration showing potential for enhanced regenerative responses in tissues.

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