Journal
SCIENCE ADVANCES
Volume 8, Issue 14, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.abj7110
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Funding
- Ministerio de Economia y Competitividad [SAF2017-83289-R, SAF2017-90604REDT, BIO2016-77430-R]
- Comunidad de Madrid [B2017/BMD-3724]
- Instituto de Salud Carlos III [CB/16/00228]
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Thyroid hormones play a role in protecting mice from cerebral malaria by inducing disease tolerance. The activation of Sirtuin 1 is involved in this protection, suggesting it as a potential target for cerebral malaria treatment.
The modulation of the host's metabolism to protect tissue from damage induces tolerance to infections increasing survival. Here, we examined the role of the thyroid hormones, key metabolic regulators, in the outcome of malaria. Hypothyroidism confers protection to experimental cerebral malaria by a disease tolerance mechanism. Hypothyroid mice display increased survival after infection with Plasmodium berghei ANKA, diminishing intracranial pressure and brain damage, without altering pathogen burden, blood-brain barrier disruption, or immune cell infiltration. This protection is reversed by treatment with a Sirtuin 1 inhibitor, while treatment of euthyroid mice with a Sirtuin 1 activator induces tolerance and reduces intracranial pressure and lethality. This indicates that thyroid hormones and Sirtuin 1 are previously unknown targets for cerebral malaria treatment, a major killer of children in endemic malaria areas.
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