4.7 Article

Cholesterol homeostasis: Researching a dialogue between the brain and peripheral tissues

期刊

PHARMACOLOGICAL RESEARCH
卷 163, 期 -, 页码 -

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ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.phrs.2020.105215

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Cholesterol homeostasis; Neurological diseases; Lipoproteins; miRNAs; Oxysterols; Cardiovascular risk factors

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  1. MIUR [PONO3PE_00078_1, PONO3PE_00078_2]

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Cholesterol homeostasis plays a crucial role in human body, impacting cell physiology, hormone synthesis, and lipid metabolism. The metabolism of cholesterol in central nervous system and peripheral system is regulated differently, and imbalance in cholesterol levels can lead to various diseases.
Cholesterol homeostasis is a highly regulated process in human body because of its several functions underlying the biology of cell membranes, the synthesis of all steroid hormones and bile acids and the need of trafficking lipids destined to cell metabolism. In particular, it has been recognized that peripheral and central nervous system cholesterol metabolism are separated by the blood brain barrier and are regulated independently; indeed, peripherally, it depends on the balance between dietary intake and hepatic synthesis on one hand and its degradation on the other, whereas in central nervous system it is synthetized de novo to ensure brain physiology. In view of this complex metabolism and its relevant functions in mammalian, impaired levels of cholesterol can induce severe cellular dysfunction leading to metabolic, cardiovascular and neurodegenerative diseases. The aim of this review is to clarify the role of cholesterol homeostasis in health and disease highlighting new intriguing aspects of the cross talk between its central and peripheral metabolism.

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