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Review
. 2023 Apr 6;12(4):558.
doi: 10.3390/biology12040558.

Humanin and Its Pathophysiological Roles in Aging: A Systematic Review

Donatella Coradduzza  1 , Antonella Congiargiu  1 , Zhichao Chen  1 , Sara Cruciani  1 , Angelo Zinellu  1 , Ciriaco Carru  1   2 , Serenella Medici  3
Affiliations
Review

Humanin and Its Pathophysiological Roles in Aging: A Systematic Review

Donatella Coradduzza et al. Biology (Basel). .

Abstract

Background: Senescence is a cellular aging process in all multicellular organisms. It is characterized by a decline in cellular functions and proliferation, resulting in increased cellular damage and death. These conditions play an essential role in aging and significantly contribute to the development of age-related complications. Humanin is a mitochondrial-derived peptide (MDP), encoded by mitochondrial DNA, playing a cytoprotective role to preserve mitochondrial function and cell viability under stressful and senescence conditions. For these reasons, humanin can be exploited in strategies aiming to counteract several processes involved in aging, including cardiovascular disease, neurodegeneration, and cancer. Relevance of these conditions to aging and disease: Senescence appears to be involved in the decay in organ and tissue function, it has also been related to the development of age-related diseases, such as cardiovascular conditions, cancer, and diabetes. In particular, senescent cells produce inflammatory cytokines and other pro-inflammatory molecules that can participate to the development of such diseases. Humanin, on the other hand, seems to contrast the development of such conditions, and it is also known to play a role in these diseases by promoting the death of damaged or malfunctioning cells and contributing to the inflammation often associated with them. Both senescence and humanin-related mechanisms are complex processes that have not been fully clarified yet. Further research is needed to thoroughly understand the role of such processes in aging and disease and identify potential interventions to target them in order to prevent or treat age-related conditions.

Objectives: This systematic review aims to assess the potential mechanisms underlying the link connecting senescence, humanin, aging, and disease.

Keywords: aging and diseases; humanin; senescence.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Humanin molecule, whose sequence is: Met-Ala-Pro-Arg-Gly-Phe-Ser-Cys-Leu-Leu-Leu-Leu-Thr-Ser-Glu-Ile-Asp-Leu-Pro-Val-Lys-Arg-Arg-Ala [36].
Figure 2
Figure 2
PRISMA flow diagram; n is the number of articles selected, * total number, ** other topics.
See this image and copyright information in PMC

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