Article (Scientific journals)
Vitamin D deficiency as a potential risk factor for accelerated aging, impaired hippocampal neurogenesis and cognitive decline: a role for Wnt/β-catenin signaling.
Gómez Oliva, Ricardo; Geribaldi-Doldán, Noelia; Domínguez-García, Samuel et al.
2020In Aging, 12 (13), p. 13824 - 13844
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Keywords :
Wnt signaling; cognitive performance; neural stem cells; neurogenesis; vitamin D; Vitamin D; Aging/physiology; Animals; Cognitive Dysfunction/epidemiology; Cognitive Dysfunction/physiopathology; Cognitive Dysfunction/prevention & control; Dentate Gyrus/cytology; Dentate Gyrus/growth & development; Dentate Gyrus/metabolism; Dentate Gyrus/physiopathology; Dietary Supplements; Disease Models, Animal; Humans; Neural Stem Cells/physiology; Neurogenesis/physiology; Risk Factors; Time Factors; Vitamin D/administration & dosage; Vitamin D/metabolism; Vitamin D Deficiency/diet therapy; Vitamin D Deficiency/epidemiology; Vitamin D Deficiency/physiopathology; Wnt Signaling Pathway/physiology; Aging; Cognitive Dysfunction; Dentate Gyrus; Vitamin D Deficiency; Wnt Signaling Pathway; Cell Biology
Abstract :
[en] Vitamin D is an essential fat-soluble vitamin that participates in several homeostatic functions in mammalian organisms. Lower levels of vitamin D are produced in the older population, vitamin D deficiency being an accelerating factor for the progression of the aging process. In this review, we focus on the effect that vitamin D exerts in the aged brain paying special attention to the neurogenic process. Neurogenesis occurs in the adult brain in neurogenic regions, such as the dentate gyrus of the hippocampus (DG). This region generates new neurons that participate in cognitive tasks. The neurogenic rate in the DG is reduced in the aged brain because of a reduction in the number of neural stem cells (NSC). Homeostatic mechanisms controlled by the Wnt signaling pathway protect this pool of NSC from being depleted. We discuss in here the crosstalk between Wnt signaling and vitamin D, and hypothesize that hypovitaminosis might cause failure in the control of the neurogenic homeostatic mechanisms in the old brain leading to cognitive impairment. Understanding the relationship between vitamin D, neurogenesis and cognitive performance in the aged brain may facilitate prevention of cognitive decline and it can open a door into new therapeutic fields by perspectives in the elderly.
Disciplines :
Neurology
Biochemistry, biophysics & molecular biology
Anatomy (cytology, histology, embryology...) & physiology
Author, co-author :
Gómez Oliva, Ricardo  ;  Université de Liège - ULiège > GIGA > GIGA Neurosciences - Molecular Regulation of Neurogenesis ; Área de Fisiología, Facultad de Medicina, Universidad de Cádiz, Cádiz, Spain ; Instituto de Investigación e Innovación Biomédica de Cádiz, Cádiz, Spain
Geribaldi-Doldán, Noelia;  Instituto de Investigación e Innovación Biomédica de Cádiz, Cádiz, Spain ; Departamento de Anatomía y Embriología Humanas, Facultad de Medicina, Universidad de Cádiz, Cádiz, Spain
Domínguez-García, Samuel;  Área de Fisiología, Facultad de Medicina, Universidad de Cádiz, Cádiz, Spain ; Instituto de Investigación e Innovación Biomédica de Cádiz, Cádiz, Spain
Carrascal, Livia;  Instituto de Investigación e Innovación Biomédica de Cádiz, Cádiz, Spain ; Departamento de Fisiología, Facultad de Farmacia, Universidad de Sevilla, Sevilla, Spain
Verástegui, Cristina;  Instituto de Investigación e Innovación Biomédica de Cádiz, Cádiz, Spain ; Departamento de Anatomía y Embriología Humanas, Facultad de Medicina, Universidad de Cádiz, Cádiz, Spain
Nunez-Abades, Pedro;  Instituto de Investigación e Innovación Biomédica de Cádiz, Cádiz, Spain ; Departamento de Fisiología, Facultad de Farmacia, Universidad de Sevilla, Sevilla, Spain
Castro, Carmen;  Área de Fisiología, Facultad de Medicina, Universidad de Cádiz, Cádiz, Spain ; Instituto de Investigación e Innovación Biomédica de Cádiz, Cádiz, Spain
Language :
English
Title :
Vitamin D deficiency as a potential risk factor for accelerated aging, impaired hippocampal neurogenesis and cognitive decline: a role for Wnt/β-catenin signaling.
Publication date :
17 June 2020
Journal title :
Aging
eISSN :
1945-4589
Publisher :
Impact Journals LLC, United States
Volume :
12
Issue :
13
Pages :
13824 - 13844
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This work was supported by the Spanish Ministerio de Ciencia, Innovaci\u00F3n y Universidades (grant number RTI2018-099908-B-C21), and co-financed by the 2014-2020 ERDF Operational Programme and by the Department of Economy, Knowledge, Business and University of the Regional Government of Andalusia. Project reference: FEDER-UCA18-10664.
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