Cited by 1,081Neurogenesis and neuroplasticity mechanismsNeuroscience and Neuropharmacology ResearchGenetics, Aging, and Longevity in Model Organisms

Young blood reverses age-related impairments in cognitive function and synaptic plasticity in mice

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Villeda, Saul A, Plambeck, Kristopher E, Middeldorp, Jinte, Castellano, Joseph M, Mosher, Kira I, Luo, Jian, Smith, Lucas K, Bieri, Gregor +10 more·2014·Nature Medicine

Abstract

As human lifespan increases, a greater fraction of the population is suffering from age-related cognitive impairments, making it important to elucidate a means to combat the effects of aging. Here we report that exposure of an aged animal to young blood can counteract and reverse pre-existing effects of brain aging at the molecular, structural, functional and cognitive level. Genome-wide microarray analysis of heterochronic parabionts--in which circulatory systems of young and aged animals are connected--identified synaptic plasticity-related transcriptional changes in the hippocampus of aged mice. Dendritic spine density of mature neurons increased and synaptic plasticity improved in the hippocampus of aged heterochronic parabionts. At the cognitive level, systemic administration of young blood plasma into aged mice improved age-related cognitive impairments in both contextual fear conditioning and spatial learning and memory. Structural and cognitive enhancements elicited by exposure to young blood are mediated, in part, by activation of the cyclic AMP response element binding protein (Creb) in the aged hippocampus. Our data indicate that exposure of aged mice to young blood late in life is capable of rejuvenating synaptic plasticity and improving cognitive function.

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  • Blood from young mice may rejuvenate organs, with old mice showing improvements in synaptic plasticity and cognitive behavior in a parabiosis model.

    “A study using a parabiosis mouse model comprising young and old mice indicates that blood from young mice may rejuvenate organs, where old mice showed improvements in synaptic plasticity and cognitive behavior [520].”
  • Possible mechanisms of young blood rejuvenation include activation of CREB in the hippocampus and canonical neuroprotective mechanisms.

    “The possible mechanisms include the activation of cAMP response element binding protein (CREB) in the hippocampus and canonical neuroprotective mechanisms.449,450”
  • Heterochronic parabiosis with young blood in old mice increased neurogenesis and dendritic spine density and improved age-related cognitive impairment.

    “Recent heterochronic parabiosis experiments demonstrated that introduction of young blood in old mice led to increased neurogenesis and dendritic spine density, and improved age-related cognitive impairment, (Katsimpardi et al., 2014; Villeda et al., 2014).”

    From Alzheimer Disease: An Update on Pathobiology and Treatment Strategies (2019) · cites this paper as Villeda et al., 2014

  • Genes that regulate lifespan in animal models and human studies, and multiple experimental paradigms, have demonstrated that it is possible to manipulate ageing biology to rejuvenate physiological functioning in complex model organisms.

    “Genes that regulate lifespan in animal models6–9 and human studies10–14 as well as multiple experimental paradigms, such as caloric restriction, heterochronic parabiosis and partial epigenetic reprogramming, have demonstrated that it is possible to manipulate ageing biology to ‘rejuvenate’ physiological functioning in complex model organisms15–28.”

    From Measuring biological age using omics data (2022) · cites this paper as [15]

  • Studies on heterochronic parabiosis and plasma exchange in animals have demonstrated that circulating proteins can have a causal influence on ageing phenotypes across the body, including in skeletal muscle, heart and brain.

    “Studies on heterochronic parabiosis and plasma exchange in animals have demonstrated that circulating proteins can have a causal influence on ageing phenotypes across the body, including in skeletal muscle107,108, heart109 and brain15,110–112.”

    From Measuring biological age using omics data (2022) · cites this paper as [15]

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  1. [29]Gould TD Mood and Anxiety Related Phenotypes in Mice: Characterization Using Behavioral Tests Humana Press New York 2009

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Authors
Villeda, S. A., Plambeck, K. E., Middeldorp, J., Castellano, J. M., Mosher, K. I., Luo, J., Smith, L. K., Bieri, G., Lin, K., Berdnik, D., Wabl, R., Udeochu, J., Wheatley, E. G., Zou, B., Simmons, D. A., Xie, X. S., Longo, F. M., & Wyss-Coray, T.
Affiliations
  • University of California, San Francisco (US)
  • Stanford Medicine (US)
  • AfaSci (United States) (US)
Corresponding author
Villeda, Saul A
Venue
Nature Medicine
Published
2014-05-04
Volume
20
Issue
6
Pages
659-663
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W1978927200
Cited by
1,081
References
36
Citations by year
2026: 55 · 2025: 84 · 2024: 101 · 2023: 93 · 2022: 99 · 2021: 90 · 2020: 118 · 2019: 85 · 2018: 81 · 2017: 91 · 2016: 69 · 2015: 77 · 2014: 36 · 2013: 1
FWCI
31.66
Type
journal article
Language
en
Open access
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (DP5-OD1217, UL1TR001085, DP5OD012178, UL1TR000004)
  • University of California, San Francisco
  • National Institute on Aging (AG03144, AG045034, R01AG045034, F31AG034045)
  • National Institute of Mental Health (T32MH020016)
  • National Institute of General Medical Sciences (T32GM008568)
  • National Center for Research Resources (UL1RR025744)
  • National Center for Advancing Translational Sciences
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (T32HD007470)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
young blood, brain aging, cognitive impairment, synaptic plasticity, dendritic spine density, hippocampus, learning and memory, contextual fear conditioning, spatial learning, CREB, gene expression changes, aging reversal
MeSH terms
Age Factors, Aging, Animals, Blood Transfusion, Cell Line, Cognition Disorders, Hippocampus, Immunohistochemistry, Mice, Inbred C57BL, Neuronal Plasticity, Parabiosis, Blotting, Western, Polymerase Chain Reaction, Cyclic AMP Response Element-Binding Protein, DNA Primers, Microarray Analysis, Mice

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