Heterochronic parabiosis reprograms the mouse brain transcriptome by shifting aging signatures in multiple cell types

M Ximerakis, KM Holton, RM Giadone, C Ozek… - Nature Aging, 2023 - nature.com
Aging is a complex process involving transcriptomic changes associated with deterioration
across multiple tissues and organs, including the brain. Recent studies using heterochronic …

Multi-omic rejuvenation and lifespan extension on exposure to youthful circulation

B Zhang, DE Lee, A Trapp, A Tyshkovskiy, AT Lu… - Nature aging, 2023 - nature.com
Heterochronic parabiosis (HPB) is known for its functional rejuvenation effects across
several mouse tissues. However, its impact on biological age and long-term health is …

Molecular hallmarks of heterochronic parabiosis at single-cell resolution

R Pálovics, A Keller, N Schaum, W Tan, T Fehlmann… - Nature, 2022 - nature.com
The ability to slow or reverse biological ageing would have major implications for mitigating
disease risk and maintaining vitality. Although an increasing number of interventions show …

[HTML][HTML] Heterochronic parabiosis induces stem cell revitalization and systemic rejuvenation across aged tissues

S Ma, S Wang, Y Ye, J Ren, R Chen, W Li, J Li, L Zhao… - Cell Stem Cell, 2022 - cell.com
The young circulatory milieu capable of delaying aging in individual tissues is of interest as
rejuvenation strategies, but how it achieves cellular-and systemic-level effects has remained …

Old blood from heterochronic parabionts accelerates vascular aging in young mice: Transcriptomic signature of pathologic smooth muscle remodeling

T Kiss, Á Nyúl-Tóth, R Gulej, S Tarantini, T Csipo… - Geroscience, 2022 - Springer
Vascular aging has a central role in the pathogenesis of cardiovascular diseases
contributing to increased mortality of older adults. There is increasing evidence that, in …

Cell-type-specific aging clocks to quantify aging and rejuvenation in neurogenic regions of the brain

MT Buckley, ED Sun, BM George, L Liu, N Schaum… - Nature Aging, 2023 - nature.com
The diversity of cell types is a challenge for quantifying aging and its reversal. Here we
develop 'aging clocks' based on single-cell transcriptomics to characterize cell-type-specific …

Heterochronic parabiosis regulates the extent of cellular senescence in multiple tissues

MJ Yousefzadeh, JE Wilkinson, B Hughes, N Gadela… - Geroscience, 2020 - Springer
An increase in the burden of senescent cells in tissues with age contributes to driving aging
and the onset of age-related diseases. Genetic and pharmacologic elimination of senescent …

Single-cell transcriptomic profiling of the aging mouse brain

M Ximerakis, SL Lipnick, BT Innes, SK Simmons… - Nature …, 2019 - nature.com
The mammalian brain is complex, with multiple cell types performing a variety of diverse
functions, but exactly how each cell type is affected in aging remains largely unknown. Here …

Rejuvenation of cerebromicrovascular function in aged mice through heterochronic parabiosis: insights into neurovascular coupling and the impact of young blood …

R Gulej, Á Nyúl-Tóth, B Csik, B Petersen, J Faakye… - Geroscience, 2024 - Springer
Age-related impairment of neurovascular coupling (NVC;“functional hyperemia”) is a critical
factor in the development of vascular cognitive impairment (VCI). Recent geroscience …

The role of the microenvironmental niche in declining stem-cell functions associated with biological aging

NA DeCarolis, ED Kirby… - Cold Spring …, 2015 - perspectivesinmedicine.cshlp.org
Aging is strongly correlated with decreases in neurogenesis, the process by which neural
stem and progenitor cells proliferate and differentiate into new neurons. In addition to stem …