Neuropeptides Substance P and NPY Rescue Salivary Gland Development in Aging Mouse Models
Substance P and neuropeptide Y promoted salivary gland branching, nerve growth, and cell proliferation in klotho-deficient aging mice through FGF/FGFR/ERK signaling.
Quick Facts
What This Study Found
Substance P and neuropeptide Y regulated embryonic salivary gland branching morphogenesis through the FGF/FGFR pathway in klotho-deficient accelerated aging mice.
Key Numbers
Klotho-deficient (Kl-/-) mice used as accelerated aging model. Both substance P and NPY effects on FGF/FGFR signaling examined.
How They Did This
Animal study examining neuropeptide effects on salivary gland branching morphogenesis in embryonic klotho-knockout mice using morphological analysis and immunostaining.
Why This Research Matters
Understanding how neuropeptides affect organ development during aging could lead to treatments for dry mouth and other age-related gland dysfunction.
The Bigger Picture
This study connects neuropeptide biology to aging and organ development, showing that age-related neuronal dysfunction can impair tissue formation and that neuropeptide replacement may be a viable regenerative strategy.
What This Study Doesn't Tell Us
Mouse model of accelerated aging may not perfectly represent normal aging. Embryonic findings may not directly apply to adult gland function.
Questions This Raises
- ?Can neuropeptide treatment restore salivary gland function in naturally aged adults?
- ?Would local SP/NPY delivery improve xerostomia symptoms in elderly patients?
Trust & Context
- Key Stat:
- FGF/FGFR/ERK signaling pathway through which neuropeptides rescue salivary gland development in aging
- Evidence Grade:
- Preliminary preclinical evidence from an accelerated aging mouse model with pathway validation.
- Study Age:
- Published in 2024, contributing to emerging research on neuropeptide roles in tissue regeneration and aging.
- Original Title:
- Neuropeptides regulate embryonic salivary gland branching through the FGF/FGFR pathway in aging klotho-deficient mice.
- Published In:
- Aging cell, 23(12), e14329 (2024)
- Authors:
- Toan, Nguyen Khanh, Kim, Soo-A, Ahn, Sang-Gun
- Database ID:
- RPEP-09387
Evidence Hierarchy
Frequently Asked Questions
Can neuropeptides help with dry mouth in older adults?
This mouse study suggests they might — substance P and neuropeptide Y rescued salivary gland development that was impaired by aging-related neuronal problems.
How do aging and neuropeptides affect salivary glands?
Aging impairs the nerve signals that guide salivary gland formation. This study showed that supplementing two neuropeptides (SP and NPY) could overcome this deficit by activating FGF/FGFR growth factor pathways.
Read More on RethinkPeptides
Cite This Study
https://rethinkpeptides.com/research/RPEP-09387APA
Toan, Nguyen Khanh; Kim, Soo-A; Ahn, Sang-Gun. (2024). Neuropeptides regulate embryonic salivary gland branching through the FGF/FGFR pathway in aging klotho-deficient mice.. Aging cell, 23(12), e14329. https://doi.org/10.1111/acel.14329
MLA
Toan, Nguyen Khanh, et al. "Neuropeptides regulate embryonic salivary gland branching through the FGF/FGFR pathway in aging klotho-deficient mice.." Aging cell, 2024. https://doi.org/10.1111/acel.14329
RethinkPeptides
RethinkPeptides Research Database. "Neuropeptides regulate embryonic salivary gland branching th..." RPEP-09387. Retrieved from https://rethinkpeptides.com/research/toan-2024-neuropeptides-regulate-embryonic-salivary
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.