Single-cell transcriptomic atlas of taste papilla aging.

Wenwen Ren, Weihao Li, Xudong Cha, Shenglei Wang, Boyu Cai, Tianyu Wang, Fengzhen Li, Tengfei Li, Yingqi Xie, Zengyi Xu, Zhe Wang, Huanhai Liu, Yiqun Yu

Department of Otolaryngology, The Second Affiliated Hospital of the Naval Medical University (Shanghai Changzheng Hospital), Shanghai, China.Department of Otolaryngology, The Second Affiliated Hospital of the Naval Medical University (Shanghai Changzheng Hospital), Shanghai, China. · pubmed

Paper

Abstract

Taste perception is one of the important senses in mammals. Taste dysfunction causes significant inconvenience in daily life, leading to subhealth and even life-threatening condition. Aging is a major cause to taste dysfunction, while the underlying feature related to gustatory aging is still not known. Using single-cell RNA Sequencing, differentially expressed genes between aged and young taste papillae are identified, including upregulated mt-Nd4l and Xist, as well as downregulated Hsp90ab1 and Tmem59. In the Tmem59

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Research summary

The paper investigates the molecular changes in taste papillae associated with aging, which is relevant to understanding the biological mechanisms of aging and taste dysfunction. However, while it provides insights into gene expression changes, it does not address the root causes of aging or propose interventions for lifespan extension. The findings contribute to the field but are more of a solid research effort with limited broader implications.

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