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Mitochondrial quality control in cardiomyocytes: safeguarding the heart against disease and ageing

1 week 5 days ago
Mitochondria are multifunctional organelles that are important for many different cellular processes, including energy production and biosynthesis of fatty acids, haem and iron-sulfur clusters. Mitochondrial dysfunction leads to a disruption in these processes, the generation of excessive reactive oxygen species, and the activation of inflammatory and cell death pathways. The consequences of mitochondrial dysfunction are particularly harmful in energy-demanding organs such as the heart. Loss of...
Rishith Ravindran

Sociodemographic Factors in Older Adults' Gait Speed Decline: A Gender Disaggregate Growth Curve Analysis of the Ibadan Longitudinal Study of Ageing

1 week 5 days ago
BackgroundGait speed is an important predictor of older adults' well-being. We estimated the influence of sociodemographic factors on the gait speed decline of community-dwelling older Nigerians.MethodsUsing the Ibadan Study of Ageing (2007, 2008, and 2009 cycles), we completed a gender disaggregate analysis of sociodemographic influences on participants' gait speed trajectory using mixed-design ANOVA and growth curve analysis.ResultsAt baseline, 53.2% of participants were female, 61.9% were...
Ogochukwu Kelechi Onyeso

Synaptic architecture of a memory engram in the mouse hippocampus

1 week 5 days ago
Science, Volume 387, Issue 6740, March 2025.
Marco Uytiepo, Yongchuan Zhu, Eric Bushong, Katherine Chou, Filip Souza Polli, Elise Zhao, Keun-Young Kim, Danielle Luu, Lyanne Chang, Dong Yang, Tsz Ching Ma, Mingi Kim, Yuting Zhang, Grant Walton, Tom Quach, Matthias Haberl, Luca Patapoutian, Arya…