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Limbal niche cells (LNCs) serve as essential regulators of limbal microenvironmental homeostasis and corneal epithelial wound repair, representing a promising therapeutic resource for limbal stem cell deficiency (LSCD). However, their clinical application is constrained by replicative aging during in vitro expansion. In this study, we investigated whether a three-dimensional (3D) Matrigel-based culture system could modulate replicative aging in LNCs. Compared with conventional two-dimensional...

Bone marrow-derived macrophages were shown to play an important role in coping with Alzheimer's disease (AD). Boosting their spontaneous recruitment reduces inflammation and disease pathology and slows cognitive decline in mouse models of amyloidosis. However, the factors limiting their spontaneous homing to the diseased brain remain unclear. In this study, we discovered that monocyte development is impaired in mouse models and in patients. In the 5×FAD mouse model, monocyte differentiation was...

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