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๐ง Macrophages Lost, ๐ Capillaries Impaired, ๐ Aging Accelerated
Manage episode 515588185 series 2740117
๐ง Aging skin, fading flow. This 2025 Nature study uncovers how dermal capillary-associated macrophages (CAMs) decline with ageโpreceding microvascular dysfunction and impaired blood flow.
๐งฌ Using intravital imaging and macrophage fate mapping in mice (and validating in humans!), the authors reveal that CAMs are not replenished unless triggered by injury or CSF1. ๐ ๏ธ Fascinatingly, local CSF1โFc therapy restored CAMs and rejuvenated perfusion in aged skin. A compelling case for targeting tissue-resident immunity! ๐ฉธ
๐ doi:10.1038/s41586-025-09639-y
787 episodes
Manage episode 515588185 series 2740117
๐ง Aging skin, fading flow. This 2025 Nature study uncovers how dermal capillary-associated macrophages (CAMs) decline with ageโpreceding microvascular dysfunction and impaired blood flow.
๐งฌ Using intravital imaging and macrophage fate mapping in mice (and validating in humans!), the authors reveal that CAMs are not replenished unless triggered by injury or CSF1. ๐ ๏ธ Fascinatingly, local CSF1โFc therapy restored CAMs and rejuvenated perfusion in aged skin. A compelling case for targeting tissue-resident immunity! ๐ฉธ
๐ doi:10.1038/s41586-025-09639-y
787 episodes
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