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Study explains why adults’ hearts don’t regenerate
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Study explains why adults’ hearts don’t regenerate

by University of Pittsburgh Electron microscopy images of fetal (left) and infant (right) rodent heart cell nuclei. As heart cells develop, the number of nuclear pores decreases. Credit: Han et al., 2022, Developmental Cell, 10.1016/j.devcel.2022.09.017 As heart cells mature in mice, the number of communication pathways called nuclear pores dramatically decreases, according to new research from...