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Modifying heart cell metabolism unlocks self-repair system after heart attack

Researchers at Sanford Burnham Prebys discovered that blocking an energy transfer enzyme shifts mammalian hearts into a regenerative state, promoting regeneration and improving recovery after a heart attack. By modulating heart cell metabolism, scientists can potentially awaken the heart's dormant regenerative abilities.

SourceSanford Burnham Prebys·JournalNature Cardiovascular Research·TypeExperimental study·DateSep 28, 2026

Aging-linked cells emerge as unexpected allies in tendon healing

Recent studies suggest that p16INK4a+ cells, previously thought to be non-beneficial due to their association with aging, actually contribute to tendon regeneration. These mesenchymal cells produce collagen and factors promoting new blood vessel and nerve growth, crucial for normal tendon function.

SourceEditorial Office of West China School of Stomatology, Sichuan University·JournalBone Research·TypeExperimental study·DateJul 3, 2026

Scaffold-free cartilage produced using embryonic-derived mesenchymal stem cell spheroids

A new study demonstrates the potential to produce cellular spheroids from clinically relevant embryonic stem cells to generate scaffold-free chondrogenic or osteochondrogenic graft tissues. The researchers successfully cultured ES-MSC cellular spheroids, which matured into neocartilage tissues expressing cartilage-associated genes.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalTissue Engineering Part A·TypeExperimental study·DateAug 13, 2025

Aging disrupts osteocyte networks and bone structure, with greater impact in males

Researchers used a premature aging mouse model to study the effects of age and sex on osteocyte networks and bone structure. Aged PolgA mice showed accelerated skeletal aging, reduced osteocyte connectivity, and increased frailty, with males exhibiting more pronounced changes.

SourceEditorial Office of West China School of Stomatology, Sichuan University·JournalBone Research·TypeExperimental study·DateJun 10, 2025

Adult stem cells transform faster with two lasers

Scientists from the University of Johannesburg found that shining two lasers on adult stem cells accelerates their transformation into different types of cells. The consecutive irradiation increases proliferation and differentiation under laboratory conditions, paving the way for potential therapies to repair damaged tissues.

SourceUniversity of Johannesburg·JournalBiochimie·TypeExperimental study·DateOct 26, 2021