The effectiveness of commercial bone adhesives is known to be hampered by the weak efficacy of cell ingrowth. The strategy of macropore‐forming, especially bioactive macropores, holds considerable promise to circumvent this problem, thereby promoting fracture healing. Herein, a class of bioactive glass‐involved macropore‐embedded bone adhesives is developed, which is capable of facilitating the migration of bone‐derived mesenchymal stromal cells into the adhesive layer and differentiation into osteocytes. The integration of bioactive glass‐particle‐encapsulated porogens in the bone adhesives is key to this approach. A robust instant bonding on the bone adhesive and a high efficiency of bone regeneration on a mouse skull are observed, both of which are vital for clinical applications and personalized surgical procedures. This work represents a general strategy to design biomaterials with high cell‐ingrowth efficacy.
Bone infection is a devastating disease with recurrent, drug-resistant, and high morbidity features, that have prompted clinicians and scientists to develop novel approaches to combat it. Currently, although numerous biomaterials...
In article number 1907491, Fang Zhou, Yan Qiao, Dong Qiu, and co‐workers develop a bioactive macropore‐forming strategy for bone adhesives to improve cell‐ingrowth efficacy. By integrating porogens with pre‐encapsulated bioactive glass particles, cell migration and differentiation are facilitated, and an enhanced instant bonding strength and a high efficiency of bone regeneration are demonstrated.
It is been over 100 years since glial cells were discovered by Virchow. Since then, a great deal of research was carried out to specify these further roles and properties of glial cells in central nervous system (CNS). As it is well-known that glial cells, such as astrocytes, microglia, oligodendrocytes (OLs), and oligodendrocyte progenitor cells (OPCs) play an important role in supporting and enabling the effective nervous system function in CNS. After spinal cord injury (SCI), these glial cells play different roles in SCI and repair. In this review, we will discuss in detail about the role of glial cells in the healthy CNS and how they respond to SCI.
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