Much attention has been paid to three-dimensional cell culture systems in the field of regenerative medicine, since three-dimensional cellular aggregates, or spheroids, are thought to better mimic the in vivo microenvironments compared to conventional monolayer cultured cells. Synthetic calcium phosphate (CaP) materials are widely used as bone substitute materials in orthopedic and dental surgeries. Here we have developed a technique for constructing a hybrid spheroid consisting of mesenchymal stem cells (MSCs) and synthetic CaP materials using a spheroid culture device. We found that the device is able to generate uniform-sized CaP/cell hybrid spheroids rapidly and easily. The results showed that the extent of osteoblastic differentiation from MSCs was different when cells were grown on octacalcium phosphate (OCP), hydroxyapatite (HA), or β-tricalcium phosphate (β-TCP). OCP showed the greatest ability to increase the alkaline phosphatase activity of the spheroid cells. The results suggest that the spheroids with incorporated OCP may be an effective implantable hybrid consisting of scaffold material and cells for bone regeneration. It is also possible that this CaP-cell spheroid system may be used as an in vitro method for assessing the osteogenic induction ability of CaP materials.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6581819 | PMC |
| http://dx.doi.org/10.1016/j.reth.2016.02.004 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Quality Investigation of Pultruded Carbon Fiber Panels Subjected to Four-Point Flexure via Fiber Optic Sensing.
Materials (Basel)
January 2025
Tickle College of Engineering, University of Tennessee, Knoxville, TN 37996, USA.
Pultruded carbon fiber-reinforced composites are attractive to the wind energy industry due to the rapid production of highly aligned unidirectional composites with enhanced fiber volume fractions and increased specific strength and stiffness. However, high volume carbon fiber manufacturing remains cost-prohibitive. This study investigates the feasibility of a pultruded low-cost textile carbon fiber-reinforced epoxy composite as a promising material in spar cap production was undertaken based on mechanical response to four-point flexure loading.
View Article and Find Full Text PDFAnisotropic Microparticles with a Controllable Structure via Soap-Free Seeded Emulsion Polymerization.
Molecules
January 2025
Department of Energy and Power Engineering, Shanxi Institute of Energy, Jinzhong 030600, China.
Anisotropic particles have a wide range of applications in materials science such as emulsion stabilization, oil-water separation, and catalysis due to their asymmetric structure and properties. Nevertheless, designing and synthesizing large quantities of anisotropic particles with controlled morphologies continue to present considerable challenges. In this study, we successfully synthesized anisotropic microspheres using a soap-free seed emulsion polymerization method.
View Article and Find Full Text PDFFrontal Paraventricular Cysts: Refined Definitions and Outcomes.
AJNR Am J Neuroradiol
January 2025
From the Division of Neuroradiology, Department of Radiology (M.T.W., A.M., C.A.P.F.A., O.S, E.S.S.), and Department of Obstetrics and Gynecology (N.K.), Children's Hospital of Philadelphia, Philadelphia, PA, USA; Perelman School of Medicine (M.T.W., N.K., E.S.S.), Philadelphia, PA, USA; Division of Neuroradiology, Department of Radiology (C.A.P.F.A), Boston Children's Hospital, Boston, MA, USA; and Harvard Medical School (C.A.P.F.A), Boston, MA, USA.
Background And Purpose: Frontal paraventricular cystic changes have a varied etiology that includes connatal cysts, subependymal pseudocysts, necrosis, and enlarged perivascular spaces. These may be difficult to distinguish by neuroimaging and have a variety of associated prognoses. We aim to refine the neuroimaging definition of frontal horn cysts and correlate it with adverse clinical conditions.
View Article and Find Full Text PDFArtificial intelligence can help individualize Wilms tumor treatment by predicting tumor response to preoperative chemotherapy.
Investig Clin Urol
January 2025
Department of Urology, Mansoura Urology and Nephrology Center, Mansoura University, Mansoura, Egypt.
Purpose: To create a computer-aided prediction (CAP) system to predict Wilms tumor (WT) responsiveness to preoperative chemotherapy (PC) using pre-therapy contrast-enhanced computed tomography (CECT).
Materials And Methods: A single-center database was reviewed for children <18 years diagnosed with WT and received PC between 2001 and 2021. Patients were excluded if pre- and post-PC CECT were not retrievable.
Facile fabrication of sensing electrode based on CoFe-MOFs/MXene for ultrasensitive detection of picomolar chloramphenicol.
Talanta
January 2025
School of Environment Science and Optoelectronic Technology, University of Science and Technology of China, Hefei, 230026, China; Institute of Solid State Physics, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China. Electronic address:
Precise detection of ultralow-level antibiotics, such as picomole, in aqueous environments is significant for human health, however, it presents a great challenge to the adsorption capacity and electrocatalytic ability of sensing materials. Here, we used a one-step hydrothermal method to in situ grow spindle-like CoFe-based metal-organic frameworks (MOFs) with a size of about 50 nm in the region of hydrophilic MXene-loading hydrophobic carbon paper. By combining MOFs with abundant adsorption sites and MXene with high conductivity, the problems of adsorption and electrons transfer of ultralow-level antibiotics have been solved, and achieving precise detection of picomole-level antibiotics.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!