Whereas methylcellulose cultures have been valuable for biochemical studies on hemopoiesis in vitro, it has been difficult to study cellular morphology in these cultures. We have found that clotting factors can be added at any time during the culture period and non-adherent cells become entrapped in a semisolid clot. The clot can be removed, fixed and stained for detailed microscopic examination.
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Biopolymers
January 2025
Institute of Biomedical Engineering, Boğaziçi University, Istanbul, Turkey.
Cartilage damage resulting from trauma demonstrates a poor capacity for repair due to its avascular nature. Cartilage tissue engineering offers a unique therapeutic option for cartilage recovery. In this study, methylcellulose (MC)/gelatin (GEL) hydrogels (MC10G20, MC12.
View Article and Find Full Text PDFJ Funct Biomater
December 2024
Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China.
Surgery is considered the gold standard for treating melanoma, but the high recurrence rate after surgery still remains as a major challenge. Therefore, using doxorubicin (DOX) as a model drug, this study investigated the 3D printing of anticancer drug-loaded hydrogel blend scaffolds for inhibiting post-operation melanoma recurrence and for promoting tissue regeneration. Three-dimensional printing could successfully produce methacrylate-modified chitosan (CSMA) and methylcellulose (MC) hydrogel blend scaffolds.
View Article and Find Full Text PDFJ Transl Med
December 2024
Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
Stem cells derived from the apical papilla (SCAPs) play a crucial role in tooth root development and dental pulp regeneration. They are important seed cells for bone/tooth tissue engineering. However, replicative senescence remains an unavoidable issue as in vitro amplification increases.
View Article and Find Full Text PDFStem Cell Rev Rep
December 2024
Etablissement Français du Sang Nouvelle Aquitaine, CS21010, Bordeaux-Cedex, 3035, France.
To ensure the preservation of functional hematopoietic stem cells (HSC) and committed progenitor cells (HPC) at + 4 °C in ex vivo expanded cord blood cell products during worldwide transportation and subsequent infusion-without the need for washing and cell concentration-we developed a conservation medium called Stabilizer of Expanded Cells (SEC), composed exclusively of injectable pharmacological products. The in vivo engraftment assay in immunodeficient mice was used to detect primitive HSCs before and after preservation at + 4 °C. In some experiments, a complex phenotype based on CD34, CD38, and CD133 expression was utilized for this purpose.
View Article and Find Full Text PDFMicrob Biotechnol
December 2024
Ocean Genome Legacy Center, Northeastern University, Nahant, Massachusetts, USA.
Teredinibacter turnerae is a cultivable cellulolytic Gammaproteobacterium (Cellvibrionaceae) that commonly occurs as an intracellular endosymbiont in the gills of wood-eating bivalves of the family Teredinidae (shipworms). The genome of T. turnerae encodes a broad range of enzymes that deconstruct cellulose, hemicellulose and pectin and contribute to wood (lignocellulose) digestion in the shipworm gut.
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