Browsing by Author "Luu, Abby M."

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A Comprehensive Protocol for the Collection, Differentiation, Cryopreservation, and Resuscitation of Primary Murine Bone Marrow Derived Macrophages (BMDM)
(Informa UK Limited, 2024-08) Luu, Abby M.; Shepardson, Kelly M.; Rynda-Apple, Agnieszka
Background. The field of immunology has undoubtedly benefited from the in vitro use of cell lines for immunological studies; however, due to the “immortal” nature of many cell lines, they are not always the best model. Thus, direct collection and culture of primary cells from model organisms is a solution that many researchers utilize. To the best of our knowledge, there is not a singular protocol which encompasses the entire process of bone marrow cell collection through cryopreservation and resuscitation of cells from a murine model. Methods. Bone marrow cells were collected from mice with a C57BL6 genetic background. Cells were differentiated using L929 conditioned media. Cells were assessed using a combination of microscopy, differential staining, immunocytochemistry, and trypan blue. Results: Primary murine BMDMs that underwent cryopreservation followed by resuscitation retained a high degree of viability. Furthermore, these BMDMs retained on overall ability to clear S. aureus. Results. Primary murine BMDMs that underwent cryopreservation followed by resuscitation retained a high degree of viability. Furthermore, these BMDMs retained on overall ability to clear S. aureus. Conclusion. Crypopreserved and resuscitated primary murine BMDMs were viable and retained their pverall S. aureus clearance ability.