Web1 apr 2024 · The model antigen DQ-Ova, which fluoresces upon processing by proteases inside the cell, was used to assess phagocytic capacity of the cells. Macrophages were … Web26 ago 2024 · In this study, using mouse bone marrow-derived dendritic cells (BMDC) as antigen-presenting cells and Ovalbumin (OVA)/DQ-Ovalbumin (DQ-OVA) as model …
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Web29 ott 2024 · DQ-OVA emits fluorescent signals only when enzymatically degraded. We found that DQ-OVA–loaded monocytes were 100% fluorescence positive ( Supplemental Figure 2H ), and the fluorescent DQ-OVA was localized within vesicular structures in the monocytes ( Supplemental Figure 2I ). DQ ovalbumin is a fluorogenic substrate for proteases. A strong fluorescence quenching effect is observed when proteins are heavily labeled with BODIPY dyes. Upon hydrolysis of the DQ ovalbumin to single, dye-labeled peptides by proteases, this quenching is relieved, producing brightly fluorescent products. For Research Use Only. john register motivational speaker
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Web11 mag 2015 · DQ-OVA is minimally fluorescent while OVA is intact, but upon proteolytic processing of OVA, the fluorophore is unquenched, resulting in a large increase in fluorescence. Cell culture media on the cells was replaced with fresh TC-1 media, and the NE-OVA solution was then added to the media to obtain final concentrations of 0.025%, … Web31 mar 2016 · For in vivo DQ-OVA labeing, mice were injected intradermally into one ear with 20μl of 1mg/ml DQ-OVA while the other ear was left untreated. 24 hours later, mice were euthanized, ears were collected and single cell suspensions of dermis and epidermis were prepared as described above for analysis by flow cytometry. Web5 mar 2024 · Following intratumoural injection of DQ-OVA, tumours and lymph nodes were collected for analysis. b DQ-OVA processing by CAFs, LECs or BECs as a percentage … john register appliance fairport ny