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. Author manuscript; available in PMC: 2022 Feb 10.
Published in final edited form as: J Control Release. 2020 Dec 27;330:575–586. doi: 10.1016/j.jconrel.2020.12.045

Figure 4. Immune responses to in situ formed PEG hydrogels in subcutaneous areas.

Figure 4.

Skin tissues that attached to 20% PEG hydrogels or 20% Poloxamer 407 hydrogels (control) or dye solutions (control) were collected at the desired times after gel injection and prepared to single cell suspension. Cells were stained by markers to distinguish leukocytes (A) and multiple immune cell subsets (B-F), and then analyzed by flow cytometry. **p < 0.01, from student’s t test.