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. 2022 Mar 28;15(4):668–682. doi: 10.1038/s41385-022-00503-0

Fig. 2. IgA-producing plasma cells are absent in the BM and accumulate in the mesenteric lymph nodes of KLF2-deficient mice.

Fig. 2

a Flow cytometric analysis of PB/PC defined as CD138+/TACI+ for SP, BM, Blood, mLN and PP or CD138+/ENPP1+ for colon LP (cLP) divided into IgA+, IgM+ and IgA/IgM PB/PC isotypes of of WT cre+ control (upper plots) and KLF2 cKO (lower plots) mice; numbers indicate the percentage of cells in the respective gates; b bar charts show the arithmetic mean with SEM of CD138+/TACI+ PB/PC frequencies (left diagram), frequencies of TACI+/CD138+/IgA+ (mid diagram) and total cell numbers of TACI+/CD138+/IgA+ (right diagram) from SP, BM, mLN, PP and the blood from WT cre+ mice (white circles, white bars) and KLF2 cKO mice (black squares, gray bars); N = 2 experiments with n = 6–7 (blood and PP) and n = 12 (SP, BM, mLN) mice; statistical analyses were performed for genotype comparison by unpaired t-test. For cLP: bar charts show the arithmetic mean with SEM of CD138+/ENPP1+ PB/PC frequencies (left diagram) and frequencies of IgA+ PB/PC (right diagram) of KLF2 cKO (gray bars, black squares) and WT cre+ control (white bars, white circles) mice; n = 4; statistics were calculated by using an unpaired t-test. FI fluorescence intensity, BM bone marrow, SP spleen, mLN mesenteric lymph nodes, PP Peyer’s patches, cLP colon lamina propria, ns non-significant; *p < 0.05; **p < 0.01; ***p < 0.005; ****p < 0.001.