Figure 5. LGG and Butyrate (But) Do Not Induce Bone Anabolic Effects in Mice that Are Deficient in T Cell Production of Wnt10b.
TCRβ−/− mice were adoptively transferred with WT CD4+ T cells and WT CD8+ T cells, or WT CD4+ T cells and Wnt10b−/− CD8+ T cells.
(A) Whole BM Wnt10b transcript levels.
(B) Wnt10b transcript levels in CD8+ T cells purified from reconstituted TCRβ−/− mice at the end of the LGG or butyrate (but) treatment period.
(C) Prospective measurements of vertebral trabecular bone volume fraction (BV/TV) by in vivo μCT scanning.
(D) Femoral BV/TV as measured by in vitro μCT scanning at the end of the treatment period.
(E) Serum levels of osteocalcin, a marker of bone formation.
n = 5–12 mice per group. In (B), samples from 2 mice were pooled together. Data are expressed as mean ± SEM. All data were normally distributed according to the Shapiro-Wilk normality test. Data were analyzed by two-way ANOVA for repeated-measures and post hoc tests applying the Bonferroni correction for multiple comparisons. *p < 0.05, **p < 0.01, and ****p < 0.0001 compared to the indicated group, or baseline. ##p < 0.01, ###p < 0.001 compared to vehicle. ns = not significant.