In another model of secondary osteoporosis, in which osteoporosis is induced by vitamin A, Lactobacillus plantarum HFY15 or Lactobacillus fermentum ZS40 isolated from yak yogurt restored BV/TV and other trabecular properties in rats and increased Wnt10b levels in the bone (Liu et al., 2020d; Liu et al., 2020f). The gene discussed is WNT10B; the disease is osteoporosis.