21. It is thought that these recruited cells maintain homeostasis under healthy conditions. 22. Sleep homeostasis is involved in both the onset and maintenance of sleep. 23. This transporter is a major regulator of cellular cholesterol and phospholipid homeostasis . 24. BiP is also necessary for adipogenesis and glucose homeostasis in adipose tissues. 25. Several SIRT2 deacetylation targets play important roles in metabolic homeostasis . 26. This gene is thought to play an important role in calcium homeostasis . 27. This indicates a role for KLK7 in maintaining skin homeostasis . 28. Additionally, MLP is indirectly related to calcium homeostasis and energy metabolism. 29. Boron's lifelong research interest has been acid-base homeostasis . 30. Regulation of homeostasis is essential to the survival of animals.