- Immobilization stress elevates gene expression for catecholamine biosynthetic enzymes and some neuropeptides in rat sympathetic ganglia: effects of adrenocorticotropin and glucocorticoids. Nankova, B., Kvetnansky, R., Hiremagalur, B., Sabban, B., Rusnak, M., Sabban, E.L. Endocrinology (1996)