Background: To improve peptide receptor radionuclide therapy (PRRT). we aimed to enhance the expression of somatostatin type-2 receptors (SSTR2) in vitro and in vivo. using valproic acid (VPA). Methods: Human NCI-H69 small-cell lung carcinoma cells were treated with VPA. https://chefesquipmenters.shop/product-category/accessories-vacuum-sealer-parts/