Table I. Protein expression of PHPT1 in mouse and human tissues. Mouse E14.5 Mouse adult Human adult 70 X.-Q. Zhang et al. Name of tissues Brain Choroid plexus epithelium Ependymal cells of ventricles Cells in the hippocampus Cerebral cortex Glia cells Neuronal cells Cerebellum Cells in granular layer Cells in molecular layer Purkinje cells Intestine and stomach Surface epithelium Smooth muscle Liver Bile duct epithelium Hepatocytes Kupffer cells Pancreas Interlobular duct epithelium Islet cells Acinar cells Spleen Cells in red pulp Cells in white pulp Lung Alveolar epithelium Alveolar macrophages Epithelium of bronchioles and bronchi Testis Seminiferous tubules Spermatogonia Spermatocytes Spermatids Interstitial cells Epididymis Ductal epithelium Kidney Cells in glomeruli Cells in tubules Proximal tubules Distal tubules Henle’s loops Collecting tubules Adrenal glands Cortical cells Medullar cells Bone and cartilage Epidermal cells Muscle Heart muscle Skeletal muscle Smooth muscle of vessels aPositive cells are found within the zona glomerulosa. ND not determined; no signal; weak signal; moderate signal; strong signal. ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND / / / / / / / / / ND ND / / a ND ND ND ND / ND ND ND ND ND ND