Impaired calcium sensing distinguishes primary hyperparathyroidism (PHPT) patients with low bone mineral density. Weber TJ, Koh J, Thomas SM, Hogue JA, Scheri RP, Roman SA, Sosa JA Metabolism. 2017 09; 74:22-31.; PubMed β-Amyloid as a new target to suppress tonic PTH hypersecretion in primary hyperparathyroidism. Tu CL, Cheng Z, Szeto N, Savransky S, Glinin T, Shoback DM, Sosa JA, Vilardaga JP, Koh J, Chang W medRxiv. 2025 May 28.; PubMed Ex Vivo Intact Tissue Analysis Reveals Alternative Calcium-sensing Behaviors in Parathyroid Adenomas. Koh J, Zhang R, Roman S, Duh QY, Gosnell J, Shen W, Suh I, Sosa JA J Clin Endocrinol Metab. 2021 10 21; 106(11):3168-3183.; PubMed Polyclonal origin of parathyroid tumors is common and is associated with multiple gland disease in primary hyperparathyroidism. Shi Y, Azimzadeh P, Jamingal S, Wentworth S, Ferlitch J, Koh J, Balenga N, Olson JA Surgery. 2018 01; 163(1):9-14.; PubMed Digital spatial profiling of human parathyroid tumors reveals cellular and molecular alterations linked to vitamin D deficiency. Tu CL, Chang W, Sosa JA, Koh J PNAS Nexus. 2023 Mar; 2(3):pgad073.; PubMed Parathyroid-Targeted Overexpression of Regulator of G-Protein Signaling 5 (RGS5) Causes Hyperparathyroidism in Transgenic Mice. Balenga N, Koh J, Azimzadeh P, Hogue J, Gabr M, Stains JP, Olson JA J Bone Miner Res. 2019 05; 34(5):955-963.; PubMed Amyloid-β as a target to suppress tonic PTH hypersecretion in hyperparathyroidism due to vitamin D deficiency. Tu CL, Cheng Z, Szeto N, Savransky S, Glinin T, Herberger A, Shoback DM, Sosa JA, Vilardaga JP, Koh J, Chang W Sci Transl Med. 2026 Mar 18; 18(841):eadz2837.; PubMed Live-Cell Visualization of Calcium Flux in Vibratome-Cut Thick Sections of Viable Tumor Tissue. Koh J, Hogue JA, Sosa JA Curr Protoc Cell Biol. 2017 Dec 11; 77:4.34.1-4.34.16.; PubMed Effects of Multi-stage Procurement on the Viability and Function of Human Donor Parathyroid Glands. Kelly YM, Ward C, Zhang R, Syed S, Stock PG, Duh QY, Sosa JA, Koh J J Surg Res. 2022 08; 276:404-415.; PubMed Transcriptional profiling reveals distinct classes of parathyroid tumors in PHPT. Koh J, Hogue JA, Roman SA, Scheri RP, Fradin H, Corcoran DL, Sosa JA Endocr Relat Cancer. 2018 04; 25(4):407-420.; PubMed