Leu-Leu-ome hydrochloride?is a lysosomal condensation product that cytotoxic towards natural killer cells and CD4+ and CD8+ T lymphocytes.

Human PTH-(1-31) is the 1-31 fragment of human PTH. Human PTH-(1-31) stimulates the release of cAMP and also is a weaker stimulator of the 25-hydroxyvitamin D-1α-hydroxylase. Human PTH-(1-31) induces bone formation without inducing bone resorption. Human PTH-(1-31) has the potential for the research of osteoporosis.

4-Methylumbelliferyl-α-D-Glucopyranoside (4-Methylumbelliferyl-α-D-Glucose) is a fluorescent substrate for α-glucosidase, which releases the fluorescent moiety 4-methylumbelliferyl (4-MU) upon cleavage. 4-MU has pH-dependent fluorescence excitation activity, with excitation wavelengths of 320 nm at low pH (1.97-6.72) and 360 nm at high pH (7.12-10.3), respectively. The emission wavelength of 4-Methylumbelliferyl-α-D-Glucopyranoside increases with decreasing pH, ranging from 445-455 nm. 4-Methylumbelliferyl-α-D-Glucopyranoside can be used as a biomarker for Fabry and Pompe diseases to quantify α-glucosidase activity in infant blood spot samples.