. 2019 Sep 6;9:12860. doi: 10.1038/s41598-019-49009-z

Table 1.

Michaelis-Menten Kinetic Parameters of [¹⁴C]-L-Leu Uptake into Mouse Primary Neurons and Astrocytes, and Immortalized Microglia.

Cell Type	V_max (nmol/min/mg protein)	K_m (µM)	V_max/K_m
Primary Cortical Neurons	1.90 ± 0.44	145.7 ± 47.3	0.013
Primary Astrocytes	2.92 ± 0.36	65.9 ± 14.3	0.044
Immortalized microglia	0.84 ± 0.12	85.8 ± 19.4	0.010