ICI	immune checkpoint inhibitor
PD-L1	programmed death-ligand 1
PD-1	programmed cell death protein 1
NSCLC	non-small-cell lung cancer
RCC	renal cell carcinoma
irAE	immune-related adverse event
ABR	auditory brainstem response
DAB	3,3′-diaminobenzidine
HE	hematoxylin/eosin
SGN	spiral ganglion neuron
OHC	outer hair cell
IHC	inner hair cell
NIH	National Institutes of Health
PFA	paraformaldehyde
PBS	phosphate-buffered saline
EDTA	ethylenediamine-tetraacetate
DAPI	4′,6-diamidino-2-phenylindole
Iba1	ionized calcium-binding adaptor molecule 1
HRP	horseradish peroxidase
ANOVA	analysis of variance
SEM	standard error of the mean
Aβ	amyloid-β