Table 2.

Histopathological assessment of 22 animal model studies of spinal cord injury, as sorted by frequency

Viewing area	Staining	Number of sample	References
VMN perikaryal size	Nissl staining	108	Shimizu et al., 2018
		60	Bell et al., 2017
		40	Liu et al., 2004
VMN nuclear size	DAPI staining	108	Shimizu et al., 2018
		60	Bell et al., 2017
Density of myelinated axons	NF/Tubulin/MBP co-immunofluorescence staining	10	Chen et al., 2016
		43	Choo et al., 2009
Number of surviving cells	NeuN/Nissl staining	10	Chen et al., 2016
		23	Wang et al., 2019
		23	Seifert et al., 2011
		9	Han et al., 2022
Voltage gated potassium channels	Kv1.2	43	Choo et al., 2009
Histologic changes in gray and white matter	Ink perfusion	40	Wu et al., 2017
	Corrosion casts	40	Wu et al., 2017
	H&E	32	Wu et al., 2016
		43	Choo et al., 2009
		13	Hong et al., 2016
		23	Seifert et al., 2011
		60	Bell et al., 2017
		40	Liu et al., 2004
		50	Maiman et al., 1989
		20	Yang et al., 2013
		9	Liang et al., 2022
		9	Han et al., 2022
	Weil’s staining	50	Maiman et al., 1989
	Kluver-Barrera myelin	32	Wu et al., 2016
	Bodian-Bielschowsky
	Toluidine blue
	LFB staining	10	Chen et al., 2016
		20	Yang et al., 2013
		9	Liang et al., 2022

H&E: Hematoxylin and eosin; LFB: Luxol fast blue; MBP: myelin basic protein; VMN: ventral motor neurons.