Review Article

Functional Test Scales for Evaluating Cell-Based Therapies in Animal Models of Spinal Cord Injury

Table 1

Animal models of stem cell injury (SCI) and multifaceted approaches to cellular therapies.

ReferenceSCI animal modelMaterials for scaffoldApplied cellsRecovery timeTests for motor functionFunctional outcomeBBB score

ltosaka et al., 2009RatT8HemisectionFibrin fibersBMSC4 weeksBBBImproved15
Okuda, 2017T8TransectionCell sheet4 weeksBBBImproved5
Kang et al., 2011T8-9TransectionPLGA scaffoldMSC4 weeksBBBImproved10
Yang, 2017T9-10TransectionPLGA scaffold4 weeksBBBImproved7
Hejcl et al., 2010T8-9CompressionHPMA-RGD hydrogel35 weeksBBB, plantar testImproved10
Hatami et al., 2009T10HemisectionType1 collagen dropletNSC5 weeksBBBImproved19
Nomura et al., 2008T8TransectionChitosan channels12 weeksBBBNo effect9
Bozkurt et al., 2010T8Compression9 weeksBBBNo effect11
Teng et al., 2002T9-10HemisectionPLGA scaffold10 weeksBBBImproved10
Du et al., 2011T9-10Transection8 weeksBBB, Incline testImproved9
Johnson et al., 2010T9HemisectionFibrin scaffold8 weeksBBB, Grid walkNo effectData not shown
Ye, 2016T10ContrusionSelf-assembling peptide nanofiber5 weeksBBBImproved12
Mothes, 2013T2CompressionHyaluronan-methy cellulose gel9 weeksBBBNo effect12
Liu et al., 2015T10TransectionPLGA scaffoldiNSC10 weeksBBBImproved14
PLGA-PEG scaffold10 weeksBBBImproved17
Olson et al., 2009T8-9TransectionPLGA scaffoldSC4 weeksBBBNo effect1
Wang et al., 2011T10TransectionGelform8 weeksBBB, incline testImproved8
Hurtado et al., 2006T9-10TransectionPDL tubular scaffold6 weeksBBBNo effect7
Joosten et al., 2004T7-9TransectionCollagen gelAstrocyte4 weeksBBB, grid, catwalkNo effect13
Rochkind et al., 2006T7–8TransectionDextran-gelatin tubeNOM, SCC12 weeksBBBNo effect10
Zhang et al., 2016T9ContrusionChitosan scaffoldhDPSC4 weeksBBBImproved12
Pritchard et al., 2010PrimateT9HemisectionPLGA scaffoldNSC6 weeksBabu scaleImproved15
Nemati, 2013C5–L1ContrusionDirect injection49 weeksTarlov’s scaleImproved1.75

T: thoracic; C: cervical; L: lumbar; PLGA: poly(lactide-co-glycolide) acid; HPMA-RGD: N-(2-hydroxypropyl)-methacrylamide with attached amino acid sequences Arg-Gly-Asp; PDL: poly D-lactic acid; PLA: poly L-lactic acid; BMSC: bone marrow stromal cell; MSC: mesenchymal stem cells; NSC: neural stem cell; iNSC: induced neural stem cell; SC: Schwann cell; NOM: nasal olfactory mucosal cell; SCC: spinal cord cell; BBB: Basso, Beattie, and Bresnahan test scale.