PMID- 33717412 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20210422 IS - 1976-8354 (Print) IS - 2151-2485 (Electronic) IS - 1976-8354 (Linking) VI - 25 IP - 1 DP - 2021 Feb 11 TI - Gait parameters as tools for analyzing phenotypic alterations of a mouse model of Charcot-Marie-Tooth disease. PG - 11-18 LID - 10.1080/19768354.2021.1880967 [doi] AB - Charcot-Marie-Tooth disease (CMT), a genetically heterogeneous group of diseases in the peripheral nervous system, is characterized by progressive and symmetrical distal weakness resulting in gait abnormality. The necessity of the diagnostic and prognostic biomarkers has been raised for both basic research and clinical practice in CMT. Since biomarkers for animal study of CMT are limited, we evaluated the feasibility of gait parameters as tool for measuring disease phenotype of CMT mouse model. Using a Trembler-J (Tr-J) mouse, a CMT type 1 (CMT1) mouse model, we analyzed kinematic parameters such as angles of hip, knee and ankle (sagittal plane), and spatial parameters including step width and stride length (transverse plane). Regarding of kinematic parameters, Tr-J mice exhibited less plantarflexed ankle during the swing phase and more dorsiflexed ankle at the terminal stance compared to control mice. The range of motion in ankle angle of Tr-J mice was significantly greater than that of control mice. In spatial parameter, Tr-J mice exhibited wider step width compared to control mice. These results are similar to previously reported gait patterns of CMT1 patients. In comparison with other markers such as nerve conduction study and rotarod test, gait parameters dynamically reflected the disease progression of CMT1 mice. Therefore, these data imply that gait parameters can be used as useful tools to analyzed the disease phenotype and progression during preclinical study of peripheral neuropathy such as CMT. CI - (c) 2021 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. FAU - Hwang, Sun Hee AU - Hwang SH AD - Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea. FAU - Chang, Eun Hyuk AU - Chang EH AD - Samsung Biomedical Research Institute, Samsung Advanced Institute of Technology, Samsung Electronics Co., Ltd., Seoul, Republic of Korea. FAU - Kwak, Geon AU - Kwak G AD - Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Republic of Korea. FAU - Jeon, Hyeonjin AU - Jeon H AD - Department of Biochemistry, College of Medicine, Dong-A University, Busan, Republic of Korea. AD - Department of Translational Biomedical Sciences, Graduate School of Dong-A University, Busan, Korea. FAU - Choi, Byung-Ok AU - Choi BO AD - Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea. AD - Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Republic of Korea. FAU - Hong, Young Bin AU - Hong YB AD - Department of Biochemistry, College of Medicine, Dong-A University, Busan, Republic of Korea. AD - Department of Translational Biomedical Sciences, Graduate School of Dong-A University, Busan, Korea. LA - eng PT - Journal Article DEP - 20210211 PL - England TA - Anim Cells Syst (Seoul) JT - Animal cells and systems JID - 101478641 PMC - PMC7935128 OTO - NOTNLM OT - Biomarker OT - Charcot-Marie-Tooth disease OT - gait analysis OT - mouse model COIS- No potential conflict of interest was reported by the author(s). EDAT- 2021/03/16 06:00 MHDA- 2021/03/16 06:01 PMCR- 2021/02/11 CRDT- 2021/03/15 07:01 PHST- 2021/03/15 07:01 [entrez] PHST- 2021/03/16 06:00 [pubmed] PHST- 2021/03/16 06:01 [medline] PHST- 2021/02/11 00:00 [pmc-release] AID - 1880967 [pii] AID - 10.1080/19768354.2021.1880967 [doi] PST - epublish SO - Anim Cells Syst (Seoul). 2021 Feb 11;25(1):11-18. doi: 10.1080/19768354.2021.1880967.