cord injury
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2022 ◽  
Vol 12 (3) ◽  
pp. 588-596
Author(s):  
Ming Xu ◽  
Guo Yong Tan ◽  
Xian Ming Tao

The major feature of spinal cord injury (SCI) was the damage of nervous tissue in spinal cord. The damaged spinal cord was difficult to be repaired and regenerated. MicroRNA-124 could play a role in the repairing and recovering the injured tissue. The BMSCs could participate in repairing the damage. However, the regulatory effect of MicroRNA-124 on BMSCs and the inflammatory response of SCI was still not illustrated. These spinal cord nerve cells were assigned into group of mechanical damage, BMSCs and BMSCs with miR-124 overexpression followed by analysis of proliferation of nerve cells by MTT assay, apoptotic activity, expression of miR-124, GFAP and BDNF by Real time PCR, levels of TNF-α and IL-6 by ELISA as well as MDH and SOD activity. miR-124 mimics transfection significantly promoted BMSCs proliferation and increased ALK activity and the expression of GFAP and BDNF. In conclusion, the proliferation and differentiation of BMSCs could be regulated by miR-124. The inflammation and oxidative stress could be restrained so as to prompt the proliferation and repair of SCI cells and restrain apoptosis, indicating that it might be beneficial to recover the SCI.


2022 ◽  
Vol 146 ◽  
pp. 112529
Author(s):  
Jamileh Saremi ◽  
Narges Mahmoodi ◽  
Mehdi Rasouli ◽  
Faezeh Esmaeili Ranjbar ◽  
Elham Lak Mazaheri ◽  
...  

2022 ◽  
Vol 96 ◽  
pp. 74-79
Author(s):  
Sho Okimatsu ◽  
Satoshi Maki ◽  
Takeo Furuya ◽  
Takayuki Fujiyoshi ◽  
Mitsuhiro Kitamura ◽  
...  

2022 ◽  
Vol 12 (2) ◽  
pp. 386-392
Author(s):  
Haiyan Wei ◽  
Yubao Cui ◽  
Zhengjie Liu

To study the therapeutic effect of BMSCs on femoral head necrosis and whether it can inhibit the growth of OMgP. 15 healthy rats were divided into ZZ group (normal group), GT group (femoral head necrosis) and MM group (BMSCs transplantation). At 1 h, 3 h, 1 d, and 3 d, the expression of OMgP in GT group were higher than ZZ group (P <0.05) and MM group, indicating that BMSCs transplantation can decreased OMgP expression. At 1 d, 7 d, and 14 d, BBB scores of the GT group were lower than ZZ group (P < 0.05) and MM group (P < 0.05), indicating that BMSCs transplantation can improve spinal cord injury behavior. The cells in ZZ group were well stained and morphologically intact, the femoral head was not damaged, and the articular surface was smooth, GT group had cartilage necrosis with disordered inferior epiphysis, and the femoral head of the MM group had less damage and increased osteoblasts. The blood vessel counts in necrotic area in GT group were higher than ZZ group and MM group with decreased new bone area in repair area compared to ZZ and MM group (P <0.05), indicating that the area of femoral head necrosis after BMSCs transplantation was improved. The levels of ALP and BGP in GT group were lower than ZZ group (P <0.05) and MM group (P <0.05). Bone marrow mesenchymal stem cell transplantation can effectively repair new bone area, up-regulate ALP and BGP, and have a positive effect on femoral head necrosis, possibly by inhibiting OMGP activity.


2022 ◽  
Vol 62 ◽  
pp. 4-11
Author(s):  
Mark S. Nash ◽  
Gary J. Farkas ◽  
Eduard Tiozzo ◽  
David R. Gater

2022 ◽  
Vol 103 ◽  
pp. 108492
Author(s):  
Lin Zhong ◽  
Sheng Fang ◽  
An-Quan Wang ◽  
Zhen-Hua Zhang ◽  
Tao Wang ◽  
...  

Author(s):  
Tim Nutbeam ◽  
Rob Fenwick ◽  
Barbara May ◽  
Willem Stassen ◽  
Jason Smith ◽  
...  

Abstract Background Motor vehicle collisions remain a common cause of spinal cord injury. Biomechanical studies of spinal movement often lack “real world” context and applicability. Additional data may enhance our understanding of the potential for secondary spinal cord injury. We propose the metric ‘travel’ (total movement) and suggest that our understanding of movement related risk of injury could be improved if travel was routinely reported. We report maximal movement and travel for collar application in vehicle and subsequent self-extrication. Methods Biomechanical data on application of cervical collar with the volunteer sat in a vehicle were collected using Inertial Measurement Units on 6 healthy volunteers. Maximal movement and travel are reported. These data and a re-analysis of previously published work is used to demonstrate the utility of travel and maximal movement in the context of self-extrication. Results Data from a total of 60 in-vehicle collar applications across three female and three male volunteers was successfully collected for analysis. The mean age across participants was 50.3 years (range 28–68) and the BMI was 27.7 (range 21.5–34.6). The mean maximal anterior–posterior movement associated with collar application was 2.3 mm with a total AP travel of 4.9 mm. Travel (total movement) for in-car application of collar and self-extrication was 9.5 mm compared to 9.4 mm travel for self-extrication without a collar. Conclusion We have demonstrated the application of ‘travel’ in the context of self-extrication. Total travel is similar across self-extricating healthy volunteers with and without a collar. We suggest that where possible ‘travel’ is collected and reported in future biomechanical studies in this and related areas of research. It remains appropriate to apply a cervical collar to self-extricating casualties when the clinical target is that of movement minimisation.


Author(s):  
Agata Goraczko ◽  
Alina Zurek ◽  
Maciej Lachowicz ◽  
Katarzyna Kujawa ◽  
Grzegorz Zurek

Background: The present investigation was designed to determine cognitive performance and quality of life (QoL) in a group of elite athletes who sustained spinal cord injury (SCI). Methods: nine participants suffering a SCI participated in the study. Different cognitive functions were evaluated through the following tests: COWAT, Digit Span, Stroop color–word and QoL through the WHOQoL-BREF scale. Results: Generally, participants positively assessed their overall quality of life and health status. Although the tests conducted indicate reduced cognitive function among the athletes, it did not affect the reduction in QoL. Single correlations between the results of cognitive tests and QoL could be treated as coincidental. Conclusions: Despite the observed decline in selected cognitive functions, the participants positively assessed their quality of life and physical health.Reduced cognitive functioning could be influenced by the impact of sleep-disordered breathing, pain, depressive disorders and medication. This indicates the need for an individualized approach to define the patient’s deficits, needs and best care. Further studies with a larger group of participants are needed.


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