233-LB: Spinal Cord Injury Inhibited-FGF21 Signaling Is Associated with Dysregulation of Metabolic Gene Expression in Mouse Liver and Adipose Tissue

Diabetes ◽  
2020 ◽  
Vol 69 (Supplement 1) ◽  
pp. 233-LB
Author(s):  
XIN-HUA LIU ◽  
LAUREN HARLOW ◽  
ZACHARY GRAHAM ◽  
JOSHUA F. YARROW ◽  
KENNETH CUSI ◽  
...  
2011 ◽  
Vol 110 (5) ◽  
pp. 1204-1210 ◽  
Author(s):  
Yun Chau Long ◽  
Emil Kostovski ◽  
Hanneke Boon ◽  
Nils Hjeltnes ◽  
Anna Krook ◽  
...  

Skeletal muscle plays an important role in the regulation of energy homeostasis; therefore, the ability of skeletal muscle to adapt and alter metabolic gene expression in response to changes in physiological demands is critical for energy balance. Individuals with cervical spinal cord lesions are characterized by tetraplegia, impaired thermoregulation, and altered skeletal muscle morphology. We characterized skeletal muscle metabolic gene expression patterns, as well as protein content, in these individuals to assess the impact of spinal cord injury on critical determinants of skeletal muscle metabolism. Our results demonstrate that mRNA levels and protein expression of skeletal muscle genes essential for glucose storage are reduced, whereas expression of glycolytic genes is reciprocally increased in individuals with spinal cord injury. Furthermore, expression of genes essential for lipid oxidation is coordinately reduced in spinal cord injured subjects, consistent with a marked reduction of mitochondrial proteins. Thus spinal cord injury resulted in a profound and tightly coordinated change in skeletal muscle metabolic gene expression program that is associated with the aberrant metabolic features of the tissue.


2017 ◽  
Vol 2017 ◽  
pp. 1-10 ◽  
Author(s):  
E. Oliveira ◽  
R. C. Assunção-Silva ◽  
O. Ziv-Polat ◽  
E. D. Gomes ◽  
F. G. Teixeira ◽  
...  

Mesenchymal stem cells (MSCs) have been proposed for spinal cord injury (SCI) applications due to their capacity to secrete growth factors and vesicles—secretome—that impacts important phenomena in SCI regeneration. To improve MSC survival into SCI sites, hydrogels have been used as transplantation vehicles. Herein, we hypothesized if different hydrogels could interact differently with adipose tissue-derived MSCs (ASCs). The efficacy of three natural hydrogels, gellan gum (functionalized with a fibronectin peptide), collagen, and a hydrogel rich in laminin epitopes (NVR-gel) in promoting neuritogenesis (alone and cocultured with ASCs), was evaluated in the present study. Their impact on ASC survival, metabolic activity, and gene expression was also evaluated. Our results indicated that all hydrogels supported ASC survival and viability, being this more evident for the functionalized GG hydrogels. Moreover, the presence of different ECM-derived biological cues within the hydrogels appears to differently affect the mRNA levels of growth factors involved in neuronal survival, differentiation, and axonal outgrowth. All the hydrogel-based systems supported axonal growth mediated by ASCs, but this effect was more robust in functionalized GG. The data herein presented highlights the importance of biological cues within hydrogel-based biomaterials as possible modulators of ASC secretome and its effects for SCI applications.


2005 ◽  
Vol 173 (4S) ◽  
pp. 308-308
Author(s):  
Jeffrey L. Evans ◽  
Henry Lai ◽  
Mustafa Ozen ◽  
Bhuvaneswari Krishnan ◽  
Michael Ittmann ◽  
...  

PLoS ONE ◽  
2012 ◽  
Vol 7 (7) ◽  
pp. e41073 ◽  
Author(s):  
Gregory E. Bigford ◽  
Valerie C. Bracchi-Ricard ◽  
Mark S. Nash ◽  
John R. Bethea

2006 ◽  
Vol 15 (4) ◽  
pp. 583-594 ◽  
Author(s):  
Soo-Kyung Kang ◽  
Myung-Joo Shin ◽  
Jin Sup Jung ◽  
Yong Geun Kim ◽  
Cheul-Hong Kim

2017 ◽  
Vol 26 (7) ◽  
pp. 1286-1300 ◽  
Author(s):  
Ahreum Baek ◽  
Sung-Rae Cho ◽  
Sung Hoon Kim

2016 ◽  
Vol 3 (04) ◽  
pp. 144 ◽  
Author(s):  
Hau Thi-My Lam ◽  
Minh Nguyen-Thu Tran ◽  
Khoa Anh Bui ◽  
Thao Thi-Thu Le ◽  
Khanh Hong-Thien Bui ◽  
...  

Introduction: Stem cell therapy is one of the most promising therapies for degenerative diseases and related injuries. Adipose tissue derived stem cells (ADSCs) exhibit some particular properties such as high production of paracrine factors. Indeed, ADSCs have been successfully used to treat diseases, including osteoarthritis, diabetic ulcer, etc. Methods: In this study, ADSCs were used to treat spinal cord injury (SCI) in a mouse model. Non-expanded ADSCs, from stromal vascular fractions (SVFs) isolated from both autologous and allogeneic adipose tissues, were injected into injured sites of mice at a specified dose. The SCI mouse model were generated by transection of spinal cord at vertebrae T8 - T10. After 1 week of transection, mice exhibiting completed SCI were divided into 4 groups: group 1 was control (mice without any treatment), group 2 was placebo (mice treated with platelet rich plasma (PRP)), group 3 was allogeneic SVF transplantation (mice treated with allogeneic SVFs), and group 4 was autologous SVF transplantation (mice treated with autologous SVFs). For the treatment groups, mice were transplanted with 20 µL of activated PRP or/and with 106 cells of SVF (allogeneic or autologous) into the injured position through laminectomy. The recovery of SCI was evaluated by locomotor test, sensory test and sensory-motor test at 5 weeks after transplantation. The histology of the spinal cord also was checked after 5 weeks. Results: The results showed that in all groups with PRP injected with or without SVFs, the inflammation was efficiently controlled. The glial scar as well as myelin defragmentation were clearly reduced. However, a significant improvement of BBB score was only recorded in mice transplanted with autologous SVFs. Conclusion: The results of our study show that autologous SVF transplantation in combination with PRP can be a promising therapy for SCI.


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