지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 104 - 110 (7page)
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Purpose: Neurogenic bladder (NB) associated with spinal cord injury (SCI) is a serious health problem. However, no effective treatment has been developed for SCI patients with NB. Phosphatase and tensin homolog deleted on chromosome 10 (PTEN) inhibitors have been proposed as a promising option for inducing neural regeneration. Therefore, we investigated the effects of a tissue gene nerve (TGN), PTEN inhibitor, on voiding function, motor function, and the expression of growth factors after SCI. Methods: In this experiment, female rats were randomly divided into 3 groups (n=10 in each group): the sham-operation group, the SCI-induced group, and the SCI-induced and TGN-treated group. Cystometry; the Basso, Beattie, and Bresnahan (BBB) scale test; the ladder walking test; hematoxylin and eosin staining; and Western blotting for brain-derived neurotrophic factor (BDNF), vascular endothelial growth factor (VEGF), and nerve growth factor (NGF) were performed to evaluate functional and molecular changes. Results: After SCI, the rats exhibited decreased walking ability according to the BBB scale test and impaired coordinative function according to the ladder walking test. The PTEN inhibitor promoted enhanced walking ability and coordinative function. Cystometry showed voiding impairment after SCI and improved voiding function was observed after PTEN treatment. Overexpression of VEGF, BDNF, and NGF were observed after SCI. Administration of PTEN inhibitors significantly attenuated the overexpression of growth factors due to SCI. Conclusion: PTEN inhibitor treatment diminished the overexpression of growth factors and promoted the repair of damaged tissue. PTEN inhibitor-treated rats also showed improved motor function and improved voiding function. Therefore, we suggest TGN as a new therapeutic agent that can be applied after SCI.
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