期刊
AGING-US
卷 14, 期 5, 页码 2400-2417出版社
IMPACT JOURNALS LLC
DOI: 10.18632/aging.203949
关键词
manual therapy; aging; intervertebral disc degeneration; oxidative stress; SIRT1/FOXO1 pathway
资金
- National Natural Science Foundation of China [82030121, 82004493]
- Innovation Team and Talents Cultivation Program of National Administration of Traditional Chinese Medicine [ZYYCXTD-C-202008]
- Qihuang Scholar of the Talent Project of Traditional Chinese Medicine (2018)
- Shanghai Post-doctoral Excellence Program [2020371]
- Graduate Student Innovation Ability Project of Shanghai University of Traditional Chinese Medicine [Y2020017]
This study demonstrates that manual therapy intervention may delay the lumbar intervertebral disc degeneration in aging rats, improving motor function and regulating markers of senescence. Additionally, manual therapy can reduce oxidative stress through the SIRT1/FOXO1 pathway, thereby delaying disc aging. This study highlights the importance of drug-free, non-invasive mechanical interventions in improving the physical function of the elderly.
With the increasing burden of a globally aging population, low back pain has become one of the most common musculoskeletal disorders, caused mainly by intervertebral disc (IVD) degeneration. There are currently several clinical methods to alleviate back pain, but there is scarce attention paid as to whether they can improve age-related IVD degeneration. It is therefore difficult to conduct an in-depth evaluation of these methods. A large number of clinical studies have shown that manual therapy (MT), a widely used comprehensive alternative method, has effects on pain, the mechanisms of which require further study. In this study, MT was performed on aging rats for 6 months, and their behaviors were compared with those of a non-intervention group of aging and young rats. After the intervention, all rats were examined by X-ray to observe lumbar spine degeneration, and the IVD tissues were dissected for detection, including pathological staining, immunofluorescence, Western bolt, etc. This study demonstrated the possibility that MT intervention delay the lumbar IVD degeneration in aging rats, specifically improving the motor function and regulating senescence-associated beta-galactosidase, p53, p21, p16, and telomerase activity to retard the senescence of cells in IVDs. Moreover, MT intervention can modify oxidative stress, increase the expression of SIRT1 and FOXO1 in IVDs and decrease ac-FOXO1 expression, suggesting that MT can reduce oxidative stress through the SIRT1/FOXO1 pathway, thereby playing a role in delaying the aging of IVDs. This study shows that drug-free, non-invasive mechanical interventions could be of major significance in improving the physical function of the elderly.
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