期刊
JOURNAL OF CELLULAR AND MOLECULAR MEDICINE
卷 16, 期 7, 页码 1606-1617出版社
WILEY
DOI: 10.1111/j.1582-4934.2011.01470.x
关键词
neural tube defects; prenatal treatment; mesenchymal stem cell; in utero MSCs transplantation; neuron regeneration; neurotrophic factors
资金
- National Natural Foundation of China [81070538, 30872705, 30801242, 30371476]
Neural tube defects (NTDs) are complex congenital malformations resulting from incomplete neurulation in embryo. Despite surgical repair of the defect, most of the patients who survive with NTDs have a multiple system handicap due to neuron deficiency of the defective spinal cord. In this study, we successfully devised a prenatal surgical approach and transplanted mesenchymal stem cells (MSCs) to foetal rat spinal column to treat retinoic acid induced NTDs in rat. Transplanted MSCs survived, grew and expressed markers of neurons, glia and myoblasts in the defective spinal cord. MSCs expressed and perhaps induced the surrounding spinal tissue to express neurotrophic factors. In addition, MSC reduced spinal tissue apoptosis in NTD. Our results suggested that prenatal MSC transplantation could treat spinal neuron deficiency in NTDs by the regeneration of neurons and reduced spinal neuron death in the defective spinal cord.
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