脑源性神经营养因子

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脑源性神经营养因子
PDB rendering based on 1bnd.
有效结构
PDB 直系同源检索:PDBe, RCSB
标识
代号 BDNF; MGC34632
扩展标识 遗传学113505 同源基因7245 GeneCards: BDNF Gene
RNA表达模式
更多表达数据
直系同源体
物种 人类 小鼠
Entrez 627 12064
Ensembl ENSG00000176697 ENSMUSG00000048482
UniProt P23560 Q541P3
mRNA序列 NM_001143805.1 NM_001048139
蛋白序列 NP_001137277.1 NP_001041604
基因位置 Chr 11:
27.68 – 27.74 Mb
Chr 2:
109.51 – 109.57 Mb
PubMed查询 [1] [2]

脑源性神经营养因子(英语:Brain-Derived Neurotrophic Factor,缩写为BDNF)是人脑中的一种蛋白质,由脑源性神经营养因子基因生成。脑源性神经营养因子是神经营养因子中的一种,这种因子存在于人的神经系统中。 BDNF是大脑中含量最丰富的蛋白质,在脑部可以促进神经元 (神经细胞) 的生长,也促进大脑神经细胞突触的成形。[1][2]简单来说,就是大脑非常需要的营养蛋白质。 研究显示,在大脑中掌管记忆的海马回中含有特别丰富的 BDNF ,对于突触的生长以及长期记忆也非常重要。[3]已经有许多国际研究显示,缺乏 BDNF 将可能造成一些认知功能障碍,例如阿兹海默症[4],此为常见的退化性失智症之一。 另外,若长期处于压力大或忧郁的状态,也可能会抑制大脑 BDNF 的分泌,影响记忆及认知功能,甚至于导致自律神经失调海马回萎缩等更严重的问题。

功能

BDNF的作用

  • 促进脑神经突触传递与发生(Synaptogenesis)[6][7][8]
  • 提升神经元的分化(Neurogenesis):BDNF 在神经的生成中非常重要。许多人体研究证明 BDNF 是神经元分化的强促进剂。[9][10]
  • 改善认知功能(Cognitive Function)[11][12]

疾病关联

促进BDNF生成的食物

1. 咖啡莓果(WCFC Coffee Berry)

咖啡果提取物能使 BDNF 增加 143%[19]。提高 BDNF,可以改善以下的脑部的功能:

  • 更快速的学习[20][21]:思绪清晰、能量充沛。
  • 改善记忆的能力:BDNF可以刺激海马回记忆中心的脑细胞联结,从而,改善记忆力。[22][23]
  • 延缓脑部退化:BDNF 可以保护脑部神经,延缓脑部退化[24][25][26]BDNF 也可以帮助脑细胞更快地从损伤中恢复。
  • 改善心情与情绪[27][28][29]

2. 含有胆碱的磷脂(Choline-Containing Phospholipids)

含有胆碱的磷脂(聪明磷脂)可以提升BDNF,改善脑部的认知功能与脑神经元的再生。[30][31][32][33][34]

延伸阅读

  • Meerwijk, Esther L., Judith M. Ford, and Sandra J. Weiss. Brain regions associated with psychological pain: implications for a neural network and its relationship to physical pain. Brain imaging and behavior. 2013, 7 (1): 1–14. PMID 12424260. doi:10.1007/s11682-012-9179-y. 

参考资料

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  3. 3.0 3.1 Bekinschtein P, Cammarota M, Katche C, Slipczuk L, Rossato JI, Goldin A, Izquierdo I, Medina JH (February 2008). "BDNF is essential to promote persistence of long-term memory storage". Proceedings of the National Academy of Sciences of the United States of America. 105 (7): 2711–16. Bibcode:2008PNAS..105.2711B. doi:10.1073/pnas.0711863105. PMC 2268201. PMID 18263738.. 
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  9. Bartkowska K, Paquin A, Gauthier AS, Kaplan DR, Miller FD (December 2007). "Trk signaling regulates neural precursor cell proliferation and differentiation during cortical development". Development. 134 (24): 4369–80. doi:10.1242/dev.008227. PMID 18003743.. 
  10. Bath KG, Akins MR, Lee FS (September 2012). "BDNF control of adult SVZ neurogenesis". Developmental Psychobiology. 54(6): 578–89. doi:10.1002/dev.20546. PMC 3139728. PMID 21432850.. 
  11. van Praag H, Kempermann G, Gage FH (December 2000). "Neural consequences of environmental enrichment". Nature Reviews. Neuroscience. 1 (3): 191–98. doi:10.1038/35044558. PMID 11257907. S2CID 9750498.. 
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  13. Zuccato C, Cattaneo E (June 2009). "Brain-derived neurotrophic factor in neurodegenerative diseases". Nature Reviews. Neurology. 5 (6): 311–22. doi:10.1038/nrneurol.2009.54. PMID 19498435. S2CID 30782827.. 
  14. Arancio O, Chao MV (June 2007). "Neurotrophins, synaptic plasticity and dementia". Current Opinion in Neurobiology. 17 (3): 325–30. doi:10.1016/j.conb.2007.03.013. PMID 17419049. S2CID 22776264.. 
  15. Kaplan AS, Levitan RD, Yilmaz Z, Davis C, Tharmalingam S, Kennedy JL (January 2008). "A DRD4/BDNF gene-gene interaction associated with maximum BMI in women with bulimia nervosa". The International Journal of Eating Disorders. 41 (1): 22–28. doi:10.1002/eat.20474. PMID 17922530.. 
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  17. Brunoni AR, Lopes M, Fregni F (December 2008). "A systematic review and meta-analysis of clinical studies on major depression and BDNF levels: implications for the role of neuroplasticity in depression". The International Journal of Neuropsychopharmacology. 11 (8): 1169–80. doi:10.1017/S1461145708009309. PMID 18752720.. 
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外部链接

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