期刊
AMINO ACIDS
卷 47, 期 5, 页码 1053-1063出版社
SPRINGER WIEN
DOI: 10.1007/s00726-015-1938-9
关键词
TFF3; Trefoil factor; Immunohistochemistry; Neuron; Brain
TFF3 is a member of the trefoil factor family (TFF) predominantly secreted by mucous epithelia. Minute amounts are also expressed in the immune system and the brain. In the latter, particularly the hypothalamo-pituitary axis has been investigated in detail in the past. Functionally, cerebral TFF3 has been reported to be involved in several processes such as fear, depression, learning and object recognition, and opiate addiction. Furthermore, TFF3 has been linked with neurodegenerative and neuropsychiatric disorders (e.g., Alzheimer's disease, schizophrenia, and alcoholism). Here, using immunohistochemistry, a systematic survey of the TFF3 localization in the adult human brain is presented focusing on extrahypothalamic brain areas. In addition, the distribution of TFF3 in the developing human brain is described. Taken together, neurons were identified as the predominant cell type to express TFF3, but to different extent; TFF3 was particularly enriched in various midbrain and brain stem nuclei. Besides, TFF3 immunostaining staining was observed in oligodendroglia and the choroid plexus epithelium. The wide cerebral distribution should help to explain its multiple effects in the CNS.
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