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In vivo CHI3L1 (YKL-40) expression in astrocytes in acute and chronic neurological diseases

Bonneh-Barkay, D and Wang, G and Starkey, A and Hamilton, RL and Wiley, CA (2010) In vivo CHI3L1 (YKL-40) expression in astrocytes in acute and chronic neurological diseases. Journal of Neuroinflammation, 7.

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Abstract

Background: CHI3L1 (YKL-40) is up-regulated in a variety of inflammatory conditions and cancers. We have previously reported elevated CHI3L1 concentration in the cerebrospinal fluid (CSF) of human and non-human primates with lentiviral encephalitis and using immunohistochemistry showed that CHI3L1 was associated with astrocytes.Methods: In the current study CHI3L1 transcription and expression were evaluated in a variety of acute and chronic human neurological diseases.Results: ELISA revealed significant elevation of CHI3L1 in the CSF of multiple sclerosis (MS) patients as well as mild elevation with aging. In situ hybridization (ISH) showed CHI3L1 transcription mostly associated with reactive astrocytes, that was more pronounced in inflammatory conditions like lentiviral encephalitis and MS. Comparison of CHI3L1 expression in different stages of brain infarction showed that YKL40 was abundantly expressed in astrocytes during acute phases and diminished to low levels in chronic infarcts.Conclusions: Taken together, these findings demonstrate that CHI3L1 is induced in astrocytes in a variety of neurological diseases but that it is most abundantly associated with astrocytes in regions of inflammatory cells. © 2010 Bonneh-Barkay et al; licensee BioMed Central Ltd.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Bonneh-Barkay, D
Wang, Gguw3@pitt.eduGUW3
Starkey, A
Hamilton, RLhamil1@pitt.eduHAMIL1
Wiley, CAwiley1@pitt.eduWILEY1
Date: 11 June 2010
Date Type: Publication
Journal or Publication Title: Journal of Neuroinflammation
Volume: 7
DOI or Unique Handle: 10.1186/1742-2094-7-34
Schools and Programs: School of Medicine > Pathology
Refereed: Yes
Date Deposited: 10 Nov 2016 18:28
Last Modified: 02 Feb 2019 14:56
URI: http://d-scholarship.pitt.edu/id/eprint/30272

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