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Expression of various TGF-beta isoforms and type I receptor in necrotizing human brain lesions.
- Ata, A K (author)
-
- Funa, Keiko, 1949 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för anatomi och cellbiologi,Institute of Anatomy and Cell Biology
- Olsson, Y (author)
- (creator_code:org_t)
- 1997
- 1997
- English.
- In: Acta neuropathologica. - 0001-6322. ; 93:4, s. 326-33
- Journal article (peer-reviewed)
Abstract
Subject headings
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- It is known that transforming growth factor beta (TGF-beta) is involved in the modulation of cell growth, differentiation, and repair following injury. We performed an immunohistochemical study of human brain autopsy and biopsy material for the expression of TGF-beta isoforms beta 1, beta 2 and beta 3, and TGF-beta receptor (T beta R) type I in different cells of necrotizing lesions such as infarction and abscess, and compared them with controls. Various cell types, both inside and in the proximity of lesions, showed immunoreactivity indicating the presence of all three isoforms. Significant values of immunoreaction for various TGF-beta s and T beta R-I were observed in cells such as astrocytes, macrophages, neurons, microvascular endothelial cells, and granulocytes. In the control cases, comprising biopsy material without necrotizing lesions, a prominent TGF-beta 2 immunoreactivity was observed in glial cells and neurons. TGF-beta 1 and TGF-beta 3 reactivity in controls, when compared with TGF-beta 2, was less. T beta R-I antiserum showed clear and distinct signals in the same type of cells as for TGF-beta s in the necrotizing lesions with varying values of significance. Our findings suggest that TGF-beta s and their receptor type I are involved in reactive processes around necrotizing human brain lesions like glial and macrophage responses, angiogenesis, and deposition of extracellular matrix.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Keyword
- Adult
- Aged
- Aged
- 80 and over
- Brain
- metabolism
- pathology
- Brain Abscess
- metabolism
- pathology
- Brain Chemistry
- Cerebral Infarction
- metabolism
- pathology
- Female
- Humans
- Immunohistochemistry
- Male
- Middle Aged
- Necrosis
- Receptors
- Transforming Growth Factor beta
- biosynthesis
- Transforming Growth Factor beta
- biosynthesis
- chemistry
Publication and Content Type
- ref (subject category)
- art (subject category)
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