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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Blom, K. G. Qazi, M. Rahman Matos, J. B. Noronha Nelson, B. D. DePierre, J. W. Abedi-Valugerdi, M. |
| Description | Country affiliation: Sweden Author Affiliation: Blom KG ( Department of Biochemistry and Biophysics, Arrhenius Laboratories for the Natural Sciences, Stockholm University, Stockholm, Sweden.) |
| Abstract | Intrahepatic immune cells (IHIC) are known to play central roles in immunological responses mediated by the liver, and isolation and phenotypic characterization of these cells is therefore of considerable importance. In the present investigation, we developed a simple procedure for the mechanical disruption of mouse liver that allows efficient isolation and phenotypic characterization of IHIC. These cells are compared with the corresponding cells purified from the liver after enzymatic digestion with different concentrations of collagenase and DNase. The mechanical disruption yielded viable IHIC in considerably greater numbers than those obtained following enzymatic digestion. The IHIC isolated employing the mechanical disruption were heterogeneous in composition, consisting of both innate and adaptive immune cells, of which B, T, natural killer (NK), NK T cells, granulocytes and macrophages were the major populations (constituting 37.5%, 16.5%, 12.1%, 7.9%, 7.9% and 7.5% of the total number of cells recovered respectively). The IHIC obtained following enzymatic digestion contained markedly lower numbers of NK T cells (1.8%). The B, T and NK T cells among IHIC isolated employing mechanical disruption were found to be immunocompetent, i.e. they proliferated in vitro in response to their specific stimuli (lipopolysaccharide, concanavalin A and alpha-galactosylceramide respectively) and produced immunoglobulin M and interferon-gamma. Thus, the simple procedure for the mechanical disruption of mouse liver described here results in more efficient isolation of functionally competent IHIC for various types of investigation. |
| File Format | HTM / HTML |
| ISSN | 00099104 |
| e-ISSN | 13652249 |
| DOI | 10.1111/j.1365-2249.2008.03815.x |
| Journal | Clinical & Experimental Immunology |
| Issue Number | 2 |
| Volume Number | 155 |
| Language | English |
| Publisher | Wiley-Blackwell |
| Publisher Date | 2009-02-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Discipline Immunology B-lymphocyte Subsets Immunology Liver T-lymphocyte Subsets Animals Cell Proliferation Cell Separation Cell Survival Cells, Cultured Immunocompetence Immunoglobulin M Biosynthesis Immunophenotyping Interferon-gamma Mice Mice, Inbred C57bl Natural Killer T-cells Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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