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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Morecki, R. Das, K. M. Valenzuela, I. |
| Abstract | To study the putative agent(s) related to Crohn disease, we intraperitoneally in injected mesenteric lymph node homogenates from four patients with active Crohn disease into 10-week-old athymic (nu/nu) mice. Control mice (nu/nu) were injected with homogenates of mesenteric lymph nodes from two patients with ulcerative colitis and four patients undergoing elective cholecystectomy, and with a homogenate of a cervical lymph node containing sarcoid granuloma. Thirty-four mice received filtered or unfiltered homogenates from Crohn disease lymph nodes. Thirty-two mice received homogenates or filtrates from lymph nodes of control patients. Four mice from the group injected with Crohn disease homogenates from four different patients developed generalized lymphadenopathy due to lymphoma 10-28 weeks after th injection. Two additional mice developed lymphadenopathy due to plasma cell hyperplasia. None of the control mice developed lymphomas or lymphadenopathy. Two lymphomas were homogenized, filtered, and injected intraperitoneally into a second group of nu/nu mice, which also developed lymphoma within 8 weeks of injection. Two lymphomas were cultured in vitro and B cell sur?ACE MARKERS WERE IDENTIFIED. Indirect immunofluorescence studies in two lymphomas showed cytoplasmic staining of lymphoma cells with sera from 10 patients with active Crohn disease but not with sera from 13 control subjects, including 6 with ulcerative colitis and 7 with other gastrointestinal disorders. These results suggest that a transmissible factor present in Crohn disease lymph nodes produces lymphoma in nu/nu mice. Furthermore, sera of Crohn disease patients contain an antibody that recognizes an 'antigen(s)' in the murine lymphoma. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 1 |
| Volume Number | 77 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1980-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Crohn Disease Microbiology Lymphoma Etiology Animals B-Lymphocytes Immunology Lymph Nodes Mice Mice, Nude Neoplasms, Experimental Receptors, Antigen, B-Cell Receptors, Fc Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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