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- Heinzel, T., et al.
(författare)
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A complex containing N-CoR, mSin3 and histone deacetylase mediates transcriptional repression
- 1997
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Ingår i: Nature. - : Nature Publishing Group. - 0028-0836 .- 1476-4687. ; 387:6628, s. 43-48
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Tidskriftsartikel (refereegranskat)abstract
- Transcriptional repression by nuclear receptors has been correlated to binding of the putative co-repressor, N-CoR. A complex has been identified that contains N-CoR, the Mad presumptive co-repressor mSin3, and the histone deacetylase mRPD3, and which is required for both nuclear receptor- and Mad-dependent repression, but not for repression by transcription factors of the ets-domain family. These data predict that the ligand-induced switch of heterodimeric nuclear receptors from repressor to activator functions involves the exchange of complexes containing histone deacetylases with those that have histone acetylase activity.
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- Amini, Rose-Marie, et al.
(författare)
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Patients suffering from both Hodgkin's disease and non-Hodgkin's lymphoma: a clinico-pathological and immuno-histochemical population-based study of 32 patients
- 1997
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Ingår i: International Journal of Cancer. - 0020-7136 .- 1097-0215. ; 71, s. 510-
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Tidskriftsartikel (refereegranskat)abstract
- The occurrence of Hodgkin's disease (HD) and non-Hodgkin's lymphoma (NHL) appearing in the same individual indicates a closer relationship between the 2 diseases than previously believed. The purpose of our study was to analyze cases of HD and NHL in a defined population clinically, histopathologically and immunohistochemically to look for similarities indicating a common cellular origin. Between 1974 and 1994, 77 individuals were identified from the Swedish Cancer Registry and the National Health Care Programme for HD as potentially having both diagnoses. Thirty-two patients who had both HD and NHL were available for histo-pathological re-examination and immunohistochemical staining with CD30, CD15, LMP, p53, CD45 (LCA), CD3, CD45R0 (UCHL-1), L26, MB2 and CD45R (4KB5). The most common relation was HD preceding a high-grade malignant NHL (16 of 32 patients), unexpectedly often of T-cell phenotype (7 of 16 patients). The next common association was NHL of B-CLL type followed by HD (7 of 32 patients). At clinical presentation, the first lymphoma did not differ from lymphomas not associated with a second lymphoma, whereas the second one often appeared with a disseminated and aggressive clinical form. There was a significant correlation between the expression of p53 and LMP in first and second lymphomas. CD3 antibody was frequently expressed both in HD and NHL, whereas positivity for B-cell-related antibodies, CD30, CD15 and CD45R0, was less frequent and generally lower than previously described. The occurrence of HD and NHL in an individual is unusual. Tumour biological features common to both HD and NHL may indicate a similar cellular origin, regardless of the time interval between the diagnoses, and may contribute to the understanding of the pathogenesis of lymphoma.
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- Riva, Giuseppe, et al.
(författare)
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Virtual Environments in the Diagnosis, Prevention, and Intervention of Age-Related Diseases: A Review of VR Scenarios Proposed in the EC VETERAN Project
- 1999
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Ingår i: CyberPsychology & Behavior. - : Mary Ann Liebert Inc. - 1094-9313 .- 1557-8364. ; 2:6, s. 577-591
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Tidskriftsartikel (refereegranskat)abstract
- A group of worldwide virtual reality and health-care researchers have decided to combine their efforts in a multidisciplinary project titled VETERAN – virtual environments in the diagnosis, prevention and intervention of age-related diseases. The main goal of the VETERAN project is the tuning and testing of different virtual environments, designed to address the cognitive/functional impairments that may occur due to the aging process and age-related disorders. In particular the developed modules will address the problems commonly found in the following pathologies that have a strong impact on the elderly health care policy: Alzheimer’s disease and other senile dementias; stroke and unilateral spatial neglect; mobility-related accidents within specific environments (e.g., falls, shocks). The project will focus on research into clinical aspects of age-related diseases and disorders of high morbidity and specifically target goals of prevention, treatment, or delay in onset. Another goal of the VETERAN project is to define and develop new protocols and tools to be used for general rehabilitation purposes. These tools will aim to provide systematic restorative training within the context of functionally relevant, ecologically valid simulated environments This approach is hoped to optimize the degree of transfer of training and/or generalization of learning to the person’s real world environment.
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