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171.
BAG-1 inhibits p53-induced but not apoptin-induced apoptosis 总被引:4,自引:0,他引:4
Danen-van Oorschot AA den Hollander AI Takayama S Reed JC van der Eb AJ Noteborn MH 《Apoptosis : an international journal on programmed cell death》1997,2(4):395-402
BAG-1 has been identified as a Bcl-2-binding protein that inhibits apoptosis, either alone or in co-operation with Bcl-2. Here we show that BAG-1 inhibits p53- induced apoptosis in the human tumour cell line Saos-2. In contrast, BAG-1 was unable to inhibit the p53-independent pathway induced by apoptin, an apoptosis-inducing protein derived from chicken anaemia virus. Whereas BAG-1 seemed to co-operate with Bcl-2 to repress p53-induced apoptosis, co-expression of these proteins had no inhibitory effect on apoptin-induced apoptosis. Moreover, Bcl-2, and to some extent also BAG-1, paradoxically enhanced the apoptotic activity of apoptin. These results demonstrate that p53 and apoptin induce apoptosis through independent pathways, which are differentially regulated by BAG-1 and Bcl-2. 相似文献
172.
Kalijn F. Bol Erik H. J. G. Aarntzen Jeanette M. Pots Michel A. M. Olde Nordkamp Mandy W. M. M. van de Rakt Nicole M. Scharenborg Annemiek J. de Boer Tom G. M. van Oorschot Sandra A. J. Croockewit Willeke A. M. Blokx Wim J. G. Oyen Otto C. Boerman Roel D. M. Mus Michelle M. van Rossum Chantal A. A. van der Graaf Cornelis J. A. Punt Gosse J. Adema Carl G. Figdor I. Jolanda M. de Vries Gerty Schreibelt 《Cancer immunology, immunotherapy : CII》2016,65(3):327-339
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174.
Albert Eduardo Silva Martins Norma Lucena-Silva Renan Gomes Garcia Stefan Welkovic Aureliana Barboza Maria Luiza Bezerra Menezes Magda Maruza Terezinha Tenório Ricardo AA Ximenes 《Memórias do Instituto Oswaldo Cruz》2014,109(6):738-747
Human immunodeficiency virus (HIV)-positive patients have a greater prevalence of
coinfection with human papillomavirus (HPV) is of high oncogenic risk. Indeed, the
presence of the virus favours intraepithelial squamous cell lesion progression and
may induce cancer. The aim of this study was to evaluate the prevalence of HPV
infection, distribution of HPV types and risk factors among HIV-positive patients.
Cervical samples from 450 HIV-positive patients were analysed with regard to oncotic
cytology, colposcopy and HPV presence and type by means of polymerase chain reaction
and sequencing. The results were analysed by comparing demographic data and data
relating to HPV and HIV infection. The prevalence of HPV was 47.5%. Among the
HPV-positive samples, 59% included viral types of high oncogenic risk. Multivariate
analysis showed an association between HPV infection and the presence of cytological
alterations (p = 0.003), age greater than or equal to 35 years (p = 0.002), number of
partners greater than three (p = 0.002), CD4+ lymphocyte count <
200/mm3 (p = 0.041) and alcohol abuse (p = 0.004). Although high-risk
HPV was present in the majority of the lesions studied, the low frequency of HPV 16
(3.3%), low occurrence of cervical lesions and preserved immunological state in most
of the HIV-positive patients were factors that may explain the low occurrence of
precancerous cervical lesions in this population. 相似文献
175.
Carlie L. Cullen Renee E. Pepper Mackenzie T. Clutterbuck Kimberley A. Pitman Viola Oorschot Loic Auderset Alexander D. Tang Georg Ramm Ben Emery Jennifer Rodger Renaud B. Jolivet Kaylene M. Young 《Cell reports》2021,34(3):108641
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176.
Archives of Microbiology - 相似文献
177.
D W Cooper R A van Oorschot L R Piper L F Le Jambre 《International journal for parasitology》1989,19(6):695-697
A genetic analysis has been made of the Ovine Leucocyte Antigenic (OLA) system in Australian merinos. The animals consisted of sires, dams and their progeny. The typing data were consistent with previous findings of a high degree of polymorphism. At least two closely linked loci with several alleles at each are necessary to explain the data. No evidence was found for an association between OLA types and three measures of susceptibility to infection by the blood-sucking parasite Haemonchus contortus. Attention is drawn to the utility of half-sib data for analysis of the genetic control of resistance to parasites in sheep and other animals with a similar breeding structure. 相似文献
178.
179.
R A van Oorschot P A Porter C M Kammerer J L VandeBerg 《Cytogenetics and cell genetics》1992,60(1):64-67
The gray short-tailed opossum, Monodelphis domestica, is a model species for studying the underlying mechanisms that govern recombination. We have identified a new marker, PI (protease inhibitor), in M. domestica and demonstrate its linkage to AK1 (adenylate kinase 1). The rate of recombination in females of this species is approximately one fifth the rate in males, as might be predicted from the difference in chiasma frequency between the two sexes. 相似文献
180.