Io. Andr. Danzii Medaḳdeḳ Sive Literator Ebraeo-Chaldaeus : Plenam Utriusque Linguae Vet. Testam. Institutionem Harmonice Ita Tradens, ut cuncta, firmis superstructa fundamentis, innotescant scientifice ...

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Grammatica Chaldaica : Methodo adeò facili conscripta, ut qvis proprio Marte sine manuductore hanc lingvam addiscere possit

Teilw. in hebr. Schr.

Diomedis Grammatici Opvs, Ab Ioanne Caesario, ita emendatum, scholijsq[ue] illustratum, ut nulla porrò labes insideat. Item Donati De Octo Orationis partibus, & barbarismo libellus, ab eodem recognitus. Cum Indice

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Fragm. lat. I 29 - Litania (Ut-Rogationen); Agnus Dei.

Trägerband: 'Preceptorium Nicolai de Lyra'

Survival of gastrointestinal and stromal tumor patients at UT M.D. Anderson Cancer Center

Objective. Gastrointestinal Stromal Tumors (GISTs) are rare mesenchymal tumors of the gastrointestinal (GI) tract with spindled cell, epithelioid, or occasionally pleomorphic morphology. The primary objective of this paper is to describe the demographic and clinical characteristics and survival among GIST patients registered at the University of Texas M.D. Anderson Cancer Center (MDACC). ^ Methods. This cohort study includes 783 consecutive patients diagnosed with GIST from 1995 to 2007. Demographic, clinical and survival information were obtained from the MDACC cancer registry. ^ Statistical Analysis. Kaplan-Meier survival curves, univariate and multivariate Cox proportional hazards analysis were conducted to estimate survival and identify prognostic clinical factors associated with survival. Results. The age at diagnosis of MDACC GIST cases ranged from 17 to 91 with a mean of 57 years and a male-to-female ratio of 1.3:1. The racial distribution was whites 77%, African-Americans 9.5%, Hispanics 9.3% and other races 4.2%. Fifty per cent of the GISTs arose from stomach, 35% small intestine, 7% retroperitoneal space, 6% colorectal and 2% were omentum and mesentery. About half of the tumors were less than 10 cm in size. Fifty eight per cent of the tumors were localized whereas 36% were metastatic. MDACC GIST patients were generally comparable to SEER patients, but, on the average, were 7 years younger than SEER patients and were predominantly whites. ^ Stratification of 783 GIST cases by year of diagnosis based on the introduction of imatinib treatment in 2000 revealed that 60% of the GIST cases were first diagnosed between 2000 and 2007 whereas, 40% were first diagnosed between 1995 and 1999. There was a significant difference between the two cohorts in the distribution of race, GIST symptom, tumor size, tumor site, and stage of the tumor at diagnosis. The 1- and 5-year survival was 93% and 59% in the 1995–2007 cohort. Multivariate Cox regression analysis identified age at diagnosis (p<0.001), female sex (p=0.047), tumor size (p=0.07), multiple cancers (p=0.002), and GIST diagnosed between 2000 and 2007 (p<0.001) were significantly associated with survival. Approximately, 58% of the cases were treated with imatinib whereas 42% did not receive imatinib in 2000–2005 cohort. There was a significant difference in survival between imatinib and non-imatinib groups and in the distribution of tumor size categories, stage of the tumor at diagnosis and cancers before the diagnosis of GIST. The 1- and 5-year survival for imatinib patients was 99% and 73% and was 91% and 63% for non-imatinib patients. Multivariate Cox regression analysis of the 2000–2007 cohort identified, age at diagnosis and tumor stage as possible prognostic factors associated with survival.^

Transcriptional repression of serum amyloid A1 by AP -2 contributes to its liver -specific expression

Studies on the transcriptional regulation of serum amyloid A1 (SAA1) gene, a liver specific acute-phase gene, identified a regulatory element in its promoter that functioned to repress (SAA1) gene transcription in nonliver cells. This silencer element interacts with a nuclear protein that is detectable in HeLa cells, fibroblasts and placental tissues but not in liver or liver-derived cells. As the expression pattern of this repressor is consistent with its potential regulatory role in repressing SAA1 expression, and that many other liver gene promoters also contain this repressor binding site, we sought to investigate whether this repressor may have a broader functional role in repressing liver genes. ^ We have utilized protein purification, cell culture, transient and stable gene transfection, and molecular biology approaches to identify this protein and investigate its possible function in the regulation of (SAA1) and other liver genes. Analyses of amino acid sequence of the purified nuclear protein, and western blot and gel shift studies identified the repressor as transcription factor AP-2 or AP-2-like protein. Using transient transfection of DNA into cultured cells, we demonstrate that AP-2 can indeed function as a repressor to inhibit transcription of SAA1 gene promoter. This conclusion is supported by the following experimental results: (1) overexpression of AP-2 in hepatoma cells inhibits conditioned medium (CM)-induced expression of SAA1 promoter; (2) binding of AP-2 to the SAA1 promoter is required for AP-2 repression function; (3) one mechanism by which AP-2 inhibits SAA1 may be by antagonizing the activation function of the strong transactivator NFκB; (4) mutation of AP-2 binding sites results in derepression of SAM promoter in HeLa cells; and (5) inhibition of endogenous AP-2 activity by a dominant-negative mutant abolishes AP-2's inhibitory effect on SAM promoter in HeLa cells. In addition to the SAM promoter, AP-2 also can bind to the promoter regions of six other liver genes tested, suggesting that it may have a broad functional role in restricting the expression of many liver genes in nonliver cells. Consistent with this notion, ectopic expression of AP-2 also represses CM-mediated activation of human third component of complement 3 promoter. Finally, in AP-2-expressing stable hepatoma cell lines, AP-2 inhibits not only the expression of endogenous SAA, but also the expression of several other endogenous liver genes including albumin, α-fetoprotein. ^ Our findings that AP-2 has the ability to repress the expression of liver genes in nonliver cells opens a new avenue of investigation of negative regulation of gene transcription, and should improve our understanding of tissue-specific expression of liver genes. In summary, our data provide evidence suggesting a novel role of AP-2 as a repressor, inhibiting the expression of liver genes in nonliver cells. Thus, the tissue-specific expression of AP-2 may constitute an important mechanism contributing to the liver-specific expression of liver genes. ^