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Daily Archives for: April 28th, 2008

Objective

T-cell activation is an essential feature of atherosclerotic plaque inflammation, which eventually may lead to plaque rupture. In this study, we investigated if EBV, a common herpes virus, is capable of stimulating atherosclerotic plaque derived T-cells and thus could contribute to atherosclerotic plaque inflammation.

Methods

Plaque derived T-cell cultures were established from symptomatic carotid atherosclerotic plaques of 19 patients.

In order to assess the real significance of some plasma and vascular indices in disorders of the stable course of coronary heart disease (CHD) in chronic bacterial- and viral infection-invasion, we determined the blood plasma lipid hydrogen peroxide (LHP) activity, a direct index of the lipid peroxidation degree, and measured the concentration of specific antibodies to Chlamydia pneumoniae (C.

Aim: Several herpesvirus species can be detected in periodontal pockets and saliva. This study compared human cytomegalovirus (HCMV) and Epstein–Barr virus (EBV) DNA copy counts in periodontitis sites and in whole saliva, and evaluated the potential of periodontal to reduce the salivary level of the two viruses.

Material and methods: A total of 20 systemically healthy periodontitis patients,

EBV was the first human virus to be directly implicated in carcinogenesis. It infects >90% of the world’s population. Although most humans coexist with the virus without serious sequelae, a small proportion will develop tumors.

 Normal host populations can have vastly different susceptibility to EBV-related tumors as demonstrated by geographical and immunological variations in the prevalence of these cancers.

We investigated whether there is an association between cytomegalovirus (CMV) and Epstein–Barr virus (EBV) IgG levels and risk of breast cancer before age 40 years. CMV and EBV IgG levels were measured in stored plasma from 208 women with breast cancer and 169 controls who participated in the Australian Breast Cancer Family Study (ABCFS),

Hypoxia-inducible factor 1 (HIF-1) is a heterodimeric basic helix-loop-helix transcription factor composed of HIF-1α and HIF-1β that is the central regulator of responses to hypoxia. The specific binding of HIF-1 to the hypoxia-responsive element (HRE) induces the transcription of genes that respond to hypoxic conditions, including vascular endothelial growth factor (VEGF).

Here we report that expression of HIF-1α

Abstract:
colon; Lymphoepithelial carcinoma is a relatively common malignancy in the nasopharyngeal region, but it rarely occurs at other sites. We report a lymphoepithelial carcinoma in the pancreas of a 65-year-old male patient operated on for a gastric stump carcinoma 7 years previously. The solitary tumor in the pancreas presented as a circumscribed lesion and measured 5.5 cm in diameter.

Epstein-Barr virus (EBV)-encoded latent membrane protein 1 (LMP1) has been known to have oncogenic properties during latent infection in nasopharyngeal carcinoma (NPC). Our studies focused on the role of LMP1 in NPC, and showed that LMP1 triggers the NF-kappaB, AP-1 and STAT signaling pathways. Strikingly, LMP1 was found to mediate the formation of a new heterodimer between c-Jun and JunB.

A 3-year-old Asian female presented with fever for 1 week and neck swelling for 1 day. Serology revealed a recent Epstein-Barr virus (EBV) infection. Late on the evening of admission, she developed confusion and would not follow commands. A CT scan showed diffuse cerebral edema and a cerebral flow scan demonstrated no blood flow to the brain.