Introduction: Transplant recipients have a significantly greater incidence of cancer, compared with the general population, who are referred to immunosuppressive therapy as an additional malignancy risk factor. Therefore, there is a need to search for an easy in clinical practice neoplasm predictor, especially for this group of patients.
Materials And Methods: A group of 74 (43M and 31F; aged 46.
Microarray analysis has been used for screening genes involved in specific biological processes. Many studies have shown that restriction factors may play an important role in xenotransplantation safety, but it is still unclear whether porcine endogenous retroviruses (PERVs) may be inhibited by these factors. Therefore, the present study focused on the microarray analysis retroviral restriction factors gene expression in normal human dermal fibroblasts (NHDFs) in response to PERVs.
View Article and Find Full Text PDFThe aim of this study was to evaluate adrenergic responses in the peripheral blood of trained road cyclists at rest, at maximal intensity of incremental bicycle exercise test, and during 15 minutes of recovery, as well as the relationship between them. Competitive male road cyclists, in the pre-competitive phase of a season, mean age 21.7 ± 6.
View Article and Find Full Text PDFThe present study focused on the identification of the difference in expression of inflammation-related genes after intense exercise by oligonucleotide microarray methods. This may finally lead to an improved understanding of underlying cellular and molecular mechanism of the immunological alterations in response to exercises. The study group consisted of three healthy road cyclists.
View Article and Find Full Text PDFIn the context of the shortage of organs and other tissues for use in human transplantation, xenotransplantation procedures with material taken from pigs have come under increased consideration. However, there are unclear consequences of the potential transmission of porcine pathogens to humans. Of particular concern are porcine endogenous retroviruses (PERVs).
View Article and Find Full Text PDFThe molecular mechanism formation of secondary epiretinal membranes (ERMs) after proliferative diabetic retinopathy (PDR) or primary idiopathic ERMs is still poorly understood. Therefore, the present study focused on the assessment of IGF1, IGF1R, and IGFBP3 mRNA levels in ERMs and PBMCs from patients with PDR. The examined group comprised 6 patients with secondary ERMs after PDR and the control group consisted of 11 patients with idiopathic ERMs.
View Article and Find Full Text PDFBackground: The present study focuses on explaining the interaction between porcine endogenous retroviruses (PERVs) and human cells in inflammatory conditions. The differences in expression of selected inflammation-related genes in human dermal fibroblasts (NHDF) infected with PERVs with and without lipopolysaccharide stimulation were identified.
Material And Methods: The PERV infectivity was analyzed using a co-culture of NHDF and PK15 cells.
Purpose: The aim of the study was to investigate the expression of selected genes encoding enzymes involved in the antioxidant defense system (superoxide dismutase 2, SOD2; aldehyde dehydrogenase 1, ALDH1A1; microsomal glutathione S-transferase 1, MGST1) in fragments of anterior lens capsules of patients with pseudoexfoliation syndrome (PEX). The specificity and sensitivity of these molecular markers for PEX development were also assessed.
Methods: The study group consisted of 20 patients (9 women and 11 men) with diagnosed PEX and cataract.
The pig appears to be the most promising animal donor of organs for use in human recipients. Among several types of pathogens found in pigs, one of the greatest problems is presented by porcine endogenous retroviruses (PERVs). Screening of the source pig herd for PERVs should include analysis of both PERV DNA and RNA.
View Article and Find Full Text PDFThe present study focuses on the assessment of porcine endogenous retrovirus (PERV) release from PK15 cells in a time dependent manner. The highest amount of PERV A RNA was detected in PK15 cells after 16 hours of culture. The highest amount of PERV B RNA was detected in PK15 cells after 20 hours.
View Article and Find Full Text PDFObjective: The present study has focused on the identification of differences between the expression pattern of TGF-β signaling pathway genes in athletes after exercise.
Materials And Methods: The study group consisted of three healthy cyclists, which were collected pre-exercise, immediately postexercise, and after 15 min of recovery. The analysis of the expression profile of genes related to the TGF-β signal transduction pathway was performed in peripheral blood mononuclear cells using HG-U133A oligonucleotide microarrays.
Objective: The present study has focused on the identification of the differences between expression patterns of kinin-dependent genes in endometrial cancer with the use of real-time quantitative reverse transcription polymerase chain reaction and oligonucleotide microarray.
Materials And Methods: The study group consisted of 50 endometrium samples collected from women with endometrial cancer. Gene expression of kinin receptors BR1 and BR2 was evaluated with real-time quantitative reverse transcription polymerase chain reaction.
Purpose: Xenotransplantations of porcine cells, tissues, and organs involve a risk of zoonotic viral infections in recipients, including by porcine endogenous retroviruses (PERVs), which are embedded the genome of all pigs. An appropriate preparation of porcine heart valves for transplantation can prevent retroviral infection. Therefore, the present study focuses on the effect of epoxy compounds and glutaraldehyde on the PERV presence in porcine heart valves prepared for clinical use.
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