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Träfflista för sökning "WFRF:(Ye L. L.) srt2:(2000-2004);pers:(Dong X)"

Sökning: WFRF:(Ye L. L.) > (2000-2004) > Dong X

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1.
  • Ye, Q, et al. (författare)
  • A novel pattern of pp65-positive cytomegalic endothelial cells circulating in peripheral blood from a renal transplant recipient
  • 2004
  • Ingår i: Acta Histochemica. - : Elsevier BV. - 0065-1281. ; 106:2, s. 107-110
  • Tidskriftsartikel (refereegranskat)abstract
    • The present study reports a novel pattern of cytomegalic endothelial cells (CEC) in peripheral blood from a female renal transplant recipient infected with human cytomegalovirus (HCMV), which has not been reported previously. Localization of specific early antigen of HCMV, pp65 antigen, was examined by immunohistochemistry. Staining of an endothelial cell marker (CD34) was used to characterize endothelial cells. It is demonstrated that many leukocytes surrounded and adhered to a protein-like material, in which pp65-positive CEC were detected. The composition and function of this protein-like material are yet unknown. The patient tacked clinical symptoms of HCMV disease. Furthermore, similar localization patterns were found in other renal. transplant recipients suffering from HCMV infections as determined by real-time PCR to detect HCMV DNA in blood. These patients showed no or only minor clinical symptoms of HCMV infection. It is suggested that these novel Localization patterns of CEC may play a role in the host defense in patients infected with HCMV, but the exact relation between HCMV infection and CEC formation needs further investigation. (C) 2004 Elsevier GmbH. All rights reserved.
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2.
  • Ye, Q, et al. (författare)
  • Prospective study of relationship between cytomegalovirus pneumonia and viral load in renal transplant recipients
  • 2004
  • Ingår i: Transplantation Proceedings. - : Elsevier BV. - 0041-1345. ; 36:10, s. 3036-3041
  • Tidskriftsartikel (refereegranskat)abstract
    • The present study prospectively examined the relationship between cytomegalovirus interstitial pneumonia (CMV-IP) and viral load among 56 renal transplant recipients. We sought to identify the cutoff of viral load to predict CMV-IP. Blood samples were obtained weekly within the first 2 months and every second week during 2 to 6 months after kidney transplantations. A commercial real-time polymerase chain reaction (PCR)-method was applied to quantify CMV-DNA in plasma or in leukocytes. Among 54 renal transplant recipients who were analyzed for CMV-DNA in the blood (96.4%), 8 experienced CMV-IP (14.3%) and 2 died (3.6%). After kidney transplantation, CMV-DNA loads were near 0 in plasma before the week 4 and before the week 3 in leukocytes among both groups. From week 5 (week 4, in leukocytes), plasma CMV-DNA loads in the CMV-IP group increased, the peak value reached at week 8 in plasma and the week 9 in leukocytes. Whereas, the CMV-DNA loads both in plasma and in leukocytes in the non-CMV-IP group fluctuated at lower levels, those in plasma were significantly different between the 2 groups at the weeks 5, 7, and 9. For CMV-DNA in leukocytes, there were significant differences between 2 groups from week 6 to week 11. The present study demonstrated that dynamic determination of CMV-DNA may predict the occurrence of CMV-IP. Viral loads over 10(4) copies/mL plasma continuing for 3 weeks may serve as a cutoff to predict CMV-IP.
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3.
  • Zhang, XY, et al. (författare)
  • Expression pattern of apolipoprotein M during mouse and human embryogenesis
  • 2004
  • Ingår i: Acta Histochemica. - : Elsevier BV. - 0065-1281. ; 106:2, s. 123-128
  • Tidskriftsartikel (refereegranskat)abstract
    • Apolipoprotein M (apoM) is a recently discovered human apolipoprotein predominantly present in high-density lipoprotein (HDL), and in minor proportions in triglyceride-rich lipoprotein (TGRLP) and low-density lipoprotein (LDL). The gene encoding apoM is present in all mammalian genomes. The identity of the apoM gene of human, rat and mouse is over 80%. However, the (patho)physiological functions of apoM are unknown yet. In the present study, we investigated apoM expression patterns during mouse and human embryogenesis. ApoM transcripts were detectable in mouse embryos from day 7.5 to day 18.5. ApoM was expressed at low levels at day 7.5, its expression increased significantly at day 9.7, decreased at day 10.5, and then increased continually up to day 18.5. ApoM-positive cells appeared mainly in liver of day-12 embryos as detected by in situ hybridization. In day-15 embryos, apoM was expressed in both liver and kidney. During human embryogenesis, apoM was mainly expressed in liver and kidney and little was found in small intestine as determined by mRNA array of human fetal. normal tissues. ApoM was also detected in stomach and skeletal muscle in early stages of embryogenesis (3-5 months). (C) 2004 Elsevier GmbH. All rights reserved.
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4.
  • Zhang, XY, et al. (författare)
  • Specific tissue expression and cellular localization of human apolipoprotein M as determined by in situ hybridization
  • 2003
  • Ingår i: Acta Histochemica. - : Elsevier BV. - 0065-1281. ; 105:1, s. 67-72
  • Tidskriftsartikel (refereegranskat)abstract
    • Apolipoprotein M (apoM) is a recently discovered human apolipoprotein predominantly present in high-density lipoprotein (HDL), and in minor proportion in triglyceride-rich lipoprotein (TGRLP) and low-density lipoprotein (LDL). The gene coding for apoM has been detected in all mammal genomes. The function of apoM is unknown yet. In the present study, we demonstrated that apoM is exclusively expressed in a strong manner in adult liver and kidney, and is expressed weakly in fetal liver and kidney as detected with human multiple tissue expression array. Both immumohistochemical staining and apoM mRNA in situ hybridization demonstrated that apoM was exclusively expressed in hepatocytes in human liver and in tubular epithelial cells in human kidney. The present study helps to elucidate the pathophysiological functions of apoM in vivo.
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