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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 PLoS+One
2015 ; 10
(3
): e0122739
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
The injured liver induces hyperimmunoglobulinemia by failing to dispose of
antigens and endotoxins in the portal system
#MMPMID25826264
Liu WT
; Jing YY
; Han ZP
; Li XN
; Liu Y
; Lai FB
; Li R
; Zhao QD
; Wu MC
; Wei LX
PLoS One
2015[]; 10
(3
): e0122739
PMID25826264
show ga
Hyperimmunoglobulinemia is frequently observed in patients with chronic liver
diseases. However, the exact mechanism underlying the high level of antibody
formation is not fully understood. In our study, we provide evidence for the
functional role of the liver and the stimulation of plasma cell proliferation in
hyperimmunoglobulinemia. We collected sera from patients with chronic liver
diseases, and the level of serum immunoglobulins in patients was examined; this
was also investigated in animal models of liver cirrhosis and hepatocellular
carcinoma. An end-to-side microsurgical portacaval shunt was used to mimic liver
dysfunction in rats. We used portal vein serum and inferior vena cava serum to
immunize healthy rats and mice in order to confirm the function of the healthy
liver in disposing of antigens and endotoxins from the gut. For the analysis of
the state of plasma cell activation, plasma cells from mice were stained with
PE-conjugated anti-CD138 and FITC-conjugated anti-BrdU for flow cytometry
analysis. Hyperimmunoglobulinemia was observed both in patients with chronic
liver diseases and in related animal models, and high plasma LPS levels were also
observed. There was a significant increase in the activation and proliferation of
plasma cell in mice immunized with antigens or LPS-positive serum compared with
controls that were immunized with antigens and LPS-negative serum. We confirmed
that the healthy liver plays an important role in disposing of antigens and
endotoxins derived from the gut. Hyperimmunoglobulinemia in chronic liver
diseases mainly arises due to the collateral circulation secondary to portal
hypertension, gut antigens and endotoxins that bypass the liver and reach the
antibody-producing cells.