Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=26339660
&cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\26339660
.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Immunol+Res
2015 ; 2015
(ä): 793292
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Impairments of Antigen-Presenting Cells in Pulmonary Tuberculosis
#MMPMID26339660
Sakhno LV
; Shevela EY
; Tikhonova MA
; Nikonov SD
; Ostanin AA
; Chernykh ER
J Immunol Res
2015[]; 2015
(ä): 793292
PMID26339660
show ga
The phenotype and functional properties of antigen-presenting cells (APC), that
is, circulating monocytes and generated in vitro macrophages and dendritic cells,
were investigated in the patients with pulmonary tuberculosis (TB) differing in
lymphocyte reactivity to M. tuberculosis antigens (PPD-reactive versus
PPD-anergic patients). We revealed the distinct impairments in patient APC
functions. For example, the monocyte dysfunctions were displayed by low CD86 and
HLA-DR expression, 2-fold increase in CD14(+)CD16(+) expression, the high numbers
of IL-10-producing cells, and enhanced IL-10 and IL-6 production upon
LPS-stimulation. The macrophages which were in vitro generated from peripheral
blood monocytes under GM-CSF were characterized by Th1/Th2-balance shifting
(downproduction of IFN-? coupled with upproduction of IL-10) and by reducing of
allostimulatory activity in mixed lymphocyte culture. The dendritic cells
(generated in vitro from peripheral blood monocytes upon GM-CSF + IFN-?) were
characterized by impaired maturation/activation, a lower level of IFN-?
production in conjunction with an enhanced capacity to produce IL-10 and IL-6,
and a profound reduction of allostimulatory activity. The APC dysfunctions were
found to be most prominent in PPD-anergic patients. The possible role of APC
impairments in reducing the antigen-specific T-cell response to M. tuberculosis
was discussed.