Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 245.2 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\28367148
.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Front+Immunol
2017 ; 8
(ä): 284
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Reduction of T-Helper Cell Responses to Recall Antigen Mediated by Codelivery
with Peptidoglycan via the Intestinal Nanomineral-Antigen Pathway
#MMPMID28367148
Front Immunol
2017[]; 8
(ä): 284
PMID28367148
show ga
Naturally occurring intestinal nanomineral particles constituently form in the
mammalian gut and trap luminal protein and microbial components. These cargo
loaded nanominerals are actively scavenged by M cells of intestinal immune
follicles, such as Peyer's patches and are passed to antigen-presenting cells.
Using peripheral blood mononuclear cell populations as an in vitro model of
nanomineral uptake and antigen presentation, we show that monocytes avidly
phagocytose nanomineral particles bearing antigen and peptidoglycan (PGN), and
that the presence of PGN within particles downregulates their cell surface MHC
class II and upregulates programmed death receptor ligand 1. Nanomineral delivery
of antigen suppresses antigen-specific CD4(+) T cell responses, an effect that is
enhanced in the presence of PGN. Blocking the interleukin-10 receptor restores
CD4(+) T cell responses to antigen codelivered with PGN in nanomineral form.
Using human intestinal specimens, we have shown that the in vivo nanomineral
pathway operates in an interleukin-10 rich environment. Consequently, the
delivery of a dual antigen-PGN cargo by endogenous nanomineral in vivo is likely
to be important in the establishment of intestinal tolerance, while their
synthetic mimetics present a potential delivery system for therapeutic
applications targeting the modulation of Peyer's patch T cell responses.