Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=25875022
&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 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 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
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\25875022
.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
(4
): e0124445
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Fibrinolysis and proliferative endarteritis: two related processes in chronic
infections? The model of the blood-borne pathogen Dirofilaria immitis
#MMPMID25875022
González-Miguel J
; Morchón R
; Siles-Lucas M
; Simón F
PLoS One
2015[]; 10
(4
): e0124445
PMID25875022
show ga
The interaction between blood-borne pathogens and fibrinolysis is one of the most
important mechanisms that mediate invasion and the establishment of infectious
agents in their hosts. However, overproduction of plasmin (final product of the
route) has been related in other contexts to proliferation and migration of the
arterial wall cells and degradation of the extracellular matrix. We have recently
identified fibrinolysis-activating antigens from Dirofilaria immitis, a
blood-borne parasite whose key pathological event (proliferative endarteritis) is
produced by similar mechanisms to those indicated above. The objective of this
work is to study how two of this antigens [actin (ACT) and fructose-bisphosphate
aldolase (FBAL)] highly conserved in pathogens, activate fibrinolysis and to
establish a relationship between this activation and the development of
proliferative endarteritis during cardiopulmonary dirofilariasis. We demonstrate
that both proteins bind plasminogen, enhance plasmin generation, stimulate the
expression of the fibrinolytic activators tPA and uPA in endothelial cell
cultures and are located on the surface of the worm in contact with the host's
blood. ELISA, western blot and immunofluorescence techniques were employed for
this purpose. Additionally, the implication of lysine residues in this
interaction was analyzed by bioinformatics. The involvement of plasmin generated
by the ACT/FBAL and plasminogen binding in cell proliferation and migration, and
degradation of the extracellular matrix were shown in an "in vitro" model of
endothelial and smooth muscle cells in culture. The obtained results indicate
that ACT and FBAL from D. immitis activate fibrinolysis, which could be used by
the parasite like a survival mechanism to avoid the clot formation. However,
long-term overproduction of plasmin can trigger pathological events similar to
those described in the emergence of proliferative endarteritis. Due to the high
degree of evolutionary conservation of these antigens, similar processes may
occur in other blood-borne pathogens.