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10.1016/s0140-6736(02)11772-7 http://scihub22266oqcxt.onion/10.1016/s0140-6736(02)11772-7 12480361!ä!12480361 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 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       Lancet 2002 ; 360 (9348): 1831-7 Nephropedia Template TP {{tp|p=12480361|t=2002. Induction of proinflammatory cytokines in human macrophages by influenza A (H5N1) viruses: a mechanism for the unusual severity of human disease?|pdf=|usr=}}{{12480361}} gab.com Text Induction of proinflammatory cytokines in human macrophages by influenza A (H5N1) viruses: a mechanism for the unusual severity of human disease JO: Lancet http://www.kidney.de/pget.php?&tw=1&pmid=12480361 #FOAvip BACKGROUND: In 1997, the first documented instance of human respiratory disease and death associated with a purely avian H5N1 influenza virus resulted in an overall case-fatality rate of 33%. The biological basis for the severity of human H5N1 disease has remained unclear. We tested the hypothesis that virus-induced cytokine dysregulation has a role. METHODS: We used cDNA arrays and quantitative RT-PCR to compare the profile of cytokine gene expression induced by viruses A/HK/486/97 and A/HK/483/97 (both H5N1/97) with that of human H3N2 and H1N1 viruses in human primary monocyte-derived macrophages in vitro. Secretion of tumour necrosis factor alpha (TNF alpha) from macrophages infected with the viruses was compared by ELISA. By use of naturally occurring viral reassortants and recombinant viruses generated by reverse genetic techniques, we investigated the viral genes associated with the TNF-alpha response. FINDINGS: The H5N1/97 viruses induced much higher gene transcription of proinflammatory cytokines than did H3N2 or H1N1 viruses, particularly TNF alpha and interferon beta. The concentration of TNF-alpha protein in culture supernatants of macrophages infected with these viruses was similar to that induced by stimulation with Escherichia coli lipopolysaccharide. The non-structural (NS) gene-segment of H5N1/97 viruses contributed to the increase in TNF alpha induced by the virus. INTERPRETATION: The H5N1/97 viruses are potent inducers of proinflammatory cytokines in macrophages, the most notable being TNF alpha. This characteristic may contribute to the unusual severity of human H5N1 disease. Twit Text FOAVip Induction of proinflammatory cytokines in human macrophages by influenza A (H5N1) viruses: a mechanism for the unusual severity of human disease ????Lancet http://www.kidney.de/pget.php?&tw=1&pmid=12480361 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=12480361 #FOAvip English Wikipedia <ref>{{Cite pmid|12480361}}</ref> Induction of proinflammatory cytokines in human macrophages by influenza A (H5N1) viruses: a mechanism for the unusual severity of human disease? #MMPMID12480361 Cheung CY; Poon LL; Lau AS; Luk W; Lau YL; Shortridge KF; Gordon S; Guan Y; Peiris JS Lancet 2002[Dec]; 360 (9348): 1831-7 PMID12480361show ga BACKGROUND: In 1997, the first documented instance of human respiratory disease and death associated with a purely avian H5N1 influenza virus resulted in an overall case-fatality rate of 33%. The biological basis for the severity of human H5N1 disease has remained unclear. We tested the hypothesis that virus-induced cytokine dysregulation has a role. METHODS: We used cDNA arrays and quantitative RT-PCR to compare the profile of cytokine gene expression induced by viruses A/HK/486/97 and A/HK/483/97 (both H5N1/97) with that of human H3N2 and H1N1 viruses in human primary monocyte-derived macrophages in vitro. Secretion of tumour necrosis factor alpha (TNF alpha) from macrophages infected with the viruses was compared by ELISA. By use of naturally occurring viral reassortants and recombinant viruses generated by reverse genetic techniques, we investigated the viral genes associated with the TNF-alpha response. FINDINGS: The H5N1/97 viruses induced much higher gene transcription of proinflammatory cytokines than did H3N2 or H1N1 viruses, particularly TNF alpha and interferon beta. The concentration of TNF-alpha protein in culture supernatants of macrophages infected with these viruses was similar to that induced by stimulation with Escherichia coli lipopolysaccharide. The non-structural (NS) gene-segment of H5N1/97 viruses contributed to the increase in TNF alpha induced by the virus. INTERPRETATION: The H5N1/97 viruses are potent inducers of proinflammatory cytokines in macrophages, the most notable being TNF alpha. This characteristic may contribute to the unusual severity of human H5N1 disease. |Alphainfluenzavirus/genetics/*immunology/*pathogenicity[MESH] |Cells, Cultured[MESH] |Cytokines/*biosynthesis/genetics[MESH] |Gene Expression Regulation[MESH] |Humans[MESH] |Influenza, Human/*immunology/*virology[MESH] |Macrophages/*immunology[MESH] |RNA, Messenger/analysis[MESH] |Severity of Illness Index[MESH]Induction of proinflammatory cytokines in human macrophages by influen(epmc).pdf DeepDyve Pubget Overpricing