Serological investigations on patients with hemolytic uremic syndromes due to enterohemorrhagic Escherichia coli O157:H7 infection

Jianguo Xu, Bokun Cheng, Liping Feng, Huaiqi Jing, Jinchuan Yang, Guangfa Zhao, Hua Wang, Hongwei Li

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

OBJECTIVE: To investigate the etiological agent of patients with diarrhea followed by acute kidney failure symptoms in China, 1999. METHODS: Western blot was used to detect serum specific antibodies of patients against entero-haemorrhagic Escherichia coli hemolysin (EHEC-Hly) and lipo-polysaccharide of E. coli O157. RESULTS: Twenty-one and 16 of 42 patients showed positive reaction of specific IgG or IgM antibodies against EHEC-Hly respectively. Eleven of 42 serum samples were positive for having both IgG and IgM antibodies while 26 of 42 samples were positive for IgG or IgM. For E. coli O157 LPS test, 24 and 24 of 42 samples showed positive for IgG or IgM antibodies respectively. In 42 samples, 20 were positive for IgG and IgM while 29 were positive for IgG or IgM. CONCLUSIONS: Twenty-two of 42 samples were reacted with EHEC-Hly and E. coli O157 LPS, but 34 of 42 samples were positive for EHEC-Hly or E. coli O157. In combination of western blot results, bacterial isolation clinical symptoms and epidemiological investigation findings, it was reasonable to conclude that this cluster of patients with distinguish clinical symptoms was caused by E. coli O157:H7, which had never been reported in China. Hence serological methods with EHEC-Hly and E. coli O157 LPS are valuable for diagnosis of infections of E. coli O157:H7, when bacterial isolation is failed.

Original languageEnglish (US)
Pages (from-to)114-118
Number of pages5
JournalZhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi
Volume23
Issue number2
StatePublished - Apr 2002
Externally publishedYes

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Enterohemorrhagic Escherichia coli
Hemolytic-Uremic Syndrome
Escherichia coli O157
Hemolysin Proteins
Immunoglobulin M
Immunoglobulin G
Infection
Escherichia coli
Antibodies
China
Western Blotting
Proxy
Serum
Acute Kidney Injury
Polysaccharides
Diarrhea

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Serological investigations on patients with hemolytic uremic syndromes due to enterohemorrhagic Escherichia coli O157:H7 infection. / Xu, Jianguo; Cheng, Bokun; Feng, Liping; Jing, Huaiqi; Yang, Jinchuan; Zhao, Guangfa; Wang, Hua; Li, Hongwei.

In: Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi, Vol. 23, No. 2, 04.2002, p. 114-118.

Research output: Contribution to journalArticle

Xu, Jianguo ; Cheng, Bokun ; Feng, Liping ; Jing, Huaiqi ; Yang, Jinchuan ; Zhao, Guangfa ; Wang, Hua ; Li, Hongwei. / Serological investigations on patients with hemolytic uremic syndromes due to enterohemorrhagic Escherichia coli O157:H7 infection. In: Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi. 2002 ; Vol. 23, No. 2. pp. 114-118.
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abstract = "OBJECTIVE: To investigate the etiological agent of patients with diarrhea followed by acute kidney failure symptoms in China, 1999. METHODS: Western blot was used to detect serum specific antibodies of patients against entero-haemorrhagic Escherichia coli hemolysin (EHEC-Hly) and lipo-polysaccharide of E. coli O157. RESULTS: Twenty-one and 16 of 42 patients showed positive reaction of specific IgG or IgM antibodies against EHEC-Hly respectively. Eleven of 42 serum samples were positive for having both IgG and IgM antibodies while 26 of 42 samples were positive for IgG or IgM. For E. coli O157 LPS test, 24 and 24 of 42 samples showed positive for IgG or IgM antibodies respectively. In 42 samples, 20 were positive for IgG and IgM while 29 were positive for IgG or IgM. CONCLUSIONS: Twenty-two of 42 samples were reacted with EHEC-Hly and E. coli O157 LPS, but 34 of 42 samples were positive for EHEC-Hly or E. coli O157. In combination of western blot results, bacterial isolation clinical symptoms and epidemiological investigation findings, it was reasonable to conclude that this cluster of patients with distinguish clinical symptoms was caused by E. coli O157:H7, which had never been reported in China. Hence serological methods with EHEC-Hly and E. coli O157 LPS are valuable for diagnosis of infections of E. coli O157:H7, when bacterial isolation is failed.",
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AU - Zhao, Guangfa

AU - Wang, Hua

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AB - OBJECTIVE: To investigate the etiological agent of patients with diarrhea followed by acute kidney failure symptoms in China, 1999. METHODS: Western blot was used to detect serum specific antibodies of patients against entero-haemorrhagic Escherichia coli hemolysin (EHEC-Hly) and lipo-polysaccharide of E. coli O157. RESULTS: Twenty-one and 16 of 42 patients showed positive reaction of specific IgG or IgM antibodies against EHEC-Hly respectively. Eleven of 42 serum samples were positive for having both IgG and IgM antibodies while 26 of 42 samples were positive for IgG or IgM. For E. coli O157 LPS test, 24 and 24 of 42 samples showed positive for IgG or IgM antibodies respectively. In 42 samples, 20 were positive for IgG and IgM while 29 were positive for IgG or IgM. CONCLUSIONS: Twenty-two of 42 samples were reacted with EHEC-Hly and E. coli O157 LPS, but 34 of 42 samples were positive for EHEC-Hly or E. coli O157. In combination of western blot results, bacterial isolation clinical symptoms and epidemiological investigation findings, it was reasonable to conclude that this cluster of patients with distinguish clinical symptoms was caused by E. coli O157:H7, which had never been reported in China. Hence serological methods with EHEC-Hly and E. coli O157 LPS are valuable for diagnosis of infections of E. coli O157:H7, when bacterial isolation is failed.

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