g(m1)-ganglioside and Poultry-Diseases

g(m1)-ganglioside has been researched along with Poultry-Diseases* in 2 studies

Other Studies

2 other study(ies) available for g(m1)-ganglioside and Poultry-Diseases

Article	Year
Intestinal intraepithelial and splenic natural killer cell responses to eimerian infections in inbred chickens. Infection and immunity, 1989, Volume: 57, Issue:7 Splenic and intestinal natural killer (NK) cell responses were assessed in chickens inoculated with Eimeria parasites. The NK cell activities of both splenic and intestinal intraepithelial lymphocytes (IELs) decreased to a subnormal level during the early phase of eimerian infections but returned to normal or slightly higher than normal levels at about 1 week after the primary inoculation. Lymphocytes obtained from the lamina propria did not show any detectable level of NK cell activity during or following eimerian infections. Significant increases in splenic and intestinal IEL NK cell activities were seen during the early phase of secondary infection. The increase in the IEL NK cell activity that was seen shortly following secondary eimerian infection was accompanied by a substantial increase in the number of IELs expressing the asialo-GM1 antigen. Host strain differences in both splenic and IEL NK cell responses were detected following primary eimerian infections. These results suggest that both splenic and intestinal IEL NK cells may play an important role in the host defense against intestinal protozoan infections. Topics: Animals; Chickens; Coccidiosis; Cytotoxicity, Immunologic; Duodenum; Epithelium; Flow Cytometry; G(M1) Ganglioside; Glycosphingolipids; Immunization, Secondary; Intestinal Mucosa; Isoantigens; Jejunum; Killer Cells, Natural; Poultry Diseases; Spleen; Zygote	1989
Enterotoxin production and serogroups of Campylobacter jejuni and Campylobacter coli from patients with diarrhea and from healthy laying hens. Journal of clinical microbiology, 1989, Volume: 27, Issue:6 Enterotoxin production, a possible virulence factor, was determined in Campylobacter jejuni and Campylobacter coli by two different techniques, the CHO cell test and the GM1 enzyme-linked immunosorbent assay. The frequency of enterotoxigenic Campylobacter strains was 32% in strains from both humans with acute enteritis and healthy laying hens, as measured by the CHO cell test. The CHO cell test was significantly more sensitive than the GM1 enzyme-linked immunosorbent assay in the detection of enterotoxigenic strains. Enterotoxin production was compared with the presence of heat-stable and heat-labile antigens. There was no significant correlation between enterotoxin production and serogroups for C. jejuni or C. coli. The difference in enterotoxigenicity between C. jejuni (34.1%) and C. coli (21.9%) was not significant. Topics: Acute Disease; Adolescent; Adult; Animals; Campylobacter; Campylobacter fetus; Campylobacter Infections; Carrier State; Cell Line; Chickens; Diarrhea; Enterotoxins; Enzyme-Linked Immunosorbent Assay; Female; G(M1) Ganglioside; Humans; Poultry Diseases; Serotyping; Virulence	1989

Article

Year

Intestinal intraepithelial and splenic natural killer cell responses to eimerian infections in inbred chickens.

Infection and immunity, 1989, Volume: 57, Issue:7

Splenic and intestinal natural killer (NK) cell responses were assessed in chickens inoculated with Eimeria parasites. The NK cell activities of both splenic and intestinal intraepithelial lymphocytes (IELs) decreased to a subnormal level during the early phase of eimerian infections but returned to normal or slightly higher than normal levels at about 1 week after the primary inoculation. Lymphocytes obtained from the lamina propria did not show any detectable level of NK cell activity during or following eimerian infections. Significant increases in splenic and intestinal IEL NK cell activities were seen during the early phase of secondary infection. The increase in the IEL NK cell activity that was seen shortly following secondary eimerian infection was accompanied by a substantial increase in the number of IELs expressing the asialo-GM1 antigen. Host strain differences in both splenic and IEL NK cell responses were detected following primary eimerian infections. These results suggest that both splenic and intestinal IEL NK cells may play an important role in the host defense against intestinal protozoan infections.

Topics: Animals; Chickens; Coccidiosis; Cytotoxicity, Immunologic; Duodenum; Epithelium; Flow Cytometry; G(M1) Ganglioside; Glycosphingolipids; Immunization, Secondary; Intestinal Mucosa; Isoantigens; Jejunum; Killer Cells, Natural; Poultry Diseases; Spleen; Zygote

1989

Enterotoxin production and serogroups of Campylobacter jejuni and Campylobacter coli from patients with diarrhea and from healthy laying hens.

Journal of clinical microbiology, 1989, Volume: 27, Issue:6

Enterotoxin production, a possible virulence factor, was determined in Campylobacter jejuni and Campylobacter coli by two different techniques, the CHO cell test and the GM1 enzyme-linked immunosorbent assay. The frequency of enterotoxigenic Campylobacter strains was 32% in strains from both humans with acute enteritis and healthy laying hens, as measured by the CHO cell test. The CHO cell test was significantly more sensitive than the GM1 enzyme-linked immunosorbent assay in the detection of enterotoxigenic strains. Enterotoxin production was compared with the presence of heat-stable and heat-labile antigens. There was no significant correlation between enterotoxin production and serogroups for C. jejuni or C. coli. The difference in enterotoxigenicity between C. jejuni (34.1%) and C. coli (21.9%) was not significant.

Topics: Acute Disease; Adolescent; Adult; Animals; Campylobacter; Campylobacter fetus; Campylobacter Infections; Carrier State; Cell Line; Chickens; Diarrhea; Enterotoxins; Enzyme-Linked Immunosorbent Assay; Female; G(M1) Ganglioside; Humans; Poultry Diseases; Serotyping; Virulence

1989