Abcam, ab108736, Human Anti-Helicobacter pylori IgG ELISA Kit

Size: 1 x 96Tests
Human Anti-Helicobacter pylori IgG ELISA Kit is an indirect ELISA for the qualitative detection of IgG class antibodies against Helicobacter pylori in human plasma and serum samples. - Colorimetric readout - 450 nm - Works on any standard plate reader - Easy results interpretation - Cut-off, positive and negative controls included
Key facts
Detection method:Colorimetric,
Sample types:Citrate plasma, Heparin Plasma, Serum,
Reacts with:Human,
Assay type:Indirect,
Sensitivity:= 3 U/mL,
Range:3 - 150 U/mL,
Assay Platform:Microplate

Product details:
Abcam's anti-Helicobacter pylori IgG Human
in vitro
ELISA (Enzyme-Linked Immunosorbent Assay) kit is designed for the accurate quantitative measurement of IgG class antibodies against Helicobacter pylori in Human serum and plasma.
A 96-well plate has been precoated with Helicobacter pylori antigens to bind cognate antibodies. Controls or test samples are added to the wells and incubated. Following washing, a horseradish peroxidase (HRP) labelled anti-Human IgG conjugate is added to the wells, which binds to the immobilized Helicobacter pylori-specific antibodies. TMB is then catalyzed by the HRP to produce a blue color product that changes to yellow after adding an acidic stop solution. The density of yellow coloration is directly proportional to the amount of Helicobacter pylori IgG sample captured in plate.

Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C, Storage information-+4°C

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Helicobacter pylori IgG often referred to as H. pylori IgG is an immunoglobulin produced in response to infection by the bacterium Helicobacter pylori. This bacterium is known for its spiral shape and Gram-negative characteristics. The molecular weight of the IgG antibody varies but generally is around 150 kDa. It is primarily expressed in response to colonization in the gastric mucosa which leads to increased immune response detectable in the bloodstream. The detection of H. pylori IgG in serological assays helps in diagnosing active or previous H. pylori infections.
Biological function summary
Antibodies such as IgG are part of the immune response working to neutralize pathogens like Helicobacter pylori. H. pylori IgG is not part of a larger protein complex but it interacts directly with antigens on the surface of the bacterial cells. By binding to these antigens H. pylori IgG plays a critical role in opsonization which facilitates the recognition and destruction of the bacteria by immune cells thereby contributing to host defense mechanisms.
Pathways
The H. pylori IgG operates within the broader context of the adaptive immune response pathway. This pathway involves numerous other proteins such as immunoglobulin M (IgM) and T-cell receptors. Together these components coordinate to mount an effective immune response against H. pylori as well as other pathogens. The H. pylori infection triggers a cascade in the immune system that leads to the activation of B cells which produce specific IgG antibodies tailored to recognize the pathogen.
Helicobacter pylori infection links closely to chronic gastritis and peptic ulcers. The presence of H. pylori IgG helps clinicians to evaluate such conditions related to gastric mucosal inflammation. These antibodies facilitate the detection of persistent infection contributing to the diagnosis and subsequent treatment strategies. The protein cytokine interleukin-8 (IL-8) also plays an essential role in inflammatory responses during H. pylori infection demonstrating the interconnectedness of immune components in addressing gastric diseases.