Allergen Stocks List
Symbol | Grade | Name | % Change | |
---|---|---|---|---|
NC | F | NACCO Industries, Inc. | -0.91 | |
NEOG | D | Neogen Corporation | 0.71 |
Related Industries: Coal Diagnostics & Research
Symbol | Grade | Name | Weight | |
---|---|---|---|---|
XHE | C | SPDR S&P Health Care Equipment | 1.91 | |
IVEG | A | iShares Emergent Food and AgTech Multisector ETF | 1.16 | |
SMCP | C | AlphaMark Actively Managed Small Cap ETF | 0.93 | |
MOO | A | Market Vectors Agribusiness ETF | 0.77 | |
SBB | F | ProShares Short SmallCap600 | 0.47 |
Compare ETFs
Date | Stock | Title |
---|---|---|
Oct 1 | NEOG | Neogen Announces the Appointment of New Board Member |
- Allergen
An allergen is a type of antigen that produces an abnormally vigorous immune response in which the immune system fights off a perceived threat that would otherwise be harmless to the body. Such reactions are called allergies.
In technical terms, an allergen is an antigen that is capable of stimulating a type-I hypersensitivity reaction in atopic individuals through Immunoglobulin E (IgE) responses. Most humans mount significant Immunoglobulin E responses only as a defense against parasitic infections. However, some individuals may respond to many common environmental antigens. This hereditary predisposition is called atopy. In atopic individuals, non-parasitic antigens stimulate inappropriate IgE production, leading to type I hypersensitivity.
Sensitivities vary widely from one person (or from one animal) to another. A very broad range of substances can be allergens to sensitive individuals.
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