Definition of antigen in English:

antigen

nounˈantɪdʒ(ə)nˈæn(t)ədʒən

A toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
抗原
Example sentencesExamples
- Antibodies against these five antigens were tested in the sera of all workers and controls.
- As a result, the patient's immune system would produce antibodies to attack the foreign antigens.
- All the conjugated peptides were injected together in white rabbits as antigens for antibody production.
- Previous transfusions may sensitize patients to foreign platelet antigens.
- Antibodies are gamma globulins produced by B lymphocytes when antigens enter the body.
- Immunohistochemistry utilizes antibodies to visualize antigens in sections of tissue under the microscope.
- The protein acts like an antigen, prompting the immune cells to attack.
- Finally, the target antigens of the locally produced antibodies have not been fully identified.
- However, the specificity of antibodies for antigens has a bearing on one of the issues in this case, and it is for that reason that I mention it.
- When the synthetic peptide was used as the antigen, a monoclonal antibody was obtained.
- This is a complicated process involving antigens and antibodies.
- But Jordi found ways, using antigens and antibodies, to figure it out.
- As described above, it allows antigenic variation in its antigens to evade the host immune system.
- Once antibodies have been produced for a particular antigen they tend to remain in the body.
- These cells have the potential to present tumour-specific antigens and thereby induce an immune response.
- A healthy body develops antibodies, which hopefully resist the antigens, by binding on them.
- We varied the surface density of antigens such that we could study the detachment of either single or multiple bonds.
- Early risk may suggest a mechanism involving an aberrant immune response to cereal antigens in an immature gut.
- Alternate methods of diagnosing pneumococcal disease are based on the detection of bacterial antigens in body fluids.
- The immune system of a human can differentiate more than one million different foreign proteins, or antigens.

Derivatives

antigenic

adjectiveantɪˈdʒɛnɪk

The very low level of amino acid diversity in antigenic proteins may be cause for optimism in the difficult fight to control global tuberculosis.
Example sentencesExamples
- As one would expect, we found that two different antibodies with different antigenic specificities had different amino acid sequences in the antigen-binding site.
- Although the two isoforms have primarily similar antigenic properties, little is known about their enzymatic properties.
- These cases provide rare views of the processes by which antigenic or enzymatic properties of a protein are modified while still maintaining function.
- This may not be the case with weakly antigenic tumor antigens.

Origin

Early 20th century: via German from French antigène (see anti-, -gen).

Definition of antigen in US English:

antigen

nounˈan(t)əjənˈæn(t)ədʒən

A toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
抗原
Example sentencesExamples
- As described above, it allows antigenic variation in its antigens to evade the host immune system.
- All the conjugated peptides were injected together in white rabbits as antigens for antibody production.
- Once antibodies have been produced for a particular antigen they tend to remain in the body.
- As a result, the patient's immune system would produce antibodies to attack the foreign antigens.
- A healthy body develops antibodies, which hopefully resist the antigens, by binding on them.
- The immune system of a human can differentiate more than one million different foreign proteins, or antigens.
- Alternate methods of diagnosing pneumococcal disease are based on the detection of bacterial antigens in body fluids.
- This is a complicated process involving antigens and antibodies.
- These cells have the potential to present tumour-specific antigens and thereby induce an immune response.
- The protein acts like an antigen, prompting the immune cells to attack.
- When the synthetic peptide was used as the antigen, a monoclonal antibody was obtained.
- Antibodies are gamma globulins produced by B lymphocytes when antigens enter the body.
- Immunohistochemistry utilizes antibodies to visualize antigens in sections of tissue under the microscope.
- However, the specificity of antibodies for antigens has a bearing on one of the issues in this case, and it is for that reason that I mention it.
- Antibodies against these five antigens were tested in the sera of all workers and controls.
- But Jordi found ways, using antigens and antibodies, to figure it out.
- We varied the surface density of antigens such that we could study the detachment of either single or multiple bonds.
- Finally, the target antigens of the locally produced antibodies have not been fully identified.
- Previous transfusions may sensitize patients to foreign platelet antigens.
- Early risk may suggest a mechanism involving an aberrant immune response to cereal antigens in an immature gut.

Origin

Early 20th century: via German from French antigène (see anti-, -gen).

词汇	antigen
释义	Definition of antigen in English: antigen nounˈantɪdʒ(ə)nˈæn(t)ədʒən A toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies. 抗原 Example sentencesExamples Antibodies against these five antigens were tested in the sera of all workers and controls. As a result, the patient's immune system would produce antibodies to attack the foreign antigens. All the conjugated peptides were injected together in white rabbits as antigens for antibody production. Previous transfusions may sensitize patients to foreign platelet antigens. Antibodies are gamma globulins produced by B lymphocytes when antigens enter the body. Immunohistochemistry utilizes antibodies to visualize antigens in sections of tissue under the microscope. The protein acts like an antigen, prompting the immune cells to attack. Finally, the target antigens of the locally produced antibodies have not been fully identified. However, the specificity of antibodies for antigens has a bearing on one of the issues in this case, and it is for that reason that I mention it. When the synthetic peptide was used as the antigen, a monoclonal antibody was obtained. This is a complicated process involving antigens and antibodies. But Jordi found ways, using antigens and antibodies, to figure it out. As described above, it allows antigenic variation in its antigens to evade the host immune system. Once antibodies have been produced for a particular antigen they tend to remain in the body. These cells have the potential to present tumour-specific antigens and thereby induce an immune response. A healthy body develops antibodies, which hopefully resist the antigens, by binding on them. We varied the surface density of antigens such that we could study the detachment of either single or multiple bonds. Early risk may suggest a mechanism involving an aberrant immune response to cereal antigens in an immature gut. Alternate methods of diagnosing pneumococcal disease are based on the detection of bacterial antigens in body fluids. The immune system of a human can differentiate more than one million different foreign proteins, or antigens. Derivatives antigenic adjectiveantɪˈdʒɛnɪk The very low level of amino acid diversity in antigenic proteins may be cause for optimism in the difficult fight to control global tuberculosis. Example sentencesExamples As one would expect, we found that two different antibodies with different antigenic specificities had different amino acid sequences in the antigen-binding site. Although the two isoforms have primarily similar antigenic properties, little is known about their enzymatic properties. These cases provide rare views of the processes by which antigenic or enzymatic properties of a protein are modified while still maintaining function. This may not be the case with weakly antigenic tumor antigens. Origin Early 20th century: via German from French antigène (see anti-, -gen). Definition of antigen in US English: antigen nounˈan(t)əjənˈæn(t)ədʒən A toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies. 抗原 Example sentencesExamples As described above, it allows antigenic variation in its antigens to evade the host immune system. All the conjugated peptides were injected together in white rabbits as antigens for antibody production. Once antibodies have been produced for a particular antigen they tend to remain in the body. As a result, the patient's immune system would produce antibodies to attack the foreign antigens. A healthy body develops antibodies, which hopefully resist the antigens, by binding on them. The immune system of a human can differentiate more than one million different foreign proteins, or antigens. Alternate methods of diagnosing pneumococcal disease are based on the detection of bacterial antigens in body fluids. This is a complicated process involving antigens and antibodies. These cells have the potential to present tumour-specific antigens and thereby induce an immune response. The protein acts like an antigen, prompting the immune cells to attack. When the synthetic peptide was used as the antigen, a monoclonal antibody was obtained. Antibodies are gamma globulins produced by B lymphocytes when antigens enter the body. Immunohistochemistry utilizes antibodies to visualize antigens in sections of tissue under the microscope. However, the specificity of antibodies for antigens has a bearing on one of the issues in this case, and it is for that reason that I mention it. Antibodies against these five antigens were tested in the sera of all workers and controls. But Jordi found ways, using antigens and antibodies, to figure it out. We varied the surface density of antigens such that we could study the detachment of either single or multiple bonds. Finally, the target antigens of the locally produced antibodies have not been fully identified. Previous transfusions may sensitize patients to foreign platelet antigens. Early risk may suggest a mechanism involving an aberrant immune response to cereal antigens in an immature gut. Origin Early 20th century: via German from French antigène (see anti-, -gen).
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