"Alloantigen" Pronounce,Meaning And Examples
"Alloantigen" Natural Recordings by Native Speakers
"Alloantigen" Meaning
An alloantigen is a substance that triggers an immune response when introduced into an individual's body, particularly when it is recognized as foreign. It is a molecule found on the surface of cells or other substances from another individual of the same species but with different genetic makeup. The immune system distinguishes these alloantigens as non-self and may produce antibodies or activate immune cells against them, which is the basis for organ transplant rejection and some forms of immune-mediated diseases.
"Alloantigen" Examples
1. In organ transplantation, the recipient's immune system may recognize the donor's tissue as an alloantigen, leading to rejection.
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- The patient's body mounted an immune response against the transplanted kidney because it perceived the foreign alloantigen on its cells.
2. Blood transfusions can be complicated by the presence of alloantigens, which can cause adverse reactions in the recipient.
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- Before administering a blood transfusion, doctors must ensure that the donor blood is compatible with the recipient's, avoiding any mismatched alloantigens.
3. In pregnancy, the fetus may have inherited paternal alloantigens that can trigger an immune response in the mother.
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- If the mother's immune system recognizes her baby's red blood cell alloantigens as non-self, she may develop antibodies that can cause complications like hemolytic disease of the newborn.
4. Alloantigen-based vaccines are being researched for their potential in cancer immunotherapy.
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- Scientists are exploring the use of tumor-specific alloantigens to create personalized vaccines that stimulate the patient's immune system to attack cancer cells more effectively.
5. Transplantation medicine relies on the identification of HLA (human leukocyte antigen) alloantigens for matching donors and recipients.
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- Accurate HLA typing is crucial in bone marrow transplants to minimize the risk of graft-versus-host disease, as HLA alloantigens mismatched between donor and recipient can provoke an immune reaction.
"Alloantigen" Similar Words
Alliterating
Alliterating refers to the use of repeated initial consonant sounds in nearby words, often for rhetorical or poetic effect. It creates a pattern of sound that can emphasize certain words or phrases and add musicality to the text. For example, "Peter Piper picked a peck of pickled peppers" is an alliterative phrase.
Alliteration
Alliteration is a literary device characterized by the repeated use of the same initial sound in several words in close proximity, often in a phrase or sentence. It creates a rhythmic or emphatic effect and can add emphasis, musicality, or create a specific mood in writing.
Alliterations
Alliteration is a literary device characterized by the repetition of initial consonant sounds in successive or closely connected words, creating a rhythmic or emphatic effect. It is often used to add emphasis, create a musical quality, or draw attention to certain words in a phrase or sentence. For example: "Peter Piper picked a peck of pickled peppers."
Alliterative
Alliterative refers to the repetition of initial consonant sounds in nearby words, often used for poetic or rhetorical effect. It creates a musical quality and emphasizes certain words or phrases. For example, "Peter Piper picked a peck of pickled peppers" is an alliterative phrase.
Alliteratively
Alliteratively refers to the use of repeated initial consonant sounds in words, often for poetic or rhetorical effect. It is a literary device that creates a pattern of sound and can emphasize certain words or ideas in a phrase or sentence. For example, "Peter Piper picked a peck of pickled peppers."
Alliterator
An alliterator is a literary device where a series of words in a phrase or sentence have consecutive initial letters that are the same, creating a rhythmic or emphatic effect. For example, "Peter Piper picked a peck of pickled peppers."
Allium
Allium is a genus of plants in the onion family, commonly known as onions, garlic, leeks, and chives. These plants have bulbous roots and produce edible leaves, flowers, and bulbs with a pungent flavor. They are widely used in cooking and have various medicinal properties.
Allness
"Allness" is a term that refers to the state of being complete or encompassing everything. It suggests the idea of totality or the absence of any limitations or exclusions. It can be used to describe a sense of unity and interconnectedness, where all aspects or elements are considered as part of a single whole.
Alloantigens
Allobroges
Allocasuarina
Allocate
Allocates
Allocating
Allocation
Allocations