immune system
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• B cell development becomes impaired in mice over 1 year of age
• in the bone marrow of year old mice, significantly fewer B220+CD43+ pro-B cells progress to the B220+CD43- pre-B and B220+IgM+ stages of development
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• IgH-D to IgH-J rearrangements are impaired in sorted pro-B- and pre-B-cell populations of mice one year of age compared to controls
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• T cell development becomes impaired in mice over 1 year of age
• there is a significant decrease in the percentage and number of double-positive thymocytes of year old mice compared to age-matched wild-type controls
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• Dbeta to Jbeta rearrangements are impaired in thymocytes of mice over 1 year of age compared to controls
|
|
• there is a significant decrease in the percentage and number of double-positive thymocytes of year old mice compared to age-matched wild-type controls
|
hematopoietic system
|
• B cell development becomes impaired in mice over 1 year of age
• in the bone marrow of year old mice, significantly fewer B220+CD43+ pro-B cells progress to the B220+CD43- pre-B and B220+IgM+ stages of development
|
|
• IgH-D to IgH-J rearrangements are impaired in sorted pro-B- and pre-B-cell populations of mice one year of age compared to controls
|
|
• T cell development becomes impaired in mice over 1 year of age
• there is a significant decrease in the percentage and number of double-positive thymocytes of year old mice compared to age-matched wild-type controls
|
|
• Dbeta to Jbeta rearrangements are impaired in thymocytes of mice over 1 year of age compared to controls
|
|
• there is a significant decrease in the percentage and number of double-positive thymocytes of year old mice compared to age-matched wild-type controls
|


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