Abstract:
:Screening of recombinant cosmid and phage libraries with a rabbit C alpha cDNA probe has identified a total of seven C alpha genes organized into two clusters; one cluster contains four genes and the other cluster, three genes. Southern blot analysis of genomic DNA indicates that the rabbit genome contains a minimum of ten C alpha genes; at least three genes remain to be cloned. Four of the seven cloned C alpha genes have been tested for their ability to be expressed in vitro. Each gene was cloned 3' to a rearranged murine VDJ gene, and the chimeric gene was then transfected into J558L plasmacytoma cells. Stable transfectants were selected, and each transfectoma was shown to express a chimeric alpha-heavy chain. These chimeric alpha-heavy chains were of two sizes, 55 kd and 60 kd. Each of the four transfectomas secreted chimeric heavy chains in association with endogenous murine lambda light chains. All four C alpha genes tested were expressible, indicating that the rabbit may have multiple IgA subclasses or isotypes. This is in marked contrast to mouse and human which have only one and two subclasses of IgA, respectively.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Burnett RC,Schneiderman RD,Knight KLdoi
10.1007/978-1-4684-5344-7_3subject
Has Abstractpub_date
1987-01-01 00:00:00pages
15-22eissn
0065-2598issn
2214-8019journal_volume
216Apub_type
杂志文章abstract::Transurethral resection (TUR) is the primary mode of therapy for both diagnosis and treatment of bladder cancer. Due to the recurrency of tumoral tissues after TUR further treatment is necessary which is usually in the form of intravesical chemotherapy or immunotherapy. But these therapies have some disadvantages such...
journal_title:Advances in experimental medicine and biology
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doi:
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章,评审
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
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journal_title:Advances in experimental medicine and biology
pub_type: 杂志文章
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abstract::Inorganic lead ion, in micromolar concentrations, reversibly inhibits the sodium-plus-potassium-activated adenosinetriphosphatase (ATPase) and potassium-activated p-nitrophenylphosphatase (NPPase) activities of microsomal fractions from electric organ, rat kidney, and rat brain. In the presence of 3 mM MgC12 and 3 mM ...
journal_title:Advances in experimental medicine and biology
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