Abstract:
:The structural abnormality of mRNA for argininosuccinate synthetase (ASS) and the structure of immune cross-reactive material for ASS (ASS-CRM) in the liver of a patient with type III citrullinemia were analyzed using dot and Northern blot hybridization, S1 nuclease analysis, and a sensitive enzyme-linked immunosorbent assay. The patient's liver contained no detectable ASS activity, the ASS-CRM content was about 0.5% of that in the control and the ASS mRNA content was almost normal. The ASS mRNA of the case was found to have an apparent structural abnormality; approximately 1.57 kb in length caused by a defect of about 0.1 kb near the 3' end of the coding region. Furthermore, gel filtration analysis revealed that the ASS-CRM had a molecular weight indistinguishable from the control ASS. These results indicate that the abnormal mRNA of the patient was translated in vivo to an immune-cross-reactive protein that was able to form a quaternary structure.
journal_name
Hum Genetjournal_title
Human geneticsauthors
Kobayashi K,Ichiki H,Saheki T,Tatsuno M,Uchiyama C,Nukada O,Yoda Tdoi
10.1007/BF00283045subject
Has Abstractpub_date
1987-05-01 00:00:00pages
27-32issue
1eissn
0340-6717issn
1432-1203journal_volume
76pub_type
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