Gene activation during immune reaction
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Summary
In cell-free systems the addition of antigen stimulates the synthesis of informational RNA (i-RNA) which exhibits the following properties: It codes for the entire antibody molecule, it codes for the synthesis of regulator protein which initiates transcription of i-RNA with the correspondent informational content from DNA, it is a template for an an i-RNA dependent RNA polymerase, it is a template for an i-RNA dependent reverse transcriptase. The i-RNA may exist in a state of latency in cells. The product of reverse transcription of i-RNA is i-DNA which can be used to transcribe further i-RNA of the same specificity. Similar to i-DNA is an extracellular DNA which codes also for antibody and from which i-RNA can be transcribed. The data presented are summarized in a scheme of the flow of information during immunological reactions.
It could be shown that there exist three different types of extrachromosomally synthesized molecules — i-RNA, i-DNA and extracellular DNA — which bear immunological specific information. These extrachromosomal states of information may be relevant for the generation of antibody diversity.
Keywords
Immune Reaction Reverse Transcriptase Reverse Transcription Gene Activation Regulator ProteinAbbreviations
- i-RNA
informational RNA
- i-DNA
informational DNA
- AAP
antibody analogous product
- BPoFlys
benzoyl-penicilloyl-formyl-l-lysine
- HSV
Herpes simplex virus
- HBs
Hepatitis virus B, surface antigen
- HBsad
Hepatitis virus B, surface antigen, subtype ad
- HBsay
hepatitis virus B, surface antigen, subtype ay
- PPD
purified protein derivative of tuberculine
- i-RNARk
i-RNA decoding for antibody against Rk
- i-RNAR5
i-RNA coding for antibody against R5
- R5
receptor particle for phage T5, derived from E. coli
- Rk
receptor particle for phage kappa, derived from Serratia marcescens
- SDS
sodium dodecyl sulfate
- PBS
phosphate buffered saline
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