Abstract
The intracellular ratio of adenosine 3',5'-cyclic monophosphate (cyclic AMP) to guanosine 3',5'-cyclic monophosphate (cyclic GMP) may control the developmental pathway followed by antibody-forming cell (AFC) precursors. The evidence for this is derived from several different types of experiments. First lipopolysaccharide (LPS) which is mitogenic for B lymphocytes, stimulates rapid, transient changes in intracellular levels of cyclic GMP but not cyclic AMP when added to mouse spleen cultures. Cyclic GMP itself stimulates DNA synthesis in these cultures, suggesting that the intracellular changes in cyclic GMP levels are involved in the mitogenic signal delivered by LPS to cells. The absolute amounts of cyclic nucleotides may vary widely in different cells under various conditions, however, the intracellular ratio of cyclic AMP to cyclic GMP is always high in nondividing cells and low in dividing cells. AFC precursors appear to respond to antigen in the absence of T-cell activity by inactivation (1-7). In the response to antigen in the presence of specific T cells, precursor cells proliferate and mature to AFC. Raising intracellular levels of cyclic AMP inhibits cell proliferation and leads to precursor cell inactivation (14, 15). It is suggested that the interaction of antigen with immunoglobulin receptors on the surface of precursors cells leads to the stimulation of adenylate cyclase activity and initiates the inactivation pathway. Since cyclic GMP stimulates immune responses in T- cell-depleted cultures (14, 15) and increasing cyclic GMP levels appear to be involved in the delivery of a mitogenic signal to cells, it is suggested that T-helper cells deliver a signal to precursor cells via the stimulation of guanylate cyclase to initiate the inductive pathway. It is suggested that it is the intracellular ratio of cyclic AMP to cyclic GMP that regulates the fate of precursor cells, not the absolute level of one cyclic nucleotide.
Full Text
The Full Text of this article is available as a PDF (1,008.6 KB).
Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Bretscher P., Cohn M. A theory of self-nonself discrimination. Science. 1970 Sep 11;169(3950):1042–1049. doi: 10.1126/science.169.3950.1042. [DOI] [PubMed] [Google Scholar]
- Burger M. M., Bombik B. M., Breckenridge B. M., Sheppard J. R. Growth control and cyclic alterations of cyclic AMP in the cell cycle. Nat New Biol. 1972 Oct 11;239(93):161–163. doi: 10.1038/newbio239161a0. [DOI] [PubMed] [Google Scholar]
- Chiller J. M., Weigle W. O. Termination of tolerance to human gamma globulin in mice by antigen and bacterial lipopolysaccharide (endotoxin). J Exp Med. 1973 Mar 1;137(3):740–750. doi: 10.1084/jem.137.3.740. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Coutinho A., Gronowicz E., Bullock W. W., Möller G. Mechanism of thymus-independent immunocyte triggering. Mitogenic activation of B cells results in specific immune responses. J Exp Med. 1974 Jan 1;139(1):74–92. doi: 10.1084/jem.139.1.74. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Coutinho A., Möller G. B cell mitogenic properties of thymus-independent antigens. Nat New Biol. 1973 Sep 5;245(140):12–14. doi: 10.1038/newbio245012a0. [DOI] [PubMed] [Google Scholar]
- DeRubertis F. R., Zenser T. V., Adler W. H., Hudson T. Role of cyclic adenosine 3',5'-monophosphate in lymphocyte mitogenesis. J Immunol. 1974 Jul;113(1):151–161. [PubMed] [Google Scholar]
- Golan D. T., Borel Y. Nonantigenicity and immunologic tolerance: the role of the carrier in the induction of tolerance to the hapten. J Exp Med. 1971 Oct 1;134(4):1046–1061. doi: 10.1084/jem.134.4.1046. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Green I., Paul W. E., Benacerraf B. The behavior of hapten-poly-L-lysine conjugates as complete antigens in genetic responder and as haptens in nonresponder guinea pigs. J Exp Med. 1966 May 1;123(5):859–879. doi: 10.1084/jem.123.5.859. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Hadden J. W., Hadden E. M., Haddox M. K., Goldberg N. D. Guanosine 3':5'-cyclic monophosphate: a possible intracellular mediator of mitogenic influences in lymphocytes. Proc Natl Acad Sci U S A. 1972 Oct;69(10):3024–3027. doi: 10.1073/pnas.69.10.3024. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Hadden J. W., Hadden E. M., Middleton E., Jr Lymphocyte blast transformation. I. Demonstration of adrenergic receptors in human peripheral lymphocytes. Cell Immunol. 1970 Dec;1(6):583–595. doi: 10.1016/0008-8749(70)90024-9. [DOI] [PubMed] [Google Scholar]
- Hamilton J. A., Miller J. F. Hapten-specific tolerance: unresponsiveness in the T cell-depleted population. Eur J Immunol. 1973 Jul;3(7):457–460. doi: 10.1002/eji.1830030716. [DOI] [PubMed] [Google Scholar]
- Hamilton J. A., Miller J. F. Induction of a primary antihapten response in vivo by a graft-vs.-host reaction. J Exp Med. 1973 Oct 1;138(4):1009–1014. doi: 10.1084/jem.138.4.1009. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Johnson G. S., Pastan I. N 6 ,O 2 '-dibutyryl adenosine 3',5'-monophosphate induces pigment production in melanoma cells. Nat New Biol. 1972 Jun 28;237(78):267–268. doi: 10.1038/newbio237267a0. [DOI] [PubMed] [Google Scholar]
- Katz D. H., Davie J. M., Paul W. E., Benacerraf B. Carrier function in anti-hapten antibody responses. IV. Experimental conditions for the induction of hapten-specific tolerance or for the stimulation of anti-hapten anamnestic responses by "nonimmunogenic" hapten-polypeptide conjugates. J Exp Med. 1971 Jul 1;134(1):201–223. doi: 10.1084/jem.134.1.201. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Katz D. H., Hamaoka T., Benacerraf B. Immunological tolerance in bone marrow-derived lymphocytes. 3. Tolerance induction in primed B cells by hapten conjugates of unrelated immunogenic or "nonimmunogenic" carriers. J Exp Med. 1974 Jun 1;139(6):1464–1472. doi: 10.1084/jem.139.6.1464. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Katz D. H., Paul W. E., Goidl E. A., Benacerraf B. Carrier function in anti-hapten antibody responses. 3. Stimulation of antibody synthesis and facilitation of hapten-specific secondary antibody responses by graft-versus-host reactions. J Exp Med. 1971 Feb 1;133(2):169–186. doi: 10.1084/jem.133.2.169. [DOI] [PMC free article] [PubMed] [Google Scholar]
- McCrery J. E., Rigby P. G. Lymphocyte stimulation by cyclic AMP, GMP and related compounds. 1. Proc Soc Exp Biol Med. 1972 Sep;140(4):1456–1459. doi: 10.3181/00379727-140-36695. [DOI] [PubMed] [Google Scholar]
- Otten J., Johnson G. S., Pastan I. Regulation of cell growth by cyclic adenosine 3',5'-monophosphate. Effect of cell density and agents which alter cell growth on cyclic adenosine 3',5'-monophosphate levels in fibroblasts. J Biol Chem. 1972 Nov 10;247(21):7082–7087. [PubMed] [Google Scholar]
- Rittenberg M. B., Pratt K. L. Antitrinitrophenyl (TNP) plaque assay. Primary response of Balb/c mice to soluble and particulate immunogen. Proc Soc Exp Biol Med. 1969 Nov;132(2):575–581. doi: 10.3181/00379727-132-34264. [DOI] [PubMed] [Google Scholar]
- Scheid M. P., Hoffmann M. K., Komuro K., Hämmerling U., Abbott J., Boyse E. A., Cohen G. H., Hooper J. A., Schulof R. S., Goldstein A. L. Differentiation of T cells induced by preparations from thymus and by nonthymic agents. J Exp Med. 1973 Oct 1;138(4):1027–1032. doi: 10.1084/jem.138.4.1027. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Schmidtke J. R., Dixon F. J. Immune response to a hapten coupled to a nonimmunogenic carrier. Influence of lipopolysaccharide. J Exp Med. 1972 Aug 1;136(2):392–397. doi: 10.1084/jem.136.2.392. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Schor S., Rozengurt E. Enhancement by purine nucleosides and nucleotides of serum-induced DNA synthesis in quiescent 3T3 cells. J Cell Physiol. 1973 Jun;81(3):339–346. doi: 10.1002/jcp.1040810306. [DOI] [PubMed] [Google Scholar]
- Seifert W. E., Rudland P. S. Possible involvement of cyclic GMP in growth control of cultured mouse cells. Nature. 1974 Mar 8;248(5444):138–140. doi: 10.1038/248138a0. [DOI] [PubMed] [Google Scholar]
- Sheppard J. R. Difference in the cyclic adenosine 3',5'-monophosphate levels in normal and transformed cells. Nat New Biol. 1972 Mar 1;236(61):14–16. doi: 10.1038/newbio236014a0. [DOI] [PubMed] [Google Scholar]
- Smets L. A. Contact inhibition of transformed cells incompletely restored by dibutyryl cyclic AMP. Nat New Biol. 1972 Sep 27;239(91):123–124. doi: 10.1038/newbio239123a0. [DOI] [PubMed] [Google Scholar]
- Steiner A. L., Parker C. W., Kipnis D. M. Radioimmunoassay for cyclic nucleotides. I. Preparation of antibodies and iodinated cyclic nucleotides. J Biol Chem. 1972 Feb 25;247(4):1106–1113. [PubMed] [Google Scholar]
- Trenkner E. The use of allogeneic T lymphocytes and bacterial lipopolysaccharide to induce immune responses to monovalent haptens in vitro. J Immunol. 1974 Sep;113(3):918–924. [PubMed] [Google Scholar]
- Walters C. S., Moorhead J. W., Claman H. N. Immunity tolerance to a hapten (NIP) coupled to an isologous carrier (mouse gamma globulin). J Exp Med. 1972 Sep 1;136(3):546–555. doi: 10.1084/jem.136.3.546. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Watson J., Epstein R., Cohn M. Cyclic nucleotides as intracellular mediators of the expression of antigen-sensitive cells. Nature. 1973 Dec 14;246(5433):405–409. doi: 10.1038/246405a0. [DOI] [PubMed] [Google Scholar]
- Watson J., Epstein R., Nakoinz I., Ralph P. The role of humoral factors in the initiation of in vitro primary immune responses. II. Effects of lymphocyte mitogens. J Immunol. 1973 Jan;110(1):43–52. [PubMed] [Google Scholar]
- Watson J., Trenkner E., Cohn M. The use of bacterial lipopolysaccharides to show that two signals are required for the induction of antibody synthesis. J Exp Med. 1973 Sep 1;138(3):699–714. doi: 10.1084/jem.138.3.699. [DOI] [PMC free article] [PubMed] [Google Scholar]