Human lymphoblastoid cell lines secreting antibodies with restricted HLA specificity

M. P. Pistillo, N. Tanigaki, O. Mazzoleni, E. Ciccone, U. Hämmerling, M. Park, P. I. Terasaki, G. B. Ferrara

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Abstract

Peripheral B lymphocytes obtained from three healthy individuals who had been immunized against peripheral blood lymphocytes from appropriate HLA-incompatible donors were transformed by the use of Epstein-Barr virus. The transformed blastoid B cells were repeatedly subcultured by means of "cluster picking," and the HLA antibody-producing cultures were identified by testing the culture supernatants by means of the cytotoxicity assay, using the corresponding donor cells. Thus far, four cell lines that secrete cytotoxic HLA antibodies (MP1, 3, 4, and 5) have been established. Specific immunoabsorption experiments revealed that the antibody activity is carried by lambda-type IgM for MP1, by kappa-type IgM for MP3 and MP5, and by both for MP4. Specificity analysis of a panel of HLA-pretyped cells indicated that MP1 detects DQw2, whereas MP5 recognizes B7. The specificity of MP3 was similar to a DQ specificity termed DC5 (probably equivalent to TA10) but not the same. In the case of MP4, both of the lambda-type and kappa-type antibodies appeared to be directed toward new HLA class 11 determinants.

Original languageEnglish
Pages (from-to)145-151
Number of pages7
JournalImmunogenetics
Volume25
Issue number3
DOIs
Publication statusPublished - Mar 1987

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Cell Line
Antibodies
Immunoglobulin M
B-Lymphocytes
Human Herpesvirus 4
Lymphocytes

ASJC Scopus subject areas

  • Immunology
  • Genetics

Cite this

Pistillo, M. P., Tanigaki, N., Mazzoleni, O., Ciccone, E., Hämmerling, U., Park, M., ... Ferrara, G. B. (1987). Human lymphoblastoid cell lines secreting antibodies with restricted HLA specificity. Immunogenetics, 25(3), 145-151. https://doi.org/10.1007/BF00344027

Human lymphoblastoid cell lines secreting antibodies with restricted HLA specificity. / Pistillo, M. P.; Tanigaki, N.; Mazzoleni, O.; Ciccone, E.; Hämmerling, U.; Park, M.; Terasaki, P. I.; Ferrara, G. B.

In: Immunogenetics, Vol. 25, No. 3, 03.1987, p. 145-151.

Research output: Contribution to journalArticle

Pistillo, MP, Tanigaki, N, Mazzoleni, O, Ciccone, E, Hämmerling, U, Park, M, Terasaki, PI & Ferrara, GB 1987, 'Human lymphoblastoid cell lines secreting antibodies with restricted HLA specificity', Immunogenetics, vol. 25, no. 3, pp. 145-151. https://doi.org/10.1007/BF00344027
Pistillo, M. P. ; Tanigaki, N. ; Mazzoleni, O. ; Ciccone, E. ; Hämmerling, U. ; Park, M. ; Terasaki, P. I. ; Ferrara, G. B. / Human lymphoblastoid cell lines secreting antibodies with restricted HLA specificity. In: Immunogenetics. 1987 ; Vol. 25, No. 3. pp. 145-151.
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