Production of anti-ABO blood group antibodies after minor ABO-incompatible bone marrow transplantation in NOD/SCID/gamma(c)(null) mice

Hirofumi Tomita, Yasushi Fuchimoto, Takehiko Mori, Jun Kato, Tomoe Uemura, Makoto Handa, Hirofumi Tazawa, Hideki Ohdan, Shinichiro Okamoto, Tatsuo Kuroda

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

ABO incompatibility is a barrier for solid organ transplantation, but not for hematopoietic stem cell transplantation. To investigate tolerance induction, we enrolled patients who had undergone minor ABO-incompatible (O into A group, n = 6) and ABO-identical (O into O group, n = 4) bone marrow transplantation (BMT). None of the six O into A patients were positive for recipient-specific (anti-blood group A) isohemagglutinins, whereas all four O into O patients were. Peripheral blood mononuclear cells (PBMCs) were engrafted into NOD/SCID/gamma(c)(null) (NOG) mice, followed by sensitization of blood group A red blood cells. Anti-blood group A antibodies (Abs) in the sera of the patients and the human PBMC-engrafted NOG mice were measured by enzyme-linked immunosorbent assays. Anti-blood group A Abs in the patients' sera were significantly correlated with anti-A isohemagglutinin titers (p < 0.01). In the human PBMC-engrafted NOG mice, anti-blood group A Abs were significantly lower in the O into A group than in the O into O group (p < 0.05), despite ex vivo restimulation of B cells. The results of this study suggest that long after receiving minor ABO-incompatible BMT, B cells derived from newly engrafted donor precursor cells were induced tolerance to recipient-specific antigens.

Original languageEnglish
JournalClinical Transplantation
Volume27
Issue number6
DOIs
Publication statusPublished - 2013 Nov

Fingerprint

Blood Group Antigens
Bone Marrow Transplantation
Antibodies
Blood Cells
Hemagglutinins
B-Lymphocytes
Hematopoietic Stem Cell Transplantation
Organ Transplantation
Serum
Erythrocytes
Enzyme-Linked Immunosorbent Assay
Tissue Donors
Antigens

Keywords

  • Anti-ABO blood group antibodies
  • B-cell tolerance
  • Isohemagglutinins
  • Minor ABO-incompatible bone marrow transplantation
  • NOD/SCID/gamma(c)(null) mice

ASJC Scopus subject areas

  • Transplantation

Cite this

Production of anti-ABO blood group antibodies after minor ABO-incompatible bone marrow transplantation in NOD/SCID/gamma(c)(null) mice. / Tomita, Hirofumi; Fuchimoto, Yasushi; Mori, Takehiko; Kato, Jun; Uemura, Tomoe; Handa, Makoto; Tazawa, Hirofumi; Ohdan, Hideki; Okamoto, Shinichiro; Kuroda, Tatsuo.

In: Clinical Transplantation, Vol. 27, No. 6, 11.2013.

Research output: Contribution to journalArticle

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AU - Kato, Jun

AU - Uemura, Tomoe

AU - Handa, Makoto

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