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Kean LS, Blazar BR. Major breakthroughs in hematopoietic stem cell transplantation and future challenges in clinical implementation. J Clin Invest 2024; 134:e179944. [PMID: 38618950 PMCID: PMC11014654 DOI: 10.1172/jci179944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2024] Open
Affiliation(s)
- Leslie S. Kean
- Division of Pediatric Hematology and Oncology, Boston Children’s Hospital and the Dana-Farber Cancer Institute; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Bruce R. Blazar
- Department of Pediatrics, Division of Blood & Marrow Transplant & Cellular Therapy, and the Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
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Hirayama F. Approach of using established and new laboratory tests to more comprehensively investigate noninfectious and nonhemolytic transfusion reactions--along with the experience in Japan. Vox Sang 2013; 105:183-95. [PMID: 23763621 DOI: 10.1111/vox.12057] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Revised: 03/03/2013] [Accepted: 05/09/2013] [Indexed: 01/09/2023]
Abstract
BACKGROUND AND OBJECTIVES Noninfectious and nonhaemolytic transfusion reactions are the most common type of transfusion reactions. Several new tests have been made, helping diagnosis and understanding of their pathogenesis. This manuscript provides a review of the literature on currently available tests in association with the approach in Japan. MATERIALS & METHODS Primarily by using key words, more than 100 pertinent articles in the Medline database were identified and reviewed. RESULTS Numbers of laboratory tests are available including those for plasma protein levels, plasma protein antibodies, leucocyte and platelet antibodies, serum N-terminal-pro-brain natriuretic peptide levels, serum tryptase levels and genetic microchimerism. Cross-match tests, such as basophil activation test and neutrophil activation test, are also available to determine a causal relationship between the reaction and transfusion. CONCLUSIONS Several tests should help to confirm diagnosis and determine causal relationship between adverse reactions and transfusion and to gain an insight into the mechanism of the reaction in some cases, although some of the recently developed tests have not been completely validated.
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Affiliation(s)
- F Hirayama
- Japanese Red Cross Kinki Block Blood Center, Ibaraki, Japan
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3
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Petropoulou AD, Robin M, Socié G, Galicier L. Transmission of familial Mediterranean fever mutation after bone marrow transplantation and successful treatment with anakinra. Transplantation 2010; 90:102-3. [PMID: 20606570 DOI: 10.1097/tp.0b013e3181d84cc3] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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4
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Abstract
Bone marrow engraftment studies are used to evaluate the level of donor versus recipient cells in post-transplant peripheral blood or bone marrow specimens. Unique DNA fingerprints identified from the recipient and the donor are used to determine the proportion of each contained within the total DNA extracted from the post-transplant specimen. These percentages correspond to relative amounts of donor and recipient cells in the specimen. Engraftment studies are sequentially performed on transplant patients to monitor closely the levels of donor and recipient cells so that appropriate therapeutic intervention can proceed if and when needed. This unit describes the use of fluorescent PCR for amplification of genomic short tandem repeats (STR). STR analysis is now considered the gold standard for engraftment studies and provides a quick and accurate assessment of the contribution of both donor and/or recipient hematopoietic cells in post-transplantation specimens.
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5
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Abstract
PURPOSE We used total body irradiation (TBI) as conditioning for cord blood transplantation studies in pigtailed macaques. In these studies, different doses of TBI were explored to obtain optimal myelosuppression with acceptable radiation-related side effects. METHODS Four macaques received TBI ranging from 800 to 1320 cGy, followed by standard post-transplant care. Hematopoietic recovery was monitored by CBC and donor contribution by variable number of tandem repeats analysis. RESULTS Animals receiving 800 or 1020 cGy TBI tolerated the irradiation well with autologous recovery of neutrophils within 24 days. At a dose of 1200 cGy, neither autologous recovery nor extramedullary toxicity was observed. A fourth animal received 1320 cGy of TBI and suffered significant toxicity necessitating termination of the study. CONCLUSIONS We conclude that previously considered myeloablative doses of TBI allowed for autologous recovery in the pigtailed macaque, and that a dose of 1200 cGy may be most appropriate, providing both myeloablation and acceptable non-hematopoietic toxicities.
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Affiliation(s)
- K L Watts
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
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6
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Vnencak-Jones CL. Bone marrow engraftment studies. CURRENT PROTOCOLS IN HUMAN GENETICS 2008; Chapter 9:Unit9.17. [PMID: 18428367 DOI: 10.1002/0471142905.hg0917s43] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Bone marrow engraftment studies are used to evaluate the level of donor versus recipient cells in post-transplant peripheral blood or bone marrow specimens. Unique fingerprints identified from recipient and donor DNA are used to determine the proportion of each contained within the total DNA extracted from the post-transplant specimen. These percentages correspond to relative amounts of donor and recipient cells in the specimen. Engraftment studies are sequentially performed on transplant patients to closely monitor the levels of donor and recipient cells so that appropriate therapeutic intervention can proceed if and when needed. This unit will describe the use of fluorescent PCR for amplification of genomic short tandem repeats (STR). STR analysis is now considered the gold standard for engraftment studies and provides a quick and accurate assessment of the contribution of both donor and/or recipient hematopoietic cells in post-transplantation specimens.
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7
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Sellathamby S, Balasubramanian P, Sivalingam S, Shaji RV, Mathews V, George B, Viswabandya A, Srivastava A, Chandy M. Developing an algorithm of informative markers for evaluation of chimerism after allogeneic bone marrow transplantation. Bone Marrow Transplant 2006; 37:751-5. [PMID: 16518431 DOI: 10.1038/sj.bmt.1705317] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Analysis of chimerism by polymerase chain reaction amplification of STR or VNTR has become a routine procedure for the evaluation of engraftment after allogeneic stem cell transplantation. Knowledge of the frequency of different STR or VNTR alleles in unrelated individuals in a population is useful for forensic work. In the context of HLA identical sibling bone marrow transplantation the informativeness of these markers needs to be evaluated. We evaluated five STRs (THO1, VWA, FES, ACTBP2, and F13A1) and 1 VNTR (APOB) for informativeness in stem cell transplants from HLA identical sibling donors. All four markers used individually allowed us to discriminate 20-56% of the patient donor pairs. Using a combination of all these markers along with a polymorphic marker in the beta-globin gene and the sex chromosome specific amelogenin marker, we were able to discriminate 99% of the patient donor pairs. We have established an algorithm for evaluating chimerism following HLA identical sibling donor transplants in the Indian population using molecular markers in 310 patients. Analysis of heterozygote frequencies in different populations is similar suggesting that this algorithm can be used universally for transplant centers to evaluate chimerism following allogeneic bone marrow transplantation.
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Affiliation(s)
- S Sellathamby
- Department of Haematology, Christian Medical College, Vellore, India
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8
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Reichard KK, Zhang QY, Sanchez L, Hozier J, Viswanatha D, Foucar K. Acute myeloid leukemia of donor origin after allogeneic bone marrow transplantation for precursor T-cell acute lymphoblastic leukemia: case report and review of the literature. Am J Hematol 2006; 81:178-85. [PMID: 16493618 DOI: 10.1002/ajh.20389] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
We report a case of donor-derived acute myeloid leukemia (AML) occurring in a 33-year-old man after allogeneic bone marrow transplantation (BMT) for precursor T-cell acute lymphoblastic -leukemia (T-ALL). The cells for BMT were from his human leukocyte antigen (HLA)-matched sister. Fluorescence in-situ hybridization (FISH) analysis showed the AML to be of donor origin (i.e., karyotypically female) with an 11q23 (mixed lineage leukemia (MLL) gene) translocation, while the original T-ALL exhibited a male karyotype with abnormalities of chromosomes 6, 8, and a t(10;14)(q24;q11.2). Subsequent molecular short tandem repeat studies confirmed the AML to be of donor origin. Donor-cell leukemia (DCL) after allogeneic BMT is a rare, yet well-documented, event. Our report presents clinicopathologic information about a case of DCL and a review of the recent literature.
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MESH Headings
- Adult
- Bone Marrow Transplantation
- Chromosome Aberrations
- Chromosomes, Human/genetics
- Female
- Humans
- In Situ Hybridization, Fluorescence/methods
- Karyotyping
- Leukemia, Myeloid, Acute/etiology
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/pathology
- Living Donors
- Male
- Neoplasms, Second Primary/etiology
- Neoplasms, Second Primary/genetics
- Neoplasms, Second Primary/pathology
- Precursor T-Cell Lymphoblastic Leukemia-Lymphoma/complications
- Precursor T-Cell Lymphoblastic Leukemia-Lymphoma/genetics
- Precursor T-Cell Lymphoblastic Leukemia-Lymphoma/pathology
- Precursor T-Cell Lymphoblastic Leukemia-Lymphoma/therapy
- Transplantation Chimera
- Transplantation, Homologous
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Affiliation(s)
- Kaaren K Reichard
- Department of Pathology, University of New Mexico, Albuquerque, 87131, USA.
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9
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Eshel R, Vainas O, Shpringer M, Naparstek E. Highly Sensitive Patient-Specific Real-Time PCR SNP Assay for Chimerism Monitoring after Allogeneic Stem Cell Transplantation. ACTA ACUST UNITED AC 2006; 12:39-46. [PMID: 16513545 DOI: 10.1532/lh96.05034] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Chimerism analysis after allogeneic stem cell transplantation (allo-SCT) is an important diagnostic tool for the documentation of engraftment, early detection of graft failure, and recurrence of the disease. Current assays rely on the genetic polymorphism between the donor and the recipient, and allow semiquantitative or quantitative analysis of chimerism. The most common method in use is based on the amplification of the short tandem repeats (STR). This method, with 1% to 5 sensitivity, is useful for the documentation of engraftment, but is insufficient for the detection of minimal residual disease or early relapse, when medical intervention is urgently needed. Recently, single-nucleotide polymorphism (SNP) has been suggested as an alternative, more accurate system to monitor chimerism. The purpose of our study was to develop an easy, economical, and sensitive method for the detection of chimerism following allo-SCT using the SNP technology. Our approach is based on SNP patient-specific quantitative real-time polymerase chain reaction (PCR) using nonlabeled primers. Our results show that this allele-specific SNP real-time PCR approach is sensitive, relatively cheap, and offers a fast and reliable assay for the monitoring of hematopoietic engraftment and for the detection of minimal residual disease in patients after allo-SCT.
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Affiliation(s)
- Rinat Eshel
- Department of Hematology and Bone Marrow Transplantation, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
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10
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Pihusch M, Boeck S, Hamann M, Pihusch V, Heller T, Diem H, Rolf B, Pihusch R, Andreesen R, Holler E, Kolb HJ. Peripheral dendritic cell chimerism in allogeneic hematopoietic stem cell recipients. Transplantation 2005; 80:843-9. [PMID: 16210974 DOI: 10.1097/01.tp.0000174339.17567.a0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Relapse and graft-versus-host disease (GVHD) represent major causes of morbidity and mortality following allogeneic hematopoietic stem cell transplantation (HSCT). Although leukocyte and T-cell chimerism analyses are performed routinely suggesting a predictive value on the patients outcome, little is known about chimerism of dendritic cells (DC) representing strong initiators of immune responses. METHODS In this prospective study, peripheral DC1 (CD11c+) and DC2 (CD123+) chimerism was determined in hematopoetic stem cell recipients. DCs were isolated from peripheral blood by fluorescence activated cell sorting. Chimerism analyses were performed by fluorescent in situ hybridization or by polymerase chain reaction-based typing of short tandem repeats. RESULTS At time of engraftment, DC chimerism analyses showed complete chimerism in 76.3% (DC1)/79.5% (DC2), mixed chimerism (MC) in 21.0% (DC1)/17.9% (DC2) and no chimerism in 2.7% (DC1)/2.6% (DC2) of the patients. Peripheral DC chimerism had no significant effect on relapse-free or overall survival. Although acute GVHD was observed more often in patients with MC for DC1/DC2 and chronic GVHD occurred more often in patients with MC for DC2, there was no statistically significant correlation. CONCLUSIONS Although DCs as antigen presenting cells are supposed to have an impact on the induction of GVHD, there was no significant correlation between incidence of GVHD and DC chimerism after HSCT.
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Affiliation(s)
- Markus Pihusch
- Abteilung fuer Haematologie und Internistische Onkologie, Klinikum der Universitaet Regensburg, Regensburg, Germany.
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11
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Thiede C. Diagnostic chimerism analysis after allogeneic stem cell transplantation: new methods and markers. ACTA ACUST UNITED AC 2004; 4:177-87. [PMID: 15174899 DOI: 10.2165/00129785-200404030-00005] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Analysis of chimerism after allogeneic hematopoietic cell transplantation is important for assessing engraftment and the early detection of graft failure. In addition, the monitoring of minimal residual disease and early detection of imminent relapse has also become an important issue. Novel transplant procedures, for example dose-reduced conditioning protocols, rely on chimerism analysis to guide intervention, i.e. the reduction of immunosuppression or infusion of donor lymphocytes. During the last 30 years, several methods for the analysis of chimerism after hematopoietic cell transplantation have been published. Currently, fluorescent in situ hybridization (XY-FISH) analysis of sex chromosomes after transplantation from a sex-mismatched donor or analysis of polymorphic DNA sequences, i.e. short tandem repeats (STR) or variable number of tandem repeats (VNTR), are the most widely used procedures used in the assessment of chimerism. Two major diagnostic fields can be defined for chimerism analysis: the period of engraftment and the detection of minimal residual disease. Although STR-PCR and FISH analysis are very useful in the diagnosis of engraftment and graft failure, they are only of limited use in the monitoring of minimal residual disease, largely because of its limited level of sensitivity (1-5% for the minor population). Several novel procedures to improve this level of detection have been reported in recent years. One focus has been the use of real-time PCR techniques based on analysis of the Y-chromosome or, more recently, single nucleotide polymorphism (SNPs). These procedures combine quantitative analysis with high sensitivity (10(-4) to 10(-6)), and hold great potential for the future. In addition, the combination of cell sorting based on leukemia-specific immunophenotype and STR-PCR has been successfully used for minimal residual disease detection. First clinical data using these procedures indicate that intervention (e.g. the reduction of immunosuppression or donor lymphocyte infusion) may be effective in the minimal residual disease situation, even in high risk diseases like acute myeloid leukemia and acute lymphoblastic leukemia. The optimal timing of these diagnostic interventions is a critical issue and has to be further optimized. Whether this will ultimately improve the survival of patients with leukemia after transplantation has to be shown in prospective studies.
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Affiliation(s)
- Christian Thiede
- Medical Department, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany
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12
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Wu CJ, Hochberg EP, Rogers SA, Kutok JL, Biernacki M, Nascimento AF, Marks P, Bridges K, Ritz J. Molecular assessment of erythroid lineage chimerism following nonmyeloablative allogeneic stem cell transplantation. Exp Hematol 2003; 31:924-33. [PMID: 14550808 DOI: 10.1016/s0301-472x(03)00227-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Nonmyeloablative conditioning regimens for allogeneic stem cell transplantation are now commonly used in the treatment of patients with hematologic malignancies. Since this treatment often results in the establishment of mixed hematopoietic chimerism, this approach may also prove to be useful in the treatment of nonmalignant disorders, such as sickle cell disease and thalassemia major. To apply this approach to these diseases, it will be necessary to determine the levels of donor erythropoiesis required to correct hemolysis and ameliorate disease symptoms. Current methods for measuring hematopoietic chimerism are based on DNA polymorphisms that distinguish recipient from donor. These methods accurately measure donor leukocyte engraftment but do not quantify the relative contributions of recipient and donor erythropoiesis following transplant. METHODS To specifically measure erythroid-lineage chimerism, we used pyrosequencing of the sickle cell mutation to quantify the relative levels of normal and sickle beta-globin mRNA in patient samples. Results of beta-globin RNA chimerism were compared to assessment of beta-globin DNA chimerism as well as analysis of short tandem repeat (STR) polymorphisms, cytogenetics, and hemoglobin electrophoresis. RESULTS Donor engraftment was measured in two adult patients following nonmyeloablative stem cell transplant for sickle cell disease. In Patient 1, 25 to 30% of peripheral leukocytes were donor derived after day 41. In contrast, more than 55% of peripheral blood beta-globin mRNA was of donor origin, and these results correlated with posttransplant clinical improvement. Patient 2 achieved 40 to 50% donor leukocyte engraftment from day 33 onward. This was associated with 70 to 100% peripheral blood donor beta-globin mRNA. CONCLUSIONS These studies demonstrate that relatively low levels of donor leukocyte engraftment can be associated with higher levels of donor erythropoiesis and with significant clinical improvement. Pyrosequencing of lineage-specific mRNA directly measures functional reconstitution of donor cells and provides valuable information that can affect clinical decisions in patients with nonmalignant diseases following allogeneic transplant.
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Affiliation(s)
- Catherine J Wu
- Departments of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
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13
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Abstract
To date, the significance of chimerism has not been fully understood. In particular, microchimerism can be associated with allograft acceptance or rejection. Several factors may influence the immunologic consequences of chimerism. In this review, the major factors influencing these consequences are briefly described. Subsequently, the different methods available for detecting and tracking donor-derived cells are listed. These techniques have been mainly developed concomitantly with nonmyeloablative hematopoietic allografts to monitor immunosuppression. Finally, the authors suggest how these methods may help to improve the understanding of microchimerism in solid organ transplantation.
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Affiliation(s)
- Christophe Ferrand
- INSERM E0119/UPRES EA2284, Etablissement Français du Sang Bourgogne Franche-Comté, Université de Franche-Comté, Besançon, France.
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14
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Hochberg EP, Miklos DB, Neuberg D, Eichner DA, McLaughlin SF, Mattes-Ritz A, Alyea EP, Antin JH, Soiffer RJ, Ritz J. A novel rapid single nucleotide polymorphism (SNP)-based method for assessment of hematopoietic chimerism after allogeneic stem cell transplantation. Blood 2003; 101:363-9. [PMID: 12393452 DOI: 10.1182/blood-2002-05-1365] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A major end point of nonmyeloablative hematopoietic stem cell transplantation is the attainment of either mixed chimerism or full donor hematopoiesis. Because the majority of human genetic disparity is generated by single nucleotide polymorphisms (SNPs), direct measurement of SNPs should provide a robust tool for the detection and quantitation of chimerism. Using pyrosequencing, a rapid quantitative sequencing technology, we developed a SNP-based assay for hematopoietic chimerism. Based on 14 SNPs with high allele frequencies, we were able to identify at least 1 informative SNP locus in 55 patients with HLA-identical donors. The median number of informative SNPs in related pairs was 5 and in unrelated pairs was 8 (P <.0001). Assessment of hematopoietic chimerism in posttransplantation DNA was shown to be quantitative, accurate, and highly reproducible. The presence of 5% donor cells was reliably detected in replicate assays. Compared with current measures of engraftment based on identification of short tandem repeats (STRs), variable number of tandem repeats (VNTRs), or microsatellite polymorphisms, this SNP-based method provides a more rapid and quantitative assessment of chimerism. A large panel of SNPs enhances the ability to identify an informative marker in almost all patient/donor pairs and also facilitates the simultaneous use of multiple markers to improve the statistical validity of chimerism measurements. The inclusion of SNPs that encode minor histocompatibility antigens or other genetic polymorphisms that may influence graft-versus-host disease or other transplantation outcomes can provide additional clinically relevant data. SNP-based assessment of chimerism is a promising technique that will assist in the analysis of outcomes following transplantation.
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Affiliation(s)
- Ephraim P Hochberg
- Center for Hematologic Oncology and the Department of Biostatistics, Dana-Farber Cancer Institute, Boston, MA 02115, USA
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15
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Wang LJ, Chou P, Gonzalez-Ryan L, Huang W, Haut PR, Kletzel M. Evaluation of mixed hematopoietic chimerism in pediatric patients with leukemia after allogeneic stem cell transplantation by quantitative PCR analysis of variable number of tandem repeat and testis determination gene. Bone Marrow Transplant 2002; 29:51-6. [PMID: 11840144 DOI: 10.1038/sj.bmt.1703333] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2000] [Accepted: 09/26/2001] [Indexed: 11/09/2022]
Abstract
In order to monitor the clinical outcome of pediatric patients with leukemia following allogeneic hematopoietic transplantation, tests of variable number of tandem repeat (VNTR) and sex determination by quantitative polymerase chain reaction (PCR) were performed. PCR results combined with the blast counts from 21 leukemia patients were analyzed. Complete chimerism (100% donor cells) was found in 15 cases with remission, and incomplete chimerism in six cases with relapse. In the majority of cases, complete chimerism was always associated with no detectable blasts, while blasts were often detected in association with incomplete chimerism. There is significant correlation (P<0.0001) between the percentage of donor DNA and blast percentage in these patients. Early detection of incomplete chimerism may therefore predict a poor prognosis. In one patient (case 15), a differing percentage of donor DNA was observed between samples of bone marrow and peripheral blood collected on the same day. This may be due to the fact that allogeneic stem cells proliferate at different rates depending on their environment (bone marrow or peripheral blood). In addition, 100% donor cells found in the peripheral blood may not reflect the number of cells in the bone marrow. In case 17, asynchronous engraftment of donor cells was present between the white and red blood cell lineages, indicating that the degree of chimerism may not be the same in all cell lineages. At the time of this report, the significance of this observation is unknown and needs further investigation.
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Affiliation(s)
- L-J Wang
- Immunogenetics and Stem Cell Transplantation Laboratory, Division of Hematology and Oncology, Department of Pediatrics, Northwestern University Medical School, Children's Memorial Hospital, Chicago, IL, USA
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16
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Park SJ, Min WS, Yang IH, Kim HJ, Min CK, Eom HS, Kim DW, Han CW, Lee JW, Kim CC. Effects of mixed chimerism and immune modulation on GVHD, disease recurrence and survival after HLA-identical marrow transplantation for hematologic malignancies. Korean J Intern Med 2000; 15:224-31. [PMID: 11242811 PMCID: PMC4531771 DOI: 10.3904/kjim.2000.15.3.224] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND The success of allogeneic bone marrow transplantation(allo-BMT) is affected by underlying disease relapse. Although mixed chimerism(MC) is not necessarily a poor prognostic factor, several groups have suggested that MC is associated with an increased risk of disease relapse. There is evidence that patients with MC benefit from additional immunotherapy if the treatment is started in minimal residual disease status(mixed chimerism status), not in frank hematological relapse. The purposes of this study are to evaluate 1) the risk for relapse or graft rejection in correlation to persistent MC status after allo-BMT, and 2) the possibility of preventing relapse by immune modulation treatments (withdrawal or rapid taper-off of post-transplant immuno-suppression, additional interferon treatment, or the administration of donor lymphocytes) in hematologic malignancies. PATIENTS AND METHODS Of 337 allogeneic donor-recipient pairs between March 1996 and August 1998, 12 patients who showed persistent or progressive MC and who received immune modulation treatments were evaluated. Twelve patients, median age 31 years(range 9 to 39 years), received an allo-BMT for: acute myelogenous leukemia(AML, n = 5), chronic myelogenous leukemia(CML, n = 4), acute lymphocytic leukemia(ALL, n = 3). Serial polymerase chain reaction(PCR) analysis of YNZ 22-, 33.6-minisatellites or Y chromosome-specific PCR analysis at short term intervals(pre- and post-transplant 1, 3, 6, 9, ... months) was performed. Once MC was detected, immune modulation treatments on the basis of increasing MC in an early phase of recurrence of underlying disease were started. RESULTS Nine of 12 patients converted to complete chimerism(CC) (AML 5/5, CML 3/4, ALL 1/3). Four of 9 CC patients developed graft-versus-host disease(GVHD) grade < or = 2 during immune modulation. All were treated successfully with steroids. Three patients who were not converted to CC showed relapse of underlying diseases or graft failure. CONCLUSION The results demonstrate that, in patients with hematologic malignancies after allo-BMT, persistent MC is associated with relapse of underlying diseases or graft failure. Furthermore, when patients receive early immune modulation treatment, MC can be changed to complete donor pattern chimerism and ultimately prevent relapse.
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Affiliation(s)
- S J Park
- Catholic Hematopoietic Stem Cell Transplantation Center, College of Medicine, Catholic University, Seoul, Korea
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17
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Van Deerlin VM, Leonard DG. Bone Marrow Engraftment Analysis After Allogeneic Bone Marrow Transplantation. Clin Lab Med 2000. [DOI: 10.1016/s0272-2712(18)30083-0] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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18
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Cooley LD, Sears DA, Udden MM, Harrison WR, Baker KR. Donor cell leukemia: report of a case occurring 11 years after allogeneic bone marrow transplantation and review of the literature. Am J Hematol 2000; 63:46-53. [PMID: 10602169 DOI: 10.1002/(sici)1096-8652(200001)63:1<46::aid-ajh11>3.0.co;2-f] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We report the case of a man with chronic myelocytic leukemia (CML) and a 46,XY,t(5;9;22) karyotype who developed acute myelocytic leukemia (AML) with a 45,X,t(8;21) karyotype 11 years after bone marrow transplantation (BMT) from his HLA-matched sister. Fluorescent in situ hybridization (FISH) studies and molecular analysis using short tandem repeat (STR) sequences proved the new leukemia to be of donor cell origin. Donor cell leukemia (DCL) after BMT is rare. Our review of the literature found 15 cases following BMT for leukemia and 2 cases after BMT for benign hematological disorders. In fewer than half the reported cases were molecular studies available to confirm the cytogenetic evidence for DCL, and the longest previously reported interval between BMT and DCL was 6 years.
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MESH Headings
- Adult
- Bone Marrow Transplantation/adverse effects
- Chromosomes, Human, Pair 21
- Chromosomes, Human, Pair 8
- Female
- Genotype
- Humans
- In Situ Hybridization, Fluorescence
- Karyotyping
- Leukemia, Myeloid, Acute/etiology
- Leukemia, Myeloid, Acute/genetics
- Male
- Tandem Repeat Sequences
- Time Factors
- Tissue Donors
- Translocation, Genetic
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Affiliation(s)
- L D Cooley
- Department of Pathology and Laboratory Medicine, The University of Texas Medical School, Houston, Texas, USA
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Host Conditioning With 5-Fluorouracil and kit-Ligand to Provide for Long-Term Bone Marrow Engraftment. Blood 1997. [DOI: 10.1182/blood.v89.7.2376] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Administration of kit-ligand (KL) before and after doses of 5-fluorouracil (5-FU) results in marrow failure in mice, presumably because of enhanced KL-induced cycling of stem cells, which makes them more susceptible to the effects of 5-FU. In attempt to capitalize on this effect on stem cells, we studied the ability of KL and 5-FU to allow stable donor engraftment of congenically marked marrow in a C57BL/6 (B6) mouse model. KL was administered subcutaneously at 50 μg/kg, 21 hours and 9 hours before and 3 hours after each of two doses of 5-FU (125 mg/kg) given 7 days apart to B6-recipients. Animals then received three injections of 107 congenic B6-Gpi-1a-donor bone marrow cells at 24, 48, and 72 hours after the second 5-FU dose. A separate group of animals received a single dose of either 1 × 107 or 3 × 107 donor marrow cells 24 hours after the last 5-FU dose. The level of engraftment was measured from Gpi-phenotyping at 1, 3, 6, and 8 months in red blood cells (RBCs) and at 8 months by phenotyping cells from the thymus, spleen, and marrow. Percent donor engraftment in RBCs appeared stable after 6 months. The percent donor engraftment in RBCs at 8 months was significantly higher in KL + 5-FU prepared recipients (33.0 ± 2.7), compared with 5-FU alone (18.5 ± 2.6, P < .0005), or saline controls (17.8 ± 1.7, P < .0001). In an additional experiment, granulocyte colony-stimulating factor (100 μg/dose) was added to a reduced dose of KL (12.5 μg/dose); engraftment was similar to KL alone. At 8 months after transplantation the levels of engraftment in other tissues such as bone marrow, spleen, and thymus correlated well with erythroid engraftment to suggest that multipotent long-term repopulating stem cells had engrafted in these animals. There are concerns for the toxicity of total body irradiation (TBI)- or busulfan-based regimens in young recipients of syngeneic or transduced autologous marrow who are transplanted for correction of genetic disease. In these recipients complete donor engraftment may not be needed. The results with KL and 5-FU are encouraging for the further refinement of non-TBI, nonbusulfan techniques to achieve stable mixed chimerism.
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20
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Hessel H, Mittermüller J, Zitzelsberger H, Weier HU, Bauchinger M. Combined immunophenotyping and FISH with sex chromosome-specific DNA probes for the detection of chimerism in epidermal Langerhans cells after sex-mismatched bone marrow transplantation. Histochem Cell Biol 1996; 106:481-5. [PMID: 8950606 DOI: 10.1007/bf02473310] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Langerhans cells (LC) of the skin represent bone marrow-derived dendritic antigen-presenting cells and are therefore important in pathophysiological processes such as rejection, graft-versus-host disease, and graft-versus-leukemia-reaction after bone marrow transplantation (BMT). For understanding of these diseases, the evaluation of the chimeric status of LC following BMT is of great interest. To analyze the sex chromosome constitution of LC in the skin, we established a modified and refined technique of combined immunophenotyping and fluorescence in situ hybridization (FISH) and investigated frozen sections of skin biopsies from nine patients after allogeneic sex-mismatched BMT and of two healthy donors for control. LC were specifically labeled using a fluorescent CD1 a antibody and hybridized simultaneously with X and Y chromosome-specific DNA probes. The results of this practical application on nine leukemia patients show the appearance of donor-type LC and the persistence of host-type LC at various times (36 up to 1395 days) after sex-mismatched BMT. Complete chimerism of LC could not be detected in any case. The frequency of recipient-specific LC ranged from 7% to 92% and showed no correlation with time postgrafting. We conclude from our results of 1461 analyzed LC that combined immunophenotyping and interphase cytogenetic analysis by FISH is the method of choice for the assessment of chimerism in a particular cell type after sex-mismatched BMT. Its practical application on other tissues affected by BMT-related pathophysiological processes reveals further knowledge of the time-dependent course of chimeric patterns after BMT.
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Affiliation(s)
- H Hessel
- GSF-National Research Center for Environment and Health, Institute of Radiobiology
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21
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Frankel W, Chan A, Corringham RE, Shepherd S, Rearden A, Wang-Rodriguez J. Detection of chimerism and early engraftment after allogeneic peripheral blood stem cell or bone marrow transplantation by short tandem repeats. Am J Hematol 1996; 52:281-7. [PMID: 8701946 DOI: 10.1002/(sici)1096-8652(199608)52:4<281::aid-ajh7>3.0.co;2-o] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Chimerism can be monitored after HLA-matched allogeneic bone marrow transplantation (BMT) or allogeneic peripheral blood stem cell transplantation (PBSCT) by detecting polymorphisms in short tandem repeats (STR). The purpose of our study was to document early complete chimerism in BMT and PBSCT recipients using STR, and to determine whether the initial WBC recovery correlated with the days required to attain complete chimerism. A total of 5 patients (2 PBSCT and 3 BMT) were followed by STR after transplantation. Peripheral blood obtained prior to transplantation was used to determine the 2 most informative STR probes for each donor/recipient pair. STR were amplified by polymerase chain reaction (PCR) with 8 commercial probes, and PCR products were visualized with silver staining. Peripheral blood was evaluated daily post-transplantation for WBC counts and to identify the presence of mixed or full chimerism by STR. The sensitivity of the STR technique varied from 0.05 to 1%, depending on the probe. Full chimerism was documented between day 9 and 14 in PBSCT recipients and on day 14 and 16 in BMT recipients. The initial rise in WBC occurred within 3 days of the onset of full chimerism, indicating that full chimerism is a more sensitive indicator of early engraftment. Periodic recipient monitoring using STR after complete chimerism identifies those patients who revert to mixed chimeras. The STR method may be useful in future studies to determine the significance of early engraftment and the clinical implications of sustained complete chimerism or mixed chimerism.
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22
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Toren A, Rechavi G, Nagler A. Minimal residual disease post-bone marrow transplantation for hemato-oncological diseases. Stem Cells 1996; 14:300-11. [PMID: 8724696 DOI: 10.1002/stem.140300] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The detection of minimal residual disease (MRD), which is important in cancer treatment, gained special significance in bone marrow transplantation (BMT-) due to the possibility not just to detect but recently also to prevent, treat and reinduce remission in patients that relapsed post-BMT by immunotherapy. The various modern techniques of MRD detection are described including cytogenetics, analysis of restriction fragment length polymorphism, variable number of tandem repeats by Southern Blot or polymerase chain reaction (PCR), microsatellite sequences, PCR amplification products of the Y chromosome or the Amelogenin gene, quantitative PCR and fluorescence in situ hybridization. The role of MRD detection in refinement of indications for BMT, autografting, prediction of relapse, adoptive immunotherapy, mixed chimerism in nonmalignant diseases and in solid organ transplantation is discussed.
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Affiliation(s)
- A Toren
- Pediatric Hemato/Oncology Department, Chaim Sheba Medical Center, Tel-Hashomer, Israel
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23
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Gürgey A, Mesci L, Ozerkam K, Oner C. Analysis of chimerism by PCR using mutant-specific primers and sequencing of B-gene region after allogenic bone marrow transplantation in sickle cell anemia. Am J Hematol 1995; 50:318-9. [PMID: 7485118 DOI: 10.1002/ajh.2830500425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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24
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Socie G, Lawler M, Gluckman E, McCann SR, Brison O. Studies on hemopoietic chimerism following allogeneic bone marrow transplantation in the molecular biology era. Leuk Res 1995; 19:497-504. [PMID: 7658696 DOI: 10.1016/0145-2126(95)00026-k] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Donor hematopoiesis or donor chimerism in the host following allogeneic bone marrow transplantation (BMT) has appeared crucial to the engraftment process. However, as molecular techniques exploiting neutral variation in human genetic material have been used in the study of chimerism, the detection of residual host cells or mixed hemopoietic chimerism has indicated that donor chimerism is not obligatory following BMT. This review focuses on the detection and significance of mixed chimerism (MC) in patients transplanted for both malignant and non-malignant hemopoietic disease and attempts to tease out the contribution of MC to engraftment, leukemia relapse, graft rejection and long-term disease-free survival.
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Affiliation(s)
- G Socie
- Unite de Biologie des Cellules Souches et Services de greffe de Moelle, Hopital Saint Louis, Paris, France
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25
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Wang L, Juji T, Tokunaga K, Takahashi K, Kuwata S, Uchida S, Tadokoro K, Takai K. Brief report: polymorphic microsatellite markers for the diagnosis of graft-versus-host disease. N Engl J Med 1994; 330:398-401. [PMID: 8284005 DOI: 10.1056/nejm199402103300605] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- L Wang
- Department of Transfusion Medicine and Immunohematology, Faculty of Medicine, University of Tokyo, Japan
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26
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McCann SR, Lawler M, Bacigalupo A. Recurrence of Philadelphia chromosome-positive leukemia in donor cells after bone marrow transplantation for chronic granulocytic leukemia. Leuk Lymphoma 1993; 10:419-25. [PMID: 8401178 DOI: 10.3109/10428199309148198] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Allogeneic bone marrow transplantation has been shown to be a very effective therapy for Chronic Granulocytic Leukemia with long term disease free survivals in excess of 60%. Relapse rates remain low at 15% following histocompatible sibling transplants and lower rates following matched unrelated donor grafts. Relapse rates however, are higher if BMT is carried out in transformation or blast crisis. Leukemic relapse in donor cells following transplantation for CGL is a rare event. The occurrence of donor leukemia however, may be under reported as accurate and sensitive investigation of the origin of relapsed leukemia following BMT requires DNA based technologies. A possible mechanism of donor leukemia in CGL is transfection of donor cells with the chimeric gene which is unique to this disease. It is possible that the malignant cells found in transformed or blast crisis of CGL may have a greater potential to transfect donor haematopoietic material. Careful evaluation of the incidence of donor leukemia using molecular biology methods may elucidate the frequency of this event following BMT for CGL.
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MESH Headings
- Animals
- Bone Marrow Transplantation/adverse effects
- Cell Transformation, Neoplastic/genetics
- Humans
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/etiology
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/therapy
- Philadelphia Chromosome
- Recurrence
- Transfection
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Affiliation(s)
- S R McCann
- Department of Hematology, St. James Hospital, Dublin, Ireland
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27
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Affiliation(s)
- M Deane
- Department of Hematology, Royal Free Hospital School of Medicine, Hampstead, London, U.K
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28
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Socié G, Landman J, Gluckman E, Devergie A, Raynal B, Esperou-Bourdeau H, Brison O. Short-term study of chimaerism after bone marrow transplantation for severe aplastic anaemia. Br J Haematol 1992; 80:391-8. [PMID: 1581220 DOI: 10.1111/j.1365-2141.1992.tb08150.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Chimaerism was studied early (2 weeks to 3 months) during haematopoietic reconstitution after bone marrow transplantation in 18 severe aplastic anaemia patients (acquired SAA: 14 patients; Fanconi anaemia: four patients). Fourteen patients received marrow from an identical sibling donor, one from the phenoidentical father and three from a matched unrelated donor. Peripheral blood cell DNA was first analysed by Southern blotting with a multilocus minisatellite probe (33.6.3) or a Y chromosome specific probe (pHY2.1). For all 14 patients grafted with a genotypically identical sibling donor, the post-graft DNA profile strictly matched the respective donor profile (minisatellite probe) or disclosed the Y chromosome specific band in the case of female patients grafted with a male donor. In contrast, for the one patient grafted in a mismatched situation and for two out of three patients grafted with a matched unrelated donor, the results indicated autologous bone marrow recovery. This difference between patients grafted with an identical sibling donor and those grafted in other situations is statistically significant (P less than 0.01). The 15 patients with circulating cells of donor origin were then studied by polymerase chain reaction amplification of the DNA samples. The three male patients with a female donor were studied by amplification of a Y chromosome specific sequence (DYZ1), allowing the detection of one male cell in 10(4) female cells. In all three cases, residual male nucleated cells were detected. The analysis was performed by amplification of the 33.6.3 minisatellite sequence for the 12 remaining patients. No residual recipient cells were detected within the sensitivity limit of the method which is 1% in that case. This suggests that detection of residual host cells depends on the sensitivity of the technique used.
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Affiliation(s)
- G Socié
- Laboratoire d'Oncologie Moléculaire, URA 1158 CNRS, Institut Gustave Roussy, Villejuif, France
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29
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van Leeuwen JE, van Tol MJ, Bodzinga BG, Wijnen JT, van der Keur M, Joosten AM, Tanke HJ, Vossen JM, Khan PM. Detection of mixed chimaerism in flow-sorted cell subpopulations by PCR-amplified VNTR markers after allogeneic bone marrow transplantation. Br J Haematol 1991; 79:218-25. [PMID: 1958479 DOI: 10.1111/j.1365-2141.1991.tb04525.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The amplification of Variable Number of Tandem Repeats (VNTR) by the polymerase chain reaction (PCR) was used to determine the extent of chimaerism in flow sorted lymphoid and myeloid cell populations following allogeneic bone marrow transplantation (BMT). Pre-BMT screening with a set of five VNTR revealed that at least one marker was maximally informative in 95% of donor-recipient pairs. Mixing reconstruction experiments indicated that detection of 1-5% of the minor cell population in a sample of 5 x 10(3) nucleated cells is feasible. Flow sorted post-transplant peripheral blood B- and T-lymphocyte, natural killer and monocyte cell populations were subjected to PCR-VNTR marker analysis. It was shown that this procedure can be used for the early detection of engraftment and the identification of mixed chimaerism in various haematopoietic cell lineages in patients with leukaemia or severe combined immune deficiency, treated with allogeneic BMT.
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Affiliation(s)
- J E van Leeuwen
- MGC-Human Genetics Department, Leiden University, The Netherlands
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30
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Zehnbauer B, Griffin C, Santos G, Wagner J. Comparison of molecular and cytogenetic methods in the evaluation of engraftment following allogeneic bone marrow transplantation. CANCER GENETICS AND CYTOGENETICS 1991; 55:181-90. [PMID: 1682032 DOI: 10.1016/0165-4608(91)90076-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Cytogenetic evaluation of patients after bone marrow transplantation (BMT) has provided a standard method of documentation of hematopoietic engraftment. More recently, recombinant DNA technology has also been applied to determine engraftment status. In order to establish the relative utility of these methods in clinical practice we have directly compared the data from cytogenetic and recombinant DNA methods, evaluating engraftment status in 68 BMT recipients. Patients were evaluated pre-transplant, 30, 60, 90, and 180 days after BMT, and yearly thereafter for 1) the presence or absence of the Y chromosome in sex-mismatched allogeneic transplant recipients, 2) the presence or absence of the Philadelphia chromosome [t(9;22)] in patients transplanted for chronic myelogenous leukemia (CML), 3) restriction fragment length polymorphism (RFLP) profiles, and/or 4) clonal rearrangement of the bcr gene. Cytogenetic examination of unstimulated bone marrow and recombinant DNA tests of nucleated peripheral blood or bone marrow cells produce qualitatively similar data in the identification of patient and donor cells and/or normal and tumor cells. Differences in the results obtained by the two analytic methods were most often due to the restricted cell populations evaluable by cytogenetic studies of PHA-stimulated peripheral blood specimens. DNA analyses could frequently be applied at earlier intervals after transplantation and, in cases of graft rejection, when cell counts were low. Although recombinant DNA methods required fewer cells and demonstrated greater sensitivity in detection of minor cell populations in the majority of instances, the cytogenetic evaluation may complement the DNA studies and allow detection of additional chromosomal anomalies.
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Affiliation(s)
- B Zehnbauer
- Johns Hopkins Oncology Center, Johns Hopkins University School of Medicine, Baltimore, MD
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31
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Schmitz N, Schlegelberger B, Oberböster K, Golchert K, Suttorp M, Löffler H. Lymphohaematopoietic chimaerism after bone marrow transplantation for chronic myeloid leukaemia: results of simultaneous cytogenetic analyses on T-cell colonies, myeloid, and erythroid progenitor cells. Br J Haematol 1991; 78:334-42. [PMID: 1873219 DOI: 10.1111/j.1365-2141.1991.tb04446.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Various lymphohaematopoietic compartments represented by cells from T-cell colonies, myeloid progenitor cells (CFU-GM), erythroid progenitor cells (BFU-E), and bone marrow after short-term culture (BM) have simultaneously been analysed in 15 patients receiving 17 bone marrow transplants for Philadelphia chromosome (Ph) positive chronic myeloid leukaemia (CML) or acute lymphoblastic leukaemia (ALL). The marrow grafts were not T-cell depleted. Ten patients without relapse did not show any myeloid cells of host origin until their last follow-up or until death. However, in four of these patients single lymphoid host cells not carrying the Ph chromosome were found after BMT without clinical consequences. In patients with cytogenetic or haematological relapse Ph positive metaphases were first detected in any of the progenitor cell compartments along with residual donor cells in two of three patients. BM became Ph positive after various time intervals. Another patient with CML became Ph positive in all compartments investigated at the same time. The only patient with Ph positive ALL remained completely Ph negative also when haematological and clinical relapse was evident. All patients with relapse exhibited complex clonal and non-clonal chromosomal aberrations at the time of recurrence of the Ph chromosome. Such abnormalities not identical to those usually found with evolution of the disease and preferentially occurring in progenitor cells preceded the reappearance of Ph positive metaphases in one of our patients.
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Affiliation(s)
- N Schmitz
- Department of Internal Medicine II, Christian-Albrechts-University, Kiel, Germany
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32
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Ress SR, Rousseau J, Ratanjee B, Eidne K, Millar RP, Keraan M. HLA class II induction by interferon-gamma in K562 variant cell line: inhibition by serum lipid. Hum Immunol 1991; 31:57-66. [PMID: 1908841 DOI: 10.1016/0198-8859(91)90049-f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The induction of class II antigen (Ag) by interferon-gamma (IFN-gamma) in variants of the K562 cell line has been examined in this study. Following incubation of K562A cells with IFN-gamma, surface expression of HLA-DR molecules was demonstrated by indirect immunofluorescence, confirmed by immunoblotting, and HLA-DR3 Ag specificity identified. HLA-DP and HLA-DRW52 Ag were co-expressed, but no HLA-DQ expression occurred. A variant of this line, designated K1A, spontaneously developed resistance to IFN-gamma induction of class II Ag, but continued to express class I Ag. In a third K562 variant, designated K562B, no class II gene products could be induced. Northern blot analysis indicated that mRNA levels correlated with surface class I and II Ag expression in all of the K562 cell lines. Resistance to IFN-gamma inducible class II Ag expression in K1A cells did not involve changes in IFN-gamma receptor affinity or number but was shown to be due to an inhibitory effect of serum lipid. These results indicate that cells derived from a common parental line may differ in susceptibility to a regulatory mechanism affecting IFN-gamma inducible class II Ag expression.
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Affiliation(s)
- S R Ress
- Department of Medicine, University of Cape Town Medical School, Republic of South Africa
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33
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Biochemical, Immunological, and Molecular Markers of Hemopoietic Precursor Cells. BLOOD CELL BIOCHEMISTRY 1991. [DOI: 10.1007/978-1-4615-3796-0_1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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34
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Agematsu K, Kitahara F, Uehara Y, Kawai H, Miyagawa Y, Komiyama A, Nakahori Y, Nakagome Y, Akabane T. Detection of engraftment and chimerism after bone marrow transplantation by in situ hybridization using a Y-chromosome specific probe. Am J Hematol 1990; 33:255-60. [PMID: 2316509 DOI: 10.1002/ajh.2830330408] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
After bone marrow transplantation (BMT), the recipient and donor cells must be distinguished from each other to document and characterize successful engraftment. In addition to dot blot and Southern blot analyses, we have performed in situ hybridization in two sex-mismatched cases using a Y-chromosome specific DNA probe (PHY10). In situ hybridization showed that greater than 95% of the peripheral mononuclear cells had clusters of grains indicative of male cell origin in a recipient girl (case 1), and no cells had clusters of grains in another recipient boy (case 2) at the time of engraftment and 3 months after BMT. In situ hybridization using the PHY10 probe appears to facilitate identification of individual cells of male and female origin, and it requires only 20 hr to obtain the results. The technique provides a powerful new method for the documentation of engraftment and the detection of mixed hematopoietic chimerism in peripheral blood and bone marrow cell compartments after BMT.
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Affiliation(s)
- K Agematsu
- Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan
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35
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Ash RC, Casper JT, Chitambar CR, Hansen R, Bunin N, Truitt RL, Lawton C, Murray K, Hunter J, Baxter-Lowe LA. Successful allogeneic transplantation of T-cell-depleted bone marrow from closely HLA-matched unrelated donors. N Engl J Med 1990; 322:485-94. [PMID: 2300120 DOI: 10.1056/nejm199002223220801] [Citation(s) in RCA: 182] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
We describe a four-year experience with bone marrow transplantation involving closely HLA-matched unrelated donors and 55 consecutive patients with hematologic disease who were seven months to 48.6 years old (median, 18 years). An intensive pretransplantation conditioning regimen and graft-versus-host disease (GVHD) prophylaxis with CD3-directed T-cell depletion and cyclosporine were employed. Durable engraftment was achieved in 50 of 53 patients who could be evaluated (94 percent; 95 percent confidence interval, 83 to 98 percent). Acute GVHD of Grade II to IV developed in 46 percent of the patients (confidence interval, 27 to 66 percent). The incidence and severity of acute GVHD were increased in recipients of HLA-mismatched marrow as compared with recipients of phenotypically matched marrow (incidence of 53 percent [confidence interval, 37 to 68 percent] vs. 17 percent [confidence interval, 5 to 45 percent]; P less than 0.05). Extensive chronic GVHD and deaths not due to relapse also tended to be more frequent when HLA-mismatched marrow was used, but not significantly so. With a median follow-up of more than 19 months (range, greater than 9 to greater than 39), the actuarial disease-free survival of transplant recipients with leukemia and a relatively good prognosis (acute leukemia in first remission and chronic myelogenous leukemia in chronic phase) was 48 percent (confidence interval, 24 to 73 percent), and that of recipients with more aggressive leukemia was 32 percent (confidence interval, 18 to 51 percent); the actuarial survival of recipients with non-neoplastic disease was 63 percent (confidence interval, 31 to 86 percent). We conclude that marrow transplantation with closely HLA-matched unrelated donors can be effective treatment for neoplastic and non-neoplastic diseases. Although transplants from phenotypically HLA-matched unrelated donors appear to be most effective, transplants with limited HLA disparity can also be successful in some patients.
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Affiliation(s)
- R C Ash
- Department of Medicine, Medical College of Wisconsin, Milwaukee 53226
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36
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Cockerill KJ, Lyding J, Zander AR. Red cell aplasia due to host type isohemagglutinins with exuberant red cell progenitor production of donor type in an ABO-mismatched allogeneic bone marrow transplant recipient. Eur J Haematol Suppl 1989; 43:195-200. [PMID: 2509237 DOI: 10.1111/j.1600-0609.1989.tb00282.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
ABO-mismatched bone marrow transplants have resulted in delayed red cell production in patients who have persistently elevated anti-ABO isohemagglutinin titers. We present a patient with chronic myelogenous leukemia who received an HLA-matched, ABO-incompatible bone marrow transplant from his sister. Post-transplant, he developed pure red cell aplasia with exuberant production of donor red cell precursors by in vitro BFU-E assay. Restriction fragment length polymorphism (RFLP) analysis of bone marrow, peripheral blood and BFU-E colonies demonstrated only donor type DNA post-transplant. However, the patient had persistently elevated isohemagglutinin titer and Ph1 chromosome-positive metaphases on chromosome analysis, indicating the presence of persistent host lymphocytes. With onset of acute graft vs. host disease (GVHD), the isohemagglutinin titer dropped, Ph1 chromosome-positive metaphases disappeared, and full hematopoietic recovery ensued. Longitudinal analysis of RFLP's, isohemagglutinin titers and chromosomes may be helpful in understanding the immunological interplay following allogeneic bone marrow transplantation.
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Affiliation(s)
- K J Cockerill
- Division of Bone Marrow Transplantation, Pacific Presbyterian Medical Center, San Francisco, California
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37
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Hutchinson RM, Pringle JH, Potter L, Patel I, Jeffreys AJ. Rapid identification of donor and recipient cells after allogeneic bone marrow transplantation using specific genetic markers. Br J Haematol 1989; 72:133-40. [PMID: 2667622 DOI: 10.1111/j.1365-2141.1989.tb07673.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The fate of the donor graft in allogeneic bone marrow transplantation, the presence of chimaerism and early relapse can be monitored by identification of the donor or recipient origin of haemopoietic cells in peripheral blood and bone marrow. We have done this by the use of highly informative locus-specific hypervariable DNA probes in two sex and blood group matched transplants. In four sex mismatched transplants the Y chromosome was identified by in situ hybridization using a biotinylated Y probe. Early engraftment by day 13 was detected in five of the six patients. Transient chimaerism occurred in half of the cases and was accompanied by the temporary appearance of the Philadelphia chromosome in one patient with chronic myeloid leukaemia without subsequent relapse. Persistence of the graft in the face of falling peripheral counts was documented in four of the six patients studied. The morphology as well as origin of the haemopoietic cells could be characterized by the Y probe analysis. In one patient, recipient lymphocytes were shown to co-exist with myeloid series of donor origin. We conclude that both techniques are highly specific, sensitive and can provide information within 24-48 h. Thus they are of value in guiding early therapeutic intervention in allogeneic transplantation.
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Keable H, Bourhis JH, Brison O, Lehn P, Schenmetzler C, Devergie A, Gluckman E. Long-term study of chimaerism in bone marrow transplantation recipients for severe aplastic anaemia. Br J Haematol 1989; 71:525-33. [PMID: 2565730 DOI: 10.1111/j.1365-2141.1989.tb06313.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
We used minisatellite probes to analyse by DNA fingerprints the long-term engraftment (median 4.3 years, range 1-2) of 21 bone marrow transplantation recipients for severe aplastic anaemia. Patients received their graft from histocompatible siblings. They were conditioned with cyclophosphamide (150 mg/kg) and a 6GY thoracoabdominal irradiation and did not have ex-vivo T cell depletion of marrow donor. DNA was extracted peripheral mononuclear cells and analysed by Southern blotting with 32P-labelled single-stranded RNA probes. Seven out of 21 donor-recipient pairs were sex-mismatched and additionally studied with a probe detecting a male specific repeated sequence on the Y chromosome. Red cell surface phenotype was also used as marker of engraftment in most cases. Long-term engraftment appeared complete for all patients studied with respect to the three methods.
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Affiliation(s)
- H Keable
- Laboratoire d'Oncologie Moléculaire, UA 1158 CNRS, Institut Gustave Roussy, Villejuif, France
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Xerri L, Maraninchi D, Bertheas MF, Gaspard MH, Mawas C, Birg F. "Minisatellite" DNA probes detect engraftment and/or chimerism in recipients of HLA-matched bone marrow transplants. Transpl Int 1989; 2:53-5. [PMID: 2669806 DOI: 10.1007/bf02425974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A study was carried out to determine whether the minisatellite DNA probes described by Jeffreys and coworkers could be used routinely to analyze engraftment, hematopoietic chimerism, and relapse in recipients of bone marrow transplants. The probes were informative for all of the recipient/donor pairs analyzed. Their limit of sensitivity was determined in reconstruction experiments and was found to vary from 2%, in the best cases, to 10%. We were able to confirm that engraftment and hematopoietic chimerism can, indeed, be sought routinely using this simple molecular approach. Only one set of probes is required for all patients and, unlike cytogenetic analysis, this analysis can be used whether or not blood or marrow cells are dividing.
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Affiliation(s)
- L Xerri
- Unité 119 de l'Institut National de la Santé et de la Recherche Médicale, Marseille, France
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40
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Balazs I, Baird M, Clyne M, Meade E. Human population genetic studies of five hypervariable DNA loci. Am J Hum Genet 1989; 44:182-90. [PMID: 2563192 PMCID: PMC1715411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Population genetic studies were performed using DNA probes that recognize five hypervariable loci (D2S44, D14S1, D14S13, D17S79, and DXYS14) in the human genome. DNA from approximately 900 unrelated individuals, subdivided into three ethnic groups (American blacks, Caucasians, and Hispanics) were digested with PstI and were successively hybridized to each DNA probe. The number of distinct DNA fragments identified for each of these regions varies from 30 to more than 80. An allele frequency distribution was determined for each locus and each ethnic group. The results show significant differences, between ethnic groups, in the pattern of distribution as well as in the relative frequency of the most common alleles of D2S44, D14S1, and D14S13 but only small differences in others (i.e., D17S79 and DXYS14). The results presented show that the analysis of these loci can have useful applications in population genetics as well as in identity tests.
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Affiliation(s)
- I Balazs
- Lifecodes Corporation, Valhalla, NY 10595
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41
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Xerri L, Maraninchi D, Bertheas MF, Gaspard MH, Mawas C, Birg F. "Minisatellite" DNA probes detect engraftment and/or chimerism in recipients of HLA-matched bone marrow transplants. Transpl Int 1989. [DOI: 10.1111/j.1432-2277.1989.tb01838.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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42
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43
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Henson LE, Hewitt CW, Black KS. Use of regression analysis and the complement-dependent cytotoxicity typing assay for predicting lymphoid chimerism. J Immunol Methods 1988; 114:139-44. [PMID: 3053906 DOI: 10.1016/0022-1759(88)90165-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The complement-dependent cytotoxicity typing assay was studied for its accuracy in determining the presence of donor lymphocytes within standard chimeric donor/host cell combinations. Regression analysis of the data was utilized to evaluate the chimera assay. Excellent coefficients of determination (r2 greater than 0.90) were obtained for all standard curves, and a significant (P less than 0.001) linear relationship was established between percent cytotoxicity (dependent variable) and level of donor target cell chimerism (independent variable) for each regression equation. A highly significant (P less than 0.001) linear function was also established between percent cytotoxicity and concentration of donor target bone marrow cells. Regression coefficients (slopes) approached, but did not show complete unity (range; b = 0.86-0.95). Therefore, levels of cytotoxicity were not directly equivalent to levels of donor cell chimerism. A more accurate assessment of donor lymphoid chimerism would be provided by regression analysis of standard donor/host cell independent variables and inverse prediction. Significant estimates of peripheral donor lymphoid chimerism in putative mixed chimeric recipients were successfully made by this technique.
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Affiliation(s)
- L E Henson
- Department of Surgery, University of California, Irvine 92717
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44
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Weitzel JN, Hows JM, Jeffreys AJ, Min GL, Goldman JM. Use of a hypervariable minisatellite DNA probe (33.15) for evaluating engraftment two or more years after bone marrow transplantation for aplastic anaemia. Br J Haematol 1988; 70:91-7. [PMID: 2846032 DOI: 10.1111/j.1365-2141.1988.tb02439.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
We have studied long-term engraftment in 24 multiply transfused patients transplanted for severe aplastic anaemia (SAA) 2-7 years previously from HLA identical sibling donors. All 24 patients had engrafted initially; nine (38%) developed grade II-IV a-GVHD, but only 5 (21%) developed chronic GVHD, which was mild, localized and transient. In 22 cases DNA 'fingerprint' analysis using a hypervariable minisatellite DNA probe (33.15) confirmed the donor/recipient origin of patient peripheral blood (PB) nucleated cells. Red cell antigens and PB lymphocyte chromosomes were also analysed in informative cases. In 19 patients (79%) PB cells were of donor origin confirming sustained engraftment, whereas five (21%) had PB cells of recipient origin. In four of these five cases complete autologous reconstitution was demonstrated. In one case DNA fingerprinting revealed mixed haemopoietic chimaerism. In three of the four cases of autologous reconstitution there had been a previous episode of late graft failure. The low incidence of chronic GVHD in the study group was not explained by autologous reconstitution or mixed chimaerism. We conclude that the hypervariable minisatellite probes are valuable in the study of engraftment after BMT, especially when patient and donor are HLA identical, of the same sex, and have the same ABO-Rh blood type. Pre-transplant specimens from the patient are not necessary for interpretation of the results provided that DNA from the donor is available.
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Affiliation(s)
- J N Weitzel
- Department of Haematology, Hammersmith Hospital, London
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45
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Roth MS, Schnitzer B, Bingham EL, Harnden CE, Hyder DM, Ginsburg D. Rearrangement of immunoglobulin and T-cell receptor genes in Hodgkin's disease. THE AMERICAN JOURNAL OF PATHOLOGY 1988; 131:331-8. [PMID: 3358458 PMCID: PMC1880587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The precise cellular origin of the malignant cell population in Hodgkin's disease (HD) is unknown. Recent application of Southern blotting techniques to detect clonal rearrangements of immunoglobulin (Ig) and T-cell receptor (TCR) genes has yielded conflicting results. The authors report the detailed analysis of tumor tissue DNA obtained from 18 cases of HD using Ig and TCR gene probes. The distribution of HD subtypes was similar to that in other series. Samples were examined for rearrangement by means of multiple restriction enzymes with specific probes for the Ig heavy chain, Ig kappa, Ig lambda, TCR beta, and TCR gamma loci. Only germline bands were detected in all 18 cases with the Ig gene probes and in 15 of 18 cases with the TCR probes. In 2 cases blot analysis suggested a predominance of polyclonal (or oligoclonal) T cells. In 1 case monoclonal rearrangement of the TCR beta gene was detected. Based on the intensity of the rearrangement and the small percentage of Reed-Sternberg (R-S) cells in this case, the clonal population detected was most likely not the R-S cell itself. The data do not support the frequent occurrence of Ig or TCR monoclonal gene rearrangement in HD.
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Affiliation(s)
- M S Roth
- Department of Medicine, University of Michigan Medical School, Ann Arbor
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46
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Min GL, Hibbin J, Arthur C, Apperley J, Jeffreys A, Goldman J. Use of minisatellite DNA probes for recognition and characterization of relapse after allogeneic bone marrow transplantation. Br J Haematol 1988; 68:195-201. [PMID: 2894836 DOI: 10.1111/j.1365-2141.1988.tb06189.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Restriction fragment length polymorphisms can be used to distinguish blood and marrow cells from close relatives. We used two probes that recognize a series of dispersed and highly polymorphic tandem-repetitive minisatellite regions in the human genome that can be detected via a shared 10-15 base pair core sequence similar to the generalized recombination sequence (chi) of E. coli. We have studied the resulting individual-specific DNA fingerprints in 15 patients before and after allogeneic bone marrow transplantation performed for chronic myeloid leukaemia and in two patients transplanted for acute leukaemia. Early engraftment could be demonstrated at 3 weeks post-transplant based on the recognition of cells of donor origin. One patient who failed to engraft had only recipient type marrow cells 3 months post-transplant. Nine patients who relapsed after transplantation had only cells of recipient origin. In one patient who relapsed after transplantation with T-cell depleted donor marrow, fractionation studies showed that his T-cells at relapse were of recipient origin. We conclude that these minisatellite probes are valuable for characterizing the origin of different cell populations after marrow transplantation and could be useful for characterizing relapse when donor and recipient are of the same sex.
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Affiliation(s)
- G L Min
- MRC Leukaemia Unit, Royal Postgraduate Medical School, London
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47
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Morisaki H, Morisaki T, Nakahori Y, Ogura H, Kanno H, Tani K, Kodo H, Fujii H, Asano S, Miwa S. Genotypic analysis using a Y-chromosome-specific probe following bone marrow transplantation. Am J Hematol 1988; 27:30-3. [PMID: 3281450 DOI: 10.1002/ajh.2830270108] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
To monitor successful engraftment after bone marrow transplantation, we performed Southern hybridization analysis or dot blot analysis of DNA in a set of sex-mismatched cases using a Y-chromosome-specific DNA probe (pHY10). This method was extremely sensitive and rapid for checking which cells contain the Y-chromosome. Using this probe, analysis of cells from peripheral blood and bone marrow after transplantation demonstrated the usefulness of confirming engraftment of donor cells and of detecting mixed lymphohematopoietic chimerism.
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Affiliation(s)
- H Morisaki
- Department of Pathological Pharmacology, University of Tokyo, Japan
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48
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Yam P, Petz LD, Ali S, Stock AD, Wallace RB. Development of a single probe for documentation of chimerism following bone marrow transplantation. Am J Hum Genet 1987; 41:867-81. [PMID: 2890295 PMCID: PMC1684336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Although numerous genetic markers are available for studying chimerism after bone marrow transplantation (BMT), there remains a need for a practical and highly informative method that is applicable in the early posttransplantation period. Using DNA restriction-fragment-length polymorphisms (RFLPs), we have evaluated the feasibility of developing a single synthetic oligonucleotide probe to study post-BMT chimerism. We have thus tested three candidate probes, termed O-3315-32, O-3315-80, and O-AY-29, that are homologous to tandemly repetitive sequences. Our results demonstrated donor-specific and recipient-specific fragments in 11 of 11 HLA-matched sibling pairs tested using probes O-3315-32 and O-3315-80. When probe O-AY-29 was used, 14 of 17 sibling pairs showed both donor and recipient markers, one had only a recipient marker, and two were identical. We showed that each of the three synthetic probes was effective in documenting donor marrow engraftment, mixed hematopoietic chimerism, the patient's pre-BMT phenotype (by using cultured skin fibroblasts obtained after BMT), and the origin of the malignant hematopoietic cells (i.e., of donor or recipient origin) in patients who developed recurrent hematologic malignancy following BMT. Compared with the use of cloned genomic probes, there are several important advantages to the use of synthetic oligonucleotide probes in studying post-BMT chimerism. Synthetic probes have absolute hybridization specificity and can be designed to suit the purposes of an individual study, since they have adjustable specificity that can be altered by changes in the length of the probe and by changes in the hybridization temperature. A single synthetic probe analogous to several highly polymorphic loci can have a polymorphism information content sufficiently high so that all but a small percentage of BMT patients could be followed easily; for example, if a probe were complementary to three highly polymorphic unlinked loci, it would discriminate approximately 98% of sibling donor/recipient pairs. This would be accomplished using only one restriction-endonuclease digestion and only one gel electrophoresis. Since other genetic markers, e.g., red blood cell antigens, immunoglobulin allotypes, and chromosome analysis, are not uniformly informative and, in some cases, cannot be used in the early posttransplantation period, the use of synthetic oligonucleotide probes for analysis of DNA RFLP is emerging as the method of choice for studies of post-BMT chimerism. This method will allow for the development of new knowledge that has not been possible with previous methods.
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Affiliation(s)
- P Yam
- Department of Clinical and Experimental Immunology, City of Hope National Medical Center, Duarte, CA
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50
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Antin JH, Ault KA, Rappeport JM, Smith BR. B lymphocyte reconstitution after human bone marrow transplantation. Leu-1 antigen defines a distinct population of B lymphocytes. J Clin Invest 1987; 80:325-32. [PMID: 3112184 PMCID: PMC442241 DOI: 10.1172/jci113076] [Citation(s) in RCA: 55] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Differences in the expression of Leu-1 (CD5) define two populations of recovering B cells after human marrow transplantation, Leu-1+ and Leu-1- B cells. The Leu-1+ B cells were polyclonal, of donor origin, and did not express detectable interleukin 2 receptor. Leu-1+ B cells generally appeared 2-4 wk after marrow grafting and often preceded the recovery of Leu-1- B cells. Acute and chronic graft vs. host disease (GvHD) resulted in the recovery of significantly fewer Leu-1+ B cells, whereas Leu-1- B cells were only decreased in acute GvHD. Multivariate analysis showed no significant effect of age, disease, prednisone or azathioprine, or ex vivo treatment of the marrow with anti-Leu-1 and complement on recovery of Leu-1+ and Leu-1- B cells, independent of the effects of GvHD. Leu-1+ B cells are a major lymphocyte population posttransplant. They may reflect a stage of differentiation of normal B cells or a separate B cell lineage.
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