Autologous bone marrow transplantation for B cell malignancies after in vitro purging with floating immunobeads. 1990

A M Stoppa, and J Hirn, and D Blaise, and M Delaage, and G Novakovitch, and P Viens, and M A Capiello, and P Mannoni, and C Mawas, and D Maraninchi
Marrow Transplant Unit, Clinique des Maladies du Sang, Institut Paoli-Calmettes, Marseille, France.

We report here 16 autologous bone marrow transplantations (ABMT) for poor prognosis B or pre-B malignancies (16 acute lymphoblastic leukemias (ALL), three Burkitt lymphomas, one multiple myeloma) in 11 adults and five children where in vitro purging was accomplished by means of floating immunobeads. This method was developed to avoid non-specific killing by complement or toxin or batch-to-batch variability and provides a 3 log reduction of tumor in a model of B lymphoid malignancies. Low density bone marrow mononuclear cells were incubated for 30 min at 4 degrees C with anti CD10 (ALB2 Immunotech) and/or anti CD19 (Bg4) monoclonal antibodies (MoAb) and then mixed with low density polypropylene beads precoated with a rat antimouse MoAb. After 1 h at 4 degrees C the beads with target cells were decanted; the depleted marrow was collected through a microfilter and cryoperserved. After immunodepletion the recovery of nucleated cells was 75% with a median of 0.75 x 10(8) cells/kg (range 0.3-3.6) and the recovery of hematopoietic progenitors was 83% with a median of 2.9 x 10(4) CFU-GM/kg. The conditioning regimen consisted of busulfan 16 mg/kg and melphalan 140 mg/m2 for three patients, fractionated total body irradiation (TBI) following melphalan 140 mg/m2 for nine patients, TBI and cyclophosphamide 120 mg/m2 for two patients and TBI associated with melphalan and cyclophosphamide for two patients.(ABSTRACT TRUNCATED AT 250 WORDS)

UI MeSH Term Description Entries
D008212 Lymphocyte Depletion Immunosuppression by reduction of circulating lymphocytes or by T-cell depletion of bone marrow. The former may be accomplished in vivo by thoracic duct drainage or administration of antilymphocyte serum. The latter is performed ex vivo on bone marrow before its transplantation. Depletion, Lymphocyte
D008297 Male Males
D008863 Microspheres Small uniformly-sized spherical particles, of micrometer dimensions, frequently labeled with radioisotopes or various reagents acting as tags or markers. Latex Beads,Latex Particles,Latex Spheres,Microbeads,Bead, Latex,Beads, Latex,Latex Bead,Latex Particle,Latex Sphere,Microbead,Microsphere,Particle, Latex,Particles, Latex,Sphere, Latex,Spheres, Latex
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009101 Multiple Myeloma A malignancy of mature PLASMA CELLS engaging in monoclonal immunoglobulin production. It is characterized by hyperglobulinemia, excess Bence-Jones proteins (free monoclonal IMMUNOGLOBULIN LIGHT CHAINS) in the urine, skeletal destruction, bone pain, and fractures. Other features include ANEMIA; HYPERCALCEMIA; and RENAL INSUFFICIENCY. Myeloma, Plasma-Cell,Kahler Disease,Myeloma, Multiple,Myeloma-Multiple,Myelomatosis,Plasma Cell Myeloma,Cell Myeloma, Plasma,Cell Myelomas, Plasma,Disease, Kahler,Multiple Myelomas,Myeloma Multiple,Myeloma, Plasma Cell,Myeloma-Multiples,Myelomas, Multiple,Myelomas, Plasma Cell,Myelomas, Plasma-Cell,Myelomatoses,Plasma Cell Myelomas,Plasma-Cell Myeloma,Plasma-Cell Myelomas
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D001853 Bone Marrow The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells. Marrow,Red Marrow,Yellow Marrow,Marrow, Bone,Marrow, Red,Marrow, Yellow
D002051 Burkitt Lymphoma A form of undifferentiated malignant LYMPHOMA usually found in central Africa, but also reported in other parts of the world. It is commonly manifested as a large osteolytic lesion in the jaw or as an abdominal mass. B-cell antigens are expressed on the immature cells that make up the tumor in virtually all cases of Burkitt lymphoma. The Epstein-Barr virus (HERPESVIRUS 4, HUMAN) has been isolated from Burkitt lymphoma cases in Africa and it is implicated as the causative agent in these cases; however, most non-African cases are EBV-negative. African Lymphoma,Burkitt Cell Leukemia,Burkitt Tumor,Lymphoma, Burkitt,Burkitt Leukemia,Burkitt's Leukemia,Burkitt's Lymphoma,Burkitt's Tumor,Leukemia, Lymphoblastic, Burkitt-Type,Leukemia, Lymphocytic, L3,Lymphocytic Leukemia, L3,Burkitts Leukemia,Burkitts Lymphoma,Burkitts Tumor,L3 Lymphocytic Leukemia,L3 Lymphocytic Leukemias,Leukemia, Burkitt,Leukemia, Burkitt Cell,Leukemia, Burkitt's,Leukemia, L3 Lymphocytic,Lymphoma, African,Lymphoma, Burkitt's,Tumor, Burkitt,Tumor, Burkitt's
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children

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