Contents:

I Studies of Hemopoietic Stem Cells.- 1 Alterations Induced in Murine Hemopoietic Stem Cells Following a Single Injection of Corynebacterium parvum.- Materials and Methods.- Results.- Discussion.- Summary.- References.- 2 Growth Control of Hemopoietic Colony-Forming Cells by Thymidine and Deoxycytidine.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 3 Identification of CFU-s by Scatter Measurements on a Light Activated Cell Sorter.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 4 Are Stem Cells Regulated by Late Erythroid Precursors?.- Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 5 Ly Phenotype and Other T-Cell Antisera Sensitivity of an Anti-Theta Sensitive Cell that Regulates Hematopoiesis.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- II Myelopoiesis.- 6 The Heterogeneity of Macrophage- Granulocyte Precursor Cell Populations.- Summary.- References.- 7 Local Control of Mast Cell Differentiation in Mice.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 8 The Effect of Anti-i on Early Myeloid Progenitor Cells in Human Bone Marrow.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 9 Hematologic Contributions to Increases in Resistance or Sensitivity to Endotoxin.- Summary.- References.- 10 Suppression of Erythroid Differentiation by Colony-Stimulating Factor.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- III Erythropoiesis and Megakaryocytopoiesis.- 11 Progress in Erythropoiesis and Megakaryocytopoiesis.- Summary.- References.- 12 High Burst-Promoting Activity (BPA) in Serum of Patients with Acquired Aplastic Anemia.- Materials and Methods.- Discussion.- Summary.- Acknowledgments.- References.- 13 An in Vitro System for Erythroid Transformation by Friend Leukemia Virus.- Methods and Materials.- Results.- Discussion.- Acknowledgments.- References.- 14 Response of Megakaryocyte, Erythroid, and Granulocyte-Macrophage Progenitor Cells in Mouse Bone Marrow to Gamma-Irradiation and Cyclophosphamide.- Methods and Results.- Discussion.- Summary.- Acknowledgments.- References.- 15 Treatment of Strontium-89-lnduced Hypoplastic Anemia in Mice by Intraperitoneal Implants of Spleen Slices.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- IV Transplantation Immunology.- 16 Suppressor Cells as Possible Mediators of Immune Function after Marrow Transplantation.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 17 Re-Analysis of in Vitro Lymphocyte Blastogenesis Using the Laser Cytometry Assay.- Materials and Methods.- Results and Discussion.- Acknowledgments.- References.- 18 Differentiation of Bone Marrow Lymphocytes after Prolonged Administration of Anti-IgM Antibodies to Neonatal and Adult Mice.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 19 The Thymic Microenvironment.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 20 Characterization of the Myeloma Colony-Forming Cell.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 21 Anti-Host Immune Reactivity after Allogeneic Bone Marrow Transplantation.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- V Bone Marrow Transplantation.- 22 Factors Influencing Success and Failure of Human Marrow Transplantation: A Review from the International Bone Marrow Transplant Registry.- Severe Aplastic Anemia.- Severe Combined Immunodeficiency Disease.- End-Stage Acute Myeloblastic Leukemia.- Discussion.- Summary.- Acknowledgments.- References.- 23 Combined Cyclophosphamide-Total Lymphoid Irradiation Compared to Other Forms of Immunosuppression for Human Marrow Transplantation.- Patients and Methods.- Results.- Discussion.- Acknowledgments.- References.- 24 Bone Marrow Transplantation for Aplastic Anemia: Conditioning with Cyclophosphamide plus Low-Dose Total-Body Irradiation.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 25 Allogeneic Marrow Transplantation for Acute Leukemia.- Materials and Methods.- Results.- Discussion.- Acknowledgments.- References.- 26 Antibody Treatment of Marrow Grafts in Vitro: A Principle for Prevention of Graft-versus-Host Disease.- Materials and Methods.- Results and Conclusions.- Summary.- Acknowledgments.- References.- 27 Natural Killer Cells in Man: Their Possible Involvement in Leukemia and Bone Marrow Transplantation.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 28 Erythrocyte-Incompatible Bone Marrow Transplants.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 29 The Use of Autologous Bone Marrow Transplantation after High-Dose Cytoreductive Therapy in Various Types of Malignancies in Man.- Patient Groups.- Materials and Methods.- Results.- Discussion.- Summary.- References.- VI Animal Models of Clinical Conditions.- 30 Marrow Allograft Survival in W/Wv Anemic Mice: Effects on Skin Graft Survival and Effects of Preimmunization.- Methods and Materials.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 31 Hemopoietic Stem Cells in Experimental Hypoplastic Marrow Failure of the Mouse.- Materials and Methods.- Results.- Discussion.- Acknowledgments.- Summary.- References.- 32 Irradiation-Induced Canine Leukemia: A Proposed New Model Incidence and Hematopathology.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.- 33 Lymphocyte/Marrow Co-Cultures as a Tool to Detect Transfusion-Induced Sensitization and Predict Marrow Graft Rejection in Dogs.- Materials and Methods.- Results.- Discussion.- Summary.- Acknowledgments.- References.