Blood Podcast

In this week’s episode, we will review a manuscript that describes a novel inherited bone marrow failure syndrome associated with defective clearance of formaldehyde by hematopoietic stem cells, learn about the first large scale analysis of the association between cancer-specific mutations in cancer cells and the incidence of cancer-specific thrombosis, and explore results from a large screening study examining the incidence and progression of monoclonal B cell lymphocytosis in families with an inherited predisposition to chronic lymphocytic leukemia.

In this week’s episode, we discuss recent studies providing new insights on the use of minimal residual disease measurements to guide treatment in patients with high-risk ALL; the increasing risk of venous thromboembolism among patients with cancer; and the use of tocilizumab in the prophylaxis of acute graft versus host disease.

In this week’s episode, we will learn more about the feasibility of combining IDH inhibitors with intensive chemotherapy in patients with newly diagnosed IDH-mutant AML, review a phenotypic and functional analysis of the inflammatory infiltrate in the Langerhans Cell Histiocytosis lesion, and discuss the results of a Phase 3 trial in patients with hemophilia A evaluating prophylactic factor replacement therapy targeting two different Factor VIII trough levels for prevention of bleeds.

In this week’s episode, we look at the role of a previously unidentified variant of DNA methyltransferase 1 as a determinant of beta-thalessemia phenotype, report on the association of vascular thromboembolism in cancer patients treated with immune checkpoint inhibitors, and finally we explore preclinical models of acute erythroid leukemia using CRISPR/Cas 9 hematopoietic genome editing.

In this week’s episode, will review a study that looks at primary diffuse large B-cell lymphoma of the central nervous system comparing tumor biologic features associated with Epstein-Barr virus, examine the functions of regulatory T cells in thrombus resolution in a mouse model, and learn more about subsequent malignant neoplasms in treated pediatric patients with Hodgkin lymphoma.

Diagnosis and treatment of acquired hemolytic anemia can be challenging. In this How I Treat series, edited by Mario Cazzola, clinical experts discuss their approaches to the treatment of patients with 4 different classes of acquired hemolytic anemia.

In this week’s episode, we will review recent studies providing new insights on frontline use of checkpoint inhibitors in classical Hodgkin lymphoma, immune escape mechanisms in diffuse large B-cell lymphoma, and the role of SRP54 mutations in congenital neutropenia.

In this week’s episode, we will review a study that provides further evidence of poor prognosis in patients with multiple myeloma who have “double hit” mutations targeting TP53, examine the early use of BCR-ABL1 kinetics to predict the likelihood of treatment free remission in patients with chronic myeloid leukemia receiving tyrosine kinase inhibitors, and learn more about a direct causative link between IL-18 with arrythmias and myocardial fibrosis in sickle cell cardiomyopathy.

In this week’s episode, we will learn more about pre-clinical work that aims to identify optimal immunotargets for treatment of pediatric AML, report on a novel path for subcutaneous administration of Factor 8, and highlight the performance characteristics of the platelet factor 4-dependent p-selectin expression assay for the diagnosis of heparin-induced thrombocytopenia.

In this week’s episode, we will learn about the cost effectiveness of caplacizumab in acquired thrombotic thrombocytopenic purpura, review outcomes of a phase 2 trial of pomalidomide in subjects failing prior therapy of chronic graft-versus-host disease, and examine results of a phase 1/2 study looking at the use of ibrutinib and obinutuzimab plus venetoclax in patients with mantle-cell lymphoma.

In this week’s episode, we will cover recent research that provides new insights into the treatment of relapsed or refractory acute myeloid leukemia, immune-mediated thrombotic thrombocytopenic purpura, and sickle cell disease.

In this week’s episode, we will review a study that describes the pathogenic relevance of retinoic acid-responsive CD8+ T-cells in gastrointestinal graft-versus-host disease, learn more about how storage-induced disturbances of platelets is linked to changes in the number and sphingolipid content of platelet extracellular vesicles which predispose to transfusion related acute lung injury, and lastly, review the findings of a phase II study of venetoclax plus R-CHOP as first-line treatment for patients with diffuse large B-cell lymphoma.

In this week’s episode, we will explore the characteristics of the tumor and immune environment as predictors of response to blinatumomab in B cell ALL, look at a new predictive tool for guiding decision-making for stem cell transplantation in acute myeloid leukemia, and review the mechanisms of how persistent terminal complement activation can still occur even in the presence of complement inhibitors targeting C3 or C5.

In this week’s episode, we will review a study that shows neutrophils are required for optimum recovery from acute lung injury in a murine model, examine the implication of germline genetic factors in the myeloproliferative neoplasm, polycythemia vera, and learn about the use of emicizumab for bleeding control in a small study of patients with acquired hemophilia A.

This week’s episode covers recent research that provides new insights in erythropoiesis, mastocytosis, and chronic active EBV. First, we’ll review a report describing how interactions between an E3 ubiquitin ligase and a heterochromatin-associated protein may serve as a “toggle” of sorts to regulate the formation of red blood cells. Next, researchers find that presence of hereditary α tryptasemia may predict the risk of severe anaphylaxis in patients with mastocytosis. Finally, we’ll review a report revealing large numbers of myeloid-derived suppressor cells in patients with EBV-associated T/NK cell lymphoproliferative disorders, which may have important implications for understanding disease pathogenesis and targeted approaches to therapy.

In this week’s episode, we will review a study that shows that non-invasive imaging of T cell metabolic activity can detect early graft-versus-host disease after allogeneic hematopoietic stem cell transplantation, learn more about how detailed assessment of measurable residual disease in multiple myeloma can better define outcomes and how treatment resistance arises, and finally, examine the mechanism of action and pharmacokinetics of Ciraparantag, a small molecule being developed to rapidly reverse the effects of anticoagulants.

In this week’s episode, we will review a study that evaluates the role of pre-transplant leukocyte telomere length on survival outcomes in patients with myelodysplastic syndrome, learn more about a potential novel treatment for patients with WHIM syndrome, and examine a novel mechanism important for the maintenance of normal hematopoietic stem cell quiescence, and hence, long-term blood formation.

In this week’s episode, we will learn more about T-cells from SARS-CoV-2-infected individuals, review a study that describes the rapid clinical and histologic response to anti-PD1 first-line therapy in early-stage, unfavorable Hodgkin lymphoma, and discuss a meta-analysis and systematic review of outcomes of patients with hematologic malignancies and Covid-19.

In this week’s episode, we will review a study describing real-world data where PET scans following chemotherapy for primary mediastinal B-cell lymphoma were used to guide consolidative radiotherapy, learn more about the novel role of the BLOC-2 protein complex in the formation of Weibel-Palade bodies that store von Willebrand Factor in endothelial cells, and finally, examine how mutant TP53 in myelodysplastic syndrome is associated with immune checkpoint overexpression in the bone marrow.

In this week’s episode, we will review a study that describes how transfer of whole mitochondria from hematopoietic stem cells to bone marrow mesenchymal stem cells helps regenerate the stroma and its capacity to sustain hematopoietic recovery in irradiated mice undergoing stem cell transplant, examine the potential benefit of adding the BCL2-inhibitor, venetoclax, to standard treatment regimens for patients with relapsed or refractory follicular lymphoma, and finally, we will learn more about how NCOA4, the autophagic receptor for ferritin, is necessary for the mobilization of liver iron stores during stress erythropoiesis.

In this week’s episode, we will review a study that reveals a previously unknown role for the canonical Wnt signaling pathway in the regulation of granulocyte production in steady state and emergency granulopoiesis, examine the discordance in different assays that measure factor VIII activity after adenoviral-associated gene therapy, and learn about the dynamics of declining antibody levels in repeat Covid-19 convalescent plasma donors.

In this week’s episode, we will review an proof-of concept study using the bispecific antibody AFM13 in combination with a check-point inhibitor in patients with relapsed or refractory Hodgkin lymphoma, learn more about how iron restriction might be a promising new therapy for congenital erythropoietic porphyria, and review a manuscript that provides novel molecular insights into the requirement for RUNX1 in a mouse model of inversion 16 acute myeloid leukemia, providing a path forward for new therapies to treat this subgroup of AML.

In this week’s episode, we will review a study on the involvement of lysine-specific, we’ll cover some of the latest findings in COVID-19, multiple myeloma, and myelodysplastic syndromes. First, we’ll review an observational, multicenter study suggesting that convalescent plasma with anti-SARS-CoVid-2 antibodies may be a promising therapy in B-cell depleted patients who have prolonged COVID-19 symptoms. Next, we’ll discuss a research article showing that inhibition of JAK-STAT3 signaling with ruxolitinib could upregulate CD38 expression, thereby enhancing daratumumab-mediated cytotoxicity in multiple myeloma. Finally, we’ll review a report showing for the first time that in MDS, machine learning algorithms can be used to reveal novel associations between morphologic features and genetic lesions that may have important prognostic implications.

In this week’s episode, we will review a study on the involvement of lysine-specific demethylase 1A in hematopoietic stem cell expansion, examine the role of platelet receptor PAR4 in venous thromboembolism; and finally, investigate the relative contributions of maternal versus fetal hepcidin in embryonic iron endowment in both healthy and inflammatory states.

In this week’s episode, we will review a study that uncovers a role for CLCX4 in inducing the two hallmark features of primary myelofibrosis, bone marrow fibrosis and inflammation. We will next examine how genetic predisposition and altered gut microbiome can trigger the development of Precursor B-ALL in mice, and finally, learn how SARS-CoV2 spike proteins activate complement by engaging the alternative pathway, a novel finding which raises the prospect for targeted therapy of COVID-19-associated micro-angiopathy.

In this week’s episode, we will learn more about the immune defects and granule dysfunction in the leukocytes of patients with the rare recessive platelet disorder, gray platelet syndrome, review a study that examines the cost effectiveness of first-line versus third-line ibrutinib in patients with chronic lymphocytic leukemia, and review a manuscript that proposes a diagnostic classifier to facilitate the diagnosis of childhood autoimmune lymphoproliferative syndrome.

In this week’s episode, we will review a study that utilized whole-genome sequencing to define the mutational spectrum and clonal architecture of myelodysplastic/ myeloproliferative neoplasms, learn more about the association between plasma levels of growth differentiation factor 15 and the risk of venous thromboembolism, and examine the role of microenvironment myeloid cells in supporting the growth of T-cell acute lymphoblastic leukemia.

In this week’s episode, we will learn about two molecular brakes that regulate platelet activation and production, review a study showing that giving BCR-ABL1 tyrosine kinase inhibitors after allogeneic stem cell transplantation for Philadelphia-positive ALL prevents relapse, and lastly, see how investigators deciphered the role of a micro-RNA that increases platelet formation by reducing the expression of the actin-bundling protein, L-plastin, in megakaryocytes.

In this bonus episode, we welcome Blood Associate Editor, Dr. Margaret Goodell, along with colleagues Dr. Grant Challen and Dr. David Steensma as they discuss the Blood review series on mechanisms and clinical implications of clonal hematopoiesis. The articles in this series review the mechanisms driving the development of clonal hematopoiesis, the associated risks posed by clonal hematopoiesis for patients with hematologic and nonhematologic disorders and patients with inherited bone marrow syndromes, and the clinical ramifications of discovering clonal hematopoiesis and sharing the results with patients.Review Series on Mechanisms and Clinical Implications of Clonal Hematopoiesis

In this week’s episode, we will learn more about the pre-clinical and clinical development of optimized, bivalent, tandem CD20 and CD19 chimeric antigen receptor T cells for treatment of relapsed/refractory non-Hodgkin lymphoma, examine a study that reveals the first stage in the clearance of senescent red blood cells by the spleen, and review a manuscript that describes the first transgenic mouse model fully reproducing specific renal lesions and kidney dysfunction observed in human light chain deposition disease.

In this week’s episode, we will learn more about the role of hepcidin in fetal iron homeostasis, review a new study with improved outcomes in HLA-antigen mismatched transplantation, and examine how two splicing factor mutations can coexist in the same cell in patients with myeloid malignancies.

In this week’s episode, we will examine the effects of protecting and regenerating Paneth cells and intestinal stem cells in acute-graft-versus-host-disease, learn more about how Plasmodium falciparum gametocytes develop in the bone marrow by invading erythroblasts, and look at a meta-analysis of direct oral anticoagulants for treating cancer patients with acute venous thromboembolism.

In this bonus episode, we welcome Drs. Mario Cazzola, Rachel Grace, and Achille Iolascon as they discuss the Blood Review Series on Inherited Anemias. In this series, experts review the biology and pathophysiology of prominent inherited anemias and provide updated information on their management.Review Series on Inherited Anemias

In this week’s episode, we start by reviewing two studies on the risks of transmitting HIV from transfusion. The first study asks whether changing the US blood donation policy for men who have sex with men from an indefinite deferral, to a deferral of 12 months from last sex, increases the risk of transfusion-transmitted HIV. The second study examines the frequency of detecting anti-HIV retroviral drugs in the serum of people attempting to donate blood. We will also review a manuscript examining the impact of Myc in HIV-associated non-Hodgkin lymphomas treated with EPOCH chemotherapy with or without vorinostat. And lastly, we learn more about platelet hyperactivity in two recent studies of patients with COVID-19.

In this week’s episode, we will learn about vasomotor hyper-responsiveness in sickle cell disease, examine the role of neutrophil extracellular traps in the pathophysiology of immunothrombosis in COVID-19-associated acute respiratory distress syndrome, and discuss a large series evaluating allogeneic hemopoietic cell transplantation in chronic granulomatous disease.

In this week’s episode, we will review a study that identifies a new modular organization of erythropoiesis and offers a novel strategy to overcome chronic anemias, summarize a study that used data from two large phase three trials to examine the risk of thrombosis in patients with newly diagnosed multiple myeloma, and review the first report of autosomal recessive germline TET2 deficiency, which results in immunodeficiency, autoimmune lymphoproliferation, and lymphoma.

In this week’s episode we will review a study exploring recurrent somatic deletions at chromosome 13q12.2 in acute lymphoblastic leukemia leading to upregulation of FLT3, examine how matriptase-2 plays a key role in suppressing hepatic hepcidin expression, and learn about the addition of daratumumab to lenalidomide, bortezomib, and dexamethasone as a quadruple therapy for transplant eligible patients with newly diagnosed multiple myeloma.

In this week’s episode we will review a study exploring the use of demethylating agents in patients with adult T-cell leukemia-lymphoma, learn more about hematopoietic stem cell formation, and examine treatment timing and prognosis in newly diagnosed patients with acute myeloid leukemia.

In this week’s episode we will review a study exploring the use of a novel hemophilia A mouse model to examine emicizumab function in vivo, a new approach to fighting the cytokine storm of HLH with a combination of glucocorticoids and ruxolitinib, and a timely Letter to Blood about red cell-bound antibodies and transfusion requirements in hospitalized patients with COVID-19.

In this week's episode we will review a study that demonstrates how the impaired hematopoietic stem cells (HSCs) observed in β-thalassemia can be rescued by administration of parathyroid hormone, learn more about genetic variants that can increase the risk of venous thromboembolism, and explore the identification of two DNA methylation subtypes of Waldenström’s macroglobulinemia.

In this episode we will review a study identifying cyclin-dependent kinase 6 (or CDK6) as a therapeutic target of NUP98-driven acute myeloid leukemia (or AML), learn more about the largest clinical dataset on cold agglutinin disease, and examine the effects of COVID-19 on coagulation parameters as well as bleeding and thrombosis in hospitalized patients.

In this episode we’ll review the risk of bleeding after initiating treatment for acquired hemophilia A, examine the functional effect of antibodies leading to immune TTP and how this can be used as a biomarker, and finally, a blast from the past – we will discuss a study that explores the intriguing possibility that a core component driving globin gene expression became active long ago.

This week we’ll review data that suggests the pro-inflammatory environment associated with aging alters hematopoietic stem cell function by inducing IL27 receptor alpha expression, examine a study attempting to optimize antiplatelet therapy in essential thrombocythemia, and learn more about a study by investigators who have proposed that myelodysplastic syndrome patients with mutations in SF3B1 identify a new subtype of that disease.

This week we will explore the impact of calreticulin (or CALR) haploinsufficiency on hematopoietic stem cell activity in the context of myeloproliferative neoplasms, explore mechanisms of leukemogenesis related to the E2A-PBX1 fusion protein in childhood B-cell acute lymphoblastic leukemia, and learn about the connection between intestinal microbiota, their metabolite short chain fatty acids and chronic graft versus host disease after allogeneic stem cell transplantation.

In this bonus podcast episode Dr. Jean Soulier shares highlights of the Blood Review Series on Secondary Leukemia. In this review series, experts provide new insights into the pathobiology of secondary acute myeloid leukemias arising in diverse genetic or acquired, benign or malignant hematologic disorders.Review Series on Secondary Leukemia

In this week’s episode we’ll examine the cause and clinical significance of dysplastic hematopoiesis at time of diagnosis in patients with multiple myeloma, review a multi‐omics analysis of patients that have undergone blastic transformation of chronic myeloid leukemia, and learn about HLA alleles that are either risk factors or protective for immune-mediated TTP in Japan.

In this week’s episode we’ll review a study focusing on the causes and impact of the inflammation of aging on hematopoietic stem cell function, learn about the potential influence of the endothelial cell protein C receptor in the pathogenesis of hemophilic arthropathy, and assess a novel function of GPS2 on erythropoiesis.

In this week’s episode we’ll review results of a trial of venetoclax plus low-dose cytarabine in untreated patients with acute myeloid leukemia who are ineligible for intensive chemotherapy, learn how HRI-regulated transcription factor ATF4 activates BCL11A transcription to silence fetal hemoglobin expression, and assess new data demonstrating that aromatase is a novel neosubstrate of cereblon responsible for thrombocytopenia caused by immunomodulatory drugs.

This week’s episode will discuss the impact of sickle cell disease on the bone marrow vascular niche, highlight more about the evolution of retrovirus-infected premalignant T-cell clones in adult T-cell leukemia/lymphoma, and assess the outcomes following hematopoietic cell transplantation for Wiskott-Aldrich syndrome.

In this week’s episode we will review a report on the use of hydroxyurea as an alternative to transfusion therapy for the prevention of recurrent strokes in patients with sickle cell anemia, learn more about why some erythroblasts continue to produce hemoglobin F in adults, and review a study that explores cancer outcomes in patients with short telomere syndromes.