Blood Podcast

Latest Episodes:

Omidubicel vs standard umbilical cord blood transplant, CAR T-cell associated lymphomas, and CD63 and ferritin export Oct 21, 2021

Show notes

In this week’s episode, we’ll review results of a phase 3 randomized study demonstrating shorter time to neutrophil and platelet recovery with an ex vivo expanded hematopoietic progenitor cell product called omidubicel as compared to standard umbilical cord transplantation. Next, we’ll look at preliminary data on the development of lymphomas originating from piggyBac-modified CD19 CAR T-cells, sounding a note of caution for researchers exploring new gene modification methodologies for CAR T-cell production. We’ll conclude with a report suggesting that the vesicular protein CD63 may orchestrate the transfer of iron-rich ferritin among cells.

Iron homeostasis and anemia of inflammation in TB, and long-term outcomes of gene therapy in adenosine deaminase-deficient SCID patients Oct 14, 2021

Show notes

In this week’s episode, we will review a study that prospectively followed tuberculosis patients after treatment initiation to evaluate iron handling during the resolution of inflammatory anemia. We will also examine clinical benefit and long-term safety of gamma-retroviral gene therapy in patients with adenosine deaminase deficient severe combined immunodeficiency.

Immune megakaryocytes, PD1 deletions in CTCL, and COVID-19 vaccine and VITT Oct 07, 2021

Show notes

In this week’s episode, we’ll review a study providing new insights on megakaryocyte diversity and function, including a unique subpopulation that may act as immune cells. Next, we’ll review research that intriguingly reveals a putative role for the PD1 gene in cutaneous T-cell lymphoma. Lastly, we’ll conclude with a report demonstrating a lack of cross-reaction between the antibodies that cause vaccine-induced thrombocytopenia and thrombosis, and the COVID-19 spike protein.

Inhibition of P-selectin as an anticoagulant, prognostic implications of CEBPA mutations in AML, and treating sickle cell disease with voxelitor Sep 30, 2021

Show notes

In this week’s episode, we’ll review a study that demonstrates the efficacy of a synthetic inhibitor termed P-G6 that blocks P-selectin signaling and reduces thrombus formation in a pre-clinical model of non-occlusive venous thrombosis, learn more about how biallelic and single bZip CEBPA mutations have an equally favorable prognostic impact in acute myeloid leukemia, and examine the effects of modifying the pathophysiology of sickle cell anemia with therapeutic agents that increase oxygen affinity.

Caution on JAK inhibitors in HLH, CD44 loss sensitizes AML to venetoclax, and new insights on cell cycle control in Richter transformation Sep 23, 2021

Show notes

In this week’s episode, we review results of preclinical investigations that sound a note of caution regarding the potential use of JAK inhibitors as treatment for hemophagocytic lymphohistiocytosis (or HLH), research that provides new insights on how CD44 loss of function sensitizes AML cells to the BCL-2 inhibitor venetoclax, and conclude with a report that demonstrates cooperation between B cell receptor signaling and genetic lesions in CDKN2A, CDKN2B and TP53 in Richter transformation.

Improved risk assessment in adult BCR-ABL1-negative B-ALL, value of clone metrics in clonal cytopenias, a placental protease generates a peptide to inhibit NET formation Sep 16, 2021

Show notes

In this week’s episode, we will review an integrated analysis of one of the largest adult BCR-ABL1-negative B-ALL patient cohorts treated in a single trial, learn more about the genotypic and phenotypic features of patients with clonal cytopenias, and look at a study showing that a serine protease expressed in the placenta cleaves α1-antitrypsin to generate a fragment that inhibits formation of neutrophil extracellular traps in neonates.

Fixed-duration venetoclax in relapsed CLL, differing effects of invariant NK T cells, and under recognition of rare TERT variants in MDS Sep 09, 2021

Show notes

In this week’s episode, we’ll review updated results of a phase 1b study that provide strong support for the use of fixed-duration venetoclax in patients with relapsed or refractory CLL. Next, we’ll review a research paper that provides new insights on the different subtypes of invariant natural killer T cells, which appear to have diverse immunoregulatory properties and anti-tumor effects. We will finish up with a report indicating that rare variants in the telomerase gene, TERT, are underrecognized in patients with myelodysplastic syndromes, providing a new insight into the germline genetic component of disease pathophysiology.

Activated BCL11B in acute leukemias, SARS-CoV-2 antibody responses in lymphoma patients receiving B-cell therapies, and PD-L1 in neutrophil apoptosis and tissue inflammation Sep 02, 2021

Show notes

In this week’s episode, we will review a study that shows that BCL11B is an important oncogene in acute leukemias with myeloid and T-lymphoid features, learn more about antibody responses to SARS-CoV-2 vaccination in lymphoma patients receiving B-cell directed therapies, and examine the role of programmed death ligand 1 (or PD-L1) and the PI 3 kinase-AKT survival pathway in delayed neutrophil apoptosis at sites of tissue inflammation.

Review Series on Mechanisms of Hematologic Malignancies Aug 26, 2021

Show notes

To reach the goal of curing currently incurable hematologic malignancies, we need to go beyond focusing on single gene mutations and gain deeper understanding of the consequences of genetic alterations on gene-regulatory pathways. Edited by John Crispino, these 5 cutting-edge reviews from leaders in the their fields not only summarize our current understanding of key pathways that contribute to myeloid malignancies, but also discuss new therapeutic avenues related to them. They provide a springboard for further groundbreaking basic and clinical advances in hematologic malignancies.

Review Series on Mechanisms of Hematologic Malignancies

IFN-λ therapy for GvHD, mechanism of decitabine in ITP, and TET2 mutations in chronic NK-LGL leukemia Aug 26, 2021

Show notes

In this week's episode, we will review a study that proposes IFN-λ therapy as a novel strategy to boost gut protection in GvHD, examine the immunomodulatory effects of decitabine in ITP, and learn about the discovery of TET2 mutations in chronic natural killer large granular lymphocyte leukemia

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