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Volume 136,
Issue 17,
October 22, 2020

Issue Highlights

Latest in Blood
Free Articles
Kenneth L. McClain; Nitya Gulati
DOI: 10.1182/blood.2020007418
Plenary Papers
T. R. L. Klei; J. Dalimot; B. Nota; M. Veldthuis; F. P. J. Mul; T. Rademakers; M. Hoogenboezem; S. Q. Nagelkerke; W. F. J. van IJcken; E. Oole; P. Svendsen; S. K. Moestrup; F. P. J. van Alphen; A. B. Meijer; T. W. Kuijpers; R. van Zwieten; R. van Bruggen
DOI: 10.1182/blood.2020005351
First Edition
Semjon Willier; Paula Rothämel; Maximilian Hastreiter; Jonas Wilhelm; Dana Stenger; Franziska Blaeschke; Meino Rohlfs; Theresa Kaeuferle; Irene Schmid; Michael H Albert; Vera Binder; Marion Subklewe; Christoph Klein; Tobias Feuchtinger
DOI: 10.1182/blood.2020006921
Clinical Trials and Observations
Kishan K. Patel; Iris Isufi; Shalin Kothari; Amy J. Davidoff; Cary P. Gross; Scott F. Huntington
DOI: 10.1182/blood.2020004922


Message from ASH President on Diversity, Equity, and Inclusion

Authors and Reviewers: New COVID-19 Announcement

Featured Content

Blood Podcast: Season 1, Episode 43

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.

Mutational and phenotypic characterization of hereditary hemorrhagic telangiectasia

Hereditary hemorrhagic telangiectasia (HHT) is a vascular dysplasia inherited as an autosomal dominant trait, but families have often been left without a firm diagnosis because of imprecision in clinical criteria and an incomplete mutational database. Shovlin et al identify more than 100 new likely pathogenic variants in the 4 known HHT genes and provide justification for a systematic approach to the diagnosis of HHT incorporating mutation analysis, modeling, and detailed clinical information.

Hematopoietic stem cells acquire survival advantage by loss of RUNX1 methylation identified in familial leukemia

In an elegant investigation of a familial predisposition to acute leukemia, Matsumura and colleagues implicated mutation of a specific methylation site in the RUNX1 gene. They went on to reveal how altered methylation of this regulatory gene in mice confers on hematopoietic stem cells the hallmark leukemic features of resistance to apoptosis and survival advantage under stress.

Key diagnostic markers for autoimmune lymphoproliferative syndrome with molecular genetic diagnosis

Autoimmune lymphoproliferative syndrome (ALPS) is a rare immunodeficiency caused by mutations in genes affecting the extrinsic apoptotic pathway (FAS, FASL, and CASP10). Through analysis of 215 patients with suspected ALPS, Molnár and colleagues report improved diagnostic accuracy through measurement of double-negative T-cell number, soluble FAS ligand, and apoptotic function.

Cost-effectiveness of first-line vs third-line ibrutinib in patients with untreated chronic lymphocytic leukemia

Using data from a randomized trial of ibrutinib vs chemoimmunotherapy for patients needing first treatment for chronic lymphocytic leukemia, the authors calculated that the incremental cost per quality-adjusted life year gained of using ibrutinib as a first treatment rather than as a later treatment exceeds $2 million. They explore scenarios that influence the cost-effectiveness of ibrutinib and price reductions necessary to meet willingness-to-pay thresholds.

Novel manifestations of immune dysregulation and granule defects in gray platelet syndrome

Sims et al comprehensively studied 47 patients with gray platelet syndrome, expanding both the palette of causal mutations in the NBEAL2 gene and the spectrum of clinical manifestations to include immune dysregulation and autoimmunity. They describe granule defects in multiple leukocyte lineages as well as the classical α-granule defects in platelets, potentially explaining the broader clinical phenotypes.

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