Evidence map›Paper›PMID 32344432›Full record

ArticleBlood2020

Hematopoietic stem cell function in β-thalassemia is impaired and is rescued by targeting the bone marrow niche.

Annamaria Aprile, Alessandro Gulino, Mariangela Storto, Isabella Villa, Stefano Beretta, Ivan Merelli, Alessandro Rubinacci, Maurilio Ponzoni, Sarah Marktel, Claudio Tripodo and 2 more

Abstract read
In one paragraph

Article in Blood, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

27 citing papers in PubMed.

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  17. Editing outside the body: Ex vivo gene-modification for β-hemoglobinopathy cellular therapy.Molecular therapy : the journal of the American Society of Gene Therapy · 2021
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors.

Annamaria AprileSan Raffaele-Telethon Institute for Gene Therapy (SR-TIGET), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Scientific Institute, Milan, Italy.
Alessandro GulinoTumor Immunology Unit, Human Pathology Section, Department of Health Sciences, University of Palermo, Palermo, Italy.
Mariangela StortoSan Raffaele-Telethon Institute for Gene Therapy (SR-TIGET), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Scientific Institute, Milan, Italy.
Isabella VillaBone Metabolism Unit, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, Milan, Italy.
Stefano BerettaSan Raffaele-Telethon Institute for Gene Therapy (SR-TIGET), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Scientific Institute, Milan, Italy.
Ivan MerelliSan Raffaele-Telethon Institute for Gene Therapy (SR-TIGET), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Scientific Institute, Milan, Italy.
Alessandro RubinacciBone Metabolism Unit, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, Milan, Italy.
Maurilio PonzoniVita-Salute San Raffaele University, Milan, Italy; and.
Sarah MarktelHematology and Bone Marrow Transplantation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy.
Claudio TripodoTumor Immunology Unit, Human Pathology Section, Department of Health Sciences, University of Palermo, Palermo, Italy.
Maria Rosa LidonniciSan Raffaele-Telethon Institute for Gene Therapy (SR-TIGET), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Scientific Institute, Milan, Italy.
Giuliana FerrariSan Raffaele-Telethon Institute for Gene Therapy (SR-TIGET), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Scientific Institute, Milan, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Hematopoietic stem cells (HSCs) are regulated by signals from the bone marrow (BM) niche that tune hematopoiesis at steady state and in hematologic disorders. To understand HSC-niche interactions in altered nonmalignant homeostasis, we selected β-thalassemia, a hemoglobin disorder, as a paradigm. In this severe congenital anemia, alterations secondary to the primary hemoglobin defect have a potential impact on HSC-niche cross talk. We report that HSCs in thalassemic mice (th3) have an impaired function, caused by the interaction with an altered BM niche. The HSC self-renewal defect is rescued after cell transplantation into a normal microenvironment, thus proving the active role of the BM stroma. Consistent with the common finding of osteoporosis in patients, we found reduced bone deposition with decreased levels of parathyroid hormone (PTH), which is a key regulator of bone metabolism but also of HSC activity. In vivo activation of PTH signaling through the reestablished Jagged1 and osteopontin levels correlated with the rescue of the functional pool of th3 HSCs by correcting HSC-niche cross talk. Reduced HSC quiescence was confirmed in thalassemic patients, along with altered features of the BM stromal niche. Our findings reveal a defect in HSCs in β-thalassemia induced by an altered BM microenvironment and provide novel and relevant insight for improving transplantation and gene therapy approaches.

Indexed as

Stem Cell NicheAnimalsbeta-ThalassemiaBone MarrowFemaleHematopoiesisHematopoietic Stem CellsHumansMaleMiceMice, Inbred C57BL

Identifiers

PMID32344432
PMCPMC7547533

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.