Evidence map›Paper›PMID 41474970›Full record

ArticleThe Journal of experimental medicine2026

Molecular and phenotypic blueprint of human hematopoiesis links proliferation stress to stem cell aging.

Emanuele Lettera, Luca Basso-Ricci, Edoardo Carsana, Kety Giannetti, Teresa Tavella, Luca Seffin, Giacomo Farina, Nicolò Gualandi, Pamela Quaranta, Elena Lo Furno and 16 more

Abstract read
In one paragraph

Article in The Journal of experimental medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing 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

6 citing papers in PubMed.

  1. Article
  2. Risk Factors for Secondary Immunodeficiency in the Aged.The journal of allergy and clinical immunology. In practice · 2026
    Review
  3. Article
  4. Article
  5. Article
  6. ATP2B1 expression identifies human hematopoietic stem cells with superior repopulation and self-renewal.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

26 authors.

Emanuele LetteraSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0009-0006-2680-2222
Luca Basso-RicciSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0002-5907-005X
Edoardo CarsanaSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0009-0008-6200-2868
Kety GiannettiSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0001-7989-2520
Teresa TavellaSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0002-2298-4413
Luca SeffinSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0009-0005-7028-6125
Giacomo FarinaSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0001-7459-1497
Nicolò GualandiSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0003-0622-6118
Pamela QuarantaSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0009-0009-2988-5387
Elena Lo FurnoSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0003-1414-0154
Guido PaciniSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0001-6506-6949
Lucrezia Della VolpeSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0002-9087-1293
Kerstin B KaufmannUniversity Health Network, Princess Margaret Cancer Centre , Toronto, Canada.ORCID 0000-0001-5013-6123
Laura Garcia-PratUniversity Health Network, Princess Margaret Cancer Centre , Toronto, Canada.ORCID 0000-0002-3786-4852
Raisa Jofra HernandezSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0002-9812-9042
Alex MurisonUniversity Health Network, Princess Margaret Cancer Centre , Toronto, Canada.ORCID 0000-0002-7027-4686
Alicia G Aguilar-NavarroUniversity Health Network, Princess Margaret Cancer Centre , Toronto, Canada.ORCID 0000-0001-6409-0613
Stefano BerettaSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0003-4375-004X
Anastasia ContiSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0002-8670-2649
Eugenia Flores-FigueroaUniversity Health Network, Princess Margaret Cancer Centre , Toronto, Canada.ORCID 0000-0002-7453-1125
Marco OmettiDepartment of Orthopedic Surgery and Traumatology, IRCCS Ospedale San Raffaele, Milan, Italy.ORCID 0000-0002-9868-2745
Ivan MerelliSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0003-3587-3680
Alessandro AiutiSan Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0002-5398-1717
Stephanie Z Xie *University Health Network, Princess Margaret Cancer Centre , Toronto, Canada.ORCID 0000-0002-0284-494X
Serena Scala *San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0002-8579-3809
Raffaella Di Micco *San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS Ospedale San Raffaele , Milan, Italy.ORCID 0000-0002-0639-8238

Funding

AIRC MFAG 2019-PI ID.23321Allan Slaight Breakthrough FundAmerican Society of HematologyEuropean Research Council 101003186European Union - NextGeneration EU D43C22003100007European Union - NextGeneration EU PE000015Fondazione Telethon TIGET Core Grant B2Fondazione Telethon TIGET Core Grant E5Human Frontier Science ProgramItalian Ministero della Salute GR-2019-12369499Japan Agency for Medical Research and DevelopmentNew York Academy of SciencesNew York Stem Cell FoundationPrincess Margaret Cancer Foundation
6 · The paper itself

Abstract

Hematopoietic stem/progenitor cells (HSPC) aging has long been associated with myeloid skewing, reduced clonal output, and impaired regenerative capacity, but quantitative immunophenotypic and functional analysis across the human lifespan has been lacking. Here, we provide a comprehensive phenotypic, transcriptional, and functional dissection of human hematopoiesis from youth to advanced age. Although primitive hematopoietic stem cell (HSC) numbers were stable during aging, overall cellularity declined, especially for erythroid and lymphoid lineages. HSPCs from older individuals exhibited repopulating frequencies comparable with those from younger donors in both primary and secondary xenografts; however, aged HSCs displayed impaired differentiation, chromatin and cell cycle dysregulation, and poor tolerance to activation-induced proliferative stress, resulting in DNA damage and senescence-like features after xenotransplantation. Importantly, imposing proliferative stress on young human HSPCs in vivo recapitulated key aging-associated phenotypic and functional declines. Together, our findings identify dysregulated activation responses as a defining feature of HSPC aging and establish proliferative stress-based xenotransplantation models as powerful platforms for investigating age-related hematopoietic dysfunctions.

Indexed as

AgingCell ProliferationCellular SenescenceHematopoiesisHematopoietic Stem CellsStress, PhysiologicalAdolescentAdultAgedAnimalsCell DifferentiationDNA DamageFemaleHeterograftsHumansMale

Identifiers

PMID41474970
PMCPMC13248933

What OpenQuestion holds

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LicenceCC BY
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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.