Transient reprogramming

Transient reprogramming has been studied in 7 papers since 2020: 1 observational study in people, 4 in animals, 1 in cells; 4 in the past year. The newest story, Oct 10, 2026: “Short reprogramming reverses blood stem cell aging in mice”.

InterventionPartial reprogramming

7 papers study it13 findingsUpdated

1 new paper in 30 daysSee all 7

None of its findings points the other way.

Mouse preprints report improved hematopoietic reconstitution, reproduced by independent labs, alongside reduced chromatin accessibility at AP-1-bound regions in hematopoietic stem cells and reduced myeloid bias during physiological and LPS-driven stem-cell aging. The work spans two independent labs in one country; two of four findings have an author at Inovarion.

13 findings in 6 papers from 2020 to 2026, 3 of them since June 2026

  • 5 independent labs in 4 countries
  • Funders: National Institute on Aging and others
  • 3 of 12 findings with company ties
  • Humans1
  • Animals4
  • Cells1
  • In silico1

What did studies of Transient reprogramming find?

12

Studies of Transient reprogramming measured 12 outcomes; the most studied are hematopoietic reconstitution (2 studies), premature hematopoietic stem cell aging (1) and chromatin accessibility at AP-1-bound regions (1).

Hematopoietic reconstitution

upin mice2

2 studies
  1. Transient reprogramming improves hematopoietic reconstitution in mice.

    “while in old mice it reverses HSC aging features, improving hematopoietic reconstitution, reducing myeloid bias and DNA damage.”

    AnimalsYamanaka factor inductionhematopoietic stem cell16 days

    Short reprogramming reverses blood stem cell aging in mice

    Research SquarePreprint

  2. Transient reprogramming improves hematopoietic reconstitution in mice.

    “Transient reprogramming improved hematopoietic reconstitution, reduced myeloid bias, and limited DNA damage.”

    Animalsphysiological and LPS-driven HSC aging

    Transient reprogramming limits AP-1-associated chromatin opening and transposable element activation to preserve hematopoietic stem cell function during aging and stress

    bioRxivPreprint

Premature hematopoietic stem cell aging

downin mice1

1 study
  1. Transient reprogramming protects against premature hematopoietic stem cell aging in mice.

    “Reprogramming protected HSCs from chronic LPS-induced premature aging.”

    Animalschronic lipopolysaccharide exposurehematopoietic stem cell

    Short reprogramming reverses blood stem cell aging in mice

    Research SquarePreprint

Chromatin accessibility at AP-1-bound regions

downin mice1

1 study
  1. Transient reprogramming decreases chromatin accessibility at AP-1-bound regions in mice.

    “reprogramming induces an early reduction in chromatin accessibility at AP-1-bound regions”

    Animalshematopoietic stem cell

    Short reprogramming reverses blood stem cell aging in mice

    Research SquarePreprint

More on Chromatin accessibility at AP-1-bound regions

DNA damage

downin mice1

1 study
  1. Transient reprogramming decreases DNA damage in mice.

    “while in old mice it reverses HSC aging features, improving hematopoietic reconstitution, reducing myeloid bias and DNA damage.”

    AnimalsYamanaka factor inductionhematopoietic stem cell16 days

    Short reprogramming reverses blood stem cell aging in mice

    Research SquarePreprint

Myeloid bias

downin mice1

1 study
  1. Transient reprogramming decreases myeloid bias in mice.

    “Transient reprogramming improved hematopoietic reconstitution, reduced myeloid bias, and limited DNA damage.”

    Animalsphysiological and LPS-driven HSC aging

    Transient reprogramming limits AP-1-associated chromatin opening and transposable element activation to preserve hematopoietic stem cell function during aging and stress

    bioRxivPreprint

Blood flow

upin mice1

1 study
  1. Transient reprogramming increases blood flow in mice.

    “a significantly improved blood flow was observed at 7 and 14 days after hind-limb ischemia in 21 months old C57BL/6 mice (p < 0.001).”

    Animalshind-limb ischemia7 and 14 days

    Functional rejuvenation of endothelial cell aging by transient reprogramming

    Basic research in cardiology

Integrated proviral DNA

downin human cells1

1 study
  1. Transient reprogramming decreases integrated proviral DNA in human cells.

    “transient reprogramming of patient-derived CD4+ T cells restores their ability to eliminate HIV-infected reservoirs, excising integrated proviral DNA”

    Cellsex vivo treatment of patient-derived CD4+ T cells

    Awakening intracellular immunity for functional HIV cure

    bioRxiv (Cold Spring Harbor Laboratory)Preprint

More on Integrated proviral DNA

Retroelement epigenetic clock

downin silico1

1 study
  1. Transient reprogramming decreases retroelement epigenetic clock in silico.

    “retroelement epigenetic clocks were reversed during transient epigenetic reprogramming”

    In silicotransient epigenetic reprogramming

    Retroelement-Age Clocks: Epigenetic Age Captured by Human Endogenous Retrovirus and LINE-1 DNA methylation states

    bioRxiv : the preprint server for biologyPreprint

More on Retroelement epigenetic clock

Lifespan

upin mice1

1 study
  1. Transient reprogramming extends lifespan in mice.

    “transient reprogramming can ameliorate age-associated hallmarks and extend lifespan in progeroid mice”

    Reviewprogeroid mice

    Transient non-integrative expression of nuclear reprogramming factors promotes multifaceted amelioration of aging in human cells

    Nature communications

Stem cell maintenance

upin human cells1

1 study
  1. Transient reprogramming improves stem cell maintenance in human cells.

    “restoration of youthful regenerative response to aged, human muscle stem cells”

    Cellsnaturally aged human cellsmuscle stem cell

    Transient non-integrative expression of nuclear reprogramming factors promotes multifaceted amelioration of aging in human cells

    Nature communications

More on Stem cell maintenance

All 12

Funding

2 grants since 2024

Japan Society for the Promotion of ScienceJP¥4.4mNederlandse Organisatie voor Wetenschappelijk Onderzoek

Latest

Nov 2025: 0Dec 2025: 0Jan 2026: 1Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 1Jul 2026: 0Aug 2026: 1Sep 2026: 0Oct 2026: 14 papers in 12 months
Research Square

Short reprogramming reverses blood stem cell aging in mice

Activating reprogramming factors for 16 days in old mice reduced DNA damage, improved blood reconstitution, and dampened transposable element activity.Activating reprogramming factors for 16 days in old mice reduced DNA damage, improved blood reconstitution, and dampened transposable element activity.

Preprint: experiments in micePartial reprogramming