Evidence map›Paper›PMID 24717220›Full record

Trial reportTransplantation2014

Langerhans cell homeostasis and turnover after nonmyeloablative and myeloablative allogeneic hematopoietic cell transplantation.

Marco Mielcarek, Anna Yasmine Kirkorian, Robert C Hackman, Jeremy Price, Barry E Storer, Brent L Wood, Marylene Leboeuf, Milena Bogunovic, Rainer Storb, Yoshihiro Inamoto and 4 more

Open access · greenAbstract readClinical TrialComparative Study
In one paragraph

Trial report in Transplantation, 2014. 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
3.3field-weighted citation impact, top 7% of its field
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, 37 citations in OpenAlex.

  1. Review
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  4. The roles of tissue resident macrophages in health and cancer.Experimental hematology & oncology · 2024
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  14. Origins and diversity of macrophages in health and disease.Clinical & translational immunology · 2020
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  19. Graft versus tumor effects and why people relapse.Hematology. American Society of Hematology. Education Program · 2017
    Review
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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

14 authors at 4 institutions in 2 countries.

Marco Mielcarek1 Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA. 2 University of Washington, Seattle, WA. 3 Immunology Institute, Mount Sinai Medical Center, New York, NY. 4 Tisch Cancer Institute, Mount Sinai Medical Center, New York, NY. 5 Institute of Cellular Medicine, Newcastle University, UK. 6 Address correspondence to: Marco Mielcarek, M.D., Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue N., Mail Stop D1-100, PO Box 19024, Seattle, WA 98109.
Anna Yasmine Kirkorian
Robert C Hackman
Jeremy Price
Barry E Storer
Brent L Wood
Marylene Leboeuf
Milena Bogunovic
Rainer Storb
Yoshihiro Inamoto
Mary E Flowers
Paul J Martin
Matthew Collin
Miriam Merad
University of Washington · USMount Sinai Medical Center · USFred Hutch Cancer Center · USNewcastle University · GB

Funding

Translational Bioimaging Core Shared ResourceP30CA015704 · NCI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI Marian Esvelt · 1985 to 2026
$296.4M
VIRUS-MEDIATED MYELOSUPPRESSIONP01CA018029 · NCI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI Geoffrey Roger HILL · 1985 to 2026
$128.4M
Project 3: Stem Cell Allografts for Lymphoid MalignanciesP01CA078902 · NCI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI SANDMAIER, BRENDA MARIE · 1999 to 2025
$46.1M
ERK control of Dendritic Cell Differentiation, Homeostasis and DiseaseR01CA154947 · NCI · ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI · PI CARL E ALLEN, MIRIAM MERAD · 2011 to 2026
$7.0M
Statins for Prevention of GVHDR01HL108307 · NHLBI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI MIELCAREK, MARCO B · 2011 to 2015
$2.2M
NCI NIH HHS CA015704NCI NIH HHS CA018029NCI NIH HHS CA078902NCI NIH HHS P01 CA018029NCI NIH HHS P01 CA078902NCI NIH HHS P30 CA015704NCI NIH HHS R01 CA154947NHLBI NIH HHS HL108307NHLBI NIH HHS R01 HL108307
6 · The paper itself

Abstract

backgroundLangerhans cells (LCs) are self-renewing epidermal myeloid cells that can migrate and mature into dendritic cells. Recipient LCs that survive cytotoxic therapy given in preparation for allogeneic hematopoietic cell transplantation may prime donor T cells to mediate cutaneous graft-versus-host disease (GVHD). This possible association, however, has not been investigated in the setting of nonmyeloablative allografting.

methodsWe prospectively studied the kinetics of LC-chimerism after sex-mismatched allogeneic hematopoietic cell transplantation with nonmyeloablative (n=23) or myeloablative (n=25) conditioning. Combined XY-FISH and Langerin-staining was used to assess donor LC-chimerism in skin biopsies obtained on days 28, 56, and 84 after transplant. The degree of donor LC-chimerism was correlated with the development of skin GVHD.

resultsWe observed significantly delayed donor LC-engraftment after nonmyeloablative transplantation compared with other hematopoietic compartments and compared with LC-engraftment after myeloablative conditioning. In most recipients of nonmyeloablative transplants, recipient LCs proliferated in situ, recruitment of donor-LCs was delayed by two months, and full donor LC-chimerism was only reached by day 84 after transplant. Although persistence of host LCs on day-28 after transplant was not predictive for acute or chronic skin GVHD, the recruitment of donor-derived LCs was associated with nonspecific inflammatory infiltrates (P=0.009).

conclusionsThese results show that LCs can self-renew locally but are replaced by circulating precursors even after minimally toxic nonmyeloablative transplant conditioning. Cutaneous inflammation accompanies donor LC-engraftment, but differences in LC conversion-kinetics do not predict clinical or histopathological GVHD.

Indexed as

HomeostasisTransplantation ChimeraAdultAgedFemaleGraft vs Host DiseaseHematopoietic Stem Cell TransplantationHumansIn Situ Hybridization, FluorescenceLangerhans CellsMaleMiddle AgedProspective StudiesTransplantation ConditioningTransplantation, Homologous

Identifiers

PMID24717220
PMCPMC4149838
OpenAlexW2316901336

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.