Hematopoietic stem cell transplantation reverses white matter injury measured by diffusion-tensor imaging (DTI) in sickle cell disease patients

Brain injury in sickle cell disease (SCD) comprises a wide spectrum of neurological damage. Neurocognitive deficits have been described even without established neurological lesions. DTI is a rapid, noninvasive, and non-contrast method that enables detection of normal-appearing white matter lesions...

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Veröffentlicht in:Bone marrow transplantation (Basingstoke) 2021-11, Vol.56 (11), p.2705-2713
Hauptverfasser: Costa, Thalita Cristina de Mello, Chiari-Correia, Rodolfo, Salmon, Carlos Ernesto G., Darrigo-Junior, Luiz Guilherme, Grecco, Carlos Eduardo S., Pieroni, Fabiano, Faria, Joana Teresa B., Stracieri, Ana Beatriz P. L., Dias, Juliana B. E., de Moraes, Daniela Aparecida, Oliveira, Maria Carolina, Guerino-Cunha, Renato, Santos, Antônio Carlos, Simões, Belinda P.
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container_end_page 2713
container_issue 11
container_start_page 2705
container_title Bone marrow transplantation (Basingstoke)
container_volume 56
creator Costa, Thalita Cristina de Mello
Chiari-Correia, Rodolfo
Salmon, Carlos Ernesto G.
Darrigo-Junior, Luiz Guilherme
Grecco, Carlos Eduardo S.
Pieroni, Fabiano
Faria, Joana Teresa B.
Stracieri, Ana Beatriz P. L.
Dias, Juliana B. E.
de Moraes, Daniela Aparecida
Oliveira, Maria Carolina
Guerino-Cunha, Renato
Santos, Antônio Carlos
Simões, Belinda P.
description Brain injury in sickle cell disease (SCD) comprises a wide spectrum of neurological damage. Neurocognitive deficits have been described even without established neurological lesions. DTI is a rapid, noninvasive, and non-contrast method that enables detection of normal-appearing white matter lesions not detected by conventional magnetic resonance imaging (MRI). The aim of the study was to evaluate if stem cell transplantation can revert white matter lesions in patients with SCD. Twenty-eight SCD patients were evaluated with MRI and DTI before and after allogeneic hematopoietic stem cell transplantation (HSCT), compared with 26 healthy controls (HC). DTI metrics included fractional anisotropy (FA), mean diffusivity (MD), radial (RD), and axial (AD) diffusivity maps, global efficiency, path length, and clustering coefficients. Compared to HC, SCD patients had a lower FA ( p  = 0.0086) before HSCT. After HSCT, FA increased and was not different from healthy controls ( p  = 0.1769). Mean MD, RD, and AD decreased after HSCT ( p  = 0.0049; p  = 0.0029; p  = 0.0408, respectively). We confirm previous data of white matter lesions in SCD and present evidence that HSCT promotes recovery of brain injury with potential improvement of brain structural connectivity.
doi_str_mv 10.1038/s41409-021-01365-z
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The aim of the study was to evaluate if stem cell transplantation can revert white matter lesions in patients with SCD. Twenty-eight SCD patients were evaluated with MRI and DTI before and after allogeneic hematopoietic stem cell transplantation (HSCT), compared with 26 healthy controls (HC). DTI metrics included fractional anisotropy (FA), mean diffusivity (MD), radial (RD), and axial (AD) diffusivity maps, global efficiency, path length, and clustering coefficients. Compared to HC, SCD patients had a lower FA ( p  = 0.0086) before HSCT. After HSCT, FA increased and was not different from healthy controls ( p  = 0.1769). Mean MD, RD, and AD decreased after HSCT ( p  = 0.0049; p  = 0.0029; p  = 0.0408, respectively). 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DTI is a rapid, noninvasive, and non-contrast method that enables detection of normal-appearing white matter lesions not detected by conventional magnetic resonance imaging (MRI). The aim of the study was to evaluate if stem cell transplantation can revert white matter lesions in patients with SCD. Twenty-eight SCD patients were evaluated with MRI and DTI before and after allogeneic hematopoietic stem cell transplantation (HSCT), compared with 26 healthy controls (HC). DTI metrics included fractional anisotropy (FA), mean diffusivity (MD), radial (RD), and axial (AD) diffusivity maps, global efficiency, path length, and clustering coefficients. Compared to HC, SCD patients had a lower FA ( p  = 0.0086) before HSCT. After HSCT, FA increased and was not different from healthy controls ( p  = 0.1769). Mean MD, RD, and AD decreased after HSCT ( p  = 0.0049; p  = 0.0029; p  = 0.0408, respectively). We confirm previous data of white matter lesions in SCD and present evidence that HSCT promotes recovery of brain injury with potential improvement of brain structural connectivity.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>34234298</pmid><doi>10.1038/s41409-021-01365-z</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-0691-2222</orcidid><orcidid>https://orcid.org/0000-0002-9398-3338</orcidid><orcidid>https://orcid.org/0000-0002-5502-4734</orcidid><orcidid>https://orcid.org/0000-0001-6007-8908</orcidid><orcidid>https://orcid.org/0000-0003-3936-0129</orcidid><oa>free_for_read</oa></addata></record>
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1476-5365
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subjects 631/532/1542
692/699/1541/13
Anemia, Sickle Cell - pathology
Anemia, Sickle Cell - therapy
Anisotropy
Brain
Brain Injuries - pathology
Brain injury
Care and treatment
Cell Biology
Clustering
Cognition
Diagnosis
Diffusion Tensor Imaging - methods
Diffusivity
Evaluation
Head injuries
Hematology
Hematopoietic Stem Cell Transplantation
Hematopoietic stem cells
Humans
Internal Medicine
Lesions
Magnetic resonance imaging
Medical imaging
Medicine
Medicine & Public Health
Neural networks
Neuroimaging
Neurological diseases
Public Health
Sickle cell anemia
Sickle cell disease
Stem cell transplantation
Stem Cells
Substantia alba
Tensors
Transplantation
Traumatic brain injury
White Matter - diagnostic imaging
White Matter - pathology
title Hematopoietic stem cell transplantation reverses white matter injury measured by diffusion-tensor imaging (DTI) in sickle cell disease patients
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