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ADA-deficient SCID is associated with a specific microenvironment and bone phenotype characterized by RANKL/OPG imbalance and osteoblast insufficiency.

Adenosine deaminase (ADA) deficiency is a disorder of the purine metabolism leading to combined immunodeficiency and systemic alterations, including skeletal abnormalities. We report that ADA deficiency in mice causes a specific bone phenotype characterized by alterations of structural properties an... Full description

Journal Title: Blood October 8, 2009, Vol.114(15), pp.3216-3226
Main Author: Sauer, Aisha V
Other Authors: Mrak, Emanuela , Hernandez, Raisa Jofra , Zacchi, Elena , Cavani, Francesco , Casiraghi, Miriam , Grunebaum, Eyal , Roifman, Chaim M , Cervi, Maria C , Ambrosi, Alessandro , Carlucci, Filippo , Roncarolo, Maria Grazia , Villa, Anna , Rubinacci, Alessandro , Aiuti, Alessandro
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1528-0020 ; DOI: 10.1182/blood-2009-03-209221
Link: http://search.proquest.com/docview/67687638/?pq-origsite=primo
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title: ADA-deficient SCID is associated with a specific microenvironment and bone phenotype characterized by RANKL/OPG imbalance and osteoblast insufficiency.
format: Article
creator:
  • Sauer, Aisha V
  • Mrak, Emanuela
  • Hernandez, Raisa Jofra
  • Zacchi, Elena
  • Cavani, Francesco
  • Casiraghi, Miriam
  • Grunebaum, Eyal
  • Roifman, Chaim M
  • Cervi, Maria C
  • Ambrosi, Alessandro
  • Carlucci, Filippo
  • Roncarolo, Maria Grazia
  • Villa, Anna
  • Rubinacci, Alessandro
  • Aiuti, Alessandro
subjects:
  • Adenosine Deaminase–Metabolism
  • Animals–Pathology
  • Bone and Bones–Enzymology
  • Female–Metabolism
  • Genetic Therapy–Blood
  • Hematopoiesis–Genetics
  • Hematopoietic Stem Cell Transplantation–Blood
  • Hematopoietic Stem Cells–Genetics
  • Humans–Blood
  • Male–Pathology
  • Mice–Therapy
  • Mice, Inbred Balb C–Therapy
  • Mice, Knockout–Therapy
  • Osteoblasts–Therapy
  • Osteogenesis–Therapy
  • Osteoprotegerin–Therapy
  • Rank Ligand–Therapy
  • Severe Combined Immunodeficiency–Therapy
  • Transplantation, Homologous–Therapy
  • Abridged
  • Osteoprotegerin
  • Rank Ligand
  • Tnfrsf11b Protein, Human
  • Tnfsf11 Protein, Human
  • Tnfrsf11b Protein, Mouse
  • Tnfsf11 Protein, Mouse
  • Adenosine Deaminase
ispartof: Blood, October 8, 2009, Vol.114(15), pp.3216-3226
description: Adenosine deaminase (ADA) deficiency is a disorder of the purine metabolism leading to combined immunodeficiency and systemic alterations, including skeletal abnormalities. We report that ADA deficiency in mice causes a specific bone phenotype characterized by alterations of structural properties and impaired mechanical competence. These alterations are the combined result of an imbalanced receptor activator of nuclear factor-kappaB ligand (RANKL)/osteoprotegerin axis, causing decreased osteoclastogenesis and an intrinsic defect of osteoblast function with subsequent low bone formation. In vitro, osteoblasts lacking ADA displayed an altered transcriptional profile and growth reduction. Furthermore, the bone marrow microenvironment of ADA-deficient mice showed a reduced capacity to support in vitro and in vivo hematopoiesis. Treatment of ADA-deficient neonatal mice with enzyme replacement therapy, bone marrow transplantation, or gene therapy resulted in full recovery of the altered bone parameters. Remarkably, untreated ADA-severe combined immunodeficiency patients showed a similar imbalance in RANKL/osteoprotegerin levels alongside severe growth retardation. Gene therapy with ADA-transduced hematopoietic stem cells increased serum RANKL levels and children's growth. Our results indicate that the ADA metabolism represents a crucial modulatory factor of bone cell activities and remodeling.
language: eng
source:
identifier: E-ISSN: 1528-0020 ; DOI: 10.1182/blood-2009-03-209221
fulltext: fulltext
issn:
  • 15280020
  • 1528-0020
url: Link


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titleADA-deficient SCID is associated with a specific microenvironment and bone phenotype characterized by RANKL/OPG imbalance and osteoblast insufficiency.
creatorSauer, Aisha V ; Mrak, Emanuela ; Hernandez, Raisa Jofra ; Zacchi, Elena ; Cavani, Francesco ; Casiraghi, Miriam ; Grunebaum, Eyal ; Roifman, Chaim M ; Cervi, Maria C ; Ambrosi, Alessandro ; Carlucci, Filippo ; Roncarolo, Maria Grazia ; Villa, Anna ; Rubinacci, Alessandro ; Aiuti, Alessandro
contributorSauer, Aisha V (correspondence author) ; Sauer, Aisha V (record owner)
ispartofBlood, October 8, 2009, Vol.114(15), pp.3216-3226
identifierE-ISSN: 1528-0020 ; DOI: 10.1182/blood-2009-03-209221
subjectAdenosine Deaminase–Metabolism ; Animals–Pathology ; Bone and Bones–Enzymology ; Female–Metabolism ; Genetic Therapy–Blood ; Hematopoiesis–Genetics ; Hematopoietic Stem Cell Transplantation–Blood ; Hematopoietic Stem Cells–Genetics ; Humans–Blood ; Male–Pathology ; Mice–Therapy ; Mice, Inbred Balb C–Therapy ; Mice, Knockout–Therapy ; Osteoblasts–Therapy ; Osteogenesis–Therapy ; Osteoprotegerin–Therapy ; Rank Ligand–Therapy ; Severe Combined Immunodeficiency–Therapy ; Transplantation, Homologous–Therapy ; Abridged ; Osteoprotegerin ; Rank Ligand ; Tnfrsf11b Protein, Human ; Tnfsf11 Protein, Human ; Tnfrsf11b Protein, Mouse ; Tnfsf11 Protein, Mouse ; Adenosine Deaminase
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descriptionAdenosine deaminase (ADA) deficiency is a disorder of the purine metabolism leading to combined immunodeficiency and systemic alterations, including skeletal abnormalities. We report that ADA deficiency in mice causes a specific bone phenotype characterized by alterations of structural properties and impaired mechanical competence. These alterations are the combined result of an imbalanced receptor activator of nuclear factor-kappaB ligand (RANKL)/osteoprotegerin axis, causing decreased osteoclastogenesis and an intrinsic defect of osteoblast function with subsequent low bone formation. In vitro, osteoblasts lacking ADA displayed an altered transcriptional profile and growth reduction. Furthermore, the bone marrow microenvironment of ADA-deficient mice showed a reduced capacity to support in vitro and in vivo hematopoiesis. Treatment of ADA-deficient neonatal mice with enzyme replacement therapy, bone marrow transplantation, or gene therapy resulted in full recovery of the altered bone parameters. Remarkably, untreated ADA-severe combined immunodeficiency patients showed a similar imbalance in RANKL/osteoprotegerin levels alongside severe growth retardation. Gene therapy with ADA-transduced hematopoietic stem cells increased serum RANKL levels and children's growth. Our results indicate that the ADA metabolism represents a crucial modulatory factor of bone cell activities and remodeling.
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titleADA-deficient SCID is associated with a specific microenvironment and bone phenotype characterized by RANKL/OPG imbalance and osteoblast insufficiency.
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