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- Jester, S. (author)
Haploidentical stem cell transplantation in two children with mucopolysaccharidosis VI: clinical and biochemical outcome
- Article/chapterEnglish2013
Publisher, publication year, extent ...
- 2013-09-05
- Springer Science and Business Media LLC,2013
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- LIBRIS-ID:oai:gup.ub.gu.se/184630
- https://gup.ub.gu.se/publication/184630URI
- https://doi.org/10.1186/1750-1172-8-134DOI
- https://lup.lub.lu.se/record/4061438URI
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- Language:English
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- Background: Mucopolysaccharidosis VI (MPS VI) is an autosomal recessive progressive multiorgan disorder due to mutation in the gene encoding the enzyme Arylsulfatase B (ARSB). Dysfunctional ARSB causes lysosomal accumulation of glycosaminoglycans (GAG). Currently, enzyme replacement therapy (ERT) is preferred to hematopoietic stem cell transplantation (SCT) due to the treatment-related risks of the latter. However, ERT constitutes an expensive life-long treatment. Increased experience and safety of SCT-procedures in recent years suggest that SCT should be further explored as a treatment option. This is the first report on haploidentical SCT in patients with MPS VI. The primary objective was to assess the treatment safety and clinical and biochemical outcome. Patients and methods: Two siblings diagnosed with MPS VI at 10 months of age and at birth with genotype p. C192R, reported as mild to intermediate phenotype, underwent unrelated umbilical cord blood transplantation pre-symptomatic. Due to graft failure, both patients were urgently re-transplantated with haploidentical SCT with the father as donor. Continuous clinical and biochemical status was monitored and concluded 3.8 and 4.6 years after the haploidentical SCT. Results: Haploidentical SCT resulted in prompt and sustained engraftment. Complete donor chimerism was achieved in both patients, apart from mixed B cells chimerism in patient 2. ARSB activity in leukocytes post transplant increased from 0.0 to 19.0 mu kat/kg protein (patient 1) and from 3.6 to 17.9 mu kat/kg protein (patient 2) (ref. 17-40). Total urinary GAG normalized in both patients, although patient 2's values slightly exceed normal range since 6 months. However, dermatan sulfaturia was substantially normalized since 16 months and 12 months post-SCT, respectively. Height was -1.85 SD and -1.27 SD at follow-up. Patient 1 had impaired visual acuity and discrete hepatomegaly. Patient 2 had elevated intraocular pressure and X-ray revealed steep acetabular angles and slightly flattened lumbar vertebrae. Conclusion: This study demonstrates that young children with MPS VI tolerate haploidentical SCT. Normalization of enzyme production and dermatan sulfaturia indicates correction of the inborn error of metabolism and coincide with no obvious symptoms of progressive MPS VI up to 4.6 years post-SCT.
Subject headings and genre
- MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin hsv//swe
- MEDICAL AND HEALTH SCIENCES Clinical Medicine hsv//eng
- MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Pediatrik hsv//swe
- MEDICAL AND HEALTH SCIENCES Clinical Medicine Pediatrics hsv//eng
- Mucopolysaccharidosis VI
- Haploidentical stem cell transplantation
- Clinical outcome
- MAROTEAUX-LAMY-SYNDROME
- BONE-MARROW-TRANSPLANTATION
- ARYLSULFATASE-B
- WALK TEST
- GUIDELINES
- THERAPY
- ADULTS
- BLOOD
- GENE
Added entries (persons, corporate bodies, meetings, titles ...)
- Månsson, Jan-Eric,1946Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology(Swepub:gu)xmanja (author)
- Eklund, E. A. (author)
- Papadopoulou, D. (author)
- Månsson, Jan-Eric,1946Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology(Swepub:gu)xmanja (author)
- Békássy, AlbertLund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)al4445be (author)
- Turkiewicz, D. (author)
- Toporski, JacekLund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)stem-jto (author)
- Øra, IngridLund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)molm-ior (author)
- Göteborgs universitetInstitutionen för neurovetenskap och fysiologi (creator_code:org_t)
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