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Reticular dysgenesis: international survey on clinical presentation, transplantation, and outcome

Reticular dysgenesis (RD) is a rare congenital disorder defined clinically by the combination of severe combined immunodeficiency (SCID), agranulocytosis, and sensorineural deafness. Mutations in the gene encoding adenylate kinase 2 were identified to cause the disorder. Hematopoietic stem cell tran...

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Published in:Blood 2017-05, Vol.129 (21), p.2928-2938
Main Authors: Hoenig, Manfred, Lagresle-Peyrou, Chantal, Pannicke, Ulrich, Notarangelo, Luigi D., Porta, Fulvio, Gennery, Andrew R., Slatter, Mary, Cowan, Morton J., Stepensky, Polina, Al-Mousa, Hamoud, Al-Zahrani, Daifulah, Pai, Sung-Yun, Al Herz, Waleed, Gaspar, Hubert B., Veys, Paul, Oshima, Koichi, Imai, Kohsuke, Yabe, Hiromasa, Noroski, Lenora M., Wulffraat, Nico M., Sykora, Karl-Walter, Soler-Palacin, Pere, Muramatsu, Hideki, Al Hilali, Mariam, Moshous, Despina, Debatin, Klaus-Michael, Schuetz, Catharina, Jacobsen, Eva-Maria, Schulz, Ansgar S., Schwarz, Klaus, Fischer, Alain, Friedrich, Wilhelm, Cavazzana, Marina
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container_title Blood
container_volume 129
creator Hoenig, Manfred
Lagresle-Peyrou, Chantal
Pannicke, Ulrich
Notarangelo, Luigi D.
Porta, Fulvio
Gennery, Andrew R.
Slatter, Mary
Cowan, Morton J.
Stepensky, Polina
Al-Mousa, Hamoud
Al-Zahrani, Daifulah
Pai, Sung-Yun
Al Herz, Waleed
Gaspar, Hubert B.
Veys, Paul
Oshima, Koichi
Imai, Kohsuke
Yabe, Hiromasa
Noroski, Lenora M.
Wulffraat, Nico M.
Sykora, Karl-Walter
Soler-Palacin, Pere
Muramatsu, Hideki
Al Hilali, Mariam
Moshous, Despina
Debatin, Klaus-Michael
Schuetz, Catharina
Jacobsen, Eva-Maria
Schulz, Ansgar S.
Schwarz, Klaus
Fischer, Alain
Friedrich, Wilhelm
Cavazzana, Marina
description Reticular dysgenesis (RD) is a rare congenital disorder defined clinically by the combination of severe combined immunodeficiency (SCID), agranulocytosis, and sensorineural deafness. Mutations in the gene encoding adenylate kinase 2 were identified to cause the disorder. Hematopoietic stem cell transplantation (HSCT) is the only option to cure this otherwise fatal disease. Retrospective data on clinical presentation, genetics, and outcome of HSCT were collected from centers in Europe, Asia, and North America for a total of 32 patients born between 1982 and 2011. Age at presentation was
doi_str_mv 10.1182/blood-2016-11-745638
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Mutations in the gene encoding adenylate kinase 2 were identified to cause the disorder. Hematopoietic stem cell transplantation (HSCT) is the only option to cure this otherwise fatal disease. Retrospective data on clinical presentation, genetics, and outcome of HSCT were collected from centers in Europe, Asia, and North America for a total of 32 patients born between 1982 and 2011. Age at presentation was &lt;4 weeks in 30 of 32 patients (94%). Grafts originated from mismatched family donors in 17 patients (55%), from matched family donors in 6 patients (19%), and from unrelated marrow or umbilical cord blood donors in 8 patients (26%). Thirteen patients received secondary or tertiary transplants. After transplantation, 21 of 31 patients were reported alive at a mean follow-up of 7.9 years (range: 0.6-23.6 years). All patients who died beyond 6 months after HSCT had persistent or recurrent agranulocytosis due to failure of donor myeloid engraftment. In the absence of conditioning, HSCT was ineffective to overcome agranulocytosis, and inclusion of myeloablative components in the conditioning regimens was required to achieve stable lymphomyeloid engraftment. In comparison with other SCID entities, considerable differences were noted regarding age at presentation, onset, and type of infectious complications, as well as the requirement of conditioning prior to HSCT. Although long-term survival is possible in the presence of mixed chimerism, high-level donor myeloid engraftment should be targeted to avoid posttransplant neutropenia. •Compared with other SCID entities, patients with RD have an earlier presentation with bacterial rather than opportunistic infections.•Myeloablative agents before transplantation support reliable myeloid engraftment and long-term cure in patients with RD.</description><identifier>ISSN: 0006-4971</identifier><identifier>EISSN: 1528-0020</identifier><identifier>DOI: 10.1182/blood-2016-11-745638</identifier><identifier>PMID: 28331055</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Adenylyl Cyclases - genetics ; Adenylyl Cyclases - metabolism ; Adolescent ; Adult ; Age of Onset ; Allografts ; Child ; Cord Blood Stem Cell Transplantation ; Disease-Free Survival ; Female ; Hematopoietic Stem Cell Transplantation ; Humans ; Leukopenia - enzymology ; Leukopenia - genetics ; Leukopenia - mortality ; Leukopenia - therapy ; Male ; Severe Combined Immunodeficiency - enzymology ; Severe Combined Immunodeficiency - genetics ; Severe Combined Immunodeficiency - mortality ; Severe Combined Immunodeficiency - therapy ; Survival Rate ; Transplantation ; Transplantation Conditioning ; Unrelated Donors</subject><ispartof>Blood, 2017-05, Vol.129 (21), p.2928-2938</ispartof><rights>2017 American Society of Hematology</rights><rights>2017 by The American Society of Hematology.</rights><rights>2017 by The American Society of Hematology 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c529t-51c3f40e7f8ecbd768f72f4c8dff1b7e1ebb2b11411f06e0213c8050f89bcfd03</citedby><cites>FETCH-LOGICAL-c529t-51c3f40e7f8ecbd768f72f4c8dff1b7e1ebb2b11411f06e0213c8050f89bcfd03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0006497120333644$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>230,314,780,784,885,3549,27924,27925,45780</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28331055$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hoenig, Manfred</creatorcontrib><creatorcontrib>Lagresle-Peyrou, Chantal</creatorcontrib><creatorcontrib>Pannicke, Ulrich</creatorcontrib><creatorcontrib>Notarangelo, Luigi D.</creatorcontrib><creatorcontrib>Porta, Fulvio</creatorcontrib><creatorcontrib>Gennery, Andrew R.</creatorcontrib><creatorcontrib>Slatter, Mary</creatorcontrib><creatorcontrib>Cowan, Morton J.</creatorcontrib><creatorcontrib>Stepensky, Polina</creatorcontrib><creatorcontrib>Al-Mousa, Hamoud</creatorcontrib><creatorcontrib>Al-Zahrani, Daifulah</creatorcontrib><creatorcontrib>Pai, Sung-Yun</creatorcontrib><creatorcontrib>Al Herz, Waleed</creatorcontrib><creatorcontrib>Gaspar, Hubert B.</creatorcontrib><creatorcontrib>Veys, Paul</creatorcontrib><creatorcontrib>Oshima, Koichi</creatorcontrib><creatorcontrib>Imai, Kohsuke</creatorcontrib><creatorcontrib>Yabe, Hiromasa</creatorcontrib><creatorcontrib>Noroski, Lenora M.</creatorcontrib><creatorcontrib>Wulffraat, Nico M.</creatorcontrib><creatorcontrib>Sykora, Karl-Walter</creatorcontrib><creatorcontrib>Soler-Palacin, Pere</creatorcontrib><creatorcontrib>Muramatsu, Hideki</creatorcontrib><creatorcontrib>Al Hilali, Mariam</creatorcontrib><creatorcontrib>Moshous, Despina</creatorcontrib><creatorcontrib>Debatin, Klaus-Michael</creatorcontrib><creatorcontrib>Schuetz, Catharina</creatorcontrib><creatorcontrib>Jacobsen, Eva-Maria</creatorcontrib><creatorcontrib>Schulz, Ansgar S.</creatorcontrib><creatorcontrib>Schwarz, Klaus</creatorcontrib><creatorcontrib>Fischer, Alain</creatorcontrib><creatorcontrib>Friedrich, Wilhelm</creatorcontrib><creatorcontrib>Cavazzana, Marina</creatorcontrib><creatorcontrib>European Society for Blood and Marrow Transplantation (EBMT) Inborn Errors Working Party</creatorcontrib><title>Reticular dysgenesis: international survey on clinical presentation, transplantation, and outcome</title><title>Blood</title><addtitle>Blood</addtitle><description>Reticular dysgenesis (RD) is a rare congenital disorder defined clinically by the combination of severe combined immunodeficiency (SCID), agranulocytosis, and sensorineural deafness. Mutations in the gene encoding adenylate kinase 2 were identified to cause the disorder. Hematopoietic stem cell transplantation (HSCT) is the only option to cure this otherwise fatal disease. Retrospective data on clinical presentation, genetics, and outcome of HSCT were collected from centers in Europe, Asia, and North America for a total of 32 patients born between 1982 and 2011. Age at presentation was &lt;4 weeks in 30 of 32 patients (94%). Grafts originated from mismatched family donors in 17 patients (55%), from matched family donors in 6 patients (19%), and from unrelated marrow or umbilical cord blood donors in 8 patients (26%). Thirteen patients received secondary or tertiary transplants. After transplantation, 21 of 31 patients were reported alive at a mean follow-up of 7.9 years (range: 0.6-23.6 years). All patients who died beyond 6 months after HSCT had persistent or recurrent agranulocytosis due to failure of donor myeloid engraftment. In the absence of conditioning, HSCT was ineffective to overcome agranulocytosis, and inclusion of myeloablative components in the conditioning regimens was required to achieve stable lymphomyeloid engraftment. In comparison with other SCID entities, considerable differences were noted regarding age at presentation, onset, and type of infectious complications, as well as the requirement of conditioning prior to HSCT. Although long-term survival is possible in the presence of mixed chimerism, high-level donor myeloid engraftment should be targeted to avoid posttransplant neutropenia. •Compared with other SCID entities, patients with RD have an earlier presentation with bacterial rather than opportunistic infections.•Myeloablative agents before transplantation support reliable myeloid engraftment and long-term cure in patients with RD.</description><subject>Adenylyl Cyclases - genetics</subject><subject>Adenylyl Cyclases - metabolism</subject><subject>Adolescent</subject><subject>Adult</subject><subject>Age of Onset</subject><subject>Allografts</subject><subject>Child</subject><subject>Cord Blood Stem Cell Transplantation</subject><subject>Disease-Free Survival</subject><subject>Female</subject><subject>Hematopoietic Stem Cell Transplantation</subject><subject>Humans</subject><subject>Leukopenia - enzymology</subject><subject>Leukopenia - genetics</subject><subject>Leukopenia - mortality</subject><subject>Leukopenia - 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Mutations in the gene encoding adenylate kinase 2 were identified to cause the disorder. Hematopoietic stem cell transplantation (HSCT) is the only option to cure this otherwise fatal disease. Retrospective data on clinical presentation, genetics, and outcome of HSCT were collected from centers in Europe, Asia, and North America for a total of 32 patients born between 1982 and 2011. Age at presentation was &lt;4 weeks in 30 of 32 patients (94%). Grafts originated from mismatched family donors in 17 patients (55%), from matched family donors in 6 patients (19%), and from unrelated marrow or umbilical cord blood donors in 8 patients (26%). Thirteen patients received secondary or tertiary transplants. After transplantation, 21 of 31 patients were reported alive at a mean follow-up of 7.9 years (range: 0.6-23.6 years). All patients who died beyond 6 months after HSCT had persistent or recurrent agranulocytosis due to failure of donor myeloid engraftment. In the absence of conditioning, HSCT was ineffective to overcome agranulocytosis, and inclusion of myeloablative components in the conditioning regimens was required to achieve stable lymphomyeloid engraftment. In comparison with other SCID entities, considerable differences were noted regarding age at presentation, onset, and type of infectious complications, as well as the requirement of conditioning prior to HSCT. Although long-term survival is possible in the presence of mixed chimerism, high-level donor myeloid engraftment should be targeted to avoid posttransplant neutropenia. •Compared with other SCID entities, patients with RD have an earlier presentation with bacterial rather than opportunistic infections.•Myeloablative agents before transplantation support reliable myeloid engraftment and long-term cure in patients with RD.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>28331055</pmid><doi>10.1182/blood-2016-11-745638</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record>
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identifier ISSN: 0006-4971
ispartof Blood, 2017-05, Vol.129 (21), p.2928-2938
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source Elsevier ScienceDirect Journals
subjects Adenylyl Cyclases - genetics
Adenylyl Cyclases - metabolism
Adolescent
Adult
Age of Onset
Allografts
Child
Cord Blood Stem Cell Transplantation
Disease-Free Survival
Female
Hematopoietic Stem Cell Transplantation
Humans
Leukopenia - enzymology
Leukopenia - genetics
Leukopenia - mortality
Leukopenia - therapy
Male
Severe Combined Immunodeficiency - enzymology
Severe Combined Immunodeficiency - genetics
Severe Combined Immunodeficiency - mortality
Severe Combined Immunodeficiency - therapy
Survival Rate
Transplantation
Transplantation Conditioning
Unrelated Donors
title Reticular dysgenesis: international survey on clinical presentation, transplantation, and outcome
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