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Shwachman- Diamond syndrome

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https://www.readbyqxmd.com/read/28346418/first-experience-of-hematopoietic-stem-cell-transplantation-treatment-of-shwachman-diamond-syndrome-using-unaffected-hla-matched-sibling-donor-produced-through-preimplantation-hla-typing
#1
A A Isaev, R V Deev, A Kuliev, I L Plaxa, N V Stancheva, A S Borovkova, I V Potapov, E A Pomerantseva, A G Chogovadze, K Y Boyarsky, A E Semenenko, A V Mikhailov, K G Shevchenko, A V Prikhodko, S Rechitsky, O V Paina, I M Barchatov, L S Zubarovskaya, O Verlinsky, I Y Bozo, B V Afanasyev
The only proven cure for Shwachman-Diamond syndrome (SDS) bone marrow failure is allogeneic hematopoietic stem cell transplantation (HSCT). However HSCT with donors other than HLA-identical siblings is associated with high mortality and unfavorable prognosis. This paper presents the first experience of HSCT treatment of SDS using an unaffected HLA-identical sibling produced through preimplantation genetic diagnosis (PGD). The patient was a 6-year-old blood transfusion-dependent SDS baby girl with secondary myelodysplastic syndrome, for whom no HLA-identical donor was available...
March 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28331068/mutations-in-efl1-an-sbds-partner-are-associated-with-infantile-pancytopenia-exocrine-pancreatic-insufficiency-and-skeletal-anomalies-in-a-shwachman-diamond-like-syndrome
#2
Polina Stepensky, Montserrat Chacón-Flores, Katherine H Kim, Omar Abuzaitoun, Arnulfo Bautista-Santos, Natalia Simanovsky, Dritan Siliqi, Davide Altamura, Alfonso Méndez-Godoy, Abril Gijsbers, Adeeb Naser Eddin, Talia Dor, Joel Charrow, Nuria Sánchez-Puig, Orly Elpeleg
BACKGROUND: For the final step of the maturation of the ribosome, the nascent 40S and 60S subunits are exported from the nucleus to the cell cytoplasm. To prevent premature association of these ribosomal subunits, eukaryotic initiation factor 6 (eIF6) binds the 60S subunit within the nucleus. Its release in the cytoplasm requires the interaction of EFL1 and SDBS proteins. In Shwachman-Diamond syndrome (SDS), a defective SDBS protein prevents eIF6 eviction, inhibiting its recycle to the nucleus and subsequent formation of the active 80S ribosome...
March 22, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28211564/the-genomics-of-inherited-bone-marrow-failure-from-mechanism-to-the-clinic
#3
REVIEW
Talia Wegman-Ostrosky, Sharon A Savage
The inherited bone marrow failure syndromes (IBMFS) typically present with significant cytopenias in at least one haematopoietic cell lineage that may progress to pancytopenia, and are associated with increased risk of cancer. Although the clinical features of the IBMFS are often diagnostic, variable disease penetrance and expressivity may result in diagnostic dilemmas. The discovery of the genetic aetiology of the IBMFS has been greatly facilitated by next-generation sequencing methods. This has advanced understanding of the underlying biology of the IBMFS and been essential in improving clinical management and genetic counselling for affected patients...
February 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28177873/prognostic-mutations-in-myelodysplastic-syndrome-after-stem-cell-transplantation
#4
R Coleman Lindsley, Wael Saber, Brenton G Mar, Robert Redd, Tao Wang, Michael D Haagenson, Peter V Grauman, Zhen-Huan Hu, Stephen R Spellman, Stephanie J Lee, Michael R Verneris, Katharine Hsu, Katharina Fleischhauer, Corey Cutler, Joseph H Antin, Donna Neuberg, Benjamin L Ebert
Background Genetic mutations drive the pathogenesis of the myelodysplastic syndrome (MDS) and are closely associated with clinical phenotype. Therefore, genetic mutations may predict clinical outcomes after allogeneic hematopoietic stem-cell transplantation. Methods We performed targeted mutational analysis on samples obtained before transplantation from 1514 patients with MDS who were enrolled in the Center for International Blood and Marrow Transplant Research Repository between 2005 and 2014. We evaluated the association of mutations with transplantation outcomes, including overall survival, relapse, and death without relapse...
February 9, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28130858/novel-recurrent-chromosome-anomalies-in-shwachman-diamond-syndrome
#5
Roberto Valli, Elena De Paoli, Lucia Nacci, Annalisa Frattini, Francesco Pasquali, Emanuela Maserati
BACKGROUND: Two chromosome anomalies are frequent in the bone marrow (BM) of patients with Shwachman-Diamond syndrome (SDS): an isochromosome of the long arm of chromosome 7, i(7)(q10), and an interstitial deletion of the long arm of chromosome 20, del(20)(q). These anomalies are associated with a lower risk of developing myelodysplasia (MDS) and/or acute myeloid leukemia. The chromosome anomalies may be due to an SDS-specific karyotype instability, reflected also by anomalies that are not clonal, but found in single cells in the BM or in peripheral blood (PB)...
January 28, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28062395/biallelic-mutations-in-dnajc21-cause-shwachman-diamond-syndrome
#6
Santhosh Dhanraj, Anna Matveev, Hongbing Li, Supanun Lauhasurayotin, Lawrence Jardine, Michaela Cada, Bozana Zlateska, Chetankumar S Tailor, Joseph Zhou, Roberto Mendoza-Londono, Ajoy Vincent, Peter R Durie, Stephen W Scherer, Johanna M Rommens, Elise Heon, Yigal Dror
No abstract text is available yet for this article.
January 6, 2017: Blood
https://www.readbyqxmd.com/read/28056084/sbds-deficient-cells-have-an-altered-homeostatic-equilibrium-due-to-translational-inefficiency-which-explains-their-reduced-fitness-and-provides-a-logical-framework-for-intervention
#7
Piera Calamita, Annarita Miluzio, Arianna Russo, Elisa Pesce, Sara Ricciardi, Farhat Khanim, Cristina Cheroni, Roberta Alfieri, Marilena Mancino, Chiara Gorrini, Grazisa Rossetti, Ivana Peluso, Massimiliano Pagani, Diego L Medina, Johanna Rommens, Stefano Biffo
Ribosomopathies are a family of inherited disorders caused by mutations in genes necessary for ribosomal function. Shwachman-Diamond Bodian Syndrome (SDS) is an autosomal recessive disease caused, in most patients, by mutations of the SBDS gene. SBDS is a protein required for the maturation of 60S ribosomes. SDS patients present exocrine pancreatic insufficiency, neutropenia, chronic infections, and skeletal abnormalities. Later in life, patients are prone to myelodisplastic syndrome and acute myeloid leukemia (AML)...
January 2017: PLoS Genetics
https://www.readbyqxmd.com/read/27805607/fluorescence-anisotropy-as-a-tool-to-study-protein-protein-interactions
#8
Abril Gijsbers, Takuya Nishigaki, Nuria Sánchez-Puig
Protein-protein interactions play an essential role in the function of a living organism. Once an interaction has been identified and validated it is necessary to characterize it at the structural and mechanistic level. Several biochemical and biophysical methods exist for such purpose. Among them, fluorescence anisotropy is a powerful technique particularly used when the fluorescence intensity of a fluorophore-labeled protein remains constant upon protein-protein interaction. In this technique, a fluorophore-labeled protein is excited with vertically polarized light of an appropriate wavelength that selectively excites a subset of the fluorophores according to their relative orientation with the incoming beam...
October 21, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27754968/a-unique-case-of-shwachman-diamond-syndrome-presenting-with-congenital-hypopituitarism
#9
Nurin Jivani, Carmen Torrado-Jule, Sarah Vaiselbuh, Eleny Romanos-Sirakis
Shwachman-Diamond syndrome (SDS) is an autosomal recessive bone marrow failure syndrome typically characterized by neutropenia and pancreatic dysfunction, although phenotypic presentations vary, and the endocrine phenotype is not well-described. We report a unique case of a patient with SDS who initially presented with hypoglycemia and micropenis in the newborn period and was diagnosed with congenital hypopituitarism. We are not aware of any other cases of SDS documented with this combination of complex endocrinopathies...
November 1, 2016: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/27679730/is-a-fatty-pancreas-a-banal-lesion
#10
REVIEW
Andrzej Smereczyński, Katarzyna Kołaczyk
So far, a fatty pancreas has been related to obesity and the ageing processes in the body. The current list of pathogenetic factors of the condition is clearly extended with genetically conditioned diseases (cystic fibrosis, Shwachman-Diamond syndrome and Johanson-Blizzard syndrome), pancreatitis, especially hereditary and obstructive, metabolic and hormonal disorders (hypertriglyceridemia, hypercholesterolemia, hyperinsulinemia and hypercortisolemia), alcohol overuse, taking some medicines (especially adrenal cortex hormones), disease of the liver and visceral adiposis...
September 2016: Journal of Ultrasonography
https://www.readbyqxmd.com/read/27666011/mesenchymal-inflammation-drives-genotoxic-stress-in-hematopoietic-stem-cells-and-predicts-disease-evolution-in-human-pre-leukemia
#11
Noemi A Zambetti, Zhen Ping, Si Chen, Keane J G Kenswil, Maria A Mylona, Mathijs A Sanders, Remco M Hoogenboezem, Eric M J Bindels, Maria N Adisty, Paulina M H Van Strien, Cindy S van der Leije, Theresia M Westers, Eline M P Cremers, Chiara Milanese, Pier G Mastroberardino, Johannes P T M van Leeuwen, Bram C J van der Eerden, Ivo P Touw, Taco W Kuijpers, Roland Kanaar, Arjan A van de Loosdrecht, Thomas Vogl, Marc H G P Raaijmakers
Mesenchymal niche cells may drive tissue failure and malignant transformation in the hematopoietic system, but the underlying molecular mechanisms and relevance to human disease remain poorly defined. Here, we show that perturbation of mesenchymal cells in a mouse model of the pre-leukemic disorder Shwachman-Diamond syndrome (SDS) induces mitochondrial dysfunction, oxidative stress, and activation of DNA damage responses in hematopoietic stem and progenitor cells. Massive parallel RNA sequencing of highly purified mesenchymal cells in the SDS mouse model and a range of human pre-leukemic syndromes identified p53-S100A8/9-TLR inflammatory signaling as a common driving mechanism of genotoxic stress...
November 3, 2016: Cell Stem Cell
https://www.readbyqxmd.com/read/27658964/new-insights-into-the-shwachman-diamond-syndrome-related-haematological-disorder-hyper-activation-of-mtor-and-stat3-in-leukocytes
#12
Valentino Bezzerri, Antonio Vella, Elisa Calcaterra, Alessia Finotti, Jessica Gasparello, Roberto Gambari, Baroukh Maurice Assael, Marco Cipolli, Claudio Sorio
Shwachman-Diamond syndrome (SDS) is an inherited disease caused by mutations of a gene encoding for SBDS protein. So far little is known about SBDS exact function. SDS patients present several hematological disorders, including neutropenia and myelodysplastic syndrome (MDS), with increased risk of leukemic evolution. So far, the molecular mechanisms that underlie neutropenia, MDS and AML in SDS patients have been poorly investigated. STAT3 is a key regulator of several cellular processes including survival, differentiation and malignant transformation...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27617157/thoracic-hypoplasia-at-birth-as-presenting-feature-of-shwachman-diamond-syndrome-in-twins
#13
Letizia Capasso, Angela Carla Borrelli, Julia Cerullo, Maria Rosaria Pirozzi, Francesco Raimondi
Shwachman-Diamond syndrome (SDS) is a rare autosomal recessive disorder of marrow failure syndrome and exocrine pancreatic dysfunction with an estimated incidence of 1/76,000. When present, characteristic skeletal abnormalities are strongly suggestive of SDS but most often they are seen during childhood and adolescence. We present a case of preterm twins with prenatal diagnosis of thoracic hypoplasia and a clinical evolution that lead to an early diagnosis of SDS. This report highlights the importance of a high index of suspicion for SDS in case of neonatal thoracic hypoplasia...
September 2016: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/27553422/parental-origin-of-the-deletion-del-20q-in-shwachman-diamond-patients-and-loss-of-the-paternally-derived-allele-of-the-imprinted-l3mbtl1-gene
#14
Lucia Nacci, Roberto Valli, Rita Maria Pinto, Marco Zecca, Marco Cipolli, Jacopo Morini, Simone Cesaro, Emanuela Boveri, Vittorio Rosti, Paola Corti, Maura Ambroni, Francesco Pasquali, Cesare Danesino, Emanuela Maserati, Antonella Minelli
Shwachman-Diamond syndrome (SDS) (OMIM 260400) is a rare autosomal recessive disease characterized by exocrine pancreatic insufficiency, skeletal, and hematological abnormalities and bone marrow (BM) dysfunction. Mutations in the SBDS gene cause SDS. Clonal chromosome anomalies are often present in BM, i(7)(q10) and del(20q) being the most frequent ones. We collected 6 SDS cases with del(20q): a cluster of imprinted genes, including L3MBTL1 and SGK2 is present in the deleted region. Only the paternal allele is expressed for these genes...
January 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/27498735/recent-advances-in-inherited-bone-marrow-failure-syndrome-research
#15
Etsuro Ito, Tsutomu Toki, Kiminori Terui
Inherited bone marrow failure syndromes (IBMFS) are a heterogeneous group of genetic disorders characterized by bone marrow failure, congenital anomalies, and an increased risk of malignancies. Diagnosis is often difficult due to the wide variety of clinical expressions. The representative diseases are Diamond Blackfan anemia (DBA), Fanconi anemia (FA), congenital sideroblastic anemia (CSA), congenital dyserhthropoietic anemia, Shwachman Diamond syndrome, and dyskeratosis congenita. Next-generation sequencing technologies have facilitated the discovery of germline mutations that cause IBMFS...
July 2016: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/27428025/otologic-manifestations-of-fanconi-anemia-and-other-inherited-bone-marrow-failure-syndromes
#16
Adedoyin Kalejaiye, Neelam Giri, Carmen C Brewer, Christopher K Zalewski, Kelly A King, Charleen D Adams, Philip S Rosenberg, H Jeffrey Kim, Blanche P Alter
BACKGROUND: The inherited bone marrow failure syndromes (IBMFSs) are diverse disorders with syndrome-specific features; their otologic and audiologic manifestations have not been well described. Our objective was to characterize these in patients with Fanconi anemia (FA), dyskeratosis congenita (DC), Diamond-Blackfan anemia (DBA), and Shwachman-Diamond syndrome (SDS), and to determine the association between physical findings and hearing loss. METHODS: Patients with an IBMFS underwent comprehensive clinical and laboratory evaluations and testing for syndrome-specific gene mutations...
July 18, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27248996/hereditary-predispositions-to-myelodysplastic-syndrome
#17
REVIEW
Sarah A Bannon, Courtney D DiNardo
Myelodysplastic syndromes (MDS) are heterogeneous clonal hematopoietic disorders characterized by ineffective hematopoiesis, bone marrow dysplasia, and peripheral cytopenias. Familial forms of MDS have traditionally been considered rare, especially in adults; however, the increasing availability of somatic and germline genetic analyses has identified multiple susceptibility loci. Bone marrow failure syndromes have been well-described in the pediatric setting, e.g., Fanconi anemia (FA), dyskeratosis congenita (DC), Diamond-Blackfan anemia (DBA), and Shwachman-Diamond syndrome (SBS), hallmarked by clinically-recognizable phenotypes (e...
May 30, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27146429/evaluation-of-energy-metabolism-and-calcium-homeostasis-in-cells-affected-by-shwachman-diamond-syndrome
#18
Silvia Ravera, Carlo Dufour, Simone Cesaro, Roberta Bottega, Michela Faleschini, Paola Cuccarolo, Fabio Corsolini, Cesare Usai, Marta Columbaro, Marco Cipolli, Anna Savoia, Paolo Degan, Enrico Cappelli
Isomorphic mutation of the SBDS gene causes Shwachman-Diamond syndrome (SDS). SDS is a rare genetic bone marrow failure and cancer predisposition syndrome. SDS cells have ribosome biogenesis and their protein synthesis altered, which are two high-energy consuming cellular processes. The reported changes in reactive oxygen species production, endoplasmic reticulum stress response and reduced mitochondrial functionality suggest an energy production defect in SDS cells. In our work, we have demonstrated that SDS cells display a Complex IV activity impairment, which causes an oxidative phosphorylation metabolism defect, with a consequent decrease in ATP production...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27127007/shwachman-diamond-syndrome-presenting-with-early-ichthyosis-associated-dermal-and-epidermal-intracellular-lipid-droplets-hypoglycemia-and-later-distinctive-clinical-sds-phenotype
#19
Emmanuel Scalais, Anne-Catherine Connerotte, Karine Despontin, Armand Biver, Chantal Ceuterick-de Groote, Marielle Alders, Athanassios Kolivras, Jean-Pierre Hachem, Linda De Meirleir
Shwachman-Diamond syndrome (SDS) is a recessive ribosomopathy, characterized by bone marrow failure and exocrine pancreatic insufficiency (ePI) often associated with neurodevelopmental and skeletal abnormalities. The aim of this report is to describe a SDS patient with early ichthyosis associated with dermal and epidermal intracellular lipid droplets (iLDs), hypoglycemia and later a distinctive clinical SDS phenotype. At 3 months of age, she had ichthyosis, growth retardation, and failure to thrive. She had not cytopenia...
July 2016: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/26866830/novel-myopathy-in-a-newborn-with-shwachman-diamond-syndrome-and-review-of-neonatal-presentation
#20
Alexandra Topa, Mar Tulinius, Anders Oldfors, Carola Hedberg-Oldfors
Shwachman-Diamond-Bodian syndrome (SDS) is a pleiotropic disorder in which the main features are bone marrow dysfunction and pancreatic insufficiency. Skeletal changes can occur, and in rare cases manifest as severe congenital thoracic dystrophy. We report a newborn boy with asphyxia, narrow thorax, and severe hypotonia initially suggesting a neuromuscular disease. The muscle biopsy showed myopathic changes with prominent variability in muscle fiber size and abnormal expression of developmental isoforms of myosin...
May 2016: American Journal of Medical Genetics. Part A
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