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https://www.readbyqxmd.com/read/28685844/genetic-characterization-of-gsd-i-in-serbian-population-revealed-unexpectedly-high-incidence-of-gsd-ib-and-three-novel-slc37a4-variants
#1
Anita Skakic, Maja Djordjevic, Adrijan Sarajlija, Kristel Klaassen, Natasa Tosic, Bozica Kecman, Milena Ugrin, Vesna Spasovski, Sonja Pavlovic, Maja Stojiljkovic
Glycogen storage disease (GSD) type I is inborn metabolic disease characterized by accumulation of glycogen in multiple organs. We analyzed 38 patients with clinical suspicion of GSD I using Sanger and next-generation sequencing (NGS). We identified 28 GSD Ib and five Ia patients. In five patients, GSD III, VI, IX, cholesteryl-ester storage disease and Shwachman-Diamond syndrome diagnoses were set using NGS. Incidences for GSD Ia and GSD Ib were estimated at 1:172746 and 1:60461 live-births respectively. Two variants were identified in G6PC gene: c...
July 7, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28684451/dysplastic-neutrophils-in-the-bone-marrow-of-a-shwachman-diamond-syndrome-patient
#2
Jean-François Lesesve, Julien Broséus
No abstract text is available yet for this article.
July 6, 2017: Blood
https://www.readbyqxmd.com/read/28637614/classical-inherited-bone-marrow-failure-syndromes-with-high-risk-for-myelodysplastic-syndrome-and-acute-myelogenous-leukemia
#3
REVIEW
Sharon A Savage, Carlo Dufour
The inherited marrow failure syndromes (IBMFS) are a heterogeneous group of diseases characterized by failure in the production of one or more blood lineage. The clinical manifestations of the IBMFS vary according to the type and number of blood cell lines involved, including different combinations of anemia, leukopenia, and thrombocytopenia. In some IBMFS, systemic non-hematologic manifestations, including congenital malformations, mucocutaneous abnormalities, developmental delay, and other medical complications, may be present...
April 2017: Seminars in Hematology
https://www.readbyqxmd.com/read/28602958/allogeneic-hematopoietic-cell-transplantation-using-treosulfan-based-conditioning-for-treatment-of-marrow-failure-disorders
#4
Lauri M Burroughs, Akiko Shimamura, Julie-An Talano, Jennifer Domm, Kelsey Baker, Colleen Delaney, Haydar Frangoul, David Margolis, K Scott Baker, Amy Geddis, Brenda M Sandmaier, H Joachim Deeg, Rainer Storb, Ann E Woolfrey
Hematopoietic cell transplantation (HCT) is effective in the treatment of inherited marrow failure disorders and other nonmalignant diseases. Conventional myeloablative conditioning regimens have been associated with high transplant-related mortality, particularly in patients with comorbid conditions. Here we report on 14 patients with marrow failure disorders (Shwachman-Diamond syndrome, n = 3; Diamond Blackfan anemia, n = 4; GATA2 deficiency, n = 2; paroxysmal nocturnal hemoglobinuria, n = 4; and an undefined marrow failure disorder, n = 1) who underwent HCT on a prospective, phase II, multicenter clinical trial...
June 7, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28588803/syndrome-of-progressive-bone-marrow-failure-and-pancreatic-insufficiency-remains-cryptic-despite-whole-exome-sequencing-variant-of-shwachman-diamond-syndrome-or-new-condition
#5
Matthew C Fadus, Eric T Rush, Christina K Lettieri
This case underscores the difficulty in diagnosis of bone marrow failure disorders, as the presentation of disease can be inconsistent, complicated by complex and ever-expanding genetic etiologies. A patient who presents with bone marrow failure and pancreatic insufficiency raises the question of Shwachman-Diamond syndrome (SDS) or a new condition which resembles SDS.
June 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28509441/the-greek-registry-of-shwachman-diamond-syndrome-molecular-and-clinical-data
#6
Polyxeni Delaporta, Christalena Sofocleous, Marina Economou, Alexandros Makis, Stavroula Kostaridou, Antonis Kattamis
This study presents the clinical phenotype and molecular analysis findings from 11 patients recorded in the Greek Shwachman-Diamond syndrome (SDS) Registry. The most severely affected patient in our registry was diagnosed at birth and is the first patient reported to require bone marrow transplantation so early in life. Severe psoriasis, a feature not previously reported in SDS, was observed in one patient. Mutations in the Shwachman-Bodian-Diamond syndrome gene (SBDS) were found in all patients. Cytogenetic analyses revealed clonal abnormalities, one novel, in two patients...
May 16, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28502446/pancreatic-disorders
#7
REVIEW
Aliye Uc, Douglas S Fishman
Once considered uncommon, pancreatic diseases are increasingly recognized in the pediatric age group. Acute pancreatitis, acute recurrent pancreatitis, and chronic pancreatitis occur in children with an incidence approaching that of adults. Risk factors are broad, prompting the need for a completely different diagnostic and therapeutic approach in children. Although cystic fibrosis remains the most common cause of exocrine pancreatic insufficiency, other causes such as chronic pancreatitis may be as common as Shwachman Diamond syndrome...
June 2017: Pediatric Clinics of North America
https://www.readbyqxmd.com/read/28486441/bone-mineral-density-in-patients-with-inherited-bone-marrow-failure-syndromes
#8
Roopa Kanakatti Shankar, Neelam Giri, Maya B Lodish, Ninet Sinaii, James C Reynolds, Sharon A Savage, Constantine A Stratakis, Blanche P Alter
BACKGROUNDPatients with inherited bone marrow failure syndromes (IBMFS) may have several risk factors for low bone mineral density (BMD). We aimed to evaluate the prevalence of low BMD in IBMFS and determine associated risk factors.METHODSPatients with IBMFS with at least one Dual Energy X-ray absorptiometry (DXA) scan were evaluated. Diagnosis of each IBMFS, Fanconi anemia (FA), dyskeratosis congenita, Diamond-Blackfan anemia, and Shwachman-Diamond syndrome, was confirmed by syndrome-specific tests. Data were gathered on age, height and clinical history...
May 9, 2017: Pediatric Research
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
#9
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
#10
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
#11
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
#12
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...
February 9, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28130858/novel-recurrent-chromosome-anomalies-in-shwachman-diamond-syndrome
#13
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
#14
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
#15
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/27925430/pulmonary-hypertension-as-estimated-by-doppler-echocardiography-in-adolescent-and-adult-patients-with-cystic-fibrosis-and-their-relationship-with-clinical-lung-function-and-sleep-findings
#16
Bruna Ziegler, Christiano Perin, Fernanda Cano Casarotto, Simone Chaves Fagondes, Sérgio Saldanha Menna-Barreto, Paulo de Tarso Roth Dalcin
BACKGROUND: In cystic fibrosis (CF) patients, end stage of pulmonary disease is characterized by pulmonary hypertension (PH), hypoxemia, decrease in exercise tolerance, and sleep quality. OBJECTIVE: To evaluate the association between clinical, lung function, sleep quality, and polysomnographic variables with PH in CF patients aged 16 years or older. METHODS: In a cross-sectional study, 51 clinically stable CF patients underwent a clinical evaluation, an overnight polysomnography and answered sleep questionnaires (Pittsburgh Sleep Quality Index and Epworth sleepiness scale)...
December 7, 2016: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27805607/fluorescence-anisotropy-as-a-tool-to-study-protein-protein-interactions
#17
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
#18
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
#19
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
#20
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
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