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Neutropenia in glycogen storage disease Ib: outcomes for patients treated with granulocyte colony-stimulating factor. Curr Opin Hematol 2020; 26:16-21. [PMID: 30451720 DOI: 10.1097/moh.0000000000000474] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE OF REVIEW Glycogen storage disease Ib (GSD Ib) is characterized by hepatomegaly, hypoglycemia, neutropenia, enterocolitis and recurrent bacterial infections. It is attributable to mutations in G6PT1, the gene for the glucose-6-phosphate transporter responsible for transport of glucose into the endoplasmic reticulum. Neutropenia in GSD Ib is now frequently treated with granulocyte colony-stimulating factor (G-CSF). We formed a cooperative group to review outcomes of the long-term treatment of GSD Ib patients treated with G-CSF. RECENT FINDINGS The study enrolled 103 patients (48 men and 55 women), including 47 currently adult patients. All of these patients were treated with G-CSF, starting at a median age of 3.8 years (range 0.04-33.9 years) with a median dose of 3.0 mcg/kg/day (range 0.01-93.1 mcg/kg/day) for a median of 10.3 years (range 0.01-29.3 years). Neutrophils increased in response to G-CSF in all patients (median values before G-CSF 0.2 × 10/l, on G-CSF 1.20 x 10/l). Treatment increased spleen size (before G-CSF, 47%, on treatment on G-CSF 76%), and splenomegaly was the dose-limiting adverse effect of treatment (pain and early satiety). Clinical observations and records attest to reduce frequency of infectious events and the severity of inflammatory bowel symptoms, but fever and recurrent infections remain a significant problem. In the cohort of patients followed carefully through the Severe Chronic Neutropenia International Registry, four patients have developed myelodysplasia or acute myeloid leukemia and we are aware of four other cases, (altogether seven on G-CSF, one never treated with G-CSF). Liver transplantation in five patients did not correct neutropenia. Four patients had hematopoietic stem cell transplantation; two adults and two children were transplanted; one adult and one child survived. SUMMARY GSD Ib is a complex disorder of glucose metabolism causing severe chronic neutropenia. G-CSF is effective to raise blood neutrophil counts and reduce fevers and infections in most patients. In conjunction with other therapies (salicylates, mesalamine sulfasalazine and prednisone), G-CSF ameliorates inflammatory bowel symptoms, but doses must be limited because it increases spleen size associated with abdominal pain.
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Khalaf D, Bell H, Dale D, Gupta V, Faghfoury H, Morel CF, Tierens A, Weinstein DA, Yan J, Thyagu S, Maze D. A case of secondary acute myeloid leukemia on a background of glycogen storage disease with chronic neutropenia treated with granulocyte colony stimulating factor. JIMD Rep 2019; 49:37-42. [PMID: 31788408 PMCID: PMC6875697 DOI: 10.1002/jmd2.12069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 06/12/2019] [Accepted: 07/01/2019] [Indexed: 12/16/2022] Open
Abstract
Congenital neutropenias due to mutations in ELANE, SBDS or HAX1 or in the setting of glycogen storage disease (GSD) which is caused by SLC37A4 mutation, often require prolonged granulocyte colony stimulating factor (G-CSF) therapy to prevent recurrent infections and hospital admission. There has been emerging evidence that prolonged exposure to G-CSF in cases with congenital neutropenia other than GSD is associated with transformation to myelodysplastic syndrome/acute myeloid leukemia.
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Affiliation(s)
- Dina Khalaf
- Department of Medical Oncology and Hematology, Princess Margaret Hospital Cancer CentreUniversity Health NetworkTorontoOntarioCanada
| | - Heather Bell
- Fred A. Litwin Family Centre in Genetic MedicineUniversity Health Network and Mount Sinai HospitalTorontoOntarioCanada
| | - David Dale
- Department of MedicineUniversity of WashingtonSeattleWashington
| | - Vikas Gupta
- Department of Medical Oncology and Hematology, Princess Margaret Hospital Cancer CentreUniversity Health NetworkTorontoOntarioCanada
| | - Hanna Faghfoury
- Fred A. Litwin Family Centre in Genetic MedicineUniversity Health Network and Mount Sinai HospitalTorontoOntarioCanada
| | - Chantal F. Morel
- Department of Medical Oncology and Hematology, Princess Margaret Hospital Cancer CentreUniversity Health NetworkTorontoOntarioCanada
- Fred A. Litwin Family Centre in Genetic MedicineUniversity Health Network and Mount Sinai HospitalTorontoOntarioCanada
| | - Anne Tierens
- Department of Pathology, Toronto General HospitalUniversity Health NetworkTorontoOntarioCanada
| | - David A. Weinstein
- Glycogen Storage Disease ProgramUniversity of Connecticut and Connecticut Children's Medical CenterHartfordConnecticut
| | - Jiong Yan
- Department of Pathology, Toronto General HospitalUniversity Health NetworkTorontoOntarioCanada
| | - Santhosh Thyagu
- Department of Medical Oncology and Hematology, Princess Margaret Hospital Cancer CentreUniversity Health NetworkTorontoOntarioCanada
| | - Dawn Maze
- Department of Medical Oncology and Hematology, Princess Margaret Hospital Cancer CentreUniversity Health NetworkTorontoOntarioCanada
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Chou JY, Cho JH, Kim GY, Mansfield BC. Molecular biology and gene therapy for glycogen storage disease type Ib. J Inherit Metab Dis 2018; 41:1007-1014. [PMID: 29663270 DOI: 10.1007/s10545-018-0180-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 03/01/2018] [Accepted: 03/26/2018] [Indexed: 12/15/2022]
Abstract
Glycogen storage disease type Ib (GSD-Ib) is caused by a deficiency in the ubiquitously expressed glucose-6-phosphate (G6P) transporter (G6PT or SLC37A4). The primary function of G6PT is to translocate G6P from the cytoplasm into the lumen of the endoplasmic reticulum (ER). Inside the ER, G6P is hydrolyzed to glucose and phosphate by either the liver/kidney/intestine-restricted glucose-6-phosphatase-α (G6Pase-α) or the ubiquitously expressed G6Pase-β. A deficiency in G6Pase-α causes GSD type Ia (GSD-Ia) and a deficiency in G6Pase-β causes GSD-I-related syndrome (GSD-Irs). In gluconeogenic organs, functional coupling of G6PT and G6Pase-α is required to maintain interprandial blood glucose homeostasis. In myeloid tissues, functional coupling of G6PT and G6Pase-β is required to maintain neutrophil homeostasis. Accordingly, GSD-Ib is a metabolic and immune disorder, manifesting impaired glucose homeostasis, neutropenia, and neutrophil dysfunction. A G6pt knockout mouse model is being exploited to delineate the pathophysiology of GSD-Ib and develop new clinical treatment options, including gene therapy. The safety and efficacy of several G6PT-expressing recombinant adeno-associated virus pseudotype 2/8 vectors have been examined in murine GSD-Ib. The results demonstrate that the liver-directed gene transfer and expression safely corrects metabolic abnormalities and prevents hepatocellular adenoma (HCA) development. However, a second vector system may be required to correct myeloid and renal dysfunction in GSD-Ib. These findings are paving the way to a safe and efficacious gene therapy for entering clinical trials.
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Affiliation(s)
- Janice Y Chou
- Section on Cellular Differentiation, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Building 10, Room 8N240C, NIH 10 Center Drive, Bethesda, MD, 20892-1830, USA.
| | - Jun-Ho Cho
- Section on Cellular Differentiation, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Building 10, Room 8N240C, NIH 10 Center Drive, Bethesda, MD, 20892-1830, USA
| | - Goo-Young Kim
- Section on Cellular Differentiation, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Building 10, Room 8N240C, NIH 10 Center Drive, Bethesda, MD, 20892-1830, USA
| | - Brian C Mansfield
- Section on Cellular Differentiation, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Building 10, Room 8N240C, NIH 10 Center Drive, Bethesda, MD, 20892-1830, USA
- Foundation Fighting Blindness, Columbia, MD, 21046, USA
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Hematological Malignancies Associated With Primary Immunodeficiency Disorders. Clin Immunol 2018; 194:46-59. [DOI: 10.1016/j.clim.2018.06.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 06/25/2018] [Accepted: 06/28/2018] [Indexed: 12/18/2022]
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Li AM, Thyagu S, Maze D, Schreiber R, Sirrs S, Stockler-Ipsiroglu S, Sutherland H, Vercauteren S, Schultz KR. Prolonged granulocyte colony stimulating factor use in glycogen storage disease type 1b associated with acute myeloid leukemia and with shortened telomere length. Pediatr Hematol Oncol 2018; 35:45-51. [PMID: 29652549 DOI: 10.1080/08880018.2018.1440675] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Glycogen storage disease (GSD) type 1 is a rare autosomal recessive inherited condition. The 1b subtype comprises the minority of cases, with an estimated prevalence of 1 in 500,000 children. Patients with glycogen storage disease type 1b are often treated with granulocyte colony stimulating factor (G-CSF) for prolonged periods to improve symptoms of inflammatory bowel disease (IBD) and in the face of severe neutropenia to decrease risk of infection. Long-term G-CSF treatment may result in an increased risk of myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML) possibly due to increased marrow stress resulting in telomere shortening. To our knowledge, there have been two published cases of AML in GSD type 1b patients following long-term G-CSF exposure. Here, we report two further cases of AML/MDS-related changes in patients GSD type 1b treated with G-CSF. One patient developed AML with complex karyotype after 20 years of G-CSF treatment. The second patient was found to have short telomeres after 10 years of G-CSF exposure, but no evidence of acute leukemia at present. The third patient developed AML/MDS after 25 years of G-CSF use, with short telomeres prior to bone marrow transplant. Together these cases suggest that GSD type 1b patients with prolonged G-CSF exposure may be at an increased risk of MDS/AML states associated with G-CSF-induced shortened telomeres. We recommend that any GSD1b patients with prolonged G-CSF should have routine telomere assessments with monitoring for MDS if telomere shortening is observed, and with particular attention warranted if there is unexplained loss of G-CSF responsiveness.
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Affiliation(s)
- Amanda M Li
- a Children's Hospital of Philadelphia , Philadelphia , PA , USA
| | - Santhosh Thyagu
- b Division of Medical Oncology and Hematology , Princess Margaret Cancer Centre , Toronto , ON , Canada
| | - Dawn Maze
- b Division of Medical Oncology and Hematology , Princess Margaret Cancer Centre , Toronto , ON , Canada
| | - Richard Schreiber
- c Department of Pediatrics , University of British Columbia, BC Children's Hospital , Vancouver , BC . Canada
| | - Sandra Sirrs
- d Department of Medicine , University of British Columbia, Vancouver General Hospital , Vancouver , BC , Canada
| | - Sylvia Stockler-Ipsiroglu
- c Department of Pediatrics , University of British Columbia, BC Children's Hospital , Vancouver , BC . Canada
| | - Heather Sutherland
- d Department of Medicine , University of British Columbia, Vancouver General Hospital , Vancouver , BC , Canada
| | - Suzanne Vercauteren
- e Department of Pathology and Laboratory Medicine , University of British Columbia, BC Children's Hospital , Vancouver , BC , Canada
| | - Kirk R Schultz
- c Department of Pediatrics , University of British Columbia, BC Children's Hospital , Vancouver , BC . Canada
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A Third Case of Glycogen Storage Disease IB and Giant Cell Tumour of the Mandible: A Disease Association or Iatrogenic Complication of Therapy. JIMD Rep 2017; 42:5-8. [PMID: 29119402 PMCID: PMC6226394 DOI: 10.1007/8904_2017_67] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 10/16/2017] [Accepted: 10/18/2017] [Indexed: 01/30/2023] Open
Abstract
We report the third case of Glycogen Storage Disease type 1b (GSD 1b) with Giant Cell Tumour (GCT) of the mandible, associated with Granulocyte Colony Stimulating Factor (G-CSF) use. G-CSF in GSD 1b is indicated for persistent neutropaenia, sepsis, inflammatory bowel disease and severe diarrhoea. Our patient was 12 years old at GCT diagnosis and had been treated with G-CSF from 5 years of age. He underwent therapy with interferon followed by local resection which was successful in initial control of the disease. Histology demonstrated spindle shaped stromal cells together with numerous interspersed multinuclear osteoclastic giant cells. G-CSF has been hypothesized to induce osteoclastic differentiation and thus may be involved in the pathogenesis of GCT formation. At age 19 years he required a repeat operation for local recurrence. He currently continues on G-CSF and was commenced on denosumab for control of the GCT with no recurrence to date. A cause and effect relationship between G-CSF therapy and the development of GCT in GSD type 1b remains to be established.
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Chou JY, Sik Jun H, Mansfield BC. The SLC37 family of phosphate-linked sugar phosphate antiporters. Mol Aspects Med 2013; 34:601-11. [PMID: 23506893 DOI: 10.1016/j.mam.2012.05.010] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2011] [Accepted: 03/08/2012] [Indexed: 12/28/2022]
Abstract
The SLC37 family consists of four sugar-phosphate exchangers, A1, A2, A3, and A4, which are anchored in the endoplasmic reticulum (ER) membrane. The best characterized family member is SLC37A4, better known as the glucose-6-phosphate (G6P) transporter (G6PT). SLC37A1, SLC37A2, and G6PT function as phosphate (Pi)-linked G6P antiporters catalyzing G6P:Pi and Pi:Pi exchanges. The activity of SLC37A3 is unknown. G6PT translocates G6P from the cytoplasm into the lumen of the ER where it couples with either glucose-6-phosphatase-α (G6Pase-α) or G6Pase-β to hydrolyze intraluminal G6P to glucose and Pi. The functional coupling of G6PT with G6Pase-α maintains interprandial glucose homeostasis and the functional coupling of G6PT with G6Pase-β maintains neutrophil energy homeostasis and functionality. A deficiency in G6PT causes glycogen storage disease type Ib, an autosomal recessive disorder characterized by impaired glucose homeostasis, neutropenia, and neutrophil dysfunction. Neither SLC37A1 nor SLC37A2 can functionally couple with G6Pase-α or G6Pase-β, and there are no known disease associations for them or SLC37A3. Since only G6PT matches the characteristics of the physiological ER G6P transporter involved in blood glucose homeostasis and neutrophil energy metabolism, the biological roles for the other SLC37 proteins remain to be determined.
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Affiliation(s)
- Janice Y Chou
- Section on Cellular Differentiation, Program on Developmental Endocrinology and Genetics, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA.
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Abstract
Glycogen storage disease type I (GSD-I) consists of two subtypes: GSD-Ia, a deficiency in glucose-6-phosphatase-α (G6Pase-α) and GSD-Ib, which is characterized by an absence of a glucose-6-phosphate (G6P) transporter (G6PT). A third disorder, G6Pase-β deficiency, shares similarities with this group of diseases. G6Pase-α and G6Pase-β are G6P hydrolases in the membrane of the endoplasmic reticulum, which depend on G6PT to transport G6P from the cytoplasm into the lumen. A functional complex of G6PT and G6Pase-α maintains interprandial glucose homeostasis, whereas G6PT and G6Pase-β act in conjunction to maintain neutrophil function and homeostasis. Patients with GSD-Ia and those with GSD-Ib exhibit a common metabolic phenotype of disturbed glucose homeostasis that is not evident in patients with G6Pase-β deficiency. Patients with a deficiency in G6PT and those lacking G6Pase-β display a common myeloid phenotype that is not shared by patients with GSD-Ia. Previous studies have shown that neutrophils express the complex of G6PT and G6Pase-β to produce endogenous glucose. Inactivation of either G6PT or G6Pase-β increases neutrophil apoptosis, which underlies, at least in part, neutrophil loss (neutropenia) and dysfunction in GSD-Ib and G6Pase-β deficiency. Dietary and/or granulocyte colony-stimulating factor therapies are available; however, many aspects of the diseases are still poorly understood. This Review will address the etiology of GSD-Ia, GSD-Ib and G6Pase-β deficiency and highlight advances in diagnosis and new treatment approaches, including gene therapy.
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Affiliation(s)
- Janice Y Chou
- Section on Cellular Differentiation, Program on Developmental Endocrinology and Genetics, Building 10, Room 9D42, 10 Center Drive, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892-1830, USA.
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Abstract
PURPOSE OF REVIEW Glycogen storage disease type Ib, characterized by disturbed glucose homeostasis, neutropenia, and neutrophil dysfunction, is caused by a deficiency in a ubiquitously expressed glucose-6-phosphate transporter (G6PT). G6PT translocates glucose-6-phosphate (G6P) from the cytoplasm into the lumen of the endoplasmic reticulum, in which it is hydrolyzed to glucose either by a liver/kidney/intestine-restricted glucose-6-phosphatase-alpha (G6Pase-alpha) or by a ubiquitously expressed G6Pase-beta. The role of the G6PT/G6Pase-alpha complex is well established and readily explains why G6PT disruptions disturb interprandial blood glucose homeostasis. However, the basis for neutropenia and neutrophil dysfunction in glycogen storage disease type Ib is poorly understood. Recent studies that are now starting to unveil the mechanisms are presented in this review. RECENT FINDINGS Characterization of G6Pase-beta and generation of mice lacking either G6PT or G6Pase-beta have shown that neutrophils express the G6PT/G6Pase-beta complex capable of producing endogenous glucose. Loss of G6PT activity leads to enhanced endoplasmic reticulum stress, oxidative stress, and apoptosis that underlie neutropenia and neutrophil dysfunction in glycogen storage disease type Ib. SUMMARY Neutrophil function is intimately linked to the regulation of glucose and G6P metabolism by the G6PT/G6Pase-beta complex. Understanding the molecular mechanisms that govern energy homeostasis in neutrophils has revealed a previously unrecognized pathway of intracellular G6P metabolism in neutrophils.
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Affiliation(s)
- Janice Y Chou
- aProgram on Developmental Endocrinology and Genetics, Section on Cellular Differentiation, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892-1830, USA.
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Hsiao HJ, Chang HH, Hwu WL, Lam CW, Lee NC, Chien YH. Glycogen storage disease type Ib: the first case in Taiwan. Pediatr Neonatol 2009; 50:125-8. [PMID: 19579760 DOI: 10.1016/s1875-9572(09)60048-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Glycogen storage disease (GSD) type Ib is caused by the deficiency of glucose-6-phosphate translocase activity. The elder brother of the proband died at age 20 months, and GSD Ia, a disease caused by the deficiency of glucose-6-phosphatase, was the diagnosis. Theproband developed hypoglycemia shortly after birth. Dietary therapy was instituted immediately, but his growth was poor and there were repeated episodes of pyogenic infection. Neutropenia had been observed since 6 months of age, but the diagnosis of GSD Ib was established only at 18 months of age two mutations (c.354_355insC (p. W118fsX12) and c.736T>C (p.W246R)) were detected on his SLC37A4 gene. Regular administration of G-CSF rapidly improved his health and decreased his hospital stay. Although GSD Ib is very rare in Taiwan, correct diagnosis is essential to save the lives of such patients.
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Affiliation(s)
- Hui-Ju Hsiao
- Department of Pediatrics, National Taiwan University Hospital, National Taiwan University, College of Medicine, Taipei, Taiwan
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A patient with glycogen storage disease type Ib presenting with acute myeloid leukemia (AML) bearing monosomy 7 and translocation t(3;8)(q26;q24) after 14 years of treatment with granulocyte colony-stimulating factor (G-CSF): a case report. J Med Case Rep 2008; 2:319. [PMID: 18826620 PMCID: PMC2566578 DOI: 10.1186/1752-1947-2-319] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2008] [Accepted: 09/30/2008] [Indexed: 11/13/2022] Open
Abstract
Introduction Glycogen storage disease type Ib is an autosomal recessive transmitted disorder of glycogen metabolism caused by mutations in the glucose-6-phosphate translocase gene on chromosome 11q23 and leads to disturbed glycogenolysis as well as gluconeogenesis. Besides hepatomegaly, growth retardation, hypoglycemia, hyperlactatemia, hyperuricemia and hyperlipidemia, patients suffer from neutropenia associated with functional defects predisposing for severe infections. In order to attenuate these complications, long-term treatment with granulocyte colony-stimulating factor is common but this is associated with an increased risk for acute myeloid leukemia or myelodysplastic syndromes in patients with inherited bone marrow failures such as severe congenital neutropenia. Onset of these myeloid malignancies is linked to cytogenetic aberrations involving chromosome 7. In addition, granulocyte colony-stimulating factor is known to stimulate proliferation of monosomy 7 cells in vitro. To our knowledge, we report for the first time a case report of a patient with glycogen storage disease type Ib, who developed acute myeloid leukemia with a classical monosomy 7 and acute myeloid leukemia-associated translocation t(3;8)(q26;q24) after 14 years of continuous treatment with granulocyte colony-stimulating factor. Case presentation A 28-year-old Turkish man with glycogen storage disease type Ib was admitted to our department because of dyspnea and increasing fatigue. He also presented with gum bleeding, bone pain in his legs, night sweats, recurrent episodes of fever with temperatures up to 39°C and hepatosplenomegaly. A blood count taken on the day of admission showed pancytopenia and a differential count displayed 30% blasts. A bone marrow biopsy was taken which showed a hypercellular marrow with dysplastic features of all three cell lines, while blast count was 20%. Classical cytogenetic analyses as well as fluorescence in situ hybridization showed a monosomy 7 with a translocation t(3;8)(q26;q24). Based on these findings, the diagnosis of acute myeloid leukemia was made. Conclusion Our observations suggest that bone marrow examinations including cytogenetic analysis should be carried out on a regular basis in patients with glycogen storage disease type Ib who are on long-term treatment with granulocyte colony-stimulating factor for severe neutropenia, since this treatment might also contribute to an increased risk for acute myeloid leukemia or myelodysplastic syndromes.
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Abstract
The development of intraoperative hyperthermia has been reported in association with blood malignancies. This is case report of hyperthermia in a child with neuroblastoma, which was not an episode of malignant hyperthermia as determined by arterial blood cases and physiologic vital signs.
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Affiliation(s)
- James F Mayhew
- Department of Anesthesiology University of Mississippi Medical Center, Batson Children's Hospital, Jackson, 39216, USA.
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Pinsk M, Burzynski J, Yhap M, Fraser RB, Cummings B, Ste-Marie M. Acute myelogenous leukemia and glycogen storage disease 1b. J Pediatr Hematol Oncol 2002; 24:756-8. [PMID: 12468919 DOI: 10.1097/00043426-200212000-00015] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Glycogen storage disease 1b (GSD 1b) is caused by a deficiency of glucose-6-phosphate translocase and the intracellular accumulation of glycogen. The disease presents with failure to thrive, hepatomegaly, hypoglycemia, lactic acidosis, as well as neutropenia causing increased susceptibility to pyogenic infections. We present a case of a young woman with GSD 1b who developed acute myelogenous leukemia while on long-term granulocyte colony-stimulating factor therapy. The presence of two rare diseases in a single patient raises suspicion that GSD 1b and acute myelogenous leukemia are linked. Surveillance for acute myelogenous leukemia should become part of the long-term follow-up for GSD 1b.
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Affiliation(s)
- Maury Pinsk
- Department of Pediatrics, University of Virginia Children's Medical Center, Room 2010, MR-4 Building, 300 Lane Road, Charlottesville, VA 22908-0386, USA.
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Burchell A, Waddell ID. The molecular basis of the hepatic microsomal glucose-6-phosphatase system. BIOCHIMICA ET BIOPHYSICA ACTA 1991; 1092:129-37. [PMID: 1850300 DOI: 10.1016/0167-4889(91)90146-o] [Citation(s) in RCA: 66] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- A Burchell
- Dundee University Medical School, Ninewells Hospital, U.K
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