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Propionic Acidemia

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https://www.readbyqxmd.com/read/28720782/dysregulated-mirnas-and-their-pathogenic-implications-for-the-neurometabolic-disease-propionic-acidemia
#1
Ana Rivera-Barahona, Alejandro Fulgencio-Covián, Celia Pérez-Cerdá, Ricardo Ramos, Michael A Barry, Magdalena Ugarte, Belén Pérez, Eva Richard, Lourdes R Desviat
miRNome expression profiling was performed in a mouse model of propionic acidemia (PA) and in patients' plasma samples to investigate the role of miRNAs in the pathophysiology of the disease and to identify novel biomarkers and therapeutic targets. PA is a potentially lethal neurometabolic disease with patients developing neurological deficits and cardiomyopathy in the long-term, among other complications. In the PA mouse liver we identified 14 significantly dysregulated miRNAs. Three selected miRNAs, miR-34a-5p, miR-338-3p and miR-350, were found upregulated in brain and heart tissues...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28712602/anaplerotic-therapy-in-propionic-acidemia
#2
Nicola Longo, Leisa B Price, Eduard Gappmaier, Nancy L Cantor, Sharon L Ernst, Carrie Bailey, Marzia Pasquali
BACKGROUND: Propionic acidemia is a rare metabolic disorder caused by a deficiency of propionyl- CoA carboxylase, the enzyme converting propionyl-CoA to methylmalonyl-CoA that subsequently enters the citric acid cycle as succinyl-CoA. Patients with propionic acidemia cannot metabolize propionic acid, which combines with oxaloacetate to form methylcitric acid. This, with the defective supply of succinyl-CoA, may lead to a deficiency in citric acid cycle intermediates. PURPOSE: The objective of this study was to determine whether supplements with glutamine (400mg/kg per day), citrate (7...
July 12, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28649556/successful-pregnancy-and-delivery-in-a-woman-with-propionic-acidemia-from-the-amish-community
#3
Jessica Scott Schwoerer, Sandra van Calcar, Gregory M Rice, James Deline
Propionic acidemia (PA) is an inborn error of protein metabolism with a variable clinical presentation ranging from neonatal encephalopathy to seemingly asymptomatic individuals who present with cardiomyopathy or sudden death. PA is recognized in the Amish population, often with an early asymptomatic course and eventual cardiac complications. Thus, Amish women with PA may reach reproductive age without clinical sequelae, but are at increased risk for metabolic decompensation during pregnancy, delivery and postpartum period...
September 2016: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28634175/interrelations-between-3-hydroxypropionate-and-propionate-metabolism-in-rat-liver-relevance-to-disorders-of-propionyl-coa-metabolism
#4
Kirkland A Wilson, Yong Han, Miaoqi Zhang, Jeremy Hess, Kimberly A Chapman, Gary W Cline, Gregory P Tochtrop, Henri Brunengraber, Guo-Fang Zhang
Propionate, 3-hydroxypropionate (3HP), methylcitrate, related compounds and ammonium accumulate in body fluids of patients with disorders of propionyl-CoA metabolism, such as propionic acidemia. Although liver transplantation alleviates hyperammonemia, high concentrations of propionate, 3HP and methylcitrate persist in body fluids. We hypothesized that conserved metabolic perturbations occurring in transplanted patients result from the simultaneous presence of propionate and 3HP in body fluids. We investigated the interrelations of propionate and 3HP metabolism in perfused livers from normal rats using metabolomic and stable isotopic technologies...
June 20, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28629683/the-relationship-between-dietary-intake-growth-and-body-composition-in-inborn-errors-of-intermediary-protein-metabolism
#5
Maureen Evans, Helen Truby, Avihu Boneh
OBJECTIVES: To examine relationships between dietary intake, growth and body composition patterns in patients with inborn errors of intermediary protein metabolism and to determine a safe protein:energy ratio (P:E ratio) associated with optimal growth outcomes. STUDY DESIGN: Retrospective longitudinal data of growth and dietary intake in patients (n = 75) with isovaleric acidemia (IVA; n = 7), methylmalonic acidemia/propionic acidemia (MMA/PA; n = 14), urea cycle defects (UCD; n = 44), classical maple syrup urine disease (MSUD; n = 10) were collected...
June 16, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28359305/antenatal-nephromegaly-and-propionic-acidemia-a-case-report
#6
Ségolène Bernheim, Georges Deschênes, Manuel Schiff, Isabelle Cussenot, Olivier Niel
BACKGROUND: Propionic acidemia (PA) is a rare but severe recessive autosomal disease, presenting with non specific signs in the first years of life. Prenatal diagnosis is invasive (amniocentesis) and limited to suspect cases. No screening test has been described, in particular no correlations between prenatal sonography and PA have been documented so far. CASE PRESENTATION: We report the case of a boy with fetal bilateral nephromegaly and hyperechogenic kidneys, along with neonatal acute kidney injury; no etiology could be found in the first months of life...
March 30, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28298669/veno-venous-extracorporeal-membrane-oxygenation-for-continuous-renal-replacement-in-a-neonate-with-propionic-acidemia
#7
Jeffrey W Gander, Erika T Rhone, William G Wilson, John P Barcia, Melissa J Sacco
The usual indications for extra corporeal membrane oxygenation (ECMO) are for respiratory or cardiac failure. Although continuous renal replacement therapy (CRRT) is frequently used when patients are on ECMO, the need for CRRT as the primary indication for ECMO is rare. A case of a neonate placed onto veno-venous ECMO for the use of CRRT to treat hyperammonemia from propionic acidemia is presented.
March 2017: Journal of Extra-corporeal Technology
https://www.readbyqxmd.com/read/28194286/central-venous-catheter-related-bloodstream-infection-with-kocuria-kristinae-in-a-patient-with-propionic-acidemia
#8
Masato Kimura, Eichiro Kawai, Hisao Yaoita, Natsuko Ichinoi, Osamu Sakamoto, Shigeo Kure
Kocuria kristinae is a catalase-positive, coagulase-negative, Gram-positive coccus found in the environment and in normal skin and mucosa in humans; however, it is rarely isolated from clinical specimens and is considered a nonpathogenic bacterium. We describe a case of catheter-related bacteremia due to K. kristinae in a young adult with propionic acidemia undergoing periodic hemodialysis. The patient had a central venous catheter implanted for total parenteral nutrition approximately 6 months prior to the onset of symptoms because of repeated acute pancreatitis...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28189105/determination-of-methylmalonyl-coenzyme-a-by-ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry-for-measuring-propionyl-coenzyme-a-carboxylase-activity-in-patients-with-propionic-acidemia
#9
Kana Gotoh, Yoko Nakajima, Go Tajima, Yoriko Watanabe, Yuji Hotta, Tomoya Kataoka, Yoshihiro Kawade, Naruji Sugiyama, Tetsuya Ito, Kazunori Kimura, Yasuhiro Maeda
Propionic acidemia (PA) is an inherited metabolic disease caused by low activity of propionyl coenzyme A (CoA) carboxylase (PCC), which metabolizes propionyl-CoA into methylmalonyl-CoA. Although many patients with PA have been identified by tandem mass spectrometry since the test was first included in neonatal mass screening in the 1990s, the disease severity varies. Thus, determining the specific level of PCC activity is considered to be helpful to grasp the severity of PA. We developed a new PCC assay method by the determination of methylmalonyl-CoA, which is formed by an enzyme reaction using peripheral lymphocytes, based on ultra high-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS)...
March 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28153297/detection-of-inborn-errors-of-metabolism-utilizing-gc-ms-urinary-metabolomics-coupled-with-a-modified-orthogonal-partial-least-squares-discriminant-analysis
#10
Qin Yang, Shan-Shan Lin, Jiang-Tao Yang, Li-Juan Tang, Ru-Qin Yu
GC-MS urinary metabolomic analysis coupled with chemometrics is used to detect inborn errors of metabolism (IEMs), which are genetic disorders causing severe mental and physical debility and even sudden infant death. Orthogonal partial least squares discriminant analysis (OPLS-DA) is an efficient multivariate statistical method that conducts data analysis of metabolite profiling. However, performance degradation is often observed for OPLS-DA due to increasing size and complexity of metabolomic datasets. In this study, hybrid particle swarm optimization (HPSO) is employed to modify OPLS-DA by simultaneously selecting the optimal variable subset, associated weights and the appropriate number of orthogonal components, constructing a new algorithm called HPSO-OPLSDA...
April 1, 2017: Talanta
https://www.readbyqxmd.com/read/28141776/acute-illness-protocol-for-organic-acidemias-methylmalonic-acidemia-and-propionic-acidemia
#11
Saud H Aldubayan, Lance H Rodan, Gerard T Berry, Harvey L Levy
Inborn errors of metabolism (IEM) are genetic disorders that disrupt enzyme activity, cellular transport, or energy production. They are individually rare, but collectively have an incidence of 1:1000. Most patients with IEMs are followed by a physician with expertise in Biochemical Genetics (Metabolism), but may present outside of this setting. Because IEMs can present acutely with life-threatening crises that require specific interventions, it is critical for the emergency medicine physicians, pediatricians, internists, and critical care physicians as well as biochemical geneticists to be familiar with the initial assessment and management of patients with these disorders...
February 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27900673/expansion-of-the-phenotypic-spectrum-of-propionic-acidemia-with-isolated-elevated-propionylcarnitine
#12
Gerarda Cappuccio, Paldeep S Atwal, Taraka R Donti, Kiki Ugarte, Nadia Merchant, William J Craigen, V Reid Sutton, Sarah H Elsea
We report three patients with elevations of propionylcarnitine (C3), one without elevations of 2-methylcitrate and 3-hydroxypropionate in urine organic acid analysis, and the other two showing only mild elevations, all of whom were subsequently confirmed to have propionic acidemia by molecular analysis of PCCA and PCCB genes. To date, they have had a mild clinical course. These cases illustrate the importance of considering high C3 as the only biochemical abnormality in a diagnosis of propionic acidemia. Since mild C3 elevations may be overlooked and considered non-diagnostic in isolation, we advise considering a diagnosis of propionic acidemia even in the absence of significant elevations 2-methylcitrate or 3-hydroxypropionate in urine organic acid analysis...
November 30, 2016: JIMD Reports
https://www.readbyqxmd.com/read/27825584/autism-in-patients-with-propionic-acidemia
#13
Peter Witters, Eric Debbold, Kea Crivelly, Kristel Vande Kerckhove, Karen Corthouts, Brett Debbold, Hans Andersson, Lena Vannieuwenborg, Sam Geuens, Matthias Baumgartner, Tamas Kozicz, Lisa Settles, Eva Morava
Certain inborn errors of metabolism have been suggested to increase the risk of autistic behavior. In an animal model, propionic acid ingestion triggered abnormal behavior resembling autism. So far only a few cases were reported with propionic acidemia and autistic features. From a series of twelve consecutively diagnosed cases with propionic acidemia, we report on eight patients with autistic features. The patients were followed 2-4 times a year and underwent regular clinical, dietary and laboratory investigations...
December 2016: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/27784639/gas-chromatography-mass-spectrometry-based-urine-metabolome-study-in-children-for-inborn-errors-of-metabolism-an-indian-experience
#14
Mahesh H Hampe, Shrimant N Panaskar, Ashwini A Yadav, Pramod W Ingale
OBJECTIVE: The present study highlights the feasibility of gas chromatography/mass spectrometry (GC/MS)-based analysis for simultaneous detection of >200 marker metabolites in urine found in characteristic pattern in inborn errors of metabolism (IEM) in India. DESIGN AND METHODS: During this retrospective study conducted from July 2013 to January 2016, we collected urine specimens on filter papers from Indian children across the country along with relevant demographic and clinical data...
February 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/27779624/modulation-of-mitochondrial-function-by-the-microbiome-metabolite-propionic-acid-in-autism-and-control-cell-lines
#15
R E Frye, S Rose, J Chacko, R Wynne, S C Bennuri, J C Slattery, M Tippett, L Delhey, S Melnyk, S G Kahler, D F MacFabe
Propionic acid (PPA) is a ubiquitous short-chain fatty acid, which is a major fermentation product of the enteric microbiome. PPA is a normal intermediate of metabolism and is found in foods, either naturally or as a preservative. PPA and its derivatives have been implicated in both health and disease. Whereas PPA is an energy substrate and has many proposed beneficial effects, it is also associated with human disorders involving mitochondrial dysfunction, including propionic acidemia and autism spectrum disorders (ASDs)...
October 25, 2016: Translational Psychiatry
https://www.readbyqxmd.com/read/27776753/comparison-of-methods-of-initial-ascertainment-in-58-cases-of-propionic-acidemia-enrolled-in-the-inborn-errors-of-metabolism-information-system-reveals-significant-differences-in-time-to-evaluation-and-symptoms-at-presentation
#16
COMPARATIVE STUDY
Nicholas M McCrory, Mathew J Edick, Ayesha Ahmad, Susan Lipinski, Jessica A Scott Schwoerer, Shaohui Zhai, Kaitlin Justice, Cynthia A Cameron, Susan A Berry, Loren D M Pena
OBJECTIVES: To compare time to evaluation and symptoms at diagnosis of propionic acidemia (PA) by method of ascertainment, and to explore correlations between genotype and biochemical variables. STUDY DESIGN: Clinical symptoms, genotype, and biochemical findings were analyzed retrospectively in 58 individuals with PA enrolled in the Inborn Errors of Metabolism Information System (IBEM-IS) based on the type of initial ascertainment: abnormal newborn screening (NBS), clinical presentation (symptomatic), or family history...
January 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/27771658/long-qtc-syndrome-and-propionic-acidemia
#17
Moises Rodriguez-Gonzalez, Ana Castellano-Martinez
No abstract text is available yet for this article.
September 8, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27727436/acylglycine-analysis-by-ultra-performance-liquid-chromatography-tandem-mass-spectrometry-uplc-ms-ms
#18
Judith A Hobert, Aiping Liu, Marzia Pasquali
Quantitative analysis of urine acylglycines has shown to be a highly sensitive and specific method with proven clinical utility for the diagnosis of several inherited metabolic disorders including: medium chain acyl-CoA dehydrogenase deficiency, multiple acyl-CoA dehydrogenase deficiency, short chain acyl-CoA dehydrogenase deficiency, 3-methylcrotonyl-CoA carboxylase deficiency, 2-methylbutyryl-CoA dehydrogenase deficiency, isovaleric acidemia, propionic academia, and isobutyryl-CoA dehydrogenase deficiency...
October 11, 2016: Current Protocols in Human Genetics
https://www.readbyqxmd.com/read/27699154/methylmalonyl-coa-epimerase-deficiency-a-new-case-with-an-acute-metabolic-presentation-and-an-intronic-splicing-mutation-in-the-mcee-gene
#19
Paula J Waters, Fanny Thuriot, Joe T R Clarke, Serge Gravel, David Watkins, David S Rosenblatt, Sébastien Lévesque
Methylmalonyl-coA epimerase (MCE) follows propionyl-coA carboxylase and precedes methylmalonyl-coA mutase in the pathway converting propionyl-coA to succinyl-coA. MCE deficiency has previously been described in six patients, one presenting with metabolic acidosis, the others with nonspecific neurological symptoms or asymptomatic. The clinical significance and biochemical characteristics of this rare condition have been incompletely defined. We now describe a patient who presented acutely at 5 years of age with vomiting, dehydration, confusion, severe metabolic acidosis and mild hyperammonemia...
December 2016: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/27672548/hemophagocytic-lymphohistiocytosis-a-rare-cause-of-recurrent-encephalopathy
#20
Raashda Ainuddin Sulaiman, Marwan Yassin Shaheen, Hamad Al-Zaidan, Zuhair Al-Hassnan, Moeenaldeen Al-Sayed, Zuhair Rahbeeni, Nasir Ahmed Bakshi, Namik Kaya, Mazhor Aldosary, Mohammed Al-Owain
We report an unusual case of recurrent encephalopathy due to acquired hemophagocytic lymphohistiocytosis (HLH) in a patient with propionic acidemia (PA). PA is an inherited metabolic disorder in which patients often present with encephalopathy and pancytopenia during metabolic decompensation. However, these patients may rarely develop HLH with similar presentation. This case illustrates the need to distinguish HLH induced encephalopathy from the one secondary to metabolic decompensation in these patients, as early diagnosis and treatment of HLH improves prognosis...
August 2016: Intractable & Rare Diseases Research
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