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Inherited metabolic disorders

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https://www.readbyqxmd.com/read/28435820/costs-of-hospital-admission-on-primary-immunodeficiency-diseases
#1
Kheirollah Gholami, Elaheh Laali, Hassan Abolhassani, Alireza Ahmadvand, Niayesh Mohebbi, Mohammad Reza Javadi, Asghar Aghamohammadi, Nima Rezaei
BACKGROUND: Primary immunodeficiency diseases (PID) are heterogeneous group of inherited disorders mainly characterized by recurrent infections leading to several times hospital admissions. The economic impact of PID is a challenging issue; therefore, this study was designed to determine the medical costs of hospitalizations in this group of patients as an indicator of the direct cost of these diseases. METHODS: One hundred and ten children with PID hospitalized in the Children's Medical Center Hospital, Tehran, Iran were included in this study during Jan 2011 and Jan 2012...
March 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28432467/renal-skin-syndromes
#2
REVIEW
Cristina Has, Yinghong He
Renal-skin syndroms are a group of genetic disorders with renal and cutaneous manifestations that target molecular components present in both organs. Inherited renal-skin syndromes are mainly associated with defects of cell-matrix adhesion. We provide a non-exhaustive overview of the main molecular players at cell-matrix adhesions in mouse models and in human genetic disorders affecting kidney and skin. Renal and urinary tract involvement is described in all four major epidermolysis bullosa types and, in particular, in junctional subtypes and in recessive dystrophic epidermolysis bullosa...
April 22, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28420223/clinical-and-molecular-characterization-of-patients-with-fructose-1-6-bisphosphatase-deficiency
#3
Niu Li, Guoying Chang, Yufei Xu, Yu Ding, Guoqiang Li, Tingting Yu, Yanrong Qing, Juan Li, Yiping Shen, Jian Wang, Xiumin Wang
Fructose-1,6-bisphosphatase (FBPase) deficiency is a rare, autosomal recessive inherited disease caused by the mutation of the FBP1 gene, the incidence is estimated to be between 1/350,000 and 1/900,000. The symptoms of affected individuals are non-specific and are easily confused with other metabolic disorders. The present study describes the clinical features of four Chinese pediatric patients who presented with hypoglycemia, hyperlactacidemia, metabolic acidosis, and hyperuricemia. Targeted-next generation sequencing using the Agilent SureSelect XT Inherited Disease Panel was used to screen for causal variants in the genome, and the clinically-relevant variants were subsequently verified using Sanger sequencing...
April 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28417072/atypical-juvenile-presentation-of-gm2-gangliosidosis-ab-in-a-patient-compound-heterozygote-for-c-259g%C3%A2-%C3%A2-t-and-c-164c%C3%A2-%C3%A2-t-mutations-in-the-gm2a-gene
#4
Carla Martins, Catherine Brunel-Guitton, Anne Lortie, France Gauvin, Carlos R Morales, Grant A Mitchell, Alexey V Pshezhetsky
GM2-gangliosidosis, AB variant is an extremely rare autosomal recessive inherited disorder caused by mutations in the GM2A gene that encodes GM2 ganglioside activator protein (GM2AP). GM2AP is necessary for solubilisation of GM2 ganglioside in endolysosomes and its presentation to β-hexosaminidase A. Conversely GM2AP deficiency impairs lysosomal catabolism of GM2 ganglioside, leading to its storage in cells and tissues. We describe a 9-year-old child with an unusual juvenile clinical onset of GM2-gangliosidosis AB...
June 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28417071/twenty-novel-mutations-in-bckdha-bckdhb-and-dbt-genes-in-a-cohort-of-52-saudi-arabian-patients-with-maple-syrup-urine-disease
#5
Faiqa Imtiaz, Abeer Al-Mostafa, Rabab Allam, Khushnooda Ramzan, Nada Al-Tassan, Asma I Tahir, Nouf S Al-Numair, Mohamed H Al-Hamed, Zuhair Al-Hassnan, Mohammad Al-Owain, Hamad Al-Zaidan, Mohammad Al-Amoudi, Alya Qari, Ameera Balobaid, Moeenaldeen Al-Sayed
Maple syrup urine disease (MSUD), an autosomal recessive inborn error of metabolism due to defects in the branched-chain α-ketoacid dehydrogenase (BCKD) complex, is commonly observed among other inherited metabolic disorders in the kingdom of Saudi Arabia. This report presents the results of mutation analysis of three of the four genes encoding the BCKD complex in 52 biochemically diagnosed MSUD patients originating from Saudi Arabia. The 25 mutations (20 novel) detected spanned across the entire coding regions of the BCKHDA, BCKDHB and DBT genes...
June 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28411331/glutaric-acidemia-type-1-a-case-of-infantile-stroke
#6
Gül Demet Kaya Ozcora, Songul Gokay, Mehmet Canpolat, Fatih Kardaş, Mustafa Kendirci, Sefer Kumandaş
BACKGROUND: Glutaric acidemia Type 1 (GA-1) is an autosomal recessively inherited metabolic disorder which is associated with GCDH gene mutations which alters the glutaryl-CoA dehydrogenase, an enzyme playing role in the catabolic pathways of the amino acids lysine, hydroxylysine, and tryptophan. Clinical findings are often encephalopathic crises, dystonia, and extrapyramidal symptoms. CASE REPORT: A 9-month-old male infant referred to our department with focal tonic-clonic seizures during rotavirus infection and acute infarcts in MRI...
April 15, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28410768/-small-fiber-neuropathy
#7
V Langlois, A-L Bedat Millet, M Lebesnerais, S Miranda, F Marguet, Y Benhamou, P Marcorelles, H Lévesque
Small fiber neuropathy (SFN) is still unknown. Characterised by neuropathic pain, it typically begins by burning feet, but could take many other expression. SFN affects the thinly myelinated Aδ and unmyelinated C-fibers, by an inherited or acquired mechanism, which could lead to paresthesia, thermoalgic disorder or autonomic dysfunction. Recent studies suggest the preponderant role of ion channels such as Nav1.7. Furthermore, erythromelalgia or burning mouth syndrome are now recognized as real SFN. Various aetiologies of SFN are described...
April 11, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28409465/peroxisomal-membrane-and-matrix-protein-import-using-a-semi-intact-mammalian-cell-system
#8
Kanji Okumoto, Masanori Honsho, Yuqiong Liu, Yukio Fujiki
Peroxisomes are essential intracellular organelles that catalyze a number of essential metabolic pathways including β-oxidation of very long chain fatty acids, synthesis of plasmalogen, bile acids, and generation and degradation of hydrogen peroxide. These peroxisomal functions are accomplished by strictly and spatiotemporally regulated compartmentalization of the enzymes catalyzing these reactions. Defects in peroxisomal protein import result in inherited peroxisome biogenesis disorders in humans. Peroxisomal matrix and membrane proteins are synthesized on free ribosomes and transported to peroxisomes in a manner dependent on their specific targeting signals and their receptors...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28397058/clinical-and-biochemical-heterogeneity-between-patients-with-glycogen-storage-disease-type-ia-the-added-value-of-cusum-for-metabolic-control
#9
Fabian Peeks, Thomas A H Steunenberg, Foekje de Boer, M Estela Rubio-Gozalbo, Monique Williams, Rob Burghard, Fabienne Rajas, Maaike H Oosterveer, David A Weinstein, Terry G J Derks
OBJECTIVE: To study heterogeneity between patients with glycogen storage disease type Ia (GSD Ia), a rare inherited disorder of carbohydrate metabolism caused by the deficiency of glucose-6-phosphatase (G6Pase). STUDY DESIGN: Descriptive retrospective study of longitudinal clinical and biochemical data and long-term complications in 20 GSD Ia patients. We included 11 patients with homozygous G6PC mutations and siblings from four families carrying identical G6PC genotypes...
April 10, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28396959/glucose-transportation-in-the-brain-and-its-impairment-in-huntington-disease-one-more-shade-of-the-energetic-metabolism-failure
#10
REVIEW
Veronica Morea, Eris Bidollari, Gianni Colotti, Annarita Fiorillo, Jessica Rosati, Lidia De Filippis, Ferdinando Squitieri, Andrea Ilari
Huntington's disease (HD) or Huntington's chorea is the most common inherited, dominantly transmitted, neurodegenerative disorder. It is caused by increased CAG repeats number in the gene coding for huntingtin (Htt) and characterized by motor, behaviour and psychiatric symptoms, ultimately leading to death. HD patients also exhibit alterations in glucose and energetic metabolism, which result in pronounced weight loss despite sustained calorie intake. Glucose metabolism decreases in the striatum of all the subjects with mutated Htt, but affects symptom presentation only when it drops below a specific threshold...
April 10, 2017: Amino Acids
https://www.readbyqxmd.com/read/28391878/autosomal-dominant-familial-dysbetalipoproteinemia-a-pathophysiological-framework-and-practical-approach-to-diagnosis-and-therapy
#11
REVIEW
Charlotte Koopal, A David Marais, Jan Westerink, Frank L J Visseren
Familial dysbetalipoproteinemia (FD) is a genetic disorder of lipoprotein metabolism associated with an increased risk for premature cardiovascular disease. In about 10% of the cases, FD is caused by autosomal dominant mutations in the apolipoprotein E gene (APOE). This review article provides a pathophysiological framework for autosomal dominant FD (ADFD) and discusses diagnostic challenges and therapeutic options. The clinical presentation and diagnostic work-up of ADFD are illustrated by two cases: a male with premature coronary artery disease and a p...
January 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28390001/defective-glycolysis-and-the-use-of-2-deoxy-d-glucose-in-polycystic-kidney-disease-from-animal-models-to-humans
#12
REVIEW
Riccardo Magistroni, Alessandra Boletta
Autosomal dominant polycystic kidney disease (ADPKD) is an inherited renal disease characterized by bilateral renal cyst formation. ADPKD is one of the most common rare disorders, accounting for ~10% of all patients with end-stage renal disease (ESRD). ADPKD is a chronic disorder in which the gradual expansion of cysts that form in a minority of nephrons eventually causes loss of renal function due to the compression and degeneration of the surrounding normal parenchyma. Numerous deranged pathways have been identified in the cyst-lining epithelia, prompting the design of potential therapies...
April 7, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28377426/alterations-in-endo-lysosomal-function-induce-similar-hepatic-lipid-profiles-in-rodent-models-of-drug-induced-phospholipidosis-and-sandhoff-disease
#13
Emmanuelle Lecommandeur, David Baker, Timothy M Cox, Andrew W Nicholls, Julian L Griffin
Drug-induced phospholipidosis (DIPL) is characterised by an increase in the phospholipid content of the cell and the accumulation of drugs and lipids inside the lysosomes of affected tissues, including in the liver. While of uncertain pathological significance for patients, the condition remains a major impediment for the clinical development of new drugs. Human Sandhoff disease (SD) is caused by inherited defects of the β subunit of lysosomal β-hexosaminidases (Hex) A and B, leading to a large array of symptoms, including neurodegeneration and ultimately death by the age of four in its most common form...
April 4, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28367941/changes-in-bone-metabolic-parameters-following-oral-calcium-supplementation-in-an-adult-patient-with-vitamin-d-dependent-rickets-type-2a
#14
Yuka Kinoshita, Nobuaki Ito, Noriko Makita, Masaomi Nangaku, Seiji Fukumoto
Vitamin D-dependent rickets type 2A (VDDR2A) is a rare inherited disorder with decreased tissue responsiveness to 1,25-dihydroxyvitamin D [1,25(OH)2D], caused by loss of function mutations in the vitamin D receptor (VDR) gene. Approximately 50 types of mutations have been identified so far that change amino acids in either the N-terminal DNA binding domain (DBD) or the C-terminal ligand binding domain (LBD) of the VDR protein. The degree of responsiveness to 1,25(OH)2D varies between patients with VDDR2A, which may depend on their residual VDR function...
March 31, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28364818/liver-transplantation-in-alpha-1-antitrypsin-deficiency
#15
REVIEW
Virginia C Clark
Alpha-1 antitrypsin (AAT) deficiency is a common inherited metabolic disorder caused by a point mutation in the SERPIN1A gene. A small portion of homozygous PI*ZZ individuals develop severe liver disease that requires liver transplantation. Posttransplant survival is excellent. The largest burden of advanced liver disease lies within the adult population rather than children. Evaluation of lung function in adults before transplant is essential because of the underlying risk for chronic obstructive pulmonary disease...
May 2017: Clinics in Liver Disease
https://www.readbyqxmd.com/read/28363873/production-of-recombinant-human-acid-%C3%AE-glucosidase-with-high-mannose-glycans-in-gnt1-rice-for-the-treatment-of-pompe-disease
#16
Jae-Wan Jung, Nguyen-Xuan Huy, Hyo-Boon Kim, Nan-Sun Kim, Do Van Giap, Moon-Sik Yang
Lysosomal storage diseases are a group of inherited metabolic disorders. Patients are treated with enzyme replacement therapy (ERT), in which the replacement enzymes are required to carry terminal mannose or mannose 6-phosphate residues to allow efficient uptake into target cells and tissues. N-acetylglucosaminyltransferase-I (GnTI) mediates N-glycosylation in the cis cisternae of the Golgi apparatus by adding N-acetylglucosamine to the exposed terminal mannose residue of core N-glycan structures for further processing...
March 29, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28356566/successful-newborn-screening-for-gaucher-disease-using-fluorometric-assay-in-china
#17
Lulu Kang, Xia Zhan, Xuefan Gu, Huiwen Zhang
Gaucher disease (GD) is an inherited metabolic disorder that involves accumulation of glycolipid glucocerebroside in monocyte-macrophage cells, which can result in multiple organ damage. Enzyme replacement and substrate reduction therapies have improved the potential for early diagnosis and treatment. Determining the true incidence of this rare disease is critical for relevant policy establishment. Newborn screening allows for early diagnosis and an comparatively accurate incidence of GD. A fluorometric method to detect acid β-glucocerebrosidase (GBA) activity on a dried blood spot punch was developed...
March 30, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28340691/fabry-disease-a-fundamental-genetic-modifier-of-cardiac-function
#18
REVIEW
A Tadevosyan
Fabry disease (FD) is an inherited X-linked metabolic storage disorder triggered by abnormalities in the GLA gene at Xq22, which leads to a deficiency in α-galactosidase A and massive accumulation of intralysosomal glycosphingolipids. Cardiac complications are very common in FD and are the main cause of late morbidity, as well as early mortality in both hemizygous men and heterozygous women. There is a need for a multidisciplinary approach to evaluation and management of FD patients as there is a wide range of presentation of FD, which varies with mutation and other organ involvement/dysfunction...
January 2017: Current Research in Translational Medicine
https://www.readbyqxmd.com/read/28327689/unusual-case-of-failure-to-thrive-type-iii-bartter-syndrome
#19
S Agrawal, K Subedi, P Ray, A Rayamajhi
Bartter syndrome Type III is a rare autosomal recessive disorder resulting from an inherited defect in the thick ascending limb of the loop of henle of the nephrons in kidney. The typical clinical manifestations in childhood are failure to thrive and recurrent episodes of vomiting. Typical laboratory findings which help in the diagnosis are hypokalemic metabolic alkalosis, hypomagnesemia and hypercalciuria. We report a case of Type III Bartter syndrome not responding to repeated conventional treatment of failure to thrive...
September 2016: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28327391/detection-assessment-and-treatment-of-children-with-familial-hypercholesterolaemia-in-scotland
#20
Alison Cozens, Susan McMahon, Janet Purves, Zosia Miedzybrodska, E Mason
No abstract text is available yet for this article.
December 2016: Atherosclerosis
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