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[Cystinosis : Diagnosis, cystine-depleting therapy, and transition]. 2018

Jessica Kaufeld, and Lutz T Weber, and Christine Kurschat, and Sima Canaan-Kuehl, and Eva Brand, and Jun Oh, and Lars Pape
Klinik für Nieren- und Hochdruckerkrankungen, Medizinische Hochschule Hannover, Hannover, Deutschland.

This article presents a case of cystinosis in a young man. Diagnosis of the disease and the problem of transition to adult care are described. Cystinosis is a rare lysosomal storage disease with first manifestation in early childhood presenting as renal Fanconi syndrome. Without treatment, the disease leads to severe health impairment. Due to the rarity of the disease, a correct diagnosis is often delayed. Without treatment, cystinosis often leads to end-stage renal failure, blindness, hypothyroidism, diabetes mellitus, and rickets. Cystine-depleting therapy with cysteamine significantly improves mortality and quality of life.

UI MeSH Term Description Entries
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D008247 Lysosomes A class of morphologically heterogeneous cytoplasmic particles in animal and plant tissues characterized by their content of hydrolytic enzymes and the structure-linked latency of these enzymes. The intracellular functions of lysosomes depend on their lytic potential. The single unit membrane of the lysosome acts as a barrier between the enzymes enclosed in the lysosome and the external substrate. The activity of the enzymes contained in lysosomes is limited or nil unless the vesicle in which they are enclosed is ruptured or undergoes MEMBRANE FUSION. (From Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed). Autolysosome,Autolysosomes,Lysosome
D008297 Male Males
D011788 Quality of Life A generic concept reflecting concern with the modification and enhancement of life attributes, e.g., physical, political, moral, social environment as well as health and disease. HRQOL,Health-Related Quality Of Life,Life Quality,Health Related Quality Of Life
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003543 Cysteamine A mercaptoethylamine compound that is endogenously derived from the COENZYME A degradative pathway. The fact that cysteamine is readily transported into LYSOSOMES where it reacts with CYSTINE to form cysteine-cysteamine disulfide and CYSTEINE has led to its use in CYSTINE DEPLETING AGENTS for the treatment of CYSTINOSIS. Cysteinamine,Mercaptamine,2-Aminoethanethiol,Becaptan,Cystagon,Cysteamine Bitartrate,Cysteamine Dihydrochloride,Cysteamine Hydrobromide,Cysteamine Hydrochloride,Cysteamine Maleate (1:1),Cysteamine Tartrate,Cysteamine Tartrate (1:1),Cysteamine Tosylate,Cysteamine, 35S-Labeled,Mercamine,Mercaptoethylamine,beta-Mercaptoethylamine,2 Aminoethanethiol,35S-Labeled Cysteamine,Bitartrate, Cysteamine,Cysteamine, 35S Labeled,Dihydrochloride, Cysteamine,Hydrobromide, Cysteamine,Hydrochloride, Cysteamine,Tartrate, Cysteamine,Tosylate, Cysteamine,beta Mercaptoethylamine
D003553 Cystine A covalently linked dimeric nonessential amino acid formed by the oxidation of CYSTEINE. Two molecules of cysteine are joined together by a disulfide bridge to form cystine. Copper Cystinate,L-Cystine,L Cystine
D003554 Cystinosis A metabolic disease characterized by the defective transport of CYSTINE across the lysosomal membrane due to mutation of a membrane protein cystinosin. This results in cystine accumulation and crystallization in the cells causing widespread tissue damage. In the KIDNEY, nephropathic cystinosis is a common cause of RENAL FANCONI SYNDROME. Cystine Diathesis,Cystine Disease,Cystine Storage Disease,Cystinoses,Cystinosin, Defect of,Cystinosis, Nephropathic,Lysosomal Cystine Transport Protein, Defect Of,Nephropathic Cystinosis,Cystine Diatheses,Cystine Diseases,Cystine Storage Diseases,Cystinoses, Nephropathic,Defect of Cystinosin,Diatheses, Cystine,Diathesis, Cystine,Nephropathic Cystinoses,Storage Disease, Cystine,Storage Diseases, Cystine
D005198 Fanconi Syndrome A hereditary or acquired form of generalized dysfunction of the PROXIMAL KIDNEY TUBULE without primary involvement of the KIDNEY GLOMERULUS. It is usually characterized by the tubular wasting of nutrients and salts (GLUCOSE; AMINO ACIDS; PHOSPHATES; and BICARBONATES) resulting in HYPOKALEMIA; ACIDOSIS; HYPERCALCIURIA; and PROTEINURIA. De Toni-Debre-Fanconi Syndrome,Lignac-Fanconi Syndrome,Proximal Renal Tubular Dysfunction,Renal Fanconi Syndrome,Adult Fanconi Syndrome,Fanconi Bickel Syndrome,Fanconi Renotubular Syndrome,Fanconi Syndrome with Intestinal Malabsorption and Galactose Intolerance,Fanconi Syndrome without Cystinosis,Fanconi-Bickel Syndrome,Glycogen Storage Disease XI,Glycogenosis, Fanconi Type,Hepatic Glycogenosis with Amino Aciduria and Glucosuria,Hepatic Glycogenosis with Fanconi Nephropathy,Hepatorenal Glycogenosis with Renal Fanconi Syndrome,Idiopathic De Toni-Debre-Fanconi Syndrome,Luder-Sheldon Syndrome,Neonatal De Toni-Debre-Fanconi Syndrome,Primary Toni-Debre-Fanconi Syndrome,Pseudo-Phlorizin Diabetes,Toni-Debre-Fanconi Syndrome,Bickel Syndrome, Fanconi,Diabete, Pseudo-Phlorizin,Diabetes, Pseudo-Phlorizin,Fanconi Syndrome, Adult,Fanconi Syndrome, Renal,Fanconi Type Glycogenosis,Fanconi-Bickel Syndromes,Lignac Fanconi Syndrome,Luder Sheldon Syndrome,Pseudo Phlorizin Diabetes,Pseudo-Phlorizin Diabete,Renotubular Syndrome, Fanconi,Syndrome, Adult Fanconi,Syndrome, Fanconi,Syndrome, Fanconi Bickel,Syndrome, Fanconi Renotubular,Syndrome, Fanconi-Bickel,Syndrome, Lignac-Fanconi,Syndrome, Luder-Sheldon,Syndrome, Renal Fanconi,Syndromes, Fanconi-Bickel

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