Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0038002 (splenomegaly)
 9,873 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Congenital disorder of N-linked deglycosylation (CDDG, MIM 615273) is a very rare autosomal recessive disorder caused by pathogenic variants in the NGLY1 gene. Transient transaminitis is the typical hepatic dysfunction described in these patients, but also included neonatal jaundice, hepatomegaly, splenomegaly, and steatosis. Microscopically, intrahepatic cytoplasmic inclusions and fibrosis are seen. We report a five-year-old male patient who presented a severe episode of acute liver failure (ALF). Exome sequencing identified compound heterozygous pathogenic/likely pathogenic variants in the NGLY1 gene: NM_018297.3:c.1891del, p.(Gln631Serfs*7) in exon 12 and NM_018297.3:c.531dup, p.(Asn178Glnfs*9) in exon 4. Serology for the most frequent viral hepatitis infections, autoimmune panel, and investigations for metabolic or toxic causes were also normal or negative. Hepatic disease resolved favorably after 46 days. Liver function tests and elastography remains normal after a 2-year follow-up. This is the first report of a reversible ALF among patients with NGLY1-CDDG. Although its definitive cause remains unknown, we suggest a direct relation between liver disease and mitochondrial respiratory chain damage in the context of impaired NGLY1 gene function. Further reports are required in order to know the long-term prognosis of ALF in patients with NGLY1-CDDG.
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PMID:Acute liver failure in a male patient with NGLY1-congenital disorder of deglycosylation. 3242 50

Azathioprine is widely used for the treatment of Crohn's disease (CD). Few cases from Western countries have reported idiopathic non-cirrhotic portal hypertension (NCPH) related to thiopurine therapy in patients with inflammatory bowel disease. Idiopathic NCPH is a rare hepatic condition with intrahepatic portal hypertension but no evidence of cirrhosis or chronic liver disease. Patients with idiopathic NCPH present with symptoms of portal hypertension such as thrombocytopenia, splenomegaly and esophageal varices. We report a case of idiopathic NCPH in a 51-year-old male patient with CD who had been taking azathioprine for 5 years. He was admitted due to esophageal variceal bleeding along with splenomegaly and thrombocytopenia. Evaluation of cirrhosis or chronic liver disease showed normal-range results as estimated by FibroScan evaluation, laboratory examination for autoimmune hepatitis or viral hepatitis, and liver biopsy. This case may suggest the need for careful monitoring for manifestations of portal hypertension in Asian patients with inflammatory bowel disease receiving thiopurine treatment.
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PMID:A case of non-cirrhotic portal hypertension related to azathioprine therapy in a patient with Crohn's disease. 3261 Aug 90


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