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Related Experiment Video

Updated: Feb 17, 2026

Determining Bile Duct Density in the Mouse Liver

Determining Bile Duct Density in the Mouse Liver

Published on: April 30, 2019

Alagille Syndrome: An Overview.

Neonatal Network : NN

|November 30, 2017

Summary

Alagille syndrome (AGS) is a rare genetic disorder affecting multiple organs, primarily the liver and heart. Early genetic testing in infants with specific symptoms can improve outcomes.

Area of Science:

Genetics
Pediatrics
Hepatology

Background:

Alagille syndrome (AGS) is a complex, autosomal dominant disorder.
It stems from defects in the Notch signaling pathway.
AGS impacts multiple organ systems, notably the liver and heart.

Purpose of the Study:

To discuss the clinical features of Alagille syndrome.
To outline the management strategies for AGS.
To highlight the importance of early diagnosis in infants.

Main Methods:

Review of clinical features associated with Alagille syndrome.
Discussion of diagnostic considerations, including genetic testing.
Overview of current management approaches for affected infants and children.

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Culture of Small Colony Variant of Pseudomonas aeruginosa and Quantitation of its Alginate

Culture of Small Colony Variant of Pseudomonas aeruginosa and Quantitation of its Alginate

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Main Results:

AGS presents with liver disease (paucity of bile ducts, cholestasis), cardiac defects (e.g., pulmonary stenosis), and other anomalies (vertebral, ocular, vascular).
Variable expression is common, even within families.
Persistent hyperbilirubinemia and cardiac defects in NICU infants warrant consideration for AGS genetic testing.

Conclusions:

Early detection and diagnosis of Alagille syndrome are crucial for improving patient outcomes.
Genetic testing should be considered for high-risk infants.
Comprehensive management addressing multisystem involvement is essential.