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Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...
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Cushing Syndrome I: Introduction

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Disorders of the Urinary System

The urinary system is responsible for eliminating waste and excess fluids from the body. However, disorders of the urinary system can arise due to various reasons like infections, stress, age, congenital abnormalities, and lifestyle.
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Nephrotic Syndrome I : Introduction01:24

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A Scalable, Cell-Based Method for the Functional Assessment of Ube3a Variants
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Update on Usher syndrome.

Zubin Saihan1, Andrew R Webster, Linda Luxon

  • 1UCL Institute of Ophthalmology & Moorfields Eye Hospital, London, UK. z.saihan@ucl.ac.uk

Current Opinion in Neurology
|January 27, 2009
PubMed
Summary
This summary is machine-generated.

Usher syndrome research reveals a protein interactome crucial for inner ear hair cell development, though its retinal role is still under investigation. This understanding aids in developing gene therapy and prognosis for Usher syndrome patients.

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Area of Science:

  • Genetics and Molecular Biology
  • Ophthalmology
  • Otolaryngology

Background:

  • Usher syndrome is a genetic disorder causing hearing and vision loss.
  • Phenotypic variation is significant across audiovestibular and visual systems.

Purpose of the Study:

  • To review the mechanisms, genetics, and pathogenesis of Usher syndrome.
  • To highlight recent molecular findings and their implications.

Main Methods:

  • Literature review of recent molecular findings.
  • Analysis of Usher protein interactions.

Main Results:

  • New insights into Usher syndrome pathogenesis and phenotypic variability.
  • Emerging evidence for a protein interactome involving Usher proteins in the inner ear and retina.
  • The interactome's role in inner ear hair cell development is supported, but its retinal function is unclear.

Conclusions:

  • Understanding Usher syndrome's clinical progression and molecular pathways is vital.
  • This knowledge is crucial for developing gene therapy to prevent blindness.
  • Prognostic information for affected individuals can be improved.