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Related Concept Videos

Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
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Nephrotic Syndrome III : Nursing Management01:24

Nephrotic Syndrome III : Nursing Management

Nursing management for nephrotic syndrome adapts as the disease progresses, with strategies evolving to address advancing symptoms and complications.Early-Stage Management In the early stages, nursing interventions for nephrotic syndrome resemble those used in managing acute glomerulonephritis, focusing on symptom monitoring, fluid balance, and managing mild to moderate edema.Vital Signs: Regularly monitor blood pressure, pulse, respiratory rate, and temperature to promptly identify...
Nephrotic Syndrome II : Assessment and Medical Management01:26

Nephrotic Syndrome II : Assessment and Medical Management

IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document any history...
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Glaucoma: Overview

Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...

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Related Experiment Video

Updated: May 8, 2026

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
08:07

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma

Published on: April 12, 2019

Osteopetrosis: Pathogenesis, Clinical Management, and Emerging Therapies.

Simone Donati1, Cinzia Aurilia2, Gaia Palmini3

  • 1Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, 50139, Italy.

Current Osteoporosis Reports
|May 7, 2026
PubMed
Summary

Osteopetrosis, a bone disorder from defective osteoclasts, is diagnosed via imaging and genetic tests. Emerging therapies include gene and regenerative medicine, offering new hope for this rare disease.

Keywords:
Gene therapyNon-coding RNAsOsteopetrosisRANKLiPSCs

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Last Updated: May 8, 2026

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
08:07

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma

Published on: April 12, 2019

Area of Science:

  • * Bone Biology and Genetics
  • * Rare Genetic Diseases
  • * Regenerative Medicine

Background:

  • * Osteopetrosis is a group of rare bone diseases characterized by increased bone density due to impaired osteoclast function.
  • * Clinical severity varies, from lethal infantile forms to milder autosomal dominant types.
  • * Understanding osteoclast biology is crucial for managing this hereditary bone disease.

Purpose of the Study:

  • * To review recent advances in the molecular genetics of osteopetrosis.
  • * To summarize current diagnostic approaches, including genetic testing.
  • * To explore novel and emerging therapeutic strategies for osteopetrosis.

Main Methods:

  • * Review of preclinical findings and recent literature on osteopetrosis.
  • * Analysis of diagnostic tools: radiological, biochemical, and genetic examinations.
  • * Evaluation of current and novel treatment modalities, including HSCT, gene therapy, and iPSCs.

Main Results:

  • * Diagnosis relies on imaging, biochemical tests, and genetic identification of mutations in key osteoclast genes (e.g., TCIRG1, CLCN7).
  • * Current treatments focus on managing complications, with hematopoietic stem cell transplantation (HSCT) as a primary option.
  • * Novel strategies involve gene therapy and induced pluripotent stem cells (iPSCs) to restore osteoclast function.
  • * Epigenetic factors, including non-coding RNAs (ncRNAs), are implicated in osteopetrosis pathophysiology.

Conclusions:

  • * Advances in molecular genetics are improving osteopetrosis diagnosis and understanding.
  • * Hematopoietic stem cell transplantation remains a cornerstone treatment for severe forms.
  • * Gene therapy, iPSC-based strategies, and epigenetic insights offer promising future therapeutic avenues.
  • * Further research into ncRNAs may lead to novel biomarkers and targeted treatments.