Idiopathic Inflammatory Myopathy

Idiopathic inflammatory myopathy (IIM) is a group of uncommon autoimmune disorders that cause persistent inflammation and weakness in skeletal muscle, with some forms also affecting skin or other organs. In IIM, dysregulated immune responses injure muscle fibers through mechanisms that can include T-cell infiltration, autoantibody production, and complement-mediated damage, disrupting muscle structure and function. Studying IIM in developmental biology helps researchers examine how immune signals interact with myogenesis, muscle maintenance, and regeneration, while patient-derived cells and disease models support investigation of molecular pathways, biomarker development, and treatments aimed at preserving muscle function.

Idiopathic Inflammatory Myopathy - Related Videos

Research

JoVE Journal - Medicine

Clinical Efficacy of an Innovative Multidimensional Traction Therapy in Moderate Adolescent Idiopathic Scoliosis

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2026

This protocol reports a randomized clinical trial that uses the major-curve Cobb angle as the primary structural outcome to evaluate the efficacy of multidimensional traction combined with bracing and mirror-corrective exercises in moderate adolescent idiopathic scoliosis.

Research

JoVE Journal - Medicine
Free Sample

Cell-based Assay Protocol for the Prognostic Prediction of Idiopathic Scoliosis Using Cellular Dielectric Spectroscopy

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Cited by 8 •

2013

A structured protocol is presented for a cell-based assay as a functional test to predict the prognosis of idiopathic scoliosis using cellular dielectric spectroscopy (CDS). The assay can be performed with fresh or frozen peripheral blood mononuclear cells (PBMCs) and the procedure is completed within 4 days.

On-Chip Endothelial Inflammatory Phenotyping

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Cited by 3 •

2012

Microfluidic flow chambers etched by photolithography and fabricated from PDMS are applied to probe functional outcomes associated with EC dysfunction and inflammation. In a representative experiment, the ability of differential shear stress to modulate monocytic cell adhesion to cytokine activated EC monolayers is demonstrated.

A Preclinical Model of Sepsis-Induced Myopathy with Disuse in Mice

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Cited by 4 •

2024

This murine model combines a septic insult with hindlimb muscle disuse to recapitulate the bedridden feature of the typical septic patient. The model represents a significant departure from previous models to study muscle dysfunction in sepsis and is a reproducible approach to addressing therapeutic strategies to treat this condition.

Education

JoVE Core - Anatomy and Physiology

Inflammatory Response

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2024

An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function. Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...

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