Related Experiment Video
Updated: Aug 13, 2026
09:43
Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
Published on: June 8, 2022
[Non SLE connective tissue diseases: general aspects and kidney]
A Doria1, E Sabadini, R A Sinico
1Cattedra e Divisione di Reumatologia, Universita' di Padova, Padova. adoria@unipd.it
Summary
Connective tissue diseases involve inflammation and immune system abnormalities. Systemic sclerosis and Sjogren's syndrome are key examples, impacting multiple organs and requiring specific treatments for better survival rates.
Area of Science:
- Rheumatology and Immunology
- Pathophysiology of autoimmune disorders
Context:
- Connective tissue diseases (CTDs) are a diverse group of disorders.
- Common features include inflammation of connective tissues and immune dysregulation.
- Overlap in clinical manifestations is frequent, complicating diagnosis.
Purpose:
- To summarize key features and complications of major CTDs.
- To highlight the renal manifestations and treatment outcomes in specific CTDs.
- To underscore the importance of early intervention in conditions like scleroderma crisis.
Summary:
- Systemic sclerosis (SSc) affects multiple organs, with vascular lesions prominent in renal involvement. Scleroderma crisis, a severe complication, shows improved survival with ACE inhibitors.
- Sjogren's syndrome involves lymphocytic destruction of exocrine glands, leading to dryness; renal manifestations include interstitial infiltrates.
- Renal involvement is uncommon in polymyositis and dermatomyositis.
Impact:
- Early diagnosis and treatment of CTDs, particularly scleroderma crisis with ACE inhibitors, can significantly improve patient survival.
- Understanding the distinct and overlapping features of CTDs aids in clinical management.
- Highlights the specific renal pathologies associated with SSc and Sjogren's syndrome.
Related Concept Videos
01:24Nephrotic Syndrome I : Introduction
Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of fluid...
01:22Connective Tissue Cell Types
Connective tissue develops from the mesoderm of a developing embryo and consists of cells, fibers, and ground substance: a gel-like material containing large complexes of carbohydrates and proteins. Connective tissue was first identified as a separate tissue family in the 18th century, and Johannes Peter Muller coined the term connective tissue.
Fat cells (adipocytes), smooth muscle cells (myoblasts), and bone cells (osteoblasts) are some connective tissue cell types. Some immune system cells...
Fat cells (adipocytes), smooth muscle cells (myoblasts), and bone cells (osteoblasts) are some connective tissue cell types. Some immune system cells...
01:28Kidney Transplant I: Introduction
A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
01:10Nephrons
The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma happens...
01:25Chronic Kidney Disease I: Introduction
Chronic Kidney Disease (CKD) arises when the kidneys progressively lose their ability to function, ultimately leading to end-stage renal disease. At this advanced stage, the kidneys can no longer filter waste or maintain essential body functions, requiring renal replacement therapy (RRT) through dialysis or a kidney transplant for survival.Early-stage chronic kidney disease and detection challengesIn CKD's early stages, symptoms often remain absent because healthy nephrons compensate for...
01:26Nephrotic 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...