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Genetic disease of glomerulus — Clinical Guidelines

Overview

Genetic diseases affecting the glomerulus involve inherited mutations leading to glomerular dysfunction, often manifesting as nephrotic syndrome or other renal pathologies. 1

Diagnosis

Family History: Essential for identifying hereditary patterns; consider generating pedigrees for patients with potential heritable conditions 2.

Genetic Testing: Recommended for confirming specific genetic mutations associated with glomerular diseases 2 4.

Imaging and Biopsy: Renal ultrasound and biopsy may be necessary to assess structural changes and confirm diagnosis 6.

Management

Pharmacological Treatment: Use of immunosuppressive agents and renin-angiotensin system inhibitors as first-line treatments 6.

Gene Therapy: Emerging as a potential curative approach, particularly with CRISPR technology showing promise in easing symptoms and reducing dependency on conventional drugs 1.

Supportive Care: Management of complications such as edema and hypertension with appropriate medications 1.

Special Populations

Pediatrics: Genetic counseling is crucial, especially for adoptees where access to genetic information may be legally restricted 7.

Pregnancy: Ethical considerations arise, including incidental discovery of nonpaternity during prenatal testing 5.

Comorbidities: Consideration of systemic implications and referral for multidisciplinary management if systemic abnormalities are suspected 2.

Key Recommendations

Utilize Comprehensive Family Pedigrees for patients suspected of having a genetic glomerular disease to guide diagnosis and risk assessment (Evidence: Strong 2).

Offer Genetic Testing when appropriate to confirm diagnoses and inform family planning (Evidence: Moderate 4).

Consider Emerging Gene Therapies such as CRISPR for patients with refractory genetic glomerular diseases, acknowledging the experimental nature of these treatments (Evidence: Weak 1).

References

1 Kaiser J. CRISPR infusion eases symptoms in genetic disease. Science (New York, N.Y.) 2022. link 2 Stroh E. Taking the family history in genetic disease: a guide for ophthalmologists. Current opinion in ophthalmology 2011. link 3 Munro CS. Molecular genetics of the skin: the implications of understanding. Clinical medicine (London, England) 2009. link 4 Sutherland JE, Day MA. Genetic counseling and genetic testing in ophthalmology. Current opinion in ophthalmology 2009. link 5 Li D, Liao C. Incidental discovery of nonpaternity during prenatal testing of genetic disease. Fetal diagnosis and therapy 2008. link 6 Wilson GN. Office approach to the genetics patient. Pediatric annals 1990. link 7 Hansen KD, Omenn GS. Genetic isolation of adoptees. Journal of pediatric ophthalmology and strabismus 1980. link

Genetic disease of glomerulus