Presentation
At present, the genetic classification is becoming too complex, since the acronym LGMD has also been used for a number of other myopathic disorders with overlapping phenotypes. [ncbi.nlm.nih.gov]
It usually presents within the first decade of life. The most common presenting complaint is primarily myalgia, followed by ‘rippling muscles’ and proximal muscle weakness [ 68 ]. [content.iospress.com]
Patients with an onset in the early teens, show a more severe phenotype with a rapid disease course, while adult onset patients present a slower course. [archive.org]
Fig. 3 Resting CD4 + T-cell stimulation following co-culture with antigen presenting cells. [retrovirology.biomedcentral.com]
Tent-shaped mouth as a presenting symptom of congenital myotonic dystrophy. Ultrasound Obstet Gynecol. 2002;20:312–3. PubMed CrossRef Google Scholar 31. Sarnat HB, O’Connor T, Byrne PA. [doi.org]
Musculoskeletal
- Myopathy
Congenital myopathy with cores Congenital myopathy with excess of thin filaments Congenital myopathy with internal nuclei and atypical cores Congenital myopathy with myasthenic-like onset Congenital myopathy, Paradas type Congenital nemaline myopathy [se-atlas.de]
Neuromuscular Disorders Amyotrophic Lateral Sclerosis (ALS) Ataxia Ataxia-Oculomotor Apraxia CADASIL Charcot Marie Tooth Coenzyme Q10 Deficiency Collagenopathy Congenital Myopathies Congenital Myopathy Distal Hereditary Myopathy Dystonia Dystrophinopathies [preventiongenetics.com]
Early onset collagen VI myopathies: genetic and clinical correlations. Ann Neurol. 2010;68:511–20. PubMed CrossRef Google Scholar 76. Bonnemann CG. The collagen VI-related myopathies: muscle meets its matrix. Nat Rev Neurol. 2011;7:379–90. [doi.org]
The gene was identified in 2000 (6), but myotilin mutations have been rather associated with my- ofibrillar myopathy. [archive.org]
- Proximal Muscle Weakness
muscle weakness with childhood onset, resulting in gait abnormalities and scapular winging. [genecards.org]
Heterogeneity is seen between subtypes in presenting complaint, most but not all, experience proximal muscle weakness or myalgia. [content.iospress.com]
LGMDIC is characterized by an onset usually in the first decade, a mild-to-moderate proximal muscle weakness, calf hypertrophy, positive Gower sign, and variable muscle cramps after exercise. [archive.org]
Treatment
treatment articles: Treatments for Muscular Dystrophy Treatments for Limb-girdle muscular dystrophy Causes See also causal information: Causes of Muscular Dystrophy Causes of Limb-girdle muscular dystrophy Similar Topic Articles Muscular dystrophy-dystroglycanopathy [familydiagnosis.com]
Following natural history data collection, the next challenge is to develop more effective, disease specific treatments. Current management is focussed on symptomatic and supportive treatments. [content.iospress.com]
Oxidative stress in SEPN1-related myopathy: from pathophysiology to treatment. Ann Neurol. 2009;65:677–86. PubMed CrossRef Google Scholar 83. Ferreiro A, Quijano-Roy S, Pichereau C, et al. [doi.org]
T-cell proliferation following co-culture and SEB treatment was highest with CD1c + DC and lowest with B-cells (Fig. 3 b), confirming previous observations by others [ 26 ]. [retrovirology.biomedcentral.com]
Epidemiology
Genetic epidemiology of congenital muscular dystrophy in a sample from north-east Italy. Hum Genet. 1996;97:277–9. PubMed CrossRef Google Scholar 62. Hughes MI, Hicks EM, Nevin NC, Patterson VH. [doi.org]
Classification and epidemiology All form of LGMD are inherited autosomally and the classification is alphanumeric with assignation of number ‘1’ or ‘2’ depending on whether they are inherited dominantly or recessively. [content.iospress.com]
Pathophysiology
Oxidative stress in SEPN1-related myopathy: from pathophysiology to treatment. Ann Neurol. 2009;65:677–86. PubMed CrossRef Google Scholar 83. Ferreiro A, Quijano-Roy S, Pichereau C, et al. [doi.org]
Prevention
The integrase inhibitor, L8, prevented any progression of pre-integration complexes to integration and inhibited secondary rounds of infection. [retrovirology.biomedcentral.com]
Efforts should be focussed on prevention of contractures and orthopaedic referral where necessary [ 111 ]. Non maximal aerobic exercise should beencouraged. Respiratory failure is a feature of many types of LGMD. [content.iospress.com]