نتایج جستجو برای: inclusion body myositis
تعداد نتایج: 845562 فیلتر نتایج به سال:
BACKGROUND The incidence of sporadic inclusion body myositis (sIBM) has been much lower in Japanese than in Western populations. Because of a few reports on Asian populations, it is unclear whether the clinical characteristics of sIBM are identical in Caucasian and Japanese patients. METHODS We compared 18 patients with sIBM, divided into 3 groups by age-of-onset, with previous cohort studies...
Cytochrome c oxidase (COX)-deficient fibers and multiple mitochondrial DNA (mtDNA) deletions are frequent findings in sporadic inclusion body myositis (s-IBM). However, the functional impact of these defects is not known. We investigated oxygen desaturation during exercise using the forearm exercise test, accumulation of lactate during exercise using a cycle ergometry test and mitochondrial cha...
AIMS Sporadic inclusion body myositis (sIBM) is the most common late onset muscle disease causing progressive weakness. In light of the lack of effective treatment, we investigated potential causes underlying muscle wasting. We hypothesized that accumulation of mitochondrial respiratory deficiency in muscle fibres may lead to fibre atrophy and degeneration, contributing to muscle mass reduction...
BACKGROUND Sporadic inclusion body myositis (sIBM) is the most prevalent acquired muscle disease in the elderly. sIBM is an intractable and progressive disease of unknown cause and without effective treatment. The etiology of sIBM is still unknown; however, genetic factors, aging, lifestyles, and environmental factors may be involved. The purpose of this study is to elucidate the cross-sectiona...
Inclusion body myositis (IBM), a condition characterised by progressive muscle weakness and inclusion bodies visible on muscle biopsy, is the most common type of myopathy in patients over 50 years of age. However, it is not only under diagnosed but frequently misdiagnosed as polymyositis and hence wrongly treated with steroids. In the evaluation of progressive weakness in older Caucasian males,...
We examined selective autophagy against ubiquitinated protein aggregates in sporadic inclusion body myositis (s-IBM) patients. The form of autophagy requires phosphorylation of serine 403 in p62/SQSTM1 to bind to Lys63-linked ubiquitin and the binding of the p62-ubiquitinated protein conjugates to LC3. In muscle biopsy specimens from 16 s-IBM patients, we compared the distribution of p62 (aa120...
PURPOSE OF REVIEW To review new advances in inclusion body myositis (IBM) and discuss them in light of current knowledge on diagnosis, pathomechanisms, and treatment perspectives. RECENT FINDINGS IBM is a treatment refractory inflammatory myopathy in middle-aged patients that leads to a slow, relentlessly progressive muscle weakness, and atrophy. Recent data collections suggest that mortality...
Sir, Dr Greenberg misinterprets several important aspects of our study, including the scope and applied methodology. Below we have addressed the points raised in his correspondence. This was a proof-of principle molecular clinicopathological study designed to investigate the effect of alemtuzumab on endomysial T cells and disease progression; it was not primarily a trial of clinical efficacy. A...
Inclusion body myositis (IBM) is a slowly progressive myopathy that has not been reported to affect respiratory muscles. It is often refractory to treatment and a muscle biopsy specimen is necessary for the diagnosis. This is a report of a patient with IBM who quickly progressed to respiratory muscle failure requiring intubation.
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