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  • NLM标题： Acta Myol
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  • 1.

    【2hr】The accessory deep peroneal nerveand anterior tarsal tunnel syndrome:case report

    包量

    机译 腓深神经和管前综合征：案例报告
    摘要：The accessory deep peroneal (ADPN) nerve has been regarded as an anomalous nerve derived from the superficial peroneal nerve or its branch and supplies motor innervations for extensor digitorum brevis (EDB) and sensory innervations for the lateral part of the ankle and foot regions. The EDB is usually innervated exclusively by the deep peroneal nerve, a major branch of the the common peroneal nerve, however, in as many as 28% of patients (with same male/female frequency), one or both of the EDB muscles are (partially or exclusively) innervated by the ADPN nerve. This anomaly appears to be inherited in autosomal dominant fashion with incomplete gene penetrance. ADPN existence is of great clinical and surgical importance, and the aim of this study is to describe a very rare case of coexistence ADPN and anterior tarsal tunnel syndrome.
  • 2.

    【2hr】Editorial

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    机译 社论
    摘要：
  • 3.

    【2hr】Overlapping syndromes in laminopathies: a meta-analysis of the reported literature

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    机译 椎间盘突出症中的重叠综合征：对所报道文献的荟萃分析
    摘要：Mutations on the LMNA gene are responsible for an heterogeneous group of diseases. Overlapping syndromes related to LMNA gene alterations have been extensively reported. Study scope is to perform a systematic analysis of the overlapping syndromes so far described and to try to correlate the clinical features to the associated genetic alterations. We evaluated all the dominant overlapping syndromes reported by means of a PubMed search and by the analysis of the main databases containing the pathogenic LMNA gene variations and the associated diseases.Metabolic alterations in association to skeletal and/or cardiac alterations proved to be the most frequent overlap syndrome. Overlapping syndromes are mostly associated to inframe mutations in exons 1, 2, 8 and 9. These data further improve the understanding of the pathogenesis of laminopathies.
  • 4.

    【2hr】Advances in basic and clinical researchin laminopathies

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    机译 基础和临床研究进展在拉丁病
    摘要：Lamins (LMNA) are the main proteins of the nuclear lamina considered to be the ancestors of all intermediate filament proteins. They form complex protein assemblies with integral proteins of the inner nuclear membrane, transcriptional regulators, histones and chromatin modifiers. During recent years, interest in lamins has greatly increased due to the identification of many distinct heritable human disorders associated with lamin mutations. These disorders, collectively termed laminopathies, range from muscular dystrophies to premature aging. They may affect muscle, fat, bone, nerve and skin tissues. The workshop was addressed to understand lamin organization and its roles in nuclear processes, mutations in lamins affecting cell and tissues functions, the biology of the nucleus and laminopathic disease mechanisms, all aspects important for designing future therapies.
  • 5.

    【2hr】An Italian kindred with FALS due to c.149TC mutation in the SOD1 gene: case report of an affected family member

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    机译 一名意大利人因SOD1基因中的c.149T C突变而患有FALS：受影响家庭成员的病例报告
    摘要：We report the first Italian kindred with Familial Amyotrophic Lateral Sclerosis (FALS) due to c.149T>C mutation in the exon 5 of superoxide dismutase-1 (SOD1) gene. The proband was a 49-year-old woman who came to our observation because of an history of progressive limbs weakness and gait impairment. She belonged to a family of 24 affected members. The prevalent phenotype of the affected members was characterized by slowly progressive spinal impairment with proximal distribution of weakness, and bulbar involvement in advanced stages. We briefly reviewed the few previous reports about the same SOD1 mutation and discussed the hypothesis that structural instability of the mutant codon 149 protein may underlie some toxic effects significantly involved in FALS pathogenesis.
  • 6.

    【2hr】A heroin addict with focal weakness

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    机译 海洛因依赖者有局灶性弱点
    摘要：A 24-year-old female with 5 year history of heroin abuse experienced painless stiffness of elbow joints and weakness of shoulder and upper limb muscles. She was injecting herself 4-6 times daily alternatively in the upper extremities, sparing the lower limbs. Electromyography (EMG) showed myopathic changes in clinically affected and unaffected muscles. Magnetic resonance imaging (MRI) revealed muscle fibrosis in directly injected muscles, whereas in subcutaneous fat and within muscles of anterior and posterior compartments of both thighs, not directly injected, there were signal changes supportive of oedema and inflammation. EMG and MRI were congruent in showing abnormalities in muscles not directly injected, suggesting long distant effects of heroin or adulterants with a mechanism either toxic or immunologically mediated.
  • 7.

    【2hr】Improving the course of muscular dystrophy?

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    机译 改善肌肉营养不良的病程？
    摘要：
  • 8.

    【2hr】The heart and cardiac pacingin Steinert disease

    包量

    机译 心脏和心脏起搏斯坦纳特病
    摘要：Myotonic dystrophy (Dystrophia Myotonica, DM) is the most frequently inherited neuromuscular disease of adult life. It is a multisystemic disease with major cardiac involvement. Core features of myotonic dystrophy are myotonia, muscle weakness, cataract, respiratory failure and cardiac conduction abnormalities. Classical DM, first described by Steinert and called Steinert's disease or DM1 (Dystrophia Myotonica type 1) has been identified as an autosomal dominant disorder associated with the presence of an abnormal expansion of a CTG trinucleotide repeat in the 3' untranslated region of DMPK gene on chromosome 19. This review will mainly focus on the various aspects of cardiac involvement in DM1 patients and the current role of cardiac pacing in their treatment.
  • 9.

    【2hr】Survival in Duchenne muscular dystrophy

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    机译 杜氏肌营养不良症的生存
    摘要：Objective:To determine the survival in a population of German patients with Duchenne muscular dystrophy.
  • 10.

    【2hr】Improvement of survival in DuchenneMuscular Dystrophy: retrospective analysisof 835 patients

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    机译 改善杜兴的生存肌营养不良：回顾性分析835名患者中
    摘要：Duchenne Muscular Dystrophy (DMD) is the most common muscle disease in children. Historically, DMD results in loss of ambulation between ages 7 and 13 years and death in the teens or 20s. In order to determine whether survival has improved over the decades and whether the impact of nocturnal ventilation combined with a better management of cardiac involvement has been able to modify the pattern of survival, we reviewed the notes of 835 DMD patients followed at the Naples Centre of Cardiomyology and Medical Genetics from 1961 to 2006. Patients were divided, by decade of birth, into 3 groups: 1) DMD born between 1961 and 1970; 2) DMD born between 1971 and 1980; 3) DMD born between 1981 and 1990; each group was in turn subdivided into 15 two-year classes, from 14 to 40 years of age. Age and causes of death, type of cardiac treatment and use of a mechanical ventilator were carefully analyzed.The percentage of survivors in the different decades was statistically compared by chi-square test and Kaplan-Meier survival curves analyses. A significant decade on decade improvement in survival rate was observed at both the age of 20, where it passed from 23.3% of patients in group 1 to 54% of patients in group 2 and to 59,8% in patients in group 3 (p < 0.001) and at the age of 25 where the survival rate passed from 13.5% of patients in group 1 to 31.6% of patients in group 2 and to 49.2% in patients in group 3 (p < 0.001).The causes of death were both cardiac and respiratory, with a prevalence of the respiratory ones till 1980s. The overall mean age for cardiac deaths was 19.6 years (range 13.4-27.5), with an increasing age in the last 15 years. The overall mean age for respiratory deaths was 17.7 years (range 11.6-27.5) in patients without a ventilator support while increased to 27.9 years (range 23-38.6) in patients who could benefit of mechanical ventilation.This report documents that DMD should be now considered an adulthood disease as well, and as a consequence more public health interventions are needed to support these patients and their families as they pass from childhood into adult age.
  • 11.

    【2hr】The impact of permanent muscle weaknesson quality of life in periodic paralysis:a survey of 66 patients

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    机译 永久性肌肉无力的影响关于周期性麻痹的生活质量：对66位患者的调查
    摘要：The periodic paralyses are hereditary muscle diseases which cause both episodic and permanent weakness. Permanent weakness may include both reversible and fixed components, the latter caused by fibrosis and fatty replacement. To determine the degree of handicap and impact of permanent weakness on daily life, we conducted a 68-question online survey of 66 patients over 41 years (mean age, 60 ± 14 years). Permanent weakness occurred in 68%, muscle pain in 82% and muscle fatigue in 89%. Eighty-three percent of patients reported themselves as moderately to very active between ages 18-35. At the time of the survey only 14% reported themselves as moderately to very active. Contrary to the literature, only 21% of patients reported decreased frequency of episodic weakness with increased age. Sixty-seven percent had incurred injuries due to falls. Mobility aids were required by 49%. Strength increased in 49% of patients receiving professional physiotherapy and in 62% performing self-managed exercise routines. A decline of strength was observed by 40% with professional and by 16% with self-managed exercise routine, suggesting that overworking muscles may not be beneficial. There is an average of 26 years between age at onset and age at diagnosis indicating that diagnostic schemes can be improved. In summary our data suggests that permanent muscle weakness has a greater impact on the quality of life of patients than previously anticipated.
  • 12.

    【2hr】TARDBP mutations are not a frequent causeof ALS in Finnish patients

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    机译 TARDBP突变不是常见原因芬兰患者的ALS患病率
    摘要：In previous studies 1-3 % of ALS patients have TARDBP mutations as the cause of the disease. TARDBP mutations have been reported in ALS patients in different populations but so far there are no studies on the frequency of TARDBP mutations in Finnish ALS patients. A cohort of 50 Finnish patients, 44 SALS and 6 FALS patients, were included in the study. Genomic DNA was extracted from venous blood or muscle tissue and a mutation analysis of TARDBP was performed. No definitely pathogenic mutations could be identified in TARDBP in our patient cohort. However, two previously unknown variations were found: one silent mutation in exon 2 and one relatively deep intronic single nucleotide insertion in intron 5. In addition, two previously known non-pathogenic polymorphisms in intron 5 were detected. The size of our cohort is obviously not large enough to conclusively exclude TARDBP mutations as a very rare cause of ALS in Finland. However, based on our results TARDBP mutations do not appear to be a frequent cause of familial or sporadic ALS in Finland.
  • 13.

    【2hr】Right atrial preference pacing algorithmin the prevention of paroxysmal atrialfibrillation in myotonic dystrophy type 1patients: a long term follow-up study

    包量

    机译 右心房起搏算法预防阵发性心房1型强直性肌营养不良患者的心律失常患者：长期随访研究
    摘要：Atrial Preference Pacing (APP) is a pacemaker (PM) algorithm that works by increasing the atrial pacing rate to achieve continuous suppression of a spontaneous atrial rhythm and prevent supraventricular tachyarrhythmias. We have previously shown that atrial preference pacing may significantly reduce the number and the duration of AF episodes in myotonic dystrophy type 1 (DM1) patients who are paced for standard indications.However, the role that APP therapies play in the prevention of AF in a long-term period remains still unclear. Aim of the present prospective study was to evaluate whether this beneficial effect is maintained for 24-months follow-up period.To this aim, 50 patients with Myotonic Dystrophy type 1 who underwent dual-chamber PM implantation for first- and second- degree atrioventricular block, were consecutively enrolled and followed for 2 years. One month later the stabilization period, after the implantation, they were randomized to APP algorithm programmed OFF or ON for 6 months each, using a cross-over design, and remained in the same program for the second year. The results showed that while the number of AF episodes during active treatment (APP ON phases) was lower than that registered during no treatment (APP OFF phases), no statistically significant difference was found in AF episodes duration between the two phases. Furthermore, during the APP OFF and APP ON phases, the percentage of atrial pacing was 0 and 99%, respectively, while the percentage of ventricular pacing did not show differences statistically significant (11 vs. 9%, P = 0.2). Atrial premature beats were significantly higher during APP OFF phases than during APP ON phases. Lead parameters remained stable over time and there were no lead-related complications. Based on these 24-months follow-up data, we can conclude that, in DM1 patients who underwent dual-chamber PM implantation, APP is an efficacy algorithm for preventing paroxysmal AF even in long term periods.
  • 14.

    【2hr】ClC1 chloride channel in myotonic dystrophytype 2 and ClC1 splicing in vitro

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    机译 ClC1氯离子通道在肌强直性营养不良中的作用2型和ClC1体外剪接
    摘要：Myotonic dystrophy type 2 (DM2) is caused by CCTG-repeat expansions. Occurrence of splicing and mutations in the muscle chloride channel gene CLCN1 have been reported to contribute to the phenotype. To examine the effect of CLCN1 in DM2 in Germany, we determined the frequency of a representative ClC1 mutation, R894X, and its effect on DM2 clinical features. Then, we examined CLCN1 mRNA splice variants in patient muscle functionally expressed the most abundant variant, and determined its subcellular localization. Finally, we established a cellular system for studying mouse clcn1 pre-mRNA splicing and tested effects of expression of (CCUG)18, (CUG)24 and (AAG)24 RNAs. The R894X mutation was present in 7.7% of DM2 families. DM2 R894X-carriers had more myotonia and myalgia than non-carriers. The most abundant CLCN1 splice variant in DM2 (80% of all transcripts) excluded exons 6-7 and lead to a truncated ClC1236X protein. Heterologous ClC1236X expression did not yield functional channels. Co-expression with ClC1 did not show a dominant negative effect, but a slightly suppressive effect. In C2C12 cells, the clc1 splice variants generated by (CCUG)18-RNA resembled those in DM2 muscle and differed from those generated by (CUG)24 and (AAG)24. We conclude that ClC1 mutations exert gene dose effects and enhance myotonia and pain in DM2 in Germany. Additionally, the ClC1236X splice variant may contribute to myotonia in DM2. Since splice variants depend on the types of repeats expressed in the cellular C2C12 model, similar cell models of other tissues may be useful for studying repeatdependent pathogenetic mechanisms more easily than in transgenic animals.
  • 15.

    【2hr】Cardiac resynchronization improvesheart failure in one patient with MyotonicDystrophy type 1. A case report

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    机译 心脏再同步改善一名强直性患者心力衰竭1型营养不良
    摘要：We report an improvement in symptoms of heart failure, a reduced left ventricular dysfunction and induced reverse remodelling in one patient with Myotonic Dystrophy type 1, showing an early onset ventricular dysfunction secondary to a complete left bundle branch block (LBBB) who underwent cardioverter defibrillator CRT (ICD- CRT) implantation.
  • 16.

    【2hr】Introducing corticosteroids therapyfrom 1969 to 1990 at the Centre/Institutefor Neuromuscular Diseases KBC RebroZagreb Croatia

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    机译 皮质类固醇疗法介绍从1969年到1990年在中心/研究所用于KBC Rebro的神经肌肉疾病克罗地亚萨格勒布
    摘要：The author presents the chronological development of therapy by corticosteroids in myasthenia gravis (MG), as well as dilemmas connected to this kind of treatment at the Centre/Institute Zagreb, she founded. The improvement of postoperative prognosis of thymectomy with corticosteroids is described and transfer of positive experiences to other neurological diseases. The side effects can be reduced significantly by respecting the basic rules: the choice of corticosteroids (fluocortolone, methyprednisolone, no dexamethasone), single dose administered in the morning, not later than 8 a.m. (respecting the circadian rhythm of concentration of cortisol in blood). Initially, the high dose is administered daily, until the stabilisation of signs and symptoms improvement. Then, in my early modification, the initial dose, administered every other day, becames gradually lowered. The diet is similar to diabetic, with the potassium added. In the period from 1973 to 1990, 212 myasthenia gravis and 37 polymyositis patients were treated that way.We recommend to continue endocrinological research, on which we already reported, now with contemporary methods. The value of the "pulse therapy" should be analysed in more details, with peroral corticosteroids added afterwards.
  • 17.

    【2hr】On nosological place of facioscapuloperoneal(or facioscapulolimb type 2)4q35-linked muscular dystrophy

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    机译 在面肩肱骨的鼻咽部（或facioscapulolimb类型2）4q35相关的肌营养不良症
    摘要：
  • 18.

    【2hr】Editorial

    包量

    机译 社论
    摘要：
  • 19.

    【2hr】Long-term ventilation of patients with Duchenne muscular dystrophy: experiences at the Neuromuscular Centre Ulm

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    机译 杜兴氏肌营养不良症患者的长期通气：乌尔姆神经肌肉中心的经验
    摘要：The various measures used to treat the symptoms of Duchenne muscular dystrophy (DMD), i.e. medication with steroids, early operation on contractures and spine deformities as well as cardiac diagnostics and therapy, should always be accompanied by careful monitoring of the patient's respiratory status. Therapy for respiratory failure, in particular long-term ventilation, is now generally accepted as essential for DMD patients. The provision of assisted ventilation has made a decisive contribution to the quality of life for older patients and the stigma hitherto attached to it as being merely a means of keeping a patient comfortable towards the end of life has now been dispelled. Even outside the hospital, assisted ventilation has become routine. These days it is not uncommon for patients on assisted ventilation to have their life extended by 10 years or more.Non-invasive ventilation is sufficient if used concomitantly with coughing aids. Before undergoing orthopaedic surgery the patient' s respiratory status has to be carefully assessed in order to minimize the risk of perioperative complications. Feeding and swallowing problems may develop if the patient has a scoliosis of the cervical spine region, even if he has had thoraco-lumbar spine surgery. There is still insufficient awareness of this potential problem in relation to respiratory care.Interdisciplinary collaboration between hospitals, general practitioners, muscle and respiratory centres, as well as advocacies and self-help groups is vital. The administration of aids to support DMD patients is now facilitated by guidelines drawn up by several centres of excellence. Here we mainly describe the historic development of respiratory care at the Ulm Neuromuscular Centre.
  • 20.

    【2hr】Risk assessment and genetic counseling in families with Duchenne muscular dystrophy

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    机译 杜氏肌营养不良症家庭的风险评估和遗传咨询
    摘要：The Duchenne Muscular dystrophy (DMD) is the most frequent muscle disorder in childhood caused by mutations in the Xlinked dystrophin gene (about 65% deletions, about 7% duplications, about 26% point mutations and about 2% unknown mutations). The clinically milder Becker muscular dystrophy (BMD) is allelic to DMD. About 33% of all patients are due to de novo mutations and germ line mosaicism is frequently observed. While in earlier studies equal mutation rates in males and females had been reported, a breakdown by mutation types can better explain the sex ratio of mutations: Point mutations and duplications arise preferentially during spermatogenesis whereas deletions mostly arise in oogenesis.With current analytical methods, the underlying mutation can be identified in the great majority of cases and be used for carrier detection. However, in families with no mutation carrier available, the genetic model to be used for counselling of relatives can be quite complex.
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