Cytokines and the pathogenesis of myasthenia gravis.

abstract：:Mitochondrial preparations derived from denervated rat skeletal muscle and paired control muscle are characterized with respect to their oxidative and phosphorylative capacities. Our data indicate that there is an impairment within the first 2 energy coupling regions of the respiratory chain and within the ATPase comp...

journal_title：Muscle & nerve

authors： Joffe M,Savage N,Isaacs H

更新日期：1981-11-01 00:00:00

abstract：:To determine which sensory nerve conduction studies (S-NCS) are helpful in detecting supraclavicular axon loss brachial plexopathies, we selected 53 cases (of 417 reviewed) in whom complicating factors were absent and which, by needle electrode examination findings, involved only a single "truncal" element (upper, mid...

journal_title：Muscle & nerve

authors： Ferrante MA,Wilbourn AJ

更新日期：1995-08-01 00:00:00

abstract：:To determine the contributions of neural and mechanical mechanisms to the limits in the range of motion (ROM) about a joint, we studied the effects of 30 sessions of static stretch training on the characteristics of the plantar-flexor muscles in 12 subjects. Changes in the maximal ankle dorsiflexion and the torque pro...

journal_title：Muscle & nerve

authors： Guissard N,Duchateau J

更新日期：2004-02-01 00:00:00

abstract：:Peripheral nerve lesions are sometimes associated with focal dystonia. We diagnosed ulnar neuropathy in 28 of 73 (40%) cases of occupational cramp in musicians. Focal slowing of ulnar conduction across the elbow was identified in 15 of 19 (79%) patients using the near nerve technique and in 5 of 17 (29%) patients usin...

journal_title：Muscle & nerve

authors： Charness ME,Ross MH,Shefner JM

更新日期：1996-04-01 00:00:00

abstract：:We report a patient who experienced progressive diplopia and distal weakness of the upper limbs. Magnetic resonance imaging of the brain showed extensive white matter lesions and analysis of cerebrospinal fluid revealed acute human T-lymphotropic virus type I (HTLV-I) infection. Myasthenia gravis (MG) was evidenced by...

journal_title：Muscle & nerve

authors： Lalive PH,Allali G,Truffert A

更新日期：2007-04-01 00:00:00

abstract：:We measured distal sympathetic and vagal function in 73 consecutive patients with diabetic neuropathy seen at the Mayo Autonomic Reflex Laboratory. Postganglionic sympathetic failure measured proximally within the foot occurred as commonly as vagal failure (58% and 55%, respectively) and occurred much more frequently ...

journal_title：Muscle & nerve

authors： Low PA,Zimmerman BR,Dyck PJ

更新日期：1986-09-01 00:00:00

abstract：:Adult skeletal muscle fibers are among the few cell types that are truly multinucleated. Recently, evidence has accumulated supporting a role for the modulation of myonuclear number during muscle remodeling in response to injury, adaptation, and disease. These studies have demonstrated that muscle hypertrophy is assoc...

journal_title：Muscle & nerve

authors： Allen DL,Roy RR,Edgerton VR

更新日期：1999-10-01 00:00:00

abstract：:Skeletal muscle involvement can occur at all stages of human immunodeficiency virus (HIV) infection, and may represent the first manifestation of the disease. Myopathies in HIV-infected patients are classified as follows: (1) HIV-associated myopathies and related conditions, including HIV polymyositis, inclusion-body ...

journal_title：Muscle & nerve

authors： Authier FJ,Chariot P,Gherardi RK

更新日期：2005-09-01 00:00:00

abstract：:Myasthenia gravis (MG) exacerbations may be triggered by infections.In the winter of 2009/2010, the Israeli Ministry of Health recommended that each individual with a chronic condition be vaccinated against both the seasonal influenza and the H1N1 virus. We examined vaccination practices in 74 MG patients. Only 38 pat...

journal_title：Muscle & nerve

authors： Auriel E,Regev K,Dori A,Karni A

更新日期：2011-06-01 00:00:00

abstract：:Although conduction block indicates dysfunction of peripheral nerve, it may occur in patients with clinically typical motor neuron disease. There are no universally accepted criteria to identify conduction block, so diagnosis may be difficult. In some peripheral neuropathies, conduction block persists over long period...

journal_title：Muscle & nerve

authors： Lange DJ,Trojaborg W,McDonald TD,Blake DM

更新日期：1993-09-01 00:00:00

abstract：:We studied histopathological changes in the biceps brachii muscle in relation to age and the degree of muscle weakness in 64 patients (aged 11-59 years) with myotonic dystrophy. The proportion of type 1 fibers was unaltered in the adolescent patients compared with control values, but increased with age. The average di...

journal_title：Muscle & nerve

authors： Tohgi H,Kawamorita A,Utsugisawa K,Yamagata M,Sano M

更新日期：1994-09-01 00:00:00

abstract：:To better define electrophysiological abnormalities in myasthenia gravis (MG) patients with muscle-specific tyrosine kinase (MuSK) antibodies (Ab), we compared electrophysiological features of 14 MuSK Ab-positive, 73 acetylcholine receptor antibody (AChR Ab)-positive, and 22 MuSK and AChR Ab-negative (seronegative) pa...

journal_title：Muscle & nerve

authors： Oh SJ,Hatanaka Y,Hemmi S,Young AM,Scheufele ML,Nations SP,Lu L,Claussen GC,Wolfe GI

更新日期：2006-04-01 00:00:00

abstract：:Muscle biopsy and computerized tomography indicated that unilateral enlargement of the gastrocnemius muscle in a 12-year-old girl was the result of an infiltrating lipoma. This rare condition may cause diagnostic confusion before EMG and muscle biopsy studies are performed, but it can be readily distinguished from oth...

journal_title：Muscle & nerve

authors： Fetell MR,Duffy PE,Rowland LP

更新日期：1978-01-01 00:00:00

abstract：:Nine patients with adult-onset acid maltase deficiency (Pompe's disease) were examined clinically and with computed tomography (CT). The CT scan showed early and severe involvement of the muscles of trunk and thighs, with selective sparing of the tensor fasciae latae, short head of biceps femoris, gracilis, and sartor...

journal_title：Muscle & nerve

authors： de Jager AE,van der Vliet TM,van der Ree TC,Oosterink BJ,Loonen MC

更新日期：1998-03-01 00:00:00

abstract：:The intramembrane particle (IMP) profile of control and dystrophic (Bio 14.6) hamster cardiac muscle plasma membrane was assessed in freeze-fracture replicas to determine whether this animal model of muscular dystrophy exhibits the same membrane characteristics found in skeletal muscle from other more thoroughly studi...

journal_title：Muscle & nerve

authors： Graham KA,Shivers RR,Atkinson BG

更新日期：1984-09-01 00:00:00

abstract：:Muscle-derived neurotrophins are thought to contribute to the adaptation of skeletal muscle to exercise, but the effects of brief exercise interventions on BDNF, NT-4/5, and trkB are not understood. RNA was extracted for RT-PCR from soleus and medial gastrocnemius of Sprague-Dawley rats exercised on a treadmill at spe...

journal_title：Muscle & nerve

authors： Ogborn DI,Gardiner PF

更新日期：2010-03-01 00:00:00

abstract：:To obtain normative muscle morphology data on a healthy population recruited from a population survey, we examined vastus lateralis biopsies from 58 men and 33 women, aged 26-67 years. Biopsies were measured with automated, computer-aided techniques. Data were analyzed according to gender and age, and the influence of...

journal_title：Muscle & nerve

authors： Toft I,Lindal S,Bønaa KH,Jenssen T

更新日期：2003-07-01 00:00:00

abstract：:Statins can induce necrotizing or inflammatory myopathies in some patients. Increased major histocompatibility complex class I (MHC I) expression has been shown in muscle biopsies of statin-induced myopathy. Therefore, we investigated the effect of statins on the expression of MHC I in muscle cells. Using flow cytomet...

journal_title：Muscle & nerve

authors： Singh P,Kohr D,Kaps M,Blaes F

更新日期：2010-02-01 00:00:00

abstract：:Immersion of rat hemidiaphragms in Ca2+-free Krebs solution (KS) containing Ca2+ chelator in vitro leads to separation of basal lamina from the plasma membrane, as well as transient contracture and rapid loss of twitch response [calcium paradox (CP) phase 1]. Subsequent immersion in regular KS results in necrosis of m...

journal_title：Muscle & nerve

authors： Soza M,Karpati G,Carpenter S

更新日期：1986-03-01 00:00:00

abstract：:Direct infection of muscle fibers by human T-lymphotropic virus type I (HTLV-I) has recently been reported in a patient with polymyositis infected with both HTLV-I and human immunodeficiency virus (HIV). Coinfections of these viruses are frequently found in the United States. In Kagoshima, Japan, patients with polymyo...

journal_title：Muscle & nerve

authors： Higuchi I,Nerenberg M,Yoshimine K,Yoshida M,Fukunaga H,Tajima K,Osame M

更新日期：1992-01-01 00:00:00

abstract：:Morphological changes of the subneural apparatus (SNA) during denervation and reinnervation are demonstrated using the hamster peroneus longus muscle. One week after nerve section, synaptic grooves (SGs) were more shallow, with lowered sarcoplasmic ridges. After 4 weeks, the whole SNA area was elevated above the sarco...

journal_title：Muscle & nerve

authors： Matsuda Y,Oki S,Kitaoka K,Nagano Y,Nojima M,Desaki J

更新日期：1988-12-01 00:00:00

abstract：:To study noninvasively multiple descending volleys on alpha motoneurons, we used a 30-50% maximum H-reflex in the wrist flexor muscle conditioned by a subthreshold magnetic stimulus of the contralateral motor cortex as a parameter of motoneuronal excitability in seven neurologically healthy subjects. The time interval...

journal_title：Muscle & nerve

authors： van der Linden C,Bruggeman R

更新日期：1993-04-01 00:00:00

abstract：:An adult male with C-7 quadriplegia developed neck pain. Axillary F central latencies were prolonged, and MRI showed a syrinx extending to C-1. After shunting, F latencies normalized. At subsequent follow-up, a rostral syrinx persisted by magnetic resonance imaging (MRI); motor evoked potential (MEP) latencies were pr...

journal_title：Muscle & nerve

authors： Little JW,Robinson LR

更新日期：1992-07-01 00:00:00

abstract：:A 62-year-old woman with axonal Guillain-Barré syndrome developed weakness and urinary retention simultaneously. The retention failed to recover for 10 months even after she regained the ability to walk. The patient exhibited no postural hypotension. Videourodynamics showed that the retention was caused not by the bla...

journal_title：Muscle & nerve

authors： Sakakibara R,Uchiyama T,Tamura N,Kuwabara S,Asahina M,Hattori T

更新日期：2007-01-01 00:00:00

abstract：:Masseter muscle biopsies were obtained from nine patients undergoing orthognatic surgery or surgery for parotid tumors. A detailed enzyme-histochemical and immunocytochemical study of these muscles was performed using antibodies specific to the various isozymes of the myosin heavy chain (MHC) in order to identify the ...

journal_title：Muscle & nerve

authors： Butler-Browne GS,Eriksson PO,Laurent C,Thornell LE

更新日期：1988-06-01 00:00:00

abstract：:We report the case of a 55-year-old man with non-small-cell lung cancer who underwent radiation, chemotherapy with carbotaxol and paclitaxel, and left upper lobe removal 2 years prior to evaluation. He was referred for disabling orthostatic hypotension (113/69 mm Hg supine and 66/47 mm Hg standing after 10 minutes) wi...

journal_title：Muscle & nerve

authors： Peltier AC,Black BK,Raj SR,Donofrio P,Robertson D,Biaggioni I

更新日期：2010-03-01 00:00:00

abstract：:Muscle sodium-channel disorders cover a spectrum of rare myotonic diseases. In a German family with 17 affected individuals in four generations, we identified a heterozygous missense mutation in exon 24 A1481D (c.4442 C>A) of the voltage-gated sodium channel gene (SCN4A) alpha subunit. Phenotypes of 12 family members ...

journal_title：Muscle & nerve

authors： Schoser BG,Schröder JM,Grimm T,Sternberg D,Kress W

更新日期：2007-05-01 00:00:00

abstract：:We investigated factors affecting maximal voluntary torque and the assessment of the level of voluntary drive in the elbow flexor muscles. First, the effective compliance of the system was tested by using single, paired, and trains of four stimuli to measure voluntary activation. At high voluntary torques the response...

journal_title：Muscle & nerve

authors： Allen GM,McKenzie DK,Gandevia SC

更新日期：1998-03-01 00:00:00

abstract：:Ion channels are complex proteins that span the lipid bilayer of the cell membrane, where they orchestrate the electrical signals necessary for normal function of the central nervous system, peripheral nerve, and both skeletal and cardiac muscle. The role of ion channel defects in the pathogenesis of numerous disorder...

journal_title：Muscle & nerve

authors： Kleopa KA,Barchi RL

更新日期：2002-09-01 00:00:00

abstract：:The majority of patients with MELAS syndrome (mitochondrial myopathy, encephalopathy, lactic acidosis, and strokelike episodes) have an A-->G mutation at nucleotide 3243 in mitochondrial transfer (t)RNA. To date there have only been 10 reported cases of MELAS syndrome in patients with a T-->C mutation at position 3271...

journal_title：Muscle & nerve

authors： Tarnopolsky MA,Maguire J,Myint T,Applegarth D,Robinson BH

更新日期：1998-01-01 00:00:00