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At least 55 records · Page 3Linked to original sources
PubMed2002

A novel missense mutation of AIRE gene in a patient with autoimmune polyendocrinopathy, candidiasis and ectodermal dystrophy (APECED), accompanied with progressive muscular atrophy: case report and review of the literature in Japan.

Autoimmune polyendocrinopathy, candidiasis, and ectodermal dystrophy (APECED) also known as autoimmune polyglandular syndrome type I, is a rare autosomal recessive disorder that results in several autoimmune diseases due to mutations in the AIRE (autoimmune regulator) gene. A 39-year-old female patient developed chronic mucocutaneous candidiasis at 3 yrs, idiopathic hypoparathyroidism at 11 yrs, chronic hepatitis at 23 yrs, Addison's disease and diabetes mellitus type I at 27 yrs. In addition, the patient developed progressive muscular atrophy of unknown etiology at the beginning of the third decade, and is bedridden at the present time. Her grandparents, parents, brother and daughter did not develop any features of APECED, but her father died of hepatoma. Direct sequencing of the AIRE gene revealed a novel missense mutation at exon 1 (R15C), which was identified to be of maternal origin. The other mutation was not found despite repeated sequencing of the whole coding regions. The R15C mutation was not detected in patients with idiopathic hypoparathyroidism (N= 10), idiopathic Addison's disease (N = 3), and normal subjects (N = 55). Although we could not analyze the father's gene, these results suggest that the patient is probably a compound heterozygote of the AIRE gene, in which the other abnormal allele could not be identified by the present analytical method. These data are compatible with the recent review that only one defective allele was detectable in some patients with clinically evident APECED. We found only six Japanese patients compatible with diagnosis of APECED, indicating that this autoimmune disease is extremely rare in our country.

Adult↗
PubMed2001

[Diagnostic progress in spinal muscular atrophy].

Progress of diagnostic methods in recognition of spinal muscular atrophy (SMA), the most common degenerative disease of the nervous system in children has been observed in the last years. It has been proved, that all types of SMA, phenotypically variable Werdnig-Hoffman and Kugelberg-Welander diseases are results of homozygous absence of the telomeric copy of SMN gene located on the long arm of chromosome 5; this discovery was very important for mechanisms investigation. Based on the evolution of SMA diagnostic, the results of diagnostic in 18 children hospitalized in the Department of Pediatric Neurology Collegium Medicum of Jagiellonian University are presented. In the years 1995-1997 the basic procedure for confirming the diagnosis of SMA has been muscle biopsy. Molecular studies introduced in 1998 were a chance for confirmation not only classical, but other than three main clinical SMA phenotypes. The molecular analysis performed in children allowed to confirm diagnosis in 7 patients, showing in 5 cases absence of exon 7 of the SMN gene and in 2 children detecting deletions involving SMN and NAIP genes. In the less typical cases the results of molecular analysis were less definite.

Adolescent↗
PubMed1994

[An adult case of tethered cord syndrome with lipoma and thoraco-lumbar syringomyelia presenting slow progressive muscular atrophy in the lower limbs].

A 23-year-old man developed slowly progressive muscle weakness from the age of 10, followed by paresthesia and urinary disturbance. The physical examination showed bilateral muscular atrophy in the lower limbs and dissociated sensory disturbance below Th8. Although there was normal appearance of spinal X-P, MRI revealed conus medullaris at S2 involved thoraco-lumbar syringomyelia with extramedullary lipoma. After the operation for laminectomy of L5-S2 and untethering without direct surgery for syringomyelia, post-operated MRI exhibited definite shrinkage of the syrinx. It suggested that thoraco-lumbar syringomyelia in the present case was not congenital anomaly, but secondary outcome to tethered cord syndrome.

Adult↗
PubMed2006

Anti-Ma2 associated paraneoplastic neurological syndrome presenting as encephalitis and progressive muscular atrophy.

A 36 year old man with a history of testicular germ cell tumour presented six months after bilateral orchidectomy with progressive amnesia, irritability, vertical gaze palsy, and generalised seizures. Eight months after initial onset of symptoms, he demonstrated a head drop with muscular atrophy of the upper limbs, shoulder girdle, and posterior neck. He reported no sensory disturbances and his sensory examination was normal. The overall clinical presentation was consistent with motor neurone disease. Cerebrospinal fluid analysis revealed mild pleocytosis and increased protein concentration. Serum and cerebrospinal fluid were positive for the anti-Ma2 antibody by western blot analysis and immunostaining. Abnormal high signal in the grey matter was noted in the cervical spinal cord and brain by T2 weighted magnetic resonance imaging (MRI). The patient was treated with corticosteroids, intravenous immunoglobulin, and antiepileptic medication. The patient improved clinically and symptom progression ceased after initiation of treatment. There was complete resolution of the abnormal brain MRI lesions; however, the cervical spinal cord MRI lesion and muscular atrophy remained unchanged. It is suggested that the anti-Ma2 antibody is involved not only in encephalitis, but may also play a role in the cervical spinal cord lesions resulting in a motor neurone disease-like presentation.

Adult↗
PubMed1982

Adult GM2 gangliosidosis masquerading as slowly progressive muscular atrophy: motor neuron disease phenotype.

Ultrastructural and biochemical studies were performed on postmortem material of a 67-year-old woman presenting with proximal muscle weakness in the legs, slurred speech, and mental subnormality. The symptoms began at age 19 and showed extremely slow progression, mimicking progressive muscular dystrophy. A brother suffered from a similar chronic neuromuscular disease, and two sisters died at an early age from unknown "nervous" diseases. Autopsy disclosed abundant lipid accumulation in CNS neurons and severe cerebellar cortical atrophy of the granule cell type. Skeletal muscle showed a terminal stage of denervation atrophy with severe lipomatosis; intrafusal fibers of muscle spindles contained lipid deposits. Complex lamellar cytoplasmic inclusions often resembling membranous cytoplasmic bodies or stacked membranes were seen in cells of the brain. In addition, there were various lipopigment bodies, fingerprint profiles, rare polyglucosan bodies, rodlike structures, and filamentous sheaves, particularly in substantia nigra. Accumulation of gangliosides GM2 and GA2 in the cerebral cortex was demonstrated by thin-layer chromatography. Determination of hexosaminidase activity was not possible (formalin-fixed material). This observation, in addition to the cases reported by Navon et al. [1981] and Johnson [1982], is suggested to represent a new phenotype of adult-onset GM2 gangliosidosis referred to as motor neuron disease phenotype, which can be differentiated from other adult-onset lipidoses and motor neuron disorders. Our paper emphasizes the importance of ultrastructural demonstration of lamellar inclusions for the differential diagnosis of ceroid lipofuscinosis, and the value of biochemical studies in the diagnostic clarification of atypical neuromuscular disorders.

Adult↗