M E Westarp

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OBJECTIVES The most frequent sporadic adult motor neuron disease, amyotrophic lateral sclerosis, affects more men, follows no epidemiologic pattern, and was long considered a pure spinal cord disorder. It now becomes evident that the disease is characterized by spinal, cerebral and extra-neuromuscular changes including B-cellular responses and(More)
In an attempt to verify the possible role of retrovirus in idiopathic amyotrophic lateral sclerosis (ALS), the sera of 21 ALS patients admitted to the Neurological Unit of the Don Gnocchi Foundation in Milan, Italy, and of 9 ALS patients from Ulm University in Germany have been evaluated for the presence of antibodies to the human T-lymphotropic viruses(More)
Successfully inducing differentiation in ectodermal diseases, retinoids harbour considerable therapeutic potential in the treatment of neuroectodermal-neuroepithelial malignancies. The principal tissue retinoid, retinoic acid, can be potently upregulated in vivo by a relatively specific catabolic inhibitor, R75251 (liarozole). Both substances have been(More)
Sporadic amyotrophic lateral sclerosis may be an aetiologically heterogenous disease. We confirmed elevated circulating IgG immune complexes, and altered IgG seroreactivities against human retroviral antigens (HIV-2 and HTLV immunoblots) in overlapping subgroups of patients. Together with preliminary findings of a positive polymerase chain reactivity for(More)
Antisera were raised in rabbits against five synthetic peptides. These peptides have been identified as potentially antigenic epitopes from the sequence of porcine choline acetyltransferase (ChAT) using primary and secondary structure analysis. All five antisera recognized immunoaffinity-purified antigen from porcine brain in an ELISA and on western blots.(More)
Out of 50 patients with sporadic amyotrophic lateral sclerosis (sALS), excluding 8 patients with recent immunosuppressive medication or low total IgG, we examined all available 92 sera of 11 women and 31 men nephelometrically for serum immunoglobulin concentrations including IgG isotypes IgG1-4. Mean serum levels of IgA and IgM remained within references in(More)
Glycogenosis type V (McArdle) was the first myopathy to be enzymatically defined myopathy and has been found in approximately 120 patients. It is characterized by a myophosphorylase defect. In 2 patients with completely missing phosphorylase activity, muscle fiber necrosis and creatinine kinase elevation, we found reproducibly low gammaglobulins and low(More)
Of 25 male and 13 female patients diagnosed as sporadic cases of amyotrophic lateral sclerosis between 1989 and 1992, 17 had reproducible serum antibodies against human foamy virus (HFV = human spuma retrovirus, HSRV). HFV-positive ALS patients had higher IgG3 concentrations than HFV-negatives (P < 0.05) and competed better on maedi-visna retroviral antigen(More)
In 12 patients with amyotrophic lateral sclerosis (ALS) participating in a therapeutic trial with intrathecally applied human fibroblast interferon-beta (IFN-beta) and in 9 untreated ALS patients, we found significantly elevated circulating serum IgG immune complexes (CIC), quantitative immunoglobulin changes, and creatine kinase (CK) elevation; CK reached(More)
Systemic therapy of encephalitis with human interferon-beta regularly causes fever up to more than 41 degrees C. Patients often developed hematological changes, nausea and tachycardia. Analyzing the temperature curves of 13 patients with repeated intrathecal, lumbar instillations of 1.0 x 10(6) IU natural IFN-beta, we found markedly less drug-associated(More)