Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0030567 (Parkinson's disease)
 63,064 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The antibody SMI 31, which is directed against a phosphorylated epitope, associated with neurofilaments and recognizes Lewy bodies in brains of patients with Parkinson's disease (Bancher C, Lassmann H, Budka H, Jellinger K, Grundgke-Iqbal I, Iqbal K, Wiche G, Seitelberger F, Wisniewski H: J Neuropathol Exp Neurol 1:81, 1989), decorated in immunofluorescence microscopy Mallory bodies (MBs) present in livers of mice chronically treated with griseofulvin and 3,5-diethoxycarbonyl-1,4-dihydrocollidine. In immunoblots it recognized very acidic MB components in a molecular weight range between 55 and 69.5 kilodaltons in addition to poorly soluble high molecular weight material. Moreover, an antibody to tau protein showed similar reactivities in immunofluorescence microscopy and immunoblotting experiments. Both antibodies also stained MBs in human liver with alcoholic hepatitis. These observations support and extend earlier findings which indicate that several intermediate filament-related cellular inclusion bodies, including MBs, share a variety of morphologic, structural and antigenic features. They also suggest the involvement of tau or tau-like proteins in MB formation.
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PMID:Common epitopes of human and murine Mallory bodies and Lewy bodies as revealed by a neurofilament antibody. 137 Sep 66

A 38-year-old male patient with the juvenile variant of Parkinson's disease, in whom onset had occurred at the age of 24 yr, was autopsied. There were no clear symptoms of pancreatic or hepatic insufficiency during the entire clinical course. The only notable features were a slightly delayed decrease of the blood glucose level in an oral glucose tolerance test, slightly elevated levels of serum alkaline phosphatase and serum lactate dehydrogenase, and episodic loose stools. Autopsy revealed uniform enlargement of the pancreas due to massive fat replacement (lipomatous pseudohypertrophy): the exocrine glandular elements showed marked atrophy and loss, while the islets of Langerhans were preserved. The liver exhibited a histology closely mimicking alcoholic hepatitis associated with the diffuse presence of Mallory bodies (MBs), possibly indicative of a disturbance of protein metabolism. The nervous system showed the diffuse presence of Lewy bodies (LBs) in the cerebrum in addition to the ordinary lesions of Parkinson's disease. Although the etiopathogenesis of none of these three lesions has been well elucidated, common epitopes of MBs and LBs have recently been demonstrated. Therefore, the present case study suggests that a specific underlying toxic agent may cause diffuse LBs in the brain on the one hand, and diffuse MBs in the liver and lipomatous pseudohypertrophy of the pancreas on the other.
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PMID:Diffuse Mallory bodies in the liver, diffuse Lewy bodies in the brain and diffuse fat replacement (lipomatous pseudohypertrophy) of the pancreas in a patient with juvenile Parkinson's disease. 147 30

Mallory bodies (MBs) are characteristic morphologic features of alcoholic hepatitis but are also associated with non-alcoholic liver diseases including long lasting cholestasis, metabolic and neoplastic disorders. MBs contain in addition to keratins non-keratin components, including microtubule-associated (tau protein) and other not yet characterized proteins in an aggregated form. Aggregation of these components in the cell is promoted by posttranslational modifications, such as partial proteolysis, phosphorylation and cross-linking, and may result in functional and structural disturbances of the cell depending on the physiologic function of the components involved. Several enzymes responsible for these modifications are Ca(++)-dependent. Thus, disturbance of Ca(++)-homeostasis may play an essential role in the pathogenesis of MBs. In some structural aspects MBs closely resemble inclusions associated with degenerative disorders of the central nervous system, including Alzheimer's and Parkinson's disease. Studies on the pathogenesis of MBs, therefore, not only shed light on a peculiar type of liver cell injury but may also assist in the understanding of other chronic degenerative diseases, particularly those of the central nervous system.
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PMID:Alcoholic liver disease: molecular-pathologic aspects. 860 Jun 92