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Late Adult Metachromatic Leukodystrophy: Title and subTitle BreakArylsulfatase A Activity of Leukocytes in Two Families

Hartmut Pilz, MD
[+] Author Affiliations

Accepted for publication Dec 6, 1971.

Reprint requests to Neurologische Universität-sklinik, BRD-34 Göttingen, von-Sieboldstrasse 5, Germany.


Arch Neurol. 1972;27(1):87-90. doi:10.1001/archneur.1972.00490130089013
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Arylsulfatase A activity has been determined quantitatively in leukocytes of two unrelated patients with late adult metachromatic leukodystrophy (MLD) (40 and 44 years old) and 29 family members. A differentiation between homozygote patients, heterozygote carriers, and persons with a normal enzyme activity is possible. A profound enzyme deficiency has also been detected in three so far healthy persons (13, 39, and 40 years old). It is supposed that they are in the preclinical state of the disease. Using the common applied technique of arylsulfatase determination, the extent of the enzyme defect in the manifestly affected patients is not significantly different from that of the infantile form of MLD.

REFERENCES

Pilz H:  Clinical, morphological and biochemical aspects of sphingolipidoses . Neuropädiat 1:383-427, 1970;.
Mehl E, Jatzkewitz H:  Evidence for the genetic block in metachromatic leucodystrophy (ML) . Biochem Biophys Res Commun 19:407-411, 1965;.
Austin JH, Armstrong D, Shearer L:  Metachromatic form of diffuse cerebral sclerosis: V. The nature and significance of low sulfatase activity: A controlled study of brain, liver and kidney in four patients with metachromatic leukodystrophy (MLD) . Arch Neurol 13:593-614, 1965;.
Percy AK, Brady RO:  Metachromatic leukodystrophy: Diagnosis with samples of venous blood . Science 161:594-595, 1968;.
Gabreels F, Lamers K, Kok J, et al:  The biochemical differentiation between heterozygote carriers of metachromatic leucodystrophy and normal persons . Neuropädiat 2:461-469, 1971;.
Pilz H, Paul HA, Müller D, et al:  Metachro-xmatische Leukodystrophie (Sulfatid-Lipidose) im Erwachsenenalter: intravitale Diagnose zweier Fälle unter dem klinischen Bild eines präsenilen hirnatrophischen Prozesses . Z Neurol 199:234-255, 1971;.
Müller D, Pilz H, ter Meulen V:  Studies on adult metachromatic leukodystrophy: I. Clinical, morphological and histochemical observations in two cases . J Neurol Sci 9:567-584, 1969;.
Pilz H, Müller D:  Studies on adult metachromatic leukodystrophy: II. Biochemical aspects of adult cases of metachromatic leukodystrophy . J Neurol Sci 9:585-595, 1969;.
Baum H, Dodgson KS, Spencer B:  The assay of arylsulphatase A and B in human urine . Clin Chim Acta 4:453-455, 1959;.
Lowry OH, Rosebrough NJ, Farr AL, et al:  Protein measurement with the Folin phenol reagent . J Biol Chem 193:265-275, 1951;.
Bass NH, Witmer EJ, Dreifuss FE:  A pedigree study of metachromatic leukodystrophy . Neurology 20:52-62, 1970;.
Taniguchi N, Nanba I:  Enzymatic abnormality of the carrier state in metachromatic leukodystrophy . Clin Chim Acta 29:375-379, 1970;.
Pilz H, Hopf HC:  A preclinical case of late adult metachromatic leukodystrophy? Manifestation only with lipid abnormalities in urine, enzyme deficiency and decrease of nerve conduction velocity . J Neurol Neurosurg Psychiat , to be published.
Austin JH, Armstrong D, Shearer L, et al:  Metachromatic form of diffuse cerebral sclerosis: VI. A rapid test for the sulfatase A deficiency in metachromatic leucodystrophy (MLD) urine . Arch Neurol 14:259-269, 1966;.

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Pilz H:  Clinical, morphological and biochemical aspects of sphingolipidoses . Neuropädiat 1:383-427, 1970;.
Mehl E, Jatzkewitz H:  Evidence for the genetic block in metachromatic leucodystrophy (ML) . Biochem Biophys Res Commun 19:407-411, 1965;.
Austin JH, Armstrong D, Shearer L:  Metachromatic form of diffuse cerebral sclerosis: V. The nature and significance of low sulfatase activity: A controlled study of brain, liver and kidney in four patients with metachromatic leukodystrophy (MLD) . Arch Neurol 13:593-614, 1965;.
Percy AK, Brady RO:  Metachromatic leukodystrophy: Diagnosis with samples of venous blood . Science 161:594-595, 1968;.
Gabreels F, Lamers K, Kok J, et al:  The biochemical differentiation between heterozygote carriers of metachromatic leucodystrophy and normal persons . Neuropädiat 2:461-469, 1971;.
Pilz H, Paul HA, Müller D, et al:  Metachro-xmatische Leukodystrophie (Sulfatid-Lipidose) im Erwachsenenalter: intravitale Diagnose zweier Fälle unter dem klinischen Bild eines präsenilen hirnatrophischen Prozesses . Z Neurol 199:234-255, 1971;.
Müller D, Pilz H, ter Meulen V:  Studies on adult metachromatic leukodystrophy: I. Clinical, morphological and histochemical observations in two cases . J Neurol Sci 9:567-584, 1969;.
Pilz H, Müller D:  Studies on adult metachromatic leukodystrophy: II. Biochemical aspects of adult cases of metachromatic leukodystrophy . J Neurol Sci 9:585-595, 1969;.
Baum H, Dodgson KS, Spencer B:  The assay of arylsulphatase A and B in human urine . Clin Chim Acta 4:453-455, 1959;.
Lowry OH, Rosebrough NJ, Farr AL, et al:  Protein measurement with the Folin phenol reagent . J Biol Chem 193:265-275, 1951;.
Bass NH, Witmer EJ, Dreifuss FE:  A pedigree study of metachromatic leukodystrophy . Neurology 20:52-62, 1970;.
Taniguchi N, Nanba I:  Enzymatic abnormality of the carrier state in metachromatic leukodystrophy . Clin Chim Acta 29:375-379, 1970;.
Pilz H, Hopf HC:  A preclinical case of late adult metachromatic leukodystrophy? Manifestation only with lipid abnormalities in urine, enzyme deficiency and decrease of nerve conduction velocity . J Neurol Neurosurg Psychiat , to be published.
Austin JH, Armstrong D, Shearer L, et al:  Metachromatic form of diffuse cerebral sclerosis: VI. A rapid test for the sulfatase A deficiency in metachromatic leucodystrophy (MLD) urine . Arch Neurol 14:259-269, 1966;.

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