Abstract
Increased concentrations of total sulfated mucopolysaccharides (MPS), threefold, and hyaluronic acid (HA), 10-fold, were found in ML IV fibroblast extracts when compared to normal controls. Such accumulations altered the distribution of MPS:HA comprised 70% of total MPS in ML IV but only 30% in control cells. Intracellular sulfated MPS was observed accumulating almost linearly in ML IV fibroblasts. "Pulse-chase" experiments indicate that both HA and the sulfated MPS remain in the ML IV cells for long periods of time; in control cells, they are rapidly removed as low molecular weight, dialyzable fragments. These data suggest that the MPS accumulation in ML IV fibroblasts, is the consequence of a catabolic block, probably involving the lysosome.
Full text
PDF








Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- BITTER T., MUIR H. M. A modified uronic acid carbazole reaction. Anal Biochem. 1962 Oct;4:330–334. doi: 10.1016/0003-2697(62)90095-7. [DOI] [PubMed] [Google Scholar]
- Bach G., Berman E. R. Amino sugar-containing compounds of the retina. I. Isolation and identification. Biochim Biophys Acta. 1971 Dec 21;252(3):453–461. doi: 10.1016/0304-4165(71)90148-6. [DOI] [PubMed] [Google Scholar]
- Bach G., Cohen M. M., Kohn G. Abnormal ganglioside accumulation in cultured fibroblasts from patients with mucolipidosis IV. Biochem Biophys Res Commun. 1975 Oct 27;66(4):1483–1490. doi: 10.1016/0006-291x(75)90526-4. [DOI] [PubMed] [Google Scholar]
- Berman E. R., Livni N., Shapira E., Merin S., Levij I. S. Congenital corneal clouding with abnormal systemic storage bodies: a new variant of mucolipidosis. J Pediatr. 1974 Apr;84(4):519–526. doi: 10.1016/s0022-3476(74)80671-2. [DOI] [PubMed] [Google Scholar]
- DODGSON K. S. Determination of inorganic sulphate in studies on the enzymic and non-enzymic hydrolysis of carbohydrate and other sulphate esters. Biochem J. 1961 Feb;78:312–319. doi: 10.1042/bj0780312. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Elson L. A., Morgan W. T. A colorimetric method for the determination of glucosamine and chondrosamine. Biochem J. 1933;27(6):1824–1828. doi: 10.1042/bj0271824. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Endo M., Yosizawa Z. A method for quantitative recovery of acidic glycosaminoglycans after electrophoresis on cellulose acetate strip. Anal Biochem. 1975 May 12;65(1-2):537–539. doi: 10.1016/0003-2697(75)90539-4. [DOI] [PubMed] [Google Scholar]
- Fratantoni J. C., Hall C. W., Neufeld E. F. The defect in Hurler's and Hunter's syndromes: faulty degradation of mucopolysaccharide. Proc Natl Acad Sci U S A. 1968 Jun;60(2):699–706. doi: 10.1073/pnas.60.2.699. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Gatt R., Berman E. R. A rapid procedure for the estimation of amino sugars on a micro scale. Anal Biochem. 1966 Apr;15(1):167–171. doi: 10.1016/0003-2697(66)90262-4. [DOI] [PubMed] [Google Scholar]
- Hieber V., Distler J., Jourdian G. W., Schmickel R. Accumulation of 32S-mucopolysaccharides in cultured mucolipidosis cells. Birth Defects Orig Artic Ser. 1975;11(6):307–310. [PubMed] [Google Scholar]
- Kelly T. E., Thomas G. H., Taylor H. A., Jr, McKusick V. A., Sly W. S., Glaser J. H., Robinow M., Luzzatti L., Espiritu C., Feingold M. Mucolipidosis III (pseudo-Hurler polydystrophy): Clinical and laboratory studies in a series of 12 patients. Johns Hopkins Med J. 1975 Oct;137(4):156–175. [PubMed] [Google Scholar]
- Kohn G., Livni N., Ornoy A., Sekeles E., Beyth Y., Legum C., Bach G., Cohen M. M. Prenatal diagnosis of mucolipidosis IV by electron microscopy. J Pediatr. 1977 Jan;90(1):62–66. doi: 10.1016/s0022-3476(77)80765-8. [DOI] [PubMed] [Google Scholar]
- LOWRY O. H., ROSEBROUGH N. J., FARR A. L., RANDALL R. J. Protein measurement with the Folin phenol reagent. J Biol Chem. 1951 Nov;193(1):265–275. [PubMed] [Google Scholar]
- Merin S., Livni N., Berman E. R., Yatziv S. Mucolipidosis IV: ocular, systemic, and ultrastructural findings. Invest Ophthalmol. 1975 Jun;14(6):437–448. [PubMed] [Google Scholar]
- Neufeld E. F., Lim T. W., Shapiro L. J. Inherited disorders of lysosomal metabolism. Annu Rev Biochem. 1975;44:357–376. doi: 10.1146/annurev.bi.44.070175.002041. [DOI] [PubMed] [Google Scholar]
- Newell F. W., Matalon R., Meyer S. A new mucolipidosis with psychomotor retardation, corneal clouding, and retinal degeneration. Am J Ophthalmol. 1975 Sep;80(3 Pt 1):440–449. doi: 10.1016/0002-9394(75)90532-2. [DOI] [PubMed] [Google Scholar]
- Ohya T., Kaneko Y. Novel hyaluronidase from streptomyces. Biochim Biophys Acta. 1970 Mar 18;198(3):607–609. doi: 10.1016/0005-2744(70)90139-7. [DOI] [PubMed] [Google Scholar]
- Spranger J. W., Wiedemann H. R. The genetic mucolipidoses. Diagnosis and differential diagnosis. Humangenetik. 1970;9(2):113–139. doi: 10.1007/BF00278928. [DOI] [PubMed] [Google Scholar]
- Tellez-Nagel I., Rapin I., Iwamoto T., Johnson A. B., Norton W. T., Nitowsky H. Mucolipidosis IV. Clinical, ultrastructural, histochemical, and chemical studies of a case, including a brain biopsy. Arch Neurol. 1976 Dec;33(12):828–835. doi: 10.1001/archneur.1976.00500120032005. [DOI] [PubMed] [Google Scholar]