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Sökning: WFRF:(Nilsson H.) > (1970-1979) > Enzymes catalyzing ...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002873naa a2200265 4500
001oai:lup.lub.lu.se:63d02b6e-ed2f-4966-8934-005f10507c16
003SwePub
008160401s1978 | |||||||||||000 ||eng|
024a https://lup.lub.lu.se/record/11027022 URI
040 a (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
100a Tornqvist, H4 aut
2451 0a Enzymes catalyzing the hydrolysis of long-chain monoacyglycerols in rat adipose tissue
264 1c 1978
520 a Acetone-ether preparations of epididymal fat pads from fasted or fed rats contained two enzymes catalyzing the hydrolysis of long-chain monoacylglycerols. The enzymes were identified as monoacylglycerol lipase (Tornqvist, H. and Belfrage, P., (1976) J. Biol Chem. 251, 813--819) and lipoprotein lipase by their apparent pI values after electrofocusing in non-ionic detergent, selective inhibition properties, substrate specificity and positional specificity. It was estimated that monoacylglycerol lipase accounted for about 90% of the total monoacylglycerol-hydrolyzing activity in acetone-ether preparations from fasted and 70% from fed rats. Its enzyme activity did not change with the nutritional state in contrast to that of lipoprotein lipase. The latter enzyme hydrolyzed 2-monoacylglycerols at a much lower rate than the 1(3)-isomers. Monoacylglycerol lipase was located almost entirely in the adipocytes, thus most of the enzyme activity towards monoacylglycerols in the adipose tissue was found in this site. Fractionated sucrose homogenates of rat epididymal fat pads also contained a third enzyme with monoacylglycerol-hydrolyzing activity, identified as hormone-sensitive lipase by its pI, selective inhibition properties and substrate specificity. It was estimated that hormone-sensitive lipase accounted for less than 20% of the total activity against monoacylglycerols in these tissue preparations from fasted rats. Over-all quantitative estimations emphasized the dominant role of monoacylglycerol lipase over the other two enzymes in the hydrolysis of monoacylglycerols.
650 7a NATURVETENSKAPx Biologi0 (SwePub)1062 hsv//swe
650 7a NATURAL SCIENCESx Biological Sciences0 (SwePub)1062 hsv//eng
700a Nilsson-Ehle, Peteru Lund University,Lunds universitet,Avdelningen för klinisk kemi och farmakologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Chemistry and Pharmacology,Department of Laboratory Medicine,Faculty of Medicine4 aut0 (Swepub:lu)kkem-pne
700a Belfrage, P4 aut
710a Avdelningen för klinisk kemi och farmakologib Institutionen för laboratoriemedicin4 org
773t Biochimica et Biophysica Actag 530:3, s. 474-486q 530:3<474-486x 0006-3002
8564 8u https://lup.lub.lu.se/record/1102702

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Tornqvist, H
Nilsson-Ehle, Pe ...
Belfrage, P
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NATURVETENSKAP
NATURVETENSKAP
och Biologi
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Biochimica et Bi ...
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Lunds universitet

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