추천 제품
생물학적 소스
Pseudomonas fluorescens
Quality Level
분석
10-30% (TCA-Biuret)
양식
lyophilized powder
특이 활성도
≥10,000 units/g protein
분자량
~129 kDa
구성
Protein, ~20%
저장 조건
under inert gas (argon)
기술
cell based assay: suitable
색상
tan to brown
pH
7-9
solubility
0.4 M potassium phosphate, pH 7.0: soluble 1.0 mg/mL
저장 온도
−20°C
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일반 설명
Research area: Cell Signaling
Cholesterol Esterase (CE) is a glycoprotein that can be isolated from fungal species such as Candida cylindracea and Pseudomonas fluorescens. It is classified as a member of the lipase/esterase family and functions as a homo-dimeric protein. CE is produced in the pancreas and is released in an active form upon stimulation by Cholecystokinin (CCK).
Cholesterol Esterase (CE) is a glycoprotein that can be isolated from fungal species such as Candida cylindracea and Pseudomonas fluorescens. It is classified as a member of the lipase/esterase family and functions as a homo-dimeric protein. CE is produced in the pancreas and is released in an active form upon stimulation by Cholecystokinin (CCK).
애플리케이션
Cholesterol esterase from Pseudomonas fluorescens has been used in:
- in cholesterol esterase assay to quantify total cholesterol from human blood serum samples
- a study to investigate the nondenaturing protein electro transfer of the esterase activity of lipolytic preparations
- an optimization study of components in enzymatic cholesterol reagents containing cholesterol oxidase
- for the modification of human plasma low-density-lipoprotein (LDL) to induce endothelial cell (EC) dysfunction and monocyte (MC) adhesion in the branched tissue-engineered blood vessels (TEBVs)
- to hydrolyze native cholesterol ester (CE) during filipin staining for detection of CE within the retinal frozen sections
This enzyme is widely used in the determination of serum cholesterol in diagnostic laboratories.
생화학적/생리학적 작용
Cholesterol esterase (CE) is a reversible enzyme that can hydrolyze or synthesize fatty acid esters of cholesterol and other sterols. This activity of CE plays a vital role in steroid biosynthesis or de novo steroidogenesis. Hydrolysis of water insoluble long chain fatty acid esters requires bile salt activation. Hydrolysis of water soluble esters of short chain fatty acids and lysophospholipids does not require activation by bile salts. It also hydrolyzes tri-, di-, and mono-acylglycerols, phospholipids, lysophospholipids, and ceramides. The enzyme may have multiple functions in lipid and lipoprotein metabolism, as well as in atherosclerosis..
기타 정보
Contains potassium phosphate and TRITON® X-100.
단위 정의
One unit will hydrolyze 1.0 μmole of cholesteryl oleate to cholesterol and oleic acid per min at pH 7.0 at 37 °C in the presence of taurocholate.
분석 메모
Protein determined by biuret.
신호어
Danger
유해 및 위험 성명서
예방조치 성명서
Hazard Classifications
Resp. Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
Eyeshields, Gloves, type N95 (US)
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이미 열람한 고객
Jounghyun H Lee et al.
Advanced biology, 5(4), e2000428-e2000428 (2021-04-15)
Atherosclerosis begins with the accumulation of cholesterol-carrying lipoproteins on blood vessel walls and progresses to endothelial cell dysfunction, monocyte adhesion, and foam cell formation. Endothelialized tissue-engineered blood vessels (TEBVs) have previously been fabricated to recapitulate artery functionalities, including vasoconstriction, vasodilation
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Haematococcus pluvialis is the largest producer of natural astaxanthin in the world. Astaxanthin is a bioactive compound used in food, feed, nutraceutics, and cosmetics. In this study, astaxanthin extraction from H. pluvialis by supercritical fluid extraction was evaluated. The effects
David Y Hui et al.
Journal of lipid research, 43(12), 2017-2030 (2002-11-28)
Carboxyl ester lipase (CEL), previously named cholesterol esterase or bile salt-stimulated (or dependent) lipase, is a lipolytic enzyme capable of hydrolyzing cholesteryl esters, tri-, di-, and mono-acylglycerols, phospholipids, lysophospholipids, and ceramide. The active site catalytic triad of serine-histidine-aspartate is centrally
Peter E Thelwall et al.
Journal of hepatology, 59(3), 543-549 (2013-04-30)
Lysosomal Acid Lipase (LAL) deficiency is a rare metabolic storage disease, caused by a marked reduction in activity of LAL, which leads to accumulation of cholesteryl esters (CE) and triglycerides (TG) in lysosomes in many tissues. We used (1)H magnetic
Stuart A Scott et al.
Hepatology (Baltimore, Md.), 58(3), 958-965 (2013-02-21)
Cholesteryl ester storage disease (CESD) and Wolman disease are autosomal recessive later-onset and severe infantile disorders, respectively, which result from the deficient activity of lysosomal acid lipase (LAL). LAL is encoded by LIPA (10q23.31) and the most common mutation associated
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