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2 edition of Immunoligical and structural studies on brain creatine kinase isoenzyme found in the catalog.

Immunoligical and structural studies on brain creatine kinase isoenzyme

Claire-Lucie Brunet

Immunoligical and structural studies on brain creatine kinase isoenzyme

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Published by s.n.] in [s.l .
Written in English


Edition Notes

Statementby Claire-Lucie Brunet
The Physical Object
Paginationx, 99 l. :
Number of Pages99
ID Numbers
Open LibraryOL19977973M

ISBN: OCLC Number: Description: 1 online resource (xviii, pages illustrations) Contents: 1 Introduction Creatine Kinase in Muscular Metabolism Creatine Kinase in Clinical Chemistry Creatine Kinase Isoenzymes Scope and Summary of this Book Creatine Kinase Isoenzymes The Cytoplasmic Isoenzymes from Human Tissues . It is also a dimer of two identical subunits of Mt type. The molecular mass of CK-Mt is idential to that of cytoplasmic isoenzyme, but the amino acid composition, electrophoretic mobility, and chromatographic and immunological properties are different. A unique property of CK-Mt is its ability to form aggregates of high molecular mass. Creatine Kinase Subject Areas on Research "Mirror-lake" serial relationship of electrocardiographic and biochemical indices for the detection of reperfusion and the prediction of salvage in patients with acute myocardial infarction.


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A wonderful new light, with a dreadful prophesy of the downfal of these two churches that is builded up Britain with hay and stubble, and are plaistered up with untempered mortar, to blinfold the world. ... Written by the Tinclarian Doctor, in the 68 year of his age, 1738

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Immunoligical and structural studies on brain creatine kinase isoenzyme by Claire-Lucie Brunet Download PDF EPUB FB2

Znactive Form of Brain Creatine Kinase performed as described for rabbit. Again, investigations were con- ducted on the tissue supernatants (10, x g, for 30 min at 2”).

Miscellaneous Species -Sheep brain was kindly provided by Dr. Cecil Pace-Asciak (Hospital for Sick Children). Active and Inactive Brain Creatine Kinase in Dystrophic Muscle first arrived in the laboratory, many of them had a high serum creatine kinase activity which fell sharply during the next few days.

All this creatine kinase activity was attributable to the BB isoenzyme. Cytosolic brain-type creatine kinase (BB-CK), which is coexpressed with ubiquitous mitochondrial uMtCK, is significantly inactivated by oxidation in Alzheimer's disease (AD) patients.

Since CK has been shown to play a fundamental role in cellular energetics of the brain, any disturbance of this enzyme may exasperate the AD disease by: Structural studies of human brain-type creatine kinase complexed with the ADP-Mg2+-NOcreatine transition-state analogue complex Article in FEBS Letters (28) December with In artifical mixtures the concentrations of individual creatine kinase isoenzymes were determined from the percentage of non-precipitable activity in the supernatant after reaction with each of the antisera.

This immunotitration assay was applied to study the quantitative distribution of creatine kinase isoenzymes in extracts of human by: Creatine Kinase BB Isoenzyme Blood Levels in Trauma Patients With Suspected Mild Traumatic Brain Injury Article (PDF Available) in Military medicine (6) July with 40 Reads.

Creatine kinase (CK) is an enzyme found in your muscles. Enzymes are proteins that help your body's cells do their jobs. The level of the CK enzymes rises when you have damage to muscle cells in your body. The 3 types of CK are called isoenzymes.

They are: CK-MM, found in your skeletal muscle and heart CK-MB. TEIXEIRA, A. M.; BORGES, G. Creatine kinase: structure and function. Brazilian Journal of Biomotricity. 6, n. 2, p.Found in all vertebrates, creatine kinase (CK) is a member of. The crystal structure of human muscle creatine kinase has been determined by the molecular-replacement method and refined at A resolution.

The structures of both the monomer and the dimer. Creatine kinase (CK) activity in serum is widely used to diagnose tissue damage including myocardial infarction and skeletal muscle myopathy, but it is unknown why serum CK activity is higher in apparently healthy black people of sub-Saharan African descent –.

Creatine kinase isoenzyme activities in extracts of plasma, skeletal muscle, heart and brain tissue of domestic fowls were separated by anion exchange chromatography and tissue specific distributions of the isoenzyme designated MM-CK, BB-CK1 and BB-CK2 were demonstrated.

The muscle isoenzyme (MM-CK) was the predominant form in plasma (99 per cent) and its activity increased in response to an Cited by: Combined isoenzyme analysis in the diagnosis of myocardial injury: application of electrophoretic methods for the detection and quantitation of the creatine phosphokinase MB isoenzyme.

J Lab Clin Med. Oct; 80 (4)– Smith AF, Radford D, Wong CP, Oliver MF. Creatine kinase MB isoenzyme studies in diagnosis of myocardial by: In cardiac muscle, CK-MM accounts for 70% to 85% of total CPK activity.

The remainder of total CPK activity in both of these tissues consists of the isoenzyme CK-MB. The third isoenzyme, CK-BB, is active primarily in the brain, with some activity in such other Cited by: Immunohistochemical localization of creatine kinase-BB isoenzyme to astrocytes in human brain Indirect immunoperoxidase labelling at the light microscope level using a specific antisera to brain type creatine kinase-BB isoenzyme has localized the protein to astrocytes in the white matter of human cerebrum.

The present study localizes Cited by: Clinica Chimica Acta, 58 () Elsevier Scientific Publishing Company, Amsterdam -- Printed in The Netherlands CCA QUANTITATION OF CREATINE KINASE ISOENZYMES IN HUMAN TISSUES AND SERA BV AN IMMUNOLOGICAL METHOD EVANGELIA JOCKERS-WRETOU* and GERHARD PFLEIDERER Lehrstuhl fiir Biochemie, Abteilung Chemie, Ruhr-[hliversitdt Bochum, Cited by: CK: Creatine kinase (CK) is an enzyme that catalyzes the reversible phosphorylation of creatine (Cr) by adenosine triphosphate (ATP).

Physiologically, when muscle contracts, ATP is converted to adenosine diphosphate (ADP), and CK catalyzes the rephosphorylation of ADP to ATP using creatine phosphate as the phosphorylation reservoir. The CK enzyme is a dimer composed of subunits derived from. Creatine kinase is central to the function of the mitochond­ rion, the cellular power generator.

The wider distribution of this enzyme is linked to tissues whose physiology crucially relies on an adaptable supply of energy, notably skeletal muscle, the brain, and the heart.

Creatine kinase (CK)* (ECadenosine triphosphate: creatine N-phospho-transferase) exists as a dimer, and is an important enzyme regulator of high-energy phosphate production and utilization within contractile by: 4.

Creatine Kinase Brain Damage Skeletal Muscle Damage Perinatal Brain Damage Metastatic Bony Lesion These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm by: Several types of CK are expressed in various tissues: the muscle and brain types of CK are the most common, and three different isoenzymes that include CK-MM (the muscle type homodimer), CK-BB (the brain type homodimer), and CK-MB (the muscle plus brain Cited by: 1.

Hemmer W, Zanolla E, Furter-Graves EM, Eppenberger HM, Wallimann T. Creatine kinase isoenzymes in chicken cerebellum: specific localization of brain-type creatine kinase in Bergmann glial cells and muscle-type creatine kinase in Purkinje neurons. CK is composed of two subunits, CK-M (muscle type) and CK-B (brain type), which are combined into three distinct isoenzymes: CK-MM, CK-MB, and CK-BB.

These isoenzymes can be separated and measured by electrophoresis. CK-BB isoenzyme migrates toward the anode at pHwhile CK-MM remains cathodic to the application point.

The following table. A ‘CK framework’ is defined, consisting of the most conserved sequence blocks, and ‘diagnostic boxes’ are identified which are characteristic for anyone creatine kinase isoenzyme (e.g. for vertebrate B-CK) and which may serve to distinguish this isoenzyme from all others (e.g.

from M-CKs and Mi-CKs).Cited by: Creatine kinase (CK), also known as creatine phosphokinase (CPK) or phosphocreatine kinase, is an enzyme (EC ) expressed by various tissues and cell catalyses the conversion of creatine and uses adenosine triphosphate (ATP) to create phosphocreatine (PCr) and adenosine diphosphate (ADP).

This CK enzyme reaction is reversible and thus ATP can be generated from PCr BRENDA: BRENDA entry. 2.) Isoenzymes of creatine phosphokinase: Creatine kinase (CK) or creatine phosphokinase (CPK) catalyses the interconversion of phospho creatine to creatine.

CPK exists in 3 isoenzymes. Each isoenzymes is a dimer of 2 subunits M (muscle), B (brain) or both. CK-BB is raised in the brain injury (also in the lung injury).; CK-MM is raised in the muscular injury. CK-MM isoenzyme makes up almost all the circulatory total CK in the healthy person.

CK-MM depends upon the muscle mass, large muscular people may have a level in the high normal range. Creatine kinase (CK) is an enzyme found in your muscles. Enzymes are proteins that help your body's cells do their jobs. The level of the CK enzymes rises when you have damage to muscle cells in your body.

The 3 types of CK are called isoenzymes. They are: CK. Creatine may even improve memory and intelligence. In the present book, emphasis is placed on the intricate interplay between creatine and creatine kinase function on one hand, and proper brain function, neurodegenerative disease and/or neuroprotection on the other hand.

Claude Bachmann and Hugues Henry A novel relationship between creatine. : Creatine Kinase Isoenzymes: Pathophysiology and Clinical Application () and a great selection of similar New, Used and Collectible Books available now at Price Range: $ - $ Doctors will usually check for abnormal creatine kinase levels if a person shows signs of a heart r, the CPK blood test can also be used to help diagnose reasons for muscular disorders (e.g.

muscular dystrophy), chronic muscle pain, or inflammation of the muscles. 1 The CPK blood test usually shows total levels of creatine kinase in the blood, as well as percentages of isoenzymes.

Skeletal Muscle Creatine Kinase Heart Muscle Subcellular Distribution Immunological Method These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm by: Creatine kinase (CK) activity is found in the cytoplasm of several human tissues; major sources of CK include skeletal muscle, myocardium, and the brain.

Cytoplasmic CK isoenzymes are dimers of the subunits M and B (MM, MB, or BB). Brain tissue contains predominantly CK-BB (CK1). Skeletal muscle contains almost exclusively CK-MM (CK3). Examples of the diagnostic use of isoenzymes are the study of Lactate Dehydrogenase and Creatine Kinase.

Lactate Dehydrogenase (LDH) It is formed by the association of five peptide chains of two different kinds of monomers: M and H The variants seen in humans are: LDH1: M M M M (abundant in heart, brain erythrocytes; around 33% of serum LDH).

Model building and structure refinement. The crystal structure of the hBB‐CK protein has been solved by the molecular replacement method using the PHASER program [], with the coordinates of the chicken brain‐type CK (PDB ID; 1QH4, a dimer model) used as the search this study, refinements were performed by conducting diffraction at a resolution of Å and Å Cited by:   The creatine kinase MB isoenzyme test is part of the tests that are conducted to check for a specific case of cardiac disease, mostly myocardial infarction.

Creatine kinase is an enzyme that is used in cells to create a substance called phosphocreatine, which is an energy source in muscle. The whole process works in the following way.

creatine kinase upstream region is sufficient to modu- late M creatine kinase expression in certain neuronal cells and may be regulated independently from other muscle genes. Creatine kinase isoenzymes (ATP: creatine N-phospho- transferase, EC ) are involved in the transfer of cellular.

Mitochondrial creatine kinase from cardiac muscle and brain are two distinct isoenzymes but form octameric molecules December Journal of Biological Chemistry (32) Isoenzymes are proteins with a different structure that catalyze the same reaction.

Frequently they are oligomers made with different polypeptide chains, so they usually differ in regulatory mechanisms and in kinetic characteristics.

From the physiological point of view, isozymes allow the existence of similar enzymes with different characteristics, “customized” to specific tissue. Three isoenzymes, based on primary location, have been identified by electrophoresis: brain and lungs CK-BB, cardiac CK-MB, and skeletal muscle CK-MM.

When injury to these tissues occurs, the enzymes are released into the bloodstream. Prognostic value of creatine kinase BB-isoenzyme in high risk newborn infants classified into four outcome categories: normal outcome,mildmotorimpairment(slight ortransient abnormality in muscle tone or an abnormal pattern of motor development), cerebral palsy,'.

or de-velopmental delay (mental developmental quotient less thanno motor Cited by:. This study examined the association between a DNA polymorphism in the muscle-specific creatine kinase (CKMM) gene and ˙VO 2max in the sedentary state, as well as its response (Δ˙VO 2max) to a standardized wk endurance training subjects were biologically unrelated Caucasian parents (80 women, 80 men) and 80 biologically unrelated adult offspring of the HERITAGE Family Study.The appearance of creatine kinase (CK) in blood has been generally considered to be an indirect marker of muscle damage, particularly for diagnosis of medical conditions such as myocardial infarction, muscular dystrophy, and cerebral diseases.

However, there is controversy in the literature concerning its validity in reflecting muscle damage as a consequence of level and intensity of physical Cited by: Start studying Creatine Kinase. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Search. Name the 3 isoenzymes in which CK exists predominantly in brain-CK-MB: predominantly in heart, but also some skeletal m. Which disorders cause elevated CK levels?-In disorders/injuries to muscle -Neurologic disease.