Low density lipoprotein LDL belongs to the lipoprotein particle family. Learning by teaching LdL From the German expression, Lernen durch Lehren , LdL designates a method that allows students to learn by teaching lessons or parts of lessons. Cholesky decomposition LDL decomposition Cholesky decomposition in linear algebra, the decomposition of a symmetric, positive definite matrix into the product of a lower triangular matrix and its conjugate transpose. Disambiguation Category Initialisms de LDL fr LDL it LDL nl LDL ja Low Density Lipoprotein LDL ... more details
In medicine , LDL apheresis is a form of apheresis , resembling dialysis , to eliminate the cholesterol containing particle low density lipoprotein LDL from the bloodstream. Uses It is used in diseases featuring high LDL, such as the rare disease rare homozygous familial hypercholesterolemia , when the heterozygous form does not respond to medical treatment, or when the treatment has led to dangerous Adverse effect medicine side effects such as rhabdomyolysis . The procedure takes 2 4 hours and must be repeated every several weeks to keep the LDL levels from accumulation and causing cardiovascular disease . It is an expensive procedure, limiting its use to severe cases of hyperlipidemia . Principles LDL apheresis works by leading venous blood through a column coated with antibody antibodies to apolipoprotein B the main protein of LDL particles , dextran dextran sulfate sulfate or polyacrylate , or by precipitating LDL with heparin at low pH . In all cases apart from polyacrylate absorption , blood plasma plasma is separated from blood cell cells by a cell separator . References Thompson GR. LDL Apheresis . Atherosclerosis 2003 167 1 13. PMID 12618263. Vella A, Pineda AA, O Brien T. Low density lipoprotein apheresis for the treatment of refractory hyperlipidemia. Mayo Clin Proc 2001 76 1039 46. PMID 11605688. External links http www.apheresis.org American Society for Apheresis http www.csmc.edu 2350.html LDL apheresis information on from Cedars Sinai Medical Centre . http www.liposorber.com LDL apheresis information on from Liposorber . Category Medical treatments de LDL Apherese ... more details
PBB geneid 3949 The Low Density Lipoprotein LDL Receptor is a mosaic protein of 840 amino acids after removal of signal peptide that mediates the endocytosis of cholesterol rich LDL . It is a cell surface receptor that recognizes the apoprotein B100 which is embedded in the phospholipid outer layer of LDL ... remnants IDL . In humans, the LDL receptor protein ref name pmid6091915 cite journal author Yamamoto T, Davis CG, Brown MS, Schneider WJ, Casey ML, Goldstein JL, Russell DW title The human LDL receptor ... won a Nobel Prize for their identification of the Low Density Lipoprotein LDL receptor in 1985 ... Brown Goldstein 1984 cite journal author Brown MS, Goldstein JL title How LDL Receptors Influence Cholesterol ... doi 10.1038 scientificamerican0984 52 issue 3 ref Clinical significance LDL is directly involved in the development of atherosclerosis , due to accumulation of LDL cholesterol in the blood. Atherosclerosis is the process responsible for the majority of cardiovascular diseases . Function LDL receptor complexes are present in clathrin coated pits or buds on the cell surface, which when bound to LDL ... LDL cholesterol to be bound and internalized in a process known as endocytosis and prevents the LDL ... , but mainly in the liver which removes 70 of LDL from the circulation. Once the coated vesicle is internalized ... in pH causes a conformational change in the receptor that releases the bound LDL particle. The receptors ... to receive another LDL particle. Synthesis of receptors in the cell is regulated by the level of free ... gene will be inhibited. LDL receptors are translated by ribosomes on the endoplasmic reticulum ... pathway map StatinPathway WP430 highlight LDL receptor Structure Gene The gene coding the LDL ... code the membrane spanning region and 18 with the rest of 17 code the cytosolic domain. The LDL receptor ... protein domain domains that can function independently of each other. Protein The N terminus of the LDL ... the LB repeats and ligand LDL is unknown, but it is thought that the repeats act as grabbers to hold ... more details
Summary Non free use rationale Description Screen shot of The Weather Channel Weekend Now and the new Lower Display Line LDL Source The Weather Channel Interactive Article IntelliStar Portion All Low resolution No Purpose To demonstrate the new LDL Lower Display Line for the article IntelliStar under InetlliStar timeline Replaceability Yes other information None Licensing Non free television screenshot ... more details
localization of human genes for the LDL receptor family member glycoprotein 330 LRP2 and its ... members of the LDL receptor family including LRP1 and LRP2 . ref name entrez cite web title ... phosphorylated by calmodulin dependent kinase II. Interactions LDL receptor related ... Surface location and high affinity for calcium of a 500 kd liver membrane protein closely related to the LDL ... and molecular chaperone for LDL receptor related protein. journal EMBO J. volume 14 issue 10 pages 2269 ... by binding to LDL receptors. journal J. Biol. Chem. volume 270 issue 2 pages 536 40 year 1995 pmid ... Chromosomal localization of human genes for the LDL receptor family member glycoprotein 330 LRP2 ... induced ER retention and degradation of LDL receptor related endocytic receptors. journal EMBO ... doi 10.1073 pnas.94.14.7521 pmc 23854 refend External links MeshName LDL Receptor Related Protein ... more details
in circulation, where they undergo further triglyceride hydrolysis and are converted to LDL. A distinguishing ... in addition to a single copy of ApoB 100 . The multiple copies of ApoE allow IDL to bind to the LDL receptor with a very high affinity. When IDL is converted to LDL, the ApoE leaves the particle and only the ApoB 100 remains. Thereafter, the affinity for the LDL receptor is much reduced. 1 Lipoproteins ... more details
may decrease LDL, though generally to a lesser degree than statins. Similar to statins, there is a risk ..., is also well suited for lowering triglycerides by 20 50 . It may also lower LDL by 5 25 and increase ... derivative acipimox is also associated with a modest decrease in LDL. bile acid sequestrant s resins are particularly effective for lowering LDL C by sequestering the cholesterol containing ... LDL by 15 30 and raises HDL by 3 5 . It has little effect on triglycerides but can cause a slight ... under development. It is expected that these drugs will mainly increase HDL while lowering LDL. squalene ... more details
Infobox Disease Name PAGENAME Image Caption DiseasesDB 34399 ICD10 ICD9 ICDO OMIM 107730 MedlinePlus eMedicineSubj eMedicineTopic MeshID D052476 Apolipoprotein B deficiency also known as Familial defective apolipoprotein B 100 is an autosomal dominant disorder resulting from a missense mutation which reduces the affinity of apoB 100 for the low density lipoprotein receptor LDL Receptor ref Kumar V, Butcher SJ, rni K, Engelhardt P, Heikkonen J, et al. 2011 Three Dimensional cryoEM Reconstruction of Native LDL Particles to 16 Resolution at Physiological Body Temperature. http www.plosone.org article info 3Adoi 2F10.1371 2Fjournal.pone.0018841 ref YouTube id CtFwss81GBk title see native LDL ApoB structure at 37 C . This causes impairments in LDL catabolism, resulting in increased levels of low density lipoprotein in the blood. The clinical manifestations are similar to diseases produced by mutations of the LDL receptor, such as familial hypercholesterolemia . Treatment may include, niacin or statin or ezetimibe . ref name Harrison s cite book author Braunwald, Eugene Hauser, Stephen L. et al. title Harrison s Principles of Internal Medicine publisher McGraw hill location year 2001 pages 2246 2247 isbn 0 07 007272 8 oclc doi accessdate ref rp 534 It is also known as normotriglyceridemic hypobetalipoproteinemia . ref name pmid15984016 cite journal author Homer VM, George PM, du Toit S, Davidson JS, Wilson CJ title Mental retardation and ataxia due to normotriglyceridemic hypobetalipoproteinemia journal Ann. Neurol. volume 58 issue 1 pages 160 3 year 2005 month July pmid 15984016 doi 10.1002 ana.20531 ref See also Familial hypercholesterolemia References reflist medicine stub Lipid metabolism disorders Category Skin conditions resulting from errors in metabolism Category Lipid metabolism disorders ... more details
ref . The structure of the six YWTD repeats of LDL receptor have been solved ref name PUB00017010 ... for familial hypercholesterolemia from the structure of the LDL receptor YWTD EGF domain pair journal ... from Drosophila melanogaster , low density lipoprotein LDL receptor ref name PUB00000798 cite journal ... LDL receptor a cysteine rich protein with multiple Alu sequences in its mRNA journal Cell volume ... more details
Pfam box Symbol Ldl recept a Name Low density lipoprotein receptor domain class A image PDB 1ldl EBI.jpg width caption Structure of a cysteine rich repeat from the low density lipoprotein receptor. ref name pmid7603991 cite journal author Daly NL, Scanlon MJ, Djordjevic JT, Kroon PA, Smith R title Three dimensional structure of a cysteine rich repeat from the low density lipoprotein receptor journal Proc. Natl. Acad. Sci. U.S.A. volume 92 issue 14 pages 6334 8 year 1995 month July pmid 7603991 pmc 41512 doi 10.1073 pnas.92.14.6334 url ref Pfam PF00057 InterPro IPR002172 SMART SM00192 PROSITE PS50068 ... 2jm4 , PDB2 3bps Pfam box Symbol Ldl recept b Name Low density lipoprotein receptor domain class B image PDB 1n7d EBI.jpg width caption Structure of the LDL receptor extracellular domain at endosomal ... of the LDL receptor extracellular domain at endosomal pH journal Science volume 298 issue 5602 ... in the blood is captured by low density lipoprotein LDL and removed in the liver by the endocytosis of the LDL receptor . ref name pmid11279214 cite journal author Li Y, Lu W, Marzolo MP, Bu G ... of the LDL receptor gene family are active in the cell signalling pathways between specialized cells ... family in mammals, namely LDL receptor LDLR VLDL receptor VLDLR ApoER2 , or LRP8 Multiple epidermal ... is related to Alzheimer s Disease . Structure File Structure of LDL receptor family members.png thumb upright 1.8 Modular structure of LDL receptor family members. Domains depicted hatched are differentially ... by distinct functional domains present in characteristic numbers. These modules are LDL receptor ... interactions LDL receptor type B repeats , also known as EGF precursor homology regions, containing ... can be found in all receptors of the gene family, LDL receptor and certain isoforms of ApoER2 and VLDLR ... of the seven mammalian LDL receptor LDLR family members http www.pubmedcentral.nih.gov articlerender.fcgi?artid 1635701&rendertype figure&id F1 LDL receptor family members MeshName LDL Receptors Category ... more details
distinguish Palibo language Infobox language name Kaan nativename Libo states Nigeria region Adamawa State speakers 10,000 date 1992 ethnicity familycolor Niger Congo fam2 Atlantic Congo languages Atlantic Congo fam3 Bambukic languages Bambukic fam4 Yungur languages Yungur fam5 iso3 ldl Kaan , sc aka Libo , is an Adamawa languages Adamawa language of Nigeria . Category Adamawa languages Nc lang stub ... more details
bind modified LDL by acetic acid and oxidized LDL. They have a collagen like domain ... scavenger receptor class B1 SR B1 are identified as oxidized LDL receptors and classified into class ... LDL but also with normal LDL and high density lipoproteins High density lipoprotein HDL . Recent ... Some receptors that can bind to oxidized LDL have been discovered. CD68 and its mouse homology ... class C scavenger receptor dSR C1 also has a mucin like structure. Lectin like oxidized LDL receptor ... more details
, they become LDL, with apoB 100 as the primary apolipoprotein. The LDL is taken into a cell via the LDL receptor via endocytosis, where the contents are either stored, used for cell membrane ... more details
density lipoprotein LDL until this mechanism is saturated, after which VLDL levels elevate. Treatment ... the synthetic statins atorvastatin and rosuvastatin can decrease LDL levels by increasing hepatic reuptake of LDL due to increased LDL receptor expression. See also Primary hyperlipoproteinemia ... more details
Advert date August 2010 The VAP Vertical Auto Profile Test is a cholesterol , lipid and lipoprotein test. The name VAP Test was coined by the privately held cardio diagnostic company Atherotech ref http www.thevaptest.com ref to identify their direct measurement method which categorizes not just total cholesterol, High density lipoproteins HDL high density lipoproteins HDL , and Low density lipoproteins low density lipoproteins LDL , but all lipids and subclasses, with an LDL measurement accuracy unaffected by Triglycerides triglycerides . Citation needed date December 2009 Atherotech claims their VAP Test has a unique ability to identify far more areas of risk to patients than the standard lipid panel, specifically because it reports 15 separate components versus four in the standard cholesterol test. The more comprehensive test was shown Citation needed date December 2009 to identify more than twice the number of patients with lipid abnormalities than the standard lipid panel cholesterol and triglyceride test . Unlike the standard lipid panel, the VAP Test directly measures LDL. The test is also the only commercially available test that meets the new American Diabetes Association and American College of Cardiology ADA ACC cholesterol guidelines for people at high risk of heart attack and stroke including people with Type 2 diabetes . The ADA ACC consensus statement establishes measurement and treatment guidelines for Apolipoprotein B apoB in addition to LDL and non HDL in high risk patients. The VAP Test is the first cholesterol profile to comply with updated National Cholesterol Education Program ATP III recommendations for LDL measurement and the only commercially available advanced lipid profile that routinely reports all three lipoprotein parameters considered necessary by the American Diabetes Association and American College of Cardiology expert consensus guidelines. People with a family history or an existing condition of diabetes, high blood pressure or he ... more details
of these other cells. LDL in the blood binds to LDL receptor s on the surface of fibroblasts these receptors ... s plasma membrane and are internalised when the pit becomes a coated vesicle. The itinerary of the LDL ..., it has released its LDL cargo and is returned to the cell surface by exocytosis. It is now ready for another round of LDL clearance. High levels of LDL in the blood are observed in atherosclerosis and associated with the disease the endocytic cycle reduces LDL through consuming it. This may or may not be useful in regulating increased levels of LDL, although it may have limitations, or not increase at all in the presence of extra LDL molecules. Transferrin receptor Transferrin is a plasma ... the LDL receptor, the transferrin receptor is internalised into a coated vesicle. The iron is released ... inside the cell appears to be different from that taken by the LDL receptor, because it takes about .... But in motile cells exocytosis now occurs at the front of the cell It is here that both LDL and transferrin ... of plasma membrane proteins, such as LDL or transferrin receptors and the lipid bilayer in which ... more details
Image JeanPol Martin2002.jpg thumb 200px right Jean Pol Martin Jean Pol Martin born 1943, Paris , France is a teacher professor for foreign language teaching in Germany . He established the teaching method Lernen durch Lehren learning by teaching , a method for students to learn by teaching their peers. This concept has developed into a common practice throughout Germany and has been experimented with in other countries. Biography Martin was born in 1943 in Paris and went to Germany in 1968. He studied German language German and French language French in order to become a teacher at a German grammar school , becoming a professor for foreign language teaching didactics at the http www.ku eichstaett.de Catholic University of Eichst tt Ingolstadt Bavaria in 1980. In the same year he had the idea to let the students teach their peers in his French classes. That experience was successful, so he could establish the Lernen durch Lehren LdL learning by teaching method in Germany. He was the first scholar to do active research on that topic for 25 years, building a wide network with several thousand teachers and promoting it to a large scale. All teachers in Germany are now trained in that method during their pedagogic studies. References Grzega, Joachim Schoener, Marion. The Didactic Model LdL Lernen durch Lehren as a Way of Preparing Students for Communication in a Knowledge Society. Journal of Education for Teaching 34 3 167 175 External links http www1.ku eichstaett.de SLF LdL video rtsp thi en dsl medium.mov Video about JP.Martin Learning by teaching in English http www.ku eichstaett.de Fakultaeten PPF fachgebiete Paedagogik lehrstuehle grundschulpaed Forschung ipk millennium The millennium project http www.ldl.de Lernen durch Lehren LdL http www.projektkompetenz.de Internet und Projektkompetenz IPK http www.ku eichstaett.de Fakultaeten PPF fachgebiete Paedagogik lehrstuehle grundschulpaed Forschung ipk palast hp liste The palace of knowledge Persondata Metadata see Wik ... more details
Orphan date November 2009 The http www.lipoprofile.com NMR Nuclear Magnetic Resonance LipoProfile test is a specialized laboratory test performed on a blood sample that provides a detailed analysis of your blood lipids including the number of Low density lipoprotein Low Density Lipoproteins LDL , the most atherogenic of the lipoprotein s. http www.liposcience.com LipoScience is the first company to commercialize a laboratory test performed using Nuclear magnetic resonance NMR as a detection method, the NMR LipoProfile test ref name LipoScience http www.liposcience.com index2.cfm?id 28&scid1 80 ref . References references Category Blood tests ... more details
process Image Ldl wortschatz.jpg thumb 250px Student teaching vocabulary The first attempts using the learning ... Wiesbaden, 1997. ref br LdL as a comprehensive method br The method received broader recognition starting ... a thousand teachers that employed learning by teaching the specifical name LdL Lernen durch Lehren ... konnetz.pdf PDF 62 KB ref From 2001 on LdL has gained more and more supporters as a result of educational reform movements started throughout Germany. Learning by teaching by Martin LdLLdL by Martin ... basis of LdL is related to the Maslow s hierarchy of needs Self actualization pyramid or hierarchy ... as many intellectual resources as possible, which happens in LdL lessons in a special way ... of LdL aims to negate the alleged contradiction between the three main components automatization of speech .... The LdL approach After intensive preparation by the teacher, students become responsible ... is that LdL should not be confused with a student as teacher centered method. The material should ... questions, quizzes etc. . An important effect from LdL is to develop the students websensibility ... discussion Using LdL means that lesson time will not be used in order to communicate new content ... and so that other students may ask questions of the student giving the lesson Using LdL means that during ... Juan by Moli re The teacher looks to see if the students really exchange their knowledge Using LdL ... the students clarify what they have said if meaning or content are not completely clear By LdL the new ... playing by the students In LdL the teacher is a director and is not afraid of interrupting if presentations ... all homework and carefully corrects it In teaching younger grades the LdL tasks are prepared ... subjects wrote their ending thesis about LdL. Also the education administration received both the theory and the practice of LdL vgl.Margret Ruep 1999 ref Margret Ruep 1999 Schule als Lernende Organisation ... handbooks LdL has been described as an extreme form of learner centred teaching ref Andreas Nieweler ... more details
between VLDL and LDL. They are not usually detectable in the blood. Low density lipoprotein s LDL carry cholesterol from the liver to cells of the body. LDLs are sometimes referred to as the bad ... 1.063 High density lipoprotein HDL 5 15 33 30 29 4 1.019 1.063 Low density lipoprotein LDL 18 ... density lipoprotein s LDL , which contain a relatively high cholesterol content ref Kumar V, Butcher ... LDL Particles to 16 Resolution at Physiological Body Temperature. http www.plosone.org article info 3Adoi 2F10.1371 2Fjournal.pone.0018841 ref YouTube id CtFwss81GBk title see native LDL structure at 37 C . LDL circulates and is absorbed by the liver and peripheral cells. Binding of LDL to its target tissue occurs through an interaction between the LDL receptor and apolipoprotein B 100 or E on the LDL particle. Absorption occurs through endocytosis , and the internalized LDL particles are hydrolyzed ... more details
density lipoprotein LDL, bad cholesterol , in the blood and early cardiovascular disease . Many patients have mutations in the LDLR gene that encodes the LDL receptor protein , which normally removes LDL from the circulation, or apolipoprotein B ApoB , which is the part of LDL that binds with the receptor ... and may require other treatments, including LDL apheresis removal of LDL in a method similar ... cholesterol, markedly raised level of low density lipoprotein LDL , normal level of high density lipoprotein HDL , and normal level of triglyceride s. The LDL is typically above the 75th percentile , that is, 75 of the healthy population would have a lower LDL level. ref name Rader2003 Cholesterol ... Mutation analysis On the basis of the isolated high LDL and clinical criteria which differ by country , genetic testing for LDL receptor mutations and ApoB mutations can be performed. Mutations are detected ... accumulation in tissues, is due to ABCG5 and ABCG8 mutations. ref name Rader2003 LDL receptor Image PBB Protein LDLR image.jpg right thumb Schematic representation of the LDL receptor protein. The LDL ... atherosclerosis in childhood, including its complications. The plasma LDL levels are inversely related to the activity of LDL receptor LDLR . Homozygotes have LDLR activity of less than 2 , while heterozygotes have defective LDL processing with receptor activity being 2 25 , depending on the nature ... LDL on the cell surface because of a defect in either apolipoprotein B100 R3500Q or in LDL R. Class IV LDLR bound to LDL does not properly cluster in clathrin coated pits for receptor mediated endocytosis ... 3500. The mutation is located on a part of the protein that normally binds with the LDL receptor ... causes FH mainly by reducing the number of LDL receptors on liver cells. ref cite journal author Seidah ... in the relation between the LDL receptor and clathrin coated pits. Patients with autosomal recessive ... Cholesterol is synthesized in the HMG CoA reductase pathway . main LDL receptor atherosclerosis ... more details
. Moreover, since the discovery of the role of Low density lipoprotein LDL cholesterol LDL C in the pathogenesis ... LDL particles beneath the endothelium . This is followed by the attachment of leukocytes , monocytes ... and aggregate within the intima . In the presence of elevated levels of oxidized LDL ox LDL , monocytes ... 10.1016 S0002 8703 99 70266 8 ref The role of oxidized LDL Once LDL accumulates in the subendothelial ... Oxidized LDL and thickness of carotid intima media are associated with coronary atherosclerosis in middle aged men lower levels of oxidized LDL with statin therapy journal Atherosclerosis volume 155 ... LDL plays several key roles in furthering the course of the inflammatory process. It is chemotactic to monocytes oxidized LDL causes endothelial cells to secrete molecules that cause monocytes to penetrate ... year 2006 volume 83 suppl issue 2 pages 456S 460S id 994471841 ref Oxidized LDL promotes death of endothelial cells by augmenting apoptosis . Also, through the activation of collagenases , ox LDL ... pmid 18410595 pmc 2562742 ref Oxidized LDL decreases the availability of endothelial ... remains constricted. Thus, oxidized LDL also contributes to the hypertension often seen with atherosclerosis. Implications for the treatment and prevention of arteriosclerosis The role LDL plays suggests ... the accumulation of LDL by lowering the levels of serum LDL, an idea more closely associated with the lipid ... help to clear LDL from the bloodstream. It has been demonstrated conclusively that elevated levels of LDL are associated with higher risk of mortality from Coronary disease coronary heart disease CHD ... LDL. A second approach would be to discourage the oxidation of LDL, thereby breaking the inflammatory ... 1&ssource mfc doi 10.3949 ccjm.71.4.327 pmid 15117174 ref Implications for diet Dietary lipids and LDL ... cholesterol TC and LDL Cholesterol LDL C , however it also leads to increases in the level of high density lipoprotein cholesterol HDL C , offsetting the effect of the increase in LDL C. Epidemological ... more details
been shown to reduce plasma total cholesterol TC by 5 13 and LDL cholesterol by 5.6 24.4 in both normo ... . There is significant clinical evidence supporting the effect of phytosterols on LDL C reduction. A larger reduction of LDL C was observed in subjects with high to very high baseline cholesterol levels, compared to optimal to borderline levels. A favorable effect on LDL C reduction was shown when ... in the morning failed to lower LDL C levels ref AbuMweis SS, Vanstone CA, Ebine N, et al. Intake ... dose with lunch resulted in significantly lower LDL C levels. Administration of esterified phytosterols was more beneficial in reducing LDL C when compared to free form phytosterols ref Abumweis ... triglyceride TG levels, without elevation in plasma LDL C levels, was observed in the Vayarol ... reduction without LDL C elevation following a short term intervention period of 4 weeks. References ... more details
s VLDL or LDL . Inhibition of this process results in higher HDL levels the good cholesterol containing particle and reduces LDL levels the bad cholesterol . Vague date April 2011 Citation needed date ... more details
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