Dietary omega 3 polyunsaturated fatty acids and Alzheimer's disease: interaction
with apolipoprotein E genotype.
The benefit seemed to be particularly pronounced in individuals
with the apolipoprotein E-e4 allele, a genetic marker associated with late - onset Alzheimer's, which usually happens after the age of 65, and is the most common type of the disease
The aim of this study was to investigate the role of serotonin in depression, searching for association of two serotoninergic polymorphisms (T102C of serotonin receptor 5 - HT2A and serotonin transporter linked polymorphic region -5-HTTLPR - of SLC6A4 gene) with depressive symptoms and considering their possible interactions
with Apolipoprotein E
The aim of this study was to investigate the role of serotonin in depression, searching for association of two serotoninergic polymorphisms (T102C of serotonin receptor 5 - HT2A and serotonin transporter linked polymorphic region -5-HTTLPR - of SLC6A4 gene) with depressive symptoms and considering their possible interactions
with Apolipoprotein E... (ApoE) and between themselves, in a sample of 208 sporadic AD patients and 116 normal controls from Italy.
Depressed neurofilament expression associates
with apolipoprotein E3 / E4 genotype in maturing human fetal neurons exposed to HIV - 1.
Not exact matches
HDL
with a small proinflammatory protein called
apolipoprotein C - III (apoC - III) on its surface may nearly double the risk of heart disease in healthy men and women, according to Frank Sacks, professor of cardiovascular disease prevention at the Harvard School of Public Health and senior author on a paper in the April Journal of the American Heart Association.
After secretion,
apolipoprotein E and cholesterol associate
with high - density lipoprotein to form a particle that can deliver cholesterol to the liver by receptor - mediated endocytosis.
In «Greater Cognitive Deficits
with Sleep - Disordered Breathing among Individuals
with Genetic Susceptibility to Alzheimer's Disease: The Multi-Ethnic Study of Atherosclerosis,» researchers report that study participants carrying the
apolipoprotein?
For decades, scientists have known that people
with two copies of a gene called
apolipoprotein E4 (ApoE4) are much more likely to have Alzheimer's disease at age 65 than the rest of the population.
Two studies published in the Journal of Alzheimer's Disease indicate that some of the pathologic changes associated
with Alzheimer's disease in older individuals are not apparent in young people who carry the
apolipoprotein (APOE) genetic risk factor for developing the disease.
Transplanted hearts lasted in four groups of mice as follows: • 21 days: mice
with hyperlipidemia caused by a genetic mutation of
apolipoprotein E (ApoE) placed on a high - fat diet • 51 days: healthy mice placed on a high - fat diet leading to hyperlipidemia • 61 days: mice
with hyperlipidemia caused by a genetic mutation of ApoE on a lower - fat diet • More than 100 days: healthy mice placed on a lower - fat diet
With the same diet pattern, levels of LDL cholesterol and apolipoprotein B (a secondary end point) increased, with no changes in HDL cholesterol or triglyceride level or blood pressure.&ra
With the same diet pattern, levels of LDL cholesterol and
apolipoprotein B (a secondary end point) increased,
with no changes in HDL cholesterol or triglyceride level or blood pressure.&ra
with no changes in HDL cholesterol or triglyceride level or blood pressure.»
Walker said that the effect of one standard deviation increase in the overall inflammation score in mid-life on brain volume decades later was similar to the effect associated
with having one copy of the
apolipoprotein E (APOE) e4 gene that increases the risk of Alzheimer's disease.
Until recently, only four genes associated
with late - onset Alzheimer's have been confirmed,
with the gene for
apolipoprotein E-e4, APOE - e4, having the largest effect on risk.
Dr. Mahley, along
with Gladstone Investigator Yadong Huang, MD, PhD, will use the funding to identify new chemical compounds that can target
apolipoprotein E4 (apoE4)-- the strongest genetic risk factor for developing Alzheimer's.
Apolipoprotein L1 gene variants associate
with prevalent kidney but not prevalent cardiovascular disease in the Systolic Blood Pressure Intervention Trial.
A specific type of brain activity important for memory replay is disrupted in mice
with the E4 version of the
apolipoprotein E (apoE4) gene, which may interfere
with memory formation.
Freedman, B. I., et al. «
Apolipoprotein L1 gene variants in deceased organ donors are associated
with renal allograft failure.»
The interest intensified several years ago
with the surprising discovery that an increased risk of Alzheimer's disease was linked to a natural genetic variant of a key fat - transporter molecule called
apolipoprotein E, or apoE.
Apolipoprotein (APOE) genotyping
with oversampling of ε4 + individuals will be used to enrich the enrollment sample, such that roughly half of those scanned will be amyloid positive and half will be amyloid negative.
The liver and, to a lesser extent, the intestine produce
apolipoprotein C - III (ApoC - III), an 8.8 - kDa glycoprotein associated
with TRLs, LDL, and high - density lipoproteins (HDLs)(4).
In a genome - wide analysis of up to 17 503 participants in PROMIS, we identified genetic variants associated
with either
apolipoprotein (a) isoform size or lipoprotein (a) concentration.
In 60 801 patients
with coronary heart disease and 123 504 controls, OR for myocardial infarction was 0 · 96 (0 · 94 - 0 · 98; p < 0 · 0001) per 1 - SD increment in
apolipoprotein (a) protein isoform size in serum due to rs2457564, which was directionally concordant
with the OR observed in PROMIS for a similar change.
Recent evidence has connected MI risk
with coding - sequence mutations at two genes functionally related to APOA5, namely lipoprotein lipase and
apolipoprotein C - III (refs 18, 19).
Methods: In this mendelian randomisation study, we measured lipoprotein (a) concentration and determined
apolipoprotein (a) isoform size
with a genetic method (kringle IV type 2 [KIV2] repeats in the LPA gene) and a serum - based electrophoretic assay in patients and controls (frequency matched for age and sex) from the Pakistan Risk of Myocardial Infarction Study (PROMIS).
These ratios of ApoC - III to ApoC - II exceed the normal physiological range of these
apolipoproteins present on human VLDL particles, even in patients
with hypertriglyceridemia (0.7 to 2)(30).
Lipoprotein (a)- lowering interventions could be preferentially effective in reducing the risk of coronary heart disease in individuals
with smaller
apolipoprotein (a) isoforms.
Hypertriglyceridemia is an independent risk factor for cardiovascular disease, and plasma triglycerides (TGs) correlate strongly
with plasma
apolipoprotein C - III (ApoC - III) levels.
Finally, we compared phenotypic versus genotypic ORs to estimate whether
apolipoprotein (a) isoform size, lipoprotein (a) concentration, or both were causally associated
with coronary heart disease.
The abnormal composition of
apolipoproteins (apo) in the lipoprotein fractions from the patient (P) is compared
with the compositions of his mother (M) and a normolipidemic control participant (C).
People
with one copy of the variant, called
apolipoprotein E-e4 (APOE e4), have a 29 % lifetime risk of developing Alzheimer's disease, while people who don't have it have a 9 % risk.
The investigators also found that eating one or more fish meals a week was linked to less Alzheimer's damage in the brain, but only among people
with a gene variant called
apolipoprotein E (APOE).
Alfalfa seeds lower low density lipoprotein cholesterol and
apolipoprotein B concentrations in patients
with type II hyperlipoproteinemia.
Effect of thyroid hormone replacement on lipoprotein (a), lipids, and
apolipoproteins in subjects
with hypothyroidism.
Contrasting the results of the current study, other studies have shown a reduction in HDL - cholesterol and
apolipoprotein A-1 when saturated fat has been replaced
with carbs (8, 9).
High - density - lipoprotein (HDL) cholesterol was measured enzymatically after lipoproteins containing
apolipoprotein B had been precipitated
with heparin — manganese.
Comparison of the effects on lipoproteins and
apolipoproteins of a diet high in monounsaturated fatty acids, enriched
with avocado, and a high - carbohydrate diet.
Associations of egg and cholesterol intakes
with carotid intima - media thickness and risk of incident coronary artery disease according to
apolipoprotein E phenotype in men: the Kuopio Ischaemic Heart Disease Risk Factor Study.
Effect of a single oat bran cereal breakfast on serum cholesterol, lipoproteins, and
apolipoproteins in patients
with hyperlipoproteinemia type IIa.
The
apolipoprotein E ε4 allele was associated
with Alzheimer's disease in white but not in African - American or Hispanic people
ROC curve analysis: an example showing the relationships among serum lipid and
apolipoprotein concentrations in identifying patients
with coronary artery disease