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Homocysteine in Medical News

Impact of elevated homocysteine levels on vision under study

Homocysteine, an amino acid believed to contribute to heart attack, stroke and dementia, likely also is a player in retinal damage and vision loss, researchers say. Homocysteine levels rise when folic acid levels drop, a common problem for Americans whose diets are often poor in folate-rich fru...

Elevated homocysteine levels linked to congestive heart failure risk

Researchers of the long-running Framingham Heart Study have now found a link between elevated homocysteine and heart failure. Elevated levels of homocysteine, an amino acid whose build-up has already been linked with increased risk of heart disease and dementia, increases the risk of developing con...

Are vitamin supplements effective in celiac disease patients?

...n B6, folate, and vitamin B12 daily supplements on homocysteine levels in patients with coeliac disease. Their stu...itamin B6, folate, vitamin B12, and fasting plasma homocysteine levels were investigated in 51 consecutive adults ... B6 (P = 0.003), folate (P They concluded that homocysteine levels are dependent on Marsh classification and t...

New Innovation for Battling Number One Killer in America Introduced by Eniva Nutraceutics

...'s newest heart health product, designed to support healthy cholesterol and homocysteine levels in the body.* The potent cholesterol lowering plant sterol form... two major risk factors for heart disease -- cholesterol and homocysteine.* homocysteine is another substance present in blood that is recognized by the AHA to be u...

B Vitamins Might Lower Stroke Risk

...Association has made a point of not declaring high homocysteine levels to be a risk factor for heart disease or st...nger than 70, those who had higher cholesterol and homocysteine levels at the start of the study, those from areas...hat taking recommended doses of B vitamins reduced homocysteine levels and lowered the chances of another stroke i...

Studies Challenge Framingham Risk Score

...ormation of fatty deposits in the arteries, the study found. "At this point, many questions would have to be answered before we recommend measuring homocysteine in people at this advanced age," de Ruijter said. "And I do not know what kind of intervention we could offer these people. The results of homocystein...

Study Finds Folic Acid Not Cardioprotective, Though Safe

...the American Heart Association's Scientific Sessions 2008. The results from the Study of the Effectiveness of Additional Reductions in Cholesterol and homocysteine (SEARCH), a 12,064-person, randomized study, were presented as a late-breaking clinical trial. Researchers reported that 2 milligrams (mg) of folic ...

Vitamin B, Folate Supplements Won't Help Heart

...ecause observational studies did link high blood levels of a protein called homocysteine with an increased risk of cardiovascular disease. In the new study, homocysteine levels did go down by 30 percent over the course of three years in people t...

NARSAD researchers identify specific genes and family traits linked to mental illnesses

... chemical pathways in the brain, including keeping levels of the amino acid homocysteine low. When homocysteine levels are too high, this interferes with the functioning of receptors loca...

Folic Acid Doesn't Help the Heart

...term study, involving women, deals another blow to homocysteine theory TUESDAY, May 6 (HealthDay News)...s aimed at reducing blood levels of the amino acid homocysteine did not protect women against heart disease and st... of several trials to douse the hope that lowering homocysteine levels could reduce the incidence of cardiovascula...
Homocysteine in Medical Technology

NARSAD Researchers Identify Specific Genes and Family Traits Linked to Schizophrenia, Bipolar Disorder and Depression

...e and negative schizophrenia symptoms, folate is involved in many different chemical pathways in the brain, including keeping levels of the amino acid homocysteine low. When homocysteine levels are too high, this interferes with the functioning of receptors located all over the brain -- called NMDA ( N-methyl-D-a...
Homocysteine in Medical Products

Liquichek Homocysteine Control

Description: Liquichek™ Homocysteine Control is a liquid control for monitoring homocysteine test procedures. This product can be used or methods such as HPLC and automated immunoassay procedures....
Company:Bio-Rad Laboratories

Macra® Lipoprotein A Lp(a)

Description:...cludes kits that quantitatively measure two important cardiac risk markers: homocysteine and lipoprotein (a). An elevated serum or plasma homocysteine level is increasingly viewed as a strong and independent risk factor for ca...
Company:Inverness Medical Innovations

Homocysteine Kit

Description:...cludes kits that quantitatively measure two important cardiac risk markers: homocysteine and lipoprotein (a). An elevated serum or plasma homocysteine level is increasingly viewed as a strong and independent risk factor for ca...
Company:Inverness Medical Innovations

VITAMIN B6 3H-REA

Description:...seases. Recently, a reationship between a low plasma vitamin B6 level and Coronary Heart Disease (CHD) has been shown. The transamination reactions of homocysteine to cystathionine and then to cystein are strictly B6-dependent. There is new emerging evidence that vitamin B6 deficiency is an independent risk facto...
Company:Buhlmann Laboratories AG

Oculair

Features:...eutralize singlet oxygen and super oxide free radicals that damage the vascular system and the macula. Oculair addresses the universal need to keep homocysteine levels in check by including efficacious amounts of vitamin B6, B12 and Folic Acid. ...
Company:Biosyntrx, Inc.
Homocysteine in Medical Dictionary

Vitamin B6

...iciency of pyridoxine is rare. ... Vitamin B6 (pyridoxine, pyridoxal, or pyridoxamine) ... Plasma Folate, Vitamin B6 , Vitamin B12, and homocysteine and Pancreatic Cancer ... Chapter 7 - Vitamin B6 " ... An essential nutrient for humans, vitamin B6 is common in meat, fish, liver, ... Vi...

Vitamin B-12 level

... of serum ... Vitamin B12 or folic acid deficiency can cause the homocysteine level to rise, ... ... point out that a vitamin B-12 ... his ser... ... Vitamin B12 acts with folic acid and vitamin B6 to control homocysteine levels . An excess of ... Low blood levels of vitamin B12 are some...

Fibrinogen

...Fibrinogen biosynthesis. ... Amino acid sequence studies on the alpha chain of human fibrinogen . ... These substances include fibrinogen , homocysteine and C-reactive protein (CRP) ... What is fibrinogen ? ... the impact of fibrinogen value, considered as a ... The authors concluded "plasma ...
Homocysteine in Biological News

MUHC and McGill scientists explain genetic disease first discovered in Quebec 24 years ago

...itamin B12. Patients afflicted with this condition build up toxic levels of homocysteine and methylmalonic acid in their bodies. Vitamin B12, which is found in all ...lood cells and the maintenance of the nervous system. It also helps control homocysteine levels in the human body, an excess of which is associated with an increase...

New study 'pardons' the misunderstood egg

..., a nutrient related to choline, is associated with lower concentrations of homocysteine in the blood. High blood levels of homocysteine are indicative of chronic inflammation, which has been associated with card...

SNPs affect folate metabolism in study of Puerto-Rican adults

...s residing in and around Boston. In addition, four SNPs in two genes involved in folate metabolism previously associated with altered blood folate and homocysteine concentrations were studied: methylenetetrahydrofolate reductase (MTHFR) and methionine synthase (MTR). SNPs are variations in the sequence of nuc...

Compound that helps rice grow reduces nerve, vascular damage from diabetes

...a known risk factor for vascular disease. The liver produces a low level of homocysteine but that level is elevated in diabetes while the enzyme that controls it decreases. Unchecked, homocysteine makes oxidative stress compounds that injure and kill cells. HTase is one w...

At Boston symposium, NARSAD researchers report on genes and family traits

... chemical pathways in the brain, including keeping levels of the amino acid homocysteine low. When homocysteine levels are too high, this interferes with the functioning of receptors loca...

Study identifies trends of vitamin B6 status in US population sample

...ort their findings, Morris and colleagues measured homocysteine levels in the blood and compared them against the plasma PLP measures. homocysteine is an amino acid that can accumulate in the blood ...he time of the survey did not demonstrate elevated homocysteine levels, the...

How what and how much we eat (and drink) affects our risk of cancer

...d with a colorectal cancer causing chemical, and, at 34 weeks, researchers measured tumor incidence, multiplicity and burden as well as plasma folate, homocysteine and liver folate concentrations. Pups from mothers on the control diet had a nearly three-fold increased risk of developing colorectal cancer comp...

Vitamin B-12 function may be diminished by excessive folate

... over, researchers at Tufts University showed that homocysteine and methylmalonic acid are at much higher levels i... B12 deficient but have normal folate levels. homocysteine and methylmalonic acid, compounds used by enzymes ...the vitamin B12 deficiency, as indicated by higher homocysteine and methylmalonic acid due to high blood folate, i...

Indicators for risk of heart disease are higher in passive smokers

...ond-hand smoke had increased levels of fibrinogen, homocysteine and C-reactive protein ?all markers of cardiovascu... had significantly higher levels of fibrinogen and homocysteine than the 'no detectable' group, with fibrinogen le...timated at 9?0 milligrams per decilitre higher and homocysteine levels at 0.8 micromoles per litre higher. Dr...
Homocysteine in Biological Technology

Cepheid and Instrumentation Laboratory Introduce Xpert(TM) HemosIL(R) FII & FV Assay to European Clinical Testing Market

...HemosIL FII & FV test will complement IL's line of fully automated assays for the hemostasis laboratory, including Antithrombin, Protein C, Protein S, homocysteine and Lupus Anticoagulants. In combination with our ACL TOP(R) Family of systems, the availability of the Xpert HemosIL test on the GeneXpert System wil...

Detect Single Nucleotide Sequence Changes with Mx4000 Molecular Beacon Allelic Discrimination Kits

...rofolate reductase) A key enzyme in homocysteine metabolism C to T substitution at ... Individuals of mutant homozygote have an elevated plasma homocysteine level, a major risk factor for cardiovascular diseases 14,15 ...
Homocysteine in Biological Products

Rabbit Anti-S-Adenosyl-Homocysteine Polyclonal Antibody, Unconjugated from AbD Serotec

Description:... S-Adenosyl-Homocysteine. S-Adenosyl homocysteine 100% S-Adenosyl Methionine 2.5% Adenosine 0.27% Homocysteine <0.1% Cystathionine <0.1% L-Cysteine ...
Company:AbD Serotec
Homocysteine in Biological Definition

Amino acid

...e neurotransmitters glycine , GABA and glutamate , as well as carnitine (used in lipid transport within a cell ), ornithine , citrulline , homocysteine , hydroxyproline , hydroxylysine , and sarcosine . Some of the 20 standard amino acids are called essential amino acids , because they cannot be...
Homocysteine in Biological Dictionary

Polymorphisms

...trahydrofolate reductase (MTHFR) is 'a critical enzyme in both folate and homocysteine metabolism,' according to Ueland (LOCUS for homocysteine and ... ...
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