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Methyl in Medical News

Silenced genes as a warning sign of blood cancer

...r cells are switched off by chemical labels called methyl groups. This kind of methyl labeling ranges among the epigenetic changes that ...drugs available that can prevent the attachment of methyl groups or other epigenetic changes and, thus, at l...

Nanotechnology Transforms Pain Relief

...s. Seemingly harmless drugs like Acetaminophen and methyl Salicylate have potentially fatal effects. Acetami... pain relievers, has been linked to liver disease. methyl Salicylate, a topical analgesic found in the likes...eters excessive application by avoiding the use of methyl Salicylate and using a gradual release philosophy ...

Diagnostic tools and innovative therapies improve patient prognosis

...evaluate the presence of chemical compounds called methyl groups in sputum, and their relationship to the pr...lung cancer. After selecting three genes for their methyl groups, the team examined a total of 570 sputum sa...ung cancer. If the RASSF1A gene alone was used for methyl group presence, the sensitivity of the test was 41...

Mercury in Mackenzie River delta dramatically higher than previously believed

...ercury calculated in previous studies. Graydon's research and previous studies measured export of all chemical forms of mercury in water including methyl mercury. "Methyl mercury is a neurotoxin and it's primarily passed on to humans through contaminated fish muscle," Graydon said. "This leaves nor...

Dad's Genes May Play Greater Role Than Thought

...ssue is related to another biological aspect of DNA expression -- DNA methylation. Some subunits of the DNA molecules ordinarily have molecules called methyl groups attached to them. Lack of methylation can also contribute to infertility, he said. The Utah group is working on a test that could define the...

Arete Therapeutics Presents Positive Clinical and Preclinical Data for AR9281

...strate that these effects are not inhibited by concurrent treatment with the nitric oxide synthase inhibitor L-NAME (NG-nitro-L-arginine methyl ester), thus furthering the understanding of the mechanism of action of this novel drug candidate. AR9281 Phase II Program Unde...

Scientists identify gene in breast cancer pathway

...spread of breast cancer. After examining mouse, rat, and human breast cancer cells, Dr. Singer and his team found that ZBP1 silencing occurs when a methyl group (CH3) attaches to ZBP1's promoter region (the segment of a gene where gene expression is initiated). The attachment of CH3 prevents the promoter...

Amalgam fillings are safe, but skeptics still claim controversy, researcher says

...that dental fillings contained mercury was heightened and people were concerned by a couple of mercury-related health scares. In Japan, the release of methyl mercury into industrial wastewater caused a mercury buildup in shellfish and fish, leading to severe mercury poisoning and Minamata disease. Also, a g...

Genetic changes outside nuclear DNA suspected to trigger more than half of all cancers

... the gene's DNA code, epigenetic changes affect genes without changing the code itself. The new studies tell us that such changes occur not only when methyl groups bond to a gene's on-off switch, but also when they come unglued," says Califano. Califano says sporadic reports of demethylation as a tool i...

Toxic Element Research Foundation Announces Its Latest Worldwide Educational Programs for Health Professionals and Patients

...fe; chronic fatigue, complexity encompassed; sodium and potassium, the butlers; albumin, the primary detoxifier; porphyrins, the origin of all energy; methyl mercury on the red cell, the biomarker of recovery; and white blood cells, our primary defense against autoimmune diseases. About Toxic Elements...
Methyl in Biological News

Plant pathologists evaluate eco-friendly alternatives to methyl bromide

Alternatives to a powerful pesticide that was found be an ozone depletor are now being evaluated in agricultural production areas of Florida, say plant pathologists with USDA's Agricultural Research Service. In 1987, the Parties to the Montreal Protocol called for the phase-out of methyl bromide,...

Cancer's distinctive pattern of gene expression could aid early screening and prevention

... cancers could result be another result of this initiative, Dr. Bhalla says. "We know that long before anyone tells you that you have a tumor, methyl groups have been put where they should not be," says Dr. Keith D. Robertson, cancer epigeneticist and Georgia Cancer Coalition Scholar. "Every single...

New way to make sensors that detect toxic chemicals

...t reduces to metallic nickel," Beach explained. After he removes the nickel oxide from the pressure cooker, he washes it in a common solvent called methyl ethyl ketone to free up the nanoparticles. At that point, the material is ready to use. Most other synthesis methods require another additional ste...

Pushmi-pullyu of B-cell development discovered

...pped tightly around these spools, individual genes are inaccessible to the molecules that bind and activate them. Second, many of the genes have small methyl groups, a carbon and three hydrogen atoms (CH3), on their DNA in specific places, which also prevent them from being activated. These factors are cons...

American Chemical Society's weekly PressPac -- May 6, 2009

...grass, corn cobs, and other organic materials into methyl halides the raw material for making gasoline and ... in the new study that using crop waste to produce methyl halides is one of the most attractive ways of tran...rived from petroleum. Plants and microbes produce methyl halides naturally, but in amounts too small for co...

New nucleotide could revolutionize epigenetics

...netic player is DNA methylation, which targets sites where cytosine precedes guanine in the DNA code. An enzyme called DNA methyltransferase affixes a methyl group to cytosine, creating a different but stable nucleotide called 5-methylcytosine. This modification in the promoter region of a gene results in g...

CSHL researchers explain process by which cells 'hide' potentially dangerous DNA segments

...cations on their tail ends. These marks consist of methyl groups that get attached to the tail of one of the...uit the other components: the enzyme that adds the methyl marks; and the protein Chp1, which acts as a molec...nk that the tight interaction between RITS and the methyl marks is a requirement at least as important as th...

A miR boost enables acute leukemia cells to mature

...s the action of three enzymes, all of which add small chemical units called methyl groups to genes. The addition of the units locks genes down tight and takes... out of action. By blocking the enzymes, the miR removes the methyl groups from genes, a process called demethylation, which then reactivates t...

Molecular fingerprints point the way to earlier cancer diagnosis and more targeted treatment

...a modified form of the amino acid glycine, was a known entity but its function was unclear. Scientists thought it might be a dumping ground for excess methyl groups needed to enable chemical changes of genes, proteins and other body components that can affect what and how much they do. This process calle...

New greenhouse gas identified

...furyl fluoride was introduced as a replacement for methyl bromide, a widely used fumigant that is being phas...rotocol because of its ozone-destroying chemistry. methyl bromide has been widely used for insect control in...Science and a co-author on the new paper. But with methyl bromide being phased out, "industry had to find al...
Methyl in Biological Technology

Government Mandates Create Guaranteed Market for Bio-Fuel, Says Frost & Sullivan

...rcent is generally low when compared to the EU market," said Balasingam. In Malaysia, the government will implement the blending of 5% palm-based methyl ester with fossil diesel beginning February 2010 whereas Thailand has mandated B2 on February 2008 and plans to increase to B5 by 2011 which will requ...

New Genomatica Chemical Process Targets Ailing Ethanol Assets

... First-ever bio-manufacturing process to produce methyl ethyl ketone from renewable feedstocks proven in rapid order SAN DIEGO...ustainable chemical company, have developed a bio-manufacturing process for methyl ethyl ketone (MEK), a commonly used industrial solvent with a global market...

Cosun and Avantium Announce Collaboration

...rials. For several years, Cosun has been active in developing and marketing these applications, focusing on high-grade products. An example is Carboxy methyl Inulin, which is used as a sustainable additive in water treatment. The collaboration with Avantium for the development of Furanics perfectly matches ...

ECBC's Environmental BioMonitoring Laboratory Focuses on the Future

...ce microscopy Analysis of samples for bacterial identification using a technology based on gas chromatographic analysis of cellular fatty acid methyl esters using the Microbial Identification System (MIDI). Routine identification of over 1,500 species of anaerobic and aerobic bacteria, to i...

San Diego universities, government and industry rally around local Clean-Tech cluster

...eeds by re-engineering natural protein enzymes such that they efficiently extract fatty acids from membranes and chemically convert them to fatty acid methyl esters (FAMEs), the primary molecules in biodiesel. Examples of membrane sources include bacteria or yeast grown on sugar (glucose) as an energy sourc...

Albert Einstein College of Medicine Receives $25-Million Gift to Support Stem Cell and Epigenomic Research and Clinical Skills Training

...nd head of the new Center for Epigenomics at Einstein, has developed a novel method for "mapping" the most important epigenomic marks: the methyl molecules present throughout a person's genome. He has used this method to detect the methylation patterns that characterize breast tumors and...

UTEK Corp. acquires Xylose Technologies

...r Tom Jeffries of the USDA Forest Products Laboratory. "We believe that demand for ethanol as a fuel additive may increase with the discontinuation of methyl tertiary butyl ether (MBTE), as a fuel additive combined with the rise in oil prices. To help meet this potential demand, sugars from waste biomass an...

Verifying Multichannel Pipettor Performance with Standard Dispense Solutions in the SpectraMax Plus (MaxLine Application Note #28)

...ed from the absorbance, the light path, the extinction coefficient and the diluent volume. Various chromogens have been used, including Ponceau S dye, methyl red, Evans Blue dye and nicotinamide. 1 ,2, 10, 11 The College of American Pathologists and the NCCLS recommend potassium dichromate because it c...

Analysis of Fuel Oxygenates by U.S. EPA Method 8260B Using Headspace Trap with GC/MS

... Oxygenated fuel is desirable because it burns more completely, thereby reducing tailpipe emissions. The most commonly used fuel oxygenate additive is methyl tertiary butyl ether (MTBE). The transportation, transfer and especially storage of oxygenated fuel in underground tanks present a risk to t...

Polymer Degradation Mechanisms Encountered in Pyrolysis-GC/MS

... The specific polymers used are polyethylene, poly methyl methacrylate and poly vinyl chloride (PVC). ...cific for that polymer. Unzipping poly methyl methacrylate Some synthetic polymers, ...nerating mostly monomer. This is the case for poly methyl methacrylate, shown in Figure 4. Instead of a seri...
Methyl in Biological Definition

Alcohol

...re methanol and ethanol CH 3 OH (common names methyl alcohol and ethyl alcohol, respectively), which...ng alkyl group and add the word "alcohol", e.g. methyl alcohol, ethyl alcohol or tert -butyl alcoho...under IUPAC rules, indicating a propane chain with methyl and hydroxyl groups both attached to the middle (#...

Enzyme

...ts mechanism: EC 1 Oxidoreductases : catalyze oxidation /reduction reactions EC 2 Transferases : transfer a functional group (e.g., a methyl or phosphate group) EC 3 Hydrolases : catalyze the hydrolysis of various bonds EC 4 Lyases : cleave various bonds by means other than hy...
Methyl in Biological Dictionary

Transesterification

...e transesterification reaction. ... ABSTRACT: methyl esters were produced by transesterification ... ... the separation of ... TRANSESTERIFICATION OF methyl ESTERS OF AROMATIC AND α,β-UNSATURATED ACIDS WITH ...oduct of the transesterification process is Rape methyl Ester (RME) ... ... organic chemistry, transes...

Methylation

...nces denotes the attachment or substitution of a methyl group on various substrates. This term is commonly... methylation is a modification of DNA in which methyl (-CH 3 ) groups are added to certain positions on ... bases methylation n 1. the introduction of a methyl group, CH 3 , to a chemical compound. ... DNA met...

Giemsa stain

... Giemsa stain (2.5%) for 45-60 minutes. ... Sudan stain (Sudan II, Sudan III, Sudan IV, Oil Red O, Sudan Black B) Carbohydrates ... stain ) · methyl blue · Wright's stain · Giemsa stain · Gomori trichrome stain ... Information about Giemsa stain in the free online English ... In the ...
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(Date:10/29/2014)... EAST LANSING, Mich. – As bodies decompose, their ... Deciphering the clues they provide could mean the ... murder. , Michigan State University is using a ... to help Detroit death-scene investigators examine these changing ... such as geographical location of death, gender, race, ...
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