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DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).

Ebselen effectively inhibits thioredoxin reductase system in H. pylori, M. tuberculosis

A drug currently being used to treat ischemic strokes may prove to be a significant advance in the treatment of tuberculosis and ulcers. In a new research report appearing online in The FASEB Journal, a compound called ebselen effectively inhibits the thioredoxin reductase system in a wide variety of bacteria, including Helicobacter pylori which causes gastric ulcers and Mycobacterium tuberculosis which causes tuberculosis.

21 Dec 2012

Coffee habit improves survival chances with oral cancer

Drinking more than four cups of coffee per day lowers the risk for death from oral/pharyngeal cancer by almost half compared with drinking none, according to US study findings.

20 Dec 2012

V-chip could allow health care providers to do 50 different tests in one go

A new device about the size of a business card could allow health care providers to test for insulin and other blood proteins, cholesterol, and even signs of viral or bacterial infection all at the same time—with one drop of blood. Preliminary tests of the V-chip, created by scientists at The Methodist Hospital Research Institute and MD Anderson Cancer Center, were published last night by Nature Communications.

20 Dec 2012

Few alcohol-related story ideas from The Methodist Hospital

The holidays are a time to consume -- food, gifts, and spirits. Here are a few alcohol-related story ideas from The Methodist Hospital. Because alcohol's effects on human physiology are complex, advice about is often contradictory.

20 Dec 2012

Ion channel acts as powerful ‘brake’ after epileptic seizures

Given that epilepsy impacts more than 2 million Americans, there is a pressing need for new therapies to prevent this disabling neurological disorder. New findings from the neuroscience laboratory of Mark S. Shapiro, Ph.D., at The University of Texas Health Science Center at San Antonio, published Dec. 20 in the high-impact scientific journal, Neuron, may provide hope.

19 Dec 2012

New antibiotic principle for fighting bacterial infections

Scientists at Karolinska Institutet in Sweden have presented a new principle for fighting bacterial infections, in other words, a new type of antibiotic, in the FASEB Journal.

19 Dec 2012

Budding yeast an acceptable model system to study KP1019 anti-cancer drug

Researchers have found that the budding yeast (Saccharomyces cerevisiae) is an acceptable model system to study KP1019, an anti-cancer drug that uses ruthenium, a rare metal, a new study found. Researchers had previously been interested in studying KP1019 because it is believed to cause cancer cell death and is not known to have negative secondary side effects for healthy tissues.

19 Dec 2012

Study: Purines fend off damage during anesthesia

Anesthesia is quite safe these days. But sometimes putting a patient under to fix one problem, such as heart damage, can harm a different organ, such as a kidney.

19 Dec 2012

Klerokinesis may prevent some cancers from developing

Researchers at the University of Wisconsin Carbone Cancer Center have discovered a new form of cell division in human cells.

18 Dec 2012

Range of epigenetic immunoassays from VolitionRx now available for research use

VolitionRx Limited, a life sciences company focused on developing blood-based diagnostic tests, announces the launch of NuQ, its range of research use only epigenetic immunoassays, to be available for sale at www.nucleosomics.com.

17 Dec 2012

Study reveals how BRCA1 enzymatic activity may stop cancer cell growth

A new study by Georgetown University Medical Center researchers reveals how a well-known tumor suppressor gene may be functioning to stop cancer cell growth.

17 Dec 2012

Loading up on snack foods may increase cancer risk in individuals with Lynch syndrome

A new analysis has found that loading up on snack foods may increase cancer risk in individuals with an inborn susceptibility to colorectal and other cancers. Published early online in CANCER, a peer-reviewed journal of the American Cancer Society, the study suggests that an eating pattern low in snack foods could help these individuals-who have a condition called Lynch syndrome-lower their risk.

17 Dec 2012

Apophysomyces fungus kills 5 people following a massive Joplin tornado

A fast growing, flesh-eating fungus killed 5 people following a massive tornado that devastated Joplin, Mo., according to two new studies based on genomic sequencing by the Translational Genomics Research Institute (TGen) and the U.S. Centers for Disease Control and Prevention (CDC).

16 Dec 2012

Researchers identify 125 genetic components in temozolomide-resistant, GBM-derived cell line

University of Pittsburgh Cancer Institute (UPCI) researchers have identified over 125 genetic components in a chemotherapy-resistant, brain tumor-derived cell line, which could offer new hope for drug treatment to destroy the cancer cells.

15 Dec 2012

Paroxetine could treat vascular complications of diabetes

University of Texas Medical Branch at Galveston researchers have discovered that the commonly used antidepressant drug paroxetine could also become a therapy for the vascular complications of diabetes.

14 Dec 2012

Researchers identify how RecA protein helps broken DNA find way to bridge the gap

Every time a human or bacterial cell divides it first must copy its DNA. Specialized proteins unzip the intertwined DNA strands while others follow and build new strands, using the originals as templates. Whenever these proteins encounter a break - and there are many - they stop and retreat, allowing a new cast of molecular players to enter the scene.

14 Dec 2012

Study finds new evidence that vitamin D decreases risk of autism in children

A study just published online in the peer-reviewed journal Dermato-Endocrinology found additional evidence that vitamin D reduces the risk of developing autism.

14 Dec 2012

Meridian completes beta trials for two new illumigene molecular amplification tests

Meridian Bioscience, Inc. today announced that it has successfully completed beta trials for two new illumigene molecular amplification tests.

14 Dec 2012

EZH2 protein enables advanced prostate cancers to spread without stimulation by male hormones

Scientists at Dana-Farber Cancer Institute have discovered a molecular switch that enables advanced prostate cancers to spread without stimulation by male hormones, which normally are needed to spur the cancer's growth. They say the finding could lead to a new treatment for prostate cancers that are no longer controlled by hormone-blocking drugs.

14 Dec 2012

3M Molecular detection assay Salmonella certified by AFNOR Certification

3M Food Safety today announced its 3M™ Molecular Detection Assay Salmonella received an NF VALIDATION mark from AFNOR Certification. The Salmonella assay was among three pathogen test kits the company introduced alongside its novel 3M™ Molecular Detection System less than a year ago. In April, AOAC Research Institute granted PTM SM certification of the Salmonella assay, another important confirmation of the technology's effectiveness in detecting the bacteria.

13 Dec 2012