Enzyme News and Research

RSS

Anti-aging hormone called Klotho actions explained

Scientists recently discovered an anti-aging hormone called Klotho. Now, a new study shows that this protein acts by increasing the cell's ability to detoxify harmful reactive oxygen species.

7 Nov 2005

New understanding of sphingosine kinases called SphK1 and SphK2

Virginia Commonwealth University Massey Cancer Center researchers have found that two enzymes that catalyze the same reaction and produce the same product have opposite effects on cell growth and death.

7 Nov 2005

Gene silencing and microRNA discovery

One of the body's primary strategies for regulating its genome is a kind of targeted gene silencing orchestrated by small molecules called microRNAs, or miRNAs.

7 Nov 2005

Accumulation of fat in the liver linked to hypertension

The accumulation of fat in the liver, or "fatty liver," resulting from accumulation of central body fat, and perhaps not alcohol consumption, may represent an important underlying mechanism for the association between liver enzymes and hypertension.

3 Nov 2005

Vaccine that targets nicotine rather than the brain's reaction to it

Since smoking became popular in America in the 1930s, lung cancer rates have continued to climb. Today, it is still the leading cause of cancer-related deaths, with totals more than the other five leading cancers combined.

3 Nov 2005

Capecitabine and Gemcitabine help battle pancreatic cancer

The prognosis of pancreatic cancer is poor but new therapies such as gemcitabine have contributed to improving the outcome for patients. Data presented at the 13th European Conference (ECCO) revealed that using the combination of gemcitabine and capecitabine increased overall survival in some patients.

3 Nov 2005

Dynamic protein personalities reveal traits

A Brandeis University study published in Nature this week advances fundamental understanding of the dynamic personalities of proteins and proposes that these enzymes are much more mobile, or plastic, than previously thought.

3 Nov 2005

First steps taken to treat human hereditary blindness

A team led by Krzysztof Palczewski, Ph.D., chair of pharmacology at the Case Western Reserve University School of Medicine, has taken the first steps in treating an eye disease causing irreversible congenital blindness in millions of people worldwide by successfully testing two new treatments in mice.

3 Nov 2005

Colon cancer and fruit and vegetable products

The amounts of health promoting compounds in fruit and vegetable products vary so much that the possible beneficial health effects from these products is far from optimal.

3 Nov 2005

Reagent under study as cancer vaccine may also help protect tumors

A bacterial mimic under study as a cancer vaccine because it signals the immune system to attack may also help some tumors hide, researchers have found.

1 Nov 2005

Molecule called metallacarborane appears to fight HIV protease

A molecule consisting of two "cages" of metallic atoms bound to carbon has shown great promise in preliminary tests of becoming a new weapon in the anti-HIV arsenal, researchers at UT Southwestern Medical Center report.

1 Nov 2005

Discovery of signaling mechanism may help prevent metastatic melanoma

Researchers at Northwestern University have discovered a key signaling mechanism that may promote the ability of highly aggressive malignant melanoma cells to metastasize, or spread from a primary tumor to distant sites within the body.

1 Nov 2005

iNOS inhibitors may be effective therapies for Alzheimer's disease

A noxious gas speeds up brain degeneration in Alzheimer's disease, according to a study in the November 7 issue of The Journal of Experimental Medicine.

1 Nov 2005

Treatment for Leber Congenital Amaurosis

U.S. researchers have taken the first steps in treating an eye disease that causes irreversible blindness in humans by successfully testing two novel treatments in mice.

1 Nov 2005

Search for genes responsible for anxiety disorders

Increasing the activity of two enzymes better known for their role in oxidative stress metabolism turns normally relaxed mice into "Nervous Nellies," according to research conducted at the Salk Institute for Biological Studies and reported in the early online edition of Nature.

30 Oct 2005

New insights into how genetic mutations arise

Researchers at Stanford University have created a larger-than-normal DNA molecule that is copied almost as efficiently as natural DNA.

27 Oct 2005

Natural blood sugar level lowering compound could lead to new drugs to treat type 2 diabetes

A carbohydrate isolated from the liver lowers blood sugar levels after it is injected into diabetic rats, according to research carried out by a team of experts at the University of Virginia Health System (UVHS).

27 Oct 2005

Bouncing helicases possibly play a preventative role in keeping the genome intact

Researchers studying how proteins called helicases travel along strands of DNA have found that when the proteins hit an obstacle they snap back to where they began, repeating the process over and over, possibly playing a preventative role in keeping the genome intact.

27 Oct 2005

Simple urine test detects bladder cancer

According to Italian researchers a simple and accurate urine test can detect bladder cancer early and they say the test should be used on smokers and others prone to the disease.

26 Oct 2005

Study provides insight into cellular defenses against genetic mutation

With their latest discovery, researchers have significantly advanced the understanding of how human cells protect themselves from constant and potentially destructive changes in gene expression.

25 Oct 2005