Chromosome News and Research

Latest Chromosome News and Research

There is a new twist on the question of how biological clocks work

In recent years, scientists have discovered that biological clocks help organize a dizzying array of biochemical processes in the body. Despite a number of hypotheses, exactly how the microscopic pacemakers in every cell in the body exert such a widespread influence has remained a mystery.

21 Nov 2007

Why are males in evolutionary overdrive even though they have essentially the same genes as females?

The observation that males evolve more quickly than females has been around since 19th century biologist Charles Darwin noted the majesty of a peacock's tail feather in comparison with the plainness of the peahen's.

15 Nov 2007

Human RecQ helicases, homologous recombination and genomic instability

Two independent papers in the December 1st issue of G&D detail how human RecQ helicases regulate homologous recombination and protect genome stability.

15 Nov 2007

Telomerase enzyme structure provides significant new target for anti-cancer therapies

Inappropriate activation of a single enzyme, telomerase, is associated with the uncontrollable proliferation of cells seen in as many as 90 percent of all of human cancers. Since the mid-1990s, when telomerase was first identified in human tumors, scientists have eyed the enzyme as an ideal target for developing broadly effective anti-cancer drugs.

14 Nov 2007

Abnormal glutamine repeats interfere with key transcription factor, leading to neurodegeneration

Although repeating sequences of three nucleotides encoding some of the bodies' 20 amino acids are a normal part of protein composition, abnormal expansion of trinucleotide repeats is the known cause of multiple inherited neurodegenerative disorders, including Huntington disease.

14 Nov 2007

Are there rearrangement hot spots in the human genome?

The debate over the validity of genomic rearrangement "hotspots" has its most recent addition in a new theory put forth by researchers at the University of California San Diego.

13 Nov 2007

Sex ratio skew explained

If you met a person who had 10 children, all of whom were girls, you would probably find this surprising.

6 Nov 2007

New view of lung cancer genome

An international team of scientists, supported in part by the National Human Genome Research Institute (NHGRI), one of the National Institutes of Health (NIH), have announced that its systematic effort to map the genomic changes underlying lung cancer has uncovered a critical gene alteration not previously linked to any form of cancer.

5 Nov 2007

Researchers identify gene behind rheumatoid arthritis

University of Manchester researchers have identified a genetic variant in a region on chromosome 6 that is associated with rheumatoid arthritis (RA), the most common inflammatory arthritis affecting 387,000 people in the UK.

From The University of Manchester 5 Nov 2007

Comprehensive view of the abnormal genetic landscape in lung cancer cells

An international team of scientists has announced the results of a systematic effort to map the genetic changes underlying lung cancer, the world's leading cause of cancer deaths.

5 Nov 2007

Manipulation of MOF enzyme may make tumors more sensitive to radiation therapy

To make tumors more sensitive to the killing power of radiation is a key aspiration for many radiation oncologists. Researchers at Washington University School of Medicine in St. Louis have uncovered new information that leads them closer to that goal.

5 Nov 2007

Researchers discover new gene responsible for Brugada syndrome

Researchers at the University of Pittsburgh School of Medicine have identified a new gene responsible for a rare, inherited form of sudden cardiac arrest, known as Brugada syndrome.

1 Nov 2007

Discovery of gene variant linked to prostate cancer in African Americans

Researchers report a newly identified genetic variation that is linked to higher incidence of prostate cancer in African American men.

1 Nov 2007

New genetic variant associated with prostate cancer in African-Americans

Two tiny genetic variations may provide the best clues yet for finding more precise ways to estimate prostate cancer risk and improve screening and early detection for men of African descent, report researchers from the University of Chicago and the Translational Genomics Research Institute, Phoenix, AZ, in the December 2007 issue of Genome Research, published early online.

1 Nov 2007

Lithium commonly used to treat bi-polar disorder increases lifespan in Nematode worms

Nematode worms treated with lithium show a 46 percent increase in lifespan, raising the tantalizing question of whether humans taking the mood affecting drug are also taking an anti-aging medication.

31 Oct 2007

Tasigna gets the green light in the U.S. to treat Chronic Myeloid Leukemia

The Food and Drug Administration (FDA) in the U.S. has given approval for a new drug to treat chronic myeloid leukemia (CML).

30 Oct 2007

Discovery of new peptide communication factor in bacteria

Discovery by Hebrew University of Jerusalem researchers of a new communication factor that enables bacteria to "talk to each other" and causes their death could have significant consequences leading to development of a new class of antibiotic medications.

29 Oct 2007