Molecular Biology News and Research

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Molecular biology is the study of biology at a molecular level. The field overlaps with other areas of biology and chemistry, particularly genetics and biochemistry. Molecular biology chiefly concerns itself with understanding the interactions between the various systems of a cell, including the interactions between DNA, RNA and protein biosynthesis as well as learning how these interactions are regulated.

Alterations in a tumor suppressor gene called p53 are more prevalent in breast cancer of African-American women than white women

Ethnic differences in the incidence and mortality rates of breast cancer are noted in the United States and worldwide. In the U.S., the most apparent differences are seen between African-American and white women. African-American women have lower incidence rates of the disease, but have higher mortality rates. Moreover, African-American women present at a younger age and with more aggressive disease.

9 Aug 2004

New gene-silencing technique

A new gene-silencing technique that takes place in the nucleus of human cells, has been demonstrated by researchers at the University of California, San Diego (UCSD) School of Medicine and the VA San Diego Healthcare System.

5 Aug 2004

Experimental vaccine against ricin

Scientists have developed an experimental vaccine against ricin, a potential biological threat agent, which fully protected mice from aerosol challenge with lethal doses of the toxin.

5 Aug 2004

Entirely new approach to the treatment of aging

Dispelling the belief that the only way to treat such conditions is by fixing or replacing damaged genes, they instead focused on the field of epigenetics—the study of changes in gene silencing that occur without changes in the genes themselves.

3 Aug 2004

New screening technique to look for genes that change patients' responses to cancer drugs and other medications

Scientists have developed a new screening technique to help them look for genes that change patients' responses to cancer drugs and other medications.

3 Aug 2004

First-of-its-kind noninvasive imaging technique shows two proteins interacting

Radiologists at Washington University School of Medicine in St. Louis have developed a first-of-its-kind noninvasive imaging technique that allows them to watch two proteins interacting in live animals.

2 Aug 2004

DNA of rare and endangered species is to be preserved for future generations

The DNA of rare and endangered species is to be preserved for future generations, thanks to a groundbreaking new project involving scientists at The University of Nottingham, the Institute of Zoology and London’s Natural History Museum.

29 Jul 2004

Federal agencies should assess the safety of genetically altered foods, whether produced by genetic engineering or by other techniques

Federal agencies should assess the safety of genetically altered foods -- whether produced by genetic engineering or by other techniques, such as conventional breeding for desirable traits -- on a case-by-case basis to determine whether unintended changes in their composition could adversely affect human health, says a new report from the National Academies' National Research Council and Institute of Medicine.

29 Jul 2004

Eradicating deadly E. coli O157:H7 from the bottoms of cows may prevent future outbreaks of food poisoning

According to an article in the August 2004 issue Microbiology Today, the quarterly magazine of the Society for General Microbiology, the majority of people with E. coli O157:H7, picked up the infection from cattle, either through direct contact with faeces or by consuming contaminated meat or milk.

28 Jul 2004

Leptin's fat-burning role in humans

For nearly a decade, scientists have known that leptin plays an important fat-burning role in humans. But the map of leptin's path through the body – the key to understanding how and why the hormone works – is still incomplete.

27 Jul 2004

8.5 million Euros to address a fundamental question on mitosis: How is cell division regulated?

Scientists at the European Molecular Biology Laboratory (EMBL) join forces with top scientists from eleven research institutes in Austria, Germany, Italy, France and the United Kingdom for “MitoCheck” – the largest integrated research project on cell cycle control within the European Commission’s 6th Framework Programme (FP6).

15 Jul 2004

The structure of AGT shows how one human protein reduces the potency of chemotherapy

The fine details of this x-ray structure may help scientists find ways to fight certain cancers, such as brain tumors, which express high levels of AGT making them resistant to chemotherapy.

9 Jul 2004

Gene responsible for the onset of aging

Mayo Clinic researchers have discovered a gene responsible for the onset of aging, including age-related disorders such as infertility, reproductive problems and cataracts.

7 Jul 2004

Mucus may be the key to new treatments for cystic fibrosis

The surprising finding that people with cystic fibrosis (CF) produce too little airway mucus – rather than too much, as it commonly believed

1 Jul 2004

By altering a single gene you could live longer and be thinner

Imagine that by altering the function of a single gene, you could live longer, be thinner and have lower cholesterol and fat levels in your blood.

30 Jun 2004

Gene mutation gradually causes devastating effects on cellular structure and function in Hutchinson-Gilford progeria syndrome

A mutation of the gene for lamin A protein gradually causes devastating effects on cellular structure and function in Hutchinson-Gilford progeria syndrome

29 Jun 2004

Relatively difficult for the AIDS virus to develop resistance to the drug, tenofovir, or the DAPY (diarylpyrimidine) family of compounds

HIV is a moving target, unpredictably changing direction to elude anti-AIDS drugs, but researchers at Rutgers are clearly on the track of solutions to combat HIV drug resistance.