Subscribe to the BioNews newsletter for free

Login
Advanced Search

Search for
BioNews


Printer Friendly Page Follow BioNews on Twitter BioNews RSS feed

 

Login




Glossary

Molecule

The smallest particle of a substance that has all of the physical and chemical properties of that substance. Molecules are made up of two or more atoms - for example , a molecule of water is made up of two atoms of hydrogen and one of oxygen.



Articles using this Glossary Item

First pagePrevious page 1/2 Next pageLast page     10 per page20 per page50 per page100 per page

Myriad Genetics acquires patent on another breast cancer-linked gene

23 January 2012 - by Ayesha Ahmad

Myriad Genetics, a leading US molecular diagnostic company, has been granted exclusive rights to an analysis of the RAD51C gene. Mutations of the gene have been associated with an increased risk for hereditary breast and ovarian cancer and the company now hopes to develop a commercial test for RAD51C....[Read More]

Pioneering clinical trial using cardiac stem cells shows early promise

21 November 2011 - by Victoria Kay

The world's first clinical trial using patients' own cardiac stem cells to repair heart damage has produced surprising results. The preliminary trial was designed simply to test the safety of the procedure, but doctors observed an unexpected improvement in heart function in patients receiving the treatment...[Read More]

UK Supreme Court upholds gene patent

14 November 2011 - by Martin Turner

In what appears to be the end of a long running legal saga, a ruling by the UK's Supreme Court has found in favour of a patent for a gene and the protein sequence it encodes. Lawyers say that the ruling will make it easier to patent discoveries which do not have a clear demonstrated application, a result that will largely please the private bioscience industry but may alarm many who believe that human genes should not be patentable....[Read More]

Genetic regions linked to schizophrenia by two Chinese studies

07 November 2011 - by Dr Nadeem Shaikh

Two Chinese genome wide association studies (GWAS) have identified genomic regions linked to the incidence of schizophrenia. The papers, published in Nature, are some of the first GWAS to look at Chinese as opposed to Western populations....[Read More]

Chronic pain gene discovery may improve treatment

12 September 2011 - by Dr Nadeem Shaikh

A single gene may play a major role in how we perceive pain, UK scientists have discovered. Research published in the journal Science, by a team from the University of Cambridge, shows that the HCN2 gene may be a vital target for future pharmacological research into pain relief...[Read More]

Scientists discover how the egg catches the sperm

05 September 2011 - by Dr Lux Fatimathas

Researchers have discovered a molecule present on the outer surface of a human egg that binds sperm and eggs together before fertilisation. Understanding this mechanism may help people with previously unexplained fertility problems...[Read More]

Radio Review: The First 1,000 Days - A Legacy for Life (Future Generations)

05 September 2011 - by Rosemary Paxman

The immediate impact of environmental factors like diet, smoking and stress on health are well understood. But less is known about how your lifestyle can directly effect the health of your unborn children and grandchildren...[Read More]

Stress response spans generations

04 July 2011 - by Ruth Pidsley

Scientists have shown that the effects of stress can be passed from one generation to the next via chemical changes to the DNA which turn genes on or off without altering the code itself....[Read More]

Scientists discover new way to reverse genetic defects

20 June 2011 - by Dr Rebecca Hill

Scientists have discovered a way to bypass the type of mutation that causes about a third of human genetic diseases. Experiments in yeast have shown how chemical modifications can allow a cell's machinery to ignore mistakes in DNA known as nonsense mutations...[Read More]

Genes and depression, researchers find new region of interest

23 May 2011 - by Rosie Morley

Scientists believe they have identified a new genetic link to severe depression....[Read More]

Caffeine may help with IVF treatment side effects

04 October 2010 - by Matthew Smart

Researchers have found a molecule that they believe plays a key role in ovarian hyperstimulation syndrome (OHSS) - a potentially life-threatening condition that can arise from IVF treatment....[Read More]

Epigenetic link to autism

25 October 2009 - by Dr Rebecca Robey

US scientists have identified a genetic trait that is strongly associated with autism. The genetic change does not involve a mutation within the DNA sequence of a gene but instead involves an alteration in the physical structure of the DNA which affects the way a gene is turned on and off. The researchers hope that the new findings will lead to novel ways to diagnose and treat autism....[Read More]

Human genome sequenced for $50,000 with third generation technology

17 August 2009 - by Will Fletcher

Third-generation 'single-molecule' technology has been used for the first time to read a human genome sequence. Professor Stephen Quake, from Stanford University, California, US, is only the eighth person whose genome has been published since the first breakthroughs were made in 2000. When this latest generation of technology is perfected the hope is that it will bring us one step closer to ‘the $1000 genome' that will open the door to personalised medical treatme...[Read More]

New 'barcode' technique to study gene activity

27 May 2008 - by Stuart Scott

Researchers at the University of Queensland, Australia, have developed a technique to digitally barcode gene activity, handing scientists a uniquely powerful tool for the prediction and prevention of disease. The fluorescent 'nano-string' is simply added to blood where it binds to a molecule of the researchers' choice...[Read More]

Epilepsy gene pair may be 'seizure-protective'

06 November 2007 - by Ailsa Stevens

Two defective genes, which normally cause epilepsy when inherited individually, have been found to protect against seizures when inherited as a pair, according to a report published in the journal Nature Neuroscience. The researchers, based at Baylor Medical Centre in Texas, found that mice genetically engineered to...[Read More]

Research links cannabis smoking to problems in early pregnancy

07 August 2006 - by Heidi Nicholl

New research has suggested a link between cannabis smoking and increased risk of miscarriage or ectopic pregnancy. Cannabis smoking around the time of conception may disrupt a delicate balance of enzymes which allow the early embryo to progress along the fallopian tubes into the uterus and then...[Read More]

New embryo stem cells are step towards therapies

10 March 2005 - by BioNews

US researchers have reported a new method for growing human embryonic stem (ES) cells, which does not rely on the use of 'feeder' cells. The new system, developed by scientists based at Massachusetts biotech firm Advanced Cell Technology (ACT), brings ES cell therapies a step closer. Many previously-isolated human ES...[Read More]

Scotland to launch embryo gene test service

07 March 2005 - by BioNews

Scottish couples at risk of having a child affected by a life-threatening inherited condition are set to benefit from a new preimplantation genetic diagnosis (PGD) service. PGD involves testing IVF embryos, to ensure that only embryos unaffected by a particular genetic condition are returned to a woman's womb. Until now...[Read More]

Genes shed light on body's response to HIV

09 December 2004 - by BioNews

An international team of researchers has identified immune system genes that seem to play a key role in the body's defence against human immunodeficiency virus (HIV), the virus that causes AIDS. The scientists, who published their results in the journal Nature, say their findings should help efforts to develop an...[Read More]

Bush's approved stem cell lines show little potential

01 November 2004 - by BioNews

Two new studies suggest that at least 25 per cent of the embryonic stem (ES) cell lines available for use by federally-funded US researchers have 'little potential even as research tools'. This is because they are too difficult to keep alive and were initially grown using mouse 'feeder' cells, which...[Read More]

First pagePrevious page 1/2 Next pageLast page     10 per page20 per page50 per page100 per page


Events using this Glossary Item

 

Bioinformatics for Trainee Cytogeneticists and Molecular Geneticists
07 September 2009  Nowgen Centre, 29 Grafton Street, Manchester M13 9WU, UK
A course for trainee cytogeneticists and molecular geneticists...[Read More]
Physics of Cells: From the Edge to the Heart
06 September 2009  Congress Centre, Hotel Zora, Raduća BB, Primošten 22202, Šibenik-Knin County, Croatia
The 1st European Molecular Biology Organisation conference on Cell Biophysics...[Read More]
Mouse Genetics and Genomics: Development and Disease
02 September 2009  Wellcome Trust Conference Centre, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1RQ, UK
The 22nd Cold Spring Harbour Laboratory/Wellcome Trust event on Mouse Genetics and Genomics...[Read More]
School on Biology of Social Cognition
09 August 2009  Wellcome Trust Conference Centre, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1RQ, UK
An event addressing the biological underpinnings of social behaviour....[Read More]


BioNews Appeal: Please donate HERE to keep BioNews independent and FREE to read


The Progress Educational Trust has been shortlisted for the Charity Times Awards 2011

Good Fundraising Code


Advertise your products and services HERE - click for further details