Medicine News

Scientists Discover New Dangerous Subtype of Streptococcus pyogenes

Streptococcus pyogenes under the electron microscope (false color). Image credit: Vincent Fischetti, Rockefeller University / CDC.
Jul 15, 2015 by News Staff

A team of scientists led by Imperial College London has discovered a new subtype of emm89 Streptococcus pyogenes that has contributed to a rise in disease cases in the United Kingdom over the last two decades. Streptococcus pyogenes under the electron microscope (false color). Image credit: Vincent Fischetti, Rockefeller University / CDC. The human pathogen Streptococcus pyogenes (Group A Streptococcus) causes around 600 million infections per year...

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Prevalence of diabetes worldwide in 2000 (per 1,000 inhabitants). Image credit: Lokal_Profil / CC BY-SA 2.5.

Scientists Discover New Genetic Form of Type 2 Diabetes

Jun 30, 2015 by News Staff

A new inherited form of type 2 diabetes and obesity has been discovered by a team of scientists co-led by Dr Anthony Goldstone and Prof Alexandra Blakemore...

Transmission electron micrograph (false-color) of negatively stained SIRV2 particles. Image credit: Nicole Steinmetz et al.

Extremophile Virus SIRV2 Could Help Kill Anthrax, Other Pathogens

May 27, 2015 by News Staff

An unusual virus called Sulfolobus islandicus Rod-shaped Virus 2 (SIRV2 for short) could be a new weapon in the fight against pathogens, says an international...

Scanning electron micrograph of methicillin-resistant Staphylococcus aureus, yellow. Credit: NIAID.

Cigarette Smoke Makes Methicillin-Resistant Staphilococcus aureus More Aggressive

Apr 6, 2015 by News Staff

A new study, led by Dr Laura Crotty Alexander of the Veterans Affairs San Diego Healthcare System and the University of California San Diego, shows that...

Colorized scanning electron micrograph of HIV-1, grown in cultured lymphocytes; virions are seen as small spheres on the surface of the cells. Image credit: C. Goldsmith.

Two Lineages of HIV-1 Viruses Originated in Gorillas, New Study Finds

Mar 3, 2015 by News Staff

Two of the four lineages of HIV-1 viruses have originated in western lowland gorillas, a new study reported in the Proceedings of the National Academy...

Ebola virus virion. Image credit: Cynthia Goldsmith / CDC.

Tetrandrine: Compound from Japanese, Chinese Herbs Shows Promise for Blocking Ebola Virus

Feb 27, 2015 by News Staff

In a new study published in the journal Science, tetrandrine – an alkaloid found in Stephania tetrandra (commonly known as stephania root or ‘han...

This scanning electron micrograph shows macrophages infected with Bacillus anthracis (Max Planck Institute for Infection Biology)

Teixobactin: Powerful New Antibiotic Kills Drug-Resistant Bacteria

Jan 9, 2015 by News Staff

A group of researchers led by Prof Kim Lewis of Northeastern University in Boston, Massachusetts, has discovered a new antibiotic that eliminates Methicillin-resistant...

Dietary cocoa flavanols reverse age-related memory decline in healthy older adults. Image credit: © Marion Beraudias.

Cocoa Flavanols Can Reverse Memory Loss in Older Adults

Oct 27, 2014 by News Staff

According to a team of scientists headed by Dr Scott Small of Columbia University, flavanols – naturally occurring bioactives found in the cacao...

Scientists Discover First ‘Virological Penicillin’

Oct 15, 2014 by Natali Anderson

Chinese researchers have discovered what they say is the first ‘virological penicillin’ – MIR2911, a molecule found naturally in a Chinese...

A false-color image of stem cells from human corneal limbus. Scale bar - 100 µm. Image credit: Chen X et al.

Stem Cells from Corneal Limbus Offer Hope for Effective Treatment of Incurable Blindness

Oct 11, 2014 by News Staff

The Corneal limbus – a region on the front surface of the eye – harbors special stem cells that could treat a range of conditions including...

Colorized transmission electron micrograph of adenovirus. Image credit: Dr G. William Gary, Jr. / CDC.

Retooling for Human Gene Therapy: New and Improved Adenoviral Vectors

Aug 20, 2014 by Bhuminder Singh

Dr Juliana Small of the University of Pennsylvania, Drs Raj Kurupati, Xianqyang Zhou and their colleagues from the Wistar Institute have developed a novel...

Section view of the human eye.

DENAQ: New Chemical Restores Light Perception to Blind Mice

May 6, 2014 by News Staff

According to scientists led by Dr Richard Kramer from the University of California, a chemical ‘photoswitch’ named DENAQ may be a potential drug for...

Epilepsy is a brain disorder causing seizures that disturb brain activity. Image credit: Epilepsy Foundation.

Hyaluronan: New Cause of Epilepsy Discovered

May 5, 2014 by News Staff

Deficiencies in hyaluronan, a substance that occurs naturally inside the body and attracts water molecules, can lead to spontaneous epileptic seizures,...

Tarantula. Image credit: Michael Gäbler / CC BY 3.0.

Tarantula Venom Could Lead to New Effective Painkillers

Feb 17, 2014 by News Staff

Using an innovative screening method, a team of scientists from Australia and the United States has discovered a peptide in the venom of the Peruvian green...

A diagram of the airway lining suggests how the pulmonary neuroendocrine cells (red) trigger a response to inhaled chemicals. When a chemical (orange triangle) docks on a receptor (black) they dump secretory chemicals (thin orange arrows), which have an immediate but localized effect on muscles (blue) and nerves (pink), possibly triggering responses such as a cough. Image credit: Yehuda Ben-Shahar.

Scientists Discover Odor Receptors in Human Lungs

Jan 3, 2014 by News Staff

According to a new study published in the American Journal of Respiratory Cell and Molecular Biology, human lungs have odor receptors. A diagram of the...

Sanford-Burnham Medical Research Institute researchers found that retinoid-related orphan receptor gamma-t (RORγt) and interleukin-7 (IL-7) influence gamma-delta T-cell homeostasis and function by regulating expression of the inhibitory receptor, B and T lymphocyte attenuator (BTLA). Image credit: Bekiaris V et al

Molecular Pathway Discovery May Help Treat Psoriasis, Crohn’s Disease, Arthritis

Dec 26, 2013 by News Staff

A team of scientists at Sanford-Burnham Medical Research Institute has found a new molecular pathway that rebalances the immune system by turning down...

LRIG1 negatively regulates EGFR signaling. Image credit: Yang Wang et al.

New Link Found between Stem Cells, Cancer Development

Dec 12, 2013 by News Staff

Dr Yang Wang and colleagues from Vanderbilt University have shown a novel mechanism of cancer development through EGFR negative regulator, LRIG1. LRIG1...

Zucker Rat, a pet rat that has developed diabetes as a result of a genetic disorder that causes obesity. Image credit: Joanna Servaes / CC BY-SA 3.0.

Obesity is Inflammatory Disease, Rat Study Shows

Dec 5, 2013 by News Staff

Scientists led by Dr David Fairlie from the University of Queensland, Australia, have found abnormal amounts of an inflammatory protein called PAR2 in...

This scanning electron micrograph shows the methicillin-resistant Staphylococcus aureus. Image credit: NIAID.

Study: Unique Combination of Antibiotics Kills Methicillin-Resistant Staphylococcus aureus

Nov 15, 2013 by News Staff

According to new research published this week in the journal Nature, an acyldepsipeptide antibiotic called ADEP in combination with the bactericidal antibiotic...

A new painless technique uses infrared laser light to measure sugar levels in the fluid in and under skin cells. Image credit: Bitesizebio.com.

Novel Painless Technique Measures Blood Sugar with Light

Nov 4, 2013 by News Staff

German researchers have developed an innovative approach for measuring blood glucose levels in diabetic patients. A new painless technique uses infrared...

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