Tuesday, July 18, 2017
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dopamine

“Happiness Hormone” Dopamine Controls Immune Defence

When a foreign substance invades our body, the body produces antibodiesthat recognise and fight the intruder. In specialised regions of the lymph nodes, so-called...
Caterpillars

Obstacle Course for Caterpillars

"Caterpillars can occasionally be skewered by the spines," says Rupesh Kariyat, a scientist at ETH Zurich's Institute of Integrative Biology. "But first and foremost,...
Caterpillar

Obstacle course for caterpillars

Spines and thorns keep hungry mammals at bay – or at least, that's the conventional wisdom. However, ETH researchers have now shown that spiky growths on plants make life difficult for caterpillars too. This finding could be important for crop breeding.
Arteries

Engineering Arteries

Stem cell biologists have tried unsuccessfully for years to produce cells that will give rise to functional arteries and offer physicians new options for combating...
nanotubes

Carbon Nanotubes Mimic Biology

Proteins in lipid membranes are one of the fundamental building blocks of biological functionality. Lawrence Livermore researchers have figured out how to mimic their...
cancer, diabetes, autism, Tourette syndrome

Lymph Node Metastases May Not Always Be the Source of Cancer’s...

A study led by Massachusetts General Hospital (MGH) investigators has found that the traditional model for the spread of carcinoma, the deadliest form of...
Leishmaniasis

Skin Plays Significant Role in Spread of Leishmaniasis

Visceral leishmaniasis is a parasitic infection that kills 20-40 thousand people each year across 56 countries, mainly in the developing world. There is no...
sugarcane

Study Clarifies Process of Sugarcane Genome Evolution

Brazil is the world’s largest producer of sugarcane, with more than 7 million hectares planted and an annual crop of 480 million metric tons,...
Diabetes

Bioengineers Improve Diabetes Monitor’s Versatility, Durability

Researchers at The University of Texas at Dallas are getting more out of the sweat they’ve put into their work on a wearable diagnostic...
heart enlargement

Study Identifies Key Player in Heart Enlargement

The heart is a dynamic muscle that grows and shrinks in response to stressors such as exercise and disease. The secret to its malleability...
whalesvideo

Study Shows High Pregnancy Failure in Southern Resident Killer Whales; Links...

A multi-year survey of the nutritional, physiological and reproductive health of endangered southern resident killer whales suggests that up to two-thirds of pregnancies failed...
cancer

New Insight into How Telomeres Protect Cells from Premature Senescence

Researchers at the Institute of Molecular Biology (IMB) and Johannes Gutenberg University Mainz (JGU) have further uncovered the secrets of telomeres, the caps that...
polymer

To Connect Biology with Electronics, Be Rigid, yet Flexible

The problem is a fundamental incompatibility in communication styles. That conclusion might crop up during divorce proceedings, or describe a diplomatic row. But scientists designing...
drug resistance

Drug Design Strategy Boosts the Odds Against Resistance Development

A new rational drug design technique that uses a powerful computer algorithm to identify molecules that target different receptor sites on key cellular proteins...
Primordial Proliferation

Protein Prompts a Primordial Proliferation

Female babies are born with a full set of egg precursors in their ovaries, yet the molecular mechanism by which these cells proliferate during...
nanofibers

Spiderwebs Made of Nanofibers

Cribellate spiders are those, which in contrast to most other spiders, do not use glue on their threads but rather are capable of turning...
tanning

Mass. General-led Study Replicates Tanning Response in Cultured Human Skin

Investigators at Massachusetts General Hospital (MGH) and Dana-Farber Cancer Institute (DFCI) have developed a way of increasing pigmentation in human skin without the damaging...
drug discovery, phenylketonuria, protein, cellulosic biofuel, Alexander disease, Liquid Crystal

Finding Useful Chemicals from Fungi, Faster

Fungi are rich sources of natural molecules for drug discovery, but many challenges have pushed pharmaceutical companies away from tapping into this bounty. Now scientists...
Pediatric Disease

Uncovering the Biology of a Painful and Disfiguring Pediatric Disease

Hyaline Fibromatosis Syndrome (HFS) is a rare but severe genetic disease that affects babies, children, and adults. A glassy substance called hyaline accumulates in the skin and...
viral infection

The Cost of “Living”: How Viruses Hijack a Host’s Energy Supply

Viruses occupy a strange no-man's-land between the living and the nonliving. In order to reproduce, they must infect a living host and hijack its...