Paula Jean

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A Pancreas in a Capsule - MIT Technology Review

Fourteen years ago, during the darkest moments of the “stem-cell wars” pitting American scientists against the White House of George W. Bush, one …

Diabetes

Gene that makes human brain unique identified by scientists

Key DNA strand propels neuron growth in brain’s region central to reasoning, language and sensory perception<p>A strand of DNA that lies at the heart of what makes humans unique in the animal kingdom has been identified by researchers in Germany.<p>Scientists in Dresden found a gene that drives the …

The Brain

Untangling DNA with a droplet of water, a pipet and a polymer

Researchers have long sought an efficient way to untangle DNA in order to study its structure - neatly unraveled and straightened out - under a …

Genetics

Left or right? The brain knows before you move

A neural circuit that connects motor planning to movement has been identified by researchers. The study, the researchers say, explains why injuries …

Neuroscience

The Mechanism Of Microbial Memory

Bacteria can learn how to survive in an environment<p>One of the most fascinating traits of biology is the ability to remember. Memory helps us to use language, orient ourselves geographically and perform various tasks. This characteristic is not only limited to humans; animals also have this ability …

The Science Behind a Crazy 6-Way Kidney Exchange

In a surgery worthy of the most convoluted <i>Grey’s Anatomy</i> plot, surgeons at California Pacific Medical Center in San Francisco completed a two-day, …

Genomes project produces first diagnoses of rare diseases

Three men and their families will be eligible for personalised treatment designed to target their genetic defects<p>Three men from two families are the first patients to be diagnosed with rare diseases after volunteering to have their complete genetic codes mapped as part of the groundbreaking 100,000 …

Genetics

One-time dose of gene therapy treats hemophilia B - Futurity

A new type of gene therapy tested in animals can safely treat hemophilia B by using a virus to swap out faulty genes with new ones.

Gene Therapy

Cancer drug promotes neuronal regeneration after spinal cord injury

This Technology Can Prevent a Superbug Apocalypse

Nearly a century after scientists dug up penicillin, researchers are turning once more to the soil for new pharmaceuticals. But this time, they have …

Abusing Pot in Teenage Years May Damage Adult Memory

A new study has found that teens who were heavy marijuana users have abnormal brain structure and perform poorly on memory tests.<p>Northwestern …

Biology

Drug-Resistant Infections Could Kill 10 Million A Year By 2050

"Superbugs," or drug-resistant infections, could one day eclipse cancer as one of the leading causes of death, according to a new report.<p>If doctors can't find new methods of treatment, in a worst case scenario, annual global deaths from superbug infections could increase from a current estimation …

Routine genetic testing rolled out in cancer fight

Testing cancer patients' genetic code to understand the genetic mutations that cause the illness to become routine part of NHS care, it is hoped<p>Plans for widespread DNA testing for genetic mutations will see tens of thousands of patients diagnosed and treated faster for conditions like …

Public Health

Skin may help spot Alzheimer's and Parkinson's disease

<b>Scientists have proposed a new idea for detecting brain conditions including Alzheimer's - a skin test.</b><p>Their work, which is at an early stage, found the same abnormal proteins that accumulate in the brain in such disorders can also be found in skin.<p>Early diagnosis is key to preventing the loss of …

Dementia

New class of antibiotic could turn the tables in battle against superbugs

Scientists have discovered a new class of antibiotic using a revolutionary procedure hailed as a game changer in the hunt for medicines to fight drug-resistant infections. The antibiotic, called teixobactin, kills a wide range of drug-resistant bacteria, including MRSA and bugs that cause TB and a …

Microbiology

Are Parasites Primal? | Mark's Daily Apple

January 21, 2014<p>By Mark Sisson<p>The environment of ages past has shaped who we are today, even (or especially) the difficult, unpleasant stuff – this …

At Last, I Meet My Microbes

A veritable jungle of organisms is helping keep each of us alive. But we've been rather negligent hosts. For starters, we don't even know who has shown up for the party.<p>When I signed myself, my husband, our dog and my mother up for the American Gut Project to have our gut microbes analyzed last …

The Surprising Link Between Gut Bacteria And Anxiety

In recent years, neuroscientists have become increasingly interested in the idea that there may be a powerful link between the human brain and gut bacteria. And while a growing body of research has provided evidence of the brain-gut connection, most of these studies so far have been conducted on …

Microbiology

‘I didn’t show any artistic talent until they drilled holes in my head,’ says Parkinsons sufferer Bernard McGrath

HAVING probes inserted into his skull was an unlikely way to awaken Bernard McGrath’s artistic talents.

Resilience eases homecomings for soldiers - Futurity

Emotional hardiness and social support appear to protect returning soldiers from mental health problems like PTSD and excessive drinking.

Potential to repair injured adult brains by reprogramming 'support cells' into neurons

The portion of the adult brain responsible for complex thought, known as the cerebral cortex, lacks the ability to replace neurons that die as a …

Brain damage could be repaired by creating new nerve cells

Researchers have regenerated damaged areas in the brains of mice by converting structural cells into functioning neurons<p>Scientists have raised hopes that brain damage caused by strokes, stab wounds and even bullets could one day be repaired by converting structural cells into functioning …

Turning skin cells into brain cells: a Huntington's disease research breakthrough?

Scientists can now change human skin cells into working neurons, like the ones that are most affected in HD.<p>By Lakshini Mendis on November 27, …

Heterogeneity and Convergence of Olfactory First-Order Neurons Account for the High Speed and Sensitivity of Second-Order Neurons

Abstract<p>In the olfactory system of male moths, a specialized subset of neurons detects and processes the main component of the sex pheromone emitted …

Algorithms

Neuroscientists Reveal Fundamental Discovery About Cortical Neurons

<b>Inhibitory neuron functionality is not an immutable property of cortical cells, but a consequence of more complex network dynamics.</b><p>The two major …

Neuroscience

Serotonin Neuron Subtypes

<b>New insights could inform SIDS understanding, depression treatment.</b><p>Breathing. Body temperature. Mood. Appetite. Blood pressure. Sexual desire.<p>Name a …

Microexons: Small fragments of genes, essential for neuron maturation

The genome is the cell’s book of instructions. All the cells in our body contain the same genomic information but each of them “reads” the gene …

Teens with Head Trauma Far More Likely to Use Drugs, Alcohol

Teens who have suffered a traumatic brain injury (TBI) are two to four times more likely to use drugs or alcohol, compared with teens with no history …