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Science News

Researchers explore how a cell’s protein-making factories are assembled

Ribosomes, the molecular factories that produce all the proteins a cell needs to grow and function, are themselves made up of many different proteins and four RNAs. And just as an assembly line must be built before it can manufacture cars, these tiny factories must be constructed before they can ...
Science News

Researchers identify potential new leukemia drug target

New treatment options are badly needed for acute myeloid leukemia, a relatively rare form of cancer. The malignancy begins in the bone marrow, and from there can spread rapidly to the bloodstream, depriving the body of the essential blood cells that carry oxygen and fight infections. Now, new wor...
Science News

Newly described ion channel structure reveals how excited neurons settle down

Within the brain, some neurons fire off hundreds of signals per second, and after ramping up for such a barrage, they need to relax and reset. A particular type of ion channel helps bring them down, ensuring these cells don’t get overstimulated—a state that potentially can lead to severe epilept...
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Finches offer researchers a new tool to study Huntington’s disease

Many neurological disorders can rob someone of the ability to speak clearly, causing them to stutter, mispronounce words, and struggle to put together coherent sentences. However, the molecular and neurological dysfunctions that cause these symptoms aren’t well understood. Recent work at The Rock...
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Researchers probe the physical forces involved in creating the mitotic spindle

Many millions of times per day, football-shaped structures called mitotic spindles form within the body’s cells as they prepare to divide. The process is routine but mysterious, as the micro-mechanics involved are not yet well understood. In research published October 1 in Developmental Cell, sci...
Science News

Study offers insight on how a new class of antidepressants works

A new class of drugs under development to treat depression has shown some success by targeting brain cells’ ability to respond to the chemical messenger glutamate. But the mechanism by which these experimental therapies work has remained unknown. The recent discovery, by a Rockefeller University-...
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New findings help explain how molecules are speedily transported into and out of the cell's nucleus

A cell does everything it can to protect its nucleus, where precious genetic information is stored. That includes controlling the movement of molecules in and out using gateways called nuclear pore complexes (NPCs). Now, researchers at The Rockefeller University, Albert Einstein College of Medici...
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For worms, positive thinking is the key to finding food

Caenorhabditis elegans, a tiny roundworm, spends much of its lifetime searching for soil bacteria to eat. This humble creature possesses 302 neurons, which may not seem like a lot compared to the billions of nerve cells that make up the human brain. Nonetheless, it uses sophisticated strategies t...
Science News

New findings shed light on fundamental process of DNA repair

Inside the trillions of cells that make up the human body, things are rarely silent. Molecules are constantly being made, moved, and modified — and during these processes, mistakes are sometimes made. Strands of DNA, for instance, can break for any number of reasons, such as exposure to UV radiat...
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Research identifies a protein that helps determine the fate of RNA

After it is transcribed from DNA, RNA can go on to many fates. While the most familiar path may lead directly to the production of protein, RNA molecules themselves can also become capable of altering the expression of genes. New research helps explain how the destiny of an RNA sequence is achiev...
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