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Molecular Biology News
Mon, 30 Nov 2015 08:40:47 EST
Aspirin targets key protein in neurodegenerative diseases
The active ingredient in aspirin blocks an enzyme that triggers cell death in several neurodegenerative diseases. More potent forms of salicylic aspirin exist, which may provide treatments for these diseases.
Wed, 25 Nov 2015 13:00:13 EST
How cells 'climb' to build fruit fly tracheas
Fruit fly windpipes are much more like human blood vessels than the entryway to human lungs. To create that intricate network, fly embryonic cells must sprout "fingers" and crawl into place. Now researchers have discovered that a protein called Mipp1 is key to cells' ability to grow these fingers.
Tue, 24 Nov 2015 14:33:30 EST
Gut microbes signal to the brain when they're full
Don't have room for dessert? The bacteria in your gut may be telling you something. Twenty minutes after a meal, gut microbes produce proteins that can suppress food intake in animals, reports a study. The researchers also show how these proteins injected into mice and rats act on the brain reducing appetite, suggesting that gut bacteria may help control when and how much we eat.
Tue, 24 Nov 2015 11:30:17 EST
Biologists induce flatworms to grow heads and brains of other species
Biologists have succeeded in inducing one species of flatworm to grow heads and brains characteristic of another species of flatworm without altering genomic sequence. The work reveals physiological circuits as a new kind of epigenetics -- information existing outside of genomic sequence -- that determines large-scale anatomy.
Mon, 23 Nov 2015 21:02:11 EST
Scientists create genetically modified malaria-blocking mosquitoes
Using a groundbreaking gene editing technique, scientists have created a strain of mosquitoes capable of rapidly introducing malaria-blocking genes into a mosquito population through its progeny, ultimately eliminating the insects' ability to transmit the disease to humans. This new model represents a notable advance in the effort to establish an antimalarial mosquito population, which with further development could help eradicate a disease that sickens millions worldwide each year.
Mon, 23 Nov 2015 20:59:29 EST
Pulling apart the cytoskeleton
Maintaining the shape of the cell, creating proper internal structure, guiding organelles and pulling chromosomes apart during mitosis are some of the important functions of the cytoskeleton. The cytoskeleton is composed of three main structural components: actin filaments, microtubules and intermediate filaments. In a series of thematic minireviews, a collection of researchers highlights what we know so far about the cytoskeleton.
Mon, 23 Nov 2015 20:36:25 EST
New mechanisms of self-organization in living cells
New work highlights the mechanisms of self-organization in living cells, making possible the development of science-based treatment strategies for different diseases - for example, to create medicines that can cause cancer cells lose the ability to multiply uncontrollably.
Mon, 23 Nov 2015 20:36:23 EST
Exploring the causes of cancer
Cells communicate with other cells in our bodies by sending and receiving signals. Cancer can occur when these signals are 'dysregulated' and abnormal cells grow out of control, scientists have determined.
Mon, 23 Nov 2015 20:34:38 EST
Biologists characterize new form of mRNA regulation
Biologists used material from both humans and plants to examine chemical modifications to messenger RNA, or mRNA, finding that the modifications appear to play a significant role in the process by which mRNAs either survive and become translated into protein or are targeted for degradation.
Mon, 23 Nov 2015 20:25:05 EST
Ancient viral molecules essential for human development
Genetic material from ancient viral infections is critical to human development, according to researchers.
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