Like separate entrance and exit doors on a building, a cell's outer surface has its own doors—channels, pumps, and transporters that selectively control what molecules may enter or exit. In the immune system, T cells—essential ...
Oct 8, 2019
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A four-limb robotic system controlled by brain signals helped a tetraplegic man to move his arms and walk using a ceiling-mounted harness for balance. While the early results are promising, the authors note that the system ...
Oct 4, 2019
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Cancers evade destruction by convincing some immune cells to suppress others. But a surprising interlocutor can persuade the suppressors to defect, and the destroyers to redouble.
Sep 18, 2019
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Lymphedema, resulting from a damaged lymphatic system, can be a debilitating disease in which excess protein-rich fluid (lymph) collects in soft tissues and causes swelling—most often in the arms or legs. Symptom severity ...
Aug 27, 2019
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Our understanding of how our psyche affects our immune system—and vice versa—has been limited. Until now.
Aug 15, 2019
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A crucial signaling pathway that can tell the immune system to fight off cancer can also be co-opted by cancer cells to put the brakes on the immune system, according to a new study from researchers in the Abramson Cancer ...
Aug 8, 2019
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Hacking into brain signals may be more straightforward than once thought.
Jun 18, 2019
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Johns Hopkins Medicine scientists say that new experiments with mouse eye tissues strongly suggest that a longstanding "textbook concept" about the way a mammal's retina processes light needs a rewrite.
May 16, 2019
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Neurons pass on information to one another via synapses. The vast majority of these synapses are excitatory, which increase the activity of the receiving neuron. Around 10 to 20 percent of synapses have the opposite effect, ...
May 13, 2019
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Nerve cells, or neurons—specifically the "workhorse cells" involved in walking, breathing and chewing—can adjust to changes in the body, but they never stop working unless there is an fatal injury. What exactly signals ...
May 9, 2019
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