To survive and grow, a cell must properly assess the resources available and couple that with its growth and metabolism—a misstep in that calculus can potentially cause cell death or dysfunction. At the crux of these decisions ...
Nov 10, 2017
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(Medical Xpress)—Free-floating pieces of DNA in a cell's watery interior can mean bad things: invading viruses, bacteria, or parasites, ruptured cellular membranes, or disease. Genetic material is meant to be contained ...
Dec 21, 2012
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Cells in the human body contain power-generating mitochondria, each with their own mtDNA—a unique set of genetic instructions entirely separate from the cell's nuclear DNA that mitochondria use to create life-giving energy. ...
Feb 8, 2024
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Human noroviruses are the leading cause of acute gastroenteritis worldwide, a major global health problem for which there are no specific treatments or vaccines. Understanding the first phase of infection—the process the ...
Mar 2, 2023
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Some areas of the adult brain contain quiescent, or dormant, neural stem cells that can potentially be reactivated to form new neurons. However, the transition from quiescence to proliferation is still poorly understood. ...
Mar 1, 2023
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Northwestern Medicine scientists have identified a gene that plays a role in cellular responses to molecular stressors, such as DNA damage and nutrient scarcity, according to findings published in Nature Communications.
Feb 21, 2023
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As differently as cancers or autoimmune diseases (such as multiple sclerosis, rheumatoid arthritis or psoriasis) affect people, they all have one characteristic in common: they are accompanied by increased cell proliferation. ...
Nov 14, 2022
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The way that tumor cells enable their uncontrolled growth is also a weakness that can be harnessed to treat cancer, researchers at the University of Michigan and Indiana University have shown.
Sep 21, 2022
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Two of the most common genetic changes that cause cells to become cancerous, which were previously thought to be separate and regulated by different cellular signals, are working in concert, according to new research from ...
Jul 7, 2022
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Despite the availability of highly efficacious vaccines, SARS-CoV-2 still causes serious medical complications. The lack of an effective drug treatment for hospitalized patients with severe COVID-19 has contributed to the ...
Jun 9, 2022
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