A new study led by University of Pittsburgh and UPMC Hillman Cancer Center researchers shows that an enzyme called PARP1 is involved in repair of telomeres, the lengths of DNA that protect the tips of chromosomes, and that ...
Cell & Microbiology
May 7, 2024
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53
Healthy cells respond appropriately to changes in their environment. They do this by sensing what's happening outside and relaying a command to the precise biomolecule in the precise domain that can carry out the necessary ...
Cell & Microbiology
Apr 22, 2024
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38
Several types of conventional cancer therapies, such as radiotherapy or chemotherapy, destroy healthy cells along with cancer cells. In advanced stages of cancer, tissue loss from treatments can be substantial and even fatal. ...
Bio & Medicine
Apr 22, 2024
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51
Researchers from The Australian National University (ANU) have made a discovery about a little understood protein in the human body that could help treat diseases that cause seizures, including epilepsy. The study is published ...
Cell & Microbiology
Apr 4, 2024
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3
The gut microflora plays a pivotal role in the overall well-being of all living organisms. Like their multifaceted and beneficial role in humans, the role of the gut microbiome in maintaining health, behavior, and ecology ...
Plants & Animals
Mar 28, 2024
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12
Gene expression is controlled by numerous small RNA molecules called microRNAs, or miRNAs. However, specific functions of most miRNAs remain poorly understood. Working with worms, Friedrich Miescher Institute (FMI) researchers ...
Molecular & Computational biology
Feb 22, 2024
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32
Our cells are surrounded by a fragile membrane that's only 5 nanometers thick, 1/20 of a soap bubble. Cells are easily damaged by physiological activities, including muscle contraction and tissue injury. To cope with such ...
Cell & Microbiology
Feb 22, 2024
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90
The natural ends of chromosomes appear alarmingly like broken DNA, much as a snapped spaghetti strand is difficult to distinguish from its intact counterparts. Yet every cell in our bodies must have a way of differentiating ...
Cell & Microbiology
Feb 15, 2024
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64
One way that cells communicate with one another is through the secretion and uptake of extracellular vesicles (EVs). EVs convey a multitude of cargoes, including proteins, lipids and nucleic acids. Their uptake affects the ...
Biochemistry
Jan 19, 2024
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64
A modern alternative to chemotherapy and radiotherapy is photodynamic therapy. It is used to treat cancer, skin diseases, and infectious diseases. The essence of the method is that light-sensitive substances are introduced ...
Biochemistry
Jan 16, 2024
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