Caroline W Reiss

Plain English
Researchers used a gene-editing tool called CRISPR to permanently disable a gene in monkeys' livers that controls cholesterol production, delivering it through tiny fat particles injected into the bloodstream. After a single injection, the monkeys' cholesterol dropped by about 60% and stayed low for at least 8 months without any additional treatment. This proves that gene editing could offer heart disease patients a one-time treatment instead of taking cholesterol drugs for life.

Plain English
This study focused on RNA molecules known as aptamers, which can bind to different types of small chemicals. Researchers found that these RNA aptamers can be modified to change which chemicals they bind to by swapping parts of their structure and making a small change in one area. Specifically, they successfully switched the binding ability of two aptamers, showing that the parts of the RNA that interact with chemicals are modular and flexible, much like proteins. Who this helps: This benefits researchers and scientists looking for ways to create targeted therapies using RNA.

Plain English
Researchers studied two types of RNA molecules known as riboswitches, which help regulate cellular processes by binding to different chemicals. They found that a small change in one of these RNA molecules (the G96A mutant) allowed it to prefer a different chemical (ppGpp) over its original target (PRPP), with a huge change in preference of 40,000 times. This discovery shows how easily RNA can evolve and adapt to new functions, which is important for understanding how genetic materials work and can be used in medicine. Who this helps: This benefits researchers and scientists working on RNA-based therapies and genetic engineering.

Plain English
This study examined how a specific part of RNA, called the guanidine-I riboswitch, interacts with a molecule known as guanidinium found in certain bacteria. Researchers discovered the riboswitch's structure, revealing how it tightly binds to guanidinium while ignoring similar substances like the amino acid arginine. This specificity is crucial for regulating processes like nitrogen metabolism and drug resistance in bacteria. Who this helps: This benefits researchers and doctors working on bacterial infections and antibiotic resistance.

Plain English
This study looked at a specific RNA structure called the guanidine-II riboswitch found in bacteria, which helps control the production of certain genes by binding to a molecule called guanidine. Researchers discovered the precise shape of this riboswitch when it is attached to guanidine, revealing that it binds two guanidine molecules through several key interactions. This is important because understanding how these riboswitches work can help in developing new treatments targeting bacteria that rely on these systems. Who this helps: This helps researchers and medical professionals working on bacterial infections.