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ScienceDaily: Top Health News |
| Custom finger clip offers a new way to measure blood pressure, other vitals Posted: 04 Jan 2022 09:35 AM PST Monitoring a person's blood pressure on a regular basis can help health care professionals with early detection of various health problems such as high blood pressure, which has no warning signs or symptoms. However, many things can alter an accurate blood pressure reading, including a patient's nervousness about having their blood pressure taken at a doctor's office, otherwise known as 'white coat syndrome.' Now, researchers are customizing a commercial finger clip device to provide a rapid, noninvasive way for measuring and continually monitoring blood pressure. The device can also simultaneously measure four additional vital signs -- heart rate, blood oxygen saturation, body temperature and respiratory rate. |
| One autoimmune disease could lead to another Posted: 04 Jan 2022 09:35 AM PST Researchers have discovered that having one kind of autoimmune disease can lead to another. |
| Posted: 04 Jan 2022 09:06 AM PST Medical experts have developed a new pre-clinical gene therapy for a rare disorder, known as limb-girdle muscular dystrophy (LGMD) 2B, that addresses the primary cellular deficit associated with this disease. Using a single injection of a low dose gene therapy vector, researchers restored the ability of injured muscle fibers to repair in a way that reduced muscle degeneration and enhanced the functioning of the diseased muscle. The treatment was safe, attenuated fibro-fatty muscle degeneration, and restored myofiber size and muscle strength, according to a new study. |
| New route for regulating blood sugar levels independent of insulin Posted: 04 Jan 2022 08:22 AM PST The discovery of insulin 100 years ago opened a door that would lead to life and hope for millions of people with diabetes. Ever since then, insulin, produced in the pancreas, has been considered the primary means of treating conditions characterized by high blood sugar (glucose), such as diabetes. Now, scientists have discovered a second molecule, produced in fat tissue, that, like insulin, also potently and rapidly regulates blood glucose. Their finding could lead to the development of new therapies for treating diabetes, and also lays the foundation for promising new avenues in metabolism research. |
| First time genome editing made possible on cells lining blood vessel walls Posted: 04 Jan 2022 08:22 AM PST Researchers have developed a unique nanoparticle to deliver genome editing technology, including CRISPR/Cas9, to endothelial cells, which are cells that line blood vessel walls. This is the first time that vascular endothelial cells could be reached for genome editing, since the usual way to deliver CRISPR/Cas9 -- through a virus -- does not work for this cell type. |
| Revitalizing batteries by bringing 'dead' lithium back to life Posted: 04 Jan 2022 06:56 AM PST Scientists brought islands of "dead" lithium back to life by making them creep worms to reconnect with their electrodes in next-gen lithium metal batteries. This extended battery life by nearly 30%. |
| Posted: 04 Jan 2022 06:56 AM PST Scientists are calling for changes to healthcare policy following research which has shown for the first time the scale of the impact of a condition associated with benign tumors that can lead to type 2 diabetes and high blood pressure. Up to 10 per cent of adults have a benign tumor, or lump, known as an 'adrenal incidentaloma' in their adrenals -- glands situated on top of the kidneys which produce a variety of hormones. |
| New light shed on potentially damaging effects of standard heart attack treatment Posted: 04 Jan 2022 06:56 AM PST A new study is challenging standard treatment methods used to prevent muscle damage during heart attack. |
| Inverted order: The direction of your DNA may be as important as which parent it came from Posted: 04 Jan 2022 06:55 AM PST Researchers generated mice with a specific DNA sequence inverted to determine if orientation affects expression of a gene called H19. Expression can also be impacted if the surrounding DNA is altered by a process called methylation. Interestingly, methylation was only relevant when the inverted sequence was inherited from the father. When inherited from the mother, the inversion had the opposite effect on H19 expression, suggesting a more complex mechanism is at play. |
| Lymphoma cell metabolism may provide new cancer target Posted: 03 Jan 2022 11:56 AM PST Aggressive and relatively common lymphomas called diffuse large B cell lymphomas (DLBCLs) have a critical metabolic vulnerability that can be exploited to trick these cancers into starving themselves, according to a new study. |
| Choline during pregnancy impacts children’s sustained attention Posted: 03 Jan 2022 11:55 AM PST Seven-year-old children performed better on a challenging task requiring sustained attention if their mothers consumed twice the recommended amount of choline during their pregnancy, a new study has found. |
| When mom talks, are infants with ASD listening? Posted: 03 Jan 2022 11:55 AM PST Researchers pinpoint the regions of the brain and neural mechanisms responsible for normal or impaired development of a child's response to baby talk and why infants with autism do not typically respond well. |
| Anthropologists study the energetics of uniquely human subsistence strategies Posted: 03 Jan 2022 11:55 AM PST Among our closest living relatives -- the great apes -- we humans are unique: We have larger brains, reproduce more quickly and have longer life spans. These traits are obviously valuable, but the extra energy required to sustain them is quite significant. So how did we manage to afford them? |
| Gene involved in sense of smell could play a role in the spread of breast cancer to the brain Posted: 03 Jan 2022 11:54 AM PST An olfactory receptor typically associated with the sense of smell may also trigger breast cancer cells to metastasize through a signaling pathway to the brain, bones and lung. Future research could potentially lead to an inhibitor of OR5B21 to prevent cellular invasion and metastasis, thus prolonging the lives of breast cancer patients. |
| Posted: 03 Jan 2022 09:17 AM PST Patients hospitalized with COVID-19 had significantly increased levels of oxidative stress and oxidant damage, and markedly reduced levels of glutathione, the most abundant physiological antioxidant, according to a new study. |
| More insight into how vision works Posted: 03 Jan 2022 09:17 AM PST Scientists have shed light on an important component of the eye: a protein in the rod cells of the retina which helps us see in dim light. Acting as an ion channel in the cell membrane, the protein is responsible for relaying the optical signal from the eye to the brain. If a genetic disorder disrupts the molecular function in a person, they will go blind. Scientists have deciphered the protein's three-dimensional structure, preparing the way for innovative medical treatments. |
| Neuroprotective mechanism altered by Alzheimer's disease risk genes Posted: 03 Jan 2022 09:17 AM PST Researchers have discovered that gene variants associated with risk of developing Alzheimer's disease disturb the brain's natural protective mechanism against the condition. |
| Researchers identify biomarker for depression, antidepressant response Posted: 03 Jan 2022 09:15 AM PST Researchers have identified a biomarker in human platelets that tracks the extent of depression. |
| COVID-19 can trigger self-attacking antibodies Posted: 30 Dec 2021 10:09 AM PST Infection with the virus that causes COVID-19 can trigger an immune response that lasts well beyond the initial infection and recovery -- even among people who had mild symptoms or no symptoms at all, according to investigators. |
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