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Bio & Medicine

Bio & Medicine

A ground-breaking discovery by researchers reveals how kidney cells self-renew.

Researchers at the College of Texas at Dallas have found a formerly obscure "housekeeping" process in kidney cells that launches undesirable substances, bringing about cells that restore themselves and stay working and sound. The self-renewal process, which is fundamentally different from how other bodily tissues are thought to regenerate, helps explain how the kidneys can stay healthy for a lifetime if they are unaffected by injury or disease. In a study that was published on April 17 in Nature Nanotechnology, the researchers provided a description of the mechanism. In contrast to the liver and skin, where cells separate to make
Bio & Medicine

Researchers create a unique biodegradable nanoprobe for early detection of diabetic retinopathy.

In a paper that was published, a biodegradable fluorescent nanoprobe was introduced by the research team led by Ali Hafezi-Moghadam, MD, Ph.D., a founding member of Mass General Brigham, to detect diabetic retinopathy (DR) in its early molecular stage. Diabetes-related retinopathy is a common complication that can result in severe vision loss. The current clinical diagnosis relies on identifying structural damages that cannot be repaired. Early subclinical findings and intervention could radically further develop visualization for the rapidly developing population of people with diabetes. Biosensors and Bioelectronics is the journal that published the findings. The researchers had previously developed fluorescent
Bio & Medicine

Urine diagnostics for brain tumors use nanowires to capture cancer DNA.

A gathering driven by scientists at Nagoya College in Japan has fostered an innovation to catch and deliver sans-cell DNA (cfDNA) on nanowire surfaces from pee. They were successful in detecting the IDH1 mutation, a typical genetic mutation found in gliomas, a type of brain tumor, by extracting this DNA. Their findings boost the efficiency of urine-based cancer detection tests. Their findings were published in the scientific journal Biosensors and Bioelectronics. Brain tumors are frequently examined only after symptoms like limb paralysis appear. However, even when they are found, their advanced stages frequently make surgical removal challenging. Gliomas are among
Bio & Medicine

Researchers use a self-produced bacterial poison to force cancer cells to “commit suicide.”

Researchers at Tel Aviv University have, for the first time ever, encoded a bacterial toxin into messenger RNA (mRNA) molecules and delivered these molecules directly to cancer cells, causing the cells to produce the toxin and ultimately killing them with a 50% success rate. Yasmin Granot-Matok, a Ph.D. student, and Prof. Dan Peer, a pioneer in the development of RNA therapeutics and Head of the Nanomedicine Laboratory at the Shmunis School of Biomedicine and Cancer Research who also serves as TAU's Vice President of Research and Development, led the groundbreaking study, which was published in Theranostics. Prof. Peer provides the
Bio & Medicine

A recent study indicates that a nanoparticle drug delivery technology boosts neuron regeneration in the zebrafish eye.

Utilizing a nanoparticle to target immune cells in the eyes of zebrafish increased the rate of neuron regeneration after injury, according to a recent Wilmer Eye Institute study. This study builds on earlier research from Wilmer and other institutions that demonstrated that immune cells (microglia) control the regeneration of retinal cells in zebrafish and mouse models. Using a nanoparticle to target and deliver an immunosuppressant drug to active microglia in degenerating zebrafish retinas is an effective method of dosing and stimulating regeneration of lost retinal cells, according to the latest research, which was published in Communications Biology. Jeffrey Mumm, Ph.D.,
Bio & Medicine

A nanofluidic aptamer nanoarray monitors specific proteins, bridging the gap for precision medicine.

Methods that can accurately and precisely measure biomolecules are essential in the developing field of precision medicine. In light of this, Associate Professor Yan Xu and his international research team at Osaka Metropolitan University's Graduate School of Engineering have made significant progress in this direction. They have created a novel nanofluidic device that can digitally detect single proteins at their naturally high concentrations by stochastically capturing them. The future of personalized disease prevention and treatment may be built upon this breakthrough. The goal of precision medicine is to tailor strategies for prevention and treatment based on a person's genetic information,
Bio & Medicine

What microplastics may be doing to our intestines

Plastics are among the most universal artificial materials — we wear them, work with them, play with them, transport products in them, and afterward we toss them into the waste stream. In the end, they may decompose into microscopic particles that enter our food supply and we consume. These particles, which can be as small as a grain of pollen (microplastics) or as large as a virus (nanoplastics), have entered water supplies, agricultural soil beds, natural food chains, and domestic food chains. Due to their ubiquitous nature, which makes it difficult to locate populations of unaffected individuals to serve as
Bio & Medicine

A new diagnostic platform employs nanotechnology and machine intelligence to rapidly identify infectious diseases.

Irresistible illnesses and respiratory contaminations, specifically, are the main sources of worldwide mortality. Accordingly, there is a pressing requirement for fast, huge-scope indicative apparatuses that can identify these infections early, something that doesn't at present exist. To resolve these issues, McGill College Teacher of Bioengineering Sara Mahshid's lab has fostered an across-the-board location stage (QolorEX) that can convey test results in only 13 minutes. For use where individuals gather, like clinics, schools, and air terminals, the tests are directed by taking a spit test (no swabs required) and moving it to a microfluid gadget, which then utilizes AI to take
Bio & Medicine

Global South Researchers Develop novel Methods to Monitor the Ongoing Pandemic of Amphibians

Scientists from the Global South have been inspired to innovate and develop new methods for tracking and monitoring the spread of the amphibian pandemic. Recognizing the importance of preserving the world's amphibian populations, which are critical to maintaining ecosystem balance, these scientists have been actively involved in researching the pandemic's causes and effects. Scientists created and validated an assay that could be used to identify Indian strains of the amphibian chytrid fungus that had previously gone undetected. The novel assay is also applicable to other well-known strains from other parts of the world, such as the one found in Panama.
Bio & Medicine

Cell-membrane coated nanoparticles illuminate two cancer indicators simultaneously, providing a more complete image of the tumor.

New imaging agents that can simultaneously illuminate multiple biomarkers will soon allow cancer surgeons to have a more comprehensive view of tumors during surgery, according to a report from the University of Illinois at Urbana-Champaign. The fluorescent nanoparticles, enveloped by the layers of red platelets, target growths better than current clinically supported colors and can produce two particular signs because of only one light emission, an element that could be useful to specialists to recognize growth borders and distinguish metastatic diseases. The group's paper, "Cell-film-covered nanoparticles for growth outline and subjective assessment of disease biomarkers at single frequency excitation in