Articles tagged with Immune Cells
Researchers at The Rockefeller University demonstrate that engineering Fc domains of anti-toxin antibodies enhances toxin neutralization activity. Mice expressing humanized FcR were better protected from anthrax toxin when given engineered anti-anthrax toxin antibodies.
The study reveals how lymphotoxins control the production of immunoglobulin A (IgA) in the gut, maintaining immunological balance. Lacking lymphotoxins can lead to reduced or halted IgA production and changes in intestinal flora.
Levels of bisphenol A (BPA) in dialysis machine components have been found to be toxic to the immune cells circulating in kidney failure patients' blood. Researchers analyzed the effects of BPA on immune cells and found that alternative polymers for dialyzers' components may reduce BPA elution during dialysis.
Researchers found autoantibodies in patients with primary Sjögren syndrome 18-7 years before symptoms appeared. The study's results suggest that autoantibody profiling may help identify individuals at risk of autoimmune disease years before symptom onset.
Researchers created a synthetic polymer that mimics the binding of HIV to immune system cells, effectively blocking the virus from entering the body. The study suggests this polymer could be used in condoms or vaginal gels to prevent the spread of HIV by sexual contact.
A new UCLA study found that different types of happiness have surprisingly different effects on the human genome. People with eudaimonic well-being showed favorable gene-expression profiles in their immune cells, while those with hedonic well-being showed an adverse profile.
McGill researchers used computational tools to examine the solutions immune systems may use to detect small concentrations of foreign antigens in a sea of self-antigens. The study found that almost all solutions shared a common core structure or motif, revealing a surprisingly simple solution related to biochemical adaptation.
Researchers at WashU Medicine successfully manipulate immune cells using light to move them towards a beam of light, holding potential for controlling insulin secretion or heart rate. The study uses genetic engineering techniques to introduce a light-sensitive protein into immune cells, enabling them to sense and respond to light signals.
A new study reveals that immune cells can recognize and respond to mutated HIV, paving the way for an effective vaccine. The research suggests that a vaccine targeting key mutant forms of the virus could be effective in preventing HIV infection and AIDS.
The study found that green leafy vegetables interact with a cell surface receptor to switch on the T-bet gene, producing innate lymphoid cells crucial for immune surveillance and gut health. These immune cells may aid in treating bacterial infections, promoting good bacteria, and preventing bowel cancers.
A recent study discovered that a lack of proteins Bax and Bak in immune cells can lead to severe autoimmune disease. The research suggests that these proteins play a crucial role in regulating cell death, and their deficiency may be linked to diseases such as type 1 diabetes, rheumatoid arthritis, and lupus.
Researchers at IST Austria found that immune cells follow gradients of guidance cues, which are bound to the tissue, to navigate through the skin. The cells use a mixed strategy, combining sensing of soluble and insoluble cues, to find their way back to lymphatic vessels.
Researchers at Whitehead Institute developed a method called sortagging, which uses the bacterial enzyme sortase A to modify antibodies to carry various payloads. This approach allows for highly targeted and potent responses from immune cells, potentially aiding in vaccine development.
Researchers found that immune cells, including microglia, are defective in their ability to migrate in Huntington's disease. The study suggests that changes in immune cell function may underlie some of the symptoms of HD.
Scientists have discovered a way to quantify mutant huntingtin protein in immune cells isolated from a normal blood draw, which shows significant correlation with disease symptom severity. This breakthrough could enable the development of non-invasive biomarkers for Huntington's disease.
Researchers identified Puma and Bim as molecules that work together to kill self-reactive immune cells, which accumulate and attack body organs in autoimmune diseases. The study sheds light on the protection mechanism against autoimmune diseases, such as type 1 diabetes and rheumatoid arthritis.
Researchers identify innate lymphoid cells as key players in limiting commensal bacteria to intestinal tissues. The study suggests that targeting these immune cells or specific bacterial groups may be useful in treating chronic inflammatory diseases.
A study by Queen's University researcher Troy Murphy found female birds with more colourful bills have higher antibody levels, indicating greater strength and ability to fight off invaders. The colour of a female bird's bill is strongly correlated with immunoglobulin antibodies, a component of the immune system in birds.
Researchers at Rutgers University have discovered a new way to stimulate the activity of immune cell opiate receptors, leading to efficient tumor cell clearance. The study builds upon previous research showing that replenishing endorphins can prevent stress and immune problems in fetal alcohol-exposed test subjects.
Researchers at Tel Aviv University create gold nanoparticles that trigger an immune response when coated with specific chemical residues, revealing a key link between hydrophobicity and immune system activation. This breakthrough has the potential to improve drug delivery systems and lead to more effective medications and vaccinations.
Researchers identify 'gatekeeper' ADAM17 involved in regulating immune response and preventing inflammatory skin disease. Reactivation of Notch signaling rescues local skin inflammation and abnormal immune cell proliferation.
Researchers at Cornell University discovered how Toxoplasma gondii evades the human immune system by hijacking immune cells and manipulating cell behavior. The parasite's ability to control its host's immune system challenges common conceptions of pathogen-host interactions.
Researchers at Northwestern University have discovered a new protein called P21, which acts as a protective barrier against hyperactive immune cells in people with rheumatoid arthritis. By inhibiting the immune cells' destructive rampage, the bouncer molecule halts the disease process, offering a promising new avenue for future therapies.
Researchers at University of California - San Diego have discovered that inhibiting a single enzyme helps slow disease progression in a mouse model of multiple sclerosis. The study suggests that targeting fatty acid metabolism could lead to new therapies with fewer side effects.
Scientists at WashU Medicine reveal that CD8 alpha+ dendritic cells (CD8a+ DCs) help fight infections, but can also be hijacked by bacteria like Listeria to cause harm. The trait that makes these cells both an asset and a liability is the way they alert other immune cells.
The Scripps Research Institute scientists have discovered a new model of blood clot formation, which could lead to better drugs for preventing heart attacks and other clot-related conditions. The findings highlight the role of P2X7 receptor in activating tissue factor, a key player in the clotting process.
A new experimental vaccine made from frozen immune cells has shown promise in extending the survival of metastatic prostate cancer patients. The vaccine, APC8015F, was found to increase median survival by approximately 10 months compared to those not treated with it.
Researchers discovered that a tumor suppressor gene, p120, can actually contribute to cancer development when it's absent. In mice models, the loss of p120 led to hyperactivated immune systems and pro-tumor generating cells that promoted cancer growth.
Researchers will study how tumor cells avoid immune detection, enabling cancer spread, and test whether modifying the environment can activate unresponsive immune cells against cancer. The grant enables visualization of tumor and immune cell interactions in real-time.
A new super-resolution microscopy technique reveals changes in protein concentration on human immune cells exposed to E.coli and Y.pestis toxins. This work provides insight into why some bacteria can evade the immune system.
Researchers discovered a specific immune cell population that maintains immunity in the intestine of mice, producing anti-microbial proteins to fight infection. Elimination of these cells led to impaired immunity and ultimately mouse death.
Researchers have identified the molecular trigger for inflammation in large blood vessels, finding that cholesterol crystals activate an inflammasome complex within immune cells. This leads to a catastrophic chain reaction of inflammatory mediators and immune cell invasion, potentially destabilizing vessel walls.
Researchers found that unique reading frames in the HIV genome can induce immune responses, potentially leading to new ways to combat the virus. These findings may prove useful for developing more effective HIV vaccines.
Researchers from the Helmholtz Center for Infection Research found that Beta-Interferon facilitates faster immune reactions against microbial and viral threats by regulating antigen presentation. Low levels of Beta-Interferon before infection can lead to a stronger immune response, known as priming.
A mouse model of neuropathic pain showed that immune cells producing opioids reduced symptoms, suggesting a novel approach for pain relief. Selectively targeting opioid-containing immune cells may provide natural pain relief and offer a new treatment option.
Interferon-gamma plays a deciding role in whether immune cells attack and injure the central nervous system in mice. The protein is protective in cerebellums and brainstems but causes nerve cell damage in spinal cords.
Research finds disabled gut cells linked to Crohn's disease, with altered genetic activity leading to increased hormone production. The study suggests a potential role for autophagy and Atg16L1 in Paneth cell function, shedding light on the complex mechanisms behind the inflammatory bowel disorder.
Researchers discovered a key molecule that normalizes tumor vasculature, allowing immune cells to colonize cancer tissue in large numbers. This finding led to improved survival rates in mice with disrupted Rgs5 gene, highlighting the potential of vascular normalization for enhancing immune therapy.
Researchers found that caffeine protects mice from developing experimental autoimmune encephalomyelitis (EAE), a model for human Multiple Sclerosis (MS). Caffeine's ability to block adenosine receptors may be key to preventing immune cell infiltration into the central nervous system.
A new study found that green tea's EGCG ingredient can rescue mice from lethal sepsis, paving the way for clinical trials. The substance works by preventing HMGB1 from being released and activating immune cells.
Researchers found that lymphoid chemokines, which guide immune cells to lymph nodes and spleen, are reduced during active immune responses, potentially leading to transient immune suppression. This discovery could help explain why the immune system is less effective at responding to secondary infections after an acute infection.
Researchers discovered that damaged motor neurons in ALS send incorrect signals, triggering an immune cell response that accelerates their own death. This finding offers a new approach for therapies targeting the motor neurons themselves.
Malaria infection hampers red blood cell production, leading to severe anemia. A new study reveals MIF as the key immune player in this process.
Researchers have discovered that eating fatty foods can dampen inflammation in the gut by stimulating the production of cholecystokinin, a hormone that sends signals to the brain and immune cells. This process may provide a way to reduce inflammatory complications after surgery.
Researchers at Stanford University have found a connection between aging, infection, and leukemia in blood-forming stem cells. These cells were found to produce fewer immune cells and turn on cancer-causing genes, contributing to the development of certain types of leukemia.
Researchers from Johns Hopkins report that the band leader controlling DNA copying also brings the jam session to a close, intricately connecting the two processes. This discovery sheds light on the development of immune system cancers.
A new study finds that tai chi chih significantly increases immune cell levels and improves physical functioning in older adults with shingles. The exercise program was comparable to hip replacement surgery in boosting immunity and reducing symptoms.
Researchers have found a new, hidden piece of the influenza virus that may kill immune system cells. This protein was discovered by accident while studying
Researchers found that HIV-infected immune cells take in more vitamin C and glucose than healthy counterparts, but extremely high levels are toxic. This study provides a foundation to understand the relationship between vitamin C, HIV infection, and cell metabolism.