Articles tagged with Immunology
Researchers discovered a multi-faceted mechanism behind ASD, revealing the gut microbiota and host immune system's influence on disease progression. Precision-selected probiotics restored metabolic balance, reduced neuroinflammation, and ameliorated behavioral abnormalities in ASD mouse models.
Scientists have created a detailed map of cell behavior in the small intestine of people with coeliac disease using single-cell RNA sequencing. The study found that immune signals from immune system proteins encourage fibroblasts to support changes in the gut lining, suggesting communication between cells plays a key role in the disease.
Researchers at Peking Union Medical College Hospital have developed bi-functional molecules combining PD-1 blockade with precision IL-2 delivery to revive 'sleepy' T cells. This combination enhances immune cell response, reducing toxicity and improving cancer treatment outcomes.
Blum investigates how the immune system interprets what we eat, exploring mechanisms of oral tolerance and signaling that help our bodies tolerate most foods. Her research could enable new immunotherapy strategies for preventing or treating food allergies.
Researchers found that maternal antibodies in breast milk bind to bacteria in the neonatal gut, regulating the immune response and preventing inflammation. This discovery may have implications for human infants, who receive essential immunoglobulin G antibodies from their mothers.
Researchers found that pembrolizumab shrank or eliminated tumors in nearly 90% of participants with desmoplastic melanoma, a rare and aggressive skin cancer. The therapy offers a less invasive approach compared to surgery or radiation.
A team of researchers at Mizzou identified which immune cells in pigs have receptors most reactive to influenza. This knowledge may help develop improved therapies or vaccines for both species. The study's findings could also aid in the creation of more effective flu vaccines that provide immunity for longer periods.
The DKMS John Hansen Research Grant is supporting innovative research projects in blood cancer therapy, aiming to improve treatment outcomes. The grant, worth almost €1 million, will support young scientists with a focus on transplant immunology and novel diagnostic and therapeutic strategies.
A novel approach combining chemotherapy, immunotherapy, and a MET inhibitor enhances treatment response and limits tumor growth in small cell lung cancer (SCLC). The strategy slows tumor progression and improves survival outcomes by facilitating the effectiveness of standard treatment.
The Pew Charitable Trusts has awarded four-year grants to 22 early-career scientists, enabling them to uncover fundamental insights about human health and disease. The selected researchers will explore various topics, including gut bacteria's role in metabolic diseases and the development of the human brain.
The R21/Matrix-M malaria vaccine generates nearly identical antibodies to those following a natural infection, providing strong protection against the earliest life stage of malaria parasites. This long-lasting immunity is effective without requiring further adaptation.
Researchers identify key symptom categories and biomarkers for anti-NMDAR encephalitis, a rare autoimmune brain condition. Clinical manifestations suggest the presence of anti-NMDAR encephalitis through NMDA antibody checks, uric acid levels, C-reactive protein, and thyroid-related hormones.
A team of researchers identified a complex network of regulatory proteins responsible for triggering the most appropriate immune response in macrophages. This study offers new insights into macrophage biology and sheds light on how these cells coordinate their responses to various pathogens.
Researchers have developed a research pipeline to create 'universal vaccines' that can address broad viral families and mutated variants. The vaccine design aims to neutralize emerging SARS-CoV-2 variants and other viruses with pandemic potential.
Distinct immune pathways involving leukotrienes drive anaphylactic response in food allergies, with genetic variants influencing susceptibility. The drug Zileuton shows promise in blocking this life-threatening response.
Researchers have developed acupoint-delivered nanovaccines that ignite dual-niche immunological priming, recruiting CD11b⁺ dendritic cells and flooding lymph nodes with nanoparticles. This approach delivers significantly higher immune responses, including 6-fold more OVA-specific CTLs and 10^3 -fold higher anti-SARS-CoV-2 IgG titers.
Researchers found that bystander CAR-negative CD8+ T cells expanded after CAR-T cell therapy and propagated with bispecific antibody treatment, leading to complete tumor remission. This study supports a new therapeutic effect of bystander T cells in combination with CAR-T and BsAb therapies.
Researchers discovered that our bodies add sugars to RNA, shielding it from the immune system. This 'sugarcoating' prevents inflammation and helps clean up dead cells.
Researchers explore how immune balance affects reproductive success in female mammals, from mating to birth. They find that immune balance is crucial for reproductive success, and that different stages of reproduction require specific immune shifts.
Researchers have discovered that glucose aids in T cells' internal communication and boosts their cancer-fighting abilities. T cells allocate significant portions of glucose to build glycosphingolipids, essential for protein production and lipid raft formation, which enhances cell signaling and tumor control.
Researchers have discovered a novel microbial consortium called AUN that produces exceptional tumor eradication in both murine and human cancer models. The therapy exhibits high biocompatibility and minimal side effects, offering a long-awaited solution for immunocompromised patients.
Researchers developed a test to detect early-stage solid tumors using a blood sample, identifying patterns in amino acid concentrations that can translate into diagnostic signals. The test achieved an 87% positive rate and showed potential for precision medicine in choosing treatments.
A study of ovarian tumor immune landscapes reveals four distinct immunologic subtypes, with those with T cells surviving longer and having better outcomes. The researchers also found that myeloid cells play a key role in reestablishing the immune landscape upon recurrence.
A study published in PLOS Neglected Tropical Diseases has shown that combining country-level information with individual-level variables can improve the identification of soil-transmitted helminth infections among migrant populations. Researchers found that country-level indicators are stronger predictors than individual-level variable...
Researchers at St. Jude Children's Research Hospital identified virtual memory T cells, a specialized group of immune cells, which provide nonspecific immunity for infants early in life. These cells are a bridge between innate and adaptive immunity, allowing the adaptive immune system time to develop true memory.
A multicenter study found influenza-associated acute necrotizing encephalopathy (ANE) carries a high risk of morbidity and mortality in children, with a 27% mortality rate. Survivors often experience neurological difficulties, emphasizing the need for rapid treatment and vaccination to prevent ANE.
A global study found that cancer immunotherapies carry a hidden risk: cholestasis, a serious liver condition. Researchers urge aggressive monitoring of liver function, particularly in younger adults and women.
A decade-long study reveals that the source of dietary fat, not adiposity itself, is the primary factor influencing tumor growth in obese mice. High-fat diets derived from animal fats compromise anti-tumor immunity and accelerate tumor growth, while plant-based fats have a neutral effect.
A new study shows that delivering a single injection of gene therapy at birth may offer years-long protection against HIV. The treatment uses an adeno-associated virus to deliver instructions to muscle cells, which produce broadly neutralizing antibodies capable of neutralizing multiple strains of HIV.
Researchers discovered that immune cells called T cells are abundant in mammary glands during pregnancy and breastfeeding, with some relocating from the gut. This finding may help explain the benefits of breastfeeding and inform dietary decisions to enhance breast milk production and quality.
Weill Cornell Medicine researchers found that PD-1 plays a critical role in forming long-term immune defenders in the skin. Blocking PD-1 too early can disrupt this process, leading to side effects. The study challenges current understanding of PD-1 and may impact cancer treatments.
Researchers found that certain antiviral genes become less active with age in people with lupus, leading to fewer inflammatory proteins. This reversal of 'inflammaging' may explain why symptoms improve in some older patients, allowing them to approach healthy aging.
Diana Hargreaves will receive $1 million to advance her project on improving immunotherapy in patients with pancreatic cancer. Her previous work identified better drug targets for cancers with SWI/SNF mutations, leading to breakthroughs in treating difficult-to-treat cancers.
A study published in Nature found that autoantibodies can tilt the odds dramatically toward shrinking tumors and enhance the effectiveness of immunotherapy. Certain autoantibodies linked to better clinical outcomes could reveal cancer's weak spots and point to new targets for treatment.
Researchers developed an IBDV VP2 subunit vaccine that induces specific antibodies and protects against bursal atrophy. The study found that using certain adjuvants, such as Montanide ISA 78 VG, enhances the protective effects of the vaccine.
Research found that chronic exposure to PM10 and PM2.5 air pollutants activates harmful allergic-like immune responses in the lungs, leading to inflammation and scarring. The study suggests targeting oxidative stress or modulating NRF2 activity could be a new strategy to treat pollution-induced allergic inflammation.
Researchers at the University of Ottawa have made a breakthrough in developing nanoparticles that not only deliver drugs but also contribute to treatment. Their proof-of-concept study shows that particles can be armed with therapeutic potential, revolutionizing the field of nanomedicine.
Conventional dendritic cells have been found to originate from both myeloid and lymphoid progenitors, revealing their unique functions and developmental pathways. These lymphoid-derived cDCs exhibit potent functions in immune suppression and allergy induction, and follow diverse developmental pathways.
A new Cornell University research study reveals that juvenile and subadult bats are the most likely to spread new coronaviruses to other species. Young bats shed viruses more easily when weaned, leading to a high-risk scenario for emerging novel viruses.
Researchers have discovered a way to train the immune system to target and eliminate cancer cells, including those that cause metastases. The new treatment induces immunogenic cell death, releasing warning signals that teach the immune system to recognize and destroy cancer cells throughout the body.
A new Korea University study provides the first species-specific health risk estimates for indoor airborne microbes based on animal toxicity data. The research determines that exposure to fungi may be unsafe even at levels below current guidelines, while bacteria are within existing regulatory limits.
Long-haul COVID-19 and myalgic encephalomyelitis/chronic fatigue syndrome share similar pathophysiologies, including oxidative stress, autoantibodies, and impaired mitochondrial energy conversion. These conditions also exhibit neurodegenerative outcomes, such as fatigue, sleep disturbances, and increased risk of dementia.
Researchers at the University of Pittsburgh have discovered a novel tool to help stratify rejection risk in kidney transplantation. They found that mismatching SIRP-alpha between donors and recipients contributes to worse rejection, scarring, and graft failure in humans, suggesting improved transplant outcomes.
Researchers at University of Missouri uncover the antiviral potential of defensins, tiny proteins with powerful antimicrobial properties. Defensins can block SARS-CoV-2 from entering human cells, offering a promising approach to treating viral and bacterial infections.
Researchers have developed a 3D bio-printed model of lung tissue that closely mimics natural complexity, enabling better testing of respiratory diseases and drug development. The model can be adapted to include additional cell types or patient-derived cells, making it a powerful tool for personalized medicine and disease modeling.
Researchers identify new group of immune cells driving autoimmune attack on insulin-producing cells in pancreas during cancer immunotherapy. JAK inhibitors, already FDA-approved for psoriasis and arthritis, show potential to prevent and even reverse type 1 diabetes in preclinical models.
Researchers from UCLA have developed innovative biomaterial strategies to mimic immunological synapses, enhancing T cell activation rates and long-term efficacy in CAR-T therapy. The approaches leverage flexible interfaces and mechanical properties to promote memory T cell formation and distribution.
Researchers create map of T cell responses to Chikungunya virus, shedding light on chronic disease triggers. They found that people with chronic disease have T cells targeting the same viral epitopes as those who cleared the virus.
A study published in Neurobiology of Disease found that melanin degradation is impaired in genetically engineered mice lacking the SLC26A4 gene, leading to chronic inflammation and macrophage activation. The researchers propose a novel pathological cascade where melanin accumulation exacerbates hearing loss in pigmented individuals.
A new study from UF Health reveals an antibody-drug conjugate that kills aggressive B cell malignancies while sparing healthy cells. The combination of cancer-hunting antibodies and tiancimycin, a natural compound found in soil microbes, shows promise as a powerful treatment option for diffuse large B cell lymphoma.
A new study reveals how the body preserves long-term immune memory in the lungs after viral infection by relocating immune cells to nearby lymph nodes. Researchers identified the chemokine receptor CCR5 as the key molecule guiding this movement.
Researchers have deciphered a key mechanism for RNA therapeutics, explaining why certain modified RNAs evade the innate immune response. Pseudouridine modifications can avoid detection by pattern recognition receptors, such as TLR7 and TLR8, through impaired endolysosomal processing.
Scientists from Pusan National University discovered a genetic biomarker, FCGBP, that is strongly linked to bronchiolitis obliterans syndrome and poor outcomes following lung transplantation. The finding may help identify high-risk patients and devise timely immunosuppressive treatments.
Researchers discovered a previously unappreciated mechanism by which CMV infects cells lining blood vessels and contributes to vascular disease. The finding highlights a new potential avenue for developing antiviral drugs and suggests other herpes viruses could use similar molecular structures to evade immune detection.
Scientists found that blocking PTGIR could help revitalize T cells in their battle against cancer. Prostacyclin interacts with PTGIR to lead to T cell exhaustion, which can be reversed by inhibiting this interaction.
A new study from Karolinska Institutet found that biological drugs used to treat severe asthma do not completely eradicate inflammatory cells. Researchers discovered an increase in blood levels of these cells during treatment, which could explain why inflammation often returns when treatment is tapered or discontinued. The study aims t...
The SEB Conference 2025 will feature over 500 talks on latest advances in experimental research across animal, plant and cell biology. The event highlights groundbreaking research in biomechanics, wildlife conservation, human disease and bio-inspired robotics.
A new study led by Harvard T.H. Chan School of Public Health researchers found that fire smoke exposure can alter the immune system on a cellular level, even in healthy individuals. Exposure to particulate matter, gases, and other compounds in fire smoke was linked to changes in immune cells, inflammation, and gene expression.
A study reveals that metal-organic frameworks (MOFs) can be toxic to mice, causing disruptions in blood cell formation and immune balance. The researchers found that the MOFs suppressed production of certain cells but also triggered a rebound effect, leading to increased inflammation.
A new UVA Health study finds that stocking two twin packs of epinephrine autoinjectors and having campers leave their own at home is the most cost-effective strategy for residential camps. This approach comes with an estimated overall cost of $4.33 per camper.