Articles tagged with Immune Cells
Researchers from Korea University Medicine have discovered a potential therapeutic target for overcoming cisplatin resistance and neuropathic pain in cervical cancer. By inhibiting TRPV1, they found that resistant tumors became vulnerable to cisplatin, improving the outlook for patients.
Researchers identify key protein interactions that control the body's immune response during liver transplantation, leading to improved transplant survival rates. The study found that a specific communication pathway between CEACAM1 and TIM-3 proteins plays a crucial role in controlling the immune response.
Research in rats suggests that loss of immune cells late in gestation may factor into the onset of maternal behavior. Depletion of microglia, a type of immune cell, sped up care for rat newborns in non-mom female rats.
Scientists discovered epigenetic signatures in immune cells that allow for rapid activation of key genes, enabling quick recall of antigens. This rearrangement is accompanied by changes in the 3D distribution of DNA in the nucleus, which affects gene expression and could lead to new therapies for autoimmune diseases.
Researchers have found that PD-L1 triggers signaling that intrinsically alters cancer cell phenotype, impacting immune milieu. The study's findings suggest a new approach to treating patients with limited response to immunotherapy.
Researchers have isolated and analyzed individual immune cells targeting the hepatitis C virus, providing valuable data for vaccine development. The study found that antiviral treatment reduces cytotoxicity in HCV-specific immune cells, offering a potential pathway to an effective vaccine.
Researchers at Aarhus University have discovered a new method to activate the complement system using bispecific single-domain antibodies, termed BiCEs. These molecules can specifically target cancer cells and activate the complement system, leading to the killing of targeted cancer cells.
A new study found that pregnancy causes a shift in the types of immune cells present in a woman's blood, with neutrophils increasing dramatically. This discovery provides a 'normal reference' for studying immune changes during pregnancy and may have implications for understanding diseases such as rheumatoid arthritis.
Researchers at Gladstone Institutes discovered that blood leaking into the brain triggers toxic genes in microglia, turning them into harmful cells that destroy neurons. Fibrin, a blood protein, is responsible for this process, which can lead to cognitive dysfunction and motor impairment.
Researchers from Tokyo Medical and Dental University have identified a previously unknown intermediate cell type, pre-basophils, which plays a critical role in the differentiation of precursor cells into mature basophils. These newly discovered cells exhibit higher proliferation capacity and distinct surface protein expression profiles...
A retrospective study found a 24% response rate to Docetaxel among patients with stage IV non-small cell lung cancer who experienced progression on immunotherapy. The median progression-free survival was 3 months, suggesting chemotherapy may still play an important role in treatment after immunotherapy failure.
Researchers discovered that targeting specific blood vessel enzymes can enhance immunotherapy effectiveness and prevent breast cancer metastasis. By disabling the enzyme DNMT1 in blood vessels, doctors may bolster anti-tumor immune cells entry and increase patients' response to treatment.
Researchers developed a new method combining palmitoleic acid, gentamicin, and non-invasive ultrasound to improve drug delivery in chronic wounds infected with S. aureus. The strategy reduced bacterial burden by 94% and successfully sterilized wounds in diabetic mice.
A new study published in Science Advances has found that certain antibodies against the Epstein-Barr virus can mistakenly target the brain and spinal cord, causing damage in multiple sclerosis patients. The research reveals a potential link between EBV infection and MS, with implications for personalized therapies.
Researchers create a human-brain-like environment to study microglia development and function for the first time in living human-derived tissue. The findings suggest that brain environment influences microglia development and function, particularly in diseases such as autism spectrum disorder and Alzheimer's disease.
Researchers discovered a link between MCEMP1 protein on mast cells and severe asthma. Inhibiting this protein could provide relief for patients with severe asthma by reducing inflammation in the airway and lungs. The study provides critical information for developing new therapies for long-term lung conditions.
A recent study by Monash University researchers found that a unique subtype of an immune cell produces long-lasting antibodies in response to certain vaccinations. This discovery may lead to the development of improved vaccines providing life-long protection.
Scientists are investigating how brain immune cells called microglia change shape in response to hazards using gene transcripts as molecular mediators. The goal is to gain insights into the mechanisms involved and potentially develop new therapies for neurodegenerative diseases.
Researchers at UVA Health System have made a breakthrough discovery about the role of microglia in seizure disorders. The study suggests that enhancing microglial activity could be a promising approach to preventing and managing seizures, offering new hope for patients who don't respond to existing treatments.
Researchers discovered that female rat brains have a smaller brain region due to immune cells consuming and digesting neurons, affecting behavior. Blocking this process resulted in females preferring their own odor or having no preference.
A study published in Communications Biology suggests that gut bacteria's digestion of fucose sugar may be behind weaker immune responses to the COVID-19 mRNA vaccine. Individuals with lower T-cell responses had higher expression of genes FOS and ATF3, which are part of a larger group controlling T-cell survival and activity.
A team of researchers has discovered that a naturally produced chemical in the body helps glioblastoma cells go unrecognized by the immune system. The findings could lead to the development of new and more effective treatments for this aggressive brain cancer.
A new study at Umeå University reveals that tick-borne encephalitis virus infects distinct brain cell types and regions depending on the immune system's activation status. The researchers mapped the virus's behavior in the brain, identifying specific areas and cells infected by TBE virus.
Researchers found that p21 knockout mice experienced reduced senescent cell presence, alleviated chronic lung inflammation, and improved fitness. Resident epithelial and endothelial cells played a significant role in mediating the p21-dependent inflammatory response.
Researchers tracked the evolution of Staphylococcus aureus in patients with eczema, discovering rapid mutations in a gene that enables the bacteria to grow faster on the skin. These findings could lead to targeted treatments by targeting variants of S. aureus associated with eczema symptoms.
Researchers at Texas Biomedical Research Institute have identified a potential host-directed therapy targeting the immune system to bolster the body's ability to control TB infection. Blocking IDO enzyme helped nonhuman primates completely eliminate active TB infection, improving health metrics compared to antibiotics alone.
Researchers found that dexamethasone prevents cytokine storms in severe COVID-19 patients by inhibiting ion channels and reducing immune cell inflammation. This led to improved lung function and reduced mortality rates. The study's findings provide new insights into the mechanisms of steroid treatment in severe COVID-19.
Researchers discovered that cancer cells' glycocalyx thickness affects immune cell evasion and engineered immune cells work better with thinner barriers. They also developed special enzymes to overcome the barrier, potentially improving immunotherapies.
A recent study found that the mitochondrial antioxidant MitoQ can reverse the detrimental effects of HIV and antiretroviral therapy on organs such as the brain, heart, and liver. The researchers used humanized mice infected with HIV and treated them with MitoQ for three months.
A study published in the Journal of Experimental Medicine reveals a unique subset of fibroblastic reticular cells in omental milky spots crucial for immune cell recruitment to prevent sepsis. These cells regulate the display of CXCL12, recruiting lymphocytes to sites of inflammation.
Research suggests that an underactive immune response may explain the link between obesity and severe COVID-19. Obese patients with COVID-19 have been found to have blunted inflammatory responses, producing suboptimal levels of molecules needed to fight the infection.
Researchers at UCLA successfully used base editing to correct a mutation causing rare immune deficiency CD3 delta SCID. The treatment corrected an average of 71% of patient stem cells and allowed them to produce fully functional T cells, suggesting long-term persistence of corrected blood stem cells.
Researchers created a three-dimensional structure that mimics bone and houses osteosarcoma cells beside immune cells, finding increased inflammation reduces chemotherapy effectiveness. The study highlights the importance of the tumor microenvironment in disease progression and treatment.
A new study by researchers at the University of Liège reveals that monocytes, blood immune cells, have the ability to proliferate and generate macrophages to replace damaged or missing immune cells. This discovery challenges current knowledge of cell proliferation and has implications for understanding various diseases, including cancer.
Researchers at NTU Singapore have found a way to spur brain immune cells to clear toxic waste linked to Alzheimer’s disease by targeting their metabolism. The study reveals a ‘metabolic switch’ in the brain’s immune cells that can be manipulated to improve their function.
Researchers discovered that lipid deposition on medical implant surfaces can signal to the immune system whether to attack or ignore the implant. This knowledge could help develop biomaterials that deflect host immune aggression, reducing malfunction rates for devices like pacemakers and surgical mesh.
Researchers have found a possible new target for therapies aimed at treating age-related neurological diseases by linking increased presence of immune cells to conditions like Alzheimer's disease. Microglia, specialized immune cells in the brain, can adopt a dysfunctional state that contributes to neurodegenerative diseases.
A biological messenger called interleukin-33 (IL-33) plays a crucial role in maintaining cytotoxic T cells' 'marathon runner' state, allowing them to provide sustained immunity against chronic infections. This finding has implications for improving treatment of hepatitis C and cancer immunotherapy.
Researchers have developed a microfluidic squeezing technology that stimulates anti-tumor activity in a subtype of HPV16-positive head and neck, cervical, and anal cancers. The treatment uses peripheral blood mononuclear cells trained to recognize and attack cancer cells without genetic modifications.
The new grant enables LJI to lead the Human Immunology Project Consortium Data Coordinating Center, providing access to human immunoprofiling data from over 11,000 participants. This will fuel scientific collaboration in understanding immune responses to viruses, autoimmune diseases, and more.
A new study found that prolonged inhalation of e-cigarette aerosols by mice caused changes in pulmonary immune cell composition and altered gene and protein levels in the lungs. Even low exposure to JUUL aerosols had significant impacts on the animals' lung health.
Researchers at Aarhus University are developing a novel treatment for multiple sclerosis by spinning artificial nerve fibers using electro-spun fibres. The goal is to restore nerve impulses quickly, as the myelin sheath deteriorates with age.
Moffitt researchers found that administering oral L-fucose increases TILs, reduces tumor growth, and enhances immunotherapy efficacy in animal models. Higher L-fucose levels in melanomas are associated with less aggressive disease and better responses to therapy.
Researchers discover that tumour tracks, formed by transformed blood vessels, trap immune cells and promote healing processes. The tension of extracellular matrix fibers plays a key role in tumour development, allowing cancer cells to grow undisturbed.
A recent study suggests that the gut microbiome affects brain behavior, immune cells and neurodegeneration. Altering the gut microbiome could be an effective way to prevent or treat neurodegenerative diseases like Alzheimer’s.
A Canadian study reveals that obesity reprograms immune system cells, making them destructive to the eye as it ages. The research sheds light on the molecular mechanism behind AMD and may lead to tailored treatments in the future.
Researchers have created a humanized mouse model that can predict the best match for a living organ donor and detect early signs of transplant rejection. The model uses a combination of HLA-G and B regulatory cells to identify patients who may need less immunosuppressive therapy.
Researchers found that a protein called XBP1s enhances tumor survival by suppressing the anti-cancer activity of neighboring immune cells. This discovery could lead to new treatments that overcome this tumor defense mechanism and improve outcomes for lung cancer patients.
A team of researchers led by Adrian Oblak and Peter Bor-Chian Lin studied the INPP5D gene, which is associated with microglia-specific immune cells. They found that reducing its expression can mitigate Alzheimer's disease pathology, preserving cognitive function in lab models.
Researchers have identified a previously unknown component of brain anatomy, dubbed SLYM, which acts as a protective barrier and immune monitoring platform. The discovery is expected to shed light on the glymphatic system's mechanisms and its potential role in brain diseases like Alzheimer's.
Researchers found genetic mutations to OAS and RNase L proteins increase inflammatory response in immune cells, leading to MIS-C. This understanding may provide clues to chronic inflammation diseases like Kawasaki disease.
A study by Osaka University tracked the survival of antibody-producing plasma cells, finding that most die shortly after immune response, but a small population can survive for months or years. The researchers identified molecular markers distinguishing these long-lived plasma cells from short-lived ones.
Researchers characterized prostate cancer cell dynamics at single-cell resolution, revealing an expansion of intermediate cells that correlates with treatment resistance and poor clinical outcomes. A 5-gene signature associated with treatment resistance was also discovered.
A new study finds that discrimination influences the central and enteric nervous systems, altering the bidirectional signaling between the brain and gut microbiome. This leads to changes in systemic inflammation, emotional arousal, and psychological symptoms across different racial and ethnic groups.
Researchers found that graphene oxide exposure altered the gut microbiome and triggered a type 2 immune response in zebrafish, which could inform strategies to mitigate adverse effects of nanomaterials.
Researchers from Kumamoto University reveal how hematopoietic stem and progenitor cells orchestrate intestinal tissue repair through microbial signals. The study found that acute gut inflammation triggers the activation and expansion of immune progenitor cells, which migrate to lymph nodes to promote tissue repair.
A University of Ottawa-led team identified a new entry route for SARS-CoV-2 using metalloproteinases, which may lead to more widespread cell infection and severe illness. The study suggests that variants like the Delta strain may prefer this entry method, while others like Omicron do not.
A Mount Sinai study found that certain inflammatory markers can predict which patients are more likely to respond to COVID-19 immunotherapies. The researchers identified a subtype of COVID-19 patients with hyperinflammation who could benefit from pacritinib, an anti-cancer drug.
Researchers at Lund University have discovered that activating the TREM2 receptor on microglial cells slows down Alzheimer's disease progression by clearing tau protein aggregates. This innovative approach may lead to a new treatment method for Alzheimer's disease, in addition to reducing beta-amyloid and tau proteins.
Researchers found that excess fat triggers immune cells to overeat serotonin in the brain of developing male mice, leading to depression-like behavior. Female mice are not affected in the same way, with higher levels of oxytocin linked to social withdrawal.