Articles tagged with Protein Markers
Researchers at Sinai Health have developed a new tool to better understand the organization of living human cells. By creating a detailed map of protein localization across all compartments in human cells, the team has gained valuable insights into cellular function and disease mechanisms.
A novel gel electrophoresis technique enables rapid biomarker diagnosis via mass spectrometry, overcoming issues with traditional digestion protocols. The method uses dissolvable polyacrylamide gels to recover target proteins, allowing for high-throughput sample preparation and efficient quantification of biomarkers.
Hospitalized COVID-19 patients with vitamin D sufficiency had a significant decreased risk for adverse clinical outcomes, including becoming unconscious, hypoxia, and death. Vitamin D also lower blood levels of inflammatory marker C-reactive protein and higher blood levels of lymphocytes.
Researchers discovered elevated markers associated with heat stress and pesticide exposure in failed queens from B.C., suggesting temperature fluctuations during transportation and potential pesticide effects may contribute to queen bee failure. A diagnostic test is proposed to help beekeepers understand and prevent this issue.
The NUS-developed STAMP technology enables accurate detection and classification of cancer cells, as well as determination of disease aggressiveness from minimal clinical samples. This breakthrough could lead to earlier diagnoses and more effective treatment decisions.
Research at Vanderbilt University Medical Center found that women accumulate more tau protein in their brains than men, leading to a faster spread of the protein and increased risk for Alzheimer's disease. This sex-specific difference in tau spread may require tailored approaches for prevention and treatment.
A study examining nearly 300 clinically normal adults found that women showed more tau deposits in the brain than men, associated with greater Aβ plaque deposits, supporting potential reasons for differences in AD risk between men and women. The findings may be limited by the study population's age and demographic characteristics.
Researchers discovered a blood marker that can predict the risk of bone fractures in postmenopausal women, independent of other measures. High levels of periostin protein fragments were found to be associated with an increased risk of fractures, suggesting they reflect additional bone properties.
Scientists have created an optogenetic process that inhibits intracellular membrane vesicle trafficking, effectively pausing cellular activity. This innovation enables the observation and control of cell membranes, opening up new avenues for studying diseases like neurodegenerative disorders.
Researchers from Goethe University and MIT have developed a new method to deliver protein markers with nanometre precision into living cells. The technique, called cell squeezing, uses high pressure to incorporate fluorescent probes with an efficiency rate greater than 80 percent.
Researchers at the University of Montreal developed rapid and inexpensive medical diagnostic tests using DNA molecules. The new technology detects protein markers linked to various diseases and can be used to build point-of-care devices for quick medical diagnosis, potentially impacting global health.
Researchers have identified the protein marker Bim as a potential predictor for patient response to PD-1 immunotherapy for melanoma. Patients with high levels of Bim and soluble PD-L1 are more likely to respond to treatment, suggesting that this biomarker may help clinicians predict which patients will benefit from PD-1 blockade.
Researchers have identified two new protein markers, GlycA and GlycB, which are associated with inflammation and cardiovascular disease. Elevated levels of these proteins were found in nearly half of the patients who died or suffered an adverse event during follow-up.
New study links aluminum accumulation to neuronal cell death and identifies necrostatin-1 as a substance that counteracts aluminum's neurotoxic effects. In mice treated with aluminum, Nec-1 demonstrated strong protection against cell death and improved cognitive function.
Researchers detect single cancer marker protein and smaller molecules without labels, shattering previous records and advancing early disease diagnostics. The novel 'whispering gallery-mode biosensing' method enables real-time detection of proteins in blood serum within minutes.
A new Ohio University study found that dwelling on stressful events increases levels of inflammation in the body, which can lead to chronic diseases such as heart disease and cancer. The study recruited 34 healthy young women who were asked to give a speech about their candidacy for a job while others thought about neutral images.
A study analyzing protein biomarkers in blood serum identified individuals with Alzheimer's disease with high accuracy. The findings suggest an inflammatory subtype of the disease and hold potential for targeted therapeutics.
Scientists have engineered a variant of fluorescent protein from reef coral to observe protein movement in live cells. The newly created mIrisFP has excellent properties as a genetically encoded marker protein, enabling the study of dynamical processes within live cells at high spatial resolution.
A study published in Neurology found that high levels of C-reactive protein are associated with worse performance in executive function, a process in the brain that enables planning, decision-making, and behavior selection. Higher CRP levels also affected the frontal lobe of the brain, equivalent to 12 years of aging.
A new study found that genetic variants associated with increased CRP levels are not linked to an increased risk of cancer. However, the researchers suggest that chronic inflammation may still contribute to cancer development.
A study found that calorie-restricted diets alter proteins in abdominal subcutaneous fat cells, which could serve as markers for improving or tracking therapy effects. Volunteers who lost an average of 21 pounds showed changes in protein levels, offering new insights into the mechanisms behind these diets.
A study of 2,240 people found that high CRP levels were associated with an increased risk of heart attack and death, while lower levels were linked to reduced risk. The protein was not linked to an increased risk of stroke in the study, suggesting it may be more useful for predicting heart health.
Researchers from Royal Free and University College London Medical School used Mendelian randomization to examine the association between CRP levels and type 2 diabetes risk. They found that elevated CRP levels in the blood are unlikely to cause diabetes, challenging previous research suggesting a potential causal link.
A combination of antiretroviral drugs called HAART halted neurodegenerative process caused by HIV, with normal biomarker levels found in nearly half of patients after three months. The study also found significant correlations between high protein levels and dementia in AIDS patients.
Several biomarkers emerged as potentially clinically useful in predicting CAD-related and all-cause death. Increases in plasma levels of IL-6 and total homocysteine were associated with higher risks of death in patients with known CAD.
A study published in JCI Journal reveals that alpha-basic-crystallin is overexpressed in breast cancer tumors and triggers tumor development. The protein causes dysregulated growth, changes in cell structure, and diminished programmed cell death, ultimately leading to poor clinical outcomes.
Recent research in chronic lymphocytic leukemia (CLL) identifies genetic and protein markers that can predict patient outcomes. These new markers may enable earlier treatment, improving survival rates and altering the disease's progression.
A study published in Nicotine & Tobacco Research found that postmenopausal women who quit or cut back on smoking experienced a significant drop in SHBG and NTx levels, two proteins linked to bone loss. This discovery may help explain how smoking contributes to osteoporosis in this demographic.
Researchers at the University of Florida have demonstrated a novel approach to overcoming gene therapy hurdles by attaching viruses to tiny manufactured balls coated with iron oxide. The microspheres can be targeted using magnets, allowing for more efficient delivery of corrective genes to specific organs or tissues.
Researchers at UC Berkeley have developed a sensitive assay for detecting proteins associated with prostate cancer, which could lead to fast screening and molecular profiling for various diseases. The technique uses micromachined cantilevers that can detect levels of protein markers 20 times lower than the clinically relevant threshold.
A clinical study has confirmed a single gene mutation as the cause of chloroquine-resistant malaria. The study developed a molecular marker that can diagnose individuals with chloroquine-resistant malaria, helping doctors select the best therapy and public health officials set country-wide treatment guidelines.
Researchers at Memorial Sloan-Kettering Cancer Center have discovered a genetic mutation in the MAD2 protein that makes cancer cells genetically unstable and resistant to chemotherapy drugs. This finding may lead to new treatments and diagnostic markers for aggressive tumors.
Researchers have pinpointed the first human gene that controls circadian rhythm, a discovery that raises hopes for treating sleep problems in adolescents, the elderly, and shift workers. The study found a mutation in the hPer2 gene, which is responsible for familial advanced sleep-phase syndrome.
Researchers found that patients with periodontal disease had significantly higher levels of C-reactive protein in their blood than those without gum disease, indicating an increased risk of future heart attacks. The study suggests that treating severe gum disease may help reduce CRP levels and the risk of another heart attack.
Researchers at UNC have developed a method to identify hypoxic tumor cells that are resistant to radiation and chemotherapy. The pimonidazole hypoxia marker allows scientists to focus on key factors associated with tumor aggressiveness and treatment resistance, offering new avenues for understanding cancer therapy.
A study suggests that combining honey with a protein supplement may boost post-workout recuperation and favor better blood sugar maintenance after exercise. The study found that the group receiving honey maintained optimal blood sugar levels throughout two hours following the workout.
Researchers found two protein biomarkers, cIAP-1 and XIAP, that correlate with distant metastasis-free survival in prostate cancer patients. Elevated levels of these proteins were associated with a higher risk of relapse after radiation therapy.
Charlottesville chemist Donald F. Hunt has developed a technique to identify fragments of proteins that stimulate the immune system to attack and kill melanoma, or skin cancer. His method uses mass spectrometry to analyze amino acid chains and could lead to the development of cancer vaccines.
Researchers develop a new method for labeling cell surfaces with azide markers, which can target cancer therapy, medical implants, and viral-mediated gene transfer. The Staudinger ligation technique uses an electron-hungry carbohydrate trap to prevent instability in water, enabling stable amide bonds.
Researchers found that low E-cadherin levels are the strongest prognostic factor for a poor long-term outcome in node-negative breast cancer patients. High or intermediate levels add little assurance of good prognosis, but abnormally low levels indicate a substantially increased risk of metastasis.
The discovery reveals how the kinesin motor generates motion along microtubule tracks, with a key role played by the neck linker. This understanding could lead to medical therapies targeting kinesin activity in cancer and neurodegenerative diseases.
Researchers discovered that high levels of BAG-1 protein correlate with better long-term survival and overall survival rates for women with early breast cancer. The study found a significant difference in 10-year survival rates between women with high and low BAG-1 protein levels.
Researchers at UT Southwestern Medical Center discovered that alpha-lipoic acid reduces oxidative stress and blood levels of bad cholesterol. The compound may improve blood-glucose control and has potential implications for aging and heart disease prevention.
Researchers have identified a new molecular marker for Alzheimer's disease, a normal cellular enzyme called casein kinase-1 (CK-1), which accumulates in nerve cells damaged by AD. CK-1 levels were found to be abnormally high in vacuoles within the hippocampus region of AD brains.
A new study of 27,050 kidney transplants reveals that the need for care within three years increases significantly as the number of mismatched surface markers increases. The cost of care rises by up to 34% with more mismatches, making well-matched organs a more cost-effective option.
Scientists discovered that p-glycoprotein and a similar protein collaborate to limit drug traffic through the brain. This finding could lead to improved treatment of diseases like AIDS, depression, cancer, and more.
A recent study found that low-level inflammation in adults is connected to measures of insulin metabolism. The loss of sensitivity to insulin contributes to diabetes, which in turn is a major cause of heart disease. High levels of C-reactive protein indicate low-level inflammatory status and are associated with increased risk of cardio...
A national pilot study is testing whether soy supplementation can reduce prostate cancer risk in African-American men. The $494,588 study, led by Electra D. Paskett, Ph.D., will evaluate the effect of soy on markers for prostate cancer risk and assess its impact on cardiovascular health and quality of life.
A new assay method has been developed to measure chromogranin A in peripheral blood, allowing clinicians to follow the outcome of gastrointestinal neuroendocrine tumors. This method could also serve as a diagnostic marker for other types of neuroendocrine tumor, such as small-cell lung cancer in smokers.
Researchers have discovered a new gene mutation associated with late-onset Alzheimer's disease, which interacts with other Alzheimer's genes and proteins. The A2M protein plays a crucial role in breaking down toxic amyloid plaques, suggesting a potential target for drug development to prevent or treat the disease.
A new study found that patients with tumors expressing low levels of the tumor suppressor protein p21 are more likely to recur and die from bladder cancer than those with elevated p21 levels. The study suggests that knowing both p53 and p21 status is a more powerful indicator of risk, allowing for clearer treatment decisions.
A new molecule, Bin1, has been identified by Wistar scientists as a potential indicator of malignant prostate cancer. Bin1 interacts with and limits the malignant potential of Myc, a protein found frequently in prostate cancers.
Researchers discovered a new molecular marker, p27(Kip1), that can predict prostate cancer tumor progression and guide treatment decisions. Low levels of the protein are associated with increased disease recurrence and mortality.
Researchers at Harvard Medical School have developed a new gene therapy technique that efficiently delivers genes to targeted cells by linking viruses with specific receptors. The technique, which uses a protein bridge made of growth factor EGF and ALV receptor proteins, allows for precise targeting of cell types, including cancer cells.
Researchers found that a vitamin supplement with folic acid, B-6, and B-12 reduced homocysteine levels and improved biochemical markers in the blood of 27 patients who had suffered a stroke. The study suggests that lowering homocysteine may have multiple biological effects on endothelial cells.
Researchers at University at Buffalo and Children's Hospital have identified a critical protein involved in iron metabolism. The discovery is expected to boost understanding of iron-deficiency anemia, the most prevalent disease worldwide, and provide insights into treating hemochromatosis, an inherited iron overload disorder.
Researchers are developing a new approach to cancer treatment called adoptive immunotherapy, which uses tumour antigens to stimulate immune cells. Tumour antigens are identified and used to sensitize T cells, which then recognize and attack cancer cells.
Researchers found a strong correlation between low levels of the Rb-2/p130 protein and aggressive, metastasizing lung cancer. The study's findings may lead to a new lung cancer tumor-grading test to enable early diagnosis and tailor treatments.
Scientists at the University of Georgia have discovered a three-dimensional structure of a fluorescent protein found in jellyfish that resembles a glowing green lantern. This discovery could help make it easier to use the protein as a biomarker for studying gene expression and cell lineage.