Articles tagged with Mutant Cells
Scientists have identified a previously unknown genetic disease, MINA syndrome, which damages motor neurons and affects movement and muscle control. The disease is caused by a rare genetic mutation in the NAMPT protein, leading to symptoms such as muscle weakness, loss of coordination, and foot deformities.
A new study reveals that the menstrual cycle plays a role in spreading mutant cells within mammary tissue, leading to large fields prone to tumor formation. Researchers observed that the growth and removal of extra milk ducts during the menstrual cycle can contribute to this process.
Scientists have discovered 17 new genes involved in clonal haematopoiesis, a process associated with ageing linked to increased risks of blood cancers. The findings highlight the clinical significance of these genes in driving mutant blood cell clones, offering new avenues for studying disease development and promoting healthier ageing.
A recent study analyzed 7,301 metastatic breast cancer patients with MTAP loss, revealing younger age, higher TNBC cases, and BRCA1 mutations. The findings also suggest potential therapeutic agents targeting PRMT5 and MTA2 in MTAP-deficient cancers.
Researchers create mammalian cells that synthesize a noncanonical amino acid, which can be used to make therapeutic proteins. The discovery could lead to the development of new treatments for various diseases.
Researchers discovered that autophagy facilitates the elimination of cancer cells via cell competition, highlighting its potential as a target for cancer prevention and treatment. The study sheds light on the role of autophagy in maintaining tissue homeostasis and opening avenues for novel anti-cancer therapeutics.
A mutation in the TMEM163 zinc transporter gene has been definitively linked to hypomyelinating leukodystrophy, a rare and often fatal neurological disorder. The study's findings provide new insights into the role of zinc in normal brain development, injury, and disease.
Moffitt researchers used computer modeling to demonstrate the impact of skin homeostasis on driver and passenger mutations. They found that larger subclones are likely due to persistence and older age, not selective sweeps.
A study by Goethe University Frankfurt found that antibodies against Omicron variants BA.1 and BA.2 decline rapidly, even after a second vaccination or booster shot, offering limited protection against infection.
A set of genes promoting sweet taste sensation also regulate protein management in flies, according to a new study. The finding suggests a connection between taste-related genes and disorders of protein aggregation.
A new study found that the fourth COVID-19 vaccine reduces the risk of death among elderly individuals in long-term care facilities by 72%. The study, which included approximately 40,000 residents, also showed a significant reduction in hospitalizations and infections.
Researchers at the University of Wisconsin-Madison have discovered a direct link between the p53 and PI3K/Akt pathways in cancer cells. The study identified two enzymes, IPMK and PIPKIa, as key regulators of these pathways, offering new insights into potential cancer treatments.
Researchers from China have developed a novel bioconjugate that can suppress the growth of K-Ras mutant pancreatic tumors. The conjugate, which targets folate receptors and macropinocytosis, was found to be highly cytotoxic and effective at suppressing tumor growth.
A study by Brazilian scientists reveals that autophagy can modulate the accumulation of mutant mitochondrial DNA in cells during aging. The researchers found that mice with liver-specific atg7 knockout showed reduced buildup of mutant DNA, suggesting a potential therapeutic target for diseases associated with mitochondrial DNA mutations.
Researchers at Rice University have developed a theoretical framework to explain how cancers caused by multiple genetic mutations can be identified and potentially stopped. By analyzing energy landscapes of cellular transformation pathways, they found that the most dominant pathways are favored by chance.
The study found that T-cell immunity was effective against Omicron variants in approximately 90% of vaccinated Europeans. The researchers identified a specific HLA-DRB1*03:01 variant that allowed the virus to evade immune recognition, particularly affecting individuals with this genetic variation.
A recent study led by scientists at Albert Einstein College of Medicine suggests that some smokers have robust mechanisms to limit mutations, protecting them from lung cancer. The findings could help identify those with an increased risk for the disease and warrant close monitoring.
Researchers discovered that a genetic mutation causing odd-shaped nuclei may lead to earlier diagnosis and treatment of certain leukemias. The study found that the loss of nuclear Lamin B1 induces defects in nuclear morphology and genome instability, setting the stage for cancer.
Researchers identified a mechanism that helps explain how certain kinds of genetic disorders are transmitted from mother to child. The study showed that mutant mtDNA builds up in the final stages of egg formation and can impair mitochondrial function, leading to disease.
Researchers have developed a rapid and affordable test to identify specific genetic mutations in cancer cells using SuperSelective PCR primers. This assay can detect rare mutations, enabling targeted therapy and monitoring minimal residual disease. The study demonstrates the potential of this approach for personalized cancer treatment.
Researchers at the University of Gothenburg mapped SARS-CoV-2 mutation patterns and found that ADAR1-induced mutations weaken the virus. These mutations are more common than other types of mutations, suggesting a protective mechanism against COVID-19.
Researchers have developed a new therapeutic approach to block mutated RAS proteins, which are frequently found in cancers. The method, using small molecules, has the potential to work with multiple mutant forms of RAS in various types of cancers, including pancreatic, lung, and colorectal cancers.
A recent study published in Developmental Cell reveals that Kras mutation causes chromatin rearrangement, leading to stem-like cell regeneration and tumor onset. The team discovered a protein complex called AP-1 as the mediator of this process, which can be targeted with small-molecule drugs.
Scientists discovered that surviving bacteria share a common feature: they accumulate acid in their cells, shutting down protein synthesis. This leads to increased survival and can be exploited to develop new antimicrobial treatments.
Researchers found that glioma cells with mutated ATRX have reduced Chk1 activity, leading to dysregulated cell cycle and heightened sensitivity to ATM inhibitors. The study suggests that combining radiation therapy with these inhibitors may improve treatment outcomes for patients with this gene mutation.
A team of researchers found a connection between energy production and Alzheimer's disease in zebrafish with mutated genes. They discovered that Alzheimer's disease affects the use of oxygen within cells to produce energy, leading to severe deficiency in brain function.
Researchers analyzed the largest cross-species database to assess species-specific cancer mortality rates and found conclusive proof that cancer risk is largely independent of body mass and life expectancy. The study highlights potent mechanisms of cancer resistance in larger species, contradicting intuitive expectations.
A marine-dwelling creature, Trichoplax adhaerens, has been found to resist cancer and repair DNA after radiation damage. Researchers are exploring its unique properties to develop new therapies for cancer.
Researchers created a disease map of genes involved in eye disorders, shedding light on how individual cells respond to external factors like injury. The study paves the way for regenerative medicine and cell replacement therapies for eye diseases.
Researchers at Tel-Aviv University have shed light on the Sigma-1 receptor's topology and function in neurodegenerative diseases. The study reveals that the receptor is retained in the endoplasmic reticulum and its amino end faces the cytoplasm, providing a crucial mechanism for therapeutic approaches to alleviate suffering from ALS.
Researchers at Harvard's Wyss Institute have developed a microfluidic Organ Chip device that accurately models cystic fibrosis lung airway pathology. The model replicates key pathological hallmarks, including mucus layer changes and inflammatory responses, providing a comprehensive preclinical human model for investigating new therapies.
A recent study by Sanford Burnham Prebys and the National Cancer Institute has shown that CRISPR-Cas9 gene editing can favor cells with mutated forms of genes linked to cancer. This highlights the importance of monitoring patients undergoing CRISPR-based gene therapy for cancer-related mutations.
Researchers at the University of Copenhagen have discovered that the BRCA2 gene requires a specific enzyme, PP2A-B56, to repair DNA damage. This finding may pave the way for more targeted treatment of cancer patients with certain mutations.
Researchers discovered that mutant clones in the normal human oesophagus outcompete and eliminate emerging tumours, preventing them from growing. This study sheds light on how cancer develops and could lead to new ways to prevent early tumours from becoming cancers.
Researchers have discovered a new drug target for myelodysplastic syndrome (MDS) and other hematologic malignancies, which are sensitive to MEK inhibitors. The study found that mutations affecting RNA splicing alter cells to develop MDS and solid tumors, providing a potential new approach to treating this rare blood cancer.
Researchers found that remnant cholesterol levels above 24 micrograms per deciliter were associated with a 40-50% higher risk of major heart disease or stroke. The study suggests using remnant cholesterol as an additional metric for predicting cardiovascular disease and stroke risk, in addition to LDL cholesterol levels.
A UC Riverside-led study identifies how loss-of-function mutations in the gene PTPN2 affect intestinal epithelial cells' ability to maintain a barrier. The researchers found that increased fluid loss and diarrhea are linked to the mutation, which can be reversed by treating cells with synthetic matriptase.
Researchers discovered that cancer-associated mutations in blood progenitor cells lead to distinct changes in both cancer and non-cancer immune cells in Waldenstrom macroglobulinemia. This finding has potential implications for origins and therapy of the disease, suggesting a new approach to immune therapies.
Silent mutations, which don't change protein sequences, hold diagnostic value in predicting cancer types and patient survival. The study analyzed over 10,000 cancer genomes and found that combining information from silent and non-silent mutations improved classification and prognostication up to 17% and 5%, respectively.
Researchers found a mutation in ELOVL4 enzyme impairs communication between neurons, leading to impaired motor control and coordination. The study provides new insights into the essential role of ELOVL4 in motor function and synaptic plasticity, suggesting potential therapeutic strategies for patients with spinocerebellar ataxia.
Researchers at the University of Oregon used CRISPR-Cas9 gene editing to target a specific mutation causing Fuchs' corneal dystrophy, preserving endothelial cell density and function. The study lays the groundwork for future research on using this technique to treat genetic disorders in post-mitotic cells.
The American Heart Association has awarded a diversity grant supplement to the Masonic Medical Research Institute to investigate the connection between autism and heart disease. The grant will support Dr. Luana Nunes Santos' research on PTPN11 gene mutations and their effects on heart health.
MADM technology has been expanded to enable the analysis of over 96% of mouse genes at the single-cell level. This breakthrough allows researchers to study disease progression, including cancer, and gain insights into gene function.
A team of researchers developed a laboratory system to dissect the pre-cancerous steps that remained undetected until present. They found that mutant cells create a hostile environment for neighboring non-mutant cells and deregulate the normal stem cell niche in mouse intestinal tissue.
Researchers at the Wellcome Sanger Institute have developed a new method called nanorate sequencing (NanoSeq) that enables accurate study of genetic changes in human tissues. The study challenges the idea that cell division is the main mechanism driving genetic changes and opens up new avenues for research into cancer and ageing.
Researchers developed a human model of Leigh syndrome caused by SURF1 mutations, discovering that energy deficits in neural precursors lead to neuronal defects and brain function impairment. This breakthrough provides potential therapeutic strategies, including gene replacement therapy and the use of Bezafibrate, for treating children ...
Researchers at Yale University have developed a method to recreate the earliest stages of cellular development, allowing scientists to track individual cell lineages. By analyzing tiny variations in skin cells' genomes, they can reconstruct the early lineage trees for each person, shedding light on human biology and potentially diagnos...
Researchers at Harvard Medical School and Dana-Farber Cancer Institute found that cancer-causing mutations can arise decades ago, in some cases as far back as 40 years before diagnosis. The study used genetic sequencing and phylogenetic analysis to reconstruct the lineage history of cancer cells in two patients with a rare blood cancer.
A new study published in Nature Communications shows that genetic mutations during embryonic development can cause spina bifida, a severe birth defect. Researchers found that even when these mutations occur randomly in only 16% of spinal cord cells, it's enough to lead to spina bifida.
Researchers from Hiroshima University have identified a mechanism that allows some mutant cells to recover from a displaced nucleus during mitosis, potentially leading to cell death. The study found that microfilaments play a role in pushing the nucleus to safety.
Tuberous sclerosis complex (TSC) affects millions worldwide, causing cysts and benign tumors to form in the kidney, leading to kidney failure. Researchers led by Dr. Manoocher Soleimani found that changes in cells lining the collecting ducts are responsible for cyst formation, offering new avenues for potential treatments.
Scientists discovered that DCM-causing LMNA gene mutations disrupt the 'identity' of heart muscle cells by altering nuclear lamina-genome interactions and epigenetic marks. This disruption leads to abnormal gene regulation and loss of mechanical elasticity in heart cells.
A study by University of Birmingham scientists has shown that the balance of cells in blood is affected earlier than thought, particularly for families carrying mutant RUNX1 proteins. The research found that these mutations can change how genes respond and lead to different diseases.
Researchers discovered that mutagens induce errors in gene transcription, vastly outnumbering DNA mutations. This discovery opens new avenues of research into age-related diseases and sheds light on the role of the 'transcriptome' in aging.
Researchers at Gladstone Institutes and UCSF have discovered a complex network of genes and proteins that go awry in a subset of congenital heart diseases. The study sheds light on how genetic mutations contribute to the disease, offering new insights into potential prevention or treatment strategies.
Scientists discover hematoxylin compounds selectively kill mutated CALR cells, providing hope for new treatment options for primary myelofibrosis patients. The study's results show hematoxylin's ability to disrupt the interaction between mutated CALR and thrombopoietin receptor.
Scientists successfully induced collecting duct cysts from human iPS cells with PKD1 homozygous mutation, mirroring clinical conditions. This breakthrough offers a new disease model and potential therapeutic avenues for ADPKD treatment.
Researchers discovered a rare single gene mutation in a patient that eliminated an immune cell population, namely MAIT cells. The study demonstrates the impact of a single gene mutation on the human immune system and advances personalized medicine.
Researchers have discovered that older mice have a higher number of new mutations in their mitochondrial genomes than younger mice. This finding could have significant implications for understanding human reproductive health and the causes of genetic diseases.
A team of scientists has provided clarity into how new cells remember their identity after cell division. They found that many genes are activated immediately after cell division, acting in a cascade to send critical signals and allow the cell to 'wake up' from its cellular amnesia.