Articles tagged with Cell Division
Researchers in Japan studied Sarracenia purpurea to understand how carnivorous pitcher leaves form. They found that oriented cell division is the key factor behind pitcher leaf development, resulting in a hollow structure.
Researchers at Johns Hopkins Medicine have created a 3D model of the ORC protein machine, which helps prepare DNA for duplication. The model reveals that ORC is not always 'on' as previously thought, and no one knows how it turns on and off.
Researchers have developed a molecular mouse-trap technique that aids understanding of cell division and its role in cancer. By studying the structure of proteins involved in chromosome formation, scientists can develop new approaches to analyze complex biological molecules.
Cell division relies on a collective process rather than a single molecular architect. The cleavage furrow's formation is driven by chemical signaling and mechanical processes, not just one key protein.
Researchers at Concordia University have grown mutant E. coli bacteria up to 3/4 millimeter long, 750 times their normal length, by blocking cell division. This breakthrough has potential applications in the nanoscale industry and may lead to a better understanding of pathogens.
A novel study has provided an answer to the long-standing question of how cells control their size and maintain stable distributions. Researchers found that cells follow a simple quantitative principle, adding constant size irrespective of birth size, to ensure stability of size distributions.
A recent study found that cell division in endothelial cells leads to the formation of large, ordered eddies in tissue, which may help widen blocked blood vessels and aid healing. The researchers used phase-contrast microscopy to observe the movement of new cells and found characteristic turbulence patterns.
Researchers identified FoxO1 as a key molecule regulating cell division in vascular wall cells, leading to pulmonary hypertension. Boosting FoxO1 activity has been shown to normalize pathological cell division and potentially cure the disease in rats.
Researchers identified OGF-OGFr regulatory pathway as key factor in enhanced cell replication and diabetic wound healing. Topical naltrexone application stimulates cell proliferation, but only when OGFr expression is diminished.
Researchers from CNIO have characterized a key protein interaction that regulates cellular proliferation; this discovery may aid in developing new anti-microtubule drugs to combat cancer. The study's findings provide insights into the molecular basis of microtubule assembly during cell division.
Researchers from Fred Hutchinson Cancer Center discovered that CenH3, a foundational protein in cell division, is surprisingly absent in many insect species. This finding challenges the long-held assumption of its essentiality and provides insights into the evolution of centromeres and potential mechanisms for chromosomal instability.
Researchers at the Salk Institute have discovered a 'switch' in cells that can be turned on and off to control telomerase activity. This switch could help keep telomerase levels low, potentially slowing aging and regenerating vital organs.
Researchers at UC Santa Cruz found that both sperm and eggs transmit a memory of gene repression to embryos, which is then transmitted through multiple cell divisions. This epigenetic memory plays a crucial role in regulating gene expression and development.
Researchers have uncovered how bacteria control their growth and division by destroying key proteins through regulated protein degradation, a critical process for bacterial virulence. Understanding this mechanism may lead to the discovery of new antibiotics targeting pathways that allow bacteria to overcome stressful conditions.
Cancer cells can divide even without sufficient oxygen by manipulating the protein HIF-1alpha. Lysosomes play a crucial role in regulating this process by marking or degrading HIF-1alpha. The study suggests that inhibiting Cdk2 may be an effective treatment strategy for certain types of cancer.
Researchers discovered that cell division in mammalian cells synchronises with the body's daily rhythm, known as the circadian clock. This synchronization can help explain why people with disrupted circadian rhythms are more susceptible to cancer and may also inform an optimal timing for administering chemotherapy.
Scientists discovered a surge of heart muscle cell division in young mice, increasing cardiac muscle cells by 40% and suggesting thyroid hormone could aid in children's treatment, offering an alternative to focusing on stem cells.
Researchers have discovered that the timing and coordination of cell division are crucial for normal development, particularly in early embryonic stages. Fast-dividing cells require genes without introns to efficiently produce proteins.
Researchers discovered that cells use the cdr2p protein to probe their surface area and determine when to divide. The study challenges previous models suggesting that another protein senses cell length.
A team of researchers has created a detailed analysis of protein activity in human cancer cells, revealing the dynamic patterns of gene expression during the cell cycle. The study provides new insights into how genes work over time in cancer cells and could lead to the development of safer new drugs.
Scientists have discovered a molecular 'switch' that regulates heart cell division and could potentially be used to regenerate damaged heart tissue. The discovery was made by studying infant siblings with a rare heart defect, who exhibited unusual heart cell proliferation.
Researchers at Karolinska Institutet found that a subtle epigenetic change facilitates structural changes of the centromere prior to cell division, ensuring proper chromosome distribution. This mechanism is highly similar in human cells and yeast cells, suggesting its key role in preventing incorrect chromosome numbers.
Researchers at the University of Edinburgh identified shugoshin as a critical protein in ensuring accurate cell division. The study found that disabling shugoshin led to increased abnormal chromosome numbers, highlighting its importance in preventing aneuploidy and potentially cancer.
A crucial amino acid signal regulates centrosome duplication and its absence leads to pathologically altered cells found in people with microcephaly. This discovery sheds light on the development of this neurodevelopmental disorder.
Researchers at VIB and Ghent University discovered a protein complex that regulates the transition from cell division to cell specialization in leaves. By extending the activity of this complex, more cells divide, resulting in larger leaves.
Researchers at the University of Edinburgh have discovered a set of proteins that stabilise cell division, which could lead to new avenues in drug discovery for fighting cancer. The findings shed light on how cells duplicate their DNA and separate into two new cells, each identical to the original.
Researchers at CNIO discovered blocking Cdh1 protein prevents cellular proliferation in rapidly dividing cells. This could lead to new therapies targeting cancer.
Researchers discovered two variants of Pds5 proteins that modulate cohesins' behavior, essential for proper cell division. Understanding this regulation can improve diagnosis and treatment for cancer patients and Cornelia de Lange Syndrome sufferers.
Researchers at CNIO have sequenced the exome of 17 patients with non-infiltrating bladder cancer, revealing new genetic pathways and genes involved in the disease. These findings provide a first step towards understanding the biology of bladder cancer and improving patient management.
Researchers at Dartmouth's Geisel School of Medicine discovered that cyclin A plays a crucial role in ensuring faithful chromosome segregation during cell division. In contrast to normal cells, cancer cells often fail to correct errors, leading to abnormal numbers of chromosomes and resistance to chemotherapy treatments.
Researchers found yeast cells can multiply up to six of their chromosomes during cell division and reverse this process, allowing for rapid adaptation to environmental conditions. This discovery provides a new model organism for studying aneuploidy and its potential implications for diagnosing and treating human diseases.
Researchers at the University of Montreal have discovered how rapamycin prevents cells from dividing, potentially slowing cancer progression and other diseases of abnormal growth. The study reveals that TOR sends a signal to shut down B cyclin production through an intermediary protein.
Researchers determined the three-dimensional structure of a protein pair, LC8 and Nek9, which plays a crucial role in cell division. This discovery has implications for studying diseases related to cell division processes like cancer.
Researchers have discovered how two proteins shelter each other to ensure smooth and safe cell division, a process crucial for growth and response to environmental changes. By understanding these molecular mechanisms, scientists may uncover new clues for understanding diseases like cancer.
Researchers found that shorter telomere lengths in certain cells are associated with an increased risk of developing upper respiratory infections. The study, published in JAMA, suggests a link between telomere shortening and immune system dysfunction in younger, healthy populations.
Researchers have identified how two genes, Ipl1 and Mps1, work together to correct mistakes in chromosome distribution during cell division. This understanding could lead to targeted cancer treatments by controlling these master regulator genes.
A team of researchers from the University of North Carolina and Columbia University discovered how two key proteins in messenger RNA communicate via a molecular twist to regulate histone production. This complex interaction helps maintain the balance of histones and DNA, ensuring proper cell growth and division.
Researchers have identified key proteins involved in loading a vital protein into the centromere, a critical region for cell division. Disruption of this process can lead to abnormal numbers of chromosomes, common in 90% of cancer cases.
Researchers have created a plentiful supply of glial progenitor cells, which produce myelin, by mastering the chemical symphony that instructs them to divide. This breakthrough could lead to treatments for diseases like multiple sclerosis and cerebral palsy.
Researchers at Newcastle University have found that brain cells follow the same molecular pathway as senescent fibroblasts, leading to cell damage and age-related diseases. This discovery opens new possibilities for understanding and treating conditions like dementia and motor neuron disease.
A new protein called Lem4 has been discovered to direct a crucial step in cell division by preventing the addition of phosphate tags to BAF while promoting their removal. This process is essential for cellular growth and division, and its regulation may be key to understanding various cellular processes.
Physicists developed a two-component model accounting for cell expansion and fluid dynamics. The model revealed that homeostatic pressure, not fluid pressure, drives cell division in biological tissues. This discovery could help understand cancer growth by disrupting homeostasis.
Researchers identified a genetic pathway that influences the spread of cancer cells, which could lead to new treatment avenues. The study found that changes in genetics affect DNA methylation, causing cells to divide uncontrollably.
Scientists at the University of Liverpool have resolved the debate on the mechanisms involved in human cell shut-down during division, finding that receptors can transport nutrients but are temporarily blocked. This discovery may lead to future studies on manipulating this process to prevent harmful infections.
A Nationwide Children's Hospital study found that muscle regeneration may create an ideal environment for rhabdomyosarcoma to arise. The research uses mouse models of muscular dystrophy to investigate the growth of eRMS, a fast-growing and highly malignant tumor subtype.
Research shows that ultra short telomeres in osteoarthritic knees are associated with increased severity of OA and proximity to the most damaged section. Abnormally shortened telomeres may lead to senescence, failure of joint repair and progression of the disease.
Researchers at Linköping University have identified a new target for treating psoriasis: the psoriasin protein, which stimulates cell division and angiogenesis. By inhibiting psoriasin, they believe they can reduce disease severity and minimize side effects.
Researchers have discovered that flatworms can regenerate without centrosomes, a cellular structure essential for cell division in all animals. This finding challenges the long-held assumption that centrosomes are crucial for cell division.
Researchers at Stowers Institute for Medical Research discovered that aging yeast cells retain protein aggregates in mother cells during cell division, preventing them from passing on to daughters. This process is facilitated by the limited mobility of protein aggregates and the narrow opening of the bud neck.
A team of scientists has discovered that the histone protein CenH3 is both necessary and sufficient to trigger the formation of centromeres and pass them on from generation to generation. This discovery may help develop artificial human chromosomes for gene therapies in medicine.
A recent study published in Science reveals that mitochondrial division occurs at points where the two structures, mitochondria and ER, touch. This discovery has significant implications for our understanding of cell organization and the development of diseases such as diabetes, cardiovascular disease, and stroke.
A recent NIH award of $1.39M will support a study led by Dr. Lori A. Pile to investigate the alteration of chromatin structure during cell division, which is crucial for normal cell growth and cancer development. The findings aim to refine cancer treatments currently undergoing clinical trials.
Scientists at the European Molecular Biology Laboratory have discovered a protein complex called condensin that keeps chromosome arms folded and easy to transport. This discovery may lead to a better understanding of how chromosomes are organized during cell division, with implications for our own cells' ability to divide properly.
Researchers at Scripps Research Institute have discovered a mechanism enabling cancer cells to sustain abnormal growth by nullifying natural defense against uncontrolled division. Cks proteins overexpression causes incipient cancer cells to ignore braking signals, leading to unchecked cell division.
Researchers discovered c-JUN's ability to prevent methylation of p16INK4a and Cdk6, accelerating tumour formation and stabilizing these genes. This new function reveals a complex role for the protein in cancer development.
A team of researchers has made a breakthrough in understanding the assembly of centromeres in human cells, revealing an essential division of labor among specific proteins. By visualizing these proteins in living cells, they discovered that certain proteins like CENP-A play a crucial role in carrying genetic information to the centromere.
Johns Hopkins researchers have discovered a direct link between MCM proteins and the oxygen-sensing HIF-1 protein. The study found that MCM proteins mediate crosstalk between cell division machinery and environmental factors, controlling cell growth based on oxygen availability.
Researchers discover CENP-C and CENP-T proteins, which are essential for kinetochore assembly and can potentially overcome the current obstacle of outfitting artificial chromosomes with kinetochores. This finding could lead to new genetic research tools and efficient creation of artificial human chromosomes.
Cytotoxic T cells (CTLs) get a head start on viral replication by dividing early during their journey to infected tissue. This allows them to quickly respond to the virus upon arrival, making them more effective in defending against infection.
In a study published in Cell Metabolism, researchers discovered a genetic switch called dERR that supports cell division and proliferation in growing fruit flies. This switch is controlled by a nuclear receptor and transcription factor similar to human ERRs, which are associated with breast cancer.