The grant will support five local projects focusing on stem cell transplantation, pneumococcal infection, combination drug therapy, gene therapy, and molecular biology of hemoglobin development. St. Jude sickle cell patients will have more opportunities for new therapies and participation in groundbreaking clinical trials.
Researchers have discovered a new way to prevent cell death in the brain, which could lead to treatments for stroke, schizophrenia, and other neurological disorders. By enhancing the interaction between two proteins, they may be able to design medications that target specific brain functions.
Researchers John Tyson and Bela Novak are developing mathematical models of yeast cell growth and division to better understand the molecular mechanisms controlling cell behavior. Their work aims to extrapolate findings from yeast cells to humans, with potential implications for cancer research and other cell-based diseases.
Researchers at Georgetown University Medical Center have developed a germ cell line derived from spermatogonia, offering a basic tool for studying male infertility and testicular cancer. This cell line exhibits characteristics of normal adult spermatogonial stem cells and differentiates into advanced germ cell types upon stimulation.
PTEN, a cancer-suppressing protein, directs cells by anchoring to the cell membrane and regulating phosphate groups. Its presence helps cells move forward while restricting movement at the back, crucial for sensing direction. The findings could have implications in understanding cancer spread and metastasis.
Researchers at Rockefeller University have discovered that the 'Reaper' protein triggers programmed cell death by instructing a fly cell's principal guard protein, DIAP1, to self-destruct. This finding may lead to novel strategies for targeting immortal cancer cells without harming healthy cells.
Researchers have created a virtual cell model to study cell motion, driven by a single protein that changes shape in response to pH levels. This model has potential implications for understanding various diseases, including cancer, heart disease, and wound healing.
Researchers have successfully established a cell line that functions like adult human mammary stem cells, opening up new avenues for studying breast cancer and tissue regeneration. The discovery was made by Dr. Ole William Petersen and colleagues from the University of Copenhagen and Lawrence Berkeley National Laboratory.
A team of researchers discovered a protein that controls animal cell fusion, which is crucial for proper development and tissue formation. The study found that mutations in this gene lead to birth defects and organ malformations, highlighting the importance of understanding the fusion mechanism.
The European Molecular Biology Organization (EMBO) has awarded Matthew Freeman the 2001 golden medal for his significant contributions to molecular biology. The prestigious award recognizes Freeman's groundbreaking work in this field.
UT Southwestern Medical Center has acquired a custom-crafted cryo-electron microscope to propel its cell-research capabilities. The new technology enables the analysis of sub-cell structures at sites in the cell where processes take place, providing valuable insights into cellular biology and disease mechanisms.
QSulf1 enables embryonic cells to express muscle-specific proteins by modifying signaling co-factors. This discovery sheds light on the complex process of cell differentiation and has implications for regenerative medicine.
Yale researchers have identified virtually all of the gene targets for a key protein, known as transcription factors, using new DNA chip technology. The study reveals that these proteins control cell proliferation in yeast and can be used to understand how cells become specialized.
Researchers found that FRAP regulates a membrane-to-cytoplasm communication network, governing cellular response to outside stimuli. The protein must shuttle between the nucleus and cytoplasm to function properly.
Researchers at Yale have discovered that the Golgi apparatus is an independent organelle that exists independently of the endoplasmic reticulum. This finding gives researchers a better understanding of cell division and uncontrolled cell division in cancer.
The Howard Hughes Medical Institute has awarded $50.3 million to 53 colleges and universities to expand and update laboratories, recruit new faculty members, and provide research opportunities for undergraduates. The grants support interdisciplinary programs linking biology and other fields, as well as programs attracting biology major...
Researchers at Cornell University have discovered how a hyperactive form of the molecular switch Cdc42 disrupts orderly cell growth, leading to cancer. The team found that Cdc42 increases protein shuttling, overstimulating cellular activities and causing hallmarks of cancer cells.
Researchers found that Avandia improves beta cell function, as measured by proinsulin to insulin ratio, indicating potential benefits for long-term glycemic control and disease progression. The study's results support the use of Avandia in type 2 diabetes treatment and suggest its potential to delay disease progression.
Philip Benfey has identified a gene that governs how plant cells proliferate and organize to form root systems. The research, published in Cell, has implications for both biology and bioengineering, including improving crop tolerance to salinity and fertilizer reliance.
A new method devised by Purdue engineers can prevent disconnections for roaming cell phone users by allowing two adjacent cells to share channels, ensuring a continuity of service as a caller travels from one cell to the next. This technique could increase network efficiency by up to 60% and reduce disconnections by up to 100 times.
Researchers at the University of Glasgow have identified a complex of proteins that activate cell growth and division protein E2F, leading to excessive cell division and cancer. This breakthrough provides an opportunity to develop small molecule drugs that can arrest E2F activity and prevent tumour cell proliferation.
Researchers discussed various molecular pathways that lead to cancer, including cellular senescence and oncogenic signaling. The symposium addressed the role of genetic instability and signaling pathways in cancer progression.
A recent study reveals a new parameter regulating cell attachment, which is influenced by the physical properties of the surrounding environment. The rigidity of the matrix affects cell adhesion dynamics, leading to the formation of different types of adhesions.
Scientists discover a new way cells can relay messages to affect gene activity through a protein-processing program that dismantles proteins into fragments acting as messengers. The study reveals a fragment of the developmental protein Notch serves as a messenger determining a cell's fate, influencing gene activity and cell behavior.
Researchers at the University of Chicago discovered how neighboring skin cells adhere to form sealed barriers, a critical function for maintaining body fluids and keeping germs out. The study found that calcium concentration plays a crucial role in this process, enabling the formation of adherence junctions and 'puncta' between cells.
Researchers at the University of North Carolina at Chapel Hill have discovered that calcium channels help regulate cell movement by opening to admit more calcium ions when cells are stretched. This boost in motility enables cells to move forward again, which could lead to breakthroughs in wound healing and cancer treatment.
The Wistar Institute hosted a symposium on regenerative biology, featuring experts discussing recent advances in understanding regeneration in metazoans, stem cells, and nervous systems. Key findings included insights into limb regeneration, spinal cord repair, and muscle cell replacement.
Computer simulations reveal a tension-activated switch mechanism that regulates fibronectin's cell-binding function, similar to untying a shoelace. The researchers' findings provide new insight into how nature may use molecular mechanics to control biological activity.
Researchers identify Hid protein as a key player in preventing programmed cell death, finding it relies on survival signals for regulation. The discovery has potential applications in treating neurodegenerative diseases and conditions like stroke.
Researchers at Northwestern University have identified a new regulatory molecule, HSBP-1, that regulates the production of heat shock proteins in response to stress. This finding may lead to new insights into cell death associated with aging and diseases such as heart disease and stroke.
Researchers at Virginia Tech have discovered a protein called Replication Protein A (RPA) that plays a crucial role in regulating cell differentiation and proliferation. The study's findings suggest that RPA could be a potential target for therapeutic intervention in cancer treatment, offering new hope for gene therapy.
Researchers at Johns Hopkins have discovered that HIV depends on the moving parts of a cell's surface to enter the cell. The findings suggest that clustering transmits signals to the cell that could be important for HIV replication.
Researchers have gained insight into the mechanisms of cell migration by altering a calcium-regulated traffic signal that dictates how cells stick to their environment. This discovery could lead to new treatments for diseases such as cancer invasion and metastasis, as well as inflammatory problems like arthritis.
Nancy Roseman, assistant professor of biology at Williams College, has been awarded a $266,191 NSF grant to study the biochemistry of dUTPase, an enzyme involved in DNA metabolism. Her research uses the vaccinia virus as a model to understand viral/host interactions and DNA replication.
Researchers discovered a simple mechanism of aging in yeast cells, where extrachromosomal ribosomal DNA (ERCs) replicates until the cell dies. ERCs' accumulation causes enlargement and fragmentation of the nucleolus, leading to cell death, suggesting a potential target for intervening aging processes.
A team of researchers has developed a virus that controls HIV infection by targeting infected T cells. The modified virus, VSV, tricks infected cells into fusing with it instead of normal cells, allowing it to destroy the virus. This approach could lead to new treatments for HIV and other diseases.
Researchers have discovered a novel protein, Vera, that plays a crucial role in RNA localization in oocytes. This process is essential for the development of embryogenesis and has broad implications for biology, as it occurs in many adult cell types.
The study, published in the EMBO Journal, shows that viral tails play a crucial role in controlling the shape and formation of new viral particles. The research demonstrates the importance of these protein parts in the development of the virus.
Researchers discovered a genetic mutation in the TIE-2 gene responsible for venous malformations, the most common type of birthmark. The mutation disrupts the normal molecular dialog between endothelial cells and their environment, leading to abnormal blood vessel formation.
A newly discovered gene, MAD2, acts as a checkpoint in the cell cycle, ensuring chromosomes are ready to separate properly before cell division. Blocking the gene's activity can lead to tumor growth due to haphazard cell division and missing chromosomes.