Researchers have developed a method using tiny alpaca-derived nanobodies to identify and target specific proteins involved in viral infections. By using these molecules to perturb cellular processes, scientists can tease apart the roles individual proteins play in disease, leading to potential new treatments for infectious diseases.
Researchers use CRISPR/Cas9 to analyze genome-wide association study results and pinpoint a genetic mutation in the alpha-synuclein gene that increases risk of sporadic Parkinson's disease. The discovery could lead to better understanding of complex diseases with genetic causes.
Researchers discovered that disruptions in chromosomal looping structures can activate oncogenes fueling aggressive tumor growth. These findings reveal the powerful influence of genome structure on human health and disease, offering new insights into cancer diagnostics and treatment protocols.
Researchers found that a high-fat diet drives an increase in intestinal stem cells and stem-like cells, which can give rise to tumors. The diet also activates a nutrient-sensing pathway that promotes cell growth and mutations leading to cancer.
Whitehead Institute researchers develop hydrogel scaffolds that support human mammary tissue growth from patient-derived cells, providing insights into normal breast development and cancer progression. The scaffold responds to hormones and allows for the study of gene perturbations.
A recent study by Whitehead Institute scientists found that B cells with diverse affinities for invading pathogens are selected in the immune system's germinal centers. This approach may aid development of effective vaccines against rapidly mutating viruses like HIV and influenza.
Scientists have created a new mouse-human modeling platform that can study neural crest development and model diseases like melanoma and neurofibromatosis. The system uses human committed stem cells injected into mouse embryos, resulting in successfully integrated chimeras with disease-relevant human cells.
Researchers at Whitehead Institute created a 3D map of the human genome's DNA loops that regulate gene expression in human embryonic stem cells and adult cells. This new understanding will help scientists predict relationships between mutated elements and their target genes, leading to improved disease development insights.
Researchers have revealed the architecture of a protein complex called CCAN, which plays a foundational role in chromosome segregation during cell division. The study found that each subcomplex needs to touch many others to be functional, forming a mesh structure crucial for kinetochore assembly and stability.
Scientists have identified a set of genes in the human genome essential for cellular survival and proliferation using CRISPR genome editing. The findings may lead to the discovery of new cancer drug targets and a better understanding of disease resistance.
Researchers identify Sestrin2 as a highly specific leucine sensor that activates the mTORC1 pathway upon binding, promoting cell growth. The discovery suggests potential therapeutic applications for treating diseases such as aging, muscle atrophy, and insulin-related disorders.
A new methodology allows for the tracking of DNA methylation patterns in individual cells over time, providing insights into gene expression and cell identity. This breakthrough could aid in cancer treatment and other diseases by identifying specific genes to activate or silence.
Researchers discovered that cell programs controlling normal mammary gland stem cells differ from those regulating cancer stem cells, which arise in a distinct layer of tissue. This finding could lead to new cancer treatments by targeting the specific differences between normal and cancer cells.
A team of researchers has identified a new role for the RAB35 protein in cancer development, finding that it stimulates key growth-control pathways and can transform normal cells into cancerous ones. The study suggests that dysregulated membrane trafficking may play an important role in oncogenesis.
Researchers discover that altering protein recycling complexes in human cells enables cancer cells to resist treatment with proteasome inhibitors, a class of drugs used to kill cancer cells. The discovery highlights the potential for targeting this resistant state to develop new cancer treatments.
Researchers identified a nanobody that stabilizes an enzyme essential for parasite invasion and reproduction. The discovery reveals a previously unappreciated feature of the enzyme's activation, making it a potential target for prevention and treatment of diseases like malaria.
Researchers discovered that double-strand breaks occur at replication fork stalling sites due to collision. The study found that non-homologous end-joining is the primary repair method used in this context, despite its potential for errors.
Researchers have identified a cell receptor that, when stimulated by a cholesterol-lowering drug, increases red blood cell production in patients with treatment-resistant anemias like DBA. The combination of low amounts of glucocorticoids and the repurposed anti-cholesterol drug shows promising results in clinical trials.
A novel approach harnessing positron emission tomography (PET) imaging identifies areas of immune cell activity associated with inflammation or tumor development. This method offers a potential breakthrough in diagnostics and monitoring efficacy of cancer therapies.
Researchers have developed a CRISPR-Cas system to edit the genome of Candida albicans, a pathogen resistant to antifungal drugs. This system enables efficient targeting of essential genes, offering new hope for developing therapies against deadly fungal infections.
Scientists discovered that stem cells distinguish between old and young mitochondria, allocating them disproportionately to daughter cells. This mechanism prevents damage accumulation in the lineage over time.
Researchers identify SLC38A9 as a protein that senses amino acid arginine, activating mTORC1 signaling even in the absence of nutrients. This discovery sheds light on the mechanistic target of rapamycin complex 1 (mTORC1) pathway and its role in regulating cellular growth.
Researchers found that HSP90 inhibition increases the ability of anti-estrogen agents to block cell cycle progression, thereby thwarting replication of tumor cells. The study provides a strong rationale for combining HSP90 inhibitors with hormonal therapy in ER+ breast cancer treatment.
Researchers successfully generate neural stem cells that can self-renew and differentiate into neurons, opening the door to transplantation therapies. The breakthrough allows cells to divide repeatedly without ongoing expression of reprogramming factors, making them suitable for therapeutic use.
The mouse Y chromosome is a surprisingly large and complex biological entity, with two categories of genes: ancestral and acquired. The mouse Y retains only 9 of its 639 ancestral genes, but has acquired and amplified over 700 new genes through intrachromosomal recombination and sex-linked meiotic drive.
A Whitehead Institute team found that protein SUUR acts to control gene copy number by moving along with the engine of the train, acting like a brakeman to stall or derail it. This finding sheds light on fragile genomic regions associated with chromosomal abnormalities and raises questions about its function and regulation.
Researchers discovered that DNA scaffolding plays a crucial role in controlling gene expression by forming topologically associated domains. These domains contain super enhancer regions that enhance or repress gene activity.
Researchers at Whitehead Institute have discovered a trio of poorly understood growth regulators called the Sestrins that play a crucial role in regulating mTORC1 signaling. The study found that the Sestrins work cooperatively to inhibit mTORC1 signaling by interacting with GATOR2, suggesting new potential targets for drug development.
Researchers found pseudouridylation of mRNA in yeast and humans, increasing mRNA stability under heat shock conditions. This discovery has significant implications for understanding human diseases associated with PUS gene mutations.
Researchers have developed a new reprogramming factor cocktail that produces high-quality induced pluripotent stem cells with fewer genetic abnormalities. The SNEL combination outperforms existing methods, such as OSKM, in terms of cell quality and efficiency.
Researchers found that HSF1 activates a transcriptional program in both cancer cells and stromal cells, fueling malignant processes. HSF1 activation is associated with poor patient outcomes in breast and lung cancers, making it a potential biomarker for predicting tumor progression.
A new open-source pipetting system, iPipet, uses an iPad to guide complex pipetting protocols, sharing expertise across research communities. The system has shown promising results in accuracy and efficiency compared to liquid-handling robots.
Whitehead Institute researchers have discovered a way to manipulate and maintain human ESCs in a "naïve" or base pluripotent state without reprogramming factors. This breakthrough has the potential to revolutionize human ESC research and may lead to new treatments for diseases.
Scientists have identified a crucial region and pathway involved in the formation of the front-most portion of developing vertebrate embryos. The extreme anterior domain (EAD) orchestrates proper facial structure through signals that also affect adjacent regions, leading to significant defects when disrupted.
The study reveals that two kinases, Plk1 and CDK, work together to ensure precise CENP-A replenishment at centromeres. Incorrect timing of this process can lead to chromosome segregation failure, resulting in cell death or disease.
Whitehead Institute scientists have genetically modified red blood cells to carry valuable payloads, including drugs, vaccines, and imaging agents. The approach uses sortagging, a protein-labeling technique that establishes strong chemical bonds between surface proteins and therapeutic substances.
Researchers at Whitehead Institute have identified a critical weakness in metastatic cancer cells, which are resistant to current anticancer drugs. The compound targets the endoplasmic reticulum of these cells, causing them to die.
Researchers investigate gene expression during Drosophila development, finding thousands of mRNAs translated differently and a protein kinase complex regulating translational changes. The study provides insights into the oocyte-to-embryo transition and its role in embryogenesis.
A study by Whitehead Institute researchers has identified a potential treatment for Niemann-Pick disease, a rare genetic disorder. The researchers found that combining low doses of cyclodextrin with the drug carbamazepine can lower cholesterol levels and restore autophagy defects in cells affected by the disease.
Researchers found that duplication of the OTX2 gene is associated with hemifacial microsomia, a common facial disorder. The study used genomic analysis to identify the genetic cause of the condition in a large family affected by HFM.
Researchers have successfully cultured and studied the three-banded panther worm, a new model organism for understanding regeneration. The worm's ability to regenerate any body part has been linked to Wnt and Bmp signaling pathways, offering potential clues for human regenerative therapies.
The study found that genes on the Y chromosome are widely expressed across the body and contribute to differences in disease susceptibility between men and women. These genes are crucial for survival and have been selected over time, suggesting a new era in Y chromosome biology.
Researchers have found a potential target for treating mitochondrial disorders, a condition that affects cellular energy production. The study suggests that blocking the gene ATPIF1 may be therapeutic in rescuing cells from mitochondrial dysfunction.
Researchers have identified a key pathway that helps cancer cells survive in low-glucose environments, and found that certain diabetes drugs can inhibit this pathway to kill cancer cells. The study provides new insights into how anti-cancer properties of diabetes drugs like metformin may work.
A yeast model of Alzheimer's disease has identified a drug candidate, clioquinol, that reduces amyloid-β levels by 90% and restores cellular protein-trafficking. The mechanism of action involves chelating copper, which makes Aβ more toxic.
A study by Whitehead Institute researchers found that poly(A)-tail length does not impact translation efficiency in cells matured beyond gastrulation stage. This discovery may challenge existing mechanisms of gene regulation involving the poly(A) tail.
Researchers found that environmental change activates the heat shock protein HSP90, silencing genetic variation and allowing for rapid adaptation in cavefish. This discovery validates the role of HSP90 in driving evolutionary change in vertebrates, enabling the emergence of novel traits.
Whitehead Institute scientists report that the FLCN protein acts as a trigger to activate the mTORC1 pathway, which regulates cell growth in response to nutrient levels. This unexpected finding may provide insight into how cancer cells distort normal cellular functions to maintain their own harmful ways.
Researchers have identified a novel Parkinson's disease drug target and a compound capable of repairing neurons derived from human stem cells. Using a discovery platform combining yeast cells with human stem cells, scientists found that the compound reversed alpha-synuclein toxicity in yeast cells and partially rescued neurons in anima...
Researchers at Whitehead Institute discovered that the flu virus infects host cells by killing off immune system's best-equipped cells that can neutralize the virus. This allows the virus to replicate efficiently before the immune system mounts a second wave of defense.