Articles tagged with Breast Cancer Cells
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Researchers found that nearly all tumor cells in the bone marrow of early-stage breast cancer patients have a putative breast cancer stem cell phenotype, increasing the risk of disease progression. This study provides evidence that these stem cells may be responsible for metastases and has significant implications for cancer treatment.
Researchers at the University of Texas M.D. Anderson Cancer Center have identified a new molecular pathway that helps breast cancer cells survive. The pathway involves estrogen, BCA3 protein, and SIRT1, and has potential as a target for chemotherapy enhancement.
A team of Monash University scientists has identified two proteins, Smad3 and c-Myc, involved in stopping telomerase production. This discovery could lead to the development of anti-cancer agents that mimic these proteins.
Researchers at the University of Texas Medical Branch at Galveston discovered that curcumin blocks the activity of gastrointestinal hormone neurotensin, implicated in colorectal cancer development. Curcumin reduces IL-8 production, accelerating tumor growth and metastasis.
Researchers discovered that estrogen receptor alpha (ERalpha) binds to a novel enhancer in the cyclin D1 gene (CCND1), promoting estrogen-responsive cell proliferation. This basic understanding may lead to the development of improved therapies for patients with breast cancer.
Researchers at Thomas Jefferson University have found that cyclin D1 inhibits the size and activity of mitochondria in cancer cells, shifting their metabolism from energy production to proliferation. This discovery may lead to new treatments targeting cancer cell metabolism.
Researchers found that modified versions of bisphenol A stimulate breast tumor cell growth and are absorbed by breast cancer cells. The study suggests human enzymes convert BPA into a more toxic form, increasing the risk of breast cancer. Further research is needed to confirm these findings.
Recent studies suggest that protein S14 plays a critical role in driving fat metabolism in breast cancer cells, making it a promising new target for cancer treatment. The protein is required for the activation of genes involved in fat production, and its removal can lead to cancer cell death.
A University of Florida study reveals that cigarette smoke can turn normal breast cells cancerous by blocking their ability to repair themselves. Cells with damaged DNA may accumulate mutations and lead to tumor formation if they survive long enough to divide.
Researchers discovered that Herceptin is effective in treating breast cancer tumors with low or undetectable HER-2 levels but high HRG expression. Continuous production of HRG activates the HER-2 receptor, promoting tumor growth and proliferation.
The study found that YAP amplification transforms mammary epithelial cells, opening a novel cell growth controlling pathway. The research links the YAP gene to breast and other kinds of cancers, highlighting its potential as a cancer-causing gene.
DNA damage in stroma tissue may predict breast cancer risk, according to a recent study. The researchers found that specific DNA lesions were more common in women aged 33-46, which corresponds with the rise in breast cancer incidence during this age group.
A single gene, BRIT1, plays a pivotal role in launching two DNA damage detection and repair pathways, suggesting its function as a previously unidentified tumor suppressor gene. The gene is under-expressed in human ovarian, breast, and prostate cancer cell lines, and its disruption leads to genomic instability.
Research reveals that nicotine stimulates cell proliferation in lung cancer cells by activating the Rb–Raf-1 pathway, which is dependent on functional nicotinic acetylcholine receptors. Additionally, targeting tumor-associated macrophages holds promise as a novel strategy against breast and other cancers.
Researchers discovered that breast stem cells lack receptors for female hormones oestrogen and progesterone, resembling the aggressive 'basal' subtype of breast cancer. The findings support speculation that breast stem cells may give rise to basal tumours, which are more common in BRCA1 carriers.
A study has identified a new role for the breast cancer susceptibility gene BRCA1 in regulating intercellular signaling and tumor suppression. Researchers found that BRCA1 promotes survival of neighboring blood vessel cells and formation of capillary-like structures, contributing to accelerated tumor growth.
Researchers developed a gene screening method that can detect breast cancer with high accuracy, spotting 15 out of 21 samples positive for cancer. The test uses methylation-specific PCR to identify abnormal levels of chemical tags in DNA, which can be missed by pathologists' naked eye.
Researchers found that pancreatic tumors surround themselves with regulatory T cells to avoid detection by the immune system. Depleting these cells slowed tumor growth and increased survival time in mice. The study suggests a potential way to block tumor recruitment of regulatory T cells and revive cancer immunotherapy.
Researchers at The Hebrew University of Jerusalem isolated malignant tumor cells from their nutritional and oxygen supplies, inhibiting growth and stopping metastases. Actibind, a protein found in black mold, was shown to bind actin in human and animal cells, halting cell growth and reducing the ability of cancer cells to form new tumors.
A study by USC researchers identified a protein called EphB4 that protects tumor cells from the immune system. Turning off this protein could make cancer cells more vulnerable to attack, and future therapies may aim to block its function.
Researchers found that AMP production is triggered by sterile wounding of the skin surface, independent of microbial exposure. The study also showed that activation of EGFR leads to increased antibacterial activity against Staphylococcus aureus and prevents microbial growth in human skin.
Combination therapy with a monoclonal antibody (CLTA4 blockade) and a vaccine (Gvax) leads to increased infiltration of CD8+ T effector cells into tumors, resulting in tumor rejection. Chronic exposure to this therapy does not deplete regulatory T cells, preserving their immune-modulating function.
A University of Manchester team has discovered a protein potentially involved in the spread of tumors. The researchers believe their findings could lead to new approaches to treating breast cancer by blocking the protein's actions.
CS-Keys, a new company formed by Indiana University faculty, is developing an early diagnostic tool for breast cancer using a biomarker that distinguishes healthy cells from cancerous cells. The technology has the potential to improve diagnosis and treatment outcomes, making it easier to detect cancer in its earliest stages.
Apo2L/TRAIL, a new cancer drug, has shown activity in treating advanced cancers with minimal side effects. The agent selectively induces programmed cell death in cancer cells while sparing normal cells, offering hope for targeted treatment options.
Researchers found a known Caveolin-1 gene mutation present in 19% of breast cancers fed by estrogen. They also discovered six new mutations associated with estrogen-driven breast cancers. The study suggests that Caveolin-1 mutations may play a role in the development of these cancers.
Researchers have grown three-dimensional breast cell cultures to reveal subtleties about stem cells that may explain why they spawn malignancies. The study's findings suggest that these stem cells could become targets for cancer treatment, leading to new therapies that wipe out cancer at its source.
Researchers at the University of Cincinnati have discovered a hormone receptor involved in breast cancer growth, finding that it can be slowed by a synthetic neuropeptide Y hormone. The study suggests that targeting this receptor may lead to more effective drug therapy for breast cancer patients.
Researchers found that waves in cancer cells selectively round up activated growth-promoting proteins, which can help terminate signals and prevent cancerous traits. This discovery provides new insights into the role of waves in cancer cell metastasis.
Researchers identified a sequence within the 3' UTR of Her2 mRNA that overrides inhibitory effects of 5' uORF, increasing Her2 translation in breast cancer cells. This mechanism is crucial for understanding post-transcriptional control processes and identifying new molecular targets for cancer treatment.
Researchers developed a nimesulide derivative that selectively inhibits aromatase production in breast cancer cells, reducing the risk of hormone-related side effects. This could lead to more targeted treatments for postmenopausal women with estrogen-dependent breast cancer.
Researchers at Duke University Medical Center are studying the interaction between genes and environment in promoting cancer. Environmental scientists have identified new culprits in the cancer equation, including chemicals that can damage or mutate genes, and epigenetic alterations that occur without changing a gene's fundamental code.
A new molecule, ARC, has shown promise as a potential anticancer drug that selectively kills tumor cells without harming normal cells. The compound inhibits RNA synthesis in normal cells but induces cell death in cancer cells by blocking the cell cycle, making it an attractive alternative to existing drugs that can harm healthy tissue.
Researchers have found a safer and more effective way to detect and kill cancer cells using gold nanorods. The new method allows for deeper penetrating noninvasive cancer treatment without harming healthy cells, making it a promising approach for treating breast cancer.
Researchers developed an automated technique to track and analyze protein NuMA in breast tissue, identifying a pattern between normal and malignant cells. The new imaging tool aims to determine cancer subtypes, predict tumor behavior, and guide personalized treatment.
Researchers from Georgetown University Medical Center have discovered that certain vegetables, such as broccoli and soy beans, can increase the levels of BRCA1 and BRCA2 proteins in damaged DNA. This could explain how eating vegetables cuts a person's risk of developing cancer.
Researchers developed a method to analyze molecular markers in breast cancer cells using flow cytometry, enabling rapid prognosis and treatment decision-making. This technology holds promise for various solid tumors, including colon, ovarian, prostate, and gastric cancers.
Researchers found that overexpression of Nod1 inhibits estrogen-dependent tumor growth in human breast cancer cells, leading to reduced tumor formation and growth. The study suggests a new mechanism for controlling estrogen-sensitive breast cancers and opens the door for future development of novel therapeutics.
Researchers have identified a new pathway for cancer treatment by targeting the degradation of steroid receptor coactivator 3 (SRC3) through the REG-GAMMA molecule. High levels of SRC3 can lead to tumor growth in breast cancer, but low levels of REG-GAMMA can activate its destruction, potentially halting tumor progression.
The study found that the BRCA1 gene interacts with progesterone receptors to inhibit growth, but its absence leads to increased growth in response to estrogen and progestin. This understanding could lead to new treatment options for hormone-dependent cancers and ordinary cancers resulting from under-expressed BRCA1 genes.
Researchers found alphaB-crystallin protein promotes uncontrolled growth in breast cancer cells, suggesting it as a molecular marker for aggressive breast cancer. The study identified a key pathway activated by alphaB-crystallin and found drug inhibitors block its effects, paving the way for new targeted therapies.
Researchers found that mice fed a soy-based diet had significantly worse heart problems than those on a milk protein-based diet. This is the first study to show an environmental influence can affect the heart.
Researchers have discovered that breast stem cells with genetic errors can produce tumours even after chemotherapy. The discovery could lead to the development of new treatments targeting these faulty stem cells.
Researchers found that cancer cells can signal surrounding tissue cells to alter their molecular composition, promoting tumor growth and proliferation. The study suggests that cell mutations that promote cancer progression may arise in non-cancerous cells, indicating a need for broader anti-tumor therapies.
A new study in mice found that chronic stress and UV radiation suppress the immune system, leading to increased tumor formation and quicker disease progression. Researchers observed suppression of T-cell function and type 1 cytokines, highlighting the potential for chronic stress to increase cancer risk.
A laboratory study demonstrates that breast cancer cells die when re-introduced to estrogen after becoming resistant to tamoxifen and other estrogen inhibition drugs. This finding has important clinical implications for long-term therapy with aromatase inhibitors, suggesting a new strategy for treating treatment-resistant breast cancer.
Estradiol induces apoptosis by activating the intrinsic apoptotic pathway, which controls protein expression and mitochondrial function. The study found complete tumor regression in mice with estradiol-treated breast cancer cells, suggesting a potential strategy for aromatase inhibitor resistance.
Women who started smoking before their first pregnancy have a 20% higher risk of breast cancer compared to nonsmokers. The study also found no link between smoking duration or number of cigarettes smoked per day and breast cancer risk among smokers.
Researchers found that genes OCT 4, NANOG, STELLAR, and GDF3 are elevated in seminoma and breast cancer samples. This discovery may lead to new targets for therapy or markers for diagnosis.
Jefferson and Delaware researchers create a novel method to detect breast cancer using tiny nanotubes and antibodies, which increase electrical current when cancer cells bind. The technique shows promise for detecting cancerous cells in seconds, potentially replacing days-old histology sectioning methods.
Researchers are exploring nanostructures to detect and target cancer cells, offering potential cost-effective diagnostic methods. Nanoshells can destroy tumor cells when heated with laser light, while nanoparticles combined with hormones and peptides are being tested for imaging and targeting.
Researchers found that treating cancer cells with GLA suppressed protein levels of the oncogene Her-2/neu, leading to a 30-40 fold increased response in breast cancer cells to trastuzumab. GLA's inhibition works differently from Herceptin and may regulate breast cancer cell growth and metastasis.
Researchers at Ohio State University discovered that restoring the missing or silenced WWOX gene can slow or stop lung-cancer cell growth. The study showed that reactivating the gene is highly effective in stopping human lung tumor growth in mice, suggesting a potential therapeutic approach for lung cancer treatment.
Researchers found curcumin suppresses the inflammatory response that induces metastasis, causing cell death and reversing disease progression. Curcumin breaks down chemotherapy doses, making it less toxic while maintaining efficacy, offering new hope for breast cancer treatment.
University of Delaware researchers have developed a new therapeutic agent called 'nanobombs' that use carbon nanotubes to selectively kill cancer cells. The nanobombs are created by bundling carbon nanotubes and can be triggered by light, causing microscopic explosions that target specific areas within the body.
New research confirms a century-old theory that genetic instability caused by duplicate genomes can lead to tumor formation. The study found that cells with extra chromosomes and centrosomes are more likely to become malignant, making them vulnerable to certain cancer treatments.
A study published in Tissue and Cell reveals that defects in the adult stem cell niche can lead to breast cancer development. Researchers found that each cell population plays a different role in breast cancer and that environmental factors influence the risk of becoming cancerous.
A population-based study found that long-term smoking is associated with a 30-40% increased risk of breast cancer, particularly among women who start smoking before their first full-term pregnancy. The study also suggests that combined hormone therapy increases breast-cancer risk in women who smoke long term.
Tissue stiffness influences cell growth and changes in function by modulating cell contractility, leading to the activation of key growth signaling pathways and increase in cell tension. This study highlights the importance of mechanical forces in tumor development and could lead to the development of new tumor therapies or targets.
Researchers have discovered that the IGF-1 receptor controls 50% of body size in a non-redundant way, suggesting its potential as a target for cancer treatment. Targeting the IGF-1 receptor may lead to cell death and growth regulation in cancer cells.