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Tuesday, April 8, 2025

Discovery of mitochondrial protein opens path to therapeutic advances for heart and Alzheimer's disease

Calcium transport into and out of mitochondria -- the powerhouses of cells -- is central to cellular energy production and cell death. To maintain the balance of calcium within these powerhouses, cells rely on a protein known as the mitochondrial sodium-calcium exchanger, or NCLX. Now, in new research, scientists have discovered a novel regulator of NCLX activity, a protein called TMEM65, which helps move calcium out of mitochondria, protecting against harmful calcium overload.

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Estrogen and progesterone stimulate the body to make opioids

Female hormones can suppress pain by making immune cells near the spinal cord produce opioids, a new study has found. This stops pain signals before they get to the brain. The discovery could help with developing new treatments for chronic pain. It may also explain why some painkillers work better for women than men and why postmenopausal women experience more pain.

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Wednesday, April 2, 2025

Rates of breast and colorectal cancer screening nearly four-fold higher than lung cancer screening among those eligible

Lung cancer screening has the potential to catch lung cancer early and save lives -- but only if people get screened. Although lung cancer screening is recommended in the U.S. for certain individuals with a history of smoking, only 18% of eligible individuals in the U.S. get screened. One suggested explanation has been that those eligible are resistant to receiving preventive healthcare, but a new study indicates otherwise.

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Tuesday, April 1, 2025

Omega-6 fatty acid promotes the growth of an aggressive type of breast cancer, study finds

Linoleic acid, an omega-6 fatty acid found in seed oils such as soybean and safflower oil, and animal products including pork and eggs, specifically enhances the growth of the hard-to-treat 'triple negative' breast cancer subtype, according to a preclinical study. The discovery could lead to new dietary and pharmaceutical strategies against breast and other cancers.

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Omega-6 fatty acid promotes the growth of an aggressive type of breast cancer, study finds

Linoleic acid, an omega-6 fatty acid found in seed oils such as soybean and safflower oil, and animal products including pork and eggs, specifically enhances the growth of the hard-to-treat 'triple negative' breast cancer subtype, according to a preclinical study. The discovery could lead to new dietary and pharmaceutical strategies against breast and other cancers.

from Women's Health News -- ScienceDaily https://ift.tt/v0aCfAw

Friday, March 21, 2025

How a Y chromosome gene may shape the course of heart valve disease

Researchers have shed new light on how a type of heart valve disease -- aortic valve stenosis -- progresses differently in males and females.

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AI-powered mammograms: A new window into heart health

Mammograms, with the help of artificial intelligence (AI) models, may reveal much more than cancer, according to a new study. The findings highlight how these important cancer screening tools can also be used to assess the amount of calcium buildup in the arteries within breast tissue -- an indicator of cardiovascular health.

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Wednesday, March 19, 2025

Vaccine may improve breast cancer treatment outcomes

Researchers have discovered a promising new vaccine strategy for treating a specific type of breast cancer. The innovative approach targets human epidermal growth factor receptor 2-positive, estrogen receptor-negative (HER2-positive, ER-negative) breast cancer and has shown encouraging results in a recent pilot study. The study combined the HER2-targeting dendritic cell vaccines with standard chemotherapy, demonstrating both safety and positive response rates.

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Vaccine may improve breast cancer treatment outcomes

Researchers have discovered a promising new vaccine strategy for treating a specific type of breast cancer. The innovative approach targets human epidermal growth factor receptor 2-positive, estrogen receptor-negative (HER2-positive, ER-negative) breast cancer and has shown encouraging results in a recent pilot study. The study combined the HER2-targeting dendritic cell vaccines with standard chemotherapy, demonstrating both safety and positive response rates.

from Women's Health News -- ScienceDaily https://ift.tt/E1SqgKG

Monday, March 17, 2025

Slow, silent 'scream' of epithelial cells detected for first time

It has long been thought that only nerve and heart cells use electric impulses to communicate, while epithelial cells -- which compose the linings of our skin, organs and body cavities -- are mute, serving mostly as protective barriers that can absorb and secrete various substances. But researchers have now upended the status quo by showing that epithelial cells do indeed 'talk' to each other, albeit with slow electrical signals.

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Sunday, March 16, 2025

Oxytocin system of breastfeeding affected in mothers with postnatal depression

The oxytocin system -- which helps release breast milk and strengthens the bond between mother and baby -- may be affected during breastfeeding in mothers experiencing postnatal depression.

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Saturday, March 15, 2025

New antibody reduces tumor growth in treatment-resistant breast and ovarian cancers

A new type of antibody which stimulates the immune system to target cancer cells slows tumour growth, according to new research.

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Tuesday, March 11, 2025

Nwd1 gene deletion triggers MASH-like pathology in mice

Metabolic dysfunction-associated steatohepatitis (MASH) is a polygenic disorder influenced by multiple genes, but their specific roles in the progression of disease remain unknown. To address this gap, researchers conducted a series of experiments that identified the NACHT and WD repeat domain-containing protein 1 (Nwd1) gene and its role in liver pathogenesis. This breakthrough represents an important step toward establishing new therapeutic targets for MASH.

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Exercise and healthy eating behavior together provide the best protection against cardiovascular diseases

Researchers have found that women who exhibit disturbed eating behaviors and engage in low physical activity tend to have more central body fat and a higher risk of metabolic low-grade inflammation. This condition increases the risk of cardiovascular diseases, which become more prevalent after menopause. However, the combined effect of exercise and healthy eating behavior offers the most effective protection against inflammation and may also reduce it after menopause.

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Diabetes drug could help cancer patients make better recovery

Research shows that a common type of diabetes medication could help cancer patients make a better long-term recovery. Many cancer patients go on to develop heart failure -- because of the cancer itself and also due to chemotherapy. But a study shows that a type of diabetes drug, called an SGLT2 inhibitor, may help protect the heart during and after cancer treatment. The medication has been shown to be beneficial in reducing heart failure or heart failure hospitalisation in cancer patients and survivors.

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Saturday, March 8, 2025

Links between metabolism and aggressive breast cancer

More than 120 million Americans suffer from diabetes or pre-diabetes. Triple-negative breast cancer (TNBC) is the most aggressive form of breast cancer, and TNBC patients with obesity-driven diabetes often have worse outcomes. A new study helps explain why this happens and suggests a potential way to improve treatment for these patients.

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Breakthrough cardiac regeneration research offers hope for the treatment of ischemic heart failure

The discovery of a novel approach to promote cardiomyocyte proliferation offers new hope for the treatment of ischemic heart failure.

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Breakthrough cardiac regeneration research offers hope for the treatment of ischemic heart failure

The discovery of a novel approach to promote cardiomyocyte proliferation offers new hope for the treatment of ischemic heart failure.

from Women's Health News -- ScienceDaily https://ift.tt/6qTFDl7

Friday, March 7, 2025

Scientists upends scientific understanding of how anticancer drugs kill cancer

BRCA1 and BRCA2 genes play a crucial role in repairing damaged DNA. Mutations in BRCA1 and BRCA2 substantially increase the likelihood of breast and ovarian cancer, respectively. This new research illustrates how small breaks in one strand of DNA can expand into a large single-stranded DNA gap that kills drug-resistant breast BRCA mutant cancer cells. The novel vulnerability in mutant BRCA1 and BRCA2 may be a potential target for new therapeutics.

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Future drugs may snap supply chain fueling breast cancer

Cancer cells have an insatiable appetite for energy as they multiply more rapidly than normal cells. Greedy cancer cells hijack various cellular functions to find and exploit energy and other resources, including a group of enzymes that help normal cells maintain a balance of energy. These enzymes, called creatine kinases (CK), allow cells to transport energy produced at the mitochondria to where it is needed throughout the cell. Studies of breast cancer cells have highlighted the importance of a type of CK called ubiquitous mitochondrial creatine kinase (uMtCK).

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Tuesday, March 4, 2025

Study establishes 'ball and chain' mechanism inactivates key mammalian ion channel

A new study has unveiled a precise picture of how an ion channel found in most mammalian cells regulates its own function with a 'ball-and-chain' channel-plugging mechanism. The findings boost the understanding of ion channel biology and could lead to new drugs that target these channels to treat disorders such as epilepsy and hypertension.

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Sunday, March 2, 2025

Researchers unravel menopause timing, shedding light on ovarian aging and fertility

The research team has developed a theoretical framework that quantitatively predicts menopause timing. By analyzing how ovarian follicles transition through different stages, the researchers' model explains why menopause occurs and sheds light on individual variability and cross-population differences. These insights could improve fertility planning, inform health care decisions related to hormonal therapies and enhance our understanding of age-related health risks associated with ovarian aging.

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Thursday, February 20, 2025

Researchers develop novel computational approach for identifying synergistic drug combinations

Researchers have developed a powerful computational tool, named iDOMO, to improve the prediction of drug synergy and accelerate the development of combination therapies for complex diseases. The study highlights iDOMO's ability to identify synergistic drug combinations using gene expression data, outperforming existing methods.

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Wednesday, February 19, 2025

Data from all 50 states shows early onset breast cancer is on the rise in younger women: Does place of exposure matter?

Breast cancer incidence trends in U.S. women under 40 vary by geography and supports incorporating location information with established risk factors into risk prediction, improving the ability to identify groups of younger women at higher risk for early-onset breast cancer.

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Data from all 50 states shows early onset breast cancer is on the rise in younger women: Does place of exposure matter?

Breast cancer incidence trends in U.S. women under 40 vary by geography and supports incorporating location information with established risk factors into risk prediction, improving the ability to identify groups of younger women at higher risk for early-onset breast cancer.

from Women's Health News -- ScienceDaily https://ift.tt/7MER0io

Nerves electrify stomach cancer, sparking growth and spread

Researchers have found that a cancer outside the brain makes electrical connections with the nervous system to fuel cancer growth and aid its spread.

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Speculum exams unnecessary for HPV screening

Researchers have demonstrated that self-sampling is just as effective as speculum-based testing for HPV detection.

from Women's Health News -- ScienceDaily https://ift.tt/uVnFPf3

Monday, February 17, 2025

Sweet taste receptors in the heart: A new pathway for cardiac regulation

In a surprising discovery, scientists have found that the heart possesses 'sweet taste' receptors, similar to those on our tongues, and that stimulating these receptors with sweet substances can modulate the heartbeat. This research opens new avenues for understanding heart function and potentially for developing novel treatments for heart failure.

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Landmark atlas reveals how aging breast tissue shapes breast cancer risk

Aging is a privilege, but it also brings risks -- including an increased likelihood of developing age-related diseases including cancer. Researchers have now created a landmark atlas of how healthy breast tissue ages, revealing key cellular, molecular, and genetic changes that may tip the balance toward breast cancer development.

from Women's Health News -- ScienceDaily https://ift.tt/Gk7l02f

Landmark atlas reveals how aging breast tissue shapes breast cancer risk

Aging is a privilege, but it also brings risks -- including an increased likelihood of developing age-related diseases including cancer. Researchers have now created a landmark atlas of how healthy breast tissue ages, revealing key cellular, molecular, and genetic changes that may tip the balance toward breast cancer development.

from Breast Cancer News -- ScienceDaily https://ift.tt/Gk7l02f

Disordered eating and certain foods linked to higher risk for urinary incontinence in middle-aged women

Eating behavior is associated with symptoms of pelvic floor disorders in middle-aged women. For example, higher consumption of highly processed ready-made foods and fast food increased the risk for experiencing symptoms of stress and urgency urinary incontinence. Higher consumption of fruits and an overall higher quality diet decreased the risk for stress urinary incontinence.

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Friday, February 14, 2025

Innovative dual-target drug may lead to new investigational approach for breast cancer patients

Researchers discover new insights into how dual-target drug may supercharge cancer-fighting immune cells.

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Ovarian cancer discovery could turn failed treatment into lifesaver

Gut bacteria are to blame for the failure of immune checkpoint therapy for ovarian cancer, new research reveals.

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Tuesday, February 11, 2025

Disruption of a single amino acid in a cellular protein makes breast cancer cells behave like stem cells

Changes to the intermediate filament (IF) protein, vimentin, were found to promote tumor growth by increasing cancer stemness in an oestrogen independent manner. Targeting vimentin and/or the long noncoding RNA (lncRNA) 'XIST' could be an effective therapeutic strategy for treating aggressive breast cancer.

from Breast Cancer News -- ScienceDaily https://ift.tt/d9T0aZA

Breast cancers broadly defined by their genome architecture

Breast cancers at all stages are defined by the structure of their genomes, researchers find. Targeting these processes early is likely to offer unexpected therapeutic avenues.

from Women's Health News -- ScienceDaily visit

Breast cancers broadly defined by their genome architecture

Breast cancers at all stages are defined by the structure of their genomes, researchers find. Targeting these processes early is likely to offer unexpected therapeutic avenues.

from Breast Cancer News -- ScienceDaily https://ift.tt/U4wnRoy

Monday, February 10, 2025

Drug may counteract muscle loss and osteoporosis after rapid weight loss

Rapid weight loss affects muscle mass and can increase the risk of osteoporosis. But now there is good news for people taking weight loss medication who may be at risk. A new study indicates that the drug bimagrumab can counteract the side effects.

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Sunday, February 9, 2025

From muscle to memory: New research uses clues from the body to understand signaling in the brain

New research shows that a network of subcellular structures similar to those responsible for propagating molecular signals that make muscles contract are also responsible for transmitting signals in the brain that may facilitate learning and memory.

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Thursday, February 6, 2025

Fear of breast cancer recurrence: Impact and coping with being in a dark place

A new study of breast cancer survivors has found this psychosocial challenge impacts almost every important domain of their lives -- the emotional, behavioral, cognitive, relational and professional. A larger number of domains was affected, and they were affected more frequently in those with greater fear of recurrence. The majority of study participants indicated that they sought senses of purpose, belonging, control and connection with others.

from Breast Cancer News -- ScienceDaily https://ift.tt/cl4VxNq

Wednesday, February 5, 2025

Later-onset menopause linked to healthier blood vessels, lower heart disease risk

New research shows that women who hit menopause later in life have healthier blood vessels and mitochondria and a different composition of metabolites in their blood than those who stop menstruating earlier. The study helps explain why late-onset menopause is linked to lower risk of heart attacks and strokes.

from Women's Health News -- ScienceDaily https://ift.tt/FV3RpNy

Communication between body muscle and the brain influences fertility

A newly discovered line of communication between body muscle and the pituitary gland may play an unexpected role in female fertility, according to a new study. Researchers found that a protein produced in the muscles helps manage the release of a hormone made in the pea-sized gland attached to the base of the brain.

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Tuesday, February 4, 2025

How hungry fat cells could someday starve cancer to death

Liposuction and plastic surgery aren't often mentioned in the same breath as cancer. But they are the inspiration for a new approach to treating cancer that uses engineered fat cells to deprive tumors of nutrition. Researchers at UC San Francisco used the gene editing technology CRISPR to turn ordinary white fat cells into 'beige' fat cells, which voraciously consume calories to make heat.

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Monday, February 3, 2025

Inhibitor drugs to treat aggressive breast cancer identified

A national study seeking more effective treatment for deadly metaplastic breast cancer has identified two inhibitor drugs with the potential to interrupt disease progression.

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Friday, January 31, 2025

Removing fallopian tubes during other abdominal surgeries may lower ovarian cancer risk

A mathematical modeling study suggests that ovarian cancer incidence could be reduced and healthcare savings boosted if women who have already completed their families were offered fallopian tube removal during any other suitable abdominal surgeries.

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Study shows potential of resveratrol to aid fertility

A new study has highlighted the potential of resveratrol, a natural compound found in grapes, blueberries, and raspberries, to enhance female fertility. The systematic review found that resveratrol can improve the quantity and quality of egg cells, offering hope for new, less invasive fertility treatments.

from Women's Health News -- ScienceDaily https://ift.tt/YkU24pP

Wednesday, January 29, 2025

An injectable hydrogel for local bone densification

Researchers have combined injections of a novel hydrogel with systemic osteoporosis drugs in rats, achieving rapid local increases in bone density. The results offer hope for future fracture prevention therapies in osteoporosis patients.

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Routine brain MRI screening in asymptomatic late stage breast cancer patients

A new study shows that asymptomatic brain metastasis is more common in stage 4 breast cancer patients than previously believed. The study suggests that doctors may need to rethink current screening guidelines for detecting brain metastasis in patients without symptoms.

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Inherited gene elevates prostate cancer risk in affected families

The inherited mutated gene WNT9B, which functions normally in embryonic prostate development, increases risk of adult prostate cancer, according to a new study.

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Friday, January 24, 2025

Dissolving clusters of cancer cells to prevent metastases

Successful test in breast cancer patients: the active agent digoxin, a cardiac medication, dissolves clusters of circulating breast cancer cells in the blood, thus reducing the risk of metastases formation.

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Dissolving clusters of cancer cells to prevent metastases

Successful test in breast cancer patients: the active agent digoxin, a cardiac medication, dissolves clusters of circulating breast cancer cells in the blood, thus reducing the risk of metastases formation.

from Women's Health News -- ScienceDaily https://ift.tt/oz36fCY

Thursday, January 23, 2025

New combination immunotherapy for melanoma and breast cancer

A research team has investigated a new combination therapy against cancer. This therapy employs systemic administration of the tissue hormone interferon-I combined with local application of Imiquimod. This combination showed promising results in topically accessible tumors like melanoma and breast cancer models: The therapy led to the death of tumor cells at the treated sites and simultaneously activated the adaptive immune system to fight even distant metastases. The results could improve the treatment of superficial tumors such as melanoma and breast cancer.

from Women's Health News -- ScienceDaily https://ift.tt/Gj2AF3k

New combination immunotherapy for melanoma and breast cancer

A research team has investigated a new combination therapy against cancer. This therapy employs systemic administration of the tissue hormone interferon-I combined with local application of Imiquimod. This combination showed promising results in topically accessible tumors like melanoma and breast cancer models: The therapy led to the death of tumor cells at the treated sites and simultaneously activated the adaptive immune system to fight even distant metastases. The results could improve the treatment of superficial tumors such as melanoma and breast cancer.

from Breast Cancer News -- ScienceDaily https://ift.tt/Gj2AF3k

Drug candidate eliminates breast cancer tumors in mice in a single dose

Despite significant therapeutic advances, breast cancer remains a leading cause of cancer-related death in women. Treatment typically involves surgery and follow-up hormone therapy, but late effects of these treatments include osteoporosis, sexual dysfunction and blood clots. Now, researchers have created a novel treatment that eliminated small breast tumors and significantly shrank large tumors in mice in a single dose, without problematic side effects.

from Breast Cancer News -- ScienceDaily https://ift.tt/mt98gEp

Drug candidate eliminates breast cancer tumors in mice in a single dose

Despite significant therapeutic advances, breast cancer remains a leading cause of cancer-related death in women. Treatment typically involves surgery and follow-up hormone therapy, but late effects of these treatments include osteoporosis, sexual dysfunction and blood clots. Now, researchers have created a novel treatment that eliminated small breast tumors and significantly shrank large tumors in mice in a single dose, without problematic side effects.

from Women's Health News -- ScienceDaily https://ift.tt/mt98gEp

Tuesday, January 21, 2025

Telephone therapy reduces fatigue interference with activities, mood and cognition for metastatic breast cancer survivors

A clinical trial demonstrates the effectiveness of telephone-delivered acceptance and commitment therapy (ACT) in reducing fatigue's interference with functioning and improving the quality of life for survivors of metastatic breast cancer. The ACT intervention helped study participants to fall asleep with greater ease. Fatigue remains a significant challenge for these survivors, affecting up to 63 percent of patients and severely impacting daily functioning.

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Saturday, January 18, 2025

Rotavirus protein NSP4 manipulates gastrointestinal disease severity

Researchers have improved our understanding of how rotavirus, the most common cause of acute gastroenteritis in children, makes people sick. The study is among the first to show that the rotavirus protein NSP4 is both necessary and sufficient for multiple aspects of rotavirus infection by disrupting calcium signaling not only within infected cells but also in nearby uninfected cells. These disruptions in calcium signaling affect rotavirus disease severity, providing new insights into how NSP4's function influences rotavirus virulence. The findings suggest that manipulating NSP4 could lead to new strategies to prevent or treat rotavirus infections.

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Friday, January 17, 2025

Drug in clinical trials for breast cancer could also treat some blood cancers

Two new studies have identified a possible way to block the progression of several forms of blood cancer using a drug already in clinical trials against breast cancer.

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Cancer mortality continues to drop despite rising incidence in women

The American Cancer Society (ACS) today released Cancer Statistics, 2025, the organization's annual report on cancer facts and trends. The new findings show the cancer mortality rate declined by 34% from 1991 to 2022 in the United States, averting approximately 4.5 million deaths. However, this steady progress is jeopardized by increasing incidence for many cancer types, especially among women and younger adults, shifting the burden of disease. For example, incidence rates in women 50-64 years of age have surpassed those in men, and rates in women under 50 are now 82% higher than their male counterparts, up from 51% in 2002.

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Wednesday, January 8, 2025

Researchers resolve uncertainty in BRCA2 testing, improving cancer risk assessment and patient care

Findings from a multi-institutional, international study have significantly advanced the understanding of genetic alterations in the BRCA2 gene, a key player in hereditary cancer risk.

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Monday, January 6, 2025

Researchers boost chemotherapy uptake in breast cancer treatment with localized magnetic fields

Researchers have developed a non-invasive method to improve the effectiveness of chemotherapy while reducing its harmful side effects. By applying brief, localized pulses of magnetic fields, the team demonstrated a significant increase in the uptake of doxorubicin (DOX), a widely used chemotherapy drug, into breast cancer cells, with minimal impact on healthy tissues.

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Researchers boost chemotherapy uptake in breast cancer treatment with localized magnetic fields

Researchers have developed a non-invasive method to improve the effectiveness of chemotherapy while reducing its harmful side effects. By applying brief, localized pulses of magnetic fields, the team demonstrated a significant increase in the uptake of doxorubicin (DOX), a widely used chemotherapy drug, into breast cancer cells, with minimal impact on healthy tissues.

from Women's Health News -- ScienceDaily https://ift.tt/nla37qw

Saturday, January 4, 2025

Approaches against metastatic breast cancer: mini-tumors from circulating cancer cells

Tumor cells circulating in the blood are the 'germ cells' of breast cancer metastases. They are very rare and could not be propagated in the culture dish until now, which made research into therapy resistance difficult. A team has now succeeded for the first time in cultivating stable tumor organoids directly from blood samples of breast cancer patients. Using these mini-tumors, the researchers were able to decipher a molecular signaling pathway that ensures the cancer cells' survival and resistance to therapy. With this knowledge, the team was able to develop an approach to specifically eliminate these tumor cells in lab experiments.

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Friday, January 3, 2025

Patients with heart disease may be at increased risk for advanced breast cancer

Patients diagnosed with late-stage or metastatic breast cancer have a statistically significant increased risk of pre-diagnosis cardiovascular disease (CVD) compared to those with early-stage cancer at diagnosis.

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Patients with heart disease may be at increased risk for advanced breast cancer

Patients diagnosed with late-stage or metastatic breast cancer have a statistically significant increased risk of pre-diagnosis cardiovascular disease (CVD) compared to those with early-stage cancer at diagnosis.

from Women's Health News -- ScienceDaily https://ift.tt/5O8fIXk

Wednesday, January 1, 2025

Achieving bone regeneration and adhesion with harmless visible light

A team develops an innovative injectable hydrogel for bone regeneration, addressing the limitations of traditional bone grafts and adhesion methods.

from Women's Health News -- ScienceDaily https://ift.tt/u0biAyq