Articles tagged with Mammary Glands
Researchers at Cold Spring Harbor Laboratory have created a tool called MaGNet to analyze the branching structure of mouse mammary glands. The system enables precise comparison of stained images and quantifies data with ease, allowing for earlier detection of breast cancer and investigation into hormonal changes and treatments.
Research reveals omega-3 fatty acids directly regulate mammary gland lipogenesis and development through the Gαs-mediated cAMP–EPAC signaling pathway, promoting milk fat synthesis and epithelial cell migration. This discovery provides potential clinical targets for enhancing maternal lactational ability.
Researchers identified genes associated with breastfeeding disorders and postpartum breast cancer in the mammary gland, revealing potential new targets for investigation. The study provides a detailed atlas of genetic expression for the adult developmental cycle of the mammary gland.
Researchers identified distinctive immune cells in cow's milk using single-cell RNA sequencing, shedding light on mammary gland biology. The study's findings have implications for improving livestock productivity and milk quality.
A new study by Professor Nurit Argov-Argaman at the Hebrew University of Jerusalem found that small milk fat globules promote beneficial bacteria like Bacillus subtilis, while larger ones trigger biofilm formation. The research highlights milk's natural protective mechanisms and potential to support gut health.
A new five-year grant will explore the mammary gland's influence on metabolic diseases like obesity and type 2 diabetes. The research aims to identify specific hormones produced by the mammary gland, known as mammokines, which may impact obesity and diabetes in mothers and offspring.
A recent study by Iowa State University researchers found that dairy cows have rich supplies of sialic acid, a sugar molecule that acts as a receptor for influenza. This discovery sheds light on how the virus attaches to hosts and raises questions about the risks of consuming raw milk from infected cows.
Researchers found correlations between flaxseed diets and changes in the gut microbiome and mammary gland miRNA profiles. Flaxseed lignans were shown to modify the relationship between the microbiota and miRNAs to be non-cancer causing.
Researchers aim to understand factors contributing to inadequate milk supply and its effects on infants. They will collect breast milk and fecal samples, as well as questionnaires at 8 months and 1 year to identify potential interventions.
A new study reveals that RANK protein suppression affects mammary gland functionality differently depending on pregnancy experience. In female mice, RANK suppression led to successful lactation only during the second pregnancy, suggesting a 'rescue action' by basal cells.
Researchers at Mount Sinai discovered a new family of locally secreted molecules called 'mammokines' that play a crucial role in controlling mammary gland fat abundance. These findings have significant implications for breast health, lactation-related disorders, and metabolic syndromes.
A new study reveals that breast milk contains a unique set of antibodies passed from mom to baby, which can vary significantly between mothers. This variability may explain why some infants develop life-threatening diseases like NEC, while others do not.
Researchers found a protein called Rac1 that triggers milk production in breast cells when lactation stops and the breast returns to its pre-pregnancy state. This process involves cell death and autophagy, but can be reversed upon suckling, providing a fail-safe mechanism for mammalian survival.
A Canadian research team found that pregnant women and their unborn babies are sensitive to environmental contaminants like endocrine disruptors. The study highlighted the role of the placenta in regulating maternal physiology and fetal development, and linked early exposure to certain EDs with breast cancer and prostate cancer risk.
Researchers analyzed breast milk samples from 15 nursing mothers to track gene expression changes in mammary gland cells. The study identified various changes linked to factors such as hormone levels, illness, and lifestyle changes.
A new review in the Journal of Dairy Science explores the relationship between serotonin and calcium metabolism in dairy cows, highlighting its importance in maintaining calcium balance. Research shows that mammary serotonin drives hormone production that modulates mammary calcium transport.
The study used live tissue imaging to show that cell migration drives the growth of the mammary bud, while ring cells exert contractile force through the actomyosin network. This novel mechanism for invagination may be essential for developing organs.
A new study published in the Endocrine Society's journal found that low doses of propylparaben can alter pregnancy-related changes in the breast, reducing protection against breast cancer. The researchers tested mice exposed to environmentally relevant doses of propylparaben during pregnancy and breastfeeding, finding increased rates o...
Researchers found that low doses of propylparaben can alter pregnancy-related changes in the breast, potentially lessening its protective effects against breast cancer. Propylparaben was shown to disrupt mammary gland development and increase cell proliferation rates in mice exposed during pregnancy.
Researchers found that exposure to brominated flame retardants can cause premature development of the mammary glands, increasing the risk of breast cancer. The study, led by Professor Isabelle Plante, suggests that young women exposed to BFRs in utero and through breastfeeding are now at higher risk for breast cancer.
Researchers found 28 pesticides linked to mammary gland tumors, but EPA acknowledged only nine, highlighting the need for updated guidelines. The study also identified endocrine disruptors that can trigger breast cancer development.
Researchers have discovered that the protein deltaNp63 plays a vital role in supplying energy to the mammary gland during puberty, while also being implicated in aggressive forms of cancer. The findings suggest that targeting this protein could be a viable approach for treating triple-negative breast cancer without affecting normal dev...
A study published in Nucleic Acids Research reveals that transposable elements have been co-opted by hosts to provide useful functions, such as encoding part of a host protein. The research found tens of thousands of potentially co-opted TE sequences, which are more conserved across species and suggest a key role in mammalian evolution.
Researchers have discovered that dental epithelial stem cells from young mice can regenerate mammary glands and produce milk-producing cells. This breakthrough highlights the exceptional plasticity of these stem cells, which can generate not only dental tissues but also other cell populations.
Researchers at Tokyo University of Agriculture and Technology have discovered a novel amyloid protein, lipopolysaccharide binding protein (LBP), that induces amyloidosis in rats. This finding is significant as it may provide insights into the development of human amyloidosis and serve as a disease model for studying this condition.
A team of scientists has identified a key protein that triggers the activation of mammary stem cells during puberty, leading to the rapid expansion of the mammary gland. FoxP1 plays a crucial role in switching off proteins that keep mammary stem cells dormant, allowing them to divide and drive growth.
A Mediterranean diet increased Lactobacillus abundance in mammary glands of macaque monkeys, a nonhuman primate model of women's health. This finding suggests that diet directly influences microbiome populations outside the intestinal tract and may impact breast cancer risk.
Researchers at Princess Margaret Cancer Centre discovered that epigenetic proteins promote mammary gland stem cell proliferation in response to progesterone. Inhibiting these proteins with drugs could potentially prevent breast cancer development in women at high risk of the disease.
The study identifies embryonic mammary gland progenitors as multipotent cells that can give rise to both basal and luminal lineages. The researchers developed a novel strategy to isolate these cells and assessed their molecular features, revealing a hybrid transcriptional signature.
Scientists have identified a new signaling pathway essential for mammary gland development, involving the interaction between stem cells and macrophages. The discovery provides insight into breast cancer genesis and spread, potentially paving the way for early detection and targeted therapies.
Researchers found genetic adaptation for low UV exposure in North and East Asian populations, linked to increased sweat gland density and mammary ductal branching. The EDAR V370A variant may have selected for improved vitamin D biosynthesis through breast milk, enhancing offspring nutrition.
Researchers at UMass Amherst and University of Missouri found that prenatal exposure to a mixture of fracking chemicals affects mouse mammary gland development, leading to potential pre-cancerous lesions. Further studies are needed to evaluate the effects on long-term health and lactational capacity.
Researchers found that female mice exposed to fracking chemicals during prenatal development developed abnormal mammary glands and pre-cancerous lesions in adulthood. The study suggests that the mammary gland is sensitive to mixtures of fracking chemicals, increasing concerns about potential health effects in humans.
Researchers describe elegantly simple solution to complex problem of how tissues branch and grow, revealing self-organising process that generates space-filling networks. This discovery has huge implications for basic biology, offering new insights into cancer development and potential applications.
A new organ culture system developed by Tufts University researchers enables tests of BPA's direct effects on developing fetal mouse mammary tissue. BPA significantly increased tissue growth at environmentally relevant doses, while higher levels inhibited growth.
Researchers developed a three-dimensional mammary gland model that mimics healthy breast tissue structure and function. The model enables the study of disease mechanisms and drug screening, providing a significant breakthrough in understanding breast cancer.
A new study found that BPA directly affects the mammary gland of mouse embryos, potentially raising breast cancer risk. The research, presented at the Endocrine Society's annual meeting, suggests that exposure to endocrine disruptors like BPA in utero may be a key factor in increased breast cancer incidence.
Researchers at Helmholtz Munich developed an assay to rebuild mammary gland tissue architecture using human breast epithelial cells. The mini-mammary glands exhibit properties similar to those of aggressive breast cancer cells, suggesting a link between normal breast stem cell function and tumor progression.
Researchers at Cold Spring Harbor Laboratory found that the mammary gland forms a long-term memory of pregnancy, allowing it to respond more efficiently to hormonal changes during subsequent pregnancies. This epigenetic memory is thought to explain why breastfeeding is easier in second and subsequent pregnancies.
A new study by Cincinnati Children's Hospital Medical Center and the University of California Davis has made a significant discovery about insulin's role in lactation. Insulin plays a crucial role in regulating the production of breast milk, particularly for mothers with sub-optimal glucose metabolism.
Johns Hopkins scientists discovered that male sex hormones like testosterone alter the availability of a nerve growth factor called BDNF, leading to the loss of nerves in mammary gland ducts of males. This mechanism may explain other sex-specific variations in nerve networks.
Research reveals activation of PI3K-Akt signaling pathway induces mammary gland cells to produce prolactin, triggering Stat5 activation and milk production. Prolactin's role in human breast cancer is reevaluated, with potential implications for treatment.
Researchers found that wallabies regulate growth of their young by selectively imprinted insulin gene, similar to human placenta. Insulin expression in mammary gland increases after birth, indicating critical role for genomic imprinting in post-natal growth.
Researchers found that fetal exposure to BPA increases mammary bud density and advances gland development in rhesus macaques, increasing breast cancer risk. The primate study supports rodent models as a reliable method for studying BPA's effects on human health.
Perinatal exposure to BPA may alter long-term hormone response and increase predisposition to breast cancer. Researchers found that BPA-exposed female mice had an increased response to progesterone and a higher cell number in their milk ducts.
A study by Rosalia C. M. Simmen found that blueberry powder improved indicators of rat mammary gland health, including branching and biochemical markers like PTEN. The effects have not been shown in humans and may aid breast cancer research.
A team of scientists has found that microRNAs, tiny ribonucleic acid molecules, play a crucial role in mammary gland development in mice. The absence of these molecules resulted in the complete failure of duct development in the mammary glands of mice.
A study in mice suggests that prenatal exposure to BPA or DES may program a fetus for life, increasing the risk of breast cancer in adulthood. Higher EZH2 levels are associated with an increased risk of breast cancer in humans, highlighting the potential need for monitoring women exposed to these chemicals.
A University of Rochester Medical Center study found that dioxin exposure during pregnancy can cause premature cell death and alter milk-producing genes in mammary glands. This may explain why some women struggle with breastfeeding or produce inadequate milk, affecting an estimated three to six million mothers globally.
Researchers identified serotonin as the chemical responsible for inhibiting milk production and secretion in human mammary glands. The finding could aid development of therapeutics to increase milk production, aiding efforts to alleviate milk shortages worldwide.
Researchers found that a normal gene involved in mammary gland function helps trigger a lethal type of leukemia when mutated. The discovery suggests that drugs targeting this mutation may have fewer serious side effects in leukemia patients.
Researchers discovered that lactating mammary glands can sense changes in calcium levels and adjust milk production accordingly. The calcium-sensing receptor plays a key role in this process, allowing the gland to match milk production with the availability of calcium in the mother's body.
Researchers identify XOR as essential for enveloping milk fat droplets with phospholipid bilayer. Heterozygous XOR-mutant females fail to secrete milk fat, leading to premature involution of mammary gland and lactation insufficiency.
Despite having only a dozen mammary glands, naked mole-rat mothers produce up to 28 pups per litter and share nursing duties among the young. The colony's cooperative society allows for sufficient milk supply, eliminating competition among females.