Articles tagged with Steroid Hormones
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Scientists have captured detailed images of NMDA receptors held open by natural gatekeepers and synthetic regulators, revealing how they control ion flow. This understanding can inform the design of safe and effective therapies for conditions like Alzheimer's disease and stroke.
A new University of Toronto study reveals that over one-third of boys and men know someone who uses steroids, increasing their own intention to use them. The research highlights the importance of targeted prevention efforts considering social environments and identity factors.
Elevated cortisol levels in preterm fetuses disrupt normal heart development, potentially leading to increased cardiovascular disease risk. Cortisol exposure accelerates heart development in ways that may not be beneficial, ultimately compromising heart health.
The EndoCompass project aims to guide future studies and funding programs with a research roadmap for better hormone health in Europe. Manuel Heitor will share his perspective on the future of research in Europe, emphasizing the need for greater investment and coordination.
Research reveals individuals taking oral steroids for over 3 months are 6 times more likely to be diagnosed with adrenal insufficiency than those treated with non-steroidal anti-inflammatory drugs. Long-term users of inhaled steroids also face increased risk without hospitalisations.
Researchers have developed a new approach to overcome treatment resistance in estrogen receptor-positive (ER+) breast cancer. Dual aromatase-steroid sulfatase inhibitors (DASIs) show promise in effectively blocking both enzymes involved in oestrogen production, potentially reducing tumour growth.
Researchers discovered a link between neuroactive steroids in pregnant women's blood and the risk of developing postpartum depression. Measuring these molecules via a blood test could enable doctors to provide treatment sooner. The study may lead to a preventive treatment using existing prescription drugs.
A new study suggests that women at risk of postpartum depression may have characteristic levels of neuroactive steroids in their blood during pregnancy. Elevated progesterone levels and imbalances in its metabolism may be associated with an increased risk of PPD.
A new study by Swansea University researchers found a relationship between high alcohol consumption and long ring fingers compared to index fingers. The study used a sample of 258 university students and revealed that high prenatal testosterone relative to oestrogen is linked to high alcohol consumption in men, but not women.
A study by Ane Arregi-Otxotorena found that major behavioural problems are related to higher levels of cortisol in the hair, and maternal stress influences children's cortisol levels. Additionally, higher exposure to environmental noise is associated with lower cortisol levels in boys.
Researchers have developed a cost-effective and easily reproducible point-of-care testing device that can accurately measure cortisol levels in the blood. The device uses iridium oxide nanoparticles to improve stability, sensitivity, and selectivity, allowing for commercial use.
Researchers have constructed a regulatory network showing how diosgenin and brassinosteroids balance each other in Dioscorea zingiberensis, offering new insights into plant secondary metabolism. The study provides evidence of homeostasis and regulatory mechanisms for these vital compounds.
Researchers found that patients wearing a brain-tracking headband while meditating experienced improved physical functioning and reduced body pain after surgery. The MUSE-2 device provides audio biofeedback to aid meditation.
A study found that men who stopped using illicit steroids within the past year experienced lower sexual function scores, depression, and anxiety compared to those currently using steroids. Having a psychiatric diagnosis and lower testosterone levels were associated with greater impairment in these areas.
The Joint Guideline provides guidance on diagnosing and treating GC-AI, a condition affecting at least 1% of the global population. The guideline aims to improve patient care and outcomes worldwide.
Higher cortisol levels in the womb may lower a boy's IQ score at age 7, while higher urine cortisone levels may improve a girl's IQ score. Research suggests that prenatal exposure to cortisol affects cognitive function in children independently of sex.
The study identified genes and transcription factors involved in the balance process of diosgenin and brassinosteroids in Dioscorea zingiberensis. CAS and CYP90s play a pivotal role in sterol homeostasis, suggesting a new perspective on regulatory networks.
Researchers at Kyushu University identified a new type of tumor cell population, steroids-producing nodules (SPNs), which lead to cortisol-producing adenomas. The study provides clues into the formation and maintenance of the human adrenal cortex.
Researchers from the University of Kent have identified steroid drugs used for hormone replacement therapy that can stop the growth of antibiotic-resistant E. coli and effectively kill MRSA. These findings suggest an alternative to conventional antibiotics, providing a potential solution to the growing threat of antibiotic resistance.
A new study has found that anabolic steroid use can increase the risk of atrial fibrillation in individuals with existing genetic predisposition to heart diseases. Researchers discovered that testosterone and other male sex hormones used for muscle building can lead to electrical problems in the heart, particularly in young men.
Research at Duke University reveals that sex hormones allow Neisseria gonorrhoeae to produce more pumps to fight off antibiotics, increasing the risk of infection. The bacteria can sense its hormonal environment and colonize during specific phases of the menstrual cycle.
A study of 152 male gym enthusiasts found a significant lack of awareness about the risks of gym lifestyle on fertility. High levels of estrogen from protein supplements were linked to fertility issues, prompting a call for men to educate themselves about supplementation.
New research from University of Illinois Chicago identifies a potential 'stop growing' switch triggered by steroid hormone ecdysone in fruit flies, which may relate to human puberty. The study's findings have implications for understanding the growth-stopping process in humans, particularly given recent changes in puberty onset.
A Danish study found that 7% of seized products contained no active pharmaceutical ingredient, while 22% had inconsistent content. The researchers warn that users may be injecting themselves with cooking oil or other substances instead of intended medications.
Higher aldosterone concentrations are associated with lower eGFR, lower potassium levels in blood, and higher potassium and protein concentrations in urine. The risk of CKD worsening was independent of diabetes status. Finerenone may help prevent CKD progression by targeting aldosterone's action.
A new study found that HIV-1 Tat expression accelerates age-related diseases in male mice by disrupting neuroendocrine function. Researchers discovered that Tat alters steroid hormone levels, leading to anxiety-like behavior, cognitive errors, and reduced grip strength.
A UC Riverside genetic discovery found that mosquitoes lack the primary ecdysone transporter, allowing researchers to develop a mosquito-specific insecticide. This breakthrough could help control Zika, dengue, and other virus-carrying mosquitoes without harming beneficial insects.
A study by researchers from the University of Chicago reveals that maternal octopuses undergo a massive shift in cholesterol metabolism, resulting in dramatic changes in steroid hormones produced. This phenomenon is linked to a life cycle process and has serious consequences on longevity and behavior across different animals.
A study led by Kyoto University researchers found that modulating hormone levels can improve meibomian gland disorder, a common cause of dry eyes. Topical administration of nicotinamide mononucleotide (NMN) boosted NAD levels and rebooted 3-HSD activity in mutant mice, alleviating dryness.
Researchers from the University of Tsukuba have discovered that certain flavonoids inhibit an enzyme involved in the formation of a key insect hormone in the yellow fever mosquito. Flavonoids, found in plants and other organisms, also show larvicidal activity against mosquitoes.
Plants respond to heat stress by activating a molecular defense pathway involving brassinosteroids, which increase heat stress resistance. Researchers at TUM discovered the role of transcription factor BES1 in this process.
A recent study reveals that fish ingest progesterone through microplastics, releasing the hormone into their digestive tract. Researchers found that microplastics act as vectors for exposing fish to micropollutants like progesterone, which can have significant environmental and health impacts.
Scientists have found that malignant epithelial tumours produce a protein called Upd3, which blocks the production of steroid hormones and activates signalling pathways to delay development. This discovery has significant implications for understanding delays in puberty caused by various medical conditions.
Researchers developed a filtration system that combines a polymer membrane with activated carbon to eliminate estradiol in drinking water. The method achieves an efficiency of more than 99%, reaching the European Commission's reference value of 1 nanogram per liter.
A study by University of Tsukuba researchers has identified a key molecule Crz that regulates body size adjustment during the larval stage in Drosophila. The study found that Crz neurons physically contact PTTH-producing neurons, controlling basal ecdysteroid biosynthesis and enabling proper development.
Chemists at Tokyo Tech design a capsule-shaped synthetic receptor that exhibits high binding affinity towards male steroid hormones, enabling ultrasensitive detection of testosterone. The receptor's unique cavity structure contributes to its selectivity and is promising for medical and sports applications.
A membrane transporter has been identified as crucial for the uptake of steroid hormones into cells, challenging decades-old assumptions about their biological effects. This breakthrough could lead to new treatments for diseases like cancer and immune disorders.
A team of researchers at UC Riverside has received a $1 million award to investigate the role of membrane transporters in guiding steroid hormones into cells. They aim to show that transporters, not diffusion, are responsible for hormone entry and develop new drugs with greater specificity.
Researchers from RUDN University have developed a three-stage synthesis method for producing steroid analogs, including hormones and terpenes. The process takes 2-3 days at room temperature, significantly reducing the time required compared to previous methods.
Naoki Yamanaka, the first researcher at UC Riverside to receive a Pew scholarship, will pursue foundational research using state-of-the-art techniques. His research focuses on identifying chemicals that interrupt steroid hormone entry into cells, which could lead to novel means of manipulating steroid-related processes.
Researchers found that DNA amount controls initial steroid hormone production, signaling start of metamorphosis. This internal timer determines juvenile development and makes metamorphosis irreversible.
Researchers at TUM found that brassinosteroids increase plant resistance to frost by regulating a protein called CESTA, which influences gene expression and fatty acid composition. This discovery may provide solutions to climate-related agricultural problems.
A new 'Ouija Board' protein in Drosophila melanogaster flies plays a crucial role in regulating the expression of a single gene required for biosynthesis of insect steroid hormones. This study provides new insights into animal steroid hormone biosynthesis and its evolution.
A new study by UC Riverside-led researchers challenges the long-held assumption that steroid hormone release occurs through simple diffusion, instead suggesting a regulated vesicle-mediated release process. This discovery could lead to novel methods for manipulating biological processes and has potential health and agricultural benefits.
GAS5, a long intergenic non-coding RNA, acts as a brake on steroid hormone receptors, preventing them from binding DNA. Researchers have gained insights into how GAS5 RNA interacts with steroid hormone receptors and its potential role in disease.
Researchers found elevated levels of steroid hormones, including testosterone and progesterone, in the amniotic fluid of boys later diagnosed with autism. This discovery may help explain why autism is more common in males than females.
A recent study published in The Endocrine Society's journal refutes the long-held belief that a protein is necessary for producing steroid hormones like testosterone. Researchers found that male mice with a specific protein deficiency produced normal levels of testosterone, challenging the existing scientific understanding.
A team of scientists has discovered that a specific helper protein is necessary for a plant membrane receptor to sense and respond to a growth-promoting steroid hormone. The study provides new insights into the molecular mechanisms underlying plant growth, with potential applications in basic research and synthetic chemistry.
The editorial discusses the evolution of doping scandals from ancient times to modern-day sports, highlighting the need for continuous innovation in detection methods. Bowers emphasizes the importance of analytical skills, pharmacokinetics, and human physiology in preventing abuse in sport.
University of Alberta researchers identified a key regulator controlling the speed of development in fruit flies. Blocking this regulator sped up development, leading to faster maturation. The study defines a novel mechanism for regulating steroid hormone pulses, crucial for human health and disease.
Researchers found that chronic exposure to low doses of BPA impairs the growth and function of adult reproductive cells in mice. This can lead to fertility issues due to impaired ovulation and reduced production of essential sex hormones.
A study by French and American scientists found that enzyme synthesis of steroids in humans is unrelated to those in insects, snails, octopuses, and corals. This discovery suggests a 'snail-centered viewpoint' for understanding the effects of environmental chemicals on steroid synthesis.
The article highlights the alarming growth of the human growth hormone (hGH) industry, worth $2 billion annually. Deceptive marketing by anti-aging clinics and compounding pharmacies has led to increased distribution of hGH for non-approved uses, posing significant health risks, including cancer.
A study using functional Magnetic Resonance Imaging identified the neural networks involved in processing reward-related functions modulated by female gonadal steroid hormones. The research found that women exhibit increased reactivity in regions dealing with emotions, such as the amygdalo-hippocampal region, during the follicular phase.
Researchers at the Salk Institute have clarified the response pathway to steroid hormone brassinolide, a key element in plant growth. The study reveals that BES1 is activated in the nucleus after BIN2 inhibition, leading to gene activation and promoting plant growth.
Researchers investigated whether low serum testosterone levels are associated with low sexual function in women. The study found no evidence of associations between low scores for any sexual domains and low serum total and free testosterone levels.
Researchers discovered a key protein, BZR1, that regulates plant growth by binding to a specific DNA sequence and stopping the production of an enzyme needed for BR synthesis. This feedback loop helps maintain optimal steroid levels for plant growth.
Research found that altering steroid hormone levels enhances a complex auditory system in female midshipman fish. The discovery suggests that estrogen hormones may play a role in shifting the sensitivity of the auditory system to prioritize social stimuli.
Researchers at the University of Wisconsin-Madison have found that DHEA significantly increases the division of human neural stem cells, leading to increased neurogenesis. The study's findings provide direct evidence of DHEA's effects on critical human cells, shedding light on the hormone's potential benefits and risks.
A new study found that anabolic steroids can increase lean body mass and reduce fatigue in kidney disease patients receiving dialysis. Patients who received the steroid gained an average of 5.7 pounds more lean body mass than those on placebo, scoring better on physical performance tests.