Articles tagged with Retinoic Acid
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Research found that taking vitamin D2 supplements lowers the body's concentration of vitamin D3, which is essential for bone and immune health. Vitamin D3 has been shown to have modifying effects on the immune system, potentially fortifying against viral and bacterial diseases.
Researchers found that co-exposure to bisphenol A and retinoic acid disrupts neurodevelopmental gene signaling, leading to brain abnormalities. The study suggests a potential link between chemical exposure and neurodevelopmental disorders like autism spectrum disorder and attention deficit hyperactivity disorder.
Researchers at Cornell University discovered that the FGR protein can induce cell differentiation in leukemia cells similar to retinoic acid treatment. The presence of FGR alone was enough to make these cells mature, producing well-known markers of maturation and expressing inhibitor of the cell cycle p27.
Scientists at St. Jude Children's Research Hospital have uncovered the mechanism by which retinoic acid selectively kills metastatic neuroblastoma cells, using a novel pathway to trigger cancer cell death. The findings have implications for future combination therapy approaches.
Researchers at Gladstone Institutes have identified cells and molecules that go awry in the developing hearts of fetuses in women with diabetes, leading to higher levels of retinoic acid activity. The study could eventually lead to interventions to lower heart malformations risk in babies born to women with diabetes.
Researchers discovered cytoplasmic retinoic acid receptors, such as RARalpha, are essential for T cell linking sensing at the cell surface with downstream signaling cascades and gene expression programs. The study sheds new light on TCR signaling and its connection to cancer treatment.
A novel association of t(5;17) with t(8;21) has been reported in an acute myeloid leukemia (AML) patient, resulting in a RUNX1-RUNX1T1 rearrangement. The patient received chemotherapy and stem cell transplantation, highlighting the importance of this rare translocation.
Researchers have highlighted the importance of stromal vitamin A pathway in regulating IL-6 expression in colorectal cancer-associated fibroblasts. The study found that disrupting retinol-mediated IL-6 expression could be a potential approach to target CAFs during CRC treatment.
A new platform mimics live cellular environment to guide stem cell differentiation outside the body. Researchers from Chung-Ang University developed a novel platform based on metal-organic frameworks, which offers advantages over conventional methods for in vitro stem cell differentiation.
Scientists have developed a non-hormonal male contraceptive that effectively prevents pregnancy in mice, targeting the retinoic acid receptor alpha protein. The compound YCT529 was found to be 99% effective in preventing pregnancy without observable side effects, paving the way for human clinical trials.
The Texas Tech University Health Sciences Center has received a five-year, $1.87 million NIH grant to investigate the role of vitamin A depletion in Alzheimer's disease. The research aims to test the hypothesis that a lack of antioxidant all-trans retinoic acid (ATRA) promotes reactive oxygen species toxicity.
Researchers at UC Berkeley discover that Antabuse helps improve sight in mice with retinal degeneration by reducing hyperactive retinal cells. The treatment may one day lead to better therapies for humans with inherited diseases like retinitis pigmentosa.
Researchers discovered a new way to treat PTSD by targeting epigenetic modifications. Combining two natural products, SAMe and vitamin A, reversed PTSD-like behaviors in animals. This approach offers hope for a non-toxic treatment that addresses the underlying genetic cause of the disease.
Researchers from CNRS and IGBMC demonstrate that meiosis in mice begins and proceeds normally even without retinoic acid. Meiosis is a crucial process for the transmission of unique sets of genes to offspring, resulting in novel assortments of chromosomes.
Johns Hopkins researchers found that laser treatments and retinoic acid share a common molecular pathway that senses loose RNA molecules. This pathway is also involved in mice regenerating hair follicles after a wound.
Researchers at UC Berkeley have developed a therapy that can improve and prolong sight in those suffering from vision loss by dampening noise generated by nerve cells in the eye. The treatment has shown promising results in mice with a genetic condition, retinitis pigmentosa.
Scientists at Boston Children's Hospital have identified a potential new treatment for adenoid cystic carcinoma by targeting the MYB gene in zebrafish. The study found that retinoic acid derivatives effectively shut off the MYB gene, slowing tumor growth and validating its efficacy in human cells.
A fourth-generation retinoid, trifarotene, has been found to target only one particular retinoic acid receptor, reducing side effects. The study suggests that trifarotene may be particularly useful for treating large skin surface areas, such as the back and chest.
A CU Cancer Center study found that retinoic acid may fail against breast cancer cells marked by protein CK5 due to progesterone's promotion. Treatment timing might be crucial in preventing the growth of these dangerous cells.
Harvard Medical School researchers studied chicken embryos to understand the formation of high-acuity spot in the retina, which enables crisp daytime vision. They found that suppression of retinoic acid plays a crucial role in this process.
A team of researchers has identified the genetic mechanisms driving the metamorphosis that transforms flounders from symmetrical larvae to asymmetrical adults. The discovery sheds new light on an evolutionary puzzle, but also has practical implications for the fishing industry, which faces significant losses in flounder aquaculture.
Researchers at Stanford University School of Medicine discovered that retinoic acid levels play a critical role in suppressing colorectal cancer. Higher levels of the metabolite were found in mice and human tissues with less severe intestinal inflammation, suggesting new ways to prevent or treat colorectal cancer.
Researchers have made progress in designing a better male pill by tweaking experimental compounds that show promise. The team is refining the chemical structures to achieve a balance of solubility, specificity, and stability, aiming to design a safer and more effective alternative for men.
Researchers have discovered how zebrafish rebuild their skeleton after losing parts of their fins. A critical enzyme called Cyp26b1 helps to regulate retinoic acid levels, allowing osteoblasts to revert and form new bone tissue. The regeneration process relies on a complex navigation system involving signaling proteins and cell types.
Researchers found that a vitamin A derivative, retinoic acid, can reverse the changes in pre-cancerous breast cells, making them resemble normal cells. However, this treatment has no effect on fully developed cancer cells. The study's findings suggest that there may be a narrow window of opportunity for this treatment to be effective.
Researchers visualize retinoic acid distribution for the first time in a live zebrafish embryo, observing two opposing concentration gradients along the head-to-tail axis. This discovery confirms retinoic acid as a morphogen, essential for understanding tissue development and regenerative medicine.
Researchers discovered a 'switch' called MOZ that modifies the Tbx1 gene, essential for normal heart development, to explain variations in DiGeorge syndrome severity. The study found that MOZ activity can be influenced by environmental factors, such as diet, particularly vitamin A, which can exacerbate birth defects.
Research finds that maternal smoking disrupts retinoid pathways in the developing fetal lung, leading to increased risk of asthma and lung disease. The study shows that maternal smoking affects lung development and retinoic acid signaling in offspring, highlighting a potential mechanism for long-term health consequences.
Fox Chase researchers identify retinoic acid as a promising therapy for early-stage breast cancer, inhibiting cell growth and proliferation. The study's findings suggest that the treatment may be effective in stopping tumor progression at its earliest stages.
Researchers found that retinoic acid reduces inflammation in the colon by increasing FOXP3 expression and decreasing IL-17 levels, which could lead to new treatments for ulcerative colitis. This discovery helps scientists understand what causes and controls inflammation in the colon.
Researchers from the University of Chicago discovered a 'yin-yang' effect between estrogen and retinoic acid on gene expression in breast cancer cells. This balanced control can lead to new ways of preventing and treating breast cancer, including more precise diagnoses and novel anti-cancer drugs.
A study by Baylor College of Medicine found that retinoic acid and Neurogenin2 cooperate to activate chromatin and determine nerve progenitor cells become motor neurons. This discovery may lead to generating motor neurons from different stem cells and developing tools for drug screening.
A new embryology study clarifies the role of retinoic acid in limb development and finds that it controls forelimb budding but not hindlimb patterning. The research may lead to new therapeutic measures for congenital limb defects such as Holt-Oram syndrome.
New research using African frogs reveals that alcohol 'hijacks' a molecule needed to produce retinoic acid, which is crucial for embryonic development. This leads to cellular disorientation and malformations in babies.
Researchers found that overexpressing SOX9 restores retinoic acid sensitivity in melanomas and stops tumor growth. A combined therapeutic strategy may provide new hope for treating RA-resistant cancers like melanoma.
A study published in Science reveals that the Dazl protein plays a crucial role in initiating meiosis in response to retinoic acid signals. The researchers found that mice lacking the Dazl protein failed to express Stra8, a marker of meiotic initiation, whereas those with the protein clearly expressed Stra8 and entered meiosis.
Researchers found that zebrafish embryos regulate levels of retinoic acid within a certain range, using an enzyme called Cyp26a1 to degrade excess acid and proteins like fibroblast growth factors (Fgfs) to slow down degradation when levels drop too low. This regulation helps maintain a robust gradient of retinoic acid.
A study by UC Irvine researchers has revealed how human embryos regulate levels of retinoic acid, a derivative of Vitamin A, to avoid birth defects. The study found that cells regulate retinoic acid within a certain range, using enzymes and proteins to maintain optimal levels.
Researchers at LIAI demonstrated that retinoic acid regulates inflammation in laboratory mice, affecting pro-inflammatory T cell lineages. This finding suggests a new avenue of therapies using retinoic acid to treat autoimmune diseases.
Researchers found that a natural product of vitamin A can regulate immunity and enhance vaccine response when combined with PIC. The combination resulted in a four to seven times better immune response compared to individual treatments.
Researchers discovered that retinoic acid, vitamin A, buffers asymmetric cues in early-stage embryonic stem cells, enabling them to develop symmetrically. This finding challenges the conventional understanding of how symmetry is established in the human body.
Scientists have found that retinoic acid, a cancer-fighting vitamin A derivative, enters a cell's nucleus via protein CRABP-II by exposing positive charges on its amino acids. This discovery could lead to new treatments for various diseases, including leukemia and breast cancer.
A Cornell University biochemist has developed a strategy to make tumor cells more sensitive to retinoic acid, reducing required doses and enhancing its anticancer activity. By introducing CRABP-II, a naturally occurring protein, researchers can boost RA's ability to inhibit breast cancer cell proliferation.
Researchers discovered that UV radiation blocks the ability of skin cells to recognize retinoic acid, a nutrient made from vitamin A. This triggers a cascade of biochemical changes, causing a functional vitamin A deficiency in human skin. Pretreating skin with retinoic acid before UV exposure can limit the damage.
Researchers found that bone marrow transplant significantly improves disease-free survival for children with high-risk neuroblastoma. Additionally, follow-up therapy with high doses of retinoic acid shows promising results, with a three-year event-free survival rate of 55% compared to 16% for those treated with consolidation chemothera...
Cornell University researchers found that retinoic acid reverses the growth-promoting effects of oncogenes, which induce cancer. The study suggests enhanced therapies for leukemia and highlights the cancer-prevention role of carotenes in a diet rich in yellow-orange vegetables.
Researchers discovered that a genetic translocation between chromosomes is responsible for the deadly uncontrolled cell growth in APL. The hormone retinoic acid plays a crucial role in regulating gene expression and overcoming this translocation, making it a promising treatment for most cases.