Articles tagged with Molecular Imaging
Researchers discovered rare cases of prostate cancer spreading to the testicles using advanced PSMA PET/CT scans, changing how doctors monitor recurring prostate cancer. A new ultra-low-dose PET scanning method reduced radiation exposure without compromising diagnostic image quality in cancer and metabolic imaging.
A study using cryo-electron microscopy revealed that autoantibodies in myasthenia gravis disrupt acetylcholine receptor function by blocking or activating the immune system's complement pathway. This knowledge helps explain treatment variability and offers a foundation for personalized therapies targeting specific antibody interactions.
Two new studies published in The Journal of Nuclear Medicine explore innovative approaches to treating melanoma with radiation therapy and enhancing brain PET imaging. A third study validates an AI network for brain tumor imaging, demonstrating promising results.
A team of chemists from Virginia Tech found a way to visualize the intricate structure and chemical reactions of battery interfaces using an X-ray beam line. This breakthrough enables researchers to gain better control over these critical surfaces, potentially leading to cheaper, higher performance batteries.
Researchers have developed a new way to map how individual connections between neurons change across the entire brain during learning. The method, DELTA, provides a brain-wide map of how individual synaptic proteins change over time, allowing scientists to understand how synaptic connections change and pinpoint areas of the brain impor...
Researchers have confirmed a neurobiochemical link between dopamine and cognitive flexibility through PET imaging, showing increased dopamine production with cognitively demanding tasks. This finding may lead to the development of more precise treatment strategies for neurological and psychiatric disorders.
A novel PET imaging approach has effectively quantified the COX-2 enzyme in human brains, opening doors for its use in clinical settings for various brain disorders. This breakthrough could lead to earlier disease detection and monitor disease progression with anti-inflammatory treatments.
New research published in The Journal of Nuclear Medicine explores ways to improve the diagnosis and treatment of metastatic breast cancer using Ga-NeoB PET/CT. Additionally, studies examine the potential of paraaminohippurate to reduce kidney toxicity during radiopharmaceutical therapy.
The device enables precise control over terahertz wave polarization, revolutionizing applications such as data transmission, imaging, and sensing. This innovation promises to transform fields like wireless communication and biomedical imaging.
Researchers explore new techniques to improve prostate cancer diagnosis and treatment, including dual-target PET/CT for enhanced lymph node staging and novel PSMA-targeted radioligands for more precise tumor targeting.
Researchers use advanced imaging to study molecular movement through NPCs, finding that molecules move through narrow conduits and avoid congestion despite slow movement. This discovery could lead to new insights into conditions like neurodegenerative diseases and cancers.
Conjugated small molecular nanoparticles (CSMNs) have shown promise in near-infrared phototheranostics (NIR PTs) for imaging, therapy, and synergistic treatment. Strategies to improve performances and extend absorption wavelengths are crucial for their clinical translations.
The Chinese Medical Association has released updated guidelines for pediatric mycoplasma pneumoniae infection, emphasizing a multi-faceted diagnostic approach and evidence-based treatment strategies. The guidelines highlight the importance of accurate diagnosis and responsible antibiotic use to combat rising resistance.
Researchers used novel fluorogen imaging techniques to visualize biomolecular condensates, revealing distinct environmental and structural features. The study provides insights into the dynamic behavior of these condensates, which play a crucial role in various diseases.
Researchers have developed a powerful imaging technology to study cellular metabolism, enabling the visualization of biomolecules' synthesis and turnover in live cells and organisms. Heavy-water probing allows for the tracking of metabolic dynamics, providing insights into aging and age-related diseases.
A new PET radiotracer effectively visualizes Nectin-4, a biomarker found in triple-negative breast cancer (TNBC), with the potential to improve clinical outcomes. Researchers developed a series of Nectin-4-targeted radiotracers and evaluated their efficacy in detecting TNBC.
A new technique called cycleHCR uses DNA barcodes to track hundreds of RNA and protein molecules in single cells within thick biological samples. This allows researchers to decipher how genes function in different parts of an organism, how they enable development, and how they might be altered in diseases.
Researchers used X-ray light to analyze the structure of 2-thiouracil, a substance with medically relevant properties. The study found that UV radiation causes the molecule to bend, resulting in the protrusion of the sulfur atom and making it reactive.
Researchers at POSTECH developed a super-photostable organic dye, PF555, to track proteins in cells over extended periods. This breakthrough enables observation of endocytosis and protein interactions, revealing EGFR's active navigation in its environment.
A new universal photocage modification strategy based on thioketal enables real-time live cell subcellular imaging. The thioketal-based probe SiR-EDT exhibits improved dark stability and can be specifically activated by UV-visible light.
A new hybrid microscope allows scientists to image the full 3D orientation and position of an ensemble of molecules, such as labeled proteins inside cells. This can reveal the real biology hidden from just a position change of a molecule alone.
A new PET tracer has been developed to visualize intact nerve connections in the spinal cord, which may indicate a better chance of recovery. This breakthrough has the potential to help diagnose injuries more precisely, monitor recovery, and evaluate the effectiveness of new therapies.
The FORESIGHT consortium aims to improve drug development through advanced nuclear and optical imaging techniques, AI expertise, and infrastructure. This will enable more efficient tracking of drug behavior in the body and better development of imaging biomarkers.
A panel of experts identified key biomarkers for PND through a comprehensive literature review of 194 clinical studies. The study highlights the potential for these biomarkers to predict and diagnose PND, improving postoperative cognitive health in elderly patients.
The University of Texas MD Anderson Cancer Center received nearly $23 million in CPRIT funding to advance cancer research, translational science, and clinical trials. The funding will support the recruitment of a first-time tenure-track faculty member and enhance the understanding of cancer biology.
A team led by Prof. Woo Young Jang developed a novel fluorescent probe to visualize cancer stem cells in complex samples, offering a new direction for cancer diagnostic imaging. This technology has significant implications for diagnosing and monitoring sarcomas.
Next-generation tau radiotracers demonstrate higher binding to Alzheimer's disease brain tissue and greater selectivity than existing imaging agents. This could lead to improved diagnosis and staging of the disease, as well as better outcomes in clinical trials.
A global team of scientists has made a groundbreaking discovery of a new skeletal tissue called lipocartilage, composed of fat-filled cells that provide super-stable internal support. This unique tissue has immense potential for treating facial defects, birth injuries, and cartilage-related conditions.
The project leverages super-radiance to enhance the brightness and emission rate of fluorophores, enabling high-throughput imaging and tracking of molecular processes. This could lead to breakthroughs in fields like cell biology, materials science, and nanotechnology.
Researchers from Tokyo Metropolitan University developed a new dye that strongly absorbs second near-IR radiation, transforming it to heat. This breakthrough enables clearer imaging and better delivery of heat for therapies in deep tissue medicine.
The Society of Nuclear Medicine and Molecular Imaging has issued a new procedure standard/practice guideline for the use of fibroblast activation protein (FAP) PET, outlining indications, imaging procedures, and quality control/quality assurance procedures. The guideline aims to deliver diagnostic efficacy and study quality for patients.
A new PET approach has detected early signs of tissue remodeling in patients with pulmonary arterial hypertension, providing an early marker for disease progression. This could pave the way for more personalized management and timely interventions to improve patient prognosis.
Researchers developed a supramolecular probe with enhanced phosphorescence properties for biological imaging and sensing. The probe demonstrated outstanding stability, biocompatibility, and specificity in viscosity response, enabling real-time visualization of critical physiological processes in cells and in vivo biosensing.
A new study found that nearly half of high-risk prostate cancer patients have metastatic disease when evaluated with advanced PSMA-PET imaging, suggesting traditional imaging may underestimate cancer spread. This challenge the interpretation of previous studies like EMBARK trial, and support the inclusion of PSMA-PET for patient select...
A novel radiotracer has accurately identified a crucial cancer biomarker, Trop2, found in various types of cancer. The radiotracer, <sup>18</sup> F-AlF-RESCA-T4, enables precise visualization of Trop2 expression and can differentiate lung inflammation from cancer.
Researchers developed a deep learning model that classifies pancreatic cancer into molecular subtypes using histopathology images, achieving high accuracy and rapid turnaround time. The AI tool has the potential to improve patient outcomes by enabling timely and tailored treatment strategies.
A new technique for detecting long wave infrared photons of different wavelengths has been developed by UCF researchers. This method, based on a nanopatterned graphene, offers dynamic spectral tunability and ultrafast response times, surpassing existing cooled and uncooled detectors.
A new noninvasive imaging method developed by MIT researchers can penetrate deeper into living tissue than previous techniques, producing richer and more detailed images. This breakthrough enhances biological research capabilities, enabling scientists to study immune responses and develop new medicines with greater accuracy.
A team led by Eric Stach at Penn Engineering has developed a new approach to visualize and understand molecular catalysts on semiconductor surfaces. By combining atomic-resolution imaging with machine learning analysis, they created detailed maps of the distribution and behavior of these microscopic structures.
A new MRI-based imaging technique can rapidly assess ovarian cancer subtypes and their response to treatment, allowing for personalized treatment planning. The technique, called hyperpolarised carbon-13 imaging, distinguishes between two different subtypes of ovarian cancer and reveals their sensitivities to treatment.
Max Delbrück Center researchers have uncovered new features of the molecular architecture of synaptic vesicles using cryo-electron tomography. The study reveals a persistent association between V-ATPase and synaptophysin, suggesting an important function in neurotransmission.
Researchers at Rice University developed soTILT3D, an innovative imaging platform that enables fast and precise 3D imaging of multiple cellular structures while controlling the extracellular environment. The platform improves upon conventional fluorescence microscopy by reducing background fluorescence and increasing imaging speed.
Scientists have captured 3D snapshots of individual RNA nanoparticles in motion, showcasing the dynamic and intricate folding process. This breakthrough uses advanced electron microscopy to study RNA's flexibility, enabling new insights into its structure and potential applications in molecular medicine.
Researchers found that individuals with depression who engage in reflexive emotion regulation experience increased suicidal thoughts during daily stressful events. In contrast, adaptive responses to stress were observed when participants used reappraisal strategy.
A new PACT system offers rapid imaging of living organisms, enabling the tracking of whole-body dynamics and disease progression. The system achieves spatial resolution of approximately 212 micrometers and enables the visualization of oxygen saturation across complex biological systems.
Researchers at the University of Texas at Dallas are using a 7-Tesla MRI machine to study brain structure, function, and cognition across time. The team aims to identify biomarkers for healthy or pathological aging, shedding light on individual differences in brain aging.
Research reveals the structural features of beta cell primary cilia, including microtubule organization and interactions with neighboring cells. The findings suggest that primary cilia play a crucial role in signal transmission and networking of beta cells with other islet cells, potentially linking to type 2 diabetes pathogenesis.
A recent study published in Cell reveals that nearly one in six disease-causing mutations leads to proteins mislocalizing within the cell. The research team developed a high-throughput imaging platform to assess protein location and found that breakdowns in protein stability are a major driver of misplaced proteins.
Researchers have developed a 'mini-protein' that targets cancer cells expressing Nectin-4, allowing for direct delivery of radiation to tumours. The treatment shows promise in targeting multiple types of cancers and has the potential to be safe for repeated administrations.
Researchers at ETH Zurich have discovered a new predatory bacterium, Aureispira, that uses grappling hooks and cannons to capture prey. The bacterium's molecular structures resemble those of pirate tools, allowing it to entangle and kill its victims quickly.
Researchers at MIT have developed a new expansion technique to image nanoscale structures inside cells using conventional light microscopes. The method, which expands tissue 20-fold in a single step, allows for high-resolution imaging of organelles and protein clusters.
A new non-invasive imaging technique has been shown to accurately detect clear-cell renal cell carcinoma, the most common form of kidney cancer. The technique uses a monoclonal antibody drug that targets the protein CA9, highly expressed in up to 95% of clear cell kidney cancers.
Researchers comprehensively reviewed cerebellar involvement in Parkinson's disease, highlighting the pathophysiological role of the cerebellum in motor and non-motor symptoms. Studies showed abnormal α-synuclein aggregation, neurodegeneration, and altered functional connectivity between the cerebellum and other brain regions.
A team led by Weiying Lin created a molecular probe that selectively detects serotonin, a key player in depression. The study suggests that the ability of neurons to release serotonin is more critical than serotonin levels themselves.
Researchers have developed novel photoacoustic probes for neuroscience applications, enabling visualization of neurons in specific brain regions. The probes use a combination of protein and synthetic dye to bind to chemicals and emit sound waves that can be detected by imaging equipment.
A novel PET/CT technique has been developed to detect neuroblastoma in children with high sensitivity and short scan time, eliminating the need for sedation or anesthesia. The new technique uses a novel tracer and next-generation scanner, resulting in improved diagnostic accuracy and reduced radiation exposure.
A new fluorescent imaging probe can non-invasively measure loss of smell, potentially eliminating biopsies used to diagnose anosmia. The tool targets the olfactory nerve, showing promise for diagnosing and treating smell disorders in patients.
Researchers have identified a metal deficiency in SOD1 protein associated with motor neurone disease using native ambient mass spectrometry imaging. This breakthrough could lead to new insights and treatments for the disease, which affects around 5,000 people in the UK.
A new hybrid contrast agent has been developed to combine the benefits of MRI and PET imaging techniques, offering improved accuracy and opening new diagnostic applications. The agent has shown potential in detecting kidney problems and other conditions, paving the way for personalized diagnostics and precise imaging.
Researchers at the University of Göttingen developed a new approach to analyze cell properties, using random fluctuating movement of microscopic particles. The method, called mean back relaxation (MBR), can distinguish between active processes and temperature-dependent processes.