Researchers investigated the structure‒tissue exposure/selectivity relationship (STR) in correlation with observed clinical efficacy/toxicity using seven selective estrogen receptor modulators. The results showed that tissue exposure/selectivity of SERMs was correlated with clinical efficacy/safety, while plasma exposure was not.
RPA is a rapidly emerging technology for the rapid, sensitive, and economical detection of zoonotic pathogens. Its minimal sample preparation requirements and constant low-temperature performance make it suitable for field settings.
Recent advances in machine learning (ML) and artificial intelligence (AI) have revolutionized the field of metaphotonics. The integration of ML with photonics enables the creation of intelligent systems that can adapt to changing environmental conditions. Self-adapting systems, such as cloaks that adjust themselves to changes in freque...
The BioMFOS has small dimensions and lightweight, suitable for wearable application and clothing integration with ultra-high sensitivity and resolution. It can detect forces in the μN range and locations with sub-millimeter spatial resolution.
This issue of Acta Pharmaceutica Sinica B presents several studies on drug-induced liver injury, including the role of p62/SQSTM1 in acetaminophen-induced liver injury and the importance of gut barrier function in pyrrolizidine alkaloid-induced hepatotoxicity. The journal also explores mechanisms of immune checkpoint inhibitor-mediated...
Researchers designed a nanocleaner that specifically targets the blood-brain barrier at lesions to clean toxic proteins like A± and regulate inflammation in Alzheimer's disease. The nanocleaner, containing rapamycin and KLVFF peptide, accelerates ± degradation and alleviates oxidative stress and excessive inflammatory response.
This special issue explores research integrity in forensic science, discussing the importance of acknowledging cognitive bias, responsible authorship, and exemplary training. Key findings include the need for thoughtful consideration of relevance to advance forensic science, as well as challenges posed by the COVID-19 pandemic.
A new issue of the CVIA journal has been published, featuring research on the clinical significance of angiographically detectable neovascularity in patients with cardiac myxoma. Studies found that ADN was present in 42.4% of patients and was associated with higher levels of eosinophils and low-density lipoprotein cholesterol.
Researchers developed a method to enhance the conductivity of metal nanowire electrodes by using plasmon-enhanced laser nanosoldering. The technique involves irradiating silver nanoparticles with a high-intensity laser, creating hot spots that increase the contact area between particles and improve conductivity.
Researchers designed a nanobridged rhombic antenna supporting both dipolar and high-order plasmonic modes, enabling multiband detection with high sensitivity to molecules. Spatially superimposed hotspots boost local fields for both bands, enabling new strategies for multiband MIRAs.
A new strategy for ultrafast and energy-efficient all-optical computing is proposed based on convolutional neural networks. The approach uses cascaded silicon waveguides to control light amplitude and phase, achieving ultrafast computing times of several picoseconds with low energy consumption.
Researchers discuss recent progress in optical dynamic meta-holography, a technology for 3D display scenes. Metasurfaces enable more powerful light modulation capabilities, offering advantages such as higher spatial resolution and elimination of diffraction orders.
The study optimizes EIDD-2801 synthesis in a decagram scale with an overall yield of 58% using a four-step process. Machine learning is used to evaluate the relationship between yield and reaction conditions, revealing reagents as the most impactful factor.
Researchers propose a hybrid artificial neural network and analytical model to predict optical constants and bandgap energy of novel silicon thin films. The method was found to be 95% accurate in determining the optical properties of these materials, which is challenging due to limited experimental data available.
Recent advances in nano- and micro-based delivery systems show promising strategies for achieving controlled drug release in the lungs. These systems minimize drug toxicity and improve treatment outcomes for chronic diseases such as lung cancer, asthma, and chronic obstructive pulmonary disease.
The research team proposes a method to fabricate a refractive index sensor using perfluoropolymer fiber and single mode-m multimode-single mode (SMS) structure, which achieves high sensitivity. The experimental results show that the refractive index sensitivity is -219.504 dB/RIU.
Recent studies have shed light on the activation of pattern recognition receptors during infection with obligate intracellular bacteria. The authors summarize the clinical features of these infections and discuss recent advances in host recognition, highlighting knowledge gaps in understanding innate immunity.
A study of 59 cardiac myxoma patients found that angiographically detectable neovascularity was associated with a borderline lower rate of major adverse cardiac and cerebrovascular events. The findings suggest potential clinical significance of this phenomenon in patients with cardiac myxoma.
A new case study describes successful radiofrequency ablation of typical atrial flutter combined with atrial tachycardia in a 63-year-old patient with pulmonary heart disease. The procedure was performed using the carto3 system, but initial results were inconsistent until remapping confirmed focal atrial tachycardia location.
A new study published in Cardiovascular Innovations and Applications found that a microtube-irrigated ablation catheter was more effective than a general ablation catheter in reducing blood pressure in patients with resistant hypertension. The study, which followed 60 patients for 12 months, also showed that the microtube-irrigated cat...
A study evaluated the clinical efficacy of a drug-eluting stent combined with a drug-coated balloon in treating left main coronary artery bifurcation lesions. The treatment resulted in low restenosis rates and no serious clinical events, making it a safe and effective option.
Researchers found that exogenous phosphatidic acid protects against liver injury caused by acetaminophen overdose. PA activates interleukin-6 signaling, which is crucial for reducing liver damage.
A new study found that thrombocytopenia, elevated serum total bilirubin level, and enlarged right atrium are independent predictors of all-cause death in patients undergoing the Maze IV procedure. Additionally, these factors also predict recurrent atrial fibrillation.
A new study found that main renal artery plus branch ablation improves blood pressure in patients with resistant hypertension, a condition where traditional treatments fail. The procedure, which involves denervating the kidney's sympathetic nerves, showed promising results with no significant long-term benefits.
A novel CXCR4 antagonist, EPI-X4 JM#21, has been developed to prevent atopic dermatitis and airway inflammation. The compound suppresses allergen-induced immune cell infiltration and prevents skin inflammation in mouse models.
Researchers discuss the recent development of quantum optics based on micro/nano structures, including metasurfaces, which offers rich light field control function to discover new quantum physics. Metasurfaces has great potential in quantum optics, enabling the exploration of quantum technologies with strong stability and high efficiency.
Researchers found SHP2, a potential cancer therapy target, promotes innate immunosuppression in colon cancer by activating STING-TBK1-IRF3-mediated type I interferon signaling. The study used single-cell transcriptomics to explore SHP2's role in the tumor microenvironment.
The emergence of SARS-CoV-2 variants of concern has made global eradication unlikely. The current COVID-19 vaccines offer protection against severe disease but may not provide good mucosal immunity, making repeated doses and booster shots necessary.
The journal Cardiovascular Innovations and Applications (CVIA) has published its first issue of new Volume 6, featuring important research on the cardiovascular implications of COVID-19. The issue includes several articles on the topic, including a meta-analysis and systematic review of randomized controlled trials.
Astaxanthine attenuates cisplatin ototoxicity in vitro by reducing reactive oxygen species (ROS) overexpression, mitochondrial dysfunction, and apoptosis. In vivo, AST protects against cisplatin-induced hearing loss by promoting cell survival and reducing ROS overexpression.
Researchers have identified an N-benzyl hydroxypyridone carboxamide hit that inhibits HCMV in submicromolar range, exhibiting a structure-activity relationship and good selectivity index. The compound also displays favorable ADME properties
This study compared drugs associated with hepatotoxicity in the FDA's FAERS database, finding that mitochondrial mechanisms are a leading cause of drug-induced liver injury. The top four drugs with the highest risk were associated with mitochondrial mechanisms, and older patients and females were more likely to be affected.
The SARS-CoV-2 Lambda variant has been detected in over 30 countries worldwide, with rapid spread in Peru and low circulation in neighboring countries. The study found that the variant's infectivity is high, but its effects on clinical severity and vaccine effectiveness are poorly documented.
A new study published in Cardiovascular Innovations and Applications found that acute emotional stress combined with chronic anxiety disorder can cause malignant ventricular tachycardia, cardiogenic shock, and even death. The study highlights the importance of psychological management to improve patient outcomes.
A study analyzing CT images from patients with heart failure and COVID-19 pneumonia found distinct characteristics. Heart failure patients showed less rounded morphology and more peribronchovascular thickening compared to COVID-19 pneumonia patients.
A study in Egypt identified significant barriers to primary PCI implementation in STEMI management, including prehospital and emergency department delays. The findings highlight the need for improvement in STEMI networks, training of interventional cardiologists, and hospital policies to enhance patient care.
Hospitalized COVID-19 patients in Beijing experienced significantly shorter durations compared to SARS. Risk factors for longer hospitalization included bilateral pneumonia and lymphopenia.
Researchers propose using junctional pacemakers to replace the sinoatrial node in patients with bicuspid aortic valve and sinoatrial node dysfunction. This innovative approach offers a new treatment strategy for managing daily life while avoiding the need for sinoatrial node replacement surgery.
A meta-analysis of 19 randomized controlled trials found that ultrafiltration is superior to control treatments for weight loss (WMD 1.24 kg) and fluid removal (WMD 1.55 L), but associated with increased serum creatinine levels. The use of ultrafiltration in ADHF patients is efficient for fluid management but less safe renally.
The SARS-CoV-2 Delta variant has rapidly spread across the globe, infecting over 130 countries. It has higher transmissibility than ancestral strains, posing a risk to unvaccinated populations. Currently authorized vaccines remain effective against symptomatic infections and hospitalizations due to the Delta variant.
Researchers have successfully prepared boron quantum dots with excellent thermal stability, outperforming graphene in thermal conductivity. The new material has been applied to all-optical modulators and laser engineering, showing potential for nonlinear frequency conversion and all-optical communication fields.
This issue of Acta Pharmaceutica Sinica B features innovative research on pharmacologically targeting molecular motor for anti-cancer, novel PGAM5 inhibitor LFHP-1c protecting blood-brain barrier integrity in ischemic stroke, and a versatile tool for anchor pharmacophore steered drug discovery. Additionally, the journal publishes revie...
Researchers explore integrating reactive oxygen species generation and prodrug activation to enhance cancer therapy. Stimuli-responsive nanomedicines can target tumors, generating ROS that activate drug release, offering promising synergetic therapy strategies.
Combining interscalene brachial plexus block with general anesthesia attenuates stress and inflammatory response in arthroscopic shoulder surgery. ISB/GA results in lower epinephrine, norepinephrine, and glucose levels, as well as reduced TNF-α and IL-6 levels.
Researchers explore connections between preclinical and clinical modeling to develop unique animal-based disease models. Integration of active-targeting ligands and smart materials enhances nanomedicine functionalities, paving the way for new-concept nanoparticle-based drugs.
A case study presented ST-segment depression in leads I and aVL, which was resolved after 30 minutes due to high-frequency noise. The patient had no regional wall motion abnormalities or coronary stenosis, suggesting artifactual changes rather than pathophysiological findings.
Researchers develop a new method for reducing X-ray exposure during coronary angiography procedures by applying video interpolation techniques to frame rates. The approach uses a dataset of 95,039 images and achieves significant reductions in X-ray exposure frequency.
Researchers summarize the mechanism of ultrasound neuromodulation, which uses focused ultrasound to regulate neural circuits. The treatment shows promise for treating various neurological disorders, including epilepsy and depression, with potential for future developments in genetic engineering or nanotechnology.
Researchers investigate acoustic analysis of underlying tissue in this groundbreaking study, revealing a small but quantifiable impact of superficial tattoos on acoustic responses. The findings suggest near-vertical transitions between areas of different sound speeds cause artifacts in ultrasound images.
This article provides an overview of sulfur-containing natural products from marine microorganisms, highlighting their molecular diversity and bioactivities. A total of 484 compounds were recorded, with 59.9% being thioethers, 29.8% being thiazole/thiazoline-containing compounds, and 10.3% being sulfoxides, sulfones, and thioesters.