Development and Evaluation in Rat and Monkey of a Candidate Homochiral Radioligand for PET Studies of Brain Receptor Interacting Protein Kinase 1: [F]()-1-(5-(3-Fluorophenyl)-4,5-dihydro-1-pyrazol-1-yl)-2,2-dimethylpropan-1-one.

Receptor interacting protein kinase 1 (RIPK1) crucially upregulates necroptosis and is a key driver of inflammation. An effective PET radioligand for imaging brain RIPK1 would be useful for further exploring the role of this enzyme in neuroinflammation and for assisting drug discovery. Here, we report our progress on developing a PET radioligand for RIPK1 based on the phenyl-1-dihydropyrazole skeleton of a lead RIPK1 inhibitor, GSK'963.

Nutritional nursing competence of clinical nurses and its influencing factors: a cross-sectional study.

Objective: Assessing the nutritional nursing competence of clinical nurses will enable nursing managers to develop measures to effectively address the nutritional nursing needs of patients. Therefore, the purpose of this study was to investigate the status quo and influencing factors of nutritional nursing competence of nurses in China.

Method: A cross-sectional survey was conducted among more than 1300 clinical nurses from 10 provinces in eastern, central and western China by using self-designed socio-demographic questionnaire and nutrition nursing ability scale compiled by Zhu Xinyi.

Improving gel properties of egg white protein using coconut endosperm dietary fibers modified by ultrasound and dual enzymolysis combined with carboxymethylation or phosphate crosslinking.

Coconut endosperm residue is a rich dietary fiber resource; however, its hydration properties are poor. To enhance the functionality and applications of coconut endosperm residue dietary fiber (CERDF) in the food industry, ultrasound, cellulase, and hemicellulase hydrolysis combined with carboxymethylation or phosphate crosslinking have been used. The impact of the modified CERDFs on egg white protein gel (EWPG) was also studied.

Blockade of connexin43-containing hemichannel attenuates the LPS-induced inflammatory response in human dental pulp cells by inhibiting the extracellular flux of ATP and HMGB1.

Introduction: Tissue repair can be promoted by moderate inflammation but suppressed by excessive levels. Therefore, control of excessive inflammation following removal of infection plays a critical role in promotion of pulpal repair. Connexin 43 (Cx43) forms hemichannels (HCs) or gap channels (GJs) to facilitate the delivery of small molecules between cells to regulate both inflammation and repair.

Diagnostic and Prognostic/Therapeutic Significance of Comprehensive Analysis of Bone and Soft Tissue Tumors Using Optical Genome Mapping and Next-generation Sequencing.

Detecting somatic structural variants (SVs), copy number variants (CNVs), and mutations in bone and soft tissue tumors is essential for accurately diagnosing, treating, and prognosticating outcomes. Optical genome mapping (OGM) holds promise to yield useful data on SVs and CNVs but requires fresh or snap-frozen tissue. This study aimed to evaluate the clinical utility of data from OGM compared to current standard-of-care cytogenetic testing.

C-reactive protein (CRP) and otorrhoea as prognosticate markers for necrotising otitis externa treatment response: based on a retrospective cohort study of 62 patients.

Background: Recurrence rate of necrotising otitis externa (NOE) after treatment is 15-20%. This is mainly due to a lack of reliable clinical indicator for the resolution of disease.

Aims: We aim to assess the predictability of the otalgia, otorrhoea and C-reactive protein (CRP) levels in a large cohort of sixty-two patients for treatment outcome.

Optical Genome Mapping Reveals Complex and Cryptic Rearrangement Involving :: Fusion in Acute Promyelocytic Leukemia.

Acute promyelocytic leukemia (APL) is an aggressive subtype of acute myeloid leukemia (AML), characterized by the hallmark translocation t(15;17) resulting in a :: fusion. Once diagnosed, APL is now considered to be one of the most treatable forms of AML. However, without early detection and treatment, the disease is associated with rapid deterioration and lethal side effects.

Risk factors of lymph node metastasis in the diffuse sclerosing variant of papillary thyroid carcinoma compared with conventional papillary thyroidcarcinoma in pediatric populations.

Objective: To analyze the clinicopathological features and predictors of lymph node metastasis (LNM) in the diffuse sclerosing variant of papillary thyroid carcinoma (DSV-PTC) and compare these findings with conventional papillary thyroid carcinoma (C-PTC) in pediatric populations.

Methods: Patients aged 18 years or younger who were preoperatively diagnosed with PTC and underwent thyroidectomy at the First Affiliated Hospitals of Nanchang University from January 2017 to May 2024 were included in this study. Demographic and clinicopathological characteristics were retrospectively analyzed.

Scientific landscape of oxidative stress in sarcopenia: from bibliometric analysis to hotspots review.

Objective: Sarcopenia is a significant healthcare challenge in the aging population. Oxidative stress (OS) is acknowledged to play a pivotal role in the pathological progression of sarcopenia. Numerous studies have demonstrated that mitigating or eliminating OS can ameliorate the pathological manifestations associated with sarcopenia.

A Novelly-Spatiotemporal Characterization of the Disease Course in the MNU-Induced Retinitis Pigmentosa Model.

Objective: With the aids of ophthalmic imaging techniques for animals, the spatiotemporal characterization of MNU-induced retinitis pigmentosa (RP) rats were performed.

Methods: Sprague-Dawley (SD) rats were randomly divided into normal group (N), MNU-low-dose group (L) and MNU-high-dose group (H). Rats in the L and H group were given intraperitoneally injection with 40 and 60 mg/kg of MNU, a kind of alkylating agent, respectively.

Analysis of the effectiveness and safety of 7.5 Fr ultra-thin flexible ureteroscope combined with a tip-flexible suctioning ureteral access sheath for the treatment of kidney stones.

Objective: To compare the efficacy and safety of using a 7.5 Fr flexible ureteroscope (f-URS) with tip-flexible suctioning ureteral access sheath (TFS-UAS) versus a 9.2 Fr f-URS with traditional ureteral access sheath (T-UAS) in the treatment of kidney stones.

METTL3 alters AK3 RNA expression in an m6A-dependent manner to affect the proliferation and metastasis of hepatocellular carcinoma.

In recent years, the significance of N6-methyladenosine (m6A) modification in the process of tumorigenesis has garnered substantial attention from researchers in the field. Among the myriad of factors involved, METTL3, which functions as an m6A methyltransferase, has emerged as a critical player in this context. This enzyme has been shown to participate actively in the regulation of RNA stability and expression across a diverse array of tumors.

Therapeutic effects of Mudan granules on diabetic retinopathy: Mitigating fibrogenesis caused by FBN2 deficiency and inflammation associated with TNF-α elevation.

Ethnopharmacological Relevance: Mudan granules (MuD), a time-honored traditional Chinese patent medicine (TCPM), are widely utilized in the clinical treatment of diabetic peripheral neuropathy (DPN). In the field of biomedical diagnostics, both diabetic retinopathy (DR) and DPN are recognized as critical microvascular complications associated with diabetes. According to the principles of traditional Chinese medicine (TCM), these conditions are primarily attributed to a deficiency in Qi and the obstruction of collaterals.

Streptomyces albidocamelliae sp. nov., an endophytic actinomycete isolated from the leaves of Camellia oleifera.

A novel actinobacterium strain, HUAS 14-6, was isolated from the healthy leaves of Camellia oleifera collected from Changde City, Hunan Province, China. Strain HUAS 14-6 produced tight spiral spore chains consisting of oval or spherical spores with a smooth surface. 16S rRNA gene sequence analysis revealed that strain HUAS 14-6 belonged to the genus Streptomyces and shared highest similarity to Streptomyces bungoensis DSM 41781 (99.

Novel Pink Pigments Produced by Thermal Interaction of Theaflavins, Theanine, and Glucose: Color Formation, Isolation, and Structural Characterization.

A color-deepening effect of theaflavins on the theanine-glucose thermal reaction model was revealed. Generated chromogenic intermediates in the initial stage and an accelerated browning rate through the promoted degradation of theanine-glucose Amadori rearrangement product in the intermediate and final stages are responsible for the color-deepening effect. Four pink-to-red theaflavin-theanine intermediates were verified as theaflavinies referencing the nuclear magnetic resonance and liquid chromatography-mass spectrometry information on theaflavins and l-theanine, including one accurately identified as theaflavinie 4.

Triphala ameliorates cognitive deficits and anxiety via activation of the Nrf2/HO-1 axis in chronic sleep-deprived mice.

Triphala is renowned for its curative attributes and has been utilized for centuries to address diverse health ailments. Moreover, the active component of Triphala, polyphenols, is widely recognized for its excellent pharmacological activities, such as anti-inflammatory properties, and has been utilized as a potential natural remedy. However, the precise mechanism through which Triphala alleviates cognitive dysfunction and anxiety induced by chronic sleep deprivation (SD) remains restricted.

Genetic patterning in hippocampus of rat undergoing impaired spatial memory induced by long-term heat stress.

The organism's normal physiological function is greatly impacted in a febrile environment, leading to the manifestation of pathological conditions including elevated body temperature, dehydration, gastric bleeding, and spermatogenic dysfunction. Numerous lines of evidence indicate that heat stress significantly impacts the brain's structure and function. Previous studies have demonstrated that both animals and humans experience cognitive impairment as a result of exposure to high temperatures.

Spatial prediction of groundwater salinity in multiple aquifers of the Mekong Delta region using explainable machine learning models.

Groundwater salinization is a prevalent issue in coastal regions, yet accurately predicting and understanding its causal factors remains challenging due to the complexity of the groundwater system. Therefore, this study predicted groundwater salinity in multi-layered aquifers spanning the entire Mekong Delta (MD) region using machine learning (ML) models based on an in situ dataset and using three indicators (Cl, pH, and HCO). We applied nine different decision tree-based models and evaluated their prediction performances.

Water and Fertilizer Management Is an Important Way to Synergistically Enhance the Yield, Rice Quality and Lodging Resistance of Hybrid Rice.

This study comprehensively investigated the synergistic effects and underlying mechanisms of optimized water and fertilizer management on the yield, quality, and lodging resistance of hybrid rice (), through a two-year field experiment. Two hybrid rice varieties, Xinxiangliangyou 1751 (XXLY1751) and Yueliangyou Meixiang Xinzhan (YLYMXXZ), were subjected to three irrigation methods (W1: wet irrigation, W2: flooding irrigation, W3: shallow-wet-dry irrigation) and four nitrogen fertilizer treatments (F1 to F4 with application rates of 0, 180, 225, and 270 kg ha, respectively). Our results revealed that the W1F3 treatment significantly enhanced photosynthetic efficiency and non-structural carbohydrate (NSC) accumulation, laying a robust foundation for high yield and quality.

VO-Based Spacecraft Smart Radiator with High Emissivity Tunability and Protective Layer.

In the extreme space environment, spacecraft endure dramatic temperature variations that can impair their functionality. A VO-based smart radiator device (SRD) offers an effective solution by adaptively adjusting its radiative properties. However, current research on VO-based thermochromic films mainly focuses on optimizing the emissivity tunability (Δ) of single-cycle sandwich structures.