Background: Immune dysregulation, polyendocrinopathy, enteropathy, X-linked (IPEX) syndrome is a rare single-gene X-linked immunodeficiency disease caused by mutations in the forkhead box protein 3 (FOXP3) gene. The typical clinical manifestations of IPEX mainly include severe atopic dermatitis, insulin-dependent type 1 diabetes mellitus, and intractable diarrhea.
Case Presentation: Here, we report a boy with intractable diarrhea diagnosed with early-onset IPEX syndrome due to the c.
Cardiac hypertrophy is characterized by an increased volume of individual cardiomyocytes rather than an increase in their number. Myocardial hypertrophy due to pathological stimuli encountered by the heart, which reduces pressure on the ventricular walls to maintain cardiac function, is known as pathological hypertrophy. This eventually progresses to heart failure.
View Article and Find Full Text PDFMethylmalonic acidemia (MMA) is the most common inborn organic acidemia, presenting multisystemic complications. Uric acid may have neurotoxic or neuroprotective effects due to its antioxidant or pro-inflammatory properties; however, its role in MMA brain injury remains unclear. We examined the correlation between the serum uric acid levels and brain imaging features of MMA.
View Article and Find Full Text PDFThis study explores the complex pathogenesis of pituitary adenomas (PAs), prevalent intracranial tumors in the pituitary gland. Despite their generally benign nature, PAs exhibit a diverse clinical spectrum involving hormone hypersecretion and varying invasiveness, hinting at multifaceted molecular mechanisms and abnormalities in tumorigenesis and gene regulation. The investigation focuses on the Ki-67 labeling index, rs2236750, rs34037914, and rs267606574 polymorphisms, alongside serum levels of SSTR2, SSTR5, and AIP, to discern their association with PAs.
View Article and Find Full Text PDFBackground: Transient neonatal diabetes mellitus (TNDM) is a rare form of diabetes mellitus that usually presents within the first 6 mo of life. Patients often enter remission within several months, although relapse can occur later in life. Mutations in the gene, which encodes the sulfonylurea receptor 1 of the ATP-sensitive potassium channel in pancreatic beta cells, are associated with TNDM and permanent neonatal diabetes.
View Article and Find Full Text PDFZhongguo Dang Dai Er Ke Za Zhi
August 2024
Objectives: To investigate the clinical and genetic features of children with 3-methylcrotonyl-coenzyme A carboxylase deficiency (MCCD).
Methods: A retrospective analysis was conducted on the clinical manifestations and genetic testing results of six children with MCCD who attended Children's Hospital Affiliated to Zhengzhou University from January 2018 to October 2023.
Results: Among the six children with MCCD, there were 4 boys and 2 girls, with a mean age of 7 days at the time of attending the hospital and 45 days at the time of confirmed diagnosis.
Zhongguo Fei Ai Za Zhi
June 2024
Lung cancer is the malignant tumor with the highest incidence and mortality rate worldwide. For lung adenocarcinoma, identifying specific gene mutations, fusions, and giving corresponding targeted drugs can greatly improve the survival time of the patients. Among them, anaplastic lymphoma kinase (ALK) fusion occurs in 3%-7% of non-small cell lung cancer (NSCLC).
View Article and Find Full Text PDFUltraviolet radiation is the primary determinant for vitamin D synthesis. Sunlight is inefficient and poses a risk, particularly for long-term exposure. In this study, we screened the most favorable wavelength for vitamin D synthesis among four types of narrowband light-emitting diodes (LEDs) and then irradiated osteoporosis rats with the optimal wavelength for 3-12 months.
View Article and Find Full Text PDFA synthetic inhibitor of capsaicin-induced TRPV1 channel activation is called capsazepine (CPZ). In this study, we aimed to explore the effects of CPZ on hyperpolarization-activated cationic current (I) and voltage-gated Na + current (I) in pituitary tumor (GH) cells. Through patch-clamp recordings, we found that CPZ concentration-dependently inhibited I amplitude and slowed its activation time course.
View Article and Find Full Text PDFAlpine wetland degradation threatens riparian biodiversity and ecological balance. Our study, conducted in July 2020 along the northern and eastern shores of Qinghai Lake, seeks to unravel the impacts of such degradation on plant species dominance and ecological niches, using advanced network analysis methods to explore the dynamics and survival strategies of plant species. We applied a space-to-time method to delineate three wetland degradation stage: a healthy swamp wetland, a slightly degraded wet meadow, and a degraded dry meadow.
View Article and Find Full Text PDFXAV-939(XAV) is a chemical compound that inhibits the activity of tankyrase. However, the precise way in which XAV alters membrane ionic currents is not well understood. In this study,our goal was to examine the impact of XAV on the ionic currents in mouse MA-10 Leydig cells, specifically focusing on the magnitude, gating properties,and voltage-dependent hysteresis of erg-mediated Kcurrents(I).
View Article and Find Full Text PDFPurpose: To assess the predictive value of an ultrasound-based radiomics-clinical nomogram for grading residual cancer burden (RCB) in breast cancer patients.
Methods: This retrospective study of breast cancer patients who underwent neoadjuvant therapy (NAC) and ultrasound scanning between November 2020 and July 2023. First, a radiomics model was established based on ultrasound images.
Zhonghua Yi Xue Yi Chuan Xue Za Zhi
March 2024
Objective: To explore the clinical features and genetic variants in three children suspected for β-ketothiolase deficiency (BKTD).
Methods: Clinical manifestations, laboratory examination and genetic testing of three children suspected for BKTD at Henan Children's Hospital between January 2018 and October 2022 were collected, and their clinical and genetic variants were retrospectively analyzed.
Results: The children were all males with a age from 7 to 11 months.
Vissers-Bodmer Syndrome, an autosomal dominant disease, is a neurodevelopmental disorder characterized by global developmental delay, intellectual disability, hypotonia and autistic features with a highly variable phenotype. It is caused by variants in the CCR4-NOT transcription complex, subunit 1 gene (). However, the pathophysiologic mechanism of the Vissers-Bodmer Syndrome remains unclear.
View Article and Find Full Text PDFMultimedia technology holds paramount importance in driving innovation within vocational education, significantly influencing learning satisfaction. Its integration facilitates dynamic and interactive learning environments, catering to diverse learning styles and preferences. Moreover, multimedia technology enables educators to simulate real-world scenarios, providing practical and hands-on training opportunities.
View Article and Find Full Text PDFMeningeal lymphatic vessels (mLVs) have been shown to be involved in amyloid beta (Aβ) clearance, which is considered as a potential therapeutic target for Alzheimer's disease (AD). In this study, based on the superficial spatial distribution of mLVs, a near-infrared light is employed to modulate lymphatic drainage, significantly improving cognition of both aged and AD (5xFAD and APP/PS1) mice, and alleviating AD-associated pathology by reducing Aβ deposition, neuroinflammation and neuronal damage. Furthermore, transmission electron microscopy imaging and RNA sequencing data indicate amelioration of mitochondrial metabolism and cellular junction of meningeal lymphatic endothelial cells (mLECs) by light modulation.
View Article and Find Full Text PDFThis review paper delves into the current body of evidence, offering a thorough analysis of the impact of large-conductance Ca-activated K (BK or BK) channels on the electrical dynamics of the heart. Alterations in the activity of BK channels, responsible for the generation of the overall magnitude of Ca-activated K current at the whole-cell level, occur through allosteric mechanisms. The collaborative interplay between membrane depolarization and heightened intracellular Ca ion concentrations collectively contribute to the activation of BK channels.
View Article and Find Full Text PDFBackground: Pitt-Hopkins syndrome (PTHS) is a neurodevelopmental disorder that remains underdiagnosed and its clinical presentations and mutation profiles in a diverse population are yet to be evaluated. This retrospective study aims to investigate the clinical and genetic characteristics of Chinese patients with PTHS.
Methods: The clinical, biochemical, genetic, therapeutic, and follow-up data of 47 pediatric patients diagnosed with PTHS between 2018 and 2021 were retrospectively analyzed.
Background: Safinamide (SAF), an α-aminoamide derivative and a selective, reversible monoamine oxidase (MAO)-B inhibitor, has both dopaminergic and nondopaminergic (glutamatergic) properties. Several studies have explored the potential of SAF against various neurological disorders; however, to what extent SAF modulates the magnitude, gating, and voltage-dependent hysteresis [Hys] of ionic currents remains unknown.
Methods: With the aid of patch-clamp technology, we investigated the effects of SAF on voltage-gated sodium ion (Na) channels in pituitary GH3 cells.