Comparative effectiveness of vitrification and slow freezing after heterotopic transplantation of human ovarian tissues.

Background: The aim of this study was to compare the effectiveness of two different vitrification methods and slow freezing in terms of the recovery of endocrine function, follicular morphology and proliferation, apoptosis of stromal cells, and angiogenesis after heterotopic transplantation of human ovarian tissue.

Methods: Ovarian tissue from young women aged 29 to 40 was subjected to two vitrification methods and one slow freezing method. The thawed ovarian tissue was then transplanted into nude mice and divided into three groups (VF1 group, VF2 group, SF group) according to the different freezing methods.

Streptococcus agalactiaeInfection of a Reconstructed Human Respiratory Epithelium Revealed Infection and Host Response Characteristics by Different Serotypes.

Background: Streptococcus agalactiae poses a significant threat to neonatal health, causing morbidity and mortality when transmitted from the maternal vagina to the newborn's respiratory tract. Among its various strains, serotype III is predominant in severe neonatal infections in Asia. However, the mechanisms of pathogenesis and host responses underlying serotype-specific disease outcomes remain poorly understood.

Systolic blood pressure modifies the effect of endovascular thrombectomy in acute ischemic stroke: a mediation analysis.

Background: Systolic blood pressure (BP) is a key factor in the outcomes of patients with acute ischemic stroke (AIS) receiving endovascular thrombectomy (EVT). However, the factors that mediate the association between BP and clinical outcome are unclear.

Methods: Consecutive patients with AIS in the anterior circulation underwent continuous blood pressure monitoring for 24 hours.

Gelatin/polycaprolactone membranes promote endometrial regeneration and restore fertility.

Objective: To investigate the effectiveness of gelatin/polycaprolactone (GT/PCL) membranes for restoring endometrial structure and function and fertility in a rat model of endometrial injury.

Methods: We randomized 125 female Sprague-Dawley (SD) rats to the sham, natural repair (NR), estrogen (E), GT/PCL, and E-GT/PCL groups. Except for the sham group, all rats underwent uterine curettage.

A case report of neuronal intranuclear inclusion disease and literature review.

Neuronal intranuclear inclusion disease (NIID) is a rare progressive neurodegenerative disease with a characteristic pathological feature of eosinophilic hyaluronan inclusions in the nervous system and internal organs. The identification of GGC-repeat expansions in the Notch 2 N-terminal like C (NOTCH2NLC) gene facilitates the accurate diagnosis of NIID. Due to its rareness and high clinical heterogeneity, the diagnosis of NIID is often delayed or missed.

Development and validation of non-invasive prediction models for assessing kidney histopathological activity index in lupus nephritis.

Objective: To develop and validate prediction models for estimating the activity index (AI) of kidney histopathology in lupus nephritis (LN) using clinical and laboratory data.

Methods: This study used single-center data from patients with kidney biopsy-confirmed LN between January 2012 and March 2022. The development and validation datasets were temporally cut.

Non-Invasive Tumor-Naïve Minimal Residual Disease Detection of Liver Cancer by Incorporating Circulating Tumor DNA Features and Alpha-Fetoprotein: A Prospective Study.

Background And Purpose: Liver cancer has a high recurrence rate of 50%~70% for early-stage patients. Minimal residual disease (MRD) is strongly linked to liver cancer early recurrence. Identifying MRD through reliable prognostic biomarkers, such as circulating tumor DNA (ctDNA), could significantly benefit these patients by enabling timely intervention and improved outcomes.

Heterogeneous Cardiac-Derived and Neural Crest-Derived Aortic Smooth Muscle Cells Exhibit Similar Transcriptional Changes After TGFβ Signaling Disruption.

Background: Smooth muscle cells (SMCs) of cardiac and neural crest origin contribute to the developing proximal aorta and are linked to disease propensity in adults.

Methods: We analyzed single-cell transcriptomes of aortic SMCs from adult mice to determine basal states and changes after disrupting TGFβ (transforming growth factor-β) signaling necessary for aortic homeostasis.

Results: A minority of Myh11 lineage-marked SMCs differentially expressed genes suggestive of embryological origin.

Research progress on ferroptosis regulation in tumor immunity of hepatocellular carcinoma.

Ferroptosis is a form of regulated cell death, which is dependent on iron metabolism imbalance and characterized by lipid peroxidation; it plays a crucial role in various pathological processes. Studies have shown that the occurrence of ferroptosis is closely associated with the progression of hepatocellular carcinoma (HCC). Ferroptosis is involved in regulating the lipid metabolism, iron homeostasis, mitochondrial metabolism, and redox processes in HCC.

Misdiagnosis of a fungus ball in the middle ear as chronic suppurative otitis media.

Background: Middle ear infections caused by fungi are commonly identified through laboratory tests like fungal smears, culture, and DNA detection. There are two types of ear infections caused by fungi: middle ear fungal infections and fungal otitis media. Both fungal otitis media and fungus balls in the middle ear are increasingly rare.

TFAP2A Promotes Cell Progression and Suppresses Ferroptosis in Lung Adenocarcinoma via Activating Transcription of CST1.

Lung adenocarcinoma (LUAD) is a common type of lung cancer with complicated pathological mechanism. Transcription Factor AP-2 Alpha (TFAP2A) and Cysteine protease inhibitor 1 (CST1) are upregulated genes in LUAD samples, accordingly, we focused on clarifying the role of TFAP2A/CST1 axis in LUAD. Expression analysis was performed using real-time quantitative polymerase chain reaction and western blot.

Exploring the Prevalence and Etiological Factors of Body Dysmorphic Disorder in Cosmetic Surgery Populations: Implications for Enhanced Clinical Assessment.

Background: The prevalence of body dysmorphic disorder (BDD) varies across different clinical settings, with evidence indicating its notable presence not only in psychiatric environments but also in dermatology and plastic surgery. This article aims to investigate the etiological factors associated with the elevated incidence of BDD in plastic surgery outpatient settings, with the ultimate objective of enhancing the assessment process for potential cosmetic procedure candidates.

Methods: We recruited 531 patients seeking consultations or surgeries at the Department of Plastic Surgery, Peking University Shenzhen Hospital, from October 2022 to February 2024.

Reducing the Duration to Reach Full Enteral and Oral Feeding Volumes for Very Preterm and Extremely Preterm Infants: A Quality Improvement Project.

Background: Enteral and oral feeding are crucial for infants with a gestational age <32 weeks during hospitalization, with potential for improved outcomes through optimized feeding practices.

Purpose: To shorten the time to achieve full enteral and oral feeding volumes in infants with a gestational age <32 weeks.

Methods: This pre-post-intervention study focused on patients with a gestational age <32 weeks in Shenzhen City, 44 bed NICU.

SASH1 is a novel binding partner to disassemble Caskin1 tandem SAM homopolymer through heterogeneous SAM-SAM interaction.

Calcium/calmodulin-dependent serine protein kinase (CASK) interaction protein 1/2 (Caskin1/2) is essential neuronal synaptic scaffold protein in nervous system development. Knockouts of Caskin1/2 display severe deficits in novelty recognition and spatial memory. The tandem sterile alpha motif (SAM) domains of Caskin1/2, also conserved in their Drosophila homolog Ckn, are known to form homopolymers, yet their dynamic regulation mechanism remains unclear.

Treatment of Infection After Tibial Intramedullary Nailing With Bone Distraction Combined With Free Anterolateral Thigh Flap for Concomitant Soft-tissue Defect.

A 57-year-old man presented with a tibial shaft fracture treated with tibial intramedullary nail fixation and plate and screw fixation for fibular fracture. Two weeks postoperatively, the patient developed skin sloughing with exposed bone and metal at the fracture site. Three weeks postoperatively, a physical examination revealed swelling of the left lateral malleolus and lower leg, a skin defect of approximately 3 × 5 cm at the lower third of the left tibia with an exposed fracture site and hardware in between the fracture fragments.

IL-37 Isoform A Prevents Collagen-Induced Arthritis in Mice by Modulating the Th17/Treg Balance via IL1R8 Receptors.

Cytokines play a complex and pivotal role in modulating synovitis in rheumatoid arthritis. Interleukin (IL)-37 is known for its extensive anti-inflammatory properties that set it apart from the majority of other IL-1 family members. However, IL-37a, a member of the IL-37 family, lacks research into rheumatoid arthritis.

Diagnostic and Therapeutic Approaches to Jaw Osteoradionecrosis.

Jaw osteoradionecrosis (ORN) is a major complication of head and neck cancer radiotherapy. Treatment complications account for most of the poor outcomes for head and neck cancers and the associated racial health disparities in cancer survivorship. The global incidence of jaw ORN is improving due to pre-radiotherapy patient preparations and improved head and neck cancer radiotherapy protocols.

The Efficacy and Safety of Botulinum Toxin Type A in Prevention of Hypertrophic Scars After Epicanthoplasty: A Split-Face Double-Blinded Randomized Controlled Trial.

Background: Timely intervention can improve the aesthetic outcome of surgical scars, and botulinum toxin type A (BTXA) has demonstrated its potential as an effective treatment. However, conclusive scientific evidence is needed to definitively confirm the specific efficacy of BTXA following epicanthoplasty.

Methods: A total of 21 patients who underwent epicanthoplasty were enrolled.

Near-Infrared Optogenetic Nanosystem for Spatiotemporal Control of CRISPR-Cas9 Gene Editing and Synergistic Photodynamic Therapy.

Controlling CRISPR/Cas9 gene editing at the spatiotemporal resolution level, especially for in vivo applications, remains a great challenge. Here, we developed a near-infrared (NIR) light-activated nanophotonic system (UCPP) for controlled CRISPR-Cas9 gene editing and synergistic photodynamic therapy (PDT). Lanthanide-doped upconversion nanoparticles are not only employed as carriers for intracellular plasmid delivery but also serve as the nanotransducers to convert NIR light (980 nm) into visible light with emission at 460 and 650 nm, which could result in simultaneous activation of gene editing and PDT processes, respectively.

How to balance the live birth rate and the multiple pregnancy rate by selecting the cleavage-stage embryo number and quality for POSEIDON Group 1 and Group 2? A retrospective study.

Purpose: For unexpected low-prognosis patients (Group 1 and Group 2) defined by POSEIDON criteria, how to maximize the live birth rate while controlling the multiple birth rate by tailoring the embryo transfer number and quality?

Methods: This was a retrospective study, including patients from Poseidon Group 1 (N = 672) and Group 2 (N = 503) who underwent cleavage-stage embryo transfer. Logistic regression was used for the comparative analysis of clinical outcomes among subgroups divided by the number and quality of embryos.

Results: For Group 1, compared to transferring a single good-quality embryo (GQE), a good-quality embryo with a poor-quality embryo (GQE + PQE) did not significantly improve the live birth rate, although increasing in value (40.

The depletion of gut microbiome impairs the beneficial effect of Gui-Shen-Wan in restoring mice ovarian function and associated protein expression of ovarian tissues.

Introduction: Traditional Chinese Medicine (TCM), specifically Gui-Shen-Wan, has shown promise in restoring ovarian function among reproductive-age women who had impaired ovarian functions, yet the underlying mechanisms remain elusive. Recent studies highlight the pivotal role of the gut microbiome (GM) in mediating the therapeutic effects of TCM. However, it is unclear whether the GM contributes to Gui-Shen-Wan's therapeutic restoration of ovarian functions.

MST1 interactomes profiling across cell death in esophageal squamous cell carcinoma.

Objectives: Resistance to apoptosis in esophageal squamous cell carcinoma (ESCC) constitutes a significant impediment to treatment efficacy. Exploring alternative cell death pathways and their regulatory factors beyond apoptosis is crucial for overcoming drug resistance and enhancing therapeutic outcomes in ESCC.

Methods: Mammalian Ste 20-like kinase 1 (MST1) is implicated in regulating various cell deaths, including apoptosis, autophagy, and pyroptosis.

NIR-II Ratiometric Optical Theranostic Capsule for Diagnosis and Precise Therapy of Intestinal Inflammation.

Capsules were widely used in clinical settings for the oral delivery of various drugs, although it remains challenging to trace real-time drug release behavior and adjust dosages based on the therapeutic effect. To address these issues, we developed theranostic capsules that loaded two kinds of fluorescence nanoparticles, HO-responsive Janus Ag/AgS nanoparticles (Ag/AgS JNPs) and the downconversion nanoparticles (DCNPs), and the dexamethasone (Dex) drug. The Ag/AgS JNPs exhibit a highly sensitive fluorescence (FL) signal at 1250 nm in response to HO, while the FL signal from the DCNPs at 1550 nm remains stable under physiological conditions.

Cellular MSI-H score: a robust predictive biomarker for immunotherapy response and survival in gastrointestinal cancer.

Microsatellite instability-high (MSI-H) is a critical biomarker for immunotherapy, yet primary resistance remains a significant challenge. Current MSI-H detection methods evaluate the proportion of MSI-H loci, termed molecular MSI-H score, which can be affected by intratumoral heterogeneity (ITH). To address this limitation, we propose evaluating MSI-H at the cellular level to improve the prediction of immunotherapy outcomes.