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Abstract Background The genetic features and treatment strategies of lateralized overgrowth have been elusive. We performed this study to analyze the genetic characteristics and treatment results of propranolol- or alpelisib-treated patients with lateralized overgrowth. Methods Fifteen patients with lateralized overgrowth were involved. Clinical characteristics and whole-body magnetic resonance imaging (WB-MRI) findings were evaluated. Targeted exome sequencing with a gene panel of affected tissue and peripheral white blood cells was performed. Propranolol was administered and treatment results were evaluated. The PIK3CA inhibitor alpelisib was prescribed via a managed access program. Results The identified mutations were PIK3CA (n = 7), KRAS (n = 2), PTEN (n = 1), MAP2K3 (n = 1), GNAQ (n = 1), TBC1D4 (n = 1), and TEK (n = 1). Propranolol was prescribed in 12 patients, and 7 experienced mild improvement of symptoms. Alpelisib was prescribed in two patients with a PIK3CA mutation, and the reduction of proliferated masses after 1 year of treatment was proved by WB-MRI. Conclusions Targeted exome sequencing identified various genetic features of lateralized overgrowth. Propranolol could be applied as an adjuvant therapy for reducing vascular symptoms, but a PIK3CA inhibitor would be the primary therapeutic strategy for PIK3CA-related overgrowth syndrome.

Abstract Background The diagnostic yield of whole-exome sequencing (WES) varies from 30%–50% among patients with mild to severe neurodevelopmental delay (NDD)/intellectual disability (ID). Routine retrospective reanalysis of undiagnosed patients has increased the total diagnostic yield by 10–15%. Here, we performed proband-only WES of 1065 patients with NDD/ID and applied a prospective, daily reanalysis automated pipeline to patients without clinically significant variants to facilitate diagnoses. Methods The study included 1065 consecutive patients from 1056 nonconsanguineous unrelated families from 10 multimedical centers in South Korea between April 2018 and August 2021. WES data were analyzed daily using automatically updated databases with variant classification and symptom similarity scoring systems. Results At the initial analysis, 402 patients from 1056 unrelated families (38.0%, 402/1,056 families) had a positive genetic diagnosis. Daily prospective, automated reanalysis resulted in the identification of 34 additional diagnostic variants in 31 patients (3%), which increased our molecular diagnostic yield to 41% (433/1056 families). Among these 31 patients, 26 were diagnosed with 23 different diseases that were newly discovered after 2019. The time interval between the first analysis and the molecular diagnosis by reanalysis was 1.2 ± 0.9 years, which was shorter in the patients enrolled during the latter part of the study period. Conclusion Daily updated databases and reanalysis systems enhance the diagnostic performance in patients with NDD/ID, contributing to the rapid diagnosis of undiagnosed patients by applying the latest molecular genetic information.

Abstract Background KBG syndrome is a rare genetic disorder involving macrodontia of the upper central incisors, craniofacial, skeletal, and neurologic symptoms, caused either by a heterozygous variant in ANKRD11 or deletion of 16q24.3, including ANKRD11. Diagnostic criteria were proposed in 2007 based on 50 cases, but KBG syndrome remains underdiagnosed. Methods Whole exome sequencing (WES) and array comparative genomic hybridization (array CGH) were conducted for genetic analysis and patient phenotypes were characterized based on medical records. Results Eight patients from seven unrelated families were confirmed with KBG syndrome. All patients (8/8, 100%) had some degree of craniofacial dysmorphism and developmental delay or intellectual disabilities. Triangular face, synophrys, anteverted nostril, prominent ears, long philtrum, and tented upper lip, which are typical facial dysmorphism findings in patients with KBG syndrome, were uniformly identified in the eight patients participating in this study, with co‐occurrence rates of 4/8 (50%), 4/8 (50%), 4/8 (50%), 4/8 (50%), 5/8 (62.5%), and 5/8 (62.5%), respectively. Various clinical manifestations not included in the diagnostic criteria were observed. Six patients had point mutations in ANKRD11, one had an exonic deletion of ANKRD11, and one had a 16q24.3 microdeletion. According to the ACMG guidelines, all mutations were classified as pathogenic. The c.2454dup (p.Asn819fs*1) mutation in Pt 4 was reported previously. The remaining variants (c.397 + 1G>A, c.226 + 1G>A, c.2647del (p.Glu883Argfs*94), and c.4093C>T (p.Arg1365Ter)) were novel. Conclusion The clinical and molecular features of eight patients from seven unrelated Korean families with KBG syndrome described here will assist physicians in understanding this rare genetic condition.

Abstract Background Neurofibromatosis type 1 (NF1) is a common human genetic disease with age-dependent phenotype progression. The overview of clinical and radiological findings evaluated by whole-body magnetic resonance imaging (WBMRI) in NF1 patients 3 cm in diameter, disfigurement, accompanying pain, bony destruction, or located para-aortic area), brain tumors, nerve root tumors, malignant peripheral nerve sheath tumors, moyamoya disease, and bony dysplasia were included. Results The age at WBMRI was 1.6 ± 0.7 years old, and NF1 mutations were found in 66 patients (94.3%). Focal areas of signal intensity (FASI) were the most common WBMRI finding (66.1%), followed by optic pathway glioma (15.7%), spine dural ectasia (12.9%), and plexiform neurofibromas (10.0%). Plexiform neurofibromas and NF1+ were more prevalent in familial case (28.7% vs 5.7%, p = 0.030; 71.4% vs 30.2%, p = 0.011). Follow-up WBMRI was conducted in 42 patients (23 girls and 19 boys) after 1.21 ± 0.50 years. FASI and radiologic progression were more frequent in patients with mutations involving GTPase activating protein-related domain (77.8% vs 52.4%, p = 0.047; 46.2% vs 7.7%, p = 0.029). Conclusions WBMRI provides important information for the clinical care for young pediatric NF1 patients. As NF1 progresses in even these young patients, and is related to family history and the affected NF1 domains, serial evaluation with WBMRI should be assessed based on the clinical and genetic features for the patients’ best care.

Abstract Background The switch/sucrose nonfermenting (SWI/SNF) complex is an adenosine triphosphate-dependent chromatin-remodeling complex associated with the regulation of DNA accessibility. Germline mutations in the components of the SWI/SNF complex are related to human developmental disorders, including the Coffin–Siris syndrome (CSS), Nicolaides–Baraitser syndrome (NCBRS), and nonsyndromic intellectual disability. These disorders are collectively referred to as SWI/SNF complex-related intellectual disability disorders (SSRIDDs). Methods Whole-exome sequencing was performed in 564 Korean patients with neurodevelopmental disorders. Twelve patients with SSRIDDs (2.1%) were identified and their medical records were retrospectively analyzed. Results ARID1B, found in eight patients, was the most frequently altered gene. Four patients harbored pathogenic variants in SMARCA4, SMARCB1, ARID2, and SMARCA2. Ten patients were diagnosed with CSS, and one patient without a typical phenotype was diagnosed with ARID1B-related nonsyndromic intellectual disability. Another patient harboring the SMARCA2 pathogenic variant was diagnosed with NCBRS. All pathogenic variants in ARID1B were truncating, whereas variants in SMARCA2, SMARCB1, and SMARCA4 were nontruncating (missense). Frequently observed phenotypes were thick eyebrows (10/12), hypertrichosis (8/12), coarse face (8/12), thick lips (8/12), and long eyelashes (8/12). Developmental delay was observed in all patients, and profound speech delay was also characteristic. Agenesis or hypoplasia of the corpus callosum was observed in half of the patients (6/12). Conclusions SSRIDDs have a broad disease spectrum, including NCBRS, CSS, and ARID1B-related nonsyndromic intellectual disability. Thus, SSRIDDs should be considered as a small but important cause of human developmental disorders.

Longitudinal item response data often exhibit two types of measurement noninvariance: the noninvariance of item parameters between subject groups and that of item parameters across multiple time points. This study proposes a comprehensive approach to the simultaneous modeling of both types of measurement noninvariance in terms of longitudinal item response modeling while incorporating a latent growth curve model. The growth curve model represents the growth trajectory using initial status and (non)linear change over multiple time points. In addition, this study investigates the impact of measurement noninvariance across time points and subject groups in the examination of group differences in growth over multiple time points. To demonstrate the efficacy of the proposed model, an empirical application to large-scale longitudinal survey data is provided, along with the results of a simulation study.

Privatisation and commercialisation in education encompass a range of interrelated practices, including the outsourcing of educational services as well as increased reliance on commercially produced resources for the delivery of learning and assessment. An increase in these practices has accompanied the shift from centralised systemic management of schools and specific programs like English as an Additional Language/ Dialect (EAL/D), to school autonomy whereby principals control budget expenditure decisions, ostensibly in response to the needs of their school population. The intersection between school autonomy, commercialisation and delivery of the specialised service of EAL/D is the focus of this paper. This paper presents the findings of a survey with EAL/D teachers in Australia, in relation to the extent to which they are experiencing commercialisation and the impact this is having on the delivery of a longstanding service designed to ensure equity of outcomes for English language learners. The data suggests that the use of commercial products in schools may not be aligned with appropriate educational practices which target language learning needs. There is a strong need for further research in the uptake and use of commercial products for specialist language support. This will elucidate the extent to which EAL/D as a specialisation is being impacted by the use of commercial products both in the appropriacy of the products and in the deprofessionalisation of specialist EAL/D teachers.

MPV17-related hepatocerebral mitochondrial DNA depletion syndrome (MDS) is a very rare condition, and only a few cases have been reported in East Asian countries. Here, we describe four Korean children affected by hepatocerebral MDS. The DGUOK, POLG1, and MPV17 genes were analyzed, and all patients had MPV17 mutations.

Joining the tide of global internationalisation of higher education, Chinese universities have embraced English-medium instruction (EMI) as a strategic response. The adoption of EMI is to comply with government mandates and for institutional survival, as it will increase the international ranking and bring in more income from international students. The switch of medium of instruction and pedagogical issues arising therefrom have drawn considerable scholarly attention. However, little attention has been paid to the implementation of EMI in second- or mid-tier universities, and, particularly, to the attendant pedagogical issues. In comparison to top-tier universities, second-tier universities' instructors must deal with amplified tensions created between the pedagogical needs and institutional requirements brought by the EMI policy. This study seeks to shed light on the challenges, and their contributing factors, confronted by educators in these universities. Employing a language policy analysis framework informed by policy enactment theory, the research draws upon an examination of both national and institutional policy documents, as well as interviews conducted with nine educators and administrative leaders across three distinct faculties. The investigation reveals that the emergent challenges in implementing EMI stem from several sources, including lax admission standards for international students and the divergent backgrounds and requirements of local versus international student populations. These findings underscore the imperative for a thorough appraisal of contextual nuances before the formulation and implementation of language-in-education policies. This is particularly salient in second-tier academic institutions, which often grapple with limited resources and may not possess the same level of preparedness to adapt their systems as swiftly as their more resourced counterparts.

Purpose: This study examines the management practices and alignment features needed to develop academic staff's careers, mainly focusing on teaching competencies in the evolving landscape of Cambodian public universities. Design/methodology/approach: A multiple-case research design was adopted to collect data from interviews with 11 academic leaders and focus-group discussions (FGDs) with 13 academic teachers at two public universities in provincial Cambodia. A thematic approach was performed to code and analyse data to address the research questions. Findings: This study found that the management of academic careers in the selected universities was hybrid, deregulating state control to relative institutional autonomy for contracted employees but rather centralised management for civil servants. However, weak institutional leadership and negligence in formulating comprehensive institutional guidelines for strategic human resource management (HRM) have caused misalignments of management practices to develop academic careers in the studied contexts. Research limitations/implications: This case study limits its findings to two universities in provincial Cambodia. Nevertheless, this study adds to the scarce literature on the research topic in Cambodian public universities and opens a path for cross-institutional and national comparative studies on similar foci. Originality/value: This is a ground-breaking study set in the evolving space of Cambodian public higher education, where attention to the research area remains limited.

While public consultation is a signature process of democratic policy formulation, many governments manoeuvre to refract citizen's opinions or conduct it perfunctorily. Using the case of a medium of instruction policy in Hong Kong, this article unveils the strategies that the state and citizens employ to put their opinion through to the final policy text, during a public consultation process. Recent literature has identified the mechanisms through which individual actors or organisations contribute to broad policy agenda-setting or policy programme development. However, yet to be investigated is how they -- sometimes with conflicting interests -- collectively negotiate a policy with the state via public consultations. This paper investigates this very phenomenon, building on previous work conducted in the public policy field, analysing 51 government-generated documents through both thematic content analysis and critical discourse analysis. The paper uncovers four strategies adopted by administrations ("non-commitment," "case closure," "disengagement for irrelevance," and "placation") to evade citizens' equity-oriented demands and stakeholders' three counter strategies ("mobilising" other stakeholders into a coalition, "reopening the case" pointing out a new problem, and "appealing" by affirming relevance). The state's discrete refusals and stakeholders' conjoint reengagement tactics draw our attention to the complexity and subtlety involved in negotiation via public consultations.

Background: Liver fibrosis is a common outcome of chronic liver disease and is primarily driven by hepatic stellate cell (HSC) activation. Irisin, a myokine released during physical exercise, is beneficial for metabolic disorders and mitochondrial dysfunction. This study aimed to explore the effects of irisin on liver fibrosis in HSCs, a bile duct ligation (BDL) mouse model, and the associated mitochondrial dysfunction. Methods: In vitro experiments utilized LX-2 cells, a human HSC line, stimulated with transforming growth factor-β1 (TGF-β1), a major regulator of HSC fibrosis, with or without irisin. Mitochondrial function was assessed using mitochondrial fission markers, transmission electron microscopy, mitochondrial membrane potential, and adenosine triphosphate (ATP) production. In vivo, liver fibrosis was induced in mice via BDL, followed by daily intraperitoneal injections of irisin (100 µg/kg/day) for 10 days. Results: In vitro, irisin mitigated HSC activation and reduced reactive oxygen species associated with the TGF-β1/Smad signaling pathway. Irisin restored TGF-β1-induced increases in fission markers (Fis1, p-DRP1) and reversed the decreased expression of TFAM and SIRT3. Additionally, irisin restored mitochondrial membrane potential and ATP production lowered by TGF-β1 treatment. In vivo, irisin ameliorated the elevated liver-to-body weight ratio induced by BDL and alleviated liver fibrosis, as evidenced by Masson's trichrome staining. Irisin also improved mitochondrial dysfunction induced by BDL surgery. Conclusion: Irisin effectively attenuated HSC activation, ameliorated liver fibrosis in BDL mice, and improved associated mitochondrial dysfunction. These findings highlight the therapeutic potential of irisin for the treatment of liver fibrosis. [ABSTRACT FROM AUTHOR]

Background/Aim: Pleomorphic high-grade squamous intraepithelial lesions (PHSILs) of the uterine cervix are characterized by strikingly pleomorphic and enlarged nuclei with brisk mitotic activity. The aim of this study was to analyze the clinical outcomes of patients with PHSIL. Patients and Methods: Clinical data were collected from the electronic medical records of 44 patients with PHSIL. Results: The patients' mean age was 52.1 years. The initial cytological diagnosis was HSIL in 43.2% of patients. High-risk human papillomavirus was detected in 89.5% of patients. The human papillomavirus type was not predominated by one specific type. The patients were treated with conization alone or with conization with subsequent hysterectomy. Two cases of squamous cell carcinoma coexisting with PHSIL, and one case of adenoid basal carcinoma were detected among the surgical specimens. Follow-up cytology revealed negative results for intraepithelial lesions in all patients, except for one patient who experienced recurrent PHSIL 41 months after hysterectomy and underwent laser ablation. Conclusion: The incidence rates of concurrent squamous cell carcinoma (4.5%) and recurrence (2.3%) in our PHSIL cohort were lower than those previously reported in patients with conventional HSIL. Our findings suggest that pleomorphic nuclear change alone in PHSIL was not associated with worse clinical outcomes than conventional HSIL and support the notion that PHSIL does not require more aggressive clinical management than conventional HSIL. However, close follow-up with cytological examination may be necessary to determine the potential risk of recurrence. [ABSTRACT FROM AUTHOR]

Background: Phosphatidylinositol 3-kinase (PI3K) regulates cellular development and energy homeostasis. However, the roles of its subunits in organ development remain largely unknown. Methods: We explored the roles of PI3K catalytic subunits in steroidogenic factor 1 (SF1)-expressing cells through knockout (KO) of the p110α and p110β subunits. Results: We examined mice with a double KO of p110α and p110β in SF1-expressing cells (p110αβ KOSF1). Although these animals exhibited no significant changes in the development of the ventromedial hypothalamus, we noted pronounced hypotrophy in the adrenal cortex, testis, and ovary. Additionally, corticosterone and aldosterone levels were significantly reduced. The absence of these subunits also resulted in decreased body weight and survival rate, along with impaired glucose homeostasis, in p110αβ KOSF1 mice. Conclusion: The data demonstrate the specific roles of PI3K catalytic subunits in the development and function of SF1-expressing organs. [ABSTRACT FROM AUTHOR]

Background: Identifying risk factors for postpartum type 2 diabetes in women with gestational diabetes mellitus (GDM) is crucial for effective interventions. We examined whether changes in insulin sensitivity after delivery affects the risk of type 2 diabetes in women with GDM. Methods: This prospective cohort study included 347 women with GDM or gestational impaired glucose tolerance, who attended the follow-up visits at 2 months postpartum and annually thereafter. Changes in insulin sensitivity were calculated using the Matsuda index at GDM diagnosis and at 2 months postpartum (ΔMatsuda index). After excluding women with pregestational diabetes or those followed up only once, we analyzed the risk of postpartum type 2 diabetes based on the ΔMatsuda index tertiles. Results: The incidence of type 2 diabetes at the two-month postpartum visit decreased with increasing ΔMatsuda index tertiles (16.4%, 9.5%, and 1.8%, P=0.001). During a 4.1-year follow-up, 26 out of 230 women who attended more than two follow-up visits (11.3%) developed type 2 diabetes. Compared to the lowest tertile, subjects in the highest ΔMatsuda index tertile showed a significantly reduced risk of type 2 diabetes (hazard ratio, 0.33; 95% confidence interval, 0.12 to 0.93; P=0.036) after adjusting for confounders. Conclusion: Improvement in insulin sensitivity after delivery is associated with a reduced risk of postpartum type 2 diabetes in women with GDM. Postpartum changes in insulin sensitivity could be a useful prediction for future type 2 diabetes development in women with GDM. [ABSTRACT FROM AUTHOR]

Objective: A beneficial effect on endometrial thickness (EMT) and improvement of pregnancy outcome after intrauterine infusion of platelet-rich plasma (PRP) has been suggested. This study assessed the effect of intrauterine PRP infusion on live birth rate and obstetrical outcomes and analyzed cytokines that can potentially improve pregnancy outcomes through PRP. Method: This study was a prospective cohort study conducted in a university hospital fertility center. The study included ninety-one patients who had a history of two or more failed in vitro fertilization (IVF) attempts and refractory thin endometrium that remained unresponsive after at least two conventional treatments for thin endometrium. Patients were treated with an intrauterine infusion of autologous PRP between days 7 and 14 of their hormone replacement therapy-frozen embryo transfer (HRT-FET) cycle. PRP was administered at 3-day intervals until their EMT reached 7mm. After a maximum of three PRP administrations, embryo transfer (ET) was performed. The primary outcome was the live birth rate. Secondary outcomes included the implantation rate and increase in EMT compared to the previous cycle. We compared the cytokines related to angiogenesis in a patient's whole blood (WB) and PRP by utilizing a commercial screening kit. Results: The live birth rate in the PRP treatment cycle was 20.9% (19 of 91 patients), significantly superior to the previous cycle without PRP infusion (p < 0.001). The implantation rate was also significantly higher during the PRP treatment cycle (16.4%) compared to the previous cycle (3.1%) (p < 0.001). The mean EMT post-PRP treatment was 6.1 mm, showing a significant increase of 0.8 mm (p < 0.001). Nonetheless, an increase in EMT was also observed in the non-pregnancy group. No adverse effects were reported by patients treated with autologous PRP. Cytokine array analysis confirmed marked increases in well-known pro-angiogenic factors such as Ang-1, EGF, LAP (TGF-b1), MMP-8, PDGF-AA, and PDGF-AB/PDGF-BB. Conclusion: Intrauterine PRP infusion offers a safe and effective treatment for patients with refractory thin endometrium and implantation failures. The angiogenic cytokines present in PRP are the primary drivers of this improvement. [ABSTRACT FROM AUTHOR]

Populus × tomentiglandulosa (PT), a tree endemic to Korea, shows promising potential as a natural therapeutic agent owing to its potent anti-inflammatory properties. However, the isolation and analysis of phytochemical compounds in PT and related species remains underexplored. Therefore, this study aims to investigate the biochemical profile of PT and evaluate its extracts and fractions for anti-inflammatory activities. Nine compounds were isolated, including two novel flavonoids (luteolin 7-O-ß-D-glucuronide butyl ester and chrysoeriol 7-O-ß-Dglucuronide butyl ester) from the Salicaceae family for the first time. The ethyl acetate fraction exhibited significant radical scavenging activity against various radicals, including DPPH, ABTS+, •OH, and O2 - radicals. PT extracts and the ethyl acetate fraction showed minimal cytotoxicity in Raw 264.7 macrophages at concentrations below 500 and 100 µg/mL, respectively. Furthermore, PT extracts and fractions significantly suppressed the protein expression of proinflammatory mediators (iNOS and IL-6) in LPS-stimulated Raw 264.7 macrophages, highlighting their potent anti-inflammatory effects. These findings suggest that PT holds promise as a valuable natural therapeutic intervention for various oxidative stress and inflammation-related disorders, underscoring the need for further exploration of its clinical applications. [ABSTRACT FROM AUTHOR]

Introduction: While abnormal responses to threat, including overgeneralization to conditioned fear, have been postulated to play a critical role in pathological anxiety, the relevance of previous findings to social anxiety disorder (SAD) is unclear. We investigated conditioned and generalized fear responses in patients with SAD using socially relevant stimuli. Methods: A total of 26 patients with SAD and 25 healthy controls participated in a fear conditioning and generalization paradigm consisting of two neutral faces as conditioned stimuli (CS+ or CS-) and an angry face with contemptuous comments as unconditioned stimuli. Eight morphed faces of two conditioned stimuli in each continuum were given to test generalization. Behavioral data and physiological responses were acquired. Results: Successful conditioning was observed in the risk ratings for both groups, while only a marginal indication of conditioning was noted in physiological measures. During the generalization phase, patients rated the risk higher than CS-when the stimuli close to CS- contained a portion of CS+ features. Larger skin conductance responses to this stimulus were linked to higher fear of negative evaluation. In addition, patients spent a longer time evaluating safe and ambiguous stimuli than healthy controls and exhibited consistently high levels of subjective arousal. Discussion: Taken together, our findings suggest that SAD patients may exhibit a tendency towards overgeneralization of fear responses and show distinct patterns in processing generalized threat stimuli compared to healthy controls. Even though overgeneralization was not evident in physiological measures, it is necessary to consider this behavioral characteristic in the clinical management of patients with SAD. [ABSTRACT FROM AUTHOR]

In this study, single hole blasts in jointed and unjointed rock plates were simulated using the distinct element code 3DEC. The key of the simulations was to capture the features of brittle failure. To this end, fictitious joints were integrated into two 3DEC rock blasting models. The Coulomb slip model with a newly defined stiffness was applied to the fictitious joints. Additionally, the concept of equivalent cavity was used to prevent element distortions due to high explosion pressure. The verification of the numerical models was done by comparison with small-scale physical model tests. The simulation results revealed clear evidences of brittle failure of the rock plates, without any element distortion. [ABSTRACT FROM AUTHOR]