1.Anti-obesity effects of Withania somnifera and Chrysanthemum zawadskii Herbich var. latilobum(Maxim.) Kitamura by regulating lipid metabolism and insulin signaling in 3T3-L1 adipocytes
Seong-Hoo PARK ; Yejin HA ; Eunhee YOO ; Jaeeun JUNG ; Mi-Ryeong PARK ; Soyoung KIM ; Jong-Lae KIM ; Jong Wook LEE ; Minhee LEE ; Ok-Kyung KIM
Nutrition Research and Practice 2026;20(1):3-15
BACKGROUND/OBJECTIVES:
Obesity is a complex metabolic disorder characterized by excessive adipose tissue accumulation, dysregulated lipid metabolism, and insulin resistance, leading to an increased risk of metabolic disease. While Withania somnifera (AS) and Chrysanthemum zawadskii Herbich var. latilobum (Maxim.) Kitamura (C) have traditionally been used for their metabolic regulatory properties, their combined effects on adipogenesis, lipogenesis, lipolysis, and insulin signaling remain unexplored. Therefore, this study aimed to evaluate the anti-obesity effects of AS, C, and their optimal combination (ASC) in 3T3-L1 adipocytes by investigating their impact on lipid metabolism and glucose homeostasis.MATERIALS/METHODS: Following adipogenic differentiation, 3T3-L1 adipocytes were treated with AS, C, and ASC at different concentrations.
RESULTS:
AS, C, and ASC significantly inhibited adipogenesis by downregulating cyclic adenosine monophosphate (cAMP) response element-binding protein, peroxisome proliferator-activated receptor gamma, CCAAT/enhancer-binding proteins alpha and beta phosphorylation, thereby reducing lipid accumulation in adipocytes. They also suppressed lipogenesis by downregulating the expression of dephosphorylated acetyl-CoA carboxylase, fatty acid synthase, and lipoprotein lipase. In contrast, they markedly enhanced lipolysis, as evidenced by increased hormone-sensitive lipase and protein kinase A expression, along with elevated glycerol release and cAMP levels. Furthermore, AS, C, and ASC activated energy metabolism pathways, as indicated by the upregulation of AMP-activated protein kinase, uncoupling protein 1, and carnitine palmitoyltransferase 1A, suggesting a transition toward enhanced mitochondrial fatty acid oxidation. Notably, AS, C, and ASC significantly improved insulin signaling by restoring insulin receptor substrate 1, phosphoinositide 3-kinase, and Akt phosphorylation, while upregulating glucose transporter type 4 expression, indicating enhanced glucose uptake. Among all treatments, ASC showed relatively greater efficacy compared to AS or C alone, suggesting a potential additive effect.
CONCLUSION
These findings demonstrate that ASC effectively modulates multiple metabolic pathways in adipocytes, including adipogenesis, lipogenesis, lipolysis, energy metabolism, and insulin signaling, to exert its anti-obesity effects.
2.Emotional eating and cardiometabolic health: mechanisms, evidence, and clinical implications
Hye-Ryeong JEON ; Bumjo OH ; Hun-Sung KIM
Cardiovascular Prevention and Pharmacotherapy 2026;8(1):16-22
Obesity is a major global health issue and a leading contributor to cardiovascular disease (CVD). While traditional research has emphasized diet and physical inactivity, psychological factors, particularly emotional eating, are increasingly recognized as important contributors to metabolic and cardiovascular health. Emotional eating, defined as eating in response to negative emotions, represents a maladaptive coping mechanism that promotes excessive caloric intake, visceral fat accumulation, and metabolic dysregulation. Chronic stress activates the hypothalamic-pituitary-adrenal axis, leading to increased cortisol secretion and appetite, while recurrent emotional eating behaviors reinforce this biological pathway and contribute to insulin resistance, dyslipidemia, hypertension, and systemic inflammation. Together, these mechanisms link psychological stress to cardiometabolic dysfunction and ultimately to increased CVD risk. Although direct evidence linking emotional eating to clinical CVD outcomes remains limited, accumulating evidence supports its role as a behavioral mediator connecting psychological stress, metabolic abnormalities, and cardiovascular risk. Effective management of emotional eating requires an integrated approach that combines cognitive behavioral therapy, mindfulness-based strategies, stress management, healthy lifestyle modification, and pharmacological treatment for obesity when indicated. Recognizing emotional eating as a modifiable behavioral risk factor may open new opportunities for early prevention and holistic management of CVD.
3.A Review of Task-Based Functional Magnetic Resonance Imaging Paradigms in Major Depressive Disorder: Probing Executive Function, Negative Bias, and Reward Processing
Yeong Eun KIM ; Hye Ryeong LIM ; Taekwan LEE
Investigative Magnetic Resonance Imaging 2026;30(1):1-10
Major depressive disorder (MDD) is a psychiatric disorder that leads to reduced quality of life and poses a significant societal burden; however, its diagnosis still relies on subjective evaluation. Consequently, task-based functional magnetic resonance imaging (fMRI) has emerged as a crucial tool for exploring the neurobiological mechanisms of MDD and identifying objective biomarkers. This review systematically examines fMRI studies on cognitive dysfunction in patients with MDD, summarizing the representative tasks and associated functional abnormalities in neural circuits across three core domains: executive function, negative bias, and reward processing. Deficits in executive function manifest as inefficiency in the fronto-parietal network and failure to suppress the default mode network during n-back and Stroop tasks. Negative bias was identified through the Self-Referent Encoding Task and Autobiographical Memory Test, revealing hyperactivity in bottom-up emotional responses and failure of top-down regulation. In the domain of reward processing, studies using Monetary Incentive Delay and reinforcement learning tasks have consistently reported that blunted reward prediction error signals and hypoactivation of the thalamo-striatal-prefrontal circuitry are associated with anhedonia. By integrating these findings from task-based fMRI research, this review aimed to define the neurocognitive characteristics that distinguish MDD and provide practical guidance for future studies.
4.Fear of Cancer Recurrence and Unmet Needs in Triple Negative Breast Cancer Survivors
Asian Oncology Nursing 2024;24(3):125-134
Purpose:
This study aimed to explore the fear of cancer recurrence and unmet needs in triple negative breast cancer survivors.
Methods:
A cross-sectional descriptive design was used for this study. Data were collected from 331 triple negative breast cancer survivors using Fear of Cancer Recurrence Inventory (FCRI) and the Comprehensive Needs Assessment Tool in cancer (CNAT). In addition, descriptive statistics, a t-test, and one-way ANOVA were used for analysis.
Results:
Among triple-negative breast cancer survivors, 92.7% experienced fear of cancer recurrence, and 59.2% reported a severe fear of recurrence. The severity of fear of cancer recurrence differed significantly according to monthly household income (t=2.25, p=.025), cancer stage (F=4.26, p=.006), and recurrence history (t=-3.79, p<.001). Unmet needs were notably high, particularly in information and psychological problems. Furthermore, there were differences in unmet needs depending on the severity level of fear of cancer recurrence.
Conclusion
Most triple-negative breast cancer survivors experience fear of cancer recurrence, but management was found to be inadequate. Therefore, nursing interventions are needed to alleviate this fear. Additionally, unmet needs vary depending on the severity of the fear of cancer recurrence. It will be necessary to assess the fear of cancer recurrence among triple-negative breast cancer survivors and manage unmet needs according to its severity.
5.Indole Derivatives and a Diketopiperazine from Chromobacterium violaceum
Hye Ryeong KIM ; Gyu Sung LEE ; InWha PARK ; Chung Sub KIM
Natural Product Sciences 2024;30(2):130-134
Three indole derivatives (1–3) and a diketopiperazine (4) were isolated from the ethyl acetate extract of Chromobacterium violaceum. Their structures were elucidated based on the analysis of NMR and HR-MS data and by comparing those in the previous literature. The antibacterial activities of the isolated compounds were evaluated against Gram-positive bacteria, including human pathogenic methicillin-resistant Staphylococcus aureus (MRSA), Lacticaseibacillus paracasei subsp. paracasei, and Brevibacterium epidermidis. Compound 1 exhibited moderate antibacterial activity against all the three strains with MIC values ranging from 8.58 to 34.3 μg/mL.
6.Skin protective effect of Indian gooseberry and barley sprout complex on skin dryness, wrinkles, and melanogenesis by cell models
Minhee LEE ; Dakyung KIM ; Mi-Ryeong PARK ; Soyoung KIM ; Jong-Lae KIM ; Ok-Kyung KIM ; Jeongmin LEE
Nutrition Research and Practice 2024;18(5):587-601
BACKGROUND/OBJECTIVES:
UV radiation is a major factor contributing to DNA damage in skin cells, including stem cells and mesenchymal stem cells, leading to the depletion of these crucial cells. This study examined whether a mixture of Indian gooseberry and barley sprout (IB) could inhibit UVB irradiation and 3-isobutyl-1-methylxanthine (IBMX)-induced photoaging and oxidative stress in the skin using HaCaT, Hs27, and B16F10 cells.MATERIALS/METHODS: The moisturizing-related factors, the collagen synthesis-related c-Jun N-terminal kinase (JNK)/c-Fos/c-Jun/matrix metalloproteinases (MMPs) pathway, and the melanogenesis-related cyclic adenosine monophosphate (cAMP)/protein kinase A (PKA)/cAMP-responsive binding protein (CREB)/melanocyte inducing transcription factor (MITF)/tyrosinase-related protein (TRP)/tyrosinase activation pathways were analyzed in vitro by an enzyme-linked immunosorbent assay, real-time polymerase chain reaction, and Western blot analysis.
RESULTS:
The IB complex increased the hyaluronic acid and sphingomyelin levels and the collagenase inhibitory activity, enhanced hydration-related factors, including collagen, hyaluronic acid synthase (HAS), elastin, long chain base subunit 1 (LCB1) (serine palmitoyltransferase; SPT), and delta 4-desaturase sphingolipid 1 (DEGS1), modulated the inflammatory cytokines levels, antioxidant enzyme activities and the NF-κB/MMPs/cyclooxygenase-2 (COX-2) pathway in UVB-irradiated HaCaT cells, and inhibited wrinkle formation by down-regulation of the JNK/c-Fos/c-Jun/MMP pathway and up-regulation of the transforming growth factor-β receptor I (TGFβR1)/small mothers against decapentaplegic homolog (Smad3)/procollagen type I pathway in UVB-irradiated Hs27 cells. Moreover, the IB complex prevented melanin production by down-regulating the PKA/CREB/MITF/TRP-1/TRP-2 pathway in IBMX-induced B16F10 cells.
CONCLUSION
These findings suggest that the IB complex has the potential to serve as a safeguard, shielding the skin from UVB radiation-induced photo-damage.
7.Association Between Receipt of General Anesthesia During Childhood and Attention Deficit Hyperactive Disorder and Neurodevelopment
Joo Young SONG ; Hye Ryeong CHA ; Seung Won LEE ; Eun Kyo HA ; Ju Hee KIM ; Man Yong HAN
Journal of Korean Medical Science 2023;38(6):e42-
Background:
There are inconsistent reports regarding the association between general anesthesia and adverse neurodevelopmental and behavioral disorders in children.
Methods:
This nationwide administrative cohort study included children born in Korea between 2008 and 2009, and followed until December 31, 2017. The cohort included 93,717 participants who received general anesthesia with endotracheal intubation (ETI) who were matched to unexposed subjects in a 1:1 ratio. General anesthesia was defined by National Health Insurance Service treatment codes with intratracheal anesthesia, and the index date was the first event of general anesthesia. The primary outcome was attention deficit hyperactive disorder (ADHD), which was defined as at least a principal diagnosis of 10th revision of the International Classification of Diseases code F90.X after the age of 72 months.Neurodevelopment, which was assessed using a developmental screening test (Korean-Ages and Stages Questionnaire [K-ASQ]), was a secondary outcome. The K-ASQ is performed annually from 1 to 6 years of age and consists of 5 domains. The association between general anesthesia and ADHD was estimated using a Cox hazard model, and its association with neurodevelopment was estimated using a generalized estimation equation, with control for multiple risk factors beyond 1 year after the index date.
Results:
The median age at the index date was 3.8 (95% confidence interval [CI], 1.7–5.8) years, and there were 57,625 (61.5%) men. During a mean follow-up period of 5 years, the incidence rate of ADHD was 42.6 and 27.7 per 10,000 person-years (PY) in the exposed and unexposed groups, respectively (absolute rate difference 14.9 [95% CI, 12.5–17.3] per 10,000 PY). Compared to the unexposed group, the exposed group had an increased risk of ADHD (adjusted hazard ratio, 1.41 [95% CI, 1.30–1.52]). In addition, a longer duration of anesthesia with ETI and more general anesthesia procedures with ETI were associated with greater risk of ADHD. General anesthesia with ETI was also associated with poorer results in the K-ASQ.
Conclusion
Administration of general anesthesia with ETI to children is associated with an increased risk of ADHD and poor results in a neurodevelopmental screening test.
8.Effectiveness of Self-Assessment, TAilored Information, and Lifestyle Management for Cancer Patients’ Returning to Work (START): A Multi-center, Randomized Controlled Trial
Danbee KANG ; Ka Ryeong BAE ; Yeojin AHN ; Nayeon KIM ; Seok Jin NAM ; Jeong Eon LEE ; Se Kyung LEE ; Young Mog SHIM ; Dong Hyun SINN ; Seung Yeop OH ; Mison CHUN ; Jaesung HEO ; Juhee CHO
Cancer Research and Treatment 2023;55(2):419-428
Purpose:
We developed a comprehensive return to work (RTW) intervention covering physical, psycho-social and practical issues for patients newly diagnosed and evaluated its efficacy in terms of RTW.
Materials and Methods:
A multi-center randomized controlled trial was done to evaluate the efficacy of the intervention conducted at two university-based cancer centers in Korea. The intervention program comprised educational material at diagnosis, a face-to-face educational session at completion of active treatment, and three individualized telephone counseling sessions. The control group received other education at enrollment.
Results:
At 1-month post-intervention (T2), the intervention group was more likely to be working compared to the control group after controlling working status at diagnosis (65.4% vs. 55.9%, p=0.037). Among patients who did not work at baseline, the intervention group was 1.99-times more likely to be working at T2. The mean of knowledge score was higher in the intervention group compared to the control group (7.4 vs. 6.8, p=0.029). At the 1-year follow-up, the intervention group was 65% (95% confidence interval, 0.78 to 3.48) more likely to have higher odds for having work.
Conclusion
The intervention improved work-related knowledge and was effective in facilitating cancer patients’ RTW.
9.A Case of de novo MPO-associated Central Nervous System Vasculitis Following Heterogeneous mRNA1273 COVID-19 Booster Vaccination
Young Seok JEONG ; Sung Jo BANG ; Geun Yeong KIM ; Jae Ho JEON ; Gi Ryeong OH ; Chong Hyuk CHUNG ; Hyungjong PARK
Journal of the Korean Neurological Association 2023;41(2):145-148
The coronavirus disease-19 (COVID-19) pandemic leaded to inevitable expeditious vaccine rollout without sufficient safety profile. Especially, severe acute respiratory syndrome coronavirus 2 infection has known to induce overreacted immune responses such as releasing of proteinase-3 and myeloperoxidase (MPO) by neutrophil. This overreacted immune response leads to the concern of the development of autoimmune diseases after COVID-19 vaccination. We report the case of de novo MPO-associated systemic vasculitis involving central nervous system following heterogeneous mRNA1273 COVID-19 booster vaccination.
10.A Korean case of CTCF related neurodevelopmental disorders
Seong Ryeong KANG ; Soo Hyun SEO ; Kyunghoon KIM ; Hee Bum YANG ; Hye Ran YANG ; Anna CHO
Journal of Genetic Medicine 2023;20(2):70-74
CCCTC-binding factor (CTCF) is a transcriptional regulator that binds to a complex DNA motif in various orientations and plays a crucial role in regulating gene expression, chromatin restructuring, and developmental processes. Mutations in the CTCF are associated with neurodevelopmental disorders. Here we report the first Korean case with a de novo heterozygous variant in the CTCF (c.1025G>A; p.Arg342His). She showed global developmental delay, failure to thrive, and dysmorphic face, which are phenotypes consistent with previous reports in the autosomal dominant intellectual developmental disorder 21 (MIM 615502). She also showed clinical features not previously reported, such as antral web and tracheobronchomalacia.Our case follows suit and expands understanding of this rare disorder by reporting common features and, on the other hand, unreported concomitant congenital anomalies.

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