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Minha Hong,Young Sik Lee,Bongseog Kim,Yoo Sook Joung,Hanik K Yoo,Eui-Jung Kim,Soyoung Irene Lee,Soo Young Bhang,Seung Yup Lee,Doughyun Han,Geon Ho Bahn 대한소아청소년정신의학회 2019 소아청소년정신의학 Vol.30 No.3
Objectives: This study was conducted to re-validate the clinical efficacy of the Korean Adult Attention-Deficit/Hyperactivity Disorder (ADHD) Rating Scale (K-AARS), which is a self-report scale for ADHD in adults, and to determine the clinical utility and cut-off scores of K-AARS. Methods: The participants were 135 drug naïve adults with ADHD and 144 healthy controls. To diagnose ADHD based on the diagnostic criteria of the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition, two board-certified pediatric psychiatrists interviewed the participants and completed the Mini International Neuropsychiatric Interview. K-AARS was applied to all participants. K-AARS comprises six clinical subscales, one impairment subscale, and one driving behavior subscale. The receiver operating characteristic analysis was conducted to calculate the cut-off scores of K-AARS. Results: All subscale scores, including six clinical subscale, impairment subscale, and driving behavior subscale scores, were found to be significant in distinguishing adults with ADHD from healthy controls. The sensitivity and specificity of the six clinical subscales were 63.0–77.0% and 66.7–79.9%, respectively. The combined total score of the six clinical subscales, had a sensitivity of 80.0% and specificity of 79.9%. Conclusion: The discriminative power of K-AARS for the diagnosis of ADHD in adults was excellent, and K-AARS and the empirical diagnosis of adults can be useful in diagnosing ADHD in adulthood.
Minha Hong,Seung-Yup Lee,Young Sik Lee,Bongseog Kim,Yoo Sook Joung,Hanik K Yoo,Eui-Jung Kim,Soyoung Irene Lee,Su-Bin Park,Soo-Young Bhang,Doughyun Han,Geon Ho Bahn 대한소아청소년정신의학회 2019 소아청소년정신의학 Vol.30 No.3
Objectives: Awareness of attention-deficit/hyperactivity disorder (ADHD) in adults has significantly increased; however, clinical data specific to the Korean population are insufficient. Clinical experience of ADHD may differ based on whether psychiatrists have received pediatric psychiatry-specific training. In order to prepare a practice parameter for adult ADHD patients in Korea, we examined questionnaire data to observe how pediatric psychiatry training could affect clinical practice for adults with ADHD. Methods: A questionnaire about the diagnosis and treatment process was distributed to both general psychiatrists (GPsy) and child and adolescent psychiatrists (CAP) at the summer and winter workshop meetings of Korean Academy of Child and Adolescent Psychiatry. Results: In total, 142 psychiatrists participated in the survey (86 GPsy, 56 CAP). GPsy and CAP preferred pharmacotherapy (GPsy 82.40%, CAP 64.30%) as the primary treatment option and answered that the clinical psychiatric interview is the most necessary step in diagnostic assessment (GPsy 22.16%, CAP 19.00%). The GPsy responded with an optimal and average treatment duration that was shorter than that reported by CAP. Conclusion: Identification of the initial presenting symptom as the correct diagnosis and the optimal duration of pharmacotherapy differed between GPsy and CAP in practice, whereas concepts in diagnosis and treatment of ADHD in adults were similar for both groups. These results suggest the urgent need for the Continuing Medical Education program for psychiatrists treating adults with ADHD.
Lee Sang Min,Lee Sang Min,Cha Jihyun,Hong Minha,Cha Jihyun,Hong Minha 대한신경정신의학회 2023 PSYCHIATRY INVESTIGATION Vol.20 No.2
Objective Research on neural correlates in the prefrontal cortex (PFC) associated with self-injurious behavior has mainly been performed in adults. However, studies on adolescents are scarce. We aimed to investigate the activation and connectivity of the PFC between adolescents with self-injurious behavior (ASI) and psychiatric controls (PC) using functional near-infrared spectroscopy (fNIRS).Methods We used an emotion recognition task during fNIRS to assess 37 adolescents (23 with self-injurious behavior and 14 PC) between June 2020 and October 2021 and compared connectivity and activation between the two groups. We also measured adverse childhood events (ACE, Adverse Childhood Experiences) and performed a correlation analysis of channel activation according to ACE total scores.Results The difference in activation between the groups was not statistically significant. The connectivity of channel 6 was statistically significant. The interaction between channel 6 and the ACE total score showed statistical significance between the two groups(t[33] -2.61; p=0.014). The ASI group showed a negative correlation with the total ACE score.Conclusion This is the first study to investigate PFC connectivity using fNIRS in ASI. It has the implication of a novel attempt with a practically useful tool to uncover neurobiological differences among Korean adolescents.
Dynamic Regulation of TLE3 Expression during Spermatogenesis in Mouse Testis
Sangho Lee,Sohyeon Moon,Minha Cho,Miseon Park,Boreum Song,Ok-Hee Lee,Hoon Jang,Kyung-Ah Lee,Sunghan Shim,Jung Jae Ko,Youngsok Choi 한국동물생명공학회(구 한국동물번식학회) 2017 Reproductive & Developmental Biology(Supplement) Vol.41 No.2
Spermatogenesis is the process of proliferation and differentiation of spermatogonial stem cells into adult spermatozoa within seminiferous tubules. Sperm cells undergo extensive epigenetic modifications during spermatogenesis. One of the epigenetic modifications, histone acetylation induces a loose chromatin structure and active transcription which facilitates binding of transcription factors at sperm chromosome. Therefore, histone acetylation is known to play an important role in spermatogenesis. However, factors involved in histone acetylation during spermatogenesis are not well known. We found a factor TLE3(Transducin Like Enhancer of Split 3). The transcriptional co-repressor TLE family is known to regulate histone acetylation by interacting with histone deacetylase( HDAC). We examined the expression level of TLE3 in various mouse tissues. As a result of RT-PCR, TLE3 showed significantly higher expression in testis than that in other tissues. Immunofluorescent and Immunohistochemical analysis revealed that TLE3 protein was located in sertoli cell and spermatid in seminiferous tubules of adult mouse testis. In addition, the differential regulation in TLE3 protein expression site was observed in the testis during postnatal development. We also analyzed the expression pattern of HDAC2, which is known to cooperate with TLE3. Both HDAC2 and TLE3 protein were detected in spermatogonial stem cells at one-weeks-old mouse, however, Their expression site were transferred to sertoli cell at six-weeks-old mouse. aken together, TLE3 may play a role in regulating histone acetylation via interaction with HDAC2 in the testis. Futher studies are needed to look into a relation between TLE3 and histone acetylation during spermatogenesis and postnatal development in testis.