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Drug induced liver injury: East versus West – a systematic review and meta-analysis
En Xian Sarah Low,Qishi Zheng,Edwin Chan,Seng Gee Lim 대한간학회 2020 Clinical and Molecular Hepatology(대한간학회지) Vol.26 No.2
Drug induced liver injury (DILI) may be different in the East compared to the West due to differing disease prevalence, prescribing patterns and pharmacogenetic profiles. To review existing literature on causative agents of DILI in the East compared to the West, a comprehensive literature search was performed on electronic databases: MEDLINE/PubMed, Embase, Cochrane Library and China National Knowledge Infrastructure without language restrictions. Studies which involve patients having DILI and reported the frequency of causative agents were included. A random effects model was applied to synthesize the current evidence using prevalence of class-specific and agent-specific causative drugs with 95% confidence intervals. Of 6,914 articles found, 12 showed the distribution of drugs implicated in DILI in the East with a total of 33,294 patients and 16 in the West with a total of 26,069 DILI cases. In the East, the most common agents by class were anti-tuberculosis drugs (26.6%), herbal and alternative medications (25.3%), and antibiotics (15.7%), while in the West, antibiotics (34.9%), cardiovascular agents (17.3%), and non-steroidal anti-inflammatory drugs (12.5%) were the commonest. For individual agents, the most common agents in the East were isoniazid-rifampicin-pyrazinamide (25.4%), phenytoin (3.5%), and cephalosporin (2.9%) while in the West, amoxicillin-potassium clavulanate combination acid (11.3%), nimesulide (6.3%), and ibuprofen (6.1%) were the commonest. There was significant heterogeneity due to variability in single-centre compared to multi-centre studies. Differences in DILI in the East versus the West both in drug classes and individual agents are important for clinicians to recognize.
Siti Zamratol-Mai Sarah Mukari,Cila Umat,Soon Chien Chan,Akmaliza Ali,Nashrah Maamor,Mohd Normani Zakaria 대한청각학회 2020 Journal of Audiology & Otology Vol.24 No.1
Background and Objectives: The cortical auditory evoked potential (CAEP) is a useful objective test for diagnosing hearing loss and auditory disorders. Prior to its clinical applications in the pediatric population, the possible influences of fundamental variables on the CAEP should be studied. The aim of the present study was to determine the effects of age and type of stimulus on the CAEP waveforms. Subjects and Methods: Thirty-five healthy Malaysian children aged 4 to 12 years participated in this repeated-measures study. The CAEP waveforms were recorded from each child using a 1 kHz tone burst and the speech syllable /ba/. Latencies and amplitudes of P1, N1, and P2 peaks were analyzed accordingly. Results: Significant negative correlations were found between age and speech-evoked CAEP latency for each peak (p< 0.05). However, no significant correlations were found between age and tone-evoked CAEP amplitudes and latencies (p>0.05). The speech syllable /ba/ produced a higher mean P1 amplitude than the 1 kHz tone burst (p=0.001). Conclusions: The CAEP latencies recorded with the speech syllable became shorter with age. While both tone-burst and speech stimuli were appropriate for recording the CAEP, significantly bigger amplitudes were found in speech-evoked CAEP. The preliminary normative CAEP data provided in the present study may be beneficial for clinical and research applications in Malaysian children.
Moon, Jeong Yong,Lee, Sarah,Jeong, Seongweon,Kim, Jong-Chan,Ahn, Kwang Seok,Mosaddik, Ashik,Cho, Somi Kim The Korean Society for Applied Biological Chemistr 2013 Applied Biological Chemistry (Appl Biol Chem) Vol.56 No.6
Total phenolic contents of different fractions of the Psidium cattleianum leaf extract and their antioxidant capacity against several free radicals were examined. Protective effect of the ethyl acetate fraction (EAF) on $H_2O_2$-induced DNA damage in HepG2 cells were also evaluated, and the phytochemical profile of EAF was analyzed using tandem mass spectrometry. EAF derived from the 80% methanol extract of the leaf contained a remarkable amount of polyphenol and showed high levels of DPPH and alkyl radical scavenging activity, promoted cell viability, and protected against $H_2O_2$-induced DNA damage in HepG2 cells. Phytochemical analysis revealed that the major components in the EAF included quercetin monoglycoside, phloridizin, quercetin 3-diglycoside, quercetin-3-glucuronide, 2,6-dihydroxy-3,5-dimethyl-4-glucopyranosyl-benzophenone, phenolic acid, guaijaverin, and naringin. The present study suggests possible synergistic or competitive antioxidant action of the major compounds of cattley guava leaf on $H_2O_2$-induced DNA damage in HepG2 cells. These results indicate that the ethyl acetate fraction of the guava leaf could be used as a potential source of natural antioxidants, and these findings will facilitate the utilization of guava leaf as a source of functional food.
You Ji Seon,Lee Chan Woo,Park Ji Yoon,Jang Yoonjeong,Yu Hyeona,Yoon Joohyun,Kwon Sarah Soonji,Oh Sunghee,Park Yun Seong,Ryoo Hyun A,Lee Jong Hun,Lee Daseul,Lee Jakyung,Kim Yeoju,Cho Nayoung,Ihm Hong K 대한신경정신의학회 2022 PSYCHIATRY INVESTIGATION Vol.19 No.11
Objective Mood disorder and borderline personality pathology (BPP) are frequently comorbid and relate to childhood trauma. We investigated the relationship between childhood trauma and BPP features in mood disorder patients versus controls.Methods A total of 488 mood disorder patients, particularly major depressive disorder (MDD), bipolar I disorder (BD I), and bipolar II disorder (BD II), and 734 controls were included. We examined between-group BPP-related differences and correlated between BPP and childhood trauma using the Childhood Trauma Questionnaire-Short Form (CTQ) and the Personality Assessment Inventory–Borderline Features Scale.Results BD II patients showed significantly higher BPP. Emotional abuse and neglect were prominently associated with BPP, while affective instability and negative relationships exhibited a stronger association with childhood trauma. We also found a positive relationship between childhood trauma and BPP in MDD, BD I, and BD II patients.Conclusion The findings of the present study imply that BPP features are more likely to be found in patients with BD II than BD I or MDD. Mood disorder patients with severe childhood trauma may have higher BPP features. Thus, further study of the relationship between childhood trauma and BPP features could improve the therapeutic approaches and help understand patients with mood disorders.
Chloe Han,Aarthi Kottapalli,Keerti Boyapati,Sarah Chan,정용주 대한화학회 2019 대한화학회지 Vol.63 No.4
5-Aminoimidazole-4-carboxamide ribonucleotide (AICAR), a structural analog of adenosine monophosphate (AMP), promotes oxidative remodeling in muscle cells. AICAR activates AMP-dependent protein kinase (AMPK), thus increasing lipid metabolism, respiration, and mitochondrial counts. This process is called oxidative remodeling, which enhances the physical endurance of mice. To test this drug on an invertebrate that is genetically similar to humans, we used the small water crustacean Daphnia magna, which is sensitive to changes in water conditions. We tested the effects of pH on the efficacy of AICAR using two methods. One method measured oxygen consumption of Daphnia in oxygen chambers. The other method determined lipid levels of Daphnia through fluorescent tagging of lipids. The results showed that when exposed to AICAR at pH 6.58, D. magna consumed more oxygen and had lower overall levels of lipids, which is consistent with the expected effects of AICAR, such as increased respiration and lipid metabolism.