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Pharmacogenetic analysis of adjuvant FOLFOX for Korean patients with colon cancer.
Lee, Kyung-Hun,Chang, Hye Jung,Han, Sae-Won,Oh, Do-Youn,Im, Seock-Ah,Bang, Yung-Jue,Kim, Sun Young,Lee, Keun-Wook,Kim, Jee Hyun,Hong, Yong Sang,Kim, Tae Won,Park, Young Suk,Kang, Won Ki,Shin, Sang Joo Springer 2013 Cancer chemotherapy and pharmacology Vol.71 No.4
<P>Ethnic diversity of genetic polymorphism can result in individual differences in the efficacy and toxicity of cancer chemotherapy.</P>
정신분열병에서 도파민 D4 수용체(DRD4) 유전자의 다형성
이홍석,이민수,한덕정,이헌정,Lee, Hong Seock,Lee, Min Soo,Han, Deock-Jeong,Lee, Heon-Jeong 대한생물정신의학회 2000 생물정신의학 Vol.7 No.2
Background : No association between schizophrenia and dopamine D4 receptor polymorphisms have been reported. Despite these results, it is premature to exclude the association. It has been suggested that the susceptibility to develop schizophrenia could result from variation at a number loci which may interact or coact with each other. Therefore, we investigated a possible association of combinations of exon III 48bp polymorphism[D4E3] and exon I 12bp polymorphism of the DRD4 gene [D4E1] with schizophrenia. Methods : 207 unrelated Korean schizophrenic patients and 191 healthy controls were recruited. DRD4 genotype was established using the polymerase chain reaction. Statistical analysis consisted of ${\chi}^2$ tests for Hardy-Weinberg proportions and genotypic and allelic frequencies in the patients and control groups. Results : There were no statistically significant differences in the each polymorphisms between schizophrenics and controls. And all genotype frequencies were within Hardy-Weinberg expectations. When the combinations of the polymorphism in schizophrenia and controls were compared, however, there were significant differences at $A1A2^*2/4$ in the distributions of the combinations of D4E1 and D4E3(p<0.01). Conclusions : These findings suggest that the certain combination of D4E1 and D4E3($A1A2^*2/4$) has the protective role to a susceptibility for schizophrenia. 정신분열병과 DRD4 다형성이 연관이 없다는 보고들이 있어왔다. 그러나 지금까지의 결과로부터 정신분열병과 DRD4가 연관이 없다고 결론 내리는 것은 성급한 것일 수도 있다. 정신분열병의 유전적 취약성은 여러 유전자좌(locus)들이 같이 상호작용(interaction) 또는 공작용(coaction)에 의한 것일 가능성이 크다. 저자들은 DRD4 유전자의 exon III 48-염기쌍 다형성 [D4E3]과 exon I 12-염기쌍 다형성[D4E1]의 조합과 정신분열병의 연관성에 관하여 연구하였다. 207명의 친척이 아닌 한국인 정신분열병 환자와 191명의 정상 대조군이 연구에 참여했다. DRD4 유전자형을 중합효소연쇄반응을 통하여 확인하였으며, 정신분열병 환자군과 정상 대조군의 유전자형과 대립유전자의 빈도간의 차이를 연구하였다. 두 군간에 다형성에 있어 통계적 유의한 차이는 보이지 않았으며, 모든 유전자형의 빈도는 Hardy-Weinberg equilibrium에서 예상되는 분포와 유의한 차이가 없었다. 정신분열병 환자군과 정상 대조군에서 DRD4 유전자의 다형성을 조합하여, D4E1과 D4E3 다형성의 조합의 분포에 있어 비교하였을 때, $A1A2^*2/4$의 분포에 있어 두 군간에 유의한 차이가 있었다(p<0.01). 이러한 소견은 D4E1과 D4E3 다형성의 조합중 하나인 $A1A2^*2/4$이 정신분열병의 취약성에 있어 방어적인 역할을 할 가능성을 시사하는 것이다.
길상인(Sang In Keel),윤진한(Jin Han Yun),김석준(Seock Joon Kim),김우현(Woo Hyun Kim),이정규(Lee Jung Kyu),강창구(Chang Gu Kang),성홍근(Hong Gun Sung),정노택(Rho-Taek Jung) 한국해양환경·에너지학회 2004 한국해양환경공학회 학술대회논문집 Vol.2004 No.-
Marine debris incineration system was designed for the thermal treatment of contaminated wastes excepted in the recycle or resources. The design of this system was focused on the perfect gas cleaning including dioxin removal and the strengthening of furnace structure for the foundation on the barge mounted plate. Excellent performance data and the dioxin value of 0.06ng-TEQ/S㎥ mean that the improvement of ocean environment can expected. And also this system can play an important role in the problems of island's municipal waste treatment.
Sam-Woo Kang,Chong-Min Park,Kwang-Hee Cho,Hong-Seock Han Korean Chemical Society 1993 Bulletin of the Korean Chemical Society Vol.14 No.1
Spectrophotometric determination of some heavy lanthanide ions by flow injection method is described. Xylenol Orange forms water soluble chelates with lanthanide ions in a tris[hydroxymethyl]-aminomethane-buffered medium having pH 8.3 and containing cetyltrimethylammonium bromide. The molar absorptivities of Ln(III)-XO complexes were increased by the ternary system with cetyltrimethylammonium bromide with the concomitant bathochromic shift of absorption maxium compared to those of the binary system without cetyltrimethylammonium bromide. The calibration curves are linear in the range 0.25-1.00 ppm for Gd(III), Dy(III), Er(III), Tm(III) and Yb(III) and the dynamic range are very wide. The detection limits (S/N=2) are from 2 ppb for Gd(III) to 30 ppb for Yb(III) and the relative standard deviations are from 1.2% for 0.5 ppm Gd(III) to 1.8% for 0.5 ppm Yb(III). The sample throughput was ca. 50 $h^{-1}$.
Lee, Sang-Ho,Choi, Kyung-Hwa,Cha, Kyu-Min,Hwang, Seock-Yeon,Park, Un-Kyu,Jeong, Min-Sik,Hong, Jae-Yup,Han, Chang-Kyun,In, Gyo,Kopalli, Spandana Rajendra,Kim, Si-Kwan The Korean Society of Ginseng 2019 Journal of Ginseng Research Vol.43 No.1
Background: Excessive stress causes varied physiological and psychological disorders including male reproductive problems. Here, we attempted to investigate the protective effects of Korean Red Ginseng (Panax ginseng Meyer; KRG) against sub-acute immobilization stress-induced testicular damage in experimental rats. Methods: Male rats (age, 4 wk; weight, 60-70 g) were divided into four groups (n = 8 in each group): normal control group, immobilization control group, immobilization group treated with 100 mg/kg of KRG daily, and immobilization group treated with 200 mg/kg of KRG daily. Normal control and immobilization control groups received vehicle only. KRG (100 mg/kg and 200 mg/kg) was mixed in the standard diet powder and fed daily for 6 mo. Parameters such as organ weight, blood chemistry, sperm kinematic values, and expression levels of testicular-related molecules were measured using commercially available kits, Western blotting, and reverse transcription polymerase chain reaction. Results: Data revealed that KRG restored the altered testis and epididymis weight in immobilization stress-induced rats significantly (p < 0.05). Further, KRG ameliorated the altered blood chemistry and sperm kinematic values when compared with the immobilization control group and attenuated the altered expression levels of spermatogenesis-related proteins (nectin-2, cAMP responsive element binding protein 1, and inhibin-${\alpha}$), sex hormone receptors (androgen receptor, luteinizing hormone receptor, and follicle-stimulating hormone receptor), and antioxidant-related enzymes (glutathione S-transferase m5, peroxiredoxin-4, and glutathione peroxidase 4) significantly in the testes of immobilization stress-induced rats. Conclusion: KRG protected immobilization stress-induced testicular damage and fertility factors in rats, thereby indicating its potential in the treatment of stress-related male sterility.
Suh, Koung Jin,Kim, Se Hyun,Lee, Kyung-Hun,Kim, Tae-Yong,Kim, Yu Jung,Han, Sae-Won,Kang, Eunyoung,Kim, Eun-Kyu,Kim, Kidong,No, Jae Hong,Han, Wonshik,Noh, Dong-Young,Lee, Maria,Kim, Hee Seung,Im, Seock Korean Cancer Association 2017 Cancer Research and Treatment Vol.49 No.4
<P><B>Purpose</B></P><P> Although combining aromatase inhibitors (AI) with gonadotropin-releasing hormone agonists (GnRHa) is becoming more common, it is still not clear if GnRHa is as effective as bilateral salpingo-oophorectomy (BSO).</P><P><B>Materials and Methods</B></P><P> We retrospectively analyzed data of 66 premenopausal patients with hormone receptor– positive, human epidermal growth factor receptor 2–negative recurrent and metastatic breast cancer who had been treated with AIs in combination with GnRHa or BSO between 2002 and 2015.</P><P><B>Results</B></P><P> The median patient age was 44 years. Overall, 24 (36%) received BSO and 42 (64%) received GnRHa. The clinical benefit rate was higher in the BSO group than in the GnRHa group (88% vs. 69%, p=0.092). Median progression-free survival (PFS) was longer in the BSO group, although statistical significance was not reached (17.2 months vs. 13.3 months, p=0.245). When propensity score matching was performed, the median PFS was 17.2 months for the BSO group and 8.2 months for the GnRHa group (p=0.137). Multivariate analyses revealed that the luminal B subtype (hazard ratio, 1.67; 95% confidence interval [CI], 1.08 to 2.60; p=0.022) and later-line treatment (≥ third line vs. first line; hazard ratio, 3.24; 95% CI, 1.59 to 6.59; p=0.001) were independent predictive factors for a shorter PFS. Incomplete ovarian suppression was observed in a subset of GnRHa-treated patients whose disease showed progression, with E2 levels higher than 21 pg/mL.</P><P><B>Conclusion</B></P><P> Both BSO and GnRHa were found to be effective in our AI-treated premenopausal metastatic breast cancer patient cohort. However, further studies in larger populations are needed to determine if BSO is superior to GnRHa.</P>