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KI-180과 KI-188 칼슘조성물이 어린쥐의 성장발육에 미치는 영향
박승만(Seung-Man Park),성기승(Ki-Seung Seong),이종석(Jong-Seok Lee),이옥환(Ok-Hwan Lee),한찬규(Chan-Kyu Han) 한국식품과학회 2014 한국식품과학회지 Vol.46 No.3
본 연구에서는 KI-188 칼슘과 KI-180 조성물이 성장발육에 미치는 효과를 조사하였다. 시험기간중 KI-188 칼슘과 KI-180 식이군이 대조군 보다 성장률과 평균 식이섭취량은 증가하였다. 체장은 KI-188 칼슘과 KI-180 식이군이 대조군에 비해 평균 3.55 mm 더 길었고, 등뼈길이는 KI-180 식이군이 대조군 보다 통계적인 차이는 없었지만 0.5 mm 더 길었다. 대퇴골 무게는 KI-188 칼슘과 KI-180 식이군이 대조군에 비해 통계적으로 무거웠으며, 대퇴골길이는 대조군에 비해 각각 평균 0.89, 1.09 mm 더 길었다. 혈당, 총콜레스테롤 및 중성지방 농도는 차이가 없었고, 칼슘농도는 KI-188 칼슘과 KI-180 식이군 보다 대조군이 유의하게 높았다. 백혈구와 혈소판수는 차이가 없었고, 적혈구, 혈색소 및 헤마토크릿치는 대조군이 KI-188 칼슘과 KI-180 식이군 보다 통계적으로 높았다. ALP활성은 KI-180 식이군이 대조군 보다 통계적으로 높았고, osteocalcin농도는 KI-188 칼슘과 KI-180 식이군이 대조군에 비해 통계적으로 유의하게 높았다. 혈청 testosterone 농도는 KI-188 칼슘과 KI-180 식이군과 대조군 간에 차이가 없었다. IGF-1과 IGFBP-3 농도는 KI-180 조성물이 대조군 보다 각각 20%, 11% 정도 유의하게 더 높았다. 이상의 결과를 검토할 때 KI-188 칼슘과 KI-180 조성물은 어린쥐의 성장과 골격의 발달을 촉진시키고, 성장호르몬의 분비능을 양적으로 유도하여 전반적인 성장발육에 유효한 작용이 있는 것으로 사료된다. Herbs have active components that promote the growth rate of both animals and human. The KI-180 and KI-188 calcium food formulae contain Acanthopanacis cortex, Bombysis corpus and hoelen, seaweed calcium, chlorella extract, spirulina, colostrum powder, and other natural and functional components. We evaluated the growth-promoting effects of these formulae by analyzing the weight, femur and backbone, alkaline phosphatase, osteocalcin, testosterone, insulin-like growth factor (IGF)-1, and IGF binding protein-3 (IGFBP-3) of growing rats. Growing rats administered with KI-180 and KI-188 calcium showed the increase of body weight, body length, and femur weight and length of growing rats. In addition, administration of KI-180 and KI-188 calcium increased the alkaline phosphatase activity, the levels of osteocalcin and the growth hormones IGF-1 and IGFBP-3 of growing rats. The impact of KI-180 and KI-188 calcium on the physical development of growing rats suggests that the incorporation of these food formulae in the diets of growing children may promote the physical development.
광선각화증, 보웬병, 편평상피세포암에서 Ki-67, Cyclin A, p53, p16의 발현 양상
이효진 ( Hyo Jin Lee ),신동훈 ( Dong Hoon Shin ),최종수 ( Jong Soo Choi ),김기홍 ( Ki Hong Kim ) 대한피부과학회 2012 대한피부과학회지 Vol.50 No.4
Background: Actinic keratosis (AK) and bowen`s disease (BD) are pre-cancerous diseases, and are regarded as an early squamous cell carcinoma (SCC). AK and BD can be progressed into SCC. In this process, tumor suppressor and cell proliferative proteins may play important roles. Objective: To investigate the differences of expression patterns of the immunohistochemical (IHC) staining and useful markers for differential diagnosis in AK, BD and SCC. Methods: Biopsy had proven 17 cases of AK, 20 cases of BD and 17 cases of SCC, which were all selected. IHC staining for Ki-67 and cyclin-A, as cell proliferative markers, p53 and p16 as tumor suppressor markers, were performed. Labeling index (LI) and distribution pattern of IHC expressions were measured. Results: LI of Ki-67 in AK, BD and SCC were 30.6%, 60.2% and 54.8%, respectively. LI of cyclin-A in AK, BD and SCC were 9.2%, 24.4% and 24.1%, respectively. LI of p53 in AK, BD and SCC were 20.7%, 37.9%, and 39.9%, respectively. LI of p16 in AK, BD and SCC were 10.6%, 38.3% and 39.9%, respectively. Lower 1/3 was the most frequent distribution pattern in AK in all IHC stains, full thickness lower 2/3 were the most frequent distribution pattern in BD and SCC in all IHC stains. Conclusion: LI and distribution pattern of Ki-67, cyclin-A, and p16, as well as the distribution pattern of p53 may be useful markers to differentiate AK from BD and SCC. Higher degree and full-thickness distribution pattern IHC expressions in all stains may be helpful in the diagnosis of BD, rather than AK. (Korean J Dermatol 2012;50(4):290∼298)
Ki?Jong Rhee,Sun-Yeong Gwon,and Seunghyung Lee 대한의생명과학회 2013 Biomedical Science Letters Vol.19 No.3
Hypoxia is an integral part of the environment during luteolysis. In this study we examined whether hypoxia could directly stimulate endothelial cells to produce nitric oxide (NO). Endothelial cells were cultured in hypoxic (5% O₂) or normoxic (20% O₂) conditions and the levels of total NO, inducible NO and endothelial NO was measured. We found that hypoxia but not normoxia upregulated NO production. The increased NO levels correlated with increased inducible NO synthase (iNOS) expression whereas expression of endothelial NOS (eNOS) expression remained constant. Addition of the iNOS specific inhibitor 1400W to hypoxic cultures prevented NO production suggesting that hypoxia?induced NO production in endothelial cells was due mainly to upregulation of iNOS. We also found that prostaglandin F2α (PGF) production was unaffected by hypoxia suggesting that upregulation of NO was not due to increased synthesis of PGF. In summary, we report that endothelial cells cultured under hypoxic conditions produce NO via the iNOS pathway. This study provides the importance of the relation between the hypoxic environment and the induction of NO by endothelial cells during regression of the corpus luteum in the ovary.
炭素纖維와 高分子 matrix간의 界面 結合力 增加를 위한 炭素纖維의 表面처리
맹기석,채종훈,박병재,박정기,주혁종 忠南大學校 産業技術硏究所 1988 산업기술연구논문집 Vol.3 No.2
The surface of the carbon fibers has been treated under gas-phase oxidation, liquid-phase oxidation, and electrolytic oxodation. From the point of the surface-treat processing and fiber properties, the electrolytic oxidation is shown to be most efficient. The effects of the process variables such as oxidation time, current density, and type of electrolytes related to the anodic oxidation on the properties of the fibers have been evaluated. The optimum values of these variables might be available for better properties of the carbon fibers and their composites.
이종화,장봉기,박종안,박종영,김완종,우기민 한국환경독성학회 2004 환경독성보건학회지 Vol.19 No.3
Although numerous studies have shown that cadmium disturbs the normal biological processes in central nervous system the mechanism of toxicity is not well understood The present study has investigated the effect of cadmium on oxidative stress, Na+/K- ATPase activity and the aggregation of amyloid beta peptide(β-amylotd) in neuronal cell Ime, HT22 cell LC_(5) and LC_(50) of cadmium for HT22 cell resulted from MTT assay was 4 1 μM and 9 5 μM, respectively Cadmium(2 to 8 μM) dose-dependently increased the lipid peroxidation and decreased the content of glutathione Cadmium 4 μM showed a significant decrease in Na^(-)/K^(+) ATPase activity as compared with control group The aggregation of P-amyloid was accelerated in a dose-dependent manner by the treatment with 2 to 8 μM cadmium These results suggest that the neurotoxicity of cadmium can be mediated by the increase in oxidative stress and decrease in Na^(-)/K^(+) ATPase activity.
트랜시스 싱글 존 모델을 이용한 멀티 존 에너지 해석 방법
전병기(Jeon, Byung?Ki),김의종(Kim, Eui-Jong) 한국건축친환경설비학회 2016 한국건축친환경설비학회 논문집 Vol.10 No.5
The purpose of this work is to propose a simple single-zone model for analyzing multi-zone cases. Multi-zone models can be defined directly describing the building plan while important simulation data and careful parameterization are required. In contrast, the single-zone model is set in a very simplified manner, so many engineering projects prefer such a model. However, differences between the two models are not yet well investigated, particularly in a quantitative way, and thus the paper tests the differences and proposes possible methodologies to enhance the single-zone model to be closer to the multi-zone model. Thus, the balcony is modeled in detail to account for the solar double transmitted irradiance via windows at both sides of the balcony. Since the solar transmitted irradiance directly influences building loads, a special attention is required. In addition, the internal walls are taken into account in the single-zone model to keep the similar thermal capacity of multi-zone cases. Results show that the proposed single-zone model predicts very similar annual loads with the reference multi-zone model (about 5% error) while the initial single-zone model without the methodologies is far from the reference model (more than 20% error).
엉겅퀴(Cirsium japonicum var. ussuriense KITAMURA)의 조직배양에 의한 식물체의 재분화
강호종,박상현,박기관,김재환 진주산업대학교 1993 論文集 Vol.32 No.-
To examine proper part and medium in in-vitro culture shoot formation of in-vitro Crisium japonicum var. ussurinese KITAMURA, the test was carried out. The results are as follow: The wsa good in differentiation of the plant on the medium was good in MS+BA 10.0+Ki 10.0㎎/ℓ. In the results of formation and roots formation, proper medium was MS+Ki 0.1/ℓ. The case of MS+Ki 0.1㎎/ℓ was much no of shoots, ratio of roots, no of roots, also was good on growth.
이기찬,손정민,윤기영,최호정,박성준,이영원,정성목,신상태,조종기 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2006 動物醫科學硏究誌 Vol.14 No.-
In this report, we present a case of the male pseudohermaphrodite in a beagle dog. The animal was subjected for examination due to enlargement of clitoris that was shown as reddish finger-like structure protruding from the vulva. Visual examination of the internal genitalia revealed that the animal possessed both testes and uterus. Based on the findings of physical examination and exploratory laparotomy, it was tentatively diagnosed as male pseudohermaphrodite. Internal genitalia and enlarged clitoris were removed for the prevention of pyometra and Sertoli cell tumor.