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패혈증의 경과에 따른 혈중 스테로이드와 Nitric Oxide의 연관성
이규성 ( Keu Sung Lee ),김영선 ( Young Sun Kim ),이형노 ( Hyoung No Lee ),박주헌 ( Joo Hun Park ),오윤정 ( Yoon Jung Oh ),신승수 ( Seung Soo Sheen ),최영화 ( Young Hwa Choi ),박광주 ( Kwang Joo Park ),황성철 ( Sung Chul Hwang ) 대한결핵 및 호흡기학회 2007 Tuberculosis and Respiratory Diseases Vol.62 No.4
연구배경: 패혈증에서 Nitric oxide 스테로이드 호르몬은 혈역학적 변화와 염증반응에 관여하는데 이 두 인자는 서로 상관성이 있는 것으로 알려지고 있다. 하지만 실제 환자에서 서로의 상관성이나 임상적 의의는 연구가 부족한 실정이다. 방법: 패혈증 환자 26예와 대조군 14예를 대상으로 혈중 총 NO와 혈중 코티졸 농도를 측정하였고 이어서 제 3, 5, 7병일에도 연속적으로 측정을 하였다. 결과: 패혈증 환자군에서 초기 혈중 코티졸 및 총 NO 농도는 대조군에 비하여 유의하게 증가하였고 경증 패혈증에 비하여 중증 패혈증 환자군에서 유의하게 높았다. 초기 혈중 총 NO의 농도는 APACHE II 점수, 정맥혈 lactate 농도와 상관성이 있었다. 패혈증의 시간의 경과에 따라 혈중 NO 농도는 제 1병일, 제 5병일, 제 7병일에 혈중 코티졸의 농도와 유의한 상관성이 있었다. 결론: 패혈증 환자들에서 혈중 NO와 코티졸 농도는 증가되어 있었으며, 경과에 따라 서로 유의한 상관성이 지속되었다. 상호작용기전에 대하여는 추가적인 연구가 필요할 것이다. Background: The nitric oxide (NO) released by inducible NO synthase (iNOS) plays an important role in the pathophysiology of sepsis. Corticosteroids also play a role in the hemodynamic and inflammatory reactions in sepsis. Both have been shown to have a relationship theoretically, but their correlation and clinical impacts have rarely been evaluated. Methods: 26 patients with sepsis and 14 healthy controls were enrolled in this study. The initial random plasma total NO and the serum cortisol levels were measured. The same measurements were serially carried out on the 3rd, 5th, and 7th days. Results: The initial total plasma levels of NO and cortisol were higher in the patients with sepsis than in the healthy controls. The total NO levels were higher in patients with severe sepsis than in the those with mild sepsis. There was a correlation between the total NO and cortisol level throughout the study. Conclusion: In patients with sepsis, the levels of plasma NO and cortisol were well correlated during the first week of sepsis, which suggests an interrelationship. However, the clinical and pathogenetic implications await further evaluation. (Tuberc Respir Dis 2007; 62: 308-313)
박노봉(No-Bong Park),김상열(Sang-Yeol Kim),여운상(Un-Sang Yeo),김정일(Jeong-Il Kim),이지윤(Ji-Yoon Lee),권오덕(Oh-Deog Kwon),박동수(Dong-Soo Park),이종희(Jong-Hee Lee),조준현(Jun-Hyun Cho),송유천(You-Cheon Song),오성환(Seong-Hwan Oh) 한국육종학회 2019 한국육종학회지 Vol.51 No.4
‘Yeongbo’ is a variety of japonica rice (Oryza sativa L.) with good eating quality, resistance to rice stripe virus, rice dwarf virus, and bacterial blight disease. It was developed by the rice breeding team of the Yeongdeok Branch, National Institute Crop Science, Rural Development Administration in 2014. This variety was derived from a cross between ‘Yeongdeog35’ with good eating quality and ‘Saekyehwa’ with good plant type in the 2002 summer season. A promising line selected through the pedigree breeding method, YR24269-1-2-1-2-3-3, was designated as ‘Yeongdeog57’ in 2011. After a local adaptability test at nine locations from 2012 to 2014, ‘Yeongdeog57’ was released under the name of ‘Yeongbo’ in 2014. ‘Yeongbo’ had a short culm length of 66 cm and medium growth duration. This variety was resistant to K1, K2, and K3 races of bacterial blight, rice stripe virus, and dwarf virus, and moderately resistant to leaf blast disease. ‘Yeongbo’ had translucent and clear milled rice kernel without white core and belly, and good eating quality according to a panel test. The yield potential of ‘Yeongbo’ in milled rice was approximately 5.75 MT/ha at an ordinary fertilizer level in the local adaptability test. This cultivar would be adaptable to middle plain area, south plain area, Yeongnam plain area, east costal area, and south mid-mountainous area. (Registration No.6804)
박노형,유은성,이회관,허훈,Park, No-Hyung,Yoo, Eun-Sung,Lee, Hoi-Kwan,Huh, Hoon 한국결정성장학회 2011 한국결정성장학회지 Vol.21 No.5
Fresnoite 결정화 유리는 최근 비선형 광학특성으로 인하여 널리 연구되어 지고 있다. 그러나, 이전 연구 결과를 통하여 투명결정화 유리의 화학 조성으로는 정량적으로 Fresnoite 구조에 유사한 조성을 조절하는 것에 한계가 있음을 확인 할 수 있다. 본 연구에서는 $K_2O-TiO_2-SiO_2$ glass의 제조한 후, 제조된 유리를 $Sr(NO_3)_2$ 용융염에 담지하여 모유리의 표면에 Fresnoite 결정을 형성시키는 방법으로 투명결정화 유리를 제조하고, 이 때 Sr 이온이 비선형광학효과에 미치는 영향을 살펴보았다. XRD를 통하여 담지 시간에 따른 결정상 변화와 열처리를 통한 결정상 변화를 관찰하였으며, FE-SEM을 사용하여 생성된 결정의 미세구조와 Nd : YAG laser를 사용하여 2차비선형특성의 유무를 관찰하였다. A fresnoite glass-ceramics has been investigating considerably because of the second order nonlinearity as well as its permanent optical nonlinearity. However, the chemical compositions of transparent glass-ceramics examined in the previous studies have been limited to adjust the composition close to fresnoite stoichiometrically. In this study, to investigate the effect of strontium ions in glass-ceramics on second order nonlinearity, $K_2O-TiO_2-SiO_2$ (KTS) glasses soaked in molten $Sr(NO_3)_2$ were prepared. Crystalline phases of the soaked glasses were measured by X-ray diffraction (XRD) as soaking times and additional heat treatment. The exchange of strontium ions into the glass was verified by Field Emission Scanning Electron Microscope (FE-SEM). And the phenomena of second order harmonic generation (SHG) was observed using Nd-YAG laser.
MAS를 이용한 줄무늬잎마름병 저항성 조생종 벼 ‘해담쌀’ 개발
이종희(Jong-Hee Lee),조준현(Jun-Hyeon Cho),이지윤(Ji-Yoon Lee),오성환(Seong-Hwan Oh),김춘송(Choon-Song Kim),박노봉(No-Bong Park),황운하(Un-Hwa Hwang),송유천(You-Chun Song),박동수(Dong-Soo Park),여운상(Un-Sang Yeo) 한국육종학회 2019 한국육종학회지 Vol.51 No.4
‘Haedamssal’ is an early maturing and rice stripe virus disease-resistant cultivar adaptable for early-transplanting cultivation that was developed by the rice breeding team of the Department of Southern Crop, NICS, RDA, in 2014. This cultivar was derived from the cross YR25869 (YR21247-B-B-B-49-1/Sasanishiki BL4//Koshihikari) and YR25868 (Unkwang//YR21247-B-B-B-49-1/Sasanishiki BL4) made in the 2005/2006 winter season and was advanced to the F5 generation by a bulk breeding method using rapid generation advance. To incorporate rice stripe virus resistance, marker-assisted selection on the RSV gene was conducted in 3-way and 6-way cross F1 generation using the tightly linked marker RM6897. From testing in the replicated yield trial in 2011, a promising line YR26258-B-B-B-33-3 was selected and it was designated as ‘Milyang276’. A local adaptability test of ‘Milyang276’ was performed at three locations from 2012 to 2014 and it was named as ‘Haedamssal’, which was a good eating quality variety. The culm length was 67 cm in yield trials, which was 4 cm shorter than ‘Jopyeong’. The number of spikelets per panicle was lower than ‘Jopyeong’, whereas the number of tillers per hill was higher. This variety was resistant to RSV disease, bacterial blight, and leaf blast disease. The milled rice yield of ‘Haedamssal’ was 5.48 MT per ha at the early transplanting in the local adaptability test. ‘Haedamssal’ is well adapted to early transplanting cultivation in the southern plain area (Registration No. 6811).
심재구 ( Jae-goo Shim ),아프잘아킬 ( Afzal Aqeel ),최보미 ( Bo-mi Choi ),이정현 ( Jung-hyun Lee ),곽노상 ( No-sang Kwak ),임호진 ( Ho-jin Lim ) 한국물환경학회 2016 한국물환경학회지 Vol.32 No.4
N-nitrosamines are a class of carcinogenic chemicals that can pose significant hazards to the human life. Ultraviolet (UV) light irradiation is considered as one of the effective methods to reduce N-nitrosamines in the aqueous phase. This study aimed to investigate the pH influence on UV photodegradation of N-nitrosamines (i.e., N-nitrosodibutylamine (NDBA) and N-nitrosopyrrolidine (NPYR)) closely related to water treatment. Photodegradation rate constants of NDBA and NPYR remained between 3.26×10-2 L/W-min to 5.08×10-3 L/W-min and 1.14×10-2 L/W-min to 2.80×10-3 L/W-min at pH2-10, respectively. This study also focused on the formation of oxidized products (i.e., primarily NO2- and NO3-). Under slightly acidic and eutral conditions, NO2- formation was more prevalent than NO3- formation, while under strong acidic conditions, NO3- was more prevalent. There was no significant change in total organic carbon (TOC) and total nitrogen (TN), suggesting negligible loss of N-nitrosamines and degradation products from the system. NDBA was easily photodegraded than NPYR. This study also demonstrated that a lower pH is a favorable condition for photolytic degradation of N-nitrosamines in water.
울증(鬱證)환자에게 용서프로그램을 활용한 오지상승요법(五志相勝療法)을 시행하여 호전된 1례
이상언 ( Sang Eon Lee ),노동진 ( Dong Jin No ),박장호 ( Jang Ho Park ),이고은 ( Go Eun Lee ),박인숙 ( In Sook Park ),류영수 ( Yeong Su Lyu ),안민섭 ( Min Seob Ahn ),정지호 ( Ji Ho Jung ) 대한한방신경정신과학회 2010 동의신경정신과학회지 Vol.21 No.2
Yuzheng(鬱證) comes from obstruction of qi by stress. The patient has depressed mood, irritable sign, chest discomfort, costal pain, angry state or some strange feeling on the throat. Oh-Ji-Sang-Seung(五志相勝) therapy is base on the theory of interrelation in five elements in oriental medicine. The contents of Oh-Ji-Sang-Seung(五志相勝) therapy include five subjugations of five emotions. Anxiety subjugates fear(思勝恐), fear subjugates joy(恐勝喜), joy subjugates pity(喜勝悲), pity subjugates anger(悲勝怒), and anger subjugates anxiety(怒勝思). Forgiveness program is a kind of psychological therapies to decrease the degree of anger and it is included in Oh-Ji-Sang-Seung(五志相勝) therapy. In this case, a female patient, 50 years old, who suffered from Yuzheng(鬱證) with chest discomfort, irritable sign, easily angry state, depressed mood, hot flush, insomnia. We used Oh-Ji-Sang-Seung(五志相勝) therapy besides herbal medication, acupuncture to her condition got improved. Therefore we reported it for the treatment.
( Sang-a Park ),( Sim-kyu Bong ),( Jin Woo Lee ),( No-june Park ),( Yongsoo Choi ),( Sang Moo Kim ),( Min Hye Yang ),( Yong Kee Kim ),( Su-nam Kim ) 한국응용약물학회 2020 Biomolecules & Therapeutics(구 응용약물학회지) Vol.28 No.6
Naturally derived diosmetin and its glycoside diosmin are known to be effective in treating inflammatory disease. This study was performed to determine whether diosmin and diosmetin have the effect of improving atopic dermatitis in a 2,4-dinitrochlorobenzen (DNCB)-induced atopic dermatitis (AD) model. DNCB was used to establish AD model in hairless mice. Skin moisture, serum immunoglobulin E (IgE), interleukin 4 (IL-4), and histological analysis were performed to measure the effectiveness of diosmin and diosmetine to improve AD. IL-4 levels were also measured in RBL-2H3 cells. Administration of diosmetin or diosmin orally inhibited the progress of DNCB-induced AD-like lesions in murine models by inhibiting transdermal water loss (TEWL) and increasing skin hydration. Diosmetin or diosmin treatment also reduced IgE and IL-4 levels in AD-induced hairless mouse serum samples. However, in the in vitro assay, only diosmetin, not diosmin, reduced the expression level of IL-4 mRNA in RBL-2H3 cells. Diosmin and diosmetine alleviated the altered epidermal thickness and immune cell infiltration in AD. Diosmin is considered effective in the cure of AD and skin inflammatory diseases by being converted into diosmetin in the body by pharmacokinetic metabolism. Thus, oral administration of diosmetin and diosmin might be a useful agent for the treatment of AD and cutaneous inflammatory diseases.