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소아에서 만성 기능성 변비의 분변 박힘 제거에 대한 전해질이 함유된 Polyethylene Glycol(PEG)의 효과 및 안전성에 관한 연구
소홍섭,배선환,윤혜선,황진순,So, Hong Seop,Bae, Sun Hwan,Yoon, Hei Sun,Hwang, Jin Soon 대한소아청소년과학회 2003 Clinical and Experimental Pediatrics (CEP) Vol.46 No.11
목 적 : 전해질이 함유된 PEG 용액은 삼투성 제재로 소아의 대장내시경 및 수술 전 저치를 위한 장세척에 주로 사용되어 왔으나 다른 삼투성 제재에 비하여 만성 기능성 변비 치료의 분변박힘 제거에 대한 연구는 극히 미흡하다. 이에 저자들은 만성 기능성 변비로 입원한 환아들을 대상으로 분변 박힘 제거에 있어서 전해질이 함유된 PEG 용액의 효과 및 안전성에 대하여 알아보고자 하였다. 방 법: 2000년 5월부터 2003년 7월까지 을지병원 소아과에 입원한 만성 기능성 변비 환아 26명(11명은 외래에서 일반적 방법으로 분변박힘 제거에 실패하였다)을 대상으로 전해질이 함유된 PEG 용액을 경구 요법(9명, 34.6%), 관장 요법(10명, 38.4%), 또는 병행 요법(7명, 14.3%)을 시행하여 분변 박힘 제거의 효과와 배변횟수의 변화, 부작용의 발생을 확인하였다. PEG 용액은 경구 요법의 경우 1회 60-80 mL/kg(PEG로 3.9-5.3 g/kg)를 3시간 이내에 음용하였으며, 하루에 1-2회 시행하였다. 관장 요법의 경우 1회 15-25 mL/kg(PEG로 0.975-1.625 g/kg)로 하루에 1-3회 관장을 시행하였다. 결 과 : 모든 환아에서 PEG 용액 요법 시행 전에 단순 복부 방사선 사진에서 분변 박힘이 확인되었으며 시행 후에는 분변 박힘이 호전되었다. 배변횟수는 관장 요법을 시행한 환아 중에서 1명을 제외한 모든 환아에서 유의한 증가를 보였다. 부작용은 하루 6회 이상의 수양성 변이 3명(11.5%)에서 발생하였고, 두통이 1명(3.8%)에서 발생하였으나 별다른 치료없이 호전되었다. 이외의 부작용의 증상은 발생하지 않았다. 치료 후 혈청 전해질 농도 검사는 16명의 환아에서 시행되었으며 두통을 호소했던 환아에서 경미한 고나트륨혈증(146 mmol/L)이 있었으며 이외의 환아에서는 정상 범위 내로 나타났다. 치료 후 혈청 삼투질 농도 검사는 11명의 환아에서 시행됐으며 모두 정상 범위 내로 나타났다. 순응도는 경구 복용군의 환아들이 짠맛에 대한 부담감을 호소하였으나 복용에는 지장이 없었다. 결 론 : 일반적인 요법으로 분변 박힘 제거에 실패한 환아를 비롯한 만성 기능성 변비 환아에서 전해질이 포함된 PEG 용액은 분변 박힘 제거에 효과가 있었으며 심각한 부작용은 없었으며 순응도도 좋은 것으로 나타났다. 그러나 연구 대상의 수가적고, 모든 환아에서 치료 후의 혈청 전해질 농도 및 삼투질 농도의 확인이 이루어지지 않은 문제점이 있기 때문에 향후 보다 많은 소아를 대상으로 연구가 시행되어져야 할 것으로 생각된다. Purpose : Polyethylene glycol(PEG) with electrolytes has been used for intestinal clearance for colonoscopy and operations in children. But its efficacy and safety for disimpaction in children with chronic functional constipation has been studied little. Methods : This study enrolled 26 patients with chronic functional constipation(11 children had failed to disimpaction by conventional management at OPD) who were admitted to the Eul-Ji Hospital between May 2000 and July 2003. PEG with electrolytes was administered per oral and/or rectal enema. We observed the effects for disimpaction by measuring the frequency and consistency of stools, and by simple abdominal X-ray. We evaluated the safety by measuring serum electrolytes and osmolarity in three hours after PEG with electrolytes administration, and by observation of the clinical status of the patients. The protocol of PEG with electrolytes was a dose of 60-80 mL/kg within three hours per oral and/or of 15-25 mL/kg by rectal enema. Results : In all patients, simple abdominal X-ray films showed improvements of fecal impaction. Consistency and frequency of stool were improved in all patients except one. As for side effects, diarrhea developed in three patients(11.5% of all patients). Headaches developed in one patient(3.8% of all patients) but it improved without treatment. Serum electrolytes was checked in 16 patients after PEG with electrolytes management and mild hypernatremia(146 mmol/L) was checked in one patient. Serum osmolarity was checked in 11 patients after PEG with electrolytes management and was normal in all patients. Conclusion : PEG with electrolytes was effective and safe for disimpaction in children with chronic functional constipation, including patients who had failed in disimpaction by conventional management.
Sulfuretin Inhibits Ultraviolet B-induced MMP Expression in Human Dermal Fibroblasts
소홍섭,김승훈,이영래 한의병리학회 2011 동의생리병리학회지 Vol.25 No.3
Sulfuretin is one of the main flavonoids produced by Rhusverniciflua. Sulfuretin has been shown to exhibit many pharmacological activities including anti-oxidant, anti-obesity, anti-inflammatory and anti-mutagenic activities. However, the anti-skin photoaging effects of sulfuretin has not yet been reported. In the present study, we investigated the inhibitory effect of sulfuretin on the expression levels of MMP-1 and -3 in the human dermal fibroblast cells. Western blot analysis and real-time PCR revealed sulfuretin inhibited UVB-induced MMP-1 and -3 expressions in a dose-dependent manner. UVB-induced MAPK/NF-κB/p50 activation and MMP expression were completely blocked by pretreatment of sulfuretin. Taken together, sulfuretin could prevent UVB-induced MMP expressions through inhibition of MAPK/NF-κB/p50 activation.
소홍섭,최현주,윤혜선,황진순,손근찬,So, Hong Seop,Choi, Hyun Ju,Yoon, Hye Sun,Hwang, Jin Soon,Sohn, Keun Chan 대한소아청소년과학회 2003 Clinical and Experimental Pediatrics (CEP) Vol.46 No.4
저자들은 항문 직장 기형, 손기형, 감각신경성 난청을 동반한 소이증, 일측성 신 무형성증을 증상으로 나타내고, 가족력이 없는 TBS 1례를 경험하였기에 보고하는 바이다. Townes-Brocks syndrome is an uncommon autosomal dominant condition first described by Townes and Brocks in 1972. We experienced a newborn female who presented with clinical findings of Townes-Brocks syndrome in an otherwise unaffected family. The patient showed the full spectrum of anomalies including anterior placed anus, triphalangeal thumb, preaxial polydactyly, pre-auricular tags, microtia without opening, sensorineural hearing loss and unilateral renal agenesis.
SEK1 카이네이즈 과발현(overexpression)생쥐 대식세포주(RAW264,7)의 Nitric Oixde(NO)유도성 세포고사 (apoptosis) 기전에 관한 연구
정병학,소홍섭,박래길,정헌택 圓光大學校 醫科學硏究所 1998 圓光醫科學 Vol.14 No.2
Nitric oxide (NO) induces apoptotic cell death in murine RAW 264.7 macrophages. To A elucidate the NO-induced apoptotic mechanisms in SEK1/MKK4 overexpressed RAW 264.7 cells, we generated clones of RAW 264.7 cells which stably overexpressd kinase inactive SEK1 (RAW/SEK1-KI) or wild type SEK1 (RAW/SEK1-WT). Treatment of kinase inactive SEK1 transfected RAW 264.7 cells (RAW/SEK1-KI) with sodium nitroprusside (SNP), a NO donor, significantly decreased the cell viability than that of RAW control cells which were treated with the same amount of SNP. However, RAW/SEK1-WT cells were less susceptible to NO induced apoptosis. Furthermore, the treatment of NO with farnesyltransferase inhibitor (FTI) of Ras or MEK inhibitor (PD098059) significantly increased the apoptotic death of RAW/SEK1-KI. However, SB203580, a specific p38 inhibitor, did not affect NO-induced apoptosis of kinase inactive SEK1 transfected RAW 264.7 cells. For a while, caspase 3-like protease activity in NO plus FTI treated RAW/SEK1-KI cells were more increased than that of NO only. In addition, nuclear transcription factor kB (NFkB) was significantly activated in NO-treated RAW/SEK1-KI cells, whereas these transcriptional factor was not markedly activated in NO-treated RAW/SEK1-WT cells. Supershift analysis demonstrates that NFkB was composed of mainly p50 homodimer. Also pyrrolidine dithiocarbamate (PDTC), a strong inhibitor of NFkB, significantly inhibits the NO-induced apoptosis in RAW/SEK1-KI cells. Taken together, we suggest that SEK1 may play anti-apoptotic role in RAW cells from NO-induced apoptosis via the modulation of NFkB. In addition, in the absence of SEK1 kinase cascade activation, the viability of RAW cells may be mainly dependent on Ras/Raf/MEK/ERK pathway.
당귀용회환(當歸龍?丸)의 glutamate에 의한 청신경세포(聽神經細胞) 손상(損傷) 보호효과(保護效果)
유동희,박래길,소홍섭,이기남,정명수,Yu, Dong-Hee,Park, Rae-Gil,So, Hong-Seob,Lee, Ki-Nam,Chong, Myong-Soo 대한예방한의학회 2012 대한예방한의학회지 Vol.16 No.2
Objective : The water extract of Danguiyonghoihwan (DGYHW) has been traditionally used in treatment of tinnitus in Oriental Medicine. However, little is known about the mechanism by which DGYHW rescues auditory neuronal cells from injury damages. Therefore, in this study I effort to elucidate the mechanism of the cytoprotective effect of the DGYHW extract on glutamate-induced auditory sensorineuronal cell death. Methods : I determined the elevated cell viability by DGYHW extract on glutamate-induced auditory sensorineuronal cell death. Glutamate induced neuronal damage in oranotypic explant culture also, glutamate decreased cell viability on VOT-33 cells but pretreatment with DGYHW inhibited cell death. Results : One of the main mediator of glutamate-induced cytotoxicity was known to generation of reactive oxygen species (ROS). Pretreatment with DGYHW inhibited this ROS generation from glutamated-stimulated VOT-33 cells. Also, I identified that the ROS-induced DCF-DA green fluorescence is reduced by DGYHW pretreatment. The critical markers of apoptotic cell death were cleavages of procaspase-3 protease protein. So I checked the expression level and cleavage of procaspase-3 protease protein. Glutamate-treated VOT-33 cells were shown to have cleavage of procaspase-3 protease proteins and following reduction of expression of these proteins. But I found that pre-treatment with DGYHW protects glutamate-induced changes of biochemical marker protein, caspase-3. Conclusion : These findings indicated that DGYHW may prevent cell death from glutamate induced VOT-33 cell death by inhibiting the ROS generation and modulation of protein expressions in procaspase-3, catalase and Bcl-2.