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Phellinus linteus 균사 배양물로부터 분리한 단백다당체 Kp의 항암활성
정경수(Kyeong Soo Chung),김신숙(Shin Sook Kim),김희수(Hee Soo Kim),한만우(Man Woo Han),김병각(Byoung Kak Kim) 대한약학회 1994 약학회지 Vol.38 No.2
A protein-polysaccaride fraction Kp(53.9% polysaccharide, 14.2% protein) was separated from the shake-cultured mycelia of a basidiomycetous fungus, Phellinus linteus, and its antitumor activity against sarcoma 180 in ICR mice was investigated. When administered after the tumor implantation, Kp exerted antitumor activity by inhibiting the growth of the sarcoma 180 solid tumor by 71.5% and increasing the life span of the sarcoma 180 ascitic mice by 51.5% at 100 mg/kg. In pretreatment tests, in which Kp was administered once daily for 9 days before the tumor implantation, Kp inhibited the growth of the solid and ascites form of sarcoma 180, respectively, by 35.4% and by 80.3% at 100 mg/kg. However, Kp showed no in vitro cytotoxic activity against a murine leukemia L1210 and a human gastric tumor SNU.1 upto the concentration of 200 mcg/ml. From these results, it is clear that the antitumor activity of Kp is exerted through its immunomodulating activity on the host''s immune system.
김병각(Byong-Kak Kim),정경수(Kyeong-Soo Chung),최응칠(Eung-Chil Choi),김혜령(Hye-Ryung Kim),박희주(Hee-Ju Park),조필형(Pil-Hyoung Cho) 한국생약학회 1983 생약학회지 Vol.14 No.3
To examine effects of oriental pharmaceutical preparations on immunity, four of such preparations which are currently being used were examined. After their fluid extracts were injected intraperitoneally to ICR mice, the counts of total cell number, PMN and macrophage in the peritoneal cavity were made by using non-specific esterase staining method, and plaque-forming cells (PFC) were measured by using the modified method of Cunningham and Jerne. The results showed that Bo-Jung-Ik-Ki-Tang, Ih-Jung-Tang, Ohn-Kyeong-Tang and Ke-Ji-Bok-Ryeong-Hwan-Ka-Dae-Hwang increased both the macrophages and the total cells of the peritoneal cavity and that these preparations increased the number of PFC in the spleen. Therefore the data indicate that they potentiate both of the cell-mediated and humoral immunities in the mice.
Taxonomic Investigations on Korean Higher Fungi(Ⅲ)
김병각(Byong Kak Kim),최응칠(Eung Chil Choi),정경수(Kyeong Soo Chung),이영수(Young Soo Lee) 한국생약학회 1976 생약학회지 Vol.7 No.3
著者등은 1976년 7月 17日부터 同年 11月 14日까지의 期間동안 서울과 경기도內 5개지역 (서울 : 관악산, 경기도 : 수원, 광릉, 갈매리, 오산리)으로부터 100여種외 韓國産 高等菌類를 채집하였으며, 이중 31種을 分類 確認하였다. 分類된 31種中 9種 즉 ① Scutellinia scutellata(St. A_(MANS)) L_(Am) ② Pexiza vesiculsa F_R. ③ Helvella atra F_R. ④ Neobulgaria Aura (P_(ERS).) P_(ETRAK) ⑤ Trametes coccinea F_R. ⑥ Amanita melleiceps H_(ONGO) ⑦ Cotylidia burtina (P_T.) I_(MAZ). ⑧Sarcodontia copelandii (P_(AT).) I_(MAZ). comb nov. ⑨ Sphaerobolus stellatus P_(ERS).은 한국 미기록 종이며, 이외에 2種 ① Lycoperdon D.M.C-2 및 ②Tuber melanosporum도 잠정적으로 미기록種이라 사료된다. 한편 Neobulgaria pria P_(ERS).가 속해있는 科인 Helotiaceae와 Sphaerobolus stellatus P_(ERS).가 속해있는 科인 Sphaerobolaceae는 各各 한국 미기록科이다. 이에 저자등은 이들에게 신청을 붙여 各各의 外部형태와 현미경적 특징에 대하여 기술하고, 이들의 사진과 함께 보고하는 바이다.
한국산 담자균류의 배양균사에 함유된 항암성분에 관한 연구
정경수(Kyeong Soo Chung),김병각(Byong Kak Kim) 한국생약학회 1982 생약학회지 Vol.13 No.4
To develops new antitumor constituents from higher fungi, eight species of edible basidiomycetcs were shake-cultured and investigated for antitumor constituents using sarcoma 180 as a tumor cell and ICP mice as test animals. Among the tested species, Pluteus cervinus, Hydnum repandrm, Laccaria laccata, and Pleurotus pulmonarius were recognized to produce antitumor components and P. cervinus. was selected for further study. Four fractions were made from the mycelia and three from the culture filtrate of P. cervinus. Fach fraction was tested for its antitumor activity. The most active fraction was the water soluble fraction obtained from the hot water extract of the mycelia. The tumor inhibition ratio of this fraction were 73.9%, 86.3%, and 87.8%, when administered, i.p., at the dose level of 10㎎, 20㎎, and 50㎎/㎏/day for ten days. This antitumor fraction was subjected to gel filtration on Sephadex G-200 to be separated into two fractions. The higher molecular weight fraction which showed an anthrone positive sharp peak on Sephadex G-204 was fund to be active of the two and tenatively named cerviran A. When chemically assayed, cerviran A was found to be a protein-Bound polysaccharide. The polysaccharide moiety was composed of five sugars, and the protein moiety, 17 amino acids.