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마우스에 있어서 Dermatophilus 양 균에 의한 농양의 형태 병리 발생
하창수,박응복,Ha, Chang-su,Bak, Ung-bok 대한수의학회 1993 大韓獸醫學會誌 Vol.33 No.4
NC strain mice were inoculated intraperitoneally with Dermatophoilus-like microorganism strain W254 isolated from the sulfur granules of the swine tonsils. The development of the resulting abscesses in NC strain mice was investigated at regular time intervals by means of histological, histochemical and electron microscopical methods. The results obtained were as follows ; 1. The inoculated bacteria have settled in the subserous site of the peritoneal organ and provoked cellular response to form neutrophil, macrophage and connective tissue layers at the time of one week after inoculation, and thereafter were found to have formed typical actinomycotic abscess two weeks after inoculation. 2. The persistant abscesses were appeared to reveal close interaction between higher activity of organism and tissue reaction and contained hyaloid bodies within or outside bacterial clumps. 3. The hyaline materials were appeared to be composed of protein rich in hydroxyphenyl group by histochemical examination. The materials were presumed to be produced by the interaction between bacterial activity and host cell reaction. 4. The bacteria in the abscesses showed the various developmental stages of coccoid body, mulberry-like body tuber-shaped body and filamentous body, and it was confirmed that the mesosomal development was related to septation of the bacterial cells.
Cyclophosphamide로 Rat에 유도된 악성빈혈에 대한 숙지황의 증(蒸)수에 따른 치료효능에 관한 연구
하창수,성현제,지옥표,마진열,Ha, Chang-Su,Sung, Hyun-Jea,Zee, Ok-Pyo,Ma, Jin-Yeul 한국생약학회 2000 생약학회지 Vol.31 No.3
Rhizoma Rehmanniae Preparata is a Chinese herbal tonic. The hemopoietic effects of Rhizoma Rehmanniae Preparata(4-time steamed Jihwang, 4-time steamed double dose Jihwang, 8-time steamed Jihwang, 8-time steamed double dose Jihwang) were examined using in vitro rat(SD) model. Cyclophosphamide(150 mg/kg) was injected into experimental groups and control group to induce bone marrow suppression. Oral administration of Rhizoma Rehmanniae Preparata suppressed hormone levels of $T_4\;and\;T_3$. Reticulocyte count was increased by the bone marrow suppression.
게잡이 원숭이에 있어 rHuEPO(HM10760)의 단회 투여 후 혈액학 및 혈액생화학적 변화
김충용(Choong-Yong Kim),이현숙(Hyun-Sook Lee),이필수(Pil-Soo Lee),하창수(Chang-Su Ha),권세창(Se-Chang Kwon),이관순(Gwan Sun Lee),송창우(Chang-Woo Song),한상섭(Sang-Seop Han) 한국독성학회 2006 Toxicological Research Vol.22 No.1
Changes in hematology and serum biochemistry after treatment of recombinant human erythropoietin (rHuEPO, HM10760) were screened in 4 male cynomolgus monkeys (Macaca fascicularis). Four monkeys, composed of a treatment group of HM10760 and a positive control group of Aranesp<SUP>®</SUP>, were subcutaneously administered at same dose of 100 ㎍/㎏. Both groups did not show any change in body weights and food consumption for 4 weeks compared with those of pretreatment. Both groups did not show any change in total leukocyte count (WBC) and platelet count, while both groups showed increased platelet distribution width (PDW) percentage in HM10760 group during a period from day 5 to day 59 and in Aranesp<SUP>®</SUP> group during a period from day 9 to day 26. Both groups showed increases in red blood cells (RBC), hemoglobin (HGB), and hematocrit (HCT) approximately 10 days after treatment compared with those of pretreatment (day 0). The increased levels of RBC, HGB, and HCT were much higher in HM10760 than in Aranesp<SUP>®</SUP> by the increases of 3.2%~ 12.5% for RBC, 3.8%~17.1% for HCT, and 1.85%~11% for HGB. Both groups showed increases in red cells distribution width (RDW) and reticulocyte (RET) compared with those of pretreatment, showing the highest peak from day 9. The increased level of RET lasted up to day 14 in Aranesp<SUP>®</SUP> group, while it lasted up to day 23 in HM10760 group. The increased level of RDW lasted up to day 59, it was much higher in HM10760 by the increase of 10.1%~17.6% than in Aranesp<SUP>®</SUP> group. In serum biochemistry, both groups showed a decrease in chloride level compared with those of pretreatment. These findings indicated that HM10760 increased RBC, HGB, HCT, RDW, and RET compared with those of pretreatment, and the increased levels were much higher in HM10760 than in Aranesp<SUP>®</SUP>.
오리 부고환(副睾丸) 및 정관(精管)의 주령별(週齡別) 조직학적(組織學的) 및 조직화학적(組織化學的) 연구(硏究)
이재홍,하창수,Lee, Jae-Hong,Ha, Chang-Su 대한수의학회 1983 大韓獸醫學會誌 Vol.23 No.2
This study was made for the better information of the male reproductive system on the meat-type drake, Cherry Belly X White Golden. The epithelium of ductules of epididymal region and deferent duct were observed histologically and histochemically with the progress of their development. India-ink absorbability on the luminal epithelium was also investigated after the administration of India-ink. The results are as follows; 1. Rete testis and various round ductules in immature form appeared in epididymis within 6 weeks after hatching, and simple cuboidal and simple columnar epithelium were found in the epithelia of the ductules within 8 weeks after hatching. Larger ductules were found on epididymal surface which was in the developing stage near to the immature efferent ductule. From 10th to 20th week, various ductules appeared in epididymis, and developing form of efferent ductules were much more increased on epididymal surface. The luminal epithelium of the ductules were composed of ciliated simple columnar and pseudostratified ciliated columnar cells. At the same time, deferent duct appeared. From the 21th week, various ductules in epididymis became abruptly matured. Lumen of rete testis was lined by simple squamous or simple cuboidal epithelium, and that of efferent ductules, having many folds and being larger than any others were lined by pseudostratified ciliated columnar epithelium in which ciliated columnar cells, non-ciliated cells(clear cells) and basal cells were noted. Connecting tubules of star shaped lumen were composed of pseudostratified ciliated columnar epithelium in which ciliated columnar cells, nonciliated cells, and basal cells were observed. The luminal surface of epididymal ducts was smooth and has thick pseudostratified columnar epithelium which was composed of high columnar cells and basal cells. From 26th week after hatching, sperm pooling was started in various ductules. 2. From 4th to 10th week, simple cuboidal epithelium of deferent duct transformed to simple columnar epithelium with the progress of aging. At the basement of epithelium, clear round cells were noted. From 12th to 20th week, high columnar cells with enlongated nucleus were noted on the luminal border of deferent ducts, forming folds of pseuclostratified columnar epithelium. From 20th week, the deferent duct started to have septa in it's lumen and composed mainly of pseudostratified columnar epithelium, and round cells disappeared. From 20th week, the lumen diameter of deferent duct became wider with the progress of aging, but there was no difference among the values of lumen diameter in upper, middle, and lower part of deferent ducts. At 26th week, the pooling period of sperms in deferent ducts, the lumen diameter became rapidly widen, especially in the lower part of deferent ducts. Thickness of muscular layer of ductus deferens showed gradual growth within 24 weeks but did abrupt thickening from 26th week. 3. Saliva resistant PAS granules were dotted on the top of nucleus in efferent ductules epithelium but the amount of the granules were little in the connecting ductules's epithelium. The granules reactive to acid phosphatase were abundant in the some epithelial cells of efferent ductules and connecting ductules, especially above the nucleus of cells. The granules reactive to alkaline phosphatase were noted on the luminal border of efferent ductules. Parts of free border of efferent ductules and middle portion of deferent ducts were stained slightly by alcian blue technique. India ink granules were found mainly in the epithelium of efferent ductules but were few in that of connecting ductules.
개의 전침마취(電針痲醉)의 통전량(通電量)에 관한 실험적연구(實驗的硏究)
서두석,하창수,이채용,Suh, Doo-Seok,Ha, Chang-Su,Lee, Chai-Yong 대한수의학회 1983 大韓獸醫學會誌 Vol.23 No.1
In the present study, the optimal electric current and induction time of the acupuncture anesthesia were determined and the clinical signs during and after the acupuncture anesthesia were observed in 90 Korean native dogs. The results were summarized as fellows. 1. Optimal electric current was 11-13 Hz at 1.0 volt initially with gradual increase up to 22-26 Hz at 5.0-6.0 volts after 5 minutes. 2. The induction time was 7-20 minutes in all cased; 55.8% out of them showed the induction time of 7-10 minutes. 3. No differences were found in the analgesic effect and clinical signs between ages and between body weights. There were individual differences in the induction time and the optimal electric current. The respiratory and pulse rates were lower at 5 minutes after the removal of the needles than 5 minutes before attachment of needles to the electrodes.