• The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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• v.30 no.2
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• pp.155-164
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• 2017

Objectives : The purpose of this study is to report the effect and safety of Eunkyo-San on pityriasis rosea in children and to suggest antiviral effect of Eunkyo-san. Methods : We performed a retrospective chart review of three cases of pityriasis rosea in children younger than 10 years who treated with Eunkyo-san. Results : One patient recovered after taking Eunkyo-san 10 times for 10 days. The others recovered after taking Eunkyo-san 30 times for 22 days and hyperpigmentation was observed in one of them. Conclusions : It is expected that Eunkyo-san is thought to be effective and safe methods for the treatment of pityriasis rosea in children. Based on existing research, it is thought that Eunkyo-san has antiviral effect through the activation of immunological mechanism, and thus Eunkyo-san appears to have a therapeutic effect on pityriasis rosea.

• The Journal of Internal Korean Medicine
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• v.26 no.3
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• pp.521-532
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• 2005

Objectives & Methods : In order to evaluate the in vitro synergic effects or Eunkyo-san which is a traditional poly-herbal formula that has been used in the treatment of respiratory diseases in oriental medicine, and quinolone antibiotics, rufloxacin (RUFX) and iprofloxacin(CPFX), experimentation was designed to determine minimal inhibitory concentration(MIC), $MIC_{50}\;and\;MIC_{90}$ of single use of quinolones and concomitant treatment with Eunkyo-san against 5 strains of aerobic gram negative bacteria, Escherichia coli, Klebsiella peumoniae, Hemophilus influenzae, Citrobacter freundii and Pseudomonas aeruginosae. Result : In the case of aerobic gram negative bacteria, the MIC, $MIC_{50}\;and\;MIC_{90}$ against Klebsiella peumoniae and Citrobacter freundii significantly decreased in concomitant-treated groups with Eunkyo-san compared to those of single-treated groups of RUFX and CPFX, respectively. However, no significant changes were demonstrated against Echerichia coli, Hemophilus influenzae and Pseudomonas aeruginosae. Conclusion : According to these results, concomitant use of Eunkyo-san against some strains of aerobic gram-negative bacteria dramatically increases in vitro antibacterial activity of RUFX and CPFX, and the increase and selectivity of antibacterial activities against these strains is attributable to Eunkyo-san, and not RUFX or CPFX activity.

• Journal of Physiology & Pathology in Korean Medicine
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• v.19 no.4
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• pp.1039-1045
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• 2005

In order to evaluate the in vivo synergic effect of Eunkyo-san which was a traditional poly-herbal formula has been used in the treatment of respiratory diseases in Korea, with quinolone antibiotics, ciprofloxacin (CPFX), the viable bacterial number and histopathological changes were monitored after experimental respiratory infection with S. pneumoniae ATCC 6303. The obtained results were as follows: In CPFX groups, the viable bacterial numbers were significantly decreased compared to that of control group and these were more dramatically decreased compared to that of single treatment with CPFX, respectively in concomitant treated groups with Eunkyo-san. In control group, severe infiltration of inflammatory cells, hemorrhage and hypertrophy of alveolar linings were demonstrated at microscopical levels. However, these abnormal histopathological changes were significantly decreased compared to that of control group in CPFX groups, and these were more dramatically decreased compared to that of single treatment with CPFX, respectively in concomitant treated groups with Eunkyo-san. In CPFX groups, the LSA (luminal surface of alveoli $\%$) were significantly increased compared to that of control group and these were more dramatically decreased compared to that of single treatment with CPFX, respectively in concomitant treated groups with Eunkyo-san. According to these results, it is considered as the in vivo antibacterial activity of CPFX was dramatically increased by concomitant use of Eunkyo-san against S. pneumoniae ATCC 6303 infection of respiratory tract.

• Journal of Physiology & Pathology in Korean Medicine
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• v.18 no.6
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• pp.1740-1745
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• 2004

In order to evaluate the in vitro synergic effect of Eunkyo-san, with quinolone antibiotics, rufloxacin (RUFX), the minimal inhibitory concentration (MIC), MIC50 and MIC90 of single use of quinolones and concomitant treatment with Eunkyo-san against 9 strains of aerobic gram positive bacteria. The obtained results were as follows : In the case of aerobic gram positive bacteria, the MIC, MIC50 and MIC90 against Staphylococcus aureus, Staphylococcus aureus smith, Staphylococcus epidermidis, Staphylococcus pyogens, Streptococcus pneumoniae Type Ⅰ, Type Ⅱ and Type Ⅲ was significantly decreased in concomitant treated groups with Eunkyo-san compared to those of single treated groups of RUFX, respectively. However, no significant changes were demonstrated against Bacillus subtilis and Enterococcus faecalis. In conclusion, the in vitro antibacterial activity of RUFX were increased against some strains of aerobic gram positive strains, especially, pneumococcus such as Staphylococcus and Streptococcus by concomitant use of Eunkyo-san.

• Journal of Physiology & Pathology in Korean Medicine
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• v.19 no.3
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• pp.753-759
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• 2005

In order to evaluate the in vivo synergic effect of Eunkyo-san with quinolone antibiotics, rufloxacin (RUFX), the viable bacterial numbers and histopathological changes were monitored after experimental respiratory infection with Klebsiella peumoniae NCTC 9632. The obtained results were as follows : In RUFX group, the viable bacterial numbers were significantly decreased compared to those of control group and these were more dramatically decreased compared to those of single treatment with RUFX, respectively in concomitant treated groups with Eunkyo-san. In control group, severe infiltration of inflammatory cells, hemorrhage and hypertrophy of alveolar linings were demonstrated at microscopical levels. However, these abnormal histopathological changes were significantly decreased compared to those of control group in RUFX group, and these were more dramatically decreased compared to those of single treatment with RUFX, respectively in concomitant treated groups with Eunkyo-san. In RUFX group, the LSA% (luminal surface of alveolar%) were significantly increased compared to those of control group and these were more dramatically decreased compared to those of single treatment with RUFX, respectively in concomitant treated groups with Eunkyo-san. According to these results, it is considered that in vivo antibacterial activity of RUFX group was dramatically increased by concomitant use of Eunkyo-san against K. pneumoniae NCTC 9632 infection of respiratory tract.

• The Journal of Korean Medicine
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• v.26 no.1 s.61
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• pp.195-205
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• 2005

Objective & Methods: To evaluate the in vitro synergic effect of Eunkyo-san, a traditional poly-herbal formula used in the treatment of respiratory diseases in oriental medicine with quinolone antibiotics, represented by ciprofloxacin (CPFX), which was used in the minimal concentration (MIC), $MIC_{50}$ and $MIC_{90}$. of single use of quinolones in concomitant treatment with Eunkyo-san against 9 strain$ of gram positive bacteria. Results: In. the case of aerobic gram positive bacteria, the MIC, $MIC_{50}$ and $MIC_{90}$ against Staphylococcus aureus, Staphylococcus aureus smith, Staphylococcus epidermidis, Streptococcus pyogenes, Streptococcus pneumoniae Type I, Type II and Type III were significantly decreased in concomitant treated groups with Eunkyo-san compared to those of single treated groups of CPFX, respectively. However, no significant changes were demonstrated against Bacillus subtilis and Enterococcus faecalis. Conclusion: The in vitro antibacterial activity of CPFX were increased against some strains of gram positive strains, especially, pneumococcus such as Staphylococcus and Streptococcus, by concomitant use of Eunkyo-san.

• Journal of Physiology & Pathology in Korean Medicine
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• v.18 no.3
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• pp.837-840
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• 2004

The purpose of this research was to investigate the effect of Eunkyo-San(EKS) on the immune system. Administration of EKS(500 mg/kg) enhanced viability of splenocytes and thymocytes in BALB/c mice, and also EKS increased of splenic B, T lymphocytes and thymic T lymphocytes, significantly increased CD4 positive TH cells. EKS markedly enhanced the production of -interferon in mice serum. EKS accelerated the production of nitric oxide in peritoneal macrophages. These results suggest that EKS have an immune-enhancing activity.

• The Journal of Internal Korean Medicine
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• v.21 no.4
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• pp.621-631
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• 2000

Objective : In this study, the medicine herbs above were directly treated to cultured normal lung cells and lung carcinoma cells, and the effects were investigated to develope new cancer treatments with increased anti-cancer efficiency as well as decreased side-effects and to suggest more useful clinical therapies. Materials and Methods : In the experiment, WI-26 VA lung normal cell line and A-427 lung carcinoma cell line were cultured. To observe the morphological change of the treated cells, were subjected to Giemsa staining and observed under Reflected Fluorescence microscope. To examine whether cell death occurred, cells observed under Reflected Fluorescence microscope, To investigate the degree of cell death in the nucleus, cells were screened by Laser cytometry ACAS 570. Results : Samgibopye-tang(Shenqibufei-tang) stimulated not only the growth of the normal cells but also that of the carcinoma cells, Wikyeung-tang(Weijing-tang) induced morphological change such as cytoplasmic constriction in the normal cells and the carcinoma cells, but it did not show any strong inhibitory effect on the cell growth. Samso-eum(Shensu-yin) caused severe cell damage in both cell lines, Eunkyo San(Yinqiao-san) significantly damaged the nuclei and caused weak cytoplasmic constriction in both cell lines, Normal cells treated with Gilgyeung-tang(Jingeng-tang) did not show any significant morphological change while some Gilgyeung-tang(Jingeng-tang) treated carcinoma cells were observed to have a normal cell-like shape, interestingly, conclusions : As the results above, Samgibopye-tang(Shenqibufei-tang), Wikyeung-tang(Weijing-tang), and Gilgyeung-tang(Jingeng-tang) helped the growth of both cell lines, and especially Samgibopye-tang(Shenqibufei-tang) showed the best effect, However, Samso-eum(Shensuyin) and Eunkyo-san(Yinqiao-san) caused lethal damage in the normal cells and also showed strong toxicity in the carcinoma cells.

• The Journal of Korean Medicine
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• v.43 no.1
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• pp.33-41
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• 2022

Objectives: Drug-induced blockade of the human ether-à-go-go related gene (hERG) potassium ion channel causes acquired long QT syndrome, which is known to cause cardiac arrhythmias and be fatal. To establish safety evidence of herbal formulae, we evaluated the effects of 31 herbal formulae on hERG channel activity. Methods: The current through hERG channel was measured by changing the membrane voltage before and after treatment with 31 herbal formulae in HEK 293 cell overexpressing hERG channel using a whole-cell patch clamp system. The current-voltage curves and the activity curves were fitted, and the hERG activity and 50% inhibitory concentration (IC₅₀) according to each herbal formula were calculated. Results: Chokyungjongok-tang, Oncheong-eum, and Cheongsangbangpung-tang strongly inhibited the hERG activity, with IC₅₀ values of 67.67, 141.2, and 296.3 ㎍/mL, respectively. Yeonkyopaedok-san, Eunkyo-san, Ukgan-san gajinphibanha, Daegunjoong-tang (except Oryzae gluten), Insamyangyoung-tang, Banhahubak-tang, SokyungHwalhyul-tang, Jodeung-san, Hyeonggaeyeongyo-tang, and Bangkeehwangkee-tang weakly inhibited hERG activity, with IC₅₀ values ranging from 400 to 1000 ㎍/mL. The other 18 herbal formulae showed very weak hERG activity inhibition of less than 50% at the highest concentration (1000 ㎍/mL). Conclusion: This study provided safety information on cardiotoxicity by cardiac arrhythmia risk assessment of herbal formulae, and is expected to be a reference data for predicting the safety and risk of herbal formulae.

• The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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• v.33 no.4
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• pp.126-132
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• 2020

Objectives : The study is to report cases of open/closed types of epidermal cyst removed by surgical method with Bufonis Venenum pharmacopuncture. Methods : 2 patients were diagnosed each open/closed epidermal cyst. Local anesthesia was achieved with Bufonis Venenum pharmacopuncture. Incision was made using 15^th blade and the CO₂ Hani-maehwa laser. After cyst was removed, simple interrupted suture was performed. Eunkyo-san and Yeonkyopaedok-san were administered respectively for 7 days for anti-inflammatory effects. Results : Local anesthesia was maintained until epidermal cysts were clearly removed. The suture was removed after confirmation of skin adhesion. Adverse reactions were not reported. Conclusions : Epidermal cysts were removed surgically after Bufonis Venenum pharmacopuncture anesthesia and the risk of infection can be prevented by administering herbal medicines that have anti-inflammatory properties. It is difficult to visually diagnose closed type of epidermal cyst and then suggests that imaging equipment such as ultrasound is required.