• Title/Summary/Keyword: herbal toxicity

Search Result 437, Processing Time 0.026 seconds

Effect of Ullmus macrocarpa Hance Ethanol extract (Ulmus) on Improvement of allergic responses in RBL-2H3 mast Cells (RBL-2H3 비만세포에서 유백피 에탄올 추출물의 알레르기 반응 개선에 대한 효과)

  • Do, Hyun Ju;Oh, Tae Woo
    • Herbal Formula Science
    • /
    • v.29 no.4
    • /
    • pp.191-203
    • /
    • 2021
  • Objectives : In this study, we investigate the anti-allergic effects of Ullmus macrocarpa Hance (Ulmus) on RBL-2H3 mast cell (basophilic leukemia cell line), which are mediated by FcεRIs. Methods : We evaluated the effect of the ethanol extract of Ulmus on the allergic inflammatory response in IgE-antigen-mediated RBL-2H3 cells. Cell toxicity was determined by MTT assay and the markers of degranulation such as beta-hexosaminidase, histamine, PGD2, TNF-α, IL-4, IL-6 production of inflammatory mediators and FcεRI-mediated protein expression by western blot. Results : Ulmus inhibited degranulation and production of allergic mediators (e.g., TNF-α, IL-4, and IL-6) in them. Ulmus reduced histamine levels, expression of FcεRI signaling-related genes such as Lyn, Syk, and Fyn, and extracellular signal-regulated kinase phosphorylation in mast cells. Also, Ulmus reduced PGD2 release and cyclooxygenase-2 expression, and cytosolic phospholipase A2 phosphorylation in FcεRI-mediated RBL-2H3 mast cells. Conclusions : These results indicate that Ulmus exhibits anti-allergic activity through inhibition of degranulation and inflammatory mediators and cytokine release. These findings suggest that Ulmus may have potential as a prophylactic and therapeutic agent for the treatment of various allergic diseases.

Protective Effects of the Calyx of Diospyros kaki Thunb. on H2O2-induced Oxidative Stress in C2C12 Myoblasts (C2C12 근육세포에서 과산화수소로 유도된 산화 스트레스에 대한 시체(柿蒂)의 보호효과)

  • Park, Jeong Hwan;Lim, Jinyeong;Lee, Mina;Seong, Eunjeong;Lee, Junsoo
    • Herbal Formula Science
    • /
    • v.29 no.4
    • /
    • pp.181-189
    • /
    • 2021
  • Objectives : The calyx of Diospyros kaki Thunb. has usually been used to treat obstinate hiccup. This study investigated the protective effects of Diospyros kaki using C2C12 myoblasts of H2O2-induced oxidative stress. Methods : Cell viability and cytotoxicity were determined by MTT assay. The level of reactive oxygen species (ROS), malondialdehyde (MDA), and reduced glutathione (GSH) were measured by using optical properties. Results : The calyx of Diospyros kaki Thunb. extract showed no toxicity to C2C12 myoblasts until 20 ㎍/mL concentration and increased cell viability compared to the H2O2 treated group. The calyx of Diospyros kaki Thunb. extract inhibited the production of ROS and MDA at all concentrations. In addition, the calyx of Diospyros kaki Thunb. extract increased the concentration of GSH. Conclusion : This study provides that the calyx of Diospyros kaki Thunb. can be used as a potential material that exhibit antioxidative and protective effects on H2O2-induced oxidative stress in C2C12 Myoblasts.

Study on Efficacy and Safety of High Dose MOK Pharmacopuncture in Hypothyroidism-induced Rats with Propylthiouracil (PTU 투여 갑상선기능저하증 유발 랫드모델에서 고용량 MOK 약침의 효능 및 안전성 평가 연구)

  • Hwang, Ji Hye;Im, Wu Hyun;Jung, Chul;Jung, Hyo Won
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.33 no.2
    • /
    • pp.123-130
    • /
    • 2019
  • In this study, we investigated the effects of MOK pharmacopuncture at high-doses which are increased 10 to 100-fold in clinics, on propylthiouracil (PTU)-induced hypothyroidism in rats and the safety. We measured the changes of body weight, food and water intake, body temperature, the serum levels of thyroid hormones (TSH, T3, and T4), AST and ALT, glucose, lipid metabolites (total cholesterol, HDL-cholesterol, LDL-cholesterol, and triglyceride) and observed histopathological changes of thyroid tissues by H&E staining. We also analyzed the peaks of constituents of MOK using HPLC. In the results, the treatment of MOK pharmacopuncture at high-dose (30 mg/kg) in hypothyroidism-induced rats for 2 weeks was shown the improvement effects on the decrease of body weight, food intake, and body temperature, The MOK pharmacopunture at high dose regulated the imbalance of thyroid hormones, glucose, and lipid metabolites and also inhibited the structural damages of thyroid tissues. In liver damage, the MOK pharmacopuncture at high dose reduced the increase of AST and ALT levels in hypothyroid rats. We identified the MOK constituents in HPLC analysis. In conclusion, the treatment of MOK pharmacopuncture at high dose has a therapeutic effect on hypothyroidism without liver toxicity, suggesting that the MOK pharmacopuncture be usefully applicable to treat with hypothyroidism in clinics.

Effects of Combination Therapy with Anti-Obesity Herbal Medicine Including Ephedra Herba and Lorcaserin in Obese Patients: Two Case Reports (마황이 포함된 한방비만 처방과 Lorcaserin 병용 투여 후 호전된 비만 환자 치험 2예)

  • Kim, Min-Jee;Choi, Han Seok;Kim, Hojun
    • Journal of Korean Medicine for Obesity Research
    • /
    • v.19 no.1
    • /
    • pp.79-87
    • /
    • 2019
  • Although there has been many studies about the co-administration of herb formula and western medicine, there is none about obesity. The aim of this study was to report the effects of co-administration of herb formula containing ephedra sinica and lorcaserin on two obese patients for about 2~4 months. During the treatment, we checked body weight and body composition, and collected blood samples to evaluate liver, kidney, thyroid function and lipid profile. This treatment not only decreased body weight but also improved body composition and lipid profile in both patients. There was no hepatic or renal toxicity, nor any serious side effects of treatment. This study demonstrated that co-administration of herb formula containing ephedra sinica and lorcaserin is a safe and effective therapy to lose weight and improve metabolic parameters for obese patients. Further large-scale clinical trials are needed to evaluate the anti-obesity effect of the combination of herbal and western medicines.

Case Report of Chemotherapy-Induced Peripheral Neuropathy Treated with Korean Medicine (항암화학요법 유발 말초신경병증에 대한 한방치험 1례)

  • Shin, Hyeryung;Seo, Wookcheol;An, Sung-Hu;Won, Jin-hee;Song, Bong-keun
    • The Journal of Internal Korean Medicine
    • /
    • v.42 no.2
    • /
    • pp.104-113
    • /
    • 2021
  • Introduction: The aim of this study is to report on the effectiveness of Korean medicine to improve symptoms of chemotherapy-induced peripheral neuropathy (CIPN). Some patients are treated with medication, but medications may have no effect in some patients. Korean medicine treatments have been used in such patients, but few reports exist. Case Presentation: A 58-year-old female patient with CIPN reported symptoms of bilateral limb pain and tingling sensations as well as cold sensations in bilateral lower legs and hands, fatigue, and bilateral limb weakness. To reduce the patient's symptoms, we provided Korean medical treatment, including herbal medicine (Uchashinki-hwan), acupuncture, and moxibation. To evaluate the results of this treatment, we used a numeric rating scale (NRS), the manual muscle test (MMT), the National Cancer Institute Common Toxicity Criteria for Adverse Events (CTCAE), and the European Organization for Research and Treatment of Cancer quality-of-life questionnaire about CIPN (EORTC-QLQ-CIPN20). After 49 days of treatment, the NRS scores decreased for bilateral limb pain and tingling, for bilateral lower leg and hand cold sensation, and for fatigue. The MMT results for the upper and lower extremities were improved. CTCAE Grade and EORTC QLQ-CIPN20 score were also decreased. Conclusion: According to these results, Korean medicine treatment may be considered an effective treatment for CIPN. Prospective studies are needed in the future to confirm and expand these findings.

Case Study of Korean Medical Treatment for Major Aphthous Oral Ulcers (대아프타성 구강 궤양에 대한 한방 치료 증례 보고)

  • Su-Hyun Choi;Chang-Yul Keum;Aram Han;Chae-Rim Yoon;Nahyun Jeong;Dahee Jeong;Na-yeon Ha;Jinsung Kim
    • The Journal of Internal Korean Medicine
    • /
    • v.44 no.2
    • /
    • pp.107-116
    • /
    • 2023
  • Objective: This case study reports on the results of the Korean medical treatment of a major aphthous oral ulcer patient. Methods: A 19-year-old male Korean patient with a major aphthous oral ulcer received acupuncture, herbal medicine, and moxibustion for three weeks in a hospital. Results: After treatment, changes were observed in the numeric rating scale (NRS) from 8 to 5, World Health Organization oral toxicity scale (WHO OTS) from grades 3 to 2, oral perception guide from 11 to 15, and Oral Health Impact Profile-14 (OHIP-14) from 19 to 34. Conclusion: It is worth examining the progress of Korean medical treatment for a major aphthous oral ulcer patient.

Anti-Allergic Effects of Angelica gigas Nakai and Corni fructus extract (AC) on degranulation and production of cytokine in RBL-2H3 mast Cells (RBL-2H3 세포에서 당귀(當歸) 및 산수유(山茱萸) 복합추출물의 알레르기 개선에 대한 효과)

  • Tae Woo Oh
    • Herbal Formula Science
    • /
    • v.31 no.4
    • /
    • pp.315-325
    • /
    • 2023
  • Objectives : Recently, research has been actively conducted on the efficacy of complexes based on oriental medicine prescriptions for improving immune activity and allergies. In this study, In this study, we aimed to examine the effect of Angelica gigas Nakai and Corni fructus extract (AC), medicinal herbs, among candidate drugs derived through preliminary experiments with various components of oriental medicine prescriptions for allergies, on allergies in RBL-2H3 cells. Methods : We evaluated the effect of the ethanol extract of Ulmus on the allergic inflammatory response in anti-DNP-IgE activated DNP-HSA in RBL-2H3 cells. Cell toxicity was determined by WST-1 assay and the markers of degranulation such as beta-hexosaminidase, histamine, TNF-α and IL-6 production of inflammatory mediators and FcεRI-mediated expression. Results : The results showed that treatment with AC extract (20, 40 and 80㎍/㎖) noncytotoxic levels and significantly inhibited the release of β-hexosaminidase, histamine and the production of TNF-α and IL-6 in RBL-2H3 by the antigen stimulation. Conclusions : These results indicate that AC extract exhibits anti-allergic activity through inhibition of degranulation and inhibition of inflammatory mediators and cytokine release. These findings suggest that AC extract may have potential as a prophylactic and therapeutic agent for the treatment of various allergic diseases.

Sub-acute toxicity and effect of Hwangryunhaedok-tang on human drug-metabolizing enzymes

  • Jin, Seong Eun;Lee, Mee-Young;Seo, Chang-Seob;Shin, Hyeun-Kyoo;Cho, Jae-Woo;Ha, Hyekyung
    • The Journal of Korean Medicine
    • /
    • v.38 no.2
    • /
    • pp.15-30
    • /
    • 2017
  • Objectives: Hwangryunhaedok-tang (HHT; Huanglianjiedu-tang, Orengedoku-to), a traditional herbal formula, is used for treating inflammation, hypertension, gastritis, liver dysfunction, cerebrovascular diseases, dermatitis and dementia. The objective of this study was to assess the sub-acute toxicity of HHT in Sprague-Dawley (SD) rats, and its effect on the activities of human microsomal cytochrome P450s (CYP450s) and UDP-glucuronosyltransferases (UGTs). Methods: Male and female SD rats were orally administered HHT once daily at doses of 0, 500, 1000 and 2000 mg/kg for 4 weeks. We analyzed mortality, clinical observations, body weight, food consumption, organ weights, urinalysis, hematology, serum biochemistry, and histopathology. The activities of major human CYP450s (CYP1A2, CYP3A4, CYP2B6, CYP2C9, CYP2C19, CYP2D6, and CYP2E1) and UGTs (UGT1A1, UGT1A4, and UGT2B7) were assessed using in vitro fluorescence- and luminescence-based enzyme assays, respectively. Results: No toxicologically significant changes related to the repeated administration of HHT were observed in both male and female SD rats. The no observed adverse effect level (NOAEL) value was more than 2000 mg/kg/day for both sexes. HHT inhibited the activities of human microsomal CYP1A2, CYP2C19, CYP2D6, and CYP2E1, whereas it weakly inhibited the activities of CYP2B6, CYP2C9, CYP3A4, and UGT1A1. In addition, HHT negligibly inhibited the activities of human microsomal UGT1A4 and UGT2B7 with $IC_{50}$ values in excess of $1000{\mu}g/mL$. Conclusions: Our findings indicate that HHT may be safe for repeated administration up to 4 weeks. In addition, these findings provide information on the safety and effectiveness of HHT when co-administered with conventional drugs.

Traditional Korean Medicine for Skin Toxic Side Effects from Afatinib in a Non-Small Cell Lung Cancer Patient: A Case Report (Afatinib 복약 후 발생한 비소세포성 폐암환자의 피부독성 부작용에 대한 한방치료 1례)

  • Shim, So-hyun;Seo, Hee-jeong;Choi, Jin-yong;Bae, Go-eun;Seo, Hyung-bum;Kim, So-yeon;Han, Chang-woo;Park, Seong-ha;Yun, Young-ju;Lee, In;Kwon, Jung-nam;Hong, Jin-woo;Choi, Jun-yong
    • The Journal of Internal Korean Medicine
    • /
    • v.39 no.5
    • /
    • pp.973-983
    • /
    • 2018
  • Objectives: We report a case of traditional Korean medicine (TKM) treatment for skin side effects after taking afatinib (Giotrif$^{(R)}$). Methods: A 62-year-old female who was diagnosed with non-small cell lung cancer stage 4 (T4N2M1b) and was on treatment with afatinib (29.56 mg/day for 4 months) complained of skin toxicity as a side effect. For 16 admission days, the patient was treated with acupuncture, moxibustion, and herbal medicine (oral decoction and external ointment). Results: Improvement of skin toxicity was measured by a numeric rating scale. In addition, Quality of life (QOL) was measured using EORTC Quality of Life Questionnaire, Core 30 (EORTC QLQ-C30) and EORTC Quality of Life Questionnaire, 13-item lung cancer-specific module (EORTC QLQ-LC13) Developed by the European Organization for Research and Treatment of Cancer (EORTC). Tumor size and carcinoembryonic antigen (CEA) were also examined during follow up. Conclusions: After a combined TKM treatment, skin toxicity symptoms and quality of life scales were significantly improved with no side effects. The tumor size was not changed on computed tomography during follow-up period. CEA levels were decreased.

Single-dose Intramuscular Injection Toxicology of Danggui Pharmacopuncture (DGP) in Sprague-Dawley Rats

  • Sun, SeungHo;Jeong, JongJin;Park, Sunju;Lee, KwangHo;Yu, JunSang;Seo, Hyung-Sik;Kwon, KiRok
    • Journal of Pharmacopuncture
    • /
    • v.18 no.1
    • /
    • pp.56-62
    • /
    • 2015
  • Objectives: The purpose of the study is to assess both the approximate lethal dose and the single dose intramuscular injection toxicity of Danggui (Angelica gigantis radix) pharmacopuncture (DGP) in Sprague-Dawley (SD) rats. Methods: The experiments were conducted at the good laboratory practice (GLP) laboratory, Biotoxtech Co., which is a laboratory approved by the ministry of food and drug safety (MFDS). The study was performed according to the GLP regulation and the toxicity test guidelines of the MFDS (2009) after approval of the institutional animal care and use committee of Biotoxtech. Single doses of DGP were injected intramuscularly into the rats in three test groups of 6 week old SD rats (5 male and 5 female rats per groups) in the amounts of 0.1, 0.5, and 1.0 mL/animal for groups 2, 3, and 4, respectively, and normal saline solution in the amount of 1.0 mL/animal was injected intramuscularly into the rats (5 male and 5 female rats) in the control group. Observations of the general symptoms and weight measurements were performed during the 14 day observation period after the injection. Hematologic and serum biochemical examination, necropsy, and a local tolerance test at the injection site were done after the observation period. Results: No death was observed in three test groups (0.1, 0.5 and 1.0 mL/animal group). In addition, the injection of DGP had no effect on general symptoms, weights, hematologic and serum biochemical examination, and necropsy. The results from the local tolerance tests at injection site showed no treatment related effects in the SD rats. Conclusion: The results of single dose intramuscular injection of DGP suggest that the approximate lethal dose is above 1.0 mL/animal for both male and female SD rats and that intramuscular injection of DGP may be safe.