Jo, Su-jeong;Choi, Young-doo;Jung, Chan-yung;Kim, Kap-sung;Lee, Seung-deok
Journal of Pharmacopuncture
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v.18
no.3
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pp.57-62
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2015
Objectives: The purpose of this study was to examine the single-dose intravenous toxicity of Guseonwangdo-go glucose 5% pharmacopuncture (GWG5). Methods: Forty Sprague-Dawley rats were divided into four groups of five males and five females per group: an intravenous (IV) injection of 1.0 mL of normal saline solution per animal was administered to the control group; IV injections of 0.1, 0.5, and 1.0 mL of GWG5 per animal were administered to the experimental groups (G: 0.1, G: 0.5, and G: 1.0). Observation of clinical signs and body weight measurements were carried out for 14 days following the injections. At the end of the observation period, hematological, biochemical, and histopathological tests, as well as necropsy examinations, were performed on the injected parts. Results: No mortalities or adverse clinical signs were observed in any of the groups. The body weights of all groups continuously increased. In the hematological and the biochemical tests, females in G-0.1 had minimal changes, but those changes were not dose dependent. On necropsy examination, no abnormalities were observed. In the histopathological test, focal inflammatory cell infiltrations were observed in two female rats, one in the control group and one in G-1.0. Also, one female rat in the control group had an epidermis crust. These changes were concluded to have been caused by the insertion of the needle into a vein. Conclusion: The above findings suggest that the lethal dose of GWG5 administered via IV injection is more than 1.0 mL per animal in both male and female rats. Further studies are needed to establish more detailed evidence of its toxicity.
Zinc oxide nanoparticles (ZnONPs) are widely used in a variety of products and cosmetic products including paper, paints, plastics and sunscreen. However, information on the safety of ZnONPs are not enough and many publications suggest possible toxic effects on environmental and human health. Furthermore, physico-chemical characteristics of nanoparticles makes it hard to test toxicity using the test guidelines of chemicals adopted by regulatory bodies. In this study, stability of ZnONPs was investigated using different types of isotonic solution, which is important in the toxicity study of intravenous route. Precipitation, aggregation, size, zeta potential and morphology of ZnONPs were evaluated with different times and concentrations. Precipitation of ZnONPs were observed in ionic isotonic solution including phosphate-buffered saline, Kreb's-Ringer solution, physiological salt solution and cell culture media of DMEM (Dulbecco's Modified Eagle's Medium) with 10% fetal bovine serum. On the other hand, they were stable without precipitation in non-ionic isotonic solution such as 5% glucose and 2% glycerol, respectively, which are biocompatible for intravenous injection. The average size of ZnONPs in 5% glucose and 2% glycerol was stably maintained, which is less than 30 nm and very similar as that in water dispersion of ZnONPs, provided by the manufacturer. The stability was maintained during the experimental period of 5 days and diluted state up to 15,000 ppm. These data suggest that 5% glucose and 2% glycerol solution can be used for the vehicles of ZnONPs in the toxicity study of intravenous injection route.
Metformin is a treatment used widely for non-insulin-dependent diabetes mellitus with few side effects and acts by inhibiting hepatic gluconeogenesis and glucose absorption from the gastrointestinal tract. Lymphoma is one of the most common hematological malignancies in dogs. Chemotherapy is used mainly on lymphoma, but further research on developing anticancer drugs for lymphoma is needed because of its severe side effects. This study examined the anticancer effects of metformin alone and in combination with 2-deoxy-D-glucose (2-DG), a glucose analog, on EL4 cells (mouse T cell lymphoma). Metformin reduced the metabolic activity of EL4 cells and showed an additive effect when combined with 2-DG. In addition, cell death was confirmed using a trypan blue exclusion test, Hochest 33342/propidium iodide (PI) staining, and Annexin V/PI staining. An analysis of the cell cycle and mitochondria membrane potential (MMP) to investigate the mechanism of action showed that metformin stopped the G2/M phase of EL4 cells, and metformin + 2-DG decreased MMP. Metformin exhibited anticancer effects as a G2/M phase arrest mechanism in EL4 cells and showed additive effects when combined with 2-DG via MMP reduction. Unlike cytotoxic chemotherapeutic anticancer drugs, metformin and 2-DG are related to cellular glucose metabolism and have little toxicity. Therefore, metformin and 2-DG can be an alternative to reduce the toxicity caused by chemotherapeutic anticancer drugs. Nevertheless, research is needed to verify the in vivo efficacy of metformin and 2-DG before they can be used in lymphoma treatments.
Park, Yong-Seok;Jung, So-Jung;Oh, Nu-Ri;Choi, Eun-Joo;Rhie, Ki-Tae
Environmental Analysis Health and Toxicology
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v.23
no.1
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pp.17-22
/
2008
A rapid, inexpensive enzymatic method is proposed for indirect water quality testing in terms of heavy metal toxicity. The activity of glucose-6-phosphate dehydrogenase was applied for heavy metal toxicity test as an effective criterion in water quality. The toxicity of Pb (lead) and Cd (cadmium) for water flea, Moina macrocopa, were evaluated for $2{\sim}8\;days$ with variables of mobilization ability. And the reproduction impairment of Moina macrocopa were investigated as the parameter of chronic toxicity twst for Pb and Cd. As a result, the $EC_{50}$ for immobilization of Moina macrocopa were Pb and Cd were 1.6749 and 0.4683, respectively. The values of reproducive impairment to Moina macrocopa for Pb and Cd were 9.5938 and 8.3264 in $EC_{50}$. A significant alteration of G6PDH (Glucose-6-phosphate dehydrogenase) activity of Moina macrocopa was observed when Cd and Pb were treated in media. The results obtained indicate that G6PDH activity of Moina macrocopa can be used as an indicative parameter in aquatic toxicity tests for heavy metals.
Objectives : The purpose of this study was to investigate Acute$\cdot$Subacute Toxicity and Anti-cancer Effect of K-Herbal-acupuncture in mice and rats. Methods : Balb/c mice were injected intraperitoneally with K-herbal-acupuncture for $LD_{50}$ and acute toxicity test. Sprague-Dawley rats were injected intraperitoneally with K-herbal-acupuncture for subacute toxicity test. K-Herbal-acupuncture was injected on abdomen of mice with S-180 cancer cell line. Result : 1. $LD_{50}$ of K-Herbal-acupuncture was limited $4{\times}10^{-3}$ml/kg~$2{\times}10^{-3}$ml/kg by the test. 2. In acute toxicity test, all of mice were down to the moving reflex, but the weight of mice was increased in treatment group, compared with the normal group. (P<0.05) 3. In acute toxicity test of serum biochemical values of mice, glucose was increased in treatment II group, total cholesterol was increased both treatments.(P<0.05) 4. In subacute toxicity test, the clinical signs of toxication was down to the moving reflex, but it is not severe like acute toxicity test, and observed weight loss at the treatments. 5. In subacute toxicity test, liver weight was decreased compared with the normal group. (P<0.05) 6. In subacute toxicity test of complete blood count test (CBC) of rat, HCT was decreased in treatments, compared with the normal group.(P<0.05) 7. In subacute toxicity test of serum biochemical values of rat, uric acid and triglyceride were decreased, and glucose was increased in treatment groups compared with the control group. (P<0.05) 8. Median survival time was increased about $45\%$ in treatment groups compared with the control group.(P<0.05) 9. Natural killer cell activity was increased in B16F10 lung cancer model, but it was not in sarcoma-180 abdomen cancer. 10. In interleukin-2 productivity test, treatment groups didn't show significant change in lung cancer and abdomen cancer, compared with the normal group.(P<0.005) 11. In making an examination of metastatic cancer with the naked eye, melanoma metastasized in the Lung of C57BL/6 mice. The treated group showed more Melanoma than the control in the numbers and volume. Conclusion : According to the result, K-herbal-acupuncture need further study to know the function and effect in cancer.
Chlorpyrifos (CPF) is one of the most heavily used organophosphate pesticides and is useful as an insecticide drug. However, CPF also causes toxic effects in nontarget organisms, including humans and animals. Jageum-Jung (JGJ) is a traditional oriental medicine, composed of five specific herbs with antioxidant and hepatoprotective properties, used for detoxification. In the present study, highly concentrated CPF was orally administrated to male Institute of Cancer Research mice to produce acute toxicity, and the protective effects of JGJ administration were investigated through statistical analysis of changes in body and organ weights and serum biochemical parameters. JGJ caused body and organ weights to recover and reduced the levels of serum biochemical parameters indicative of liver damage, such as glutamic oxalate transaminase, glutamic pyruvate transaminase, alkaline phosphatase, lactic dehydrogenase, urea, glucose, total cholesterol, and triglyceride, that had been increased by CPF treatment. Our results demonstrated that JGJ ameliorates the effects of acute chlorpyrifos-induced toxicity. Therefore, JGJ has the potential to be used as a traditional medicine to alleviate insecticide toxicity.
Cho, Suk Ju;Kang, Kyoung Ah;Piao, Mei Jing;Ryu, Yea Seong;Fernando, Pincha Devage Sameera Madushan;Zhen, Ao Xuan;Hyun, Yu Jae;Ahn, Mee Jung;Kang, Hee Kyoung;Hyun, Jin Won
Biomolecules & Therapeutics
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v.27
no.1
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pp.85-91
/
2019
Oxidative stress is considered a major contributor in the pathogenesis of diabetic neuropathy and in diabetes complications, such as nephropathy and cardiovascular diseases. Diabetic neuropathy, which is the most frequent complications of diabetes, affect sensory, motor, and autonomic nerves. This study aimed to investigate whether 7,8-dihydroxyflavone (7,8-DHF) protects SH-SY5Y neuronal cells against high glucose-induced toxicity. In the current study, we found that diabetic patients exhibited higher lipid peroxidation caused by oxidative stress than healthy subjects. 7,8-DHF exhibits superoxide anion and hydroxyl radical scavenging activities. High glucose-induced toxicity severely damaged SH-SY5Y neuronal cells, causing mitochondrial depolarization; however, 7,8-DHF recovered mitochondrial polarization. Furthermore, 7,8-DHF effectively modulated the expression of pro-apoptotic protein (Bax) and anti-apoptotic protein (Bcl-2) under high glucose, thus inhibiting the activation of caspase signaling pathways. These results indicate that 7,8-DHF has antioxidant effects and protects cells from apoptotic cell death induced by high glucose. Thus, 7,8-DHF may be developed into a promising candidate for the treatment of diabetic neuropathy.
Objectives : The purpose of this study is to investigate Acute and Subacute Toxicity, and Anti-cancer Effect of H Herbal-acupuncture on mice and rats. Methods : Balb/c mice were injected intraperitoneally with H Herbal-acupuncture for $LD_{50}$ and acute toxicity test. Sprague-Dawley rats were experimented in the same way for subacute toxicity test. H Herbal-acupuncture was injected into abdomen of mice having S-180 cancer cell line. Result : 1. During the test, $LD_{50}$ could not be counted since there was no expired subjects. 2. In an acute toxicity test, the loss of motility and reflex action was observed, but weight increased in the treatment group, compared with those in the normal group (P<0.05). 3. In an acute toxicity test of serum biochemical values of mice, glucose increased in the treatment group II while total cholesterol was increased in the all treatment groups (P<0.05). 4. In a subacute toxicity test, a little loss of motility and reflex action was observed in the treatment group. Weight of mice in the treatment group decreased on the 28th day. 5. In a subacute toxicity test, liver weight was decreased but lung weight of mice increased in the all treatment groups (P<0.05). 6. As a result of measuring Complete Blood Count test (CBC) of rat, HCT was decreased in treatments even though it was not significant, compared with the normal group (P<0.05). 7. In a serum biochemical value test of subacute toxicity, total protein and albumin decreased in the all treatment groups. Creatinine, glucose, GOT increased in the treatment group I compared with the control group. Alkaline phos-phatase decreased in treatment II group, compared with the control group (P<0.05). 8. Median survival time that was measured in the rats treated with sarcoma-180 cancer cell Median decreased in the treatment group, compared with the control group (P<0.05). 9. Natural killer cell activity showed significant reduction at 100:1 and 10:1 E/T ratio while it increased at 50:1 E/T ratio. It is inferred that there was an error in the experiment (P<0.05). 10. In an interleukin-2 productivity test, even though it decreased in lung cancer, and increased in abdomen cancer, but it was only a small difference (P<0.005). 11. After injecting B16F10 cell into a capillary vessel of C57BL/6 mice and generating metastasized lung cancer, the lung was examined with the naked eye. It was not possible to see metastasized cancer in the all groups on the seventh day but the cancer was viewed on the fourteenth day. The number and volume of metastasized cancer in the treatment group enlarged in the treatment group, compared with the control group. Conclusion : According to the results, H herbal-acupuncture took no effects in cancer.
Objective : The purpose of this study was to investigate acute and subacute toxicity and sarcoma-180 anti-cancer effects of herbal acupuncture with cultivated wild ginseng (distilled) in mice and rats. Method : Balb/c mice were injected intravenous with cultivated wild ginseng herbal acupuncture for $LD_{50}$ and acute toxicity test. Sprague-Dawley rats were injected intravenous with cultivated wild ginseng herbal acupuncture for subacute toxicity test. The cultivated wild ginseng herbal-acupuncture was injected at the tail vein of mice. Results : 1. In acute $LD_{50}$ toxicity test, there was no mortality thus unable to attain the value. 2. Examining the toxic response in the acute toxicity test, there was no sign of toxication. 3. In acute toxic test, running biochemical serum test couldn't yield any differences between the control and experiment groups. 4. In subacute toxicity test, there was no sign of toxication in the experimental groups and didn't show any changes in weight compared to the normal group. 5. In subacute toxicity test, biochemical serum test showed significant increase of Total albumin, Albumin, and Glucose in the experimental group I compared with the control group. Significant decrease of GOT, ALP, GPT, and Triglyceride were shown. In experiment group II, only Glucose showed significant increase compared with the control group. 6. Measuring survival rate for anti-cancer effects of Sarcoma-180 cancer cell line, all the experimental groups showed significant increase in survival rate. 7. Measuring NK cell activity rate, no significant difference was shown throughout the groups. 8. Measuring Interleukin-2 productivity rate, all the experimental groups didn't show significant difference. 9. For manifestation of cytokine mRNA, significant decrease of interleukin-10 was witnessed in the experimental group compared to the control group. Conclusion : According to the results, we can conclude cultivated wild ginseng herbal acupuncture caused negligible toxicity, and had anti-tumor effects in mice.
A total number of 668 apparently healthy fish were obtained from farm to study the effect of two heavy metals in a form of (Copper sulfate and Mercuric chloride) on some hematological and biochemical parameters of blood. The $LC_{50}$ /96 hr. of Cu and Hg were estimated and fish exposed to $\text\tiny{^1/_2}$$LC_{50}$ for 7 days and for $1/_{10}$$LC_{50}$ for 8 weeks from each product separately. Results showed decrease in RBCs count, PCV% and Hb in acute and chronic mercury while a significant increase was shown in acute and chronic copper toxicity, total leucocytic count showed decrease in acute mercury toxicity and increase in the chronic case, while in copper toxicity non-significant decrease in acute and significant decrease in chronic toxicity was noticed. Elevated serum urea and creatinine in both acute and chronic mercury and copper toxicity was detected. No changes in total bilirubin in the acute mercury and chronic copper toxicity while significant increase in chronic mercury and acute copper. Elevation of serum AST and ALT in some days of acute toxicity of mercury and copper while in chronic mercury toxicity a significant elevation of both serums AST and ALT were detected .while in chronic copper toxicity serum AST was fluctuated and ALT showed no significant changes. CK study revealed significant decrease in acute mercury with fluctuation in the chronic toxicity while in copper toxicity it showed fluctuation in acute and significant decrease in chronic toxicity. Glucose value decreased in acute and chronic mercury toxicity while in copper toxicity it showed significant increase in the acute and increase followed by significant decrease in the chronic copper toxicity.
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