DA-3002 is a genuine human growth hormone produced by Dong-A Pharm. Co. Ltd. research laboratory using recombinant DNA technic. In this study, antigenic potential of DA-3002 was examined by active systemic anaphyaxis(ASA) in guinea pigs, mouse-rat passive cutaneous anaphylaxis(PCA) and passive hemagglutination(PHA) test as a part of safety research. DA-3002 induced anaphylactic shock in ASA test using guinea pigs Immunized with DA-3002 alone or DA-3002 incoporated into Freund's complete adjutant(FCA) when challenged with 10 times higher dose of anticipated clinical dose of DA-3002. In the mouse-rat PCA and PHA test, DA-3002 also showed positive results. DA-3002, therfore, was considered to produce IgE, IgG, and/or IgM in mice. The results of this study were similar to those of the other human growth hormones and these positive results were thought to be caused due to the fact that both DA-3002 and the other human growth hormones were heterogenous proteins to guinea pigs and mice. Considering the fact that DA-3002 is a genuine human growth hormone of which structure is identical with indigenous human growth hormone, DA-3002 is thought not to cause immunological problems in clinical use.
Park, Soo-Jin;Jeong, Mi-Hye;Chang, Hee-Seop;O, Jin-Cheol;Park, Kyung-Hun;Park, Jae-Yup
The Korean Journal of Pesticide Science
/
v.15
no.3
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pp.289-297
/
2011
As part of safety evaluation of 2A (amono acid), PAT (phosphinotricin Acetyl-transferase), CtrI (Carotene desaturase) and PSY (phytoene synthase), the expressed proteins inserted to ${\beta}$-carotene Biofortified rice were tested for antigencity test. As a result, the group of administering high-concentration PAT, the expressed protein, showed a great content of total WBC; however, other expressed proteins did not show much difference. Against ASA (Active Systemic Anaphylaxis) test, the group of administering high-concentration PAT, the expressed protein, showed mild or medium degree of symptoms, but there was no dead entity. According to the result of the PCA (Passive Cutaneous Anaphylaxis test), the group of administering high-concentration PAT, 2A, PSY, and mixture of expressed proteins indicated positive response in low anti-serum concentration, and the group of administering the clinical concentration of mixture indicated mild positive response. However, because the group of administering the clinical concentration of expressed proteins, PAT, 2A, PSY, and CtrI, did not show positive response, it is thought that IgE is not generated. Further studies are needed to verify the safety of ${\beta}$-carotene Biofortified rice.
Proceedings of the Korean Society of Applied Pharmacology
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1994.04a
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pp.243-243
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1994
Although active systemic anaphylaxis and passive cutaneous anaphylaxis have been empolyed to study anaphylactic hypersensitivity, it is difficult and time-consuming to induce these reactions in experimental animals. In recent, Jun et al have found a simple method to induced anaphylactic hypersensitivity such as anaphylactic shock(AS) and cutaneous reaction(CR) using compound48/80. Cortex mori (Morus alba L.), the root bark of mulberry tree has been used as an antiphlogistic, diuretic, and expectorant in herbal medicine. The purpose of this study was to determine whether the methanol extract of Cortex mori could inhibit the compound 48/80-induced AS and CR. To induce AS, various doses of compound 48/80 (5, 7.5, 10, 15$\mu\textrm{g}$/gm B.W.) were injected intraperitoneally (i.p.) into ICR mice. The animals were pretreated by three injection(i.p.) of Cortex mori before compound 48/80 administration. Peripheral blood was collected from the right ventricle to estimate the level of serum histamine at 15 minutes after the injctin(i.p.) of various concentration of compound48/80. Mortility rate, mean death time and mesenteric mast cell degranulation rate were evaluated over a 72 hour period. To estimate the effect of Cortex mori on compound 48/80-induced cutaneous reaction, various doses of compound 48/80 with or without Cortex mori were injected intradermally(i.d.) into the shaved flank of Sprague-Dawley rats, and the blue cutaneous patchs induced by Evans'blue injection at the compound 48/80 alone and Cortex mori plus compound 48/80 injection sites were observed. As a Parameter of these reactions, the levels of histamine in the supernatant, calcium uptake and intracellular CAMP of RPMC were measured. supernatant, 1)compound 48/80-induced mortility rate, mean death time, mesenteric mast cell degranulation rate, and serum histamine level in ICR mice were significantly inhibited by pretreatment of Cortex mori, 2) cutaneous reaction inducd by compound48/80 was well developed in Sprague-Dawley rat, but Cortex mori inhibited the compound 48/80-induced blue patch formation remarkably, 3) the compound 48/80-induced degranulation, histamine release and calcium uptake of RPMC pretreated with Cortex mori were significantly inhibited, compared to those of control without Cortex mori pretreatment, and 4)the level of cAMP of RPMC was reduced bythe increased concentration of compound 48/80, pretreatment of Cortex mori not only inhibited the compound 48/80-induced reduction of CAMP but also significantly increased the level of cAMP naturally, from the above results, it is suggested that Cortex mori has an some substances with an ability to inhibits the compound 48/80-induced AS,CR, and mast cell activation.
Proceedings of the Korean Society of Food Science and Nutrition Conference
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2004.11a
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pp.110-115
/
2004
The immature fruits of Poncirus trifoliata L. or Ponciri fructus (PF), well known as 'Jisil' in Korea, have been used against allergic diseases for generations, and still occupy an important place in traditional Oriental medicine. Anti-allergic effects of this fruit have been investigated in a few experimental models. Immunoglobulin E (IgE) is the principal immunoglobulin involved in immediate hypersensitivities and chronic allergic diseases. The effect of an aqueous extract of PF on in vivo and in vitro IgE production was investigated. PF dose-dependently inhibited the active systemic anaphylaxis and serum IgE production induced by immunization with ovalbumin, Bordetelia pertussis toxin and aluminum hydroxide gel. PF strongly inhibited interleukin 4 (IL-4)-dependent IgE production by lipopolysaccharide-stimulated murine whole spleen cells. In the case of U266 human IgE-bearing B cells, Ponciri fructus also showed an inhibitory effect on the IgE production. On the other hand, mast cell hyperplasia can be causally related with chronic inflammation. Stem cell factor (SCF), the ligand of the c-kit protooncogene product, is a major regulator and ohernoattractant of mast cells. Ponciri fiuctus (1 mg/mL) significantly inhibited the SCF-induced migration of rat peritoneal mast cells (RPMCs). RPMCs exposed to SCF (50 ng/mL) resulted in a drastic shape change with a polarized morphology while the cells exposed to Ponciri fructus (1 mg/mL) remained resting, with little or no shape alteration. The drastic morphological alteration and distribution of polymerized actin were blocked by pretreatment with Ponciri fructus. In addition, Ponciri fructus inhibited both TNF-alpha and IL-6 secretion from RPMCs stimulated with SCF. These results suggest that Ponciri fructus has an anti-allergic activity by inhibition of IgE production from B cells. These findings also provide evidence that Ponciri fructu inhibits chemotactic response and inflammatory cytokines secretion to SCF in mast cells.
Vitamin E, which has its advocates in the treatment of diabetes mellitus. autoimmune disease, cancer and peripheral vascular and thromboembolic disease, has now been alleged to have a powerful antioxident effect and to affect various biological activities such as fertility factor, inhibition of human platelet aggregation and stabilization of biological membranes. The present study was designed to test whether vitamin I(alpha-tocopherol) can : (1) enhance the hemagglutinin response to sheep red blood cells (SRBC), (2) modulate Arthus and delayed type hypersensitivity(DTH) to SRBC and contact hypersensitivity to dinitrofluorobenzene (DNFB). (3) enhance the mitogenic response of murine splenocyte, (4) decrease the recovery of Cryptococcus neoformans from brain, lung, liver, spleen and kidney of infected mice and (5) have an inhibitory or enhancing effect on the induction of active systemic anaphylaxis(ASA) induced by chicken-gamma globulin (CGG) in mice. Mice were given either intramuscular injections of 0.3ml (300mg) of vitamin I before immunization or were infection for 10 consecutive days or were given by vitamin I esophageal intubation, 0.1ml(100mg), for 20 days before sacrifice for the mitogenic response experiments. It was found that vitamin E treated mice showed a significant enhancement in hemagglutinin response, Arthus reaction and DTH to SRBC and contact hypersensitivity to DNFB. There was no significant difference in the mitogenic response to phytohemagglutinin(PHA), but the response to concanavalin A(ConA) or pokeweed mitogem(PWM) was increased in vitamin E-treated mice. Interestingly, the vitamin E administration before C. neoformans infection decreased significantly the recovery of C. neoformans from brain lung, liver, spleen and kidney of the infected mice as compared with that of the control mice, strongly suggesting that vitamin E pretreatment may increase the resistance of mice to the fungal infection. Unexpectedly, vitamin E administration enhanced the production of CGG -induced ASA. Taken together, it can be concluded that vitamin I administration may in-crease the humoral and cellular immune response and resistance. to C. neoformans infection, but enhance the induction of ASA to CGG. Further studies are necessary to clarify the underlying mechanism accounting for these effects.
Gamitonggyutang has been used for treatment of rhinitis in oriental medical science. It is reported that Gamitonggyutang has a good effect on sinusitis in clinical medicine. So this study analysed the effect of Gamitonggyutang on anti-inflammatory, analgenic, anti-Allergic effect and Antibacterial Activity. The result were summerised as follows; 1. Gamitonggyutang extract decreased the edema indused by Carregennin at 200mg/kg and 400mg/kg. 2. Gamitonggyutang extract decreased the protein exudation indused by CMC-pouch at 200mg/kg and 400mg/kg. 3. Gamitonggyutang extract showed the ataralgesia at 800mg/kg by measurement of writhing syndrome, paw licking time and escape time induced by the i.p. infection of acetic acid and hot plate. 4. Gamitonggyutang extract decreased the effluent of vascular permeability indused by Evans blue at 600mg/kg and 800mg/kg. 5. Gamitonggyutang extract decreased the acute edema indused by Carregennin about 2 and 4 hours but didn't show useful effect. 6. Gamitonggyutang extract decreased the death rate, resulted from the effect of active systemic anaphylaxis reaction indused by CGG, but didn't show useful effect.. 7. Gamitonggyutang extract showed the growth inhibitory effect of each bacterias at $52mg/m{\ell}$. 8. Gamitonggyutang extract suppressed the growth of Streptococcus mutans 10449, and showed the supression of acid fabrication in case of 1:10 more than 1:100.
Perilla frutescens var. acuta Kudo (PF) is a traditional Korean medicinal herb for allergic reaction regulation. In the present study, we investigated the effect of 30% ethanol extract powder of PF (EPPF) and rosmarinic acid (RA), the active compound of EPPF on various allergic reactions using in vivo and in vitro models. EPPF and RA significantly inhibited compound 48/48-induced systemic anaphylactic reaction and histamine release (P < 0.05). In addition, EPPF and RA significantly inhibited passive cutaneous anaphylaxis (PCA) in a dose-dependent manner (P < 0.05). These effects were stronger than those of disodium cromoglycate, the reference drug tested. EPPF and RA also significantly inhibited production of inflammatory cytokines, tumor necrosis factor-a interleukin (IL)-6, and vascular endothelial growth factor on the PCA reaction and phorbol 12-myristate 13-acetate and calcium ionophore A23187-stimulated human mast cell line, HMC-1 cells (P < 0.05). Moreover, EPPF and RA showed an inhibitory effect on lipopolysaccharide (LPS)-induced IL-4 production from whole spleen cells. Finally, EPPF and RA significantly decreased IL-4-dependent IgE production by LPS-stimulated whole spleen cells (P < 0.05). In conclusion, these results indicate that EPPF has potent anti-allergic activities.
Food allergies have become a serious health concern in the past two decades, especially in developed countries. Foods associated with allergies include vegetables, some fruits, shellfish, wheat, egg, chicken, and nuts. To describe the specific fundamentals, etiological factors, and clinical manifestations, we analyzed the different physical frequency on spleen index in sensitized and regular exercise-trained mice. We also conducted a proliferation assay of lymphocytes to OVA, ROS, ASAS, and we determined the cytokine levels. Female BALB/c mice were bred in the animal laboratory of the P and D university under controlled conditions ($22{\pm}2^{\circ}C$, RH 45-55%, and a 12-hour photoperiod). The animals were 6 weeks old at the start of the study and were fed a standard commercial chow diet from 09:00 to 15:00 for the 8-week study period. All animals had access to distilled deionized water ad libitum. They were divided into four groups: a control group (S; control sensitized, n=25), a low-frequency training group (F2, n=25), a mid-frequency training group (F3, n=25), and a high-frequency training group (F5, n=25) following the treatment of exercise time per week. The results were as follows: The mice spleen index showed the highest grade in the F5 group compared with the other groups; this level showed in an exercise frequency-dependent manner. In the proliferation assay of OVA, the F5 group showed the highest grade compared with the other groups; this level was also showed in an exercise frequency-dependent manner. Peritoneal ROS and ASAS showed a statistically significant increase in the F5 group and decreased in the F2 group compared with the S group. However, there were no significant differences in the F3 group. The highest level of IL-4 was found in the F5 group compared with the other groups. However, the highest level of INF-${\gamma}$ was in the F2 group. The results suggest that FDEIA is positively correlated with the frequency of exercise due to the direct effect of physical exercise on peritoneal ROS and the cytokine profile. Further research is needed on the specific mechanism underlying the combined effects of exercise intensity and frequency on physical-induced allergy anaphylaxis.
Kim, Seong-Beom;Kang, Byung-Hwa;Kwon, Hyuk-Sang;Kang, Jae-Hoon
Microbiology and Biotechnology Letters
/
v.39
no.3
/
pp.266-273
/
2011
Although turmeric has numerous pharmacological effects, the poor water-solubility of curcuminoids, active components of turmeric, restricts their systemic availability in orally administered formulations and limits their therapeutic potential. In this study we attempted turmeric fermentation using several probiotic bacteria to improve its solubility, and also investigated the effects of turmeric and fermented turmeric on anti-inflammatory activity. Fermented turmeric, by L. johnsonii IDCC 9203, more strongly inhibited LPS-induced expression of the pro-inflammatory cytokines than non-fermented turmeric and fermented turmeric by other probiotic strains. We used an NC/Nga mouse model for mite antigen-induced atopic dermatitis to examine the efficacy of the fermented turmeric. Fermented turmeric-fed mice exhibited a significantly reduced serum IgE level and mitigated acute inflammation. When the fermented turmeric was pre-treated by oral administration, it had more preventive activity against acute anaphylactic reaction than the non-fermented group. In addition, we observed that fermentation of turmeric leads to increased water-solubility of curcumin and a change in the active components ratios for bisdemethoxycurcumin, demethoxycrucumin and curcumin. Taken together, these results strongly suggest that fermented turmeric by L. johnsonii IDCC 9203 could be used as a functional food ingredient for improving treatments for atopic dermatitis.
The purpose of this perspective research is to discuss the potential role of exercise-interventions in COVID-19, terms of prevention and prognosis in the periods of the COVID-19 vaccine. SARCO-CoV-2. COVID-19 was detected as a new virus causing severe cardiovascular and respiratory complications. It emerged as a global public health emergency and national pandemic. It caused more than 1 million deaths in the first 6 months of the pandemic and resulted in huge social and economic fluctuations internationally. Unprecedented stressful situations, such as COVID-19 blue and COVID-19 red impact on many health problems. In healthy individuals, COVID-19 infection may induced no symptoms (i.e., asymptomatic), whereas others may experience flu-like symptoms, such as ARDS, pneumonia, and death. Poor health status, such as obesity and cardiovascular and respiratory complications, are high risk factors for COVID-19 prevention, occurrence, and prognosis. Several COVID-19 vaccines are currently in human trials. However, the efficacy and safety of COVID-19 vaccines, including potential side effects, such as anaphylaxis (a life-threatening allergic reaction) and rare blood clots, still need to be investigated. On the basis of direct and indirect evidence, it seems that regular and moderate physical exercise can be recommended as a nonpharmacological, efficient, and safe way to cope with COVID-19. Physical inactivity and metabolic abnormalities are directly associated with reduced immune responses, including reduced innate, CMI, and AMI responses. Due to prolonged viral shedding, quarantine in inactive, obese and disease people should likely be longer than physical active people. Multicomponent and systemic exercise should be considered for the obese, disease, and elderly people. More mechanism research is needed in this area.
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