• 제목/요약/키워드: ocular vaccine

검색결과 8건 처리시간 0.025초

Immunogenicity of Exosomes from Dendritic Cells Stimulated with Toxoplasma gondii Lysates in Ocularly Immunized Mice

  • Jung, Bong-Kwang;Kim, Eun-Do;Song, Hyemi;Chai, Jong-Yil;Seo, Kyoung Yul
    • Parasites, Hosts and Diseases
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    • 제58권2호
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    • pp.185-189
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    • 2020
  • Immunogenicity of dendritic cell-derived exosomes stimulated with Toxoplasma gondii lysates (TLA exo), mixed with cholera toxin as an adjuvant, was investigated in mice immunized via 2 mucosal routes (ocular vs intranasal). BALB/c mice were injected 3 times with TLA exo vaccine at 2 week interval, and the levels of IgG in serum and IgA in tear, saliva, feces, and vaginal wash were measured. To observe the expression of T. gondii-specific B1 gene, mice infected with ME49 T. gondii cysts were immunized with TLA exo or PBS exo (not stimulated with TLA), and their brain tissues were examined. The mice vaccinated via intranasal route elicited significantly higher humoral and mucosal immune responses compared with mice treated with PBS alone. Also, mice immunized via ocular route (by eyedrop) induced significantly higher T. gondii-specific IgG in serum and IgA in tear and feces in comparison with PBS controls. B1 gene expression was significantly lower in TLA exo vaccinated mice than in PBS or PBS exo vaccinated mice. These results demonstrated that ocular immunization of mice with TLA exo vaccine has the potential to stimulate systemic or local antibody responses. This study also highlighted an advantage of an eyedrop vaccine as an alternative for T. gondii intranasal vaccines.

A COMPARISON OF THE V4 STRAIN WITH THE CONVENTIONAL F1 AND M STRAIN OF NEWCASTLE DISEASE VACCINE IN RURAL BANGLADESH

  • Biswas, H.R.;Hoque, M.M.;Chowdhury, S.M.Z.H.;Oxley, M.E.;Rahman, M.M.
    • Asian-Australasian Journal of Animal Sciences
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    • 제9권2호
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    • pp.231-235
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    • 1996
  • Bangladeshi indigenous chickens of mixed ages vaccinated twice at a three week interval with either conventional vaccines-$F_1$ (ocular) and M (mukteswar, Intramuscular), or heat resistant $V_4$ vaccine administered by either the ocular or oral routes, all showed satisfactory hemagglutination inhibition antibody (HI) responses and protection against Newcastle Disease (NCD) challenge persisting for four months. The antibody response to $F_1$ and M was higher than for $V_4$, which was similar whether administered by the ocular or oral routes. All vaccinated treatments have a significant level of protection compare to the control group (p<0.01). No significant difference (p>0.05) in the protection against controlled challenge with virulent NCD virus was found between vaccinated groups.

비글개에서 CJ-50002(비브리오백신)의 4주간 경구 반복투여 독성시험 (Four-Week Oral Toxicity Studies of CJ-50002 (Vibrio Vaccine) in Beagle Dogs)

  • 이광훈;제정환;강병철;이원우;임종희;정지윤;김달현;이영수;이영순
    • Toxicological Research
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    • 제15권1호
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    • pp.55-63
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    • 1999
  • This study was carried out to investigate the four-week oral toxicity of the CH-50002 (Vibril vaccine) in beagle dogs. The beagle dogs were orally administered for 28 days, with dosage of 0.5, 5, 50 mg/kg/day, respectively. Animals treated with CJ-50002(Vibrio Vaccine) did not cause any death and show any clinical signs. There were not significantly different from the control group in urinalysis, ocular examination, hematological, serum biochemical value and histopathological examination. Therefore, CJ-50002(Vibrio Vaccine) was not indicated to have any toxic efent in the beagle dogs, when ti was orally administered below the dosage 50mg/kg/day for rour weeks.

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Primary Skin and Eye Irritation Study of Combined Vaccine (KGCC-95VI) Against Japanese Encephalitis and Hantaan Virus Infection

  • Shin, Kwang-Soon;Kim, Chul-Joong;Yun, Hyo-In;Park, Jong-Il;Cha, Shin-Woo;Shin, Hyeong-Soon
    • Toxicological Research
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    • 제13권1_2호
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    • pp.157-160
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    • 1997
  • The primary skin and eye irritancy of the combined vaccine (KGCC-95VI) for the prophylaxis against Japanese encephalitis and Hantaan virus infection recently developed by Korea Green Cross Corporation was investigated. The KGCC-95VI was applied to the back skins of the New Zealand White rabbits. The rabbits were observed for 72 hours and did not exhibit erythema, eschar and edema. The eyes of the rabbits were exposed to the KGCC-95VI. The rabbits were observed for 7 days and did not exhibit any ocular findings on cornea, iris and conjuntivae. The KGCC-95VI is considered not to have the primary skin and eye toxicity in rabbits.

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Lipid nanodispersion for parenteral drug delivery: in vitro characterization

  • Lee, Jung-Min;Choi, Sung-Up;Lee, Byoung-Moo;Lee, Sung-Jae;Choi, Young-Wook
    • 대한약학회:학술대회논문집
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    • 대한약학회 2003년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.1
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    • pp.295.2-295.2
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    • 2003
  • Lipid nanodispersion (LN) composed of biocompatible lipids and surfactants is an alternative parenteral drug delivery system especially for lipophilic drugs. It has been studied for versatile applications such as oral, parenteral, topical, ocular, vaccine, and peptide drug delivery. The purpose of this study was to produce a novel LN system for intravenous injection using the high pressure homogenization. (omitted)

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Welfare traits of Bos indicus cattle castrated immunologically and fed beta-adrenergic agonists

  • Martello, Luciane Silva;Antonelo, Daniel Silva;Consolo, Nara Regina Brandao;Pacheco, Veronica Madeira;Negrao, Joao Alberto;Rosa, Alessandra Fernandes;Leme, Paulo Roberto;Sousa, Rafael Vieira;Silva, Saulo da Luz
    • Animal Bioscience
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    • 제34권9호
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    • pp.1552-1558
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    • 2021
  • Objective: This work was carried out to evaluate the effects of zilpaterol hydrochloride (ZH) and ractopamine hydrochloride (RH) combined with immunocastration on the welfare traits of feedlot Nellore cattle. Methods: Ninety-six Nellore males (average body weight [BW] = 409±50 kg; average 20 mo of age) were divided into two groups according to BW; half of the animals in each group received two doses of an immunocastration (ImC) vaccine in a 30 day interval, and the other half did not receive the vaccine (NoC). Afterward, the animals were housed and fed a common diet for 70 days. Then, they were split into three groups and fed one of the following diets for 30 additional days: control (CO) diet, with no β-AA; ZH diet, containing 80 mg/d ZH; and RH diet, containing 300 mg/d RH. Welfare traits were assessed by monitoring body surface temperature using infrared thermography (IRT) and plasma cortisol and temperament measurements. Results: There was no interaction between sexual condition and diet for any trait. The ImC and NoC groups did not differ in rectal and ocular temperatures. The ImC animals had higher flight speeds (p = 0.022) and tended to have higher cortisol levels (p = 0.059) than the NoC animals. Animals fed ZH and RH did not differ in cortisol levels, respiratory rate, rectal temperature, temperature measured by IRT, or temperament behaviour. Conclusion: The ImC animals showed a less stable temperament during handling practices than NoC, whereas ZH and RH supplementation had no adverse effects on animal welfare.

미숙아 망막증 검사 중 맥락망막염으로 진단된 선천성 톡소포자충증 1례 (A Case of Congenital Toxoplasmosis with Chorioretinitis Diagnosed by an Examination for Retinopathy of Prematurity)

  • 조경순;김상은;김종현;오진희;고대균
    • Pediatric Infection and Vaccine
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    • 제13권2호
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    • pp.196-200
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    • 2006
  • 선천성 톡소포자충증은 산모로부터 Toxopalsma gondii가 수직 감염되어 유발되는 질환으로, 임상양상은 매우 다양해서 사산 혹은 분만 직후 사망하는 경우부터 중추신경계 손상을 나타내기도 하며 증상이 없기도 하나, 대부분 안 병변을 동반한다. 저자들은 최근까지 아프리카에서 거주하였던 산모로부터 분만된 미숙아에서 미숙아 망막증 추적검사 중 맥락망막염이 발견되고, 톡소포자충 IgM 항체 양성을 보여 선천성 톡소포자충증으로 확진한 환자를 경험하여 보고하는 바이다.

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소아 안와 연조직염의 임상적 고찰 (Clinical Characteristics of Orbital Cellulitis in Children)

  • 이용주;최경민;김동수
    • Pediatric Infection and Vaccine
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    • 제12권2호
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    • pp.178-185
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    • 2005
  • 목 적 : 안와 연조직염은 성인에 비해 소아에서 흔한 질환으로 안와 중격을 경계로 안와의 침범여부에 따라 안와주위 연조직염과 안와 연조직염으로 구분된다. 이 구분은 치료와 예후에 많은 차이를 보인다. 저자들은 안와 연조직염의 원인균, 임상증상, 검사 소견, 치료 및 합병증의 발생 등의 차이를 알아보고자 하였다. 방 법 : 1995년 5월부터 2004년 4월까지 안와 연 조직염으로 연세의료원에 입원 치료한 환아 50명을 대상으로 후향적으로 의무기록 고찰을 시행하였다. 결 과 : 총 50명 중 남아 32명, 여아 18명이었으며, 평균 연령 $3.2{\pm}3.5$년이었다. 안와 컴퓨터 단층 촬영상에서 안와주위 연조직염으로 진단받은 환아는 36명이었고, 안와 연조직염으로 진단받은 환아 10명, 확진되지 않은 환아 4명이었다. 안와주위 연조직염은 안구주위 부종 이외에 발열 7례(19%), 안구 동통 2례(6%), 결막 부종 8례(22%)의 증상이 있었으며, 안와 연조직염은 안구주위 부종 이외에 발열 8례(80%), 안구 동통 6례(60%), 안구 돌출 2례(20%), 결막 부종 7례(70%), 안구 운동 장애 2례(20%)의 증상이 있었다. 안와주위 연조직염의 선행질환으로 부비동염 5례(14%), 상기도감염 3례(8%), 결막염 7례(19%), 피부 상처 5례(14%), 원인 불명 16례(44%)였으며, 안와 연조직염의 선행질환은 부비동염 5례(50%), 상기도감염 2례(20%), 원인 불명 3례(30%)였다. 안와주위 연조직염 환아에서 C반응성단백, 적혈구침강속도는 각각 10례(50%), 15례(65%)에서 상승하였으며, 안와 연조직염에서는 4례(80%), 3례(100%)에서 상승하였다. 안와 연조직염 10례 중 9례에서, 안와주위 연조직염 36례 중 34례에서 1차 선택 항생제로 cefoxitin+aminoglycoside, penicillinase resistant penicillin+3세대 cephalosporin이 선택되었다. 안와주위 연조직염에서는 1차 선택 항생제로 모두 호전되었으나, 안와 연조직염 환아에서는 cefoxitin+aminoglycoside를 투여했던 7례 중 5례에서 호전 소견을 보이지 않아, 2차 항생제로 vancomycin 또는 clindamycin이 추가되었다. 수술적 처치는 총 3례에서 시행되었으며, 안와 연조직염 1례에서 세균성 뇌수막염이 동반되었다. 결 론 : 안와 연조직염은 안와의 침범여부에 따라 임상양상, 치료 및 예후가 달라지며, 임상 양상이 모호한 경우가 있으므로 초기단계에 반드시 안와 컴퓨터 단층촬영을 시행한 후에 치료에 임하는 것이 필요할 것으로 사료된다.

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