• 제목/요약/키워드: Infections

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우리나라 축우(畜牛)의 Eperythrozoon 감염(感染)에 관(關)한 연구(硏究) I. Eperythrozoon 감염(感染)의 실태조사(實態調査) (Studies on the Eperythrozoon infection of cattle in Korea 1. Survey on the Eperythrozoon infection)

  • 이학철;손제영;유동열;정영건
    • 대한수의학회지
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    • 제9권2호
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    • pp.37-42
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    • 1969
  • A survey on the Eperythrozoon infection of cattle was conducted by means of examinations of Giemsa staining blood films obtained from 2,263 cattle which had been fed in the middle and south parts of Korea. On the other hand, continuous hematological examinations to five splenectomized calves were performed. The results obtained were summarized as follows: 1. Eperythrozoon wenyoni were detected in the blood films of five cattle from Kyungpook and Cheju areas. 2. The infections of Eperythrozoon wenyoni were observed in four of five splenectomized calves from Taegu and Sungwhan areas. 3. From these results it is considered that the infections of Eperythrozoon wenyoni in cattle are quite common in the middle and south parts of Korea.

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Quorum Sensing and Quorum-Quenching Enzymes

  • Dong, Yi-Hu;Zhang, Lian-Hui
    • Journal of Microbiology
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    • 제43권spc1호
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    • pp.101-109
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    • 2005
  • To gain maximal benefit in a competitive environment, single-celled bacteria have adopted a community genetic regulatory mechanism, known as quorum sensing (QS). Many bacteria use QS signaling systems to synchronize target gene expression and coordinate biological activities among a local population. N-acylhomoserine lactones (AHLs) are one family of the well-characterized QS signals in Gram-negative bacteria, which regulate a range of important biological functions, including virulence and biofilm formation. Several groups of AHL-degradation enzymes have recently been identified in a range of living organisms, including bacteria and eukaryotes. Expression of these enzymes in AHL-dependent pathogens and transgenic plants efficiently quenches the microbial QS signaling and blocks pathogenic infections. Discovery of these novel quorum quenching enzymes has not only provided a promising means to control bacterial infections, but also presents new challenges to investigate their roles in host organisms and their potential impacts on ecosystems.

춘천에서 잡은 시궁쥐(Rattus norvegicus)의 윤충 감염 (Helminths in Rattus norvegicus captured in Chunchon, Korea)

  • 성제경;허선;이준섭;오양석
    • Parasites, Hosts and Diseases
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    • 제33권3호
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    • pp.235-238
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    • 1995
  • 1994년 4월 부터 10월까지 춘천시내 한 동물농장에서 시궁쥐를 잡아 간파 장에서 윤충의 감염상 태를 조사하였다. 모두 43마리 가운데서 간모세선충 11예 축소조충 14예 고양이조충의 조충애벌레(metacestode)가 28예에서 발견되었다. 이 시궁쥐들은 조사 지역의 인수공통감염증의 원천이 될 수 있다.

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Current Status of Taeniasis in Thailand

  • Anantaphruti, Malinee Thairungroj
    • Parasites, Hosts and Diseases
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    • 제51권1호
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    • pp.37-42
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    • 2013
  • Taeniasis is prevalent in all regions of Thailand, except the South. Infections were more frequently found in males than females of any age from 7-83 years. Taenia saginata is the most common species throughout the country. Taenia asiatica was reported only in the province of Kanchanaburi in the Central region. Co-infections, with Taenia solium and T. asiatica or T. solium and T. saginata, were found. Hybridization between T. asiatica and T. saginata is evidence that co-infection is never found between these 2 species. Finding more than 1 worm in a single patient was not entirely rare. Genetic variation was found without correlation to its geographic distribution in T. saginata, whereas no variation was found in T. asiatica.

Current Knowledge of Small Flukes (Digenea: Heterophyidae) from South America

  • Santos, Claudia Portes;Borges, Juliana Novo
    • Parasites, Hosts and Diseases
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    • 제58권4호
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    • pp.373-386
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    • 2020
  • Fish-borne heterophyid trematodes are known to have a zoonotic potential, since at least 30 species are able to infect humans worldwide, with a global infection of around 7 million people. In this paper, a 'state-of-the-art' review of the South American heterophyid species is provided, including classical and molecular taxonomy, parasite ecology, host-parasite interaction studies and a list of species and their hosts. There is still a lack of information on human infections in South America with undetected or unreported infections probably due to the information shortage and little attention by physicians to these small intestinal flukes. Molecular tools for specific diagnoses of South American heterophyid species are still to be defined. Additional new sequences of Pygidiopsis macrostomum, Ascocotyle pindoramensis and Ascocotyle longa from Brazil are also provided.

최근 10년간 Epidermophyton floccosum의 감염 상태(1998-2007) (The Clinical and Epidemiological Studies of Epidermophyton floccosum Infections(1998~2007))

  • 방용준;김쌍용
    • 대한임상검사과학회지
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    • 제41권2호
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    • pp.57-61
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    • 2009
  • Epidermophyton floccosum was known to be a frequently isolated dermatophyte agent of dermatophytosis in Korea, which regularly responsible for a small percentage of tinea cruris, tinea pedis, tinea corporis and onychomycosis. The purpose of this study was to investigate epidemiologic aspects of E. floccosum isolated in 71 patients from January 1998 to December 2007. The incidence of E. floccosum. was 0.07% out of a total of 107,026 dermatophytosis. The ratio of male to female patients was 6.9:1. Involved tinea were tinea cruris 44 (62.0%), tinea pedis 20 (28.2%), tinea corporis 2 (2.8%), tinea manus 2 (2.8%), tinea unguium 2 (2.8%), tinea faciale 1 (1.4%).

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Refractory Clostridium difficile Infection Cured With Fecal Microbiota Transplantation in Vancomycin-Resistant Enterococcus Colonized Patient

  • Jang, Mi-Ok;An, Jun Hwan;Jung, Sook-In;Park, Kyung-Hwa
    • Intestinal research
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    • 제13권1호
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    • pp.80-84
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    • 2015
  • The rates and severity of Clostridium difficile infections, including pseudomembranous colitis, have increased markedly. However, there are few effective treatments for refractory or recurrent C. difficile infections and the outcomes are poor. Fecal microbiota transplantation is becoming increasingly accepted as an effective and safe intervention in patients with recurrent disease, likely due to the restoration of a disrupted microbiome. Cure rates of >90% are being consistently reported from multiple centers. We cured a case of severe refractory C. difficile infection with fecal microbiota transplantation in a patient colonized by vancomycin-resistant enterococcus.

천식이 예방접종 후 항체 형성에 미치는 영향 (Asthma has an adverse effect on the production of antibody to vaccines)

  • 신윤호
    • Allergy, Asthma & Respiratory Disease
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    • 제6권6호
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    • pp.279-283
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    • 2018
  • Asthma is considered a chronic inflammatory airway disease. Mounting evidence reports that patients with asthma are at significantly higher risk of developing communicable diseases such as invasive pneumococcal disease, Haemophilus influenza, varicella, measles, pertussis and tetanus. While impaired innate immunity may play a role in increased risk of developing these infections, suboptimal adaptive immune responses have also been reported to play a role in asthmatic subjects with regard to increased risk of infections. This review discusses the currently underrecognized immunological effect of asthma on antibody to vaccines and recommends that clinicians be aware of less optimal antibody production in response to vaccines in subjects with asthma.

The relationship between mothers' knowledge and practice level of cough etiquette and their children's practice level in South Korea

  • Kim, Jungsun;Oh, Sangeun
    • Child Health Nursing Research
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    • 제27권4호
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    • pp.385-394
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    • 2021
  • Purpose: This study investigated the relationships between mothers' knowledge and practice level of cough etiquette and their children's practice level of cough etiquette as perceived by their mothers. Methods: This study was a descriptive correlational study. The data were collected from 160 mothers with preschoolers attending daycare centers and kindergartens in Gwangju, South Korea using self-reported questionnaires. Results: The correct answer rate for cough etiquette knowledge in mothers was 86.0%, mothers' average practice score was 33.65±4.14, and their children's average practice score was 28.39±4.85 out of 48. The correlation between mothers' cough etiquette knowledge and practice level was not statistically significant. However, mothers' cough etiquette practice was positively correlated with children's cough etiquette level as perceived by mothers (r=.35, p<.001). Conclusion: The development of a systematic cough etiquette education program and measurements for both mothers and children according to their developmental stages is important to effectively prevent respiratory infections.

A Case of Peritoneal Dialysis-related Peritonitis Caused by Aeromonas Hydrophila in the Patient Receiving Automated Peritoneal Dialysis

  • Kim, Hyun Jin;Park, Hyun Sun;Bae, Eunsin;Kim, Hae Won;Kim, Beom;Moon, Kyoung Hyoub;Lee, Dong-Young
    • 대한전해질대사연구회지
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    • 제16권2호
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    • pp.27-29
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    • 2018
  • Peritoneal dialysis (PD)-related peritonitis is a major cause of injury and technique failure in patients undergoing PD. Aeromonas hydrophila is ubiquitous in the environment, and is a Gram-negative rod associated with infections in fish and amphibians in most cases; however, it can also cause opportunistic infections in immunocompromised patients. We report a case of A. hydrophila peritonitis in a 56-year-old male on automated PD. Peritonitis may have been caused by contamination of the Set Plus, a component of the automated peritoneal dialysis device. Although Set Plus is disposable, the patient reused the product by cleansing with tap water. He was successfully treated with intraperitoneally-administered ceftazidime and has been well without recurrence for more than 2 years.