• 제목/요약/키워드: virus infection

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HIV감염과 MICA (MHC class I chain-related A) 대립 유전자의 연관성 (Association of HIV infection with MICA(MHC class I chain-related A) gene alleles)

  • 강문원;위성헌;김양리;이주실;표철우;한훈;김태규
    • IMMUNE NETWORK
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    • 제1권2호
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    • pp.135-142
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    • 2001
  • Background: A large number of diseases occur in association with specific HLA-B or-C alleles. Recently a new gene, termed maj or histocompatibility complex class I chain-related gene A (MICA), has been identified in close proximity to HLA-B. The function of this gene is still unknown. However, it is structurally similar to HLA class I genes. MICA gene is polymorphic and is potentially associated with several diseases. Methods: To evaluate the association of MICA gene in Korean patients with human immunodeficiency virus 1 (HIV-1) infections, Polymerase chain reaction-Sequence specific primer (PCR-SSP) was done for MICA alleles in the extracellular exons, and a microsatellite analysis for GCT repeat polymorphisms in the TM exon was also completed. Results: In 199 Korean healthy controls, 7 alleles were observed and the frequencies for each allele were MICA008 (44.7%), MICA0 10 (34.2%), MICA002 (31.7%), MICA004 (23.6%), MICA0 12 (2 1.6%), MICA009 (19.6%), and MICA007 (6.5%). When 65 HIV seropositive patients were analyzed, MICA007 allele frequency was significantly higher than in controls (15.4% vs 6.5 %, RR=2.6, p<0.04). In contrast, the frequencies of other MICA alleles and microsatellite alleles in the transmembrane region of MICA gene were not significantly different between HIV seropositive patients and controls. The tight linkage between MICA alleles in the extracellular exons and GCT repeat polymorphisms in the TM exon was observed as follows; MICA002/A9, MICA004/A6, MICA007/A4, MICA008/A5.1, MICA0 10/A5, and MICA0 12/A4 in both groups. No significant difference between patients and controls was observed in the haplotype frequencies of MICA alleles in the extracellular exons and GCT repeat polymorphisms in the TM exon. Conclusion: The data suggest that immune functions related with MICA gene may affect a HIV infections.

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Declining Incidence of Nasopharyngeal Carcinoma in Brunei Darussalam: a Three Decade Study (1986-2014)

  • Chong, Vui Heng;Telisinghe, Pemsari Upali;LIM, Edwin;Abdullah, Muhammad Syafiq;Idris, Fidah;Chong, Chee Fui
    • Asian Pacific Journal of Cancer Prevention
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    • 제16권16호
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    • pp.7097-7101
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    • 2015
  • Background: Nasopharyngeal carcinoma (NPC) is linked to Epstein Barr virus infection and is particularly common in the Far East, particularly among some Chinese groups. Certain ethnicities have been reported to have low incidence of NPC. This study looked at NPC in Brunei Darussalam over a three decade period. Materials and Methods: The cancer registry from 1986 to 2014 maintained by the State Laboratory was retrospectively reviewed. The age standardized rates (ASR) and the age specific incidence rates (ASIR) were calculated. Non NPC tumors were excluded from the study. Results: Altogether, there were a total of 450 NPC cases diagnosed accounting for 4.4% of all total cancer cases over the study period, declining from 10.3% in 1986-1990 to 2.3% in 2011-2014. The most common tumor type was the undifferentiated carcinoma (96.4%). The case characteristics were mean age $50.4{\pm}14.4$ years old, male 69%, and predominately Malays 74.4%, followed by Chinese 16.7%. The mean age of diagnosis increased over the study period from $45.6{\pm}17.1$ years (1986-1989) to $54.1{\pm}12.5$ years (ANOVA, p<0.01 for trend). There were no differences in the mean age of diagnosis between the ethnic groups or genders. The ASR showed a declining trend from 11.1 per 100,000 in 1986-1990 to 5.95 per 100,000 in 2011-2014, similar trends been observedfor both genders. Among the age groups, declining trends were seen in all the other age groups apart from the >70 years group. The overall ASRs for the Malays and Chinese were 7.92/100,000 and 8.83/100,000 respectively, both showing declining trends. Conclusions: The incidence of NPC in Brunei Darussalam is comparable to rates reported from Singapore and Malaysia, but higher than rates reported from the other Southeast Asian nations. Unlike higher rates reported for Chinese compared to the Malays in other countries, the rates between the Malays and Chinese in our study was comparable. Importantly, the ASR is declining overall and for both genders and ethnic groups.

불명열로 오인된 아급성 괴사성 림프선염 1례 (A Case of Subacute Necrotizing Lymphadenitis Presenting as Fever of Unknown Origin)

  • 양인숙;박경호;강진한;김소영;이원배;김현희
    • Pediatric Infection and Vaccine
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    • 제8권2호
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    • pp.253-259
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    • 2001
  • 1972년에 Kikuchi씨에 의해 최초로 보고된 아급성 괴사성 림프선염은 30세 전 연령에서 주로 발병하고 여자에서 다소 높게 발생하는 역학적 특성이 있는 질환으로서 발열, 발진, 림프구감소 등의 임상증상이 동반되어 감염성 병원체에 의한 질환일 가능성을 추정하나 원인은 확인되지 않았다. 한편 Kikuchi씨 질환은 임상적으로 불명열에 준하는 장기간의 발열과 림프선 종창을 보이는 소견 이외에 특징적인 증상과 증세가 없고 진단을 위한 면역혈청학적 특이검사가 없어 진단이 매우 어려워 조기에 감염 질환, 자가면역성 질환, 교원성 질환, 림프종양질환과의 감별이 용이하지 않아 이 질환이 의심될 경우 조기에 림프절 생검을 통한 조직병리 소견으로 진단하여 불필요한 검사와 치료를 방지하는 것이 중요하다. 저자들은 기침, 객담, 경부 림프절 종창이 있으면서 발열이 30일 동안이나 지속되어 불명열 환자로 오인되었던 14세 된 남아에서 생검한 경부 림프절 조직에서 전형적인 아급성 괴사성 림프절염 소견을 확인하고, 동시에 동소 교잡법으로 EBV 잠복감염을 확인한 1례를 경험하였기에 문헌고찰과 함께 보고하는 바이다.

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난치성 사마귀의 수술적 치료 (Surgical Treatment of Recalcitrant Wart)

  • 김가람;최재구;허지연;고장휴;서동국;이종욱;장영철
    • Archives of Plastic Surgery
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    • 제38권6호
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    • pp.798-802
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    • 2011
  • Purpose: A wart is caused by epidermal infection with the human papilloma virus. Although wart naturally disappears in some cases, it require treatment because of pain, aesthetic problem, and the possibility of malignant change. Conventional non-surgical treatment cannot be a fundamental solution for the pain and has such disadvantages as frequent recurrence and difficulties in achieving a satisfactory outcome. A surgical procedure was performed on patients with wart and the procedure had a good outcome. Methods: We investigated the gender, age, lesion site, mean treatment duration, and presence or absence of recurrence in 21 patients with a wart within the period of January 2007 to July 2011. For local lesions, primary closure, including subcuticular suture after the excision, was performed. If the defect size was too big to do primary closure, we performed rotation flap. For wide multiple lesions, a split thickness skin graft was performed. Results: Among the 21 patients, 12 patients were male and 9 patients were female, and their mean age was 42 years (SD=17.38, range: 11~75 years). The lesion site was the foot in 10 patients, the hand in 8 patients, the face in 2 patients, and the scalp in 1 patient. The mean treatment duration was 13.5 days (SD=4.36, range: 6~15 days) for the primary closure or rotation flap, and 18.5 days (SD=2.12, range: 17~20 days) for the skin graft. 20 patients were cured without recurrence. No recurrence was observed in the patients who underwent primary closure or rotation flap. One of the two patients who underwent a skin graft of their wart that had covered their entire palm had local recurrence in part of her finger tips. Conclusion: We performed surgical procedure on recalcitrant wart. As a results, we can treat it with short treatment duration, low recurrence rate and less scarring and get high patient satisfaction.

2009년부터 2013년까지 서울의 일개 대학병원에서 동정된 로타바이러스 유전형의 분포 (Distribution of Human Rotavirus Genotypes in a Tertiary Hospital, Seoul, Korea During 2009-2013)

  • 한태희;박상훈;정주영;황응수
    • Pediatric Infection and Vaccine
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    • 제22권2호
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    • pp.81-90
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    • 2015
  • 목적: 한국에 백신이 도입된 이후 장염으로 입원한 소아에서 확인된 로타바이러스 유전형의 분포를 알아보고자 하였다. 방법: 2009년 8월부터 2013년 6월 사이에 급성 위장관염으로 입원한 소아에게서 수집된 201개의 로타바이러스 양성 대변 검체를 대상으로 로타바이러스 유전형 분석이 시행되었다. 결과: G 유전형은 G9 (33.3%), G1 (22.4%), G3 (15.9%), G2 (6.0%), G4 (3.0%), G10 (1.5%)이었고 혼합형(15.4%) 및 분류불능(2.5%)이 관찰되었다. P 유전형은 P[4] (45.3%)과 P[8] (43.8%)가 주로 검출되었고 혼합형(10.4%)과 P[2] (0.5%)가 발견되었다. G9P[4] 유전형이 2010/2011년에 자주 검출되었으나 이후에 G1P[8] 유전형이 주로 검출되었다. 결론: 로타바이러스 백신 도입 이후 2009-2013년 동안 G1, G3 및 G9이 번갈아가며 주로 검출되는 것을 확인하였다.

Number of External Anogenital Warts is Associated with the Occurrence of Abnormal Cervical Cytology

  • Chayachinda, Chenchit;Boriboonhirunsarn, Dittakarn;Thamkhantho, Manopchai;Nuengton, Chanon;Chalermchockcharoenkit, Amphan
    • Asian Pacific Journal of Cancer Prevention
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    • 제15권3호
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    • pp.1177-1180
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    • 2014
  • Background: Anogenital warts (AGWs) are common results of sexually transmitted infection (STI). Human papillomavirus (HPV) types 6 and 11, which are non-oncogenic types, account for 90% of the clinical manifestations. Although the quadrivalent HPV vaccine has been launched, AGW remains prevalent in some countries and shows association with abnormal cervical cytology. Objectives: To study the prevalence of abnormal cervical cytology (low grade squamous intraepithelial lesions or worse; LSIL+) in immunocompetent Thai women newly presenting with external AGWs. Materials and Methods: Medical charts of all women attending Siriraj STI clinic during 2007-2011 were reviewed. Only women presenting with external AGWs who were not immunocompromised (pregnant, human immunodeficiency virus positive or being on immunosuppressant drugs) and had not been diagnosed with cervical cancer were included into the study. Multivariate analysis was used to determine the association between the characteristics of the patients and those of AGWs and LSIL+. Results: A total of 191 women were eligible, with a mean age of $27.0{\pm}8.9$ years; and a mean body mass index of $20.6{\pm}8.9kg/m^2$. Half of them finished university. The most common type of AGWs was exophytic (80.1%). The posterior fourchette appeared to be the most common affected site of the warts (31.9%), followed by labia minora (26.6%) and mons pubis (19.9%). The median number of lesions was 3 (range 1-20). Around 40% of them had recurrent warts within 6 months after completing the treatment. The prevalence of LSIL+ at the first visit was 16.3% (LSIL 12.6%, ASC-H 1.1%, HSIL 2.6%). After adjusting for age, parity and miscarriage, number of warts ${\geq}5$ was the only factor associated with LSIL+(aOR 2.65, 95%CI 1.11-6.29, p 0.027). Conclusions: LSIL+ is prevalent among immunocompetent Thai women presenting with external AGWs, especially those with multiple lesions.

Dynamics and Liver Disease Specific Aspects of Quality of Life Among Patients with Chronic Liver Disease in Yunnan, China

  • Che, Yan-Hua;You, Jing;Chongsuvivatwong, Virasakdi;Li, Li;Sriplung, Hucha;Yan, Yuan-Zhi;Ma, Si-Jia;Zhang, Xiaoli;Shen, Ting;Chen, He-Min;Rao, Shao-Feng;Zhang, Ru-Yi
    • Asian Pacific Journal of Cancer Prevention
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    • 제15권12호
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    • pp.4765-4771
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    • 2014
  • Background: Patients with chronic liver diseases (CLD) may have compromised health related quality of life (HRQoL). Hepatitis B virus (HBV) infection has long been the leading cause of CLD including liver cancer and cirrhosis. Knowledge on different symptom profiles of CLD should help in development of comprehensive treatment and patient care plans. Objective: To access the facets of HRQoL in chronic liver diseases throughout their spectrum of severity. Materials and Methods: A cross-sectional study was conducted in the First Affiliated Hospital of Kunming Medical University in Yunnan Province of China. Both out- and inpatients undergoing treatment protocols for different HBV related liver disease states were consecutively collected from December 2012 to June 2013. ANOVA was used to compare the mean scores of EQ-5D and chronic liver disease questionnaire (CLDQ) among 5 disease groups. The relationship between demographic variables predicting global CLDQ scores and the domains of CLDQ was analysed. Results: A total of 1040 patients including 520 without complications, 91 with compensated cirrhosis, 198 with decompensated cirrhosis, 131 with HCC and 100 with liver failure were recruited. All domains of CLDQ, the means of EQ-5D value and EQ VAS exhibited significant decline with worsening of disease severity from uncomplicated HBV to liver failure. The multivariate regression demonstrated the reduction of mean scores of CLDQ domain at advanced stage. Patients with liver failure and HCC had more HRQoL impairment than other disease states. No effect of patient gender was found. Patient age was associated with 'fatigue' and 'worry' domains (p=0.006; p=0.004) but not with other domains and global scores of CLDQ and ED-5D. Conclusions: The HRQoL in chronic hepatitis B patients is greatly affected by disease states. Care for HBV-related diseases should consider not only the outcomes of treatment strategies but also improvement in patient wellbeing.

주요 말 전염성 질병에 대한 국내 보유마필의 감염현황조사 (The 1985 Survey on Horse Diseases of Veterinary Importance in Korea)

  • 이영옥;안수환;전영;윤용덕;박봉균;허영;김종만;장환;김용희;설동섭;송지봉;정종기;이근희;김희파
    • 대한수의학회지
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    • 제26권1호
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    • pp.87-92
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    • 1986
  • The present surveys were conducted in attempts to investigate the health situation of horses in Korea through mass-screening the samples serologically, bacteriologically and clinically. A total of 575 horses were sampled randomly, comprising 126 from the Korean Horse Affairs Association, 288 from the Korean Equestrian Federation and 161 from the Jeju ponies. Each of the samples taken was tested for diagnoses of 18 horse diseases including African horse sickness. Summarised below are the results obtained from this surveys. 1. From results of the serological survey it is evident that Korea is currently free from African horse sickness, dourine, glanders, vesicular stomatits, equine piroplasmosis, equine viral arteritis, Venezuelan encephalomyelitis and contagious equine metritis. Constant vigilence with strengthened quarantine measures is thus vital for maintaining freedom of any those diseases in Korea. 2. No clinical case was observed with any of signs or symptoms of infectious lymphangitis, anthrax and infestations with ringworm, mange or scab. However, continuous follow-up is required for establishing the evidence of no occurrence of the diseases in Korea. 3. One case of seropositive to equine infectious anemia may fully justify systematic and regular testings for the whole population of horse in Korea. 4. It is manifested that equine rhinopneumonitis, Japanese encephalitis and Getah virus infection are well established in Korea, together with the presence of equine infectious abortion(Salmonella abortus equi). This strongly entails preventive precautions before entry into Korea for the horses participating in the 1986 Asian Games and the 1988 Seoul Olympics.

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이성대상포진으로 인한 안면신경마비환자 11례에 대한 임상적 고찰 (Clinical Studies on 11 Cases of Facial Nerve Palsy in Herpes Zoster Oticus)

  • 김윤미;백용현;이재동;박동석;김창환;고형균
    • Journal of Acupuncture Research
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    • 제19권5호
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    • pp.234-246
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    • 2002
  • Background: Herpes Zoster Oticus, which can be caused from infection by Varicella-zoster virus, is known to be expected poor prognosis, since it has higher possibility of complete injury of facial nerve. Conservative therapy of the Western medicine is effective on the treatment for the herpes zoster and pain. However, its effectiveness on the facial verve palsy has not been proven. Objective : This study was performed to evaluate the treatment of oriental medicine and an analyze prognosis of the facial nerve palsy in Herpes Zoster Oticus. Methods : This retrospctive study was conducted to observe the clinical manifestation of Herpes Zoster Oticus, and the result of electrical diagnostic study on the patients with the facial nerve palsy in Herpes Zoster Oticus who were diagnosed and treated at the Department of Acupuncture & Moxibustion in Kyung Hee Oriental Medical Hospital. Results : 1. According to the six clinical types of Herpes Zoster Oticus, the patients in this study can be grouped as 7 cases of the type II, 2 cases of the type V, and one case of the type IV and the type VI. 2. The shorter the period from onset to the first visit to a hospital, the prognosis of facial nerve palsy in Herpes Zoster Oticus was the better. 3. According to the follow up study, the H-B grades of all cases were improved. 4. According to the follow up study, the result of electrical diagnostic study was improved. Conclusions : We found in our study that the treatment of oriental medicine, such as acupuncture, herbal medicine and aroma therapy, helps the recovery of facial nerve palsy in Herpes Zoster Oticus. The further clinical study about the more cases of facial nerve palsy in Herpes Zoster Oticus and comparative study between the group of oriental medicine and that of western medicine are needed.

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사료급이(oral feeding)에 의한 vaccination을 통한 흰반점바이러스(WSSV)에 대한 재조합단백질 rVP19+28의 백신효능의 확인 (Vaccination of Shrimp (Litopenaeus vannamei) against White Spot Syndrome Virus (WSSV) by Oral Vaccination of Recombinant Fusion Protein, rVP19+28)

  • 응위엔 호아이;김영진;최미란;김성구
    • 생명과학회지
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    • 제20권8호
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    • pp.1181-1185
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    • 2010
  • 본 연구는 WSSV의 주요 구조단백질인 VP19와 VP28을 모두 포함하는 VP19+28 fusion protein을 제조하여, Litopenaeus vannamei에서 WSSV에 대한 백신으로서의 효능을 평가하고자 수행하였다. VP19와 VP28 유전자를 fusion하여 제작한 VP19+28 유전자를 pET-28a(+) vector에 삽입하고 단일단백질로서 제작된 VP19+28 유전자를 E. coli BL21 (DE3)에서 발현시켰다. 백신실험을 위해 새우에게 2주 동안 실험용 사료를 급이하였으며, 그 후 바이러스액($1{\times}10^2$배로 희석한 WSSV)을 이용하여 새우에게 주사 감염에 의해 in vivo 공격실험(challenge test)을 수행하였다. 실험결과, vaccination을 하지 않은 새우들은 감염 후 11일째에 100%의 누적폐사율을 보였으며, host control로써 E. coli BL21을 사용하여 vaccination한 새우들은 감염 후 17일째에 100%의 누적폐사율을 보였다. rVP19, rVP28, rVP19+28을 이용하여 vaccination한 새우들의 경우 감염 후 21일째에 각각 66.7%, 41.7%, 41.7%의 누적폐사율을 보였다. 이상의 결과를 통해 rVP28과 rVP19+28이 WSSV에 대해 높은 백신효능을 가짐을 확인하였다. 또한 감염 후 21일째에 fusion protein rVP19+28과 rVP28의 누적폐사율은 동일하였지만 공격실험기간 동안 폐사율이 rVP19+28을 투여 한 실험군이 낮게 나타나는 것을 보아 WSSV에 대한 새우의 방어효능은 rVP19+28이 더 높음을 나타내는 것이다.