• 제목/요약/키워드: PAP

검색결과 475건 처리시간 0.03초

Journey of the Human Papillomavirus (HPV) in a Developing Country over 5 Years (2010 - 2015)

  • Danial, M;Sivasangari, S;Arulappen, AL;Ong, LM
    • Asian Pacific Journal of Cancer Prevention
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    • 제17권3호
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    • pp.1363-1368
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    • 2016
  • Human papillomavirus (HPV) is a prevalent sexually transmitted infection with serious medical, sexual, and relationship consequences. HPV vaccine protection is available globally but unfortunately vaccine uptake is inconsistent everywhere. From this study, it was observed that the awareness of cervical cancer, HPV virus and HPV vaccination in Malaysia is high, at 83.1%, 73.9% and 73.3% of respondents, respectively. However, a considerably low percentage had undergone HPV vaccination (8.6%) compared to those who had experienced a Pap smear (32.9%). Awareness between cervical cancer and HPV virus and vaccination was low. Health care providers and the governing bodies have to play a vital role in disseminating holistic information on the vaccine and the importance of getting vaccinated to the public more vigorously in Malaysia.

Utilization of A Gauss-Seidel Pseudo Affine Projection Algorithm and Volterra Filtering for Nonlinear Echo Cancellation (GS-PAP 알고리즘과 볼테라 필터링을 이용한 비선형 반향 신호 제거)

  • Seo, Jae-Bum;Kim, Duk-Ho;Kim, In-Suk;Kim, Gyeong-Jae;Nam, Sang-Won
    • Proceedings of the KIEE Conference
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    • 대한전기학회 2006년도 심포지엄 논문집 정보 및 제어부문
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    • pp.24-26
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    • 2006
  • In this paper, a nonlinear echo cancellation approach, based on a Gauss-Seidel pseudo affine projection algorithm and Volterra filtering, is proposed to compensate for echo path nonlinearity in the telephone network. Simulation results demonstrate that the proposed approach yields reduction of computational complexity and improved convergence speed than the conventional nonlinear echo cancellation methods (NLMS, ECLMS, FAP, RLS).

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Assessment of Cervical Cytological Data in Albanian Females

  • Filipi, Kozeta;Xhani, Anila
    • Asian Pacific Journal of Cancer Prevention
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    • 제15권5호
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    • pp.2129-2132
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    • 2014
  • Background: Cervical cancer is one of the most common female malignancies with high mortality rates in developing countries. Our purpose was to determine the prevalence of cervical cytological abnormalities by cervical cytology (CC) and the analysis of risk factors in Albanian population. Materials and Methods: A total of 5,416 conventional pap smear tests collected between January 2009 and January 2012 from Tirana University Hospital Obstetrics-Gynecology "Queen Geraldine" were retrospectively analyzed. Results: A total of 258 (4.8%) cases had epithelial abnormalities. The numbers and rates were as follows: atypical squamous cell of undetermined significance (ASCUS; n=150 [2.76%]); atypical glandular cells of undetermined significance (AGUS; n=8 [0.14%]); low-grade squamous intraepithelial lesion (LSIL; n=87 [1.6%]); high- grade squamous intraepithelial lesion (HSIL; n=10 [0.18%]); and squamous cell carcinoma (SCC; n=3 [0.05%]). Conclusions: The prevalence of cervical cytological abnormality in our study was 4.8%. A larger community-based study may establish the exact prevalence of malignant and premalignant lesions, so as to plan for future screening.

Review of Strategies in Promoting Attendance for Cervical Screening

  • Demirtas, Basak
    • Asian Pacific Journal of Cancer Prevention
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    • 제14권5호
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    • pp.3263-3267
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    • 2013
  • Background: The importance of cervical screening has been addressed in numerous studies. However, reviews conducted to explore of strategies to promoting attendance for cervical screening have been limited. This study aimed to explore strategies to promote attendance for cervical screening. Materials and Methods: A literature search from databases (1994-2011) was undertaken to include papers that identified strategies related to the cervical screening. Results: Twenty-four papers were included in this review. The review of existing strategies identified valuable information on cervical screening and areas that could be improved in meeting womens' needs. Conclusions: The review highlighted important aspects of cervical screening that could be further addressed by promoting strategies to attendance. Assessing women's health beliefs, inpatient cervical cancer screening, nurse-led screening, and cognition-emotion focused programs are among the strategies to promote attendance for pap smear testing.

Prevalence of Abnormal Papanicolaou Test Results and Related Factors among Women Living in Zanjan, Iran

  • Maleki, Azam;Ahmadnia, Elahe;Avazeh, Azar;Mazloomzadeh, Saeideh;Molaei, Behnaz;Jalilvand, Ahmad
    • Asian Pacific Journal of Cancer Prevention
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    • 제16권16호
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    • pp.6935-6939
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    • 2015
  • Background: Currently, a comprehensive program for screening and early detection of cervical cancer does not exist in Iran. This study aimed to determine the prevalence of abnormal Papanicolaou (Pap) smears and some related factors among women living in Zanjan, Iran. Materials and Methods: This cross-sectional study was conducted in 2012 in Zanjan on 4274 married women aged 20-65 years. The study participants were selected through two-stage cluster sampling. After obtaining written consent, demographic and fertility questionnaires were completed. Samples from cervix were obtained through a standard method using the Rover Cervex- Brush. Evaluation and interpretation of the samples were reported using the Bethesda 2001 method. Data were statistically analyzed using chi-square and logistic regression models. Results: Most inflammatory changes in the samples were mild (37.4%). Abnormal atypical changes in the epithelial cells were found in 4.04%. The highest percentage of abnormal changes in the epithelial cells was atypical squamous cells of undetermined significance (ASCUS) (1.9%). Abnormal results of Pap smear was significantly and independently associated with age, papillomavirus infection, and lack of awareness about Pap smear tests. Conclusions: Given the high prevalence of inflammatory and precancerous changes in this study, compared to other studies in Iran and other Muslim countries, and the effect of demographic variables and individual factors on abnormal results, increasing the awareness of women and their families regarding the risk factors for cervical cancer, preventive measures such as screening, and timely treatment seem necessary.

Factors Associated with Cervical Cancer Screening Amongst Women of Reproductive Age from Yucatan, Mexico

  • Conde-Ferraez, Laura;Allen, Rosa Etelvina Suarez;Martinez, Jorge Ramiro Carrillo;Ayora-Talavera, Guadalupe;Gonzalez-Losa, Maria del Refugio
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권9호
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    • pp.4719-4724
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    • 2012
  • This study aimed to analyse the participation of women of reproductive age in a cancer screening program, and survey reasons for non-screening in a region from Mexico with high cervical cancer mortality. A total of 281 obstetric patients from a previous HPV study in a social security hospital during 2008-2009 were included. Reasons for not participating in the screening were directly asked. HPV positive patients were invited to participate in an informative workshop, and they filled in a knowledge questionnaire. The women ranged in age from 14-47 years; 123 (43.8%) had never participated in screening, of which 97 (78.9%) had their first sexual intercourse 2 to 10 years ago, resulting in 25% HPV positive. Screening history was strongly associated with 2 or more gestations (OR=10.07, p=0.00) and older age (OR=6.69 p=0.00). When 197 women were contacted and interviewed, reasons referred for non-screening were ignorance, lack of interest or time, recent sexual onset, shame and fear. More than 50% of the workshop participants showed knowledge of HPV, while 38.9% and 25% knew about Pap smear and cervical cancer. A high percentage of women of reproductive age have never had a Pap smear. Promoting the screening program in medical facilities seems to be important in this population. New approaches to inform vulnerable individuals on the benefits of screening need to be implemented, especially for young women.

HR-Mediated Defense Response is Overcome at High Temperatures in Capsicum Species

  • Chung, Bong Nam;Lee, Joung-Ho;Kang, Byoung-Cheorl;Koh, Sang Wook;Joa, Jae Ho;Choi, Kyung San;Ahn, Jeong Joon
    • The Plant Pathology Journal
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    • 제34권1호
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    • pp.71-77
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    • 2018
  • Resistance to Tomato spotted wilt virus isolated from paprika (TSWV-Pap) was overcome at high temperatures ($30{\pm}2^{\circ}C$) in both accessions of Capsicum annuum S3669 (Hana Seed Company) and C. chinense PI15225 (AVRDC Vegetable Genetic Resources). S3669 and PI15225, which carrying the Tsw gene, were mechanically inoculated with TSWV-Pap, and then maintained in growth chambers at temperatures ranging from $15{\pm}2^{\circ}C$ to $30{\pm}2^{\circ}C$ (in $5^{\circ}C$ increments). Seven days post inoculation (dpi), a hypersensitivity reaction (HR) was induced in inoculated leaves of PI152225 and S3669 plants maintained at $25{\pm}2^{\circ}C$. Meanwhile, necrotic spots were formed in upper leaves of 33% of PI15225 plants maintained at $30{\pm}2^{\circ}C$, while systemic mottle symptoms developed in 50% of S3669 plants inoculated. By 15 dpi, 25% of S3669 plants had recovered from systemic mottling induced at $30{\pm}2^{\circ}C$. These results demonstrated that resistance to TSWV-Pap can be overcome at higher temperatures in both C. chinense and C. annuum. This is the first study reporting the determination of temperatures at which TSWV resistance is overcome in a C. annuum genetic resource expressing the Tsw gene. Our results indicated that TSWV resistance shown from pepper plants possess the Tsw gene could be overcome at high temperature. Thus, breeders should conduct evaluation of TSWV resistance in pepper cultivars at higher temperature than $30^{\circ}C$ (constant temperature).

Platelet-Activating Factor Enhances Experimental Pulmonary Metastasis of Murine Sarcoma Cells by Up-regulation of Matrix Metalloproteinases-9 Through NF-$\kappa$B-Dependent Pathway

  • Ko, Hyun-Mi;Back, Hae-Kyong
    • Biomedical Science Letters
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    • 제10권2호
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    • pp.143-151
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    • 2004
  • Matrix metalloproteinases (MMPs) are capable of degrading extracellular matrix, a process that is necessary for angiogenesis, tumor invasion and metastasis. Platelet-activating factor (PAP) increases angiogenesis, tumor growth and metastasis through nuclear factor (NF)-$\kappa$B activation. Based on these facts, the involvement of MMPs in PAF-induced pulmonary metastasis was investigated in murine sarcoma cells, MMSV-BALB/3T3. Messenger RNA expression and enzymatic activity of MMP-9 were assessed by RT-PCR and zymography, and cell migration and metastasis were done for the detection of MMP-9 functional activity. PAP induced mRNA expression and enzymatic activity of MMP-9, and its effects were either inhibited by the PAP antagonist, WEB 2170 or by the NF-$\kappa$B inhibitor, parthenolide, or p65 antisense oligonucleotide in a dose-dependent manner. In addition, PAF induced promoter activity of MMP-9, which was inhibited by WEB 2170, phenanthroline, NAC, PDTC. These results indicate that PAF induces mRNA expression and enzymatic activity of MMP-9 in NF-$\kappa$B dependent manner. Cell migration assay showed that PAF induced MMSV-BALB/3T3 migration, and its effect was significantly inhibited by treatment with phenanthroline. PAF enhanced pulmonary metastasis of murine sarcoma cells, MMSV-BALB/3T3 was also reduced by phenanthroline. These results suggest that PAF-enhanced cell migration and pulmonary metastasis is mediated through the expression of MMP. In conclusion, It is suggested that PAF enhances pulmonary metastasis by inducing MMP-9 expression via the activation of NF-$\kappa$B.

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