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Cai Z, Huang Y, Tang JH, Zhang R, Chen JK, Wang J, Ma YY. [Heparin-binding hemagglutinin as a composition antigen of tuberculosis vaccine exerts protective immune effects by inducing IL-17]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:370-376. [PMID: 35381662 DOI: 10.3760/cma.j.cn112150-20211206-01122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
To explore the protective immune effect induced by mucosal delivery heparin-binding hemagglutinin (HBHA)-a candidate vaccine antigen of Mycobacterium tuberculosis. Female C57BL/6 mice were between 6 and 8 weeks of age before experimental use. Thirty mice received different immunization strategies and were randomly divided into the control group, the early secreting antigen target-6 (ESAT-6) intranasal immunization group, the HBHA intranasal immunization group, the BCG priming PBS control group, or BCG priming HBHA boost group, 6 mice in each group. In order to analyzed the immune effect, the concentrations of plasma Interleukin-17A (IL-17A) and other cytokines were measured by ELISA. Quantitative real-time PCR analyses were performed to detect the relative quantity (RQ) mRNA of IL-17A in the lung. The lung tissue sections were stained to detect the formation of the tertiary lymphoid structures. The chemokines contributed to formation of the tertiary lymphoid structures were also measured. Flow cytometry was used to detect the frequency of Th1 and Th17 cells in the system. Sixty mice in the BCG priming PBS control group and the BCG priming HBHA boost group were sacrificed at different time points after infection to count the lung bacterial burden. The concentrations of plasma IL-17A and relative quantity of lung IL-17A mRNA were highest in the BCG priming HBHA boost group [(14.76±4.73) pg/mL,RQ (12.27±6.71)], which was significantly higher than the control group [(5.57±2.95) pg/mL,RQ (1.30±0.97)] (t=4.213, P<0.001; t=5.984, P<0.001), and also significantly higher than the BCG priming PBS control group [(6.81±2.18) pg/mL,RQ (1.44±1.16)] (t=3.646 P=0.001; t=6.185 P<0.001). Compared with the BCG priming PBS control group (0.38±0.38)% the frequency of spleen Th17 cells were also significantly increased (t=-0.280, P=0.048) in the BCG-primary HBHA boost group (1.02±0.34)%. In addition, HBHA boosting could promote better formation of the tertiary lymphoid structures in the lung, and decrease the bacterial load on the early stage after BCG challenge. Collectively, mucosal delivery of HBHA can effectively enhance the protective effect after BCG vaccination, and it is a potential candidate vaccine component.
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Affiliation(s)
- Z Cai
- Department of Clinical Laboratory, Air Force Medical Center, Beijing 100142, China
| | - Y Huang
- Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100005, China
| | - J H Tang
- Department of Clinical Laboratory, Air Force Medical Center, Beijing 100142, China
| | - R Zhang
- Department of Clinical Laboratory, the First Affiliated Hospital, Air Force Medical University, Xi'an 710032, China
| | - J K Chen
- Department of Clinical Laboratory, the First Affiliated Hospital, Air Force Medical University, Xi'an 710032, China
| | - J Wang
- Department of Clinical Laboratory, the First Affiliated Hospital, Air Force Medical University, Xi'an 710032, China
| | - Y Y Ma
- Department of Clinical Laboratory, Air Force Medical Center, Beijing 100142, China
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Peart MS, Cartwright AF, Tadikonda A, Upadhyay UD, Jones RK, Tang JH, Bryant AG, Morse JE, Stuart GS. POSTER ABSTRACTS. Contraception 2021. [DOI: 10.1016/j.contraception.2021.07.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Chen Z, Liu XF, Feng H, Tang JH, Zhao CM, Guo SJ, Chen Q, Liu L. Application of Maxillary Sinus Effusion Detection in Diagnosis of Drowning. Fa Yi Xue Za Zhi 2021; 37:215-219. [PMID: 34142483 DOI: 10.12116/j.issn.1004-5619.2020.400325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Indexed: 11/30/2022]
Abstract
Abstract Objective To study the imaging characteristics of maxillary sinus effusion in drowned bodies, to explore its morphological characteristics and value in the diagnosis of the cause of death, and to provide objective evidence to support the study of virtual anatomy of drowning. Methods The 154 postmortem CT examination cases (31 cases of drowning, 123 cases of non-drowning) of Beijing Public Security Bureau Forensic Center in 2019 were collected. The bodies of all cases were scanned by multi-layer spiral CT before double-blind reading by clinical imaging experts. Maxillary sinus of corpses with maxillary sinus effusion in imaging findings was punctured. The detection rate of maxillary sinus effusion was calculated. The CT value and volume of maxillary sinus effusion were measured on 3D DICOM workstation. Results The detection rate of maxillary sinus effusion in the drowning was 100%, the shape was horizontal liquid level, the volume was 1.2-11.2 mL, the CT value was 6.08-19.02 Hu, with an average value of 12.85 Hu. The detection rate of maxillary sinus effusion in non-drowning was 19.51% (24/123), the shape was wavy or irregular, and there were bubbles inside, the volume was 0.4-13.4 mL, the CT value was 23.68-77.75 Hu, with an average value of 42.08 Hu. The differences in CT value between the two groups had statistical significance. Conclusion The postmortem CT examination method can be used to observe the shape and measure the CT value of the maxillary sinus effusion in the bodies in water, which can be an auxiliary examination method for identification of drowning.
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Affiliation(s)
- Z Chen
- School of Forensic Medicine, Shanxi Medical University, Taiyuan 030001, China
| | - X F Liu
- Criminal Investigation Brigade of Beijing Public Security Bureau, Beijing 100023, China
| | - H Feng
- Criminal Investigation Brigade of Beijing Public Security Bureau, Beijing 100023, China
| | - J H Tang
- Criminal Investigation Brigade of Beijing Public Security Bureau, Beijing 100023, China
| | - C M Zhao
- Criminal Investigation Brigade of Beijing Public Security Bureau, Beijing 100023, China
| | - S J Guo
- Detachment of Criminal Investigation, Haidian Branch of Beijing Public Security Bureau, Beijing 100192, China
| | - Q Chen
- Criminal Investigation Brigade of Beijing Public Security Bureau, Beijing 100023, China
| | - L Liu
- Criminal Investigation Brigade of Beijing Public Security Bureau, Beijing 100023, China
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Bula AK, Hatfield-Timajchy K, Chapola J, Chinula L, Hurst SA, Kourtis AP, Tang JH. Motivations to use hormonal contraceptive methods and condoms among HIV-positive and negative women randomized to a progestin contraceptive in Malawi: a qualitative study. BMC Womens Health 2021; 21:114. [PMID: 33743659 PMCID: PMC7981805 DOI: 10.1186/s12905-021-01236-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 02/22/2021] [Indexed: 11/10/2022]
Abstract
BACKGROUND Although many countries have been promoting hormonal contraceptives to prevent unintended pregnancy and condom use to prevent HIV transmission, little is known about how women targeted by these messages have interpreted and internalized them. We describe HIV-positive and negative women's understanding of the benefits of contraception and condoms and their motivations to use them. METHODS This is a qualitative sub-study from a clinical trial evaluating the effects of progestin contraception on HIV-positive and negative women aged 18-45 years randomly assigned to depot medroxyprogesterone acetate (DMPA) injection or levonorgestrel (LNG) implant. We purposively recruited 41 women to participate in in-depth interviews (IDIs) and focus group discussions (FGDs) after randomization into the main study. We conducted a total of 30 IDIs and 6 FGDs comprised of 4-7 women (N = 32). All women were counselled about potential risks for HIV acquisition/transmission with progestin-only contraception, drug-drug interactions between the implant and efavirenz-based ART, and the need to use condoms with their assigned contraceptive to help prevent pregnancy and HIV acquisition and transmission. RESULTS All women understood that HIV is transmitted through unprotected sex and that HIV transmission can be prevented through condom use but not DMPA injection or LNG implant use. Nearly all HIV-positive women knew or suspected that their partners were also HIV-positive and were most interested in using condoms to prevent infection with a drug-resistant HIV strain to keep their HIV viral load low. Almost all reported that their partners agreed to condom use, but few used them consistently. Most women believed that condoms were effective at preventing both HIV and pregnancy if used consistently. Nearly all women considered contraception and condom use as important in preventing unintended pregnancy and HIV because partner disclosure of HIV status is low. CONCLUSION Our results showed that both HIV-positive and negative women understood modes of HIV transmission and prevention and were aware that hormonal contraceptives are only effective for preventing pregnancy and not HIV. Although both HIV-negative and positive women were motivated to use condoms to prevent both HIV acquisition and infection with other HIV strains respectively, they all faced challenges from their partners in using condoms consistently.
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Affiliation(s)
- Agatha K Bula
- UNC Project-Malawi, Private Bag A-104, Lilongwe, Malawi.
| | | | - John Chapola
- UNC Project-Malawi, Private Bag A-104, Lilongwe, Malawi
| | - L Chinula
- UNC Project-Malawi, Private Bag A-104, Lilongwe, Malawi.,Department of OB-GYN, University of North Carolina At Chapel Hill, Chapel Hill, NC, USA
| | - Stacey A Hurst
- U.S. Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Athena P Kourtis
- U.S. Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - J H Tang
- Department of OB-GYN, University of North Carolina At Chapel Hill, Chapel Hill, NC, USA
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Yun W, Zhang J, Tang JH, Zhou ZM. Effects of Breast-Conserving Surgery and Modified Radical Mastectomy on Early Breast Cancer. Indian J Pharm Sci 2021. [DOI: 10.36468/pharmaceutical-sciences.spl.390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Mi RH, Chen L, Liu J, Liu T, Wang K, Dong LH, Li X, He YZ, Liu ZB, Guo XJ, Guo SL, Zhao HM, Tang JH, Ma XM, Li YF, Wei XD. [Clinical analysis of 10 patients of acute promyelocytic leukemia with a variant RARα translocation]. Zhonghua Xue Ye Xue Za Zhi 2020; 41:257-260. [PMID: 32311899 PMCID: PMC7357931 DOI: 10.3760/cma.j.issn.0253-2727.2020.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- R H Mi
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - L Chen
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - J Liu
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - T Liu
- Zhoukou Central Hospital, Zhoukou 466000,China
| | - K Wang
- Zhoukou Central Hospital, Zhoukou 466000,China
| | - L H Dong
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - X Li
- Henan University First Affiliated Hospital, Kaifeng 475004, China
| | - Y Z He
- Puyang City Oilfield General Hospital, Puyang 457001, China
| | - Z B Liu
- Puyang City Oilfield General Hospital, Puyang 457001, China
| | - X J Guo
- Puyang City Oilfield General Hospital, Puyang 457001, China
| | - S L Guo
- Luoyang Central Hospital, Luoyang 471099, China
| | - H M Zhao
- Henan University Huaihe Hospital, Kaifeng 475399, China
| | - J H Tang
- People's Liberation Army in the 988 Hospital (Kaifeng District), Kaifeng 475002, China
| | - X M Ma
- Pingdingshan First People's Hospital,Pingdingshan 467021, China
| | - Y F Li
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - X D Wei
- Henan Cancer Hospital/the Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
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Kopp DM, Tang JH, Bengtson AM, Chi BH, Chipungu E, Moyo M, Wilkinson J. Continence, quality of life and depression following surgical repair of obstetric vesicovaginal fistula: a cohort study. BJOG 2018; 126:926-934. [PMID: 30461170 DOI: 10.1111/1471-0528.15546] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/29/2018] [Indexed: 12/31/2022]
Abstract
OBJECTIVE We evaluated residual incontinence, depression, and quality of life among Malawian women who had undergone vesicovaginal fistula (VVF) repair 12 or more months previously. DESIGN Prospective cohort study. SETTING Fistula Care Centre in Lilongwe, Malawi. POPULATION Women who had undergone VVF repair in Lilongwe, Malawi at least 12 months prior to enrolment. METHODS Self-report of urinary leakage was used to evaluate for residual urinary incontinence; depression was evaluated with the Patient Health Questionnaire-9; quality of life was evaluated with the King's Health Questionnaire. MAIN OUTCOME MEASURES Prevalence and predictors of residual incontinence, quality of life scores, and prevalence of depression and suicidal ideation. RESULTS Fifty-six women (19.3%) reported residual urinary incontinence. In multivariable analyses, predictors of residual urinary incontinence included: pre-operative Goh type 3 [adjusted risk ratio (aRR) 2.82; 95% confidence interval (CI) 1.61-5.27) or Goh type 4 1.08-2.78), positive postoperative cough stress test (aRR = 2.42; 95% CI 1.24-4.71) and the positive 1-hour postoperative pad test (aRR = 2.20; 95% CI 1.08-4.48). Women with Goh types 3 and 4 VVF reported lower quality of life scores. Depressive symptoms were reported in 3.5% of women; all reported residual urinary incontinence. CONCLUSIONS While the majority of women reported improved outcomes in the years following surgical VVF repair, those with residual urinary incontinence had a poorer quality of life. Services are needed to identify and treat this at-risk group. TWEETABLE ABSTRACT Nearly one in five women reported residual urinary incontinence at follow up, 12 or months after vesicovaginal fistula repair.
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Affiliation(s)
- D M Kopp
- UNC Project-Malawi, Lilongwe, Malawi.,Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, NC, USA
| | - J H Tang
- UNC Project-Malawi, Lilongwe, Malawi.,Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, NC, USA
| | - A M Bengtson
- Department of Epidemiology, Brown University, Rhode Island, USA
| | - B H Chi
- Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, NC, USA
| | - E Chipungu
- Fistula Care Center, Lilongwe, Malawi.,Department of Obstetrics and Gynaecology, Malawi College of Medicine, Blantyre, Malawi
| | - M Moyo
- Fistula Care Center, Lilongwe, Malawi
| | - J Wilkinson
- Fistula Care Center, Lilongwe, Malawi.,Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX, USA
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Tang JH, Lemani C, Nkambule J, Talama G, Banda C, Zgambo W, Krashin J, Chinula L. 2-Year contraceptive discontinuation rates among immediate postpartum implant and intrauterine device users at a rural district hospital in Malawi: a prospective cohort study. Contraception 2017. [DOI: 10.1016/j.contraception.2017.07.116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Bee YS, Tu L, Sheu SJ, Lin HC, Tang JH, Wang JH, Prea SM, Dusting GJ, Wu DC, Zhong J, Bui BV, Tai MH, Liu GS. Gene Delivery of Calreticulin Anti-Angiogenic Domain Attenuates the Development of Choroidal Neovascularization in Rats. Hum Gene Ther 2017; 28:403-414. [DOI: 10.1089/hum.2016.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Youn-Shen Bee
- Department of Ophthalmology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Yuh-Ing Junior College of Health Care and Management, Kaohsiung, Taiwan
- National Defense Medical Center, Taipei, Taiwan
| | - Leilei Tu
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia
- Department of Ophthalmology, the First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Shwu-Jiuan Sheu
- Department of Ophthalmology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Hsiu-Chen Lin
- Department of Ophthalmology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Jia-Hua Tang
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Jiang-Hui Wang
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia
- Ophthalmology, Department of Surgery, University of Melbourne, East Melbourne, Australia
| | - Selwyn M. Prea
- Department of Optometry and Vision Sciences, University of Melbourne, East Melbourne, Australia
| | - Gregory J. Dusting
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia
- Ophthalmology, Department of Surgery, University of Melbourne, East Melbourne, Australia
| | - Deng-Chyang Wu
- Center for Stem Cell Research, Kaohsiung Medical University, Kaohsiung, Taiwan
- Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jingxiang Zhong
- Department of Ophthalmology, the First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Bang V. Bui
- Department of Optometry and Vision Sciences, University of Melbourne, East Melbourne, Australia
| | - Ming-Hong Tai
- Center for Stem Cell Research, Kaohsiung Medical University, Kaohsiung, Taiwan
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan
- Center for Neuroscience, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Guei-Sheung Liu
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, East Melbourne, Australia
- Ophthalmology, Department of Surgery, University of Melbourne, East Melbourne, Australia
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Zhang JJ, Jia JM, Tao N, Song ZX, Ge H, Jiang Y, Tian H, Qiu EC, Tang JH, Liu JW. [Mediator effect analysis of the trait coping style on job stress and fatigue of the military personnel stationed in plateau and high cold region]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2017; 35:176-180. [PMID: 28511300 DOI: 10.3760/cma.j.issn.1001-9391.2017.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the fatigue status of military personnel stationed in plateau and high cold region, and to analyze the mediator effect of trait coping style on job stress and fatigue. Methods: In October 2010, with the method of cluster random sampling survey, 531 military personnel stationed in plateau and high cold region were chosen as subject. The fatigue status were evaluated by the Chinese version multidimensional fatigue inventory (MFI-20) , job stress were evaluated by the Job Stress Survey (JSS) , and trait coping style were evaluated by the Trait Coping Style Questionnaire (TCSQ) . Results: According to the information of different population characteristics, mean rank of physical fatigue about the urban (town) group were higher than that of rural group (Z=-2.200, P<0.05) ; mean rank of reduced motivation about the urban (town) group were higher than that of rural group (Z=-2.781, P<0.05) ; mean rank of general fatigue scores about the urban (town) group were higher than that of rural group (Z=-3.026, P<0.05) ; mean rank of physical fatigue about the up or equal 20-years old age group were higher than that of below 20-years old age group (Z=-4.045, P<0.05) ; mean rank of reduced motivation about the up or equal 20-years old age group were higher than that of below 20-years old age group (Z=-2.182, P<0.05) ; mean rank of mental fatigue about the up or equal 20-years old age group were higher than that of below 20-years old age group (Z=-2.879, P<0.05) ; mean rank of general fatigue scores about the up or equal 20-years old age group were higher than that of below 20-years old age group (Z=-3.647, P<0.05) ; mean rank of reduced motivation were significant statistical difference among the military officers, sergeancy and soldier group (F=18.965, P<0.05) ; mean rank of general fatigue scores were significant statistical difference among the military officers, sergeancy and soldier group (F=14.711, P<0.05) . The score of negative coping style were positively correlated with the score of physical fatigue (r(s)=0.129) , reduced activity (r(s)=0.123) , reduced motivation (r(s)=0.149) and general fatigue (r(s)=0.174) respectively, the score of organizational support lack strength were positively correlated with the score of physical fatigue (r(s)=0.090) , reduced activity (r(s)=0.098) , reduced motivation (r(s)=0.099) and general fatigue (r(s)=0.130) respectively. The mediator effect of negative coping style on the job stress and fatigue was 0.013 (P<0.01) . Conclusion: The fatigue statuses of the urban (town) group and the up or equal 20-years old age group are poor, and the negative coping style plays mediator effect on the job stress and fatigue.
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Affiliation(s)
- J J Zhang
- Department of Occupational and Environmental Health, School of Public Health, Xinjiang Medical University, Urumqi 830011, China
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Kopp DM, Bengtson AM, Tang JH, Chipungu E, Moyo M, Wilkinson J. Use of a postoperative pad test to identify continence status in women after obstetric vesicovaginal fistula repair: a prospective cohort study. BJOG 2017; 124:966-972. [PMID: 28128507 DOI: 10.1111/1471-0528.14505] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/06/2016] [Indexed: 12/01/2022]
Abstract
OBJECTIVE Determine whether a 1-hour pad test at discharge can identify continence status within 120 days of obstetric vesicovaginal fistula (VVF) repair. DESIGN Prospective cohort study. SETTING Fistula Care Centre in Lilongwe, Malawi. POPULATION Women with VVF who underwent repair between January 2012 and December 2014. METHODS Data on demographics, obstetric history, physical exam findings, operative management, postoperative findings, and follow up evaluations were collected on women with VVF repair. MAIN OUTCOME MEASURES Sensitivity, specificity, positive and negative predictive values (PPV and NPV), and a receiver operating curve (ROC) were calculated to assess the utility of using a discharge pad test at three thresholds to identify women likely to be continent at follow up. RESULTS After VVF repair, 346 women had a 1-hour pad test performed at the time of hospital discharge and completed follow up within 120 days of repair. Of these, 79.8% (n = 276) were completely continent, whereas 20.2% (n = 70) had some degree of incontinence. The sensitivity and specificity of a negative 1-hour pad test at predicting continence is 68.1% and 82.9%, respectively. With this prevalence, a negative pad test at a 1.5-g threshold demonstrates a high predictive value (PPV = 94.0%, 95% CI 90.0-96.9) in detecting women with continence after repair. CONCLUSIONS At the 1.5-g threshold, a negative pad test at discharge identifies 94% of women who will remain continent after VVF repair. Adding the pad test to fistula care can identify women who are likely to remain continent and may not need further therapies in settings where resources are limited and follow up after repair is difficult. TWEETABLE ABSTRACT A negative pad test after repair is associated with continued continence at follow up.
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Affiliation(s)
- D M Kopp
- UNC Project-Malawi, Lilongwe, Malawi
- UNC Department of Obstetrics & Gynecology, Chapel Hill, NC, USA
| | - A M Bengtson
- UNC Department of Epidemiology, Chapel Hill, NC, USA
| | - J H Tang
- UNC Project-Malawi, Lilongwe, Malawi
- UNC Department of Obstetrics & Gynecology, Chapel Hill, NC, USA
| | - E Chipungu
- Fistula Care Centre, Lilongwe, Malawi
- Malawi College of Medicine Department of Obstetrics & Gynaecology, Blantyre, Malawi
| | - M Moyo
- Fistula Care Centre, Lilongwe, Malawi
| | - J Wilkinson
- Fistula Care Centre, Lilongwe, Malawi
- Baylor College of Medicine Department of Obstetrics & Gynecology, Houston, TX, USA
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12
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Sih AM, Kopp DM, Tang JH, Rosenberg NE, Chipungu E, Harfouche M, Moyo M, Mwale M, Wilkinson JP. Association between parity and fistula location in women with obstetric fistula: a multivariate regression analysis. BJOG 2016; 123:831-6. [PMID: 26853525 DOI: 10.1111/1471-0528.13901] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2015] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To compare primiparous and multiparous women who develop obstetric fistula (OF) and to assess predictors of fistula location. DESIGN Cross-sectional study. SETTING Fistula Care Centre at Bwaila Hospital, Lilongwe, Malawi. POPULATION Women with OF who presented between September 2011 and July 2014 with a complete obstetric history were eligible for the study. METHODS Women with OF were surveyed for their obstetric history. Women were classified as multiparous if prior vaginal or caesarean delivery was reported. The location of the fistula was determined at operation: OF involving the urethra, bladder neck, and midvagina were classified as low; OF involving the vaginal apex, cervix, uterus, and ureters were classified as high. MAIN OUTCOME MEASURES Demographic information was compared between primiparous and multiparous women using chi-squared and Mann-Whitney U-tests. Multivariate logistic regression models were implemented to assess the relationship between variables of interest and fistula location. RESULTS During the study period, 533 women presented for repair, of which 452 (84.8%) were included in the analysis. The majority (56.6%) were multiparous when the fistula formed. Multiparous women were more likely to have laboured <1 day (62.4 versus 44.5%, P < 0.001), delivered a live-born infant (26.8 versus 17.9%, P = 0.026), and have a high fistula location (37.5 versus 11.2%, P < 0.001). Multiparity [adjusted odds ratio (aOR) = 4.55, 95% confidence interval (CI) 2.27-9.12)] and history of caesarean delivery (aOR = 4.11, 95% CI 2.45-6.89) were associated with development of a high fistula. CONCLUSIONS Multiparity was common in our cohort, and these women were more likely to have a high fistula. Additional research is needed to understand the aetiology of high fistula including potential iatrogenic causes. TWEETABLE ABSTRACT Multiparity and caesarean delivery were associated with a high tract fistula in our Malawian cohort.
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Affiliation(s)
- A M Sih
- UNC Project-Malawi, Lilongwe, Malawi
| | - D M Kopp
- UNC Project-Malawi, Lilongwe, Malawi.,University of North Carolina Department of Obstetrics & Gynecology, Chapel Hill, NC, USA
| | - J H Tang
- UNC Project-Malawi, Lilongwe, Malawi.,University of North Carolina Department of Obstetrics & Gynecology, Chapel Hill, NC, USA.,Department of Obstetrics & Gynaecology, Malawi College of Medicine, Blantyre, Malawi
| | - N E Rosenberg
- UNC Project-Malawi, Lilongwe, Malawi.,UNC Department of Medicine, Chapel Hill, NC, USA
| | - E Chipungu
- Bwaila Hospital, Lilongwe District Health Office, Lilongwe, Malawi.,Fistula Care Centre, Lilongwe, Malawi
| | - M Harfouche
- UNC Project-Malawi, Lilongwe, Malawi.,Department of Surgery, Temple University, Philadelphia, PA, USA
| | - M Moyo
- Fistula Care Centre, Lilongwe, Malawi
| | - M Mwale
- Bwaila Hospital, Lilongwe District Health Office, Lilongwe, Malawi
| | - J P Wilkinson
- Fistula Care Centre, Lilongwe, Malawi.,Department of Obstetrics & Gynecology, Baylor College of Medicine, Houston, TX, USA
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13
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Tang JH, Lyu Y, Cheng LM, Li YC, Gou DM. Risk Factors for the Postoperative Transfusion of Allogeneic Blood in Orthopedics Patients With Intraoperative Blood Salvage: A Retrospective Cohort Study. Medicine (Baltimore) 2016; 95:e2866. [PMID: 26937919 PMCID: PMC4779016 DOI: 10.1097/md.0000000000002866] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 01/23/2016] [Accepted: 01/27/2016] [Indexed: 11/25/2022] Open
Abstract
The purpose of this study is to explore the risk factors affecting the postoperative transfusion of allogeneic blood in patients undergoing orthopedics surgery with intraoperative blood salvage (IBS). A retrospective study of 279 patients undergoing orthopedic surgeries with IBS from May 2013 to May 2015 was enrolled. The binary logistic regression was used to find out the risk factors associated with postoperative transfusion of allogeneic blood in orthopedics patients with IBS, and then receiver operating characteristic (ROC) curve was drawn to determine the optimal threshold of the regression model.Single factor analysis showed that age, American Society of Anesthesiologists (ASA) grade, preoperative hemoglobin, operation time, received autologous blood, the laying time of autologous blood, bleeding volume, and postoperative drainage volume had significant effects on postoperative allogeneic blood transfusion.In binary logistic regression analysis, the independent factors predicting orthopedic patients with IBS need to transfuse allogeneic blood after surgeries were age (odds ratio [OR] = 0.415, P = 0.006), ASA grade (OR = 2.393, P = 0.035), preoperative hemoglobin (OR = 0.532, P = 0.022), and postoperative drainage volume (OR = 4.279, P = 0.000). The area under ROC curve was 0.79 and the predicted accuracy rate of the model was 81.58%.After operation, the orthopedic patients with IBS still have a high allogeneic blood transfusion rate, and IBS is not a perfect blood protection method. The logistic regression model of our study provides a reliable prediction for postoperative transfusion of allogeneic blood in orthopedic patients with IBS, which have a certain reference value.
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Affiliation(s)
- Jia-Hua Tang
- From the Department of Anesthesiology, Zunyi Medical University, Zunyi, Guizhou, China (J-HT, D-MG); Department of Anesthesiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China (YL, Y-CL); and Department of Anesthesiology, Kunming Children's Hospital, Kunming, China (L-MC, YL)
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14
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Abstract
The primary goal of this study was to compare the pollutant removal efficiency of the reactivated activated-ferric-sludge (AFS) with that of the activated sludge (AS). Most tested organic pollutants were preferably removed by reactivated AFS. The optimal reactivated conditions for AFS were a reactivation time of 3 h, pH of 5-9, AFS dose of 5 g/L and dissolved oxygen of 2-6 mg/L. The results revealed a positive correlation between microbial activity and the removal efficiency of organic pollutants, with a higher microbial activity being associated with a better removal efficiency of organic pollutants. Additionally, variations in extracellular polymeric substances were found to be crucial to the microbial activity and adsorption capacity of reactivated AFS. After reactivation, reactivated AFS was superior to AS for the removal ofmost pollutants. Finally, the mechanism of AFS reactivation was investigated. Overall, the results of the present study demonstrate that reactivated AFS has the potential for widespread application in the removal of organic pollutants during the wastewater treatment process.
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15
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Chen XF, Cai S, Chen QG, Ni ZH, Tang JH, Xu DW, Wang XB. Multiple variants of TERT and CLPTM1L constitute risk factors for lung adenocarcinoma. Genet Mol Res 2012; 11:370-8. [PMID: 22370939 DOI: 10.4238/2012.february.16.2] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Recent studies have shown that 5p15.33 is one of the chromosomal regions that is most consistently altered in lung cancer; common variants that are located in this region have been genotyped in various populations. However, the genetic contribution of these variants to carcinogenesis is relatively unknown. A clinic-based case-control study in Shanghai was undertaken on 196 patients with lung cancer and 229 healthy individuals. TERT rs2736100 and CLPTM1L rs401681 and rs402710 were genotyped using the ABI TaqMan Allelic Discrimination assay. For rs2736100, the G variant and the GG genotype were more frequent, whereas the TT genotype was less frequent in patients with lung adenocarcinoma than in controls. The CT genotype at rs401681 was more common and the TT genotype was rare in patients, and the differences were significant between lung adenocarcinoma patients and controls. This was also true for rs402710. Moreover, the frequency of the GGCTCT haplotype was higher and the TTTTTT frequency was lower in patients, especially those with lung adenocarcinoma. Aberrant linkage disequilibrium among the three SNPs was found in patients with lung adenocarcinoma. We conclude that multiple variants at 5p15.33 contribute to susceptibility to lung adenocarcinoma.
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Affiliation(s)
- X F Chen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
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16
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Huang CH, Tsou YK, Lin CH, Tang JH. Endoscopic retrograde cholangiopancreatography (ERCP) for intradiverticular papilla: endoclip-assisted biliary cannulation. Endoscopy 2010; 42 Suppl 2:E223-4. [PMID: 20931451 DOI: 10.1055/s-0029-1215008] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- C H Huang
- Department of Hepato-Gastroenterology, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taipei, Taiwan
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17
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Wang CL, Cheng FF, Sun ZH, Tang JH, Wu LC, Ku LX, Chen YH. Genetic analysis of photoperiod sensitivity in a tropical by temperate maize recombinant inbred population using molecular markers. Theor Appl Genet 2008; 117:1129-1139. [PMID: 18677461 DOI: 10.1007/s00122-008-0851-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2007] [Accepted: 07/16/2008] [Indexed: 05/26/2023]
Abstract
Photoperiod sensitivity is an important consideration in maize cultivation. Flowering time is affected by photoperiod and sensitivity to it limits the potential for successful exchange of germplasm across different latitudes. For resolving the genetic basis of photoperiod sensitivity in maize, a set of 207 recombinant inbred lines derived from a temperate and tropical inbred line cross was evaluated for 2 years in a long-day and short-day environment. Genetic linkage maps were constructed using 237 SSR markers with a total length 1,974.3 cM, and an average space between two makers of 8.33 cM. Twenty-nine QTL were detected for the five measured photoperiod sensitivity traits using composite interval mapping and multiple interval mapping. QTL for flowering time, plant height and leaf number, under long-day conditions, were found clustered on chromosome 10, while QTL for short-day conditions resided on chromosome 3. The QTL in the bin 10.04 region of chromosome 10 were detected associated with photoperiod sensitivity and related traits during long days. These results indicated that this region might contain an important photoperiod sensitivity element.
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Affiliation(s)
- C L Wang
- College of Agronomy, Henan Agricultural University, 95 Wenhua Road, Zhengzhou 450002, China
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18
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Hu YM, Tang JH, Yang H, Xie HL, Lu XM, Niu JH, Chen WC. Identification and mapping of Rf-I an inhibitor of the Rf5 restorer gene for Cms-C in maize (Zea mays L.). Theor Appl Genet 2006; 113:357-60. [PMID: 16791701 DOI: 10.1007/s00122-006-0302-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2006] [Accepted: 04/21/2006] [Indexed: 05/10/2023]
Abstract
The restoration of the C-type cytoplasmic male sterility (Cms) has been a common agriculture practice in the production of hybrid seed for many years. In this study, a series of crosses between select sterile and restorer lines, as well as a backcross population of (Cms-C77 x 6233) x 6233, were used to investigate the restoration of C-type Cms. Our results demonstrated that there was an inhibitor of the Rf5 restorer gene. This inhibitor gene, Rf-I, maps to chromosome 7 and is tightly linked with SSR markers, umc2326 and umc2327, at a genetic distance 4.7 and 3.4 cM, respectively. After analyzing our data combined with previous studies, we propose that the restoration of C-type Cms has two dominant genes, Rf4 and Rf5. Rf4 has the ability to restore all genotypes of Cms-C lines; however, there exists an inhibitor for the other restorer gene, Rf5; thus, it can restore only those genotypes of Cms-C lines lacking the Rf-I inhibitor.
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Affiliation(s)
- Y M Hu
- College of Agronomy, Henan Agricultural University, 95 Wenhua Road, Zhengzhou 450002, China
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Tang JH, Fu ZY, Hu YM, Li JS, Sun LL, Ji HQ. Genetic analyses and mapping of a new thermo-sensitive genic male sterile gene in maize. Theor Appl Genet 2006; 113:11-5. [PMID: 16783588 DOI: 10.1007/s00122-006-0262-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2005] [Accepted: 03/07/2006] [Indexed: 05/08/2023]
Abstract
The present study describes a novel thermo-sensitive genic male sterile (TGMS) line, Qiong68ms. To analyse the mode of fertility inheritance and tag the TGMS gene, a set of F2, BC1 and F(2:3) populations derived from a cross between Qiong68ms and K12 were evaluated for a period of 2 years. Classical genetic analyses and QTL mapping using the mean restoration percentage of the F(2:3) populations revealed that the fertility of Qiong68ms was likely to be governed by a single recessive gene, which was named tms3; the tms3 gene was mapped to a location between SSR markers umc2129 and umc1041, at a distance of 3.7 cM form umc2129 and 1.5 cM form umc1041. The molecular markers tightly linked with tms3 gene will aid in the transfer of the TGMS gene to various background inbred lines using the MAS method.
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Affiliation(s)
- J H Tang
- College of Agronomy, Henan Agricultural University, 95 Wenhua Road, 450002, Zhengzhou, China.
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Tseng JH, Pan KT, Hung CF, Hsieh CH, Liu NJ, Tang JH. Choledochal cyst with malignancy: magnetic resonance imaging and magnetic resonance cholangiopancreatographic features in two cases. ACTA ACUST UNITED AC 2004; 28:838-41. [PMID: 14753602 DOI: 10.1007/s00261-003-0050-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- J H Tseng
- First Department of Diagnostic Radiology, Chang-Gung Memorial Hospital, 5 Fu-Hsing Street, Kwei-Shan, Taoyuan, Taiwan
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Abstract
This study examined the exposure level of aromatic volatile organic compounds (VOCs) in public transportation modes in Guangzhou, China. A total of 40 VOC samples were conducted in four popular public commuting modes (subway, taxis, non-air-conditioned buses and air-conditioned buses) while traversing in urban areas of Guangzhou. Traffic-related VOCs (benzene, toluene, ethylbenzene, m/p-xylene and o-xylene) were collected on adsorbent tubes and analyzed by thermal desorption (TD) and gas chromatography/mass-selective detector (GC/MSD) technique. The results indicate that commuter exposure to VOCs is greatly influenced by the choice of public transport. For the benzene measured, the mean exposure level in taxis (33.6 microg/m(3)) was the highest and was followed by air-conditioned buses (13.5 microg/m(3)) and non-air-conditioned buses (11.3 microg/m(3)). The exposure level in the subway (7.6 microg/m(3)) is clearly lower than that in roadway transports. The inter-microenvironment variations of other target compounds were similar to that of benzene. The target VOCs were well correlated to each other in all the measured transports. The concentration profile of the measured transport was also investigated and was found to be similar to each other. Based on the experiment results, the average B/T/E/X found in this study was about (1.0/4.3/0.7/1.4). In this study, the VOC levels measured in evening peak hours were only slightly higher than those in afternoon non-peak hours. This is due to the insignificant change of traffic volume on the measured routes between these two set times. The out-dated vehicle emission controls and slow-moving traffic conditions may be the major reasons leading elevated in-vehicle exposure level in some public commuting journeys.
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Affiliation(s)
- L Y Chan
- Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China.
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22
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Tang JH, Gu SL, Zhang XJ. [Preliminary study of the gene structure of human glycosylphosphatidylinositol specific phospholipase D]. Hunan Yi Ke Da Xue Xue Bao 2001; 26:95-7. [PMID: 12536633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
To explore the cDNA and its genomic gene structure of human glycosylphosphatidylinositol specific phospholipase D (GPI-PLD), the stromal cells from human bone marrow were cultured, and the GPI-PLD cDNA was successfully cloned from stromal cells (GenBank Accession AY007546). After analyzing this cDNA, we found that it codes the signal peptide as well as the mature peptide (817 AA) of GPI-PLD. Compared with the cDNA cloned from human pancreas and liver, the homology of the cDNA is 99% and 95% respectively. After searching GenBank, we aligned the genomic gene of the GPI-PLD by DNATools software, and found that the GPI-PLD genomic gene was located in the human 6p22.1-22.3 and contained 25 exons, TATA box, CAAT box, enhancer and the sequence binding homo domain of Pit-1/GHF-1.
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Affiliation(s)
- J H Tang
- Department of Biochemistry, Xiangya Medical College, Central South University, Changsha 410078, China
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Affiliation(s)
- M Hinrichs
- University of Iowa Hospital and Clinics, Iowa City, Iowa, USA
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Tien HF, Tang JH, Tsay W, Liu MC, Lee FY, Wang CH, Chen YC, Shen MC. Methylation of the p15(INK4B) gene in myelodysplastic syndrome: it can be detected early at diagnosis or during disease progression and is highly associated with leukaemic transformation. Br J Haematol 2001; 112:148-54. [PMID: 11167795 DOI: 10.1046/j.1365-2141.2001.02496.x] [Citation(s) in RCA: 127] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
To investigate the time sequence of occurrence of p15(INK4B) gene methylation in myelodysplastic syndrome (MDS) and its correlation with leukaemic transformation and survival of patients, the methylation status of the p15(INK4B) promoter region was analysed in 50 patients and was serially studied in 22 of them. Of the 50 patients, 17 (34%) showed p15(INK4B) gene methylation, first demonstrated at diagnosis or during follow-up. When FAB subtypes at the time of study were used in the analysis, the incidence of (p15INK4B) methylation in each risk group of MDS remained stable throughout the course: 0% for low-risk MDS [refractory anaemia (RA) and RA with ring sideroblasts] and from 23% at diagnosis to 30% for high-risk MDS [RA with excess of blasts (RAEB), RAEB in transformation and chronic myelomonocytic leukaemia] respectively. The incidence of p15(INK4B) methylation rose to 60% at initial study and, finally, to 75% in cases of acute myeloid leukaemia (AML) evolved from MDS. Most patients (69%) with p15(INK4B) methylation showed disease progression to AML; it could be detected before, at the time or after the diagnosis of leukaemic transformation. p15(INK4B) methylation in MDS patients implicated a shorter survival time in univariate analyses, but its prognostic significance disappeared in multivariate analyses. In conclusion, p15(INK4B) methylation can be detected early at the diagnosis of MDS or acquired during disease progression. It may play an important role in the pathogenesis of some high-risk MDS and is related to leukaemic transformation of MDS.
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Affiliation(s)
- H F Tien
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan.
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Yeh CT, Lo SY, Dai DI, Tang JH, Chu CM, Liaw YF. Amino acid substitutions in codons 9-11 of hepatitis C virus core protein lead to the synthesis of a short core protein product. J Gastroenterol Hepatol 2000; 15:182-91. [PMID: 10735543 DOI: 10.1046/j.1440-1746.2000.02066.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
BACKGROUND Previous in vitro experiments have indicated that if the ninth codon of the hepatitis C virus (HCV) core gene is mutated from arginine to lysine, a short 16-kDa (P16) instead of a 21-kDa (P21) core protein will be produced. In this study, we aimed to investigate whether similar mutations existed in patients with chronic HCV infection and whether such mutations led to the expression of P16. METHODS The core gene was isolated from patients' sera by reverse transcription-polymerase chain reaction and sequenced. RESULTS Three of 10 patients with hepatocellular carcinoma were found to have mutant viruses with missense mutations at codons 9-11: arginine-to-glycine mutation at codon 9 (case 1); lysine-to-glutamine mutation at codon 10 (case 5); and lysine-to-asparagine/threonine-to-alanine double mutations at codons 10 and 11 (case 8). Site-directed mutagenesis and in vitro translation experiments revealed that P16 was expressed by all three mutants. Using gel-purified P21 and P16 proteins obtained from transformed Escherichia coli, the serum titres of anti-P21 and anti-P16 were assayed. Unequal titres of anti-P16 and anti-P21 were found in only cases 1, 5 and 8. A rabbit antibody directed against P16 but not P21 was thus generated for immunohistochemical analysis. P16 was detected in the nuclei of hepatocytes in the peri-hepatoma tissue of a single case (case 1). CONCLUSIONS These data indicate that missense mutations at codons 9-11 can occur during chronic HCV infection, which results in the expression of P16 core protein.
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Affiliation(s)
- C T Yeh
- Liver Research Unit, Chang Gung Memorial Hospital and Chang Gung University School of Medicine, Taipei, Taiwan.
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Lee CM, Lu SN, Changchien CS, Yeh CT, Hsu TT, Tang JH, Wang JH, Lin DY, Chen CL, Chen WJ. Age, gender, and local geographic variations of viral etiology of hepatocellular carcinoma in a hyperendemic area for hepatitis B virus infection. Cancer 1999. [PMID: 10506697 DOI: 10.1002/(sici)1097-0142(19991001)86:7<1143::aid-cncr7>3.0.co;2-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND There are etiologic variations of hepatocellular carcinoma (HCC) in different geographic areas. Taiwan is a hyperendemic area for hepatitis B virus (HBV) infection. Hepatitis C virus (HCV) infection also plays an important role in HCC development in Taiwan. Identification of local HCV-endemic areas is important to keep HCV from spreading. This study investigated the etiologic variations of HCC in different geographic areas of Taiwan. METHODS The authors evaluated the hepatitis B surface antigen (HBsAg) and antibodies to HCV (anti-HCV) status of 284 patients (232 male, 52 female) with HCC. They also evaluated the gender ratio and mean age of these patients. RESULTS The mean age of HBsAg positive patients was significantly lower than the mean age of HBsAg negative patients (52.6 +/- 12.3 vs. 61.3 +/- 11.2 years) (P < 0.05). The male-to-female ratio was 4.5:1 for all HCC patients, 7:1 for HBsAg positive HCC patients, and 2.8:1 for anti-HCV positive HCC patients. In Chaiyi County in southern Taiwan, the prevalence of anti-HCV in male HCC patients was 52%, significantly greater than that of Taiwan as a whole (27.6%) (P = 0.07). However, the prevalence of anti-HCV in male HCC patients in Taipei County in northern Taiwan was 8.7%, significantly less than that of Taiwan as a whole (P = 0.043). Of a total of 65 Chiayi-based HCC patients, 55.4% were anti-HCV positive and 46.2% were HBsAg positive. In the Chiayi area, results of multiple logistic regression showed that the HCC patients who were age 60 years or older or who were living in the city area both had highly HCV-related disease. CONCLUSIONS The mean age of patients with HBV-related HCC was significantly lower than that of patients with non-HBV-related HCC. The male-to-female ratio for patients with HBV-related HCC was significantly higher than that of patients with HCV-related HCC. The authors identified an area of Taiwan in which HCV-related HCC was prevalent.
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Affiliation(s)
- C M Lee
- Liver Unit, Kaohsiung Medical Center, Chang Gung Memorial Hospital, Kaohsiung, Taiwan
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Lee CM, Lu SN, Changchien CS, Yeh CT, Hsu TT, Tang JH, Wang JH, Lin DY, Chen CL, Chen WJ. Age, gender, and local geographic variations of viral etiology of hepatocellular carcinoma in a hyperendemic area for hepatitis B virus infection. Cancer 1999; 86:1143-50. [PMID: 10506697 DOI: 10.1002/(sici)1097-0142(19991001)86:7<1143::aid-cncr7>3.0.co;2-z] [Citation(s) in RCA: 131] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND There are etiologic variations of hepatocellular carcinoma (HCC) in different geographic areas. Taiwan is a hyperendemic area for hepatitis B virus (HBV) infection. Hepatitis C virus (HCV) infection also plays an important role in HCC development in Taiwan. Identification of local HCV-endemic areas is important to keep HCV from spreading. This study investigated the etiologic variations of HCC in different geographic areas of Taiwan. METHODS The authors evaluated the hepatitis B surface antigen (HBsAg) and antibodies to HCV (anti-HCV) status of 284 patients (232 male, 52 female) with HCC. They also evaluated the gender ratio and mean age of these patients. RESULTS The mean age of HBsAg positive patients was significantly lower than the mean age of HBsAg negative patients (52.6 +/- 12.3 vs. 61.3 +/- 11.2 years) (P < 0.05). The male-to-female ratio was 4.5:1 for all HCC patients, 7:1 for HBsAg positive HCC patients, and 2.8:1 for anti-HCV positive HCC patients. In Chaiyi County in southern Taiwan, the prevalence of anti-HCV in male HCC patients was 52%, significantly greater than that of Taiwan as a whole (27.6%) (P = 0.07). However, the prevalence of anti-HCV in male HCC patients in Taipei County in northern Taiwan was 8.7%, significantly less than that of Taiwan as a whole (P = 0.043). Of a total of 65 Chiayi-based HCC patients, 55.4% were anti-HCV positive and 46.2% were HBsAg positive. In the Chiayi area, results of multiple logistic regression showed that the HCC patients who were age 60 years or older or who were living in the city area both had highly HCV-related disease. CONCLUSIONS The mean age of patients with HBV-related HCC was significantly lower than that of patients with non-HBV-related HCC. The male-to-female ratio for patients with HBV-related HCC was significantly higher than that of patients with HCV-related HCC. The authors identified an area of Taiwan in which HCV-related HCC was prevalent.
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Affiliation(s)
- C M Lee
- Liver Unit, Kaohsiung Medical Center, Chang Gung Memorial Hospital, Kaohsiung, Taiwan
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Tang JH, Yeh CT, Chen TC, Hsieh SY, Chu CM, Liaw YF. Emergence of an S gene mutant during thymosin alpha1 therapy in a patient with chronic hepatitis B. J Infect Dis 1998; 178:866-9. [PMID: 9728561 DOI: 10.1086/515345] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
The presence of a hepatitis B virus S gene mutant was investigated in a patient being treated with thymosin alpha1. He was seropositive for hepatitis B e antigen throughout therapy but was intermittently seronegative for hepatitis B surface antigen (HBsAg) by an RIA. Sequence analysis revealed an S gene mutant in HBsAg-seronegative serum with two consecutive amino acid substitutions: threonine115-to-isoleucine and threonine116-to-asparagine, whereas no amino acid substitution or deletion was found in the pre-S region. A site-directed mutagenesis experiment confirmed that these mutations were responsible for the failure to detect HBsAg. In summary, an S gene mutant was identified in an HBsAg-seronegative patient. The mutations were located outside the putative "a" determinant. The emergence of an S gene mutant during thymosin alpha1 treatment suggests that enhanced host immunity against HBsAg may play a role in its antiviral activity.
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Affiliation(s)
- J H Tang
- Department of Pathology, Chang Gung Memorial Hospital and University, Taipei, Taiwan
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29
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Rearwin DT, Tang JH, Hughes JW. Causes of blindness among Navajo Indians: an update. J Am Optom Assoc 1997; 68:511-7. [PMID: 9279051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND The causes of blindness among Navajo Indians, an ethnically distinct community within the United States, were last studied in 1982. This article presents an updated report on the causes of blindness among the Navajo. METHODS Staff optometrists at each of the hospitals and clinics on the Navajo Reservation collected information for each affected eye: date of onset, cause, blinding process, and best visual acuity. In terms of the total number of eyes affected, it was found that the most frequently encountered etiology was trauma, followed by congenital causes, diabetes mellitus, primary open-angle glaucoma, age-related macular degeneration, and trachoma. CONCLUSIONS Considering raw numbers as well as preventability, it is suggested that trauma, diabetes mellitus, and primary open-angle glaucoma be targeted for a focused intervention of patient-as well as public-education aimed at reducing blindness from these causes.
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Affiliation(s)
- D T Rearwin
- Southern California College of Optometry, Fullerton, USA
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30
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Tang JH, Lu YQ. [Metabolism of phospholipids on erythrocyte membranes]. Sheng Li Ke Xue Jin Zhan 1990; 21:31-5. [PMID: 2193389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Sun ZJ, Huang XH, Tang JH. [Study on the mechanism of glucose intolerance and insulin resistance in epidemic hemorrhagic fever]. Zhonghua Nei Ke Za Zhi 1989; 28:103-5, 127. [PMID: 2567660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Intravenous glucose tolerance test (ivGTT) and insulin releasing test (IRT) were performed in 32 cases with epidemic hemorrhagic fever (EHF). 23 patients had impaired glucose tolerance, 17 patients showed hyperinsulinemia in fasting state, 12 patients had flat insulin response curves and most patients had higher plasma levels of growth hormone (GH), cortisol (F), norepinephrine (NE) and epinephrine (E) in critical stage than in convalescent stage. These data suggest that in EHF there are disturbed glucose metabolism and insulin resistance due to decreased pancreatic B cell reservoir and increased insulin antagonists such as GH, F, NE, E etc. It is suggested that use of insulin in addition to intravenous glucose infusion may be beneficial to glucose utilization in EHF.
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Tang JH. [Clinical observations on the treatment of epidemic hemorrhagic fever with transfer factor (author's transl)]. Zhonghua Nei Ke Za Zhi 1980; 19:36-8. [PMID: 6110521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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