Chunfu Yang

Summary

Affiliation: Centers for Disease Control and Prevention
Country: USA

Publications

  1. ncbi request reprint Genetic diversification and recombination of HIV type 1 group M in Kinshasa, Democratic Republic of Congo
    Chunfu Yang
    HIV Immunology and Diagnostics Branch, Division of HIV AIDS Prevention, National Center for HIV, AIDS, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    AIDS Res Hum Retroviruses 21:661-6. 2005
  2. ncbi request reprint theta-Defensin pseudogenes in HIV-1-exposed, persistently seronegative female sex-workers from Thailand
    Chunfu Yang
    Division of AIDS, STD, and TB Laboratory Research, National Center for HIV, STD, and TB Prevention, Centers for Disease Control and Prevention CDC, Mail Stop D 12, 1600 Clifton Road, Atlanta, GA 30333, USA
    Infect Genet Evol 5:11-5. 2005
  3. ncbi request reprint Characterization of human immunodeficiency virus type-1 from HIV-1 seropositive cases with undetectable viremia
    Chunfu Yang
    National Center for HIV, STD and TB Prevention, Centers for Disease Control and Prevention, Mail Stop D 12, 1600 Clifton Road, Atlanta, GA 30333, USA
    J Clin Virol 30:224-8. 2004
  4. ncbi request reprint Effect of CCR2 chemokine receptor polymorphism on HIV type 1 mother-to-child transmission and child survival in Western Kenya
    Kimberly C Brouwer
    Division of Parasitic Diseases, National Centers for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    AIDS Res Hum Retroviruses 21:358-62. 2005
  5. ncbi request reprint Genetic diversity and high proportion of intersubtype recombinants among HIV type 1-infected pregnant women in Kisumu, western Kenya
    Chunfu Yang
    Division of AIDS, STD, and TB Laboratory Research, National Center for HIV, STD and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    AIDS Res Hum Retroviruses 20:565-74. 2004
  6. ncbi request reprint Polymorphisms in the CCR5 coding and noncoding regions among HIV type 1-exposed, persistently seronegative female sex-workers from Thailand
    Chunfu Yang
    HIV Immunology and Diagnostics Branch, Division of AIDS, STD, and TB Laboratory Research, National Center for Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Road, Atlanta, GA 30333, USA
    AIDS Res Hum Retroviruses 19:661-5. 2003
  7. pmc Simultaneous Detection of Major Drug Resistance Mutations of HIV-1 Subtype B Viruses from Dried Blood Spot Specimens by Multiplex Allele-Specific Assay
    Guoqing Zhang
    International Laboratory Branch, Division of Global HIV AIDS, Center for Global Health, CDC, Atlanta, Georgia, USA
    J Clin Microbiol 54:220-2. 2016
  8. doi request reprint Dried blood spot specimens are a suitable alternative sample type for HIV-1 viral load measurement and drug resistance genotyping in patients receiving first-line antiretroviral therapy
    Erin K Rottinghaus
    International Laboratory Branch, Division of Global HIV AIDS, Center for Global Health, Centers for Disease Control and Prevention, Mail Stop A 11, 1600 Clifton Rd, NE, Atlanta, GA 30333, USA
    Clin Infect Dis 54:1187-95. 2012
  9. ncbi request reprint Polymorphism of Fc receptor IIa for IgG in infants is associated with susceptibility to perinatal HIV-1 infection
    Kimberly C Brouwer
    Division of Parasitic Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    AIDS 18:1187-94. 2004
  10. doi request reprint Persistence of vaccine-induced measles antibody beyond age 12 months: a comparison of response to one and two doses of Edmonston-Zagreb measles vaccine among HIV-infected and uninfected children in Malawi
    Ashley Fowlkes
    Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    J Infect Dis 204:S149-57. 2011

Collaborators

Detail Information

Publications38

  1. ncbi request reprint Genetic diversification and recombination of HIV type 1 group M in Kinshasa, Democratic Republic of Congo
    Chunfu Yang
    HIV Immunology and Diagnostics Branch, Division of HIV AIDS Prevention, National Center for HIV, AIDS, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    AIDS Res Hum Retroviruses 21:661-6. 2005
    ..018 and p=0.0016, respectively). Given the complexity of HIV-1 viruses circulating in DRC, efforts should focus on the development of vaccines that result in cross-clade immunity...
  2. ncbi request reprint theta-Defensin pseudogenes in HIV-1-exposed, persistently seronegative female sex-workers from Thailand
    Chunfu Yang
    Division of AIDS, STD, and TB Laboratory Research, National Center for HIV, STD, and TB Prevention, Centers for Disease Control and Prevention CDC, Mail Stop D 12, 1600 Clifton Road, Atlanta, GA 30333, USA
    Infect Genet Evol 5:11-5. 2005
    ....
  3. ncbi request reprint Characterization of human immunodeficiency virus type-1 from HIV-1 seropositive cases with undetectable viremia
    Chunfu Yang
    National Center for HIV, STD and TB Prevention, Centers for Disease Control and Prevention, Mail Stop D 12, 1600 Clifton Road, Atlanta, GA 30333, USA
    J Clin Virol 30:224-8. 2004
    ..Human immunodeficiency virus type 1 (HIV-1) viral load has become a standard of care among HIV-1-infected patients; however, a small number of patients have undetectable viral load even though they have never been treated...
  4. ncbi request reprint Effect of CCR2 chemokine receptor polymorphism on HIV type 1 mother-to-child transmission and child survival in Western Kenya
    Kimberly C Brouwer
    Division of Parasitic Diseases, National Centers for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    AIDS Res Hum Retroviruses 21:358-62. 2005
    ..Our results do not indicate an effect of CCR2-64I on perinatal HIV transmission and survival in Kenyan children...
  5. ncbi request reprint Genetic diversity and high proportion of intersubtype recombinants among HIV type 1-infected pregnant women in Kisumu, western Kenya
    Chunfu Yang
    Division of AIDS, STD, and TB Laboratory Research, National Center for HIV, STD and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    AIDS Res Hum Retroviruses 20:565-74. 2004
    ..These data provide further evidence of high genetic diversity, with subtype A as the predominant subtype and a high proportion of intersubtype recombinants in Kenya...
  6. ncbi request reprint Polymorphisms in the CCR5 coding and noncoding regions among HIV type 1-exposed, persistently seronegative female sex-workers from Thailand
    Chunfu Yang
    HIV Immunology and Diagnostics Branch, Division of AIDS, STD, and TB Laboratory Research, National Center for Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Road, Atlanta, GA 30333, USA
    AIDS Res Hum Retroviruses 19:661-5. 2003
    ..These data suggest that homozygosity of the HHF*2 haplogroup may be one of the factors that mediate resistance to HIV-1 infection in this cohort of HEPS women...
  7. pmc Simultaneous Detection of Major Drug Resistance Mutations of HIV-1 Subtype B Viruses from Dried Blood Spot Specimens by Multiplex Allele-Specific Assay
    Guoqing Zhang
    International Laboratory Branch, Division of Global HIV AIDS, Center for Global Health, CDC, Atlanta, Georgia, USA
    J Clin Microbiol 54:220-2. 2016
    ..The new assay accurately detected DRMs, including low-abundance mutations that were often missed by Sanger sequencing. ..
  8. doi request reprint Dried blood spot specimens are a suitable alternative sample type for HIV-1 viral load measurement and drug resistance genotyping in patients receiving first-line antiretroviral therapy
    Erin K Rottinghaus
    International Laboratory Branch, Division of Global HIV AIDS, Center for Global Health, Centers for Disease Control and Prevention, Mail Stop A 11, 1600 Clifton Rd, NE, Atlanta, GA 30333, USA
    Clin Infect Dis 54:1187-95. 2012
    ..The current study compared dried fluid spot specimens with the reference standard plasma specimens as a practical tool for viral load (VL) and HIVDR genotyping in resource-limited settings...
  9. ncbi request reprint Polymorphism of Fc receptor IIa for IgG in infants is associated with susceptibility to perinatal HIV-1 infection
    Kimberly C Brouwer
    Division of Parasitic Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    AIDS 18:1187-94. 2004
    ..To evaluate the effect of polymorphism of the Fc gamma receptor IIa, which is associated with differential human IgG subclass binding, on perinatal HIV-1 transmission...
  10. doi request reprint Persistence of vaccine-induced measles antibody beyond age 12 months: a comparison of response to one and two doses of Edmonston-Zagreb measles vaccine among HIV-infected and uninfected children in Malawi
    Ashley Fowlkes
    Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    J Infect Dis 204:S149-57. 2011
    ..Among HIV-uninfected children, measles antibody prevalence was lower among 1- than 2-dose MV recipients. Here, we report results through age 24 months...
  11. ncbi request reprint Temporal relationship between V1V2 variation, macrophage replication, and coreceptor adaptation during HIV-1 disease progression
    Silvina Masciotra
    HIV Immunology and Diagnostics Branch, Division of AIDS, STD, TB Laboratory Research, National Center for Infectious Diseases, Centers for Diseases Control and Prevention, Atlanta, Georgia 30333, USA
    AIDS 16:1887-98. 2002
    ..Such restriction could potentially limit HIV replication in long-term non-progressors (LTNP), thus accounting for low viral load and delayed progression to AIDS...
  12. ncbi request reprint Association of CCR5 human haplogroup E with rapid HIV type 1 disease progression
    Ming Li
    Division of AIDS, STD, and TB Laboratory Research, National Center for HIV, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    AIDS Res Hum Retroviruses 21:111-5. 2005
    ..44, p = 0.045; adjusted RH = 3.12, p = 0.037, respectively). These data provide further evidence that CCR5 human haplogroups influence HIV-1 disease progression in HIV-infected persons...
  13. pmc Comparison of Ahlstrom grade 226, Munktell TFN, and Whatman 903 filter papers for dried blood spot specimen collection and subsequent HIV-1 load and drug resistance genotyping analysis
    Erin Rottinghaus
    International Laboratory Branch, Division of Global HIV AIDS, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    J Clin Microbiol 51:55-60. 2013
    ....
  14. ncbi request reprint CCR5 promoter human haplogroups associated with HIV-1 disease progression in Thai injection drug users
    Lily Nguyen
    Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    AIDS 18:1327-33. 2004
    ....
  15. ncbi request reprint Impact of genetic diversity of HIV-1 on diagnosis, antiretroviral therapy & vaccine development
    Renu B Lal
    Division of HIV AIDS Prevention, National Center for HIV, STD and TB Prevention, Centers for Disease Control and Prevention, 1600 Clifton Road, Atlanta, GA 30333, USA
    Indian J Med Res 121:287-314. 2005
    ..In this review, we focus on extensive diversity of HIV-1, emergence of recombinant forms and their impact on diagnosis, antiretroviral therapy, disease progression, transmission, and vaccine development...
  16. pmc Detection of simian immunodeficiency virus in diverse species and of human immunodeficiency virus Type 2 by using consensus primers within the pol region
    Silvina Masciotra
    HIV Immunology and Diagnostics Branch, Division of AIDS, Sexually Transmitted Diseases, and Tuberculosis Laboratory Research, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    J Clin Microbiol 40:3167-71. 2002
    ..Thus, the primers described here provide a method to detect primate lentiviruses from diverse species of nonhuman primates, as well as from persons infected with HIV-1 and HIV-2...
  17. doi request reprint Coinfection with HIV-1 and simian foamy virus in West Central Africans
    William M Switzer
    Division of HIV AIDS Prevention, National Center for HIV AIDS, Viral Hepatitis, Sexually Transmitted Diseases, and Tuberculosis Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia
    J Infect Dis 197:1389-93. 2008
    ..The findings of the present study suggest opportunities for bloodborne and sexual transmission of SFV and highlight the importance of defining the clinical consequences of dual infections...
  18. pmc Evaluation of dried blood spots collected on filter papers from three manufacturers stored at ambient temperature for application in HIV-1 drug resistance monitoring
    Erin K Rottinghaus
    International Laboratory Branch, Division of Global HIV AIDS, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
    PLoS ONE 9:e109060. 2014
    ..0% for A-226 and 88.0% for M-TFN when compared to W-903. Our data indicate that differences among filter papers may exist at this storage condition and warrant further studies evaluating filter paper type for HIVDR monitoring...
  19. pmc Molecular characterization of ambiguous mutations in HIV-1 polymerase gene: implications for monitoring HIV infection status and drug resistance
    Du Ping Zheng
    Division of Global HIV AIDS, Center for Global Health, Centers for Disease Control and Prevention CDC, Atlanta, Georgia, United States of America
    PLoS ONE 8:e77649. 2013
    ..Our findings suggest that characterization of ambiguous mutations in HIV may serve as an additional tool to differentiate recent from established infections and to monitor HIVDR emergence. ..
  20. ncbi request reprint Genetic diversity of HIV-1 in western Kenya: subtype-specific differences in mother-to-child transmission
    Chunfu Yang
    Division of AIDS, STD, and TB Laboratory Research, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
    AIDS 17:1667-74. 2003
    ..Little is known about the impact of HIV-1 group M subtypes on mother-to-child transmission (MTCT) of HIV-1 in African settings where multiple HIV-1 group M subtypes are co-circulating...
  21. pmc Performance of an Early Infant Diagnostic Test, AmpliSens DNA-HIV-FRT, Using Dried Blood Spots Collected from Children Born to Human Immunodeficiency Virus-Infected Mothers in Ukraine
    Joy Chang
    Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    J Clin Microbiol 53:3853-8. 2015
    ..More importantly, the performance characteristics of the AmpliSens DBS test meets the World Health Organization EID test requirements; implementing AmpliSens DBS testing might improve EID services in resource-limited settings...
  22. pmc Development and application of a broadly sensitive dried-blood-spot-based genotyping assay for global surveillance of HIV-1 drug resistance
    Chunfu Yang
    Division of Global AIDS, International Laboratory Branch, DGHA, NCHHSTP, CDC, Mail Stop A 11, 1600 Clifton Road, Atlanta, GA 30333, USA
    J Clin Microbiol 48:3158-64. 2010
    ..Thus, the assay is likely to become a useful screening tool in the global resistance surveillance and monitoring of HIV-1 where multiple subtypes and CRFs are found...
  23. doi request reprint Evaluation of a dried blood and plasma collection device, SampleTanker(®), for HIV type 1 drug resistance genotyping in patients receiving antiretroviral therapy
    Karidia Diallo
    1 International Laboratory Branch, Division of Global HIV AIDS, CGH, Centers for Disease Control and Prevention, Atlanta, Georgia
    AIDS Res Hum Retroviruses 30:67-73. 2014
    ..1% and 99.0%, and 96.6% and 98.9%, respectively). Our results indicate that with the current design, the ST may not be the ideal dried blood specimen collection device for HIVDR monitoring for ART patients in resource-limited settings...
  24. ncbi request reprint PCR-mediated recombination between Cryptosporidium spp. of lizards and snakes
    Ling Zhou
    Centers for Disease Control and Prevention, Atlanta, GA, USA
    J Eukaryot Microbiol 50:563-5. 2003
    ..serpentis, C. saurophilum and the unnamed Cryptosporidium sp. Thus, care should be taken to eliminate PCR artifacts when determining the presence of genetic recombination or interpreting results of population genetic studies...
  25. pmc Viral Genetic Diversity and Polymorphisms in a Cohort of HIV-1-Infected Patients Eligible for Initiation of Antiretroviral Therapy in Abuja, Nigeria
    Karidia Diallo
    1 International Laboratory Branch, Division of Global HIV AIDS, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia
    AIDS Res Hum Retroviruses 31:564-75. 2015
    ....
  26. ncbi request reprint Molecular characterization of Enterocytozoon bieneusi in cattle indicates that only some isolates have zoonotic potential
    Irshad M Sulaiman
    Division of Parasitic Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Parasitol Res 92:328-34. 2004
    ..bieneusi genotypes from humans and other domestic animals. Therefore, only some E. bieneusi isolates from cattle may be of public health importance...
  27. pmc Surveillance of transmitted HIV drug resistance using matched plasma and dried blood spot specimens from voluntary counseling and testing sites in Ho Chi Minh City, Vietnam, 2007-2008
    Nguyen Bui Duc
    Department of Health and Human Services US Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
    Clin Infect Dis 54:S343-7. 2012
    ..Data generated will guide the national HIV drug resistance surveillance strategy and support selection of current and future first-line antiretroviral therapy and HIV prevention programs...
  28. ncbi request reprint Variability of critical epitopes within HIV-1 heptad repeat domains for selected entry inhibitors in HIV-infected populations worldwide [corrected]
    Sheri L Hanna
    HIV Immunology and Diagnostics Branch, Division of AIDS, STD, and TB Laboratory Research, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
    AIDS 16:1603-8. 2002
    ..Two of the fusion inhibitors T-20 and 5-helix polypeptide have been shown to be potent inhibitors of cell-to-cell fusion and are currently under investigation as therapy for HIV-1...
  29. ncbi request reprint Coreceptor utilization of HIV type 1 subtype E viral isolates from Thai men with HIV type 1-infected and uninfected wives
    Utaiwan Utaipat
    HIV Immunology and Diagnostics Branch, DASTLR, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    AIDS Res Hum Retroviruses 18:1-11. 2002
    ..Thus, there was no association between the pattern of coreceptor usage and transmissibility among these subtype E HIV-1 isolates...
  30. pmc Optimization of a low cost and broadly sensitive genotyping assay for HIV-1 drug resistance surveillance and monitoring in resource-limited settings
    Zhiyong Zhou
    Division of Global HIV AIDS, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
    PLoS ONE 6:e28184. 2011
    ..6% were CRF01_AE, 25.9% subtype C, 13.1% CRF02_AG, 5.1% subtype G, 4.2% subtype B, 2.5% subtype A, 2.1% each subtype F and unclassifiable, 0.4% each CRF06_CPX, CRF07_BC and CRF09_CPX...
  31. doi request reprint Evaluation of the immune response to a 2-dose measles vaccination schedule administered at 6 and 9 months of age to HIV-infected and HIV-uninfected children in Malawi
    Rita F Helfand
    Centers for Disease Control and Prevention, Altanta, GA 30333, USA
    J Infect Dis 198:1457-65. 2008
    ..The World Health Organization recommends that infants at high risk for developing measles before 9 months of age, including human immunodeficiency virus (HIV)-infected infants, receive measles vaccination (MV) at 6 and 9 months of age...
  32. pmc Monitoring the quality of HIV-1 viral load testing through a proficiency testing program using dried tube specimens in resource-limited settings
    Shon Nguyen
    Division of Global HIV AIDS, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    J Clin Microbiol 53:1129-36. 2015
    ..Our data suggest that the CDC HIV-1 VL PT program using DTSs positively impacts the testing performance of the participants, which might translate into better and more accurate VL testing services for patients...
  33. pmc Subtyping novel zoonotic pathogen Cryptosporidium chipmunk genotype I
    Yaqiong Guo
    State Key Laboratory of Bioreactor Engineering, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, People s Republic of China Division of Foodborne, Waterborne, and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    J Clin Microbiol 53:1648-54. 2015
    ..Thus, Cryptosporidium chipmunk genotype I isolates from humans and wildlife are genetically similar, and zoonotic transmission might play a potential role in human infections. ..
  34. ncbi request reprint Surveillance of transmitted HIV drug resistance with the World Health Organization threshold survey method in Lilongwe, Malawi
    Kelita Kamoto
    HIV Unit, Ministry of Health, Lilongwe, Malawi
    Antivir Ther 13:83-7. 2008
    ..Owing to capacity constraints, standard patient care, treatment initiation and follow up are based on World Health Organization (WHO) clinical staging and do not provide laboratory monitoring to assess treatment failure...
  35. pmc Subclinical Plasmodium falciparum infection and HIV-1 viral load
    Kimberly C Brouwer
    Emerg Infect Dis 13:351-3. 2007
  36. ncbi request reprint HIV type 1 sequence diversity and dual infections in Kenya
    Megan C Steain
    Retroviral Genetics Laboratory, Center for Virus Research, Westmead Millennium Institute, Westmead NSW 2145, Sydney, Australia
    AIDS Res Hum Retroviruses 21:882-5. 2005
    ..These results imply that the HIV epidemic in western Kenya is a dynamic one and is continually evolving. Therefore, continued monitoring of the epidemic in this region is necessary if a vaccine for the area is to be developed...
  37. ncbi request reprint Surveillance of transmitted HIV drug resistance among women attending antenatal clinics in Dar es Salaam, Tanzania
    Geofrey R Somi
    National AIDS Control Program, Dar es Salaam, Tanzania
    Antivir Ther 13:77-82. 2008
    ..We used the WHO HIVDR threshold survey method to assess transmitted HIVDR in Dar es Salaam where ART was introduced in 1995 and where approximately 11,000 people are currently on ART...
  38. pmc Maternal malaria and perinatal HIV transmission, western Kenya
    John G Ayisi
    Centre for Vector Biology and Control Research, Kenya Medical Research Institute, Kisumu, Kenya
    Emerg Infect Dis 10:643-52. 2004
    ....