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  1. Article: Integrated bioassays in microfluidic devices: botulinum toxin assays.

    Mangru, Shakuntala / Bentz, Bryan L / Davis, Timothy J / Desai, Nitin / Stabile, Paul J / Schmidt, James J / Millard, Charles B / Bavari, Sina / Kodukula, Krishna

    Journal of biomolecular screening

    2005  Volume 10, Issue 8, Page(s) 788–794

    Abstract: A microfluidic assay was developed for screening botulinum neurotoxin serotype A (BoNT-A) by using a fluorescent resonance energy transfer (FRET) assay. Molded silicone microdevices with integral valves, pumps, and reagent reservoirs were designed and ... ...

    Abstract A microfluidic assay was developed for screening botulinum neurotoxin serotype A (BoNT-A) by using a fluorescent resonance energy transfer (FRET) assay. Molded silicone microdevices with integral valves, pumps, and reagent reservoirs were designed and fabricated. Electrical and pneumatic control hardware were constructed, and software was written to automate the assay protocol and data acquisition. Detection was accomplished by fluorescence microscopy. The system was validated with a peptide inhibitor, running 2 parallel assays, as a feasibility demonstration. The small footprint of each bioreactor cell (0.5 cm2) and scalable fluidic architecture enabled many parallel assays on a single chip. The chip is programmable to run a dilution series in each lane, generating concentration-response data for multiple inhibitors. The assay results showed good agreement with the corresponding experiments done at a macroscale level. Although the system has been developed for BoNT-A screening, a wide variety of assays can be performed on the microfluidic chip with little or no modification.
    MeSH term(s) Biological Assay/instrumentation ; Biological Assay/methods ; Botulinum Toxins, Type A/analysis ; Feasibility Studies ; Microchemistry/instrumentation ; Microfluidics/instrumentation ; Miniaturization
    Chemical Substances Botulinum Toxins, Type A (EC 3.4.24.69)
    Language English
    Publishing date 2005-12
    Publishing country United States
    Document type Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. ; Validation Studies
    ZDB-ID 1433680-7
    ISSN 1552-454X ; 1087-0571
    ISSN (online) 1552-454X
    ISSN 1087-0571
    DOI 10.1177/1087057105278927
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: The major genetic determinants of HIV-1 control affect HLA class I peptide presentation.

    Pereyra, Florencia / Jia, Xiaoming / McLaren, Paul J / Telenti, Amalio / de Bakker, Paul I W / Walker, Bruce D / Ripke, Stephan / Brumme, Chanson J / Pulit, Sara L / Carrington, Mary / Kadie, Carl M / Carlson, Jonathan M / Heckerman, David / Graham, Robert R / Plenge, Robert M / Deeks, Steven G / Gianniny, Lauren / Crawford, Gabriel / Sullivan, Jordan /
    Gonzalez, Elena / Davies, Leela / Camargo, Amy / Moore, Jamie M / Beattie, Nicole / Gupta, Supriya / Crenshaw, Andrew / Burtt, Noël P / Guiducci, Candace / Gupta, Namrata / Gao, Xiaojiang / Qi, Ying / Yuki, Yuko / Piechocka-Trocha, Alicja / Cutrell, Emily / Rosenberg, Rachel / Moss, Kristin L / Lemay, Paul / O'Leary, Jessica / Schaefer, Todd / Verma, Pranshu / Toth, Ildiko / Block, Brian / Baker, Brett / Rothchild, Alissa / Lian, Jeffrey / Proudfoot, Jacqueline / Alvino, Donna Marie L / Vine, Seanna / Addo, Marylyn M / Allen, Todd M / Altfeld, Marcus / Henn, Matthew R / Le Gall, Sylvie / Streeck, Hendrik / Haas, David W / Kuritzkes, Daniel R / Robbins, Gregory K / Shafer, Robert W / Gulick, Roy M / Shikuma, Cecilia M / Haubrich, Richard / Riddler, Sharon / Sax, Paul E / Daar, Eric S / Ribaudo, Heather J / Agan, Brian / Agarwal, Shanu / Ahern, Richard L / Allen, Brady L / Altidor, Sherly / Altschuler, Eric L / Ambardar, Sujata / Anastos, Kathryn / Anderson, Ben / Anderson, Val / Andrady, Ushan / Antoniskis, Diana / Bangsberg, David / Barbaro, Daniel / Barrie, William / Bartczak, J / Barton, Simon / Basden, Patricia / Basgoz, Nesli / Bazner, Suzane / Bellos, Nicholaos C / Benson, Anne M / Berger, Judith / Bernard, Nicole F / Bernard, Annette M / Birch, Christopher / Bodner, Stanley J / Bolan, Robert K / Boudreaux, Emilie T / Bradley, Meg / Braun, James F / Brndjar, Jon E / Brown, Stephen J / Brown, Katherine / Brown, Sheldon T / Burack, Jedidiah / Bush, Larry M / Cafaro, Virginia / Campbell, Omobolaji / Campbell, John / Carlson, Robert H / Carmichael, J Kevin / Casey, Kathleen K / Cavacuiti, Chris / Celestin, Gregory / Chambers, Steven T / Chez, Nancy / Chirch, Lisa M / Cimoch, Paul J / Cohen, Daniel / Cohn, Lillian E / Conway, Brian / Cooper, David A / Cornelson, Brian / Cox, David T / Cristofano, Michael V / Cuchural, George / Czartoski, Julie L / Dahman, Joseph M / Daly, Jennifer S / Davis, Benjamin T / Davis, Kristine / Davod, Sheila M / DeJesus, Edwin / Dietz, Craig A / Dunham, Eleanor / Dunn, Michael E / Ellerin, Todd B / Eron, Joseph J / Fangman, John J W / Farel, Claire E / Ferlazzo, Helen / Fidler, Sarah / Fleenor-Ford, Anita / Frankel, Renee / Freedberg, Kenneth A / French, Neel K / Fuchs, Jonathan D / Fuller, Jon D / Gaberman, Jonna / Gallant, Joel E / Gandhi, Rajesh T / Garcia, Efrain / Garmon, Donald / Gathe, Joseph C / Gaultier, Cyril R / Gebre, Wondwoosen / Gilman, Frank D / Gilson, Ian / Goepfert, Paul A / Gottlieb, Michael S / Goulston, Claudia / Groger, Richard K / Gurley, T Douglas / Haber, Stuart / Hardwicke, Robin / Hardy, W David / Harrigan, P Richard / Hawkins, Trevor N / Heath, Sonya / Hecht, Frederick M / Henry, W Keith / Hladek, Melissa / Hoffman, Robert P / Horton, James M / Hsu, Ricky K / Huhn, Gregory D / Hunt, Peter / Hupert, Mark J / Illeman, Mark L / Jaeger, Hans / Jellinger, Robert M / John, Mina / Johnson, Jennifer A / Johnson, Kristin L / Johnson, Heather / Johnson, Kay / Joly, Jennifer / Jordan, Wilbert C / Kauffman, Carol A / Khanlou, Homayoon / Killian, Robert K / Kim, Arthur Y / Kim, David D / Kinder, Clifford A / Kirchner, Jeffrey T / Kogelman, Laura / Kojic, Erna Milunka / Korthuis, P Todd / Kurisu, Wayne / Kwon, Douglas S / LaMar, Melissa / Lampiris, Harry / Lanzafame, Massimiliano / Lederman, Michael M / Lee, David M / Lee, Jean M L / Lee, Marah J / Lee, Edward T Y / Lemoine, Janice / Levy, Jay A / Llibre, Josep M / Liguori, Michael A / Little, Susan J / Liu, Anne Y / Lopez, Alvaro J / Loutfy, Mono R / Loy, Dawn / Mohammed, Debbie Y / Man, Alan / Mansour, Michael K / Marconi, Vincent C / Markowitz, Martin / Marques, Rui / Martin, Jeffrey N / Martin, Harold L / Mayer, Kenneth Hugh / McElrath, M Juliana / McGhee, Theresa A / McGovern, Barbara H / McGowan, Katherine / McIntyre, Dawn / Mcleod, Gavin X / Menezes, Prema / Mesa, Greg / Metroka, Craig E / Meyer-Olson, Dirk / Miller, Andy O / Montgomery, Kate / Mounzer, Karam C / Nagami, Ellen H / Nagin, Iris / Nahass, Ronald G / Nelson, Margret O / Nielsen, Craig / Norene, David L / O'Connor, David H / Ojikutu, Bisola O / Okulicz, Jason / Oladehin, Olakunle O / Oldfield, Edward C / Olender, Susan A / Ostrowski, Mario / Owen, William F / Pae, Eunice / Parsonnet, Jeffrey / Pavlatos, Andrew M / Perlmutter, Aaron M / Pierce, Michael N / Pincus, Jonathan M / Pisani, Leandro / Price, Lawrence Jay / Proia, Laurie / Prokesch, Richard C / Pujet, Heather Calderon / Ramgopal, Moti / Rathod, Almas / Rausch, Michael / Ravishankar, J / Rhame, Frank S / Richards, Constance Shamuyarira / Richman, Douglas D / Rodes, Berta / Rodriguez, Milagros / Rose, Richard C / Rosenberg, Eric S / Rosenthal, Daniel / Ross, Polly E / Rubin, David S / Rumbaugh, Elease / Saenz, Luis / Salvaggio, Michelle R / Sanchez, William C / Sanjana, Veeraf M / Santiago, Steven / Schmidt, Wolfgang / Schuitemaker, Hanneke / Sestak, Philip M / Shalit, Peter / Shay, William / Shirvani, Vivian N / Silebi, Vanessa I / Sizemore, James M / Skolnik, Paul R / Sokol-Anderson, Marcia / Sosman, James M / Stabile, Paul / Stapleton, Jack T / Starrett, Sheree / Stein, Francine / Stellbrink, Hans-Jurgen / Sterman, F Lisa / Stone, Valerie E / Stone, David R / Tambussi, Giuseppe / Taplitz, Randy A / Tedaldi, Ellen M / Theisen, William / Torres, Richard / Tosiello, Lorraine / Tremblay, Cecile / Tribble, Marc A / Trinh, Phuong D / Tsao, Alice / Ueda, Peggy / Vaccaro, Anthony / Valadas, Emilia / Vanig, Thanes J / Vecino, Isabel / Vega, Vilma M / Veikley, Wenoah / Wade, Barbara H / Walworth, Charles / Wanidworanun, Chingchai / Ward, Douglas J / Warner, Daniel A / Weber, Robert D / Webster, Duncan / Weis, Steve / Wheeler, David A / White, David J / Wilkins, Ed / Winston, Alan / Wlodaver, Clifford G / van't Wout, Angelique / Wright, David P / Yang, Otto O / Yurdin, David L / Zabukovic, Brandon W / Zachary, Kimon C / Zeeman, Beth / Zhao, Meng

    Science (New York, N.Y.)

    2010  Volume 330, Issue 6010, Page(s) 1551–1557

    Abstract: Infectious and inflammatory diseases have repeatedly shown strong genetic associations within the major histocompatibility complex (MHC); however, the basis for these associations remains elusive. To define host genetic effects on the outcome of a ... ...

    Abstract Infectious and inflammatory diseases have repeatedly shown strong genetic associations within the major histocompatibility complex (MHC); however, the basis for these associations remains elusive. To define host genetic effects on the outcome of a chronic viral infection, we performed genome-wide association analysis in a multiethnic cohort of HIV-1 controllers and progressors, and we analyzed the effects of individual amino acids within the classical human leukocyte antigen (HLA) proteins. We identified >300 genome-wide significant single-nucleotide polymorphisms (SNPs) within the MHC and none elsewhere. Specific amino acids in the HLA-B peptide binding groove, as well as an independent HLA-C effect, explain the SNP associations and reconcile both protective and risk HLA alleles. These results implicate the nature of the HLA-viral peptide interaction as the major factor modulating durable control of HIV infection.
    MeSH term(s) Black or African American/genetics ; Alleles ; Amino Acids/physiology ; Antigen Presentation ; CD8-Positive T-Lymphocytes/immunology ; Cohort Studies ; Disease Progression ; Genes, MHC Class I ; Genome-Wide Association Study ; HIV Antigens/immunology ; HIV Infections/ethnology ; HIV Infections/genetics ; HIV Infections/immunology ; HIV Infections/virology ; HIV Long-Term Survivors ; HIV-1/immunology ; HLA-A Antigens/chemistry ; HLA-A Antigens/genetics ; HLA-A Antigens/immunology ; HLA-A Antigens/metabolism ; HLA-B Antigens/chemistry ; HLA-B Antigens/genetics ; HLA-B Antigens/immunology ; HLA-B Antigens/metabolism ; HLA-C Antigens/chemistry ; HLA-C Antigens/genetics ; HLA-C Antigens/immunology ; HLA-C Antigens/metabolism ; Haplotypes ; Hispanic or Latino/genetics ; Humans ; Immunity, Innate ; Logistic Models ; Models, Molecular ; Polymorphism, Single Nucleotide ; Protein Conformation ; Viral Load ; White People/genetics
    Chemical Substances Amino Acids ; HIV Antigens ; HLA-A Antigens ; HLA-B Antigens ; HLA-C Antigens
    Language English
    Publishing date 2010-11-04
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, N.I.H., Intramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 128410-1
    ISSN 1095-9203 ; 0036-8075
    ISSN (online) 1095-9203
    ISSN 0036-8075
    DOI 10.1126/science.1195271
    Database MEDical Literature Analysis and Retrieval System OnLINE

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