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Cynthia Chappell

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Cynthia L Chappell; Rebecca C Langer-Curry; Pablo C Okhuysen; Donna E Akiyoshi; Giovanni Widmer; Saul Tzipori
Cryptosporidium meleagridis: infectivity in healthy adult volunteers.
Heuy-Ching Wang; Sara M Dann; Pablo C Okhuysen; Dorothy E Lewis; Cynthia L Chappell; Douglas G Adler; A Clinton White
High levels of CXCL10 are produced by intestinal epithelial cells in AIDS patients with active cryptosporidiosis but not after reconstitution of immunity.
Cynthia L Chappell; Pablo C Okhuysen; Rebecca Langer-Curry; Giovanni Widmer; Donna E Akiyoshi; Sultan Tanriverdi; Saul Tzipori
Cryptosporidium hominis: experimental challenge of healthy adults.

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All Publications

2011: Cynthia L Chappell; Rebecca C Langer-Curry; Pablo C Okhuysen; Donna E Akiyoshi; Giovanni Widmer; Saul Tzipori
Cryptosporidium meleagridis: infectivity in healthy adult volunteers.
The American journal of tropical medicine and hygiene 2011;85(2):238-42.
2007: Heuy-Ching Wang; Sara M Dann; Pablo C Okhuysen; Dorothy E Lewis; Cynthia L Chappell; Douglas G Adler; A Clinton White
High levels of CXCL10 are produced by intestinal epithelial cells in AIDS patients with active cryptosporidiosis but not after reconstitution of immunity.
Infection and immunity 2007;75(1):481-7.
2006: Cynthia L Chappell; Pablo C Okhuysen; Rebecca Langer-Curry; Giovanni Widmer; Donna E Akiyoshi; Sultan Tanriverdi; Saul Tzipori
Cryptosporidium hominis: experimental challenge of healthy adults.
The American journal of tropical medicine and hygiene 2006;75(5):851-7.
2005: Pablo C Okhuysen; Cynthia L Chappell; Dorothy E Lewis; Prema Robinson; A Clinton White
Treatment of chronic cryptosporidiosis in AIDS with rIL-12 induces an immune response associated with improvement but severe side-effects.
AIDS (London, England) 2005;19(12):1333-4.
2005: Sonia A Kjos; Mark Jenkins; Pablo C Okhuysen; Cynthia L Chappell
Evaluation of recombinant oocyst protein CP41 for detection of cryptosporidium-specific antibodies.
Clinical and diagnostic laboratory immunology 2005;12(2):268-72.
2004: David B Huang; Cynthia L Chappell; Pablo C Okhuysen
Cryptosporidiosis in children.
Seminars in pediatric infectious diseases 2004;15(4):253-9.
2004: Sean V Shadomy; Stephen C Waring; Olindo Martins-Filho; Rodrigo Corrêa Oliveira; Cynthia L Chappell
Combined use of enzyme-linked immunosorbent assay and flow cytometry to detect antibodies to Trypanosoma cruzi in domestic canines in Texas.
Clinical and diagnostic laboratory immunology 2004;11(2):313-9.
2004: Pablo C Okhuysen; G Aaron Rogers; Andrea Crisanti; Furio Spano; David B Huang; Cynthia L Chappell; Saul Tzipori
Antibody response of healthy adults to recombinant thrombospondin-related adhesive protein of cryptosporidium 1 after experimental exposure to cryptosporidium oocysts.
Clinical and diagnostic laboratory immunology 2004;11(2):235-8.
2003: Prema Robinson; Pablo C Okhuysen; Cynthia L Chappell; Joel V Weinstock; Dorothy E Lewis; Jeffrey K Actor; A Clinton White
Substance P expression correlates with severity of diarrhea in cryptosporidiosis.
The Journal of infectious diseases 2003;188(2):290-6.
2003: Cirle Alcantara; Chang-Hun Yang; Theodore S Steiner; Leah J Barrett; Aldo A M Lima; Cynthia L Chappell; Pablo C Okhuysen; A Clinton White; Richard L Guerrant
Interleukin-8, tumor necrosis factor-alpha, and lactoferrin in immunocompetent hosts with experimental and Brazilian children with acquired cryptosporidiosis.
The American journal of tropical medicine and hygiene 2003;68(3):325-8.
2002: Cynthia L Chappell; Pablo C Okhuysen
Cryptosporidiosis.
Current opinion in infectious diseases 2002;15(5):523-7.
2002: Jason J Millership; Cynthia L Chappell; Pablo C Okhuysen; Karen F Snowden
Characterization of aminopeptidase activity from three species of microsporidia: Encephalitozoon cuniculi, Encephalitozoon hellem, and Vittaforma corneae.
The Journal of parasitology 2002;88(5):843-8.
2002: Peter Teunis; Cynthia L Chappell; Pablo C Okhuysen
Cryptosporidium dose-response studies: variation between hosts.
Risk analysis : an official publication of the Society for Risk Analysis 2002;22(3):475-85.
2002: Pablo C Okhuysen; Stephen M Rich; Cynthia L Chappell; Kevin A Grimes; Giovanni Widmer; Xiaochuan Feng; Saul Tzipori
Infectivity of a Cryptosporidium parvum isolate of cervine origin for healthy adults and interferon-gamma knockout mice.
The Journal of infectious diseases 2002;185(9):1320-5.
2002: Pablo C Okhuysen; Cynthia L Chappell
Cryptosporidium virulence determinants--are we there yet?
International journal for parasitology 2002;32(5):517-25.
2002: Peter Teunis; Cynthia L Chappell; Pablo C Okhuysen
Cryptosporidium dose response studies: variation between isolates.
Risk analysis : an official publication of the Society for Risk Analysis 2002;22(1):175-83.
2002: Ranjit S Padda; An Tsai; Cynthia L Chappell; Pablo C Okhuysen
Molecular cloning and analysis of the Cryptosporidium parvum aminopeptidase N gene.
International journal for parasitology 2002;32(2):187-97.
2002: Jason J Millership; Cynthia L Chappell; Pablo C Okhuysen; Karen F Snowden
Characterization of a cytosolic aminopeptidase from Encephalitozoon intestinalis.
Parasitology 2002;124(Pt 1):1-7.
2001: M J Messner; Cynthia L Chappell; Pablo C Okhuysen
Risk assessment for Cryptosporidium: a hierarchical Bayesian analysis of human dose response data.
Water research 2001;35(16):3934-40.
2001: Prema Robinson; Pablo C Okhuysen; Cynthia L Chappell; Dorothy E Lewis; Imran Shahab; S Lahoti; A Clinton White
Expression of IL-15 and IL-4 in IFN-gamma-independent control of experimental human Cryptosporidium parvum infection.
Cytokine 2001;15(1):39-46.
2001: Cynthia L Chappell; J A Wright; M Coletta; A L Newsome
Standardized method of measuring acanthamoeba antibodies in sera from healthy human subjects.
Clinical and diagnostic laboratory immunology 2001;8(4):724-30.
2001: Pablo C Okhuysen; Philip Robinson; M T Nguyen; Esteban C Nannini; Dorothy E Lewis; A Janecki; Cynthia L Chappell; A C White
Jejunal cytokine response in AIDS patients with chronic cryptosporidiosis and during immune reconstitution.
AIDS (London, England) 2001;15(6):802-4.
2001: Prema Robinson; Pablo C Okhuysen; Cynthia L Chappell; Dorothy E Lewis; Imran Shahab; A Janecki; A Clinton White
Expression of tumor necrosis factor alpha and interleukin 1 beta in jejuna of volunteers after experimental challenge with Cryptosporidium parvum correlates with exposure but not with symptoms.
Infection and immunity 2001;69(2):1172-4.
2000: Prema Robinson; Pablo C Okhuysen; Cynthia L Chappell; Dorothy E Lewis; Imran Shahab; S Lahoti; A Clinton White
Transforming growth factor beta1 is expressed in the jejunum after experimental Cryptosporidium parvum infection in humans.
Infection and immunity 2000;68(9):5405-7.
2000: Sara M Dann; Pablo C Okhuysen; B M Salameh; Herbert L DuPont; Cynthia L Chappell
Fecal antibodies to Cryptosporidium parvum in healthy volunteers.
Infection and immunity 2000;68(9):5068-74.
2000: A Clinton White; Prema Robinson; Pablo C Okhuysen; Dorothy E Lewis; Imran Shahab; S Lahoti; Herbert L DuPont; Cynthia L Chappell
Interferon-gamma expression in jejunal biopsies in experimental human cryptosporidiosis correlates with prior sensitization and control of oocyst excretion.
The Journal of infectious diseases 2000;181(2):701-9.
1999: Pablo C Okhuysen; Cynthia L Chappell; J H Crabb; CR Sterling; Herbert L DuPont
Virulence of three distinct Cryptosporidium parvum isolates for healthy adults.
The Journal of infectious diseases 1999;180(4):1275-81.
1999: Cynthia L Chappell; Pablo C Okhuysen; CR Sterling; C Wang; W Jakubowski; Herbert L DuPont
Infectivity of Cryptosporidium parvum in healthy adults with pre-existing anti-C. parvum serum immunoglobulin G.
The American journal of tropical medicine and hygiene 1999;60(1):157-64.
1998: Giovanni Widmer; L Tchack; Cynthia L Chappell; Saul Tzipori
Sequence polymorphism in the beta-tubulin gene reveals heterogeneous and variable population structures in Cryptosporidium parvum.
Applied and environmental microbiology 1998;64(11):4477-81.
1998: NH Smith; Stanley G Cron; LM Valdez; Cynthia L Chappell; A Clinton White
Combination drug therapy for cryptosporidiosis in AIDS.
The Journal of infectious diseases 1998;178(3):900-3.
1998: Delynn M Moss; Cynthia L Chappell; Pablo C Okhuysen; H L DuPont; Michael J Arrowood; Allen W Hightower; Patrick J Lammie
The antibody response to 27-, 17-, and 15-kDa Cryptosporidium antigens following experimental infection in humans.
The Journal of infectious diseases 1998;178(3):827-33.
1998: Pablo C Okhuysen; Cynthia L Chappell; J Crabb; LM Valdez; E T Douglass; Herbert L DuPont
Prophylactic effect of bovine anti-Cryptosporidium hyperimmune colostrum immunoglobulin in healthy volunteers challenged with Cryptosporidium parvum.
Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 1998;26(6):1324-9.
1998: Pablo C Okhuysen; Cynthia L Chappell; CR Sterling; W Jakubowski; Herbert L DuPont
Susceptibility and serologic response of healthy adults to reinfection with Cryptosporidium parvum.
Infection and immunity 1998;66(2):441-3.
1997: LM Valdez; H Dang; Pablo C Okhuysen; Cynthia L Chappell
Flow cytometric detection of Cryptosporidium oocysts in human stool samples.
Journal of clinical microbiology 1997;35(8):2013-7.
1997: A Clinton White; S Baig; Cynthia L Chappell
Characterization of a cysteine proteinase from Taenia crassiceps cysts.
Molecular and biochemical parasitology 1997;85(2):243-53.
1997: Rayhan Hashmey; NH Smith; Stanley G Cron; Edward Graviss; Cynthia L Chappell; A Clinton White
Cryptosporidiosis in Houston, Texas. A report of 95 cases.
Medicine 1997;76(2):118-39.
1996: Pablo C Okhuysen; Cynthia L Chappell; C Kettner; C R Sterling
Cryptosporidium parvum metalloaminopeptidase inhibitors prevent in vitro excystation.
Antimicrobial agents and chemotherapy 1996;40(12):2781-4.
1996: Cynthia L Chappell; Pablo C Okhuysen; C R Sterling; H L DuPont
Cryptosporidium parvum: intensity of infection and oocyst excretion patterns in healthy volunteers.
The Journal of infectious diseases 1996;173(1):232-6.
1995: Richard Goodgame; Kay T Kimball; Ching-Nan Ou; A Clinton White; Robert Genta; Carlos H Lifschitz; Cynthia L Chappell
Intestinal function and injury in acquired immunodeficiency syndrome-related cryptosporidiosis.
Gastroenterology 1995;108(4):1075-82.
1995: H L DuPont; Cynthia L Chappell; C R Sterling; Pablo C Okhuysen; Joan B Rose; W Jakubowski
The infectivity of Cryptosporidium parvum in healthy volunteers.
The New England journal of medicine 1995;332(13):855-9.
1994: Pablo C Okhuysen; H L DuPont; C R Sterling; Cynthia L Chappell
Arginine aminopeptidase, an integral membrane protein of the Cryptosporidium parvum sporozoite.
Infection and immunity 1994;62(10):4667-70.
1994: A Clinton White; Cynthia L Chappell; C S Hayat; Kay T Kimball; T P Flanigan; Richard Goodgame
Paromomycin for cryptosporidiosis in AIDS: a prospective, double-blind trial.
The Journal of infectious diseases 1994;170(2):419-24.
1993: Robert Genta; Cynthia L Chappell; A Clinton White; Kay T Kimball; Richard Goodgame
Duodenal morphology and intensity of infection in AIDS-related intestinal cryptosporidiosis.
Gastroenterology 1993;105(6):1769-75.
1993: Richard Goodgame; Robert Genta; A Clinton White; Cynthia L Chappell
Intensity of infection in AIDS-associated cryptosporidiosis.
The Journal of infectious diseases 1993;167(3):704-9.
1992: M C Holleman; Cynthia L Chappell
Acaridae incognito: the case of the mighty mite.
The Journal of the American Board of Family Practice / American Board of Family Practice 1992;5(6):639-43.
1992: Cynthia L Chappell; C C Matson
Giardia antigen detection in patients with chronic gastrointestinal disturbances.
The Journal of family practice 1992;35(1):49-53.
1990: Cynthia L Chappell; J P Enos; H M Penn
Dipylidium caninum, an underrecognized infection in infants and children.
The Pediatric infectious disease journal 1990;9(10):745-7.
1990: Cynthia L Chappell; M H Dresden; B Gryseels; A M Deelder
Antibody response to Schistosoma mansoni adult worm cysteine proteinases in infected individuals.
The American journal of tropical medicine and hygiene 1990;42(4):335-41.
1989: T C Price; M H Dresden; T Alvarado; J Flanagan; Cynthia L Chappell
Coenuriasis in a spectacled langur (Presbytis obscura): praziquantel treatment and the antibody response to cyst antigens.
The American journal of tropical medicine and hygiene 1989;40(5):514-20.
1989: Cynthia L Chappell; J Hackel; A H Davis
Cloned Schistosoma mansoni proteinase (hemoglobinase) as a putative serodiagnostic reagent.
Journal of clinical microbiology 1989;27(1):196-8.
1988: K S Zerda; M H Dresden; Cynthia L Chappell
Schistosoma mansoni: expression and role of cysteine proteinases in developing schistosomula.
Experimental parasitology 1988;67(2):238-46.
1988: Cynthia L Chappell; D C Kalter; M H Dresden
The hypersensitivity response to the adult worm proteinase, SMw32, in Schistosoma mansoni infected mice.
The American journal of tropical medicine and hygiene 1988;39(5):463-8.
1988: Cynthia L Chappell; M H Dresden
Antibody response to a purified parasite proteinase (SMw32) in Schistosoma mansoni infected mice.
The American journal of tropical medicine and hygiene 1988;39(1):66-73.
1987: K S Zerda; M H Dresden; R T Damian; Cynthia L Chappell
Schistosoma mansoni: anti-SMw32 proteinase response in vaccinated and challenged baboons.
The American journal of tropical medicine and hygiene 1987;37(2):320-6.
1987: Cynthia L Chappell; M H Dresden
Purification of cysteine proteinases from adult Schistosoma mansoni.
Archives of biochemistry and biophysics 1987;256(2):560-8.
1987: Cynthia L Chappell; M H Dresden; D W Walters
Glutathione activation of a cysteine proteinase from Schistosoma mansoni.
Biochimica et biophysica acta 1987;913(3):335-41.
1986: Cynthia L Chappell; M H Dresden
Schistosoma mansoni: proteinase activity of "hemoglobinase" from the digestive tract of adult worms.
Experimental parasitology 1986;61(2):160-7.
1981: M H Dresden; M L Rutledge; Cynthia L Chappell
Properties of the acid thiol proteinase from Schistosoma mansoni adults.
Molecular and biochemical parasitology 1981;4(1-2):61-6.