Search Results - "Bjornson, A B"

The alternative complement pathway promotes IgM antibody-dependent and -independent adherence of Bacteroides to polymorphonuclear leukocytes through CR3 and CR1 by Foreman, K E, Bjornson, A B

“…Natural immunoglobulin M (IgM) antibodies act synergistically with the alternative complement pathway to promote opsonization and adherence of Bacteroides…”
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Serotype-specific immunoglobulin G antibody responses to pneumococcal polysaccharide vaccine in children with sickle cell anemia: Effects of continued penicillin prophylaxis by Bjornson, Ann B., Falletta, John M., Verter, Joel I., Buchanan, George R., Miller, Scott T., Pegelow, Charles H., Iyer, Rathi V., Johnstone, Helen S., DeBaun, Michael R., Wethers, Doris L., Wang, Winfred C., Woods, Gerald M., Holbrook, C.Tate, Becton, David L., Kinney, Thomas R., Reaman, Gregory H., Kalinyak, Karen, Grossman, Neil J., Vichinsky, Elliott, Reid, Clarice D.

“…OBJECTIVES: (1) To determine serotype-specific IgG antibody responses to reimmunization with pneumococcal polysaccharide vaccine at age 5 years in children…”
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Circulating factors contribute to elevation of intracellular cyclic-3',5'-adenosine monophosphate and depression of superoxide anion production in polymorphonuclear leukocytes following thermal injury by Bjornson, A B, Somers, S D, Knippenberg, R W, Bjornson, H S

“…We have previously demonstrated that bactericidal activity and superoxide anion (O2-) production are depressed concomitantly in polymorphonuclear leukocytes…”
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Nonsteroidal Anti-Inflammatory Drugs Correct the Bactericidal Defect of Polymorphonuclear Leukocytes in a Guinea Pig Model of Thermal Injury by Bjornson, Ann B., Knippenberg, Robert W., Bjornson, H. Stephen

“…We conducted studies to determine the effects of parenteral therapy with indomethacin, ibuprofen, and piroxicam on key immunologic and hematologic alterations…”
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Direct evidence that decreased serum opsonization of Streptococcus pneumoniae via the alternative complement pathway in sickle cell disease is related to antibody deficiency by Bjornson, A B, Lobel, J S

“…Two approaches were used to demonstrate that reduction in serum opsonization of Streptococcus pneumoniae via the alternative complement pathway in children…”
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The pentameric structure of IgM is necessary to enhance opsonization of Bacteroides thetaiotaomicron and Bacteroides fragilis via the alternative complement pathway by Bjornson, Ann B., Detmers, Patricia A.

“…Studies were conducted to investigate the mechanisms by which natural IgM antibodies act together with the alternative complement pathway to promote…”
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Lack of a Requirement for the Fc Region of IgG in Restoring Pneumococcal Opsonization via the Alternative Complement Pathway in Sickle Cell Disease by Bjornson, Ann B., Lobel, Jeffrey S.

“…Children with sickle cell disease have reduced serum opsonization of Streptococcus pneumoniae. Our previous studies have suggested that opsonization mediated…”
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Bactericidal defect of neutrophils in a guinea pig model of thermal injury is related to elevation of intracellular cyclic-3',5'-adenosine monophosphate by Bjornson, AB, Knippenberg, RW, Bjornson, HS

“…PG of the E series inhibit major effector functions of polymorphonuclear leukocytes (PMN) by elevating intracellular cAMP. The present study investigated the…”
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Immunoglobulin-independent utilization of the classical complement pathway in opsonophagocytosis of Escherichia coli by human peripheral leukocytes by LEIST-WELSH, P, BJORNSON, A. B

“…Participation of immunoglobulin (Ig) G in normal human serum in formation of the classical complement (C) pathway C3 convertase on the surfaces of two clinical…”
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Relation Between Serum Opsonic Activity for Streptococcus pneumoniae and Complement Function in Sickle Cell Disease by Bjornson, Ann B., Lobel, Jeffrey S., Barr, Kathleen S.

“…Opsonic activity for Streptococcus pneumoniae mediated by the alternative and classic complement pathways and concomitant binding of activated C3 to the…”
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Quantitative Variability in Requirements for Opsonization of Strains within the Bacteroides fragilis Group by Bjornson, Ann B., Bjornson, H. Stephen, Ashraf, Muhammad, Lang, Teresa J.

“…Requirements for opsonization of various strains within the species Bacteroides fragilis, Bacteroides thetaiotaomicron, Bacteroides vulgatus, and Bacteroides…”
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Requirements of immunoglobulin and the classical and alternative complement pathways for phagocytosis and intracellular killing of multiple strains of Gram-negative aerobic bacilli by P Leist-Welsh, A B Bjornson

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Activation of complement by opportunist pathogens and chemotypes of Salmonella minnesota by Bjornson, A B, Bjornson, H S

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Specificity of immunoglobulin M antibodies in normal human serum that participate in opsonophagocytosis and intracellular killing of Bacteroides fragilis and Bacteroides thetaiotaomicron by by human polymorphonuclear leukocytes by Bjornson, A B, Bjornson, H S, Kitko, B P

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Serum-mediated inhibition of polymorphonuclear leukocyte function following burn injury by Bjornson, A B, Bjornson, H S, Altemeier, W A

“…Serial serum samples from 12 bacteremic burned patients were tested at a physiologic concentration for their ability to facilitate phagocytosis and…”
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Participation of normal human immunoglobulins M, G, and A in opsonophagocytosis and intracellular killing of Bacteroides fragilis and Bacteroides thetaiotaomicron by human polymorphonuclear leukocytes by Bjornson, A B, Bjornson, H S, Kitko, B P

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Complement, opsonins, and the immune response to bacterial infection in burned patients by Bjornson, A B, Altemeier, W A, Bjornson, H S

“…Studies were performed to evaluate complement, opsonins, and the immune response to bacterial infection in burned patients. Concentrations and functional…”
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Complement is activated in the upper respiratory tract during influenza virus infection by Bjornson, A B, Mellencamp, M A, Schiff, G M

“…The purpose of this pilot study was to determine whether complement is activated in the upper respiratory tract during experimental influenza virus infection…”
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Opsonization of bacteroides by the alternative complement pathway reconstructed from isolated plasma proteins by BJORNSON, A. B, MAGNAFICHI, P. I, SCHREIBER, R. D, BJORNSON, H. S

“…Opsonization of clinical isolates of B. fragilis and B. thetaiotaomicron with the six isolated proteins of the alternative complement pathway under…”
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Participation of Immunoglobulin and the Alternative Complement Pathway in Opsonization of Bacteroides fragilis and Bacteroides thetaiotaomicron by Bjornson, Ann B., Bjornson, H. Stephen

“…Studies were conducted to determine the requirements for immunoglobulin and complement for opsonization of Bacteroides fragilis and Bacteroides…”
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