opsonic

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Related to opsonic: opsonic index

op·son·ic

(op-son'ik),

Relating to opsonins or to their use.

Farlex Partner Medical Dictionary © Farlex 2012

opsonic

(ŏp-sŏn′ĭk)

adj.

Of, relating to, or produced by opsonins.

op·son·ic

(op-son'ik)

Relating to opsonins or to their utilization.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

opsonin

(ŏp-sō′nĭn) [Gr. opsonein, to purchase food]

A substance that coats foreign antigens, making them more susceptible to macrophages and other leukocytes, thus increasing phagocytosis of the organism. Complement and antibodies are the two main opsonins in human blood. opsonic (-sŏn′ĭk), adjective

immune opsonin

Opsonin formed after stimulation by a specific antigen.

References in periodicals archive ?

The dominant emm types of GAS in a given region can be determined through epidemiological investigation, and then safe and opsonic epitopes on N terminal of M protein of these dominant strains can be selected to compose a multivalent vaccine.

Immunogenicity and Safety of a Chemically Synthesized Divalent Group A Streptococcal Vaccine

pallidum to evade the immune response limiting the antibodies' cytotoxic and opsonic capacities (like its homolog in H.

Novel Treponema pallidum Recombinant Antigens for Syphilis Diagnostics: Current Status and Future Prospects

No demonstrable C3b could be identified, but a mixture of opsonic iC3b and nonopsonic C3d was recovered from the surface of S.

Hyperglycemia inhibits complement-mediated immunological control of S. aureus in a rat model of peritonitis

equi infection, while the opsonic ability of foal serum was found to be a limited factor for phagocytosis from the ages of 1 to 6 weeks [41, 42].

The effectiveness of anti-R. equi hyperimmune plasma against R. equi challenge in thoroughbred Arabian foals of mares vaccinated with R. equi vaccine

Overall the PEG molecules on the liposome surface do not interfere with production of opsonic components from the C3 component.

Stealth properties to improve therapeutic efficacy of drug nanocarriers

Three sets of conditions were taken, i.e., 50 [micro]l bacterial dilution was mixed with 50 [micro]l heat inactivated normal serum (NS) and/or convalescent serum (CS) and 400 [micro]l of non opsonic heparinized donor blood, as a source of neutrophils and complement.

Virulence potential of Group A streptococci isolated from throat cultures of children from north India

It is also known to be opsonic in nature and activates the complement system and phagocytes.

Leukocytes respiratory burst and lysozyme level in pacu (Piaractus mesopotamicus holmberg, 1887)/ atividade respiratoria de leucocitos e nivel de lisozima em pacu (Piaractus mesopotamicus)

An impaired opsonic activity of antibodies has been reported in multigravid women coinfected with HIV and malaria as in comparison to those without HIV.

Effects of malaria and human immunodeficiency virus co-infection during pregnancy

Also, a reported case of an adult SSSS, in which a patient presented normal opsonic activity and phagocytic function but marked defects in neutrophil chemotaxis and T-lymphocyte function (13), reinforces the importance of immune response in disease pathogenesis.

Produccion de citocinas y oxido nitrico en uno paciente adulto con sindrome de la piel escaldada estafilococica

The MBL gene [MBL2, mannose-binding lectin (protein C) 2, soluble (opsonic defect)] harbors several common polymorphisms that affect the concentration or function of the protein (3).

Primary immunodeficiency: complex genetic disorders?

This concurs with the report of Cline and Lehrer who indicated that the opsonic property of Candida immune serum was attributed to the presence of specific IgG, and not to activation of the complement system.

Preparation of anti-Candida albicans antibodies in an egg-laying hen and their protective efficacy in mice

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