Abstract:
:For many years, it has been recognized that Mycoplasma infection affects the host's immune system in different ways. In this work, experiments were performed to characterize the influence of Mycoplasma pulmonis infection on various immunological parameters and to follow the kinetics of their variations. A Balb/c mouse model was used to assess hematological evaluations, changes in spleen weight, antibody responses against sheep erythrocytes, neutrophil phagocytosis, colloidal carbon clearance, and anti-Mycoplasma antibody responses. At the hematological level, infected animals were found to have significantly increased total lymphocyte and polymorphonuclear leukocyte counts and an augmentation in spleen weight. Seven days after Mycoplasma infection, antibody responses against sheep erythrocytes were considerably diminished, and at days 7 and 14 after infection, phagocytic activity was also reduced. After 1 week of infection, the colloidal carbon clearance pattern was decreased, and during the whole infectious process, anti-Mycoplasma antibody titers were found to be low. Results from this part of research show a persistent infection that does not resolve in a short period, which is associated with a general dysfunction in the immune system and poor immune responses against several different antigens.
journal_name
Int Immunopharmacoljournal_title
International immunopharmacologyauthors
Romero-Rojas A,Ponce-Hernández C,Ciprián A,Estrada-Parra S,Hadden JWdoi
10.1016/s1567-5769(01)00078-9keywords:
subject
Has Abstractpub_date
2001-09-01 00:00:00pages
1679-88issue
9-10eissn
1567-5769issn
1878-1705pii
S1567-5769(01)00078-9journal_volume
1pub_type
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