PubMed · 9117663
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I Kato, T Kitaichi. 1996. [Mitral ring abscess].. https://pubmed.ncbi.nlm.nih.gov/9117663/
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Orbital complications due to ethmoiditis are not uncommon in children. However, they are very rare in infants. A case of orbital abscess due to acute ethmoiditis in a 10 days old boy is reported. Causative microorganisms isolated from the operated specimen were Staphylococcus aureus and aspergillosis. Successful outcome was achieved following antimicrobial therapy, external ethmoidectomy, and surgical drainage of the abscess. The aetiopathogenesis and management of this clinical entity is discussed, with a brief review of the literature.
Several proteins of Porphyromonas gingivalis contain multiple copies of a 47 amino acid conserved repeated sequence. A fusion protein was constructed in which the P. gingivalis peptide was fused to the carboxy terminus of the hepatitis B core protein. This fusion protein was expressed in Escherichia coli, purified, and used to vaccinate mice that were later challenged with P. gingivalis W83 using the mouse abscess model. Although the mice were not protected against bacterial challenge, Western blot analysis showed that sera from the mice and from rabbits immunized with the fusion protein reacted with a number of vesicle proteins from P. gingivalis W83. These data suggested that this peptide is recognized by the host's immune system but that the antibodies are not protective.