Search PubMed⌕ Search

Biomedical subjects

N Yoshida

Publications and source records attributed to N Yoshida.

At least 685 records · Page 38Linked to original sources
PubMed1975

Studies on gonococcal infection. I. Electron microscopic studies on phagocytosis of Neisseria gonorrhoeae by macrophages.

Macrophages from mice were infected with Neisseria gonorrhoeae type 1 cells, and their ultrastructure was studied by electron microscopy. The macrophages showed various stages of engulfment and digestion of gonococci 2 hr after infection. Infected macrophages seemed to develop pseudopodia for phagocytosis, and could engulf more than 30 gonococcal cells. Some engulfed bacteria appeared morphologically intact, while others appeared lysed and some structures resembling the L form of N. gonorrhoeae were also seen. These observations suggest that gonococcal cells may be able to survive intracellularly with normal or altered forms of morphology, and that macrophages containing these bacteria may disseminate gonococcal infection in man.

Animals↗
PubMed1975

A macromolecule-free partially defined medium for Trypanosoma cruzi.

A macromolecule-free medium, containing in its defined part 3 salts, glucose, hemin, 21 amino acids, 3 lipids, and some undefined components obtained by dialysis of liver infusion, was developed for serial cultivation of Trypanosoma cruzi at 28 C. The medium allows prolonged cultivation of T. cruzi by serial transfers and growth comparable to that obtained in more complex media, including those containing blood serum.

Amino Acids↗