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Effect of antibiotics on colony formation from mouse granulocyte-macrophage progenitors (CFU-GM), megakaryocyte progenitors (CFU-M) and erythrocyte progenitors (CFU-E, BFU-E) in vitro. 1989

T Maruyama, and F Kobayashi, and K Uchida, and H Hara
Kanzakigawa Laboratory, Shionogi & Co., Ltd., Osaka, Japan.

Mouse bone marrow cells were cultured in vitro in semisolid medium containing various concentrations of beta-lactam antibiotics, moxalactam (LMOX), cefotetan (CTT), flomoxef (FMOX), ceftizoxime (CTZ), cefmenoxime (CMX), cefotasime (CTX), cefamandole (CMD), cefotiam (CTM), carbenicillin (CBPC) or sulbenicillin (SBPC). All of these antibiotics dose-dependently suppressed colony formation from granulocyte or macrophage progenitors (CFU-GM) and from megakaryocyte progenitors (CFU-M). The suppressive potencies of these antibiotics for both progenitors, as evaluated from the drug concentrations that induced 50% suppression of colony formation (IC50), were ranked as the weakest for CBPC and SBPC, moderate for LMOX, CTT, CMX, FMOX and CTZ, and strongest for CMD, CTX and CTM. LMOX, FMOX, CTX, CBPC and SBPC also showed dose-dependent inhibition of colony formation from erythroid progenitors (CFU-E and BFU-E). In the ranking of suppression of colony formation from CFU-E, CMD and CTX showed comparatively strong inhibition but others showed a weak effect, and in that from BFU-E, the effect was weakest for CBPC and SBPC, moderate for LMOX and FMOX, and strongest for CMD and CTX. The suppressive effect of LMOX and CMD on colony formation from each progenitor could almost be prevented by washing the cells after incubation with these antibiotics for 24 hr.

UI MeSH Term Description Entries
D008264 Macrophages The relatively long-lived phagocytic cell of mammalian tissues that are derived from blood MONOCYTES. Main types are PERITONEAL MACROPHAGES; ALVEOLAR MACROPHAGES; HISTIOCYTES; KUPFFER CELLS of the liver; and OSTEOCLASTS. They may further differentiate within chronic inflammatory lesions to EPITHELIOID CELLS or may fuse to form FOREIGN BODY GIANT CELLS or LANGHANS GIANT CELLS. (from The Dictionary of Cell Biology, Lackie and Dow, 3rd ed.) Bone Marrow-Derived Macrophages,Monocyte-Derived Macrophages,Macrophage,Macrophages, Monocyte-Derived,Bone Marrow Derived Macrophages,Bone Marrow-Derived Macrophage,Macrophage, Bone Marrow-Derived,Macrophage, Monocyte-Derived,Macrophages, Bone Marrow-Derived,Macrophages, Monocyte Derived,Monocyte Derived Macrophages,Monocyte-Derived Macrophage
D008297 Male Males
D008533 Megakaryocytes Very large BONE MARROW CELLS which release mature BLOOD PLATELETS. Megakaryocyte
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D010406 Penicillins A group of antibiotics that contain 6-aminopenicillanic acid with a side chain attached to the 6-amino group. The penicillin nucleus is the chief structural requirement for biological activity. The side-chain structure determines many of the antibacterial and pharmacological characteristics. (Goodman and Gilman's The Pharmacological Basis of Therapeutics, 8th ed, p1065) Antibiotics, Penicillin,Penicillin,Penicillin Antibiotics
D002511 Cephalosporins A group of broad-spectrum antibiotics first isolated from the Mediterranean fungus ACREMONIUM. They contain the beta-lactam moiety thia-azabicyclo-octenecarboxylic acid also called 7-aminocephalosporanic acid. Antibiotics, Cephalosporin,Cephalosporanic Acid,Cephalosporin,Cephalosporin Antibiotic,Cephalosporanic Acids,Acid, Cephalosporanic,Acids, Cephalosporanic,Antibiotic, Cephalosporin,Cephalosporin Antibiotics
D003114 Colony-Forming Units Assay A cytologic technique for measuring the functional capacity of stem cells by assaying their activity. Clonogenic Cell Assay,Stem Cell Assay,Clonogenic Cell Assays,Colony Forming Units Assays,Colony-Forming Units Assays,Stem Cell Assays,Assay, Clonogenic Cell,Assay, Colony-Forming Units,Assay, Stem Cell,Assays, Clonogenic Cell,Assays, Colony-Forming Units,Assays, Stem Cell,Colony Forming Units Assay
D004912 Erythrocytes Red blood cells. Mature erythrocytes are non-nucleated, biconcave disks containing HEMOGLOBIN whose function is to transport OXYGEN. Blood Cells, Red,Blood Corpuscles, Red,Red Blood Cells,Red Blood Corpuscles,Blood Cell, Red,Blood Corpuscle, Red,Erythrocyte,Red Blood Cell,Red Blood Corpuscle
D006098 Granulocytes Leukocytes with abundant granules in the cytoplasm. They are divided into three groups according to the staining properties of the granules: neutrophilic, eosinophilic, and basophilic. Mature granulocytes are the NEUTROPHILS; EOSINOPHILS; and BASOPHILS. Granulocyte
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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