The mode of action of dysentery toxin

1958 ◽  
Vol 45 (2) ◽  
pp. 184-188
Author(s):  
I. P. Miagkaia
Keyword(s):  
Mode Of Action ◽  
Dysentery Toxin

Effects of 5-5'-Diphenyl-2-thiohydantoin (DPTH) and Thyroxine on the Ultrastructure and Chemical Composition of Rat Liver

1971 ◽  
Vol 29 ◽  
pp. 570-571
Author(s):  
E. A. Elfont ◽  
R. B. Tobin ◽  
D. G. Colton ◽  
M. A. Mehlman
Keyword(s):  
Chemical Composition ◽  
Rat Liver ◽  
Future Study ◽  
Mode Of Action ◽  
Liver Mitochondria ◽  
Rat Liver Mitochondria ◽  
Effective Inhibitor ◽  
Biochemical Effects ◽  
Glycerophosphate Dehydrogenase ◽  
Stimulation Of

Summary5,-5'-diphenyl-2-thiohydantoin (DPTH) is an effective inhibitor of thyroxine (T4) stimulation of α-glycerophosphate dehydrogenase in rat liver mitochondria. Because this finding indicated a possible tool for future study of the mode of action of thyroxine, the ultrastructural and biochemical effects of DPTH and/or thyroxine on rat liver mere investigated.Rats were fed either standard or DPTH (0.06%) diet for 30 days before T4 (250 ug/kg/day) was injected. Injection of T4 occurred daily for 10 days prior to sacrifice. After removal of the liver and kidneys, part of the tissue was frozen at -50°C for later biocheailcal analyses, while the rest was prefixed in buffered 3.5X glutaraldehyde (390 mOs) and post-fixed in buffered 1Z OsO4 (376 mOs). Tissues were embedded in Araldlte 502 and the sections examined in a Zeiss EM 9S.Hepatocytes from hyperthyroid rats (Fig. 2) demonstrated enlarged and more numerous mitochondria than those of controls (Fig. 1). Glycogen was almost totally absent from the cytoplasm of the T4-treated rats.

Mode of action of 6-oxophenolic triterpenoids against Bacillus subtilis

Planta Medica ◽  
2007 ◽  
Vol 73 (09) ◽  
Author(s):  
L Moujir ◽  
L de León ◽  
IL Bazzocchi
Keyword(s):  
Bacillus Subtilis ◽  
Mode Of Action

Insulinomimetic properties of trace elements and characterization of their in vivo mode of action

Diabetes ◽  
1990 ◽  
Vol 39 (10) ◽  
pp. 1243-1250 ◽  
Author(s):  
L. Rossetti ◽  
A. Giaccari ◽  
E. Klein-Robbenhaar ◽  
L. R. Vogel
Keyword(s):  
Trace Elements ◽  
Mode Of Action
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