产品
编 号：F759167
分子式：C14H19ClN4O3
分子量：326.78
分子式：C14H19ClN4O3
分子量：326.78
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CAS No: 60834-30-2
产品详情
生物活性：
Trimethoprim hydrochloride is a bacteriostatic antibiotic and an orally active dihydrofolate reductase inhibitor. Trimethoprim hydrochloride is active against a wide range of Gram-positive and Gram-negative aerobic bacteria. Trimethoprim hydrochloride has the potential for the research of urinary tract infections, Shigellosis and Pneumocystis pneumonia. Trimethoprim hydrochloride can inhibit infection of Influenza A virus in chick embryo when combinated with zinc.
体内研究：
Trimethoprim (10 mg/kg; i.v.; once every 12 h; 3 d) shows antibacterial activity against H. influenzae, S. pneumoniae, E. coli and N. meningitidis in infected mice.Trimethoprim can be connected with the thiomaltose (TM-TMP) and shows stability with a half-life of about 1 hour in complete serum, and has an MIC value around 1 μM against E. coli.Trimethoprim (10 mg/mL; 0.5 mL; inject with Trimethoprim-Zn combined suspension) decreases the virus titer and increases the survival rate of chicken embryo.Animal Model:Female C3H/HeOuJ mice (transurethrally infected with a 50 μL suspension containing 1-2×107 CFU of E. coli under 3% isoflurane)
Dosage:10 mg/kg
Administration:i.v.; once every 12 h; for 3 d
Result:Showed antibacterial activity against H. influenzae, S. pneumoniae, E. coli and N. meningitidis with CD50s of 150 mg/kg, 335 mg/kg, 27.5 mg/kg and 8.4 mg/kg, respectively in infected mice.
Animal Model:Fertilized eggs (injected H3N2 virus into amniotic and allantoic space at day 8)
Dosage:10 mg/mL; 0.5 mL
Administration:The Trimethoprim-Zn combined suspension was injected into the air sac; single dosage
Result:Decreased the virus titer and increased the survival rate of chicken embryo.The survival rate peaked at ratio about 0.18 (Zn/Trimethoprim).
体外研究：
Trimethoprim interrupts folate metabolism by inhibition of the activity of dihydrofolase reductase (DHFR), which reduces dihydrofolate to tetrahydrofolate (THF).Trimethoprim (3 μg/mL; 1 h) induces protein aggregation and main heat shock proteins (Hsps) in E. coli cells, which indicates that Trimethoprim sulfate presence leads to protein misfolding.Trimethoprim (1.5-3 μg/mL; 1 h) causes induction of DnaK, DnaJ, GroEL, ClpB, and IbpA/B Hsps in E. coli cells exposed to folate and heat stress.
Trimethoprim hydrochloride is a bacteriostatic antibiotic and an orally active dihydrofolate reductase inhibitor. Trimethoprim hydrochloride is active against a wide range of Gram-positive and Gram-negative aerobic bacteria. Trimethoprim hydrochloride has the potential for the research of urinary tract infections, Shigellosis and Pneumocystis pneumonia. Trimethoprim hydrochloride can inhibit infection of Influenza A virus in chick embryo when combinated with zinc.
体内研究：
Trimethoprim (10 mg/kg; i.v.; once every 12 h; 3 d) shows antibacterial activity against H. influenzae, S. pneumoniae, E. coli and N. meningitidis in infected mice.Trimethoprim can be connected with the thiomaltose (TM-TMP) and shows stability with a half-life of about 1 hour in complete serum, and has an MIC value around 1 μM against E. coli.Trimethoprim (10 mg/mL; 0.5 mL; inject with Trimethoprim-Zn combined suspension) decreases the virus titer and increases the survival rate of chicken embryo.Animal Model:Female C3H/HeOuJ mice (transurethrally infected with a 50 μL suspension containing 1-2×107 CFU of E. coli under 3% isoflurane)
Dosage:10 mg/kg
Administration:i.v.; once every 12 h; for 3 d
Result:Showed antibacterial activity against H. influenzae, S. pneumoniae, E. coli and N. meningitidis with CD50s of 150 mg/kg, 335 mg/kg, 27.5 mg/kg and 8.4 mg/kg, respectively in infected mice.
Animal Model:Fertilized eggs (injected H3N2 virus into amniotic and allantoic space at day 8)
Dosage:10 mg/mL; 0.5 mL
Administration:The Trimethoprim-Zn combined suspension was injected into the air sac; single dosage
Result:Decreased the virus titer and increased the survival rate of chicken embryo.The survival rate peaked at ratio about 0.18 (Zn/Trimethoprim).
体外研究：
Trimethoprim interrupts folate metabolism by inhibition of the activity of dihydrofolase reductase (DHFR), which reduces dihydrofolate to tetrahydrofolate (THF).Trimethoprim (3 μg/mL; 1 h) induces protein aggregation and main heat shock proteins (Hsps) in E. coli cells, which indicates that Trimethoprim sulfate presence leads to protein misfolding.Trimethoprim (1.5-3 μg/mL; 1 h) causes induction of DnaK, DnaJ, GroEL, ClpB, and IbpA/B Hsps in E. coli cells exposed to folate and heat stress.
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