Oxacillin hmoov

Oxacillin hmoovyog penicillin - hom tshuaj tua kab mob siv los kho cov kab mob kab mob. Nws belongs rau beta-lactam chav kawm ntawm cov tshuaj tua kab mob thiab tshwj xeeb yog penicillinase- tiv taus penicillin, txhais tau tias nws tuaj yeem tua cov kab mob uas tsim cov enzyme (penicillinase) uas ib txwm ua rau cov tshuaj tua kab mob xws li amoxicillin. Cov khoom no siv nws cov tshuaj tua kab mob los ntawm kev khi rau penicillin -binding proteins (PBPs), uas yog cov enzymes tseem ceeb hauv cov kab mob ntawm cov phab ntsa ntawm cov kab mob. Los ntawm inhibiting PBPs, oxacillin cuam tshuam tus ntoo khaub lig-txuas ntawm peptidoglycan chains, ua rau cell phab ntsa instability thiab kab mob lysis. Tsis zoo li tej yam ntuj tso penicillins, cov khoom no tiv taus kev degradation los ntawm beta-lactamase enzymes tsim los ntawm qee hom kab mob, tshwj xeeb tshaj yog Staphylococcus aureus.

Shaanxi Medibridge Biotech Co., Ltd. tsom rau kev muab cov khoom siv tshuaj raw khoom thiab kev tshawb fawb- siv cov khoom sib txuas. Peb txhawb cov neeg siv khoom nrog kev ruaj khov zoo, kev sib txuas lus meej meej, kev xaiv ntim tau yooj yim, thiab cov ntaub ntawv - cuam tshuam txog kev txhawb nqa rau theem sib txawv.

Oxacillin ua raws li cov qauv sib piv ntawm D-alanyl-D-alanine, xaiv khi rau cov nquag ua haujlwm -site serine residues ntawm Penicillin yam tseem ceeb-Kev khi Proteins (PBPs, feem ntau yog PBP1, PBP3}, thiab PBP2. Qhov no covalent binding irreversibly inhibits transpeptidase kev ua, thaiv cov peptide cross-txuas ntawm peptidoglycan chains uas nyob ib sab thaum lub sij hawm cell phab ntsa synthesis. Qhov tshwm sim ntawm cov txheej txheem tsis muaj zog ua rau osmotic o, membrane rupture, thiab ua kom cov endogenous autolytic enzymes.

Tsis zoo li cov qauv penicillins, Oxacillin suav nrog cov khoom loj 5-methyl-3-phenyl-1,2-oxazole-4-carbonyl sab saw txuas rau nws 6-aminopenicillanic acid (6-APA) core. Qhov kev teeb tsa spatial no ua rau muaj kev cuam tshuam loj heev nyob ib puag ncig lub nplhaib -lactam, tiv thaiv lub cev tiv thaiv staphylococcal -lactamases (penicillinases) los ntawm kev nkag mus thiab hydrolyzing amide daim ntawv cog lus. Yog li ntawd, nws khaws cov tshuaj tua kab mob muaj zog tiv thaiv kab mob penicillinase, uas tiv thaiv kab mob penicillin.

Phenotypic Classification: Ua hauj lwm raws li tus qauv siv tshuaj tua kab mob hauv kev soj ntsuam susceptibility kom sib txawv Methicillin -Susceptible Staphylococcus aureus (MSSA) los ntawm Methicillin-Resistant Staphylococcus aureus (MRSA).

Resistance Benchmarking: Siv los ua tus cim taw qhia rau kev txiav txim siab yam tsawg kawg nkaus inhibitory concentration (MIC) txiav tawm hauv kev soj ntsuam cais tawm profileing thiab kev tshawb fawb txog kabmob kis.

Targeting mecA Kev nthuav qhia: Ua hauj lwm hauv kev tshawb fawb soj ntsuam MRSA hom kab mob uas qhia txog PBP2a (los yog PBP2'), qis -kev sib raug zoo transpeptidase tau muab los ntawm mecA lossis mecC noob.

Inhibitor Kev Ntsuam Xyuas: Ua haujlwm raws li tus neeg saib xyuas kev tswj hwm hauv crystallographic thiab biochemical kev soj ntsuam txhawm rau txheeb xyuas cov allosteric modulators lossis cov khoom sib xyaw tshiab uas rov qab PBP2a rhiab heev rau -lactam tshuaj tua kab mob.

Adjuvant Evaluation: Feem ntau siv rau hauv checkerboard synergy kev soj ntsuam nrog ntuj rho tawm, cog polyphenols, los yog nanoparticles los txheeb xyuas cov neeg sib tw uas txo Oxacillin MICs tiv thaiv resistant hom.

Efflux Pump Kev Tshawb Fawb: Siv rau hauv kev tshuaj ntsuam xyuas cov kab mob ntau yam tshuaj tiv thaiv kab mob (MDR) efflux twj tso kua mis (xws li, NorA) los ntawm kev ntsuas cov kev hloov pauv ntawm kev raug mob ntawm cov neeg sib tw inhibitors.

Plasmid Selection Marker: Ua haujlwm raws li tus neeg sawv cev xaiv rau kev tswj xyuas cov plasmids recombinant uas muaj -lactamase resistance genes (bla) hauv Gram- cov kab mob zoo kab mob.

Cell Envelope Stress Induction: Siv nyob rau hauv molecular noob caj noob ces los ua rau cov kab mob ntawm phab ntsa ntawm phab ntsa kev nyuaj siab- teb txoj hauv kev rau kev kawm lub hnab ntawv homeostasis.