Pyruvate dehydrogenase complex ( Animation ) - Mechanism , Regulation and inhibitors : USMLE Step 1
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📌 𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:-
📌 𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:- Instagram: drgbhanuprakash
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Pyruvate dehydrogenase complex - steps, regulation, and inhibitors
The Pyruvate Dehydrogenase (PDH) complex plays a pivotal role in cellular metabolism, acting as a critical bridge between glycolysis and the Krebs cycle. This enzyme complex catalyzes the conversion of pyruvate, derived from glucose, into acetyl-CoA, a substrate vital for the Krebs cycle in the mitochondria, thereby linking the anaerobic and aerobic pathways of glucose metabolism. Regulation of the PDH complex is finely tuned through a balance of phosphorylation by specific kinases (inactivating the complex) and dephosphorylation by phosphatases (activating the complex), ensuring that the energy production is adjusted according to cellular needs. Moreover, the activity of the PDH complex is modulated by various inhibitors, including products of its reaction like acetyl-CoA and NADH, which act through feedback inhibition to prevent overaccumulation of acetyl-CoA in the mitochondria. Additionally, certain dietary constituents and toxic compounds can inhibit PDH, affecting energy metabolism and leading to metabolic disorders. Understanding the steps, regulation, and inhibitors of the PDH complex is essential for grasping how cells manage energy production and maintain metabolic balance, making it a fundamental concept in biochemistry and medical studies.
#PyruvateDehydrogenase #CellularMetabolism #Biochemistry #KrebsCycle #EnergyProduction #MetabolicRegulation #PDHComplex #AcetylCoA #GlucoseMetabolism #MedicalEducation #pdhcomplex #pyruvatedehydrogenasecomplexmechanism #pyruvatedehydrogenase #usmlestep1 #usmle #mbbs #biochemistry #biochemistryanimatedvideos #animatedmedicalvideos #usmlestep1videos #usmlevideos #usmlebiochemlectures #pdhcomplexanimation #neetpgbiochemistry #biochemistryforneetpg #usmlebiochemistry #mbbsbiochemistry #biochemistryanimations #medicalstudents #medicalcollege #mbbslectures #nationalexittest #nationalexitexam
📌𝗝𝗼𝗶𝗻 𝗢𝘂𝗿 𝗧𝗲𝗹𝗲𝗴𝗿𝗮𝗺 𝗖𝗵𝗮𝗻𝗻𝗲𝗹 𝗛𝗲𝗿𝗲:- https://t.me/bhanuprakashdr
📌𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗯𝗲 𝗧𝗼 𝗠𝘆 𝗠𝗮𝗶𝗹𝗶𝗻𝗴 𝗟𝗶𝘀𝘁:- https://linktr.ee/DrGBhanuprakash
Pyruvate dehydrogenase complex - steps, regulation, and inhibitors
The Pyruvate Dehydrogenase (PDH) complex plays a pivotal role in cellular metabolism, acting as a critical bridge between glycolysis and the Krebs cycle. This enzyme complex catalyzes the conversion of pyruvate, derived from glucose, into acetyl-CoA, a substrate vital for the Krebs cycle in the mitochondria, thereby linking the anaerobic and aerobic pathways of glucose metabolism. Regulation of the PDH complex is finely tuned through a balance of phosphorylation by specific kinases (inactivating the complex) and dephosphorylation by phosphatases (activating the complex), ensuring that the energy production is adjusted according to cellular needs. Moreover, the activity of the PDH complex is modulated by various inhibitors, including products of its reaction like acetyl-CoA and NADH, which act through feedback inhibition to prevent overaccumulation of acetyl-CoA in the mitochondria. Additionally, certain dietary constituents and toxic compounds can inhibit PDH, affecting energy metabolism and leading to metabolic disorders. Understanding the steps, regulation, and inhibitors of the PDH complex is essential for grasping how cells manage energy production and maintain metabolic balance, making it a fundamental concept in biochemistry and medical studies.
#PyruvateDehydrogenase #CellularMetabolism #Biochemistry #KrebsCycle #EnergyProduction #MetabolicRegulation #PDHComplex #AcetylCoA #GlucoseMetabolism #MedicalEducation #pdhcomplex #pyruvatedehydrogenasecomplexmechanism #pyruvatedehydrogenase #usmlestep1 #usmle #mbbs #biochemistry #biochemistryanimatedvideos #animatedmedicalvideos #usmlestep1videos #usmlevideos #usmlebiochemlectures #pdhcomplexanimation #neetpgbiochemistry #biochemistryforneetpg #usmlebiochemistry #mbbsbiochemistry #biochemistryanimations #medicalstudents #medicalcollege #mbbslectures #nationalexittest #nationalexitexam
5 سال پیش
در تاریخ 1398/03/19 منتشر شده
است.
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