Glucose Homeostasis – Endocrine Pancreatic Hormones

by Carlo Raj, MD

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    Let’s talk about glucose homeostasis. The way that this was set us up is that if you take a look at the picture, on the left will be that which is going to inhibit the release of insulin. On the right, that path is going to promote the release of insulin. On your left, low blood glucose means fasting or fed? Just simple things that you want to know for language. This is fasting state. On the right, high blood glucose, this is the fed state. So, you already know if you are fasting, you are not going to be releasing insulin, you are going to be releasing glucagon. Where does glucagon come from? Alpha Islet cell. What does it do? It stimulates the liver to do-to bring about gluconeogenesis so that you can raise your glucose back to normal in your circulation. That is the convergent point at the bottom of the picture, that tube that you are seeing there is a blood vessel; in other words plasma. On the right, you have fed state. So, you had that piece of chocolate, you had that piece of bread, high blood glucose. We just got down discussing how glucose passes through glucose transporter, bring about ATP blockage of a potassium channel, increase actual potential, Voltage-gate calcium channel, there it comes and binds your vesicles to the membrane, out comes the insulin and that insulin is going to do what? It is going to then remove the glucose out of circulation. Not only will it do that but if you keep eating carbohydrates, right, keep eating, what then happens? Well, you are going to store… you are going to store some of this in your adipocytes. Insulin effect, mostly anabolic, increase glucose uptake by cells, glycogen synthesis because you want to...

    About the Lecture

    The lecture Glucose Homeostasis – Endocrine Pancreatic Hormones by Carlo Raj, MD is from the course Pancreatic Disease & Diabetes.

    Included Quiz Questions

    1. Increased glycolysis
    2. Increased serum glucagon
    3. Increased glycogenolysis
    4. Increased lipolysis
    5. Increased gluconeogenesis
    1. Decreased lipolysis
    2. Increased glycogen synthesis
    3. Increased glycolysis
    4. Decreased gluconeogenesis
    5. Decreased glycogenolysis
    1. TSH
    2. Epinephrine
    3. Glucagon
    4. GH
    5. Cortisol

    Author of lecture Glucose Homeostasis – Endocrine Pancreatic Hormones

     Carlo Raj, MD

    Carlo Raj, MD

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    By Lorena P. on 21. February 2017 for Glucose Homeostasis – Endocrine Pancreatic Hormones

    Excellent explanation, detailed enough to understand the main pathways and its regulation