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Questions tagged [insulin]

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Would intravenous insulin + glucose significantly accelerate glycogen synthesis?

Would an intravenous injection of insulin + glucose result in significantly quicker replenishment of exhausted glycogen stores than an injection of glucose alone? This is a strictly theoretical ...
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Dangers of excess blood protein? [closed]

Like glucose, amino acids are also insulinogenic as well. So, presumably, just like glucose, the body would also like to keep amino acids levels in the blood stream below (or within) some certain ...
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sweet receptor's affect on insulin release

So I understand the basics of how the body releases insulin to keep blood glucose levels in check and (loosely) that higher insulin levels can lead to more (or at a faster rate) glucose being stored ...
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1answer
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Full name for stem cells

So during research, my professor mentioned a type of stem cell, a name that was like 5-6 words long, that can be used to treat diabetes by creating an "artificial organ". That hypothetical organ would ...
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1answer
182 views

Is the Insulin Receptor Considered an Enzyme?

Can we consider insulin receptor an enzyme? In other words, does the insulin receptor have enzymatic characteristics?
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1answer
87 views

The insulin protein of apes & chimpanzees [closed]

How many amino acids do the insulin protein of apes and chimanpzees compose of?!
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1answer
4k views

Why doesn't glucagon promote glycogenolysis in muscle?

Insulin stimulates glycogenesis in both liver and in muscles. Epinephrine stimulates glycogenolysis in both liver and muscles. But glucagon stimulates glycogenolysis in liver only. Why is this so?
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1answer
279 views

Activation of Glycogen Synthesis by Insulin - mechanism and cellular location?

My textbook states the following... Insulin activates enzymes that convert glucose to glycogen. Does this conversion occur inside or outside the liver and muscle ...
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1answer
2k views

Why do some tissues have insulin-dependent glucose transporters and others not?

Insulin upregulates GLUT-4 glucose transporter insertion in skeletal muscle and adipose tissue. But there are many tissues in the body that use insulin-independent glucose transporters (like GLUT-3 in ...
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37 views

What risk does the insulin pump hack carry?

Recently, a OneTouch system was hacked, potentially allowing any malicious attacks, draining the pump into someone's bloodstream: Jay Radcliffe, a diabetic and researcher with cyber security firm ...
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1answer
387 views

Role of the Hypothalmus in the control of Blood Sugar

In homeostatic regulation of blood glucose, the receptor and effector is the Pancreas, but how does the control centre — the Hypothalamus — connect and link into this process?
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0answers
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Is it comfirmed that Alzheimer's is a diabetes of the brain?

I read in this New Scientist report, that the mental decline during diabetes may be an early stage of Alzheimer's. The hypothesis was based on a study with 20 rats. Has there been any follow up ...
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3answers
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What happens if a non-diabetic receives an injection of insulin?

If a person without diabetes or any diabetes-related issues receives an injection of insulin, what happens? Would the blood glucose level drop or does the body naturally compensate for the added ...
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1answer
225 views

Which of the three is true for insulin receptors?

I have seen the following question in a Cell Biology exam: Which of the following is true" Insulin has an hydrophobic Signal Peptide and the insulin receptor does not have an hydrophobic Signal ...
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Is Insulin-Glucose dynamic Lotka-Volterra?

From Wikipedia: The Lotka–Volterra equations, also known as the predator–prey equations, are a pair of first-order, non-linear, differential equations frequently used to describe the dynamics of ...
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1answer
379 views

If eating 100% fat 2 times more worth the energy I spend during the day, will I store body fat?

So in theory, insulin hormone is the one that tells the body "eat more. don't burn body fat". Alongside with glucose blood level regulation and turning excessive glucose into liver (which later goes ...
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1answer
155 views

Do blood glucose “spikes” contribute to insulin resistance, or is prolonged elevation required?

There's increasing public discussion about the health risks of chronic insulin resistance* (IR). In many cases there's a focus on high glycemic index foods that "spike" your blood sugar, which implies ...
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1answer
697 views

Production of processed Insulin in bacteria

Genetically-engineered bacteria are used to produce insulin in industry, but as far as I know, the bacteria can produce only proinsulin. Why is that? What happens in the human body in order to make ...