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Diabetes drug could be the first to reverse the disease

Discussion in 'Other Health News and Research' started by svetoslav80, Mar 28, 2017.

  1. svetoslav80

    svetoslav80 svetoslav80 at


    By Andy Coghlan

    No insulin injections, no avoiding sugar. A daily drug can reverse diabetes symptoms in mice, opening up the possibility of a much easier way for diabetics to keep their blood sugar level within safe limits.

    In 2016, the number of people living with diabetes in the UK surpassed 4 million – an increase of 65 per cent over the course of a decade. Some 3.5 million have been diagnosed, but 550,000 are thought to have undiagnosed type 2 diabetes, which is linked to being overweight, and can develop later in life.

    Many people develop type 2 diabetes as they age, as their body’s response to insulin – a hormone that controls how much sugar circulates in our blood – gets weaker. Some people can manage their symptoms by sticking to a restrictive diet, or using drugs to remove sugar from their system, although many of these have side effects, such as weight gain or diarrhoea.

    These drugs can only help manage the disease – they cannot reverse it. “We don’t have anything that can overcome insulin resistance,” says Emily Burns of the charity Diabetes UK. As a result, many people end up having to inject insulin to make sure excess sugar is removed from their blood. Left untreated, type 2 diabetes can lead to heart and kidney disease, nerve damage, foot ulcers and vision problems.

    A daily pill
    A daily pill that restores the body’s sensitivity to insulin may make it easier to control the diabetes boom in rich nations where obesity is on the rise. Stephanie Stanford of the University of California, San Diego, and her team have found that giving mice with diabetes a drug that affects insulin signalling restores their ability to control their blood sugar levels.

    The drug was given daily, by mouth, and did not seem to have any side effects in the mice. The animals had developed the condition after a high-fat diet had made them obese.

    “This could lead to a new therapeutic strategy for treating type 2 diabetes,” says Stanford, whose team believes that the drug could lead to fewer people with adult-onset diabetes becoming dependent on insulin injections. “If this new drug works as described, it could be used to reverse insulin resistance, but we need to know first if it does that safely in people,” says Burns.

    The drug works by inhibiting an enzyme called low molecular weight protein tyrosine phosphatase (LMPTP), which seems to contribute to cells losing their sensitivity to insulin. By hindering LMPTP, the drug reawakens insulin receptors on the surface of cells – especially in the liver – which normally absorb excess sugar from the blood when they detect insulin.

    Reversing diabetes
    The gene that makes LMPTP has previously been linked with diabetes-like problems in people, prompting the team to investigate further. When the group stopped the gene working in mice, the animals no longer developed diabetes if fed a high-fat diet.

    Just stopping this gene in the liver was enough to produce the same effect. “We found that LMPTP is a critical promoter of insulin resistance that develops during obesity,” says Stanford.

    So the team developed a drug to block the LMPTP enzyme’s actions in the liver. “Our inhibitor increased activation of the insulin receptor in the liver, and reversed diabetes without any apparent negative side effects,” says Stanford.

    “The elegant studies here provide proof of concept that targeting LMPTP in the liver improves glucose control and liver insulin signalling in animals,” says Daniel Drucker of the Lunenfeld-Tanenbaum Research Institute in Toronto, Canada, who says that targeting enzymes like LMPTP has long been a goal for researchers tackling diabetes.

    Targeted treatment
    So far, most of these efforts have focused on another tyrosine phosphatase enzyme, but it has proven difficult to block this without also causing side effects, says Drucker.

    “Our compound is very specific for the target, and we do not see any side effects after treatment in mice for a month, but the next step is to rigorously establish if it’s safe for use in clinical trials,” says Stanford.

    “Finding a way to make cells respond to insulin again is an important and exciting strategy,” says Burns. “So far, the drug has only been tested in mice, and while some research in human genetics suggests this approach could work in people too, we need more research before we know how relevant this could be for people with type 2 diabetes.”

    Stanford’s team is now embarking on safety testing in animals. “The next step towards the clinic is to understand whether the treatment will be safe for people,” she says.
    merylg, Mel9, ScottTriGuy and 3 others like this.
  2. RogerBlack

    RogerBlack Senior Member

    For some, low calorie diet for a short period seems to help.

    Diet and lifestyle
    merylg and ScottTriGuy like this.
  3. anciendaze

    anciendaze Senior Member

    Reduced response to insulin appears in one form of diabetes. I know an individual with type 1 diabetes who is 30 times more sensitive to insulin. Unfortunately, tests for sensitivity to insulin are not run as often as they should be. You need to be certain you are treating the right problem before you make such an intervention.

    I suspect many people here have dysautonomia with increased insulin sensitivity. More often than not the dysautonomia is ascribed to psychological causes. The disease is ignored until it burns out cells in the pancreas, causing diabetes. I believe this type of diabetes is preventable.
    ryan31337 likes this.
  4. Valentijn

    Valentijn Senior Member

    They're rather over-stating things. Type 2 diabetes is an incurable disease, and the figures they show merely reflect good management of an ongoing disease, not "reversal" or "remission".

    Additionally, HbA1c values are still in the diabetic range, albeit in the desired range for diabetics. If the diabetes were "reversed" they should be able to get into the normal range.

    Diet and exercise can help a lot. But there's no indication that those treatments, or any other treatment, allow a diabetic to stop treatments and eat like a healthy person without going back to elevated glucose levels. They have a lifelong medical condition which requires ongoing management, even if for some that management may be as simple as restricting carbs and exercising regularly.
    Last edited: Mar 28, 2017
    Mel9 likes this.
  5. RogerBlack

    RogerBlack Senior Member

    This was not the study I was initially thinking of, which showed reversion of type 2 diabetes with very low calorie diets.
    I believe I was thinking of the research of this group:
    Clearly, there will be variations in response, and some may not 'reset'.
    I have not properly read the above linked papers.
  6. Valentijn

    Valentijn Senior Member

    That one is even worse. It was only 11 patients after 4 left, and 3 of the 4 were kicked out because the researchers assumed their failure to have the right lab values was due to dietary non-compliance.

    To put it bluntly, anyone claiming that any diet can cure diabetes is talking out of their rectum. Masses of diabetics have already tried every diet under the sun, including the extreme ones, and they still have diabetes afterward.
    merylg and Webdog like this.

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