Breast Cancer and Gilbert’s Syndrome?

So little is known, and much is speculated about Gilbert’s Syndrome!  Please beware before reading this that this cited article notes that the information they discuss results in their speculation that people with Gilbert’s Syndrome may be more likely to get breast cancer. This is not proven, and is an association only.  However, in the interests of offering new information to people with Gilbert’s Syndrome I am sharing this article.

Med Hypotheses. 2011 Aug;77(2):162-4. doi: 10.1016/j.mehy.2011.03.047. Epub 2011 Jun 1.

Is Gilbert syndrome a new risk factor for breast cancer?

Source

Medical School, Universidade de São Paulo, Brazil. rafael.astolfi95@gmail.com

Abstract

Patients with Gilbert syndrome have an impaired function of the enzyme UGT1A1, responsible for the degradation of 4-OH-estrogens. These elements are produced by the degradation of estrogens and are well-known carcinogens. In theory, patients with Gilbert syndrome accumulate 4-OH-estrogens and, therefore, might have a higher risk for breast cancer, especially when exposed to higher levels of estrogens. If this theory is true, a new risk group for breast cancer would be described, producing new insights in breast carcinogenesis.

Copyright © 2011 Elsevier Ltd. All rights reserved.

The menopause as a trigger of Gilbert’s Syndrome symptoms

One of the major roles of the liver is to process hormones.  It is therefore not irrational to suppose that the menopause may have some effect on a woman’s experience of Gilbert’s Syndrome (and vice versa) due to the enormous hormonal changes and fluctuations that cause it.

During the menopause the ovaries are less able than before to respond to the pituitary hormones follicle stimulating hormone (FSH) and luteinising hormone (LH), and so less oestrogen is produced.  Due to the reduction of oestrogen production some androgens that are still produced by the adrenal glands, such as testosterone, are not overridden as they were before the onset of the menopause.

This means there is a major shift in the balance of hormones in the body, with an increase of FSH, LH and androgens for the liver to process.

Scouring the recently published scientific research I could not find any article that had investigated the effects of these changes on people with liver conditions.  Common sense suggests that these changes would be an immense shock to the liver (we only have to look at all the other effects on the body to understand that this is a huge physical change).  As the liver metabolises hormones and deactivates them when they are no longer useful, it has an increased workload with the excess FSH, LH and androgens.  It seems highly possible that this extra strain on the liver of someone with Gilbert’s Syndrome would bring to the fore Gilbert’s Syndrome symptoms that had not previously been recognised when the liver was used to the hormonal balance of the body.

Many symptoms of the menopause and of Gilbert’s Syndrome are very similar and so these symptoms may be enhanced in someone with Gilbert’s Syndrome.  For example, the insomnia or disrupted sleep caused by other menopause symptoms, such as hot flushes, can lead to fatigue and generalised aches and pains, common symptoms of Gilbert’s Syndrome.  Other symptoms common to both include dizziness and difficulty with cognitive tasks, such as concentration and memory.

Finally, a word about medication.  The most commonly used treatment to ease the effects of the menopause is HRT.  As yet, we are not fully aware of the exact effects many medications have in relation to GS.  We know some medications are processed differently by GS sufferers and so anyone taking any medication who has GS should be aware of this.  There is evidence that HRT can affect bile composition (http://hcd2.bupa.co.uk), which may have implications for GS sufferers.  It may, therefore, be worth being aware of these scant facts when consulting the GP, in order for them to give the best possible advice for the individual.

Unfortunately, as yet, there are no answers to the dual problem of the menopause with Gilbert’s Syndrome, apart from the advice to everyone with Gilbert’s Syndrome: to do everything in our power to reduce the workload of our liver

(originally written by contributor Nicola Southworth)

The difference between men and women with gilbert’s syndrome

It is estimated that 3-10% of the general population have Gilbert’s Syndrome. Males are more frequently affected than females (12.4% and 4.8% respectively). Bilirubin concentration in men is significantly higher, which could be because they have a greater bilirubin load per kilo of their bodies.

One trigger for Gilbert’s Syndrome symptoms may be hormone fluctuations such as those which occur during menopause. I’ve also found that monthly cycles can also trigger symptoms. You can read more about how the liver processes hormones here: https://www.amchara.com/hormones/how-liver-function-affects-hormone-balance#Female%20Hormone%20Metabolism