More on Melatonin.

This is a blog I posted last year about the cancer preventative actions of Melatonin. I have had a very positive response of my blog last week about Melatonin and memory. I have started Melatonin 4 mg SR as well (Follow my own advice).

. Melatonin: An Anti-Tumor Agent in Hormone-Dependent Cancers.

Nov 11

Posted by Dr Colin Holloway

I have discussed the benefits of melatonin many times. One of its major benefits is its anti cancer properties. It is also very safe and natural to the body.

Int J Endocrinol. 2018 Oct 2;2018:3271948. doi: 10.1155/2018/3271948. eCollection 2018.

Melatonin: An Anti-Tumor Agent in Hormone-Dependent Cancers.

Menéndez-Menéndez J1, Martínez-Campa C1.

Author information

Abstract

Melatonin (N-acetyl-5-methoxytryptamine) is a hormone synthesized and secreted by the pineal gland mainly during the night, since light exposure suppresses its production. Initially, an implication of this indoleamine in malignant disease was described in endocrine-responsive breast cancer. Data from several clinical trials and multiple experimental studies performed both in vivo and in vitro have documented that the pineal hormone inhibits endocrine-dependent mammary tumors by interfering with the estrogen signaling-mediated transcription, therefore behaving as a selective estrogen receptor modulator (SERM). Additionally, melatonin regulates the production of estradiol through the control of the enzymes involved in its synthesis, acting as a selective estrogen enzyme modulator (SEEM). Many more mechanisms have been proposed during the past few years, including signaling triggered after activation of the membrane melatonin receptors MT-1 and MT-2, or else intracellular actions targeting molecules such as calmodulin, or binding intranuclear receptors. Similar results have been obtained in prostate (regulation of enzymes involved in androgen synthesis and modulation of androgen receptor levels and activity) and ovary cancer. Thus, tumor metabolism, gene expression, or epigenetic modifications are modulated, cell growth is impaired and angiogenesis and metastasis are inhibited. In the last decade, many more reports have demonstrated that melatonin is a promising adjuvant molecule with many potential beneficial consequences when included in chemotherapy or radiotherapy protocols designed to treat endocrine-responsive tumors. Therefore, in this state-of-the-art review, we aim to compile the knowledge about the oncostatic actions of the indoleamine in hormone-dependent tumors, and the latest findings concerning melatonin actions when administered in combination with radio- or chemotherapy in breast, prostate, and ovary cancers.

As melatonin has no toxicity, it may be well deserve to be considered as an endogenously generated agent helpful in cancer prevention and treatment

About Dr Colin Holloway

Gp interested in natural hormone treatment for men and women of all ages

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