Elevated estrogen levels are linked to lowered alkaline phosphatase.
Evidence demonstrates that elevated estrogen levels actually increase or stimulate alkaline phosphatase activity rather than lowering it.
The claim states that elevated estrogen levels lower alkaline phosphatase. However, multiple experimental and in vitro studies show that estrogens stimulate or upregulate alkaline phosphatase activity in bone, intestinal, and cancer cell models. Therefore, the evidence clearly refutes the claim.
Ryo Okazaki, Daisuke Inoue, Minako Shibata, Mieko Saika, Shinsuke Kido, H Ooka, Hirofumi Tomiyama, Yoshikazu Sakamoto, Toshio Matsumoto. Estrogen Promotes Early Osteoblast Differentiation and Inhibits Adipocyte Differentiation in Mouse Bone Marrow Stromal Cell Lines that Express Estrogen Receptor (ER) α or β. 2002. https://doi.org/10.1210/endo.143.6.8854
Estrogen treatment (17 beta-estradiol) enhances alkaline phosphatase activity in osteoblastic and bone marrow stromal cells.
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Kanakaraju Kaliannan, Ruairi C. Robertson, Kiera Murphy, Catherine Stanton, Chao Kang, Bin Wang, Lei Hao, Atul K. Bhan, Jing X. Kang. Estrogen-mediated gut microbiome alterations influence sexual dimorphism in metabolic syndrome in mice. 2018. https://doi.org/10.1186/s40168-018-0587-0
Intestinal alkaline phosphatase expression and activity are upregulated by 17beta-estradiol.
Christian F. Holinka, Hiroki Hata, Hiroyuki Kuramoto, Erlio Gurpide. Effects of steroid hormones and antisteroids on alkaline phosphatase activity in human endometrial cancer cells (Ishikawa line).. 1986. https://openalex.org/W2147077287
Alkaline phosphatase activity in estrogen-responsive endometrial cancer cells is markedly stimulated by estrogens.
Robert J. Majeska, James T. Ryaby, Thomas A. Einhorn. Direct modulation of osteoblastic activity with estrogen.. 1994. https://doi.org/10.2106/00004623-199405000-00013
Estrogen treatment coordinately increases alkaline phosphatase activity in murine osteoblastic cells.
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