The hormonal therapy for cancer has become a household name and the series of experiments performed leading to the discovery of hormones use in the treatments of breast cancer. The hormones like antiestrogen, aromatase restrictors, antiandrogens, and use of extremely strong luteinizing hormone-releasing hormone agonists to perform a "medical hypophysectomy" because of their ability of causing desensitization in the pituitary gland have proven their value in the treatment of cancers over the last two decades. Millions of women still use hormonal therapy for menopause symptoms. Estrogen plus progestin or estrogen separately utilized as a menopause hormonal therapy throughout the world. Women receiving different premenopausal and postmenopausal hormonal therapies are on higher risk of having ovarian cancer. The risk of ovarian cancer did not increase with the increase of duration of hormonal therapy. Postmenopausal hormone use was found to be inversely related to major colorectal adenomas.
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http://dx.doi.org/10.1007/978-3-031-27156-4_6 | DOI Listing |
Front Endocrinol (Lausanne)
January 2025
Department of Reproductive Health and Infertility, Zigong Maternal and Child Health Hospital, Zigong, Sichuan, China.
Introduction: The polyspermy rate is a quality control indicator in the embryology laboratory, and factors affecting polyspermy are of great interest. The gonadotropin-releasing hormone (GnRH) antagonist protocol is currently the mainstream protocol in most reproductive centers. This study explored the factors influencing polyspermy in fertilization (IVF) using the GnRH antagonist protocol and considered corresponding improvement measures.
View Article and Find Full Text PDFPhagocytic clearance of apoptotic cancer cells (efferocytosis) by tumor-associated macrophages (TAMs) contributes in a substantial manner to the establishment of an immunosuppressive tumor microenvironment. This puts in context our observation that the female steroid hormone 17β-estradiol (E2) facilitates tumor immune resistance through cancer cell extrinsic Estrogen Receptor (ERalpha;) signaling in TAMs. Notable was the finding that E2 induces the expression of CX3CR1 in TAMs to enable efferocytosis of apoptotic cancer cells which results in the suppression of type I interferon (IFN) signaling.
View Article and Find Full Text PDFUnlabelled: Regulatory T cells (T cells) play a critical role in suppressing anti-tumor immunity, often resulting in unfavorable clinical outcomes across numerous cancers. However, systemic T depletion, while augmenting anti-tumor responses, also triggers detrimental autoimmune disorders. Thus, dissecting the mechanisms by which T cells navigate and exert their functions within the tumor microenvironment (TME) is pivotal for devising innovative T -centric cancer therapies.
View Article and Find Full Text PDFFront Immunol
January 2025
Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China.
Introduction: The relationship between immune-related thyroid dysfunction (irTD) and survival rates in cancer patients remains unclear. Furthermore, the impact of variations in immunotherapy line numbers and pathological types among lung cancer patients on this relationship has not been fully elucidated. This study aims to evaluate the potential of irTD as a prognostic marker for immunotherapy in Chinese patients with lung cancer.
View Article and Find Full Text PDFFront Immunol
January 2025
Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, Jilin, China.
The treatment of fungal keratitis(FK) remains challenging due to delayed fungal detection and the limited effectiveness of antifungal drugs. Fungal infection can activate both innate and adaptive immune responses in the cornea. Fungi stimulate the production of oxidative stress-related biomarkers and mediate the infiltration of neutrophils, macrophages, and T cells.
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