Ovarian Basaloid Carcinoma with Shadow Cell Differentiation by Michal Zamecnik, Daniel Jando, Peter Kascak

“…Cytokeratin 7 and CA125 were positive in scattered cells of the lesion. Estrogen and progesterone receptor, vimentin, and p53 were negative. Beta-catenin showed nuclear and cytoplasmic positivity, indicating possible tumor proliferation/differentiation via Wnt signaling pathway. …”
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Natural History of Invasive Papillary Breast Carcinoma Followed for 10 Years: A Case Report and Literature Review by Yong Joon Suh, Hyukjai Shin, Tae Jung Kwon

“…The tumor was estrogen/progesterone receptor-positive and C-erbB2 expression was not detected. …”
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Association between long-term ambient air pollution exposure and the incidence of breast cancer: A meta-analysis based on updated evidence by Ruohan Wang, Peihan Wang, Yongkang Zhou, Yinan Wang, Chengdong Xu, Zhenbo Wang, Wei Wang

“…The associations of NO2, PM2.5, and PM10 with estrogen/progesterone receptor-positive (ER+/PR+) breast cancer were not significantly different from those with estrogen/progesterone receptor-negative (ER–/PR–) breast cancer. …”
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Primary Acinic Cell Carcinoma of the Breast: A Clinicopathological and Immunohistochemical Study by Kiyoshi Shingu, Tokiko Ito, Gengo Kaneko, Nobuo Itoh

“…The immunohistochemical profile of the tumor was also similar to that of salivary gland acinic cell carcinoma: the tumor cells were positive for amylase, lysozyme, α-1-antichymotrypsin, S-100 protein, and epithelial membrane antigen and negative for estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2. …”
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A Rare Cause of Stroke in Young Adults: Occlusion of the Middle Cerebral Artery by a Meningioma Postpartum by Stéphane Mathis, Benoît Bataille, Samy Boucebci, Marion Jeantet, Jonathan Ciron, Laurène Vandamme, Jean-Philippe Neau

“…We are reporting a case of cerebral infarction due to a sphenoid wing meningothelial meningioma (with progesterone receptor positivity) leading to an occlusion of the middle cerebral artery (MCA) in a 30-year-old right-handed woman (1 month after childbirth). …”
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The mechanism underlying metastasis in triple-negative breast cancer: focusing on the interplay between ferroptosis, epithelial-mesenchymal transition, and non-coding RNAs by Ziyi Chen, Yi Zhao, Yi Zhao

“…Triple-negative breast cancer (TNBC) is a type of breast cancer with lack the expression of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2). …”
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Immunotherapeutic Approaches in Triple-Negative Breast Cancer: State of the Art and Future Perspectives by Karima Oualla, Loay Kassem, Lamiae Nouiakh, Lamiae Amaadour, Zineb Benbrahim, Samia Arifi, Nawfel Mellas

“…Triple-negative breast cancer (TNBC) is characterized by the absence of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2). …”
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Detection of Estrogen Receptor Status in Breast Cancer Cytology Samples by an Optical Nanosensor by Pooja V. Gaikwad, Nazifa Rahman, Pratyusha Ghosh, Dianna L. Ng, Ryan M. Williams

“…Estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2) are the primary biomarkers which inform breast cancer treatment. …”
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Apoptotic Cell Death and the Proliferative Capacity of Human Breast Cancers by Gabriele A. Losa, Riccardo Graber

“…The proliferative capacity (%S‐phase fraction), DNA ploidy, apoptosis frequency (DNA fragmentation) and steroid hormone receptor status (estrogen receptor, ER; progesterone receptor, PR) of 110 samples of human breast tissues with ductal invasive carcinoma were measured using biochemical and cytofluorimetric procedures. …”
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Expression Pattern of a Homeotic Gene, HOXA5, in Normal Breast and in Breast Tumors by Gregory S. Henderson, Paul J. van Diest, Horst Burger, Jose Russo, Venu Raman

“…Recent evidence has indicated that HOXA5 regulates both p53 and progesterone receptor expression levels in breast cancer cells. …”
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Anti-proliferative and photodynamic activities of Senna didymobotrya (Fresen.) leaf alkaloid-rich extracts against breast cancer cells by Kolawole A. Olofinsan, Heidi Abrahamse, Blassan P. George

“…Conclusion Although the in silico analysis suggests that the plant-identified alkaloid phytoconstituents inhibition of estrogen receptor-alpha, human epidermal growth factor receptor-2 and progesterone receptor proteins involved in breast cancer pathogenesis could explain a possible mechanism for the observed anticancer effect, more detailed in vitro molecular experiments are necessary to confirm these findings.…”
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The Effect of PT Link and Waterbath Antigenic Retrieval Procedures On The Expression of Common Receptors In Breast Cancer Cases by Ahmed Abdelbadie, Elsadig Ahmed Adam, Manar Abdelrahman

“…Materials and Method: FFPEB from cases diagnosed as breast cancer were examined for the expression of estrogen- receptor (ER), progesterone receptor (PR) and HER2 by immunohistochemical techniques using two different AR methods. …”
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Subtype-specific role for Jagged1 in promoting or inhibiting breast tumor formation by Wen-Cheng Chung, Wei Wang, Lavanya Challagundla, Charles D. Moore, Sean E. Egan, Keli Xu

“…Here we report that deletion of Jagged1 in the mammary epithelium of virgin mice led to expansion of the mammary stem cell (MaSC) compartment and defective luminal differentiation associated with decreased expression of the progesterone receptor (PR). In contrast, deletion of Jagged1 in alveolar cells of pregnant mice had no effect on alveolar and lactogenic differentiation or post-lactational involution. …”
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Ovarian Seromucinous Borderline Tumor and Clear Cell Carcinoma: An Unusual Combination by Eriko Nakamura, Yuichiro Sato, Sayaka Moriguchi, Atsushi Yamashita, Takashi Higo, Yujiro Asada

“…Seromucinous tumor cells were positive for estrogen receptor (ER) and progesterone receptor (PgR) but negative for Napsin A, p504S, and HNF1B. …”
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Intravascular Leiomyomatosis as a Rare Cause of Nonthrombotic Pulmonary Embolism by Julie Van Maercke, Anne-Sophie Van Rompuy, Willy Poppe, Tom Verbelen, Marion Delcroix, Catharina Belge

“…Analysis demonstrated a lesion consisting of cells without atypia, showing expression of alpha-smooth muscle actin (alpha SMA) and desmin with partial expression of estrogen receptor (ER) and progesterone receptor (PR), leading to the diagnosis of intravascular leiomyomatosis. …”
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Benign Metastasizing Leiomyoma: A Rare Type of Lung Metastases—Two Case Reports and Review of the Literature by Rokana Taftaf, Sandra Starnes, Jiang Wang, Ralph Shipley, Tariq Namad, Rana Khaled, Nagla Abdel Karim

“…Additional stains, such as estrogen/progesterone receptors, may need to be done to confirm the diagnosis.…”
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Does Apoptotic Index Predict the Response to Neoadjuvant Chemotherapy in Patients with Breast Carcinoma? by Gokce ASKAN, Oguzhan OKCU, Cigdem OZTURK, Seda DUMAN OZTURK, Bayram SEN, Recep BEDIR

“…Results: A significant relationship was found between low AI in TC-BT and at least partial response (p=0.025), longer OS (p=0.01) and disease-free survival (p=0.01), and progesterone receptor-positive tumors (p=0.03). Her2-negative tumors were more prone to low AI. …”
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Relationship between androgen receptor and androgen receptor-related protein expression in breast cancers focusing on morphologically identified carcinoma with apocrine differentia... by Haruto Nishida, Ami Kato, Ryo Kaimori, Kazuhiro Kawamura, Tsutomu Daa

“…Abstract Breast cancer (BC) is classified based on the expression of histopathological markers, namely, estrogen receptor (ER), progesterone receptor (PgR), and human epidermal growth factor receptor 2 (HER2). …”
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Mastectomy, HER2 Receptor Positivity, NPI, Late Stage and Luminal B-Type Tumor as Poor Prognostic Factors in Geriatric Patients with Breast Cancer by Demet Nak, Mehmet Kivrak

“…The effects of the type of surgery; breast cancer types; cellularity; Estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2) status; molecular class; axillary lymph nodes; Nottingham prognostic index (NPI); status of receiving systemic chemotherapy (SCT), hormone therapy (HT), and radiotherapy (RT); tumor size and tumor on overall survival (OS); and progression-free status (PFS) of geriatric patients were investigated. …”
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Carbonic Anhydrase IX Enzyme in Triple Negative Breast Carcinoma: Relationship With Prognostic Factors and Response to Neoadjuvant Chemotherapy by Özgen Arslan Solmaz, Nizamettin Kutluer, Mehmet Buğra Bozan

“…Objective: Triple negative breast carcinoma (TNBC) is characterized by the absence of estrogen receptor, progesterone receptor and human epidermal growth factor receptor-2 receptor expression. …”
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