نتایج جستجو برای: mammary
تعداد نتایج: 98501 فیلتر نتایج به سال:
Transcriptome Analysis of Mammary Gland Tissue to Identify Major Genes Involved in the Milk Production
abstractepidermal inclusion cysts are uncommon in the breast, but the consequences can besevere when these cysts occur in the breast parenchyma. here, we report two suchcases. the patient in case 1 was an 37-year-old woman with a 3-cm palpable mass inthe right breast. mammography revealed a round and smoothly outlined mass, whichindicated a benign tumor, and sonography showed an irregularly sha...
Paget’s disease of the nipple is an unusual manifestation of breast cancer. Most cases of mammary Paget`s disease are associated with an invasive or in situ breast tumor, even with no mass observed in mammography imaging. Very rarely does Paget’s disease occur in the absence of any underlying neoplasia .Herein, we report an 82-year-old woman with an unusual presentation of mammary Paget’s disea...
A conditional null mutation of peroxisome proliferator-activated receptor-binding protein (PBP) gene was generated to understand its role in mammary gland development. PBP-deficient mammary glands exhibited retarded ductal elongation during puberty, and decreased alveolar density during pregnancy and lactation. PBP-deficient mammary glands could not produce milk to nurse pups during lactation. ...
Amphiregulin (AREG)-/- mice demonstrate impaired mammary development and form only rudimentary ductal epithelial trees; however, AREG-/- glands are still capable of undergoing alveologenesis and lactogenesis during pregnancy. Transplantation of AREG-/- mammary epithelial cells into cleared mouse mammary fat pads results in a diminished capacity for epithelial growth (∼15%) as compared to that o...
It has been reported that X-irradiation and diethylstilbestrol (DES) act synergistically on mammary adenocarcinoma formation in female ACI rats. The physical carcinogen, X-irratiation, was replaced by a chemical carcinogen, dimethylbenzanthracene (DMBA), and their interaction was studied in this system. Thirty-three female ACI rats were given 13.3 mg of DMBA per 100 grams of body weight. A tota...
Untreated LAF1 mice used in the present series (which are generally considered to be free of the mammary tumor agent) did not develop mammary adenocarcinomas spontaneously. Treatment with methylcholanthrene also failed to produce mammary tumors in this strain in the absence of hormonal stimulation of the mammary tissue (though it did produce leukemia and squamous carcinomas). Continuous stimula...
It has been reported that X-irradià tion and diethylstilbestrol (DES) act synergistically on mammary adenocarcinoma for mation in female ACI rats. The physical carcinogen, X-irradia tion, was replaced by a chemical carcinogen, dimethylbenzan thracene (DMBA), and their interaction was studied in this system. Thirty-three female ACI rats were given 13.3 mg of DMBA per 100 grams of body weight. A ...
Background and Objective: Breast tumors include the heterogeneous population of various cells such as luminal and myoepithelial cells which can play a significant role in the development and/or the inhibition of breast cancer. It has been observed that paracrine and autocrine activities of myoepithelial cells can limit the mammary tumors via angiogenesis inhibition and apoptosis induction. Ther...
Background: Hyperprolactinemia is a common side effect of antipsychotic drugs that requires further investigation. The current study was designed to evaluate dose-dependent effect of chlorpromazine (CPZ) on hormonal changes and uterine horn histological structure in rats. Moreover, the mammary glands were analyzed to show hyperprolactinemia-induced histological changes. Methods: Albino Wistar r...
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