نتایج جستجو برای: whole mount mammary gland
تعداد نتایج: 455053 فیلتر نتایج به سال:
Objective- This study refers to the role of ultrasonography in the diagnosis of mammary gland tumor in bitches as a complementary diagnostic method and its ultimate goal is to evaluate the results of mammography with the positive results of ultrasonography. Design- Prospective study. Animals- 12 German Shepherd bitches with swollen mass in the mammary gland region (group I) and 12 h...
Bioengineering of the mammary gland to produce proteins of therapeutic and industrial value is the result of extensive investigation of the physiology of the mammary gland and the ability to generate transgenic animals. Targeting the expression of heterologous proteins to mammary tissue requires a thorough understanding of the biochemical events that coordinate growth and differentiation of the...
Epoxide hydrolases (EC 3.3.2.3) (EH) are hydrolytic enzymes which may play an important role in the activation and detoxification of mammary carcinogens. In this study, microsomal, cytosolic, and cholesterol epoxide hydrolases along with glutathione S-transferase were characterized in liver and mammary gland from nulliparous and lactating BALB/c mice and from mice transplanted with preneoplasti...
Estradiol is a major regulator of postnatal mammary gland development and thought to exert its effects through estrogen receptor alpha (ERalpha) expressed in the mammary gland stroma and epithelium. Previous studies, however, were confounded by the use of an ERalpha mutant strain that retains some of the protein with transactivation activity. Here, we use an ERalpha-/- mouse strain in which no ...
A 22-year-old female mandrill (Mandrillus sphinix) with continuously growing mass at the right mammary gland area was found dead, and a postmortem examination was performed. At necropsy, an elevated firm subcutaneous mass about 5 cm in diameter was present at the right mammary gland area. Axillary, mediastinal, and tracheobronchial lymph nodes were enlarged 2 to 4 times their normal sizes. Nume...
Benzpyrene (BP) hydroxylase activity in the liver, small intestine, adrenal, and mammary gland of normal rats has been quantitatively assayed. There was only a very small amount of enzyme activity in the mammary gland. Administration of 3methylcholanthrene (3-MC) induced a marked increase in BP hydroxylase activity in the liver and intestine, but was without effect on the enzyme level in the ma...
The expression of different glucose transporter isoforms was measured during the development and differentiation of the rat mammary gland. Before conception, when the mammary gland is mainly composed of adipocytes, Glut 4 and Glut 1 mRNAs and proteins were present. During pregnancy, the expression of Glut 4 decreased progressively, whereas that of Glut 1 increased. In the lactating mammary glan...
The mammary gland is the distinct feature that gives the name to the class of mammals and distinguishes them from other animals. Functionally, the mammary gland is a secretory organ which main role is to produce milk to nourish the offspring. Organogenesis of the mammary gland starts during embryogenesis but occurs mainly after birth at puberty under the influence of hormonal cues. Throughout t...
Urologists and pathologists have focused more and more on the anatomic structures of the human prostate gland and their relationship to prostate carcinoma development and prognosis since the resurgence of radical prostatectomy in the late 1980s. The accessibility of whole-mount slide preparation in the study of the prostate has greatly simplified this analysis. This chapter concentrates on the ...
The tissue microenvironment directs stem/progenitor cell behavior. Cancer cells are also influenced by the microenvironment. It has been shown that, when placed into blastocysts, cancer cells respond to embryonic cues and differentiate according to the tissue type encountered during ontological development. Previously, we showed that the mouse mammary gland was capable of redirecting adult mous...
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