Prolactin
Prolactin - Related Videos
09:01
Performing Vaginal Lavage, Crystal Violet Staining, and Vaginal Cytological Evaluation for Mouse Estrous Cycle Staging Identification
0 Views •
Cited by 673 •
2012
Here, we describe how to identify the stage of the murine reproductive (proestrus, estrus, metestrus, or diestrus) by simple, non-invasive collection and cytological assessment of vaginal smear samples. We further describe how vaginal cytology reflects circulating hormonal levels underlying transition through the murine reproductive cycle.
08:24
A Hormone-responsive 3D Culture Model of the Human Mammary Gland Epithelium
0 Views •
Cited by 3 •
2016
We describe a 3D culture model of the human breast epithelium that is suitable to study hormone action.
04:51
Mouse Mammary Epithelial Cells form Mammospheres During Lactogenic Differentiation
0 Views •
Cited by 11 •
2009
HC11 lactogenic differentiation can be characterized by the formation of domed structures referred to as mammospheres. The structures can be enumerated by phase contrast microscopy to aid in quantifying lactogenic differentiation.
09:15
Two Methods for Establishing Primary Human Endometrial Stromal Cells from Hysterectomy Specimens
0 Views •
Cited by 14 •
2014
Establishing primary endometrial stromal cell culture systems from hysterectomy specimens is a valuable biological technique and a crucial step prior to pursuing a vast array of research aims. Here, we describe two methods used to establish stromal cultures from surgically resected endometrial tissues of human...
08:37
Isolation of Mouse Endometrial Epithelial and Stromal Cells for In Vitro Decidualization
0 Views •
Cited by 86 •
2017
This study presents a standardized and validated method for the isolation and culture of primary mouse endometrial stromal and epithelial cells, which can be used in a coculture system to study in vitro decidualization.
FAQs
Prolactin release is held under continuous inhibitory control by dopamine from the hypothalamus. When dopamine signaling is reduced, this suppression weakens and lactotroph cells can release more hormone. This arrangement makes dopamine a central regulator rather than merely one influence among many, and it helps explain how altered hypothalamic-pituitary signaling can affect lactation and other prolactin-related functions.
Suckling activates neuroendocrine pathways that stimulate additional prolactin release. In this context, sensory input is translated into an endocrine response involving the hypothalamus and anterior pituitary, allowing milk-production physiology to respond to a relevant biological signal. The mechanism illustrates how neural events can modify hormone secretion without replacing dopamine’s ongoing inhibitory role.
During pregnancy, prolactin is considered alongside other hormonal interactions rather than as an isolated lactation signal. Its activity relates to mammary gland function while also contributing to reproductive physiology. Studying these relationships helps biology researchers interpret why prolactin findings may be relevant to pregnancy, menstrual patterns, fertility, and the coordination of multiple endocrine processes.
Circulating prolactin measurements provide an observable indicator of hormone regulation in the body. Investigators can use the result when evaluating pituitary disorders or other conditions involving abnormal hormonal control. In reproductive and lactation research, the measurement also helps connect endocrine changes with milk production, menstrual or fertility changes, and pregnancy-related hormone interactions.
Prolactin research can examine how lactation is regulated, how pituitary and hypothalamic signals interact, and how hormone changes relate to reproductive function. It also supports investigation of menstrual and fertility changes and of endocrine events during pregnancy. These applications place the hormone within broader biology questions about communication between the nervous system and endocrine organs.
An abnormal circulating prolactin measurement indicates that hormone regulation may not be typical, but the result alone does not identify a single cause. In biology and medicine, researchers interpret it in relation to pituitary disorders and other regulatory conditions, while also considering relevant outcomes such as lactation, menstrual changes, fertility, or pregnancy-related endocrine interactions.