Related Experiment Video
Updated: May 2, 2026
10:47
Rapid Detection of Neurodevelopmental Phenotypes in Human Neural Precursor Cells NPCs
Published on: March 2, 2018
9.3K
Neuroendocrine plasticity and crosstalk in pubertal development.
Carol Fuzeti Elias1,2, Xingfa Han1,3, David Garcia-Galiano1,4,5
1Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, Michigan, USA.
Journal of Neuroendocrinology
|February 20, 2026
Summary
The hypothalamus undergoes significant remodeling during puberty, altering key neuronal populations like GHRH, kisspeptin, and DAT neurons. This research reveals crucial neural and molecular insights into how the hypothalamus orchestrates sexual maturation.
Area of Science:
- Neuroscience
- Endocrinology
- Developmental Biology
Background:
- Puberty is a critical developmental stage for sexual reproduction, regulated by the hypothalamo-pituitary-gonadal (HPG) axis.
- Gonadotropin-releasing hormone (GnRH) neurons are central to reproductive maturation, but the triggers for pubertal activation are not fully understood.
- Hypothalamic remodeling is essential for sexual maturation.
Purpose of the Study:
- To investigate the neural and molecular mechanisms underlying the pubertal increase in GnRH activity.
- To explore the role of hypothalamic remodeling in orchestrating sexual maturation.
- To identify key neuronal populations involved in this process.
Main Methods:
- RNA sequencing
- Conditional genetic manipulation in mouse models
- Viral vector delivery
- Systems neuroscience approaches
Main Results:
- The pubertal transition involves significant changes in the chemical phenotype of hypothalamic neurons.
- Site-specific innervation of key hypothalamic neurons is altered during puberty.
- Neuronal populations expressing growth hormone-releasing hormone (GHRH), kisspeptin, and dopamine transporter (DAT) are central to these changes.
Conclusions:
- The hypothalamus undergoes profound remodeling during puberty, involving changes in specific neuronal populations.
- These findings provide new insights into the neural and molecular control of sexual maturation.
- Understanding these mechanisms is crucial for reproductive health and function.
More Related Videos
Related Concept Videos
01:33Hormonal Regulation
30.4K
The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
30.4K
01:10An Overview of the Endocrine System
15.3K
The endocrine system, a complex network of glands, orchestrates physiological balance within the body through the production and secretion of hormones. These hormones are chemical messengers in intercellular communication, acting as conduits between the secretory cells and distant target sites. They traverse the circulatory system by being released into the extracellular fluid, and their impact is specific to cells possessing receptors for a particular hormone.
The endocrine system collaborates...
The endocrine system collaborates...
15.3K
01:22Target Cell Response to Hormones
5.6K
Hormones intricately bind to receptors on the surface or within target cells, initiating a cascade of cellular responses.
Notably, the cellular response can be regulated by altering the number of receptors expressed in the cell. For example, prolonged exposure to elevated hormone levels results in a gradual decline or down-regulation in the number of receptors for that specific hormone on the cell surface. Conversely, in response to low hormone levels, cells may use up-regulation, producing an...
Notably, the cellular response can be regulated by altering the number of receptors expressed in the cell. For example, prolonged exposure to elevated hormone levels results in a gradual decline or down-regulation in the number of receptors for that specific hormone on the cell surface. Conversely, in response to low hormone levels, cells may use up-regulation, producing an...
5.6K
01:19Regulation of Hormone Secretion
6.5K
Regulation of hormone secretion is a finely tuned orchestration driven by various types of stimuli, encompassing neural, humoral, and hormonal signals. Environmental cues instigate neural stimuli, where action potentials traverse nerve fibers to reach their designated targets. An illustrative scenario is the body's response to stress, wherein the sympathetic nervous system releases epinephrine from the adrenal glands, inducing the well-known 'fight or flight' reaction.
Humoral...
Humoral...
6.5K
01:27Signs of Puberty
2.1K
Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
2.1K
01:01Neuroplasticity
2.6K
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
2.6K