MAPKs signaling is obligatory for male reproductive function in a development-specific manner
Lokesh Kumar1,2, Subhash Solanki1,2, Ashish Jain3
1Genus Breeding India Pvt Ltd., Pune, India.
Frontiers in Reproductive Health
|February 26, 2024
Summary
Mitogen-activated protein kinases (MAPKs) are vital for male fertility, regulating sperm development, maturation, and function. Disruptions in MAPK signaling can impair male reproductive health and fertility potential.
Area of Science:
- Reproductive Biology
- Cell Signaling
- Molecular Endocrinology
Background:
- Mitogen-activated protein kinases (MAPKs) are conserved signaling proteins essential for male reproductive processes.
- MAPK pathways regulate key events from germ cell development to sperm function.
Purpose of the Study:
- To review the critical roles of MAPK signaling in male fertility.
- To elucidate the impact of MAPK pathways on testicular function and sperm physiology.
- To propose future research directions for understanding male reproductive health.
Main Methods:
- Literature review of existing research on MAPK signaling in male reproduction.
- Synthesis of findings across species including humans, mice, and livestock.
- Analysis of MAPK roles in Sertoli cells, germ cells, and sperm function.
Main Results:
- MAPK signaling regulates Sertoli cell proliferation, germ cell development, and sperm maturation.
- MAPKs are crucial for maintaining testicular microenvironment homeostasis and sperm motility.
- Disruptions in MAPK pathways negatively impact male fertility by affecting sperm capacitation and acrosome reaction.
Conclusions:
- MAPK pathways are indispensable for maintaining male fertility across various reproductive stages.
- Further research is needed to fully understand MAPK functions and their therapeutic potential in male reproductive disorders.
- Understanding MAPK signaling is key to addressing male infertility and enhancing reproductive health.
Related Concept Videos
MAPK Signaling Cascades
5.5K
Mitogen-activated protein kinase, or MAPK pathway, activates three sequential kinases to regulate cellular responses such as proliferation, differentiation, survival, and apoptosis. The canonical MAPK pathway starts with a mitogen or growth factor binding to an RTK. The activated RTKs stimulate Ras, which recruits Raf or MAP3 Kinase (MAPKKK), the first kinase of the MAPK signaling cascade. Raf further phosphorylates and activates MEK or MAP2 Kinases (MAPKK), which in turn phosphorylates MAP...
5.5K
Development of the Sexual Organs in the Embryo and Fetus
714
Development of the reproductive organs in an embryo starts from a bipotential state. This means the early embryo can develop either male or female reproductive organs. The formation of these organs begins with the growth of gonadal ridges that arise from the intermediate mesoderm during the fifth week of development.
Near the gonadal ridges, two duct systems are present: the mesonephric ducts (Wolffian ducts) and paramesonephric ducts (Müllerian ducts). These ducts form the basis for the...
Near the gonadal ridges, two duct systems are present: the mesonephric ducts (Wolffian ducts) and paramesonephric ducts (Müllerian ducts). These ducts form the basis for the...
714
The Y Chromosome Determines Maleness
6.6K
The Y chromosome is a sex chromosome found in several vertebrates and mammals, including humans. In addition to 22 pairs of autosomes, the human males have one X chromosome and one Y chromosome. In these organisms, the presence or absence of the Y chromosome determines the development of male traits.
Evolution
Around 300 million years ago, the two sex chromosomes diverged from two identical autosomal chromosomes. Over time, the Y chromosome has lost most of its genes, shrinking in size....
Evolution
Around 300 million years ago, the two sex chromosomes diverged from two identical autosomal chromosomes. Over time, the Y chromosome has lost most of its genes, shrinking in size....
6.6K
Interactions Between Signaling Pathways
6.3K
Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
6.3K
Dosage Compensation
6.2K
In animals, gender is determined by the number and type of sex chromosome. For example, human females have two X chromosomes, and males have one X and one Y chromosome, whereas C.elegans with one X chromosome is a male, and the one with two X chromosomes is a hermaphrodite.
In addition to sexual development, the X chromosome has genes involved in autosomal functions such as brain development and the immune system. Therefore, males and females with distinct numbers of X chromosomes will...
In addition to sexual development, the X chromosome has genes involved in autosomal functions such as brain development and the immune system. Therefore, males and females with distinct numbers of X chromosomes will...
6.2K
The Ratio of X Chromosome to Autosomes
8.5K
In most organisms, sex is determined by the ratio of X and Y chromosomes. However, in some organisms, such as Drosophila and C.elegans, sex is determined by the ratio of the number of X chromosomes to the number of sets of autosomes. The Y chromosome in Drosophila is active but does not determine sex. It contains genes responsible for the production of sperms in adult flies.
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female...
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female...
8.5K


