insulin like peptide 3 like peptide - Relaxinpeptide like peptide

INSL3 gene The Role and Significance of Insulin-Like Peptide 3 (INSL3)

Insulin-like peptide 3 (INSL3), also known as insulin-like factor 3 (INSL3) or relaxin-like factor (RLF), is a fascinating peptide hormone that belongs to the insulin-like peptide superfamily and the insulin-relaxin family of structurally related peptides. This peptide plays a crucial role in various physiological processes, primarily related to reproductive function in both males and females across mammalian species. Research has increasingly highlighted its importance as a circulating biomarker and its diverse functions, solidifying its significance in endocrinology and reproductive biology.Seems to play a role in testicular function. May be a trophic hormone with a role in testicular descent in fetal life. Is a ligand for LGR8 receptor.

Understanding INSL3: Structure and Expression

INSL3 is a relatively small peptide hormone known for its unique evolutionary path, having seemingly evolved by sequential gene duplication.Analogs of Insulin-like Peptide 3 (INSL3) B-chain Are LGR8 ... Its gene encodes for INSL3, a protein recognized for its structural similarity to insulin and relaxin. While INSL3 is primarily expressed in the testicular Leydig cells of adult males, it is also produced in ovarian theca cells in femalesDiverse functions of insulin-like 3 peptide in. This localized expression underscores its specific roles in gonadal function. Studies have even explored the recombinant expression of INSL3, contributing to a deeper understanding of its structure and function.作者：M Esteban-Lopez·2020·被引用次数：39—Insulin-like 3 peptide (INSL3) is a member of the insulin-like peptide superfamily and is the only known physiological ligand of relaxin family peptide ... For instance, research has investigated the active form of goat insulin-like peptide 3 (INSL3), further elucidating its biochemical properties.作者：SM Harrison·2019·被引用次数：25—INSL3 serum concentrations during human male gestational weeks 15–20were 2–4 times higher than published prepubertal male levels and were 5–100 times higher ...

INSL3's Critical Role in Male Reproductive Health

One of the most well-established functions of insulin-like peptide 3 (INSL3) is its indispensable role in testicular development and function. Specifically, INSL3 is vital for testicular descent in fetal lifeDiverse functions of insulin-like 3 peptide in. This process, where the testes move from their intra-abdominal position to the scrotum, is crucial for maintaining optimal sperm production temperatureInsulin-like 3 is a protein that in humans is encoded by theINSL3 gene. INSL3. Available structures. PDB, Ortholog search: PDBe RCSB. List of PDB id codes.. Without adequate INSL3 function, this descent can be impaired, leading to cryptorchidism (undescended testes).

Furthermore, INSL3 is increasingly recognized as a key indicator of Leydig cell functional capacity in men.Insulin-like peptide 3 (INSL3) as an indicator of leydig cell ... Leydig cells are responsible for producing androgens, and INSL3 acts as a circulating biomarker for their health and function. According to research, INSL3 serum concentrations during human male gestational weeks 15–20 are significantly higher than later in life, reflecting its critical role during fetal development. In adulthood, low INSL3 levels can indicate Leydig Cell Insufficiency (LCI), a condition often associated with primary hypogonadism.作者：N Kawate·2022·被引用次数：5—Insulin-like peptide 3 (INSL3) is a circulating hormone secreted from only testis and ovaries in mammals. Findings on INSL3 have been gathered ... Recent studies, such as those published in 2024, emphasize that INSL3 is a circulating biomarker for Leydig cell functional capacity in men, also indicating Leydig Cell Insufficiency (LCI) and potential primary hypogonadism. This makes INSL3 a valuable tool for diagnosing and monitoring male reproductive health issues. There is also evidence suggesting INSL3 may be a predictor of hypogonadism in older males, further broadening its clinical relevance.作者：I Minagawa·2012·被引用次数：44—RLF (relaxin-like factor), also known asINSL3 (insulin-like peptide 3), is a novel member of the relaxin/insulin gene family that is expressed in testicular ...

INSL3's Influence in Female Reproduction

While its role in males is more extensively studied, research also points to significant functions of insulin-like peptide 3 (INSL3) in female reproduction. INSL3 has been shown to be a major regulator of the female reproductive system, affecting ovarian function due to its presence in ovarian theca cells. Its influence extends to the development and maintenance of ovarian structures and potentially plays a role in ovulation and corpus luteum function. The discovery of its role in female systems expands our understanding of this peptide beyond its traditional association with male gonads.

INSL3: A Ligand and a Biomarker

INSL3 exerts its effects by binding to a specific G protein-coupled receptor, known as LGR8 receptor or RXFP2. This interaction initiates signaling pathways that mediate its physiological actions. The identification of INSL3 as the only known physiological ligand for the LGR8 receptor, also known as a relaxin family peptide receptor, has been a significant breakthrough in understanding reproductive endocrinologyINSL3 - Insulin-like 3 - Homo sapiens (Human) | UniProtKB.

Beyond its direct hormonal functions, the detectability of INSL3 in bodily fluids makes it an important biomarker. Measuring INSL3 serum concentrations can provide valuable insights into reproductive health status.Paracrine and endocrine roles of insulin-like factor 3 This has led to its investigation in various contexts, including its role in domestic animals with normal and abnormal reproductive conditions. Findings on INSL3 have been gathered across species, highlighting its conserved importanceInsulin-like peptide 3 (INSL3) is a major regulator of female ....

Future Directions and Research

The ongoing research into insulin-like peptide 3 (INSL3) continues to uncover new facets of its biological activity.Insulin-like peptide 3 (INSL3) as an indicator of leydig cell ... Studies are exploring its role in diverse species, such as its effect on zebrafish spermatogenic cells.2023年1月3日—Researchers evaluated whetherinsulin-like peptide 3 (INSL3) could predict hypogonadism and age-associated morbidity in older males. Further research aims to fully elucidate the complex regulation of INSL3 in both male and female reproductive systems and its potential implications in age-associated morbidity. The development of tools like the Human INSL3 (Insulin Like Protein 3) ELISA Kit facilitates more precise and widespread measurement of this critical peptide. As our knowledge grows, INSL3 is poised to play an even more significant role in understanding and managing reproductive health.