Outputs (38)

Insulin-like peptide 3 (INSL3) as an indicator of leydig cell insufficiency (LCI) in Middle-aged and older men with hypogonadism: reference range and threshold (2024)
Journal Article
Anand-Ivell, R., Heng, K., Antonio, L., Bartfai, G., Casanueva, F. F., Maggi, M., …Ivell, R. (2024). Insulin-like peptide 3 (INSL3) as an indicator of leydig cell insufficiency (LCI) in Middle-aged and older men with hypogonadism: reference range and threshold. Aging Male, 27(1), Article 2346322. https://doi.org/10.1080/13685538.2024.2346322

Insulin-like peptide 3 (INSL3) is a circulating biomarker for Leydig cell functional capacity in men, also indicating Leydig Cell Insufficiency (LCI) and potential primary hypogonadism. Using results from large cohort studies we explore sources of bi... Read More about Insulin-like peptide 3 (INSL3) as an indicator of leydig cell insufficiency (LCI) in Middle-aged and older men with hypogonadism: reference range and threshold.

INSL3 Variation in Dogs Following Suppression and Recovery of the HPG Axis (2024)
Journal Article
Anand-Ivell, R., Coutinho, A. R., Dai, Y., England, G., Goericke-Pesch, S., & Ivell, R. (2024). INSL3 Variation in Dogs Following Suppression and Recovery of the HPG Axis. Animals, 14(5), Article 675. https://doi.org/10.3390/ani14050675

Insulin-like peptide 3 (INSL3) is a constitutive product of mature, adult-type Leydig cells of the testes and consequently in most mammals is an ideal biomarker with which to monitor pubertal development. A new heterologous time-resolved fluorescence... Read More about INSL3 Variation in Dogs Following Suppression and Recovery of the HPG Axis.

Insulin-like peptide 3 (INSL3) in congenital hypogonadotrophic hypogonadism (CHH) in boys with delayed puberty and adult men (2022)
Journal Article
Abbara, A., Koysombat, K., Phylactou, M., Chia Eng, P., Clarke, S., Comninos, A. N., …Dhillo, W. S. (2022). Insulin-like peptide 3 (INSL3) in congenital hypogonadotrophic hypogonadism (CHH) in boys with delayed puberty and adult men. Frontiers in Endocrinology, 13, Article 1076984. https://doi.org/10.3389/fendo.2022.1076984

Background: Delayed puberty in males is almost invariably associated with constitutional delay of growth and puberty (CDGP) or congenital hypogonadotrophic hypogonadism (CHH). Establishing the cause at presentation is challenging, with “red flag” fea... Read More about Insulin-like peptide 3 (INSL3) in congenital hypogonadotrophic hypogonadism (CHH) in boys with delayed puberty and adult men.

The Leydig cell biomarker INSL3 as a predictor of age-related morbidity: Findings from the EMAS cohort (2022)
Journal Article
Ivell, R., Heng, K., Severn, K., Antonio, L., Bartfai, G., Casanueva, F. F., …Anand-Ivell, R. (2022). The Leydig cell biomarker INSL3 as a predictor of age-related morbidity: Findings from the EMAS cohort. Frontiers in Endocrinology, 13, Article 1016107. https://doi.org/10.3389/fendo.2022.1016107

Background: Insulin-like peptide 3 (INSL3) is a constitutive hormone secreted in men by the mature Leydig cells of the testes. It is an accurate biomarker for Leydig cell functional capacity, reflecting their total cell number and differentiation sta... Read More about The Leydig cell biomarker INSL3 as a predictor of age-related morbidity: Findings from the EMAS cohort.

Influence on the adult male Leydig cell biomarker insulin-like peptide 3 of maternal exposure to estrogenic and anti-androgenic endocrine disrupting compound mixtures: A retrospective study (2022)
Journal Article
Ivell, R., Vinggaard, A. M., Soyama, H., & Anand-Ivell, R. (2022). Influence on the adult male Leydig cell biomarker insulin-like peptide 3 of maternal exposure to estrogenic and anti-androgenic endocrine disrupting compound mixtures: A retrospective study. Andrologia, 54(11), Article e14566. https://doi.org/10.1111/and.14566

Insulin-like peptide 3 (INSL3) is a peptide biomarker secreted specifically by the mature Leydig cells of the testes. It is constitutive, has low within-individual variance, and effectively measures the functional capacity of Leydig cells to make tes... Read More about Influence on the adult male Leydig cell biomarker insulin-like peptide 3 of maternal exposure to estrogenic and anti-androgenic endocrine disrupting compound mixtures: A retrospective study.

Association of age, hormonal, and lifestyle factors with the Leydig cell biomarker INSL3 in aging men from the European Male Aging Study cohort (2022)
Journal Article
Anand-Ivell, R., Heng, K., Severn, K., Antonio, L., Bartfai, G., Casanueva, F. F., …Ivell, R. (2022). Association of age, hormonal, and lifestyle factors with the Leydig cell biomarker INSL3 in aging men from the European Male Aging Study cohort. Andrology, 10(7), 1328-1338. https://doi.org/10.1111/andr.13220

Background: Aging in men is accompanied by a broad range of symptoms, including sexual dysfunction, cognitive and musculoskeletal decline, obesity, type 2 diabetes, cardiovascular disease and hypertension, organ degeneration/failure, and increasing n... Read More about Association of age, hormonal, and lifestyle factors with the Leydig cell biomarker INSL3 in aging men from the European Male Aging Study cohort.

Expression and Role of INSL3 in the Fetal Testis (2022)
Journal Article
Ivell, R., Mamsen, L. S., Andersen, C. Y., & Anand-Ivell, R. (2022). Expression and Role of INSL3 in the Fetal Testis. Frontiers in Endocrinology, 13, Article 868313. https://doi.org/10.3389/fendo.2022.868313

Insulin-like peptide 3 (INSL3) is a small peptide hormone of the insulin-relaxin family which is produced and secreted by the fetal Leydig cells in the testes only. It appears to be undetectable in female fetuses. In the human fetus INSL3 synthesis b... Read More about Expression and Role of INSL3 in the Fetal Testis.

Maternal exposure to dibutyl phthalate (Dbp) or diethylstilbestrol (des) leads to long-term changes in hypothalamic gene expression and sexual behavior (2021)
Journal Article
Hunter, D., Heng, K., Mann, N., Anand-Ivell, R., & Ivell, R. (2021). Maternal exposure to dibutyl phthalate (Dbp) or diethylstilbestrol (des) leads to long-term changes in hypothalamic gene expression and sexual behavior. International Journal of Molecular Sciences, 22(8), 1-14. https://doi.org/10.3390/ijms22084163

Xenobiotic exposure during pregnancy and lactation has been linked to perinatal changes in male reproductive outcomes and other endocrine parameters. This pilot study wished to assess whether brief maternal exposure of rats to xenobiotics dibutyl pht... Read More about Maternal exposure to dibutyl phthalate (Dbp) or diethylstilbestrol (des) leads to long-term changes in hypothalamic gene expression and sexual behavior.

The Physiology of Reproduction – Quo vadis? (2021)
Journal Article
Ivell, R., & Anand-Ivell, R. (2021). The Physiology of Reproduction – Quo vadis?. Frontiers in Physiology, 12, Article 650550. https://doi.org/10.3389/fphys.2021.650550

The reproductive system in males and females reflects a highly dynamic underlying physiology. Yet our current understanding of this system is still largely based upon relatively simplistic snapshots of individual component cells and tissues. Gamete p... Read More about The Physiology of Reproduction – Quo vadis?.

Kisspeptin-54 Accurately Identifies Hypothalamic Gonadotropin-Releasing Hormone Neuronal Dysfunction in Men with Congenital Hypogonadotropic Hypogonadism (2020)
Journal Article
Abbara, A., Eng, P. C., Phylactou, M., Clarke, S. A., Mills, E., Chia, G., …Dhillo, W. S. (2021). Kisspeptin-54 Accurately Identifies Hypothalamic Gonadotropin-Releasing Hormone Neuronal Dysfunction in Men with Congenital Hypogonadotropic Hypogonadism. Neuroendocrinology, 111(12), 1176-1186. https://doi.org/10.1159/000513248

Background: Hypogonadotropic hypogonadism (HH) is hypogonadism due to either hypothalamic or pituitary dysfunction. While gonadotropin-releasing hormone (GnRH) can directly test pituitary function, no specific test of hypothalamic function exists. Ki... Read More about Kisspeptin-54 Accurately Identifies Hypothalamic Gonadotropin-Releasing Hormone Neuronal Dysfunction in Men with Congenital Hypogonadotropic Hypogonadism.