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Follicle-stimulating hormone (FSH) is a gonadotropin, a glycoprotein polypeptide hormone. [1] FSH is synthesized and secreted by the gonadotropic cells of the anterior pituitary gland [ 2 ] and regulates the development, growth, pubertal maturation , and reproductive processes of the body.
When the pituitary gland doesn’t produce LH and FSH, there’s no signaling from the brain to the testicles, and the testicles shut down. This results in male infertility and testosterone ...
The follicle-stimulating hormone receptor or FSH receptor (FSHR) is a transmembrane receptor that interacts with the follicle-stimulating hormone (FSH) and represents a G protein-coupled receptor (GPCR). Its activation is necessary for the hormonal functioning of FSH. FSHRs are found in the ovary, testis, and uterus.
FSH, luteinizing hormone. thyroid-stimulating hormone, and hCG are all known to affect Sertoli cell development and male reproductive health. FSH is required for Sertoli cell mitogen, which stimulates the expression of various cell markers. [7]
Failure or loss of the gonads usually results in elevated levels of LH and FSH in the blood. [10] [11] LH insensitivity, which results in Leydig cell hypoplasia in males, and FSH insensitivity, are conditions of insensitivity to LH and FSH, respectively, caused by loss-of-function mutations in their respective
Diminished secretion of LH can result in failure of gonadal function (hypogonadism). This condition is typically manifest in males as failure in production of normal numbers of sperm. In females, amenorrhea is commonly observed. Conditions with very low LH secretions include: Pasqualini syndrome [39] [40] Kallmann syndrome; Hypothalamic suppression
Hypergonadotropic hypogonadism (HH), also known as primary or peripheral/gonadal hypogonadism or primary gonadal failure, is a condition which is characterized by hypogonadism which is due to an impaired response of the gonads to the gonadotropins, follicle-stimulating hormone (FSH) and luteinizing hormone (LH), and in turn a lack of sex steroid production. [1]
The endocrine function of gonadotrophs is derived from the effect of gonadotropins on the reproductive system. The gonadotropins produced by gonadotropic cells are FSH and LH, which are dimeric pituitary glycoprotein hormones with a common alpha subunit and distinct beta subunit that confers biological activity of the hormones.