Role of follicle-stimulating hormone receptor Ser680Asn polymorphism in the efficacy of follicle-stimulating hormone. 2003

Francisco de Castro, and Rocío Ruiz, and Luis Montoro, and Dámaso Pérez-Hernández, and Elisa Sánchez-Casas Padilla, and Luis M Real, and Agustín Ruiz
Unidad de Reproducción Humana Asistida, Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid, Spain.

OBJECTIVE To evaluate the association between FSH efficacy and FSHR alleles. METHODS Retrospective study. METHODS University-based fertility unit and a private center for biomedical research. METHODS One hundred two women with ovarian function who were undergoing controlled ovarian stimulation (COS). Women were categorized as poor responders (< or =3 ovarian follicles at the end of the cycle) or normal responders (>3 follicles). METHODS Daily administration of exogenous FSH. METHODS Number of good or poor responders. RESULTS The allele frequency and genotype distribution of the Ser680Asn marker differed significantly between groups. Cycle cancellations were increased (21%) among women who were homozygous for Ser680 compared with Ser/Asn and Asn/Asn patients, and 36% of poor-responders were homozygous for Ser680. CONCLUSIONS The results support a role for FSHR gene in COS outcome. However, the weight of this factor is probably low. The Ser680 allele may act in concert with other environmental and genetic factors that contribute to FSH efficacy.

UI MeSH Term Description Entries
D010062 Ovulation Induction Techniques for the artifical induction of ovulation, the rupture of the follicle and release of the ovum. Ovarian Stimulation,Ovarian Stimulations,Stimulation, Ovarian,Stimulations, Ovarian
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D011110 Polymorphism, Genetic The regular and simultaneous occurrence in a single interbreeding population of two or more discontinuous genotypes. The concept includes differences in genotypes ranging in size from a single nucleotide site (POLYMORPHISM, SINGLE NUCLEOTIDE) to large nucleotide sequences visible at a chromosomal level. Gene Polymorphism,Genetic Polymorphism,Polymorphism (Genetics),Genetic Polymorphisms,Gene Polymorphisms,Polymorphism, Gene,Polymorphisms (Genetics),Polymorphisms, Gene,Polymorphisms, Genetic
D011962 Receptors, FSH Cell surface proteins that bind FOLLICLE STIMULATING HORMONE with high affinity and trigger intracellular changes influencing the behavior of cells. FSH Receptors,Follicle-Stimulating Hormone Receptors,Receptors, Follicle-Stimulating Hormone,FSH Receptor,Follicle-Stimulating Hormone Receptor,Follicle Stimulating Hormone Receptor,Follicle Stimulating Hormone Receptors,Hormone Receptor, Follicle-Stimulating,Hormone Receptors, Follicle-Stimulating,Receptor, FSH,Receptor, Follicle-Stimulating Hormone,Receptors, Follicle Stimulating Hormone
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D004334 Drug Administration Schedule Time schedule for administration of a drug in order to achieve optimum effectiveness and convenience. Administration Schedule, Drug,Administration Schedules, Drug,Drug Administration Schedules,Schedule, Drug Administration,Schedules, Drug Administration
D005260 Female Females
D005640 Follicle Stimulating Hormone A major gonadotropin secreted by the adenohypophysis (PITUITARY GLAND, ANTERIOR). Follicle-stimulating hormone stimulates GAMETOGENESIS and the supporting cells such as the ovarian GRANULOSA CELLS, the testicular SERTOLI CELLS, and LEYDIG CELLS. FSH consists of two noncovalently linked subunits, alpha and beta. Within a species, the alpha subunit is common in the three pituitary glycoprotein hormones (TSH, LH, and FSH), but the beta subunit is unique and confers its biological specificity. FSH (Follicle Stimulating Hormone),Follicle-Stimulating Hormone,Follitropin
D005787 Gene Frequency The proportion of one particular in the total of all ALLELES for one genetic locus in a breeding POPULATION. Allele Frequency,Genetic Equilibrium,Equilibrium, Genetic,Allele Frequencies,Frequencies, Allele,Frequencies, Gene,Frequency, Allele,Frequency, Gene,Gene Frequencies
D005819 Genetic Markers A phenotypically recognizable genetic trait which can be used to identify a genetic locus, a linkage group, or a recombination event. Chromosome Markers,DNA Markers,Markers, DNA,Markers, Genetic,Genetic Marker,Marker, Genetic,Chromosome Marker,DNA Marker,Marker, Chromosome,Marker, DNA,Markers, Chromosome

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