• Parenterally administered dosage form inhibits gonadotropin production, which, in turn, prevents follicular maturation and ovulation. (medscape.com)
  • Ascidians are the closest living relatives of vertebrates, and their study is important for understanding the evolutionary processes of oocyte maturation and ovulation. (elifesciences.org)
  • In this study, we first examined the ovulation of Ciona intestinalis Type A by monitoring follicle rupture in vitro, identifying a novel mechanism of neuropeptidergic regulation of oocyte maturation and ovulation. (elifesciences.org)
  • This is the first demonstration of essential pathways regulating oocyte maturation and ovulation in ascidians and will facilitate investigations of the evolutionary process of peptidergic regulation of oocyte maturation and ovulation throughout the phylum Chordata. (elifesciences.org)
  • Therefore, the regulatory mechanisms underlying oocyte maturation and ovulation control not only the reproduction of the respective organisms but also evolutionary processes across the animal kingdom. (elifesciences.org)
  • Some neuropeptides have been shown to induce oocyte maturation and ovulation (or spawning) in several species of invertebrates. (elifesciences.org)
  • These findings demonstrate that various neuropeptides are responsible for triggering oocyte maturation and ovulation in invertebrates, and suggest that oocyte maturation and ovulation and their underlying molecular mechanisms are regulated in both a species-specific and evolutionarily conserved fashion. (elifesciences.org)
  • Thus, the body requires sufficiently low levels of estrogen to allow for FSH secretion and follicular maturation, followed by an estradiol surge that prompts secretion of LH to stimulate ovulation ( Figure 1 ). (contemporarypediatrics.com)
  • After sufficient follicular growth, human chorionic gonadotropin (hCG) is given to trigger final follicular maturation and ovulation. (msdmanuals.com)
  • These results indicate that chronic exposure of mice to 5 mg/kg/day PFHxS affects reproductive functions by inhibiting kisspeptin expression in the ARC and AVPV regions, leading to the deficit of follicular development and ovulation. (researchsquare.com)
  • Excessive number of available follicles or inappropriate maturation. (sutterhealth.org)
  • The body releases hormones that encourage maturation of eggs inside follicles of the ovaries. (rxlist.com)
  • Histologically, TS is characterized by abnormal maturation and marked distention of hair follicles. (cdc.gov)
  • Early in the follicular phase, FSH is produced by the pituitary in relatively large amounts, and this signals the eggs and their follicles to begin to develop. (westernfrontamerica.com)
  • FSH primarily stimulates development and maturation of the follicles and eggs. (westernfrontamerica.com)
  • TNF α plays an important role in the formation of primary B cell follicles and follicular dendritic cells [ 16 ]. (hindawi.com)
  • The follicular phase is characterised by the growth and maturation of ovarian follicles, which house the developing eggs. (healthifyme.com)
  • These genes provide instructions for making proteins that are involved in the growth and division (proliferation) and maturation (differentiation) of cells within hair follicles . (medlineplus.gov)
  • Normal maturation and growth of fullestrogenreceptoractivation.Silybin andfromthefirstdayofovarianstimula- oocytesdependsonadequatesupport B,oneofthecomponentsofsilymarin, tion,onegroupofpatientsreceivedgo- from ovarian granolusa cel s of the has(probable)weakestrogenreceptor nadotropinplussilymarin(70mg×3/ follicles [ 1 ]. (who.int)
  • We report the pregnancy and live birth achieved after in vitro maturation (IVM) of oocytes and PGT-A in a 23-year-old patient suffering from ovarian gonadotropin resistance. (springer.com)
  • Galvão A, Segers I, Smitz J, Tournaye H, De Vos M. In vitro maturation (IVM) of oocytes in patients with resistant ovary syndrome and in patients with repeated deficient oocyte maturation. (springer.com)
  • CiErk1/2 also induced expression of matrix metalloproteinase (CiMMP2/9/13) in the oocyte, resulting in collagen degradation in the outer follicular cell layer and liberation of fertile oocytes from the ovary. (elifesciences.org)
  • Immature cumulus-oocyte complexes are retrieved to obtain mature oocytes by in vitro maturation (IVM), a laboratory tool in reproductive medicine to obtain mature oocytes. (biomedcentral.com)
  • CD19 is also present on follicular dendritic cells. (bdbiosciences.com)
  • Consistent with this, the ability of dendritic cells to produce the cytokine IL-6, required for in vivo Tfh differentiation, and antibody affinity maturation are both reduced in absence of type I interferon signaling. (nih.gov)
  • Jones GS, De Moraes-Ruehsen M. A new syndrome of amenorrhea in association with hypergonadotropism and apparently normal ovarian follicular apparatus. (springer.com)
  • I agree with the embryologist that the reason for the failed fertilization following ICSI on the first cycle was likely due to inadequate cytoplasmic maturation. (sharedjourney.com)
  • Concomitant with the progression of nuclear maturation, dynamic rearrangement of intracellular organelles promotes cytoplasmic maturation. (elifesciences.org)
  • CD19 is expressed during all stages of B-cell maturation and differentiation, except on plasma cells. (bdbiosciences.com)
  • Smith MP, Flannery GR, Randle BJ, Jenkins JM and Holmes CH: Leukocyte origin and profile in follicular aspirates at oocyte retrieval. (spandidos-publications.com)
  • These data suggest that administration of silymarin in IVF patients concomitantly with gonadotropin results in reduction of granolusa cell apoptosis but does not have any effect in promotion of follicular development, oocyte retrieval or endometrial thickness. (who.int)
  • Progesterone administration can slow the GnRH pulses, thus favoring FSH secretion that induces follicular maturation. (mhmedical.com)
  • These events are referred to as the follicular stage of the menstrual cycle. (rxlist.com)
  • Let's dive in the first phase of your menstrual cycle, the follicular phase, which starts on the first day of your period. (cronometer.com)
  • And both systems experience maturation of their reproductive organs, which become functional during puberty as a result of the gonads secreting sex hormones. (wikibooks.org)
  • Biological pregnancy tests work by establishing the presence of the 'follicular maturation' and 'luteinizing' hormones that are produced during pregnancy, by the anterior pituitary glands in the brain and by the placenta. (muvs.org)
  • The disease is characterized by development of follicular papules and keratin spines (spicules) predominantly in the face, often accompanied by alopecia of the eyebrows and eyelashes. (cdc.gov)
  • These were associated with pathways like TGF-beta signaling, gonadotropin-releasing hormone receptor, prolactin signaling, and progesterone-mediated oocyte maturation associated with the reproductive system. (tubitak.gov.tr)
  • To prevent follicular maturation, a patient requires consistent, high levels of estrogen to provide feedback inhibition on the hypothalamus (which subsequently inhibits FSH secretion). (contemporarypediatrics.com)
  • reduced FSH secretion impairs follicular maturation. (mhmedical.com)
  • This enabled identification of TFs that can be uniquely associated to the tumor cells of chronic lymphocytic leukemia (CLL), diffuse large B-cell lymphoma (DLBCL), follicular lymphoma (FL), hairy cell leukemia (HCL), and mantle cell lymphoma (MCL). (lu.se)
  • Lédée N, Frydman R, Osipova A, et al: Levels of follicular G-CSF and interleukin-15 appear as noninvasive biomarkers of subsequent successful birth in modified natural in vitro fertilization/intracytoplasmic sperm injection cycles. (spandidos-publications.com)
  • Ultrasound-guided follicular aspiration in combination with in vitro oocyte maturation and fertilization in horses. (fbn-dummerstorf.de)
  • ABSTRACT To investigate the effects of silymarin on follicular development, we enrolled 40 healthy women undergoing in vitro fertilization (IVF) due to male factor infertility in this trial. (who.int)
  • T follicular helper (Tfh) cells represent a recently defined CD4(+) T cell subset characterized by the expression of the chemokine receptor CXCR5 and an enhanced ability to support B cells to mount antibody responses. (nih.gov)
  • Increases in the amount of PAPP-A mRNA in granulosa cells during follicular development occurs in some but not all species, indicating that other proteases or protease inhibitors may be involved in IGFBP degradation. (bioone.org)
  • However, in contrast to the follicular and marginal zone cells, ABCs displayed significant somatic hypermutation. (bvsalud.org)
  • BLyS (B lymphocyte stimulator) family cytokines and receptors play key roles in B-2 cell maturation and survival, but their importance for B-1 cells remains less clear. (bvsalud.org)
  • Preovulatory estradiol has been reported to play a critical role in follicular cell growth, initiation of estrus, oocyte maturation, sperm transport, uterine environment, and embryo survival. (usda.gov)
  • However, information is limited regarding the biological roles of miRNAs in the development of the follicular and luteal tissues in cows. (tubitak.gov.tr)
  • The main aim of the present study was to identify miRNAs that are expressed in the follicular and luteal tissues of cows. (tubitak.gov.tr)
  • We used a comparative RNA sequencing method to identify miRNA candidates that might play key roles in the follicular and luteal phases of Holstein cows. (tubitak.gov.tr)
  • Nine miRNAs were expressed at a high ratio: 8 in the follicular tissue and one in the luteal tissue. (tubitak.gov.tr)
  • These findings will be beneficial in future comprehensive studies on the miRNAs involved in regulating the development of follicular and luteal tissues in cows. (tubitak.gov.tr)
  • 2 consecutive cycles or 1 luteal-follicular transition (n=283 transitions). (cdc.gov)
  • Is Affinity Maturation a Self-Defeating Process for Eliciting Broad Protection? (cshlpress.com)
  • FSH continues to control the development of the egg(s) and follicle(s) throughout the follicular phase. (westernfrontamerica.com)
  • This review summarizes evidence for the role of proteolytic enzymes that degrade and inactivate insulin-like growth factor binding proteins (IGFBP) during follicular development in mammals. (bioone.org)
  • BACKGROUND: Many studies investigating pubertal development use Tanner staging to assess maturation. (cdc.gov)
  • Prior to forming dimers, thyroglobulin monomers undergo conformational maturation in the endoplasmic reticulation. (novusbio.com)
  • HighE2 animals had faster follicular growth rates and upregulation of the entire steroidogenic pathway compared to LowE2 animals. (usda.gov)
  • Indeed, toxic content from an endometrioma may lead to unfavourable events such as increased oxidative stress, increase fibrosis, loss of cortex specific stroma, smooth muscle cell metaplasia, vascularization defect and, later, reduced follicular maturation. (unipi.it)
  • To determine what Igs ABCs express, we sequenced VH and Vκ rearranged genes from unimmunized 22-mo-old C57BL/6 mice and showed that they had a heterogeneous repertoire, which was comparable to that seen in old follicular and marginal zone B cell subsets. (bvsalud.org)
  • This antibody is useful in identification of thyroid carcinoma of the papillary and follicular types. (novusbio.com)