Results 71 to 80 of about 28,931 (239)

Morphological evidence for enhanced kisspeptin and neurokinin B signaling in the infundibular nucleus of the aging man. [PDF]

, 2012
Peptidergic neurons synthesizing kisspeptin (KP) and neurokinin B (NKB) in the hypothalamic infundibular nucleus have been implicated in negative sex steroid feedback to GnRH neurons. In laboratory rodents, testosterone decreases KP and NKB expression in
Bloom, Stephen R., Borsay, Beáta Á., Ciofi, Philippe, Dhillo, Waljit S., Ghatei, Mohammad A., Herczeg, László, Hrabovszky, Erik, Liposits, Zsolt, Molnár, Csilla S., Rácz, Kálmán, Sipos, Máté T., Vida, Barbara   +11 more
core   +1 more source

Advent of NK3R Antagonists for the Treatment of Menopausal Hot Flushes: A Narrative Review

BJOG: An International Journal of Obstetrics &Gynaecology, EarlyView.
ABSTRACT The menopause transition is marked by symptoms predominantly attributed to declining oestrogen levels. Approximately 80% of women experience associated symptoms, and 25% experience severe symptoms. The commonest are vasomotor symptoms (VMS), collectively referring to hot flushes and/or night sweats.
Aaran H. Patel, Aureliane Pierret, Edouard G. Mills, Alexander N. Comninos, Waljit S. Dhillo, Ali Abbara   +5 more
wiley   +1 more source

Estrous behavior in dairy cows: identification of underlying mechanisms and gene functions [PDF]

, 2010
Selection in dairy cattle for a higher milk yield has coincided with declined fertility. One of the factors is reduced expression of estrous behavior. Changes in systems that regulate the estrous behavior could be manifested by altered gene expression ...
Beerda, B., Boer, H.M.T., Veerkamp, R.F., Woelders, H.   +3 more
core   +2 more sources

Reproductive Challenges of the Ageing Female: A Comprehensive Narrative Review

BJOG: An International Journal of Obstetrics &Gynaecology, EarlyView.
ABSTRACT Changes in societal norms over the last few decades have resulted in novel family planning trends, notably delayed childbearing and increased maternal age at the birth of the first child. Despite advances in reproductive medicine, ageing poses significant challenges.
Sofia Bitzika, Meletios P. Nigdelis, Angelos Daniilidis, Erich‐Franz Solomayer, Irene Lambrinoudaki, Efstratios M. Kolibianakis, Dimitrios G. Goulis   +6 more
wiley   +1 more source

Intra-Testicular Signals Regulate Germ Cell Progression and Production of Qualitatively Mature Spermatozoa in Vertebrates [PDF]

, 2014
Spermatogenesis, a highly conserved process in vertebrates, is mainly under the hypothalamic-pituitary control, being regulated by the secretion of pituitary gonadotropins, FSH and LH, in response to stimulation exerted by Gonadotropin Releasing Hormone (
Gilda Cobellis, Riccardo Pierantoni, Rosanna Chianese, Rosaria Meccariello, Silvia Fasano, Teresa Chioccarelli, Vincenza Ciaramella   +6 more
core   +2 more sources

Testosterone Versus Clomiphene Treatment of Hypogonadism: A Retrospective Analysis in US Veterans

Andrology, EarlyView.
ABSTRACT Background Male hypogonadotropic hypogonadism is a complex condition with a multifactorial etiology. Although testosterone replacement therapy (TRT) is the only approved treatment for male hypogonadism, clomiphene citrate (CC) is often used as an off‐label treatment.
Shourya Tadisina, Elizabeth Cristiano, Thomas Wiegmann, Ken Grasing, Betty Drees, Ram Sharma, Mariana Garcia‐Touza   +6 more
wiley   +1 more source

Comparison of gonadotropin-releasing hormone agonist with GnRH antagonist in polycystic ovary syndrome patients undergoing in vitro fertilization cycle: Retrospective analysis from a tertiary center and review of literature

Journal of Human Reproductive Sciences, 2014
Introduction: Polycystic ovary syndrome (PCOS) is one of the most common infertility factor for which women are enrolled in in vitro fertilization (IVF) technique. In the recent years, gonadotropin releasing hormone antagonist protocol has emerged as the
Neeta Singh, Moumita Naha, Neena Malhotra, Kusum Lata, P Vanamail, Abnish Tiwari   +5 more
doaj   +1 more source

Dynamics of Body Composition and Metabolic Risk in Adolescents With Obesity Under GLP‐1 Receptor Agonist Therapy

Acta Paediatrica, EarlyView.
ABSTRACT Aim To explore changes in body composition in adolescents with obesity treated with glucagon‐like peptide‐1 receptor agonist (GLP‐1 RA) and their association with metabolic syndrome (MetS) components. Methods This real‐world retrospective study included adolescents (12–18 years) with obesity who received multidisciplinary lifestyle‐based ...
Adar Lopez, Liat Perl, Eyal Cohen‐Sela, Ophir Borger, Yael Issan, Hagar Interator, Erez Azoulay, Hadar Moran‐Lev, Ronit Lubetzky, Shira Zelber‐Sagi, Yael Lebenthal, Avivit Brener   +11 more
wiley   +1 more source

Effect of vaginal estriol use in total laparoscopic hysterectomy with gonadotropin-releasing hormone agonist therapy

Gynecology and Minimally Invasive Therapy, 2018
Study Objectives: The aim of this study is to evaluate the effects of vaginal estriol therapy in total laparoscopic hysterectomy (TLH) with gonadotropin-releasing hormone agonist (GnRH-a) treatment. Design: Retrospective analysis.
Go Hirata, Hiroshi Yoshida, Atsuko Furuno, Masakazu Kitagawa, Hideya Sakakibara   +4 more
doaj   +1 more source

Cycle scheduling for in vitro fertilization with oral contraceptive pills versus oral estradiol valerate: a randomized, controlled trial [PDF]

, 2013
BACKGROUND: Both oral contraceptive pills (OCPs) and estradiol (E(2)) valerate have been used to schedule gonadotropin-releasing hormone (GnRH) antagonist in vitro fertilization (IVF) cycles and, consequently, laboratory activities. However, there are no
Alfonso Bermejo, Antonio Pellicer, Azucena Zapata, Carlos Iglesias, Erik E Hauzman, Juan A Garcia-Velasco   +5 more
core   +1 more source