Results 71 to 80 of about 42,558 (309)

Evaluation of Predictors of Response to Ovulation Induction Using Letrozole in Women with Polycystic Ovary Syndrome: A Prospective Cohort Study

Journal of Human Reproductive Sciences
Background: Ovulation induction (OI) in patients with polycystic ovary syndrome (PCOS) remains challenging, and several biomarkers have been evaluated for their ability to predict ovulation.
Shanti Tholiya, Archana Kumari, Reeta Mahey, Mani Kalaivani, Hem Chandra Sati, Mona Sharma, Aarthi K. Jayraj, Neena Malhotra   +7 more
doaj   +1 more source

Examining pathways by which socioeconomic instability in adolescence influence sexual health during emerging adulthood in an agricultural setting in California

American Journal of Community Psychology, EarlyView.
Abstract This study investigates the longitudinal impact of socioeconomic instability on teen pregnancy and sexually transmitted infection (STI) diagnosis among adolescents and young adults (AYA) living in an agricultural region and examines pathways including supportive family and social structures, decision making autonomy in romantic relationships ...
Marie C. D. Stoner, Erica N. Browne, Marissa Raymond‐Flesch, Mary Kate Shapley‐ Quinn, Nivedita L. Bhushan, Alondra Jaime‐Aguilar, Carmen Ramirez, Jessica Huante, Daisy Gallardo, Sue Napierala, Megan Comfort, Alexandra M. Minnis   +11 more
wiley   +1 more source

Contribution of recent transgenic models and transcriptional profiling studies to our understanding of the mechanisms by which androgens control spermatogenesis [PDF]

, 2008
Publisher ...
Claessens, Frank, De Gendt, Karel, Denolet, Evi, Saunders, Philippa T K, Sharpe, Richard, Swinnen, Johannes V, Verhoeven, Guido, Willems, Ariane   +7 more
core   +1 more source

Gonadotropin-Inhibitory Hormone (GnIH):Discovery, Progress and Perspecitive

The Journal of Poultry Science, 2006
Probing undiscovered neuropeptides that play important roles in the regulation of pituitary function is essential for the progress of avian endocrinology and neuroendocrinology. Neuropeptide control of gonadotropin secretion at the level of the anterior
Kazuyoshi Tsutsui
doaj   +1 more source

Mapping quantitative trait loci underlying body weight changes that act at different times during high‐fat diet challenge in collaborative cross mice

Animal Models and Experimental Medicine, EarlyView.
Over one billion people worldwide suffer from obesity, and the number is continually rising. Animal models, especially mouse models, are crucial to identifying the genetic components of complex disorders and exploring the potential applications of these genetic findings.
Hanifa J. Abu‐Toamih Atamni, Iqbal M. Lone, Ilona Binenbaum, Kareem Midlej, Eleftherios Pilalis, Richard Mott, Aristotelis Chatziioannou, Fuad A. Iraqi   +7 more
wiley   +1 more source

The evolution and variety of RFamide-type neuropeptides: insights from deuterostomian invertebrates [PDF]

, 2014
Five families of neuropeptides that have a C-terminal RFamide motif have been identified in vertebrates: (1) gonadotropin-inhibitory hormone (GnIH), (2) neuropeptide FF (NPFF), (3) pyroglutamylated RFamide peptide (QRFP), (4) prolactin-releasing peptide (
Elphick, MR, Mirabeau, O
core   +1 more source

Optimization and verification of high‐fat diet formulation for establishing a rat model of obesity‐related precocious puberty

Animal Models and Experimental Medicine, EarlyView.
We identified 45% HFD as the optimal formulation to establish a juvenile rat model of obesity‐related precocious puberty. It elicits robust phenotypic (early vaginal opening, obesity), histological (advanced ovarian development), and endocrine (elevated HPG axis hormones) alterations, with leptin‐mediated GnRH secretion as a core mechanistic driver ...
Jiayi Gong, Wei Qian, Deji Song, Kang Li, Li Zhang, Li Shi   +5 more
wiley   +1 more source

Extragonadal LH/hCG action-Not yet time to rewrite textbooks [PDF]

, 2007
Gonadotropins are indispensable in both sexes in the regulation of gonadal sex steroid production and gametogenesis. In addition to their well-established classical actions, numerous recent publications have indicated the presence and function of ...
Ahtiainen, Petteri, Huhtaniemi, Ilpo, Pakarainen, Tomi, Poutanen, Matti, Rulli, Susana Beatriz, Zhang, Fu Ping   +5 more
core   +3 more sources

Seasonal variation in the reproductive activity of male goats raised under tropical climate conditions

Revista Brasileira de Zootecnia
This study analyzed seasonal variations in the testes, the concentration of sex hormones, the parameters of fresh and thawed semen, and the sexual behavior of male Alpine goats from a temperate region in a tropical climate and possible interference with ...
Júlio César Oliveira Dias, Cristina Mattos Veloso, Madriano Christilis da Rocha Santos, Carlos Thiago Silveira Alvim Mendes de Oliveira, Camila Oliveira Silveira, Erick Iglesias, Paula Piccolo Maitan, Letícia Maria Pereira Sanglard   +7 more
doaj   +1 more source

One‐step generation of heritable mitochondrial DNA multiplex‐engineered rats using DddA‐derived cytosine base editor

Animal Models and Experimental Medicine, EarlyView.
We established that mixed DdCBE microinjection is an efficient, heritable, and precise strategy for generating multiplex mtDNA mutant rats. This advancement significantly expands the utility of DdCBEs for mitochondrial disease modeling, providing a robust platform for exploring the pathogenic mechanisms of complex mtDNA mutations and developing ...
Xu Zhang, Keru Li, Lei Tan, Wei Chen, Shan Gao, Chenyang Liu, Shuo Pan, Jiayue He, Ning Liu, Gefan Wan, Wei Dong, Weining Kong, Bin Shen, Xiaolong Qi, Yuanwu Ma   +14 more
wiley   +1 more source