Results 11 to 20 of about 31,032 (201)

Hormonal, follicular and endometrial dynamics in letrozole-treated versus natural cycles in patients undergoing controlled ovarian stimulation [PDF]

open access: yesReproductive Biology and Endocrinology, 2011
The objective of this study was to compare letrozole-stimulated cycles to natural cycles in 208 patients undergoing intrauterine insemination (IUI) between July of 2004 and January of 2007. Group I (n = 47) received cycle monitoring only (natural group),
Brunengraber Lisa N   +5 more
doaj   +4 more sources

Protective Effects of Hesperidin on Letrozole-Induced Neurotoxicity: Involvement of Oxidative Stress, Apoptotic Signaling, and Inflammation. [PDF]

open access: yesJ Biochem Mol Toxicol
Letrozole induces neurotoxicity by promoting oxidative stress, inflammation, and apoptotic signaling in the brain. Hesperidin co‐treatment mitigates these effects by restoring redox balance, suppressing pro‐inflammatory cytokines, and normalizing Bax/Bcl‐2–mediated apoptotic pathways, thereby exerting neuroprotective effects.
Ayhan İ   +4 more
europepmc   +2 more sources

The Gut Microbiome Is Altered in a Letrozole-Induced Mouse Model of Polycystic Ovary Syndrome. [PDF]

open access: yes, 2016
Women with polycystic ovary syndrome (PCOS) have reproductive and metabolic abnormalities that result in an increased risk of infertility, diabetes and cardiovascular disease.
Kelley, Scott T   +3 more
core   +8 more sources

Letrozole treatment of pubertal female mice results in activational effects on reproduction, metabolism and the gut microbiome. [PDF]

open access: yes, 2019
Polycystic ovary syndrome (PCOS) is a common endocrine disorder in reproductive-aged women that is comprised of two out of the following three features: hyperandrogenism, oligo- or amenorrhea, or polycystic ovaries. In addition to infertility, many women
Arroyo, Pablo   +4 more
core   +2 more sources

Neoadjuvant endocrine therapy for luminal breast cancer treatment: a first-choice alternative in times of crisis such as the COVID-19 pandemic [PDF]

open access: yes, 2020
The epidemiological emergency caused by CoV-2 (COVID-19) has changed priorities in breast cancer management. In those places where the pandemic has had the greatest effect, it is of paramount importance for most patients to be at home, reducing or ...
Martí, Covadonga   +1 more
core   +1 more source

Comparison of Treatment Outcomes of Infertile Women by Clomiphene Citrate and Letrozole with Gonadotropins Underwent Intrauterine Insemination [PDF]

open access: yesActa Medica Iranica, 2012
This study was designed to compare the effect of clomiphene and letrozole in ovulatory stimulation in infertile women under intrauterine insemination who referred to Mahdiyeh infertility clinic during 2008-2009.
Shahrzad Zadehmodares   +4 more
doaj   +1 more source

Letrozole increases preantral follicle growth and decreases estradiol production without impairing follicle survival

open access: yesJournal of Ovarian Research, 2022
Background Letrozole has been reported to be effective in treating anovulation, preventing ovarian hyperstimulation syndrome (OHSS), and retrieving oocytes in breast cancer patients.
Fukiko Kasuga-Yamashita   +10 more
doaj   +1 more source

Life-history and hormonal control of aggression in black redstarts: blocking testosterone does not decrease territorial aggression, but changes the emphasis of vocal behaviours during simulated territorial intrusions [PDF]

open access: yes, 2013
Introduction: Many studies in behavioural endocrinology attempt to link territorial aggression with testosterone, but the exact relationship between testosterone and territorial behaviour is still unclear and may depend on the ecology of a species.
Apfelbeck, Beate   +4 more
core   +2 more sources

Effect of Letrozole on hippocampal Let-7 microRNAs and their correlation with working memory and phosphorylated Tau protein in an Alzheimer's disease-like rat model

open access: yesThe Egyptian Journal of Neurology, Psychiatry and Neurosurgery, 2022
Background Let-7 microRNAs (miRNAs) may contribute to neurodegeneration, including Alzheimer's disease (AD), but, they were not investigated in Streptozotocin (STZ)-induced AD.
Nada Alaa Moustafa   +5 more
doaj   +1 more source

Impact of 2.5 mg versus 5 mg letrozole co-treatment in an antagonist protocol for IVF: a retrospective study

open access: yesFrontiers in Endocrinology, 2023
ObjectiveThe present study aimed to compare the effectiveness of two different doses of letrozole (2.5 mg and 5 mg daily) in an antagonist protocol for infertile women with normal ovarian reserve.MethodsThis retrospective cohort study included infertile ...
Jing Lin   +6 more
doaj   +1 more source

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