Guan L

ORCID: 0000-0002-5090-7140 · 21 papers in corpus
observational 2026
BMC pregnancy and childbirth ·doi:10.1186/s12884-026-09041-0

BACKGROUND: This study evaluated the effects of different ovulation trigger strategies on pregnancy outcomes in letrozole-stimulated and modified natural frozen–thawed embryo transfer (L-FET and mNC-FET) cycles. METHODS: A total of 2053 eli…

lab-animal 2026
Journal of ovarian research ·doi:10.1186/s13048-026-02016-x

BACKGROUND: Polycystic ovary syndrome (PCOS) is characterized by chronic low-grade inflammation of the ovaries. This disorder of the immune microenvironment is closely related to abnormal follicular development and ovulation disorders. This…

lab-animal 2026
Journal of ovarian research ·doi:10.1186/s13048-026-02095-w

BACKGROUND: Diminished ovarian reserve (DOR) is associated with impaired female fertility; however, its molecular mechanisms remain incompletely understood. Our previous studies found that individuals with DOR have lower levels of microRNA-…

other 2025
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-024-03377-2

PURPOSE: To investigate BMAL1 and BMP6 expressive differences in ovarian granulosa cells (OGCs) of patients with polycystic ovary syndrome (PCOS), explore regulatory relationship, assess their impacts on OGC proliferation and apoptosis, and…

observational 2025
Frontiers in endocrinology ·doi:10.3389/fendo.2025.1653555

OBJECTIVE: This study aimed to analyze the effect of progesterone (P) levels on the human chorionic gonadotropin (hCG) trigger day and the progesterone on hCG day-to-basal progesterone (PhCG/Pbasal) ratio on pregnancy outcomes in patients w…

other 2025
International journal of women's health ·doi:10.2147/ijwh.s534178

BACKGROUND: Female reproductive disorders (FRDs) are common diseases among women of childbearing age, affecting their reproductive health. Age at first sexual intercourse (AFS) is potentially linked to FRDs, and this study aims to investiga…

rct 2024
Frontiers in pharmacology ·doi:10.3389/fphar.2024.1451300

BACKGROUND: Polycystic ovary syndrome (PCOS) is a heterogeneous gynecological endocrine disorder linked to immunity. Cangfu Daotan Decoction (CFDT), a classic Chinese medicine prescription, is particularly effective in treating PCOS, specif…

observational 2023
Medicine ·doi:10.1097/md.0000000000035658

The aim of this study is to investigate the effect of human chorionic gonadotropin (hCG) in hormone replacement regimen for frozen-thawed embryos. We performed a retrospective cohort study and included patients who underwent frozen embryo t…

rct 2022
Cellular and molecular biology (Noisy-le-Grand, France) ·doi:10.14715/cmb/2022.68.7.4

To investigate the clinical value of Mirena (levonorgestrel intrauterine sustained release system) combined with gonadotropin-releasing hormone agonist (GnRH-a) in patients with endometriosis, 80 patients with endometriosis (March 2019 ~ Ma…

other 2022
Frontiers in molecular neuroscience ·doi:10.3389/fnmol.2022.1022463

BACKGROUND: Visceral pain is a complex and heterogeneous disorder that is considered more prominent compared to somatic pain, due to its multiple and complex causes and accompanying emotional and mood disorders. Research has become increasi…

observational 2022
BMC pregnancy and childbirth ·doi:10.1186/s12884-022-04728-6

BACKGROUND: Previous studies have shown that frozen embryo transfer (FET) resulted in increased live birth rates (LBR) and reduced the risk of ovarian hyperstimulation syndrome (OHSS) than did fresh embryo transfer in women with polycystic …

meta-analysis 2020
Canadian respiratory journal ·doi:10.1155/2020/9705604

BACKGROUND: Asthma and diabetes are both diseases that affect a wide range of people worldwide. As a common treatment for diabetes, metformin has also been reported to be effective in improving asthma outcomes. We conducted a combined analy…

observational 2019
Frontiers in endocrinology ·doi:10.3389/fendo.2019.00771

Background: Oxidative stress plays an important role in the pathogenesis of polycystic ovary syndrome (PCOS). Glutathione peroxidase 1 (GPx1) and catalase (CAT) are the major intracellular antioxidant enzymes that can detoxify hydrogen pero…

other 2019
Reproductive biology and endocrinology : RB&E ·doi:10.1186/s12958-019-0532-5

The authors regret that the incorrect identification of "omega-3 arachidonic acid" published in the original manuscript [1].

lab-animal 2018
Stem cell research & therapy ·doi:10.1186/s13287-018-1073-0

BACKGROUND/AIMS: Menstrual blood-derived endometrial stem cells (MenSCs) emerge as an ideal source for cell-based treatment in regenerative medicine and immunotherapy. However, the major obstacle is the low survival rate in tissues and the …

observational 2018
Medicine ·doi:10.1097/MD.0000000000010881

This retrospective analysis aimed to clarify the clinical and pathologic features of ovarian clear cell carcinoma (OCCC), and to determine the factors predictive of survival.Data waereextracted from OCCC patients who underwent primary surge…

other 2018
Frontiers in physiology ·doi:10.3389/fphys.2018.00014

The sensitivity and specificity of clinical diagnostic indicators and non-invasive diagnostic methods for endometriosis at early stage is not optimal. Previous studies demonstrated that abnormal lipid metabolism was involved in the patholog…

observational 2018
Lipids in health and disease ·doi:10.1186/s12944-018-0725-5

BACKGROUND: Elevated serum levels of apolipoprotein (apo) C1 may be an early protein marker of metabolic abnormality in women with polycystic ovary syndrome (PCOS). It is not clear, however, whether there are any relationships between the a…

observational 2018
Journal of ovarian research ·doi:10.1186/s13048-018-0425-9

BACKGROUND: Considered as the precursor lesion of a subset of ovarian clear cell carcinoma (OCCC), the prognostic role of endometriosis in OCCC patients remains controversial. This study aimed to investigate the prognostic role of coexistin…

diagnostic-accuracy 2018
Reproductive biology and endocrinology : RB&E ·doi:10.1186/s12958-018-0360-z

BACKGROUND: The sensitivity and specificity of non-invasive diagnostic methods for endometriosis, especially at early stages, are not optimal. The clinical diagnostic indicator cancer antigen 125 (CA125) performs poorly in the diagnosis of …

observational 2017
Lipids in health and disease ·doi:10.1186/s12944-017-0448-z

BACKGROUND: The G994T polymorphism in platelet-activating factor acetylhydrolase (PAF-AH) gene is associated with the risk of polycystic ovary syndrome (PCOS). The aim of this study was to investigate the relationship between R92H and A379V…