PubMed Journals Articles About "Metformin Endometrial Hyperplasia" RSS

14:15 EST 16th January 2019 | BioPortfolio

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Showing "Metformin endometrial hyperplasia" PubMed Articles 1–25 of 969

Oral and intrauterine progestogens for atypical endometrial hyperplasia.

Endometrial carcinoma is the most common gynaecologic malignancy in the world and develops through preliminary stages of endometrial hyperplasia. Atypical endometrial hyperplasia suggests a significant pre-malignant state with frank progression to endometrial carcinoma, and tends to occur at a young age. Oral progestins have been used as conservative treatment in young women with atypical endometrial hyperplasia, but they are associated with poor tolerability and side effects ...

PTEN as a predictive marker of response to conservative treatment in endometrial hyperplasia and early endometrial cancer. A systematic review and meta-analysis.

Several markers have been studied to predict the responsiveness of endometrial hyperplasia (EH) and early endometrial cancer (EEC) to progestin therapy. PTEN has played a major role in this field, although its predictive significance is still undefined. We aimed to assess if loss of PTEN expression on pre-treatment endometrial specimen may be a predictive markers of response to progestins in EH and EEC.

Endometrial hyperplasia and risk of coexistent cancer: WHO vs EIN criteria.

Endometrial hyperplasia (EH) is classified into benign and precancerous according to two different histomorphologic systems: WHO (based on the subjective evaluation of cytologic atypia) and EIN (based on a combination of several parameters, assessable subjectively, or objectively through computerized analysis). ACOG recommends the use of EIN system. Nonetheless, higher prognostic value for EIN criteria was demonstrated only with the objective assessment, which is not routinely applicable.

The benefits of adding metformin to tamoxifen to protect the endometrium- a randomized placebo-controlled trial.

We investigated whether metformin prevents tamoxifen-induced endometrial changes and insulin resistance (IR) after a diagnosis of breast cancer.

Mechanisms underlying the protective effect of montelukast in prevention of endometrial hyperplasia in female rats.

To study the possible protective role of montelukast in endometrial hyperplesia (EH) rat model, induced by estradiol valerate (EV).

Quantification of Leydig cells and stromal hyperplasia in the postmenopausal ovary of women with endometrial carcinoma.

Endometrioid endometrial carcinomas (EECs) are correlated with high serum levels of androgens and estrogen. We hypothesized that Leydig cells and ovarian stromal hyperplasia contribute to postmenopausal ovarian androgen production, and are observed more frequently in EEC patients. Ovaries of postmenopausal women with EEC (n=36) or non-endometrioid endometrial carcinoma (NEEC) (n=19) were examined for the presence of hilar Leydig cells, and compared with ovaries resected for benign conditions (n=22). Leydig ...

The Effect of Metformin on the Endometrium of Women with Polycystic Ovary Syndrome.

To investigate the effect of metformin on endometrial receptivity in women with polycystic ovary syndrome (PCOS).

Improved glycemic control with minimal systemic metformin exposure: Effects of Metformin Delayed-Release (Metformin DR) targeting the lower bowel over 16 weeks in a randomized trial in subjects with type 2 diabetes.

Metformin use is restricted in patients with renal impairment due to potential excess systemic accumulation. This study evaluated the glycemic effects and safety of metformin delayed-release (Metformin DR), which targets metformin delivery to the ileum to leverage its gut-based mechanisms of action while minimizing systemic exposure.

Induction of uterine hyperplasia after cafeteria diet exposure.

Our aim was to evaluate whether chronic administration of CAF affects the uterus and induces the morphological and molecular changes associated with endometrial hyperplasia. Female Wistar rats exposed to CAF from weaning for 20 weeks displayed increased energy intake, body weight and fat depots, but did not develop metabolic syndrome. The adult uteri showed an increase in glandular volume fraction and stromal area. The epithelial proliferation rate and protein expression of oestrogen receptor alpha (ERα) w...

Prevalence of Endometrial Cancer or Atypical Hyperplasia Diagnosed Incidentally in Infertility Clinic.

Association of metformin administration with gut microbiome dysbiosis in healthy volunteers.

Metformin is a widely used first-line drug for treatment of type 2 diabetes. Despite its advantages, metformin has variable therapeutic effects, contraindications, and side effects. Here, for the very first time, we investigate the short-term effect of metformin on the composition of healthy human gut microbiota.

Favorable outcomes of metformin on coronary microvasculature in experimental diabetic cardiomyopathy.

Although metformin is widely prescribed in diabetes, its use with associated cardiac dysfunction remains debatable. In the current study, we investigated the effect of metformin on coronary microvasculature in experimental diabetic cardiomyopathy (DCM) induced by streptozotocin. Administration of metformin after induction of DCM, reversed almost all cardiomyocyte degenerative changes induced by DCM. Metformin diminished the significantly increased (p 

Issues in the Differential Diagnosis of Uterine Low-grade Endometrioid Carcinoma, Including Mixed Endometrial Carcinomas: Recommendations from the International Society of Gynecological Pathologists.

This article provides practical recommendations developed from the International Society of Gynecological Pathologists Endometrial Carcinoma Project to address 4 issues that may arise in the diagnosis of uterine corpus low-grade endometrioid carcinoma: (1) The distinction between atypical hyperplasia and low-grade endometrioid carcinoma. (2) The distinction between low-grade endometrioid carcinoma and serous carcinoma. (3) The distinction between corded and hyalinized or spindle cell variants of low-grade e...

Mismatch Repair Protein Expression in Endometrioid Intraepithelial Neoplasia/Atypical Hyperplasia: Should We Screen for Lynch Syndrome in Precancerous Lesions?

Screening for Lynch syndrome (LS) is routinely performed in patients with endometrial carcinoma. Currently, no screening recommendations exist for LS in precancerous lesions. The study goal was to determine the incidence of abnormal protein expression in endometrioid intraepithelial neoplasia/atypical hyperplasia (EIN/AH). We analyzed mismatch repair (MMR) protein expression by immunohistochemistry in EIN/AH concurrent with MMR-deficient endometrial carcinomas, and in endometrial biopsy/curettage specimens ...

Metabolomics profiling of metformin-mediated metabolic reprogramming bypassing AMPKα.

Metformin is a first-line drug for treating type 2 diabetes and has gained considerable interest as a potential anticancer agent. Increasing evidence suggests that metformin antagonizes diabetes and tumors through disrupting metabolic homeostasis and altering energy state. However, whether AMP activated protein kinase (AMPK) contributes to such effects of metformin remains controversial.

Rifampicin alters metformin plasma exposure but not blood glucose levels in diabetic tuberculosis patients.

The pharmacokinetic and clinical implications of combining metformin with rifampicin are relevant to increasing numbers of diabetic tuberculosis (TB) patients across the world and are yet unclear. We assessed the impact of rifampicin on metformin pharmacokinetics and its glucose-lowering effect in diabetic TB patients by measuring plasma metformin and blood glucose during and after TB treatment. Rifampicin increased metformin exposure: plasma AUC and C geometric mean ratio (during vs after TB treatment) wer...

SREBP-2, a new target of metformin?

Metformin, as the first-line treatment anti-diabetic drug, represents increasing evidence of a potential efficacy in improving dyslipidemia. However, the exact molecular mechanism(s) by which metformin influences lipid metabolism remains incompletely understood.

OCT1-Mediated Metformin Uptake Regulates Pancreatic Stellate Cell Activity.

Metformin treatment is reported to be associated with a lower incidence of and mortality from pancreatic cancer (PC) in type 2 diabetes patients. Activated pancreatic stellate cells (PSCs) are key stroma cells responsible for pancreatic fibrogenesis and PC progression. However, little research is about the influence of metformin on PSCs. Given the potential beneficial effects of metformin on PC, pancreatic tumour stroma is an important target for new therapeutics. We observed the effects of metformin on PSC...

Metformin Reduces Renal Uptake of Radiotracers and Protects Kidneys from Radiation-Induced Damage.

Metformin is the most widely prescribed drug for type 2 diabetes. Chemically, metformin is a hydrophilic base that functions as an organic cation, suggesting that it may have the capacity to inhibit the tubular reabsorption of peptide radiotracers. The purpose of this study was to investigate whether metformin could reduce renal uptake of peptidyl radiotracers and serve as a radioprotective agent for peptide receptor radionuclide therapy (PRRT).

Metformin Is Associated with Improved Survival and Decreased Cardiac Events With No Impact on Patency and Limb Salvage After Revascularization for Peripheral Arterial Disease.

The incidence of cardiovascular and limb-specific adverse outcomes is higher in PAD patients with diabetes. Metformin is associated with improved cardiovascular morbidity and mortality. However, the effect of metformin on limb-specific outcomes is unclear. The objective of this study was to assess the effect of metformin on outcomes following intervention for PAD.

Ultrasound Scoring of Endometrial Pattern for Fast-Track Identification or Exclusion of Endometrial Cancer in Women with Postmenopausal Bleeding.

To evaluate the Risk of Endometrial Cancer (REC) scoring system for the prediction of high and low probability of endometrial cancer (EC) in women with postmenopausal bleeding (PMB).

A Gut Feeling for Metformin.

Metformin is a first-line glucose-lowering agent in patients with type 2 diabetes (T2D). Recently in Nature Medicine, Sun et al. (2018) reported that short-term metformin therapy decreases gut Bacteroides fragilis, consequently increasing glycoursodexoycholic acid (GUDCA) levels in humans. As an antagonist of FXR, GUDCA may carry therapeutic potential in the treatment of T2D.

Metformin Promotes Antitumor Immunity via Endoplasmic-Reticulum-Associated Degradation of PD-L1.

Metformin has been reported to possess antitumor activity and maintain high cytotoxic T lymphocyte (CTL) immune surveillance. However, the functions and detailed mechanisms of metformin's role in cancer immunity are not fully understood. Here, we show that metformin increases CTL activity by reducing the stability and membrane localization of programmed death ligand-1 (PD-L1). Furthermore, we discover that AMP-activated protein kinase (AMPK) activated by metformin directly phosphorylates S195 of PD-L1. S195...

Disparities in the Efficacy of Metformin in Combination with Dipeptidyl Peptidase-4 Inhibitor as Initial Treatment Stratified by Dosage and Ethnicity: A Meta-Analysis.

As initial combination therapy of metformin and dipeptidyl peptidase-4 (DPP-4) inhibitor, the efficacy and safety for the use of high dose of metformin or low dose of metformin and the efficacy and safety for the combination use for Asian and Caucasian patients were not clear.

Metformin-induced endocrine disruption and oxidative stress of Oryzias latipes on two-generational condition.

Metformin has been treated for diabetes (type 2). Nowadays, this compound is frequently found in ambient water, influent/effluent of a wastewater treatment plant. To evaluate the metformin aquatic toxicity under a multi-generational exposure regimen, we exposed Oryzias latipes to metformin for two generations (133 d) and investigated its adverse effects. In the F0 generation, metformin significantly elevated gene expression for cytochrome P450 19a (CYP19a) and estrogen receptor α (ERα) in male fish; in fe...

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