PubMed Journals Articles About "Metformin Endometrial Hyperplasia" RSS

02:14 EDT 23rd July 2018 | BioPortfolio

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Showing "Metformin endometrial hyperplasia" PubMed Articles 1–25 of 923

Can concurrent high-risk endometrial carcinoma occur with atypical endometrial hyperplasia?

This study investigated the frequency of high-risk cancer types in hysterectomy material obtained from patients who were diagnosed with atypical endometrial hyperplasia (AEH) by endometrial sampling.

Low-dose LNG-IUS as Therapy for Endometrial Hyperplasia. A Prospective Cohort Pilot Study.

Progestin therapy has been accepted as therapy for low- and medium-risk endometrial hyperplasia. The aim of this study was to investigate the efficacy of the low-dose levonorgestrel-impregnated intrauterine system (LNG-IUS) 13.5 mg (Jaydess®, Bayer Pharmaceuticals, Berlin, Germany) as therapy for endometrial hyperplasia.

Antitumor effects of metformin via indirect inhibition of protein phosphatase 2A in patients with endometrial cancer.

Metformin, an antidiabetic drug, inhibits the endometrial cancer cell growth in vivo by improving the insulin resistance; however, its mechanism of action is not completely understood. Protein phosphatase 2A (PP2A) is a serine/threonine phosphatase associated with insulin resistance and type 2 diabetes, and its inhibition restores the insulin resistance. This study investigated the antitumor effect of metformin on endometrial cancer with a focus on PP2A.

Factors Associated with Malignancy in Hysteroscopically Resected Endometrial Polyps: a Systematic Review and Meta-Analysis.

The objective of our study was to estimate the frequency of pre-malignant and malignant lesions in endometrial polyps and to evaluate associated clinical and demographic factors. A literature search was performed in major databases and the gray literature using the terms polyps OR endometrial polyp AND endometrial neoplasms OR endometrial cancer OR endometrial hyperplasia OR malignan*. Studies describing the frequency of pre-malignant and malignant lesions in endometrial polyps and any clinical or demograph...

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...

Metformin-Induced Lactic Acidosis: A Case Study.

Metformin is the first line management for patients with Type 2 diabetes mellitus. Metformin-induced lactic acidosis (MALA) is a severe side effect of metformin in high doses. However, there have not been many reported cases of MALA. The threshold metformin concentration needed to induce lactic acidosis is still not fully understood. It is important for physicians to measure metformin levels upon admission in Type 2 diabetes patients who take metformin and present with suspected lactic acidosis. We prese...

Metformin increases urinary sodium excretion by reducing phosphorylation of the sodium- chloride cotransporter.

Metformin is an antidiabetic drug that is widely used to treat patients with diabetes mellitus. Recent studies have reported that treatment with metformin not only improved blood glucose levels but also reduced blood pressure. However, it remains unclear how metformin reduces blood pressure. We hypothesized that metformin affects sodium reabsorption in the kidneys.

Maternal obesogenic diet induces endometrial hyperplasia, an early hallmark of endometrial cancer, in a diethylstilbestrol mouse model.

Thirty-eight percent of US adult women are obese, meaning that more children are now born of overweight and obese mothers, leading to an increase in predisposition to several adult onset diseases. To explore this phenomenon, we developed a maternal obesity animal model by feeding mice a diet composed of high fat/ high sugar (HF/HS) and assessed both maternal diet and offspring diet on the development of endometrial cancer (ECa). We show that maternal diet by itself did not lead to ECa initiation in wildtype...

A novel solution configuration on liquid-based endometrial cytology.

Early detection and diagnosis of endometrial carcinoma and precancerous change would undoubtedly become the most alluring part for researchers. With the emergence of endometrial brush samplers, a new upsurge in endometrial cytology is in the making. But endometrial specimens obtained by the endometrial brush samplers require special preservation solution. The objective of this study is to develop a new kind of endometrial-cell preservation solution and to test the availability compared with a patented liqui...

Clinical and Genomic Crosstalk between Glucocorticoid Receptor and Estrogen Receptor α In Endometrial Cancer.

Steroid hormone receptors are simultaneously active in many tissues and are capable of altering each other's function. Estrogen receptor α (ER) and glucocorticoid receptor (GR) are expressed in the uterus, and their ligands have opposing effects on uterine growth. In endometrial tumors with high ER expression, we surprisingly found that expression of GR is associated with poor prognosis. Dexamethasone reduced normal uterine growth in vivo; however, this growth inhibition was abolished in estrogen-induced...

Metformin use in PCOS pregnancies increases the risk of offspring overweight at 4 years of age; follow-up of two RCTs.

Metformin is used in pregnancy in women with gestational diabetes mellitus, polycystic ovary syndrome (PCOS) and obesity. Metformin passes the placenta.

Thickened Endometrium in Postmenopausal Women With an Initial Biopsy of Limited, Benign, Surface Endometrium: Clinical Outcome and Subsequent Pathologic Diagnosis.

Endometrial biopsy or curetting is indicated for postmenopausal women with abnormal uterine bleeding and/or thickened endometrium. Often, endometrial biopsy or curetting yields limited benign surface endometrium, which may indicate insufficient sampling. This study addresses the clinical outcome and subsequent pathologic diagnoses in postmenopausal women who received this initial diagnosis. Among a total of 370 endometrial biopsy or curetting between 2012 and 2015, 192 (52%) were diagnosed as limited benign...

Metformin-induced anticancer activities: recent insights.

Metformin is a widely used antidiabetic drug and there is evidence among diabetic patients that metformin is a chemopreventive agent against multiple cancers. There is also evidence in human studies that metformin is a cancer chemotherapeutic agent, and several clinical trials that use metformin alone or in combination with other drugs are ongoing. In vivo and in vitro cancer cell culture studies demonstrate that metformin induces both AMPK-dependent and AMPK-independent genes/pathways that result in inhibi...

Renoprotective Effects of Metformin.

It has become clear that metformin exerts pleiotropic actions beyond its glucose-lowering agent effect. In this review, we summarise the state of the art concerning the potential renoprotective effects of metformin in vitro, animal models and clinical nephrology.

Pharmacokinetics of metformin in patients with gastrointestinal intolerance.

Metformin intolerance symptoms are gastrointestinal in nature, but the underlying mechanism is poorly understood. The aim of this study was to assess potential causes of metformin intolerance including: altered metformin uptake from the intestine; increased anaerobic glucose utilisation and subsequent lactate production; altered serotonin uptake; and altered bile acid pool.

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...

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).

Metformin blocks mitochondrial membrane potential and inhibits sperm motility in fresh and refrigerated boar spermatozoa.

Metformin is clinically used to treat diabetes. Given its role-impacting metabolism, metformin has been also added to semen cryopreservation media showing specie-dependent effects. We aimed to investigate metformin effects in both fresh (38.5°C for 2, 24 hr) and refrigerated (17°C for 10 days) boar spermatozoa. Metformin (2 hr) does not affect fresh sperm viability, membrane lipid organization nor acrosome integrity. However, metformin (24 hr) blocks sperm ΔΨm and significantly reduces % motile sper...

Progesterone, progestins and the endometrium in perimenopause and in menopausal hormone therapy.

It is well established that unopposed estrogen for hormone therapy in postmenopausal women (MHT) induces a dose-related stimulation of the endometrium associated with an increased risk of hyperplasia and endometrial cancer. Progesterone acts physiologically to counteract the proliferative effects of estradiol during the menstrual cycle. In MHT, progestogens protect the endometrium against the proliferative effects of estrogens in women with a uterus. Recent data suggest that, whereas micronized progesterone...

High dose targeted delivery on cancer sites and the importance of short-chain fatty acids for metformin's action: Two crucial aspects of the wonder drug.

Metformin is a popular anti-diabetic drug currently being explored for its role in cancer and gut microbiome amongst other areas. Recently, Adak T et al. explicatively reviewed metformin's effects as an anti-cancer drug and a gut microbiome modulator. We feel that the authors have not adequately addressed some of the key concerns around metformin in their report and in this correspondence, we seek to add some of the issues that need to be addressed by researchers.

Aspirin and metformin exhibit antitumor activity in murine breast cancer.

Studies have shown that aspirin and metformin play important roles in chemoprevention and repression of breast cancers, even though the exact mechanism remains unclear. Aspirin is capable of stimulating apoptosis through prostaglandin-dependent or prostaglandin-independent pathways. Metformin inhibits cell growth by enhancing the tumor suppressive function of transforming growth factor (TGF-β). In the present study, we report a new link between aspirin, metformin, TGF-β1 and murine breast cancer inhibitio...

Metformin protects against LPS-induced intestinal barrier dysfunction by activating AMPK pathway.

Metformin not only regulates energy metabolism, but also involves in many cellular processes. In this study, we investigated the effect of metformin on lipopolysaccharide (LPS)-induced intestinal barrier damage. We found that LPS treatment decreased the expression of tight junction proteins, caused pro-inflammatory response and oxidative stress in intestine. Interestingly, metformin treatments attenuated LPS-induced intestinal barrier damage, inflammation and oxidative stress. We found that metformin improv...

Association of BMI and height with the risk of endometrial cancer, overall and by histological subtype: a population-based prospective cohort study in Japan.

Evidence on the association between BMI, height, and endometrial cancer risk, including by subtypes, among Asian populations remains limited. We evaluated the impact of BMI and height on the risk of endometrial cancer, overall and by histological subtype. We prospectively investigated 53 651 Japanese women aged 40-69 years. With an average follow-up duration of 18.6 years, 180 newly diagnosed endometrial cancers were reported, including 119 type 1 and 21 type 2. The association between BMI, height, and en...

Does metformin treatment during pregnancy modify future metabolic profile in women with PCOS?

Worldwide, metformin is prescribed in an attempt to improve pregnancy outcome in PCOS. Metformin may also benefit future health by modulating the increased metabolic stress during pregnancy.

Metformin Targets Brown Adipose Tissue in vivo and Reduces Oxygen Consumption in vitro.

Metformin is the most widely prescribed oral antidiabetic drug worldwide. Despite well-documented beneficial effects on health outcomes in diabetic patients, the target organs that mediate the effects of metformin remain to be established. In adult humans, brown adipose tissue (BAT) can influence basic metabolic rate, making BAT an attractive target for treatment of type 2 diabetes. Under the hypothesis that BAT is a metformin target tissue, we investigated in vivo uptake of [ C]-metformin tracer in mice an...

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