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https://www.readbyqxmd.com/read/28106545/the-alterations-of-serum-fgf-21-levels-metabolic-and-body-composition-in-early-breast-cancer-patients-receiving-adjuvant-endocrine-therapy
#1
Murat Akyol, Ahmet Alacacioglu, Leyla Demir, Yuksel Kucukzeybek, Yasar Yildiz, Zehra Gumus, Mete Kara, Tarik Salman, Umut Varol, Halil Taskaynatan, Utku Oflazoglu, Vedat Bayoglu, Mustafa Oktay Tarhan
BACKGROUND: In early breast cancer patients, the effects of hormonal therapy (tamoxifen and aromatase inhibitors) on plasma fibroblast growth factor 21 (FGF-21), lipid levels and body composition have not yet been investigated. Therefore, we aimed to analyze the relationship between FGF-21 and body composition as well as the effects of tamoxifen and aromatase inhibitors on plasma lipid levels, FGF-21, and body composition. METHODS: A total of 72 patients were treated with either tamoxifen or aromatase inhibitors due to their menopausal status after adjuvant radiotherapy...
January 13, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28088388/activation-of-gr-but-not-pxr-by-dexamethasone-attenuated-acetaminophen-hepatotoxicities-via-fgf21-induction
#2
Saurabh G Vispute, Pengli Bu, Yuan Le, Xingguo Cheng
Glucocorticoid receptor (GR) signaling is indispensable for cell growth and development, and plays important roles in drug metabolism. Fibroblast growth factor (Fgf) 21, an important regulator of glucose, lipid, and energy metabolism, plays a cytoprotective role by attenuating toxicities induced by chemicals such as dioxins, acetaminophen (APAP), and alcohols. The present study investigates the impact of dexamethasone (DEX)-activated GR on Fgf21 expression and how it affects the progression of APAP-induced hepatotoxicity...
January 11, 2017: Toxicology
https://www.readbyqxmd.com/read/28069899/lps-infusion-suppresses-serum-fgf21-levels-in-healthy-adult-volunteers
#3
Esben Stistrup Lauritzen, Nikolaj Rittig, Ermina Bach, Niels Moller, Mette Bjerre
CONTEXT: During the inflammatory acute phase response plasma glucose and serum triglycerides are increased in humans. Fibroblast growth factor (FGF) 21 has plasma glucose and lipid reducing actions, but its role in the acute inflammatory response in human is unknown. OBJECTIVE: To investigate circulating levels of FGF21 after lipopolysaccharide (LPS) infusion. DESIGN: Two randomized, single blinded, placebo-controlled crossover trials were used...
January 9, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28060761/identification-of-micrornas-associated-with-glioma-diagnosis-and-prognosis
#4
Xinyun Ye, Wenjin Wei, Zhengyu Zhang, Chunming He, Ruijin Yang, Jinshi Zhang, Zhiwu Wu, Qianliang Huang, Qiuhua Jiang
The sensitivity and specificity of microRNAs (miRNAs) for diagnosing glioma are controversial. We therefore performed a meta-analysis to systematically identify glioma-associated miRNAs. We initially screened five miRNA microarray datasets to evaluate the differential expression of miRNAs between glioma and normal tissues. We next compared the expression of the miRNAs in different organs and tissues to assess the sensitivity and specificity of the differentially expressed miRNAs in the diagnosis of glioma. Finally, pathway analysis was performed using GeneGO...
January 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28041926/chronic-over-expression-of-fibroblast-growth-factor-21-increases-bile-acid-biosynthesis-by-opposing-fgf15-19-action
#5
Jun Zhang, Jamila Gupte, Yan Gong, Jennifer Weiszmann, Yuan Zhang, Ki Jeong Lee, William G Richards, Yang Li
Pharmacological doses of fibroblast growth factor (FGF) 21 effectively normalize glucose, lipid and energy homeostasis in multiple animal models with many benefits translating to obese humans with type 2 diabetes. However, a role for FGF21 in the regulation of bile acid metabolism has not been reported. Herein, we demonstrate AAV-mediated FGF21 overexpression in mice increases liver expression of the key bile acid producing enzyme, Cyp7a1, resulting in an increased bile acid pool. Furthermore, in cholecystectomized mice, FGF21-mediated bile acid pool increase led to increased transit of bile acids into colon...
February 2017: EBioMedicine
https://www.readbyqxmd.com/read/28039838/fibroblast-growth-factor-21-and-its-novel-association-with-oxidative-stress
#6
REVIEW
Miguel Ángel Gómez-Sámano, Mariana Grajales-Gómez, Julia María Zuarth-Vázquez, Ma Fernanda Navarro-Flores, Mayela Martínez-Saavedra, Óscar Alfredo Juárez-León, Mariana G Morales-García, Víctor Manuel Enríquez-Estrada, Francisco J Gómez-Pérez, Daniel Cuevas-Ramos
Fibroblast growth factor 21 (FGF21) is an endocrine-member of the FGF family. It is synthesized mainly in the liver, but it is also expressed in adipose tissue, skeletal muscle, and many other organs. It has a key role in glucose and lipid metabolism, as well as in energy balance. FGF21 concentration in plasma is increased in patients with obesity, insulin resistance, and metabolic syndrome. Recent findings suggest that such increment protects tissue from an increased oxidative stress environment. Different types of physical stress, such as strenuous exercising, lactation, diabetic nephropathy, cardiovascular disease, and critical illnesses, also increase FGF21 circulating concentration...
December 22, 2016: Redox Biology
https://www.readbyqxmd.com/read/28017785/hepatic-lipid-metabolism-and-non-alcoholic-fatty-liver-disease-in-aging
#7
Zhenwei Gong, Emir Tas, Shoshana Yakar, Radhika Muzumdar
Aging is associated with dysregulation of glucose and lipid metabolism. Various factors that contribute to the dysregulation include both modifiable (e.g. obesity, insulin resistance) and non-modifiable risk factors (age-associated physiologic changes). Although there is no linear relationship between aging and prevalence of non-alcoholic fatty liver disease, current data strongly suggests that advanced age leads to more severe histological changes and poorer clinical outcomes. Hepatic lipid accumulation could lead to significant hepatic and systemic consequences including steatohepatitis, cirrhosis, impairment of systemic glucose metabolism and metabolic syndrome, thereby contributing to age-related diseases...
December 22, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28005535/ectopic-adipose-tissue-storage-in-the-left-and-the-right-renal-sinus-is-asymmetric-and-associated-with-serum-kidney-injury-molecule-1-and-fibroblast-growth-factor-21-levels-increase
#8
Gita Krievina, Peteris Tretjakovs, Ilze Skuja, Vija Silina, Laura Keisa, Daiga Krievina, Guntis Bahs
OBJECTIVE: A potential mechanism by which obesity could promote hypertension and kidney diseases is through accumulation of adipose tissue in the renal sinus (RS). The aim of the study was to quantify RS and abdominal adipose tissue volumes and to evaluate serum kidney injury molecule (sKIM)-1 and fibroblast growth factor (FGF)-21 association with different adipose tissue compartments. METHODS: The cross-sectional study included 280 and follow-up study-40 asymptomatic participants; aged 38...
November 2016: EBioMedicine
https://www.readbyqxmd.com/read/27932973/decline-in-proliferation-and-immature-neuron-markers-in-the-human-subependymal-zone-during-aging-relationship-to-egf-and-fgf-related-transcripts
#9
Christin Weissleder, Samantha J Fung, Matthew W Wong, Guy Barry, Kay L Double, Glenda M Halliday, Maree J Webster, Cynthia Shannon Weickert
Neuroblasts exist within the human subependymal zone (SEZ); however, it is debated to what extent neurogenesis changes during normal aging. It is also unknown how precursor proliferation may correlate with the generation of neuronal and glial cells or how expression of growth factors and receptors may change throughout the adult lifespan. We found evidence of dividing cells in the human SEZ (n D 50) in conjunction with a dramatic age-related decline (21-103 years) of mRNAs indicative of proliferating cells (Ki67) and immature neurons (doublecortin)...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27925195/palmitoleic-acid-improves-metabolic-functions-in-fatty-liver-by-ppar%C3%AE-dependent-ampk-activation
#10
Camila O Souza, Alexandre A S Teixeira, Luana A Biondo, Edson A Lima, Helena A P Batatinha, Jose C Rosa Neto
BACKGROUND: Palmitoleic acid, since described as lipokine, increases glucose uptake by modulation of 5'AMP-activated protein kinase (AMPK), as well as increasing lipolysis by activation of peroxisome proliferator-activated receptor-α (PPARα), in adipose tissue. However in liver, the effects of palmitoleic acid on glucose metabolism and the role of PPARα remain unknown. OBJECTIVE: To investigate whether palmitoleic acid improved the hepatic insulin sensitivity of obese mice...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27921428/-promising-molecules-for-treatment-of-hyperglycemia-in-patients-with-type-2-diabetes
#11
Milan Kvapil
New antidiabetic drugs are being developed today that expand the range of pharmacological intervention, in particular for patients with type 2 diabetes (imeglimin, semaglutide, dulaglutide, FGF 21 analogue). At the same time innovations take place that "better" the well-proven molecules, they offer new application forms we have no experience of diabetology (osmotic pump for exenatide, faster acting insulin aspart). New properties are brought by just the change of concentration (insulin glargine in a concentration of 300 U/ml), unexpected positive results are also brought by new fixed-ratio combinations of antidiabetics (fixed-ratio combination of insulin degludec and liraglutide, fixed-ratio combination of insulin glargine and lixisenatide)...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27878865/fibroblast-growth-factor-21-night-watch-advances-and-uncertainties-in-the-field
#12
REVIEW
A Kharitonenkov, R DiMarchi
Fibroblast growth factor (FGF) 21 belongs to a hormone-like subgroup within the FGF superfamily. The members of this subfamily, FGF19, FGF21 and FGF23, are characterized by their reduced binding affinity for heparin that enables them to be transported in the circulation and function in an endocrine manner. It is likely that FGF21 also acts in an autocrine and paracrine fashion, as multiple organs can produce this protein and its plasma concentration seems to be below the level necessary to induce a pharmacological effect...
November 22, 2016: Journal of Internal Medicine
https://www.readbyqxmd.com/read/27875248/vildagliptin-and-caloric-restriction-for-cardioprotection-in-pre-diabetic-rats
#13
Pongpan Tanajak, Hiranya Pintana, Natthaphat Siri-Angkul, Juthamas Khamseekaew, Nattayaporn Apaijai, Siriporn C Chattipakorn, Nipon Chattipakorn
Long-term high-fat diet (HFD) consumption causes cardiac dysfunction. Although calorie restriction (CR) has been shown to be useful in obesity, we hypothesized that combined CR with dipeptidyl peptidase-4 (DPP-4) inhibitor provides greater efficacy than monotherapy in attenuating cardiac dysfunction and metabolic impairment in HFD-induced obese-insulin resistant rats. Thirty male Wistar rats were divided into 2 groups to be fed on either a normal diet (ND, n = 6) or a HFD (n = 24) for 12 weeks. Then, HFD rats were divided into 4 subgroups (n = 6/subgroup) to receive just the vehicle, CR diet (60% of mean energy intake and changed to ND), vildagliptin (3 mg/kg/day) or combined CR and vildagliptin for 4 weeks...
February 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/27825029/the-role-of-fibroblast-growth-factor-2-in-patients-with-uterine-smooth-muscle-tumors-an-immunohistochemical-study
#14
Barbara Bodner-Adler, Klaus Mayerhofer, Klaus Czerwenka, Oliver Kimberger, Heinz Koelbl, Klaus Bodner
OBJECTIVE: Fibroblast growth factor 2 (FGF-2) is considered to be a potent stimulator of angiogenesis and seems therefore to play an important role in the growth of tumors. We compared the immunohistochemical profile of FGF-2 in patients with uterine leiomyomas, smooth muscle tumors of uncertain malignant potential (STUMP) and leiomyosarcoma (LMS). Furthermore, we tried to clarify the prognostic role of FGF-2 in uterine leiomyosarcoma. STUDY DESIGN: FGF-2 expression was investigated by immunohistochemistry from paraffin-embedded tissue in 26 patients with leiomyoma, in 24 cases with STUMP and in 21 patients with LMS...
December 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27813377/metabolic-syndrome-and-the-seminal-cytokine-network-in-morbidly-obese-males
#15
A Pilatz, C Hudemann, J Wolf, I Halefeld, A Paradowska-Dogan, H-C Schuppe, H Hossain, Q Jiang, D Schultheiss, H Renz, W Weidner, F Wagenlehner, T Linn
Given the increasing prevalence of metabolic syndrome (MetS) in males of reproductive age, the objective of this prospective case-controlled study was to investigate the impact of subacute systemic inflammation associated with MetS on seminal cytokines and standard sperm parameters in comparison with healthy men. Between 2011 and 2014, we recruited 27 patients with MetS out of 41 obese patients screened from an internal outpatient clinic. Twenty-seven age-matched healthy controls were enrolled from 54 men requesting vasectomy in a urological outpatient clinic...
January 2017: Andrology
https://www.readbyqxmd.com/read/27752839/levels-of-metabolic-markers-in-drug-naive-prediabetic-and-type-2-diabetic-patients
#16
Amal Akour, Violet Kasabri, Nailya Boulatova, Yasser Bustanji, Randa Naffa, Dana Hyasat, Nahla Khawaja, Haidar Bustanji, Ayman Zayed, Munther Momani
AIMS: Type 2 diabetes mellitus (T2DM) and prediabetes (pre-DM) are associated with changes in levels of metabolic markers. The main aim of this study is to compare the levels of omentin, irisin, endothelin-1, nesfatin, hepatocyte growth factor (HGF), fibroblast growth factor, and oxytocin (OXT) between normoglycemic and pre-DM/T2DM obese Jordanian patients. METHODS: One hundred and ninety-eight adult Jordanian subjects were recruited. Demographic data and clinical parameters were collected...
October 18, 2016: Acta Diabetologica
https://www.readbyqxmd.com/read/27750286/secretion-profile-of-induced-pluripotent-stem-cell-derived-retinal-pigment-epithelium-during-wound-healing
#17
Whitney A Greene, Teresa A Burke, Elaine D Por, Ramesh R Kaini, Heuy-Ching Wang
Purpose: The purpose of this study was to characterize the secretion profile of induced pluripotent stem cell-derived retinal pigment epithelium (iPS-RPE) during wound healing. iPS-RPE was used to develop an in vitro wound healing model. We hypothesized that iPS-RPE secretes cytokines and growth factors which act in an autocrine manner to promote migration and proliferation of cells during wound healing. Methods: iPS-RPE was grown in transwells until fully confluent and pigmented...
August 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27721584/the-three-sisters-of-fate-in-multiple-sclerosis-klotho-clotho-fibroblast-growth-factor-23-lachesis-and-vitamin-d-atropos
#18
Hamit Yasar Ellidag, Necat Yilmaz, Fatma Kurtulus, Ozgur Aydin, Esin Eren, Ayca Inci, Suleyman Dolu, Fatma Demet Arslan Ince, Özlem Giray, Aylin Yaman
BACKGROUND: The klotho (Klt)-fibroblast growth factor-23 (FGF-23)-vitamin D axis is the main component of calcium (Ca) and phosphorus (P) metabolisms; on the contrary, it is also secreted from the choroid plexus (CP). PURPOSE: This study is aimed at evaluating serum soluble Klt (sKlt), FGF-23, and 25-(OH)-vitamin D levels in multiple sclerosis (MS) patients. METHODS: Thirty-two relapsing-remitting MS patients (11 males and 21 females; mean age 38...
September 2016: Annals of Neurosciences
https://www.readbyqxmd.com/read/27693487/plasma-kisspeptin-and-ghrelin-levels-are-independently-correlated-with-physical-activity-in-patients-with-anorexia-nervosa
#19
Tobias Hofmann, Ulf Elbelt, Verena Haas, Anne Ahnis, Burghard F Klapp, Matthias Rose, Andreas Stengel
While physical hyperactivity represents a frequent symptom of anorexia nervosa and may have a deleterious impact on the course of the disease, the underlying mechanisms are poorly understood. Since several food intake-regulatory hormones affect physical activity, the aim of the study was to investigate the association of physical activity with novel candidate hormones (kisspeptin, ghrelin, oxyntomodulin, orexin-A, FGF-21, R-spondin-1) possibly involved in patients with anorexia nervosa. Associations with psychometric parameters and body composition were also assessed...
January 1, 2017: Appetite
https://www.readbyqxmd.com/read/27685949/corneal-keratocyte-transition-to-mesenchymal-stem-cell-phenotype-and-reversal-using-serum-free-medium-supplemented-with-fgf-2-tgf-%C3%A3-3-and-retinoic-acid
#20
Laura E Sidney, Andrew Hopkinson
Keratocytes of the corneal limbal stroma can derive populations of mesenchymal stem cells (MSC) when expanded in vitro. However, once a corneal MSC (cMSC) phenotype is achieved, regaining the keratocyte phenotype can be challenging, and there is no standardised differentiation medium. Here, we investigated the transition of keratocytes to cMSC and compared different supplements in their ability to return cMSC to a keratocyte phenotype. Immunofluorescence and RT-qPCR demonstrated in vivo keratocyte expression of ALDH3A1, CD34 and keratocan, but not any of the typical MSC markers (CD73, CD90, CD105)...
September 29, 2016: Journal of Tissue Engineering and Regenerative Medicine
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