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https://www.readbyqxmd.com/read/29454302/aerobic-exercise-inhibits-obesity-induced-respiratory-phenotype
#1
Jefferson Comin Jonco Aquino-Junior, BreAnne MacKenzie, Ana Roberta Almeida-Oliveira, Ana Carolina Martins, Manoel Carneiro Oliveira-Junior, Auriléa Aparecida Britto, Fernanda Magalhaes Arantes-Costa, Nilsa Regina Damaceno-Rodrigues, Elia Garcia Caldini, Ana Paula Ligeiro de Oliveira, Dioze Guadagnini, Luiz Osorio Leiria, Djalma Rabelo Ricardo, Mario Jose Abdalla Saad, Rodolfo Paula Vieira
PURPOSE: Obesity results in decreased lung function and increased inflammation. Moderate aerobic exercise (AE) reduced lung inflammation and remodeling in a variety of respiratory disease models. Therefore, this study investigated whether AE can attenuate a diet-induced obesity respiratory phenotype; including airway hyper-responsiveness (AHR), remodeling and inflammation. METHODS: Sixty C57Bl/6 male mice were distributed into four groups: control lean (CL), exercise lean (EL), obese (O) and obese exercise (OE) groups (2 sets of 7 and 8 mice per group; n = 15)...
February 14, 2018: Cytokine
https://www.readbyqxmd.com/read/29453428/igf-i-and-igfbp-3-concentrations-at-2-years-associations-with-anthropometry-and-milk-consumption-in-an-indian-cohort
#2
Andrea S Wiley, Suyog M Joshi, Himangi G Lubree, Dattatray S Bhat, Neelam S Memane, Deepa A Raut, Chittaranjan S Yajnik
BACKGROUND/OBJECTIVES: To ascertain associations between plasma insulin-like growth factor I (IGF-I), insulin-like growth factor-binding protein 3 (IGFBP-3) and their molar ratio at 2 y with neonatal size, infant growth, body composition at 2 y, and feeding practices in an Indian cohort. SUBJECTS/METHODS: A cohort of 209 newborns, with 122 followed at 2 y. Anthropometry was conducted at birth and 2 y. IGF-I and IGFBP-3 concentrations were measured in cord blood and at 2 y...
February 16, 2018: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29453401/endothelial-smoothened-dependent-hedgehog-signaling-is-not-required-for-sonic-hedgehog-induced-angiogenesis-or-ischemic-tissue-repair
#3
Rajesh Gupta, Alexander R Mackie, Sol Misener, Lijun Liu, Douglas W Losordo, Raj Kishore
Sonic Hedgehog (Shh) signaling induces neovascularization and angiogenesis. It is not known whether the hedgehog signaling pathway in endothelial cells is essential to angiogenesis. Smoothened (Smo) transduces hedgehog signaling across the cell membrane. This study assessed whether endothelial Smoothened-dependent Shh signaling is required for Shh-mediated angiogenesis and ischemic tissue repair. Endothelial-specific smoothened knockout mice, eSmo Null were created using Cre-lox recombination system. eSmo Null mice had no observable phenotype at baseline and showed normal cardiac function...
February 16, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29452886/shifting-the-igf-axis-an-age-related-decline-in-human-tear-igf-1-correlates-with-clinical-signs-of-dry-eye
#4
Roshni Patel, Meifang Zhu, Danielle M Robertson
OBJECTIVE: The human corneal epithelium expresses both the insulin-like growth factor type 1 receptor (IGF-1R) and the IGF-1R/insulin receptor (INSR) hybrid. Despite the previous identification of IGF-1 in human tear fluid, little is known regarding the regulation of IGF-1 in tear fluid and its role in corneal epithelial homeostasis. In the present study, we investigated the impact of biological parameters on the concentration of human tear levels of IGF-1. DESIGN: Tear levels of IGF-1 were measured in 41 healthy, human volunteers without any reported symptoms of dry eye...
February 6, 2018: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/29451227/statural-growth-and-prevalence-of-endocrinopathies-in-relation-to-liver-iron-content-lic-in-adult-patients-with-beta-thalassemia-major-btm-and-sickle-cell-disease-scd
#5
Mohamed A Yassin, Ashraf T Soliman, Vincenzo De Sanctis, Mohammad Aj Abdula, Lubna M Riaz, Firdous F Ghori, Anil Yousaf, Abdulqadir J Nashwan, Sandara Abusamaan, Abbas Moustafa, Samah Kohla, Dina S Soliman
Despite regular blood transfusion and iron chelation therapy, growth impairment and pubertal delay are commonly seen in children and adolescents with transfusion-dependent Beta thalassaemia major (BTM) and sickle cell disease (SCD). We evaluated growth parameters and endocrine disorders in relation to the liver iron concentration (LIC) assessed by the Ferriscan® method in a cohort of adults with SCD (n =40) and BTM (n = 52) receiving blood transfusions and iron chelation therapy since early childhood. Before transfusion, hemoglobin concentration had not been less than 9 g/dl in the past 12 years; subcutaneous daily desferrioxamine was administered for all of them since early childhood (2- 5 years of age)...
February 16, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29451226/final-adult-height-and-endocrine-complications-in-young-adults-with-%C3%AE-thalassemia-major-tm-who-received-oral-iron-chelation-oic-in-comparison-with-those-who-did-not-use-oic
#6
Ashraf T Soliman, Mohamed A Yassin, Vincenzo De Sanctis
BACKGROUND: Relatively little is known about endocrine function, bone mineral health, and growth during oral iron chelation therapy in β-thalassemia major patients (TM) on treatment with deferasirox. AIMS OF THE STUDY: To study the frequency of endocrine complications, IGF-1 levels and final adult standing height (FA-Ht) in patients with BTM in two groups of adult patients. PATIENTS AND METHODS: The first group (Group A; 15 patients, 6 females and 9 males) received oral iron chelation therapy (OIC) with deferasirox for 6 years before puberty; the second group (Group B;40 patients) attained the FA-Ht before the use of OIC (iron chelation therapy with deferoxamine (DFO) given subcutaneously, since the age of 2 years)...
February 16, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29450728/winter-vitamin-d-3-supplementation-does-not-increase-muscle-strength-but-modulates-the-igf-axis-in-young-children
#7
Charlotte Mortensen, Christian Mølgaard, Hanne Hauger, Michael Kristensen, Camilla T Damsgaard
PURPOSE: To explore whether muscle strength, the insulin-like growth factor axis (IGF-axis), height, and body composition were associated with serum 25-hydroxyvitamin D [25(OH)D] and affected by winter vitamin D supplementation in healthy children, and furthermore to explore potential sex differences. METHODS: We performed a double-blind, placebo-controlled, dose-response winter trial at 55ºN. A total of 117 children aged 4-8 years were randomly assigned to either placebo, 10, or 20 µg/day of vitamin D 3 for 20 weeks...
February 15, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29448973/camp-response-element-binding-protein-1-controls-porcine-ovarian-cell-proliferation-apoptosis-and-fsh-and-insulin-like-growth-factor-1-response
#8
A V Sirotkin, A Benčo, A Tandlmajerová, M Lauková, D Vašíček, J Laurinčik, J Kornhauser, S Alwasel, A H Harrath
The aim of the present study was to examine the role of cAMP response element-binding protein (CREB) and its phosphorylation in the regulation of ovarian cell proliferation and apoptosis, and of the response of proliferation and apoptosis to the upstream hormonal stimulators FSH and insulin-like growth factor (IGF) 1. In the first series of experiments, porcine ovarian granulosa cells, transfected or not with a gene construct encoding wild-type CREB1 (CREB1WT), were cultured with and without FSH (0, 1, 10 or 100ngmL-1)...
February 16, 2018: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29447074/social-cognition-in-the-course-of-psychosis-and-its-correlation-with-biomarkers-in-a-male-cohort
#9
Evangelos Ntouros, Evangelos Karanikas, Georgios Floros, Christina Andreou, Aikaterini Tsoura, Georgios Garyfallos, Vasilios P Bozikas
INTRODUCTION: Patients diagnosed with schizophrenia display deficits in Theory of Mind (ToM) and Emotion Perception (EP) even before the appearance of full-blown symptomatology. METHODS: We evaluated ToM and EP in a male cohort consisting of 25 First Episode Psychosis (FEP) and 16 relapsed schizophrenic patients (CHRON) compared to 12 subjects in Ultra-high Risk (UHR) and 23 healthy controls (CTR). Furthermore, we measured the levels of Cortisol, Insulin like Growth Factor (IGF-1), TNF-a, TNF-b and several interleukins as potential biomarkers...
February 15, 2018: Cognitive Neuropsychiatry
https://www.readbyqxmd.com/read/29446977/establishment-growth-proliferation-and-gene-expression-of-buffalo-bubalus-bubalis-transgenic-fetal-fibroblasts-containing-human-insulin-gene-and-production-of-embryos-by-handmade-cloning-using-these-cells
#10
Parul Mehta, Ramakant Kaushik, Karn Pratap Singh, Ankur Sharma, Manoj Kumar Singh, Manmohan Singh Chauhan, Prabhat Palta, Suresh Kumar Singla, Radhey Sham Manik
The aim of the present study was to compare transgenic cells, containing human insulin gene kept under the control of mammary gland-specific buffalo beta-lactoglobulin promoter, and their counterparts, that is, nontransgenic cells, for examining their potential for the production of embryos following somatic cell nuclear transfer (SCNT). The gene construct was delivered into buffalo fetal fibroblasts (BFF) by nucleofection following which, the transfected cells were selected by culture in the presence of G418 for 3 weeks...
February 15, 2018: Cellular Reprogramming
https://www.readbyqxmd.com/read/29445490/primary-growth-hormone-insensitivity-and-psychomotor-delay
#11
Inma Castilla-Cortazar, Julieta Rodríguez De Ita, Gabriel A Aguirre, Joel Rodríguez-Rivera, Mariano García-Magariño, Irene Martín-Estal, Óscar Flores-Caloca, Carlos Diaz-Olachea
We report a case of short stature irresponsive to growth hormone (GH) replacement therapy. Low GH response to provocative tests and undetectable IGF-1 levels had suggested GH deficiency, while response to therapy indicated GH insensitivity. Molecular evaluation of the GH/IGF-1 axis should be performed in these cases to improve diagnosis and therapy.
February 2018: Clinical Case Reports
https://www.readbyqxmd.com/read/29445126/egfr-controls-bone-development-by-negatively-regulating-mtor-signaling-during-osteoblast-differentiation
#12
Markus Linder, Manfred Hecking, Elisabeth Glitzner, Karin Zwerina, Martin Holcmann, Latifa Bakiri, Maria Grazia Ruocco, Jan Tuckermann, Georg Schett, Erwin F Wagner, Maria Sibilia
Mice deficient in epidermal growth factor receptor (Egfr -/- mice) are growth retarded and exhibit severe bone defects that are poorly understood. Here we show that EGFR-deficient mice are osteopenic and display impaired endochondral and intramembranous ossification resulting in irregular mineralization of their bones. This phenotype is recapitulated in mice lacking EGFR exclusively in osteoblasts, but not in mice lacking EGFR in osteoclasts indicating that osteoblasts are responsible for the bone phenotype...
February 14, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29445110/promising-biomarkers-of-environmental-enteric-dysfunction-a-prospective-cohort-study-in-pakistani-children
#13
Najeeha Talat Iqbal, Kamran Sadiq, Sana Syed, Tauseefullah Akhund, Fayyaz Umrani, Sheraz Ahmed, Mohammad Yawar Yakoob, Najeeb Rahman, Shahida Qureshi, Wenjun Xin, Jennie Z Ma, Molly Hughes, Syed Asad Ali
Environmental Enteric Dysfunction (EED), a syndrome characterized by chronic gut inflammation, contributes towards stunting and poor response to enteric vaccines in children in developing countries. In this study, we evaluated major putative biomarkers of EED using growth faltering as its clinical proxy. Newborns (n = 380) were enrolled and followed till 18 months with monthly anthropometry. Biomarkers associated with gut and systemic inflammation were assessed at 6 and 9 months. Linear mixed effects model was used to determine the associations of these biomarkers with growth faltering between birth and 18 months...
February 14, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29444893/dusp6-attenuates-ras-mapk-signaling-to-limit-zebrafish-heart-regeneration
#14
Maria A Missinato, Manush Saydmohammed, Daniel A Zuppo, Krithika S Rao, Graham W Opie, Bernhard Kühn, Michael Tsang
Zebrafish regenerate cardiac tissue through proliferation of pre-existing cardiomyocytes and neovascularization. Secreted growth factors such as FGFs, IGF, PDGFs, and Neuregulin (Nrg) play essential roles in stimulating cardiomyocyte proliferation. These factors activate the Ras/MAPK pathway, which is finely controlled by the feedback attenuator Dual Specificity Phosphatase 6 (Dusp6), an ERK phosphatase. Here we show that suppressing Dusp6 function enhanced cardiac regeneration. Inactivation of Dusp6 by small molecules or by gene inactivation increased cardiomyocyte proliferation, coronary angiogenesis, and reduced fibrosis after ventricular resection...
February 14, 2018: Development
https://www.readbyqxmd.com/read/29444710/a-novel-in-vitro-model-for-the-assessment-of-postnatal-myonuclear-accretion
#15
Anita Kneppers, Lex Verdijk, Chiel de Theije, Mark Corten, Ellis Gielen, Luc van Loon, Annemie Schols, Ramon Langen
BACKGROUND: Due to the post-mitotic nature of myonuclei, postnatal myogenesis is essential for skeletal muscle growth, repair, and regeneration. This process is facilitated by satellite cells through proliferation, differentiation, and subsequent fusion with a pre-existing muscle fiber (i.e., myonuclear accretion). Current knowledge of myogenesis is primarily based on the in vitro formation of syncytia from myoblasts, which represents aspects of developmental myogenesis, but may incompletely portray postnatal myogenesis...
February 14, 2018: Skeletal Muscle
https://www.readbyqxmd.com/read/29444261/selective-androgen-receptor-modulator-s42-suppresses-prostate-cancer-cell-proliferation
#16
Takako Kawanami, Tomoko Tanaka, Yuriko Hamaguchi, Takashi Nomiyama, Hajime Nawata, Tosihiko Yanase
We previously identified a novel selective androgen receptor modulator (SARM), S42, which does not stimulate prostate growth but has a beneficial effect on lipid metabolism. In the prostate cancer (PC) cell line LNCaP, S42 did not induce androgen receptor (AR) transactivation but antagonized 5α-dihydrotestosterone (DHT)-induced AR activation. Next, we investigated whether S42 suppresses the growth of PC cell lines. Basal growth of LNCaP cells was significantly suppressed by treatment with S42 compared with vehicle, as determined by cell counting and BrdU assays...
February 12, 2018: Endocrinology
https://www.readbyqxmd.com/read/29442728/inhibition-of-p53-relieves-insulin-resistance-in-fetal-growth-restriction-mice-with-catch-up-growth-via-activating-igfbp3-igf-1-irs-1-akt-signaling-pathway
#17
Ping Peng, Chunling Ma, Shumei Wan, Wensheng Jin, Yan Gao, Tianqing Huang, Qi Cheng, Changlan Ye
To investigate insulin resistance of the fetal growth restriction (FGR) mice with catch-up growth (CUG) and the underlying mechanism, in this study, low protein diet was used during pregnancy to establish the FGR mice model, and high fat diet was applied to establish the CUG model of FGR mice. The insulin and Pifithrin-α stimulation was performed via intraperitoneal injection. The physical characters, biochemical parameters, expression of related molecules in each group were detected via ELISA, RT-PCR, WB, etc...
June 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29441885/reduced-lncrna-aim-enhances-the-malignant-invasion-of-triple-negative-breast-cancer-cells-mainly-by-activating-wnt-%C3%AE-catenin-mtor-pi3k-signaling
#18
Li Liu, Dehong Yu, Hong Shi, Jie Li, Lingkai Meng
Increasing evidence has suggested the important role of lncRNAs in the progression of triple-negative breast cancer (TNBC). In the current study, we first demonstrated that the expression of Airn was reduced in TNBC tissues and cells. Our data showed that the level of Airn was reduced in TNBC tissues and cell lines compared with that of normal control. Furthermore, silencing of Airn markedly enhanced MDA-MB-231 cell migration. Meanwhile, knockdown of Airn significantly increased MDA-MB-231 cell invasion. Western blot analysis showed that knockdown of Airn markedly enhanced the activation of Wnt/β-catenin/mTOR/PI3K in both MDA-MB-231 cells...
October 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29441807/alterations-of-igf-1-complement-c3-and-superoxide-dismutase-in-patients-with-moderate-to-severe-obstructive-sleep-apnea-hypopnea-syndrome
#19
Xiao Wang, Yufeng Wang, Zechuan Cai, Xiaoxia Lu, Zhenxing Li, Yun Chen, Guoliang Zu, Taoping Li
AIM: To evaluate various biomarkers of metabolism, immunity and inflammation in obstructive sleep apnea hypopnea syndrome (OSAHS). MATERIALS & METHODS: After overnight polysomnography, blood was collected from 292 OSAHS patients or healthy volunteers. Serum content of inflammatory, immune, metabolic biomarkers were investigated. In addition, the effects of 1-month continuous positive airway pressure (CPAP) were studied in moderate/severe OSAHS. RESULTS: C3, serum total complement activity, superoxide dismutase, uric acid were significantly higher in moderate/severe OSAHS than that in no/mild OSAHS...
February 14, 2018: Biomarkers in Medicine
https://www.readbyqxmd.com/read/29439547/prostaglandin-d2-mediated-dp2-and-akt-signal-regulate-the-activation-of-androgen-receptors-in-human-dermal-papilla-cells
#20
Kwan Ho Jeong, Ji Hee Jung, Jung Eun Kim, Hoon Kang
Prostaglandin D2 (PGD2) and prostaglandin D2 receptor 2 (DP2) is known to be an important factor in androgenetic alopecia (AGA). However, the effect of PGD2 in human dermal papilla cells (hDPCs) is not fully understood. The function of PGD2-induced expression of the androgen receptor (AR), DP2, and AKT (protein kinase B) signal were examined by using real time-PCR (qRT-PCR), western blot analysis, immunocytochemistry (ICC), and siRNA transfection system. PGD2 stimulated AR expression and AKT signaling through DP2...
February 12, 2018: International Journal of Molecular Sciences
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