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Source: Molecular and Cellular Endocrinology
Drug: Insulin
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Total 18 results found since Jan 2013.
LncRNA HCP5 promotes cell proliferation and inhibits apoptosis via miR-27a-3p/IGF-1 axis in human granulosa-like tumor cell line KGN
This study aimed to reveal the potential roles of long non-coding RNA HCP5 (lncRNA HCP5) and its potential molecular mechanism in polycystic ovarian syndrome (PCOS). The human granulosa-like tumor cell line KGN was used for assessing the effects of HCP5 in the proliferation and apoptosis of granulosa cells (GCs). The results showed that downregulation of HCP5 suppressed cell proliferation through arresting cell cycle progression at G1 phase, and induced the apoptosis via activating mitochondrial pathway, while overexpression of HCP5 played the opposite effects in KGN cells. We predicted and confirmed miR-27a-3p was a direc...
Source: Molecular and Cellular Endocrinology - December 29, 2019 Category: Endocrinology Source Type: research
Asprosin impairs insulin secretion in response to glucose and viability through TLR4/JNK-mediated inflammation
This report suggests asprosin as a novel therapeutic target for the treatment of type 2 diabetes through preservation of β-cell function.Graphical abstract
Source: Molecular and Cellular Endocrinology - March 8, 2019 Category: Endocrinology Source Type: research
Participation of NADPH 4 oxidase in thyroid regulation
Publication date: Available online 11 October 2018Source: Molecular and Cellular EndocrinologyAuthor(s): Romina Oglio, Leonardo Salvarredi, Luciano Rossich, Silvia Copelli, Mario Pisarev, Guillermo Juvenal, Lisa ThomaszAbstractDifferent factors are involved in thyroid function and proliferation such as thyrotropin (TSH), insulin, growth factors, iodide, etc. TSH and IGF1/insulin increase proliferation rate and stimulate genes involved in thyroid differentiation. In the present study, we analyse the physiological regulation of NOX4 expression by TSH, insulin and iodine, and the role of NOX4 on thyroid genes expression. Diff...
Source: Molecular and Cellular Endocrinology - October 12, 2018 Category: Endocrinology Source Type: research
Novel ABCA1 peptide agonists with antidiabetic action
Publication date: Available online 2 October 2018Source: Molecular and Cellular EndocrinologyAuthor(s): Salman Azhar, Stefanie Bittner, Jie Hu, Wen-Jun Shen, Yuan Cortez, Xiao Hao, Han Lu, Jens O. Lagerstedt, Fredric B. Kraemer, Jan O. JohanssonAbstractPreviously, apoE-derived ABCA1 agonist peptides have been shown to possess anti-atherosclerotic and possibly antidiabetic properties. Here we assessed the in vitro and in vivo actions of a second generation of ABCA1 peptide agonists, CS6253 and T6991-2, on glucose homeostasis. The results show that these two peptides improve glucose tolerance in a prediabetic diet-induced ob...
Source: Molecular and Cellular Endocrinology - October 5, 2018 Category: Endocrinology Source Type: research
Hyperlipidemia-induced hepassocin in the liver contributes to insulin resistance in skeletal muscle
In conclusion, we elucidated that ER stress induced by palmitate could increase the expression of HPS in hepatocytes and further contribute to the development of insulin resistance in skeletal muscle via EGFR/JNK-mediated pathway. Taken together, we suggest that HPS could be a therapeutic target for obesity-linked insulin resistance. Graphical abstract
Source: Molecular and Cellular Endocrinology - October 28, 2017 Category: Endocrinology Source Type: research
Pannexin-2-deficiency sensitizes pancreatic β-cells to cytokine-induced apoptosis in vitro and impairs glucose tolerance in vivo
Publication date: Available online 5 April 2017 Source:Molecular and Cellular Endocrinology Author(s): Lukas A. Berchtold, Michela Miani, Thi A. Diep, Andreas N. Madsen, Valentina Cigliola, Maikel Colli, Jelena M. Krivokapic, Flemming Pociot, Decio L. Eizirik, Paolo Meda, Birgitte Holst, Nils Billestrup, Joachim Størling Pannexins (Panx's) are membrane proteins involved in a variety of biological processes, including cell death signaling and immune functions. The role and functions of Panx's in pancreatic β-cells remain to be clarified. Here, we show Panx1 and Panx2 expression in isolated islets, primary β-cells, and Î...
Source: Molecular and Cellular Endocrinology - April 11, 2017 Category: Endocrinology Source Type: research
Pannexin-2-deficiency sensitizes pancreatic β-cells to cytokine-induced apoptosis in vitro and impairs glucose tolerance in vivo
Publication date: Available online 5 April 2017 Source:Molecular and Cellular Endocrinology Author(s): Lukas A. Berchtold, Michela Miani, Thi A. Diep, Andreas N. Madsen, Valentina Cigliola, Maikel Colli, Jelena M. Krivokapic, Flemming Pociot, Decio L. Eizirik, Paolo Meda, Birgitte Holst, Nils Billestrup, Joachim Størling Pannexins (Panx's) are membrane proteins involved in a variety of biological processes, including cell death signaling and immune functions. The role and functions of Panx's in pancreatic β-cells remain to be clarified. Here, we show Panx1 and Panx2 expression in isolated islets, primary β-cells, and Î...
Source: Molecular and Cellular Endocrinology - April 6, 2017 Category: Endocrinology Source Type: research
Endoplasmic reticulum stress regulates inflammation and insulin resistance in skeletal muscle from pregnant women
Publication date: 15 April 2016 Source:Molecular and Cellular Endocrinology, Volume 425 Author(s): Stella Liong, Martha Lappas Sterile inflammation and infection are key mediators of inflammation and peripheral insulin resistance associated with gestational diabetes mellitus (GDM). Studies have shown endoplasmic reticulum (ER) stress to induce inflammation and insulin resistance associated with obesity and type 2 diabetes, however is paucity of studies investigating the effects of ER stress in skeletal muscle on inflammation and insulin resistance associated with GDM. ER stress proteins IRE1α, GRP78 and XBP-1s were up...
Source: Molecular and Cellular Endocrinology - March 3, 2016 Category: Endocrinology Source Type: research
Endoplasmic reticulum stress regulates inflammation and insulin resistance in pregnant skeletal muscle
Publication date: Available online 20 February 2016 Source:Molecular and Cellular Endocrinology Author(s): Stella Liong, Martha Lappas Sterile inflammation and infection are key mediators of inflammation and peripheral insulin resistance associated with gestational diabetes mellitus (GDM). Studies have shown endoplasmic reticulum (ER) stress to induce inflammation and insulin resistance associated with obesity and type 2 diabetes, however is paucity of studies investigating the effects of ER stress in skeletal muscle on inflammation and insulin resistance associated with GDM. ER stress proteins IRE1α, GRP78 and XBP-1s...
Source: Molecular and Cellular Endocrinology - February 20, 2016 Category: Endocrinology Source Type: research
Increased IGFBP-1 phosphorylation in response to leucine deprivation is mediated by CK2 and PKC
Publication date: Available online 28 December 2015 Source:Molecular and Cellular Endocrinology Author(s): Niyati Malkani, Kyle Biggar, Majida Abu Shehab, Shawn Li, Thomas Jansson, Madhulika B. Gupta Insulin-like growth factor binding protein-1 (IGFBP-1), secreted by fetal liver, is a key regulator of IGF-I bioavailability and fetal growth. IGFBP-1 phosphorylation decreases IGF-I bioavailability and diminishes its growth-promoting effects. Growth-restricted fetuses have decreased levels of circulating essential amino acids. We recently showed that IGFBP-1 hyperphosphorylation (pSer101/119/169) in response to leucin...
Source: Molecular and Cellular Endocrinology - December 28, 2015 Category: Endocrinology Source Type: research
TRAF2 mediates JNK and STAT3 activation in response to IL-1β and IFNγ and facilitates apoptotic death of insulin-producing β-cells
Publication date: Available online 22 November 2015 Source:Molecular and Cellular Endocrinology Author(s): Michala Cecilie Prause, Lukas Adrian Berchtold, Adriana Ibarra Urizar, Anne Mette Hyldgaard Trauelsen, Nils Billestrup, Thomas Mandrup-Poulsen, Joachim Størling Interleukin-1β (IL-1β) and interferon-γ (IFNγ) contribute to type 1 diabetes (T1D) by inducing β-cell death. Tumor necrosis factor (TNF) receptor-associated factor (TRAF) proteins are adaptors that transduce signaling from a variety of membrane receptors including cytokine receptors. We show here that IL-1β and IFNγ upregulate the expression o...
Source: Molecular and Cellular Endocrinology - November 23, 2015 Category: Endocrinology Source Type: research
Ghrelin regulates GLP-1 production through mTOR signaling in L cells
Publication date: 15 November 2015 Source:Molecular and Cellular Endocrinology, Volume 416 Author(s): Geyang Xu, Xiaosi Hong, Hong Tang, Sushi Jiang, Fenting Liu, Zhemin Shen, Ziru Li, Weizhen Zhang Glucagon-like peptide (GLP-1), an intestinal incretin produced in L-cells and released in response to meal intake, functions to promote insulin secretion and to decrease plasma glucose. Ghrelin is an orexigenic hormone critical for glucose homeostasis. The molecular mechanism by which ghrelin alters GLP-1 production remains largely unknown. Here we showed that ghrelin attenuates GLP-1 production through mTOR signaling...
Source: Molecular and Cellular Endocrinology - October 14, 2015 Category: Endocrinology Source Type: research
IGFBP-1 hyperphosphorylation in response to leucine deprivation is mediated by the AAR pathway
Publication date: 5 September 2015 Source:Molecular and Cellular Endocrinology, Volume 412 Author(s): Niyati Malkani, Thomas Jansson, Madhulika B. Gupta Insulin-like growth factor-1 (IGF-I) is the key regulator of fetal growth. IGF-I bioavailability is markedly diminished by IGF binding protein-1 (IGFBP-1) phosphorylation. Leucine deprivation strongly induces IGFBP-1 hyperphosphorylation, and plays an important role in fetal growth restriction (FGR). FGR is characterized by decreased amino acid availability, which activates the amino acid response (AAR) and inhibits the mechanistic target of rapamycin (mTOR) pathway. ...
Source: Molecular and Cellular Endocrinology - July 24, 2015 Category: Endocrinology Source Type: research
Dihydromyricetin improves skeletal muscle insulin resistance by inducing autophagy via the AMPK signaling pathway
In conclusion, DHM improved SMIR by inducing autophagy via the activation of AMPK signaling pathway.
Source: Molecular and Cellular Endocrinology - March 20, 2015 Category: Endocrinology Source Type: research
Transmembrane tumor necrosis factor-alpha sensitizes adipocytes to insulin
Publication date: 5 May 2015 Source:Molecular and Cellular Endocrinology, Volume 406 Author(s): Wenjing Zhou , Peng Yang , Li Liu , Shan Zheng , Qingling Zeng , Huifang Liang , Yazhen Zhu , Zunyue Zhang , Jing Wang , Bingjiao Yin , Feili Gong , Yiping Wu , Zhuoya Li Transmembrane TNF-α (tmTNF-α) acts both as a ligand, delivering ‘forward signaling’ via TNFR, and as a receptor, transducing ‘reverse signaling’. The contradiction of available data regarding the effect of tmTNF-α on insulin resistance may be due to imbalance in both signals. Here, we demonstrated that high glucose-induced impairment of insulin-sti...
Source: Molecular and Cellular Endocrinology - March 10, 2015 Category: Endocrinology Source Type: research
