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https://www.readbyqxmd.com/read/29150921/tgf-%C3%AE-and-hepatocellular-carcinoma-when-a-friend-becomes-an-enemy
#1
Marco Arrese, Daniel Cabrera, Alejandra Hernandez, Luis Astete, Lisbell Estrada, Claudio Cabello-Verrugio
Hepatocellular carcinoma (HCC) is the second most common cause of cancer death worldwide accounting for more than 700 thousand deaths per year. Most of the HCC develops in a cirrhotic liver, a microenvironment where fibrotic tissue replaces parenchymal cells. Thus, there is a close connection between fibrosis and HCC development. Understanding the cellular and molecular mechanisms involved in this process is a crucial step to advance in novel therapeutic or pharmacological strategies to prevent or improve the course of this malignancy...
November 16, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/29150918/central-role-of-transforming-ggrowth-factor-type-beta-1-in-skeletal-muscle-dysfunctions-an-update-on-therapeutic-strategies
#2
Johanna Abrigo, Felipe Simon, Daniel Cabrera, Gonzalo Cordova, Capucine Trollet, Claudio Cabello Verrugio
Among the soluble factors that regulate skeletal muscle function, Transforming Growth Factor type Beta 1 (TGF-b1) is one of the most studied. This factor inhibits myogenesis and regeneration by regulating the activity and function of satellite cells (SCs). Indeed, TGF-b has a central role in muscle pathologies in which there is development of fibrosis and/or atrophy of skeletal muscle. Thus, in this review we present the critical and recent antecedents regarding the mechanisms and cellular targets involved in the effects of TGF-b1 in the muscle, in pathological processes such as the inhibition of regeneration, fibrosis and atrophy...
November 16, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/29150917/regulation-of-mesenchymal-stem-cell-differentiation-by-transforming-growth-factor-beta-superfamily
#3
Jelena Krstic, Drenka Trivanovic, Hristina Obradovic, Tamara Kukolj, Diana Bugarski, Juan F Santibanez
The ability to differentiate into cells of different lineage, such as muscle, bone, cartilage and fat, is the chief value of adult mesenchymal stem cells (MSCs) which can be used with the final aim to regenerate damaged tissue. Due to potential use, as well as importance in tissue development, a number of questions have been raised regarding the molecular mechanisms of MSC differentiation. As one of the crucial mediators in organism development, transforming growth factor beta (TGF-β) superfamily directs MSCs commitment in the selection of differentiation pathways...
November 16, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/29148731/conjugation-of-transforming-growth-factor-beta-to-antigen-loaded-poly-lactide-co-glycolide-nanoparticles-enhances-efficiency-of-antigen-specific-tolerance
#4
Liam M Casey, Ryan M Pearson, Kevin Hughes, Jeffrey Liu, Justin Rose, Madeleine G North, Leon Wang, Lei Mei, Stephen D Miller, Lonnie D Shea
Current strategies for treating autoimmunity involve the administration of broad-acting immunosuppressive agents that impair healthy immunity. Intravenous (i.v.) administration of poly(lactide-co-glycolide) nanoparticles (NPs) containing disease-relevant antigens (Ag-NPs) have demonstrated antigen(Ag)-specific immune tolerance in models of autoimmunity. However, subcutaneous (s.c.) delivery of Ag-NPs has not been effective. This investigation tested the hypothesis that co-delivery of the immunomodulatory cytokine, transforming growth factor beta 1 (TGF-β), on Ag-NPs would modulate the immune response to Ag-NPs and improve the efficiency of tolerance induction...
November 17, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29146887/targeted-therapy-of-gastroenteropancreatic-neuroendocrine-tumours-preclinical-strategies-and-future-targets
#5
Elke Tatjana Aristizabal Prada, Christoph J Auernhammer
Molecular targeted therapy of advanced neuroendocrine tumours (NETs) of the gastroenteropancreatic (GEP) system currently encompasses approved therapy with the mTOR-inhibitor everolimus and the multi-tyrosinkinase inhibitor sunitinib. However clinical efficacy of these treatment strategies is limited by low objective response rates and limited progression free survival due to tumor resistance. Further novel strategies for molecular targeted therapy of NETs of the GEP-system are needed. This paper reviews preclinical research models and signaling pathways in NETs of the GEP-system...
November 16, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/29140787/tgf-%C3%AE-requires-the-activation-of-canonical-and-non-canonical-signalling-pathways-to-induce-skeletal-muscle-atrophy
#6
Johanna Ábrigo, Fabian Campos, Felipe Simon, Claudia Riedel, Daniel Cabrera, Cristian Vilos, Claudio Cabello-Verrugio
The transforming growth factor type beta (TGF-β) induces skeletal muscle atrophy characterized by a decrease in fiber's diameter and levels of myosin heavy chain (MHC), also as an increase of MuRF-1 expression. In addition, TGF-β induces muscle atrophy by a mechanism dependent on reactive oxygen species (ROS). TGF-β signals by activating both canonical Smad-dependent, and non-canonical signalling pathways such as ERK1/2, JNK1/2, and p38 MAPKs. However, the participation of canonical and non-canonical signalling pathways in the TGF-β atrophic effect on skeletal muscle is unknown...
August 28, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/29140729/gene-expression-and-gene-associations-during-the-development-of-heart-failure-with-preserved-ejection-fraction-in-the-dahl-salt-sensitive-model-of-hypertension
#7
Jeffrey Yim, Hyokeun Cho, Simon W Rabkin
Gene expression and associations were examined in a model of heart failure with preserved ejection fraction (HFpEF), a condition with minimal effective treatment. Genes with at least two studies showing significant changes in Dahl rat with heart failure were examined by meta-analysis. Significantly increased in expression were iNOS, p47phox, ADM, ANP, OPN, ACE, MCP-1, GP91PHOX, ICAM-1, TGF-β1, CTGF, ET-1, p22phox, ETB, BNP, ETA, MMP13, Col1a1, MMP2, TIMP1, Col3a1, Il-1β, β-MHC, ECE1, MMP14, AGT, and MMP9...
November 15, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29140251/vg1-nodal-heterodimers-are-the-endogenous-inducers-of-mesendoderm
#8
Tessa Grace Montague, Alexander F Schier
Nodal is considered the key inducer of mesendoderm in vertebrate embryos and embryonic stem cells. Other TGF-beta-related signals, such as Vg1/Dvr1/Gdf3, have also been implicated in this process but their roles have been unclear or controversial. Here we report that zebrafish embryos without maternally provided vg1 fail to form endoderm and head and trunk mesoderm, and closely resemble nodal loss-of-function mutants. Although Nodal is processed and secreted without Vg1, it requires Vg1 for its endogenous activity...
November 15, 2017: ELife
https://www.readbyqxmd.com/read/29140182/tgf-%C3%AE-1-and-cxcl12-modulate-proliferation-and-chemotherapy-sensitivity-of-acute-myeloid-leukemia-cells-co-cultured-with-multipotent-mesenchymal-stromal-cells
#9
Roland Christian Schelker, Sabine Iberl, Gunnar Müller, Christina Hart, Wolfgang Herr, Jochen Grassinger
OBJECTIVES: Multipotent mesenchymal stromal cells (MSCs) play a central role within the bone marrow (BM) niche, supporting hematopoiesis via soluble factors like cytokines and chemokines. In our study, we sought to investigate the effect of blocking transforming growth factor beta 1 (TGF-β1) and C-X-C motif chemokine 12 (CXCL12) receptor CXCR4 on acute myeloid leukemia (AML) cells in an MSC co-culture system. METHODS: Human MSCs were obtained by BM aspirates and their phenotype and functional properties were confirmed in vitro...
November 15, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29140156/conditioned-medium-from-human-gingival-mesenchymal-stem-cells-protects-motor-neuron-like-nsc-34-cells-against-scratch-injury-induced-cell-death
#10
Thangavelu Soundara Rajan, Francesca Diomede, Placido Bramanti, Oriana Trubiani, Emanuela Mazzon
Neuronal cell death is a normal process during central nervous system (CNS) development and is also involved in the death of motor neurons in diverse spinal motor neuron degenerative diseases. Here, we investigated the neuroprotective effect of secretory factors released from human gingival mesenchymal stem cells (hGMSCs) in mechanically injured murine motor-neuron-like NSC-34 cells. The cells were exposed to scratch injury and the markers for apoptosis and oxidative stress were examined. Immunocytochemistry results showed that proapoptotic markers cleaved caspase-3 and Bax were elevated while anti-apoptotic protein Bcl-2 was suppressed in scratch-injured NSC-34 cells...
November 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29136085/tgf-beta1-from-endometriomas-promotes-fibrosis-in-surrounding-ovarian-tissues-via-smad2-3-signaling
#11
Li Bing Shi, Feng Zhou, Hai Yan Zhu, Dong Huang, Xiao Ying Jin, Chao Li, Yongdong Dai, Yi Bin Pan, Song Ying Zhang
To elucidate whether the endometriotic cells of endometriomas synthesize transforming growth factor beta1 (TGF-beta1) and understand how it affects surrounding ovarian tissue. We collected biopsies of the cystic walls from 42 endometriomas and 29 mature teratomas and compared mRNA and protein expression of fibrosis-related factors between the cystic walls. Then we detected TGFB1 mRNA synthesis in endometriomas, and tested TGF-beta1 fibrotic effect in vitro. Moreover, we verified the expression of Smad2/3 Signaling components in the endometriotic cystic wall in order to understand whether TGF-beta1/Smad signaling is involved in fibrosis formation of the tissue surrounding endometriomas...
November 10, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29128814/amphotericin-b-copper-ii-complex-alters-transcriptional-activity-of-genes-encoding-transforming-growth-factor-beta-family-members-and-related-proteins-in-renal-cells
#12
Joanna Gola, Barbara Strzałka-Mrozik, Ewa Wieczorek, Celina Kruszniewska-Rajs, Jolanta Adamska, Mariusz Gagoś, Grzegorz Czernel, Urszula Mazurek
BACKGROUND: Several chemical modifications have been developed to overcome the toxicity of amphotericin B (AmB). Oxidized forms of AmB (AmB-ox), which may occur in patient's circulation during therapy, are as toxic as AmB. Complexes with copper (II) ions (AmB-Cu(2+)) have been reported to be less toxic to human cells. Previous studies showed that AmB changed the expression of transforming growth factor-beta (TGF-β). Therefore, the objective of this study was to investigate the influence of AmB and its modified forms on the expression of genes encoding for TGF-β family members and related proteins in renal cells...
May 26, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29128808/attenuation-of-renal-damage-in-type-i-diabetic-rats-by-umbelliferone-a-coumarin-derivative
#13
Mayuresh S Garud, Yogesh A Kulkarni
BACKGROUND: It is well known that diabetes is one of the non-communicable disease affecting a large population worldwide. When diabetes remains untreated or uncontrolled, it leads to further serious complications, affecting vital organs like eyes, kidney, heart, etc. The present study was designed to evaluate effects of umbelliferone, a phytochemical, in treatment of diabetic nephropathy. METHODS: Experimental model used was streptozotocin (55mg/kg, ip) induced diabetic nephropathy in male Sprague Dawley rats...
June 27, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29128131/the-clinical-and-biological-roles-of-transforming-growth-factor-beta-in-colon-cancer-stem-cells-a-systematic-review
#14
REVIEW
Anna Chruścik, Vinod Gopalan, Alfred King-Yin Lam
BACKGROUND: Transforming growth factor beta (TGF-β) is a multipurpose cytokine, which plays a role in many cellular functions such as proliferation, differentiation, migration, apoptosis, cell adhesion and regulation of epithelial to mesenchymal transition. Despite many studies having observed the effect that TGF-β plays in colorectal cancer, its role in the colorectal stem cell population has not been widely observed. METHOD: This systematic review will analyse the role of TGF-β in the stem cell population of colorectal cancer...
November 8, 2017: European Journal of Cell Biology
https://www.readbyqxmd.com/read/29123266/sox5-contributes-to-prostate-cancer-metastasis-and-is-a-master-regulator-of-tgf-%C3%AE-induced-epithelial-mesenchymal-transition-through-controlling-twist1-expression
#15
Jieping Hu, Jing Tian, Shimiao Zhu, Libin Sun, Jianpeng Yu, Hao Tian, Qian Dong, Qiang Luo, Ning Jiang, Yuanjie Niu, Zhiqun Shang
BACKGROUND: Metastatic castration-resistant prostate cancer (mCRPC) is one of the main contributors to the death of prostate cancer patients. To date, the detailed molecular mechanisms underlying mCRPC are unclear. Given the crucial role of epithelial-mesenchymal transition (EMT) in cancer metastasis, we aimed to analyse the expression and function of Transforming growth factor-beta (TGF-β) signal-associated protein named Sox5 in mCRPC. METHODS: The protein expression levels were analysed by western blot, immunohistochemistry and immunofluorescence...
November 9, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29119451/pristimerin-inhibits-lps-triggered-neurotoxicity-in-bv-2-microglia-cells-through-modulating-irak1-traf6-tak1-mediated-nf-%C3%AE%C2%BAb-and-ap-1-signaling-pathways-in-vitro
#16
Bin Hui, Liping Zhang, Qinhua Zhou, Ling Hui
Microglia plays a prominent role in the brain's inflammatory response to injury or infection by migrating to affected locations and secreting inflammatory molecules. However, hyperactivated microglial is neurotoxic and plays critical roles in the pathogenesis of neurodegenerative diseases. Pristimerin, a naturally occurring triterpenoid, possesses antitumor, antioxidant, and anti-inflammatory activities. However, the effect and the molecular mechanism of pristimerin against lipopolysaccharide (LPS)-induced neurotoxicity in microglia remain to be revealed...
November 8, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/29118355/decoy-wnt-receptor-slrp6e1e2-expressing-adenovirus-induces-anti-fibrotic-effect-via-inhibition-of-wnt-and-tgf-%C3%AE-signaling
#17
Won Jai Lee, Jung-Sun Lee, Hyo Min Ahn, Youjin Na, Chae Eun Yang, Ju Hee Lee, JinWoo Hong, Chae-Ok Yun
Aberrant activation of the canonical Wingless type (Wnt) signaling pathway plays a key role in the development of hypertrophic scars and keloids, and this aberrant activation of Wnt pathway can be a potential target for the development of novel anti-fibrotic agents. In this study, we evaluated the anti-fibrotic potential of a soluble Wnt decoy receptor (sLRP6E1E2)-expressing non-replicating adenovirus (Ad; dE1-k35/sLRP6E1E2) on human dermal fibroblasts (HDFs), keloid fibroblasts (KFs), and keloid tissue explants...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29108266/the-systemic-tumor-response-to-rnase-a-treatment-affects-the-expression-of-genes-involved-in-maintaining-cell-malignancy
#18
Nadezhda Mironova, Olga Patutina, Evgenyi Brenner, Alexander Kurilshikov, Valentin Vlassov, Marina Zenkova
Recently, pancreatic RNase A was shown to inhibit tumor and metastasis growth that accompanied by global alteration of miRNA profiles in the blood and tumor tissue (Mironova et al., 2013). Here, we performed a whole transcriptome analysis of murine Lewis lung carcinoma (LLC) after treatment of tumor-bearing mice with RNase A. We identified 966 differentially expressed transcripts in LLC tumors, of which 322 were upregulated and 644 were downregulated after RNase A treatment. Many of these genes are involved in signaling pathways that regulate energy metabolism, cell-growth promoting and transforming activity, modulation of the cancer microenvironment and extracellular matrix components, and cellular proliferation and differentiation...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29101811/ameliorative-potential-of-sitagliptin-and-or-resveratrol-on-experimentally-induced-clear-cell-renal-cell-carcinoma
#19
Ahmed M Kabel, Aliaa Atef, Remon S Estfanous
The aim of this study was to assess the effect of sitagliptin with or without resveratrol on carcinogen-induced clear cell renal cell carcinoma. Sixty male Wistar rats were divided into 6 equal groups as follows: control; clear cell renal cell carcinoma group; clear cell renal cell carcinoma+sitagliptin group; clear cell renal cell carcinoma+resveratrol group; clear cell renal cell carcinoma+carboxymethyl cellulose group and clear cell renal cell carcinoma+sitagliptin+resveratrol group. Blood urea, serum creatinine, creatinine clearance, urinary N-acetyl beta-d-glucosaminidase (NAG), gamma glutamyl transpeptidase (GGT) and urinary albumin excretion rate (UAER) were determined...
November 1, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29101624/genistein-attenuates-pathological-cardiac-hypertrophy-in-vivo-and-in-vitro
#20
Y Meng, Y Zhang, Z Ma, H Zhou, J Ni, H Liao, Q Tang
BACKGROUND: We investigated the effects and underlying mechanisms of genistein on pathological cardiac hypertrophy in vivo and in vitro. MATERIALS AND METHODS: A cardiac hypertrophy model was developed by aortic banding (AB). C57/BL6 mice were randomly assigned to sham + vehicle (CON), sham + genistein (GEN), AB + vehicle (AB), and AB + genistein groups. Genistein (40 mg/kg/day) was administered by gavage for 7 weeks. After assessing the echocardiographic and hemodynamic parameters, mouse hearts were harvested for histopathological and molecular biological analysis...
November 3, 2017: Herz
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