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Le Tao, Dongying Xue, Dongxiao Shen, Wenting Ma, Jie Zhang, Xuefei Wang, Wei Zhang, Liu Wu, Kai Pan, Yanqin Yang, Zeribe C Nwosu, Steven Dooley, Ekihiro Seki, Cheng Liu
MicroRNA (miRNA)-mediated gene regulation contributes to liver pathophysiology, including hepatic stellate cell (HSC) activation and fibrosis progression. Here, we investigated the role of miR-942 in human liver fibrosis. The expression of miR-942, HSC activation markers, transforming growth factor-beta pseudoreceptor BMP and activin membrane-bound inhibitor (BAMBI), as well as collagen deposition, were investigated in 100 liver specimens from patients with varying degree of hepatitis B virus (HBV)-related fibrosis...
August 10, 2018: Archives of Toxicology
Mónica Tramullas, Raquel Francés, Roberto de la Fuente, Sara Velategui, María Carcelén, Raquel García, Javier Llorca, María A Hurlé
Neuropathic pain is a debilitating chronic syndrome that is often refractory to currently available analgesics. Aberrant expression of several microRNAs (miRNAs) in nociception-related neural structures is associated with neuropathic pain in rodent models. We have exploited the antiallodynic phenotype of mice lacking the bone morphogenetic protein and activin membrane-bound inhibitor (BAMBI), a transforming growth factor-β (TGF-β) pseudoreceptor. We used these mice to identify new miRNAs that might be useful for diagnosing, treating, or predicting neuropathic pain...
August 8, 2018: Science Translational Medicine
Chiara Campo, Aleksandra Köhler, Gisella Figlioli, Rossella Elisei, Cristina Romei, Monica Cipollini, Franco Bambi, Kari Hemminki, Federica Gemignani, Stefano Landi, Asta Försti
[This corrects the article DOI: 10.1371/journal.pone.0174995.].
2018: PloS One
Stefano Bambi, Chiara Foà, Christian De Felippis, Alberto Lucchini, Andrea Guazzini, Laura Rasero
BACKGROUND: Negative interactions among nurses are well recognized and reported in scientific literature, even because the issues may have major consequences on professional and private lives of the victims. The aim of this paper is to detect specifically the prevalence of workplace incivility (WI), lateral violence (LV) and bullying among nurses. Furthermore, it addresses the potential related factors and their impact on the psychological and professional spheres of the victims. METHODS: A review of the literature was performed through the research of papers on three databases: Medline, CINAHL, and Embase...
July 18, 2018: Acta Bio-medica: Atenei Parmensis
Francesco Lupariello, Serena Maria Curti, Elena Coppo, Sara Simona Racalbuto, Giancarlo Di Vella
The "Blue Whale Challenge" is a dangerous Internet phenomenon. As per media reports, it involves a series of life-threatening tasks imposed by a "curator" to "players," who must fulfill the whole list, and it ends with the suicide of the player. The authors report the data of five suspected cases of "Blue Whales" managed from January 2016 to December 2017 by the staff of a unit (the "Bambi Unit" of the Pediatric Hospital "Regina Margherita" of Turin, Italy) that is dedicated to the evaluation of suspected abused children...
July 23, 2018: Journal of Forensic Sciences
Leonel Maldonado, Mariana Brait, Evgeny Izumchenko, Shahnaz Begum, Aditi Chatterjee, Tanusree Sen, Myriam Loyo, Alvaro Barbosa, Maria Luana Poeta, Eugene Makarev, Alex Zhavoronkov, Vito M Fazio, Roberto Angioli, Carla Rabitti, Mate Ongenaert, Wim Van Criekinge, Maartje G Noordhuis, Pauline de Graeff, G Bea A Wisman, Ate G J van der Zee, Mohammad O Hoque
Many epigenetically inactivated genes involved in ovarian cancer (OC) development and progression remain to be identified. In this study we undertook an integrated approach that consisted of identification of genome-wide expression patterns of primary OC samples and normal ovarian surface epithelium along with a pharmacologic unmasking strategy using 3 OC and 3 immortalized normal ovarian epithelial cell lines. Our filtering scheme identified 43 OC specific methylated genes and among the 5 top candidates (GULP1, CLIP4, BAMBI, NT5E, TGFβ2), we performed extended studies of GULP1...
October 1, 2018: Cancer Letters
Diefei Liang, Zijiao Song, Weiwen Liang, Yan Li, Shanying Liu
AIMS: Metformin is a biguanide derivative widely used for the treatment of type 2 diabetes mellitus. Recent evidence implicates that this anti-hyperglycemic drug exerts renal protective effects, yet the mechanisms remain poorly understood. MCP-1 has been recognized as a key mediator of renal fibrosis in chronic kidney diseases including diabetic nephropathy. This study aimed to investigate the effects of metformin on TGF-β1-induced MCP-1 expression and the underlying mechanisms in rat renal tubular epithelial cells...
June 22, 2018: Nephrology
Sheng-Min Guo, Jian-Xiong Wang, Jin Li, Fang-Yuan Xu, Quan Wei, Hai-Ming Wang, Hou-Qiang Huang, Si-Lin Zheng, Yu-Jie Xie, Chi Zhang
Osteoarthritis (OA) significantly influences the quality life of people around the world. It is urgent to find an effective way to understand the genetic etiology of OA. We used weighted gene coexpression network analysis (WGCNA) to explore the key genes involved in the subchondral bone pathological process of OA. Fifty gene expression profiles of GSE51588 were downloaded from the Gene Expression Omnibus database. The OA-associated genes and gene ontologies were acquired from JuniorDoc. Weighted gene coexpression network analysis was used to find disease-related networks based on 21756 gene expression correlation coefficients, hub-genes with the highest connectivity in each module were selected, and the correlation between module eigengene and clinical traits was calculated...
June 15, 2018: Journal of Cellular Biochemistry
Chun-Ling Yuan, Rong Liang, Zhi-Hui Liu, Yong-Qiang Li, Xiao-Ling Luo, Jia-Zhou Ye, Yan Lin
Gastric carcinoma is one of the most common human malignancies and remains the second leading cause of cancer-associated mortality worldwide. Gastric carcinoma is characterized by early-stage metastasis and is typically diagnosed in the advanced stage. Previous results have indicated that bone morphogenetic protein and activin membrane-bound inhibitor (BAMBI) overexpression has been demonstrated to inhibit growth and metastasis of gastric cancer cells. However, the molecular mechanisms of the BAMBI-mediated signaling pathway in the progression of gastric cancer are poorly understood...
June 2018: Experimental and Therapeutic Medicine
Humberto Hernandez, J Cameron Millar, Stacy M Curry, Abbot F Clark, Colleen M McDowell
Purpose: The trabecular meshwork (TM) has an important role in the regulation of aqueous humor outflow and IOP. Regulation of the extracellular matrix (ECM) by TGFβ2 has been studied extensively. Bone morphogenetic protein (BMP) and activin membrane-bound inhibitor (BAMBI) has been shown to inhibit or modulate TGFβ2 signaling. We investigate the role of TGFβ2 and BAMBI in the regulation of TM ECM and ocular hypertension. Methods: Mouse TM (MTM) cells were isolated from B6;129S1-Bambitm1Jian/J flox mice, characterized for TGFβ2 and dexamethasone (DEX)-induced expression of fibronectin, collagen-1, collagen-4, laminin, α-smooth muscle actin, cross-linked actin networks (CLANs) formation, and DEX-induced myocilin (MYOC) expression...
April 1, 2018: Investigative Ophthalmology & Visual Science
Jiaqi Tang, Cody C Gifford, Rohan Samarakoon, Paul J Higgins
The multi-functional cytokine transforming growth factor-β1 (TGF-β1) has growth inhibitory and anti-inflammatory roles during homeostasis and the early stages of cancer. Aberrant TGF-β activation in the late-stages of tumorigenesis, however, promotes development of aggressive growth characteristics and metastatic spread. Given the critical importance of this growth factor in fibrotic and neoplastic disorders, the TGF-β1 network is subject to extensive, multi-level negative controls that impact receptor function, mothers against decapentaplegic homolog 2/3 (SMAD2/3) activation, intracellular signal bifurcation into canonical and non-canonical pathways and target gene promotor engagement...
May 25, 2018: Cancers
Masaru Katoh
β‑catenin/CTNNB1 is an intracellular scaffold protein that interacts with adhesion molecules (E‑cadherin/CDH1, N‑cadherin/CDH2, VE‑cadherin/CDH5 and α‑catenins), transmembrane‑type mucins (MUC1/CD227 and MUC16/CA125), signaling regulators (APC, AXIN1, AXIN2 and NHERF1/EBP50) and epigenetic or transcriptional regulators (BCL9, BCL9L, CREBBP/CBP, EP300/p300, FOXM1, MED12, SMARCA4/BRG1 and TCF/LEF). Gain‑of‑function CTTNB1 mutations are detected in bladder cancer, colorectal cancer, gastric cancer, liver cancer, lung cancer, pancreatic cancer, prostate cancer and uterine cancer, whereas loss‑of‑function CTNNB1 mutations are also detected in human cancer...
August 2018: International Journal of Molecular Medicine
Guya Piemonte, Maria L Migliaccio, Stefano Bambi, Marco Bombardi, Lorenzo D'antonio, Andrea Guazzini, Caterina Di Pasquale, Laura Tadini-Buoninsegni, Cristiana Guetti, Manuela Bonizzoli, Sara Bagatti, Paolo Lopane, Anna Nativi, Laura Rasero, Adriano Peris
BACKGROUND: Family refusal (FR) to heart beating donation (HBD) in Intensive Care Unit (ICU) is increasing in recent years with a significant impact on the number of transplantable organs. Fostering setting humanization, quality of relationships, respect for will and family reliance towards ICU could be relevant in containing FR to organ donation (OD) in ICU. Our aims were to highlight the effects of structural features of ICUs and humanization determinants on FR in HBD process, and to describe visiting policies, structure and modalities of support in ICUs...
May 14, 2018: Minerva Anestesiologica
Valentina Becherucci, Luisa Piccini, Serena Casamassima, Silvia Bisin, Valentina Gori, Francesca Gentile, Riccardo Ceccantini, Elena De Rienzo, Barbara Bindi, Paola Pavan, Vanessa Cunial, Elisa Allegro, Stefano Ermini, Francesca Brugnolo, Giuseppe Astori, Franco Bambi
BACKGROUND: The use of platelet lysate (PL) for the ex-vivo expansion of mesenchymal stromal/stem cells (MSCs) was initially proposed by Doucet et al. in 2005, as an alternative to animal serum. Moreover, regulatory authorities discourage the use of fetal bovine serum (FBS) or other animal derivatives, to avoid risk of zoonoses and xenogeneic immune reactions. Even if many studies investigated PL composition, there still are some open issues related to its use in ex-vivo MSC expansion, especially according to good manufacturing practice (GMP) grade protocols...
May 2, 2018: Stem Cell Research & Therapy
Sohei Kobayashi, Takaki Hiwasa, Takahiro Arasawa, Akiko Kagaya, Sayaka Ishii, Hideaki Shimada, Masaaki Ito, Masae Suzuki, Masayuki Kano, Bahityar Rahmutulla, Kouichi Kitamura, Yuji Sawabe, Hideo Shin, Masaki Takiguchi, Fumio Nomura, Hisahiro Matsubara, Kazuyuki Matsushita
The present study was planned to identify novel serum antibody markers for digestive organ cancers. We have used screening by phage expression cloning and identified novel fourteen antigens in this experiment. The presence of auto-antibodies against these antigens in serum specimens was confirmed by western blotting. As for auto-antibodies against fourteen antigens, AlphaLISA (amplified luminescence proximity homogeneous assay) assay was performed in the sera of gastrointestinal cancers patients to confirm the results...
April 6, 2018: Oncotarget
Irina Raykhel, Fazeh Moafi, Satu M Myllymäki, Patricia G Greciano, Karl S Matlin, Jose V Moyano, Aki Manninen, Johanna Myllyharju
Hypoxia and loss of cell polarity are common features of malignant carcinomas. Hypoxia-inducible factor 1 (HIF1) is the major regulator of cellular hypoxia response and mediates the activation of ∼300 genes. Increased HIF1 signaling is known to be associated with epithelial-mesenchymal transformation. Here, we report that hypoxia disrupts polarized epithelial morphogenesis of MDCK cells in a HIF1α-dependent manner by modulating the transforming growth factor-β (TGFβ) signaling pathway. Analysis of potential HIF1 targets in the TGFβ pathway identified the bone morphogenetic protein and activin membrane-bound inhibitor (BAMBI), a transmembrane glycoprotein related to the type I receptors of the TGFβ family, whose expression was essentially lost in HIF1-depleted cells...
May 23, 2018: Journal of Cell Science
Gian Domenico Giusti, Marco Proietti Righi, Stefano Bambi
No abstract text is available yet for this article.
May 2018: Dimensions of Critical Care Nursing: DCCN
Peng An, Hao Wang, Qian Wu, Jiaming Wang, Zhidan Xia, Xuyan He, Xinhui Wang, Yan Chen, Junxia Min, Fudi Wang
To maintain iron homoeostasis, the iron regulatory hormone hepcidin is tightly controlled by BMP-Smad signalling pathway, but the physiological role of Smad7 in hepcidin regulation remains elusive. We generated and characterized hepatocyte-specific Smad7 knockout mice (Smad7Alb/Alb ), which showed decreased serum iron, tissue iron, haemoglobin concentration, up-regulated hepcidin and increased phosphor-Smad1/5/8 levels in both isolated primary hepatocytes and liver tissues. Increased levels of hepcidin lead to reduced expression of intestinal ferroportin and mild iron deficiency anaemia...
June 2018: Journal of Cellular and Molecular Medicine
Maria Reinius, Deepa Rao, Lisa E Manhart, Maria Wiklander, Veronica Svedhem, John Pryor, Randall Mayer, Bambi Gaddist, Shuba Kumar, Rani Mohanraj, Lakshmanan Jeyaseelan, Lena Wettergren, Lars E Eriksson
PURPOSE: To examine whether items in Berger's HIV Stigma Scale function differently with persons of different age, gender, and cultural backgrounds. METHODS: Secondary data from cohorts, collected in South India (n = 250), Sweden (n = 193), and the US (n = 603) were reanalyzed to evaluate DIF within, between, and across these cohorts. All participants had answered the revised version of the HIV stigma scale consisting of 32 items forming the subscales Personalized stigma, Disclosure concerns, Concerns about public attitudes, and Negative self-image...
June 2018: Quality of Life Research
Yaling Liu, Tulika Sharma, I-Ping Chen, Ernst Reichenberger, Yasuyoshi Ueki, Yumna Arif, Daniel Parisi, Peter Maye
We utilized a bone marrow stromal culture system to investigate changes in TGFβ signaling in a mouse model for cherubism (Sh3bp2KI/KI ). Interestingly, bone marrow cultures derived from cherubism mice not only displayed impaired osteoblast differentiation, but also had spontaneous osteoclast formation. PAI1, a target gene of TGFβ signaling, was elevated 2-fold in cherubism CD11b- ,CD45- cells compared to wild type cells, while the expression of BAMBI, an inhibitor of TGFβ signaling, was down-regulated. We also discovered that treatment of cherubism cultures with antagonists of the TGFβ signaling pathway could largely rescue osteoblast differentiation and markedly reduce spontaneous osteoclast formation...
June 2018: Bone
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