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https://www.readbyqxmd.com/read/28207279/angiotensin-converting-inhibitors-and-angiotensin-ii-receptor-blockers-and-longitudinal-change-in-percent-emphysema-on-computed-tomography-the-mesa-lung-study
#1
Megha A Parikh, Carrie P Aaron, Eric A Hoffman, Joseph E Schwartz, Jaime Madrigano, John H M Austin, Ravi Kalhan, Gina Lovasi, Karol Watson, Karen Hinckley Stukovsky, R Graham Barr
RATIONALE: Chronic obstructive pulmonary disease (COPD) is the third-leading cause of death in the United States. Emphysema on computed tomography (CT) is associated with increased morbidity and mortality in patients with and without spirometrically defined COPD but no available medications target emphysema.  Transforming growth factor beta (TGF-β) and endothelial dysfunction are implicated in emphysema pathogenesis, and angiotensin II receptor blockers (ARB) inhibit TGF-β, improve endothelial function and restore airspace architecture in murine models...
February 16, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28197985/inonotus-obliquus-polysaccharide-regulates-gut-microbiota-of-chronic-pancreatitis-in-mice
#2
Yang Hu, Chunying Teng, Sumei Yu, Xin Wang, Jinsong Liang, Xin Bai, Liying Dong, Tao Song, Min Yu, Juanjuan Qu
Polysaccharide is efficient in attenuation of metabolic ailments and modulation of gut microbiota as prebiotics. The therapeutic effect of Inonotus obliquus polysaccharide (IOP) on chronic pancreatitis (CP) in mice has been validated in our previous study. However, it is not clear whether IOP is conducive to maintaining the homeostasis between gut microbiota and host. The aim of this study is to testify the potential effects of IOP on gut microbiota composition and diversity in mice with CP. The changes in glutathione peroxidase (GSH-PX), total antioxidant capacity (TAOC), tumor necrosis factor alpha (TNF-α), transforming growth factor beta (TGF-β), lipase and trypsin levels were measured by commercial assay kits, meanwhile the gut microbiota composition and diversity were analyzed by high throughput sequencing...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28195144/concomitant-underexpression-of-tgfbr2-and-overexpression-of-htert-are-associated-with-poor-prognosis-in-cervical-cancer
#3
Hui Yang, Hongyan Zhang, Yahua Zhong, Qiaoli Wang, Lei Yang, Hong Kang, Xiaojia Gao, Haijun Yu, Conghua Xie, Fuxiang Zhou, Yunfeng Zhou
The human telomerase reverse transcriptase (hTERT) is highly expressed in a variety of tumors. The transforming growth factor beta receptor type II (TGFBR2) is a downstream protein of transforming growth factor beta (TGF-β) which suppresses telomerase activity. However, the relevance of survival to the expression of TGFBR2, hTERT or TGFBR2/hTERT has not been previously investigated in cervical cancer tissues. Our study showed that patients with low level of TGFBR2 were associated with poor prognosis (HR = 1...
February 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28194878/platelet-activated-serum-might-have-a-therapeutic-effect-on-damaged-articular-cartilage
#4
Munetaka Yokoyama, Masato Sato, Yoshiki Tani, Miyuki Yokoyama, Mami Kokubo, Masayuki Yamato, Teruo Okano, Joji Mochida
Platelet-activated serum (PAS) was collected from rabbits. This contains high concentrations of growth factors, including vascular endothelial growth factor (VEGF), platelet-derived growth factor (PDGF)-BB, and transforming growth factor-beta (TGF-β). PAS was injected into the knee joints of Japanese White rabbits subjected to anterior cruciate ligament transection (ACL-T) to investigate its therapeutic effects on articular cartilage. The effect of Avastin (an anti-VEGF monoclonal antibody) on VEGF expression was also investigated...
February 14, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28192881/stem-cell-biomaterials-and-growth-factors-therapy-for-hepatocellular-carcinoma
#5
REVIEW
Soleiman Jaferian, Maryam Soleymaninejad, Babak Negahdari, Ali Eatemadi
Hepatocellular carcinoma is an antecedent of liver illnesses, including viral hepatitis, alcohol abuse, or metabolic disease. Transforming growth factor-Beta (TGF-b) plays an important role in creating a favorable microenvironment for tumor cell growth via two major mechanisms: an intrinsic activity as an autocrine growth factor and an extrinsic activity by inducing microenvironment changes. Recently stem cell therapy as also been a promising and potential treatment for liver cancer and in addition signaling pathways like GF/GFR systems, SDF-1α/CXC4 ligand receptor interaction and PI3K/Akt signaling, and cytokines has been identified to regulate cell fate decisions, and can be utilized to positively influence cell therapy outcomes...
February 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28192751/ameliorative-potential-of-linagliptin-and-or-calcipotriol-on-bleomycin-induced-lung-fibrosis-in-vivo-and-in-vitro-study
#6
Ahmed M Kabel, Maaly A Abd Elmaaboud, Aliaa Atef, Mohammed H Baali
Pulmonary fibrosis is a serious medical problem that may significantly compromise respiratory functions. The aim of this work was to study the effect of linagliptin and/or calcipotriol on bleomycin-induced pulmonary fibrosis and to explore the possible mechanisms underlying this effect. One hundred and twenty male C57BL/6 mice were divided into 6 equal groups as follows: control group; bleomycin group; bleomycin+carboxymethylcellulose group; bleomycin+linagliptin group; bleomycin+calcipotriol group and bleomycin+linagliptin+calcipotriol group...
February 4, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28192115/substance-p-enhances-proliferation-and-paracrine-potential-of-adipose-derived-stem-cells-in-vitro
#7
Suna Kim, Jiyuan Piao, Youngsook Son, Hyun Sook Hong
Stem cells have tremendous promise to treat intractable diseases. Notably, adipose-derived stem cells (ADSCs) are actively being investigated because of ease of sampling and high repopulation capacity in vitro. ADSCs can exert a therapeutic effect through differentiation and paracrine potential, and these actions have been proven in many diseases, including cutaneous and inflammatory diseases. Transplantation of ADSCs necessitates therapeutic quantities and thus, long term ex vivo culture of ADSCs. However, this procedure can impair the activity of ADSCs and provoke cellular senescence, leading to low efficacy in vivo...
February 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28190584/the-effects-of-m1-and-m2-macrophages-on-odontogenic-differentiation-of-human-dental-pulp-cells
#8
Hee Chul Park, Hongxuan Quan, Tingting Zhu, Yongjoon Kim, Bongju Kim, Hyeong-Cheol Yang
INTRODUCTION: M1 (classically activated) and M2 (alternatively activated) macrophages are known to play primary roles in inflammation and tissue regeneration. To investigate the role of macrophages in dentin regeneration, this study examined the effects of M1 and M2 macrophages on the odontogenic/osteogenic differentiation of human dental pulp cells (HDPCs) using the conditioned media (CM) of the activated human monocyte cell line THP-1. METHODS: M1 and M2 macrophages were induced by lipopolysaccharide/interferon-γ and interleukin-4, respectively, and the phenotypes were confirmed by flow cytometry...
February 9, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28188996/dual-delivery-of-growth-factors-with-coacervate-coated-poly-lactic-co-glycolic-acid-nanofiber-improves-neovascularization-in%C3%A2-a-mouse-skin-flap-model
#9
Min Suk Lee, Taufiq Ahmad, Jinkyu Lee, Hassan K Awada, Yadong Wang, Kyobum Kim, Heungsoo Shin, Hee Seok Yang
Random skin flaps are commonly used in plastic and reconstructive surgery for patients suffering from severe or large scale wounds or in facial reconstruction. However, skin flaps are sometimes susceptible to partial or complete necrosis at the distal parts of the flaps due to insufficient blood perfusion in the defected area. In order to improve neovascularization in skin flaps, we developed an exogenous growth factor (GF) delivery platform comprised of coacervate-coated poly(lactic-co-glycolic acid) (PLGA) nanofibers...
January 30, 2017: Biomaterials
https://www.readbyqxmd.com/read/28187790/retinoic-acid-and-tgf-%C3%AE-signalling-cooperate-to-overcome-mycn-induced-retinoid-resistance
#10
David J Duffy, Aleksandar Krstic, Melinda Halasz, Thomas Schwarzl, Anja Konietzny, Kristiina Iljin, Desmond G Higgins, Walter Kolch
BACKGROUND: Retinoid therapy is widely employed in clinical oncology to differentiate malignant cells into their more benign counterparts. However, certain high-risk cohorts, such as patients with MYCN-amplified neuroblastoma, are innately resistant to retinoid therapy. Therefore, we employed a precision medicine approach to globally profile the retinoid signalling response and to determine how an excess of cellular MYCN antagonises these signalling events to prevent differentiation and confer resistance...
February 10, 2017: Genome Medicine
https://www.readbyqxmd.com/read/28177698/influence-of-alpha-lipoic-acid-on-nicotine-induced-lung-and-liver-damage-in-experimental-rats
#11
Hayam Ateyya, Manar Nader, Ghalia Attia, Nagla Ahmad El-Sherbeeny
Nicotine mediates some of the injurious effects caused by consuming tobacco products. This work aimed at investigating the defensive role of alpha-lipoic acid (ALA) with its known antioxidant and anti-inflammatory effect in nicotine -induced lung and liver damage. Rats were arranged into four groups, a control, nicotine, ALA group and ALA-nicotine groups. Oxidative stress and antioxidant status were determined by assessing thiobarbituric acid reactive substances (TBARs), superoxide dismutase (SOD) and glutathione (GSH) levels in lung and liver...
October 12, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28177680/the-effect-of-midkine-on-growth-factors-and-oxidative-status-in-an-experimental-wound-model-in-diabetic-and-healthy-rats
#12
Burak DiK, Ahmet Levent Bas, Nuray Yazihan
Wound healing is important for long life. Midkine is a cytokine involved in controlling tissue repair and new tissue development, and regulating inflammation. We investigated the effect of midkine on wound healing in rats. In total, 108 Wistar albino rats were used: 12 as healthy and diabetic controls; 96 split into four groups: healthy, saline treated (HW); healthy, midkine (10 ng/kg, 48-hourly intervals) treated (HM); diabetic, saline treated (DW); and diabetic, midkine treated (DM). Following wound creation, 6 rats per group were euthanized on days 3, 7, 14 and 28; the wounded skin was removed...
December 23, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28176608/validation-of-commercial-elisas-for-quantifying-anabolic-growth-factors-and-cytokines-in-canine-acd-a-anticoagulated-plasma
#13
Kate Birdwhistell, Robert Basinger, Brian Hayes, Natalie Norton, David J Hurley, Samuel P Franklin
Platelet-rich plasma has been studied extensively in dogs, but validation of enzyme-linked immunosorbent assays (ELISAs) for quantifying anabolic growth factors and inflammatory cytokines in canine plasma prepared with citrate-based anticoagulants is not available. We performed a validation of commercial ELISAs for transforming growth factor-beta 1 (TGF-β1), platelet-derived growth factor-BB (PDGF-BB), vascular endothelial growth factor (VEGF), tumor necrosis factor-alpha (TNF-α), and interleukin-1 beta (IL-1β) for use with canine plasma prepared with acid-citrate-dextrose, solution A (ACD-A)...
January 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28176272/effects-of-combined-raav-mediated-tgf-%C3%AE-and-sox9-gene-transfer-and-overexpression-on-the-metabolic-and-chondrogenic-activities-in-human-bone-marrow-aspirates
#14
Ke Tao, Ana Rey-Rico, Janina Frisch, Jagadeesh Kumar Venkatesan, Gertrud Schmitt, Henning Madry, Jianhao Lin, Magali Cucchiarini
BACKGROUND: Transplantation of genetically modified bone marrow concentrates is an attractive approach to conveniently activate the chondrogenic differentiation processes as a means to improve the intrinsic repair capacities of damaged articular cartilage. METHODS: Human bone marrow aspirates were co-transduced with recombinant adeno-associated virus (rAAV) vectors to overexpress the pleiotropic transformation growth factor beta (TGF-β) and the cartilage-specific transcription factor sox9 as a means to enhance the chondroreparative processes in conditions of specific lineage differentiation...
December 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28173844/differential-long-noncoding-rna-mrna-expression-profiling-and-functional-network-analysis-during-osteogenic-differentiation-of-human-bone-marrow-mesenchymal-stem-cells
#15
Wenyuan Zhang, Rui Dong, Shu Diao, Juan Du, Zhipeng Fan, Fu Wang
BACKGROUND: Mesenchymal stem cells (MSCs) are the most promising cell types for bone regeneration and repair due to their osteogenic potential. MSC differentiation is precisely regulated and orchestrated by the mechanical and molecular signals from the extracellular environment, involving complex pathways regulated at both the transcriptional and post-transcriptional levels. However, the potential role of long noncoding RNA (lncRNA) in the osteogenic differentiation of human MSCs remains largely unclear...
February 7, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28165192/the-tgf-%C3%AE-induced-up-regulation-of-nkg2dls-requires-akt-gsk-3%C3%AE-mediated-stabilization-of-sp1
#16
Xiao-Hui Chen, Lin-Lin Lu, Hong-Peng Ke, Zong-Cai Liu, Hai-Fang Wang, Wei Wei, Yi-Fei Qi, Hong-Sheng Wang, Shao-Hui Cai, Jun Du
Natural killer (NK) cells play an important role in preventing cancer development. NK group 2 member D (NKG2D) is an activating receptor expressed in the membrane of NK cells. Tumour cells expressing NKG2DL become susceptible to an immune-dependent rejection mainly mediated by NK cells. The paradoxical roles of transforming growth factor beta (TGF-β) in regulation of NKG2DL are presented in many studies, but the mechanism is unclear. In this study, we showed that TGF-β up-regulated the expression of NKG2DLs in both PC3 and HepG2 cells...
February 6, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28159920/tgfbeta-and-mirna-regulation-in-familial-and-sporadic-breast-cancer
#17
Katia Danza, Simona De Summa, Rosamaria Pinto, Brunella Pilato, Orazio Palumbo, Massimo Carella, Ondina Popescu, Maria Digennaro, Rosanna Lacalamita, Stefania Tommasi
The term 'BRCAness' was introduced to identify sporadic malignant tumors sharing characteristics similar to those germline BRCA-related. Among all mechanisms attributable to BRCA1 expression silencing, a major role has been assigned to microRNAs. MicroRNAs role in familial and sporadic breast cancer has been explored but few data are available about microRNAs involvement in homologous recombination repair control in these breast cancer subgroups. Our aim was to seek microRNAs associated to pathways underlying DNA repair dysfunction in breast cancer according to a family history of the disease...
January 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28159737/stem-and-progenitor-cell-alterations-in-myelodysplastic-syndromes
#18
Aditi Shastri, Britta Will, Ulrich Steidl, Amit Verma
Recent studies have demonstrated that myelodysplastic syndromes (MDS) arise from a small population of disease initiating hematopoietic stem cells (HSCs) that persist and expand through conventional therapies and are major contributors to disease progression and relapse. MDS stem and progenitor cells are characterized by key founder and driver mutations and are enriched for cytogenetic alterations. Quantitative alterations in stem and progenitor numbers are also seen in a stage specific manner in human MDS samples as well as in murine models of the disease...
February 3, 2017: Blood
https://www.readbyqxmd.com/read/28159675/transforming-growth-factor-%C3%AE-and-interleukin-13-producing-mast-cells-are-associated-with-fibrosis-in-bone-marrow
#19
Shoko Nakayama, Taiji Yokote, Nobuya Hiraoka, Toshikazu Akioka, Uta Nishiwaki, Takuji Miyoshi, Kazuki Iwaki, Ayami Fumimoto, Yuki Masuda, Jun Hatooka, Mayumi Fujimoto, Yasuichiro Nishimura, Motomu Tsuji
Although bone marrow fibrosis is a lethal condition, its underlying mechanism is not fully understood. This study aimed to investigate the pathogenesis of fibrosis in the bone marrow through histological examination of mast cell infiltration and the expression of fibrosis-associated cytokines. We analyzed 22 bone marrows with fibrosis [eight primary myelofibrosis (PMF), five post-essential thrombocythemia (ET) myelofibrosis (MF), and nine myelodysplastic syndrome (MDS) with bone marrow fibrosis (BMF)]. Immunohistochemical and immunofluorescence staining were performed using anti-mast cell tryptase, interleukin (IL)-13, transforming growth factor-beta (TGF-β), CD34, and CD42b antibodies...
January 31, 2017: Human Pathology
https://www.readbyqxmd.com/read/28156441/strategy-of-using-herbal-extract-preparations-for-stage-iv-cancer-in-palliative-care-an-enhanced-and-maintenance-therapy
#20
Zhang Lingyan, Zhou Xiaoxia, Yin Weihua, Zhang Xiulian, Liu Hong, Duan Xiaopeng, Yu Cui, Luo Xiaolu, Zhong Qingfeng, Zhao Fen, Li Xianyong
: 89 Background: Palliative care is focused and seems as rationally anti-cancer way that have low systemic toxicity and acceptable effectiveness for stage IV cancer, especially herbal extracted medicines, which can regulate tumor microenviroment and body immune system. Our previous lab studies have indicated that TGF-beta, EGF, VEGF, IL-10 cytokines expression and mico-vessel density can be downgraded in tumor microenviroment by herbal extract preparation from Ginseng, Herba Agrimonia, Hairyvein and Arginine etc...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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