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https://www.readbyqxmd.com/read/30333865/atp-binding-cassette-transporter-a7-accelerates-epithelial-to-mesenchymal-transition-in-ovarian-cancer-cells-by-upregulating-the-transforming-growth-factor-%C3%AE-signaling-pathway
#1
Xia Liu, Qing Li, Jing Zhou, Su Zhang
Ovarian cancer (OC) has the highest fatality rates of all gynecological malignancies worldwide. The epithelial-to-mesenchymal transition (EMT) serves an essential role in the progression of OC. An improved understanding of the molecular mechanism underlying EMT in OC may increase the survival rate. ATP-binding cassette transporter A7 (ABCA7) is a candidate regulator of OC progression. However, the role of ABCA7 in OC is unclear. Using the PROGgeneV2 platform, the present study revealed that increased expression of ABCA7 is associated with poor outcomes in OC...
November 2018: Oncology Letters
https://www.readbyqxmd.com/read/30325506/phosphorylation-of-the-glucocorticoid-receptor-alters-smad-signaling-in-vocal-fold-fibroblasts
#2
Shigeyuki Mukudai, Nao Hiwatashi, Renjie Bing, Michael Garabedian, Ryan C Branski
OBJECTIVES/HYPOTHESIS: Direct glucocorticoid (GC) injection for vocal fold (VF) scarring has evolved as a therapeutic strategy, but the mechanisms underlying the antifibrotic effects remain unclear. GCs act via the glucocorticoid receptor (GR), which is phosphorylated at multiple serine residues in a hormone-dependent manner to affect bioactivity. We hypothesize that GCs regulate SMAD signaling via GR phosphorylation in vocal fold fibroblasts (VFFs). STUDY DESIGN: In vitro...
October 16, 2018: Laryngoscope
https://www.readbyqxmd.com/read/30324094/effect-of-angiotensin-ii-receptor-blocker-on-tgf-%C3%AE-1-mmp-1-and-collagen-type-i-and-type-iii-concentration-in-new-zealand-rabbit-urethral-stricture-model
#3
Safendra Siregar, Reni Farenia, Suwandi Sugandi, Rully M Roesli
Introduction: Urethral stricture is a disease with a high recurrence rate. Angiotensin II via AT1 receptor increases collagen formation through its effects on TGF-β1 and inhibition of collagenase activity. In this study, we evaluated the antifibrotic effect of angiotensin II receptor blocker on urethral stricture formation by creating a urethral stricture model in a male rabbit. Material and methods: Thirty three male adult rabbits were separated into 3 groups (control, treatment, and sham)...
2018: Research and Reports in Urology
https://www.readbyqxmd.com/read/30322965/differentiation-of-langerhans-cells-from-monocytes-and-their-specific-function-in-inducing-il-22-specific-th-cells
#4
Yohei Otsuka, Eri Watanabe, Eiji Shinya, Sadayuki Okura, Hidehisa Saeki, Teunis B H Geijtenbeek, Hidemi Takahashi
Human mucosal tissues and skin contain two distinct types of dendritic cell (DC) subsets, epidermal Langerhans cells (LCs) and dermal DCs, which can be distinguished by the expression of C-type lectin receptors, Langerin and DC-SIGN, respectively. Although peripheral blood monocytes differentiate into these distinct subsets, monocyte-derived LCs (moLCs) induced by coculture with GM-CSF, IL-4, and TGF-β1 coexpress both Langerin and DC-SIGN, suggesting that the environmental cues remain unclear. In this study, we show that LC differentiation is TGF-β1 dependent and that cofactors such as IL-4 and TNF-α promote TGF-β1-dependent LC differentiation into Langerin+ DC-SIGN- moLCs but continuous exposure to IL-4 blocks differentiation...
October 15, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/30320350/tgf-%C3%AE-1-secreted-by-m2-phenotype-macrophages-enhances-the-stemness-and-migration-of-glioma-cells-via-the-smad2-3-signalling-pathway
#5
Zhengzheng Liu, Weilu Kuang, Qin Zhou, Yingying Zhang
The positive correlation between the number of M2 phenotype TAMs (M2‑TAMs) and tumour development suggests a supportive role of M2‑TAMs in glioma progression. In the present study, the molecular link between glioma cells and M2‑TAMs was investigated and it was demonstrated that transforming growth factor‑β1 (TGF‑β1) secreted by M2‑TAMs is key in facilitating the stemness and migration of glioma cells. Cluster of differentiation (CD)133 and CD44, markers for the M2 phenotype, were assessed by western blotting...
October 9, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/30317790/-effects-of-blueberry-on-hepatic-fibrosis-and-expression-of-nuclear-transcription-factor-%C3%B0%C2%BAb-in-rats
#6
B F Zhang, M L Cheng, Y P Wang, Q Zhang, L Yu, X K Zhao, M Mu, Y Liu
Objective: To observe the effects of blueberry and nuclear expression of transcription factor-кb (NF-кb) p65 in an experimental rat model of liver fibrosis. Methods: Forty-five Sprague-Dawley rats were randomly divided into isotonic saline control group (A); model group (B); blueberry juice prevention group (C, 15 g/kg); dan-shao-hua-xian capsule prevention group (D, 1 g/kg); and blueberry juice + dan-shao-hua-xian capsule prevention group (E). Rat liver fibrosis model was established by covalent compound carbon tetrachloride (CCl(4))...
August 20, 2018: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/30316820/prenylated-quinolinecarboxylic-acid-derivative-prevents-neuronal-cell-death-through-inhibition-of-mkk4
#7
Masato Ogura, Haruhisa Kikuchi, Norshalena Shakespear, Toshiyuki Suzuki, Junko Yamaki, Miwako K Homma, Yoshiteru Oshima, Yoshimi Homma
The development of neuroprotective agents is necessary for the treatment of neurodegenerative diseases. Here, we report PQA-11, a prenylated quinolinecarboxylic acid (PQA) derivative, as a potent neuroprotectant. PQA-11 inhibits glutamate-induced cell death and caspase-3 activation in hippocampal cultures, as well as inhibits N-Methyl-4-phenylpyridinium iodide- and amyloid β1-42 -induced cell death in SH-SY5Y cells. PQA-11 also suppresses mitogen-activated protein kinase kinase 4 (MKK4) and c-jun N-terminal kinase (JNK) signaling activated by these neurotoxins...
October 11, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/30308508/tgf%C3%AE-1-smad-signaling-pathway-participates-in-interleukin-33-induced-epithelial-to-mesenchymal-transition-of-a549-cells
#8
Qiu-Yue Tan, Zhen-Shun Cheng
BACKGROUNDS/AIMS: Epithelial-to-mesenchymal transition (EMT) has been proven to be involved in development and progression of pulmonary fibrosis. This study aims to investigate the role of transforming growth factor β1 (TGFβ1)-smad signaling pathway in the interleukin-33 (IL-33) induced EMT. METHODS: The human type II alveolar epithelial cell line, A549, and small airway epithelial cells (SAEC) were cultured and divided into 4 groups including Control, LY-2109761 (TGFβ receptor inhibitor), IL-33 and IL-33+LY-2109761 group...
October 11, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/30308196/insights-into-hepatic-and-renal-fxr-ddah-1-enos-pathway-and-its-role-in-the-potential-benefit-of-rosuvastatin-and-silymarin-in-hepatic-nephropathy
#9
Yosra M Magdy, Omnyah A El-Kharashi, Dalia A A El-Waseef, Enas S Nabih, Abeer A Abd El Samad
OBJECTIVES: The repression of renal Farnesoid X Receptor (FXR) had been shown to result from lack of bile acid production from cirrhotic liver. We hypothesized that silymarin and rosuvastatin (Rvs) could have a hepatorenal therapeutic effects in hepatic nephropathy through induction of FXR. METHODS: Forty two male Wistar rats were used; naïve (n = 12); six of them were sacrificed after 4 weeks and six continued till the end of the experiment. Thirty rats were treated as follows: Rvs, silymarin, thioacetamide (TAA), TAA + Rvs and TAA + silymarin...
October 9, 2018: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/30302795/roles-for-osteocalcin-in-proliferation-and-differentiation-of-spermatogonial-cells-cocultured-with-somatic-cells
#10
Somayeh Solhjoo, Mohammad Akbari, Heidar Toolee, Keywan Mortezaee, Mahshid Mohammadipour, Seyed Noureddin Nematollahi-Mahani, Amene Shahrokhi, Mahtab Sayadi, Tayebeh Rastegar
Spermatogonial cells (SCs) are key cells for spermatogenesis. These cells are affected by paracrine signals originated from nearby somatic cells, among them Leydig cells have receptors for osteocalcin, a hormone known for exerting positive roles in the promotion of spermatogenesis. The aim of this study was to evaluate roles for osteocalcin on SCs proliferative and differentiation features after coculture with Leydig cells. SCs and Leydig cells were isolated from neonate NMRI offspring mice and adult NMRI mice, respectively...
October 9, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/30302790/upregulation-of-lincrna-p21-in-thoracic-aortic-aneurysms-is-involved-in-the-regulation-of-proliferation-and-apoptosis-of-vascular-smooth-muscle-cells-by-activating-tgf-%C3%AE-1-signaling-pathway
#11
Wenxian Hu, Zhaowei Wang, Qiang Li, Jinjun Wang, Lin Li, Guixi Jiang
OBJECTIVE: Long intergenic noncoding RNA-p21 (lincRNA-p21) has been proved in the pathogenesis of aortic aneurysms, while its functionality in thoracic aortic aneurysms (TAA) and the mechanism of function remains unclear. Therefore our study aimed to investigate the role of lincRNA-p21 in TAA. METHODS: Aortic media specimens and blood samples were collected from both patients with TAA and healthy controls. Expression of lincRNA-p21 in those tissues was detected by reverse-transcription quantitative polymerase chain reaction (qRT-PCR)...
October 9, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/30300707/antitumor-effect-of-a-liposome-encapsulated-%C3%AE-1-4-galactosyltransferase-inhibitor
#12
Guangsheng Cai, Kun Wang, Na Qu, Pengyou Qiu, Jason Z Vlahakis, Walter A Szarek, Robert J Lee, Yin Gao
Galactosyltransferases are a family of enzymes responsible for the synthesis of glycan chains which are involved in cell proliferation, adhesion and apoptosis. A recently synthesized galactosyltransferase inhibitor, 2-naphthyl 2-butanamido-2-deoxy-1-thio-β-D-glucopyranoside (612), has been found to selectively inhibit β1,4-galactosyltransferase over β1,3-galactosyltransferase and, therefore, has potential to suppress the synthesis of cancer associated epitopes. However, the application of this inhibitory activity in biological systems remains unknown...
October 6, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/30297669/the-inhibitory-effects-of-cyclodepsipeptides-from-the-entomopathogenic-fungus-beauveria-bassiana-on-myofibroblast-differentiation-in-a549-alveolar-epithelial-cells
#13
Yong Joo Park, Seoung Rak Lee, Dong Min Kim, Jae Sik Yu, Christine Beemelmanns, Kyu Hyuck Chung, Ki Hyun Kim
Pulmonary fibrosis (PF) is a chronic and fatal lung disease with few treatment options. Although the pathogenesis of PF is not clear, a chronic inflammatory response to continuous damage is considered the cause of pulmonary fibrosis. PF is characterized by excessive accumulation of extracellular matrix (ECM), therefore, inhibition of myofibroblast differentiation is a good therapeutic target for PF. As part of our continuing endeavor to explore biologically active metabolites from insect-associated microbes, we found that the MeOH extract of the culture broth from the entomopathogenic fungus Beauveria bassiana inhibited collagen induction and E -cadherin down-regulation...
October 8, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/30294225/a-herbal-formula-comprising-panax-ginseng-and-bee-pollen-inhibits-development-of-testosterone-induced-benign-prostatic-hyperplasia-in-male-wistar-rats
#14
Hyun Kyung Park, Su Kang Kim, Sang Won Lee, Joo-Ho Chung, Byung-Cheol Lee, Sae Won Na, Chun Gun Park, Young Ock Kim
A recent study reported that Panax ginseng ( P . ginseng ) has a protective effect on the development of benign prostatic hyperplasia (BPH). KH053 is used as a new herbal prescription consisting of P . ginseng and bee-pollen. The present study aimed to investigate whether the KH053 has inhibition effects on the development of benign prostatic hyperplasia (BPH) using an animal model with testosterone induced BPH. The experiment was carried out in forty male Wistar 7 week old rats that were divided into four groups (control group, BPH group, positive group, and KH053 group)...
November 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/30291750/alda-1-an-aldehyde-dehydrogenase-2-agonist-causes-deterioration-in-renal-functions-following-ischemia-reperfusion-injury-due-to-crystalline-nephropathy
#15
Fayez T Hammad, Suhail Al-Salam, Priya Yuvaraju, Loay Lubbad
Renal ischemia-reperfusion injury (IRI) induces the production of aldehydes which are detoxified by aldehyde dehydrogenases (ALDHs). Alda-1 is a selective ALDH2 agonist and its protective effect was demonstrated in several conditions. The effect of Alda-1 on the kidney or on renal IRI was not investigated. We investigated the effect of Alda-1 on the renal dysfunction following IRI. Wistar rats underwent left IRI for 40 min. Group-Alda (n = 11) received Alda-1 starting 24 h before IRI and continued for 7 days thereafter when renal functions were measured...
October 6, 2018: Drug Development Research
https://www.readbyqxmd.com/read/30291648/evaluation-of-effects-of-tgf-%C3%AE-1-inhibition-on-gastric-cancer-in-nude-mice-by-diffusion-kurtosis-imaging-and-in-line-x-ray-phase-contrast-imaging-with-sequential-histology
#16
Bowen Shi, Fei Yuan, Fuhua Yan, Huan Zhang, Zilai Pan, Weibo Chen, Guilong Wang, Jingwen Tan, Yang Zhang, Yuqi Ren, Lianjun Du
BACKGROUND: Accurate and complete response evaluation after treatment is important to implement individualized therapy for gastric cancer. PURPOSE: To investigate the effectiveness of diffusion kurtosis imaging (DKI) and in-line X-ray phase contrast imaging (ILXPCI) in the assessment of the therapeutic efficacy by transforming growth factor beta 1 (TGF-β1) inhibition. STUDY TYPE: Prospective animal study. ANIMAL MODEL: Thirty nude mice subcutaneous xenotransplantation tumor model of gastric cancer for DKI and 10 peritoneal metastasis nude mice model for ILXPCI...
October 6, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/30291490/immunomodulatory-properties-of-captopril-an-ace-inhibitor-on-lps-induced-lung-inflammation-and-fibrosis-as-well-as-oxidative-stress
#17
Javad Boskabadi, Vahid Reza Askari, Mahmoud Hosseini, Mohammad Hossein Boskabady
BACKGROUND: The role of angiotensin converting enzyme inhibitors on the inflammation process has been demonstrated previously. In the present study, the effects of captopril on lung injury induced by lipopolysaccharide (LPS) were investigated. METHODS: Control, LPS, 12.5, 25 and 50 mg/kg captopril-treated before LPS administration and captopril 50 mg/kg before saline administration groups of rats were studied. Total and percentage of differential WBC, the levels of MDA, total thiol groups, the activities of SOD and CAT, the levels of IFN-γ, PGE2, TGF-β1 and IL-4 in the BALF were evaluated...
October 5, 2018: Inflammopharmacology
https://www.readbyqxmd.com/read/30283354/partial-mechanical-unloading-of-the-heart-disrupts-l-type-calcium-channel-and-beta-adrenoceptor-signaling-microdomains
#18
Peter T Wright, Jose L Sanchez-Alonso, Carla Lucarelli, Anita Alvarez-Laviada, Claire E Poulet, Sean O Bello, Giuseppe Faggian, Cesare M Terracciano, Julia Gorelik
Introduction: We investigated the effect of partial mechanical unloading (PMU) of the heart on the physiology of calcium and beta-adrenoceptor-cAMP (βAR-cAMP) microdomains. Previous studies have investigated PMU using a model of heterotopic-heart and lung transplantation (HTHAL). These studies have demonstrated that PMU disrupts the structure of cardiomyocytes and calcium handling. We sought to understand these processes by studying L-Type Calcium Channel (LTCC) activity and sub-type-specific βAR-cAMP signaling within cardiomyocyte membrane microdomains...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/30278529/effects-of-the-chinese-herb-formula-yufeining-on-stable-chronic-obstructive-pulmonary-disease-a-randomized-double-blind-placebo-controlled-trial
#19
RANDOMIZED CONTROLLED TRIAL
Minli Hong, Chunlin Hong, Huinuan Chen, Gengshen Ke, Jinrong Huang, Xiaohua Huang, Yanhong Liu, Fengsen Li, Candong Li
BACKGROUND: A Chinese herb formula Yufeining (YFN) has showed promise in the treatment of stable chronic obstructive pulmonary disease (COPD), less is known that the impact of YFN in combination with standard Western treatments on lung inflammation. This study evaluated the safety and efficacy of YFN as a treatment for stable COPD and as an anti-inflammatory agent. METHODS: Sixty patients with stable COPD were randomly assigned to two treatment groups (YFN treatment, N = 30; placebo treatment, N = 30)...
September 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30277494/xanthine-oxidase-inhibitor-febuxostat-ameliorates-the-high-salt-intake-induced-cardiac-hypertrophy-and-fibrosis-in-dahl-salt-sensitive-rats
#20
Asako Namai-Takahashi, Akihiro Sakuyama, Takahiro Nakamura, Takahiro Miura, Junta Takahashi, Ryo Kurosawa, Masahiro Kohzuki, Osamu Ito
BACKGROUND: Xanthine oxidase (XO) is a source of reactive oxygen species production in the heart. However, pathophysiological role of XO has not been clarified in hypertensive heart disease. Thus, the present study examined impacts of high salt (HS) intake and febuxostat (Fx), a XO inhibitor in Dahl salt-sensitive (Dahl-S) rats. METHODS: 8-week old, male Dahl-S rats were fed a normal salt diet (0.6% NaCl) or a HS diet (8% NaCl) for 8 weeks. A part of the rats fed the HS diet were simultaneously treated with Fx (3mg/kg/day)...
October 1, 2018: American Journal of Hypertension
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