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https://www.readbyqxmd.com/read/28097053/in-vitro-effect-of-direct-current-electrical-stimulation-on-rat-mesenchymal-stem-cells
#1
Sahba Mobini, Liudmila Leppik, Vishnu Thottakkattumana Parameswaran, John Howard Barker
BACKGROUND: Electrical stimulation (ES) has been successfully used to treat bone defects clinically. Recently, both cellular and molecular approaches have demonstrated that ES can change cell behavior such as migration, proliferation and differentiation. METHODS: In the present study we exposed rat bone marrow- (BM-) and adipose tissue- (AT-) derived mesenchymal stem cells (MSCs) to direct current electrical stimulation (DC ES) and assessed temporal changes in osteogenic differentiation...
2017: PeerJ
https://www.readbyqxmd.com/read/28086769/effect-of-ginseng-extract-on-the-tgf-%C3%AE-1-signaling-pathway-in-ccl4-induced-liver-fibrosis-in-rats
#2
Mohamed M Hafez, Sherifa S Hamed, Manal F El-Khadragy, Zeinab K Hassan, Salim S Al Rejaie, Mohamed M Sayed-Ahmed, Naif O Al-Harbi, Khalid A Al-Hosaini, Mohamed M Al-Harbi, Ali R Alhoshani, Othman A Al-Shabanah, Shakir Dekhal Alsharari
BACKGROUND: Liver diseases are major global health problems. Ginseng extract has antioxidant, immune-modulatory and anti-inflammatory activities. This study investigated the effect of ginseng extract on carbon tetrachloride (CCl4)-induced liver fibrosis in rats. METHODS: Male Wistar rats were divided into four groups: control group, ginseng group, CCl4 group and CCl4 + ginseng group. Liver injury was induced by the intraperitoneal (I.P) injection of 3 ml/kg CCl4 (30% in olive oil) weekly for 8 weeks...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28079129/circrna_000203-enhances-the-expression-of-fibrosis-associated-genes-by-derepressing-targets-of-mir-26b-5p-col1a2-and-ctgf-in-cardiac-fibroblasts
#3
Chun-Mei Tang, Ming Zhang, Lei Huang, Zhi-Qin Hu, Jie-Ning Zhu, Zhen Xiao, Zhuo Zhang, Qiu-Xiong Lin, Xi-Long Zheng, Min -Yang, Shu-Lin Wu, Jian-Ding Cheng, Zhi-Xin Shan
Circular RNAs (circRNAs) participate in regulating gene expression in diverse biological and pathological processes. The present study aimed to investigate the mechanism underlying the modulation of circRNA_000203 on expressions of fibrosis-associated genes in cardiac fibroblasts. CircRNA_000203 was shown upregulated in the diabetic mouse myocardium and in Ang-II-induced mouse cardiac fibroblasts. Enforced-expression of circRNA_000203 could increase expressions of Col1a2, Col3a1 and α-SMA in mouse cardiac fibroblasts...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28075443/microrna-expression-signature-and-the-therapeutic-effect-of-the-microrna%C3%A2-21-antagomir-in-hypertrophic-scarring
#4
Liang Guo, Kai Xu, Hongbo Yan, Haifeng Feng, Tao Wang, Linlin Chai, Guozheng Xu
Hypertrophic scars (HS) area fibroproliferative disorder of the skin, which causes aesthetic and functional impairment. However, the molecular pathogenesis of this disease remains largely unknown and currently no efficient treatment exists. MicroRNAs (miRNAs) are involved in a variety of pathophysiological processes, however the role of miRNAs in HS development remains unclear. To investigate the miRNA expression signature of HS, microarray analysis was performed and 152 miRNAs were observed to be differentially expressed in HS tissue compared with normal skin tissues...
January 5, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28059478/amplified-7q21-22-gene-mcm7-and-its-intronic-mir-25-suppress-col1a2-associated-genes-to-sustain-intestinal-gastric-cancer-features
#5
Sembulingam Tamilzhalagan, Dhanasekaran Rathinam, Kumaresan Ganesan
Frequent amplification of 7q21-22 genomic region is known in gastric cancer. Multiple genes including SHFM1, MCM7 and COL1A2 were reported to be the potential cancer candidate genes of this 20 Mb amplicon. This amplicon has two polycistrionic miRNA clusters and in the present study, miR-106b-25 cluster located in intron-13 of MCM7 was identified to express in gastric tumors. Among the 7q21-22 candidate genes, SHFM1 & MCM7 are expressed in intestinal type gastric tumors, whereas COL1A2 is expressed in diffuse type gastric tumors...
January 6, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28057405/genetic-variants-associated-with-skin-aging-in-the-chinese-han-population
#6
Wenshan Gao, Jingze Tan, Anke Hüls, Anan Ding, Yu Liu, Mary S Matsui, Andrea Vierkötter, Jean Krutmann, Tamara Schikowski, Li Jin, Sijia Wang
BACKGROUND: The progression and manifestation of human skin aging has a strong genetic basis; however, most of the supporting evidence has been gathered in Caucasian populations. The genetic contribution to the variation in skin aging in non-Caucasian populations is poorly understood. OBJECTIVE: To investigate the genetic risk factors of relevance for skin aging in East Asians, we conducted the first candidate gene study for signs of skin aging in Han Chinese. METHODS: We collected skin aging and genotype data in 502 female Han Chinese from the Taizhou cohort...
December 22, 2016: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28035422/-corrigendum-clinical-characteristics-and-the-identification-of-novel-mutations-of-col1a1-and-col1a2-in-61%C3%A2-chinese-patients-with-osteogenesis-imperfecta
#7
Hao Zhang, Hua Yue, Chun Wang, Weiwei Hu, Jiemei Gu, Jinwei He, Wenzhen Fu, Yunqiu Hu, Miao Li, Zhenlin Zhang
Following the publication of this article, an interested reader drew to our attention that, in Table IV, we describe a c.1081C>T, p.Arg361X mutation in collagen type I, alpha 2 (COL1A2). Codon 361 is a glycine residue, not an arginine, according to the transcript, Z74616.1. We re‑examined the original data, and identified that the mutation c.1081C>T, p.Arg361X was of the collagen type I, alpha 1 COL1A1 gene, and furthermore, it was not novel in the mutation spectrum of COL1A1. Therefore, in the paper, the c...
February 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28017821/identification-of-a-p-arg708gln-variant-in-col1a2-in-atypical-femoral-fractures
#8
Funck-Brentano Thomas, Ostertag Agnes, Debiais Francoise, Fardellone Patrice, Corinne Collet, Mornet Etienne, Cohen-Solal Martine
OBJECTIVES: Long-term bisphosphonates exposure is a proven risk factor for atypical femoral fractures (AFF) but several cases occur in untreated patients. The identification of other risk factors for AFF is critical for the management of osteoporosis. We here assessed the genetic factors associated with AFF regardless of the treatment. METHODS: Cases were identified through ICD-10 codes in 3 academic centers. Medical records were analyzed by 2 investigators that adjudicated X-rays for typical or atypical fractures...
December 22, 2016: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28017695/mir-29c-is-implicated-in-the-cardioprotective-activity-of-panax-notoginseng-saponins-against-isoproterenol-induced-myocardial-fibrogenesis
#9
Li Liu, Bingbing Ning, Jingang Cui, Teng Zhang, Yu Chen
ETHNOPHARMACOLOGICAL RELEVANCE: Panax notoginseng (Burkill) F.H. Chen (Araliaceae) has a long history of clinical application in China for the treatment of cardiovascular diseases. Panax notoginseng saponins (PNS) have been proven to be the major cardioprotective substances of Panax notoginseng (Burkill) F.H. Chen (Araliaceae). AIM OF THE STUDY: The current study further investigated the molecular mechanisms associated with the cardioprotective effect of PNS. MATERIALS AND METHODS: C57BL/6J mice were subject to isoproterenol (ISO)-induced myocardial injury in the absence or presence of PNS treatment...
December 22, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28009707/the-spine-in-patients-with-osteogenesis-imperfecta
#10
Maegen J Wallace, Richard W Kruse, Suken A Shah
Osteogenesis imperfecta is a genetic disorder of type I collagen. Although multiple genotypes and phenotypes are associated with osteogenesis imperfecta, approximately 90% of the mutations are in the COL1A1 and COL1A2 genes. Osteogenesis imperfecta is characterized by bone fragility. Patients typically have multiple fractures or limb deformity; however, the spine can also be affected. Spinal manifestations include scoliosis, kyphosis, craniocervical junction abnormalities, and lumbosacral pathology. The incidence of lumbosacral spondylolysis and spondylolisthesis is higher in patients with osteogenesis imperfecta than in the general population...
February 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27997896/elevated-thbs2-col1a2-and-spp1-expression-levels-as-predictors-of-gastric-cancer-prognosis
#11
Chuanjun Zhuo, Xubin Li, Hongqing Zhuang, Shunli Tian, Hailong Cui, Ronghuan Jiang, Chuanxin Liu, Ran Tao, Xiaodong Lin
BACKGROUND/AIMS: Gastric cancer (GC) is an important health problem. Classification based on molecular subtypes may help to determine the prognosis of patients with GC. Tumor invasion and metastasis are important factors affecting the prognosis of cancer. We aimed to identify genes related to tumor invasion and metastasis, which may serve as indicators of good GC prognosis. METHODS: Tumor tissues and adjacent normal tissues were collected from 105 patients with primary GC who were treated by undergoing radical surgery...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27993989/the-transcription-factor-mohawk-homeobox-regulates-homeostasis-of-the-periodontal-ligament
#12
Naoki Koda, Tempei Sato, Masahiro Shinohara, Shizuko Ichinose, Yoshiaki Ito, Ryo Nakamichi, Tomohiro Kayama, Kensuke Kataoka, Hidetsugu Suzuki, Keiji Moriyama, Hiroshi Asahara
The periodontal ligament (PDL), which connects the teeth to the alveolar bone, is essential for periodontal tissue homeostasis. Although the significance of the PDL is recognized, molecular mechanisms underlying PDL function are not well known. We report that mohawk homeobox (Mkx), a tendon-specific transcription factor, regulates PDL homeostasis by preventing its degeneration. Mkx is expressed in the mouse PDL at the age of 10 weeks and expression remained at similar levels at 12 months. In Mkx(-/-) mice, age-dependent expansion of the PDL at the maxillary first molar (M1) furcation area was observed...
January 15, 2017: Development
https://www.readbyqxmd.com/read/27928823/identification-of-differentially-expressed-genes-in-longissimus-muscle-of-pigs-with-high-and-low-intramuscular-fat-content-using-rna-sequencing
#13
K S Lim, K T Lee, J E Park, W H Chung, G W Jang, B H Choi, K C Hong, T H Kim
Intramuscular fat (IMF) content in pork is an important element of consumer preference and is positively correlated with meat quality, including tenderness and juiciness. With advances in RNA sequencing technologies, transcriptome-related differences can be associated with specific traits in animals. The objective of this study was to investigate differentially expressed genes (DEGs) closely related to IMF content in porcine longissimus muscle using RNA sequencing. A total of 107 Berkshire pigs were used for IMF content measurements, and significant differences between extremely high (H, n = 3) and low (L, n = 3) IMF content groups were found (P < 0...
December 7, 2016: Animal Genetics
https://www.readbyqxmd.com/read/27923447/amelioration-of-non-alcoholic-fatty-liver-disease-with-npc1l1-targeted-igy-or-n-3-polyunsaturated-fatty-acids-in-mice
#14
Jin-Sik Bae, Jong-Min Park, Junghoon Lee, Byung-Chul Oh, Sang-Ho Jang, Yun Bin Lee, Young-Min Han, Chan-Young Ock, Ji-Young Cha, Ki-Baik Hahm
Patients with non-alcoholic fatty liver disease (NAFLD) have an increased risk for progression to hepatocellular carcinoma in addition to comorbidities such as cardiovascular and serious metabolic diseases; however, the current therapeutic options are limited. Based on our previous report that omega-3 polyunsaturated fatty acids (n-3 PUFAs) can significantly ameliorate high fat diet (HFD)-induced NAFLD, we explored the therapeutic efficacy of n-3 PUFAs and N-IgY, which is a chicken egg yolk-derived IgY specific for the Niemann-Pick C1-Like 1 (NPC1L1) cholesterol transporter, on NAFLD in mice...
January 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/27899990/microarray-analysis-of-differentially-expressed-genes-and-linker-genes-associated-with-the-molecular-mechanism-of-colorectal-cancer
#15
Xingjie Shen, Meng Yue, Fansheng Meng, Jingyu Zhu, Xiaoyan Zhu, Yakun Jiang
Colorectal cancer (CRC) is one of the most prevalent malignancies worldwide and remains the third leading cause of cancer-associated mortality. The present study aimed to fully elucidate the pathogenesis of CRC and identify associated genes in tumor development. Microarray GSE44076, GSE41328 and GSE44861 datasets were downloaded from the Gene Expression Omnibus database and integrated with meta-analysis. Differentially-expressed genes (DEGs) were identified from CRC samples compared with adjacent non-cancerous controls using the Limma package in R, followed by functional analysis using the Database for Annotation, Visualization, and Integrated Discovery online tool...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895742/comparative-analysis-of-gene-expression-profiles-of-gastric-cardia-adenocarcinoma-and-gastric-non-cardia-adenocarcinoma
#16
Bin Song, Juan Du, Neng Deng, Ji-Chen Ren, Zhen-Bo Shu
In the present study, gene expression profiles were analyzed to identify the molecular mechanisms underlying gastric cardia adenocarcinoma (GCA) and gastric non-cardia adenocarcinoma (GNCA). A gene expression dataset (accession number GSE29272) was downloaded from Gene Expression Omnibus, and consisted of 62 GCA samples and 62 normal controls, as well as 72 GNCA samples and 72 normal controls. The two groups of differentially-expressed genes (DEGs) were compared to obtain common and unique DEGs. A differential analysis was performed using the Linear Models for Microarray Data package in R...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27894325/identification-of-col1a1-and-col1a2-as-candidate-prognostic-factors-in-gastric-cancer
#17
Jun Li, Yuemin Ding, Aiqing Li
BACKGROUND: The role of type I collagen, composed of collagen type I alpha 1 (COL1A1) and collagen type I alpha 2 (COL1A2), has been studied in several cancers. However, the expression of COL1A1 and COL1A2 in malignant, premalignant, and normal gastric tissues and their clinical significances in gastric cancer have not been elucidated. METHODS: Real-time quantitative PCR was performed in 55 malignant, 27 premalignant, and 19 normal tissues to measure COL1A1 and COL1A2 messenger RNA (mRNA) expression, and the correlations between COL1A1 and COL1A2 expression and clinicopathological parameters and patients' survival rate were analyzed...
November 29, 2016: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27881410/taz-activation-drives-fibroblast-spheroid-growth-expression-of-pro-fibrotic-paracrine-signals-and-context-dependent-ecm-gene-expression
#18
Amy J Jorgenson, Kyoung Moo Choi, Delphine Sicard, Karry M J Smith, Samantha E Hiemer, Xaralabos Varelas, Daniel J Tschumperlin
Recent studies have implicated the Hippo pathway and its transcriptional effectors YAP and TAZ as necessary for fibroblast activation and tissue fibrosis. To test the specific and sufficient roles for TAZ in driving autonomous fibroblast activation, we cultured NIH3T3 fibroblasts expressing a doxycycline-inducible nuclear-localized mutant of TAZ (TAZ4SA) in scaffold-free 3D hanging drop spheroids, or on matrices of specified mechanical rigidity. Control NIH3T3 fibroblasts formed spheroids in hanging drop culture that remained stable and neither increased nor decreased in size significantly over 15 days...
November 23, 2016: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/27881195/the-involvement-of-runx2-and-sparc-genes-in-the-bacterial-chondronecrosis-with-osteomyelitis-in-broilers
#19
E Paludo, A M G Ibelli, J O Peixoto, F C Tavernari, C A V Lima-Rosa, J R C Pandolfi, M C Ledur
Economic losses due to an increase of leg disorders in broilers have become a major concern of the poultry industry. Despite the efforts to reduce skeletal abnormalities in chickens, insufficient progress has been made. Bacterial chondronecrosis with osteomyelitis (BCO) is one of the main disorders that affect bone integrity in broilers. However, the genetic pathways and genes involved in most bone problems, including BCO, remains unclear. In this study, femoral samples from male broilers with 45 days of age affected or not with BCO were used to compare the relative expression with a reverse transcription real time PCR approach of 13 candidate genes: SPP1 (osteopontin), TNFRSF11B (osteoprotegerin), SPARC (osteonectin), CALB1 (calbidin 1), CALM (Calmodulin 2), IBSP (sialoprotein), COL1A2 (collagen, type I, α 2), BMP2 (bone morphogenetic protein 2), BMP3 (bone morphogenetic protein 3), RANKL (κ-B nuclear factor ligand), SMAD1 (SMAD family member 1), LEPR (leptin receptor) and RUNX2 (related transcription factor Runt 2)...
November 24, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/27866191/the-long-non-coding-rna-lncrna8975-1-is-upregulated-in-hypertrophic-scar-fibroblasts-and-controls-collagen-expression
#20
Jun Li, Ling Chen, Chunyu Cao, Hui Yan, Bei Zhou, Yanli Gao, Qian Li, Jingyun Li
BACKGROUND/AIMS: Long non-coding RNAs (lncRNAs) are thought to play crucial roles in human diseases. However, the function of lncRNAs in hypertrophic scar formation remains poorly understood. METHODS: In this study, we investigated the expression of lncRNA8975-1 in hypertrophic scar tissues and fibroblasts by quantitative reverse transcription PCR (qRT-PCR). To investigate its function, overexpression and knockdown of lncRNA8975-1 were performed using lentivirus infection and Stealth RNAi transfection, respectively...
2016: Cellular Physiology and Biochemistry
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