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https://www.readbyqxmd.com/read/29117645/proteomic-profiling-of-tgfbi-null-mouse-corneas-reveals-only-minor-changes-in-matrix-composition-supportive-of-tgfbi-knockdown-as-therapy-against-tgfbi-linked-corneal-dystrophies
#1
Ebbe Toftgaard Poulsen, Kasper Runager, Nadia Sukusu Nielsen, Marie V Lukassen, Karen Thomsen, Paige Snider, Olga Simmons, Henrik Vorum, Simon J Conway, Jan J Enghild
TGFBIp is a constituent of the extracellular matrix in many human tissues including the cornea, where it is one of the most abundant proteins expressed. TGFBIp interacts with Type I, II, IV, VI and XII collagens as well as several members of the integrin family, suggesting it plays an important role in maintaining structural integrity and possibly corneal transparency as well. Significantly, more than 60 point mutations within the TGFBI gene have been reported to result in aberrant TGFBIp folding and aggregation in the cornea, resulting in severe visual impairment and blindness...
November 8, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28981920/-analysis-of-tgfbi-gene-mutation-in-a-chinese-family-affected-with-reis-bucklers-corneal-dystrophy
#2
Tao Guan, Lingjie Zhang, Dejian Xu, Haijian Wu, Libin Zheng
OBJECTIVE: To analyze the clinical features and TGFBI gene mutation in a Chinese family affected with Reis-Bucklers corneal dystrophy. METHODS: Genomic DNA was extracted from 53 members including 9 patients from the family. The 17 exons and splice region of introns of the TGFBI gene were amplified by PCR and directly sequenced. All family members were subjected to ophthalmologic examination. RESULTS: A heterozygous mutation (R124L) was found in exon 4 of the TGFBI gene among all patients from the family...
October 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28952225/vhl-tgfbi-signaling-is-involved-in-the-synergy-between-5-aza-2-deoxycytidine-and-paclitaxel-against-human-renal-cell-carcinoma
#3
Donghao Shang, Shaozhong Xian, Tiandong Han, Xuanhao Li, Yuting Liu
PURPOSE: To analyse the role of von Hippel-Lindau (VHL) and transforming growth factor β-induced (TGFBI) in synergistic mechanisms of 5-aza-2'-deoxycytidine (DAC) and paclitaxel (PTX) against renal cell carcinoma (RCC). METHODS: To elucidate the role in the synergy between DAC and PTX against RCC cells, TGFBI expression was regulated using siRNA technology and an expression vector containing the full-length cDNA for TGFBI was also transfected into RCC cells. The proliferation of RCC cells was evaluated using the WST-1 assay and TGFBI expression was detected by real-time PCR (RT-PCR), and Western blot...
July 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28940965/epirubicin-suppresses-proliferative-and-metastatic-potential-by-down-regulating-tgfbi-expression-in-urothelial-carcinoma
#4
Donghao Shang, Bo Song, Yuting Liu
Transforming growth factor-β-induced (TGFΒI) is considered to be a vital gene in several carcinomas. In this study we determined the effect of TGFBI on the proliferative and metastatic potential of human urothelial carcinoma (UC) cells as well as its mRNA and protein expression, which were detected by RT-PCR and Western blot, respectively. UC cell proliferation was analyzed by WST-1 assay and Hoechst 33258 staining. The effect of TGFBI on UC cell metastasis was analyzed using adhesion, migration, and invasion assays...
September 22, 2017: Cancer Science
https://www.readbyqxmd.com/read/28811384/loss-of-spdef-and-gain-of-tgfbi-activity-after-androgen-deprivation-therapy-promote-emt-and-bone-metastasis-of-prostate-cancer
#5
Wei-Yu Chen, Yuan-Chin Tsai, Hsiu-Lien Yeh, Florent Suau, Kuo-Ching Jiang, Ai-Ning Shao, Jiaoti Huang, Yen-Nien Liu
Androgen deprivation therapy (ADT) targeting the androgen receptor (AR) is a standard therapeutic regimen for treating prostate cancer. However, most tumors progress to metastatic castration-resistant prostate cancer after ADT. We identified the type 1, 2, and 4 collagen-binding protein transforming growth factor-β (TGFβ)-induced protein (TGFBI) as an important factor in the epithelial-to-mesenchymal transition (EMT) and malignant progression of prostate cancer. In prostate cancer cell lines, AR signaling stimulated the activity of the transcription factor SPDEF, which repressed the expression of TGFBI ADT, AR antagonism, or overexpression of TGFBI inhibited the activity of SPDEF and enhanced the proliferation rates of prostate cancer cells...
August 15, 2017: Science Signaling
https://www.readbyqxmd.com/read/28808331/pro-and-anti-inflammatory-responses-of-peripheral-blood-mononuclear-cells-induced-by-staphylococcus-aureus-and-pseudomonas-aeruginosa-phages
#6
Jonas D Van Belleghem, Frédéric Clement, Maya Merabishvili, Rob Lavigne, Mario Vaneechoutte
The ability of bacteriophages to kill bacteria is well known, as is their potential use as alternatives to antibiotics. As such, bacteriophages reach high doses locally through infection of their bacterial host in the human body. In this study we assessed the gene expression profile of peripheral blood monocytes from six donors for twelve immunity-related genes (i.e. CD14, CXCL1, CXCL5, IL1A, IL1B, IL1RN, IL6, IL10, LYZ, SOCS3, TGFBI and TNFA) induced by Staphylococcus aureus phage ISP and four Pseudomonas aeruginosa phages (i...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28750100/tgfbi-functions-similar-to-periostin-but-is-uniquely-dispensable-during-cardiac-injury
#7
Jennifer A Schwanekamp, Angela Lorts, Michelle A Sargent, Allen J York, Kelly M Grimes, Demetria M Fischesser, Jason J Gokey, Jeffrey A Whitsett, Simon J Conway, Jeffery D Molkentin
Extracellular matrix production and accumulation stabilize the heart under normal conditions as well as form a protective scar after myocardial infarction injury, although excessive extracellular matrix accumulation with long-standing heart disease is pathological. In the current study we investigate the role of the matricellular protein, transforming growth factor beta-induced (TGFBI), which is induced in various forms of heart disease. Additionally, we sought to understand whether TGFBI is functionally redundant to its closely related family member periostin, which is also induced in the diseased heart...
2017: PloS One
https://www.readbyqxmd.com/read/28689406/proteomic-analysis-of-amyloid-corneal-aggregates-from-tgfbi-h626r-lattice-corneal-dystrophy-patient-implicates-serine-protease-htra1-in-mutation-specific-pathogenesis-of-tgfbip
#8
Anandalakshmi Venkatraman, Bamaprasad Dutta, Elavazhagan Murugan, Hao Piliang, Rajamani Lakshminaryanan, Anita Chan Sook Yee, Konstantin V Pervushin, Siu Kwan Sze, Jodhbir S Mehta
TGFBI-associated corneal dystrophies are inherited disorders caused by TGFBI gene variants that promote deposition of mutant protein (TGFBIp) as insoluble aggregates in the cornea. Depending on the type and position of amino acid substitution, the aggregates may be amyloid fibrillar, amorphous globular or both, but the molecular mechanisms that drive these different patterns of aggregation are not fully understood. In the current study, we report the protein composition of amyloid corneal aggregates from lattice corneal dystrophy patients of Asian origin with H626R and R124C mutation and compared it with healthy corneal tissues via LC-MS/MS...
July 20, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28611294/microarray-based-detection-and-expression-analysis-of-new-genes-associated-with-drug-resistance-in-ovarian-cancer-cell-lines
#9
Radosław Januchowski, Karolina Sterzyńska, Piotr Zawierucha, Marcin Ruciński, Monika Świerczewska, Małgorzata Partyka, Katarzyna Bednarek-Rajewska, Maciej Brązert, Michał Nowicki, Maciej Zabel, Andrzej Klejewski
PURPOSE: The present study is to discover a new genes associated with drug resistance development in ovarian cancer. METHODS: We used microarray analysis to determine alterations in the level of expression of genes in cisplatin- (CisPt), doxorubicin- (Dox), topotecan- (Top), and paclitaxel- (Pac) resistant variants of W1 and A2780 ovarian cancer cell lines. Immunohistochemistry assay was used to determine protein expression in ovarian cancer patients. RESULTS: We observed alterations in the expression of 22 genes that were common to all three cell lines that were resistant to the same cytostatic drug...
July 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28567551/mutation-analysis-of-tgfbi-and-krt12-in-a-case-of-concomitant-keratoconus-and-granular-corneal-dystrophy
#10
Xianli Du, Peng Chen, Dapeng Sun
PURPOSE: This study is to summarize the concurrent keratoconus (KC) and granular corneal dystrophy (GCD) phenotype and identify the underlying genetic cause in a 23-year-old male patient. METHODS: A detailed family history and clinical data from the patient and his parents were collected by ophthalmologic examination. The candidate genes were captured and sequenced by targeted next-generation sequencing, and the results were confirmed by Sanger sequencing. RESULTS: The proband was clinically diagnosed as a case of concurrent KC and GCD, which is a very rare presentation...
May 31, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28534376/vhl-tgfbi-signaling-is-involved-in-the-synergy-between-5-aza-2-deoxycytidine-and-paclitaxel-against-human-renal-cell-carcinoma
#11
Donghao Shang, Shaozhong Xian, Tiandong Han, Xuanhao Li, Yuting Liu
PURPOSE: To analyse the role of von Hippel-Lindau (VHL) and transforming growth factor β-induced (TGFBI) in synergistic mechanisms of 5-aza-2'-deoxycytidine (DAC) and paclitaxel (PTX) against renal cell carcinoma (RCC). METHODS: To elucidate the role in the synergy between DAC and PTX against RCC cells, TGFBI expression was regulated using siRNA technology and an expression vector containing the full-length cDNA for TGFBI was also transfected into RCC cells. The proliferation of RCC cells was evaluated using the WST-1 assay and TGFBI expression was detected by real-time PCR (RT-PCR), and Western blot...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28393315/identification-and-characterization-of-biomarkers-and-their-functions-for-lapatinib-resistant-breast-cancer
#12
Liang Zhang, Yi Huang, Wenlei Zhuo, Yi Zhu, Bo Zhu, Zhengtang Chen
Lapatinib, a novel oral dual tyrosine kinase inhibitor blocking HER1 and HER2 pathways, has presented beneficial effects on breast cancer with positive HER2. However, its efficacy is largely limited by the occurrence of acquired drug resistance. In this study, we aimed to explore the underlying molecular mechanisms of Lapatinib resistance using bioinformatics strategies. The gene expression profile of SKBR3-R (acquired Lapatinib-resistant) and SKBR3 (Lapatinib-sensitive) cell line was downloaded from gene expression omnibus database...
May 2017: Medical Oncology
https://www.readbyqxmd.com/read/28393022/two-mutations-in-the-transforming-growth-factor-beta-induced-gene-associated-with-familial-lattice-corneal-dystrophy
#13
Wen-Ping Cao, Hai-Gang Yuan, Ping Liu, Xue Li, Qi Hu
AIM: To report a phenotypic variant pedigree of lattice corneal dystrophy (LCD) associated with two mutations, R124C and A546D, in the transforming growth factor beta-induced gene (TGFBI). METHODS: A detailed ocular examination was taken for all participants of a LCD family. Peripheral blood leukocytes from each participant were extracted to obtain the DNA. Polymerase chain reaction (PCR) of all seventeen exons of TGFBI gene was performed. The products were sequenced and analyzed...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28381645/effect-of-position-specific-single-point-mutations-and-biophysical-characterization-of-amyloidogenic-peptide-fragments-identified-from-lattice-corneal-dystrophy-patients
#14
Venkatraman Anandalakshmi, Elavazhagan Murugan, Eunice Goh Tze Leng, Lim Wei Ting, Shyam S Chaurasia, Toshio Yamazaki, Toshio Nagashima, Benjamin Lawrence George, Gary Swee Lim Peh, Konstantin Pervushin, Rajamani Lakshminarayanan, Jodhbir S Mehta
Corneal stromal dystrophies are a group of genetic disorders that may be caused by mutations in the transforming growth factor β-induced (TGFBI) gene which results in the aggregation and deposition of mutant proteins in various layers of the cornea. The type of amino acid substitution dictates the age of onset, anatomical location of the deposits, morphological features of deposits (amyloid, amorphous powder or a mixture of both forms) and the severity of disease presentation. It has been suggested that abnormal turnover and aberrant proteolytic processing of the mutant proteins result in the accumulation of insoluble protein deposits...
May 9, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28377594/tgfbi-gene-mutation-analysis-of-clinically-diagnosed-granular-corneal-dystrophy-patients-prior-to-ptk-a-pilot-study-from-eastern-china
#15
Li Zeng, Jing Zhao, Yingjun Chen, Feng Zhao, Meiyan Li, Connie Chao-Shern, Tara Moore, John Marshall, Xingtao Zhou
This study investigated the TGFBI gene mutation types in outpatients clinically diagnosed with granular corneal dystrophy (GCD) prior to phototherapeutic keratectomy (PTK), also calculated the mutation rate of subjects with normal corneas, but positive family history. Clinical GCD outpatients and consanguineous family members were enrolled in this study. Among total 42 subjects: 24 patients from 23 unrelated families had typical signs of GCD on corneas; 5 patients from 5 unrelated families had atypical signs; 13 subjects from 11 unrelated families had no corneal signs but positive family history...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28358433/tgfbi-gene-mutations-analysis-in-chinese-families-with-corneal-dystrophies
#16
Xiaojuan Wang, Ming Ying, Changbo Fu, Yuchuan Wang, Ningdong Li
The aim of the present study was to examine the clinical features of three Chinese families with autosomal dominant corneal dystrophy (CD) and examine transforming growth factor‑β‑induced (TGFBI) gene mutations in these families. The TGFBI gene mutations were detected using direct sequencing of the whole coding regions and exon-intron boundaries of the TGFBI gene in the affected members from the three families with CD. The phenotypes of all affected individuals in the three families were observed via slit lamp examination...
May 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28229027/risk-analysis-of-colorectal-cancer-incidence-by-gene-expression-analysis
#17
Wei-Chuan Shangkuan, Hung-Che Lin, Yu-Tien Chang, Chen-En Jian, Hueng-Chuen Fan, Kang-Hua Chen, Ya-Fang Liu, Huan-Ming Hsu, Hsiu-Ling Chou, Chung-Tay Yao, Chi-Ming Chu, Sui-Lung Su, Chi-Wen Chang
BACKGROUND: Colorectal cancer (CRC) is one of the leading cancers worldwide. Several studies have performed microarray data analyses for cancer classification and prognostic analyses. Microarray assays also enable the identification of gene signatures for molecular characterization and treatment prediction. OBJECTIVE: Microarray gene expression data from the online Gene Expression Omnibus (GEO) database were used to to distinguish colorectal cancer from normal colon tissue samples...
2017: PeerJ
https://www.readbyqxmd.com/read/28178326/quantitative-liver-proteomics-identifies-fgf19-targets-that-couple-metabolism-and-proliferation
#18
Vittoria Massafra, Alexandra Milona, Harmjan R Vos, Boudewijn M T Burgering, Saskia W C van Mil
Fibroblast growth factor 19 (FGF19) is a gut-derived peptide hormone that is produced following activation of Farnesoid X Receptor (FXR). FGF19 is secreted and signals to the liver, where it contributes to the homeostasis of bile acid (BA), lipid and carbohydrate metabolism. FGF19 is a promising therapeutic target for the metabolic syndrome and cholestatic diseases, but enthusiasm for its use has been tempered by FGF19-mediated induction of proliferation and hepatocellular carcinoma. To inform future rational design of FGF19-variants, we have conducted temporal quantitative proteomic and gene expression analyses to identify FGF19-targets related to metabolism and proliferation...
2017: PloS One
https://www.readbyqxmd.com/read/28149671/macrophage-tgf-%C3%AE-1-and-the-proapoptotic-extracellular-matrix-protein-bigh3-induce-renal-cell-apoptosis-in-prediabetic-and-diabetic-conditions
#19
Robert J Moritz, Richard G LeBaron, Clyde F Phelix, Rajesha Rupaimoole, Hong Seok Kim, Andrew Tsin, Reto Asmis
Metabolically stressed kidney is in part characterized by infiltrating macrophages and macrophage-derived TGF-β1 that promote the synthesis of various ECM molecules. TGF-β1 strongly enhances the expression of the gene TGFBI that encodes a cell-adhesion class, proapoptotic ECM protein called BIGH3. We hypothesized that in a diabetic environment a relationship between infiltrating macrophages, macrophage-derived TGF-β1, and BIGH3 protein promotes renal cell death. To investigate this hypothesis, we used our mouse model of diabetic complications...
July 2016: International Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28106769/tgf-%C3%AE-signaling-in-gastrointestinal-cancers-progress-in-basic-and-clinical-research
#20
REVIEW
Takehiko Yokobori, Masahiko Nishiyama
Transforming growth factor (TGF)-β superfamily proteins have many important biological functions, including regulation of tissue differentiation, cell proliferation, and migration in both normal and cancer cells. Many studies have reported that TGF-β signaling is associated with disease progression and therapeutic resistance in several cancers. Similarly, TGF-β-induced protein (TGFBI)-a downstream component of the TGF-β signaling pathway-has been shown to promote and/or inhibit cancer. Here, we review the state of basic and clinical research on the roles of TGF-β and TGFBI in gastrointestinal cancers...
January 18, 2017: Journal of Clinical Medicine
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