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https://www.readbyqxmd.com/read/28623314/comparative-transcriptomic-and-proteomic-analyses-provide-insights-into-the-key-genes-involved-in-high-altitude-adaptation-in-the-tibetan-pig
#1
Bo Zhang, Yangzom Chamba, Peng Shang, Zhixiu Wang, Jun Ma, Liyuang Wang, Hao Zhang
Tibetan pigs that inhabit the Tibetan Plateau exhibit striking phenotypic and physiological differences from lowland pigs, and have adapted well to extreme conditions. However, the mechanisms involved in regulating gene expression at high altitude in these animals are not fully understood. In this study, we obtained transcriptomic and proteomic data from the heart tissues of Tibetan and Yorkshire pigs raised in the highlands (TH and YH) and lowlands (TL and YL) via RNA-seq and iTRAQ (isobaric tags for relative and absolute quantitation) analyses, respectively...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28606533/study-of-a-new-biodegradable-hernia-patch-to-repair-abdominal-wall-defect-in-rats
#2
Jing Qiao, Zhiwen Jiang, Yan Yang, Jinhua Chi, Xuesong Qiao, Baoqin Han, Wanshun Liu
A novel biodegradable chitin hernia patch was prepared by acetylation of chitosan fabric in our study. Physicochemical properties, cell compatibility and biodegradability of the chitin patch were quantified. Histopathological study of the functional experiment showed that this newly designed hernia patch promoted collagen deposition and neovascularization by significantly promoting the secretion of FGF1 and TGF-β1 in the early postoperative (P<0.01). Chitin patch caused less inflammation by inhibiting excessive expression of IL-6 and TNF-α when compared to the polypropylene mesh (P<0...
September 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28598150/high-yield-site-specific-conjugation-of-fibroblast-growth-factor-1-with-monomethylauristatin-e-via-cysteine-flanked-by-basic-residues
#3
Michal Lobocki, Malgorzata Zakrzewska, Anna Szlachcic, Mateusz Adam Krzyscik, Aleksandra Sokolowska-Wedzina, Jacek Otlewski
Site-specific conjugation is a leading trend in the development of protein conjugates, including antibody-drug conjugates (ADCs), suitable for targeted cancer therapy. Here, we present a very efficient strategy for specific attachment of a cytotoxic drug to fibroblast growth factor 1 (FGF1), a natural ligand of FGF receptors (FGFRs), which are overexpressed in several types of lung, breast and gastric cancers and are therefore an attractive molecular target. Recently we showed that FGF1 fused to monomethylauristatin E (vcMMAE) was highly cytotoxic to cells presenting FGFRs on their surface and could be used as a targeting agent alternative to an antibody...
June 9, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28511329/-therapeutic-effect-of-combined-use-of-fgf1-loaded-nano-liposomes-and-ultrasound-targeted-microbubble-destruction-technique-on-treating-rats-with-experimental-diabetic-cardiomyopathy
#4
M Zhang, Y Z Zhao, W C Ma, J L Xu, J L Wang, M J Chen, L Yu, Y N Chen
Objective: The therapeutic effect of acid fibroblast growth factor 1(FGF1) on rats with diabetic cardiomyopathy (DCM) was evaluated by using nano-liposomes combined with ultrasound-targeted microbubble destruction technique (UTMD). Methods: The FGF1-loaded nano-liposomes were prepared by water-in-water emulsion method combined with lyophilization technique.TypeⅠdiabetes model was induced by intraperitoneal injection of streptozotocin (STZ, 70 mg/kg) in 60 male SD rats.Sixteen weeks later, diabetic rats were randomly divided into: placebo group (saline treatment), FGF1 group, FGF1-loaded nano-liposomes group, and FGF1-loaded nano-liposomes plus UTMD group (n=15 each)...
May 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28510269/kallikrein-related-peptidase-4-induces-cancer-associated-fibroblast-features-in-prostate-derived-stromal-cells
#5
T Kryza, L M Silva, N Bock, R A Fuhrman-Luck, C R Stephens, J Gao, H Samaratunga, M G Lawrence, J D Hooper, Y Dong, G P Risbridger, J A Clements
The reciprocal communication between cancer cells and their microenvironment is critical in cancer progression. Although involvement of cancer-associated fibroblasts (CAF) in cancer progression is long established, the molecular mechanisms leading to differentiation of CAFs from normal fibroblasts are poorly understood. Here, we report that kallikrein-related peptidase-4 (KLK4) promotes CAF differentiation. KLK4 is highly expressed in prostate epithelial cells of premalignant (prostatic intra-epithelial neoplasia) and malignant lesions compared to normal prostate epithelia, especially at the peri-stromal interface...
May 16, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28502041/glucose-can-epigenetically-alter-the-gene-expression-of-neurotrophic-factors-in-the-murine-brain-cells
#6
Md Shamim Hossain, Yutaka Oomura, Toshihiko Katafuchi
Glucose is believed to improve the memory in both human and mice, but the detailed insights were mostly elusive. In this study, we focused on two major neurotrophic factors, brain-derived neurotrophic factor (BDNF) and fibroblast growth factor 1 (FGF1), which are believed to be associated with the memory enhancement and assessed their expressional regulation among the murine neuronal and glial cells. Our findings showed that the glucose administration increased phosphorylated Akt, phosphorylated CREB, exon 1- and exon 4-specific BDNF transcripts, and FGF1 transcripts that are associated with the epigenetic changes expected to open the chromatin and a reduction in histone deacetylase 2 (HDAC2) in neurons and astrocytes of the murine hippocampus...
May 13, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28469731/integrated-data-analysis-reveals-potential-drivers-and-pathways-disrupted-by-dna-methylation-in-papillary-thyroid-carcinomas
#7
Caroline Moraes Beltrami, Mariana Bisarro Dos Reis, Mateus Camargo Barros-Filho, Fabio Albuquerque Marchi, Hellen Kuasne, Clóvis Antônio Lopes Pinto, Srikant Ambatipudi, Zdenko Herceg, Luiz Paulo Kowalski, Silvia Regina Rogatto
BACKGROUND: Papillary thyroid carcinoma (PTC) is a common endocrine neoplasm with a recent increase in incidence in many countries. Although PTC has been explored by gene expression and DNA methylation studies, the regulatory mechanisms of the methylation on the gene expression was poorly clarified. In this study, DNA methylation profile (Illumina HumanMethylation 450K) of 41 PTC paired with non-neoplastic adjacent tissues (NT) was carried out to identify and contribute to the elucidation of the role of novel genic and intergenic regions beyond those described in the promoter and CpG islands (CGI)...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28454334/taxotere-induced-elevated-expression-of-il8-in-carcinoma-associated-fibroblasts-of-breast-invasive-ductal-cancer
#8
Yingliang Li, Guohua Rong, Hua Kang
Breast cancer is the most common malignant tumor in women worldwide, and accounts for an estimated 29% of new cases and 15% of cancer-associated mortalities each year. Invasive ductal carcinoma represents 70-80% of all breast cancer cases, which are responsible for the majority of breast cancer fatalities. Though great progress has been made in understanding the tumorigenesis and development of breast cancer, problems surrounding treatment persist. It was previously reported that carcinoma-associated fibroblasts (CAFs) may be closely associated with chemotherapy resistance...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454080/relevance-of-ccl3-ccr5-axis-in-oral-carcinogenesis
#9
Janine Mayra da Silva, Tálita Pollyanna Moreira Dos Santos, Lays Martin Sobral, Celso Martins Queiroz-Junior, Milene Alvarenga Rachid, Amanda E I Proudfoot, Gustavo Pompermaier Garlet, Aline Carvalho Batista, Mauro Martins Teixeira, Andréia Machado Leopoldino, Remo Castro Russo, Tarcília Aparecida Silva
The chemokine CCL3 is a chemotactic cytokine crucial for inflammatory cell recruitment in homeostatic and pathological conditions. CCL3 might stimulate cancer progression by promoting leukocyte accumulation, angiogenesis and tumour growth. The expression of CCL3 and its receptors CCR1 and CCR5 was demonstrated in oral squamous cell carcinoma (OSCC), but their role was not defined. Here, the functions of CCL3 were assessed using a model of chemically induced tongue carcinogenesis with 4-nitroquinoline-1-oxide (4NQO)...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28451950/the-role-and-potential-therapeutic-implications-of-the-fibroblast-growth-factors-in-energy-balance-and-type-2-diabetes
#10
REVIEW
Maitane Izaguirre, María J Gil, Ignacio Monreal, Fabrizio Montecucco, Gema Frühbeck, Victoria Catalán
PURPOSE OF REVIEW: Obesity and its associated metabolic diseases have reached epidemic proportions worldwide, reducing life expectancy and quality of life. Several drugs have been tested to treat these diseases but many of them have damaging side effects. Consequently, there is an urgent need to develop more effective therapies. Recently, endocrine fibroblast growth factors (FGFs) have become attractive targets in the treatment of metabolic diseases. This review summarizes their most important functions as well as FGF-based therapies for the treatment of obesity and type 2 diabetes (T2D)...
June 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28432469/renal-findings-in-patients-with-mulibrey-nanism
#11
Johanna Sivunen, Susann Karlberg, Jouko Lohi, Niklas Karlberg, Marita Lipsanen-Nyman, Hannu Jalanko
BACKGROUND: Mulibrey nanism (MUL) is a rare inherited disease caused by genetic defects affecting peroxisomal TRIM37 protein. MUL affects multiple organs, leading to growth retardation and early onset type 2 diabetes. We aimed to characterize the structure and function of kidneys and the urinary tract in a large cohort of Finnish MUL patients. METHODS: Ultrasound, magnetic resonance imaging (MRI), and autopsy findings of the kidneys and urinary tract from 101 MUL patients were retrospectively analyzed...
April 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28320530/single-cell-rna-sequence-analysis-of-mouse-glomerular-mesangial-cells-uncovers-mesangial-cell-essential-genes
#12
Yuqiu Lu, Yuting Ye, Qianqian Yang, Shaolin Shi
Mesangial cells are essential for the structure and function of glomeruli, but the mechanisms underlying these roles are not well understood. Here, we performed a single-cell RNA-sequence (RNA-seq) analysis of mouse mesangial cells using the Fluidigm C1 platform. We found that gene expression in individual mesangial cells was tremendously heterogeneous, with mean correlation coefficients of 0.20, and most mesangial genes were actually expressed in only a portion of mesangial cells and are therefore presumably dispensable...
March 17, 2017: Kidney International
https://www.readbyqxmd.com/read/28303556/serum-fibroblast-growth-factor-1-is-associated-with-the-decreased-risk-of-obesity-in-human
#13
Jinzhou Zhu, Yuming Wang, Kefu Zhu, Jianguo Gao, Xingyong Wan, Xunlei Pang, Sujuan Fei
As a transducer of PPARγ signaling, recent evidence supports that fibroblast growth factor 1 (FGF1) mediates adipose tissue remodeling and insulin sensitivity. This study is to assess the role of serum FGF1 in obesity. A hospital-based case-control study of 154 subjects was conducted. Serum level of FGF1 was measured by enzyme-linked immunosorbent assay. The serum level of FGF1 in the lean (119.0 [103.1-146.1] pg/ml) was higher than it in the subjects with overweight/obesity (111.9 [80.3-127.4] pg/ml, P=0...
March 16, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28302677/the-integrin-binding-defective-fgf2-mutants-potently-suppress-fgf2-signalling-and-angiogenesis
#14
Seiji Mori, Nobuaki Hatori, Naomasa Kawaguchi, Yoshinosuke Hamada, Tsung-Chieh Shih, Chun-Yi Wu, Kit S Lam, Nariaki Matsuura, Hirofumi Yamamoto, Yoko K Takada, Yoshikazu Takada
We recently found that integrin αvβ3 binds to fibroblast growth factor (FGF)-αvβ31 (FGF1), and that the integrin-binding defective FGF1 mutant (Arg-50 to glutamic acid, R50E) is defective in signalling and antagonistic to FGF1 signalling. R50E suppressed angiogenesis and tumour growth, suggesting that R50E has potential as a therapeutic. However, FGF1 is unstable, and we had to express R50E in cancer cells for xenograft study, since injected R50E may rapidly disappear from circulation. We studied if we can develop antagonist of more stable FGF2...
April 28, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28300755/vitamin-d-impacts-the-expression-of-runx2-target-genes-and-modulates-inflammation-oxidative-stress-and-membrane-vesicle-biogenesis-gene-networks-in-143b-osteosarcoma-cells
#15
Rama Garimella, Priyanka Tadikonda, Ossama Tawfik, Sumedha Gunewardena, Peter Rowe, Peter Van Veldhuizen
Osteosarcoma (OS) is an aggressive malignancy of bone affecting children, adolescents and young adults. Understanding vitamin D metabolism and vitamin D regulated genes in OS is an important aspect of vitamin D/cancer paradigm, and in evaluating vitamin D as adjuvant therapy for human OS. Vitamin D treatment of 143B OS cells induced significant and novel changes in the expression of genes that regulate: (a) inflammation and immunity; (b) formation of reactive oxygen species, metabolism of cyclic nucleotides, sterols, vitamins and mineral (calcium), quantity of gap junctions and skeletogenesis; (c) bone mineral density; and (d) cell viability of skeletal cells, aggregation of bone cancer cells and exocytosis of secretory vesicles...
March 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28298517/phosphoproteomics-of-fibroblast-growth-factor-1-fgf1-signaling-in-chondrocytes-identifying-the-signature-of-inhibitory-response
#16
Jessica R Chapman, Olga Katsara, Rachel Ruoff, David Morgenstern, Shruti Nayak, Claudio Basilico, Beatrix Ueberheide, Victoria Kolupaeva
Fibroblast growth factor (FGF) signaling is vital for many biological processes, beginning with development. The importance of FGF signaling for skeleton formation was first discovered by the analysis of genetic FGFR mutations which cause several bone morphogenetic disorders, including achondroplasia, the most common form of human dwarfism. The formation of the long bones is mediated through proliferation and differentiation of highly specialized cells - chondrocytes.Chondrocytes respond to FGF with growth inhibition, a unique response which differs from the proliferative response of the majority of cell types; however, its molecular determinants are still unclear...
June 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28281780/fibroblast-growth-factor-1-transfected-adipose-derived-mesenchymal-stem-cells-promote-angiogenic-proliferation
#17
Seyed Javad Hoseini, Hamed Ghazavi, Fatemeh Forouzanfar, Baratali Mashkani, Ahmad Ghorbani, Elahe Mahdipour, Faezeh Ghasemi, Hamid Reza Sadeghnia, Majid Ghayour-Mobarhan
The aim of this study was to investigate, for the first time, the effects of using adipose-derived mesenchymal stem cells (AD-MSCs) transfected with an episomal plasmid encoding fibroblast growth factor 1 (FGF1) (AD-MSCs(FGF1)), in providing the microenvironment required for angiogenic proliferation. The isolated rat AD-MSCs were positive for mesenchymal (CD29 and CD90) and negative for hematopoietic (CD34 and CD45) surface markers. Adipogenic and osteogenic differentiation of the AD-MSCs also occurred in the proper culture media...
May 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28197342/the-function-of-fgfr1-signalling-in-the-spinal-cord-therapeutic-approaches-using-fgfr1-ligands-after-spinal-cord-injury
#18
REVIEW
Barbara Haenzi, Lawrence D F Moon
Extensive research is ongoing that concentrates on finding therapies to enhance CNS regeneration after spinal cord injury (SCI) and to cure paralysis. This review sheds light on the role of the FGFR pathway in the injured spinal cord and discusses various therapies that use FGFR activating ligands to promote regeneration after SCI. We discuss studies that use peripheral nerve grafts or Schwann cell grafts in combination with FGF1 or FGF2 supplementation. Most of these studies show evidence that these therapies successfully enhance axon regeneration into the graft...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28125843/pituitary-adenylate-cyclase-activating-peptide-pacap-a-novel-secretagogue-regulates-secreted-morphogens-in-newborn-rat-retina
#19
Monika Lakk, Viktoria Denes, Karmen Kovacs, Orsolya Hideg, Bence F Szabo, Robert Gabriel
Purpose: Pituitary adenylate cyclase-activating peptide (PACAP)1-38 has been reported to be responsible for regulation of a disparate array of developmental processes in the central nervous system, and its antiapoptotic effect has been revealed in numerous models, pointing to its relevance in the etiology of neurodegenerative disorders. However, its function in retinal development remains unclear. Here, we aimed to point out that versatility can be achieved through interaction with other regulators, in which PACAP can act indirectly on the retinal microenvironment...
January 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28117910/oligodendroglial-fibroblast-growth-factor-receptor-1-gene-targeting-protects-mice-from-experimental-autoimmune-encephalomyelitis-through-erk-akt-phosphorylation
#20
Ranjithkumar Rajendran, Mario Giraldo Velásquez, Christine Stadelmann, Martin Berghoff
Fibroblast growth factors (FGFs) exert diverse biological effects by binding and activation of specific fibroblast growth factor receptors (FGFRs). FGFs and FGFRs have been implicated in demyelinating pathologies including multiple sclerosis. In vitro activation of the FGF2/FGFR1 pathway results in downregulation of myelin proteins. FGF1, 2 and 9 have been shown to be involved in the pathology of multiple sclerosis. Recent studies on the function of oligodendroglial FGFR1 in a model of toxic demyelination showed that deletion of FGFR1 led to increased remyelination and preservation of axonal density and an increased number of mature oligodendrocytes...
January 24, 2017: Brain Pathology
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