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https://www.readbyqxmd.com/read/28212122/a-research-of-soft-tissue-lipoma-genesis-factor-with-immunohistochemical-analysis
#1
Jun Beom Lee, Hwan Jun Choi, Eun Taik Son, Jun Hyuk Kim
INTRODUCTION: Lipoma is the most familiar soft-tissue tumor. But the etiology of lipoma remains imprecise. Sex steroid hormones such as estrogen have effects on muscle and adipose tissue development. There is now significant evidence that sex steroids are involved in the site specificities of adipose tissue metabolism. This association of adipose tissue metabolism between sex steroid hormones suggests a possible role for sex steroids in the pathogenesis of lipoma. METHODS: To investigate this concept, the authors evaluated the expression of the estrogen receptor (ER) and the progesterone receptor (PR) in soft tissue lipoma in this study...
February 16, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28210795/observational-comparisons-of-intestinal-microbiota-characterizations-immune-enzyme-activities-and-muscle-amino-acid-compositions-of-loach-in-paddy-fields-and-ponds-in-sichuan-province
#2
Song Yang, Yuanliang Duan, Jie Zhang, Jian Zhou, Ya Liu, Jun Du, Liulan Zhao, Zongjun Du, Shuaishuai Han
A balanced intestinal microbial ecosystem is crucial for the growth and health of animals because it can influence the digestion and absorption of nutrients in the intestine. Different culture conditions may change the ecology of microbial in intestine and thus affect the overall growth performance of an animal. In this study, we compared intestinal morphologies, microbiota characterizations, immune enzyme activities, and muscle amino acid compositions of loach cultured in paddy fields and ponds. The fish were fed with the same diets from May 5 to November 5 (2015) in three paddy or ponds...
February 16, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28209379/endocultivation-continuous-application-of-rhbmp-2-via-mini-osmotic-pumps-to-induce-bone-formation-at-extraskeletal-sites
#3
B E Beck-Broichsitter, S T Becker, H Seitz, J Wiltfang, P H Warnke
The continuous presence of recombinant human bone morphogenetic protein 2 (rhBMP-2) inside a scaffold may be crucial to the outcome in bone tissue engineering. This study investigated whether the release of the growth factor rhBMP-2 via different continuous application schemes influences histomorphological aspects of the hard and soft tissues induced. Three-dimensionally printed hydroxyapatite scaffolds were implanted into one latissimus dorsi muscle of 42 female Lewis rats. Simultaneously implanted mini-osmotic pumps were used to provide a continuous application of rhBMP-2 over 1, 2, or 4 weeks (total dose 200μg)...
February 10, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28209294/sulfated-glycosaminoglycans-and-non-classically-secreted-proteins-basic-fgf-and-epimorphin-coordinately-regulate-tgf-%C3%AE-induced-cell-behaviors-of-human-scar-dermal-fibroblasts
#4
Tomoatsu Horigome, Shinya Takumi, Kota Shirai, Takumi Kido, Natsumi Hagiwara-Chatani, Ayumi Nakashima, Naoki Adachi, Hiroko Yano, Yohei Hirai
BACKGROUND: Upon skin injuries, dermal fibroblasts actively produce transforming growth factor-β (TGF-β), which leads to the formation of α-smooth muscle actin (αSMA)-positive granulation tissues. The hyperplasia or incomplete regression of these tissues subsequently causes scar formation in the skin, where sulfated glycosaminoglycans (GAGs), side chains of unique proteoglycans, are supposed to play important roles. OBJECTIVE: The aim of this study is to clarify the effects of sulfated GAGs on dermal cell behaviors triggered by the TGF-β signaling, along with its possible regulators basic fibroblast growth factor (bFGF) and cell surface epimorphin...
February 3, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28209124/rna-seq-and-metabolomic-analyses-of-akt1-mediated-muscle-growth-reveals-regulation-of-regenerative-pathways-and-changes-in-the-muscle-secretome
#5
Chia-Ling Wu, Yoshinori Satomi, Kenneth Walsh
BACKGROUND: Skeletal muscle is a major regulator of systemic metabolism as it serves as the major site for glucose disposal and the main reservoir for amino acids. With aging, cachexia, starvation, and myositis, there is a preferential loss of fast glycolytic muscle fibers. We previously reported a mouse model in which a constitutively-active Akt transgene is induced to express in a subset of muscle groups leading to the hypertrophy of type IIb myofibers with an accompanying increase in strength...
February 16, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28209092/fibroblast-growth-factor-1-fgf-1-promotes-adipogenesis-by-downregulation-of-carboxypeptidase-a4-cpa4-a-negative-regulator-of-adipogenesis-implicated-in-the-modulation-of-local-and-systemic-insulin-sensitivity
#6
Jingjing He, Daniel L Chen, Dorit Samocha-Bonet, Kevin R Gillinder, Johanna L Barclay, Graham W Magor, Andrew C Perkins, Jerry R Greenfield, Gongshe Yang, Jonathan P Whitehead
Fibroblast growth factor-1 (FGF-1) promotes differentiation of human preadipocytes into mature adipocytes via modulation of a BMP and Activin Membrane-Bound Inhibitor (BAMBI)/Peroxisome proliferator-activated receptor (PPARγ)-dependent network. Here, we combined transcriptomic and functional investigations to identify novel downstream effectors aligned with complementary analyses of gene expression in human adipose tissue to explore relationships with insulin sensitivity. RNA-Seq and qRT-PCR analysis revealed significant down-regulation of carboxypeptidase A4 (CPA4) following FGF-1 treatment or induction of differentiation of human preadipocytes in a BAMBI/PPARγ-independent manner...
December 2016: Growth Factors
https://www.readbyqxmd.com/read/28209036/-primary-culture-and-functional-identification-of-distal-pulmonary-artery-smooth-muscle-cells-in-mice
#7
M C Li, Y Q Chen, C T Zhang, Q Jiang, W J Lu, J Wang
Objective: To establish a method of isolation and primary culture of mice distal pulmonary artery smooth muscle cells (PASMCs) and identify the functional properties. Methods: PASMCs were harvested from the distal pulmonary artery (PA) tissue of mice by enzymatic digestion of collagenaseⅠand papain; and the growth characteristics were observed under inverted microscope and identified by Immunofluorescence technique. Effects on the intracellular calcium ion concentration of distal PASMCs were detected by Fura-2-AM fluorescent probe tracer under a fluorescence microscope in Krebs solution containing clopiazonic acid (CPA) and nifedipin (Nif)...
February 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28207927/attenuated-airway-hyperresponsiveness-and-mucus-secretion-in-hdm-exposed-igf1r-deficient-mice
#8
S Piñeiro-Hermida, J A Gregory, I P López, R Torrens, C Ruíz-Martínez, M Adner, J G Pichel
BACKGROUND: Asthma is a common chronic lung disease characterized by airflow obstruction, airway hyperresponsiveness (AHR) and inflammation. IGFs have been reported to play a role in asthma but little is known about how the Insulin-like Growth Factor 1 Receptor (IGF1R) affects asthma pathobiology. METHODS: Female Igf1r-deficient and control mice were intranasally challenged with house dust mite (HDM) extract or PBS five days per week for four weeks. Lung function measurements, and bronchioalveolar lavage fluid (BALF), serum and lungs were collected on day 28 for further cellular, histological and molecular analysis...
February 16, 2017: Allergy
https://www.readbyqxmd.com/read/28207619/iliac-crest-regeneration-a-retrospective-study-of-14-years-of-follow-up
#9
Anastasios Christodoulou, Achilleas Boutsiadis, Evangellos Christodoulou, Petros Antonarakos, Panagiotis Givissis, Ippokratis Hatzokos
STUDY DESIGN: This is a retrospective study analysis. OBJECTIVE: The purpose of our study was to evaluate the healing process of the ilium after being used as a bone graft donor site in the treatment of adolescent idiopathic scoliosis. SUMMARY OF BACKGROUND DATA: Iliac crest bone grafts have been proven to be the most reliable means for solid fusion in spine surgery. Nevertheless, few reports in the literature describe the ability of the iliac crest to regenerate...
March 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28207424/skeletal-muscle-wasting-new-role-of-nonclassical-renin-angiotensin-system
#10
Claudio Cabello-Verrugio, Juan C Rivera, Dominga Garcia
PURPOSE OF REVIEW: Skeletal muscle can be affected by many physiological and pathological conditions that contribute to the development of muscle weakness, including skeletal muscle loss, inflammatory processes, or fibrosis. Therefore, research into therapeutic treatment alternatives or alleviation of these effects on skeletal muscle is of great importance. RECENT FINDINGS: Recent studies have shown that angiotensin (1-7) [Ang-(1-7)] - a vasoactive peptide of the nonclassical axis in the renin-angiotensin system (RAS) - and its Mas receptor are expressed in skeletal muscle...
February 16, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28205203/effects-of-different-types-of-exercise-on-body-composition-muscle-strength-and-igf-1-in-the-elderly-with-sarcopenic-obesity
#11
Hung-Ting Chen, Yu-Chun Chung, Yu-Jen Chen, Sung-Yen Ho, Huey-June Wu
OBJECTIVES: To investigate the influence of resistance training (RT), aerobic training (AT), or combination training (CT) interventions on the body composition, muscle strength performance, and insulin-like growth factor 1 (IGF-1) of patients with sarcopenic obesity. DESIGN: Randomized controlled trial. SETTING: Community center and research center. PARTICIPANTS: Sixty men and women aged 65-75 with sarcopenic obesity...
February 15, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28204905/transcriptome-assembly-and-identification-of-genes-and-snps-associated-with-growth-traits-in-largemouth-bass-micropterus-salmoides
#12
Shengjie Li, Hao Liu, Junjie Bai, Xinping Zhu
Growth is one of the most crucial economic traits of all aquaculture species, but the molecular mechanisms involved in growth of largemouth bass (Micropterus salmoides) are poorly understood. The objective of this study was to screen growth-related genes of M. salmoides by RNA sequencing and identify growth-related single-nucleotide polymorphism (SNP) markers through a growth association study. The muscle transcriptomes of fast- and slow-growing largemouth bass were obtained using the RNA-Seq technique. A total of 54,058,178 and 54,742,444 qualified Illumina read pairs were obtained for the fast-growing and slow-growing groups, respectively, giving rise to 4,865,236,020 and 4,926,819,960 total clean bases, respectively...
February 15, 2017: Genetica
https://www.readbyqxmd.com/read/28204828/tieg1-deficiency-confers-enhanced-myocardial-protection-in-the-infarcted-heart-by-mediating-the-pten-akt-signalling-pathway
#13
Mingqiu Cen, Pengfei Hu, Zhaobin Cai, Tianfu Fang, Jiancheng Zhang, Ming Lu
The transforming growth factor (TGF)-β-inducible early gene-1 (TIEG1) plays a crucial role in modulating cell apoptosis and proliferation in a number of diseases, including pancreatic cancer, leukaemia and osteoporosis. However, the functional role of TIEG1 in the heart has not been fully defined. In this study, we first investigated the role of TIEG1 in ischaemic heart disease. For in vitro experiments, cardiomyocytes were isolated from both TIEG1 knockout (KO) and wile-type (WT) mice, and the apoptotic ratios were evaluated after a 48‑h ischaemic insult...
February 13, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28202883/decreased-sugar-concentration-in-vegetable-and-fruit-juices-by-growth-of-functional-lactic-acid-bacteria
#14
Masaki Ishii, Yasuhiko Matsumoto, Satoshi Nishida, Kazuhisa Sekimizu
Leuconostoc carnosum #7-2, L. gelidum #4-2, and L. mesenteroides 8/11-3, which were isolated from fermented plant foods, are lactic acid bacteria. We previously reported that these bacteria are functional lactic acid bacteria whose innate immunity-stimulating activities are high based on a silkworm muscle contraction assay. The concentrations of these three lactic acid bacteria increased to more than 1 × 10(6) colony forming units (cfu)/mL in various vegetable and fruit juices when the pH values were appropriately adjusted...
February 14, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28199786/alpha-adrenergic-receptor-blockade-increases-capillarisation-and-fractional-o2-extraction-and-lowers-blood-flow-in-contracting-human-skeletal-muscle
#15
Stefan P Mortensen, Stuart Egginton, Mads Madsen, Jonas B Hansen, Gregers D W Munch, Ulrik Winning Iepsen, Thorbjörn Åkerström, Bente K Pedersen, Ylva Hellsten
AIM: To investigate the effect of elevated basal shear stress on angiogenesis in humans, and the role of enhanced skeletal muscle capillarisation on blood flow and O2 extraction. METHODS: Limb haemodynamics and O2 extraction was measured at rest and during one-leg knee-extensor exercise (12 and 24W) in 10 healthy untrained young men before and after 4 weeks treatment with an α1 receptor-antagonist (Terazosin, 1-2 mg day(-1) ). Corresponding biopsies were taken from the m...
February 15, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28198136/morphological-and-growth-responses-of-vascular-smooth-muscle-and-endothelial-cells-cultured-on-immobilized-heparin-and-dextran-sulfate-surfaces
#16
Irina S Robu, Henry L Walters, Howard W T Matthew
Heparin has shown promise as a component of various biomaterial formulations, but its variable properties and inhibitory effects on some cell types have raised interest in use of dextran sulfate as an alternative. In this study, we characterized the interactions of vascular smooth muscle (SMC) and endothelial cells (EC) with heparin and dextran sulfate immobilized onto chitosan-based films. Films were modified by blending chitosan with type I collagen and covalently attaching heparin or dextran sulfate at various levels...
February 15, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28193628/management-of-endocrine-disease-neuroendocrine-surveillance-and-management-of-neurosurgical-patients-non-pituitary
#17
Aoife Garrahy, Mark Sherlock, Chris J Thompson
Advances in the management of traumatic brain injury, subarachnoid haemorrhage and intracranial tumours have led to improved survival rates and an increased focus on quality of life of survivors. Endocrine sequelae of the acute brain insult and subsequent neurosurgery, peri-operative fluid administration and/or cranial irradiation are now well described. Unrecognized acute hypopituitarism, particularly ACTH/cortisol deficiency and diabetes insipidus, can be life-threatening. While hypopituitarism may be transient, up to 30% of survivors of TBI have chronic hypopituitarism, which can diminish quality of life and hamper rehabilitation...
February 13, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28193525/caffeic-acid-phenethyl-ester-attenuates-liver-fibrosis-via-inhibition-of-tgf-%C3%AE-1-smad3-pathway-and-induction-of-autophagy-pathway
#18
Ning Yang, Shuangsuo Dang, Juanjuan Shi, Fengping Wu, Mei Li, Xin Zhang, Yaping Li, Xiaoli Jia, Song Zhai
Caffeic acid phenethyl ester (CAPE) has been reported to possess the hepatoprotective effect. This study was to investigate the mechanism underlying CAPE against liver fibrosis in a liver fibrosis model induced by toxic carbon tetrachloride (CCl4) in male Sprague-Dawley rats and in vitro in CAPE (5 μM, 10 μM, 15 μM) treated hepatic stellate cells (HSC-T6). We found that CAPE treatment remarkably attenuated CCl4-induced liver fibrosis by blocking the activation of HSCs as determined by the expression alternation of transforming growth factor (TGF)-β1, phosphorylated Smad3 (p-Smad3), collage I, α-smooth muscle actin (α-SMA), matrix metalloproteinases (MMPs) 2, tissue inhibitor of matrix metalloproteinases (TIMPs) 1...
February 10, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28192121/convulxin-a-c-type-lectin-like-protein-inhibits-hcasmcs-functions-via-wad-motif-integrin-%C3%AE-v-interaction-and-nf-%C3%AE%C2%BAb-independent-gene-suppression-of-gro-and-il-8
#19
Chun-Ho Shih, Tin-Bin Chiang, Wen-Jeng Wang
Convulxin (CVX), a C-type lectin-like protein (CLPs), is a potent platelet aggregation inducer. To evaluate its potential applications in angiogenic diseases, the multimeric CVX were further explored on its mode of actions toward human coronary artery smooth muscle cells (HCASMCs). The N-terminus of β-chain of CVX (CVX-β) contains a putative disintegrin-like domain with a conserved motif upon the sequence comparison with other CLPs. Importantly, native CVX had no cytotoxic activity as examined by electrophoretic pattern...
February 10, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28191756/aberrant-transforming-growth-factor-%C3%AE-activation-recruits-mesenchymal-stem-cells-during-prostatic-hyperplasia
#20
Long Wang, Liang Xie, Francis Tintani, Hui Xie, Changjun Li, Zhuang Cui, Mei Wan, Xiongbing Zu, Lin Qi, Xu Cao
Benign prostatic hyperplasia (BPH) is the overgrowth of prostate tissues with high prevalence in older men. BPH pathogenesis is not completely understood, but it is believed to be a result of de novo overgrowth of prostatic stroma. In this study, we show that aberrant activation of transforming growth factor-β (TGF-β) mobilizes mesenchymal/stromal stem cells (MSCs) in circulating blood, which are recruited for the prostatic stromal hyperplasia. Elevated levels of active TGF-β were observed in both a phenylephrine-induced prostatic hyperplasia mouse model and human BPH tissues...
February 2017: Stem Cells Translational Medicine
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