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https://www.readbyqxmd.com/read/28919584/reduced-ifn-%C3%AE-production-in-chronic-brucellosis-patients
#1
Ehsanollah Ghaznavi Rad, Khadijeh Khosravi, Nader Zarinfar, Ghasem Mosayebi
BACKGROUND: Brucella is a well-known intracellular bacterium entailing acute and chronic illnesses in humans and domestic animals. The infection chronicity may be affected by the cell-mediated immunity and cytokine patterns. OBJECTIVE: To evaluate the patterns of T-helper cytokines in patients suffering from chronic and acute brucellosis. METHODS: In this cross-sectional study, 22 individuals with acute brucellosis, 21 individuals with chronic brucellosis, and 21 healthy individuals with the same genetic background were recruited from October 2015 to April 2016...
September 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28918914/analysis-of-genomes-and-transcriptomes-of-hepatocellular-carcinomas-identifies-mutations-and-gene-expression-changes-in-the-transforming-growth-factor-beta-pathway-short-title-prognostic-significance-of-tgf-%C3%AE-signature-in-liver-cancer
#2
Jian Chen, Sobia Zaidi, Shuyun Rao, Jiun-Sheng Chen, Liem Phan, Patrizia Farci, Xiaoping Su, Kirti Shetty, Jon White, Fausto Zamboni, Xifeng Wu, Asif Rashid, Nagarajan Pattabiraman, Raja Mazumder, Anelia Horvath, Ray-Chang Wu, Shulin Li, Cuiying Xiao, Chu-Xia Deng, David A Wheeler, Bibhuti Mishra, Rehan Akbani, Lopa Mishra
BACKGROUND & AIMS: Development of hepatocellular carcinoma (HCC) is associated with alterations in the transforming growth factor beta (TGFβ) signaling pathway, which regulates liver inflammation and can have tumor suppressor or promoter activities. Little is known about the roles of specific members of this pathway at specific of HCC development. We took an integrated approach to identify and validate the effects of changes in this pathway in HCC and identify therapeutic targets. METHODS: We performed transcriptome analyses for a total of 488 HCCs that include data from The Cancer Genome Atlas...
September 14, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28916975/flaxseed-oil-supplementation-improve-gene-expression-levels-of-ppar-%C3%AE-lp-a-il-1-and-tnf-%C3%AE-in-type-2-diabetic-patients-with-coronary-heart-disease
#3
Ali Akbar Hashemzadeh, Nikoo Nasoohi, Fariba Raygan, Esmat Aghadavod, Elmira Akbari, Mohsen Taghizadeh, Mohammad Reza Memarzadeh, Zatollah Asemi
This study was carried out to determine the effects of flaxseed oil administration on gene expression levels related to insulin, lipid and inflammation in overweight diabetic patients with coronary heart disease (CHD). This randomized double-blind, placebo-controlled trial was conducted among 60 diabetic patients with CHD. Subjects were randomly allocated into two groups to intake either 1000 mg n-3 fatty acid from flaxseed oil containing 400 mg α-Linolenic acid [ALA (18:3n-3)] (n = 30) or placebo (n = 30) twice a day for 12 weeks...
September 15, 2017: Lipids
https://www.readbyqxmd.com/read/28913840/loss-of-regulatory-characteristics-in-cd4-cd25-hi-t-cells-induced-by-impaired-transforming-growth-factor-beta-secretion-in-pneumoconiosis
#4
Lu-Qin Bian, Ling Mao, Ying Bi, Shao-Wei Zhou, Zi-Dan Chen, Jun Wen, Jin Shi, Ling Wang
Pneumoconiosis is caused by the accumulation of airborne dust in the lung, which stimulates a progressive inflammatory response that ultimately results in lung fibrosis and respiratory failure. It is possible that regulatory cells in the immune system could function to suppress inflammation and possibly slow or reverse disease progression. However, results in this study suggest that in pneumoconiosis patients, the regulatory T cells (Tregs) and B cells are functionally impaired. First, we found that pneumoconiosis patients presented an upregulation of CD4(+) CD25(+) T cells compared to controls, whereas the CD4(+) CD25(+) and CD4(+) CD25(hi) T cells were enriched with Th1- and Th17-like cells but not Foxp3-expressing Treg cells and evidenced by significantly higher T-bet, interferon (IFN)-γ, and interleukin (IL)-17 expression but lower Foxp3 and transforming growth factor (TGF)-β expression...
September 15, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28913356/expression-profiling-of-cellular-microrna-in-asymptomatic-hbsag-carriers-and-chronic-hepatitis-b-patients
#5
Xianliang Hou, Yan Liang, Jianing Chen, Yingfeng Wei, Ping Zeng, Lin Wang, Chong Lu, Hongyan Diao
BACKGROUND: MicroRNAs (miRNAs) may serve as potential molecular markers to predict liver injury resulting from chronic hepatitis B (CHB). In the present study, we want to study the expression profile and clinical significance of miRNAs at different stages of CHB virus infection. METHODS: Using miRNA microarray, we investigated the global expression profiles of cellular miRNA in asymptomatic hepatitis B antigen carriers (ASCs) and CHB patients, compared with healthy controls (HCs)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28912269/glycoprotein-a-repetitions-predominant-garp-positively-regulates-transforming-growth-factor-tgf-%C3%AE-3-and-is-essential-for-mouse-palatogenesis
#6
Bill X Wu, Anqi Li, Liming Lei, Satoshi Kaneko, Caroline Wallace, Xue Li, Zihai Li
Glycoprotein A repetitions predominant (GARP) (encoded by the Lrrc32 gene) plays important roles in cell-surface docking and activation of TGF-beta. However, GARP role in organ development in mammalian system is unclear. To determine the function of GARP in vivo, we generated a GARP-KO mouse model. Unexpectedly, the GARP-KO mice died within 24 hours after birth and exhibited defective palatogenesis without apparent abnormalities in other major organs. Furthermore, we observed decreased apoptosis and SMAD2 phosphorylation in the medial edge epithelial (MEE) cells of the palatal shelf of GARP-KO embryos at day 14...
September 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28903471/the-role-of-tgf-%C3%AE-in-the-pathophysiology-of-peritoneal-endometriosis
#7
Vicky J Young, S F Ahmad, W Colin Duncan, Andrew W Horne
BACKGROUND: Endometriosis is estimated to affect 6-10% of women of reproductive age and it is associated with chronic pelvic pain, dysmenorrhoea and subfertility. It is currently managed surgically or medically but symptoms recur in up to 75% of cases and available medical treatments have undesirable side effects. Endometriosis is defined as the presence of endometrial tissue outside the uterus with lesions typically found on the peritoneum. The aetiology of endometriosis is uncertain but there is increasing evidence that transforming growth factor (TGF)-β plays a major role...
September 1, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28899816/enzyme-crosslinked-gene-activated-matrix-for-the-induction-of-mesenchymal-stem-cells-in-osteochondral-tissue-regeneration
#8
Yi-Hsuan Lee, Hsi-Chin Wu, Chia-Wei Yeh, Chen-Hsiang Kuan, Han-Tsung Liao, Horng-Chaung Hsu, Jui-Che Tsai, Jui-Sheng Sun, Tzu-Wei Wang
The development of osteochondral tissue engineering is an important issue for the treatment of traumatic injury or aging associated joint disease. However, the different compositions and mechanical properties of cartilage and subchondral bone show the complexity of this tissue interface, making it challenging for the design and fabrication of osteochondral graft substitute. In this study, a bilayer scaffold is developed to promote the regeneration of osteochondral tissue within a single integrated construct...
September 9, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28889351/multidimensional-phenotyping-of-breast-cancer-cell-lines-to-guide-preclinical-research
#9
Jodi M Saunus, Chanel E Smart, Jamie R Kutasovic, Rebecca L Johnston, Priyakshi Kalita-de Croft, Mariska Miranda, Esdy N Rozali, Ana Cristina Vargas, Lynne E Reid, Eva Lorsy, Sibylle Cocciardi, Tatjana Seidens, Amy E McCart Reed, Andrew J Dalley, Leesa F Wockner, Julie Johnson, Debina Sarkar, Marjan E Askarian-Amiri, Peter T Simpson, Kum Kum Khanna, Georgia Chenevix-Trench, Fares Al-Ejeh, Sunil R Lakhani
PURPOSE: Cell lines are extremely useful tools in breast cancer research. Their key benefits include a high degree of control over experimental variables and reproducibility. However, the advantages must be balanced against the limitations of modelling such a complex disease in vitro. Informed selection of cell line(s) for a given experiment now requires essential knowledge about molecular and phenotypic context in the culture dish. METHODS: We performed multidimensional profiling of 36 widely used breast cancer cell lines that were cultured under standardised conditions...
September 9, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28879772/brain-membrane-proteome-and-phosphoproteome-reveal-molecular-basis-associating-with-nursing-and-foraging-behaviors-of-honeybee-workers
#10
Bin Han, Yu Fang, Mao Feng, Han Hu, Yue Hao, Chuan Ma, Xinmei Huo, Lifeng Meng, Xufeng Zhang, Fan Wu, Jianke Li
The brain is a vital organ in regulating complex social behaviors of honeybees including learning and memory. Knowledge of how brain membrane proteins and their phosphorylation underlie the age-related behavioral polyethism is still lacking. A hitherto age-resolved brain membrane proteome and phosphoproteome were reported in adult worker bees from two strains of honeybee (Apis mellifera ligustica): Italian bee (ITB) and Royal Jelly bee (RJB), a line selected from ITB for increased RJ outputs over 4 decades...
September 7, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28875468/multifunctional-jnk-inhibiting-nanotherapeutics-for-augmented-elastic-matrix-regenerative-repair-in-aortic-aneurysms
#11
Andrew Camardo, Dhruv Seshadri, Tom Broekelmann, Robert Mecham, Anand Ramamurthi
Growth of abdominal aortic aneurysms (AAA), localized aortal wall expansions, is driven by the disruption and subsequent loss of aortal wall elastic fibers by matrix metalloproteases (MMPs). Since elastic fibers do not naturally regenerate or repair, arresting/reversing AAA growth has not been possible. Previously, we showed utility of doxycycline (DOX), an MMP inhibitor drug, to stimulate elastic matrix neoassembly and crosslinking at low microgram per milliliter doses in addition to inhibiting MMPs. We currently show in aneurysmal smooth muscle cell (SMC) cultures that effects of exogenous DOX in this dose range are linked to its upregulation of transforming growth factor beta (TGF-β1) via its inhibition of the regulatory protein c-Jun-N-terminal kinase 2 (JNK 2)...
September 5, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28870615/luspatercept-for-the-treatment-of-anaemia-in-patients-with-lower-risk-myelodysplastic-syndromes-pace-mds-a-multicentre-open-label-phase-2-dose-finding-study-with-long-term-extension-study
#12
Uwe Platzbecker, Ulrich Germing, Katharina S Götze, Philipp Kiewe, Karin Mayer, Jörg Chromik, Markus Radsak, Thomas Wolff, Xiaosha Zhang, Abderrahmane Laadem, Matthew L Sherman, Kenneth M Attie, Aristoteles Giagounidis
BACKGROUND: Myelodysplastic syndromes are characterised by ineffective erythropoiesis. Luspatercept (ACE-536) is a novel fusion protein that blocks transforming growth factor beta (TGF β) superfamily inhibitors of erythropoiesis, giving rise to a promising new investigative therapy. We aimed to assess the safety and efficacy of luspatercept in patients with anaemia due to lower-risk myelodysplastic syndromes. METHODS: In this phase 2, multicentre, open-label, dose-finding study (PACE-MDS), with long-term extension, eligible patients were aged 18 years or older, had International Prognostic Scoring System-defined low or intermediate 1 risk myelodysplastic syndromes or non-proliferative chronic myelomonocytic leukaemia (white blood cell count <13 000/μL), and had anaemia with or without red blood cell transfusion support...
September 1, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28870505/tgf-%C3%AE-1-affects-cell-cell-adhesion-in-the-heart-in-an-ncam1-dependent-mechanism
#13
Maegen A Ackermann, Jennifer M Petrosino, Heather R Manring, Patrick Wright, Vikram Shettigar, Ahmet Kilic, Paul M L Janssen, Mark T Ziolo, Federica Accornero
The contractile property of the myocardium is maintained by cell-cell junctions enabling cardiomyocytes to work as a syncytium. Alterations in cell-cell junctions are observed in heart failure, a disease characterized by the activation of Transforming Growth Factor beta 1 (TGFβ1). While TGFβ1 has been implicated in diverse biologic responses, its molecular function in controlling cell-cell adhesion in the heart has never been investigated. Cardiac-specific transgenic mice expressing active TGFβ1 were generated to model the observed increase in activity in the failing heart...
September 1, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28866816/distinctively-expressed-cytokines-by-three-different-inflammation-cells-and-their-interaction-with-keratinocytes-in-wound-healing
#14
Jingwen Wang, Xusheng Wang, Haiyan Chen, Jianjun Liu, Edward E Tredget, Yaojiong Wu
Inflammatory cells exert crucial influence on wound healing, while exploration is still desired to get further insight into the key factors that promote the process. In the present study, we performed comparative microarray data analysis of the three types of inflammatory cells isolated from skin wounds and focused on differentially expressed secreted factors. Gene Ontology enrichment and receptor analysis indicated that 11 genes of secreted factors in Ly6C(+) inflammatory macrophages and 27 genes of secreted factors in neutrophils exhibited higher (≥ 5-fold) expression, and all these factors were considered as candidates with potentially important role in keratinocyte activation...
September 2, 2017: Inflammation
https://www.readbyqxmd.com/read/28864263/mechanism-of-chimeric-vaccine-stimulation-of-indoleamine-2-3-dioxygenase-biosynthesis-in-human-dendritic-cells-is-independent-of-tgf-%C3%AE-signaling
#15
Grace E Esebanmen, William H R Langridge
Cholera toxin B subunit fusion to autoantigens such as proinsulin (CTB-INS) down regulate dendritic cell (DC) activation and stimulate synthesis of DC immunosuppressive cytokines. Recent studies of CTB-INS induction of immune tolerance in human DCs indicate that increased biosynthesis of indoleamine 2,3-dioxygenase (IDO1) may play an important role in CTB-INS vaccine suppression of DC activation. Studies in murine models suggest a role for transforming growth factor beta (TGF-β) in the stimulation of IDO1 biosynthesis, for the induction of tolerance in DCs...
August 21, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28854691/the-clinical-recovery-of-tuberculosis-patients-undergoing-specific-treatment-is-associated-with-changes-in-the-immune-and-neuroendocrine-responses
#16
Ariana Díaz, Bettina Bongiovanni, Luciano D'Attilio, Natalia Santucci, Griselda Dídoli, Rocío Del Valle Fernández, Leandro Kovalevski, Susana Lioi, Walter Gardeñez, Nadia Brandan, Luis J Nannini, Hugo Besedovsky, Adriana Del Rey, Oscar Bottasso, María Luisa Bay
Tuberculosis (TB) caused by Mycobacterium tuberculosis is a health problem worldwide. Patients with pulmonary TB show a neuro-immune-endocrine imbalance characterized by an impaired cellular immunity together with increased plasma levels of cortisol, pro- and anti-inflammatory cytokines and markedly decreased dehydroepiandrosterone (DHEA) levels. Extending these findings, we now investigated the immune-endocrine profile of TB patients undergoing specific treatment. Patients (n = 24) were bled at diagnosis (T0), 2, 4, 6 months after treatment initiation and 3 months following its completion...
September 29, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28853609/in%C3%A2-vitro-development-of-personalized-cartilage-microtissues-uncovers-an-individualized-differentiation-capacity-of-human-chondrocytes
#17
Frank Martin, Mario Lehmann, Ulrich Sack, Ursula Anderer
Personalized features in the treatment of knee injuries and articular replacement therapies play an important role in modern life with increasing demand. Therefore, cell-based therapeutic approaches for the regeneration of traumatic defects of cartilage tissue were developed. However, great variations in the quality of repair tissue or therapeutic outcome were observed. The aim of the study was to capture and visualize individual differentiation capacities of chondrocytes derived from different donors with regard to a possible personal regeneration capacity using a cell-based therapy...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28851814/genomic-analysis-of-nasopharyngeal-carcinoma-reveals-tme-based-subtypes
#18
Li Zhang, Kenzie D MacIsaac, Tin Zhou, Pei-Yu Huang, Chunlin Xin, Jason R Dobson, Kun Yu, Derek Y Chiang, Yue Fan, Marc R Pelletier, Yan Wang, Savina Jaeger, VivekSagar Krishnamurthy Radhakrishna, Lellean JeBailey, Peter Skewes-Cox, Jing Zhang, Wenfeng Fang, Yan Huang, Hongyun Zhao, Yuanyuan Zhao, En Li, Bin Peng, Alan Huang, Glenn Dranoff, Peter S Hammerman, Jeffrey A Engelman, Hans Bitter, Yi-Xin Zeng, Yao Yao
Nasopharyngeal carcinoma (NPC) is an Epstein-Barr virus (EBV) associated cancer characterized by a poor prognosis and a high level of lymphocyte infiltrate. Genetic hallmarks of NPC are not completely known but include deletion of the p16 (CDKN2A) locus and mutations in NF-kB pathway components, with a relatively low total mutational load. To better understand the genetic landscape, an integrated genomic analysis was performed using a large clinical cohort of treatment-naïve NPC tumor specimens. This genomic analysis was generally concordant with previous studies; however, three subtypes of NPC were identified by differences in immune cell gene expression, prognosis, tumor cell morphology, and genetic characteristics...
August 29, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28845509/the-role-of-tgf-beta-signaling-in-dendritic-cell-tolerance
#19
REVIEW
Grace E Esebanmen, William H R Langridge
Transforming growth factor beta (TGF-β) is a pleiotropic cytokine present in vertebrate and invertebrate organisms that functions in numerous physiological and pathological processes. TGF-β impacts all the cells of the immune system, and of the three known TGF-β isoforms, TGF-β1 is the predominant isoform expressed in immune cells. TGF-β1 is known to play a pivotal role in the function of all immune cells especially in the regulation of T cell development and in the induction of immunological tolerance in dendritic cells (DCs)...
August 28, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28844090/role-of-trim33-in-wnt-signaling-during-mesendoderm-differentiation
#20
Xiaojie Xia, Feifei Zuo, Maoguo Luo, Ye Sun, Jianbo Bai, Qiaoran Xi
Tripartite motif 33 (TRIM33), a member of the transcription intermediate factor 1 (TIF1) family of transcription cofactors, mediates transforming growth factor-beta (TGF-β) signaling through its PHD-Bromo cassette in mesendoderm differentiation during early mouse embryonic development. However, the role of the TRIM33 RING domain in embryonic differentiation is less clear. Here, we report that TRIM33 mediates Wnt signaling by directly regulating the expression of a specific subset of Wnt target genes, and this action is independent of its RING domain...
August 24, 2017: Science China. Life Sciences
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