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https://www.readbyqxmd.com/read/29161312/correction-induction-of-connective-tissue-growth-factor-expression-by-hypoxia-in-human-lung-fibroblasts-via-the-mekk1-mek1-erk1-gli-1-gli-2-and-ap-1-pathways
#1
Yi Cheng, Chien-Huang Lin, Jing-Yun Chen, Chien-Hua Li, Yu-Tin Liu, Bing-Chang Chen
[This corrects the article DOI: 10.1371/journal.pone.0160593.].
2017: PloS One
https://www.readbyqxmd.com/read/29161180/comparison-of-verdeluz-orange-g-and-modified-gallego-stains
#2
A Kunche, M A Kiresur, A Ananthaneni, V S Guduru, H K Puneeth, B Bagalad
Tumors of the oral cavity include combinations of hard and soft tissues that may be difficult to identify using routine hematoxylin and eosin (H & E) staining. Although combination stains can demonstrate hard and soft tissues, trichrome stains, such as VanGieson and Masson, cannot differentiate dental hard tissues, such as dentin, cementum and osteoid. Modified Gallegos (MGS) and verdeluz orange G-acid fuchsin (VOF) stains can differentiate components of teeth. We used 10 tissue sections of decalcified bone and 10 pathologic tissue sections that contained different calcified tissues including peripheral ossifying fibroma, odontoma, central ossifying fibroma and cemento-ossifying fibroma...
November 21, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29161153/protective-effects-of-agomelatine-on-testicular-damage-caused-by-bortezomib
#3
N Akaras, T Bal, H Atilay, J Selli, M B Halici
Bortezomib is a chemotherapeutic agent used to treat several cancers; however, it exhibits severe side effects in testicular tissue. We investigated the use of agomelatine to prevent testicular tissue damage caused by bortezomib. We used 36 male Sprague-Dawley rats divided randomly into six equal groups: group 1, no treatment control; group 2, agomelatine treatment only; group 3, bortezomib treatment only for 48 h; group 4, bortezomib + agomelatine treatment for 48 h; group 5, bortezomib treatment only for 72 h; and group 6, bortezomib + agomelatine treatment for 72 h...
November 21, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29160908/connective-tissue-growth-factor-induces-renal-fibrosis-via-epidermal-growth-factor-receptor-activation
#4
Sandra Rayego-Mateos, José Luis Morgado-Pascual, Raúl R Rodrigues-Diez, Raquel Rodrigues-Diez, Lucas Falke, Sergio Mezzano, Alberto Ortiz, Jesús Egido, Roel Goldschmeding, Marta Ruiz-Ortega
Connective tissue growth factor (CCN2/CTGF) is a matricellular protein overexpressed in progressive human renal diseases, mainly in fibrotic areas. In vitro studies have demonstrated that CCN2 regulates production of extracellular matrix (ECM) proteins and epithelial mesenchymal transition (EMT), and therefore could contribute to renal fibrosis. CCN2 blockade ameliorates experimental renal damage, including diminution of ECM accumulation. We have described that CCN2 and its C-terminal degradation product CCN2(IV), bind to epidermal growth factor receptor (EGFR) to modulate renal inflammation...
November 21, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/29160385/usual-interstitial-pneumonia-typical-possible-and-inconsistent-patterns
#5
Pedro Paulo Teixeira E Silva Torres, Marcelo Fouad Rabahi, Maria Auxiliadora Carmo Moreira, Gustavo de Souza Portes Meirelles, Edson Marchiori
Idiopathic pulmonary fibrosis is a severe and progressive chronic fibrosing interstitial lung disease, a definitive diagnosis being established by specific combinations of clinical, radiological, and pathological findings. According to current international guidelines, HRCT plays a key role in establishing a diagnosis of usual interstitial pneumonia (UIP). Current guidelines describe three UIP patterns based on HRCT findings: a typical UIP pattern; a pattern designated "possible UIP"; and a pattern designated "inconsistent with UIP", each pattern having important diagnostic implications...
September 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29159872/the-dark-side-of-glucose-transporters-in-prostate-cancer-are-they-a-new-feature-to-characterize-carcinomas
#6
REVIEW
Pedro Gonzalez-Menendez, David Hevia, Juan C Mayo, Rosa M Sainz
One of the hallmarks of cancer cells is the increased ability to acquire nutrients, particularly glucose and glutamine. Proliferating cells need precursors for cell growth and NADPH reducing equivalents for survival. The principal responsible for glucose uptake is facilitative glucose transporters (GLUTs), which usually are overexpressed in cancer cells. Besides their role in glucose uptake, GLUT transporters are able to transport other compounds such as dehydroascorbic acid or uric acid. They play a major role in tumor progression and cellular processes such as regulated cell death...
November 21, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29159696/reflex-testing-of-speckled-cytoplasmic-patterns-observed-in-routine-ana-hep-2-indirect-immunofluorescence-with-a-multiplex-anti-synthetase-dot-blot-assay-a-multicentric-pilot-study
#7
Maria Infantino, Boaz Palterer, Roberta Biagiotti, Fabio Almerigogna, Maurizio Benucci, Arianna Damiani, Valentina Grossi, Annalisa Azzurri, Patrizia Casprini, Giovanni Bacci, Maria Grazia Giudizi, Mariangela Manfredi
Immunofluorescence on HEp2-cells is the standard diagnostic assay for the detection of anti-nuclear antibodies (ANA). Cytoplasmic speckled patterns are a common finding, and are associated with various antibodies, including anti-synthetase antibodies. However, classic ENA testing generally identifies only anti-Jo-1. Moreover, anti-synthetase syndrome is increasingly recognized as a pleomorphic entity, possibly presenting as isolated arthritis or interstitial lung disease. Sera referred for routine ANA testing were selected on the basis of the presence of a fine dense speckled cytoplasmic pattern (254 samples) and compared to control sera with negative cytoplasm (239 samples)...
November 21, 2017: Immunologic Research
https://www.readbyqxmd.com/read/29159513/molybdenum-coated-su-8-microneedle-electrodes-for-transcutaneous-electrical-nerve-stimulation
#8
Ramin Soltanzadeh, Elnaz Afsharipour, Cyrus Shafai, Neda Anssari, Behzad Mansouri, Zahra Moussavi
Electrophysiological devices are connected to the body through electrodes. In some applications, such as nerve stimulation, it is needed to minimally pierce the skin and reach the underneath layers to bypass the impedance of the first layer called stratum corneum. In this study, we have designed and fabricated surface microneedle electrodes for applications such as electrical peripheral nerve stimulation. We used molybdenum for microneedle fabrication, which is a biocompatible metal; it was used for the conductive layer of the needle array...
November 21, 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/29158674/skin-derived-mesenchymal-stem-cells-as-quantum-dot-vehicles-to-tumors
#9
Dominyka Dapkute, Simona Steponkiene, Danute Bulotiene, Liga Saulite, Una Riekstina, Ricardas Rotomskis
Purpose: Cell-mediated delivery of nanoparticles is emerging as a new method of cancer diagnostics and treatment. Due to their inherent regenerative properties, adult mesenchymal stem cells (MSCs) are naturally attracted to wounds and sites of inflammation, as well as tumors. Such characteristics enable MSCs to be used in cellular hitchhiking of nanoparticles. In this study, MSCs extracted from the skin connective tissue were investigated as transporters of semiconductor nanocrystals quantum dots (QDs)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29158396/emt-programs-promote-basal-mammary-stem-cell-and-tumor-initiating-cell-stemness-by-inducing-primary-ciliogenesis-and-hedgehog-signaling
#10
Vincent J Guen, Tony E Chavarria, Cornelia Kröger, Xin Ye, Robert A Weinberg, Jacqueline A Lees
Tissue regeneration relies on adult stem cells (SCs) that possess the ability to self-renew and produce differentiating progeny. In an analogous manner, the development of certain carcinomas depends on a small subset of tumor cells, called "tumor-initiating cells" (TICs), with SC-like properties. Mammary SCs (MaSCs) reside in the basal compartment of the mammary epithelium, and their neoplastic counterparts, mammary TICs (MaTICs), are thought to serve as the TICs for the claudin-low subtype of breast cancer...
November 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29156715/connective-tissue-growth-factor-mediates-tgf-%C3%AE-1-induced-low-grade-serous-ovarian-tumor-cell-apoptosis
#11
Jung-Chien Cheng, Hsun-Ming Chang, Peter C K Leung
Ovarian low-grade serous carcinoma (LGSC) is a rare disease and is now considered to be a distinct entity from high-grade serous carcinoma (HGSC), which is the most common and malignant form of epithelial ovarian cancer. Connective tissue growth factor (CTGF) is a secreted matricellular protein that has been shown to modulate many biological functions by interacting with multiple molecules in the microenvironment. Increasing evidence indicates that aberrant expression of CTGF is associated with cancer development and progression...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156171/the-use-of-decellularized-human-placenta-in-full-thickness-wound-repair-and%C3%A2-periarticular-soft-tissue-reconstruction-an-update-on-regenerative-healing
#12
REVIEW
Stephen A Brigido, Scott C Carrington, Nicole M Protzman
Prolonged or incomplete healing of the foot and ankle can pose significant challenges. Therefore, investigators have begun searching for alternative treatment strategies. With advances in tissue engineering, decellularized human placental connective tissue matrix has been suggested as a means to achieve more rapid and complete healing for various soft tissue and bone procedures. Basic science and clinical studies have shown that decellularized human placental connective tissue matrix can support regenerative healing through cellular migration, accelerated tissue remodeling, and the establishment of functional tissue...
January 2018: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/29154680/cardiovascular-disease-predictors-and-adipose-tissue-macrophage-polarization-is-there-a-link
#13
Ivana Kralova Lesna, Marek Petras, Sona Cejkova, Anna Kralova, Jiri Fronek, Libor Janousek, Filip Thieme, Tomas Tyll, Rudolf Poledne
Background The risk of cardiovascular disease is closely connected to adipose tissue inflammation. The links between cardiovascular risk predictors and pro and anti-inflammatory macrophages in human adipose tissue were analysed to gain an insight into the pathophysiology of cardiovascular disease. Design Subcutaneous and visceral adipose tissues were obtained from 79 subjects, 52 living kidney donors (during nephrectomy) and 27 patients with peripheral artery disease (during arterial tree reconstruction). Methods Macrophage subsets were isolated from adipose tissues and analysed by flow cytometry using CD14, CD16, CD36 and CD163 monoclonal antibodies...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29154193/fundamentals-on-the-biochemistry-of-peroxynitrite-and-protein-tyrosine-nitration
#14
REVIEW
Silvina Bartesaghi, Rafael Radi
In this review we provide an analysis of the biochemistry of peroxynitrite and tyrosine nitration. Peroxynitrite is the product of the diffusion-controlled reaction between superoxide (O2(•)(-)) and nitric oxide ((•)NO). This process is in competition with the enzymatic dismutation of O2(•-) and the diffusion of (•)NO across cells and tissues and its reaction with molecular targets (e.g. guanylate cyclase). Understanding the kinetics and compartmentalization of the O2(•-) / (•)NO interplay is critical to rationalize the shift of (•)NO from a physiological mediator to a cytotoxic intermediate...
September 19, 2017: Redox Biology
https://www.readbyqxmd.com/read/29154123/3d-skeletonization-feature-based-computer-aided-detection-system-for-pulmonary-nodules-in-ct-datasets
#15
Weihang Zhang, Xue Wang, Xuanping Li, Junfeng Chen
Pulmonary nodule detection has a significant impact on early diagnosis of lung cancer. To effectively detect pulmonary nodules from interferential vessels in chest CT datasets, this paper proposes a novel 3D skeletonization feature, named as voxels remove rate. Based on this feature, a computer-aided detection system is constructed to validate its performance. The system mainly consists of five stages. Firstly, the lung tissues are segmented by a global optimal active contour model, which can extract all structures (including juxta-pleural nodules) in the lung region...
November 11, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29154085/btx-a-has-notable-effects-contradicting-some-treatment-aims-in-the-rat-triceps-surae-compartment-which-are-not-confined-to-the-muscles-injected
#16
Can A Yucesoy, Filiz Ateş
Botulinum toxin type-A (BTX-A) is widely used in treating gastrocnemius medial (GM) and lateral (GL) muscles in cerebral palsy to improve joint motion. However, recent animal experiments indicate inferior BTX-A effects beyond the injected muscle. The goal was to test the following hypotheses in a rat model. (1) BTX-A injected into the GM and GL does not spread into the soleus (SOL), and muscles exposed show (2) a wider length range of force exertion (Lrange), (3) reduced passive forces and (4) no intermuscular interaction effects...
November 6, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29153832/drastic-genome-reduction-in-an-herbivore-s-pectinolytic-symbiont
#17
Hassan Salem, Eugen Bauer, Roy Kirsch, Aileen Berasategui, Michael Cripps, Benjamin Weiss, Ryuichi Koga, Kayoko Fukumori, Heiko Vogel, Takema Fukatsu, Martin Kaltenpoth
Pectin, an integral component of the plant cell wall, is a recalcitrant substrate against enzymatic challenges by most animals. In characterizing the source of a leaf beetle's (Cassida rubiginosa) pectin-degrading phenotype, we demonstrate its dependency on an extracellular bacterium housed in specialized organs connected to the foregut. Despite possessing the smallest genome (0.27 Mb) of any organism not subsisting within a host cell, the symbiont nonetheless retained a functional pectinolytic metabolism targeting the polysaccharide's two most abundant classes: homogalacturonan and rhamnogalacturonan I...
November 10, 2017: Cell
https://www.readbyqxmd.com/read/29152918/cosmeceutical-effect-of-ethyl-acetate-fraction-of-kombucha-tea-by-intradermal-administration-in-the-skin-of-aged-mice
#18
Nafiseh Pakravan, Elaheh Mahmoudi, Seyed-Ali Hashemi, Jamal Kamali, Reza Hajiaghayi, Mitra Rahimzadeh, Vajiheh Mahmoodi
BACKGROUND/PURPOSE: Natural ingredients have been always an interesting approach to prolong youthful appearance of skin. One of the natural compounds is Kombucha tea (KT), which has been mainly used as an energy drink in Asian countries for a long time. Previous reports indicated that it has pharmaceutical and favorable wound repairing effects. The beneficial properties of KT are thought to be mainly due to the presence of fermentation products such as flavonoids and other polyphenols with inhibition of hydrolytic and oxidative enzymes and anti-inflammatory effects...
November 19, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29152065/kahweol-decreases-hepatic-fibrosis-by-inhibiting-the-expression-of-connective-tissue-growth-factor-via-the-transforming-growth-factor-beta-signaling-pathway
#19
Hye-Young Seo, Yun-A Jung, So-Hee Lee, Jae Seok Hwang, Keun-Gyu Park, Mi-Kyung Kim, Byoung Kuk Jang
Kahweol is a diterpene molecule found in Coffea Arabica beans. Previous studies have shown that coffee reduces liver fibrosis, but it is not clear which component of coffee has the protective effect. In this study, we examined whether kahweol has a protective effect on hepatic fibrosis in vivo and in vitro. Kahweol decreased hepatic fibrosis by inhibiting connective tissue growth factor (CTGF) expression in thioacetamide (TAA)-treated mice. The expression of phospho-Smad3, signal transducer and activator of transcription 3 (STAT3), extracellular signal-regulated kinases (ERK), and c-Jun N-terminal protein kinase (JNK) increased in the livers of TAA-treated mice and decreased in the kahweol-treated group...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151064/the-oral-cavity-potential-source-of-stem-cells
#20
Rafał Brożek, Maciej Kurpisz, Ryszard Koczorowski
The purpose of this review is to present the current knowledge regarding the hierarchy of stem cells originating from the oral cavity, which could have a potential value when applied to regenerative stomatology. It must be particularly emphasized that the heterogenous nature of its biology and function within oral compartment may predispose them to different types of applications. Stem cells can be perceived as immature, primitive and unspecialized types of cells with the ability to proliferate, self-renew and differentiate into specialized progeny according to the compartmental signaling...
October 19, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
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