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https://www.readbyqxmd.com/read/29685904/role-of-fgfr2b-in-the-crosstalk-between-autophagy-and-differentiation-involvement-of-jnk-signaling
#1
Monica Nanni, Danilo Ranieri, Benedetta Rosato, Maria Rosaria Torrisi, Francesca Belleudi
The FGFR2b is a receptor tyrosine kinase expressed exclusively in epithelial cells. We previously demonstrated that FGFR2b induces autophagy and that this process is required for the triggering of FGFR2b-mediated keratinocytes early differentiation. However, the molecular mechanisms regulating this interplay remain to be elucidated. Since we have also recently shown that JNK1 signaling is involved in FGFR2b-induced autophagy and a possible role of JNK pathway in epidermal differentiation has been suggested but it is still debated, here we investigated the crosstalk between FGFR2b-mediated autophagy and differentiation focusing on the downstream JNK signaling...
April 23, 2018: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29572176/perineural-spread-of-non-melanoma-skin-cancer-to-the-brachial-plexus-identifying-an-anatomical-pathway-s
#2
Tomas Marek, B Matthew Howe, Kimberly K Amrami, Robert J Spinner
BACKGROUND: Perineural spread leading to brachial plexopathy has recently been described in cases of melanoma. The occurrence and mechanism for non-melanoma skin cancer spread to the brachial plexus is poorly understood. MATERIALS AND METHODS: A retrospective chart review of Mayo Clinic database was conducted to identify patients with non-melanoma skin cancer and brachial plexopathy between 2000 and 2017. Inclusion criteria were a history of non-melanoma skin cancer, a clinical diagnosis of brachial plexopathy, imaging features of perineural spread, and a positive biopsy showing tumor in a skin nerve...
March 20, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29497423/whole-genome-expression-profiling-in-skin-reveals-syk-as-a-key-regulator-of-inflammation-in-experimental-epidermolysis-bullosa-acquisita
#3
Unni K Samavedam, Nina Mitschker, Anika Kasprick, Katja Bieber, Enno Schmidt, Tamás Laskay, Andreas Recke, S Goletz, Gestur Vidarsson, Franziska S Schulze, Mikko Armbrust, Katharina Schulze Dieckhoff, Hendri H Pas, Marcel F Jonkman, Kathrin Kalies, Detlef Zillikens, Yask Gupta, Saleh M Ibrahim, Ralf J Ludwig
Because of the morbidity and limited therapeutic options of autoimmune diseases, there is a high, and thus far, unmet medical need for development of novel treatments. Pemphigoid diseases, such as epidermolysis bullosa acquisita (EBA), are prototypical autoimmune diseases that are caused by autoantibodies targeting structural proteins of the skin, leading to inflammation, mediated by myeloid cells. To identify novel treatment targets, we performed cutaneous genome-wide mRNA expression profiling in 190 outbred mice after EBA induction...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29377892/network-based-co-expression-analysis-for-exploring-the-potential-diagnostic-biomarkers-of-metastatic-melanoma
#4
Li-Xin Wang, Yang Li, Guan-Zhi Chen
Metastatic melanoma is an aggressive skin cancer and is one of the global malignancies with high mortality and morbidity. It is essential to identify and verify diagnostic biomarkers of early metastatic melanoma. Previous studies have systematically assessed protein biomarkers and mRNA-based expression characteristics. However, molecular markers for the early diagnosis of metastatic melanoma have not been identified. To explore potential regulatory targets, we have analyzed the gene microarray expression profiles of malignant melanoma samples by co-expression analysis based on the network approach...
2018: PloS One
https://www.readbyqxmd.com/read/29249121/matrix-metalloproteinase-1-a-better-biomarker-for-squamous-cell-carcinoma-by-multiple-microarray-analyses
#5
Li-Qiang Zheng, Rui Wang, Su-Min Chi, Cheng-Xin Li
BACKGROUND: The present study aimed to validate MMP1 role in the development of squamous cell carcinoma (SCC) by bioinformatics methods. METHODS: Gene expression data of 10 GSE series (5 HNSCCs and 5 cSCCs) were obtained from the Gene Expression Omnibus (GEO) database and used to identify differentially expressed genes (DEGs). RESULTS: Higher expression of MMP1 was found rank number one in 9/10 GSE series of SCC. MMP1 was mainly focused on Gene Ontology (GO) terms of collagen catabolic process, extracellular matrix disassembly...
December 15, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29245939/identification-of-hub-genes-related-to-silicone-induced-immune-response-in-rats
#6
Xiaolu Huang, Yiwen Zhou, Wenhui Liu, Haizhou Li, Xiao Liang, Rui Jin, Hengyu Du, Jizhou He, Bangda Chai, Ran Duan, Qingfeng Li
Silicone implants are used widely in the field of plastic surgery and are used in a large population. However, their safety profile, especially the silicone-induced immune response, has been a major concern for plastic surgeons for decades. It has been hypothesized that there is a cause and effect relation between silicone and immunity, but this is controversial. The objective of the present study was to determine the hub genes and key pathways related to silicone implant-induced immune responses in a rat model...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28987016/sensitivity-of-aspiration-as-a-safety-test-before-injection-of-soft-tissue-fillers
#7
Jani Aj Van Loghem, James J Fouché, Job Thuis
BACKGROUND: Embolism due to accidental intra-arterial injection of a soft tissue filler (STF) can lead to serious complications. Physicians practice aspiration as a safety test before injection to rule out intra-arterial placement of the needle tip. The value of aspiration as a safety test is evaluated in this study, which also considered the rheological properties of different STFs and their needle dimensions. METHODS: Aspiration with eleven different needle sizes and 24 different STFs was performed using Ringer's lactate (RL) colored with blue skin marking ink and secondly an empty saline bag containing anticoagulated blood, both pressurized to 150 mm Hg to mimic arterial blood pressure...
February 2018: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28982551/a-cell-based-high-throughput-screening-assay-for-the-discovery-of-cgas-sting-pathway-agonists
#8
Bowei Liu, Liudi Tang, Xiaohui Zhang, Julia Ma, Mohit Sehgal, Junjun Cheng, Xuexiang Zhang, Yan Zhou, Yanming Du, John Kulp, Ju-Tao Guo, Jinhong Chang
Stimulator of interferon genes (STING) is an endoplasmic reticulum transmembrane protein that serves as a molecular hub for activation of interferon and inflammatory cytokine response by multiple cellular DNA sensors. Not surprisingly, STING has been demonstrated to play an important role in host defense against microorganisms and pharmacologic activation of STING is considered as an attractive strategy to treat viral diseases and boost antitumor immunity. In light of this we established a HepAD38-derived reporter cell line that expresses firefly luciferase in response to the activation of cyclic GMP-AMP synthase (cGAS)-STING pathway for high throughput screening (HTS) of small molecular human STING agonists...
November 2017: Antiviral Research
https://www.readbyqxmd.com/read/28893859/adherens-junctions-and-desmosomes-coordinate-mechanics-and-signaling-to-orchestrate-tissue-morphogenesis-and-function-an-evolutionary-perspective
#9
Matthias Rübsam, Joshua A Broussard, Sara A Wickström, Oxana Nekrasova, Kathleen J Green, Carien M Niessen
Cadherin-based adherens junctions (AJs) and desmosomes are crucial to couple intercellular adhesion to the actin or intermediate filament cytoskeletons, respectively. As such, these intercellular junctions are essential to provide not only integrity to epithelia and other tissues but also the mechanical machinery necessary to execute complex morphogenetic and homeostatic intercellular rearrangements. Moreover, these spatially defined junctions serve as signaling hubs that integrate mechanical and chemical pathways to coordinate tissue architecture with behavior...
September 11, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28803347/melatonin-mitochondria-and-the-skin
#10
REVIEW
Andrzej T Slominski, Michal A Zmijewski, Igor Semak, Tae-Kang Kim, Zorica Janjetovic, Radomir M Slominski, Jaroslaw W Zmijewski
The skin being a protective barrier between external and internal (body) environments has the sensory and adaptive capacity to maintain local and global body homeostasis in response to noxious factors. An important part of the skin response to stress is its ability for melatonin synthesis and subsequent metabolism through the indolic and kynuric pathways. Indeed, melatonin and its metabolites have emerged as indispensable for physiological skin functions and for effective protection of a cutaneous homeostasis from hostile environmental factors...
November 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28769950/transcriptome-analysis-of-calcium-and-hormone-related-gene-expressions-during-different-stages-of-peanut-pod-development
#11
Yan Li, Jingjing Meng, Sha Yang, Feng Guo, Jialei Zhang, Yun Geng, Li Cui, Shubo Wan, Xinguo Li
Peanut is one of the calciphilous plants. Calcium serves as a ubiquitous central hub in a large number of signaling pathways. In the field, free calcium ion (Ca(2+))-deficient soil can result in unfilled pods. Four pod stages were analyzed to determine the relationship between Ca(2+) excretion and pod development. Peanut shells showed Ca(2+) excretion at all four stages; however, both the embryo of Stage 4 (S4) and the red skin of Stage 3 (S3) showed Ca(2+) absorbance. These results showed that embryo and red skin of peanut need Ca(2+) during development...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28558655/the-common-transcriptional-subnetworks-of-the-grape-berry-skin-in-the-late-stages-of-ripening
#12
Ryan Ghan, Juli Petereit, Richard L Tillett, Karen A Schlauch, David Toubiana, Aaron Fait, Grant R Cramer
BACKGROUND: Wine grapes are important economically in many countries around the world. Defining the optimum time for grape harvest is a major challenge to the grower and winemaker. Berry skins are an important source of flavor, color and other quality traits in the ripening stage. Senescent-like processes such as chloroplast disorganization and cell death characterize the late ripening stage. RESULTS: To better understand the molecular and physiological processes involved in the late stages of berry ripening, RNA-seq analysis of the skins of seven wine grape cultivars (Cabernet Franc, Cabernet Sauvignon, Merlot, Pinot Noir, Chardonnay, Sauvignon Blanc and Semillon) was performed...
May 30, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28383466/relative-device-stability-of-anterior-versus-axillary-needle-decompression-for-tension-pneumothorax-during-casualty-movement-preliminary-analysis-of-a-human-cadaver-model
#13
Matthew L Leatherman, Jenny M Held, Laura M Fluke, Christian S McEvoy, Kenji Inaba, Daniel Grabo, Matthew J Martin, Angela S Earley, Robert L Ricca, Travis M Polk
BACKGROUND: Tension pneumothorax (tPTX) remains a significant cause of potentially preventable death in military and civilian settings. The current prehospital standard of care for tPTX is immediate decompression with a 14-gauge 8-cm angiocatheter; however, failure rates may be as high as 17% to 60%. Alternative devices, such as 10-gauge angiocatheter, modified Veress needle, and laparoscopic trocar, have shown to be potentially more effective in animal models; however, little is known about the relative insertional safety or mechanical stability during casualty movement...
July 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28279717/yap-and-wwtr1-new-targets-for-skin-cancer-treatment
#14
REVIEW
Thomas Andl, Linli Zhou, Kun Yang, Ana Luisa Kadekaro, Yuhang Zhang
The core components of the Hippo signaling pathway are a cascade of kinases that govern the phosphorylation of downstream transcriptional co-activators, namely, YES-associated protein (YAP) and WW domain-containing transcription regulator protein 1 (WWTR1, also known as TAZ). The Hippo signaling pathway is considered an important tumor-suppressor pathway, and its dysregulation has been noted in a variety of human cancers, in which YAP/WWTR1 enable cancerous cells to overcome contact inhibition, and to grow and spread uncontrollably...
June 28, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28230860/carma2sh-and-ulk2-control-pathogen-associated-molecular-patterns-recognition-in-human-keratinocytes-psoriasis-linked-carma2sh-mutants-escape-ulk2-censorship
#15
Ivan Scudiero, Pellegrino Mazzone, Luca E D'Andrea, Angela Ferravante, Tiziana Zotti, Gianluca Telesio, Gabriele De Rubis, Carla Reale, Maddalena Pizzulo, Shanmugakonar Muralitharan, Pasquale Vito, Romania Stilo
The molecular complexes formed by specific members of the family of CARMA proteins, the CARD domain-containing adapter molecule BCL10 and MALT1 (CBM complex) represent a central hub in regulating activation of the pleiotropic transcription factor NF-κB. Recently, missense mutations in CARMA2sh have been shown to cause psoriasis in a dominant manner and with high penetrancy. Here, we demonstrate that in human keratinocytes CARMA2sh plays an essential role in the signal transduction pathway that connects pathogen-associated molecular patterns recognition to NF-κB activation...
February 23, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28162895/the-brain-basis-for-misophonia
#16
Sukhbinder Kumar, Olana Tansley-Hancock, William Sedley, Joel S Winston, Martina F Callaghan, Micah Allen, Thomas E Cope, Phillip E Gander, Doris-Eva Bamiou, Timothy D Griffiths
Misophonia is an affective sound-processing disorder characterized by the experience of strong negative emotions (anger and anxiety) in response to everyday sounds, such as those generated by other people eating, drinking, chewing, and breathing [1-8]. The commonplace nature of these sounds (often referred to as "trigger sounds") makes misophonia a devastating disorder for sufferers and their families, and yet nothing is known about the underlying mechanism. Using functional and structural MRI coupled with physiological measurements, we demonstrate that misophonic subjects show specific trigger-sound-related responses in brain and body...
February 20, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28145469/high-throughput-screen-detects-calcium-signaling-dysfunction-in-typical-sporadic-autism-spectrum-disorder
#17
Galina Schmunk, Rachel L Nguyen, David L Ferguson, Kenny Kumar, Ian Parker, J Jay Gargus
Autism spectrum disorder (ASD) is a heterogeneous group of neurodevelopmental disorders without any defined uniting pathophysiology. Ca2+ signaling is emerging as a potential node in the genetic architecture of the disorder. We previously reported decreased inositol trisphosphate (IP3 )-mediated Ca2+ release from the endoplasmic reticulum in several rare monogenic syndromes highly comorbid with autism - fragile X and tuberous sclerosis types 1 and 2 syndromes. We now extend those findings to a cohort of subjects with sporadic ASD without any known mutations...
February 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28030792/genomic-expression-differences-between-cutaneous-cells-from-red-hair-color-individuals-and-black-hair-color-individuals-based-on-bioinformatic-analysis
#18
Joan Anton Puig-Butille, Pol Gimenez-Xavier, Alessia Visconti, Jérémie Nsengimana, Francisco Garcia-García, Gemma Tell-Marti, Maria José Escamez, Julia Newton-Bishop, Veronique Bataille, Marcela Del Río, Joaquín Dopazo, Mario Falchi, Susana Puig
The MC1R gene plays a crucial role in pigmentation synthesis. Loss-of-function MC1R variants, which impair protein function, are associated with red hair color (RHC) phenotype and increased skin cancer risk. Cultured cutaneous cells bearing loss-of-function MC1R variants show a distinct gene expression profile compared to wild-type MC1R cultured cutaneous cells. We analysed the gene signature associated with RHC co-cultured melanocytes and keratinocytes by Protein-Protein interaction (PPI) network analysis to identify genes related with non-functional MC1R variants...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/27628905/lichen-amyloidosus-as-a-sweat-gland-duct-related-disorder-resolution-associated-with-restoration-of-sweating-disturbance
#19
MULTICENTER STUDY
Y Shimoda, Y Sato, Y Hayashida, Y Yamazaki, Y Mizukawa, K Nakajima, T Shiohara, Y Aoyama
BACKGROUND: Although a number of pathological processes resulting in amyloid deposition have been described in lichen amyloidosus (LA), no attention has been paid to the involvement of sweat glands/ducts in the pathogenesis of LA. According to recent studies, follicular structures are usually spared in serial histological sections of LA, and deposits of amyloid are likely to be confined to areas that display xerosis, suggesting that decreases in skin wetness by sweating disturbance seem to initiate LA...
May 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/27599581/bioinformatics-analysis-of-gene-expression-profiles-of-dermatomyositis
#20
Liang-Yuan Chen, Zhao-Lei Cui, Fan-Cui Hua, Weng-Jing Yang, Ye Bai, Feng-Hua Lan
Dermatomyositis (DM) is a type of autoimmune inflammatory myopathy, which primarily affects the skin and muscle. The underlying mechanisms of DM remain poorly understood. The present study aimed to explore gene expression profile alterations, investigate the underlying mechanisms, and identify novel targets for DM. The GSE48280 dataset, which includes data from five DM and five normal muscle tissue samples, was obtained from the Gene Expression Omnibus. Firstly, differentially expressed genes (DEGs) were screened by limma package in R...
October 2016: Molecular Medicine Reports
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