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https://www.readbyqxmd.com/read/28445952/socs3-inhibits-the-pathological-effects-of-il-22-in-non-melanoma-skin-tumor-derived-keratinocytes
#1
Stefania Madonna, Claudia Scarponi, Martina Morelli, Rosanna Sestito, Pasqualina Liana Scognamiglio, Daniela Marasco, Cristina Albanesi
Basal cell carcinomas (BCC) and squamous-cell carcinomas (SCC) are common malignancies in humans, caused by neoplastic transformation of keratinocytes of the basal or suprabasal layers of epidermis, respectively. Tumor-infiltrating lymphocytes (TILs) are frequently found in BCC and SCC, and functionally promote epithelial carcinogenesis. TILs secreting IL-22, in particular, participate to BCC and SCC growth by inducing keratinocyte proliferation and migration, as well as the expression of inflammatory, anti-apoptotic and pro-angiogenic genes...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28442880/trichoscopic-patterns-in-squamous-cell-carcinoma-a-case-report
#2
Balachandra S Ankad, Mahajabeen Madarkar, Gourishetty Saipriya, Punit S Sakhare, Vijay D Dombale
Squamous cell carcinoma (SCC) is the second most cutaneous malignancy after basal cell carcinoma (BCC) with increasing incidence. In the view its nodular manifestation; it can appear similar to nodular BCC, atypical fibroxanthoma, sclerosing liposarcoma and desmoplastic melanoma. Prognostic and therapeutic implications are different in all these conditions and thus their distinction becomes important. Trichoscopy is a simple and non-invasive technique to visualize certain morphological features of skin lesions and it improves the diagnostic accuracy for melanocytic and nonmelanocytic pigmented lesions...
October 2016: International Journal of Trichology
https://www.readbyqxmd.com/read/28442720/lattice-dynamics-and-elasticity-for-%C3%AE%C2%B5-plutonium
#3
Per Söderlind
Lattice dynamics and elasticity for the high-temperature ε phase (body-centered cubic; bcc) of plutonium is predicted utilizing first-principles electronic structure coupled with a self-consistent phonon method that takes phonon-phonon interaction and strong anharmonicity into account. These predictions establish the first sensible lattice-dynamics and elasticity data on ε-Pu. The atomic forces required for the phonon scheme are highly accurate and derived from the total energies obtained from relativistic and parameter-free density-functional theory...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28442314/photodynamic-therapy-in-the-management-of-basal-cell-carcinoma-retrospective-evaluation-of-outcome
#4
Waseem Jerjes, Zaid Hamdoon, Colin Hopper
INTRODUCTION: Photodynamic therapy (PDT) is a relatively new method of treating various kinds of pathologies. In this retrospective study, a total of 148 patients with basal cell carcinoma (BCC) were treated with surface illumination methyl aminolevulinate - photodynamic therapy (MAL-PDT) or meta-tetrahydroxyphenylchlorin (mTHPC-PDT). Comparisons with the clinical features, rate of recurrence and overall outcome were made. MATERIALS AND METHODS: Surface illumination PDT was offered under local or general anaesthesia...
April 22, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28439038/pseudomonas-aeruginosa-derived-rhamnolipids-and-other-detergents-modulate-colony-morphotype-and-motility-in-the-burkholderia-cepacia-complex
#5
Steve P Bernier, Courtney Hum, Xiang Li, George A O'Toole, Nathan Magarvey, Michael G Surette
Competitive interactions mediated by released chemicals (e.g. toxins) are prominent in multispecies communities, but their effect at subinhibitory concentrations on susceptible bacteria is poorly understood. Although Pseudomonas aeruginosa and species of the Burkholderia cepacia complex (Bcc) can exist together as a co-infection in cystic fibrosis airways, P. aeruginosa toxins can kill Bcc species in vitro Consequently, these bacteria become an ideal in vitro model system to study the impact of sublethal levels of toxins on the biology of typical susceptible bacteria such as the Bcc when exposed to P...
April 24, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28433227/nonsurgical-therapies-for-basal-cell-carcinoma-a-review
#6
S Ariza, S Espinosa, M Naranjo
Basal cell carcinoma (BCC) is the most prevalent malignant tumor in humans and the local destruction of tissue that can result from excision has a significant impact on well-being. Treating BCC is costly for health care systems given the high incidence of this tumor, especially in older patients. Standard treatment involves either resection with histologic assessment of margins or Mohs micrographic surgery. Surgery is sometimes contraindicated, however, due to the presence of significant comorbidity or high cosmetic expectations...
April 19, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28432094/the-use-of-synthetic-hybrid-strains-to-determine-the-role-of-replicon-3-in-virulence-of-the-burkholderia-cepacia-complex
#7
Kirsty Agnoli, Roman Freitag, Margarida C Gomes, Christian Jenul, Angela Suppiger, Olga Mannweiler, Carmen Frauenknecht, Daniel Janser, Annette C Vergunst, Leo Eberl
The Burkholderia cepacia complex (Bcc) displays a wealth of metabolic diversity with great biotechnological potential, but the utilisation of these bacteria is limited by their opportunistic pathogenicity to humans. The third replicon of the Bcc, megaplasmid pC3 (0.5 to 1.4 Mb, previously chromosome 3), is important for various phenotypes, including virulence, antifungal and proteolytic activities, and the utilization of certain substrates. Approximately half of plasmid pC3 is well-conserved throughout sequenced Bcc members, while the other half is not...
April 21, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28430478/premelting-hcp-to-bcc-transition-in-beryllium
#8
Y Lu, T Sun, Ping Zhang, P Zhang, D-B Zhang, R M Wentzcovitch
Beryllium (Be) is an important material with wide applications ranging from aerospace components to x-ray equipment. Yet a precise understanding of its phase diagram remains elusive. We have investigated the phase stability of Be using a recently developed hybrid free energy computation method that accounts for anharmonic effects by invoking phonon quasiparticles. We find that the hcp → bcc transition occurs near the melting curve at 0<P<11  GPa with a positive Clapeyron slope of 41±4  K/GPa, which is more consistent with recent experimental measurements...
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28429105/increased-expression-of-upa-upar-and-pai-1-in-psoriatic-skin-and-in-basal-cell-carcinomas
#9
K A Rubina, V Yu Sysoeva, E I Zagorujko, Z I Tsokolaeva, M I Kurdina, Ye V Parfyonova, V A Tkachuk
There is substantial evidence implicating the urokinase system in tissue remodeling during neo-vascularization, inflammation, tumor invasion, and metastasis. Regulated degradation of the extracellular matrix at the leading edge of migrating cells, mediated by uPA and uPAR, is required for tissue remodeling, invasiveness, and angiogenesis. Psoriasis and basal cell carcinoma (BCC) are the most common skin diseases. Pathogenesis of both of them is associated with keratinocyte hyperproliferation, inflammatory cell migration, and angiogenesis-processes in which the plasminogen system (uPA, uPAR, tPA, and PAI-1) plays a crucial role...
April 20, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28428775/genomics-reveals-a-unique-clone-of-burkholderia-cenocepacia-harboring-an-actively-excising-novel-genomic-island
#10
Prashant P Patil, Swapna Mali, Samriti Midha, Vikas Gautam, Lona Dash, Sunil Kumar, Jayanthi Shastri, Lipika Singhal, Prabhu B Patil
Burkholderia cenocepacia is a clinically dominant form among the other virulent species of Burkholderia cepacia complex (Bcc). In the present study, we sequenced and analyzed the genomes of seven nosocomial Bcc isolates, five of which were isolated from the bloodstream infections and two isolates were recovered from the hospital setting during the surveillance. Genome-based species identification of the Bcc isolates using a type strain explicitly identified the species as B. cenocepacia. Moreover, single nucleotide polymorphism analysis revealed that the six isolates were clonal and phylogenetically distinct from the other B...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28421727/the-epidemic-spreading-of-basal-cell-carcinoma-incidence-trend-demographic-features-characteristics-and-risk-factors-in-a-retrospective-study-of-8557-lesions-in-bologna
#11
Valeria Gaspari, Annalisa Patrizi, Michela Venturi, Cosimo Misciali, Pier A Fanti
BACKGROUND: Basal cell carcinoma (BCC) has a rising incidence worldwide. The aim was to evaluate incidence trend, demographic features and risk factors for BCC in the area of Bologna in northern-central Italy. METHODS: All the consecutive histopathologically diagnosed BCCs at the Dermatology of the Bologna University from 1990 to 2014 were retrospectively reviewed. We evaluated the absolute number of BCCs, the demographic features of patients and the characteristics of BCCs with statistically significant correlations...
April 19, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28415240/density-functional-theory-for-fluid-solid-and-solid-solid-phase-transitions
#12
Atul S Bharadwaj, Yashwant Singh
We develop a theory to describe solid-solid phase transitions. The density functional formalism of classical statistical mechanics is used to find an exact expression for the difference in the grand thermodynamic potentials of the two coexisting phases. The expression involves both the symmetry conserving and the symmetry broken parts of the direct pair correlation function. The theory is used to calculate phase diagram of systems of soft spheres interacting via inverse power potentials u(r)=ε(σ/r)^{n}, where parameter n measures softness of the potential...
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28414587/non-melanoma-skin-cancer-new-and-future-synthetic-drug-treatments
#13
Teresa Amaral, Claus Garbe
Non-melanoma skin cancers (NMSC) mainly comprise two different entities: basal cell carcinoma (BCC) and squamous cell carcinoma (SCC); beneath these two entities, Merkel cell carcinoma, adnexal tumors, dermatofibrosarcoma protuberans, angiosarcoma, and cutaneous lymphoma belong to NMSC. These rare skin tumors are not the topic of this review. BCC and SCC are the most common cancers diagnosed in humans. The preferred treatment is surgery, which in most cases is curative. Although a high recurrence rate is seen, these cancers rarely metastasize...
May 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28414467/variation-of-bacterial-communities-with-water-quality-in-an-urban-tropical-catchment
#14
Jean Pierre Nshimyimana, Adam Joshua Ehrich Freedman, Peter Shanahan, Lloyd C H Chua, Janelle Renee Thompson
A major challenge for assessment of water quality in tropical environments is the natural occurrence and potential growth of Fecal Indicator Bacteria (FIB). To gain a better understanding of the relationship between measured levels of FIB and the distribution of sewage-associated bacteria including potential pathogens in the tropics this study compared the abundance of FIB (Total coliforms and E. coli) and the Bacteroidales (HF183 marker) with bacterial community structure determined by next-generation amplicon sequencing...
April 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28414022/cigarette-smoking-and-the-risks-of-basal-cell-carcinoma-and-squamous-cell-carcinoma
#15
J C Dusingize, C M Olsen, N P Pandeya, P Subramaniam, B S Thompson, R E Neale, A C Green, D C Whiteman
Sunlight is the principal environmental risk factor for keratinocyte cancers, but other carcinogens have also been implicated, including tobacco smoke. Findings have been conflicting however. We investigated associations between cigarette smoking and incidence of BCC or SCC in QSkin, a prospective study of skin cancer (n=43,794). Smoking history was self-reported at baseline; newly diagnosed BCCs and SCCs were ascertained through data linkage and verified by histopathology reports. We restricted analyses to white participants who at baseline reported no past history of skin cancer excisions and no more than 5 destructively-treated actinic skin lesions...
April 13, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28404762/implementation-of-systemic-hedgehog-inhibitors-in-daily-practice-as-neoadjuvant-therapy
#16
REVIEW
Nikki Tang, Desiree Ratner
The most common cancer in both men and women is basal cell carcinoma (BCC). Although most primary and recurrent BCCs have high cure rates with standard therapies, advanced BCCs present a greater treatment challenge, especially in cosmetically and functionally sensitive areas. In patients unable to undergo surgery or radiation therapy, hedgehog inhibitors can be used neoadjuvantly to reduce tumor size, decreasing the extent and complexity of any subsequent surgery and providing either a cure or palliation. The goal of this review is to summarize the pharmacology, efficacy, and safety of systemic hedgehog inhibitors, as well as their role in daily practice as neoadjuvant therapy...
April 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28403527/basal-cell-carcinoma-cd56-and-cytokeratin-5-6-staining-patterns-in-the-differential-diagnosis-with-merkel-cell-carcinoma
#17
Gauri Panse, Jennifer M McNiff, Christine J Ko
BACKGROUND: Basal cell carcinoma (BCC) can resemble Merkel cell carcinoma (MCC) on histopathological examination and while CK20 is a useful marker in this differential, it is occasionally negative in MCC. CD56, a sensitive marker of neuroendocrine differentiation, is sometimes used to identify MCC, but has been reportedly variably positive in BCC as well. In contrast, CK5/6 consistently labels BCC but is not expressed in neuroendocrine tumors. METHODS: We evaluated twenty cases of BCC for the pattern of CD56 and cytokeratin 5/6 (CK5/6) staining, hypothesizing that these two stains could differentiate BCC from MCC in difficult cases...
April 12, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28398061/modified-anion-packing-of-na2b12h12-in-close-to-room-temperature-superionic-conductors
#18
Yolanda Sadikin, Pascal Schouwink, Matteo Brighi, Zbigniew Łodziana, Radovan Černý
Three different types of anion packing, i.e., hexagonal close packed (hcp), cubic close packed (ccp), and body centered cubic (bcc), are investigated experimentally and with ab initio calculations in the model system Na2B12H12. Solvent free and water assisted mechanical grinding provide polycrystalline samples for temperature-dependent synchrotron radiation X-ray powder diffraction and electrochemical impedance spectroscopy. It is shown that among the common close packed lattices, the hcp anionic backbone creates very favorable conditions for three-dimensional ionic conduction pathways, comprised of O-O, T-T, and T-O-T (O for octahedral, T for tetrahedral) cation hops...
April 11, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28392293/burden-and-treatment-patterns-of-advanced-basal-cell-carcinoma-among-commercially-insured-patients-in-a-united-states-database-from-2010-to-2014
#19
Michael Migden, Jipan Xie, Jin Wei, Wenxi Tang, Vivian Herrera, Jacqueline B Palmer
BACKGROUND: The burden of advanced basal cell carcinoma (aBCC) is not fully understood. OBJECTIVE: To compare BCC disease burden and treatment patterns for aBCC with those for non-aBCC. METHODS: A retrospective, insurance claims-based study design was used. Adults with ≥2 claims associated with a BCC diagnosis (ICD-9-CM 173.x1) separated by ≥30 days on or after October 1, 2011, were classified as aBCC or non-aBCC by using an algorithm based on metastasis diagnosis, radiation therapy use, and medical oncologist/other specialist use...
April 6, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28391599/one-stop-shop-with-confocal-microscopy-imaging-versus-standard-care-for-surgical-treatment-of-basal-cell-carcinoma-an-open-label-non-inferiority-randomized-controlled-multicenter-trial
#20
D J Kadouch, Y S Elshot, B Zupan-Kajcovski, A S E van Haersma de With, A C van der Wal, M Leeflang, K Jóźwiak, A Wolkerstorfer, M W Bekkenk, P I Spuls, M A de Rie
BACKGROUND: Routine punch biopsies are considered as the standard care to diagnose and subtype basal cell carcinoma (BCC) when clinically suspected. OBJECTIVES: We assessed the efficacy of a one-stop-shop concept using in vivo reflectance confocal microscopy imaging (RCM) as diagnostic tool versus standard care for surgical treatment in patients with clinically suspected BCC. METHODS: In this open-label, parallel-group, non-inferiority, randomized controlled multicenter trial we enrolled patients with clinically suspected BCC at two tertiary referral centers in Amsterdam, the Netherlands...
April 9, 2017: British Journal of Dermatology
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