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https://www.readbyqxmd.com/read/28651010/macrophages-but-not-neutrophils-are-critical-for-proliferation-of-burkholderia-cenocepacia-and-ensuing-host-damaging-inflammation
#1
Jennifer Mesureur, Joana R Feliciano, Nelly Wagner, Margarida C Gomes, Lili Zhang, Monica Blanco-Gonzalez, Michiel van der Vaart, David O'Callaghan, Annemarie H Meijer, Annette C Vergunst
Bacteria of the Burkholderia cepacia complex (Bcc) can cause devastating pulmonary infections in cystic fibrosis (CF) patients, yet the precise mechanisms underlying inflammation, recurrent exacerbations and transition from chronic stages to acute infection and septicemia are not known. Bcc bacteria are generally believed to have a predominant extracellular biofilm life style in infected CF lungs, similar to Pseudomonas aeruginosa, but this has been challenged by clinical observations which show Bcc bacteria predominantly in alveolar macrophages...
June 26, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28646606/vismodegib-for-recurrent-locally-destructive-basal-cell-carcinoma-in-a-renal-transplant-patient
#2
P Koelblinger, R Dummer, M Laimer, S Hecht, J W Bauer, A Gaggl, A Kugler
Solid organ transplant patients are at an increased risk of developing cutaneous malignancies owing to long-lasting immunosuppression. The strongest increase in incidence (35-fold) has been reported for cutaneous squamous cell carcinoma [1]. Basal cell carcinoma (BCC) may occur even more frequently, especially during the first years after transplantation [2]. The hedgehog-inhibitor vismodegib has been safely used for the treatment of locally advanced or metastatic BCC in immunocompetent patients since 2012 [3]...
June 24, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28644812/a-self-adaptive-capacitive-compensation-technique-for-body-channel-communication
#3
Jingna Mao, Huazhong Yang, Yong Lian, Bo Zhao
In wireless body area network, capacitive-coupling body channel communication (CC-BCC) has the potential to attain better energy efficiency over conventional wireless communication schemes. The CC-BCC scheme utilizes the human body as the forward signal transmission medium, reducing the path loss in wireless body-centric communications. However, the backward path is formed by the coupling capacitance between the ground electrodes (GEs) of transmitter (Tx) and receiver (Rx), which increases the path loss and results in a body posture dependent backward impedance...
June 20, 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28644663/origin-of-structural-modulations-in-ultrathin-fe-films-on-cu-001
#4
Xie Zhang, Tilmann Hickel, Jutta Rogal, Jörg Neugebauer
Employing ab initio calculations we demonstrate that the complex structural modulations experimentally observed in ultrathin Fe films on Cu(001) originate from Fe bulk phases that arise under extreme deformations. Specifically, we show that the structural modulations correspond to the motifs observed when transforming fcc Fe to bcc Fe in the Pitsch orientation relationship [(001)_{fcc}||(11[over ¯]0)_{bcc}]. The observed structural equivalence between surface and unstable bulk structures naturally explains the experimentally reported magnetic and structural transitions when going from low (two to four MLs) to intermediate (four to ten MLs) film coverages...
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28642615/the-bethe-slater-curve-revisited-new-insights-from-electronic-structure-theory
#5
R Cardias, A Szilva, A Bergman, I Di Marco, M I Katsnelson, A I Lichtenstein, L Nordström, A B Klautau, O Eriksson, Y O Kvashnin
The Bethe-Slater (BS) curve describes the relation between the exchange coupling and interatomic distance. Based on a simple argument of orbital overlaps, it successfully predicts the transition from antiferromagnetism to ferromagnetism, when traversing the 3d series. In a previous article [Phys. Rev. Lett. 116, 217202 (2016)] we reported that the dominant nearestneighbour (NN) interaction for 3d metals in the bcc structure indeed follows the BS curve, but the trends through the series showed a richer underlying physics than was initially assumed...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28638810/common-malignant-cutaneous-conditions-among-albinos-in-kenya
#6
Seyed Emad Emadi, Andrew Juma Suleh, Farhang Babamahmoodi, Fatemeh Ahangarkani, Vanessa Betty Chelimo, Beatrice Mutai, Seyyed Reza Raeeskarami, Alireza Ghanadan, Seyed Naser Emadi
Background: Albinos in Africa are at constant risk of developing skin cancer due to the damage caused by ultra-violet exposure. This study identifies the common skin conditions among albinos in Kenya as a country located along the equator. Methods: In this descriptive study on albino patients who were admitted to Mbagathi District Hospital in Nairobi, Kenya the census method was used for sampling and a total of 151 albinos were registered. All necessary data including age, gender, type, site and the number of skin lesions were recorded...
2017: Medical Journal of the Islamic Republic of Iran
https://www.readbyqxmd.com/read/28636674/behavior-change-communication-activities-improve-infant-and-young-child-nutrition-knowledge-and-practice-of-neighboring-non-participants-in-a-cluster-randomized-trial-in-rural-bangladesh
#7
John Hoddinott, Ishita Ahmed, Akhter Ahmed, Shalini Roy
OBJECTIVE: To examine the impact on infant and young child nutrition knowledge and practice of mothers who were neighbors of mothers participating in a nutrition Behavior Change Communication (BCC) intervention in rural Bangladesh. METHODS: We analyzed data from 300 mothers whose neighbor participated in a nutrition BCC intervention and 600 mothers whose neighbor participated in an intervention that did not include BCC. We constructed measures capturing mothers' knowledge of infant and young child nutrition (IYCN) and measures of food consumption by children 6-24m...
2017: PloS One
https://www.readbyqxmd.com/read/28636260/lichenoid-keratosis-is-frequently-misdiagnosed-as-basal-cell-carcinoma
#8
D Maor, C Ondhia, L L Yu, J J Chan
Lichenoid keratosis (LK), also known as benign lichenoid keratosis or lichen planus-like keratosis, is a solitary, pink to red-brown scaly plaque representing a host immunological response to a variety of precursor lesions. LK is often misdiagnosed as a dermatological malignancy owing to its clinical resemblance to basal cell carcinoma (BCC) or Bowen disease. We performed a retrospective analysis of the pathology records of a series of LK lesions with reference to the demographic features and accuracy of clinical diagnosis...
June 21, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28634144/development-of-a-multiplex-pcr-assay-for-the-detection-and-differentiation-of-burkholderia-pseudomallei-burkholderia-mallei-burkholderia-thailandensis-and-burkholderia-cepacia-complex
#9
Irina Zakharova, Natalya Teteryatnikova, Andrey Toporkov, Dmitry Viktorov
Two species of Burkholderia pseudomallei complex (Bpc), B. pseudomallei and B. mallei, can cause severe life-threatening infections. Rapidly discerning individual species within the group and separating them from other opportunistic pathogens of the Burkholderia cepacia complex (Bcc) is essential to establish a correct diagnosis and for epidemiological surveillance. In this study, a multiplex PCR assay based on the detection of an individual set of chromosomal beta-lactamase genes for single-step identification and differentiation of B...
June 17, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28632797/approach-to-management-of-giant-basal-cell-carcinomas
#10
Sarah E Mott, William J Hunter, Edibaldo Silva, Christopher J Huerter
Basal cell carcinoma (BCC) is a common nonmelanoma skin cancer with increasing incidence in the United States and worldwide. It is strongly linked to UV radiation exposure and typically is slow growing. Malignancy in BCCs is due to local growth and invasion rather than metastasis, and the prognosis is generally favorable. We report the case of a 60-year-old man with a large, locally destructive giant BCC on the right side of the upper back that was successfully treated via complete surgical excision (SE) and did not recur in the subsequent 36 months...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28631369/inoperable-infiltrative-basal-cell-carcinoma-successfully-treated-with-vismodegib
#11
Omid Zargari, Seyyede Zeinab Azimi, Siamak Geranmayeh
Basal cell carcinoma (BCC) is the most common skin cancer but usually has a good prognosis. However, there is a subset of BCC cases with a less favorable prognosis. For patients with locally advanced, recurrent or metastatic BCCs who are not suitable for surgery or radiotherapy, small-molecule drug inhibitors of hedgehog pathway are a new therapeutic opportunity. Here, we present a case of infiltrative BCC with multiple recurrences. Wide excision with reconstructive plastic surgery was performed initially with adjuvant radiotherapy...
June 19, 2017: Dermatologic Therapy
https://www.readbyqxmd.com/read/28628151/-assessment-and-comparison-of-hospital-operating-efficiency-under-different-management-systems
#12
(no author information available yet)
OBJECTIVE: To assess and analyze the operation efficiency of 8 commission general public hospitals managed directly by National Health and Family Planning Commission and 8 municipal general hospitals managed directly by Beijing Municipal Administration of Hospitals in Beijing and to provide suggestions on improving service capacity and designing relevant health policy. METHODS: Input and output data of 8 commission hospitals and 8 municipal hospitals were obtained from Beijing Direct-Reported Health Statistics data from 2011 to 2014...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28626889/from-basal-cell-morphogenesis-to-the-alopecia-induced-by-hedgehog-inhibitors-connecting-the-dots
#13
REVIEW
C Dessinioti, C Antoniou, A J Stratigos
The deciphering of the hedgehog (Hh) signaling pathway implicated in the tumorigenesis of basal cell carcinoma (BCC), led to the development of targeted drug therapies, e.g. the hedgehog pathway inhibitors (HPI), vismodegib and sonidegib. In the skin, physiologic Hh signaling is activated in growing hair follicles, where it is required for proliferation of the epithelium of hair follicles during morphogenesis and for their postnatal growth. The effects of HPI treatment leading to the regression of BCC and the development of alopecia, underpin the central role of the Hh pathway in BCC formation as well as hair cycling...
June 18, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28622414/reflectance-confocal-microscopic-presentation-of-basosquamous-carcinoma
#14
A Oliveira, I Zalaudek
Basosquamous carcinoma (BSC) is considered a variant of basal cell carcinoma (BCC) associated with squamous differentiation.(1) It may display local aggressive behavior, and increased potential for recurrence and metastases.(2) Therefore, early and appropriate treatment will have prognostic repercussion. This article is protected by copyright. All rights reserved.
June 16, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28621948/insight-into-the-am-o-phase-equilibria-a-thermodynamic-study-coupling-high-temperature-xrd-and-calphad-modeling
#15
Enrica Epifano, Christine Guéneau, Renaud C Belin, Romain Vauchy, Florent Lebreton, Jean-Christophe Richaud, Alexis Joly, Christophe Valot, Philippe M Martin
In the frame of minor actinide transmutation, americium can be diluted in UO2 and (U, Pu)O2 fuels burned in fast neutron reactors. The first mandatory step to foresee the influence of Am on the in-reactor behavior of transmutation targets or fuel is to have fundamental knowledge of the Am-O binary system and, in particular, of the AmO2-x phase. In this study, we coupled HT-XRD (high-temperature X-ray diffraction) experiments with CALPHAD thermodynamic modeling to provide new insights into the structural properties and phase equilibria in the AmO2-x-AmO1...
June 16, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28619614/rapid-ex-vivo-examination-of-mohs-specimens-using-optical-coherence-tomography
#16
D Rashed, D Shah, A Freeman, R J Cook, C Hopper, C M Perrett
BACKGROUND: Mohs micrographic surgery (MMS) is an effective treatment for certain non-melanoma skin cancers. Optical coherence tomography (OCT) is a biomedical imaging modality that permits high-resolution imaging of the epidermis and dermis with the potential to detect both healthy tissue and tumour. OCT may also provide a means of detecting and differentiating between the various histological subtypes of basal cell carcinomas (BCC) in vivo. OBJECTIVE: The aim of this prospective ex vivo study was to evaluate the efficacy of OCT in recognising healthy and pathological margins of excised BCC lesions and detecting different BCC subtypes...
June 12, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28616153/a-multidisciplinary-approach-to-the-successful-management-of-gorlin-syndrome
#17
Ryan N Mello, Zaki Khan, Umar Choudry
Gorlin-Goltz syndrome (GGS) is a rare genetic syndrome with variable expressivity and autosomal dominant inheritance. The major features of GGS include numerous basal cell carcinomas (BCCs), keratocysts of the jaw, palmar/plantar pits and calcification of the falx cerebri. Authors report the case of a 51-year-old male with a 19-year history of GGS and multiple BCCs of the head and neck. He presented with a large ulcerating lesion on the right side of his face involving cutaneous, subcutaneous and muscular tissues of the temporal and orbital region...
June 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28615224/risk-of-second-malignancies-in-solid-organ-transplant-recipients-who-develop-keratinocyte%C3%A2-cancers
#18
Rachel Zamoiski, Elizabeth L Yanik, Todd M Gibson, Elizabeth K Cahoon, Margaret M Madeleine, Charles F Lynch, Sally Gustafson, Marc T Goodman, Melissa Skeans, Ajay Israni, Eric A Engels, Lindsay M Morton
Solid organ transplant recipients have increased risk for developing keratinocyte cancers (KC), including cutaneous squamous cell carcinoma (SCC) and basal cell carcinoma (BCC), in part as a result of immunosuppressive medications administered to prevent graft rejection. In the general population, KC are associated with increased risks of subsequent malignancy, however, the risk in organ transplant populations has not been evaluated. We addressed this question by linking the U.S. Scientific Registry of Transplant Recipients, which includes data on KC occurrence, with 15 state cancer registries...
June 14, 2017: Cancer Research
https://www.readbyqxmd.com/read/28613333/surface-lattice-dynamics-and-electron-phonon-interaction-in-cesium-ultra-thin-films
#19
D Campi, M Bernasconi, G Benedek, A P Graham, J P Toennies
The phonon dispersion curves of ultrathin films of Cs(110) on Pt(111) measured with inelastic helium atom scattering (HAS) are reported and compared with density-functional perturbation theory (DFPT) calculations. The combined HAS and DFPT analysis also sheds light on the bulk phonon dynamics of bcc-Cs, on which very little is known from neutron scattering due to its large neutron capture cross-section. Moreover the temperature dependence of the elastic HAS Debye-Waller exponent of Cs(110)/Cu(111) ultrathin films allows for an estimation of the electron-phonon coupling strength λ as a function of the film thickness...
June 14, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28612616/basal-cell-carcinoma-multiplicity-a-retrospective-analysis-of-899-biopsy-proven-patients-from-a-single-institute
#20
V Bartos, M Kullová
BACKGROUND: An interesting clinical feature of basal cell carcinoma (BCC) of the skin is a marked interpatient variation in tumor number, lesion accrual and anatomic distribution. We analyzed a proportion of patients with multiple BCCs in the cohort of pathology report-confirmed cases of BCC and investigated clinicopathological differences between individuals suffering from multiple tumor lesions and patients with a single tumor. MATERIAL AND METHODS: All consecutive patients with primary cutaneous BCCs, who were histologically diagnosed at our Department of Pathology during a 10-year period were enrolled into the study...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
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