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https://www.readbyqxmd.com/read/27914118/blue-lymphangitis-of-the-breast-after-breast-cancer-case-report
#1
Alexandra Arfi, Alice Clavier, Jean F Honart, Samy Ammari, Zahira Merabet, Christine Mateus, Julia Arfi-Rouche
Carcinomatous lymphangitis accounts for 5% of all skin metastases, but blue lymphangitis of the breast has never been described. We report a case of blue lymphangitis of the breast in a patient 11 years after treatment for ipsilateral breast cancer that was in full remission. Breast examination and imaging showed no other abnormalities. Skin biopsy revealed a carcinomatous-pigmented infiltration corresponding to melanoma metastasis, which helped highlight a primitive right flank injury. This case report emphasizes that a full body exam should always be performed with unusual presentation of breast cancer and reiterates the indispensable place of histology before any diagnosis...
December 3, 2016: Breast Journal
https://www.readbyqxmd.com/read/27913397/prospective-study-of-ultraviolet-radiation-exposure-and-thyroid-cancer-risk-in-the-united-states
#2
Rachel D Zamoiski, Elizabeth K Cahoon, D Michal Freedman, Martha S Linet, Cari M Kitahara
BACKGROUND: Thyroid cancer incidence has tripled in the past three decades, yet relatively few risk factors have been identified. Some studies have suggested that ultraviolet radiation (UVR) may affect thyroid cancer risk. METHODS: We conducted a prospective analysis of 44,039 participants in the United States Radiologic Technologists study (153 thyroid cancer cases) from all 50 states. We examined the association between risk of thyroid cancer and exposure to UVR, estimated by ambient UVR, time outdoors, and a combined variable...
December 2, 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27913066/prophylactic-treatment-with-a-potent-corticosteroid-cream-ameliorates-radiodermatitis-independent-of-radiation-schedule-a-randomized-double-blinded-study
#3
Eva Ulff, Marianne Maroti, Jörgen Serup, Mats Nilsson, Ursula Falkmer
BACKGROUND AND PURPOSE: The study will test the hypothesis that preventive topical steroid treatment instituted from start of radiotherapy can ameliorate acute radiation dermatitis. Subgroups of increased risk of dermatitis are included. MATERIAL AND METHODS: A double blinded randomized trial in patients with breast cancer receiving adjuvant radiotherapy (RT) after surgery. In total, 202 patients were randomized to betamethasone-17-valerate cream or Essex® cream, a moisturizer...
November 29, 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/27912881/anti-metastatic-potential-of-resveratrol-and-its-metabolites-by-the-inhibition-of-epithelial-mesenchymal-transition-migration-and-invasion-of-malignant-cancer-cells
#4
REVIEW
Cho-Won Kim, Kyung-A Hwang, Kyung-Chul Choi
BACKGROUND: Increased epithelial-mesenchymal transition (EMT) and cell migration and invasion abilities of cancer cells play important roles in the metastatic process of cancer. Resveratrol is a stilbenoid, a type of natural polyphenol found in the skin of grapes, berries, and peanuts. A number of experiments have examined resveratrol's ability to target diverse pathways associated with carcinogenesis and cancer progression. PURPOSE: This article aims to present updated overview of the knowledge that resveratrol and its metabolites or analogs have the potential to inhibit metastasis of cancer via affecting many signaling pathways related with EMT, cancer migration, and invasion in diverse organs of the body...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27912760/update-on-recent-preclinical-and-clinical-studies-of-t790m-mutant-specific-irreversible-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitors
#5
REVIEW
Bin-Chi Liao, Chia-Chi Lin, Jih-Hsiang Lee, James Chih-Hsin Yang
The first- and second-generation epidermal growth factor receptor tyrosine kinase inhibitors (1/2G EGFR-TKIs) gefitinib, erlotinib, and afatinib have all been approved as standard first-line treatments for advanced EGFR mutation-positive non-small cell lung cancer. The third-generation (3G) EGFR-TKIs have been developed to overcome the EGFR T790M mutation, which is the most common mechanism of acquired resistance to 1/2G EGFR-TKI treatment. This resistance mutation develops in half of the patients who respond to 1/2G EGFR-TKI therapy...
December 3, 2016: Journal of Biomedical Science
https://www.readbyqxmd.com/read/27911904/dressing-wear-time-after-breast-reconstruction-a-randomized-clinical-trial
#6
Daniela Francescato Veiga, Carlos Américo Veiga Damasceno, Joel Veiga-Filho, Luiz Francisley Paiva, Fernando Elias Martins Fonseca, Isaías Vieira Cabral, Natália Lana Larcher Pinto, Yara Juliano, Lydia Masako Ferreira
BACKGROUND: The evidence to support dressing standards for breast surgery wounds is empiric and scarce. OBJECTIVE: This two-arm randomized clinical trial was designed to assess the effect of dressing wear time on surgical site infection (SSI) rates, skin colonization and patient perceptions. METHODS: A total of 200 breast cancer patients undergoing breast reconstruction were prospectively enrolled. Patients were randomly allocated to group I (dressing removed on the first postoperative day, n = 100) or group II (dressing removed on the sixth postoperative day, n = 100)...
2016: PloS One
https://www.readbyqxmd.com/read/27911450/uveal-melanoma-relatively-rare-but-deadly-cancer
#7
REVIEW
S Kaliki, C L Shields
Although it is a relatively rare disease, primarily found in the Caucasian population, uveal melanoma is the most common primary intraocular tumor in adults with a mean age-adjusted incidence of 5.1 cases per million per year. Tumors are located either in iris (4%), ciliary body (6%), or choroid (90%). The host susceptibility factors for uveal melanoma include fair skin, light eye color, inability to tan, ocular or oculodermal melanocytosis, cutaneous or iris or choroidal nevus, and BRCA1-associated protein 1 mutation...
December 2, 2016: Eye
https://www.readbyqxmd.com/read/27909467/invasive-squamous-cell-carcinoma-of-the-scalp-and-calvarium-a-multidisciplinary-approach
#8
Jennifer Stark, Silvio Podda, Karen Szymanski
Objective: The correlation between immunosuppression-associated skin cancer and lymphoma has been well established. This includes squamous cell carcinoma and chronic lymphocytic leukemia. When a lesion requires excision, reconstruction can be challenging based on the depth and size of the tumor. We present a patient with chronic lymphocytic leukemia and invasive squamous cell carcinoma of the scalp that extended through the calvarium to the dura mater. His tumors were badly neglected for a long period of time and presented at an advanced stage...
2016: Eplasty
https://www.readbyqxmd.com/read/27907906/senescent-fibroblast-derived-chemerin-promotes-squamous-cell-carcinoma-migration
#9
Vida Farsam, Abhijit Basu, Martina Gatzka, Nicolai Treiber, Lars A Schneider, Medhanie A Mulaw, Tanja Lucas, Stefan Kochanek, Reinhard Dummer, Mitchell P Levesque, Meinhard Wlaschek, Karin Scharffetter-Kochanek
Aging is associated with a rising incidence of cutaneous squamous cell carcinoma (cSCC), an aggressive skin cancer with the potential for local invasion and metastasis. Acquisition of a senescence-associated secretory phenotype (SASP) in dermal fibroblasts has been postulated to promote skin cancer progression in elderly individuals. The underlying molecular mechanisms are largely unexplored. We show that Chemerin, a previously unreported SASP factor released from senescent human dermal fibroblasts, promotes cSCC cell migration, a key feature driving tumor progression...
November 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27907881/effect-of-toad-skin-extracts-on-the-pain-behavior-of-cancer-model-mice-and-its-peripheral-mechanism-of-action
#10
Tao Chen, Shen-Jun Yuan, Xue-Qin Yu, Liang-Bo Jiao, Wei Hu, Wang-Long Chen, Bo Xie
The changes in thermal and mechanical hyperalgesia in paw cancer pain model mice and the action mechanism of toad skin extracts (TSE) was investigated. Eighty female mice were subcutaneously injected with saline or inoculated with H22 hepatoma cells in the right hind paw and administration with saline, vehicle, morphine and TSE. The pain behavior was recorded before treatment and at 0.5, 1.0, 1.5, 3 and 6h after initial administration, and thereafter on the 2nd, 4th, 6th, and 8th day after administration. On the last day, samples were collected after the euthanasia for the detection of β-END, CRF, IL-1β, POMC, μ-OR, CD3+, CD8+ and CD4+ in sera and the tumor tissues...
November 28, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27906923/-out-of-the-frying-pan-but-not-into-the-fire-quantifying-commercial-cosmetic-tanning-services-in-new-zealand-to-inform-endgame-regulation
#11
Bronwen M McNoe, Anthony I Reeder
AIMS: In the context of possible regulation, to quantify and describe: (1) indoor tanning businesses in New Zealand; (2) sunbeds available for sale on Trade Me©. METHOD: In January 2016, we conducted a national audit of businesses potentially providing sunbed services (solariums, beauty-salons, hairdressers, gyms and fitness centres) to assess the availability and cost of indoor tanning services (sunbeds and spray tanning). In addition, Trade Me©, New Zealand's largest auction site for second-hand goods, was monitored for one year to determine whether ex-commercial sunbeds were being sold in the domestic market...
December 2, 2016: New Zealand Medical Journal
https://www.readbyqxmd.com/read/27906694/follicular-malignant-melanoma-a-rare-morphologic-variant-of-melanoma-report-of-a-case-and-review-of-the-literature
#12
Iona Chapman, Sharon Horton, Wenhua Liu
Follicular malignant melanoma (FMM) is an exceedingly rare variant of melanoma. Only 8 cases have been reported in the literature thus far. Often bland on physical examination, FMM shows a striking histologic pattern, with atypical melanocytes sometimes consuming the entire follicle and extending into the dermis. Criteria have been suggested to help distinguish FMM from lentigo maligna melanoma; however, no clear criteria distinguish this cancer clinically. FMM cannot be distinguished from follicular metastases of melanoma based on histology, requiring close clinical correlation and detailed history taking on the part of the practitioner...
November 29, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27906449/differential-mutation-frequencies-in-metastatic-cutaneous-squamous-cell-carcinomas-versus-primary-tumors
#13
Ayse Selen Yilmaz, Hatice Gulcin Ozer, Jessica L Gillespie, Dawn C Allain, Madison N Bernhardt, Karina Colossi Furlan, Leticia T F Castro, Sara B Peters, Priyadharsini Nagarajan, Stephen Y Kang, O Hans Iwenofu, Thomas Olencki, Theodoros N Teknos, Amanda Ewart Toland
BACKGROUND: Exome and targeted sequencing studies have identified potential driver mutations for a variety of tumor types. Cutaneous squamous cell carcinoma (cSCC) is one of the most highly mutated cancers but typically is associated with low rates of metastasis and high survival rates. Nevertheless, metastatic cSCC is a significant health threat; up to 8800 individuals die each year of this disease. METHODS: Because it is difficult to predict which cSCCs are more likely to metastasize, and because to the best of the authors' knowledge there are no targeted therapies specifically designated for patients with metastatic cSCC, exome and/or targeted sequencing of 18 metastatic and 10 primary cSCCs was performed to identify mutations that were more frequent in metastatic tumors and might be targeted for therapeutic benefit...
December 1, 2016: Cancer
https://www.readbyqxmd.com/read/27906147/biogenic-synthesis-of-silver-nanoparticles-from-cassia-fistula-linn-in-vitro-assessment-of-their-antioxidant-antimicrobial-and-cytotoxic-activities
#14
Yugal Kishore Mohanta, Sujogya Kumar Panda, Kunal Biswas, Abiral Tamang, Jaya Bandyopadhyay, Debashis De, Dambarudhar Mohanta, Akshaya Kumar Bastia
The present study reports on biogenic-synthesised silver nanoparticles (AgNPs) derived by treating Ag ions with an extract of Cassia fistula leaf, a popular Indian medicinal plant found in natural habitation. The progress of biogenic synthesis was monitored time to time using a ultraviolet-visible spectroscopy. The effect of phytochemicals present in C. fistula including flavonoids, tannins, phenolic compounds and alkaloids on the homogeneous growth of AgNPs was investigated by Fourier-transform infrared spectroscopy...
December 2016: IET Nanobiotechnology
https://www.readbyqxmd.com/read/27906042/what-is-the-impact-of-biologic-therapies-on-common-co-morbidities-in-patients-with-rheumatoid-arthritis
#15
REVIEW
Jenny Humphreys, Kimme Hyrich, Deborah Symmons
Biologic therapies have revolutionised disease control in patients with rheumatoid arthritis (RA). Theoretically, they have the potential to influence co-morbid disease associated with RA through better control of systemic inflammation. Conversely, co-morbidity may occur as an adverse effect of the drugs. The latest evidence from observational data shows an increased risk of infection in the first 6 months of treatment with tumour necrosis factor inhibitor (TNFi) therapies and potentially other biologic therapies...
December 1, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27905298/haploinsufficiency-of-the-folliculin-gene-leads-to-impaired-functions-of-lung-fibroblasts-in-patients-with-birt-hogg-dub%C3%A3-syndrome
#16
Yoshito Hoshika, Fumiyuki Takahashi, Shinsaku Togo, Muneaki Hashimoto, Takeshi Nara, Toshiyuki Kobayashi, Fariz Nurwidya, Hideyuki Kataoka, Masatoshi Kurihara, Etsuko Kobayashi, Hiroki Ebana, Mika Kikkawa, Katsutoshi Ando, Koichi Nishino, Okio Hino, Kazuhisa Takahashi, Kuniaki Seyama
Birt-Hogg-Dubé syndrome (BHDS) is an autosomal dominant inherited disorder caused by germline mutations in the FLCN gene, and characterized by skin fibrofolliculomas, multiple lung cysts, spontaneous pneumothorax, and renal neoplasms. Pulmonary manifestations frequently develop earlier than other organ involvements, prompting a diagnosis of BHDS However, the mechanism of lung cyst formation and pathogenesis of pneumothorax have not yet been clarified. Fibroblasts were isolated from lung tissues obtained from patients with BHDS (n = 12) and lung cancer (n = 10) as controls...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27904651/sunitinib-in-the-treatment-of-metastatic-renal-cell-carcinoma
#17
REVIEW
Thomas A Schmid, Martin E Gore
Sunitinib is an oral multi-targeted tyrosine kinase inhibitor (TKI) that targets various receptors, including vascular endothelial growth factor receptors (VEGFRs). Sunitinib received approval in 2006 and became a standard treatment option in the first-line treatment of metastatic renal cell cancer (mRCC) after a phase III trial showed superiority compared with interferon alpha (IFN-α). Sunitinib has also shown activity in second-line treatment in several trials. Most of the combination trials with sunitinib with various agents have led to considerable toxicity without improving efficacy...
December 2016: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/27904610/effects-of-air-pollution-on-human-health-and-practical-measures-for-prevention-in-iran
#18
REVIEW
Adel Ghorani-Azam, Bamdad Riahi-Zanjani, Mahdi Balali-Mood
Air pollution is a major concern of new civilized world, which has a serious toxicological impact on human health and the environment. It has a number of different emission sources, but motor vehicles and industrial processes contribute the major part of air pollution. According to the World Health Organization, six major air pollutants include particle pollution, ground-level ozone, carbon monoxide, sulfur oxides, nitrogen oxides, and lead. Long and short term exposure to air suspended toxicants has a different toxicological impact on human including respiratory and cardiovascular diseases, neuropsychiatric complications, the eyes irritation, skin diseases, and long-term chronic diseases such as cancer...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27903865/imaging-mitochondrial-dynamics-in-human-skin-reveals-depth-dependent-hypoxia-and-malignant-potential-for-diagnosis
#19
Dimitra Pouli, Mihaela Balu, Carlo A Alonzo, Zhiyi Liu, Kyle P Quinn, Francisca Rius-Diaz, Ronald M Harris, Kristen M Kelly, Bruce J Tromberg, Irene Georgakoudi
Active changes in mitochondrial structure and organization facilitate cellular homeostasis. Because aberrant mitochondrial dynamics are implicated in a variety of human diseases, their assessment is potentially useful for diagnosis, therapy, and disease monitoring. Because current techniques for evaluating mitochondrial morphology are invasive or necessitate mitochondria-specific dyes, their clinical translation is limited. We report that mitochondrial dynamics can be monitored in vivo, within intact human skin by relying entirely on endogenous two-photon-excited fluorescence from the reduced metabolic coenzyme nicotinamide adenine dinucleotide (NADH)...
November 30, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27903752/hexim1-as-a-robust-pharmacodynamic-marker-for-monitoring-target-engagement-of-bet-family-bromodomain-inhibitors-in-tumors-and-surrogate-tissues
#20
Xiaoyu Lin, Xiaoli Huang, Tamar Uziel, Paul Hessler, Daniel H Albert, Lisa A Roberts-Rapp, Keith F McDaniel, Warren M Kati, Yu Shen
An increasing number of BET family protein inhibitors have recently entered clinical trials. It has been reported that attempts of monitoring target engagement of the BET bromodomain inhibitor OTX015 using literature-described putative pharmacodynamic (PD) markers such as c-Myc, BRD2, etc. failed to detect PD marker responses in AML patients treated at active dose and those with clinical responses. Here we report the identification and characterization of HEXIM1 and other genes as robust PD markers for BET inhibitors...
November 30, 2016: Molecular Cancer Therapeutics
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