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https://www.readbyqxmd.com/read/29331748/safety-and-efficacy-of-anti-programmed-death-1-antibodies-in-patients-with-cancer-and-pre-existing-autoimmune-or-inflammatory-disease
#1
François-Xavier Danlos, Anne-Laure Voisin, Valérie Dyevre, Jean-Marie Michot, Emilie Routier, Laurent Taillade, Stéphane Champiat, Sandrine Aspeslagh, Julien Haroche, Laurence Albiges, Christophe Massard, Nicolas Girard, Stéphane Dalle, Benjamin Besse, Salim Laghouati, Jean-Charles Soria, Christine Mateus, Caroline Robert, Emilie Lanoy, Aurélien Marabelle, Olivier Lambotte
OBJECTIVE: Patients with autoimmune or inflammatory disease (AID) are susceptible to immune-related adverse events (irAEs) when treated with immune check-point inhibitors (ICIs). We decided to analyse the safety and effectiveness of anti-PD-1 antibodies in AID patients and look for an association between the presence of pre-existing AID and the clinical outcome. METHODS: In a prospective study of the REISAMIC registry of grade ≥2 irAEs occurring in ICI-treated patients, we studied the associations between pre-existing AID on one hand and irAE-free survival, overall survival and best objective response rate on the other...
January 10, 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29274094/folliculotropism-in-pigmented-facial-macules-differential-diagnosis-with-reflectance-confocal-microscopy
#2
F Persechino, N De Carvalho, S Ciardo, B De Pace, A Casari, J Chester, S Kaleci, I Stanganelli, C Longo, F Farnetani, G Pellacani
Pigmented facial macules are common on sun damage skin. The diagnosis of early stage lentigo maligna (LM) and lentigo maligna melanoma (LMM) is challenging. Reflectance confocal microscopy (RCM) has been proven to increase diagnostic accuracy of facial lesions. A total 154 pigmented facial macules, retrospectively collected, were evaluate for the presence of already described RCM features and new parameters depicting aspects of the follicle . Melanocytic nests, roundish pagetoid cells, follicular infiltration, bulgings from the follicles and many bright dendrites, and infiltration of the hair follicle (i...
December 22, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/29245925/histopathological-expression-analysis-of-intercellular-adhesion-molecule-1-icam-1-along-development-and-progression-of-human-melanoma
#3
Gilli Galore-Haskel, Erez N Baruch, Amy L Berg, Iris Barshack, Itzhak Zilinsky, Camila Avivi, Michal J Besser, Jacob Schachter, Gal Markel
Intercellular adhesion molecule 1 (ICAM-1) protein is an important adhesion molecule that facilitates metastasis on one hand, and on the other hand supports the immunological synapse necessary for T-cell mediated elimination. The expression pattern of ICAM-1 in melanoma was studied more than two decades ago, mainly in cell lines or in unmatched melanoma specimens. By using real time PCR we could not demonstrate a clear difference in ICAM-1 mRNA levels between primary melanocytes and primary cultures of metastatic melanoma...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29237090/distinctive-cutaneous-and-systemic-features-associated-with-specific-anti-myositis-antibodies-in-adults-with-dermatomyositis-a-prospective-multicentric-study-of-117-patients
#4
M Best, M Jachiet, N Molinari, F Manna, C Girard, V Pallure, A Cosnes, D Lipsker, T Hubiche, J-L Schmutz, Y Le Corre, N Cordel, M Dandurand, O Dereure, B Guillot, A Du-Thanh, C Bulai Livideanu, F Chasset, J-D Bouaziz, C Francès, D Bengoufa, T Vincent, D Bessis
BACKGROUND: Identification of myositis-specific autoantibodies (MSA) for dermatomyositis (DM) could allow the characterization of an antibody-associated clinical phenotype. OBJECTIVE: We sought to define the clinical phenotype of DM and the risk of cancer, interstitial lung disease (ILD) and calcinosis based on MSA. METHODS: A 3.5-year multicenter prospective study of adult DM patients was conducted to determine the clinical phenotype associated with MSA and the presence of cancer, ILD and calcinosis...
December 13, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29198644/the-diagnostic-usefulness-of-the-negative-electroretinogram
#5
C Fuente García, J J González-López, F J Muñoz-Negrete, G Rebolleda
The definition of the negative response of the full field electroretinogram is the presence of a b-wave with less amplitude than the a-wave (b/a ratio<1) in the combined response of cones and rods. The presence of this pattern reflects an alteration in the bipolar cells, the Müller cells, or in the transmission of the stimulus from the photoreceptors to the bipolar cells, with preserved photoreceptor function. This finding can be seen bilaterally and symmetrically in different hereditary conditions, such as congenital stationary night blindness, juvenile X-linked retinoschisis, and Duchenne and Becker muscular dystrophies...
November 30, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/29166507/pigmented-bowen-s-disease-associated-with-high-risk-hpv-simulating-melanoma-of-the-hand
#6
Rute Facchini Lellis, John Verrinder Veasey, Renata Diniz Jacques Gonçalves
Bowen's disease is an in situ squamous cell carcinoma of the skin with only 2% of pigmented cases reported. It is clinically characterized by papules and plaques of blackened surface that may be caused either by sun damage - usually in photoexposed areas in elderly individuals - or by human papillomavirus infection - usually in the anogenital region of young adults. Dermoscopic aspects of Bowen's disease are discussed for over a decade, but with no definitive criteria that would lead to a definitive diagnosis...
September 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/29142760/outcomes-of-primary-endoresection-for-choroidal-melanoma
#7
Andre A C Vidoris, Andre Maia, Marcia Lowen, Melina Morales, Jordan Isenberg, Bruno F Fernandes, Rubens N Belfort
Purpose: To review long time treatment results in patients with small or medium sized choroidal melanoma who underwent surgical tumor endoresection as a primary treatment when plaque radiotherapy was unable and patients declined enucleation. Materials and methods: Patients were evaluated for best corrected visual acuity (BCVA), and underwent biomicroscopy, indirect ophthalmoscopy, retinography and ultrasound as well as the usual systemic workup. Study inclusion required the absence of scleral invasion or metastasis and an anterior margin not exceeding the pars plana or the ciliary body...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/29137261/enhanced-response-of-melanoma-cells-to-mek-inhibitors-following-unbiased-igf-1r-down-regulation
#8
Naida Suleymanova, Caitrin Crudden, Claire Worrall, Anica Dricu, Ada Girnita, Leonard Girnita
Due to its ability to compensate for signals lost following therapeutic MAPK-inhibition, insulin-like growth factor type 1 receptor (IGF-1R) co-targeting is a rational approach for melanoma treatment. However IGF-1R conformational changes associated with its inhibition can preferentially activate MAPK-pathway in a kinase-independent manner, through a process known as biased signaling. We explored the impact of biased IGF-1R signaling, on response to MAPK inhibition in a panel of skin melanoma cell lines with differing MAPK and p53 mutation statuses...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29124688/uv-induced-molecular-signaling-differences-in-melanoma-and-non-melanoma-skin-cancer
#9
Feng Liu-Smith, Jinjing Jia, Yan Zheng
There are three major types of skin cancer: melanoma, basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). BCC and SCC are often referred to as non-melanoma skin cancer (NMSC). NMSCs are relatively non-lethal and curable by surgery, hence are not reportable in most cancer registries all over the world. Melanoma is the deadliest skin cancer. Its incidence rate (case number) is about 1/10th of that for NMSC, yet its death toll is ~8 fold higher than NMSC.Melanomas arise from melanocytes which are normally located on the basement membrane with dendrites extending into the epidermal keratinocytes...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29102967/missed-opportunity-to-diagnose-subungual-melanoma-potential-pitfalls
#10
Louise Dunphy, Rossell Morhij, Yash Verma, Andrew Pay
Subungual melanoma, an uncommon form of acral melanoma that arises within the nail matrix, accounts for 1%-3% of all cutaneous melanoma in Caucasians. As subungual melanoma presents in a more disguised manner than cutaneous lesions, increased vigilance is required. It most commonly presents as a discolouration of the nail, nail splitting or nail-bed bleeding. Black pigmentation of the adjacent nail fold, termed Hutchinson's sign, may be a diagnostic clue. Treatment of subungual melanoma remains surgical with wide local excision and amputation primary modalities...
November 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29063342/microradiopharmaceutical-for-metastatic-melanoma
#11
Thiago Goulart Rosa, Sofia Nascimento Dos Santos, Terezina de Jesus Andreoli Pinto, Daniele Dal Molim Ghisleni, Thereza Christina Barja-Fidalgo, Eduardo Ricci-Junior, Mohammed Al-Qahtani, Jan Kozempel, Emerson Soares Bernardes, Ralph Santos-Oliveira
PURPOSE: The purpose of this article was to develop, characterize and test (in vivo) dacarbazine microparticles that may be labeled with 99mTc and Ra-223 for both use: diagnostic and therapy of metastatic melanoma. METHODS: We developed by double emulsion solvent evaporation methodology the microparticle. The characterization has been done using, Dynamic Light Scattering (DLS) and Scanning Electron Microscopy (SEM). The labeling with 99mTc and Ra-223 has been done by the direct labeling process...
October 23, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/29057046/synthesis-and-pharmacological-evaluation-of-selective-histone-deacetylase-6-inhibitors-in-melanoma-models
#12
Maurício T Tavares, Sida Shen, Tessa Knox, Melissa Hadley, Zsófia Kutil, Cyril Bařinka, Alejandro Villagra, Alan P Kozikowski
Only a handful of therapies offer significant improvement in the overall survival in cases of melanoma, a cancer whose incidence has continued to rise in the past 30 years. In our effort to identify potent and isoform-selective histone deacetylase (HDAC) inhibitors as a therapeutic approach to melanoma, a series of new HDAC6 inhibitors based on the nexturastat A scaffold were prepared. The new analogues 4d, 4e, and 7b bearing added hydrophilic substituents, so as to establish additional hydrogen bonding on the rim of the HDAC6 catalytic pocket, exhibit improved potency against HDAC6 and retain selectivity over HDAC1...
October 12, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28988380/tumor-infiltrating-immune-cells-as-potential-biomarkers-predicting-response-to-treatment-and-survival-in-patients-with-metastatic-melanoma-receiving-ipilimumab-therapy
#13
Tímea Balatoni, Anita Mohos, Eszter Papp, Tímea Sebestyén, Gabriella Liszkay, Judit Oláh, Anita Varga, Zsuzsanna Lengyel, Gabriella Emri, István Gaudi, Andrea Ladányi
Monoclonal antibodies targeting immune checkpoints are gaining ground in the treatment of melanoma and other cancers, and considerable effort is made to identify biomarkers predicting the efficacy of these therapies. Our retrospective study was performed on surgical tissue samples (52 lymph nodes and 34 cutaneous/subcutaneous metastases) from 30 patients with metastatic melanoma treated with ipilimumab. Using a panel of 11 antibodies against different immune cell types, intratumoral immune cell densities were determined and evaluated in relation to response to ipilimumab treatment and disease outcome...
October 7, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28983955/associations-between-anti-melanoma-differentiation-associated-gene-5-antibody-and-demographics-clinical-characteristics-and-laboratory-results-of-patients-with-dermatomyositis-a-systematic-meta-analysis
#14
Ju Li, Yan Liu, Yongsheng Li, Fang Li, Kai Wang, Wenyou Pan, Deqian Meng
Anti-melanoma differentiation-associated gene 5 (MDA5) antibody is a specific biomarker in patients with dermatomyositis (DM). Results from several studies that examined the relationship between anti-MDA5 antibody and the demographics, clinical characteristics and laboratory results of DM patients have been conflicting. The purpose of this study was to identify the relationship, if any, of anti-MDA5 antibody with demographics, clinical characteristics and laboratory results of DM patients. PubMed, Web of Science, Embase and the Cochrane Library databases were searched for studies without language restrictions conducted before 16 March 2017...
October 6, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28983918/how-many-cancer-cases-and-deaths-are-potentially-preventable-estimates-for-australia-in-2013
#15
Louise F Wilson, Annika Antonsson, Adele C Green, Susan J Jordan, Bradley J Kendall, Christina M Nagle, Rachel E Neale, Catherine M Olsen, Penelope M Webb, David C Whiteman
Cancer is a leading cause of disease burden in Australia, particularly fatal burden, accounting for an estimated thirty percent of deaths. Many cancers develop because of exposure to lifestyle and environmental factors that are potentially modifiable. We aimed to quantify the proportions and numbers of cancer deaths and cases in Australia in 2013 attributable to 20 modifiable factors in eight broad groupings that are established causes of cancer, namely: tobacco smoke (smoking and second-hand), dietary factors (low intake of fruit, non-starchy vegetables and dietary fibre; and high intake of red and processed meat), overweight/obesity, alcohol, physical inactivity, solar ultraviolet radiation, infections (seven agents), and reproductive factors (lack of breastfeeding, menopausal hormone therapy use, combined oral contraceptive use)...
October 6, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28979663/finger-pad-squamous-cell-carcinoma-report-of-squamous-cell-carcinoma-of-the-distal-palmar-digit-and-review-of-associated-risk-factors-mimickers-and-treatment-of-squamous-cell-carcinoma-of-ventral-hand-digits
#16
Philip R Cohen, S Brian Jiang
BACKGROUND: Squamous cell carcinoma of the palmar digits is rare. PURPOSE: The authors describe a man with squamous cell carcinoma of the pulp of his left fourth finger, and review the risk factors that may be associated with squamous cell carcinoma development on the ventral digits of the hand. the authors also summarize the clinical differential diagnoses and treatment of squamous cell carcinoma at this location. METHODS: the authors retrospectively reviewed the literature using PubMed and searched for the following terms: squamous cell carcinoma, squamous cell carcinoma in situ, finger, thumb, palmar, and ventral...
August 2017: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/28973033/integrative-genetic-analysis-suggests-that-skin-color-modifies-the-genetic-architecture-of-melanoma
#17
Imge Hulur, Andrew D Skol, Eric R Gamazon, Nancy J Cox, Kenan Onel
Melanoma is the deadliest form of skin cancer and presents a significant health care burden in many countries. In addition to ultraviolet radiation in sunlight, the main causal factor for melanoma, genetic factors also play an important role in melanoma susceptibility. Although genome-wide association studies have identified many single nucleotide polymorphisms associated with melanoma, little is known about the proportion of disease risk attributable to these loci and their distribution throughout the genome...
2017: PloS One
https://www.readbyqxmd.com/read/28966942/beta-adrenergic-receptors-are-expressed-across-diverse-cancers
#18
Steven L Rains, Clarissa N Amaya, Brad A Bryan
Based largely on retrospective analyses and a handful of prospective case reports, pharmacological inhibition of the beta adrenergic receptors using beta blockers has shown clinical anti-cancer efficacy in reproductive cancers, as well as angiosarcoma and multiple myeloma. Because of the potential promise of beta blockers as an adjunct to standard anti-cancer therapy, it is imperative to identify other tumor types expressing beta adrenergic (β-AR) receptors so future preclinical and clinical studies can be directed at the most promising tumor targets...
July 2017: Oncoscience
https://www.readbyqxmd.com/read/28945758/melanoma-screening-informing-public-health-policy-with-quantitative-modelling
#19
Stephen Gilmore
Australia and New Zealand share the highest incidence rates of melanoma worldwide. Despite the substantial increase in public and physician awareness of melanoma in Australia over the last 30 years-as a result of the introduction of publicly funded mass media campaigns that began in the early 1980s -mortality has steadily increased during this period. This increased mortality has led investigators to question the relative merits of primary versus secondary prevention; that is, sensible sun exposure practices versus early detection...
2017: PloS One
https://www.readbyqxmd.com/read/28932316/penile-melanosis-associated-with-lichen-sclerosus-et-atrophicus-first-description-in-the-medical-literature
#20
Georgi Tchernev, Anastasiya Atanasova Chokoeva, Hristo Mangarov
We present a 74-year-old male patient with 3-years history of visible discoloration of the glans penis, without subjective complaints. Histopathological examination after incision biopsy revealed a moderate increase in the number of melanocytes in the basal layer with irregular distribution, without melanocytic nests, melanophages in the superficial dermis, and subepidermal sclerosus. No cytologic atypia of melanocytes was detectable. The diagnosis of melanosis of the genitalia in association with lichen sclerosus was made...
August 15, 2017: Open Access Macedonian Journal of Medical Sciences
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