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https://www.readbyqxmd.com/read/28445541/iqgap1-is-an-oncogenic-target-in-canine-melanoma
#1
Becky H Lee, Poornima H Neela, Michael S Kent, Ashley M Zehnder
Canine oral mucosal melanoma is an aggressive malignant neoplasm and is characterized by local infiltration and a high metastatic potential. The disease progression is similar to that of human oral melanomas. Whereas human cutaneous melanoma is primarily driven by activating mutations in Braf (60%) or Nras (20%), human mucosal melanoma harbors these mutations much less frequently. This makes therapeutic targeting and research modeling of the oral form potentially different from that of the cutaneous form in humans...
2017: PloS One
https://www.readbyqxmd.com/read/28440609/clinical-significance-of-circulating-serum-cellular-heat-shock-protein-90-hsp90-level-in-patients-with-cutaneous-malignant-melanoma
#2
Faruk Tas, Elif Bilgin, Kayhan Erturk, Derya Duranyildiz
Background: Cellular heat shock proteins (HSPs) play significant roles in sustaining normal cellular conditions. The stimulated expressions of HSPs result in cellular stabilization at times of stress, such as cancer. The objective of this study was to determine the clinical significance of the serum levels of HSP90 in melanoma patients. Material and methods: A total number of 98 melanoma patients were enrolled into this study. Serum HSP90 concentrations were determined by the solid-phase sandwich ELISA method...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28430393/invited-commentary-in-vivo-cutaneous-malignancy-diagnosis-using-mitochondrial-imaging
#3
Lindsay C Strowd
A recent study by Pouli et al. (2016) published in Science Translational Medicine used an elegant set of experiments to demonstrate the ability of mitochondrial monitoring to distinguish skin cancer cells from healthy tissue in vivo. This study reveals important implications regarding the future of real-time malignancy detection (Pouli 2016). Skin cancers represent the vast majority of human malignancy, with the current estimated incidence of 4.5 million cases per year in the United States alone (Centers for Disease Control 2017)...
April 21, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28428928/origin-branching-and-communications-of-the-intercostobrachial-nerve-a-meta-analysis-with-implications-for-mastectomy-and-axillary-lymph-node-dissection-in-breast-cancer
#4
REVIEW
Brandon Michael Henry, Matthew J Graves, Jakub R Pękala, Beatrice Sanna, Wan Chin Hsieh, R Shane Tubbs, Jerzy A Walocha, Krzysztof A Tomaszewski
The intercostobrachial nerve (ICBN), which usually originates from the lateral cutaneous branch of the second intercostal nerve, innervates areas of the axilla, lateral chest, and medial arm. It is at risk for injury during operative procedures that are often used in the management of breast cancer and such injury has been associated with postoperative sensory loss and neuropathic pain, decreasing the quality of life. PubMed, Excerpta Medica Database (EMBASE), ScienceDirect, Google Scholar, China National Knowledge Infrastructure (CNKI), Scientific Electronic Library Online (SciELO), Biosciences Information Service (BIOSIS), and Web of Science were searched comprehensively...
March 17, 2017: Curēus
https://www.readbyqxmd.com/read/28425625/a-missense-mutation-in-damage-specific-dna-binding-protein-2-is-a-genetic-risk-factor-for-limbal-squamous-cell-carcinoma-in-horses
#5
Rebecca R Bellone, Jiayin Liu, Jessica L Petersen, Maura Mack, Moriel Singer-Berk, Cord Drögemüller, Julia Malvick, Barbara Wallner, Gottfried Brem, M Cecilia Penedo, Mary Lassaline
Squamous cell carcinoma (SCC) is the most common cancer of the equine eye, frequently originating at the limbus, with the potential to invade the cornea, cause visual impairment, and result in loss of the eye. Several breeds of horses have a high occurrence of limbal SCC implicating a genetic basis for limbal SCC predisposition. Pedigree analysis in the Haflinger breed supports a simple recessive mode of inheritance and a genome wide association study (N=23) identified a 1.5 Mb locus on ECA12 significantly associated with limbal SCC (Pcorrected = 0...
April 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28424760/insights-into-local-tumor-microenvironment-immune-factors-associated-with-regression-of-cutaneous-melanoma-metastases-by-mycobacterium-bovis-bacille-calmette-gu%C3%A3-rin
#6
Junbao Yang, Maris S Jones, Romela Irene Ramos, Alfred A Chan, Agnes F Lee, Leland J Foshag, Peter A Sieling, Mark B Faries, Delphine J Lee
Mycobacterium bovis bacille Calmette-Guérin (BCG) is listed as an intralesional (IL) therapeutic option for inoperable stage III in-transit melanoma in the National Comprehensive Cancer Network Guidelines. Although the mechanism is unknown, others have reported up to 50% regression of injected lesions, and 17% regression of uninjected lesions in immunocompetent patients after direct injection of BCG into metastatic melanoma lesions in the skin. BCG and other mycobacteria express ligands capable of stimulating the γ9δ2 T cells...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28423377/risk-and-survival-of-patients-with-head-and-neck-cutaneous-melanoma-national-perspective
#7
Zaid Al-Qurayshi, Mohamed Hassan, Sudesh Srivastav, Steven Sperry, Nitin Pagedar, John Hamner, Emad Kandil
OBJECTIVE: Head and neck cutaneous melanoma represents a distinct entity of skin cancer. We aim to examine management and survival of patients with head and neck cutaneous melanoma. METHODS: A retrospective cohort study utilizing the National Cancer Database, 2004-2012. RESULTS: A total of 20,322 (21.2%) head and neck melanomas and 75,547 (78.8%) melanomas of other sites were included. The median follow-up time of head and neck melanoma was 41...
April 20, 2017: Oncology
https://www.readbyqxmd.com/read/28422751/twelve-year-survival-and-immune-correlates-in-dendritic-cell-vaccinated-melanoma-patients
#8
Stefanie Gross, Michael Erdmann, Ina Haendle, Steve Voland, Thomas Berger, Erwin Schultz, Erwin Strasser, Peter Dankerl, Rolf Janka, Stefan Schliep, Lucie Heinzerling, Karl Sotlar, Pierre Coulie, Gerold Schuler, Beatrice Schuler-Thurner
BACKGROUND: Reports on long-term (≥10 years) effects of cancer vaccines are missing. Therefore, in 2002, we initiated a phase I/II trial in cutaneous melanoma patients to further explore the immunogenicity of our DC vaccine and to establish its long-term toxicity and clinical benefit after a planned 10-year followup. METHODS: Monocyte-derived DCs matured by TNFα, IL-1β, IL-6, and PGE2 and then loaded with 4 HLA class I and 6 class II-restricted tumor peptides were injected intradermally in high doses over 2 years...
April 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28422039/-urinary-tract-lymphoepithelial-carcinoma-report-of-two-cases-and-bibliographic-review
#9
Sebastian Valverde Martínez, Waleska Salcedo Mercado, Isabel Rodríguez Cruz, Sara Belén Prieto Nogal, Mario Martín Hernández, Luis Miguel Gómez Tejeda
OBJECTIVE: We report two cases of patients diagnosed with lymphoepithelioma-like carcinomas of the urinary tract. We review the literature of this rare entity. The objective is to clarify the clinical and therapeutic characteristics. METHODS: We present a retrospective review of medical records of two patients diagnosed with lymphoepithelioma-like carcinomas, one in the renal pelvis and the other in the bladder. We review the epidemiology, diagnosis and therapeutic alternatives...
April 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28419570/oral-lichenoid-reactions-associated-with-anti-pd-1-pd-l1-therapies-clinicopathological-findings
#10
V Sibaud, C Eid, V R Belum, P Combemale, B Barres, L Lamant, L Mourey, C Gomez-Roca, C L Estilo, R Motzer, E Vigarios, Mario E Lacouture
Immune checkpoint inhibitors targeting the programmed cell death receptor-1 (PD-1) or its ligand (PD-L1) show broad activity across different tumor types and currently represent one of the keystones of cancer management. Dermatologic toxicities are one of the most frequent immune-related adverse events (irAEs) induced by these new monoclonal antibodies. Maculopapular rash, pruritus, exacerbation of psoriasis or more specific autoimmune disorders (e.g. vitiligo, alopecia areata, and bullous pemphigoid) are amongst the most commonly reported AEs...
April 17, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28419554/the-major-mir-31-target-genes-stk40-and-lats2-and-their-implications-in-the-regulation-of-keratinocyte-growth-and-hair-differentiation
#11
Liming Luan, Jianyun Shi, Zhengquan Yu, Thomas Andl
Emerging evidence indicates that even subtle changes in the expression of key genes of signaling pathways can have profound effects. MicroRNAs (miRNAs) are masters of subtleness and generally have only mild effects on their target genes. The microRNA miR-31 is one of the major microRNAs in many cutaneous conditions associated with activated keratinocytes such as the hyperproliferative diseases psoriasis, non-melanoma skin cancer, and hair follicle growth. miR-31 is a marker of the hair growth phase, and in our miR-31 transgenic mouse model it impairs the function of keratinocytes, subsequently leading to aberrant proliferation, apoptosis and differentiation that result in altered hair growth, while loss of miR-31 leads to increased hair growth...
April 17, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28418875/incidence-and-clearance-of-oral-human-papillomavirus-infection-a-population-based-cohort-study-in-rural-china
#12
Chaoting Zhang, Fangfang Liu, Yaqi Pan, Qiuju Deng, Xiang Li, Zhonghu He, Mengfei Liu, Tao Ning, Chuanhai Guo, Yongmei Liang, Ruiping Xu, Lixin Zhang, Hong Cai, Yang Ke
The natural history of oral human papillomavirus (HPV) infection which is linked with the increased incidence of oropharyngeal squamous cell cancer (OPSCC) has been incompletely studied. Oral swab specimens and questionnaire data were obtained bi-annually for up to 6 visits from 4314 healthy adults aged 25-69 in rural Anyang, China. HPV infection status was evaluated with PCR-based sequencing. Participants with at least two consecutive valid HPV results within the study period were included in the incidence and clearance analysis...
March 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28417343/adjuvant-therapy-for-melanoma
#13
REVIEW
Aya Agha, Ahmad A Tarhini
Systemic adjuvant therapy for surgically resected cutaneous melanoma that is at high risk for disease recurrence and death targets residual micrometastatic disease which is the source of future local or distant relapse. Interferon-alfa (IFNα) has been the most extensively studied in regimens that varied by dosage, route of administration, formulation, and duration of therapy. Most regimens have demonstrated improvements in relapse-free survival (RFS), while the regimen administered at high dosage (HDI) showed improvements in overall survival (OS) in two out of three RCTs...
May 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28414587/non-melanoma-skin-cancer-new-and-future-synthetic-drug-treatments
#14
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/28414163/droplet-digital-pcr-ddpcr-vs-quantitative-real-time-pcr-qpcr-approach-for-detection-and-quantification-of-merkel-cell-polyomavirus-mcpyv-dna-in-formalin-fixed-paraffin-embedded-ffpe-cutaneous-biopsies
#15
Rosaria Arvia, Mauro Sollai, Federica Pierucci, Carmelo Urso, Daniela Massi, Krystyna Zakrzewska
BACKGROUND: Merkel cell polyomavirus (MCPyV) is associated with Merkel cell carcinoma and high viral load in the skin was proposed as a risk factor for the occurrence of this tumour. MCPyV DNA was detected, with lower frequency, in different skin cancers but since the viral load was usually low, the real prevalence of viral DNA could be underestimated. OBJECTIVE: To evaluate the performance of two assays (qPCR and ddPCR) for MCPyV detection and quantification in formalin fixed paraffin embedded (FFPE) tissue samples...
April 14, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28413658/subcutaneous-metastasis-arising-from-gastric-cancer-a-case-report
#16
Tsutomu Namikawa, Eri Munekage, Masaya Munekage, Hiromichi Maeda, Tomoaki Yatabe, Hiroyuki Kitagawa, Michiya Kobayashi, Kazuhiro Hanazaki
A 59-year-old man was referred to the Kochi Medical School Hospital due to left shoulder pain. Physical examination revealed a nodular, painful mass lesion in the subcutaneous tissue of the right chest wall, with a diameter of ~2 cm. Esophagogastroduodenoscopy revealed a large ulcerated tumor in the lower gastric body near the lesser curvature, and biopsy specimens of the gastric and humeral lesions revealed poorly differentiated adenocarcinoma. Abdominal computed tomography revealed multiple low-density lesions in the liver and a well-defined, 2...
April 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28413391/minocycline-induced-hyperpigmentation-in-a-patient-treated-with-erlotinib-for-non-small-cell-lung-adenocarcinoma
#17
Ann T Bell, John W Roman, Max L Gratrix, Christina E Brzezniak
INTRODUCTION: While epidermal growth factor receptor (EGFR) inhibitors have improved progression-free survival in patients with non-small cell lung cancer (NSCLC), one of the most common adverse effects is papulopustular skin eruption, which is frequently severe enough to be treated with oral minocycline or doxycycline. CASE: We present a case of an 87-year-old man who developed a severe papulopustular skin eruption secondary to erlotinib therapy for NSCLC. Control of the eruption with 100 mg of minocycline twice daily for 8 months eventually led to blue-gray skin hyperpigmentation...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28413383/prostate-cancer-how-young-is-too-young
#18
Sahil Gupta, Arjun Gupta, Ashish K Saini, Kaustav Majumder, Kalpana Sinha, Anurag Chahal
Prostate cancer is the most common non-cutaneous malignancy in men. It is generally considered a cancer of the elderly, and the median age of presentation is 68 years. However 10% of new diagnoses in the USA occur in men aged ≤ 55 years. This may be due to more prevalent screening nowadays, and may also reflect the diagnosis of an increasingly recognized but underappreciated entity, i.e. early-onset prostate cancer. Patients with early onset prostate cancer pose unique challenges. Current data suggest that early-onset prostate cancer is a distinct phenotype-from both an etiological and clinical perspective- that deserves further attention...
January 2017: Current Urology
https://www.readbyqxmd.com/read/28413057/sex-differences-in-the-association-of-cutaneous-melanoma-incidence-rates-and-geographic-ultraviolet-light-exposure
#19
Feng Liu-Smith, Ahmed Majid Farhat, Anthony Arce, Argyrios Ziogas, Thomas Taylor, Zi Wang, Vandy Yourk, Jing Liu, Jun Wu, Archana J McEligot, Hoda Anton-Culver, Frank L Meyskens
BACKGROUND: Cutaneous melanoma (CM) incidence rates continue to increase, and the reasons are unknown. Previously, we reported a unique age-specific sex difference in melanoma that suggested additional causes other than solar ultraviolet (UV) radiation. OBJECTIVE: This study attempted to understand whether and how UV radiation differentially impacts the CM incidence in men and women. METHODS: CM data and daily UV index (UVI) from 31 cancer registries were collected for association analysis...
March 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28412251/c-myc-antagonises-the-transcriptional-activity-of-the-androgen-receptor-in-prostate-cancer-affecting-key-gene-networks
#20
Stefan J Barfeld, Alfonso Urbanucci, Harri M Itkonen, Ladan Fazli, Jessica L Hicks, Bernd Thiede, Paul S Rennie, Srinivasan Yegnasubramanian, Angelo M DeMarzo, Ian G Mills
Prostate cancer (PCa) is the most common non-cutaneous cancer in men. The androgen receptor (AR), a ligand-activated transcription factor, constitutes the main drug target for advanced cases of the disease. However, a variety of other transcription factors and signaling networks have been shown to be altered in patients and to influence AR activity. Amongst these, the oncogenic transcription factor c-Myc has been studied extensively in multiple malignancies and elevated protein levels of c-Myc are commonly observed in PCa...
April 5, 2017: EBioMedicine
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