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https://www.readbyqxmd.com/read/28445958/repressing-cd147-is-a-novel-therapeutic-strategy-for-malignant-melanoma
#1
REVIEW
Xing Hu, Juan Su, Youyou Zhou, Xiaoyun Xie, Cong Peng, Zhimin Yuan, Xiang Chen
CD147/basigin, a transmembrane protein, is a member of the immunoglobulin super family. Accumulating evidence has revealed the role of CD147 in the development and progression of various cancers, including malignant melanoma (MM). MM is a malignancy of pigment-producing cells that causes the greatest number of skin cancer-related deaths worldwide. CD147 is overexpressed in MM and plays an important role in cell viability, apoptosis, proliferation, invasion, and metastasis, probably by mediating vascular endothelial growth factor (VEGF) production, glycolysis, and multi-drug resistance (MDR)...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445952/socs3-inhibits-the-pathological-effects-of-il-22-in-non-melanoma-skin-tumor-derived-keratinocytes
#2
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/28445515/correlation-of-histopathologic-characteristics-to-protein-expression-and-function-in-malignant-melanoma
#3
Charlotte Welinder, Krzysztof Pawłowski, A Marcell Szasz, Maria Yakovleva, Yutaka Sugihara, Johan Malm, Göran Jönsson, Christian Ingvar, Lotta Lundgren, Bo Baldetorp, Håkan Olsson, Melinda Rezeli, Thomas Laurell, Elisabet Wieslander, György Marko-Varga
BACKGROUND: Metastatic melanoma is still one of the most prevalent skin cancers, which upon progression has neither a prognostic marker nor a specific and lasting treatment. Proteomic analysis is a versatile approach with high throughput data and results that can be used for characterizing tissue samples. However, such analysis is hampered by the complexity of the disease, heterogeneity of patients, tumors, and samples themselves. With the long term aim of quest for better diagnostics biomarkers, as well as predictive and prognostic markers, we focused on relating high resolution proteomics data to careful histopathological evaluation of the tumor samples and patient survival information...
2017: PloS One
https://www.readbyqxmd.com/read/28442881/cutaneous-hybrid-tumor-composed-of-epidermal-cyst-and-cystic-pilomatricoma-unusual-presentation-in-a-child
#4
Konstantinos Lamprou, Christos Plataras, Maria Chorti, Efstratios Christianakis
We report a rare case of cutaneous hybrid tumor composed of epidermal cyst and cystic pilomatricoma that presented in an unusual way in a child. A 14-year-old teen girl presented with a skin lesion on the inner side of the left arm, approximately at the level of the elbow. The lesion was initially observed 5 months before and was continuously increasing in size during that time resembling other benign or malignant cutaneous tumors.
October 2016: International Journal of Trichology
https://www.readbyqxmd.com/read/28442875/extreme-phenotype-of-epidermal-growth-factor-receptor-inhibitor-induced-destructive-folliculitis
#5
Florian Anzengruber, Barbara Meier, Julia-Tatjana Maul, Katrin Kerl, Lars E French, Alexander A Navarini
Due to the increasingly widespread use and side effect profile of epidermal growth factor receptor inhibitors (EGFRIs), cutaneous side effects of these drugs are frequently encountered. The EGFR is expressed on keratinocytes and fibroblasts. Inhibition of EGFR can produce a range of cutaneous adverse effects, the most frequent being a characteristic acneiform skin eruption. As the latter is associated with good anti-neoplastic responses, the onset of EGFRI-induced acneiform skin eruption is typically viewed as a positive sign by patients and physicians...
October 2016: International Journal of Trichology
https://www.readbyqxmd.com/read/28440508/expression-levels-of-microrna%C3%A2-455-and-its-potential-functions-by-targeting-igf%C3%A2-1r-in-melanoma
#6
Hui Wang, Liang Yu, Xiujuan Shan
Melanoma has the highest fatality and malignancy of all skin cancers. In cancer, microRNAs (miRNAs) act as tumor suppressors or oncogenes, and inactivation of oncogenic miRNAs or restoration of tumor suppressor miRNAs has potential for cancer treatment. In the present study, miR‑455 expression levels were examined in melanoma tissues and cell lines, and miR‑455 was significantly downregulated in melanoma compared with matched normal tissues or normal epidermal melanocytes. In addition, increasing miR‑455 expression in melanoma cells reduced cell proliferation and invasion...
April 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440201/investigation-of-the-ph-dependent-cytotoxicity-of-paclitaxel-conjugated-gold-nanoparticles
#7
Zahrah Alhalili, Nur Hikmatul Auliya, Barbara Sandersonb, J G Shapter
Breast cancer, apart from skin cancer, is the most common cancer among women accounting for nearly 1 in 3 cancers and the second leading cause of cancer-related death among women after lung cancer. Finding new approaches to treat such cancers is critically important. OBJECTIVE: This work investigated the ability of a simple system based on paclitaxel conjugated gold nanoparticles (AuNP) to induce efficient cytotoxicity against T47D breast cancerous cells at different pH values. METHOD: The synthesis and characterization of nanoparticles using two approaches is presented...
April 24, 2017: Pharmaceutical Nanotechnology
https://www.readbyqxmd.com/read/28439661/comparative-study-of-p16-protein-expression-in-squamous-cell-carcinomas-from-patients-with-epidermodysplasia-verruciformis-and-patients-without-the-disease
#8
Mayra S G Mattos, Walmar R Oliveira, Mirian N Sotto
Epidermodysplasia verruciformis (EV) is a rare genodermatosis associated with susceptibility to beta-human papilloma virus (HPV) infection. EV patients develop disseminated warts and non-melanoma skin cancer, mainly squamous cell carcinomas (SCC) that are locally aggressive. EV pathogenesis is not yet fully understood, but alterations in the p16 gene play a role in the pathogenesis of neoplasms caused by high-risk genital HPV. To explore its role in EV lesions, we compared p16 expression in SCC from patients with and without EV...
April 24, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28438079/potential-non-cutaneous-sites-of-chelonid-herpesvirus-5-persistence-and-shedding-in-green-sea-turtles-chelonia-mydas
#9
Annie Page-Karjian, Nicole L Gottdenker, Jordyn Whitfield, Lawrence Herbst, Terry M Norton, Branson Ritchie
Chelonid herpesvirus 5 (ChHV5), the likely etiologic agent of sea turtle fibropapillomatosis (FP), is predicted to be unevenly distributed within an infected turtle, with productive virus replication and virion shedding occurring in cutaneous tumor keratinocytes. In this study, we measured and compared ChHV5 DNA quantities in tumors, skin, urine, major organs, and nervous tissue samples. These samples were taken from the carcasses of 10 juvenile green turtles (Chelonia mydas) with and without clinical signs of FP that stranded in Florida, USA during 2014...
April 24, 2017: Journal of Aquatic Animal Health
https://www.readbyqxmd.com/read/28437672/eosinophilic-funiculitis-initially-diagnosed-as-irreducible-inguinal-hernia-a-case-report
#10
Kohei Yamada, Akashi Ikubo, Shota Ikeda, Satoko Koga, Yasuhiro Tsuru, Hideo Kuroki, Naohiko Koya, Ryuichiro Samejima, Masashi Sakai, Masanobu Tabuchi, Seiji Yunotani, Shinichi Kido, Kazushige Nishimura, Hiroyuki Meiri
BACKGROUND: Most groin masses are first suspected to be groin hernias. More than 80% of bulging groin lesions are reportedly diagnosed as hernias by ultrasonography. Establishment of the correct diagnosis of hernia among all differential diagnoses is not easy. We herein describe a very rare case of groin eosinophilic funiculitis that presented as an irreducible groin hernia. CASE PRESENTATION: A 59-year-old man presented to our hospital with suspicion of a right groin hernia...
April 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28436313/longitudinal-thumbnail-fissures-due-to-erlotinib-therapy-for-lung-cancer
#11
Constantin A Dasanu, Juliana A Argote, Scott M Lippman, Steven C Plaxe
While therapy with epidermal growth factor receptor inhibitors leads to meaningful clinical responses in several tumor types, it has also been linked with perplexing toxic effects. Skin effects of these agents such as generalized papulo-pustular rash, trichomegaly, fingertip fissures, xerosis, pruritus and paronichias are now well characterized. Though uncommon, nail atrophic changes have also been described in subjects treated with these classes of agents. We describe herein unusual longitudinal thumbnail fissures caused by erlotinib therapy for metastatic lung cancer...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/28433934/amino-acid-functionalized-gadofullerene-nanoparticles-with-superior-antitumor-activity-via-destruction-of-tumor-vasculature-in%C3%A2-vivo
#12
Yue Zhou, Ruijun Deng, Mingming Zhen, Jie Li, Mirong Guan, Wang Jia, Xue Li, Ying Zhang, Tong Yu, Toujun Zou, Zhigao Lu, Jun Guo, Lei Sun, Chunying Shu, Chunru Wang
Researchers have been puzzled of the therapy of malignant tumors and the current therapeutic strategies are always accompanied by toxicity or side effects. Developing efficient nanodrugs could reduce the dosage and greatly improve the therapeutic effects in cancer treatments. Here we initially reported a novel kind of gadofullerene nanoparticles functionalized with amino acid (β-alanine), which exhibited a superior antitumor activity in hepatoma H22 models via a novel therapeutic mechanism. The involvement of β-alanine improved the tumor inhibition rate up to 76...
April 14, 2017: Biomaterials
https://www.readbyqxmd.com/read/28432719/effect-of-ficus-carica-leaf-extract-on-the-gene-expression-of-selected-factors-in-hacat-cells
#13
Murat Turkoglu, Erkin Pekmezci, Songul Kilic, Cihat Dundar, Hakan Sevinc
BACKGROUND: Ficus carica Linn. (Fc), common fig, has been traditionally used for many metabolic, cardiovasculary, respiratory, gastrointestinal, and skin disorders. Several studies were performed showing its anti-inflammatory, anti-angiogenic, anticancerogenic, and tissue-protective effects. In all of those studies, the positive effects of Fc were concluded as the result of its antioxidant and anti-inflammatory features due to the polyphenols it contains. AIMS: To study the phenolic compounds of Fc extract and to investigate the molecular basis of anti-inflammatory, anti-angiogenic, antimitotic, and anti-androgenic effects of Fc leaf extract in vitro...
April 22, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28432678/anal-metastasis-of-rectal-cancer-adenocarcinoma-of-squamous-cells-a-case-report-and-literature-review
#14
Shun Sasaki, Masahiko Sugiyama, Yu Nakaji, Ryota Nakanishi, Yuichiro Nakashima, Hiroshi Saeki, Eiji Oki, Yoshinao Oda, Yoshihiko Maehara
Anal metastasis of colorectal cancer is very rare and is usually associated with a history of anal disease, including anal fistula, fissure, hemorrhoidectomy, and anastomotic injury. We report a case of rectal cancer with a synchronous anal metastasis consisting of adenocarcinoma of squamous cells without a history of anal disease. A 60-year-old woman had a chief complaint of melena. She had a 1.5-cm anal tumor on the perianal skin, and a Bollman type 2 rectal tumor on the Ra portion was found on colonoscopy...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28430587/parkin-regulates-translesion-dna-synthesis-in-response-to-uv-radiation
#15
Xuefei Zhu, Xiaolu Ma, Yingfeng Tu, Min Huang, Hongmei Liu, Fengli Wang, Juanjuan Gong, Jiuqiang Wang, Xiaoling Li, Qian Chen, Hongyan Shen, Shu Zhu, Yun Wang, Yang Liu, Caixia Guo, Tie-Shan Tang
Deficiency of Parkin is a major cause of early-onset Parkinson's disease (PD). Notably, PD patients also exhibit a significantly higher risk in melanoma and other skin tumors, while the mechanism remains largely unknown. In this study, we show that depletion of Parkin causes compromised cell viability and genome stability after ultraviolet (UV) radiation. We demonstrate that Parkin promotes efficient Rad18-dependent proliferating cell nuclear antigen (PCNA) monoubiquitination by facilitating the formation of Replication protein A (RPA)-coated ssDNA upon UV radiation...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429540/silencing-of-astrocyte-elevated-gene-1-inhibits-proliferation-and-migration-and-induces-apoptosis-in-melanoma
#16
Yue Zhang, Ge Peng, Ying Wang, Lixia Cui, Wenqing Wu, Luan Wang, Chengyu Liu, Xiuping Han
Melanoma is an aggressive skin malignancy with a high mortality. Astrocyte elevated gene-1 (AEG-1), a downstream target of ras and c-myc, has been implicated in the development of multiple tumors, yet its role in melanoma remains unclear. In the present study, the role of AEG-1 in melanoma was explored through AEG-1 silencing. Our results showed that silencing of AEG-1 inhibited proliferation of melanoma cells and induced cell cycle arrest, accompanied by reduced levels of cyclinA, cyclinB, cyclinD1, cyclinE and cyclin dependent kinase 2...
April 21, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28429105/increased-expression-of-upa-upar-and-pai-1-in-psoriatic-skin-and-in-basal-cell-carcinomas
#17
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/28427800/the-effect-of-optune%C3%A2-tumor-treating-fields-transducer-arrays-on-skin-radiation-dose-during-radiotherapy
#18
Edward Bender, Kevin Kozak, Steven Howard, Lori Hayes, John Bayouth, H Ian Robins
A Phase 3 clinical study demonstrated that the addition of 200kHz Tumor Treating Fields (TTF) to temozolomide in the post-radiation (RT) phase of therapy in newly diagnosed glioblastoma increases progression free and overall survival (resulting in FDA and European Union approval). Preclinical studies have demonstrated the ability of TTF to act as a radiosensitizer, suggesting concurrent TTF and RT may have clinical utility. The removal and replacement of TTF transducer arrays from the scalps of patients on a daily basis, i...
April 17, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28427244/whole-genome-expression-analyses-of-type-2-diabetes-in-human-skin-reveal-altered-immune-function-and-burden-of-infection
#19
Chun Wu, Xiaopan Chen, Jing Shu, Chun-Ting Lee
Skin disorders are among most common complications associated with type 2 diabetes mellitus (T2DM). Although T2DM patients are known to have increased risk of infections and other T2DM-related skin disorders, their molecular mechanisms are largely unknown. This study aims to identify dysregulated genes and gene networks that are associated with T2DM in human skin. We compared the expression profiles of 56,318 transcribed genes on 74 T2DM cases and 148 gender- age-, and race-matched non-diabetes controls from the Genotype-Tissue Expression (GTEx) database...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427198/hypoxia-activates-placental-growth-factor-expression-in-lymphatic-endothelial-cells
#20
Laura Tudisco, Augusto Orlandi, Valeria Tarallo, Sandro De Falco
Placental growth factor (PlGF), a proangiogenic member of vascular endothelial growth family, is active during pathological conditions like cancer, metastasis formation and hind limb ischemia and in wound healing. Endothelial cells express PlGF and hypoxia positively modulates in vitro its expression. To verify whether hypoxia modulates PlGF expression in different cellular contexts and in vivo, we first analyzed five human and five mouse cancer cell lines showing that in eight of them hypoxia positively modulates PlGF...
March 2, 2017: Oncotarget
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