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(Skin metastasis) melanoma

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https://www.readbyqxmd.com/read/30403172/lycorine-inhibits-melanoma-a375-cell-growth-and-metastasis-through-the-inactivation-of-the-pi3k-akt-signaling-pathway
#1
Qun-Qun Jiang, Wei-Bing Liu
Malignant melanoma, one of the most aggressive skin cancers, has a very high mortality rate. Currently, the number of drugs to treat melanoma is low. Although new immunotherapeutic approaches based on the use of antibodies against immune checkpoints have shown long term responses, it is urgent to develop novel anti-melanoma drugs with a high efficiency and a low toxicity in a large number of patients. Lycorine, a natural product, has been reported to exert antitumor effects on some cancers. However, the impact of lycorine on melanoma cells is still unknown...
October 2018: Médecine Sciences: M/S
https://www.readbyqxmd.com/read/30383118/early-diagnosis-of-skin-melanoma-metastasis-by-means-of-dermoscopy-and-confocal-microscopy
#2
Alessia Paganelli, Caterina Longo, Riccardo Pampena, Simonetta Piana, Stefania Borsari
No abstract text is available yet for this article.
October 31, 2018: JAMA Dermatology
https://www.readbyqxmd.com/read/30372724/nevus-of-ota-associated-with-a-primary-uveal-melanoma-and-intracranial-melanoma-metastasis
#3
Nikifor K Konstantinov, Tamara M Berry, Hillary R Elwood, Barrett J Zlotoff
Nevus of Ota is a blue, hyperpigmented, benign dermatosis of the skin and mucosae that most often occurs unilaterally in the distribution of the ophthalmic (V1) and maxillary (V2) branches of the trigeminal nerve. Although uncommon, association with malignant melanoma is a complication that must be considered in the evaluation of patients with nevus of Ota. Mutations in the GNAQ and BAP1 genes in patients with nevus of Ota place them at higher risk for malignant melanoma and metastasis. We report the case of a 29-year-old woman with a long-standing history of nevus of Ota who presented acutely with an intracranial melanoma as an extension of a primary uveal melanoma...
September 2018: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/30370527/promoter-methylation-as-biomarkers-for-diagnosis-of-melanoma-a-systematic-review-and-meta-analysis
#4
Yu Guo, Jianhong Long, Shaorong Lei
Melanoma is one of the most common skin cancer that is characterized by rapid growth, early metastasis, high malignant, and mortality. Accumulating evidence demonstrated that promoter methylation of tumor-suppressor genes is implicated in the pathogenesis of melanoma. In the current study, we performed a meta-analysis to identify promising methylation biomarkers in the diagnosis of melanoma. We carried out a systematic literature search using Pubmed, Embase, and ISI web knowledge database and found that gene promoter methylation of 50 genes was reported to be associated with the risk of melanoma...
October 28, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30364040/bednar-tumour-occurring-after-malignant-melanoma-excision
#5
Amedeo Ferlosio, Monia Di Prete, Piero Rossi, Elena Campione, Augusto Orlandi
We report the case of a seventy-four-year-old man with a slow-growing 2 cm mass on the back that arose near the surgical scar of previously excised melanoma, invasive to a Breslow depth of 3 mm. Preoperative clinical diagnosis was "in-transit" melanoma metastasis. After surgical excision, histopathologic examination revealed a dermal nodular proliferation of spindle cells arranged in storiform pattern, with mild pleomorphism, infiltrating around appendages and into the subcutaneous tissue. Immunohistochemical investigation documented diffuse positivity for CD34 and vimentin of spindle cells...
2018: Case Reports in Pathology
https://www.readbyqxmd.com/read/30340844/a-small-molecule-antagonist-of-cxcr1-and-cxcr2-inhibits-cell-proliferation-migration-and-invasion-in-melanoma-via-pi3k-akt-pathway
#6
Fu-Min Shang, Jing Li
INTRODUCTION: Melanoma is the most dangerous skin cancer with high metastasis rate and mortality. Although the emergence of immunotherapy has brought hope for treatment, the mortality rate of melanoma is still increasing year by year. The underlying mechanism of melanoma tumor progression and metastasis is urgently needed to be clarified. Recently chemokines have been found to play an important role in tumor progression in addition to their immunocytochemical chemotaxis. METHODS: In this study, human melanoma cell lines A375 and M14 were treated with SCH-527123, a small molecule antagonist of CXCR1 and CXCR2...
October 16, 2018: Medicina Clínica
https://www.readbyqxmd.com/read/30324074/coincidence-of-malignant-melanoma-and-an-incidently-discovered-parotid-mass-presenting-a-diagnostic-challenge
#7
Handan Derebaşinlioğlu, Sarper Yilmaz
Parotid masses coincided with skin tumors in head and neck region may represent a serious diagnostic challenge. Conventional imaging modalities such as computed tomography, magnetic resonance imaging may help to determine nature of the masses. Positron emission tomography - computed tomography imaging is reported to be useful for the detection of malignancy in the parotid gland. But in some situations all of them become insufficient. We present a case of cheek malignant melanoma with an incidentally discovered parotid mass during the investigation...
August 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/30301603/sec23a-mediates-mir-200c-augmented-oligometastatic-to-polymetastatic-progression
#8
Zhiwei Sun, Shixia Zhou, Junling Tang, Ting Ye, Jingyuan Li, Doudou Liu, Jian Zhou, Jianyu Wang, H Rosie Xing
BACKGROUND: Cancer treatment is based on tumor staging. Curative intent is only applied to localized tumors. Recent studies show that oligometastatic patients who have limited number of metastases may benefit from metastasis-directed local treatments to achieve long-term survival. However, mechanisms underlying oligometastatic to polymetastatic progression remains elusive. METHODS: The effects of miR-200c and Sec23a on tumor metastasis were verified both in vitro and in vivo...
October 6, 2018: EBioMedicine
https://www.readbyqxmd.com/read/30293684/nfat5-promotes-in-vivo-development-of-murine-melanoma-metastasis
#9
Dong-Ho Kim, Kye-Seong Kim, Suresh Ramakrishna
Malignant melanoma is one of the most fatal and aggressive skin cancers, originating from pigment-containing melanocytes. Despite progress in clinical research, treatment options for malignant melanoma have been limited. The nuclear factor of activated T-cell 5 (NFAT5), originally identified as tonicity regulated transcription factor Ton/EBP, is now known as a carcinogenic gene in several types of cancer pathology. In this study, we knocked down NFAT5 to investigate its role in melanoma cancer. shRNA-mediated knockdown of NFAT5 led to a significant decrease in cell proliferation in vitro...
November 2, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/30288053/all-trans-retinoic-acid-encapsulated-cd20-antibody-conjugated-poly-lactic-co-glycolic-acid-nanoparticles-effectively-target-and-eliminate-melanoma-initiating-cells-in-vitro
#10
Xingyu Chen, Zhiyuan Zhang, Shengfeng Yang, Hairong Chen, Dan Wang, Jun Li
Purpose: Melanoma, which is initiated from melanocytes, is the most fatal type of skin cancer. Melanoma-initiating cells significantly contribute to the initiation, metastasis, and recurrence of melanoma, and CD20 is a marker of melanoma-initiating cells. All-trans retinoic acid (ATRA) has been demonstrated to induce differentiation, inhibit proliferation, and promote the apoptosis of cancer cells and cancer-initiating cells (CICs). However, there has been no report on ATRA activity against melanoma-initiating cells...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/30279173/remodeling-of-the-collagen-matrix-in-aging-skin-promotes-melanoma-metastasis-and-affects-immune-cell-motility
#11
Amanpreet Kaur, Brett L Ecker, Stephen M Douglass, Curtis H Kugel, Marie R Webster, Filipe V Almeida, Rajasekharan Somasundaram, James Hayden, Ehsan Ban, Hossein Ahmadzadeh, Janusz Franco-Barraza, Neelima Shah, Ian A Mellis, Frederick Keeney, Andrew Kossenkov, Hsin-Yao Tang, Xiangfan Yin, Qin Liu, Xiaowei Xu, Mitchell Fane, Patricia Brafford, Meenhard Herlyn, David W Speicher, Jennifer A Wargo, Michael T Tetzlaff, Lauren E Haydu, Arjun Raj, Vivek Shenoy, Edna Cukierman, Ashani T Weeraratna
Physical changes in skin are among the most visible signs of aging. We found that young dermal fibroblasts secrete high levels of extracellular matrix (ECM) constituents, including proteoglycans, glycoproteins and cartilage-linking proteins. The most abundantly secreted was HAPLN1, a hyaluronic and proteoglycan link protein. HAPLN1 was lost in aged fibroblasts, resulting in a more aligned ECM that promoted metastasis of melanoma cells. Reconstituting HAPLN1 inhibited metastasis in an aged microenvironment, in 3D skin reconstruction models, and in vivo...
October 2, 2018: Cancer Discovery
https://www.readbyqxmd.com/read/30264000/malignant-melanoma-of-parotid-gland-in-a-child-our-unique-experience
#12
Denish Apparau, Hema Apparau, Irfan Mohamad, Venkata Murali Krishna Bhavaraju
Malignant melanoma (MM) of parotid gland is a rare condition. This pathology is often a result of secondary metastasis from primary lesions in the head and neck skin. A MM arising de novo in parotid gland is very rare. This malignant tumour is more prevalent in adults rather than children and it tends to have several distinct features. Treatment options are limited especially for an advanced lesion. Despite best treatments this condition carries a poor prognosis. This case details our experience in treating a child with MM of parotid gland without other primary cutaneous lesions...
2018: AME case reports
https://www.readbyqxmd.com/read/30259913/metastatic-malignant-melanoma-to-the-gallbladder-case-report-and-review-of-the-literature
#13
G Riva, M Villanova, A Eccher, C Luchini, F Motta, R Bernasconi, M Barbareschi
Solitary metastasis of malignant melanoma (MM) to the gallbladder (GB) is rare and generally originates from skin melanoma. MM is a neoplasm with an often unpredictable course and metastases can potentially affecting all organs. The occurrence of metastasis in the GB is unusual and has only been exceptionally reported in the literature. We describe a case of an 86-year-old man with an isolated MM metastasis located within the GB presenting with symptoms mimicking acute cholecystitis. Anamnestically, he presented a history of malignant melanoma (Clark level III) resected from his left leg 17 years ago...
March 2018: Pathologica
https://www.readbyqxmd.com/read/30257602/the-long-non-coding-rna-crnde-competed-endogenously-with-mir-205-to-promote-proliferation-and-metastasis-of-melanoma-cells-by-targeting-ccl18
#14
Libin Xu, Yu Zhang, Zhenguo Zhao, Zhengju Chen, Zheng Wang, Songfeng Xu, Xinxin Zhang, Ting Liu, Shengji Yu
Melanoma was the most malignant skin neoplasm with an increasing morbidity around the world. Although new immunotherapies and targeted therapies have emerged recently, the long-term survival of melanoma patients still remains low. To reveal effective diagnostic methods and therapeutic strategies, the potential mechanism of melanoma is urgently needed to be studied. Long non-coding RNAs (lncRNAs) have become an important regulatory factor in the occurrence and development of cancer, and it can be used as a new prognostic and diagnostic marker...
2018: Cell Cycle
https://www.readbyqxmd.com/read/30255290/role-of-simvastatin-in-tumor-lymphangiogenesis-and-lymph-node-metastasis
#15
Rui-Cheng Ji, Yuki Eshita, Takashi Kobayashi, Shinya Hidano, Naganori Kamiyama, Yasuhiko Onishi
Lymphangiogenesis plays a crucial role in promoting cancer metastasis to sentinel lymph nodes (LNs) and beyond. Increasing data have shown that simvastatin, a cholesterol-lowering medication for the prevention of cardiovascular diseases, is involved in tumor growth and dissemination, and endothelial functions. This study aimed to investigate the potential effect of simvastatin on lymphatic formation and LN metastasis. Tumor models were established by subcutaneous injection of B16-F10 melanoma cells into mouse hind footpads...
September 25, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/30241571/dermoscopy-of-skin-metastases-from-breast-cancer-two-case-reports
#16
Awatef Kelati, Salim Gallouj
BACKGROUND: Cutaneous metastatic breast cancer is the most common cutaneous metastatic malignancy in women. The assessment of cutaneous metastatic disease can be perplexing because the clinical presentation appears similar to other skin malignancies like angiosarcoma or melanoma, or benign diseases like cellulitis and lymphedema. To date, only a limited number of dermoscopic images of cutaneous metastatic solid tumors, especially breast cancer, have been published. CASE PRESENTATION: The authors report two Moroccan cases highlighting dermoscopy as a quick tool to recognize skin metastasis of breast cancer in two different clinical presentations...
September 22, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/30225190/metastatic-pulmonary-melanoma-complicated-with-erythroderma-and-recurrent-sepsis
#17
Lining Wang, Ning Li, Ling Zhou, Xiaoyan Chen, Wei Tang
Erythroderma is occasionally associated with lung cancer. Here we report a 69-year-old male who has history of melanoma from 8 years ago presented with erythroderma associated with skin, soft tissue and pulmonary infection. CT chest showed a single enlarging right upper lobe lung nodule. Biopsy showed evidence of adenocarcinoma, and eventually proven to be metastatic melanoma. The patient improved after antibiotics and antifungal treatment. To our knowledge, this is the first case of melanoma metastasis presented as erythroderma as paraneoplastic syndrome...
2018: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/30218634/the-vascular-morphology-of-melanoma-is-related-to-breslow-index-an-in-vivo-study-with-dynamic-optical-coherence-tomography
#18
Nathalie De Carvalho, Julia Welzel, Sandra Schuh, Lotte Themstrup, Martina Ulrich, Gregor B E Jemec, Jon Holmes, Shaniko Kaleci, Johanna Chester, Laura Bigi, Silvana Ciardo, Giovanni Pellacani
BACKGROUND: Malignant melanoma is an aggressive skin cancer, which can lead to metastasis development. Vascularization enhancement is fundamental for tumor growth, worsening the prognosis. Dynamic optical coherence tomography (D-OCT) enables the in vivo evaluation of vascular patterns in skin lesions. OBJECTIVE: In vivo evaluation of the melanoma vessel morphology by means of D-OCT and correlation with Breslow index. METHODS: Retrospective analysis of histologically proven melanomas, evaluated by D-OCT at three different depths (150, 300 and 500 μm), was performed...
September 15, 2018: Experimental Dermatology
https://www.readbyqxmd.com/read/30216200/expression-and-clinical-significance-of-s100-family-genes-in-patients-with-melanoma
#19
Xiong Tingfeng, Pan Fuqiang, Li Dong
Genes in the S100 family are abnormally expressed in a variety of tumor cells and are associated with clinical pathology, but their prognostic value in melanoma patients has not yet been fully elucidated. In this study, we extracted and profiled S100 family mRNA expression data and corresponding clinical data from the Gene Expression Omnibus database to analyze how expression of these genes correlates with clinical pathology. Compared with normal skin, S100A1, S100A13, and S100B were expressed at significantly higher levels in melanoma samples...
September 13, 2018: Melanoma Research
https://www.readbyqxmd.com/read/30186583/multiple-subcutaneous-nodules-leading-to-diagnosis-of-colon-cancer
#20
Irappa Madabhavi, Nagaveni Kadakol, Chidanand Chavan, Malay Sarkar
Skin metastases from colorectal carcinoma are rare and signal advanced disease. Skin metastasis refers to growth of cancer cells in the skin originating from an internal cancer. In most cases, cutaneous metastasis develops after the initial diagnosis of the primary internal malignancy and late in the course of the disease. In very rare cases, skin metastasis may occur at the same time or before the primary cancer has been discovered and may be the prompt for further thorough investigation. The incidence of skin metastasis varies but is somewhere between 3-10% in patients with a primary malignant tumor...
July 2018: Middle East Journal of Digestive Diseases
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