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https://www.readbyqxmd.com/read/28537531/clinical-features-of-nivolumab-induced-thyroiditis-a-case-series-study
#1
Ichiro Yamauchi, Yoriko Sakane, Yorihide Fukuda, Toshihito Fujii, Daisuke Taura, Masakazu Hirata, Keisho Hirota, Yohei Ueda, Yugo Kanai, Yui Yamashita, Eri Kondo, Masakatsu Sone, Akihiro Yasoda, Nobuya Inagaki
BACKGROUND: The programmed cell death-1 (PD-1) pathway is a novel therapeutic target in immune checkpoint therapy for cancer. It consists of the PD-1 receptor and its two ligands, programmed death-ligand 1 (PD-L1) and programmed death-ligand 2 (PD-L2). Nivolumab is an anti-PD-1 monoclonal antibody approved for malignant melanoma, advanced non-small cell lung cancer, and advanced renal cell carcinoma in Japan. Thyrotoxicosis and hypothyroidism have both been reported in international phase 3 studies and national postmarketing surveillance of nivolumab in Japan...
May 24, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28536525/immune-checkpoint-in-glioblastoma-promising-and-challenging
#2
REVIEW
Jing Huang, Fangkun Liu, Zhixiong Liu, Hui Tang, Haishan Wu, Qianni Gong, Jindong Chen
Glioblastoma (GBM) is a severe malignant brain cancer with poor overall survival. Conventional intervention remains dismal to prevent recurrence and deterioration of GBM cell. Recent years have witnessed exciting breakthroughs in novel immune strategies, especially checkpoint inhibitors, some of which have become adjuvant setting after standard of care in melanoma. Several clinical trials of checkpoint inhibitors are ongoing in glioblastoma and other brain carcinomas. Plus, synergistic combinations of checkpoint inhibitors with conventional therapy strategies-radiotherapy, temozolomide, bevacizumab, and corticosteroids are now being exploited and applied in clinical settings...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28533998/ipilimumab-as-a-cause-of-severe-pan-colitis-and-colonic-perforation
#3
Raj Shah, Danielle Witt, Talal Asif, Fahad F Mir
Ipilimumab is a human monoclonal antibody that functions as a cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) inhibitor that is used to treat malignant melanoma. Due to ipilimumab's removal of immune regulation, specifically through the inactivation of CTLA-4, it is commonly associated with inflammatory and autoimmune events. Gastrointestinal (GI) related immune-related adverse events such as diarrhea occur in 29% of patients with 7.6% of patients specifically suffering from colitis. We describe a case of colonic perforation with ipilimumab use...
April 20, 2017: Curēus
https://www.readbyqxmd.com/read/28529451/role-of-epigenetics-in-uveal-melanoma
#4
REVIEW
Yongyun Li, Renbing Jia, Shengfang Ge
Uveal melanoma (UM) is a severe human malignancy with a high mortality rate that demands continued research into new and alternative forms of prevention and treatment. The emerging field of epigenetics is beginning to unfold an era of contemporary approaches to reducing the risk and improving the clinical treatment of UM. Epigenetic changes have a high prevalence rate in cancer, are reversible in nature, and can lead to cancer characteristics even in mutation-free cells. The information contained in this review highlights and expands on the main mechanisms of epigenetic dysregulation in UM tumorigenesis, progression and metastasis, including microRNA expression, hypermethylation of genes and histone modification...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28528541/melanoma-frequency-among-symmetrical-spitzoid-looking-lesions-a-retrospective-study
#5
Claudia Costa, Matteo Megna, Milena Cappello, Maddalena Napolitano, Giuseppe Monfrecola, Massimiliano Scalvenzi
BACKGROUND: Many efforts have been spent attempting to define clinical, histopathological and molecular markers for differential diagnosis of Spitz nevus and melanoma. Dermoscopy has been widely used but it may be not always sufficient. METHODS: A retrospective study was performed evaluating Spitzoid-looking lesions showing symmetry at clinical and dermoscopic examination in patients ≥ 12 years attending our Clinic from 2004 to 2014. Demographic, clinical and dermoscopic data were assessed for each lesion in order to highlight the most common characteristics which could help the differential diagnosis between Spitz nevus and melanoma when clinical or dermoscopic asymmetry is lacking...
May 16, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28526240/endocrine-actions-of-vitamin-d-in-skin-relevance-for-photocarcinogenesis-of-non-melanoma-skin-cancer-and-beyond
#6
REVIEW
Jörg Reichrath, Roman Saternus, Thomas Vogt
The skin represents a pivotal organ for the human body's vitamin D endocrine system, being both the site of ultraviolet (UV)-B-induced vitamin D synthesis and a target tissue for the pluripotent effects of 1,25(OH)2D3 and other biologically active vitamin D metabolites. As many other steroid hormones, 1,25(OH)2D3 exerts its effects via two independent signal transduction pathways: the classical genomic and the non-genomic pathway. While non-genomic effects of 1,25(OH)2D3 are in part exerted via effects on intracellular calcium, genomic effects are mediated by the vitamin D receptor (VDR)...
May 16, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28515985/epidemiological-trends-in-skin-cancer
#7
Zoe Apalla, Aimilios Lallas, Elena Sotiriou, Elizabeth Lazaridou, Demetrios Ioannides
Skin cancer, including melanoma and non-melanoma skin cancer (NMSC), represents the most common type of malignancy in the white population. The incidence rate of melanoma is increasing worldwide, while the associated mortality remains stable, or is slightly decreasing. On the other hand, the incidence for NMSC varies widely, with the highest rates reported in Australia. In the current review, we highlight recent global trends in epidemiology of skin cancer. We discuss controversial issues raised in current epidemiological data, we analyze the most important risk factors associated with the development of melanoma and NMSC and the impact of skin cancer on health care services...
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28509525/melanoma-frequency-among-symmetrical-spitzoid-looking-lesions-a-retrospective-study
#8
Claudia Costa, Matteo Megna, Milena Cappello, Maddalena Napolitano, Giuseppe Monfrecola, Massimiliano Scalvenzi
BACKGROUND: Many efforts have been spent attempting to define clinical, histopathological and molecular markers for differential diagnosis of Spitz nevus and melanoma. Dermoscopy has been widely used but it may be not always sufficient. METHODS: A retrospective study was performed evaluating Spitzoid-looking lesions showing symmetry at clinical and dermoscopic examination in patients ≥ 12 years attending our Clinic from 2004 to 2014. Demographic, clinical and dermoscopic data were assessed for each lesion in order to highlight the most common characteristics which could help the differential diagnosis between Spitz nevus and melanoma when clinical or dermoscopic asymmetry is lacking...
May 16, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28441796/role-of-dietary-crocin-in-in-vivo-melanoma-tumor-remission
#9
Hamid A Bakshi, Faruck Lukmanul Hakkim, Smitha Sam, Farideh Javid
Background: Melanoma is a deadly form of malignancy. Early diagnosis might pave the way to cure but its aggressive nature leads to rapid dissemination and colonization of distant organs. Dietary herbs may play a significant role in prevention of cancer. In this study, we tested anti-tumor efficacy of the Crocus sativus derived active constituent crocin, it is well established to have anti-cancer properties in different cancer models by our group and other groups. Notably, crocin is reported to exert anti-proliferative effect on melanoma cells (B16F10) in vitro...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28399347/conjunctival-tumors-review-of-clinical-features-risks-biomarkers-and-outcomes-the-2017-j-donald-m-gass-lecture
#10
Carol L Shields, Jason L Chien, Thamolwan Surakiatchanukul, Kareem Sioufi, Sara E Lally, Jerry A Shields
Conjunctival tumors encompass a broad range of diagnoses. The 3 most important malignant tumors include ocular surface squamous neoplasia (OSSN) (14%), melanoma (12%), and lymphoma (7%). Conjunctival malignancies are rarely found in children. Regarding OSSN, pre-disposing conditions include chronic solar radiation, immune deficiency (HIV), organ transplant, autoimmune conditions, xeroderma pigmentosum, and chronic exposure to cigarette smoke. OSSN is managed surgically or with topical/injection immunotherapy or chemotherapy...
March 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28389693/the-advantages-and-challenges-of-using-fdg-pet-ct-for-response-assessment-in-melanoma-in-the-era-of-targeted-agents-and-immunotherapy
#11
REVIEW
Annie N M Wong, Grant A McArthur, Michael S Hofman, Rodney J Hicks
The treatment of melanoma has been revolutionised in recent years by advances in the understanding of the genomic landscape of this disease, which has led to the development of new targeted therapeutic agents, and the ability to therapeutically manipulate the immune system through inhibition of cancer cell-T-cell interactions that prevent an adaptive immune response. While these therapeutic interventions have dramatically improved the prospects of survival for patients with advanced melanoma, they bring significant complexity to the interpretation of therapeutic response because their mechanisms and temporal profile of response vary considerably...
April 7, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28378483/important-malignant-and-new-nail-tumors
#12
Eckart Haneke
The nail apparatus is an integral part of the functional unit of the digital tip. Although overall uncommon, all cells and tissues occurring in this area can give rise to neoplastic lesions. Given the special anatomical location, such tumors frequently show morphological and symptom-related differences compared to similar lesions located elsewhere on the skin. Though particularly threatening, there is often a substantial delay in the diagnosis of Bowen's disease, ungual squamous cell carcinoma, and melanoma...
April 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28368402/sox2-is-not-required-for-melanomagenesis-melanoma-growth-and-melanoma-metastasis-in-vivo
#13
V Cesarini, E Guida, F Todaro, S Di Agostino, V Tassinari, S Nicolis, R Favaro, S Caporali, P M Lacal, E Botti, A Costanzo, P Rossi, E A Jannini, S Dolci
Melanoma is a dangerous form of skin cancer derived from the malignant transformation of melanocytes. The transcription factor SOX2 is not expressed in melanocytes, however, it has been shown to be differentially expressed between benign nevi and malignant melanomas and to be essential for melanoma stem cell maintenance and expansion in vitro and in xenograft models. By using a mouse model in which BRaf(V600E) mutation cooperates with Pten loss to induce the development of metastatic melanoma, we investigated if Sox2 is required during the process of melanomagenesis, melanoma growth and metastasis and in the acquisition of resistance to BRAF inhibitors (BRAFi) treatments...
April 3, 2017: Oncogene
https://www.readbyqxmd.com/read/28356946/ginsenoside-rh2-enhances-the-antitumor-immunological-response-of-a-melanoma-mice-model
#14
Meng Wang, Shi-Ju Yan, Hong-Tao Zhang, Nan Li, Tao Liu, Ying-Long Zhang, Xiao-Xiang Li, Qiong Ma, Xiu-Chun Qiu, Qing-Yu Fan, Bao-An Ma
The treatment of malignant tumors following surgery is important in preventing relapse. Among all the post-surgery treatments, immunomodulators have demonstrated satisfactory effects on preventing recurrence according to recent studies. Ginsenoside is a compound isolated from panax ginseng, which is a famous traditional Chinese medicine. Ginsenoside aids in killing tumor cells through numerous processes, including the antitumor processes of ginsenoside Rh2 and Rg1, and also affects the inflammatory processes of the immune system...
February 2017: Oncology Letters
https://www.readbyqxmd.com/read/28329671/trends-of-skin-cancer-incidence-following-transplantation-in-the-united-states
#15
Sarah T Arron
BackgroundSkin cancer is the most common malignancy occurring after organ transplantation. Although previous research has reported an increased risk of skin cancer in solid organ transplant recipients (OTR), no study has estimated the post-transplant population-based incidence in the US. The objective of this study is to determine the incidence and evaluate the predictors of post-transplant skin cancer, including squamous cell carcinoma (SCC), melanoma (MM), and Merkel cell carcinoma (MCC) in a cohort of US OTR receiving a primary transplant in 2003 or 2008...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329136/chronic-resveratrol-treatment-inhibits-mrc5-fibroblast-sasp-related-protumoral-effects-on-melanoma-cells
#16
Beatrice Menicacci, Anna Laurenzana, Anastasia Chillà, Francesca Margheri, Silvia Peppicelli, Elisabetta Tanganelli, Gabriella Fibbi, Lisa Giovannelli, Mario Del Rosso, Alessandra Mocali
Cellular senescence is related to organismal aging and is observed after DNA damaging cancer therapies, that induce tumor-suppressive modifications, but it is characterized by a strong increase in secreted factors, termed the "senescence-associated secretory phenotype" (SASP). Particularly, SASP from stroma senescent fibroblasts creates a cancer-favoring microenvironment, providing targets for anti-cancer interventions. In the present article, chronic treatment (5 weeks) with 5 µM resveratrol has been used to modulate senescence-related protumoral features of MRC5 fibroblasts, reducing SASP-related interleukins IL1α, IL1β, IL6, and IL8; transforming-growth-factor-β (TGFβ); matrix metallo-proteinases MMP3 and MMP2; urokinase plasminogen activator (uPA); receptor proteins uPAR, IL6R, insulin growth factor receptor-1 (IGF-1R), TGFβ-R2, and CXCR4...
January 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28325214/antibody-based-cancer-therapy-successful-agents-and-novel-approaches
#17
D Hendriks, G Choi, M de Bruyn, V R Wiersma, E Bremer
Since their discovery, antibodies have been viewed as ideal candidates or "magic bullets" for use in targeted therapy in the fields of cancer, autoimmunity, and chronic inflammatory disorders. A wave of antibody-dedicated research followed, which resulted in the clinical approval of a first generation of monoclonal antibodies for cancer therapy such as rituximab (1997) and cetuximab (2004), and infliximab (2002) for the treatment of autoimmune diseases. More recently, the development of antibodies that prevent checkpoint-mediated inhibition of T cell responses invigorated the field of cancer immunotherapy...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28319049/resisting-fatal-attraction-a-glioma-oncometabolite-prevents-cd8-t-cell-recruitment
#18
Liliana E Lucca, David A Hafler
Immunotherapy has emerged as a potent approach for treating aggressive cancers, such as non-small-cell lung tumors and metastatic melanoma. Clinical trials are now in progress for patients with malignant gliomas; however, a better understanding of how these tumors escape immune surveillance is required to enhance antitumor immune responses. With gliomas, the recruitment of CD8+ T cells to the tumor is impaired, in part preventing containment or elimination of the tumor. In this issue of the JCI, Kohanbash and colleagues present an elegant dissection of how gliomas exploit an enzymatic activity acquired through a common mutation to abrogate the migration of CD8+ T cells to the tumor...
April 3, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28303962/identification-of-novel-chemotherapeutic-strategies-for-metastatic-uveal-melanoma
#19
Paolo Fagone, Rosario Caltabiano, Andrea Russo, Gabriella Lupo, Carmelina Daniela Anfuso, Maria Sofia Basile, Antonio Longo, Ferdinando Nicoletti, Rocco De Pasquale, Massimo Libra, Michele Reibaldi
Melanoma of the uveal tract accounts for approximately 5% of all melanomas and represents the most common primary intraocular malignancy. Despite improvements in diagnosis and more effective local therapies for primary cancer, the rate of metastatic death has not changed in the past forty years. In the present study, we made use of bioinformatics to analyze the data obtained from three public available microarray datasets on uveal melanoma in an attempt to identify novel putative chemotherapeutic options for the liver metastatic disease...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28258545/the-role-of-immune-checkpoint-inhibition-in-the-treatment-of-brain-tumors
#20
REVIEW
Andrew S Luksik, Russell Maxwell, Tomas Garzon-Muvdi, Michael Lim
The standard of care for malignant gliomas of the brain has changed very little over the last few decades, and does not offer a cure for these rare, but fatal, tumors. The field of immunotherapy has brought potent new drugs into the oncological armamentarium, and is becoming recognized as a potentially important arm in the treatment of glioblastoma for adults. Immune checkpoints are inhibitory receptors found on immune cells that, when stimulated, cause those immune cells to become quiescent. While this is a natural mechanism to prevent excessive inflammatory damage and autoimmunity in otherwise healthy tissues, cancer cells may utilize this process to grow in the absence of targeted immune destruction...
March 3, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
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