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https://www.readbyqxmd.com/read/28439836/prediction-of-mirna-mrna-interactions-using-mirgate
#1
Eduardo Andrés-León, Gonzalo Gómez-López, David G Pisano
miRGate ( http://mirgate.bioinfo.cnio.es /) is a freely available database that contains predicted and experimentally validated microRNA-messenger RNA (miRNA-mRNA) target pairs. This resource includes novel predictions from five well-established algorithms, but recalculated from a common and comprehensive sequence dataset. It includes all 3'-UTR sequences of all known genes of the three more widely employed genomes (human, mouse, and rat), and all annotated miRNA sequences from those genomes. Besides, it also contains predictions for all genes in human targeted by miRNA viruses such as Epstein-Barr and Kaposi sarcoma-associated herpes virus...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28438388/kaposiform-haemangioendothelioma-a-review-with-emphasis-on-histological-differential-diagnosis
#2
REVIEW
Juan Putra, Anita Gupta
Kaposiform haemangioendothelioma (KHE) is a rare, locally aggressive/borderline vascular tumour primarily seen in neonates and children. KHE is occasionally associated with Kasabach-Merritt phenomenon and tends to have a poor clinical prognosis. While the histological features of tufted angiomas and KHE overlap, some believe tufted angiomas are a milder, benign, more localised counterpart of KHE. The other histological differential diagnoses of KHE include infantile haemangioma, congenital haemangioma, spindle cell haemangioma, verrucous malformation/haemangioma, and Kaposi sarcoma...
April 21, 2017: Pathology
https://www.readbyqxmd.com/read/28434260/dapsone-associated-fixed-drug-eruption
#3
Daniel Garcia, Philip R Cohen
Dapsone is a sulfone drug used to treat infectious conditions and also numerous dermatologic diseases. Fixed drug eruption is a distinctive adverse cutaneous reaction associated with the initial administration and subsequent delivery of a specific agent. Areas Covered: The authors preformed a literature search using the following keywords: dapsone, fixed drug eruption, and adverse cutaneous drug reaction. Bibliographies were also reviewed for pertinent articles. The results were combed for relevant papers and reviewed...
April 24, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28430817/kaposi-sarcoma-herpesvirus-kshv-latency-associated-nuclear-antigen-lana-recruits-components-of-the-mrn-mre11-rad50-nbs1-repair-complex-to-modulate-an-innate-immune-signaling-pathway-and-viral-latency
#4
Giuseppe Mariggiò, Sandra Koch, Guigen Zhang, Magdalena Weidner-Glunde, Jessica Rückert, Semra Kati, Susann Santag, Thomas F Schulz
Kaposi Sarcoma Herpesvirus (KSHV), a γ2-herpesvirus and class 1 carcinogen, is responsible for at least three human malignancies: Kaposi Sarcoma (KS), Primary Effusion Lymphoma (PEL) and Multicentric Castleman's Disease (MCD). Its major nuclear latency protein, LANA, is indispensable for the maintenance and replication of latent viral DNA in infected cells. Although LANA is mainly a nuclear protein, cytoplasmic isoforms of LANA exist and can act as antagonists of the cytoplasmic DNA sensor, cGAS. Here, we show that cytosolic LANA also recruits members of the MRN (Mre11-Rad50-NBS1) repair complex in the cytosol and thereby inhibits their recently reported role in the sensing of cytoplasmic DNA and activation of the NF-κB pathway...
April 21, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28430735/sodium-tetradecyl-sulfate-a-review-of-clinical-uses
#5
Helena A Jenkinson, Kelly M Wilmas, Sirunya Silapunt
BACKGROUND: Sodium tetradecyl sulfate (STS) is Food and Drug Administration approved for treatment of varicose veins, but numerous other off-label applications have been reported. OBJECTIVE: To describe the clinical uses of STS, as well as efficacy and adverse effects. METHODS: Review of studies searchable on PubMed from 1938 to 2016 describing clinical uses of STS to determine efficacy and adverse effects associated with various applications...
April 19, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28424322/kaposi-sarcoma-inflammatory-cytokine-syndrome-kics-a-rare-but-potentially-treatable-condition
#6
Michael Karass, Emily Grossniklaus, Talal Seoud, Sanjay Jain, Daniel A Goldstein
Kaposi sarcoma inflammatory cytokine syndrome (KICS) is a newly-described condition affecting individuals who are HIV-positive and are infected with human herpesvirus 8 (HHV-8). This is a syndrome that in some ways mimics severe sepsis with associated acute respiratory distress syndrome, possibly requiring a ventilator and vasopressor support. However, unlike severe sepsis, antibiotics provide no benefit. Management of KICS has not been fully elucidated because of its high mortality rate. However, the syndrome has been successfully treated in some cases with immunomodulatory therapy...
April 19, 2017: Oncologist
https://www.readbyqxmd.com/read/28421060/the-heme-metabolite-carbon-monoxide-facilitates-kshv-infection-by-inhibiting-tlr4-signaling-in-endothelial-cells
#7
Sara Botto, Jean K Gustin, Ashlee V Moses
Kaposi sarcoma herpesvirus (KSHV) is the etiologic agent of Kaposi sarcoma (KS) and certain rare B cell lymphoproliferative disorders. KSHV infection of endothelial cells (EC) in vitro increases expression of the inducible host-encoded enzyme heme oxygenase-1 (HO-1), which is also strongly expressed in KS tumors. HO-1 catalyzes the rate-limiting step in the conversion of heme into iron, biliverdin and the gasotransmitter carbon monoxide (CO), all of which share anti-apoptotic, anti-inflammatory, pro-survival, and tumorigenic activities...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28419187/kaposi-sarcoma-in-a-patient-treated-with-ruxolitinib
#8
G G Loscocco, M Vannucchi, C Paoli, A Franci, L Pieri, F Annunziato, D Massi, A M Vannucchi
No abstract text is available yet for this article.
April 13, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28415759/kshv-co-infection-down-regulates-hpv16-e6-and-e7-from-cervical-cancer-cells
#9
Lu Dai, Yueyu Cao, Wei Jiang, Jovanny Zabaleta, Zhongmin Liu, Jing Qiao, Zhiqiang Qin
High-risk human papillomavirus (HPV) infection is the etiological agent of some malignancies such as cervical, oral and oropharyngeal cancers. Kaposi sarcoma-associated herpesvirus (KSHV) represents a principal causative agent of several human cancers arising in those immunocompromised patients. Interestingly, KSHV DNA has been detected in the oral cavity and the female genital tract, although its detection rate in cervical samples is very low and few reports are about KSHV/HPV co-infection. Therefore, it remains unclear about the role of KSHV co-infection in the development of HPV-related neoplasias...
March 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410949/-pigmentations-of-the-oral-cavity
#10
Jean-Christophe Fricain, Vincent Sibaud
Buccal mucosa color is explained by hemoglobin in the vessels and melanin in the epithelium. Abnormal presence of melanin pigments (hypermelaninosis, hypermelanocytosis), hematic pigments (hemoglobin, hemosiderin, iron) but also some exogenous circonstancies explain pigmented lesions (figure 1). These lesions could be localized (single lesions), multifocal (multiple lesions) or diffused. In case of a localized pigmentation with melanic appearance, melanoma must be systematically eliminated with a biopsy. In the case of a more diffused lesion, systemic disease must be evoked...
April 12, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28410134/pathogen-associated-regulatory-non-coding-rnas-and-oncogenesis
#11
Noriyuki Yoshida, Tominori Kimura
Among all new cancer cases in 2012, on average, 15.4% were caused by Helicobacter pylori or oncoviruses, including Epstein-Barr virus, human papillomavirus, hepatitis B virus, hepatitis C viruses, Kaposi sarcoma-associated herpesvirus and human T-lymphotropic virus. These pathogens encode a variety of non-coding RNAs, which are important cofactors for oncogenesis. In this review, we focus on recent developments in the study of long and small non-protein-coding RNAs, including microRNAs, of oncogenic pathogens, and discuss their mechanisms of action in the multiple steps of oncogenesis...
June 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28407694/molecular-mechanisms-of-activating-c-met-in-kshv-primary-effusion-lymphoma
#12
Bao Quoc Lam, Lu Dai, Li Li, Jing Qiao, Zhen Lin, Zhiqiang Qin
The oncogenic Kaposi's sarcoma-associated herpesvirus (KSHV) is a principal causative agent of primary effusion lymphoma (PEL), which is mostly seen in immunosuppressed patients. PEL is a rapidly progressing malignancy with a median survival time of approximately 6 months even under the conventional chemotherapy. We recently report that the hepatocyte growth factor (HGF)/c-MET pathway is highly activated in PEL cells and represents a promising therapeutic target (Blood. 2015;126(26):2821-31). However, the underlying mechanisms of c-MET activation within PEL cells remain largely unknown...
March 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28407201/cancer-incidence-profile-in-sub-saharan-african-born-blacks-in-the-united-states-similarities-and-differences-with-us-born-non-hispanic-blacks
#13
Genet A Medhanie, Stacey A Fedewa, Hibret Adissu, Carol E DeSantis, Rebecca L Siegel, Ahmedin Jemal
BACKGROUND: Sub-Saharan African-born blacks (ABs) are one of the fastest-growing populations in the United States. However, to the authors' knowledge, data regarding the cancer burden in this group are lacking, which would inform targeted cancer prevention and control. METHODS: The authors calculated age-standardized proportional incidence ratios (PIRs) comparing the frequency of the top 15 cancers in ABs with that of US-born non-Hispanic blacks (USBs) by sex and region of birth using incidence data for 2000 through 2012 from the Surveillance, Epidemiology, and End Results (SEER 17) program...
April 13, 2017: Cancer
https://www.readbyqxmd.com/read/28404899/balb-c-mice-immunized-with-a-combination-of-virus-like-particles-incorporating-kaposi-sarcoma-associated-herpesvirus-kshv-envelope-glycoproteins-gpk8-1-gb-and-gh-gl-induced-comparable-serum-neutralizing-antibody-activity-to-uv-inactivated-kshv
#14
Anne K Barasa, Peng Ye, Meredith Phelps, Ganapathiram T Arivudainambi, Timelia Tison, Javier Gordon Ogembo
Infection with Kaposi sarcoma-associated herpesvirus (KSHV) is estimated to account for over 44,000 new cases of Kaposi sarcoma annually, with 84% occurring in Africa, where the virus is endemic. To date, there is no prophylactic vaccine against KSHV. KSHV gpK8.1, gB, and gH/gL glycoproteins, implicated in the virus entry into host cells, are attractive vaccine targets for eliciting potent neutralizing antibodies (nAbs) against virus infection. We incorporated gpK8.1, gB, or gH/gL on the surface of virus-like particles (VLPs) and characterized these VLPs for their composition, size, and functionality...
February 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28399009/primary-effusion-lymphoma-current-concepts-and-management
#15
Nivedita Arora, Arjun Gupta, Navid Sadeghi
PURPOSE OF REVIEW: To summarize the current epidemiology, management, and outcomes of primary effusion lymphoma (PEL) and highlight possible future research efforts. RECENT FINDINGS: Cyclophosphamide, doxorubicin, vincristine, prednisone-based chemotherapy regimens alone or in combination with immunomodulatory agents (e.g., lenalidomide), or proteasome inhibitors (e.g., bortezomib), or targeted therapies, are commonly used to treat PEL. Highly active antiretroviral therapy should be continued or initiated in patients with HIV infection...
April 8, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28395104/hhv8-kshv-positive-lymphoproliferative-disorders-and-the-spectrum-of-plasmablastic-and-plasma-cell-neoplasms-2015-sh-eahp-workshop-report-part-3
#16
Amy Chadburn, Jonathan Said, Dita Gratzinger, John K C Chan, Daphne de Jong, Elaine S Jaffe, Yasodha Natkunam, John R Goodlad
Objectives: The 2015 Workshop of the Society for Hematopathology/European Association for Haematopathology aimed to review immunodeficiency-related lymphoproliferative disorders with plasmablastic and plasma cell differentiation. Methods: The workshop panel reviewed human herpes virus 8 (HHV8)/Kaposi sarcoma herpesvirus (KSHV)-associated lesions and other lesions exhibiting plasma cell differentiation, including plasmablastic proliferations with features of myeloma/plasmacytoma, plasmablastic neoplasms presenting in extranodal sites and effusion-based lymphomas, and rendered a consensus diagnosis...
February 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28394855/associations-of-cd4-t-cell-count-hiv-1-rna-viral-load-and-antiretroviral-therapy-with-kaposi-sarcoma-risk-among-hiv-infected-persons-in-the-united-states-and-canada
#17
Robert Dubrow, Li Qin, Haiqun Lin, Raúl U Hernández-Ramírez, Romain S Neugebauer, Wendy Leyden, Keri N Althoff, Chad J Achenbach, Nancy A Hessol, Sharada P Modur, Gypsyamber D'Souza, Ronald J Bosch, Surbhi Grover, Michael A Horberg, Mari M Kitahata, Angel M Mayor, Richard M Novak, Charles S Rabkin, Timothy R Sterling, James J Goedert, Amy C Justice, Eric A Engels, Richard D Moore, Michael J Silverberg
BACKGROUND: Kaposi sarcoma (KS) remains common among HIV-infected persons. To better understand KS etiology and to help target prevention efforts, we comprehensively examined a variety of CD4+ T-cell count and HIV-1 RNA viral load (VL) measures, as well as antiretroviral therapy (ART) use, to determine independent predictors of KS risk. SETTING: North American AIDS Cohort Collaboration on Research and Design. METHODS: We followed HIV-infected persons during 1996-2009 from 18 cohorts...
April 7, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28393364/sirt1-and-ampk-pathways-are-essential-for-the-proliferation-and-survival-of-primary-effusion-lymphoma-cells
#18
Meilan He, Brandon Tan, Karthik Vasan, Hongfeng Yuan, Fan Cheng, Suzane Ramos da Silva, Chun Lu, Shou-Jiang Gao
Primary effusion lymphoma (PEL) is a rare and aggressive B-cell lymphoma with a dismal prognosis caused by infection of Kaposi's sarcoma-associated herpesvirus. Despite the findings that numerous viral genes and cellular pathways are essential for the proliferation and survival of PEL cells, there is currently no effective therapeutic treatment for PEL. Here, we report that the metabolic sensor SIRT1 is functionally required for sustaining the proliferation and survival of PEL cells. Knockdown of SIRT1 with specific shRNAs or inhibition of SIRT1 with an inhibitor (Tenovin-6) induced cell cycle arrest and apoptosis in PEL cells...
April 9, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28386979/atypical-and-severe-airborne-isothiazolinone-contact-dermatitis-mimicking-kaposi-juliusberg-syndrome
#19
Aurélie Du-Thanh, Muriel Lalande, Nadia Raison-Peyron, Olivier Dereure
No abstract text is available yet for this article.
May 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/28383682/kaposi-s-sarcoma-associated-herpesvirus-polyadenylated-nuclear-rna-a-structural-scaffold-for-nuclear-cytoplasmic-and-viral-proteins
#20
Joanna Sztuba-Solinska, Jason W Rausch, Rodman Smith, Jennifer T Miller, Denise Whitby, Stuart F J Le Grice
Kaposi's sarcoma-associated herpes virus (KSHV) polyadenylated nuclear (PAN) RNA facilitates lytic infection, modulating the cellular immune response by interacting with viral and cellular proteins and DNA. Although a number nucleoprotein interactions involving PAN have been implicated, our understanding of binding partners and PAN RNA binding motifs remains incomplete. Herein, we used SHAPE-mutational profiling (SHAPE-MaP) to probe PAN in its nuclear, cytoplasmic or viral environments or following cell/virion lysis and removal of proteins...
April 5, 2017: Nucleic Acids Research
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