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https://www.readbyqxmd.com/read/29665774/prediction-of-microrna-disease-associations-based-on-distance-correlation-set
#1
Haochen Zhao, Linai Kuang, Lei Wang, Pengyao Ping, Zhanwei Xuan, Tingrui Pei, Zhelun Wu
BACKGROUND: Recently, numerous laboratory studies have indicated that many microRNAs (miRNAs) are involved in and associated with human diseases and can serve as potential biomarkers and drug targets. Therefore, developing effective computational models for the prediction of novel associations between diseases and miRNAs could be beneficial for achieving an understanding of disease mechanisms at the miRNA level and the interactions between diseases and miRNAs at the disease level. Thus far, only a few miRNA-disease association pairs are known, and models analyzing miRNA-disease associations based on lncRNA are limited...
April 17, 2018: BMC Bioinformatics
https://www.readbyqxmd.com/read/29665645/microrna-195-regulates-docetaxel-resistance-by-targeting-clusterin-in-prostate-cancer
#2
Xiaokun Ma, Liyuan Zou, Xing Li, Zhanhong Chen, Qu Lin, Xiangyuan Wu
MicroRNAs (miRNAs) have been implicated in neoplasm growth, metastasis, vasculogenesis, and drug resistance. It has been validated that abnormal miR-195 expression was related with poor survival of prostate cancer (PC); however, its role in the resistance to chemotherapeutic drugs docetaxel (DOC) in PC is still acquainted scarcely. In our study, the lower expression of miR-195 was appeared in DOC-resistant PC cells (DU145/DOC) rather than DOC-sensitive DU145 cells. The up-regulation of miR-195 lowered the IC50 of DOC, facilitated the apoptosis and inhibited the colony formation ability in DU145/DOC cells...
March 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29664916/is-periodontitis-a-risk-indicator-for-cancer-a-meta-analysis
#3
Stefano Corbella, Paolo Veronesi, Viviana Galimberti, Roberto Weinstein, Massimo Del Fabbro, Luca Francetti
BACKGROUND: The aim of the present systematic review was to evaluate the hypothesis of an association between periodontitis and the development of cancer. METHODS: Two reviewers independently screened electronic and manual sources for pertinent articles. Primary outcome measures were the occurrence of neoplasm diagnosis in exposed and non-exposed groups, reported to evaluate association between cancer and periodontitis. RESULTS: Of the 490 initially retrieved papers 10 were included in the qualitative synthesis and eight in the quantitative synthesis; the eight papers covered six studies...
2018: PloS One
https://www.readbyqxmd.com/read/29664244/the-role-of-68ga-psma-pet-ct-scan-in-biochemical-recurrence-after-primary-treatment-for-prostate-cancer-a-systematic-review-of-literature
#4
Ahmed Eissa, Ahmed El Sherbiny, Rafael F Coelho, Jens Rassweiler, John W Davis, Francesco Porpiglia, Vipul R Patel, Napoleone Prandini, Salvatore Micali, Maria C Sighinolfi, Stefano Puliatti, Bernardo Rocco, Giampaolo Bianchi
INTRODUCTION: Recurrence after primary treatment of prostate cancer is one of the major challenges facing urologists. Biochemical recurrence is not rare and occurs in up to one third of the patients undergoing radical prostatectomy. Management of biochemical recurrence is tailored according to the site and the burden of recurrence. Therefore, developing an imaging technique to early detect recurrent lesions represents an urgent need. Positron emission tomography (PET) of 68Ga-labelled prostate-specific membrane antigen (68Ga-PSMA) is an emerging imaging modality that seems to be a promising tool with capability to localize recurrent prostate cancer...
April 17, 2018: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/29660830/cytologic-diagnosis-of-primary-peritoneal-high-grade-serous-carcinoma-in-a-man
#5
Brandon Umphress, John Philip, Yaxia Zhang, Xiaoqi Lin
Primary peritoneal serous carcinoma (PPSC) is a rare neoplasm histologically indistinguishable from ovarian serous carcinoma primarily occurring in the female population. To date, extremely rare cases of PPSC have been reported in men; however, diagnosis by cytology has yet to be described. Here we present the clinical, radiographic, cytomorphologic, histologic and immunohistochemical (IHC) findings of a high-grade (HG) PPSC in a 70-year-old man with a history of prostatic adenocarcinoma. Core needle biopsy (CNB) touch preparation smears showed pleomorphic, round, columnar and polygonal epithelioid cells present singly or arranged in loosely cohesive three-dimensional clusters...
April 16, 2018: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/29655462/obesity-thrombotic-risk-and-inflammation-in-cancer
#6
Benjamín Rubio-Jurado, Luz-Ma-Adriana Balderas-Peña, Eduardo E García-Luna, María G Zavala-Cerna, Carlos Riebeling-Navarro, Pedro A Reyes, Arnulfo H Nava-Zavala
Neoplasms exhibits a high incidence and mortality rates due to their complex and commonly overlapping clinical, biochemical, and morphologic profiles influenced by acquired or inherited molecular abnormalities, cell of origin, and level of differentiation. Obesity appears related to ~20% of cancers including endometrial, esophageal, colorectal, postmenopausal breast, prostate, and renal. Several factors other than obesity, i.e., insulin, insulin-like growth factor, sexual hormones, and adipokines may play a potential role in neoplasia...
2018: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/29642374/cancer-mortality-in-residents-of-the-cadmium-polluted-jinzu-river-basin-in-toyama-japan
#7
Muneko Nishijo, Hideaki Nakagawa, Yasushi Suwazono, Kazuhiro Nogawa, Masaru Sakurai, Masao Ishizaki, Teruhiko Kido
After 26 years, we followed up 7348 participants in a 1979-1984 health screening survey in the Jinzu River basin, the heaviest cadmium-polluted area in Japan. We assessed the associations of cadmium exposure levels and mortality from cancer and renal damage, indicated by records of proteinuria and glucosuria in the original survey. Mortality risks (hazard ratios) were analyzed using the Cox proportional hazards model, stratified by sex, after adjusting for age, smoking status, and hypertension, as indicated in the original survey records...
April 6, 2018: Toxics
https://www.readbyqxmd.com/read/29624700/sarcomatoid-pilomatrix-carcinoma
#8
Angel Fernandez-Flores, David S Cassarino
Pilomatrical (pilomatrix) carcinoma is a rare cutaneous adnexal tumor with matrical differentiation and recurrent and metastatic potential. Sarcomatoid pilomatrix carcinoma is a rare variant which shows a sarcomatoid component intermingling with the epithelial one. There are only four cases previously published. We present an additional case on the hand of a 78 year-old man which appeared as a 6 mm hyperkeratotic ─focally ulcerated─ plaque. A shave biopsy demonstrated a dermal infiltrative neoplasm, composed of markedly atypical-appearing basaloid cells with focal necrotic/ghost cells, as well as an intimately associated population of atypical oval to spindle-shaped cells...
April 6, 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29619882/ellpmda-ensemble-learning-and-link-prediction-for-mirna-disease-association-prediction
#9
Xing Chen, Zhihan Zhou, Yan Zh Ao
Recently, accumulating evidences have indicated miRNAs play critical roles in the progression and development of various human complex diseases, which pointed out that identifying miRNA-disease association could enable us to understand diseases at miRNA level. Thus, revealing more and more potential miRNA-disease associations is a vital topic in biomedical domain. However, it will be extremely expensive and time-consuming if we examine all the possible miRNA-disease pairs. Therefore, more accurate and efficient methods are being highly requested to detect potential miRNA-disease associations...
April 5, 2018: RNA Biology
https://www.readbyqxmd.com/read/29536021/small-cell-carcinoma-of-prostate-a-case-report-of-a-patient-with-concomitant-transitional-cell-cancer-of-the-bladder
#10
Waiel Abusnina, Eric Yiman Auyoung, Mohammed Megri, Toni Pacioles
Small cell carcinomas (SCCs) are aggressive neoplasms commonly associated with a pulmonary origin. However, albeit rare, extrapulmonary SCC can occur in a variety of sites with an incidence in North America approximated to be 0.1% to 0.4%. Among these sites, approximately 10% of extrapulmonary SCC cases occur in the prostate and are associated with a poor mortality with a median survival of 10 months. Because of the rarity of the prostatic SCC, there is no formal treatment protocol. In this case report, we present a patient who was diagnosed with SCC in the prostate as primary origin...
January 2018: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29533281/a-case-of-a-malignant-cutaneous-mixed-tumor-chondroid-syringoma-of-the-scapula-treated-with-staged-margin-controlled-excision
#11
Karan Lal, Travis J Morrell, Michael Cunningham, Patrick OʼDonnell, Nikki A Levin, Kristine M Cornejo
Cutaneous mixed tumor (chondroid syringoma) is the cutaneous counterpart of pleomorphic adenoma of salivary glands, comprised of both epithelial and mesenchymal components. Malignant transformation is exceptionally rare, with only a few cases reported. We report a case of a malignant cutaneous mixed tumor in an 86-year-old white man who presented with a pink indurated plaque on his left scapula. He had a history of nonmelanoma skin cancers, a stage IB malignant melanoma of a lower extremity and Gleason 4 + 3 prostate cancer treated with brachytherapy, external beam irradiation, and bicalutamide...
March 6, 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29532987/ndamda-network-distance-analysis-for-mirna-disease-association-prediction
#12
Xing Chen, Le-Yi Wang, Li Huang
In recent years, microRNAs (miRNAs) are attracting an increasing amount of researchers' attention, as accumulating studies show that miRNAs play important roles in various basic biological processes and that dysregulation of miRNAs is connected with diverse human diseases, particularly cancers. However, the experimental methods to identify associations between miRNAs and diseases remain costly and laborious. In this study, we developed a computational method named Network Distance Analysis for MiRNA-Disease Association prediction (NDAMDA) which could effectively predict potential miRNA-disease associations...
March 13, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29528821/lynch-syndrome-genomics-update-and-imaging-review
#13
Veronica L Cox, Anas A Saeed Bamashmos, Wai Chin Foo, Shiva Gupta, Sireesha Yedururi, Naveen Garg, Hyunseon Christine Kang
Lynch syndrome is the most common hereditary cancer syndrome, the most common cause of heritable colorectal cancer, and the only known heritable cause of endometrial cancer. Other cancers associated with Lynch syndrome include cancers of the ovary, stomach, urothelial tract, and small bowel, and less frequently, cancers of the brain, biliary tract, pancreas, and prostate. The oncogenic tendency of Lynch syndrome stems from a set of genomic alterations of mismatch repair proteins. Defunct mismatch repair proteins cause unusually high instability of regions of the genome called microsatellites...
March 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29528717/malignant-mesothelioma-in-individuals-with-nonmesothelial-neoplasms
#14
Kelly J Butnor, Elizabeth N Pavlisko, Thomas A Sporn, Victor L Roggli
CONTEXT: - Malignant mesothelioma (MM) is a component of the BAP1 tumor predisposition syndrome. Other than in BAP1 familial studies, nonmesothelial neoplasms in individuals with MM has not been comprehensively assessed. OBJECTIVE: - To assess the spectrum and prevalence of nonmesothelial neoplasms in individuals with MM. DESIGN: - Individuals with MM and second neoplasms were identified from a database of 3900 MM cases. The expected prevalence of each type of neoplasm was calculated and compared with the actual prevalence in the study population using available Surveillance, Epidemiology, and End Results data and other published data...
March 12, 2018: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29521942/predictors-of-progression-among-low-risk-intraductal-papillary-mucinous-neoplasms-in-a-multicenter-surveillance-cohort
#15
Valerie Gausman, Pujan Kandel, Priscilla A Van Riet, Maria Moris, Maia Kayal, Catherine Do, John M Poneros, Amrita Sethi, Frank G Gress, Beth A Schrope, Lyndon Luk, Elizabeth Hecht, Manol Jovani, Marco J Bruno, Djuna L Cahen, Michael B Wallace, Tamas A Gonda
OBJECTIVES: Our aim was to identify baseline characteristics associated with disease progression and malignant transformation in low-risk suspected intraductal papillary mucinous neoplasms (IPMNs). METHODS: This is a retrospective cohort study of prospectively maintained databases of pancreatic cysts at 3 international, academic institutions. Five hundred fifty-nine adult patients with clinically suspected asymptomatic IPMN evaluated by radiologic studies or endoscopic ultrasound between 2003 and 2013 without worrisome features and under surveillance for 12 months or longer were included...
April 2018: Pancreas
https://www.readbyqxmd.com/read/29521265/-efficacy-of-lycopene-intake-in-primary-prevention-of-prostate-cancer-a-systematic-review-of-the-literature-and-meta-analysis
#16
Juan Guillermo Cataño, Carlos Gustavo Trujillo, Juan Ignacio Caicedo, Alejandra Bravo-Balado, Daniela Robledo, Angela Marcela Mariño-Alvarez, Adriana Pedraza, María Juliana Arcila, Mauricio Plata
OBJECTIVE: To evaluate the efficacy of lycopene intake in primary prevention of prostate cancer (PCa). METHODS: A systematic search of the literature was conducted in March 2015 and the articles published between the years 1990-2015 were reviewed. The following search terms were used: prostate cancer, prostatic neoplasm, lycopene, prevention, effectiveness and efficacy (MeSH). Publications including research in humans, written in English and whose texts were accessible were reviewed...
March 2018: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/29515776/neovascular-psma-expression-is-a-common-feature-in-malignant-neoplasms-of-the-thyroid
#17
Birthe Heitkötter, Konrad Steinestel, Marcel Trautmann, Inga Grünewald, Peter Barth, Heidrun Gevensleben, Martin Bögemann, Eva Wardelmann, Wolfgang Hartmann, Kambiz Rahbar, Sebastian Huss
Aim: PSMA (prostate-specific membrane antigen) is physiologically expressed in normal prostate tissue and over expressed in prostate cancer cells, therefore constituting a potential target for antibody-based radioligand therapy. Very recent imaging findings reported PSMA-PET/CT uptake in various thyroid lesions. We were therefore encouraged to systematically analyse PSMA expression in different benign and malignant thyroid lesions. Methods: Immunohistochemistry was used to detect PSMA expression in 101 thyroid lesions, while neovasculature was identified by CD34 immunostaining...
February 9, 2018: Oncotarget
https://www.readbyqxmd.com/read/29505302/ampk-gsk3%C3%AE-%C3%AE-catenin-cascade-triggered-overexpression-of-cemip-promotes-migration-and-invasion-in-anoikis-resistant-prostate-cancer-cells-by-enhancing-metabolic-reprogramming
#18
Peng Zhang, Yarong Song, Yadong Sun, Xuechao Li, Lifeng Chen, Likun Yang, Yifei Xing
Prostate cancer (PCa) represents one of the most common solid neoplasms, and metastasis is the second leading cause of death in adult males. Anoikis is a programmed cell death that is induced upon cell detachment from the extracellular matrix (ECM), which behaves as a critical protective mechanism for anchorage-independent cell growth and metastasis formation. However, in the absence of ECM attachment, shift of metabolic pattern and tolerance to anoikis facilitate the survival of aggressive cancer cells in the circulatory system as well as their metastasis to distant sites...
March 5, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29487753/acquired-elliptocytosis-as-a-manifestation-of-myelodysplastic-syndrome-associated-with-deletion-of-chromosome-20q
#19
Sukesh Manthri, Naresh K Vasireddy, Sindhura Bandaru, Swati Pathak
Elliptocytosis is commonly seen as a hereditary condition. We present a case of myelodysplastic syndrome (MDS) del(q20) variant with concomitant acquired elliptocytosis. A 73-year-old male with a history of prostate cancer presented to the hospital for evaluation of bleeding gums. Initial evaluation showed Hgb of 9.3 gm/dl, hematocrit of 28%, platelet count of 36,000 K/cmm, and WBC of 1.8 K/cmm with an ANC of 0.8 K/cmm. A slightly elevated bilirubin of 1.2 mg/dl spurred a hemolytic workup. Peripheral smear showed frequent elliptocytes, teardrop cells, schistocytes, and occasional spherocytes...
2018: Case Reports in Hematology
https://www.readbyqxmd.com/read/29460833/-representation-analysis-of-mirna-from-clarified-urine-and-urine-microvesicles-in-prostate-malignancies-and-non-malignant-neoplasms
#20
I A Zaporozhchenko, O E Bryzgunova, E A Lekchnov, I D Osipov, M M Zaripov, Yu B Yurchenko, S V Yarmoschuk, O A Pashkovskaya, E Yu Rykova, A A Zheravin, P P Laktionov
Urine of prostate cancer patients contains tumor-specific biopolymers, including protein- and microvesiclesassociated miRNAs that can potentially be used as oncomarkers. Previously we have characterized urine extracellular vesicles and demonstrated diagnostic potential of their miRNA cargo. In this study, we have performed a comparative analysis of the expression of 84 miRNA in paired samples of urine microvesicles and clarified urine from healthy men, patients with benign hyperplasia and cancer of the prostate using miRCURY LNA miRNA qPCR Panels...
January 2018: Biomedit︠s︡inskai︠a︡ Khimii︠a︡
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