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https://www.readbyqxmd.com/read/28823056/exploiting-non-canonical-translation-to-identify-new-targets-for-t-cell-based-cancer-immunotherapy
#1
REVIEW
Céline M Laumont, Claude Perreault
Cryptic MHC I-associated peptides (MAPs) are produced via two mechanisms: translation of protein-coding genes in non-canonical reading frames and translation of allegedly non-coding sequences. In general, cryptic MAPs are coded by relatively short open reading frames whose translation can be regulated at the level of initiation, elongation or termination. In contrast to conventional MAPs, the processing of cryptic MAPs is frequently proteasome independent. The existence of cryptic MAPs derived from allegedly non-coding regions enlarges the scope of CD8 T cell immunosurveillance from a mere ~2% to as much as ~75% of the human genome...
August 19, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28821995/expression-of-the-pol-gene-of-human-endogenous-retroviruses-herv-k-and-w-in-leukemia-patients
#2
Massimiliano Bergallo, Paola Montanari, Katia Mareschi, Chiara Merlino, Massimo Berger, Ilaria Bini, Valentina Daprà, Ilaria Galliano, Franca Fagioli
The human endogenous retroviruses (HERVs) are a family of endogenous retroviruses that integrated into the germ cell DNA of primates over 30 million years ago. HERV expression seems impaired in several diseases, ranging from autoimmune to neoplastic disorders. The purpose of this study was to evaluate the overall endogenous retroviral transcription profile in bone marrow (BM) samples. A total of 30 paediatric high-risk leukaemia patients (lymphoid and myeloid malignancies) were tested for HERVs virus gene expression...
August 18, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28821323/post-mortem-magnetic-resonance-pmmr-imaging-of-the-brain-in-fetuses-and-children-with-histopathological-correlation
#3
REVIEW
S C Shelmerdine, J C Hutchinson, N J Sebire, T S Jacques, O J Arthurs
Post-mortem magnetic resonance (PMMR) imaging is rapidly emerging as an alternative, "less invasive", and more widely accepted investigative approach for perinatal deaths in the UK. PMMR has a high diagnostic accuracy for congenital and acquired fetal neuropathological anomalies compared to conventional autopsy, and is particularly useful when autopsy is non-diagnostic. The main objectives of this review are to describe and illustrate the range of common normal and abnormal central nervous system (CNS) findings encountered during PMMR investigation...
August 15, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28820908/ribosomopathy-like-properties-of-murine-and-human-cancers
#4
Sucheta Kulkarni, James M Dolezal, Huabo Wang, Laura Jackson, Jie Lu, Brian P Frodey, Atinuke Dosunmu-Ogunbi, Youjun Li, Marc Fromherz, Audry Kang, Lucas Santana-Santos, Panayiotis V Benos, Edward V Prochownik
Ribosomopathies comprise a heterogeneous group of hematologic and developmental disorders, often characterized by bone marrow failure, skeletal and other developmental abnormalities and cancer predisposition. They are associated with mutations and/or haplo-insufficiencies of ribosomal proteins (RPs) and inefficient ribosomal RNA (rRNA) processing. The resulting ribosomal stress induces the canonical p19ARF/Mdm2/p53 tumor suppressor pathway leading to proliferative arrest and/or apoptosis. It has been proposed that this pathway is then inactivated during subsequent neoplastic evolution...
2017: PloS One
https://www.readbyqxmd.com/read/28819882/novel-immunotherapies-for-multiple-myeloma
#5
REVIEW
Mattia D'Agostino, Mario Boccadoro, Eric L Smith
PURPOSE OF REVIEW: The treatment landscape of multiple myeloma is rapidly changing; however, despite improvement in patients' survival, it still remains a largely incurable disease. One hallmark of myeloma is substantial immune dysfunction leading to an increased infection rate and the inability of immune surveillance to detect neoplastic cells. Here, we critically analyze clinical approaches to harness the immune system to overcome this defect with a focus on antibody based and adoptive cellular therapies...
August 18, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28819729/prognostic-significance-of-cdx2-immunoexpression-in-poorly-differentiated-clusters-of-colorectal-carcinoma
#6
Luca Reggiani Bonetti, Simona Lionti, Enrica Vitarelli, Valeria Barresi
CDX2 is a transcription factor that acts as a tumor suppressor in colorectal cancer (CRC). Its loss triggers metastatic process and tumor progression; however, its prognostic role in patients with CRC is still controversial. Poorly differentiated clusters (PDCs) are aggregates of neoplastic cells which likely have high metastatic potential in CRC. In this study, we analyzed and compared CDX2 expression in PDC (CDX2-PDC) and corresponding main tumor (CDX2 main tumor) in 42 CRCs showing at least 10 PDC (PDC G3)...
August 17, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28819694/thoracic-corpectomy-for-neoplastic-vertebral-bodies-using-a-navigated-lateral-extracavitary-approach-a-single-center-consecutive-case-series-technique-and-analysis
#7
Sebastian Hartmann, Christoph Wipplinger, Anja Tschugg, Pujan Kavakebi, Alexander Örley, Pierre Pascal Girod, Claudius Thomé
Thoracic myelopathy is often caused by vertebral body fractures resulting from neoplastic conditions, traumatic events, or infectious diseases. One of the preferred procedures for treating it is the lateral extracavitary approach (LECA) with single-level or multilevel decompressive corpectomy and reconstruction. The aim of this retrospective study was to analyze the thoracic lateral extracavitary approach with corpectomy using vertebral body replacement systems (VBR-S) and dorsal reconstruction. Twenty-four patients with metastatic or primary lesions of thoracic vertebrae T2-T12 underwent spinal decompression and ventral column reconstruction with correction of spinal deformity via a LECA...
August 17, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28819395/downregulation-of-abc-transporters-in-non-neoplastic-tissues-confers-better-prognosis-for-pancreatic-and-colorectal-cancer-patients
#8
Pavel Dvorak, Viktor Hlavac, Beatrice Mohelnikova-Duchonova, Vaclav Liska, Martin Pesta, Pavel Soucek
Transport of a wide variety of substrates, including xenobiotics, is one of the main functions attributed to human ATP-binding cassette (ABC) proteins. Overexpression of ABC genes is considered to be an important mechanism facilitating the development of chemoresistance. Relationships between the expression levels of ABC genes in tumor tissues and established clinicopathological features were extensively studied previously. The current study tested our hypothesis that the expression levels of ABC genes in non-neoplastic (control) tissues also provide important information in relation to the relevant tumor progression...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819385/a-randomized-open-label-safety-and-exploratory-efficacy-study-of-kanglaite-injection-klti-plus-gemcitabine-versus-gemcitabine-in-patients-with-advanced-pancreatic-cancer
#9
Lee S Schwartzberg, Francis P Arena, Bryan J Bienvenu, Edward H Kaplan, Luis H Camacho, Luis T Campos, J Paul Waymack, Mary A Tagliaferri, Michael M Chen, Dapeng Li
Background: This study was designed to assess the safety and preliminary efficacy of KLTi plus gemcitabine in patients with locally advanced or metastatic pancreatic cancer. Methods: In a randomized, open-label study, patients with locally advanced or metastatic pancreatic cancer were randomized 2:1 to receive KLTi plus gemcitabine or gemcitabine monotherapy. Three sequential cohorts were tested at 30 g/day, 50 g/day, and 30 g/day. Gemcitabine was administered at 1000 mg/m(2) on days 1, 8 and 15 of each 28 day cycle...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819357/the-diagnostic-yield-of-colonoscopy-stratified-by-indications
#10
I Al-Najami, C P Rancinger, Morten Kobaek Larsen, E Spolén, G Baatrup
INTRODUCTION: Danish centers reserve longer time for screening colonoscopies and allocate the most experienced endoscopists to these cases. The objective of this study is to determine the diagnostic yield in colonoscopies for different indications to improve planning of colonoscopy activity and allocation of the highly skilled endoscopists. METHODS: Nine hundred and ninety-nine randomly collected patients from a prospectively maintained database were grouped in defined referral indication groups...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28819025/mre11-promotes-tumorigenesis-by-facilitating-resistance-to-oncogene-induced-replication-stress
#11
Elizabeth Spehalski, Kayla M Capper, Cheryl J Smith, Mary J Morgan, Maria Dinkelmann, Jeffrey Buis, JoAnn M Sekiguchi, David O Ferguson
Hypomorphic mutations in the genes encoding the MRE11/RAD50/NBS1 (MRN) DNA repair complex lead to cancer-prone syndromes. MRN binds DNA double strand breaks where it functions in repair and triggers cell cycle checkpoints via activation of the ataxia-telangiectasia mutated (ATM) kinase. To gain understanding of MRN in cancer, we engineered mice with B lymphocytes lacking MRN, or harboring MRN in which MRE11 lacks nuclease activities. Both forms of MRN deficiency led to hallmarks of cancer, including oncogenic translocations involving c-Myc and the immunoglobulin locus...
August 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28818989/metabolic-imaging-of-infection
#12
Ismaheel Lawal, Jan Rijn Zeevaart, Thomas Ebenhan, Alfred Ankrah, Mariza Vorster, Hendrick Kruger, Thavendran Govender, Mike Sathekge
Metabolic imaging of infection has come to occupy a prominent place in the diagnosis and management of microbial infection. Molecular probes available for infection imaging have undergone a rapid evolution starting with the use of non-specific agents that accumulate similarly in infection, sterile inflammation and neoplastic tissue to more targeted probes that seek to identify specific microbial species. This focus review describes the metabolic and molecular imaging techniques currently available for clinical use in infection imaging and those that have demonstrated promising results in preclinical studies with the potential for clinical applications...
August 17, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28817404/primary-renal-sarcomas-with-bcor-ccnb3-gene-fusion-a-report-of-2-cases-showing-histologic-overlap-with-clear-cell-sarcoma-of-kidney-suggesting-further-link-between-bcor-related-sarcomas-of-the-kidney-and-soft-tissues
#13
Pedram Argani, Yu-Chien Kao, Lei Zhang, Carlos Bacchi, Andres Matoso, Rita Alaggio, Jonathan I Epstein, Cristina R Antonescu
We report 2 primary renal sarcomas demonstrating BCOR-CCNB3 gene fusions that have recently been identified in undifferentiated round cell sarcomas of bone and soft tissue. These neoplasms occurred in male children aged 11 and 12 years, and both were cystic as a result of entrapment and dilatation of native renal tubules. Both cases were composed of variably cellular bland spindle cells with fine chromatin set in myxoid stroma and separated by a branching capillary vasculature. Both neoplasms demonstrated immunoreactivity for BCOR, cyclin D1, TLE1, and SATB2 in the spindle neoplastic cells and negativity in the prominent capillary vasculature...
August 16, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28816991/a-case-report-of-tracheal-inflammatory-myofibroblastic-tumor-in-a-34-week-pregnant-woman-misdiagnosed-with-asthma
#14
Xiaochen Li, Juan Li, Xiaoling Rao, Qilin Ao, Xiaopei Cao, Yali Huang, Shengding Zhang, Xiaoyu Fang, Xiansheng Liu, Min Xie
RATIONALE: Inflammatory myofibroblastic tumor (IMT) is an uncommon neoplastic entity with a tendency of local recurrence and a low risk of distant metastasis. Involvement of trachea is extremely rare. PATIENT CONCERNS: A 34-week pregnant woman previously diagnosed with asthma for 2 months was admitted with persistent wheezing and hemoptysis. A computed tomography scan and bronchoscopy revealed a gigantic polyp in the trachea. DIAGNOSES: Tracheal inflammatory myofibroblastic tumor...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816389/clinical-indications-for-hysteroscopic-removal-of-uterine-masses-time-age-at-diagnosis-and-mass-size
#15
Hyun-Woong Cho, Yu-Jin Koo, Jin-Hwa Hong, Jae-Kwan Lee
AIM: The aim of this study was to investigate clinical factors associated with abnormal pathologies of uterine masses resected via hysteroscopy. METHODS: Women who underwent hysteroscopic surgery for presumptive diagnoses of abnormal endometrial or endocervical masses, such as polyps or leiomyomas on ultrasonography, between January 2012 and April 2015, were enrolled. Clinical and pathologic data were retrospectively reviewed. RESULTS: Among 189 patients, pathologic diagnoses of the uterine mass were abnormal in 172 (91...
August 17, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28816271/-construction-and-improvement-of-animal-models-with-different-positional-osseous-metastasis-of-prostate-cancer-in-vivo
#16
Y X Bi, M H Xiao, N N Zhang, X Y Li, X P Mao, K Zhang, Z R Zhang, L Y Zhao
OBJECTIVE: To provide an important tool for the study of diagnose and treatment of prostate cancer (PCa) osseous metastasis and change of bone stress force on prostate cancer (PCa) osseous metastasis and a platform, which is more congruous to clinical process, for prevention and cure of neoplastic bone metastases, and to carry out the construction and improvement of animal models of PCa with different positional osseous metastasis in vivo. METHODS: Different gradient concentrations of RM-1 cells were inoculated into the cavity of left femoral bone or lumbar vertebra of mice (C57BL/6) respectively...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816191/histologic-variants-of-calcifying-odontogenic-cyst-a-study-of-52-cases
#17
Soussan Irani, Forough Foroughi
AIM: This study aimed at evaluating histological features of 52 cases of calcifying odontogenic cyst (COC), which is an uncommon benign odontogenic lesion. The World Health Organization (WHO) classified COC as a neoplasm and used the term calcifying cystic odontogenic tumor (CCOT) for benign cystic type and the dentinogenic ghost cell tumor (DGCT) for the benign solid-type lesions. There is no agreement regarding COC classification. MATERIALS AND METHODS: A total of 52 cases of COC were selected and reviewed from the archive of the Pathology Department of Taleghani Educational Hospital, Tehran, Iran...
August 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28816001/plasma-and-cerebrospinal-fluid-tau-and-neurofilament-concentrations-in-rapidly-progressive-neurological-syndromes-a-neuropathology-based-cohort
#18
G G Kovacs, U Andreasson, V Liman, G Regelsberger, M I Lutz, K Danics, E Keller, H Zetterberg, K Blennow
BACKGROUND AND PURPOSE: Cerebrospinal fluid (CSF) tau and neurofilament light chain (NF-L) proteins have proved to be reliable biomarkers for neuronal damage; however, there is a strong need for blood-based tests. METHODS: The present study included 132 autopsy cases with rapidly progressive neurological syndromes, including Alzheimer disease (AD) (21), sporadic (65) and genetic (21) Creutzfeldt-Jakob disease (CJD), 25 cases with vascular, neoplastic and inflammatory alterations, and additionally 18 healthy control individuals...
August 16, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28815758/detection-of-cyprinid-herpesvirus-1-dna-in-cutaneous-squamous-cell-carcinoma-of-koi-carp-cyprinus-carpio
#19
Rubina Sirri, Sara Ciulli, Tim Barbé, Enrico Volpe, Maurizio Lazzari, Valeria Franceschini, Francesca Errani, Giuseppe Sarli, Luciana Mandrioli
BACKGROUND: Cutaneous squamous cell carcinoma (cSCC) is an uncommon disease affecting koi carp (Cyprinus carpio). Cutaneous papilloma (carp pox) is a benign epidermal proliferation reported in koi and has been shown to be caused by Cyprinid Herpesvirus 1 (CyHV1). HYPOTHESIS/OBJECTIVES: Histological, ultrastructural and molecular investigations were carried out aiming to investigate the aetiology of cSCC within archived tissue samples. ANIMALS: Surgical samples of masses located on the integument, fins and lips of 13 koi carp belonging to different private owners were included in this retrospective study...
August 16, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28815380/expression-of-micrornas-in-tumors-of-the-central-nervous-system-in-pediatric-patients-in-m%C3%A3-xico
#20
Pilar Eguía-Aguilar, Lisette Gutiérrez-Castillo, Mario Pérezpeña-Díazconti, Jeanette García-Chéquer, Jorge García-Quintana, Fernando Chico-Ponce de León, Luis Gordillo-Domínguez, Samuel Torres-García, Francisco Arenas-Huertero
PURPOSE: MicroRNAs were identified as molecules that participate in gene regulation; alterations in their expression characterize central nervous system (CNS). Information in pediatrics is scarce, so the objective of this work was to determine and then compare the patterns of expression of microRNAs in astrocytomas, ependymomas, and medulloblastomas, as well as in non-neoplastic brain. METHODS: Low-density arrays were utilized to evaluate 756 microRNAs in three samples of each type of tumor and non-neoplastic brain...
August 16, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
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