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https://www.readbyqxmd.com/read/28333988/years-of-life-lost-due-to-infectious-diseases-in-poland
#1
Marek Bryla, Elzbieta Dziankowska-Zaborszczyk, Pawel Bryla, Malgorzata Pikala, Irena Maniecka-Bryla
PURPOSE: An evaluation of mortality due to infectious diseases in Poland in 1999-2012 and an analysis of standard expected years of life lost due to the above diseases. METHODS: The study material included a database created on the basis of 5,219,205 death certificates of Polish inhabitants, gathered between 1999 and 2012 and provided by the Central Statistical Office. Crude Death Rates (CDR), Standardized Death Rates (SDR) and Standard Expected Years of Life Lost (SEYLL) due to infectious and parasitic diseases were also evaluated in the study period as well as Standard Expected Years of Life Lost per living person (SEYLLp) and Standard Expected Years of Life Lost per dead person (SEYLLd)...
2017: PloS One
https://www.readbyqxmd.com/read/28331559/tumor-suppressor-genes-in-familial-adenomatous-polyposis
#2
REVIEW
Nahal Eshghifar, Naser Farrokhi, Tahereh Naji, Mohammadreza Zali
Colorectal cancer (CRC) is mostly due to a series of genetic alterations that are being greatly under the influence of the environmental factors. These changes, mutational or epigenetic modifications at transcriptional forefront and/or post-transcriptional effects via miRNAs, include inactivation and the conversion of proto-oncogene to oncogenes, and/or inactivation of tumor suppressor genes (TSG). Here, a thorough review was carried out on the role of TSGs with the focus on the APC as the master regulator, mutated genes and mal-/dysfunctional pathways that lead to one type of hereditary form of the CRC; namely familial adenomatous polyposis (FAP)...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28331556/the-genetic-basis-of-colonic-adenomatous-polyposis-syndromes
#3
REVIEW
Bente A Talseth-Palmer
Colorectal cancer (CRC) is one of the most common forms of cancer worldwide and familial adenomatous polyposis (FAP) accounts for approximately 1% of all CRCs. Adenomatous polyposis syndromes can be divided into; familial adenomatous polyposis (FAP) - classic FAP and attenuated familial adenomatous polyposis (AFAP), MUTYH-associated polyposis (MAP), NTHL1-associated polyposis (NAP) and polymerase proofreading-associated polyposis (PPAP). The polyposis syndromes genetics and clinical manifestation of disease varies and cases with clinical diagnosis of FAP might molecularly show a different diagnosis...
2017: Hereditary Cancer in Clinical Practice
https://www.readbyqxmd.com/read/28330898/antigen-presenting-human-%C3%AE-%C3%AE-t-cells-promote-intestinal-cd4-t-cell-expression-of-il-22-and-mucosal-release-of-calprotectin
#4
Christopher J Tyler, Neil E McCarthy, James O Lindsay, Andrew J Stagg, Bernhard Moser, Matthias Eberl
The cytokine IL-22 plays a critical role in mucosal barrier defense, but the mechanisms that promote IL-22 expression in the human intestine remain poorly understood. As human microbe-responsive Vγ9/Vδ2 T cells are abundant in the gut and recognize microbiota-associated metabolites, we assessed their potential to induce IL-22 expression by intestinal CD4(+) T cells. Vγ9/Vδ2 T cells with characteristics of APCs were generated from human blood and intestinal organ cultures, then cocultured with naive and memory CD4(+) T cells obtained from human blood or the colon...
March 22, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28330372/car-t-cell-therapy-progress-and-prospects
#5
Olivia Wilkins, Allison May Keeler, Terence R Flotte
Lentivirus-mediated transduction of autologous T-cells with a chimeric antigen receptor (CAR) to confer a desired epitope-specificity as a targeted immunotherapy for cancer has been among the first human gene therapy techniques to demonstrate widespread therapeutic efficacy. Other approaches to using gene therapy to enhance anti-tumor immunity have been less specific and less effective. These included amplification, marking, and cytokine transduction of tumor infiltrating lymphocytes (TIL), recombinant virus-based expression of tumor antigens as a tumor vaccine, and transduction of antigen-presenting cells (APCs) with tumor antigens...
March 23, 2017: Human Gene Therapy Methods
https://www.readbyqxmd.com/read/28327101/erratum-to-delta-like-4-notch-signaling-promotes-apc-min-tumor-initiation-through-angiogenic-and-non-angiogenic-related-mechanisms
#6
Marina Badenes, Alexandre Trindade, Hugo Pissarra, Luís Lopes-da-Costa, António Duarte
No abstract text is available yet for this article.
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28322826/apc-cdh1-controls-cell-cycle-entry-during-liver-regeneration
#7
Ranran Cheng, Xin Liang, Quancheng Zhao, Zhusheng Lian, Lichun Tang, Chen Qiu, Huan Chen, Pumin Zhang
Cdh1 is one of the two adaptor proteins of anaphase-promoting complex/cyclosome (APC/C), an E3 ubiquitin ligase controlling mitosis and DNA replication. To date, the in vivo functions of Cdh1 have not been fully explored. In order to characterize Cdh1 in liver regeneration, we generated a conditional knock-out mouse model. Our data showed that loss of Cdh1 leads to increased and extended S phase progression possibly due to the upregulation of cyclin D1. Moreover, the increased DNA replication resulted in activated DNA damage response...
March 18, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28320860/microtubule-plus-end-tracking-of-end-binding-protein-1-eb1-is-regulated-by-cdk5-regulatory-subunit-associated-protein-2
#8
Ka-Wing Fong, Franco K C Au, Yue Jia, Shaozhong Yang, Liying Zhou, Robert Z Qi
Microtubules are polar cytoskeleton filaments that extend via growth at their plus ends. Microtubule plus-end-tracking proteins (+TIPs) accumulate at these growing plus ends to control microtubule dynamics and attachment. The +TIP end-binding protein 1 (EB1) and its homologs possess an autonomous plus-end-tracking mechanism and interact with other known +TIPs, which then recruit those +TIPs to the growing plus ends. A major +TIP class contains the SxIP (Ser-x-Ile-Pro, with x denoting any amino acid residue) motif, known to interact with EB1 and its homologs for plus-end tracking, but the role of SxIP in regulating EB1 activities is unclear...
March 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28320831/interference-of-the-t-cell-and-antigen-presenting-cell-costimulatory-pathway-using-ctla4-ig-abatacept-prevents-staphylococcal-enterotoxin-b-pathology
#9
Sarah J C Whitfield, Chris Taylor, Jane E Risdall, Gareth D Griffiths, James T A Jones, E Diane Williamson, Sjoerd Rijpkema, Luisa Saraiva, Sandrine Vessillier, A Christopher Green, Alun J Carter
Staphylococcal enterotoxin B (SEB) is a bacterial superantigen that binds the receptors in the APC/T cell synapse and causes increased proliferation of T cells and a cytokine storm syndrome in vivo. Exposure to the toxin can be lethal and cause significant pathology in humans. The lack of effective therapies for SEB exposure remains an area of concern, particularly in scenarios of acute mass casualties. We hypothesized that blockade of the T cell costimulatory signal by the CTLA4-Ig synthetic protein (abatacept) could prevent SEB-dependent pathology...
March 20, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28314770/cribriform-morular-variant-of-papillary-thyroid-carcinoma-a-distinctive-type-of-thyroid-cancer
#10
REVIEW
Alfred King-Yin Lam, Nassim Saremi
The aim of this systematic review is to study the features of cribriform-morular variant of papillary thyroid carcinoma (CMV-PTC) by analysing the 129 documented cases in the English literature. The disease occurred almost exclusively in women. The median age of presentation for CMV-PTC was 24 years. Slightly over half of the patients with CMV-PTC had familial adenomatous polyposis (FAP). CMV-PTC presented before the colonic manifestations in approximately half of the patients with FAP. Patients with FAP often have multifocal tumours in the thyroid...
April 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28306719/chromosome-19q13-disruption-alters-expressions-of-cyp2a7-mia-and-mia-rab4b-lncrna-and-contributes-to-fap-like-phenotype-in-apc-mutation-negative-familial-colorectal-cancer-patients
#11
Lai Fun Thean, Yu Hui Wong, Michelle Lo, Carol Loi, Min Hoe Chew, Choong Leong Tang, Peh Yean Cheah
Familial adenomatous polyposis (FAP) is an autosomal-dominantly inherited form of colorectal cancer (CRC) caused by mutation in the adenomatous polyposis coli (APC) gene. Our ability to exhaustively screen for APC mutations identify microsatellite-stable and APC-mutation negative familial CRC patients, enabling us to search for novel genes. We performed genome-wide scan on two affected siblings of one family and 88 ethnicity- and gender-matched healthy controls to identify deletions shared by the siblings. Combined loss of heterozygosity, copy number and allelic-specific copy number analysis uncovered 5 shared deletions...
2017: PloS One
https://www.readbyqxmd.com/read/28299741/imaging-matrix-metalloproteases-in-spontaneous-colon-tumors-validation-by-correlation-with-histopathology
#12
Harvey Hensley, Harry S Cooper, Wen-Chi L Chang, Margie L Clapper
The use of fluorescent probes in conjunction with white-light colonoscopy is a promising strategy for improving the detection of precancerous colorectal lesions, in particular flat (sessile) lesions that do not protrude into the lumen of the colon. We describe a method for determining the sensitivity and specificity of an enzymatically activated near-infrared probe (MMPSense680) for the detection of colon lesions in a mouse model (APC(+/Min-FCCC)) of spontaneous colorectal cancer. Fluorescence intensity correlates directly with the activity of matrix metalloproteinases (MMPs)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28299026/the-immunomodulatory-effect-of-bone-marrow-mesenchymal-stem-cells-on-expression-of-tlr3-and-tlr9-in-mice-dendritic-cells
#13
L Sadeghi, M H Karimi, E Kamali-Sarvestani, N Azarpira, M Shariati
BACKGROUND: Mesenchymal stem cells (MSCs) are multipotent cells with immunomodulatory effect on immune cells including dendritic cells (DCs). DCs are the most potent antigen-presenting cells (APC). MSCs have been found to modulate both differentiation and function of DCs. DCs express a broad range of Toll-like receptors (TLR), which play a critical role in DCs maturation and function. OBJECTIVE: To evaluate expression level of TLR3 and TLR9 transcripts in DCs following treatment with MSCs supernatant...
2017: International Journal of Organ Transplantation Medicine
https://www.readbyqxmd.com/read/28297658/multiscale-modeling-of-complex-formation-and-cd80-depletion-during-immune-synapse-development
#14
István P Sugár, Jayajit Das, Ciriyam Jayaprakash, Stuart C Sealfon
The mechanisms that discriminate self- and foreign antigen before T cell activation are unresolved. As part of the immune system's adaptive response to specific infections or neoplasms, antigen-presenting cells (APC) and effector T cells form transcellular molecular complexes. CTLA4 expression on regulatory or effector T cells reduces T cell activation. The CTLA4 transendocytosis hypothesis proposes that CTLA4 depletes CD80 and CD86 proteins from the APC membrane, rendering the APC incapable of activating T cells...
March 14, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28296622/a-cell-based-screening-approach-for-identifying-protein-degradation-regulators
#15
Scott Simanski, Marie E Maloof, Trey K Sato, Valerie Cavett, Jennifer Caldwell Busby, Nagi G Ayad
Cellular transitions are achieved by the concerted actions of regulated degradation pathways. In the case of the cell cycle, ubiquitin mediated degradation ensures unidirectional transition from one phase to another. For instance, turnover of the cell cycle regulator cyclin B1 occurs after metaphase to induce mitotic exit. To better understand pathways controlling cyclin B1 turnover, the N terminal domain of cyclin B1 was fused to luciferase to generate an N-cyclin B1-luciferase protein that can be used as a reporter for protein turnover...
March 15, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28292759/ovarian-function-s-role-during-cancer-cachexia-progression-in-the-female-mouse
#16
Kimbell L Hetzler, Justin P Hardee, Holly A LaVoie, E Angela Murphy, James A Carson
Cachexia is a debilitating condition that occurs with chronic disease including cancer; our research has shown that some regulation of cancer cachexia progression is affected by sex. The Apc(Min/+) mouse is genetically predisposed to develop intestinal tumors; interleukin-6 (IL-6) signaling and hypogonadism are associated with cachexia severity in the male. This relationship in the female warrants further investigation, as we have shown that the ability of IL-6 to induce cachexia differs between the sexes. Since ovarian reproductive function relies on a complex system of endocrine signaling to affect whole body homeostasis, we examined the relationship between ovarian reproductive function and the progression of cancer cachexia in the female Apc(Min/+) mouse...
March 14, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28289416/specific-and-efficient-uptake-of-surfactant-free-poly-lactic-acid-nanovaccine-vehicles-by-mucosal-dendritic-cells-in-adult-zebrafish-after-bath-immersion
#17
Julien Rességuier, Emilie Delaune, Anne-Line Coolen, Jean-Pierre Levraud, Pierre Boudinot, Dominique Le Guellec, Bernard Verrier
Activation of mucosal immunity is a key milestone for next-generation vaccine development. Biocompatible polymer-based nanoparticles (NPs) are promising vectors and adjuvants for mucosal vaccination. However, their in vivo uptake by mucosae and their biodistribution in antigen-presenting cells (APCs) need to be better understood to optimize mucosal nanovaccine designs. Here, we assessed if APCs are efficiently targeted in a spontaneous manner by surfactant-free poly(lactic acid) nanoparticles (PLA-NPs) after mucosal administration...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28289141/oncogenic-kras-drives-invasion-and-maintains-metastases-in-colorectal-cancer
#18
Adam T Boutin, Wen-Ting Liao, Melody Wang, Soyoon Sarah Hwang, Tatiana V Karpinets, Hannah Cheung, Gerald C Chu, Shan Jiang, Jian Hu, Kyle Chang, Eduardo Vilar, Xingzhi Song, Jianhua Zhang, Scott Kopetz, Andrew Futreal, Y Alan Wang, Lawrence N Kwong, Ronald A DePinho
Human colorectal cancer (CRC) is a major cause of cancer mortality and frequently harbors activating mutations in the KRAS gene. To understand the role of oncogenic KRAS in CRC, we engineered a mouse model of metastatic CRC that harbors an inducible oncogenic Kras allele (Kras(mut) ) and conditional null alleles of Apc and Trp53 (iKAP). The iKAP model recapitulates tumor progression from adenoma through metastases. Whole-exome sequencing revealed that the Kras(mut) allele was heterogenous in primary tumors yet homogenous in metastases, a pattern consistent with activated Kras(mut) signaling being a driver of progression to metastasis...
February 15, 2017: Genes & Development
https://www.readbyqxmd.com/read/28288840/additive-endoscopic-resection-may-be-sufficient-for-the-patients-with-positive-lateral-margin-after-endoscopic-resection-of-early-gastric-cancer
#19
Hae Won Kim, Jie-Hyun Kim, Jun Chul Park, Mi Young Jeon, Yong Chan Lee, Sang Kil Lee, Sung Kwan Shin, Hyun Soo Chung, Sung Hoon Noh, Jong Won Kim, Seung Ho Choi, Jae Jun Park, Young Hoon Youn, Hyojin Park
BACKGROUNDS AND AIM: No well-established treatment strategies exist for lateral margin positivity (LM+) alone after endoscopic resection (ER) of early gastric cancer (EGC). Thus, we aimed to clarify treatment strategy of non-curative resection (non-CR) with LM + alone after ER in EGC. METHODS: Among 2,065 patients with EGC treated by ER, 76 (3.6%) exhibiting only LM+ after non-CR of EGC were reviewed retrospectively. Of these, 28 underwent gastrectomy, 25 argon plasma coagulation (APC), and 23 re-ER...
March 10, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28288724/healing-of-postextraction-sockets-preserved-with-autologous-platelet-concentrates-a-systematic-review-and-meta-analysis
#20
REVIEW
Massimo Del Fabbro, Cristina Bucchi, Alessandra Lolato, Stefano Corbella, Tiziano Testori, Silvio Taschieri
PURPOSE: The true benefit of autologous platelet concentrates (APCs) for enhancing the healing of postextraction sites is still a matter of debate, and in recent years several clinical trials have addressed this issue. The purpose of this study was to determine the effectiveness of an APC adjunct in the preservation of fresh extraction sockets. MATERIALS AND METHODS: An electronic search was performed on Medline, Embase, Scopus, and the Cochrane Central Register of Controlled Trials...
February 20, 2017: Journal of Oral and Maxillofacial Surgery
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