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Pathology Oncology Research: POR

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https://www.readbyqxmd.com/read/29981013/the-er-glycogen-particle-phagophore-triangle-a-hub-connecting-glycogenolysis-and-glycophagy
#1
REVIEW
József Mandl, Gábor Bánhegyi
Glycogen particle is an intracellular organelle, which serves as a carbohydrate reserve in various cells. The function of glycogen is not entirely known in several cell types. Glycogen can be mobilized for different purposes, which can be related to cellular metabolic needs, intracellular redox state, metabolic state of the whole organism depending on regulatory aspects and also on cell functions. Essentially there are two different ways of glycogen degradation localized in different cellular organelles: glycogenolysis or lysosomal breakdown by acid alpha-glucosidase...
July 7, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29981012/quantitative-analysis-on-ex-vivo-nonlinear-microscopy-images-of-basal-cell-carcinoma-samples-in-comparison-to-healthy-skin
#2
Norbert Kiss, Dóra Haluszka, Kende Lőrincz, Nóra Gyöngyösi, Szabolcs Bozsányi, András Bánvölgyi, Róbert Szipőcs, Norbert Wikonkál
Basal cell carcinoma (BCC) is the most frequent malignant neoplasm in the Caucasian population. There are several therapeutic options for BCC, but surgical excision is considered gold standard treatment. As BCCs often have poorly defined borders, the clinical assessment of the tumor margins can be challenging. Therefore, there is an increasing demand for efficient in vivo imaging techniques for the evaluation of tumor borders prior to and during surgeries. In the near future, nonlinear microscopy techniques might meet this demand...
July 6, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29956064/orphan-nuclear-receptors-in-colorectal-cancer
#3
REVIEW
Michael E Kelly, Helen M Mohan, Alan W Baird, Elizabeth J Ryan, Des C Winter
Colorectal cancer is one of the most common cancers worldwide, with an overall increased incidence annually. Despite improvements in treatment and surveillance, almost 50% develop recurrent and/or distant disease. Unknown cellular processes are the fundamental cause for treatment failure and metastatic disease. The interplay of chronic inflammation and carcinogenesis is well established. Recent work has highlighted the role of nuclear receptors and co-regulators in the inflammation to carcinogenesis process...
June 28, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29915929/identification-of-mir-146a-is-associated-with-the-aggressiveness-and-suppresses-proliferation-via-targeting-cdkn2a-in-breast-cancer
#4
Yanping Zhang, Shi Ding, Jie Yang, Xingfeng Chen, Weilin Huang
There is emerging evidence that some microRNAs can promote or suppress several human cancer development and progression. However, the profile and molecular mechanism of microRNAs for human breast cancer is poorly unknown. We used bioinformatics approaches to find new candidate diagnostic and therapeutic miRNAs in human breast cancer via analysis of TCGA RNA sequencing data and publicly GEO microarray data, in order to provide theoretical basis for the future investigations of breast cancer. Decreased expression miR-146a was identified as a key regulator of human breast cancer development and progression...
June 18, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29948620/behavior-of-cutaneous-adnexal-malignancies-a-single-institution-experience
#5
Carlos Prieto-Granada, Nicholas Castner, Ann Chen, Jiannong Li, Binglin Yue, Joyce Y Wong, Sanjana Iyengar, Vernon K Sondak, Jonathan S Zager, Jane L Messina
Cutaneous adnexal malignancies are biologically and pathologically diverse, and associated with a range of clinical outcomes. Given their rarity, the prognosis and optimal treatment of these neoplasms remains unclear. A single institution database from a tertiary care cancer center of patients treated for malignant cutaneous adnexal tumors was retrospectively analyzed. Clinicopathologic variables and outcome measures were analyzed in patients undergoing wide excision with or without sentinel node biopsy. 103 patients were analyzed; the majority of tumors were of eccrine sweat gland derivation (n = 69, 70%), and these exhibited a higher rate of nodal involvement and overall worse outcome...
June 14, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29948619/long-noncoding-rnas-in-colorectal-adenocarcinoma-an-in-silico-analysis
#6
Hossein Ansari, Arman Shahrisa, Yaser Tahmasebi Birgani, Maryam Tahmasebi Birgani, Mohammadreza Hajjari, Javad Mohammadi Asl
Long noncoding RNAs (lncRNAs) are lengthy noncoding transcripts which are involved in critical signaling pathways including cell cycle and apoptosis so it is not surprising to see their altered expression in human tumors. Colorectal adenocarcinoma is one the most frequent malignancies worldwide. The role of lncRNAs in colorectal adenocarcinoma is not well understood. To study the significance of lncRNAs in colorectal adenocarcinoma, we retrieved 189 approved lncRNAs from HGNC. The genes were imported into the cBioPortal database for transcriptomic analyses...
June 13, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29948618/assessment-of-the-circulating-klotho-protein-in-lung-cancer-patients
#7
Judit Pako, Andras Bikov, Imre Barta, Hideyo Matsueda, Rita Puskas, Gabriella Galffy, Anna Kerpel-Fronius, Balazs Antus, Ildiko Horvath
The anti-aging factor, klotho has been identified as a tumor suppressor in various human cancers, including lung cancer. In vitro studies provided evidence that klotho expression influences the characteristics of lung cancer cells, however, in vivo results are lacking. The aim of our study was to evaluate whether circulating klotho protein might serve as a potential biomarker of lung cancer. Blood samples were taken from 45 newly diagnosed lung cancer patients (31 NSCLC, 14 SCLC) and 43 control subjects. Plasma klotho concentration was measured using ELISA...
June 12, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29948617/the-histone-acetylation-modifications-of-breast-cancer-and-their-therapeutic-implications
#8
REVIEW
Pingping Guo, Wenqi Chen, Huiyu Li, Meiying Li, Lisha Li
The histone acetylation modifications (HAMs) influence a large number of cellular functions. They are mediated through histone acetyltransferase (HAT) and histone deacetylase (HDAC). Nowadays, people have realized that HAMs are crucial for development and prognosis of breast cancer. Investigations about abnormal HAMs in breast cancer focus on initiating molecular mechanisms in breast cancer development, identification of new biomarkers to predict breast cancer aggressiveness and the therapeutic potential. As HAMs are reversible, breast cancer may be treated by restoring HAMs to normal levels...
June 11, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29948616/il-2-and-il-15-induced-nkg2d-cd158a-and-cd158b-expression-on-t-nkt-like-and-nk-cell-lymphocyte-subsets-from-regional-lymph-nodes-of-melanoma-patients
#9
Ana Vuletić, Irena Jovanić, Vladimir Jurišić, Zorka Milovanović, Srđan Nikolić, Igor Spurnić, Gordana Konjević
Regional lymph nodes (LN)s represent important immunological barriers in spreading of malignant tumors. However, they are the most frequent early metastatic site in melanoma. Immunomodulatory agents including cytokines have been included in therapy of melanoma and have shown severe side effects and toxicity. In this sense, there is a growing need for bringing these agents to further in vitro testing that may enlighten aspects of their regional application. Therefore, the aim of this study was to investigate the effect of interleukin (IL)-2 and IL-15, the two cytokines with similar immune-enhancing effects, on the expression of activating NKG2D, inhibitory CD158a and CD158b receptors on CD8+ T, NKT-like and NK cell lymphocyte subsets from regional LNs of melanoma patients...
June 11, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29948615/high-level-sp1-is-associated-with-proliferation-invasion-and-poor-prognosis-in-astrocytoma
#10
Yi-Ting Chen, Hung-Pei Tsai, Chun-Chieh Wu, Chiao-Yun Chen, Chee-Yin Chai, Aij-Lie Kwan
Astrocytoma is the most common and the most lethal primary brain tumor in adults. Grade IV glioblastoma is usually refractory to currently available surgical, chemotherapeutic, and radiotherapeutic treatments. The Specificity protein 1 (Sp1) transcription factor is known to regulate tumorigenesis in many cancers. The aim of this study was to investigate the clinicopathologic role of Sp1 protein in the carcinogenesis of astrocytoma. This study analyzed 98 astrocytoma cases treated at Kaohsiung Medical University Hospital during 2002-2012...
June 9, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29948614/recent-advances-of-blood-telomere-length-btl-shortening-a-potential-biomarker-for-development-of-cancer
#11
LETTER
Paramita Mandal
Telomeres, the specific DNA-protein structures remains at both ends of each chromosome and are crucial in the maintenance of chromosome integrity and genomic stability with protection of the chromosome from damage and degradation.. Increasing evidences suggest the correlation between telomere length and the development of cancers, but the findings remain obscure. Generally, the average length of telomere repeats at the ends of chromosomes that gives a clue in providing indirect information about their mitotic history...
June 8, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29948613/transforming-growth-factor-beta-2-inhibits-growth-and-proliferation-potential-of-smad4-and-p53-mutated-human-colon-adenocarcinoma-cells
#12
LETTER
Ramamoorthi Ganesan, Nageswaran Sivalingam
No abstract text is available yet for this article.
June 8, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29948612/pancreatic-cancer-stem-cells-features-and-detection-methods
#13
REVIEW
Toshiyuki Ishiwata, Yoko Matsuda, Hisashi Yoshimura, Norihiko Sasaki, Shunji Ishiwata, Naoshi Ishikawa, Kaiyo Takubo, Tomio Arai, Junko Aida
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive malignancy with a high incidence of distant metastasis and recurrence. Cancer stem cells (CSCs), which are pluripotent, self-renewable, and capable of forming tumors, contribute to PDAC initiation and metastasis and are responsible for resistance to chemotherapy and radiation. Three types of experimental methods are commonly used to identify CSCs: CSC-specific marker detection, a sphere-formation assay that reveals cell proliferation under non-adherent conditions, and detection of side-population (SP) cells that possess high intracellular-to-extracellular pump functions...
June 8, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29948611/correction-to-comparison-of-the-amplification-refractory-mutation-system-super-amplification-refractory-mutation-system-and-droplet-digital-pcr-for-t790-m-mutation-detection-in-non-small-cell-lung-cancer-after-failure-of-tyrosine-kinase-inhibitor-treatment
#14
Lucheng Zhu, Shirong Zhang, Yanping Xun, Yanping Jiang, Bing Xia, Xueqin Chen, Limin Wang, Hong Jiang, Shenglin Ma
The affiliation of first author (Lucheng Zhu) should be Department of Oncology, Hangzhou Cancer Hospital and Department of Oncology, Hangzhou First People's Hospital, Nanjing Medical University.
June 8, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29882196/prone-positioning-on-a-belly-board-decreases-rectal-and-bowel-doses-in-pelvic-intensity-modulated-radiation-therapy-imrt-for-prostate-cancer
#15
Renáta Kószó, Linda Varga, Emese Fodor, Zsuzsanna Kahán, Adrienne Cserháti, Katalin Hideghéty, Zsófia Együd, Csilla Szabó, Emőke Borzási, Dorottya Szabó, Kitti Müllner, Zoltán Varga, Anikó Maráz
The presence of normal tissues in the irradiated volume limits dose escalation during pelvic radiotherapy (RT) for prostate cancer. Supine and prone positions on a belly board were compared by analyzing the exposure of organs at risk (OARs) using intensity modulated RT (IMRT). The prospective trial included 55 high risk, localized or locally advanced prostate cancer patients, receiving definitive image-guided RT. Computed tomography scanning for irradiation planning was carried out in both positions. Gross tumor volume, clinical and planning target volumes (PTV) and OARs were delineated, defining subprostatic and periprostatic rectal subsegments...
June 7, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29882195/the-effects-of-different-mtor-inhibitors-in-egfr-inhibitor-resistant-colon-carcinoma-cells
#16
Tamás Sticz, Anna Molnár, Titanilla Dankó, Zoltán Hujber, Gábor Petővári, Noémi Nagy, Gyula Végső, László Kopper, Anna Sebestyén
Several monoclonal antibodies and inhibitors targeting signalling pathways are being used in personalised medicine. Anti-EGFR antibodies seem to be effective, however, therapy resistance often occurs in colon carcinoma cases. mTOR inhibitors (mTORIs) could have a potential role in the breakthrough of therapy resistance. The mTOR activity related protein expression patterns and the in vitro effects of EGFR inhibitors (EGFRIs), mTORIs and their combinations were studied in different colon carcinoma cell lines (with different genetic backgrounds)...
June 7, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29872962/association-of-combined-tobacco-smoking-hormonal-contraceptive-use-and-status-matrimonial-with-cervical-cancer-evolution-in-tunisian-women
#17
Sabrina Zidi, Mariem Sahli, Amel Mezlini, Besma Yacoubli-Loueslati
Status matrimonial, cigarette smoking and hormonal contraceptive (HC) use have been associated with cervical cancer (CC) establishment by influencing the CC carcinogenesis process. In the present study, we aim to confirm this correlation between these factors and the risk of CC occurrence among Tunisian population. To evaluate the role of matrimonial status, smoking and HC as cofactors of CC installation, we performed a random selection of 600 women from Salah Azeiz institute in Tunisia and a questionnaire was conducted by doctors for each patient...
June 5, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29862475/importance-of-immunohistochemical-detection-of-somatostatin-receptors
#18
Attila Zalatnai, Eszter Galambos, Eszter Perjési
The long-acting somatostatin analogs represent important weapons in treatment protocols of patients with neuroendocrine tumors. Because these peptides preferentially bind to the specific somatostatin receptors, the targeted therapy requires detection of them. As one of the national consulting centers, here we present the results of the immunohistochemically positive neuroendocrine neoplasms diagnosed between 2010 and 2014. Twenty-four paraffin-embedded cases (14 females 10 men, 21-79 years) from different localizations were found to express somatostatin-receptor type 2 (SSTR2)...
June 3, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29862474/androgen-receptor-predicts-first-and-multiple-recurrences-in-non-muscle-invasive-urothelial-carcinoma-of-the-bladder
#19
Satoru Yonekura, Fumihito Terauchi, Kenji Hoshi, Takehiko Yamaguchi, Shigeo Kawai
The aim of this study is to investigate the role of androgen receptor (AR) expression on clinicopathologic characteristics, first recurrence free survival (RFS), progression free survival (PFS) and multiple recurrences in non-muscle invasive bladder cancer (NMIBC). AR expression in 40 paraffin-embedded specimens of primarily diagnosed NMIBC after transurethral resection was examined by immunohistochemistry using a monoclonal AR antibody. Associations between AR expression and clinicopathologic features and prognosis were statistically assessed...
June 3, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29862473/significant-family-history-of-breast-cancer-may-further-increase-risk-of-pre-malignant-and-malignant-lesions-in-specimens-from-breast-reduction-surgery
#20
LETTER
Kadri Altundag
No abstract text is available yet for this article.
June 3, 2018: Pathology Oncology Research: POR
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