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https://www.readbyqxmd.com/read/30108594/immune-checkpoint-mediated-interactions-between-cancer-and-immune-cells-in-prostate-adenocarcinoma-and-melanoma
#1
REVIEW
Angela Rita Elia, Sara Caputo, Matteo Bellone
Prostate adenocarcinoma (PCa) and melanoma are paradigmatic examples of tumors that are either poorly or highly sensitive to therapies based on monoclonal antibodies directed against regulatory pathways in T lymphocytes [i.e., immune checkpoint blockade (ICB)]. Yet, approximately 40% of melanoma patients are resistant or acquire resistance to ICB. What characterize the microenvironment of PCa and ICB-resistant melanoma are a scanty cytotoxic T cell infiltrate and a strong immune suppression, respectively. Here, we compare the tumor microenvironment in these two subgroups of cancer patients, focusing on some among the most represented immune checkpoint molecules: cytotoxic T lymphocyte-associated antigen-4, programmed death-1, lymphocyte activation gene-3, and T cell immunoglobulin and mucin-domain containing-3...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/30107665/-lung-non-terminal-respiratory-unit-type-adenocarcinoma-a-clinicopathologic-study
#2
B Liu, N Wu, Q Shen, S S Shi, S S Zhang, Y Ru, Q Rao, X J Zhou
Objective: To evaluate the clinicopathologic characteristics of lung non-terminal respiratory unit (non-TRU) type adenocarcinoma. Methods: Seventy-two cases of lung non-TRU type adenocarcinoma that underwent complete resection and diagnosed at Departments of Pathology, Affiliated Suzhou Hospital of Nanjing Medical University and Nanjing General Hospital of the PLA from January 2005 to December 2016 were retrospectively studied. The histomorphological changes and precursor lesions were observed under microscope...
August 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/30107246/artepillin-c-drupanin-aromadendrin-4-o-methyl-ether-and-kaempferide-from-brazilian-green-propolis-promote-gastroprotective-action-by-diversified-mode-of-action
#3
Philipe Costa, Marilia O Almeida, Marivane Lemos, Caroline Arruda, Rosana Casoti, Lincon Bordignon Somensi, Thaise Boeing, Marihá Mariott, Rita de Cássia Melo Vilhena de Andrade Fonseca da Silva, Bruna De Paoli Stein, Priscila de Souza, Ana Caroline Dos Santos, Jairo K Bastos, Luísa Mota da Silva, Sérgio Faloni de Andrade
ETHOPHARMACOLOGICAL RELEVANCE: The propolis is extensively used in folk medicine in natura or to prepare pharmaceutical formulations since ancient time to improve health or prevent diseases, among them gastrointestinal disorders. Aiming to contribute in the scientific validation about the popular use of Brazilian Green propolis (BGP) against gastritis and gastric ulcer, this work evaluated the antiulcer potential of isolated compounds from BGP, three prenylated p-coumaric acid derivatives and two flavonoids, respectively named: 3,5 diprenyl-4-hydroxycinnamic acid (artepillin C) (1), 3-prenyl-4-dihydroxycinnamoiloxy cinnamic acid (baccharin) (2), 3-prenyl-4-hydroxycinnamic acid (drupanin) (3), aromadendrin-4'-O-methyl-ether (4) and kaempferide (5)...
August 11, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/30106451/association-between-tim%C3%A2-3-and-gal%C3%A2-9-expression-and-gastric-cancer-prognosis
#4
Yangyang Wang, Enhao Zhao, Zizhen Zhang, Gang Zhao, Hui Cao
The T‑cell immunoglobulin and mucin domain‑containing protein 3 (Tim‑3)/galectin 9 (Gal‑9) pathway, which serves a pivotal role in immune regulation, is similar to the programmed death (PD)‑1/PD‑ligand 1 pathway. Recent evidence has suggested that Tim‑3 is differentially regulated in a variety of tumors and is a potential therapeutic target. The aim of the present study was to evaluate Tim‑3 and Gal‑9 expression and cluster of differentiation (CD)3+, CD8+ and forkhead box (FOX)p3+ T cell tumor‑infiltration in gastric cancer, as well as their impact on prognosis...
August 6, 2018: Oncology Reports
https://www.readbyqxmd.com/read/30106195/importance-of-main-pancreatic-duct-dilatation-in-ipmn-undergoing-surveillance
#5
G Marchegiani, S Andrianello, G Morbin, E Secchettin, M D'Onofrio, R De Robertis, G Malleo, C Bassi, R Salvia
BACKGROUND: The association between risk of pancreatic cancer and a dilated main pancreatic duct (MPD) in intraductal papillary mucinous neoplasm (IPMN) is debated. The aim of this study was to assess the role of MPD size in predicting pancreatic cancer in resected IPMNs and those kept under surveillance. METHODS: All patients with IPMN referred to the Pancreas Institute, University of Verona Hospital Trust, from 2006 to 2016 were included. The primary endpoint was the occurrence of malignancy detected at surgery or during follow-up...
August 14, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/30102768/neoplastic-transformation-of-peribiliary-stem-cell-niche-in-cholangiocarcinoma-arisen-in-primary-sclerosing-cholangitis
#6
Guido Carpino, Vincenzo Cardinale, Trine Folseraas, Diletta Overi, Krzysztof Grzyb, Daniele Costantini, Pasquale Bartolomeo Berloco, Sabina Di Matteo, Tom Hemming Karlsen, Domenico Alvaro, Eugenio Gaudio
Primary sclerosing cholangitis (PSC) is a chronic inflammatory cholangiopathy frequently complicated by cholangiocarcinoma (CCA). Massive proliferation of biliary tree stem/progenitor cells (BTSCs), expansion of peribiliary glands (PBGs), and dysplasia were observed in PSC. The aims of the present study were to evaluate the involvement of PBGs and BTSCs in CCA which emerged in PSC patients. Specimens from normal liver (N=5), PSC (N=20), and PSC-associated CCA (N=20) were included. Samples were processed for histology, immunohistochemistry and immunofluorescence...
August 13, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/30101024/primary-ovarian-signet-ring-cell-carcinoma-a-rare-case-report
#7
Ji Hye Kim, Hee Jeong Cha, Kyu-Rae Kim, Kyungbin Kim
Signet ring cell carcinoma (SRCC) of the ovary is most commonly metastatic from a primary lesion. Primary ovarian SRCC is rare, and the distinction between primary and metastatic SRCC of the ovary may be difficult. We herein present a case of primary SRCC of the ovary in a 54-year-old woman presenting with a right ovarian mass sized 20.5×16.5×11.5 cm. Total abdominal hysterectomy with bilateral salpingo-oophorectomy, partial omentectomy and incidental appendectomy were performed. Upon histological examination, mucinous carcinoma composed predominantly of signet ring cells was observed in the right ovary...
August 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/30100173/connexin-30-2-is-expressed-in-exocrine-vascular-endothelial-and-ductal-epithelial-cells-throughout-pancreatic-postnatal-development
#8
C Coronel-Cruz, I Sánchez, B Hernández-Tellez, V Rodríguez-Mata, E Pinzón-Estrada, A Castell-Rodríguez, E M Pérez-Armendariz
Previously we have demonstrated that the GJ protein connexin 30.2 (Cx30.2) is expressed in pancreatic beta cells and endothelial cells (ECs) of the islet. In the present study, we address whether Cx30.2 is expressed in the exocrine pancreas, including its vascular system. For this, adult mouse pancreatic sections were double labeled with specific antibodies against Cx30.2 and CD31, an endothelial cell marker, or with anti-α-actin smooth muscle, a smooth muscle cell (SMC) marker or anti-mucin-1, a marker of epithelial ductal cells, using immunofluorescence (IF) studies...
August 2018: Acta Histochemica
https://www.readbyqxmd.com/read/30099892/probiotic-bacillus-enhance-the-intestinal-epithelial-cell-barrier-and-immune-function-of-piglets
#9
W Du, H Xu, X Mei, X Cao, L Gong, Y Wu, Y Li, D Yu, S Liu, Y Wang, W Li
Bacillus is widely used in the livestock industry. This study was designed to evaluate the effects of probiotic Bacillus amyloliquefaciens SC06 (Ba), originally isolated from soil, in piglets diet as an alternative to antibiotics (aureomycin), mainly on intestinal epithelial barrier and immune function. Ninety piglets were divided into three groups: G1 (containing 150 mg/kg aureomycin in the diet); G2 (containing 75 mg/kg aureomycin and 1×108 cfu/kg Ba in the diet); G3 (containing 2×108 cfu/kg Ba in the diet without any antibiotics)...
August 13, 2018: Beneficial Microbes
https://www.readbyqxmd.com/read/30099344/rosmarinic-acid-influences-collagen-mmps-timps-glycosylation-and-muc1-in-crl-1739-gastric-cancer-cell-line
#10
I Radziejewska, K Supruniuk, J Nazaruk, E Karna, B Popławska, A Bielawska, A Galicka
Rosmarinic acid (RA) is a natural phenylpropanoid with numerous pharmacological activities. Because of limited studies of the effects of RA action in gastric cancer cells we examined how 100 and 200 μM acid influences MMPs, TIMPs, collagen, MUC1 and specific sugar antigens in gastric adenocarcinoma CRL-1739 cells. We revealed inhibitory effect of RA on MMP-9 activity what was correlated with increased collagen type I expression, main ECM substrate degraded by MMPs. Tissue inhibitor of MMPs, TIMP-1 but not TIMP-2 was significantly decreased on the protein level and increased on mRNA level by RA action what can suggest TIMP-1 independent inhibitory action of an acid on MMP-9 activity...
August 9, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/30094655/dual-aptamer-based-electrochemical-sandwich-biosensor-for-mcf-7-human-breast-cancer-cells-using-silver-nanoparticle-labels-and-a-poly-glutamic-acid-mwnt-nanocomposite
#11
Samira Yazdanparast, Ali Benvidi, Maryam Banaei, Habib Nikukar, Marzieh Dehghan Tezerjani, Mostafa Azimzadeh
This paper reports on a sensitive and selective method for the detection of Michigan Cancer Foundation-7 (MCF-7) human breast cancer cells and MUC1 biomarker by using an aptamer-based sandwich assay. A biocompatible nanocomposite consisting of multiwall carbon nanotubes (MWCNT) and poly(glutamic acid) is placed on a glassy carbon electrode (GCE). The sandwich assay relies on the use of a mucin 1 (MUC1)-binding aptamer that is first immobilized on the surface of modified GCE. Another aptamer (labeled with silver nanoparticles) is applied for secondary recognition of MCF-7 cells in order to increase selectivity and produce an amplified signal...
August 9, 2018: Mikrochimica Acta
https://www.readbyqxmd.com/read/30093986/intraductal-papillary-mucinous-neoplasm-originating-from-a-heterotopic-pancreas-within-the-jejunum-a-case-report
#12
Eiji Noda, Kenji Kuroda, Tomohisa Sera, Takuya Mori, Haruhito Kinoshita, Tsuyoshi Hasegawa, Hitoshi Teraoka, Takaaki Chikugo
We report a case of intraductal papillary mucinous neoplasm arising within the heterotopic pancreatic tissue which was found incidentally in the jejunum during surgery for bowel obstruction. A 54-year-old female patient was admitted to our hospital due to sudden abdominal pain. In preoperative findings, we diagnosed bowel obstruction and performed surgery. Intra-operative findings showed adhesive intestinal obstruction, we performed synechiotomy for adhesion release. During surgery, when searching the small intestine, we coincidentally found a tumor in the jejunum and partial resected the jejunum...
August 2018: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/30092236/so-called-non-classic-ciliated-muconodular-papillary-tumors-a-comprehensive-comparison-of-the-clinicopathological-and-molecular-features-with-classic-ciliated-muconodular-papillary-tumors
#13
Qiang Zheng, Rongkui Luo, Yan Jin, Xuxia Shen, Ling Shan, Lei Shen, Yingyong Hou, Yuan Li
Ciliated muconodular papillary tumors (CMPTs) are characterized by tripartite cellular components of ciliated columnar cells, mucinous cells, and basal cells with predominantly papillary architecture. Some peripheral lung nodules may not demonstrate papillary architecture and tripartite cells that show bronchiolar differentiation; these nodules are termed "CMPTs with non-classic morphology" by some authors. To validate the rationality of "non-classic" CMPTs and to analyze the clinicopathological features of CMPTs, we enrolled 21 cases of lung nodules, comprising classic CMPTs (n=11) and so-called "non-classic" CMPTs (n=10)...
August 6, 2018: Human Pathology
https://www.readbyqxmd.com/read/30090573/arsenic-trioxide-exposure-accelerates-colon-preneoplasic-aberrant-crypt-foci-induction-regionally-through-mitochondrial-dysfunction
#14
Hichem Moulahoum, Belkacem Mohamed Amine Boumaza, Meriem Ferrat, Bahia Djerdjouri
Arsenic poisoning is a worldwide problem. Thus, we studied the effects of arsenic trioxide (ATO) administration on a 1,2-dimethylhydrazine (DMH)-induced preneoplasic colon carcinogenesis model. Mice were separated into four study groups; the control group received only vehicles. The ATO group received daily a 2.5 mg kg-1 dose for 4 weeks. The DMH group received DMH (20 mg kg-1 ) twice in two weeks. The third group (D-ATO) had the same as the DMH group with ATO administration starting at week 10. At the end of 14 weeks, colons from sacrificed mice were taken, segmented into distal and proximal and subjected to aberrant crypt foci (ACF), aberrant crypt (AC) counting, alcian blue, H&E and Hoechst histological study and lastly oxidative stress marker analysis as well as mitochondrial swelling assessment...
March 1, 2018: Toxicology Research
https://www.readbyqxmd.com/read/30088450/an-unusual-presentation-of-a-rare-scleroderma-mimic-what-is-behind-the-scenes
#15
Rehab Ali Ibrahim, Nour El-Hoda Hussien Abdalla, Engy Amr Husssein Shabaan, Noha Bassiouny Hassan Mostafa
BACKGROUND: Scleroderma or systemic sclerosis (SSc) is a rare systemic autoimmune disease. Many conditions mimic the presentation of SSc, especially skin thickening and fibrosis. One of these conditions is scleredema, a rare collagen and mucin deposition disorder which was found to be associated with diabetes mellitus, streptococcal infection or monoclonal gammopathy. CASE PRESENTATION: A 55 years old female presented with insidious onset and progressive course of diffuse skin thickening of face, neck, arms, forearms, thighs, chest, back, and sparing both hands and feet of 6 years duration associated with arthralgia, dysphagia and dyspnea on exertion of 1-year duration...
August 7, 2018: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/30085297/sodium-butyrate-ameliorates-insulin-resistance-and-renal-failure-in-ckd-rats-by-modulating-intestinal-permeability-and-mucin-expression
#16
Austin Gonzalez, Richard Krieg, Hugh D Massey, Daniel Carl, Shobha Ghosh, Todd W B Gehr, Siddhartha S Ghosh
Background: The associated increase in the lipopolysaccharide (LPS) levels and uremic toxins in chronic kidney disease (CKD) has shifted the way we focus on intestinal microbiota. This study shows that a disruption of the intestinal barrier in CKD promotes leakage of LPS from the gut, subsequently decreasing insulin sensitivity. Butyrate treatment improved the intestinal barrier function by increasing colonic mucin and tight junction (TJ) proteins. This modulation further ameliorated metabolic functions such as insulin intolerance and improved renal function...
August 6, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/30078266/-clinicopathologic-and-molecular-genetic-analysis-of-secretory-carcinoma-of-salivary-gland
#17
M Zhao, D H Zhao, G Cheng, Y J Yan, Z Wang, X L He
Objective: To investigate the clinicopathologic and molecular genetic features of secretory carcinoma of salivary gland (SCSG). Methods: Six cases of SCSG were collected from Zhejiang Provincial People ' s Hospital from January 2011 to March 2018. The clinical, histopathological and immunohistochemical features were analyzed and fluorescence in situ hybridization (FISH) was used to detect ETV6 gene rearrangement. Results: Four out of 6 tumors originated in the parotid gland and one of each in the minor salivary glands of soft palate and the buccal mucosa...
August 9, 2018: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/30077710/chemical-cross-linking-a-feasible-approach-to-prolong-doxylamine-pyridoxine-release-from-spray-dried-chitosan-microspheres
#18
Plamen Katsarov, Bissera Pilicheva, Yordanka Uzunova, Georgi Gergov, Margarita Kassarova
Spray-dried chitosan microparticles have been widely exploited as vehicles for mucosal drug delivery. Despite their advantages as pharmaceutical formulations, one of the major challenges is achieving sustained drug release, which would diminish toxicity and dosage frequency. The aim of this study was to formulate mucoadhesive glutaraldehyde cross-linked chitosan microparticles loaded with doxylamine succinate and pyridoxine hydrochloride as potential nasal drug delivery systems with sustained release. Microparticle models were formulated via spray-drying technique, using glutaraldehyde in different concentrations (0...
August 2, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/30074246/the-neoglycolipid-ngl-technology-based-microarrays-and-future-prospects
#19
Zhen Li, Ten Feizi
The neoglycolipid (NGL) technology is the basis of a state-of-the-art oligosaccharide microarray system, which we offer for screening analyses to the broad scientific community. We review here the sequential development of the technology and its power in pinpointing and isolating naturally occurring ligands for glycan-binding proteins (GBPs) within glycan populations. We highlight our Designer Array approach and Beam Search Array approach for generating natural glycome arrays to identify novel ligands of biological relevance...
August 3, 2018: FEBS Letters
https://www.readbyqxmd.com/read/30066338/micropapillary-pattern-in-pure-mucinous-carcinoma-of-the-breast-does-it-matter-or-not
#20
Xiaoli Xu, Rui Bi, Ruohong Shui, Baohua Yu, Yufan Cheng, Xiaoyu Tu, Wentao Yang
AIMS: Pure mucinous carcinoma (PMC) of the breast is a low-grade cancer. We are aimed to elucidate the prognostic significance of micropapillary structures in breast PMC. METHODS AND RESULTS: 75 patients with breast PMC were collected. All H&E stained slides were reviewed, clinicopathological features including age, tumor size, growth pattern, nuclear grade, histologic grade, lymph node (LN) status, immunohistochemistry (IHC) staining of hormone receptor, human epidermal growth factor receptor 2 (HER2) expression, and Ki-67 proliferation index were analysed...
August 1, 2018: Histopathology
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