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https://www.readbyqxmd.com/read/29151835/opuntia-humifusa-modulates-morphological-changes-characteristic-of-asthma-via-il-4-and-il-13-in-an-asthma-murine-model
#1
Soon-Young Lee, Chun-Sik Bae, Young-Hoon Choi, Nam-Sook Seo, Chang-Su Na, Jin-Cheol Yoo, Seung Sik Cho, Dae-Hun Park
Asthma is a chronic pulmonary disease that affects an estimated 235 million people worldwide, but asthma drugs have many adverse effects. Opuntia humifusa (eastern prickly pear) has been used as a food and traditional medicine worldwide; however, its anti-asthmatic effects have not been reported. We evaluated O. humifusa as a potential therapeutic or preventive component of anti-asthmatic drugs. We divided ovalbumin-sensitized mice into the following groups: normal control, asthma-induced control, dexamethasone-treated group (positive control), 50 mg/kg O...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/29116460/potential-usefulness-of-methyl-gallate-in-the-treatment-of-experimental-colitis
#2
María Laura Anzoise, Angeles Rodríguez Basso, Julieta Sofía Del Mauro, Andrea Carranza, Graciela López Ordieres, Susana Gorzalczany
Methyl gallate is a gallotannin widely distributed in nature. Previous studies have demonstrated its antioxidant, anti-inflammatory, antimicrobial and anti-tumor activities. In the present study, the activity of methyl gallate on experimental models of inflammatory bowel disease has been investigated. Experimental colitis was induced in Sprague-Dawley rats through the intracolonic instillation of an acetic acid solution (2 mL, 4% v/v). Methyl gallate (100 and 300 mg/kg, p.o.) and the reference drug mesalazine (100 mg/kg, p...
November 7, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/29071443/assessment-of-the-effectiveness-of-cyclosporine-nasal-spray-in-an-animal-model-of-allergic-rhinitis
#3
Erol Senturk, Yavuz Selim Yildirim, Remzi Dogan, Orhan Ozturan, Eray Metin Guler, Mehmet Serif Aydin, Abdurrahim Kocyigit, Mukaddes Esrefoglu, Ilker Kocak
The aim of this study is to show if cyclosporine has an antiallergic role in a rat model of ovalbumin-induced allergic rhinitis. The 54 rats were divided into six equal groups. The first group was a negative control group without induced allergic rhinitis; the second group a positive control with induced allergic rhinitis not receiving treatment. The remaining four groups, after induction of allergic rhinitis, received intranasal cyclosporine treatment in doses of 0.05, 0.1, or 0.2% or nasal steroid treatment...
October 25, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29045292/ovarian-metastases-of-breast-cancers-with-signet-ring-cells-a-report-of-17-cases-including-14-krukenberg-tumors
#4
Jennifer A Bennett, Robert H Young, Ai-Ying Chuang, Melinda F Lerwill
Krukenberg tumor, defined as metastatic adenocarcinoma to the ovary containing at least 10% signet ring cells, usually arises from the stomach but can also originate from other sites. We reviewed 17 metastatic breast carcinomas to the ovary with signet ring cells to potentially identify features indicative of mammary origin as opposed to other possible primary sites. The patients ranged from 41 to 76 (mean, 53.6) yr. Fourteen had a prior history of invasive breast carcinoma (invasive ductal carcinoma, 4; invasive lobular carcinoma, 3; adenocarcinoma not otherwise specified, 3; carcinoma with ductal and lobular features, 2; and unspecified carcinoma, 2) and metastases were identified 2 to 284 (mean, 79) mo after the original diagnosis...
October 17, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29039083/myristoylated-alanine-rich-c-kinase-substrate-marcks-a-multirole-signaling-protein-in-cancers
#5
REVIEW
Lon Wolf R Fong, David C Yang, Ching-Hsien Chen
Emerging evidence implicates myristoylated alanine-rich C-kinase substrate (MARCKS), a major substrate of protein kinase C (PKC), in a critical role for cancer development and progression. MARCKS is tethered to the plasma membrane but can shuttle between the cytosol and plasma membrane via the myristoyl-electrostatic switch. Phosphorylation of MARCKS by PKC leads to its translocation from the plasma membrane to the cytosol where it functions in actin cytoskeletal remodeling, Ca(2+) signaling through binding to calmodulin, and regulation of exocytic vesicle release in secretory cells such as neurons and airway goblet cells...
October 16, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/29032336/a-mouse-dry-eye-model-induced-by-topical-administration-of-the-air-pollutant-particulate-matter-10
#6
Juan Li, Gang Tan, Xiaoyan Ding, Yahong Wang, Anhua Wu, Qichen Yang, Lei Ye, Yi Shao
AIM: To introduce a novel dry eye mouse model induced by topical administration of the air pollutant particulate matter 10 (PM10). METHOD: A total of 60 male BALB/c mice were used in this study and divided into two groups: group A (PBS eye drops, n=30) and group B (PM10 eye drop group, n=30). Each treatment was dosed four times a day, every time 50ul with the concentration of 5mg/ml PM10, for 14 consecutive days in the right eye. The clinical manifestations of dry eye were measured before therapy and 4, 7 and 14days post-treatment respectively, which included the tear volume, tear break-up (BUT) time, corneal fluorescein staining, rose bengal staining, Lissamine Green staining and inflammatory index...
October 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29016405/definition-of-barrett-esophagus-in-the-united-states-support-for-retention-of-a-requirement-for-goblet-cells
#7
Kevan J Salimian, Kevin M Waters, Ogechukwu Eze, Maryam K Pezhouh, Yaman Tarabishy, Eun-Ji Shin, Marcia I Canto, Lysandra Voltaggio, Elizabeth A Montgomery
Barrett esophagus (BE) predisposes patients to the development of esophageal adenocarcinoma (EAC). However, the global definition of BE is controversial. Pathologists in Europe and the United States require intestinal metaplasia (IM) within columnar-lined mucosa (CLM) in the tubular esophagus to diagnose BE, whereas in the UK and Japan only the presence of CLM is required. To aid in establishing an appropriate definition for BE, we evaluated whether IM accompanies EAC in a US patient cohort. We examined a series of 139 consecutive patients who underwent endoscopic mucosal resections or esophagectomies for EAC performed at a US tertiary care center...
October 9, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28974617/entamoeba-histolytica-induced-mucin-exocytosis-is-mediated-by-vamp8-and-is-critical-in-mucosal-innate-host-defense
#8
Steve Cornick, France Moreau, Herbert Y Gaisano, Kris Chadee
Intestinal mucus secretion is critical in maintaining mucosal host defense against a myriad of pathogens by preventing direct association with the epithelium. Entamoeba histolytica specifically binds colonic MUC2 mucin and also induces potent hypersecretion from goblet cells; however, characterization of the nature of the mechanisms controlling mucus release remains elusive. In this report, we identify vesicle SNARE vesicle-associated membrane protein 8 (VAMP8) present on mucin granules as orchestrating regulated exocytosis in human goblet cells in response to the presence of E...
October 3, 2017: MBio
https://www.readbyqxmd.com/read/28932588/kras-mutation-positive-mucinous-adenocarcinoma-originating-in-the-thymus
#9
Ichiro Sakanoue, Hiroshi Hamakawa, Daichi Fujimoto, Yukihiro Imai, Kazuhiro Minami, Keisuke Tomii, Yutaka Takahashi
Thymic carcinoma is a rare, aggressive disease with a low 5-year survival rate. The most common histological neoplastic thymic tumor subtype is squamous cell. We describe an interesting case of a 39-year-old woman who presented with mucinous adenocarcinoma that originated in the thymus and was treated via radical resection and venoplasty of the superior vena cava (SVC). Macroscopically, the resected tumor contained a solid region and multiple cysts with abundant mucin. Microscopic examination showed a papillary growth pattern of goblet cells with round nuclei...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28914716/diagnostic-utility-of-satb2-in-metastatic-krukenberg-tumors-of-the-ovary-an-immunohistochemical-study-of-70-cases-with-comparison-to-cdx2-ck7-ck20-chromogranin-and-synaptophysin
#10
Chen Yang, Li Sun, Lingxin Zhang, Lixin Zhou, Ming Zhao, Yan Peng, Dongfeng Niu, Zhongwu Li, Xiaozheng Huang, Qiang Kang, Lin Jia, Jinping Lai, Dengfeng Cao
SATB2 is a sensitive marker for colorectal adenocarcinomas. No study has investigated its diagnostic utility in metastatic Krukenberg tumors (MKTs) of the ovary. Here we performed immunohistochemical staining SATB2 in 70 MKTs of various origins (stomach 27, colorectum 13, appendix 20 including 19 metastatic adenocarcinomas ex goblet cell carcinoids [AdexGCC] and 1 conventional poorly differentiated carcinoma with signet ring cells, breast 5, bladder 3, lung 2) to assess its diagnostic utility. We also compared SATB2 with CDX2, CK7, CK20, chromogranin, and synaptophysin in MKTs of gastric origin (MKTs-stomach), those of colorectal origin (MKTs-colorectum) and those due to appendiceal AdexGCCs (MKT-AdexGCCs) for their sensitivity and specificity to distinguish these tumors...
September 13, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28890838/adenocarcinoma-ex-goblet-cell-carcinoid-of-appendix-two-case-reports
#11
Yu-Ting Wang, Yi-Ru Li, Tuan-Ying Ke
Adenocarcinoma ex goblet cell carcinoid is a rare tumor incidentally found in specimens of appendicitis. Most patients present with acute abdomen, similar to acute appendicitis. Here we present two cases, which were found incidentally after operation. We give a brief summary about clinical and biological behavior of this entity.
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28858005/preinflammatory-signs-in-established-reusable-and-disposable-contact-lens-wearers
#12
Cecilia Chao, Fiona Stapleton, Mark D P Willcox, Blanka Golebiowski, Kathryn Richdale
SIGNIFICANCE: Established reusable contact lens (CL) wearers show higher tear inflammatory cytokine concentrations and greater conjunctival metaplasia in the region covered by standard soft CLs. The balance of proinflammatory to anti-inflammatory cytokines, but not individual tear cytokine concentrations, was associated with self-reported CL discomfort. PURPOSE: Daily disposable (DD) lenses are often used to improve CL discomfort, but the effect on ocular inflammatory responses has not been fully investigated...
November 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28830562/ciliated-muconodular-papillary-tumors-of-the-lung-with-kras-braf-akt1-mutation
#13
Emiko Udo, Bungo Furusato, Kazuko Sakai, Leah M Prentice, Tomonori Tanaka, Yuka Kitamura, Tomoshi Tsuchiya, Naoya Yamasaki, Takeshi Nagayasu, Kazuto Nishio, Junya Fukuoka
BACKGROUND: Ciliated muconodular papillary tumors (CMPTs) are newly recognized rare peripheral lung nodules that are histologically characterized by ciliated columnar, goblet, and basal cells. Although recent studies have shown that CMPTs constitute a neoplastic disease, the complete histogenesis of CMPTs is not fully understood and molecular data are limited. METHODS: We reviewed four cases of CMPT and performed immunohistochemical and genomic analyses to establish CMPT profiles...
August 22, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28827140/in%C3%A2-vivo-expression-of-mir-32-induces-proliferation-in-prostate-epithelium
#14
Leena Latonen, Mauro Scaravilli, Andrew Gillen, Samuli Hartikainen, Fu-Ping Zhang, Pekka Ruusuvuori, Paula Kujala, Matti Poutanen, Tapio Visakorpi
miRNAs are important regulators of gene expression and are often deregulated in cancer. We have previously shown that miR-32 is an androgen receptor-regulated miRNA overexpressed in castration-resistant prostate cancer and that miR-32 can improve prostate cancer cell growth in vitro. To assess the effects of miR-32 in vivo, we developed transgenic mice overexpressing miR-32 in the prostate. The study indicated that transgenic miR-32 expression increases replicative activity in the prostate epithelium. We further observed an aging-associated increase in the incidence of goblet cell metaplasia in the prostate epithelium...
November 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28808504/goblet-cell-carcinoid-of-the-appendix-and-mixed-adenoneuroendocrine-carcinoma-report-of-three-cases
#15
Hatice Karaman, Fatma Şenel, Mustafa Güreli, Turan Ekinci, Ömer Topuz
Neuroendocrine neoplasms are the most common epithelial tumors among appendix tumors. Appendix tumors that are completely or partially composed of neuroendocrine cells are divided into two categories: Classic carcinoid tumors and goblet cell carcinoid tumors (GCCT). They are known to progress more aggressively than classic (neuro) endocrine tumors. In this study, three cases with acute appendicitis symptoms are presented, including their clinical and histopathological findings. Microscopic examination detected GCCT in two cases and mixed adenoneuroendocrine carcinoma in one case, in addition to acute appendicitis...
July 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28790246/-ciliated-muconodular-papillary-tumor-of-the-lung
#16
Masataka Segawa, Yoshinori Doki, Yoshifumi Shimada, Hiroki Tatsu, Katsuhiko Saito, Masayoshi Touge
A ciliated muconodular papillary tumor (CMPT) has been reported to be a low-grade malignant tumor or benign tumor, consisting of ciliated columnar cells and goblet cells with basaloid cell proliferation, occur in the peripheral lung. We present a case of CMPT in this report. A 42-year-old male was referred to our department due to a nodule detected in the peripheral left lower lobe of lung. The nodule was resected via wedge resection based on a suspected diagnosis of carcinoma. Intraoperative analysis of the frozen sections was suggestive of mucinous adenocarcinoma...
August 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28761642/frequency-characteristics-and-outcomes-of-appendicular-neuroendocrine-tumors-a-cross-sectional-study-from-an-academic%C3%A2-tertiary-care-hospital
#17
Abdelrahman Abdelaal, Walid El Ansari, Issam Al-Bozom, Mahwish Khawar, Fakhar Shahid, Ammar Aleter, Mohammed Rasoul Abunuwar, Ayman El-Menyar
BACKGROUND: Appendicular neuroendocrine tumors (NET, Carcinoid tumors) of the appendix are rare and mostly diagnosed incidentally on the post-operative histopathological examination. NET are usually associated with good 5-year survival rates. We aimed to assess our experience for the diagnosis and management of NET over 11 years. METHOD: It is a retrospective chart review of all clinically suspected patients with acute appendicitis who underwent emergent appendectomy with intention to treat between January 2004-December 2014, and were clinically followed up until 2016...
September 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28713616/baicalein-wogonin-and-scutellaria-baicalensis-ethanol-extract-alleviate-ovalbumin-induced-allergic-airway-inflammation-and-mast-cell-mediated-anaphylactic-shock-by-regulation-of-th1-th2-imbalance-and-histamine-release
#18
Thi Tho Bui, Chun Hua Piao, Chang Ho Song, Chang-Hyun Lee, Hee Soon Shin, Ok Hee Chai
Asthma is characterized by chronic inflammation, goblet cell hyperplasia, the aberrant production of the Th2 cytokines, and eosinophil infiltration into the lungs. In this study, we examined the effects of baicalein, wogonin, and Scutellaria baicalensis ethanol extract on ovalbumin (OVA)-induced asthma by evaluating Th1/Th2 cytokine levels, histopathologic analysis, and compound 48/80-induced systemic anaphylaxis and mast cell activation, focusing on the histamine release from rat peritoneal mast cells. Baicalein, wogonin, and S...
June 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/28659644/are-goblet-cell-carcinoids-a-group-of-heterogeneous-tumors
#19
Jirka Macak, Kristina Nemejcova, Jana Dvorackova
BACKGROUND: Goblet cell carcinoids belong to neuroendocrine tumors, according to the WHO classification. The tumors are diagnosed based on a typical histological pattern and using neuroendocrine markers. However, some tumors do not react with these markers and yet expression of proliferative markers is high. Do these tumors belong to G1 and G2 neuroendocrine tumors? METHODS: The sample comprised nine cases of tumors of the appendix identified by immunohistological methods as goblet cell carcinoids or adenocarcinoma ex goblet cell carcinoid...
September 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/28646079/identification-of-flavin-containing-monooxygenase-5-fmo5-as-a-regulator-of-glucose-homeostasis-and-a-potential-sensor-of-gut-bacteria
#20
Flora Scott, Sandra G Gonzalez Malagon, Brett A O'Brien, Diede Fennema, Sunil Veeravalli, Clarissa R Coveney, Ian R Phillips, Elizabeth A Shephard
We have previously identified flavin-containing monooxygenase 5 (FMO5) as a regulator of metabolic aging. The aim of the present study was to investigate the role of FMO5 in glucose homeostasis and the impact of diet and gut flora on the phenotype of mice in which the Fmo5 gene has been disrupted (Fmo5(-)(/)(-) mice). In comparison with wild-type (WT) counterparts, Fmo5(-)(/)(-) mice are resistant to age-related changes in glucose homeostasis and maintain the higher glucose tolerance and insulin sensitivity characteristic of young animals...
September 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
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