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https://www.readbyqxmd.com/read/28731197/metastatic-gallbladder-carcinoma-in-meningioma-a-case-report
#1
Burak Eren, Feyza Karagoz Guzey, Ilker Gulec, Azmi Tufan
Metastases from tumors to systemic cancers are rare. The most common intracranial recipient tumor is meningioma. Metastasis from gallbladder cancer has been previously reported from only one patient during autopsy. We present the case of a 72-year-old woman who underwent surgery for right frontal skull base meningioma.The tumor was completely removed. Histological specimens showed gallbladder carcinomatous metastasis with diffuse neuroendocrine differentiation in meningothelial meningioma. The Ki-67 proliferation index of the meningioma was 3%...
June 2, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28711650/role-of-satb2-in-distinguishing-the-site-of-origin-in-glandular-lesions-of-the-bladder-urinary-tract
#2
Giovanna Angela Giannico, Allen M Gown, Jonathan I Epstein, Frank Revetta, Justin A Bishop
The differential diagnosis of glandular lesions of the bladder/urinary tract can be challenging due to significant morphologic and immunohistochemical overlap between primary lesions and metastasis/direct extension from adjacent organs. Special AT-rich sequence-binding protein 2 (SATB2), encoded on chromosome 2q32-33, is a recently described DNA-binding protein involved in osteoblast lineage commitment and expressed in colorectal and appendiceal neoplasms. In this study, we hypothesized that immunohistochemistry for SATB2 may be of value in distinguishing primary adenocarcinoma of the bladder/urinary tract and urothelial carcinoma with glandular differentiation from gastrointestinal and endocervical primaries...
July 12, 2017: Human Pathology
https://www.readbyqxmd.com/read/28704186/comparative-characteristics-of-napsin-a-ttf-1-and-egfr-mutation-expression-in-mucinous-lung-cell-carcinomas
#3
Sylvia N Genova, Veselin T Belovezhdov, Stoyan N Bichev, Vladimir H Danev
BACKGROUND: Invasive mucinous lung adenocarcinomas are rare and account for 2%-10% of all lung adenocarcinoma cases. It is believed that Napsin A exhibits a weaker expression in mucinous adenocarcinomas compared with TTF1, but such correlation is still poorly researched. AIM: The aim of the study was to determine the frequency of mucinous to nonmucinous adenocarcinomas and compare specificity and sensitivity of monoclonal Napsin A with TTF1 in mucinous adenocarcinomas and define the frequency of EGFR mutations...
June 1, 2017: Folia Medica
https://www.readbyqxmd.com/read/28662703/the-diagnosis-of-a-metastatic-breast-tumor-from-ovarian-cancer-by-the-succession-of-a-p53-mutation-a-case-report
#4
Ryutaro Mori, Manabu Futamura, Kasumi Morimitsu, Chiemi Saigo, Tatsuhiko Miyazaki, Kazuhiro Yoshida
BACKGROUND: Metastatic breast tumors from other organs are very rare. We herein describe the case of a patient with a metastatic breast tumor due to ovarian cancer who was diagnosed by the succession of a p53 mutation. CASE PRESENTATION: The patient was a 59-year-old woman with sigmoid colon stenosis. Diagnostic imaging revealed a pelvic mass, multiple liver tumors, ascites, and multiple swollen para-aortic lymph nodes, suggesting an advanced ovarian tumor. Transverse loop colostomy and partial resection of the greater omentum was performed followed by six cycles of paclitaxel with carboplatin chemotherapy (TC therapy)...
June 29, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28632762/dot1l-inhibitor-improves-early-development-of-porcine-somatic-cell-nuclear-transfer-embryos
#5
Jia Tao, Yu Zhang, Xiaoyuan Zuo, Renyun Hong, Hui Li, Xing Liu, Weiping Huang, Zubing Cao, Yunhai Zhang
Incomplete epigenetic reprogramming of the genome of donor cells causes poor early and full-term developmental efficiency of somatic cell nuclear transfer (SCNT) embryos. Previous research indicate that inhibition of the histone H3 K79 methyltransferase DOT1L, using a selective pharmacological inhibitor EPZ004777 (EPZ), significantly improved reprogramming efficiency during the generation of mouse induced pluripotent stem cells. However, the roles of DOT1L in porcine nuclear transfer-mediated cellular reprogramming are not yet known...
2017: PloS One
https://www.readbyqxmd.com/read/28628609/a-multidimensional-integration-analysis-reveals-potential-bridging-targets-in-the-process-of-colorectal-cancer-liver-metastasis
#6
Bo Gao, Tian Yu, Dongbo Xue, Boshi Sun, Qin Shao, Hani Choudhry, Victoria Marcus, Jiannis Ragoussis, Yuguo Zhang, Weihui Zhang, Zu-Hua Gao
Approximately 9% of cancer-related deaths are caused by colorectal cancer. Liver metastasis is a major factor for the high colorectal cancer mortality rate. However, the molecular mechanism underlying colorectal cancer liver metastasis remains unclear. Using a global and multidimensional integration approach, we studied sequencing data, protein-protein interactions, and regulation of transcription factor and non-coding RNAs in primary tumor samples and liver metastasis samples to unveil the potential bridging molecules and the regulators that functionally link different stages of colorectal cancer liver metastasis...
2017: PloS One
https://www.readbyqxmd.com/read/28627695/targeted-cdx2-expression-inhibits-aggressive-phenotypes-of-colon-cancer-cells-in-vitro-and-in-vivo
#7
Jianbao Zheng, Sai He, Jie Qi, Xiaolong Wang, Junhui Yu, Yunhua Wu, Qi Gao, Kai Wang, Xuejun Sun
Loss of caudal type homeobox 2 (CDX2) is associated with the development of human colorectal cancer, while human telomerase reverse transcriptase (hTERT) frequently occurs in variety of human cancers. We investigated the effects of restoration of CDX2 expression using a hypoxia-inducible hTERT promoter-driven vector (pLVX-5HRE-hTERTp-CDX2-3FLAG) on colon cancer cell viability, cell cycle distribution, apoptosis, colony formation, invasion ability and xenograft tumor growth in nude mice. CDX2 overexpression significantly inhibited viability, colony formation, and the invasion and migration ability of LoVo cells, and induced cell cycle arrest and apoptosis in vitro, especially under hypoxic culture conditions...
June 13, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28626751/feeder-cell-type-affects-the-growth-of-in-vitro-cultured-bovine-trophoblast-cells
#8
Islam M Saadeldin, Ahmed Abdelfattah-Hassan, Ayman Abdel-Aziz Swelum
Trophectoderm cells are the foremost embryonic cells to differentiate with prospective stem-cell properties. In the current study, we aimed at improving the current approach for trophoblast culture by using granulosa cells as feeders. Porcine granulosa cells (PGCs) compared to the conventional mouse embryonic fibroblasts (MEFs) were used to grow trophectoderm cells from hatched bovine blastocysts. Isolated trophectoderm cells were monitored and displayed characteristic epithelial/cuboidal morphology. The isolated trophectoderm cells expressed mRNA of homeobox protein (CDX2), cytokeratin-8 (KRT8), and interferon tau (IFNT)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28599482/an-unusual-case-of-pseudomyxoma-peritonei-associated-with-synchronous-primary-mucinous-tumors-of-the-ovary-and-appendix-a-case-report
#9
Dong Soo Suh, Yong Jung Song, Byung Su Kwon, Sul Lee, Nam Kyung Lee, Kyung Un Choi, Ki Hyung Kim
Pseudomyxoma peritonei (PMP) is a rare disease that usually originates from mucinous neoplasms of the appendix and, less commonly, from extra-appendiceal tumors, but it may also be caused by synchronous primary mucinous tumors of the ovary and appendix. The current study discusses the case of a 73-year-old female who presented with progressively worsening indigestion and abdominal distension. Magnetic resonance imaging of the pelvis revealed a large cystic mass with a thin enhancing septa arising from the right ovary and ascites with scalloping of the liver surface...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28599465/pulmonary-enteric-adenocarcinoma-with-pancreatic-metastasis-a-case-report
#10
Wen-Wen Sun, Zhi-Hong Xu, Chao-Fu Wang, Fang Wu, Jiu-Mei Cao, Pei-Jing Cui, Wei Huang, Xiao-Long Jin, Biao Li, Ke-Min Chen, Bei-Li Gao, Jia-An Hu
Pulmonary enteric adenocarcinoma is a markedly rare pathological type of lung adenocarcinoma. As the pancreas is a relatively uncommon site for metastasis, the present case is even more unusual. A 62-year-old male was admitted to hospital following the identification of masses in the left chest wall, right abdominal wall and right upper limb, but with no respiratory symptoms. Computed tomography (CT) of the chest revealed a lump in the lung and a mass in the left chest wall, and (18)F-fluorodeoxyglucose ((18)F-FDG) uptake by the lumps was increased...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28582340/a-report-of-ovarian-sertoli-leydig-cell-tumors-with-heterologous-intestinal-type-glands-and-alpha-fetoprotein-elevation-and-review-of-the-literature
#11
Maysa Al-Hussaini, Yazan Al-Othman, Eman Hijazi, W Glenn McCluggage
Ovarian Sertoli-Leydig cell tumors (SLCTs) are uncommon neoplasms that are occasionally associated with an elevated level of serum alpha fetoprotein (AFP), a marker of germ cell neoplasms, particularly yolk sac tumor (YST). We report 7 cases of ovarian SLCT (3 moderately differentiated, 2 poorly differentiated, 2 retiform) with heterologous intestinal-type glands, 6 of which were associated with elevated serum AFP. The intestinal-type mucinous glands were immunoreactive for SALL4 (4 cases), AFP (4 cases), glypican 3 (1 case), CDX2 (6 cases), and villin (7 cases), markers that are commonly expressed in YSTs, although the latter 2 markers would be expected to be positive in intestinal-type glands...
June 2, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28572085/cdx2-upregulates-slc26a3-gene-expression-in-intestinal-epithelial-cells
#12
Ishita Chatterjee, Anoop Kumar, Rosa Maria Castilla Madrigal, Oscar Pellon-Cardenas, Ravinder K Gill, Waddah A Alrefai, Alip Borthakur, Michael Verzi, Pradeep K Dudeja
SLC26A3 (Down Regulated in Adenoma, DRA) plays a key role in mammalian intestinal NaCl absorption via mediating apical membrane Cl(-)/HCO3(-) exchange. DRA function and expression are significantly decreased in diarrhea associated with inflammatory bowel diseases (IBD). DRA is also considered to be a marker of cellular differentiation, and is predominantly expressed in differentiated epithelial cells. Caudal type homeobox protein-2 (CDX2) is known to regulate genes involved in intestinal epithelial differentiation and proliferation...
June 1, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28572005/reelin-protects-from-colon-pathology-by-maintaining-the-intestinal-barrier-integrity-and-repressing-tumorigenic-genes
#13
Ana E Carvajal, José M Serrano-Morales, María D Vázquez-Carretero, Pablo García-Miranda, María L Calonge, María J Peral, Anunciación A Ilundain
We previously reported that reelin, an extracellular matrix protein first known for its key role in neuronal migration, reduces the susceptibility to dextran sulphate sodium (DSS)-colitis. The aim of the current study was to determine whether reelin protects from colorectal cancer and how reelin defends from colon pathology. In the colon of wild-type and of mice lacking reelin (reeler mice) we have analysed the: i) epithelium cell renewal processes, ii) morphology, iii) Sox9, Cdx2, Smad5, Cyclin D1, IL-6 and IFNγ mRNA abundance in DSS-treated and untreated mice, and iv) development of azoxymethane/DSS-induced colorectal cancer, using histological and real time-PCR methodologies...
May 30, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28556957/increased-frequency-of-bronchiolar-histotypes-in-lung-carcinomas-associated-with-idiopathic-pulmonary-fibrosis
#14
Anna Caliò, Veronica Lever, Andrea Rossi, Eliana Gilioli, Matteo Brunelli, Alessandra Dubini, Sara Tomassetti, Sara Piciucchi, Alessia Nottegar, Giulio Rossi, Marianne Kambouchner, Alessandra Cancellieri, Mattia Barbareschi, Giuseppe Pelosi, Claudio Doglioni, Alberto Cavazza, Rodolfo Carella, Paolo Graziano, Bruno Murer, Venerino Poletti, Marco Chilosi
AIMS: The association between lung cancer and idiopathic pulmonary fibrosis (IPF) is well-known, however the significance of this association is poorly understood. Bronchiolar honeycomb cysts have been proposed as possible precursors for development of carcinoma, but limited evidence of this hypothesis is available. METHODS AND RESULTS: Thirty-three lung carcinomas arising in patients with IPF have been analyzed using a panel of immunohistochemical markers. The antibodies included pneumocyte markers (TTF1, Napsin-A, SPA1), the goblet cell marker MUC5AC, markers of basal/squamous cell differentiation (CK5/6, ΔN-p63) and markers related to enteric differentiation (CDX2, MUC2, CK20, villin)...
May 30, 2017: Histopathology
https://www.readbyqxmd.com/read/28550497/clinicopathological-features-of-intraductal-papillary-neoplasms-of-the-bile-duct-a-comparison-with-intraductal-papillary-mucinous-neoplasm-of-the-pancreas-with-reference-to-subtypes
#15
Yuki Fukumura, Yasuni Nakanuma, Yuko Kakuda, Masaru Takase, Takashi Yao
Intraductal papillary epithelial neoplasms of the pancreatobiliary system (intraductal papillary neoplasm of the bile duct (IPNB) and intraductal papillary mucinous neoplasm (IPMN)) seem to share many clinicopathological features; however, IPNB has not been fully characterized. In order to understand the clinicopathological/immunohistochemical features of IPNB better, we compared 52 cases of IPNB with 42 cases of IPMNs with mural nodules. The IPNB cases were divided into two groups according to their histological similarity and according to five key histological findings...
May 26, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28548470/whole-exome-sequencing-of-etv6-runx1-in-four-childhood-acute-lymphoblastic-leukaemia-cases
#16
Zubaidah Zakaria, Norodiyah Othman, Azli Ismail, Nor Rizan Kamaluddin, Ezalia Esa, Eni Juraida Abdul Rahman, Yuslina Mat Yusoff, Fazlin Mohd Fauzi, Ten Sew Keoh
Background: ETV6/RUNX1 gene fusion is the most frequently seen chromosomal abnormality in childhood acute lymphobastic leukamia (ALL). However, additional genetic changes are known to be required for the development of this type of leukaemia. Therefore, we here aimed to assess the somatic mutational profile of four ALL cases carrying the ETV6/RUNX1 fusion gene using whole-exome sequencing. Methods: DNA was isolated from bone marrow samples using a QIAmp DNA Blood Mini kit and subsequently sequenced using the Illumina MiSeq system...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28542629/characteristics-of-candidate-genes-associated-with-embryonic-development-in-the-cow-evidence-for-a-role-for-wbp1-in-development-to-the-blastocyst-stage
#17
M Sofia Ortega, Justin J Kurian, Robert McKenna, Peter J Hansen
The goal was to gain understanding of how 12 genes containing SNP previously related to embryo competence to become a blastocyst (BRINP3, C1QB, HSPA1L, IRF9, MON1B, PARM1, PCCB, PMM2, SLC18A2, TBC1D24, TTLL3 and WBP1) participate in embryonic development. Gene expression was evaluated in matured oocytes and embryos. BRINP3 and C1QB were not detected at any stage. For most other genes, transcript abundance declined as the embryo developed to the blastocyst stage. Exceptions were for PARM1 and WBP1, where steady-state mRNA increased at the 9-16 cell stage...
2017: PloS One
https://www.readbyqxmd.com/read/28536478/hpslyd-inducing-cdx2-and-vil1-expression-mediated-through-tctp-protein-may-contribute-to-intestinal-metaplasia-in-the-stomach
#18
Qiuping Li, Yanmei Zhu, Jun Liu, Xiuwen Yu, Moye Chen, Nannan Dong, Yuehua Gong, Yuan Yuan
Helicobacter pylori infection is the most important risk factor for gastric intestinal metaplasia (IM). Our previous study demonstrated that infection with H. pylori HpslyD-positive strains associated with IM. To further investigate the signalling pathway involved in HpSlyD-induced IM, CDX2 and VIL1 expressions were determined before and after HpSlyD application. TCTP was knocked down by siRNA or overexpressed by plasmid transfection. An HpSlyD binding protein was used to block HpSlyD's enzymatic activity. The expression of CDX2 and TCTP in gastric diseases was measured by immunohistochemistry...
May 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28533583/high-grade-urothelial-carcinoma-of-bladder-transforming-to-micropapillary-variant-on-follow-up
#19
Nitu Kumari, Anupama Jha, Pawan Vasudeva, Usha Agrawal
Micropapillary variant of urothelial carcinoma (UC) of the bladder is an aggressive tumour, comprising 0.6-6% of all UC. It generally presents with high-grade and stage, and has been reported as having a worse prognosis when compared to traditional UC. We report the case of a 58-year-old man who presented with macroscopic haematuria. The patient was diagnosed with high-grade urothelial carcinoma and returned with recurrence after 16 months. Histopathology after transurethral biopsy revealed a non-muscle invasive high-grade bladder tumour at first presentation, whereas tumour recurrence was reported after 1...
May 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28505002/immunohistochemical-classification-of-ampullary-carcinomas-critical-reappraisal-fails-to-confirm-prognostic-relevance-for-recently-proposed-panels-and-highlights-muc5ac-as-a-strong-prognosticator
#20
Yue Xue, Michelle D Reid, Serdar Balci, Brian Quigley, Takashi Muraki, Bahar Memis, Jun Xia, Ezgi Hacihasanoglu, Gabriela Bedolla, Burcin Pehlivanoglu, Grace E Kim, Takuma Tajiri, Nobuyike Ohike, Ritu Aneja, Alyssa M Krasinskas, Volkan Adsay
Recently, immunohistochemistry-based classifications of ampullary carcinomas have been proposed (Ang and colleagues [PMID: 24832159]; Chang and colleagues [PMID: 23439753]). In this study, the prognostic value of Ang/Chang panel markers (CK20, MUC1, MUC2, CDX2) as well as other markers (CK7, MUC5AC, and MUC6) were tested on full-faced sections of 136 ampullary carcinoma resections with substantial (>5 mm) invasion. Immunohistochemistry was correlated with both histologic classification (intestinal [INT], pancreatobiliary [PB], or nontubular based on ≥3/5 observer agreement) and clinical outcome...
July 2017: American Journal of Surgical Pathology
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