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https://www.readbyqxmd.com/read/28640095/aldehyde-dehydrogenase-1-expression-is-correlated-with-poor-prognosis-in-breast-cancer
#1
Juan Yao, Qin Jin, Xu-Dong Wang, Hui-Jun Zhu, Qi-Chao Ni
Breast cancer (BC) is one of the most common cancers worldwide, and is a major cause of death in women. Aldehyde dehydrogenase 1 (ALDH1) is a marker of stem cells and cancer stem cells, and its activity correlates with the outcome of various tumors, including BC. This study aimed to analyze the relationship between ALDH1 expression and clinicopathological characters in BC and the prognostic significance of ALDH1.We used quantitative reverse-transcription PCR (qRT-PCR) to detect ALDHA1 mRNA levels in 25 fresh frozen BC samples and matched noncancerous samples...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28631711/-expansion-of-secretory-cells-in-the-fallopian-tubal-epithelium-in-the-early-stages-of-the-pathogenesis-of-ovarian-serous-carcinomas
#2
A V Asaturova, L S Ezhova, N M Faizullina, L V Adamyan, G N Khabas, M V Sannikova
AIM: to investigate the frequency of the types of fallopian tubal secretory cell expansion (SCE) in diseases of the reproductive organs and to determine the immunophenotype and biological role of the cells in the early stages of the pathogenesis of high-grade ovarian serous carcinomas (HGOSC). SUBJECTS AND METHODS: The investigation enrolled 287 patients with extraovarian diseases and ovarian serous tumors varying in grade, whose fallopian tubes were morphologically and immunohistochemically examined using p53, Ki-67, PAX2, Bcl-2, beta-catenin, and ALDH1 markers...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28626726/cancer-stem-cells-in-oral-cavity-squamous-cell-carcinoma-a-review
#3
REVIEW
Ranui Baillie, Swee T Tan, Tinte Itinteang
Cancer stem cells (CSCs) have been identified in oral cavity squamous cell carcinoma (OCSCC). CSCs possess the ability for perpetual self-renewal and proliferation, producing downstream progenitor cells and cancer cells that drive tumor growth. Studies of many cancer types including OCSCC have identified CSCs using specific markers, but it is still unclear as to where in the stem cell hierarchy these markers fall. This is compounded further by the presence of multiple CSC subtypes within OCSCC, making investigation reliant on the use of multiple markers...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28616914/-expressions-and-significance-of-aldh1-hif-1%C3%AE-and-vegf-in-laryngeal-squamous-cell-carcinoma
#4
Yan Zhao, Xin Jin, Nan Li, Yan-Zi Qin, Jun Qian
OBJECTIVES: To investigate the expressions of aldehyde dehydrogenase 1(ALDH1), hypoxia-inducible factor 1α(HIF-1α), vascular endothelial growth factor (VEGF) in laryngeal squamous cell carcinoma(LSCC) and their relationships with clinical significance. METHODS: In situ hybridization (ISH) method and immuohistochemical staining were used to detect the mRNA and protein expressions of ALDH1, HIF-1α and VEGF in 120 LSCC specimens and 60 cases of normal laryngeal tissue...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28605329/immunohistochemical-profile-of-tumor-pathways-and-prognostic-significance-in-colon-adenocarcinomas
#5
Serkan Senol, Ayse Bahar Ceyran, Duygu Kösemetin, Bengü Gobanoglu, Dincer Aydin, Esra Akdeniz Duran, Metin Leblebici
The current study examined the immunohistochemical expression levels of molecules on carcinogenesis pathway and evaluated their clinicopathologic significance in colorectal adenocarcinoma (CRA). A total of 189 CRA and 20 colonic mucosal tissue samples were evaluated by immunohistochemical staining using 38 antibodies targeting the known molecules that play roles in developmental pathways of various tumors. The immunoexpression data of the patients were compared to clinicopathologic parameters. Expression loss of MLH1, MSH2, MSH6, PMS2, PTEN, Smad4 and E-cadherin, and overexpression of ALDH1, CD44, CAIX, P504S (AMACR), TGFΒ, and ZEB1 were statistically significant in CRA compared to normal colon mucosa...
2017: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/28604744/emp2-is-a-novel-therapeutic-target-for-endometrial-cancer-stem-cells
#6
M H Kiyohara, C Dillard, J Tsui, S R Kim, J Lu, D Sachdev, L Goodglick, M Tong, V F Torous, C Aryasomayajula, W Wang, P Najafzadeh, L K Gordon, J Braun, S McDermott, M S Wicha, M Wadehra
Previous studies have suggested that overexpression of the oncogenic protein epithelial membrane protein-2 (EMP2) correlates with endometrial carcinoma progression and ultimately poor survival from disease. To understand the role of EMP2 in the etiology of disease, gene analysis was performed to show transcripts that are reciprocally regulated by EMP2 levels. In particular, EMP2 expression correlates with and helps regulate the expression of several cancer stem cell associated markers including aldehyde dehydrogenase 1 (ALDH1)...
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28598117/-expression-level-of-membrane-associated-proteins-numb-in-epithelial-ovarian-carcinoma-and-its-relationship
#7
Hong Jing, Xiao-Yu Liu, Ya-Li Chen, Li-Ping Bai, Ai Zheng
OBJECTIVES: To explore the expression level of membrane-associated protein Numb in epithelial ovarian carcinoma and its relationship with ovarian cancer stem cell markers CD117,CD133,acetaldehyde dehydrogenase 1(ALDH1). METHODS: A total of 136 patients who had ovarian tumors and 22 patients who had not ovarian tumors in Department of Gynaecology and Obstetrics,West China Second University Hospital,Sichuan University were chosen as the study subjects.According to the histopathologic examination results,they were divided into epithelial ovarian carcinoma group (n=92),ovarian borderline tumor group (n=23),ovarian benign tumor group (n=21) and normal ovary group (n=22)...
November 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28595915/predictive-value-for-lymph-node-metastasis-of-epithelial-mesenchymal-transition-and-cancer-stem-cell-marker-expression-in-early-gastric-cancer
#8
Kyung Han Nam, Hyuk Yoon, Kyungbun Lee, Do Joong Park, Hyung-Ho Kim, Hye Seung Lee, Eun Shin
BACKGROUND: Minimally invasive therapies, including endoscopic mucosal resection or sentinel node navigation surgery, have been widely applied in early gastric cancer because of their benefits in promoting patient quality of life. However, lymph node dissection is beyond the capability of endoscopic therapy, and in sentinel node navigation surgery, the potential for skip metastasis is not negligible. Therefore, the possibility of lymph node metastasis is the most important factor to consider when deciding whether to apply the minimally invasive therapies...
March 21, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28581514/aldh1a3-is-epigenetically-regulated-during-melanocyte-transformation-and-is-a-target-for-melanoma-treatment
#9
M Pérez-Alea, K McGrail, S Sánchez-Redondo, B Ferrer, G Fournet, J Cortés, E Muñoz, J Hernandez-Losa, S Tenbaum, G Martin, R Costello, I Ceylan, V Garcia-Patos, J A Recio
Despite the promising targeted and immune-based interventions in melanoma treatment, long-lasting responses are limited. Melanoma cells present an aberrant redox state that leads to the production of toxic aldehydes that must be converted into less reactive molecules. Targeting the detoxification machinery constitutes a novel therapeutic avenue for melanoma. Here, using 56 cell lines representing nine different tumor types, we demonstrate that melanoma cells exhibit a strong correlation between reactive oxygen species amounts and aldehyde dehydrogenase 1 (ALDH1) activity...
June 5, 2017: Oncogene
https://www.readbyqxmd.com/read/28570747/caspase14-expression-is-associated-with-triple-negative-phenotypes-and-cancer-stem-cell-marker-expression-in-breast-cancer-patients
#10
Tadashi Handa, Ayaka Katayama, Takehiko Yokobori, Arito Yamane, Jun Horiguchi, Reika Kawabata-Iwakawa, Susumu Rokudai, Pinjie Bao, Navchaa Gombodorj, Bolag Altan, Kyoichi Kaira, Takayuki Asao, Hiroyuki Kuwano, Masahiko Nishiyama, Tetsunari Oyama
BACKGROUND AND OBJECTIVES: The Caspase14 (CASP14) was reported that the low expression of CASP14 in ovarian cancer and colon cancer was associated with cancer progression, on the other hand, that the CASP14 expression in breast cancer was higher than that of non-cancerous tissues. The purpose of this study is to determine the clinical significance of CASP14 in breast cancer. METHODS: We performed immunohistochemistry for CASP14, ER, PgR, HER2, Ki67, EGFR, CK5/6, CD44, CD24, ALDH1, claudins, and androgen receptor in 222 breast cancer patients including 55 TNBC cases, and evaluated the relationship of CASP14, above-mentioned markers, and prognosis...
June 1, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28525846/exploring-the-clonal-evolution-of-cd133-aldehyde-dehydrogenase-1-aldh1-positive-cancer-stem-like-cells-from-primary-to-recurrent-high-grade-serous-ovarian-cancer-hgsoc-a-study-of-the-ovarian-cancer-therapy-innovative-models-prolong-survival-octips-consortium
#11
Ilary Ruscito, Dan Cacsire Castillo-Tong, Ignace Vergote, Iulia Ignat, Mandy Stanske, Adriaan Vanderstichele, Ram N Ganapathi, Jacek Glajzer, Hagen Kulbe, Fabian Trillsch, Alexander Mustea, Caroline Kreuzinger, Pierluigi Benedetti Panici, Charlie Gourley, Hani Gabra, Mirjana Kessler, Jalid Sehouli, Silvia Darb-Esfahani, Elena Ioana Braicu
BACKGROUND: High-grade serous ovarian cancer (HGSOC) causes 80% of all ovarian cancer (OC) deaths. In this setting, the role of cancer stem-like cells (CSCs) is still unclear. In particular, the evolution of CSC biomarkers from primary (pOC) to recurrent (rOC) HGSOCs is unknown. Aim of this study was to investigate changes in CD133 and aldehyde dehydrogenase-1 (ALDH1) CSC biomarker expression in pOC and rOC HGSOCs. METHODS: Two-hundred and twenty-four pOC and rOC intrapatient paired tissue samples derived from 112 HGSOC patients were evaluated for CD133 and ALDH1 expression using immunohistochemistry (IHC); pOCs and rOCs were compared for CD133 and/or ALDH1 levels...
May 16, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28524540/antineoplastic-effects-of-clove-buds-syzygium-aromaticum-l-in-the-model-of-breast-carcinoma
#12
Peter Kubatka, Sona Uramova, Martin Kello, Karol Kajo, Peter Kruzliak, Jan Mojzis, Desanka Vybohova, Marian Adamkov, Karina Jasek, Zora Lasabova, Pavol Zubor, Silvia Fialova, Svetlana Dokupilova, Peter Solar, Martin Pec, Katarina Adamicova, Jan Danko, Mariusz Adamek, Dietrich Busselberg
It is supposed that plant functional foods, rich in phytochemicals, may potentially have preventive effects in carcinogenesis. In this study, the anticancer effects of cloves in the in vivo and in vitro mammary carcinoma model were assessed. Dried flower buds of cloves (CLOs) were used at two concentrations of 0.1% and 1% through diet during 13 weeks after the application of chemocarcinogen. After autopsy, histopathological and immunohistochemical analyses of rat mammary carcinomas were performed. Moreover, in vitro evaluation using MCF-7 cells was carried out...
May 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28503055/protein-markers-associated-with-an-aldh-sub-population-in-colorectal-cancer
#13
Rui Yang, Xinhua Liu, Smathorn Thakolwiboon, Jianhui Zhu, Xiucong Pei, Mingrui An, Zhijing Tan, David M Lubman
ALDH has been shown to be a marker that denotes a sub-population of cancer stem cells in colorectal and other cancers. This sub-population of cells shows an increased risk for tumor initiation, metastasis, and resistance to chemotherapy and radiation resulting in recurrence and death. It is thus essential to identify the important signaling pathways related to ALDH1+ CSCs in colon cancer. The essential issue becomes to isolate pure sub-populations of cells from heterogeneous tissues for further analysis. To achieve this goal, tissues from colorectal cancer Stage III patients were immuno-stained with ALDH1 antibody...
October 2016: Journal of Proteomics & Bioinformatics
https://www.readbyqxmd.com/read/28498445/evaluation-of-expression-of-cancer-stem-cell-markers-and-fusion-gene-in-synovial-sarcoma-insights-into-histogenesis-and-pathogenesis
#14
Yang Zhou, Dongdong Chen, Yan Qi, Ruixue Liu, Shugang Li, Hong Zou, Jiaojiao Lan, Xinxin Ju, Jinfang Jiang, Weihua Liang, Yaoyuan Shen, Lijuan Pang, Feng Li
Synovial sarcoma (SS) is an aggressive soft tissue tumor, with uncertain histological and cellular origin. SYT-SSX is considered to be responsible for sarcoma initiation and progression. The histogenesis and pathogenesis of this tumor are poorly understood, and prognosis of patients of SS is unsatisfactory. Recent studies have shown an association of cancer stem cells with the initiation and development of tumors. We explored immunohistochemical expression level of stem cell associated markers to determine the possible histogenesis and pathogenesis of SS...
May 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28490735/design-synthesis-and-biological-evaluation-of-novel-hedgehog-inhibitors-for-treating-pancreatic-cancer
#15
Vinod Kumar, Amit Kumar Chaudhary, Yuxiang Dong, Haizhen A Zhong, Goutam Mondal, Feng Lin, Virender Kumar, Ram I Mahato
Hedgehog (Hh) pathway is involved in epithelial-mesenchymal transition (EMT) and cancer stem cell (CSC) maintenance resulting in tumor progression. GDC-0449, an inhibitor of Hh pathway component smoothened (Smo) has shown promise in the treatment of various cancers including pancreatic cancer. However, the emergence of resistance during GDC-0449 treatment with numerous side effects limits its use. Therefore, here we report the design, synthesis and evaluation of novel GDC-0449 analogs using N-[3-(2-pyridinyl) phenyl] benzamide scaffold...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28484082/temporal-and-spatial-changes-of-cells-positive-for-stem-like-markers-in-different-compartments-and-stages-of-human-colorectal-adenoma-carcinoma-sequence
#16
Guanglin Cui, Gang Xu, Li Zhu, Zhigang Pang, Wei Zheng, Zhenfeng Li, Aping Yuan
Considerable evidence supports the idea that stem-like cells may play an essential role during the development of colorectal cancer (CRC). To accomplish this aim, we use immunohistochemistry (IHC) and double IHC with different potential stem-like markers, anti-musashi (Msi), anti-CD133, anti- LGR5 and anti-ALDH1 to examine the presentation of stem-like cells in different compartments including adenoma/CRC epithelium, transitional crypts and tumor stroma in colorectal adenoma and CRC. The results showed that cells positive for stem-like markers were remarkably increased in number and frequently observed in the adenoma/CRC epithelium, transitional crypts and tumor stroma...
April 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28467793/the-different-pathogeneses-of-sporadic-adenoma-and-adenocarcinoma-in-non-ampullary-lesions-of-the-proximal-and-distal-duodenum
#17
Ayumi Niwa, Seiya Kuwano, Hiroyuki Tomita, Keita Kimura, Yukiya Orihara, Tomohiro Kanayama, Kei Noguchi, Kenji Hisamatsu, Takayuki Nakashima, Yuichiro Hatano, Akihiro Hirata, Tatsuhiko Miyazaki, Kazuhiro Kaneko, Takuji Tanaka, Akira Hara
Non-ampullary duodenal adenoma with activation of Wnt/β-catenin signalling is common in familial adenomatous polyposis (FAP) patients, whereas sporadic non-ampullary adenoma is uncommon. The adenoma-carcinoma sequence similar to colon cancer is associated with duodenal tumors in FAP, but not always in sporadic tumors. We obtained 37 non-ampullary duodenal tumors, including 25 adenomas and 12 adenocarcinomas, were obtained from biopsies and endoscopic resections. We performed immunohistochemistry for β-catenin, the hallmark of Wnt activation, and aldehyde dehydrogenase 1 (ALDH1), a putative cancer stem cell marker...
June 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28464221/overexpression-of-hoxa4-and-hoxa9-genes-promotes-self-renewal-and-contributes-to-colon-cancer-stem-cell-overpopulation
#18
Seema Bhatlekar, Vignesh Viswanathan, Jeremy Z Fields, Bruce M Boman
Because HOX genes encode master regulatory transcription factors that regulate stem cells (SCs) during development and aberrant expression of HOX genes occurs in various cancers, our goal was to determine if dysregulation of HOX genes is involved in the SC origin of colorectal cancer (CRC). We previously reported that HOXA4 and HOXD10 are expressed in the colonic SC niche and are overexpressed in CRC. HOX gene expression was studied in SCs from human colon tissue and CRC cells (CSCs) using qPCR and immunostaining...
May 2, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28454215/evaluation-of-aldh1-expression-in-ipsilateral-breast-cancer-recurrence
#19
Tadahiko Shien, Takehiro Tanaka, Masahiko Tanabe, Yasuhiro Okumura, Norikazu Masuda, Atsushi Yoshida, Nobuyuki Arima, Yoshifumi Komoike, Satoru Tanaka, Takuji Iwase, Tetsuya Taguchi, Katsuhiko Nakatsukasa, Hideo Inaji, Makoto Ishitobi
Aldehyde dehydrogenase 1 (ALDH1) is a cancer stem cell (CSC) marker that is easily evaluable. The expression and clinical significance of ALDH1 in ipsilateral breast tumor recurrence (IBTR) has yet to be investigated. In the present study, the expression profile of ALDH1 and its correlation with prognosis in IBTR tissues was examined. Patients with IBTR from eight institutions were retrospectively enrolled in the study. Immunohistochemistry was used to examine ALDH1 expression patterns in the tissue specimens of primary cancers and IBTRs...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28440478/overexpression-of-secretory-phospholipase-a2-iia-supports-cancer-stem-cell-phenotype-via-her-erbb-elicited-signaling-in-lung-and-prostate-cancer-cells
#20
Shan Lu, Zhongyun Dong
Resistance to conventional chemotherapies remains a significant clinical challenge in treatment of cancer. The cancer stem cells (CSCs) have properties necessary for tumor initiation, resistance to therapy, and progression. HER/ERBB‑elicited signaling supports CSC properties. Our previous studies revealed that secretory phospholipase A2 group IIa (sPLA2‑IIa) is overexpressed in both prostate and lung cancer cells, leading to an aberrant high level in the interstitial fluid, i.e., tumor microenvironment and blood...
April 19, 2017: International Journal of Oncology
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