keyword
MENU ▼
Read by QxMD icon Read
search

Retinoblastoma

keyword
https://www.readbyqxmd.com/read/28551632/the-prognostic-value-of-the-immunohistochemical-expression-of-phosphorylated-rb-and-p16-proteins-in-association-with-cyclin-d1-and-the-p53-pathway-in-a-large-cohort-of-patients-with-breast-cancer-treated-with-taxane-based-adjuvant-chemotherapy
#1
Theofani Gavressea, Konstantine T Kalogeras, Georgia-Angeliki Koliou, Flora Zagouri, Georgios Lazaridis, Helen Gogas, Kostas Tsigaridas, Angelos Koutras, Kalliopi Petraki, Christos Markopoulos, Elissavet Pazarli, Gerasimos Aravantinos, Christos Papadimitriou, Pavlos Papakostas, Nektarios Koufopoulos, Charisios Karanikiotis, Sofia Chrisafi, Haralambos P Kalofonos, Dimitrios Pectasides, George Fountzilas, Kitty Pavlakis
BACKGROUND: The retinoblastoma (RB) gene is a tumor-suppressor gene that plays a central role in regulating the cell cycle. Inactivation of this gene is involved in breast cancer. PATIENTS AND METHODS: A total of 827 patients with breast cancer treated with taxane-based adjuvant chemotherapy were included in the study. Protein expression of RB, phosphorylated RB (pRB), p16, cyclin D1 and p53 was evaluated by immunohistochemistry. RESULTS: Neither of the retinoblastoma markers (RB and pRB) reached statistical significance in terms of their association with disease-free or overall survival...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28550678/knockdown-of-long-noncoding-rna-lncrna-metastasis-associated-lung-adenocarcinoma-transcript-1-malat1-inhibits-proliferation-migration-and-invasion-and-promoted-apoptosis-by-targeting-mir-124-in-retinoblastoma
#2
Shujun Liu, Guigang Yan, Junfu Zhang, Lianzhi Yu
Evidence suggests that the long non-coding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1)is upregulated in cancer tissues and its elevated expression is associated with hyper-proliferation. However, the underlying mechanisms regarding the role of MALAT1 in retinoblastoma (RB) remains unclear. This study aimed to explore the functional role of MALAT1 in RB by targeting miR-124. Results showed that the expression of - MALAT1 was significantly higher in Y79 cell line than ARPE-19 cell line (P<0...
May 21, 2017: Oncology Research
https://www.readbyqxmd.com/read/28546235/extraocular-retinoblastoma-a-neglected-case
#3
Bhavna Chawla, Amar Pujari, Aswini Kumar Behera
No abstract text is available yet for this article.
May 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28546131/lipoblasts-in-spindle-cell-and-pleomorphic-lipomas-a-close-scrutiny
#4
Michael Michal, Dmitry V Kazakov, Ladislav Hadravsky, Kvetoslava Michalova, Petr Grossmann, Petr Steiner, Tomas Vanecek, Valentina Renda, Saul Suster, Michal Michal
The presence and frequency of lipoblasts (LPB) in spindle cell lipomas (SCL) and pleomorphic lipomas (PL) has never been studied in detail on histologically, immunohistochemically and molecular genetically validated set of tumors. The authors investigated this feature by reviewing 91 cases of SCL and 38 PL. When more than three unequivocal LPB were found, the case was regarded as positive for the presence of LPB. All positive cases were then stained with CD34 and Retinoblastoma (Rb) protein antibodies and tested by FISH for MDM2 and CDK4 amplifications and the FUS gene rearrangements...
May 22, 2017: Human Pathology
https://www.readbyqxmd.com/read/28545735/retinoblastoma-vitreous-seed-clouds-class-3-a-comparison-of-treatment-with-ophthalmic-artery-chemosurgery-with-or-without-intravitreous-and-periocular-chemotherapy
#5
Jasmine H Francis, Saipriya Iyer, Y Pierre Gobin, Scott E Brodie, David H Abramson
PURPOSE: To compare the efficacy and toxicity of treating class 3 retinoblastoma vitreous seeds with ophthalmic artery chemosurgery (OAC) alone versus OAC with intravitreous chemotherapy. DESIGN: Retrospective cohort study. PARTICIPANTS: Forty eyes containing clouds (class 3 vitreous seeds) of 40 retinoblastoma patients (19 treated with OAC alone and 21 treated with OAC plus intravitreous and periocular chemotherapy). METHODS: Ocular survival, disease-free survival and time to regression of seeds were estimated with Kaplan-Meier estimates...
May 22, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28543636/loss-of-retinoblastoma-in-pleomorphic-fibroma-an-immunohistochemical-and-genomic-analysis
#6
Brian Hinds, Alfredo Agulló, Philip E LeBoit, Timothy H McCalmont, Jeffrey P North
BACKGROUND: Pleomorphic fibroma is a curious neoplasm that exhibits striking cytologic atypia, yet behaves in benign fashion. The cytologic features including single cells with pleomorphic nuclei and scattered giant cells resemble the neoplastic cells of pleomorphic lipoma, a tumor with known retinoblastoma (Rb) loss. METHODS: We assessed the demographic and histopathologic features of a cohort of 26 pleomorphic fibromas, including assessment with immunostaining for Rb, p16, and Ki-67...
May 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28541962/use-of-femoral-artery-ultrasound-during-intraarterial-chemotherapy-for-children-under-10-kg-with-retinoblastoma
#7
Ryan S Kim, Mark J Dannenbaum, Michael W Lin, Maria E Bretana, Deborah L Brown, Amy C Schefler
PURPOSE: To demonstrate the safety and efficacy of intraarterial chemotherapy (IAC) in small infants (<10 kg) with retinoblastoma. METHODS: Retrospective, consecutive, observational case series of patients treated with IAC. Femoral arterial access was obtained using a micropuncture kit and ultrasound guidance, which enabled direct visualization. Melphalan (1.5-5.0 mg), topotecan (0.3-2.0 mg), and/or carboplatin (30-40 mg) were used. Patients underwent adjuvant therapies including laser, cryotherapy, and intravitreal melphalan if persistent disease or recurrence was observed...
May 23, 2017: Retina
https://www.readbyqxmd.com/read/28538507/female-sex-bilateral-disease-age-below-3-years-and-apprehension-for-enucleation-contribute-to-treatment-abandonment-in-retinoblastoma
#8
Anish Bhargav, Usha Singh, Amita Trehan, Zoramathara Zadeng, Deepak Bansal
Treatment abandonment is a major obstacle for treating retinoblastoma in developing countries. The aim was to evaluate plausible causes, outcome, and rate of treatment abandonment in patients with retinoblastoma. The study was retrospective and conducted in a University hospital in North-India. Two cohorts of patients were studied. One was a larger cohort (n=602) of all patients with retinoblastoma in the institution from 2000 to 2014. Limited variables (age, sex, and laterality) were examined in this cohort due to incomplete data/lack of contact...
May 22, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28528011/vitreous-seeds-in-retinoblastoma-clinicopathologic-classification-and-correlation
#9
Alec L Amram, Grecia Rico, Jonathan W Kim, Murali Chintagumpala, Cynthia E Herzog, Dan S Gombos, Patricia Chévez-Barrios
PURPOSE: A recent classification scheme for retinoblastoma vitreous seeds has shown promise in predicting treatment response. For the first time, we correlate this clinical classification scheme with its histopathologic features. DESIGN: Retrospective review. PARTICIPANTS: Enucleated eyes received at the pathology department of the Retinoblastoma Center of Houston from 2010 to 2015. METHODS: Macroscopic photographs of the enucleated eyes of patients with retinoblastoma were analyzed to select those with vitreous seeds...
May 17, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28523003/hpv16-e7-specific-activated-cd8-t-cells-in-e7-transgenic-skin-and-skin-grafts
#10
Seyed Davoud Jazayeri, Paula T Kuo, Graham Robert Leggatt, Ian H Frazer
Human papillomavirus (HPV) 16 E7 (E7) protein expression in skin promotes epithelial hyperproliferation and transformation to malignancy. Grafts of murine skin expressing E7 protein as a transgene in keratinocytes are not rejected from immunocompetent recipients, whereas grafts expressing ovalbumin (OVA), with or without coexpression of E7 protein, are promptly rejected, demonstrating that E7-associated non-antigen-specific local immunosuppression is not a major determinant of lack of rejection of E7 transgenic skin...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28513496/intra-arterial-chemotherapy-for-retinoblastoma-two-year-results-from-tertiary-eye-care-center-in-india
#11
Pukhraj Rishi, Tarun Sharma, Minal Sharma, Aditya Maitray, Abhinav Dhami, Vishvesh Aggarwal, Saravanan Munusamy, R Ravikumar, Satheesh Ramamurthy
AIM: The aim of this study is to describe treatment outcomes and complications of selective intra-arterial chemotherapy (IAC) for intraocular retinoblastoma (RB). MATERIALS AND METHODS: A retrospective, interventional series of 10 eyes with RB which underwent IAC using melphalan (5 mg/7.5 mg) and topotecan (1 mg), or melphalan (5 mg/7.5 mg) alone. Treatment outcomes were evaluated in terms of tumor control, vitreous seeds (VS) and subretinal seeds (SRS) control, and globe salvage rates...
April 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28505181/overexpression-of-pyruvate-dehydrogenase-kinase-1-in-retinoblastoma-a-potential-therapeutic-opportunity-for-targeting-vitreous-seeds-and-hypoxic-regions
#12
Swatishree Sradhanjali, Devjyoti Tripathy, Suryasnata Rath, Ruchi Mittal, Mamatha M Reddy
Pyruvate dehydrogenase kinase 1 (PDK1), a key enzyme implicated in metabolic reprogramming of tumors, is induced in several tumors including glioblastoma, breast cancer and melanoma. However, the role played by PDK1 is not studied in retinoblastoma (RB). In this study, we have evaluated the expression of PDK1 in RB clinical samples, and studied its inhibition as a strategy to decrease cell growth and migration. We show that PDK1 is specifically overexpressed in RB patient samples especially in vitreous seeds and hypoxic regions and cell lines compared to control retina using immunohistochemistry and real-time PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28503348/emerging-trends-in-the-epidemiological-pattern-of-head-and-neck-cancers-in-lagos-nigeria
#13
O A Erinoso, E Okoturo, O M Gbotolorun, O A Effiom, N A Awolola, S S Soyemi, R T Oluwakuyide
BACKGROUND: Unfortunately, despite an increase in medical knowledge, survival rates of head and neck cancers (HNCs) have not been observed to improve greatly. This is true, especially in tumors located in obscure primary sites or late presentation. AIM: The purpose of this study is to assess the epidemiologic pattern of HNCs and to evaluate its emerging trends and patterns in Lagos state. SUBJECTS AND METHODS: A retrospective study was conducted from 2003 to 2013 that analyzed histologically diagnosed cases of HNC at the Pathology Departments of the two tertiary teaching hospitals in Lagos...
September 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28501391/long-term-visual-acuity-strabismus-and-nystagmus-outcomes-following-multimodality-treatment-in-group-d-retinoblastoma-eyes
#14
Ido D Fabian, Zishan Naeem, Andrew W Stacey, Tanzina Chowdhury, Catriona Duncan, M Ashwin Reddy, Mandeep S Sagoo
PURPOSE: To analyse the long-term visual acuity, strabismus and nystagmus outcomes in Group D retinoblastoma following multimodality treatments in a national retinoblastoma referral centre. DESIGN: Retrospective interventional case series. METHODS: A 13-year retrospective chart review of Group D eyes treated initially with intravenous chemotherapy (IVC) and followed-up for at least 1 year from last treatment. Risk factors for final visual acuity (VA) were analysed, and rate of strabismus and nystagmus at last follow-up visit were calculated...
May 10, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28487956/differences-in-cell-death-and-cell-cycle-following-fucoidan-treatment-in-high-density-ht-29-colon-cancer-cells
#15
In-Hye Kim, Mi-Jin Kwon, Taek-Jeong Nam
Fucoidan, a sulfated polysaccharide present in marine brown seaweed, has been demonstrated to inhibit in vivo and in vitro growth of cells. The present study was conducted in HT‑29 human colon cancer cells cultured at a high density, and examined the potential underlying mechanisms by which fucoidan exerts its anti‑proliferative effects, which remain poorly understood. Fucoidan treatment of high‑density HT‑29 cells resulted in the inhibition of cell growth and increased apoptotic cell death. Flow cytometric analysis revealed that fucoidan treatment led to sub‑G1 phase cell cycle arrest...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28486560/analysis-of-aqueous-humor-concentrations-of-cytokines-in-retinoblastoma
#16
Yong Cheng, Shufeng Zheng, Chung-Ting Pan, Mengke Yuan, Libin Chang, Yuou Yao, Mingwei Zhao, Jianhong Liang
To investigate the components of the aqueous humor (AH) in patients with retinoblastoma (RB). We collected 0.1 ml AH of 35 children with RB and 20 patients with congenital cataracts as controls. Multiplex enzyme-linked immunosorbent assays (ELISAs) and Luminex xMAP technology were used to assess 45 cytokines/chemokines, matrix metalloproteinases (MMPs), and acute-phase proteins in the identification cohort. The concentrations of IL-6, IL-7, IL-8, IFN-γ, PIGF-1, VEGF-A, β-NGF, HGF, EGF and FGF-2 were significantly higher in the AH of patients with RB than those in the control group (P<0...
2017: PloS One
https://www.readbyqxmd.com/read/28485721/sost-silencing-promotes-proliferation-and-invasion-and-reduces-apoptosis-of-retinoblastoma-cells-by-activating-wnt-%C3%AE-catenin-signaling-pathway
#17
T Wu, L-N Wang, D-R Tang, F-Y Sun
This study aimed to investigate the effects of SOST and the Wnt/β-catenin signaling pathway on the proliferation, migration, invasion, and apoptosis of human retinoblastoma cells. Fifty-five retinoblastoma and 21 normal retinal tissue samples were collected as the case group and control group, respectively. HXO-RB44 and SO-RB50 cells were selected and assigned into blank, negative control (NC), siRNA1, siRNA2, siRNA3, IWR-1-endo 1, IWR-1-endo 2, and IWR-1-endo 3 groups. Quantitative real-time polymerase chain reaction (qRT-PCR) was applied to detect the expression of SOST, Wnt1, and β-catenin in the collected tissue samples...
May 9, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28482574/epcam-antibody-conjugated-mesoporous-silica-nanoparticles-to-enhance-the-anticancer-efficacy-of-carboplatin-in-retinoblastoma
#18
Wei Qu, Bo Meng, Yangyang Yu, Shaowei Wang
Retinoblastoma (RB) is a rare type of tumor which occurs in the intraocular spaces of eye. Carboplatin (CRB) has been used for the treatment of RB along with focal therapy. In this study, we have demonstrated the preparation of EpCAM-conjugated mesoporous silica nanoparticles for the successful delivery of carboplatin (CRB) to the retinoblastoma cells. The particles size and morphology was nanosized and spherical and exhibited a controlled release kinetics. Cellular uptake studies reveal that enhanced internalization was observed for EpCMSN compared to that of CMSN...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28481867/the-rb-il-6-axis-controls-self-renewal-and-endocrine-therapy-resistance-by-fine-tuning-mitochondrial-activity
#19
S Kitajima, A Yoshida, S Kohno, F Li, S Suzuki, N Nagatani, Y Nishimoto, N Sasaki, H Muranaka, Y Wan, T C Thai, N Okahashi, F Matsuda, H Shimizu, T Nishiuchi, Y Suzuki, K Tominaga, N Gotoh, M Suzuki, M E Ewen, D A Barbie, O Hirose, T Tanaka, C Takahashi
Retinoblastoma (RB) protein inactivation during tumor progression is often associated with acquisition of immature phenotypes and resistance to therapy. Determination of an RB inactivation signature in a context of gaining undifferentiated phenotype in a p53-null sarcoma system revealed a critical role for interleukin (IL)-6. Using a Gene Set Enrichment Analysis (GSEA), we discovered that poorly differentiated breast cancers are enriched for this RB inactivation signature. Accelerated IL-6 secretion following RB inactivation in an RB-intact luminal-type breast cancer cell line MCF-7 promoted a positive feed forward loop between IL-6 and STAT3 driving tumor growth and endocrine therapy resistance...
May 8, 2017: Oncogene
https://www.readbyqxmd.com/read/28481041/reduction-of-the-tumorigenic-potential-of-human-retinoblastoma-cell-lines-by-tff1-overexpression-involves-p53-caspase-signaling-and-mir-18a-regulation
#20
Maike Busch, Jan Große-Kreul, Janina Jasmin Wirtz, Manfred Beier, Harald Stephan, Brigitte Royer-Pokora, Klaus Metz, Nicole Dünker
Trefoil factor family (TFF) peptides have been shown to play a pivotal role in oncogenic transformation, tumorigenesis and metastasis by changing cell proliferation, apoptosis, migration and invasion behavior of various cancer cell lines. In the study presented, we investigated the effect of TFF1 overexpression on cell growth, viability, migration and tumorigenicity of different retinoblastoma (RB) cell lines. Transient TFF1 overexpression significantly increases RB cell apoptosis levels. Stable, lentiviral TFF1 overexpression likewise decreases RB cell viability, proliferation and growth and significantly increases apoptosis as revealed by WST-1 assays, BrdU and DAPI cell counts...
May 8, 2017: International Journal of Cancer. Journal International du Cancer
keyword
keyword
12370
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"