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https://www.readbyqxmd.com/read/28545198/assessing-breast-cancer-awareness-in-thai-women-validation-of-the-breast-cancer-awareness-scale-b-cas
#1
Nitchamon Rakkapao, Supannee Promthet, Malcolm Anthony Moore, Solikhah Solikhah, Cameron Hurst
Background: Raising breast cancer awareness is a well-established first line strategy to reduce breast cancer mortality. A properly validated instrument is needed to gain a better understanding of breast cancer awareness. Objective: The objective of this study was to develop and validate an instrument to assess breast cancer awareness in Thai women. Methods: In this study, we develop and evaluate the validity of the Breast Cancer Awareness Scale (B-CAS). Construct validity was evaluated by using exploratory factor analysis and confirmatory factor analysis, and criterion validity was investigated using ROC curves to examine the associations between B-CAS subscales and breast self-examination...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545194/knowledge-attitudes-and-preventive-practice-towards-breast-cancer-among-general-practitioner-health-professionals-in-morocco
#2
Naima Abda, Adil Najdi, Samira El Fakir, Nabil Tachfouti, Mohamed Berraho, Youssef Chami Khazraji, Loubna Abousselham, Latifa Belakhel, Rachid Bekkali, Chakib Nejjari
Background: Breast cancer is the most common cancer of women in Morocco and its diagnosis is usually made at advanced stages. The aim of this study was to describe the knowledge, practices and attitudes of general practitioners regarding early detection of breast cancer. Methods: A cross-sectional study was carried out during July 2011 on a sample of 140 general practitioners employed in basic health care facilities. Results: The majority (85.7%) of general practitioners were aware of the existence of a ministerial circular which aimed to generalize breast cancer screening...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545186/gallium-nanoparticle-mediated-reduction-of-brain-specific-serine-protease-4-in-an-experimental-metastatic-cancer-model
#3
Enas M Moustafa, Marwa Abdelhameed Mohamed, Noura M Thabet
Purpose: Tumor growth and metastasis depend on angiogenesis; therefore, efforts are being made to develop specific angiogenic inhibitors. Gallium (Ga) is the second most common metal ion, after platinum, used in cancer treatment. Its activities are numerous and various. In the present study, we aimed to investigate the effect of Ga on brain metastasis arising from hepatocellular carcinoma (HCC). Materials and methods: Forty experimental rats (divided into 4 groups) received diethylnitrosamine (DEN) at a dose (20 mg/kg...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545182/breast-cancer-in-australian-indigenous-women-incidence-mortality-and-risk-factors
#4
Kriscia A Tapia, Gail Garvey, Mark Mc Entee, Mary Rickard, Patrick Brennan
The Indigenous people of Australia face significant health gaps compared with the general population, with lower life expectancies, higher rates of death, and chronic illness occurring more often than in non-indigenous Australians. Cancer is the second largest contributor to the burden of disease with breast cancer being the most common invasive cancer diagnosed for females. Despite a lower breast cancer incidence compared with non-indigenous women, fatalities occur at an elevated rate and breast cancers have an earlier age of onset...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545036/the-long-non-coding-rna-neat1-enhances-epithelial-to-mesenchymal-transition-and-chemoresistance-via-the-mir-34a-c-met-axis-in-renal-cell-carcinoma
#5
Fei Liu, Na Chen, Yanchun Gong, Ruihai Xiao, Weichao Wang, Zhengyue Pan
Long non-coding RNAs (lncRNAs) have emerged as new gene regulators and prognostic markers in various cancers. Although the lncRNA nuclear enriched abundant transcript 1 (NEAT1) has been associated with tumorigenesis, its functions in renal cell carcinoma (RCC) have not been elucidated. We determined that NEAT1 is up-regulated in RCC tissue compared to corresponding non-tumor tissue. High NEAT1 expression was associated with tumor progression and poor survival in RCC patients. NEAT1 knockdown suppressed RCC cell proliferation by inhibiting cell cycle progression, and inhibited RCC cell migration and invasion by reversing the epithelial-to- mesenchymal transition phenotype...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28544935/liquiritin-lt-exhibits-suppressive-effects-against-the-growth-of-human-cervical-cancer-cells-through-activating-caspase-3-in-vitro-and-xenograft-mice-in-vivo
#6
She-Hong He, Hong-Gai Liu, Yu-Fei Zhou, Qing-Fen Yue
Cervical cancer is one of the most common female malignancies worldwide. Liquiritin (LT), a major constituent of Glycyrrhiza Radix, possesses a variety of pharmacological activities, including anti-cancer, anti-oxidative, anti-inflammatory and neuro-protective effects. However, its role in human cervical cancer remains to be elusive. In our study, we found that LT suppressed cervical cancer cell migration, invasion and cloning ability with little cytotoxicity to human normal cells. In addition, apoptosis was induced by LT in cervical cancer cells through activation of Caspase-3 and poly ADP-ribose polymerase (PARP) cleavage...
May 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28544934/preventive-effect-of-berberine-against-dmba-induced-breast-cancer-in-female-sprague-dawley-rats
#7
Kalyani Chowdary Karnam, Maheswara Ellutla, Lakshmi Narendra Bodduluru, Eshvendar Reddy Kasala, Shravan Kumar Uppulapu, Malayamarutham Kalyankumarraju, Mangala Lahkar
Breast cancer is the prime cause for cancer mortality in women worldwide. The importance of diverse natural and dietary agents to reduce the risk of developing breast cancer is well established. Berberine, a natural isoquinoline alkaloid found in many medicinal plants is widely used in traditional Indian and Chinese medicine. Because of its capability to seize the cell cycle and induce apoptosis of numerous malignant cells, berberine has received considerable attention as a potential anticancer agent. In the present study, breast cancer was induced in Sprague Dawley (SD) rats by intragastric administration of 7, 12-dimethylbenz[a]anthracene (DMBA) at a dose of 80mg/kg of body weight...
May 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28544727/ultraviolet-radiation-accelerates-nras-mutant-melanomagenesis-a-cooperative-effect-blocked-by-sunscreen
#8
Rebecca C Hennessey, Andrea M Holderbaum, Anamaria Bonilla, Conor Delaney, James E Gillahan, Kathleen L Tober, Tatiana M Oberyszyn, Jonathan H Zippin, Christin E Burd
To mitigate melanoma risk, sunscreen use is widely advocated; yet, the ability of sunscreens to prevent melanoma remains controversial. Here, we test the tenet that sunscreens limit melanoma risk by blocking ultraviolet radiation (UV)-induced DNA damage using murine models that recapitulate the genetics and spontaneous evolution of human melanoma. We find that a single, non-erythematous dose of UV dramatically accelerates melanoma onset and increases tumor multiplicity in mice carrying an endogenous, melanocyte-specific NRas(61R) allele...
May 24, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/28544703/high-ubiquitin-specific-protease-44-expression-induces-dna-aneuploidy-and-provides-independent-prognostic-information-in-gastric-cancer
#9
Sho Nishimura, Eiji Oki, Koji Ando, Makoto Iimori, Yu Nakaji, Yuichiro Nakashima, Hiroshi Saeki, Yoshinao Oda, Yoshihiko Maehara
Chromosomal instability (CIN), characterized by aneuploidy, is a major molecular subtype of gastric cancer. The deubiquitinase USP44 is an important regulator of APC activation in the spindle checkpoint and leads to proper chromosome separation to prevent aneuploidy. Aberrant expression of USP44 leads CIN in cells; however, the correlation between USP44 and DNA aneuploidy in gastric cancer is largely unknown. We analyzed USP44 expression in 207 patients with gastric cancer by immunohistochemistry and found that the proportion of USP44 expression was higher in gastric cancer tumors (mean, 39...
May 23, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28544589/methionine-tumor-starvation-by-erythrocyte-encapsulated-methionine-gamma-lyase-activity-controlled-with-per-os-vitamin-b6
#10
Fabien Gay, Karine Aguera, Karine Sénéchal, Angie Tainturier, Willy Berlier, Delphine Maucort-Boulch, Jérôme Honnorat, Françoise Horand, Yann Godfrin, Vanessa Bourgeaux
Erymet is a new therapy resulting from the encapsulation of a methionine gamma-lyase (MGL; EC number 4.4.1.11) in red blood cells (RBC). The aim of this study was to evaluate erymet potential efficacy in methionine (Met)-dependent cancers. We produced a highly purified MGL using a cGMP process, determined the pharmacokinetics/pharmacodynamics (PK/PD) properties of erymet in mice, and assessed its efficacy on tumor growth prevention. Cytotoxicity of purified MGL was tested in six cancer cell lines. CD1 mice were injected with single erymet product supplemented or not with vitamin B6 vitamer pyridoxine (PN; a precursor of PLP cofactor)...
May 23, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28544544/insulin-like-growth-factor-1-signaling-is-responsible-for-cathepsin-g-induced-aggregation-of-breast-cancer-mcf-7-cells
#11
Riyo Morimoto-Kamata, Satoru Yui
Cathepsin G (CG), a neutrophil serine protease, induces cell migration and multicellular aggregation of human breast cancer MCF-7 cells in a process that is dependent on E-cadherin and CG enzymatic activity. While these tumor cell aggregates can cause tumor emboli that could represent intravascular growth and extravasation into the surrounding tissues, resulting in metastasis, the molecular mechanism underlying this process remains poorly characterized. In this study, we aimed to identify the signaling pathway that is triggered during CG-mediated stimulation of cell aggregation...
May 24, 2017: Cancer Science
https://www.readbyqxmd.com/read/28544474/breast-cancer-and-transplantation
#12
Germaine Wong, Eric Au, Sunil V Badve, Wai H Lim
Breast cancer is an important cancer among solid organ transplant recipients. While the incidence of breast cancer in solid organ transplant recipients is comparable to the age matched general population, the outcomes are generally poor. Interventions such as cancer screening which preclude the development of late stage disease through early detection are not well-studied, and clinical practice guidelines for cancer screening rely solely on recommendations from the general population. Among those with a prior breast cancer history, disease recurrence after transplantation is a rare but fearful event...
May 19, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28544386/skin-mucous-membrane-disorder-and-therapeutic-effect-of-pegylated-liposomal-doxorubicin-in-recurrent-ovarian-cancer
#13
Yuki Yamada, Ryuji Kawaguchi, Fuminori Ito, Kana Iwai, Emiko Niiro, Hiroshi Shigetomi, Yasuhito Tanase, Hiroshi Kobayashi
AIM: Hand-foot syndrome (HFS) induced by chemotherapy and molecule-targeting drugs is correlated with treatment efficacy. We conducted a retrospective analysis to evaluate the relationship between HFS and efficacy of pegylated liposomal doxorubicin (PLD) for recurrent ovarian cancer. METHODS: Patients were treated with PLD between July 2009 and May 2014. We evaluated patient characteristics, incidence of adverse events, clinical benefit (rate of complete response, partial response, and stable disease), progression-free survival, and overall survival...
May 19, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28544176/interactions-between-calcium-intake-and-polymorphisms-in-genes-essential-for-calcium-reabsorption-and-risk-of-colorectal-neoplasia-in-a-two-phase-study
#14
Jing Zhao, Xiangzhu Zhu, Martha J Shrubsole, Reid M Ness, Elizabeth A Hibler, Qiuyin Cai, Jirong Long, Zhi Chen, Ming Jiang, Edmond K Kabagambe, Bing Zhang, Lifang Hou, Walter E Smalley, Todd L Edwards, Edward L Giovannucci, Wei Zheng, Qi Dai
The SLC8A1 (solute carrier family 8, member 1) gene, encoding Na(+) /Ca(2+) exchanger, is essential in regulating calcium reabsorption and homeostasis. Calcium homeostasis plays a key role in cell proliferation and apoptosis. We hypothesized that polymorphisms in five calcium-regulating genes (SLC8A1, ATP2B1, CALB1, CALB2, and CABP1) interact with calcium intake in relation to the risk of colorectal neoplasia. A two-phase (discovery and replication) study was conducted within the Tennessee Colorectal Polyp Study, including a total of 1275 cases and 2811 controls...
May 23, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28544069/cd38-enhances-the-proliferation-and-inhibits-the-apoptosis-of-cervical-cancer-cells-by-affecting-the-mitochondria-functions
#15
Shan Liao, Songshu Xiao, Hongxiang Chen, Manying Zhang, Zhifang Chen, Yuehua Long, Lu Gao, Guangchao Zhu, Junyu He, Shuping Peng, Wei Xiong, Zhaoyang Zeng, Zheng Li, Ming Zhou, Xiaoling Li, Jian Ma, Minghua Wu, Juanjuan Xiang, Guiyuan Li, Yanhong Zhou
Cervical cancer is one of the most common malignant tumors in women all over the world. The exact mechanism of occurrence and development of cervical cancer has not been fully elucidated. CD38 is a type II transmembrane glycoprotein, which was found to mediate diverse activities, including signal transduction, cell adhesion, and cyclic ADP-ribose synthesis. Here, we reported that CD38 promoted cell proliferation and inhibited cell apoptosis in cervical cancer cells by affecting the mitochondria functions. We established stable cervical cancer cell lines with CD38 over-expressed...
May 23, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28543945/indirect-computed-tomography-lymphangiography-with-aqueous-contrast-for-evaluation-of-sentinel-lymph-nodes-in-dogs-with-tumors-of-the-head
#16
Janet A Grimes, Scott A Secrest, Nicole C Northrup, Corey F Saba, Chad W Schmiedt
Sentinel lymph node evaluation is widely used in human medicine to evaluate the first lymph node(s) to which a tumor drains. Sentinel lymph node biopsy allows avoidance of extensive lymphadenectomies in cases where the sentinel lymph node is negative for metastasis, thereby reducing patient morbidity. It has been shown that regional lymph nodes are not always the sentinel lymph node, thus identification and sampling of sentinel lymph nodes allows for more accurate staging, which is critical for treatment and prognostication in dogs with cancer...
May 21, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28543772/parp-inhibitor-rucaparib-induces-changes-in-nad-levels-in-cells-and-liver-tissues-as-assessed-by-mrs
#17
Gilberto S Almeida, Carlo M Bawn, Martin Galler, Ian Wilson, Huw D Thomas, Suzanne Kyle, Nicola J Curtin, David R Newell, Ross J Maxwell
Poly(adenosine diphosphate ribose) polymerases (PARPs) are multifunctional proteins which play a role in many cellular processes. Namely, PARP1 and PARP2 have been shown to be involved in DNA repair, and therefore are valid targets in cancer treatment with PARP inhibitors, such as rucaparib, currently in clinical trials. Proton magnetic resonance spectroscopy ((1) H-MRS) was used to study the impact of rucaparib in vitro and ex vivo in liver tissue from mice, via quantitative analysis of nicotinamide adenosine diphosphate (NAD(+) ) spectra, to assess the potential of MRS as a biomarker of the PARP inhibitor response...
May 22, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28543587/optical-mapping-of-nonmelanoma-skin-cancers-a-pilot-clinical-study
#18
Anna N Yaroslavsky, Xin Feng, Victor A Neel
BACKGROUND AND OBJECTIVE: Nonmelanoma skin cancer (NMSC) is the most common human cancer. Because these tumors often affect the face, there is a strong need for both accurate removal of these neoplasms to prevent recurrence and maximal tissue preservation to prevent cosmetic or functional deformity. Polarization-enhanced reflectance and fluorescence imaging (PERFI) is a new bedside method that uses fluorescent chromophores to image NMSC. While the feasibility of the technique has been successfully demonstrated in ex vivo studies, this is the first pilot study to extend the use of PERFI to in vivo intraoperative imaging of NMSC...
May 23, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28543074/wwc3-regulates-the-wnt-and-hippo-pathways-via-dvls-and-lats1-to-suppress-lung-cancer-invasion-and-metastasis
#19
Qiang Han, Xuyong Lin, Xiupeng Zhang, Guiyang Jiang, Yong Zhang, Yuan Miao, Xuezhu Rong, Xiaoying Zheng, Yong Han, Xu Han, Jingjing Wu, Joachim Kremerskothen, Enhua Wang
The scaffolding protein WWC (WW and C2-domain containing) family is known to regulate cell proliferation and organ size via the Hippo signalling pathway. However, the expression level of WWC3 in human tumours and the mechanisms underlying its role in cellular signal transduction have not yet been reported. Herein, we explored the potential roles of WWC3 in lung cancer cells and the corresponding molecular mechanisms. We found low WWC3 expression in both lung cancer cell lines and lung cancer specimens, which was associated with low differentiation, advanced p-TNM stage, positive lymph node metastasis, and poor prognosis in patients with lung cancer...
May 25, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28543047/less-overdiagnosis-of-kidney-cancer-an-age-period-cohort-analysis-of-incidence-trends-in-16-populations-worldwide
#20
Ariana Znaor, Mathieu Laversanne, Freddie Bray
The increasing rates of kidney cancer incidence, reported in many populations globally, have been attributed both to increasing exposures to environmental risk factors, as well as increasing levels of incidental diagnosis due to widespread use of imaging. To better understand these trends, we examine long-term cancer registry data worldwide, focusing on the roles of birth cohort and calendar period, proxies for changes in risk factor prevalence and detection practice respectively. We used an augmented version of the Cancer Incidence in Five Continents series to analyse kidney cancer incidence rates 1978-2007 in 16 geographically representative populations worldwide by sex for ages 30-74, using age-period-cohort (APC) analysis...
May 23, 2017: International Journal of Cancer. Journal International du Cancer
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