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https://www.readbyqxmd.com/read/28110417/splenic-enlargement-and-bone-marrow-hyperplasia-in-patients-receiving-trastuzumab-emtansine-for-metastatic-breast-cancer
#1
Michael Kosmin, Andreas Makris, Noorulhuda Jawad, David Woolf, David Miles, Anwar R Padhani
BACKGROUND: An association between trastuzumab-emtansine (T-DM1) and splenic enlargement is reported in preclinical data, and has been noted anecdotally in patients receiving T-DM1 at our institution. Use of whole-body MRI examinations (WB-MRI) allows for detailed bone marrow assessment and semi-automated splenic volume calculations. OBJECTIVE: To retrospectively evaluate changes in splenic volume versus evidence of bone marrow hyperplasia and/or changes in portal venous pressure in patients receiving T-DM1 for metastatic breast cancer...
January 21, 2017: Targeted Oncology
https://www.readbyqxmd.com/read/28110067/poly-glycerol-sebacate-elastomer-supports-bone-regeneration-by-its-mechanical-properties-being-closer-to-osteoid-tissue-rather-than-to-mature-bone
#2
S H Zaky, K W Lee, J Gao, A Jensen, K Verdelis, Y Wang, A J Almarza, C Sfeir
: Mechanical load influences bone structure and mass. Arguing the importance of load-transduction, we investigated the mechanisms inducing bone formation using an elastomeric substrate. We characterized Poly (glycerol sebacate) (PGS) in-vitro for its mechanical properties, compatibility with osteoprogenitor cells regarding adhesion, proliferation, differentiation under compression versus static cultures and in-vivo for the regeneration of a rabbit ulna critical size defect. The load-transducing properties of PGS were compared in-vitro to a stiffer poly lactic-co- glycolic-acid (PLA/PGA) scaffold of similar porosity and interconnectivity...
January 18, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28110064/activation-of-dendritic-cells-by-low-molecular-weight-oyster-polysaccharides
#3
Ming Zhong, Cheng Zhong, Tingting Wang, Pei Hu, Guanghui Wang, Rujing Ren, Jing Zhang, Huijei Gao, Wen Cui, Wenjuan Duan, Jiantu Che
Dendritic cells play a primary role in antigen presentation to CD4(+) T cells, which initiate acquired immune responses. Therefore, determining positive modulators of dendritic cell activation to improve therapeutic approaches for cancer treatment might be useful. We here investigated the effects of low molecular weight oyster polysaccharides (LMW-OPS) on bone marrow-derived dendritic cells (BMDCs) obtained from mice. LMW-OPS increased the surface expression of major histocompatibility complex class II (MHC-II), CD40 and CD86 in BMDCs and induced the secretion of tumour necrosis factor (TNF)-α and interleukin (IL)-12, which were significantly decreased in the BMDCs derived from MyD88(-/-) mice but not from the lipopolysaccharide-resistant C3H/HeJ mice...
January 18, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28109975/dna-damage-response-in-patients-with-pediatric-acute-lymphoid-leukemia-during-induction-therapy
#4
Júlia Plentz Portich, Rafael Pereira Dos Santos, Nathalia Kersting, Karolina Brochado Jorge, Pietro Rebelo Casagrande, Gabriela Dos Santos Costa, Jéssica Maria Gonçalves Dias Cionek, Danielly Brufatto Olguins, Marialva Sinigaglia, Franciele Faccio Busatto, Jenifer Saffi, Sharbel Weidner Maluf, Jiseh Fagundes Loss, Algemir Lunardi Brunetto, Rafael Roesler, Caroline Brunetto de Farias
Predicting the individual response to chemotherapy is a crucial challenge in cancer treatment. DNA damage caused by antitumor therapies evokes different repair mechanisms responses, such as Nucleotide Excision Repair (NER), whose components are being studied as prognosis biomarkers and target therapies. However, few reports have addressed DNA damages in pediatric Acute Lymphoid Leukemia (ALL). Hence, we conducted an observational follow-up study with pediatric patients to assess DNA damage (by Comet Assay) and gene expression from NER pathway during chemotherapy induction...
January 11, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28109944/synthesis-biological-evaluation-and-molecular-dynamics-md-simulation-studies-of-three-novel-f-18-labeled-and-focal-adhesion-kinase-fak-targeted-5-bromo-pyrimidines-as-radiotracers-for-tumor
#5
Yu Fang, Dawei Wang, Xingyu Xu, Jianping Liu, Aiqin Wu, Xiang Li, Qianqian Xue, Huan Wang, Hang Wang, Huabei Zhang
Focal adhesion kinase (FAK) is considered as an attractive target for oncology. A series of F-18 labeled 5-bromo-N(2)-(4-(2-fluoro-pegylated (FPEG))-3,5-dimethoxyphenyl)-N(4)-(4-methoxyphenyl)pyrimidine-2,4-diamine derivatives were prepared and evaluated as the FAK targeted radiotracers for the early diagnoses of tumor. For the study of the FAK targeted drug molecules, this was the first attempt to develop the tumor diagnostic imaging agents on the radiopharmaceutical level. They inhibited the activity of FAK with IC50 in the range of 91...
January 11, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28109760/effectiveness-of-constrained-liner-use-during-harrington-hip-reconstruction-in-oncology-patient
#6
Deren T Bagsby, L Daniel Wurtz
BACKGROUND: Patients with destructive acetabular lesions are at high risk for morbidity. Harrington described reinforcing acetabular diseased bone with methylmethacrylate, supplemented by metal fixation, to allow total hip reconstruction. However, all published studies using this technique report dislocations. We believe that initial use of constrained liners would help alleviate dislocation risk, without increasing component loosening or polyethylene wear. METHODS: Sixty-eight patients who underwent Harrington hip arthroplasties for metastatic cancer from August 2005 to March 2015 were identified...
November 27, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28109409/ecco-essential-requirements-for-quality-cancer-care-soft-tissue-sarcoma-in-adults-and-bone-sarcoma-a-critical-review
#7
REVIEW
Elisabeth Andritsch, Marc Beishon, Stefan Bielack, Sylvie Bonvalot, Paolo Casali, Mirjam Crul, Roberto Delgado- Bolton, Davide Maria Donati, Hassan Douis, Rick Haas, Pancras Hogendoorn, Olga Kozhaeva, Verna Lavender, Jozsef Lovey, Anastassia Negrouk, Philippe Pereira, Pierre Roca, Godelieve Rochette de Lempdes, Tiina Saarto, Bert van Berck, Gilles Vassal, Markus Wartenberg, Wendy Yared, Alberto Costa, Peter Naredi
BACKGROUND: ECCO essential requirements for quality cancer care (ERQCC) are checklists and explanations of organisation and actions that are necessary to give high-quality care to patients who have a specific tumour type. They are written by European experts representing all disciplines involved in cancer care. ERQCC papers give oncology teams, patients, policymakers and managers an overview of the elements needed in any healthcare system to provide high quality of care throughout the patient journey...
February 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28109246/sensitivity-of-osteosarcoma-cells-to-hdac-inhibitor-ar-42-mediated-apoptosis
#8
Sridhar Murahari, Aimee L Jalkanen, Samuel K Kulp, Ching-Shih Chen, Jaime F Modiano, Cheryl A London, William C Kisseberth
BACKGROUND: Osteosarcoma (OS) is the most common primary bone tumor in both humans and dogs and is the second leading cause of cancer related deaths in children and young adults. Limb sparing surgery along with chemotherapy has been the mainstay of treatment for OS. Many patients are not cured with current therapies, presenting a real need for developing new treatments. Histone deacetylase (HDAC) inhibitors are a promising new class of anticancer agents. In this study, we investigated the activity of the novel HDAC inhibitor AR-42 in a panel of human and canine OS cell lines...
January 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28109003/eradication-of-hcv-and-non-liver-related-non-aids-related-events-in-hiv-hcv-coinfection
#9
Juan Berenguer, Elena Rodríguez-Castellano, Ana Carrero, Miguel A Von Wichmann, Marta Montero, María J Galindo, Josep Mallolas, Manuel Crespo, María J Téllez, Carmen Quereda, José Sanz, Carlos Barros, Cristina Tural, Ignacio Santos, Federico Pulido, Josep M Guardiola, Rafael Rubio, Enrique Ortega, María L Montes, Juan J Jusdado, Gabriel Gaspar, Herminia Esteban, José M Bellón, Juan González-García
: We assessed non-liver-related non-AIDS-related (NLR-NAR) events and mortality in a cohort of HIV/HCV-coinfected patients treated with interferon and ribavirin between 2000 and 2008. The censoring date was May 31, 2014. Cox regression analysis was performed to assess the adjusted hazard rate (HR) of overall death in responders and non-responders. Fine and Gray regression analysis was conducted to determine the adjusted sub-hazard rate (sHR) of NLR deaths and NLR-NAR events considering death as the competing risk...
January 21, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28108818/association-between-bone-scan-index-and-activities-of-daily-living-in-patients-with-advanced-non-small-cell-lung-cancer
#10
Ikuno Ito, Kimiteru Ito, Shinichi Takahashi, Mitsuko Horibe, Rui Karita, Chika Nishizaka, Takako Nagai, Kohei Hamada, Hiroyuki Sato, Naoko Shindo
PURPOSE: The aim of this retrospective cross-sectional study was to investigate the association between the bone scan index (BSI) and activities of daily living (ADL) in patients with advanced non-small cell lung cancer (NSCLC). METHODS: Among patients with advanced NSCLC, subjects who underwent bone scintigraphy were recruited from this study. Clinical information about patients, including the Barthel Index of ADL, was extracted from their medical charts. Variables including the age, sex, BSI, presence/absence skeletal-related events (SREs), diagnostic state (initial vs...
January 20, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28108674/effects-of-microrna-338-on-morphine-tolerance-by-targeting-cxcr4-in-a-rat-model-of-bone-cancer-pain
#11
Hong-Xia Mei, Min-Hong Zhou, Xing-Wang Zhang, Xi-Xi Huang, Yong-Le Wang, Pei-Fang Wang, Gong-Hao Zhan
This study aimed to investigate the effects of microRNA-338 (miR-338) on morphine tolerance through the targeting of CXCR4 in a rat model of bone cancer pain (BCP). Sprague Dawley rats were obtained and divided into model saline (n = 10), model morphine (n = 50), normal saline (n = 10) and normal morphine (healthy rats, n = 10) groups. After BCP rat model establishment, the remaining SD rats (n = 40) in the model saline group were assigned into pLV-THM-miR-338, pLV-THM-anti-miR-338, CXCR4 shRNA, blank and phosphate buffer saline (PBS) groups...
January 20, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28108635/follicular-thyroid-carcinoma-presenting-with-pathological-fracture-of-the-humerus-at-initial-diagnosis
#12
Wanding Yang, WaiSum Cho, Sudip Das, Peter Conboy
Differentiated carcinomas of the thyroid gland usually have a good prognosis with prognosis often discussed in terms of 20 year survival. Nevertheless its 10-year-survival rate decreases when accompanied by distant metastasis. Follicular thyroid cancer (FTC) is the second most common thyroid cancer and usually presents with a solitary thyroid nodule with or without cervical lymphadenopathy. Distance metastasis at initial diagnosis is seldom observed with incidence range from 1 to 9%. In cases of bone metastasis, the incidence is only 2-3% and weight-bearing skeleton is preferentially affected...
January 19, 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28108624/inflammatory-molecule-psgl-1-deficiency-activates-macrophages-to-promote-colorectal-cancer-growth-through-nf-kappab-signaling
#13
Jiangchao Li, Zeqi Zhou, Xiaohan Zhang, Li Zheng, Dan He, Yuxiang Ye, Qian-Qian Zhang, Cui-Ling Qi, Xiao-Dong He, Chen Yu, Chun-Kui Shao, Liang Qiao, Lijing Wang
: P-selectin glycoprotein ligand 1 (SELPLG/PSGL-1) is an inflammatory molecule that is functionally related to immune cell differentiation and leukocyte mobilization. However, the role of PSGL-1 in tumor development remains unknown. Therefore, this study investigates the mechanistic role of PSGL-1 in the development of intestinal tumors in colorectal cancer (CRC). ApcMin/+ mice, are highly susceptible to spontaneous intestinal adenoma formation, and were crossbred with PSGL1-null mice to generate compound transgenic mice with a ApcMin/+;PSGL-1-/- genotype...
January 20, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28108510/bone-metastasis-of-prostate-cancer-can-be-therapeutically-targeted-at-the-tbx2-wnt-signaling-axis
#14
Srinivas Nandana, Manisha Tripathi, Peng Duan, Chia-Yi Chu, Rajeev Mishra, Chunyan Liu, Renjie Jin, Hironobu Yamashita, Majd Zayzafoon, Neil A Bhowmick, Haiyen E Zhau, Robert J Matusik, Leland W K Chung
Identification of factors that mediate visceral and bone metastatic spread and subsequent bone remodeling events is highly relevant to successful therapeutic intervention in advanced human prostate cancer (PCa). TBX2, a T-box family transcription factor that negatively regulates cell cycle inhibitor p21, plays critical roles during embryonic development, and recent studies have highlighted its role in cancer. Here we report that TBX2 is overexpressed in human PCa specimens and bone metastases from xenograft mouse models of human PCa...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28108330/pleiotropic-responses-to-methionine-restriction
#15
Gene Ables, Jay Johnson
Methionine restriction (MR) extends lifespan across different species. The main responses of rodent models to MR are well-documented in adipose tissue (AT) and liver, which have reduced mass and improved insulin sensitivity, respectively. Recently, molecular mechanisms that improve healthspan have been identified in both organs during MR. In fat, MR induced a futile lipid cycle concomitant with beige AT accumulation, producing elevated energy expenditure. In liver, MR upregulated fibroblast growth factor 21 and improved glucose metabolism in aged mice and in response to a high-fat diet...
January 17, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28108142/identifying-mronj-affected-bone-with-digital-fusion-of-functional-imaging-fi-and-cone-beam-computed-tomography-cbct-case-reports-and-hypothesis
#16
Gayathri Subramanian, Evelyne Kalyoussef, Meredith Blitz-Goldstein, Jessenia Guerrero, Nasrin Ghesani, Samuel Y P Quek
Surgical debridement of medication-related osteonecrosis of the jaw (MRONJ) lesions is far less predictable than lesion resection. Margins for surgical debridement are guided by surrogate markers of bone viability, such as bleeding and bone fluorescence, which limit debridement to visibly necrotic bone. In contrast, surgical resection is extensive, including a substantial portion of surrounding bone. The concept that the MRONJ lesion is a composite of affected but viable ("compromised") and necrotic bone is supported by histopathological data...
November 28, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28106296/pten-plays-dual-roles-as-a-tumor-suppressor-in-osteosarcoma-cells
#17
Yongming Xi, Yan Chen
Osteosarcoma (OS) is the most common primary bone cancer, which occurs primarily in children and adolescents. Functional loss of the tumor suppressor PTEN has been demonstrated in bone malignancies including OS. We have recently reported that Pten expression inversely correlates with OS aggressiveness in mouse models. However, the mechanism whereby PTEN exerts its anti-tumor effect remains unknown. In this study, we first examined the expression of PTEN in human OS cell lines including U2OS, MG63 and Saos-2, and found that PTEN expression is reduced as compared to normal human osteoblasts...
January 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28106052/tanshinone-iia-induces-intrinsic-apoptosis-in-osteosarcoma-cells-both-in-vivo-and-in-vitro-associated-with-mitochondrial-dysfunction
#18
Sheng-Teng Huang, Chao-Chun Huang, Wen-Liang Huang, Tsu-Kung Lin, Pei-Lin Liao, Pei-Wen Wang, Chia-Wei Liou, Jiin-Haur Chuang
Tanshinone IIA (Tan IIA), a phytochemical derived from the roots of Salvia miltiorrhiza, has been shown to inhibit growth and induce apoptosis in various cancer cells. The association of its inhibitory effect on the primary malignant bone tumor, osteosarcoma, with mitochondrial dysfunction remains unclear. This study aimed to investigate the anti-proliferative effects of Tan IIA on human osteosarcoma 143B cells both in vitro and in vivo. Administration of Tan IIA to NOD-SCID mice implanted with 143B cells led to significant inhibition of tumor development...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105621/-analysis-of-risk-factors-for-bone-metastasis-after-radical-resection-of-colorectal-cancer-within-5-years
#19
Ang Li, Zhen Tan, Chuangang Fu, Hao Wang, Jie Yuan
OBJECTIVE: To investigate the risk factors of metachronous bone metastasis after radical resection of colorectal cancer within 5 years. METHODS: Clinical data of 1 749 patients with colorectal cancer, of whom 50(2.8%) patients developed metastasis to bone after operation, in the Department of Colorectal Surgery, Changhai Hospital of The Second Military Medical University from January 2001 to December 2010 were analyzed retrospectively. Univariate and multivariate analysis were performed to find the risk factors of metachronous bone metastasis from colorectal cancer using Chi square test and Logistic regression, respectively...
January 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28105233/mir-574-3p-acts-as-a-tumor-promoter-in-osteosarcoma-by-targeting-smad4-signaling-pathway
#20
Haidong Xu, Xiaozhou Liu, Juan Zhou, Xiaoyun Chen, Jianning Zhao
Human osteosarcoma is the most common primary bone malignancy sarcoma that affects primarily children and people <20 years old. In the present study, it was demonstrated that miR-574-3p was downregulated in human osteosarcoma U2OS, SAOS and MG63 cells lines as well as in osteosarcoma tissue compared with the normal tissues. Downregulation of miR-574-3p by antisense miR-574-3p, inhibited cell growth and induced cell apoptosis. Overexpression of miR-574-3p by transfection with miR-574-3p mimics promoted the growth of U2OS cells...
December 2016: Oncology Letters
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