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https://www.readbyqxmd.com/read/28821097/thiolated-pectin-doxorubicin-conjugates-synthesis-characterization-and-anticancer-activity-studies
#1
Kamonrak Cheewatanakornkool, Sathit Niratisai, Somkamol Manchun, Crispin R Dass, Pornsak Sriamornsak
In this paper, pectin was cross-linked by a coupling reaction with either thioglycolic acid or cystamine dihydrochloride to form thiolated pectins. The thiolated pectins were then coupled with doxorubicin (DOX) derivative to obtain thiolated pectin-DOX conjugates by two different methods, disulfide bond formation and disulfide bond exchange. The disulfide bond exchange method provided a simple, fast, and efficient approach for synthesis of thiolated pectin-DOX conjugates, compared to the disulfide bond formation...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820908/ribosomopathy-like-properties-of-murine-and-human-cancers
#2
Sucheta Kulkarni, James M Dolezal, Huabo Wang, Laura Jackson, Jie Lu, Brian P Frodey, Atinuke Dosunmu-Ogunbi, Youjun Li, Marc Fromherz, Audry Kang, Lucas Santana-Santos, Panayiotis V Benos, Edward V Prochownik
Ribosomopathies comprise a heterogeneous group of hematologic and developmental disorders, often characterized by bone marrow failure, skeletal and other developmental abnormalities and cancer predisposition. They are associated with mutations and/or haplo-insufficiencies of ribosomal proteins (RPs) and inefficient ribosomal RNA (rRNA) processing. The resulting ribosomal stress induces the canonical p19ARF/Mdm2/p53 tumor suppressor pathway leading to proliferative arrest and/or apoptosis. It has been proposed that this pathway is then inactivated during subsequent neoplastic evolution...
2017: PloS One
https://www.readbyqxmd.com/read/28820570/engineering-of-micro-to-nano-structured-3d-printed-drug-releasing-titanium-implants-for-enhanced-osseointegration-and-localized-delivery-of-anticancer-drugs
#3
Shaheer Maher, Gagandeep Kaur, Luis Lima-Marques, Andreas Evdokiou, Dusan Losic
Primary and secondary bone cancers are major causes of pathological bone fractures and their treatment through implant fixation and conventional chemotherapy has many limitations. These implants may suffer from poor osseointegration and their rejection is causing repeated surgery, patient's suffering and extensive expenses. On the other hand, there are severe systemic adverse effects of toxic chemotherapeutics administrated using conventional drug delivery. In this paper to address these two problems we present new type of localized drug-releasing titanium implants with enhanced implants' bio-integration and drug release capabilities that could provide high concentration of toxic anticancer drugs locally to treat bone cancers...
August 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28820304/predictors-of-quality-of-life-and-survival-following-gamma-knife-surgery-for-lung-cancer-brain-metastases-a-prospective-study
#4
Sidsel Bragstad, Marianne Flatebø, Gerd Karin Natvig, Geir Egil Eide, Geir Olve Skeie, Maziar Behbahani, Paal-Henning Pedersen, Per Øyvind Enger, Bente Sandvei Skeie
OBJECTIVE Lung cancer (LC) patients who develop brain metastases (BMs) have a poor prognosis. Estimations of survival and risk of treatment-related deterioration in quality of life (QOL) are important when deciding on treatment. Although we know of several prognostic factors for LC patients with BMs, the role of QOL has not been established. Authors of this study set out to evaluate changes in QOL following Gamma Knife surgery (GKS) for BMs in LC patients and QOL as a prognostic factor for survival. METHODS Forty-four of 48 consecutive LC patients with BMs underwent GKS in the period from May 2010 to September 2011, and their QOL was prospectively assessed before and 1, 3, 6, 9, and 12 months after GKS by using the Functional Assessment of Cancer Therapy-Brain (FACT-BR) questionnaire...
August 18, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28819719/activity-of-cabazitaxel-in-patients-with-metastatic-castration-resistant-prostate-cancer-after-treatment-with-single-or-dual-regimens-of-novel-androgen-receptor-targeting-agents
#5
Yukari Bando, Nobuyuki Hinata, Tomoaki Terakawa, Junya Furukawa, Ken-Ichi Harada, Yuzo Nakano, Masato Fujisawa
The purpose of this study was to evaluate the efficacy of cabazitaxel for patients with metastatic castration-resistant prostate cancer (mCRPC) after sequential therapy with docetaxel (DTX) and single or dual regimens of novel androgen receptor-axis-targeted (ARAT) agents. We retrospectively reviewed 84 consecutive patients treated with cabazitaxel at Kobe University Hospital and related hospitals from September 2014 to September 2016. The association of each prognostic parameter with progression-free survival (PFS) was evaluated, including the sequence of therapy...
August 17, 2017: Medical Oncology
https://www.readbyqxmd.com/read/28819506/-parathyroid-carcinoma-about-a-case-and-review-of-the-literature
#6
Naourez Kolsi, Sondos Jellali, Jamel Koubaa
Parathyroid carcinoma is a very rare malignant tumor of the parathyroid gland. Clinically, this cancer is characterized by the presence of severe primary hyperparathyroidism. Diagnosis is based on histological examination but is not always easy. Surgery is the treatment of choice. We report the case of a 59-year old woman with a personal history of arterial hypertension and of recurrent renal lithiasis, presenting with diffuse bone pain associated with asthenia. Neck examination showed hard basi-cervical swelling with nonpalpable lower edge...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819375/bone-marrow-derived-mesenchymal-stem-cells-involve-in-the-lymphangiogenesis-of-lung-cancer-and-jinfukang-inhibits-the-involvement-in-vivo
#7
Xian-Mei Zhou, Dan Wang, Hai-Lang He, Jie Tang, Jing Wu, Ling Xu, Jian-Xin Li
Lymphangiogenesis plays an important role in cancer metastasis. Bone marrow-derived mesenchymal stem cells (BMMSCs) migrate to the site of tumorigenesis and in turn promote the metastasis. However, whether BMMSCs involve in the lymphangiogenesis of lung cancer is unclear. Jinfukang has clinically been used for the treatment of non small cell lung cancer (NSCLC) in China. In this study, to investigate the involvement of BMMSCs in lymphangiogenesis in lung cancer, and evaluate the inhibitory effect of Jinfukang on the lymphangiogenesis, chimeric mice were prepared by transplanting bone marrow from green fluorescent protein (GFP) transgenic mice (C57BL/6-EGFP) into irradiated C57BL/6 mice...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819126/targeted-blockade-of-tgf-%C3%AE-and-il-6-jak2-stat3-pathways-inhibits-lung-cancer-growth-promoted-by-bone-marrow-derived-myofibroblasts
#8
Jindong Shi, Jingjing Feng, Juan Xie, Zhoufang Mei, Tianyun Shi, Shengmei Wang, Yong Du, Gong Yang, Yougen Wu, Xiaojiao Cheng, Shanqun Li, Liming Zhu, Chung S Yang, Shuiping Tu, Zhijun Jie
To investigate the role of TGF-β and IL-6 in myofibroblasts (MFs) - lung cancer cell interactions, lung cancer cells (Lewis and CTM-167 cell lines) were stimulated by IL-6, MF-conditioned medium (MF-CM) or MFs, with or without TGF-β signaling inhibitor - SB431542 and/or JAK2/STAT3 inhibitor - JSI-124. MFs were stimulated by TGF-β, cancer cell-CM or cancer cells, with or without SB431542 and JSI-124. Cell proliferation, the levels of cytokines, expression of mRNA and protein were determined. Mice bearing xenograft tumors were intraperitoneally treated with SB431542 or JSI-124 and monitored for up to 45 days...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819009/the-aaa-atpase-p97-a-cellular-multitool
#9
REVIEW
Lasse Stach, Paul S Freemont
The AAA+ (ATPases associated with diverse cellular activities) ATPase p97 is essential to a wide range of cellular functions, including endoplasmic reticulum-associated degradation, membrane fusion, NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) activation and chromatin-associated processes, which are regulated by ubiquitination. p97 acts downstream from ubiquitin signaling events and utilizes the energy from ATP hydrolysis to extract its substrate proteins from cellular structures or multiprotein complexes...
August 17, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28818625/the-therapeutic-potential-of-crth2-dp2-beyond-allergy-and-asthma
#10
REVIEW
Katharina Jandl, Akos Heinemann
Prostaglandin (PG) D2 has been in the focus of research for quite a long time, but its biological effects and its roles in human disease are still not fully characterized. When in 2001 a second major PGD2 receptor termed chemoattractant receptor homologue expressed on Th2 cells (CRTH2; alternative name DP2) was discovered, diverse investigations started to shed more light on the complex and often controversial actions of the prostaglandin. With various immunomodulating effects, such as induction of migration, activation, and cytokine release of leukocytes observed both in vivo and in vitro, CRTH2 has emerged as a promising target for the treatment of allergic diseases...
August 14, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28818014/cytoreductive-prostatectomy-in-metastatic-prostate-cancer-a-systematic-review
#11
Joachim Aidt Becker, Kasper Drimer Berg, Martin Andreas Røder, Klaus Brasso, Peter Iversen
The impact of cytoreductive radical prostatectomy on oncological outcome in patients with prostate cancer and limited number of bone metastases is unclear. Data from cancer registries, multi-institutional databases and a single institutional case-control study indicate a possible benefit of combined cytoreduction and hormonal therapy compared to hormonal therapy alone. However, the results may be biased by a number of factors. The evidence from studies on cytoreductive prostatectomy is reviewed.
August 18, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28817827/role-of-next-generation-sequencing-as-a-diagnostic-tool-for-the-evaluation-of-bone-and-soft-tissue-tumors
#12
Kinga Szurian, Karl Kashofer, Bernadette Liegl-Atzwanger
Bone and soft-tissue tumors are in general rare. Diagnosing these tumors is challenging based on the significant number of different tumor entities, the rareness of these tumors, and the considerable morphological heterogeneity which can be found within a single tumor entity. Considering that more than half of the described soft-tissue tumors and approximately 25% of the bone tumors harbor recurrent genetic alterations, the use of auxiliary molecular examinations should be strongly considered. Molecular analyses are important to confirm the diagnosis, to guide treatment, to provide information about prognosis, and to allow patient recruitment for basket trials based on the molecular signature of a tumor...
August 18, 2017: Pathobiology: Journal of Immunopathology, Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28817816/exosomes-derived-from-human-bone-marrow-mesenchymal-stem-cells-promote-tumor-growth-through-hedgehog-signaling-pathway
#13
Jin Qi, Yali Zhou, Zuoyi Jiao, Xu Wang, Yang Zhao, Yangbin Li, Huijuan Chen, Luxi Yang, Hongwen Zhu, Yumin Li
BACKGROUND/AIMS: Mesenchymal stem/stromal cells (MSCs) are known to home to sites of tumor microenvironments where they participate in the formation of the tumor microenvironment and to interplay with tumor cells. However, the potential functional effects of MSCs on tumor cell growth are controversial. Here, we, from the view of bone marrow MSC-derived exosomes, study the molecular mechanism of MSCs on the growth of human osteosarcoma and human gastric cancer cells. METHODS: MSCs derived from human bone marrow (hBMSCs) were isolated and cultured in complete DMEM/F12 supplemented with 10% exosome-depleted fetal bovine serum and 1% penicillin-streptomycin, cell culture supernatants containing exosomes were harvested and exosome purification was performed by ultracentrifugation...
August 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28817367/nutrition-implications-for-long-term-survivors-of-pancreatic-cancer-surgery
#14
Maria Q B Petzel, Leah Hoffman
With slowly increasing survival rates in pancreatic cancer and international consensus guidelines recommending surgical resection of premalignant lesions, survival post-pancreatic resection is increasing. With longer survival time, the significant comorbidities of such major surgery have far-reaching effects on the nutrition status of the survivor of pancreatic cancer. This review describes the many nutrition-related side effects of pancreatic surgery, including the development of pancreatic enzyme insufficiency, micronutrient deficiencies, diabetes, fatty liver, and metabolic bone disease...
August 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28817182/centralized-patient-reported-outcome-data-collection-in-transplantation-is-feasible-and-clinically-meaningful
#15
Bronwen E Shaw, Ruta Brazauskas, Heather R Millard, Rachel Fonstad, Kathryn E Flynn, Amy Abernethy, Jenny Vogel, Charney Petroske, Deborah Mattila, Rebecca Drexler, Stephanie J Lee, Mary M Horowitz, J Douglas Rizzo
BACKGROUND: Allogeneic hematopoietic cell transplantation (HCT) cures many patients, but often with the risk of late effects and impaired quality of life. The value of quantifying patient-reported outcomes (PROs) is increasingly being recognized, but the routine collection of PROs is uncommon. This study evaluated the feasibility of prospective PRO collection by an outcome registry at multiple time points from unselected HCT patients undergoing transplantation at centers contributing clinical data to the Center for International Blood and Marrow Transplant Research (CIBMTR), and then it correlated the PRO data with clinical and demographic data...
August 17, 2017: Cancer
https://www.readbyqxmd.com/read/28816829/treatment-outcome-of-metastatic-spine-tumor-in-lung-cancer-patients-did-the-treatments-improve-their-outcomes
#16
Hiroshi Uei, Yasuaki Tokuhashi, Masafumi Maseda
STUDY DESIGN: A retrospective, single-center study. OBJECTIVE: Investigation of the changes in the treatment outcomes of patients with lung cancer-derived metastatic spine tumors SUMMARY OF BACKGROUND DATA.: Metastatic spine tumors derived from lung cancer had been progressive, and their prognosis is poor. It has recently been reported that the use of molecularly targeted drugs and bone-modifying agents (BMA) improved the treatment outcomes of patients with lung cancer, but no detailed information about the treatment of metastatic spine tumors has been reported...
August 14, 2017: Spine
https://www.readbyqxmd.com/read/28816792/development-of-secondary-acute-myeloid-leukemia-in-a-pediatric-patient-concurrently-receiving-primary-therapy-for-ewing-sarcoma
#17
Brandon R McNew, Benjamin W Darbro, Deqin Ma, David J Gordon
Ewing sarcoma is a pediatric bone and soft tissue sarcoma that requires intensive therapy, which can cause secondary malignancies. We present a rare case of early, treatment-related AML in a pediatric patient concurrently receiving primary therapy for Ewing sarcoma. Despite AML-directed therapy, our patient died secondary to complications of hyperleukocytosis. Cytogenetic and mutation profiling of the leukemia cells revealed the DNA-topoisomerase-II-inhibitor-associated t(9;11)(p22;q23) translocation and clonal KRAS and BRAF mutations...
August 14, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28816271/-construction-and-improvement-of-animal-models-with-different-positional-osseous-metastasis-of-prostate-cancer-in-vivo
#18
Y X Bi, M H Xiao, N N Zhang, X Y Li, X P Mao, K Zhang, Z R Zhang, L Y Zhao
OBJECTIVE: To provide an important tool for the study of diagnose and treatment of prostate cancer (PCa) osseous metastasis and change of bone stress force on prostate cancer (PCa) osseous metastasis and a platform, which is more congruous to clinical process, for prevention and cure of neoplastic bone metastases, and to carry out the construction and improvement of animal models of PCa with different positional osseous metastasis in vivo. METHODS: Different gradient concentrations of RM-1 cells were inoculated into the cavity of left femoral bone or lumbar vertebra of mice (C57BL/6) respectively...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816105/thiazolidinedione-drugs-in-the-treatment-of-type-2-diabetes-mellitus-past-present-and-future
#19
Melissa A Davidson, Donald R Mattison, Laurent Azoulay, Daniel Krewski
Thiazolidinedione (TZD) drugs used in the treatment of type 2 diabetes mellitus (T2DM) have proven effective in improving insulin sensitivity, hyperglycemia, and lipid metabolism. Though well tolerated by some patients, their mechanism of action as ligands of peroxisome proliferator-activated receptors (PPARs) results in the activation of several pathways in addition to those responsible for glycemic control and lipid homeostasis. These pathways, which include those related to inflammation, bone formation, and cell proliferation, may lead to adverse health outcomes...
August 17, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28814879/circulating-tumor-cells-correlate-with-patterns-of-recurrence-in-patients-with-hormone-sensitive-prostate-cancer
#20
Giandomenico Roviello, Silvia Paola Corona, Alberto Bonetta, Maria Rosa Cappelletti, Daniele Generali
The aim of this study was to evaluate the correlation between circulating tumor cells (CTCs) and patterns of recurrence in patients with hormone-sensitive prostate cancer. The study involved patients with histologically confirmed, advanced prostatic adenocarcinoma, who were tested for CTCs (Veridex(®)) when they developed recurrence after radical prostatectomy or external beam radiation between 2008 and 2014. Forty-two prostate cancer patients were evaluated. CTCs were detected in 14 out of 42 (33.3%) patients (Group A), while the remaining 28 (66...
2017: OncoTargets and Therapy
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