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https://www.readbyqxmd.com/read/29044578/factors-associated-with-local-recurrence-after-surgery-for-bone-metastasis-to-the-extremities
#1
Chandra Kumar Krishnan, Han-Soo Kim, Ji Yeon Yun, Hwan Seong Cho, Jong Woong Park, Ilkyu Han
BACKGROUND AND OBJECTIVES: With increasing life expectancy of patients with bone metastasis, durable surgical stabilization of bone metastasis is necessary. Local recurrence (LR) can compromise surgical stabilization and necessitate retreatment. We analyzed LR rate and factors associated with LR in patients undergoing surgery for bone metastasis. METHODS: Patients (n = 301) who underwent surgery for bone metastasis to the extremities were reviewed. Possible factors that might be associated with LR were investigated...
October 16, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29044424/new-hope-for-symptom-management-during-natural-and-iatrogenic-menopause-transitions
#2
Teresa K Woodruff, Sundeep Khosla
Bone loss is associated with aging and is exacerbated by female transition to menopause. Estrogen has long been associated with bone loss, and replacement therapy is effective at restoring bone health. In the last 10 years, pituitary and gonadal peptide hormones have been implicated in bone biology, and here we update the story on FSH and its potential role as a direct regulator of bone and adipose. If translated to humans, new approaches to ameliorate age related bone demise could be developed. Moreover, young women with hormone responsive cancers who are unable to maintain bone may have new routes to avoid debilitating bone loss...
August 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29044297/psa-levels-psa-doubling-time-gleason-score-and-prior-therapy-cannot-predict-measured-uptake-of-68-ga-psma-hbed-cc-lesion-uptake-in-recurrent-metastatic-prostate-cancer
#3
Frederik A Verburg, David Pfister, Natascha I Drude, Felix M Mottaghy, Florian Behrendt
AIM: To assess whether clinical prostate cancer (PCA) related factors and therapy status can predict the degree of tracer uptake on [(68)Ga]PSMA-HBED-CC PET/CT. MATERIALS & METHODS: We retrospectively studied 124 patients with recurrent an/or metastatic PCA who underwent [(68)Ga]PSMA-HBED-CC PET/CT. The maximum standardized uptake value (SUVmax) was determined in the prostate bed as well as in three size categories (≤ 5 mm, > 5-15 mm, > 15 mm) in pelvic lymph node, extrapelvic lymph node, bone and visceral metastases...
October 18, 2017: Nuklearmedizin. Nuclear Medicine
https://www.readbyqxmd.com/read/29043431/-99m-tc-hdp-bone-scintigraphy-and-18-f-sodiumfluoride-pet-ct-in-primary-staging-of-patients-with-prostate-cancer
#4
Maurits Wondergem, Friso M van der Zant, Remco J J Knol, Anne Marij G Burgers, Siebe D Bos, Igle J de Jong, Jan Pruim
INTRODUCTION/AIM: Correct staging of patients with prostate cancer is important for treatment planning and prognosis. Although bone scintigraphy with (99m)Tc-phosphonates (BS) is generally advised for staging by guidelines in high risk prostate cancer, this imaging technique is hampered by a high rate of inconclusive results and moderate accuracy. Potentially better imaging techniques for detection of bone metastases such as (18)F-sodiumfluoride PET/CT (NaF PET/CT) are therefore being evaluated...
October 17, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/29040875/biomechanical-regulation-of-drug-sensitivity-in-an-engineered-model-of-human-tumor
#5
A Marturano-Kruik, A Villasante, K Yaeger, S R Ambati, A Chramiec, M T Raimondi, G Vunjak-Novakovic
Predictive testing of anticancer drugs remains a challenge. Bioengineered systems, designed to mimic key aspects of the human tumor microenvironment, are now improving our understanding of cancer biology and facilitating clinical translation. We show that mechanical signals have major effects on cancer drug sensitivity, using a bioengineered model of human bone sarcoma. Ewing sarcoma (ES) cells were studied within a three-dimensional (3D) matrix in a bioreactor providing mechanical loadings. Mimicking bone-like mechanical signals within the 3D model, we rescued the ERK1/2-RUNX2 signaling pathways leading to drug resistance...
October 10, 2017: Biomaterials
https://www.readbyqxmd.com/read/29040431/prevention-of-breast-cancer-induced-osteolytic-bone-resorption-by-benzyl-isothiocyanate
#6
Subrata K Pore, Eun-Ryeong Hahm, Joseph D Latoche, Carolyn J Anderson, Yongli Shuai, Shivendra V Singh
Osteolytic bone resorption is the primary cause of pain and suffering (e.g., pathological bone fracture) in women with metastatic breast cancer. The current standard of care for patients with bone metastasis for reducing the incidence of skeletal complications includes bisphosphonates and a humanized antibody (denosumab). However, a subset of patients on these therapies still develops new bone metastasis or experience adverse effects. Moreover, some bisphosphonates have poor oral bioavailability. Therefore, orally-bioavailable and non-toxic inhibitors of breast cancer-induced osteolytic bone resorption are still clinically desirable...
October 11, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29039785/prospective-comparison-of-f-18-choline-pet-ct-scan-versus-axial-mri-for-detecting-bone-metastasis-in-biochemically-relapsed-prostate-cancer-patients
#7
Wouter Huysse, Frédéric Lecouvet, Paolo Castellucci, Piet Ost, Valerie Lambrecht, Carlos Artigas, Marie-Laurence Denis, Kathia De Man, Louke Delrue, Lennart Jans, Aurélie De Bruycker, Filip De Vos, Gert De Meerleer, Karel Decaestecker, Valerie Fonteyne, Bieke Lambert
We compared fluor-18 choline positron emission tomography/computed tomography (PET/CT) and axial skeleton magnetic resonance imaging (MRI) prospectively obtained for the detection of bone metastases in non-castrated patients with biochemically recurrent prostate cancer following primary treatment. PET/CT was performed 45 min post-injection of 3-4 MBq/kg F-18 methyl choline. MRI included T1- and fluid sensitive T2-weighted images of the spine and pelvis. Readers were initially blinded from other results and all scans underwent independent double reading...
October 17, 2017: Diagnostics
https://www.readbyqxmd.com/read/29039564/evaluation-of-microrna-203-in-bone-metastasis-of-patients-with-non-small-cell-lung-cancer-through-tgf-%C3%AE-smad2-expression
#8
Yucheng Wei, Dongmei Li, Dong Wang, Tong Qiu, Kui Liu
This study investigated the regulatory effect of microRNA-203 on bone metastasis of non-small cell lung cancer (NSCLC). Quantitative real-time PCR was used to examine microRNA-203 in tissue specimens of bone metastasis of patients with NSCLC. In bone metastasis of patients with NSCLC, microRNA-203 expression was decreased, compared with control group. We also surveyed overall survival (OS) and disease-free survival (DFS), microRNA-203 high expression in bone metastasis of patients with NSCLC was higher than in those with microRNA-203 low expression...
September 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29037984/effect-of-maf-amplification-on-treatment-outcomes-with-adjuvant-zoledronic-acid-in-early-breast-cancer-a-secondary-analysis-of-the-international-open-label-randomised-controlled-phase-3-azure-big-01-04-trial
#9
Robert Coleman, Andrew Hall, Joan Albanell, Andrew Hanby, Richard Bell, David Cameron, David Dodwell, Helen Marshall, Joël Jean-Mairet, Juan-Carlos Tercero, Federico Rojo, Walter Gregory, Roger R Gomis
BACKGROUND: Adjuvant use of bisphosphonates can reduce the incidence of bone metastases in early breast cancer. Recurrence and survival seem to be improved only in postmenopausal patients, but the underlying mechanisms remain unclear. We investigated whether MAF amplification (a biomarker for bone metastasis) in primary tumours could predict the treatment outcomes of adjuvant zoledronic acid. METHODS: The study population included patients enrolled in the international, open-label, randomised, controlled, phase 3 AZURE trial at eligible UK sites who had stage II or III breast cancer and who gave consent for use of their primary tumour samples...
October 13, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29036449/resveratrol-attenuates-bone-cancer-pain-through-regulating-the-expression-levels-of-asic3-and-activating-cell-autophagy
#10
Haili Zhu, Jieqiong Ding, J Wu, Tingting Liu, Jing Liang, Qiong Tang, Ming Jiao
Bone cancer pain (BCP) is one of the most common pains in patients with malignant cancers. The mechanism underlying BCP is largely unknown. Our previous studies and the increasing evidence both have shown that acid-sensing ion channels 3 (ASIC3) is an important protein in the pathological pain state in some pain models. We hypothesized that the expression change of ASIC3 might be one of the factors related to BCP. In this study, we established the BCP model through intrathecally injecting rat mammary gland carcinoma cells (MRMT-1) into the left tibia of Sprague-Dawley female rats, and found that the BCP rats showed bone destruction, increased mechanical pain sensitivities and up-regulated ASIC3 protein expression levels in L4-L6 dorsal root ganglion...
October 3, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29036016/exercise-preserves-physical-function-in-prostate-cancer-patients-with-bone-metastases
#11
Daniel A Galvão, Dennis R Taaffe, Nigel Spry, Prue Cormie, David Joseph, Suzanne K Chambers, Raphael Chee, Carolyn Peddle-McIntyre, Nicolas H Hart, Freerk T Baumann, James Denham, Michael Baker, Robert U Newton
PURPOSE: The presence of bone metastases has excluded participation of cancer patients in exercise interventions and is a relative contraindication to supervised exercise in the community setting due to concerns of fragility fracture. We examined the efficacy and safety of a modular multi-modal exercise program in prostate cancer patients with bone metastases. METHODS: Between 2012 and 2015, 57 prostate cancer patients (70.0±8.4 years; BMI 28.7±4.0 kg/m) with bone metastases (pelvis 75...
October 14, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29035995/internal-auditory-canal-tumor-as-an-incidental-finding-on-a-choline-pet-ct-scan-in-a-prostate-cancer-patient
#12
Julia Malamitsi, Roxanni Efthymiadou, Theodore Pipikos, Fani Vlachou, Vassilis Prassopoulos
An 84-year-old man with a history of prostate cancer, treated with radiotherapy, presented with an increase in PSA levels. F-choline PET/CT showed foci of increased choline uptake in L4 and L5 vertebrae, suggestive of bone metastases and another focus in the right cerebellopontine angle. A brain MRI revealed a focus of intense contrast enhancement in the same region, consistent with an acoustic neuroma.
October 13, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29035723/raloxifene-reduces-the-risk-of-local-alveolar-bone-destruction-in-a-mouse-model-of-periodontitis-combined-with-systemic-postmenopausal-osteoporosis
#13
Ryota Ichimaru, Tsukasa Tominari, Shosei Yoshinouchi, Chiho Matsumoto, Kenta Watanabe, Michiko Hirata, Yukihiro Numabe, Gillian Murphy, Hideaki Nagase, Chisato Miyaura, Masaki Inada
OBJECTIVE: Periodontitis is characterized by local inflammation leading to tooth loss and severe destruction of alveolar bone. Raloxifene is a selective estrogen receptor modulator (SERM) that halts estrogen deficiency-induced systemic bone loss in postmenopausal osteoporosis without the side effects of cancer in breast and uterus. In this study, we examined the effects of raloxifene on alveolar bone mass in a mouse model with estrogen deficiency-induced periodontitis. METHODS: Periodontitis was induced by the injection of lipopolysaccharide (LPS) into the lower gingiva in ovariectomized (OVX) mice, and the alveolar bone and femur bone mineral density (BMD) were analyzed by dual-energy X-ray absorptiometry...
September 29, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29035643/role-of-bone-modifying-agents-in-metastatic-breast-cancer-an-american-society-of-clinical-oncology-cancer-care-ontario-focused-guideline-update
#14
Catherine Van Poznak, Mark R Somerfield, William E Barlow, J Sybil Biermann, Linda D Bosserman, Mark J Clemons, Sukhbinder K Dhesy-Thind, Melissa S Dillmon, Andrea Eisen, Elizabeth S Frank, Reshma Jagsi, Rachel Jimenez, Richard L Theriault, Theodore A Vandenberg, Gary C Yee, Beverly Moy
Purpose To update, in collaboration with Cancer Care Ontario (CCO), key recommendations of the American Society of Clinical Oncology (ASCO) guideline on the role of bone-modifying agents (BMAs) in metastatic breast cancer. This focused update addressed the new data on intervals between dosing and the role of BMAs in control of bone pain. Methods A joint ASCO-CCO Update Committee conducted targeted systematic literature reviews to identify relevant studies. Results The Update Committee reviewed three phase III noninferiority trials of dosing intervals, one systematic review and meta-analysis of studies of de-escalation of BMAs, and two randomized trials of BMAs in control of pain secondary to bone metastases...
October 16, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29035617/role-of-bone-modifying-agents-in-metastatic-breast-cancer-an-american-society-of-clinical-oncology-cancer-care-ontario-focused-guideline-update-summary
#15
Catherine Van Poznak, Mark R Somerfield, Beverly Moy
No abstract text is available yet for this article.
October 16, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/29035445/expression-of-leukocytic-syncytin-1-in-b-cell-acute-lymphoblastic-leukemia-and-acute-myeloid-leukemia-patients
#16
Yi Sun, Hongyan Zhu, Jianxin Song, Yaxian Jiang, Hongmei Ouyang, Ting Dong, Rui Tao, Xin Fan, Guiqian Zhang
BACKGROUND: Syncytin-1 is improperly expressed in several cancers. However, its expression profile across leukocytes in leukemia patients has not yet been analyzed. METHODS: A total of 50 AML cases and 14 B-cell ALL patients were consecutively recruited. Bone marrow samples were subjected to flow cytometry. Statistical analysis was applied to compare syncytin-1 expression between B-cell ALL and AML across granulocytes, leukemia cells, and T-lymphocytes (including CD3+, CD4+, and CD8+ subsets thereof) and to correlate syncytin-1 expression to leukemia cells and lymphocytes with the T-cell subset percentages...
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29035398/risks-factors-and-timing-of-genital-human-papillomavirus-hpv-infection-in-female-stem-cell-transplant-survivors-a-longitudinal-study
#17
D Shanis, P Anandi, C Grant, A Bachi, N Vyas, M A Merideth, P A Pophali, E Koklanaris, S Ito, B N Savani, A J Barrett, M Battiwalla, P Stratton
This longitudinal single-center study describes the timing and risk factors for genital human papillomavirus (HPV) disease in women after allogeneic hematopoietic cell transplantation (HCT). Between 1994 and 2014, 109 females underwent HCT of whom 82 surviving transplant for >1 year had regular, comprehensive genital tract assessment and treatment of HPV disease. The cumulative proportions of any genital HPV infection at 1, 3, 5, 10 and 20 years were 4.8%, 14.9%, 28.1%, 36.7% and 40.9%, respectively. Demographic, disease-related factors, chronic GvHD (cGvHD) and its treatment were analyzed for their association with persistent, multifocal or severe genital HPV disease...
October 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29034591/organ-on-a-chip-platforms-a-convergence-of-advanced-materials-cells-and-microscale-technologies
#18
REVIEW
Samad Ahadian, Robert Civitarese, Dawn Bannerman, Mohammad Hossein Mohammadi, Rick Lu, Erika Wang, Locke Davenport-Huyer, Ben Lai, Boyang Zhang, Yimu Zhao, Serena Mandla, Anastasia Korolj, Milica Radisic
Significant advances in biomaterials, stem cell biology, and microscale technologies have enabled the fabrication of biologically relevant tissues and organs. Such tissues and organs, referred to as organ-on-a-chip (OOC) platforms, have emerged as a powerful tool in tissue analysis and disease modeling for biological and pharmacological applications. A variety of biomaterials are used in tissue fabrication providing multiple biological, structural, and mechanical cues in the regulation of cell behavior and tissue morphogenesis...
October 16, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29034587/open-fluidics-a-cell-culture-flow-system-developed-over-wettability-contrast-based-chips
#19
Nuno M Oliveira, Rui L Reis, João F Mano
Biological tissues are recurrently exposed to several dynamic mechanical forces that influence cell behavior. On this work, the focus is on the shear stress forces induced by fluid flow. The study of flow-induced effects on cells leads to important advances in cardiovascular, cancer, stem cell, and bone biology understanding. These studies are performed using cell culture flow (CCF) systems, mainly parallel plate flow chambers (PPFC), and microfluidic systems. Here, it is proposed an original CCF system based on the open fluidics concept...
October 16, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29034173/mycobacteria-bovis-osteomyelitis-following-intravesical-bcg-for-bladder-cancer
#20
Karan Seegobin, Satish Maharaj, Cherisse Baldeo, Carmen Isache, Bharatsinh Gharia, Lara Zuberi
Mycobacteria Bovis osteomyelitis is a rare adverse effect after Bacillus Calmette-Guerin (BCG) intravesical therapy. A 62-year-old male presented with acute spinal cord compression three months after completing his second course of therapy for bladder cancer. The first course with intravesical BCG was complicated with an episode of hematuria. He reported intermittent subjective fever for 3 weeks thereafter which resolved with Tylenol. Interferon-α2 B was added to the second cycle of intravesical BCG with the indication here being residual tumor, and was tolerated well...
2017: IDCases
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