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Cancer related infections

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https://www.readbyqxmd.com/read/28102479/peripherally-inserted-central-catheter-related-bloodstream-infection-caused-by-kocuria-marina-in-an-elderly-man
#1
Nobuaki Mori, Yuichi Nishihara, Hideki Tayama, Akiko Higuchi, Yasuko Aoki
BACKGROUND: Kocuria species are Gram-positive, aerobic cocci, and members of the Micrcoccaceae family that are known to be opportunistic pathogens. Although there have been sporadic reports of infections caused by Kocuria species, little is known regarding their human pathogenicity and clinical characteristics. CASE REPORT: We herein report a case of a peripherally inserted central catheter (PICC)-related bloodstream infection caused by Kocuria marina in a 90-year-old Japanese with multiple cancer...
January 19, 2017: Infection
https://www.readbyqxmd.com/read/28099328/clinical-and-prognostic-significance-of-merkel-cell-polyomavirus-in-nonsmall-cell-lung-cancer
#2
Gun-Jik Kim, Jae-Ho Lee, Deok Heon Lee
Recently, an association between Merkel cell polyomavirus (MCPyV) and epidermal growth factor receptor (EGFR) mutations in nonsmall cell lung cancer (NSCLC) was reported. However, the underlying carcinogenic effects and the prognosis related to MCPyV are still unclear. The aim of this study was to clarify the incidence and prognosis related to MCPyV infections in NSCLC.Tissue samples from 167 NSCLC patients (92 with squamous cell carcinomas [SCCs] and 75 with adenocarcinomas) were analyzed for the presence of MCPyV and EGFR mutations...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28095714/disease-related-and-drug-induced-skin-manifestations-in-inflammatory-bowel-disease
#3
Pieter Hindryckx, Gregor Novak, Antonio Costanzo, Silvio Danese
Skin manifestations are common in patients with inflammatory bowel diseases (IBD) and can be part of a concomitant illness with a shared genetic background, an extra-intestinal manifestation of the disease, or a drug side-effect. Areas covered: We provide a practical overview of the epidemiology, pathogenesis, diagnosis, therapeutic approach and prognosis of the most frequent disease-related and drug-induced cutaneous manifestations in IBD, illustrated by cases encountered in our clinical practice. Among the most frequently encountered IBD-related lesions are erythema nodosum, pyoderma gangrenosum and Sweet's syndrome...
January 17, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28095399/evaluation-of-treatment-related-mortality-among-paediatric-cancer-deaths-a-population-based-analysis
#4
Jason D Pole, Paul Gibson, Marie-Chantal Ethier, Tanya Lazor, Donna L Johnston, Carol Portwine, Mariana Silva, Sarah Alexander, Lillian Sung
BACKGROUND: Objectives were to describe the proportion of deaths due to treatment-related mortality (TRM) and to identify risk factors and probable causes of TRM among paediatric cancer deaths in a population-based cohort. METHODS: We included children with cancer ⩽18 years diagnosed and treated in Ontario who died between January 2003 and December 2012. Deaths were identified using a provincial registry, the Pediatric Oncology Group of Ontario Networked Information System...
January 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28095315/cytoplasmic-stress-granules-dynamic-modulators-of-cell-signaling-and-disease
#5
REVIEW
Hicham Mahboubi, Ursula Stochaj
Stress granule (SG) assembly is a conserved cellular strategy to minimize stress-related damage and promote cell survival. Beyond their fundamental role in the stress response, SGs have emerged as key players for human health. As such, SG assembly is associated with cancer, neurodegenerative disorders, ischemia, and virus infections. SGs and granule-related signaling circuits are therefore promising targets to improve therapeutic intervention for several diseases. This is clinically relevant, because pharmacological drugs can affect treatment outcome by modulating SG formation...
January 14, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28094205/legionnaires-disease-at-a-medical-center-in-southern-taiwan
#6
Tzu-Lun Hung, Ming-Chi Li, Li-Rong Wang, Ching-Chuan Liu, Chia-Wen Li, Po-Lin Chen, Ling-Shan Syue, Nan-Yao Lee, Wen-Chien Ko
BACKGROUND/PURPOSE: Legionella pneumophila had been recognized as a pathogen for both healthcare-associated and community-acquired pneumonia. We aimed to evaluate clinical features and outcomes of patients with Legionnaires' disease at a tertiary medical center in southern Taiwan. METHODS: From January 2005 to December 2013, a retrospective study of adult cases of Legionnaires' disease was conducted in a 1200-bed tertiary hospital. Their medical records were reviewed for further evaluation and analysis...
December 18, 2016: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28092946/carcinogenesis-of-the-oral-cavity-environmental-causes-and-potential-prevention-by-black-raspberry
#7
Karam El-Bayoumy, Kun-Ming Chen, Shang-Min Zhang, Yuan-Wan Sun, Shantu Amin, Gary Stoner, Joseph B Guttenplan
Worldwide, cancers of the oral cavity and pharynx comprise the sixth most common malignancies. Histologically, more than 90% of oral cancers are squamous cell carcinoma (SCC). Epidemiologic data strongly support the role of exogenous factors such as tobacco, alcohol, and human papilloma virus infection as major causative agents. Avoidance of risk factors has only been partially successful, and survival rates have not improved despite advances in therapeutic approaches. Therefore, new or improved approaches to prevention and/or early detection are critical...
January 17, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28091700/computed-tomography-localization-of-the-appendix-in-the-pediatric-population-relative-to-the-lumbar-spine
#8
John Davis, Albert T Roh, Matthew B Petterson, Tammy R Kopelman, Samantha L Matz, Daniel G Gridley, Mary J Connell
BACKGROUND: Computed tomography (CT) is commonly used to evaluate suspected acute appendicitis. Although very effective, CT uses ionizing radiation, exposing patients to an increased risk of cancer. OBJECTIVE: This study assessed the potential for decreasing the field of view of the CT (and therefore the dose to the patient) in the evaluation of suspected acute appendicitis in children. MATERIALS AND METHODS: This study was a retrospective review of prospectively collected data from 212 consecutive patients who underwent CT for suspected acute appendicitis...
January 14, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28090504/fortune-of-temporary-ileostomies-in-patients-treated-with-laparoscopic-low-anterior-resection-for-rectal-cancer
#9
Mustafa Haksal, Nuri Okkabaz, Ali Emre Atici, Osman Civil, Yasar Ozdenkaya, Ayhan Erdemir, Nihat Aksakal, Mustafa Oncel
PURPOSE: The current study aims to analyze the risk factors for the failure of ileostomy reversal after laparoscopic low anterior resection for rectal cancer. METHODS: All patients who underwent a laparoscopic low anterior resection for rectal cancer with a diverting ileostomy between 2007 and 2014 were abstracted. The patients who underwent and did not undergo a diverting ileostomy procedure were compared regarding patient, tumor, treatment related parameters, and survival...
January 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28089362/clinical-pharmacokinetics-of-oral-levofloxacin-and-sitafloxacin-in%C3%A2-epididymal-tissue
#10
Takuya Sadahira, Koichiro Wada, Kazuro Ikawa, Norifumi Morikawa, Hiroaki Kurahashi, Takashi Yoshioka, Yuichi Ariyoshi, Yasuyuki Kobayashi, Motoo Araki, Ayano Ishii, Masami Watanabe, Shinya Uehara, Toyohiko Watanabe, Yasutomo Nasu
OBJECTIVES: This study aimed to investigate the penetration of fluoroquinolones into human epididymal tissue. METHODS: The penetration of levofloxacin (LVFX) 500 mg or sitafloxacin (STFX) 100 mg into epididymal tissue was examined. Patients with prostate cancer who were referred for orchiectomy were included. LVFX 500 mg (n = 9) or STFX 100 mg (n = 9) was administered orally 1 h before orchiectomy, and 0.5 g of epididymal tissue and blood samples were collected simultaneously during surgery...
January 11, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28089100/community-onset-clostridium-difficile-infection-at-a-tertiary-medical-center-in-southern-taiwan-2007-2015
#11
Chin-Shiang Tsai, Yuan-Pin Hung, Jen-Chieh Lee, Nan-Yao Lee, Po-Lin Chen, Ling-Shan Syue, Ming-Chi Li, Chia-Wen Li, Wen-Chien Ko
BACKGROUND: Clostridium difficile infection (CDI) is well-known as the major cause of infectious diarrhea in hospitalized patients. Community-onset CDI (CO-CDI) is an emerging threat. However, clinical information of CO-CDI in Taiwan remains scarce. METHODS: A retrospective study was conducted at a medical center in southern Taiwan. Symptomatic patients between 2007 and 2015 with C. difficile toxin or tcdB detected in stool were identified as CDI, and were classified as CO-CDI [including community-associated CDI (CA-CDI) and community-onset health care facility-associated CDI (CO-HCFA-CDI)] and health care facility-onset CDI (HCFO-CDI)...
December 18, 2016: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28081468/role-of-mir-15a-in-intervertebral-disc-degeneration-through-targeting-map3k9
#12
Ping Cai, Ting Yang, Xingjie Jiang, Minghui Zheng, Gang Xu, Jianlong Xia
BACKGROUND: Accumulating evidence indicates that microRNAs are involved in various cellular processes, including cell proliferation, differentiation, apoptosis and metastasis. miR-15a is an important regulator of immune responses and angiogenesis, endogenous controls as well as potential targets and hallmarks of cancer. However, the role of miR-15a in intervertebral disc degeneration (IDD) has not been elucidated. METHODS: Total RNA was extracted from degenerative nucleus pulposus (NP) tissues of 20 patients with IDD and NP cells, respectively...
January 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28078560/knockdown-of-pycr1-inhibits-cell-proliferation-and-colony-formation-via-cell-cycle-arrest-and-apoptosis-in-prostate-cancer
#13
Tengyue Zeng, Libing Zhu, Min Liao, Wenli Zhuo, Shunliang Yang, Weizhen Wu, Dong Wang
Pyrroline-5-carboxylate reductase 1 (PYCR1) is an enzyme involved in cell metabolism, which has been shown to be up-regulated in cancers. However, the functions of PYCR1 in prostate cancers (PCa) are still largely unknown. In the present study, we found that PYCR1 was highly expressed in prostate cancer tissues and then knocked down PYCR1 in PCa cell lines (DU145, PC-3 and LNCap) via lentivirus-mediated gene delivery and analyzed its biological function. Both qRT-PCR and western blotting indicated that PYCR1 was suppressed efficiently after sh-PYCR1 infection...
February 2017: Medical Oncology
https://www.readbyqxmd.com/read/28074746/oncology-s-trojan-horse-using-viruses-to-battle-cancer
#14
Heena J Mavani, Jeannette Y Wick
: In 2016, the American health care system was faced with more than 1.6 million new cases of cancer, and individuals older than 65 years of age will be affected disproportionately. Many older individuals are poor candidates for traditional treatments (e.g., chemotherapy, radiation) because of actual or potential treatment-related adverse events. Researchers continuously look for novel therapeutic strategies, and an exciting new one is on the horizon: virotherapy. Viruses' ability to infect and kill human cells makes them promising cancer treatments...
December 1, 2016: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28072763/epithelial-to-mesenchymal-transition-and-hpv-infection-in-squamous-cell-oropharyngeal-carcinomas-the-papillophar-study
#15
Marine Lefevre, Alexandra Rousseau, Thomas Rayon, Véronique Dalstein, Christine Clavel, Agnès Beby-Defaux, Jean-Luc Pretet, Patrick Soussan, Myriam Polette, Jean Lacau Saint Guily, Philippe Birembaut
BACKGROUND: Human Papillomavirus (HPV) infection is recognised as aetiological factor of carcinogenesis in oropharyngeal squamous cell carcinomas (OPC). HPV-related OPC respond better to treatments and have a significantly favourable outcome. Epithelial to mesenchymal transition (EMT) implicated in tumour invasion, is a hallmark of a poor prognosis in carcinomas. METHODS: We have studied the relationship of EMT markers (E-cadherin, β-catenin and vimentin) with HPV infection (DNA and E6/E7 mRNA detection), p16(INK4a) expression and survival outcomes in a cohort of 296 patients with OPC...
January 10, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28070818/entangling-relation-of-micro-rna-let7-mirna-200-and-mirna-125-with-various-cancers
#16
REVIEW
Nosheen Masood, Azra Yasmin
Involvement of micro RNAs (miRNA) is currently the focus for cancer studies as they effect the post transcriptional expression of different genes. Let-7 family is among the firstly discovered miRNAs that play important role in cell proliferation and dysregulation leading to cell based diseases including cancer. Another family, miRNA-200 prevents transformation of cell to malignant form and tumor formation by interacting with epidermal mesenchymal transition (EMT). Similarly miRNA-125 controls apoptosis and proliferation by affecting multiple genes involved in transcription, immunological defense, resistance against viral and bacterial infections that ultimately leads to cell proliferation, metastasis and finally cancer...
January 9, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28069154/the-assessment-and-management-of-chemotherapy-related-toxicities-in-patients-with-breast-cancer-colorectal-cancer-and-hodgkin-s-and-non-hodgkin-s-lymphomas-a-scoping-review
#17
Patricia Fox, Andrew Darley, Eileen Furlong, Christine Miaskowski, Elisabeth Patiraki, Jo Armes, Emma Ream, Constantina Papadopoulou, Lisa McCann, Nora Kearney, Roma Maguire
PURPOSE: The purpose of the eSMART (Electronic Symptom Management using the Advanced Symptom Management System (ASyMS) Remote Technology) study is to evaluate the use of mobile phone technology to manage chemotherapy-related toxicities (CRTs) in people with breast cancer (BC), colorectal cancer (CRC), Hodgkin's lymphoma (HL), and non-Hodgkin lymphoma (NHL)) across multiple European sites. One key objective was to review the published and grey literature on assessment and management of CRTs among patients receiving primary chemotherapy for BC, CRC, HL, and NHL to ensure that ASyMS remained evidence-based and reflected current and local practice...
February 2017: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
https://www.readbyqxmd.com/read/28065646/-what-the-family-doctor-must-know-about-lung-transplantation-complications-health-promotion-and-outcomes-part-2
#18
L Zurbano, F Zurbano
The lung transplantation is a therapeutic procedure indicated for lung diseases that are terminal and irreversible (except lung cancer) despite the best medical current treatment. It is an emergent procedure in medical care. In this review, an analyse is made of the most frequent complications of lung transplant related to the graft (rejection and chronic graft dysfunction), immunosuppression (infections, arterial hypertension, renal dysfunction, and diabetes), as well as others such as gastrointestinal complications, osteoporosis...
January 5, 2017: Semergen
https://www.readbyqxmd.com/read/28064000/tmbim-mediated-ca-2-homeostasis-and-cell-death
#19
REVIEW
Qun Liu
Ca(2+) is a ubiquitous intracellular messenger that regulates numerous physiological activities in humans, animals, plants, and bacteria. Cytosolic Ca(2+) is kept at a low level, but subcellular organelles such as the endoplasmic reticulum (ER) and Golgi apparatus maintain high-concentration Ca(2+) stores. Under resting conditions, store Ca(2+) homeostasis is dynamically regulated to equilibrate between active Ca(2+) uptake and passive Ca(2+) leak processes. The evolutionarily conserved Transmembrane BAX Inhibitor-1 Motif-containing (TMBIM) proteins mediate Ca(2+) homeostasis and cell death...
January 4, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28059857/risk-for-cancer-among-people-living-with-aids-1997-2012-the-s%C3%A3-o-paulo-aids-cancer-linkage-study
#20
Luana F Tanaka, Maria R D O Latorre, Eliana B Gutierrez, Maria P Curado, Guenter Froeschl, Christian Heumann, Karl-Heinz Herbinger
Previous studies have reported an increased risk for certain types of cancer in the HIV-infected population. The aim of this study was to assess the risk for cancer in people with AIDS (PWA) in comparison with the general population in São Paulo (Brazil), between 1997 and 2012. A population-based registry linkage study was carried out to assess the risk for cancer, using a standardized incidence ratio (SIR) approach. A total of 480 102 person-years, of which 337 941 (70.4%) person-years were men, were included in the analysis...
January 4, 2017: European Journal of Cancer Prevention
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