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https://www.readbyqxmd.com/read/28637328/diesel-engine-exhaust-basis-for-occupational-exposure-limit-value
#1
Piia Taxell, Tiina Santonen
Diesel engines are widely used in transport and power supply, making occupational exposure to diesel exhaust common. Both human and animal studies associate exposure to diesel exhaust with inflammatory lung effects, cardiovascular effects, and an increased risk of lung cancer. The International Agency for Research on Cancer (IARC) has evaluated diesel exhaust as carcinogenic to humans. Yet national or regional limit values for controlling occupational exposure to diesel exhaust are rare. In recent decades, stricter emission regulations have led to diesel technologies evolving significantly, resulting in changes in exhaust emissions and composition...
June 15, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28637319/matrix-metalloproteinases-their-functional-role-in-lung-cancer
#2
Neha Merchant, Ganji Purnachandra Nagaraju, Balney Rajitha, Saipriya Lammata, Kishore Kumar Jella, Zachary S Buchwald, Sajani S Lakka, Arif N Ali
Lung malignancy is the foremost cause of cancer-related deaths globally and is frequently related to long-term tobacco smoking. Recent studies reveal that the expression of matrix metalloproteinases (MMPs) is extremely high in lung tumors compared to non-malignant lung tissue. MMPs are zinc-dependent proteases and are involved in the degradation of extracellular matrix (ECM). Several investigations have shown that MMPs manipulate the activity of non-ECM molecules, including cytokines, growth factors and receptors which control the tumor microenvironment...
June 16, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28637314/dna-methylation-signatures-and-coagulation-factors-in-the-peripheral-blood-leucocytes-of-epithelial-ovarian-cancer
#3
Lian Li, Hong Zheng, Yubei Huang, Caiyun Huang, Shuang Zhang, Jing Tian, Pei Li, Anil K Sood, Wei Zhang, Kexin Chen
Solid tumors are increasingly recognized as a systemic disease that is manifested by changes in DNA, RNA, proteins, and metabolites in the blood. Whereas many studies have reported gene mutation events in the circulation, few studies have focused on epigenetic DNA methylation markers. To identify DNA methylation biomarkers in peripheral blood for ovarian cancer, we performed a two-stage epigenome-wide association study. In the discovery stage, we measured genome wide DNA methylation for 485,000 CpG sites in peripheral blood in 24 epithelial ovarian cancer cases and 24 age-matched healthy controls...
June 16, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28637302/re-risk-prediction-for-epithelial-ovarian-cancer-in-11-united-states-based-case-control-studies-incorporation-of-epidemiologic-risk-factors-and-17-confirmed-genetic-loci
#4
(no author information available yet)
No abstract text is available yet for this article.
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28637287/pooled-analysis-of-two-randomized-double-blind-trials-comparing-proposed-biosimilar-la-ep2006-with-reference-pegfilgrastim-in-breast-cancer
#5
K Blackwell, P Gascon, C M Jones, A Nixon, A Krendyukov, R Nakov, Y Li, N Harbeck
NCT01735175, NCT01516736.
June 16, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28637250/use-of-spytag-spycatcher-to-construct-bispecific-antibodies-that-target-two-epitopes-of-a-single-antigen
#6
Kyohei Yumura, Hiroki Akiba, Satoru Nagatoishi, Osamu Kusano-Arai, Hiroko Iwanari, Takao Hamakubo, Kouhei Tsumoto
Bispecific antibody targeting of two different antigens is promising, but when fragment-based antibodies are used, homogeneous production is difficult. To overcome this difficulty, we developed a method using the SpyTag/SpyCatcher system in which a covalent bond is formed between the two polypeptides. Using this method, we constructed a bispecific antibody that simultaneously interacted with two different epitopes of ROBO1, a membrane protein associated with cancer progression. A bispecific tetravalent antibody with an additional functional moiety was also constructed by using a dimeric biotin-binding protein...
June 16, 2017: Journal of Biochemistry
https://www.readbyqxmd.com/read/28637226/epidemiologic-risk-factors-for-in-situ-and-invasive-breast-cancer-among-postmenopausal-women-in-the-nih-aarp-diet-and-health-study
#7
Maeve Mullooly, Zeina G Khodr, Cher M Dallal, Sarah J Nyante, Mark E Sherman, Roni Falk, Linda M Liao, Jeffrey Love, Louise A Brinton, Gretchen L Gierach
Comparing risk factor associations between invasive breast cancers and possible precursors may further understanding of factors related to initiation versus progression. Accordingly, among 190,325 postmenopausal participants in the National Institutes of Health-AARP Diet and Health Study (1995-2011), we compared risk factor associations between incident ductal carcinoma in situ (DCIS: n = 1,453) and invasive ductal carcinomas (n = 7,525) and lobular carcinoma in situ (LCIS: n = 186) and invasive lobular carcinomas (n = 1,191)...
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28637221/digital-direct-detection-of-micrornas-using-single-molecule-arrays
#8
Limor Cohen, Mark R Hartman, Aaron Amardey-Wellington, David R Walt
MicroRNAs (miRNAs) are involved in many biological pathways, and detecting miRNAs accurately is critical for diagnosing a variety of diseases including cancer. However, most current methods for miRNA detection require lengthy sample preparation and amplification steps that can bias the results. In addition, lack of specificity and reproducibility give rise to various challenges in detection of circulating miRNAs in biological samples. In this work, we applied the Single Molecule Array (Simoa) technique to develop an ultra-sensitive sandwich assay for direct detection of multiple miRNAs without pre-amplification...
June 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28637194/high-iron-supply-inhibits-the-synthesis-of-the-genotoxin-colibactin-by-pathogenic-escherichia-coli-through-a-non-canonical-fur-ryhb-mediated-pathway
#9
Sophie Tronnet, Christophe Garcie, Alexander O Brachmann, Jörn Piel, Eric Oswald, Patricia Martin
The genotoxin colibactin is a secondary metabolite produced by a variety of pathogenic Enterobacteria, and is associated with colon cancer development and acute systemic infections. The colibactin biosynthesis requires the enzymatic activity of the phosphopantetheinyl transferase ClbA. We recently evidenced that two master regulators of bacterial iron homeostasis, i.e. the ferric uptake regulator (Fur) and the small regulatory non-coding RNA RyhB, were involved in the regulation of the clbA transcription and of the colibactin production...
June 20, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28637169/novel-molecules-lncrnas-trfs-and-circrnas-deciphered-from-next-generation-sequencing-rna-sequencing-computational-databases-and-tools
#10
A Saleembhasha, Seema Mishra
Powerful next-generation sequencing (NGS) technologies, more specifically RNA sequencing (RNA-seq), have been pivotal toward the detection and analysis and hypotheses generation of novel biomolecules, long noncoding RNAs (lncRNAs), tRNA-derived fragments (tRFs) and circular RNAs (circRNAs). Experimental validation of the occurrence of these biomolecules inside the cell has been reported. Their differential expression and functionally important role in several cancers types as well as other diseases such as Alzheimer's and cardiovascular diseases have garnered interest toward further studies in this research arena...
June 20, 2017: Briefings in Functional Genomics
https://www.readbyqxmd.com/read/28637151/work-related-experiences-of-head-and-neck-cancer-survivors-an-exploratory-and-descriptive-qualitative-study
#11
Carolyn S Dewa, Lucy Trojanowski, Sietske J Tamminga, Jolie Ringash, Maurene McQuestion, Jeffrey S Hoch
PURPOSE: This exploratory and descriptive study contributes to the growing knowledge about the return-to-work (RTW) experience of head and neck cancer (HNC) survivors. Viewing RTW as a process, participants were asked to consider the work-related experience with HNC at different phases: (1) at diagnosis/pre-treatment, (2) working during treatment (if the respondent did not take a work disability leave), and (3) post-treatment/RTW (if the respondent took a work disability leave). METHODS: Data were gathered in nine individual semi-structured in-depth interviews with patients receiving treatment at a quaternary cancer center's HNC clinic in Ontario, Canada...
February 25, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637134/an-exploratory-qualitative-study-of-the-meaning-and-value-of-a-running-walking-program-for-women-after-a-diagnosis-of-breast-cancer
#12
Jennifer Brunet, Stephanie Saunders, Wendy Gifford, Roanne Thomas, Ryan Hamilton
PURPOSE: To generate insights into the personal meaning and value of a running/walking program for women after a diagnosis of breast cancer. METHODS: After completing a 12-week running/walking program with a 5-km training goal, eight women were interviewed and seven participated in a focus group. The interviews and focus group were audio-recorded and transcribed verbatim. Data were thematically analyzed. RESULTS: Data portrayed the personal benefits and value of the clinic...
February 10, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637107/malignant-melanoma-of-the-anus-found-during-routine-colonoscopy-in-ulcerative-colitis
#13
Kwang Il Seo, Won Moon, Sung Eun Kim, Moo In Park, Seun Ja Park
Inflammatory bowel disease (IBD) is characterized by recurrent or chronic inflammation of the gastrointestinal tract, which results in increased risk of developing cancer. Anorectal malignant melanoma is often misdiagnosed as either hemorrhoids or benign anorectal conditions in inflammatory bowel disease. Therefore, the overall prognosis and survival of IBD are poor. To date, the best treatment strategy remains controversial. Only early diagnosis and complete excision yield survival benefit. Here, we report a 64-year-old woman with ulcerative colitis, who was found to have anal malignant melanoma on routine colonoscopy...
June 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28637083/changes-in-spiritual-well-being-and-psychological-outcomes-in-ovarian-cancer-survivors
#14
Lauren Z Davis, Michaela Cuneo, Premal H Thaker, Michael J Goodheart, David Bender, Susan Lutgendorf
OBJECTIVE: Because of the poor prognosis of ovarian cancer and concomitant distress, understanding contributors to positive well-being is critical. This study examines spiritual growth as a domain of posttraumatic growth and its contribution to longitudinal emotional outcomes in ovarian cancer. METHODS: Ovarian cancer patients (N=241) completed measures assessing spirituality (FACIT-SP-12; subscales: faith, meaning, and peace), depression (CESD), cancer-specific anxiety (IES), and total mood disturbance (TMD: POMS) prior to surgery and one-year post-surgery...
June 21, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28637082/positive-aspects-of-having-had-cancer-a-mixed-methods-analysis-of-responses-from-the-american-cancer-society-survivors-of-cancer-ii-studies
#15
Gail Adorno, Ellen Lopez, Mary Ann Burg, Victoria Loerzel, Michael Killian, Amy B Dailey, Joanne D Iennaco, Cara Wallace, Dinghy Kristine B Sharma, Kevin Stein
PURPOSE: This study focused on understanding positive aspects of cancer amongst a large, national sample of survivors, two, five, and ten years' post-cancer diagnosis, who responded to the American Cancer Society Survivors of Cancer-II survey question "Please tell us about any positive aspects of having cancer." METHODS: A sequential mixed methods approach examined 1) thematic categories of positive aspects from cancer survivors (n = 5149) and 2) variation in themes by sociodemographics, cancer type, stage of disease, and length of survivorship...
June 21, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28637075/-vitamins-and-minerals-in-oncology
#16
Julian Walter Holch, Marlies Michl, Volker Heinemann, Nicole Erickson
The use of vitamins and minerals to prevent cancer as well as their supportive use in oncological patients is widespread and often occurs without the knowledge of the treating physician. Beyond general recommendations with regard to a balanced and healthy diet, no evidence exists supporting the use of vitamins and minerals in the prevention of cancer. Furthermore, the diet of oncological patients should contain vitamins and minerals of the same quantity as for healthy individuals. In particular, there is currently no rationale for a high-dosage administration of antioxidants...
June 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28637074/-nutrition-in-cancer-effective-in-prevention-and-treatment
#17
Jann Arends
Nutritional effects on cancer occurrence and on treatment outcome in cancer patients may depend on food preferences and on the quantity of foods supplied. However, it has been difficult to reliably show beneficial effects of specific dietary concepts on cancer incidence. On the other hand, obesity as a result of chronic overfeeding has been linked firmly to an increased risk of a number of cancers as well as on cancer recurrence after treatment. Metabolic consequences of obesity and other components of the metabolic syndrome may be responsible for inducing and/or promoting cancer growth and should be antagonized by regular moderate physical activity in healthy subjects and in cancer survivors...
June 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28637073/-complementary-and-alternative-medicine-in-oncology-what%C3%A2-makes-sense
#18
Axel Eustachi, Dieter Melchart
The basis of any complementary therapy should be the recommendation of a healthy lifestyle (diet, nutrition, exercise, stress-reduction), and appropriate self-help techniques (e. g. thermotherapy, herbal OTC-products) aimed at releasing the patients' most debilitating symptoms. For therapy-resistant or strong symptoms, more invasive interventions or medical treatments with an acceptable evidence base can be used (e. g. acupuncture for cancer pain, herbal prescriptions). The effects of any complementary intervention should be controlled for a period of six weeks after its administration...
June 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28637072/-how-to-classify-and-evaluate-complementary-and-alternative-medicines-in-oncology
#19
Anke Ernst, Stefanie Klein
There are a vast number of complementary and alternative medicines (CAM) in oncology. Also patients' needs for information on these methods are growing. Helping patients to classify and evaluate CAM methods is a challenge. The Cancer Information Service at the German Cancer Research Center has developed a benefit-risk-assessment based on evidence-based medicine and individual patient traits: To rate a CAM's benefit, the scientific evidence and the patient's therapeutic goals have to be taken into account. To estimate its risks, both, the method itself and the patient's status of health must be considered...
June 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28637070/-complementary-therapies-for-cancer
#20
Wolfgang Hiddemann
No abstract text is available yet for this article.
June 2017: Deutsche Medizinische Wochenschrift
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