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lung cancer vitamin D

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https://www.readbyqxmd.com/read/30103527/on-the-nature-of-evidence-and-proving-causality-smoking-and-lung-cancer-vs-sun-exposure-vitamin-d-and-multiple-sclerosis
#1
Robyn M Lucas, Rachael M Rodney Harris
If environmental exposures are shown to cause an adverse health outcome, reducing exposure should reduce the disease risk. Links between exposures and outcomes are typically based on 'associations' derived from observational studies, and causality may not be clear. Randomized controlled trials to 'prove' causality are often not feasible or ethical. Here the history of evidence that tobacco smoking causes lung cancer-from observational studies-is compared to that of low sun exposure and/or low vitamin D status as causal risk factors for the autoimmune disease, multiple sclerosis (MS)...
August 12, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/30100736/delta-tocotrienol-inhibits-non-small-cell-lung-cancer-cell-invasion-via-the-inhibition-of-nf-%C3%AE%C2%BAb-upa-activator-and-mmp-9
#2
Lichchavi D Rajasinghe, Rohini H Pindiprolu, Smiti Vaid Gupta
Background: Delta-tocotrienol (δT), an isomer of vitamin E, exhibits anticancer properties in different cancer types including non-small-cell lung cancer (NSCLC). Yet, anti-invasive effects of δT and its underlying cellular mechanism in NSCLC have not been fully explored. Matrix metalloproteinase 9 (MMP-9)-based cell migration and invasion are critical cellular mechanisms in cancer development. The current evidence indicates that MMP-9 is upregulated in most patients, and the inhibition of MMPs is involved in decreasing invasion and metastasis in NSCLC...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/30073448/circulating-25-hydroxyvitamin-d-up-to-3-decades-prior-to-diagnosis-in-relation-to-overall-and-organ-specific-cancer-survival
#3
Stephanie J Weinstein, Alison M Mondul, Kai Yu, Tracy M Layne, Christian C Abnet, Neal D Freedman, Racheal Z Stolzenberg-Solomon, Unhee Lim, Mitchell H Gail, Demetrius Albanes
While vitamin D has been associated with improved overall cancer survival in some investigations, few have prospectively evaluated organ-specific survival. We examined the accepted biomarker of vitamin D status, serum 25-hydroxyvitamin D [25(OH)D], and cancer survival in the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study. Of 4616 cancer cases with measured serum 25(OH)D, 2884 died of their cancer during 28 years of follow-up and 1732 survived or died of other causes. Proportional hazards regression estimated hazard ratios (HR) and 95% confidence intervals (CI) for the association between pre-diagnostic 25(OH)D and overall and site-specific survival...
August 2, 2018: European Journal of Epidemiology
https://www.readbyqxmd.com/read/30034993/mendelian-randomization-studies-of-cancer-risk-a-literature-review
#4
Brandon L Pierce, Peter Kraft, Chenan Zhang
Purpose of review: In this paper, we summarize prior studies that have used Mendelian Randomization (MR) methods to study the effects of exposures, lifestyle factors, physical traits, and/or biomarkers on cancer risk in humans. Many such risk factors have been associated with cancer risk in observational studies, and the MR approach can be used to provide evidence as to whether these associations represent causal relationships. MR methods require a risk factor of interest to have known genetic determinants that can be used as proxies for the risk factor (i...
June 2018: Current Epidemiology Reports
https://www.readbyqxmd.com/read/30018118/vitamin-d-supplementation-and-survival-of-patients-with-non-small-cell-lung-cancer-a-randomized-double-blind-placebo-controlled-trial
#5
Tadashi Akiba, Toshiaki Morikawa, Makoto Odaka, Takeo Nakada, Noriki Kamiya, Makoto Yamashita, Mitsuo Yabe, Takuya Inagaki, Hisatoshi Asano, Shohei Mori, Yo Tsukamoto, Mitsuyoshi Urashima
Purpose: Higher serum 25-hydroxyvitamin D (25(OH)D) levels are reportedly associated with better survival in early-stage non-small cell lung cancer (NSCLC). Therefore, whether vitamin D supplementation can improve the prognosis of patients with NSCLC was examined (UMIN000001869). Experimental Design: A randomized, double-blind trial comparing vitamin D supplements (1,200 IU/day) with placebo for 1 year after operation was conducted. The primary and secondary outcomes were relapse-free survival (RFS) and overall survival (OS), respectively...
July 17, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29971194/conditions-associated-with-essential-tremor-in-veterans-a-potential-role-for-chronic-stress
#6
Adrian Handforth, Gail A Parker
Background: Increased depression, hearing loss, dementia, alcoholism, and mortality in essential tremor patients remain unexplained. We investigated whether conditions associated with tremor are linked to chronic stress. Methods: The FY2013 Veterans Affairs database was queried for 38 selected dual diagnosis combinations in 5,854,223 veterans aged 21-95 years. Results: Post-traumatic stress disorder, anxiety, and depression were the most common psychiatric diagnoses in tremor patients, with the odds ratio exceeding 2 in all 15-year cohorts...
2018: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/29960043/serum-proteome-mapping-of-egf-transgenic-mice-reveal-mechanistic-biomarkers-of-lung-cancer-precursor-lesions-with-clinical-significance-for-human-adenocarcinomas
#7
Jürgen Borlak, Florian Länger, Bijon Chatterji
Atypical adenomatous hyperplasia (AAH) of the lung is a pre-invasive lesion (PL) with high risk of progression to lung cancer (LC). However, the pathways involved are uncertain. We searched for novel mechanistic biomarkers of AAH in an EGF transgenic disease model of lung cancer. Disease regulated proteins were validated by Western immunoblotting and immunohistochemistry (IHC) of control and morphologically altered respiratory epithelium. Translational work involved clinical resection material. Collectively, 68 unique serum proteins were identified by 2DE-MALDI-TOF mass spectrometry and 13 reached statistical significance (p < 0...
June 28, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29941777/potential-micronutrients-and-phytochemicals-against-the-pathogenesis-of-chronic-obstructive-pulmonary-disease-and-lung-cancer
#8
REVIEW
Ting Zhai, Shizhen Li, Wei Hu, Duo Li, Shuguang Leng
Lung cancer and chronic obstructive pulmonary disease have shared etiology, including key etiological changes (e.g., DNA damage and epigenetics change) and lung function impairment. Focusing on those shared targets may help in the prevention of both. Certain micronutrients (vitamins and minerals) and phytochemicals (carotenoids and phenols) have potent antioxidant or methyl-donating properties and thus have received considerable interest. We reviewed recent papers probing into the potential of nutrients with respect to lung function preservation and prevention of lung cancer risk, and suggest several hypothetical intervention patterns...
June 25, 2018: Nutrients
https://www.readbyqxmd.com/read/29902012/tumor-targeted-nanoparticles-deliver-a-vitamin-d-based-drug-payload-for-the-treatment-of-egfr-tyrosine-kinase-inhibitor-resistant-lung-cancer
#9
Chang Liu, Tatiana Shaurova, Suzanne Shoemaker, Martin Petkovich, Pamela A Hershberger, Yun Wu
Mutation in the tyrosine kinase (TK) domain of the epidermal growth factor receptor ( EGFR) gene drives the development of lung cancer. EGFR tyrosine kinase inhibitors (EGFR TKIs), including erlotinib and afatinib, are initially effective in treating EGFR mutant nonsmall cell lung cancer (NSCLC). However, drug resistance quickly develops due to several mechanisms, including induction of the epithelial-mesenchymal transition (EMT). No effective therapies are currently available for patients who develop EMT-associated EGFR TKI resistance...
June 26, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29843147/roles-and-mechanisms-of-human-cathelicidin-ll-37-in-cancer
#10
Xi Chen, Xianqiong Zou, Guangying Qi, Ying Tang, Yong Guo, Jia Si, Lihua Liang
LL-37, the C-terminal peptide of human cathelicidin antimicrobial peptide (CAMP, hCAP18), reportedly increases resistance to microbial invasion and exerts important physiological functions in chemotaxis, promotion of wound closure, and angiogenesis. Accumulating evidence indicates that LL-37 also plays a significant role in human cancer. LL-37 induces tumorigenic effects in cancers of the ovary, lung, breast, prostate, pancreas, as well as in malignant melanoma and skin squamous cell carcinoma. In contrast, LL-37 displays an anti-cancer effect in colon cancer, gastric cancer, hematologic malignancy and oral squamous cell carcinoma...
May 25, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29748306/serum-25-hydroxyvitamin-d-levels-and-risk-of-lung-cancer-and-histologic-types-a-mendelian-randomisation-analysis-of-the-hunt-study
#11
Yi-Qian Sun, Ben M Brumpton, Carolina Bonilla, Sarah J Lewis, Stephen Burgess, Frank Skorpen, Yue Chen, Tom I L Nilsen, Pål Richard Romundstad, Xiao-Mei Mai
We aimed to investigate potential causal associations between serum 25-hydroxyvitamin D (25(OH)D) levels and incidence of lung cancer overall and histologic types.We performed a Mendelian randomisation analysis using a prospective cohort study in Norway, including 54 580 individuals and 676 incident lung cancer cases. A 25(OH)D allele score was generated based on the vitamin D-increasing alleles rs2282679, rs12785878 and rs10741657. Hazard ratios with 95% confidence intervals for incidence of lung cancer and histologic types were estimated in relation to the allele score...
June 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29726119/inverse-association-of-vitamin-d-3-levels-with-lung-cancer-mediated-by-genetic-variation
#12
Majda Haznadar, Kristopher W Krausz, Ezra Margono, Christopher M Diehl, Elise D Bowman, Soumen Kanti Manna, Ana I Robles, Bríd M Ryan, Frank J Gonzalez, Curtis C Harris
Vitamin D is an essential micronutrient required for normal physiological function and recognized for its role regulating calcium metabolism. Recent work is beginning to emerge demonstrating a role for vitamin D in chronic illnesses, such as cancer. Circulating serum levels of 25(OH)D2/3 were quantitatively measured using sensitive ultraperformance liquid chromatography coupled to tandem mass spectrometry (UPLC-MS/MS) in 406 lung cancer cases and 437 population controls, while 1,25(OH)2 D2/3 levels were measured in a subset of 90 cases and 104 controls using the same method, from the NCI-MD case-control cohort...
June 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29716592/pollution-and-respiratory-disease-can-diet-or-supplements-help-a-review
#13
REVIEW
T Whyand, J R Hurst, M Beckles, M E Caplin
Pollution is known to cause and exacerbate a number of chronic respiratory diseases. The World Health Organisation has placed air pollution as the world's largest environmental health risk factor. There has been recent publicity about the role for diet and anti-oxidants in mitigating the effects of pollution, and this review assesses the evidence for alterations in diet, including vitamin supplementation in abrogating the effects of pollution on asthma and other chronic respiratory diseases. We found evidence to suggest that carotenoids, vitamin D and vitamin E help protect against pollution damage which can trigger asthma, COPD and lung cancer initiation...
May 2, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29617726/no-association-between-circulating-concentrations-of-vitamin-d-and-risk-of-lung-cancer-an-analysis-in-20-prospective-studies-in-the-lung-cancer-cohort-consortium-lc3
#14
D C Muller, A M Hodge, A Fanidi, D Albanes, X M Mai, X O Shu, S J Weinstein, T L Larose, X Zhang, J Han, M J Stampfer, S A Smith-Warner, J Ma, J M Gaziano, H D Sesso, V L Stevens, M L McCullough, T M Layne, R Prentice, M Pettinger, C A Thomson, W Zheng, Y T Gao, N Rothman, Y B Xiang, H Cai, R Wang, J M Yuan, W P Koh, L M Butler, Q Cai, W J Blot, J Wu, P M Ueland, Ø Midttun, A Langhammer, K Hveem, M Johansson, J Hultdin, K Grankvist, A A Arslan, L Le Marchand, G Severi, M Johansson, P Brennan
Background: There is observational evidence suggesting that high vitamin D concentrations may protect against lung cancer. To investigate this hypothesis in detail, we measured circulating vitamin D concentrations in prediagnostic blood from 20 cohorts participating in the Lung Cancer Cohort Consortium (LC3). Patients and methods: The study included 5313 lung cancer cases and 5313 controls. Blood samples for the cases were collected, on average, 5 years before lung cancer diagnosis...
June 1, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29558830/naturopathic-oncology-care-for-thoracic-cancers-a-practice-survey
#15
Dugald Seely, Julie K Ennis, Ellen McDonell, Linlu Zhao
BACKGROUND AND OBJECTIVES: There is a lack of information on therapies recommended by naturopathic doctors (NDs) for lung and gastroesophageal cancer care. Study objectives were to: (1) identify the most common interventions considered for use by NDs; (2) identify interventions NDs recommend to support key therapeutic goals; and (3) identify potential contraindications between integrative and conventional therapies. METHODS: Oncology Association of Naturopathic Physicians (OncANP) members (n = 351) were invited to complete an electronic survey...
March 1, 2018: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/29351198/superoxide-dismutase-mimetic-gc4419-enhances-the-oxidation-of-pharmacological-ascorbate-and-its-anticancer-effects-in-an-h%C3%A2-o%C3%A2-dependent-manner
#16
Collin D Heer, Andrew B Davis, David B Riffe, Brett A Wagner, Kelly C Falls, Bryan G Allen, Garry R Buettner, Robert A Beardsley, Dennis P Riley, Douglas R Spitz
Lung cancer, together with head and neck cancer, accounts for more than one-fourth of cancer deaths worldwide. New, non-toxic therapeutic approaches are needed. High-dose IV vitamin C (aka, pharmacological ascorbate; P-AscH- ) represents a promising adjuvant to radiochemotherapy that exerts its anti-cancer effects via metal-catalyzed oxidation to form H₂O₂. Mn(III)-porphyrins possessing superoxide dismutase (SOD) mimetic activity have been shown to increase the rate of oxidation of AscH- , enhancing the anti-tumor effects of AscH- in several cancer types...
January 19, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29345296/vitamin-d-derivatives-potentiate-the-anticancer-and-anti-angiogenic-activity-of-tyrosine-kinase-inhibitors-in-combination-with-cytostatic-drugs-in-an-a549-non-small-cell-lung-cancer-model
#17
Ewa Maj, Beata Filip-Psurska, Magdalena Milczarek, Mateusz Psurski, Andrzej Kutner, Joanna Wietrzyk
Numerous in vitro and in vivo studies have demonstrated that calcitriol [1,25(OH)2D3] and different vitamin D analogs possess antineoplastic activity, regulating proliferation, differentiation and apoptosis, as well as angiogenesis. Vitamin D compounds have been shown to exert synergistic effects when used in combination with different agents used in anticancer therapies in different cancer models. The aim of this study was to evaluate the mechanisms of the cooperation of the vitamin D compounds [1,24(OH)2D3 (PRI‑2191) and 1,25(OH)2D3] with tyrosine kinase inhibitors (imatinib and sunitinib) together with cytostatics (cisplatin and docetaxel) in an A549 non-small cell lung cancer model...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29315215/association-between-vitamin-d-genetic-risk-score-and-cancer-risk-in-a-large-cohort-of-u-s-women
#18
Paulette D Chandler, Deirdre K Tobias, Lu Wang, Stephanie A Smith-Warner, Daniel I Chasman, Lynda Rose, Edward L Giovannucci, Julie E Buring, Paul M Ridker, Nancy R Cook, JoAnn E Manson, Howard D Sesso
Some observational studies suggest an inverse association between circulating 25-hydroxyvitamin D (25OHD) and cancer incidence and mortality. We conducted a Mendelian randomization analysis of the relationship between a vitamin D genetic risk score (GRS, range 0-10), comprised of five single nucleotide polymorphisms (SNPs) of vitamin D status in the DHCR7, CYP2R1 and GC genes and cancer risk among women. Analysis was performed in the Women's Genome Health Study (WGHS), including 23,294 women of European ancestry who were cancer-free at baseline and followed for 20 years for incident cancer...
January 9, 2018: Nutrients
https://www.readbyqxmd.com/read/29304901/indoor-tanning-a-gianus-bifrons-vitamin-d-and-human-cancer
#19
Giuseppe Lippi, Gianfranco Cervellin, Elisa Danese
Despite it is now undeniable that indoor tanning exposure is associated with a number of skin cancers, its favorable effects on vitamin D status may bear some underestimated and currently unexplored health benefits. Vitamin D is a fat-soluble vitamin naturally present in a limited number of foods, the concentration of which largely depends on ultraviolet (UV) B sources exposure in humans. A strong, graded, and inverse association has been documented between serum vitamin D and the risk of developing certain types of malignancy, especially colorectal, breast, lung, bladder, and kidney cancers...
2018: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/29250167/associations-between-abnormal-vitamin-d-metabolism-pathway-function-and-non-small-cell-lung-cancer
#20
Nan Ge, Xiu-Mei Chu, Yun-Peng Xuan, Dun-Qiang Ren, Yongjie Wang, Kai Ma, Hui-Jiang Gao, Wen-Jie Jiao
Lung cancer is a type of malignant tumor derived from the respiratory system, which is the leading cause of cancer-associated mortality worldwide, of which ~80% of cases are attributable to non-small cell lung cancer (NSCLC). A previous study demonstrated that 1α,25-Dihydroxyvitamin D3 (1α,25(OH)2 D3 ), derived from the vitamin D metabolic pathway contributes an antitumor effect. Aberrant expression of the essential enzyme encoding genes, Cytochrome P450 Family 27 Subfamily A Member 1 ( CYP27A1 ), Cytochrome P450 Family 27 Subfamily B Member 1 ( CYP27B1 ), and Cytochrome P450 Family 24 Subfamily A Member 1 ( CYP24A1 ) may be associated with lung cancer...
December 2017: Oncology Letters
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