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https://www.readbyqxmd.com/read/28101344/evaluation-of-pharmacological-relaxation-effect-of-the-natural-product-naringin-on-in-vitro-cultured-airway-smooth-muscle-cells-and-in-vivo-ovalbumin-induced-asthma-balb-c-mice
#1
Yue Wang, Yun Lu, Mingzhi Luo, Xiaohao Shi, Yan Pan, Huilong Zeng, Linhong Deng
Asthma has become a common chronic respiratory disease worldwide and its prevalence is predicted to continue increasing in the next decade, particularly in developing countries. A key component in asthma therapy is to alleviate the excessive bronchial airway narrowing ultimately due to airway smooth muscle contraction, which is often facilitated by a smooth muscle relaxant, such as the β2-adrenergic agonists. Recently, bitter taste receptor (TAS2R) agonists, including saccharin and chloroquine, have been found to potently relax the airway smooth muscle cells (ASMCs) via intracellular Ca(2+) signaling...
December 2016: Biomedical Reports
https://www.readbyqxmd.com/read/28096645/peri-and-post-menopausal-women-with-complex-adnexal-masses-ascites-and-raised-ca-125-is-it-ovarian-cancer-or-tuberculosis
#2
Rashmi Bagga, Tanuja Muthyala, Subhas Chandra Saha, Shalini Gainder, Pradip Kumar Saha, Radhika Srinivasan, Arvind Rajwanshi, Nalini Gupta
Pelvic and peritoneal tuberculosis may resemble advanced ovarian cancer due to the presence of ascites, complex adnexal masses, peritoneal deposits and raised CA-125 level, especially in peri- and postmenopausal women. Other common features among women with these two conditions are abdominal pain and distension, weight loss and reduced appetite. As the treatment of pelvic-peritoneal tuberculosis is completely different from that of ovarian cancer, it is important to reach a correct diagnosis. Sometimes women with pelvic-peritoneal tuberculosis may be subjected to a laparotomy for suspected ovarian cancer which is likely to increase their morbidity...
October 2016: Journal of Mid-life Health
https://www.readbyqxmd.com/read/28088025/residues-of-2-hydroxy-3-phenylpyrazine-a-degradation-product-of-some-%C3%AE-lactam-antibiotics-in-environmental-water-in-vietnam
#3
Nguyen Van Sy, Kazuo Harada, Megumi Asayama, Minae Warisaya, Le Hong Dung, Yoshinori Sumimura, Khong Thi Diep, Le Viet Ha, Nguyen Nam Thang, Tran Thi Tuyet Hoa, Tran Minh Phu, Pham Ngoc Khai, Nguyen Thanh Phuong, Le Danh Tuyen, Yoshimasa Yamamoto, Kazumasa Hirata
Antibiotic-resistant bacteria have become a serious problem worldwide, caused in part by the excessive use and discharge of antibiotics into the environment. Ampicillin (ABPC) is a widely used antibiotic. However, this chemical rapidly decomposes in water containing divalent cations like Ca(2+) and Mg(2+), thus, detection of ABPC in environmental water is difficult. This study was carried out to evaluate the presence of 2-hydroxy-3-phenylpyrazine (HPP), one of the degradation products of ABPC and β-lactam antibiotics with an ABPC substructure, in environmental water...
January 2, 2017: Chemosphere
https://www.readbyqxmd.com/read/28087476/phospholipase-d-mrna-expression-and-clinical-role-in-high-grade-serous-carcinoma
#4
Keren Harel-Dassa, Saul Yedgar, Claes G Tropé, Ben Davidson, Reuven Reich
This objective of this study was to analyze the expression and clinical role of phospholipase D (PLD) in high-grade serous carcinoma (HGSC). PLD1 and PLD2 isoform expression was studied in 125 HGSC specimens (73 effusions, 28 ovarian tumors, 24 solid metastases) using quantitative real-time reverse-transcription polymerase chain reaction (qRT-PCR). Expression levels were analyzed for association with clinicopathologic parameters, including chemoresponse, and survival. PLD1 and PLD2 isoforms were found in the majority of specimens at all anatomic sites and their levels were strongly positively related (P<...
January 10, 2017: Human Pathology
https://www.readbyqxmd.com/read/28086838/clinical-characteristics-of-genital-chlamydia-infection-in-pelvic-inflammatory-disease
#5
Sung Taek Park, Suk Woo Lee, Min Jeong Kim, Young Mo Kang, Hye Min Moon, Chae Chun Rhim
BACKGROUND: Chlamydia infection in acute pelvic inflammatory disease (PID) is associated with serious complications including ectopic pregnancy, tubal infertility, Fitz-Hugh-Curtis syndrome and tubo-ovarian abscess (TOA). This study compared clinical and laboratory data between PID with and without chlamydia infection. METHODS: The medical records of 497 women who were admitted with PID between 2002 and 2011 were reviewed. The patients were divided into two groups (PID with and without chlamydia infection), which were compared in terms of the patients' characteristics, clinical presentation, and laboratory findings, including inflammatory markers...
January 13, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28069370/surface-coating-changes-the-physiological-and-biochemical-impacts-of-nano-tio2-in-basil-ocimum-basilicum-plants
#6
Wenjuan Tan, Wenchao Du, Ana C Barrios, Raul Armendariz, Nubia Zuverza-Mena, Zhaoxia Ji, Chong Hyun Chang, Jeffrey I Zink, Jose A Hernandez-Viezcas, Jose R Peralta-Videa, Jorge L Gardea-Torresdey
Little is known about the effects of surface coating on the interaction of engineered nanoparticles (ENPs) with plants. In this study, basil (Ocimum basilicum) was cultivated for 65 days in soil amended with unmodified, hydrophobic (coated with aluminum oxide and dimethicone), and hydrophilic (coated with aluminum oxide and glycerol) titanium dioxide nanoparticles (nano-TiO2) at 125, 250, 500, and 750 mg nano-TiO2 kg(-1) soil. ICP-OES/MS, SPAD meter, and UV/Vis spectrometry were used to determine Ti and essential elements in tissues, relative chlorophyll content, carbohydrates, and antioxidant response, respectively...
January 6, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28067948/preoperative-assessment-of-lymph-node-metastasis-in-endometrial-cancer-a-korean-gynecologic-oncology-group-study
#7
Sokbom Kang, Joo-Hyun Nam, Duk-Soo Bae, Jae-Weon Kim, Moon-Hong Kim, Xiaojun Chen, Jae-Hong No, Jong-Min Lee, Jae-Hoon Kim, Hidemich Watari, Seok Mo Kim, Sung Hoon Kim, Seok Ju Seong, Ki Tae Kim, Seung Cheol Kim, Jong-Hyeok Kim, Myung-Cheol Lim, Jung-Yun Lee, Sang-Young Ryu, Bingyi Yang, Byoung-Gie Kim
BACKGROUND: Previously proposed criteria for preoperatively identifying endometrial cancer patients at low risk for lymph node metastasis remain to be verified. For this purpose, a prospective, multicenter observational study was performed. METHODS: Eligible patients with histologically confirmed endometrial cancer underwent magnetic resonance imaging (MRI) and serum cancer antigen 125 (CA 125) testing before surgery. The following criteria were used to identify low-risk patients: 1) endometrioid-type cancer, 2) no evidence of deep myometrial invasion on MRI, 3) no enlarged lymph nodes on MRI, 4) no suspicious metastasis out of the uterine corpus, and 5) serum CA 125 levels less than 35 U/mL...
January 1, 2017: Cancer
https://www.readbyqxmd.com/read/28050796/anastomosing-hemangioma-of-the-ovary-a-clinicopathological-study-of-six-cases-with-stromal-luteinization
#8
Pavel Dundr, Kristýna Němejcová, Jan Laco, Helena Skálová, Lenka Bauerová, Radoslav Matěj, Daniela Fischerová
We report six cases of anastomosing hemangioma of the ovary. All lesions were unilateral and arose in 43 to 81 year old females. In all but one patient, the tumor was asymptomatic and represented incidental finding. The exception was a tumor associated with massive ascites and elevated CA 125. The tumors were, on cut section, spongy and dark violet in color. The size of tumors ranged from 0.5 to 3.5 cm. All lesions showed the same histological features and consisted of capillary sized anastomosing vessels with sinusoid-like pattern intermingled with sporadic medium sized vessels...
January 3, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28050721/titanium-dioxide-nanoparticles-an-in-vitro-study-of-dna-binding-chromosome-aberration-assay-and-comet-assay
#9
Suhani Patel, Palak Patel, Sonal R Bakshi
Engineered titanium dioxide nanoparticles (TiO2 NPs) are extensively used in cosmetic, pharmaceutical and other industries globally due to their unique properties, which has raised concern for biosafety. Genotoxicity assessment is an important part of biosafety evaluation; we report in vitro cytogenetic assays for NPs considering their unique physicochemical characteristics to fill the gap of laboratory data regarding biological safety along with mechanistic study for mode of interaction of NP with genetic material...
January 3, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28047428/su-f-t-48-clinical-implementation-of-brachytherapy-planning-system-for-coms-eye-plaques
#10
C Ferreira, M Islam, S Ahmad, T De La Fuente Herman
PURPOSE: To commission the Brachytherapy Planning (BP) system (Varian, Palo Alto, CA) for the Collaborative Ocular Melanoma Study (COMS) eye plaques by evaluating dose differences against original plans from Nucletron Planning System (NPS). METHODS: NPS system is the primary planning software for COMS-plaques at our facility; however, Brachytherapy Planning 11.0.47 (Varian Medical Systems) is used for secondary check and for seed placement configurations not originally commissioned...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28025649/biochemical-characterization-thermal-stability-and-partial-sequence-of-a-novel-exo-polygalacturonase-from-the-thermophilic-fungus-rhizomucor-pusillus-a13-36-obtained-by-submerged-cultivation
#11
Lucas Vinícius Trindade, Carla Desagiacomo, Maria de Lourdes Teixeira de Moraes Polizeli, André Ricardo de Lima Damasio, Aline Margarete Furuyama Lima, Eleni Gomes, Gustavo Orlando Bonilla-Rodriguez
This work reports the production of an exo-polygalacturonase (exo-PG) by Rhizomucor pusillus A13.36 in submerged cultivation (SmC) in a shaker at 45°C for 96 h. A single pectinase was found and purified in order to analyze its thermal stability, by salt precipitation and hydrophobic interaction chromatography. The pectinase has an estimated Mw of approximately 43.5-47 kDa and optimum pH of 4.0 but is stable in pH ranging from 3.5 to 9.5 and has an optimum temperature of 61°C. It presents thermal stability between 30 and 60°C, has 70% activation in the presence of Ca(2+), and was tested using citrus pectin with a degree of methyl esterification (DE) of 26%...
2016: BioMed Research International
https://www.readbyqxmd.com/read/28008424/correlation-of-ca-125-serum-level-and-clinico-pathological-characteristic-of-patients-with-endometriosis
#12
Mojgan Karimi-Zarchi, Najmeh Dehshiri-Zadeh, Leili Sekhavat, Fahime Nosouhi
BACKGROUND: Cancer antigen 125 (CA-125) is a glycoprotein biomarker that is used in women with pelvic masses such as endometriosis and maybe is useful in practice of patients suspicious to endometriosis. OBJECTIVE: The aim of this study was to evaluate the association between preoperative serum CA-125 levels and clinic pathological characteristic in women with endometriosis, and find out the best serum CA-125 levels cut-off in pre and post menopause women. MATERIALS AND METHODS: Serum CA-125 levels in 87 women aged 21-54 years suspected to endometriosis with pelvic pain, dysmenorrhea, or dyspareunia were measured preoperatively...
November 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28006994/the-role-of-human-epididymis-secretory-protein-e4-in-patients-with-endometrial-cancer-and-premalignant-endometrial-lesions
#13
Setenay Arzu Yılmaz, Sündüz Özlem Altınkaya, Özlem Seçilmiş Kerimoglu, Aybike Tazegül Pekin, Fikret Akyürek, Tolgay Tuyan Ilhan, Nilgün Benzer, Ali Unlu, Hasan Yuksel, Cetin Celik
We evaluated the concentrations of human epididymis secretory protein E4 (HE4) and Ca-125 in relation to clinicopathologic features in patients with endometrial cancer and premalignant endometrial lesions. Women with abnormal uterine bleeding (n = 167) who underwent endometrial sampling were divided into four groups. Group 1: endometrial cancer (n = 68), group 2: atypical endometrial hyperplasia (n = 12), group 3: endometrial hyperplasia without atypia (n = 39) and group 4: controls (n = 48)...
December 22, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28003762/biomarkers-in-pancreatic-adenocarcinoma-current-perspectives
#14
REVIEW
Douglas S Swords, Matthew A Firpo, Courtney L Scaife, Sean J Mulvihill
Pancreatic ductal adenocarcinoma (PDAC) has a poor prognosis, with a 5-year survival rate of 7.7%. Most patients are diagnosed at an advanced stage not amenable to potentially curative resection. A substantial portion of this review is dedicated to reviewing the current literature on carbohydrate antigen (CA 19-9), which is currently the only guideline-recommended biomarker for PDAC. It provides valuable prognostic information, can predict resectability, and is useful in decision making about neoadjuvant therapy...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27997533/exploratory-analysis-of-tp53-mutations-in-circulating-tumour-dna-as-biomarkers-of-treatment-response-for-patients-with-relapsed-high-grade-serous-ovarian-carcinoma-a-retrospective-study
#15
Christine A Parkinson, Davina Gale, Anna M Piskorz, Heather Biggs, Charlotte Hodgkin, Helen Addley, Sue Freeman, Penelope Moyle, Evis Sala, Karen Sayal, Karen Hosking, Ioannis Gounaris, Mercedes Jimenez-Linan, Helena M Earl, Wendi Qian, Nitzan Rosenfeld, James D Brenton
BACKGROUND: Circulating tumour DNA (ctDNA) carrying tumour-specific sequence alterations may provide a minimally invasive means to dynamically assess tumour burden and response to treatment in cancer patients. Somatic TP53 mutations are a defining feature of high-grade serous ovarian carcinoma (HGSOC). We tested whether these mutations could be used as personalised markers to monitor tumour burden and early changes as a predictor of response and time to progression (TTP). METHODS AND FINDINGS: We performed a retrospective analysis of serial plasma samples collected during routine clinical visits from 40 patients with HGSOC undergoing heterogeneous standard of care treatment...
December 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27996347/oxcarbazepine-induced-cytotoxicity-and-genotoxicity-in-human-lymphocyte-cultures-with-or-without-metabolic-activation
#16
Zülal Atlı Şekeroğlu, Haluk Kefelioğlu, Seval Kontaş Yedier, Vedat Şekeroğlu, Berrin Delmecioğlu
There has been considerable debate about the relationship between epilepsy and cancer. Oxcarbazepine (OXC) is used for treating certain types of seizures in patients with epilepsy. There have been no detailed investigations about genotoxicity of OXC and its metabolites. Therefore, the aim of this study is to investigate the cytotoxic and genotoxic effects of OXC and its metabolites on cultured human lymphocytes. The cytotoxicity and genotoxicity of OXC on human peripheral blood lymphocytes were examined in vitro by sister chromatid exchange (SCE), chromosomal aberration (CA), and micronucleus (MN) tests...
December 20, 2016: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/27995729/is-serum-level-of-nestin-useful-in-detecting-epithelial-ovarian-cancer
#17
Veysel Sal, Ilker Kahramanoglu, Tugan Bese, Fuat Demirkiran, Nigar Sofiyeva, Zeynep Soyman, Sinem Durmus, Remisa Gelisgen, Macit Arvas, Hafize Uzun
AIM: The aim of the present study was to evaluate the usefulness of nestin as a discriminative marker between benign and malignant ovarian tumors. METHODS: During the 1 year from January 2015 through December 2015, a nonconsecutive series of 80 patients (40 malignant, 40 benign) who underwent surgery for an adnexal mass were enrolled in the study. Intraoperative frozen section evaluation was performed if there was a suspicion in diagnosis. Statistical analyses were performed using spss ver...
December 19, 2016: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27994689/random-assay-in-radioimmunoassay-feasibility-and-application-compared-with-batch-assay
#18
Jung Min Lee, Hwan Hee Lee, Sohyun Park, Tae Sung Kim, Seok-Ki Kim
PURPOSE: The batch assay has been conventionally used for radioimmunoassay (RIA) because of its technical robustness and practical convenience. However, it has limitations in terms of the relative lag of report time due to the necessity of multiple assays in a small number of samples compared with the random assay technique. In this study, we aimed to verify whether the random assay technique can be applied in RIA and is feasible in daily practice. METHODS: The coefficients of variation (CVs) of eight standard curves within a single kit were calculated in a CA-125 immunoradiometric assay (IRMA) for the reference of the practically ideal CV of the CA-125 kit...
December 2016: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27987404/diagnostic-accuracy-of-cancer-antigen-125-ca125-for-endometriosis-in-symptomatic-women-a-multi-center-study
#19
Martin Hirsch, James M N Duffy, Christine S Deguara, Colin J Davis, Khalid S Khan
STUDY OBJECTIVE: To assess the diagnostic accuracy of serum Cancer Antigen 125 (CA 125)≥30units/milliliter (u/ml) for diagnosing endometriosis in symptomatic women. STUDY DESIGN: Prospective observational cohort study including patients with symptoms of pelvic pain or subfertility undergoing elective diagnostic laparoscopy at two tertiary referral hospitals. We excluded patients suspected to have other gynecological pathology. We evaluated the accuracy of serum CA 125 (index test) with histologically confirmed endometriosis (reference standard)...
December 5, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27986748/clinical-use-of-programmed-cell-death-1-pd-1-and-its-ligand-pd-l1-expression-as-discriminatory-and-predictive-markers-in-ovarian-cancer
#20
Jayanta Chatterjee, Wei Dai, Nor Haslinda Abd Aziz, Pei Yun Teo, John Wahba, David L Phelps, Christian J Maine, Lynsey Whilding, Roberto Dina, Giorgia Trevisan, Kirsty Flower, Andrew Jt George, Sadaf Ghaem-Maghami
Purpose We aimed to establish whether PD-1 and PD-L1 expression, in ovarian cancer (OC) tumour tissue and blood, could be used as biomarkers for discrimination of tumour histology and prognosis of OC. Experimental Design Immune cells were separated from blood, ascites and tumour tissue obtained from women with suspected OC and studied for the differential expression of possible immune biomarkers using flow cytometry. PD-L1 expression on tumour associated inflammatory cells was assessed by immunohistochemistry and tissue microarray...
December 16, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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