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https://www.readbyqxmd.com/read/28638864/protective-effect-of-vanillic-acid-on-ovariectomy-induced-osteoporosis-in-rats
#1
Yong Gui Wang, Liang Bo Jiang, Bo Gou
BACKGROUND: The need for an anti-osteoporotic agent is in high demand since osteoporosis contributes to high rates of disability or impairment (high osteoporotic fracture), morbidity and mortality. Hence, the present study is designed to evaluate the protective effects of vanillic acid (VA) against bilateral ovariectomy-induced osteoporosis in female Sprague-Dawley (SD) rats. MATERIALS AND METHODS: Forty healthy female adult SD rats were separated in to four groups with sham-operated control with bilateral laprotomy (Sham; n = 10), bilateral overiectomy (OVX; n = 10) group, OVX rats were orallay administrated with 50 mg/kg b...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28628374/effects-of-a-multispecies-probiotic-supplement-on-bone-health-in-osteopenic-postmenopausal-women-a-randomized-double-blind-controlled-trial
#2
Sadegh Jafarnejad, Kurosh Djafarian, Mohammad Reza Fazeli, Mir Saeed Yekaninejad, Abdolrahman Rostamian, Seyed Ali Keshavarz
OBJECTIVE: The development of alternative approaches to prevent and/or treat osteoporosis, as a chronic progressive bone disease, is being considered currently. Among dietary supplements, probiotics may have favorable effects on bone metabolism. Therefore, the aim of this study was to evaluate the effects of a multispecies probiotic supplementation on bone biomarkers and bone density in osteopenic postmenopausal women. METHODS: This randomized double-blind placebo-controlled clinical trial was performed on 50 patients with osteopenia aged 50-72 years...
June 19, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28624935/eldecalcitol-an-active-vitamin-d3-derivative-prevents-trabecular-bone-loss-and-bone-fragility-in-type-i-diabetic-model-rats
#3
Satoshi Takeda, Mitsuru Saito, Sadaoki Sakai, Kenji Yogo, Keishi Marumo, Koichi Endo
Diabetes mellitus is known to adversely affect the bones and be associated with increased fracture risk. We examined whether eldecalcitol (ELD), an active vitamin D3 derivative, could inhibit the diabetic bone loss in streptozotocin-induced type I diabetic rats. ELD (10, 20, or 40 ng/kg), alfacalcidol (ALF; 25, 50, or 100 ng/kg), or vehicle was administered 5 times per week for 12 weeks from 1 week after diabetes induction. Normal control rats received the vehicle. Bone turnover markers, bone mineral density (BMD), and biomechanical strength of the lumbar spine and femur were measured, and bone histomorphometry was performed...
June 17, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28623409/evaluation-of-bone-viability-in-patients-after-girdlestone-arthroplasty-comparison-of-bone-spect-ct-and-mri
#4
G Diederichs, P Hoppe, F Collettini, G Wassilew, B Hamm, W Brenner, M R Makowski
PURPOSE: To test the diagnostic performance of bone SPECT/CT and MRI for the evaluation of bone viability in patients after girdlestone-arthroplasty with histopathology used as gold standard. MATERIALS AND METHODS: In this cross-sectional study, patients after girdlestone-arthroplasty were imaged with single-photon-emission-computed-tomography/computed-tomography (SPECT/CT) bone-scans using 99mTc-DPD. Additionally, 1.5 T MRI was performed with turbo-inversion-recovery-magnitude (TIRM), contrast-enhanced T1-fat sat (FS) and T1-mapping...
June 16, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28620710/investigation-of-some-disinfection-chemicals-and-water-quality-parameters-in-swimming-pools-in-the-city-center-and-districts-of-canakkale-turkey
#5
Tolga Uysal, Selehattin Yilmaz, Muhammet Turkoglu, Murat Sadikoglu
In this study, the variations in concentrations of some disinfection chemicals such as cyanuric acid (CyA), free chlorine (FC), and residual chlorine (RC), which affect human health, were investigated in the water of swimming pools. In addition, quality parameters such as temperature, pH, and total alkalinity (TA) in 44 swimming pools located in the city center and districts of Canakkale, Turkey, were examined in the summer period. While FC and RC amounts were analyzed using tablet tests with N-N-diethyl phenylenediamine (DPD 1) and potassium iodine (DPD 3) using the colorimetric method in the comparator, TA and CyA levels were measured with a photometric method...
July 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28617491/deciphering-the-dynamics-of-star-molecules-in-shear-flow
#6
Jurij Sablić, Matej Praprotnik, Rafael Delgado-Buscalioni
This work analyses the rotation of star polymers under shear flow, in melts, and in good solvent dilute solution. The latter is modeled by single molecule Brownian hydrodynamics, while melts are modeled using non-equilibrium molecular dynamics in closed (periodic) boxes and in open boundaries. A Dissipative Particle Dynamics (DPD) thermostat introduces pairwise monomer friction in melts at will, in directions normal and tangent to the monomer-monomer vectors. Although tangential friction is seldom modeled, we show that it is essential to control hydrodynamic effects in melts...
June 15, 2017: Soft Matter
https://www.readbyqxmd.com/read/28603180/intratumor-dihydropyrimidine-dehydrogenase-mrna-expression-levels-are-decreased-in-extramammary-paget-s-disease
#7
Yuki Nakamura, Ikko Kajihara, Yamada-Kanazawa Saori, Maeda-Otsuka Saki, Takamitsu Johno, Jun Aoi, Toshikatsu Igata, Shinichi Masuguchi, Satoshi Fukushima, Masatoshi Jinnin, Hironobu Ihn
S-1, a 5-fluorouracil (5-FU)-based anti-cancer agent, is an important drug for treating metastatic extramammary Paget's disease (EMPD). Although intratumor expression levels of 5-FU metabolism enzymes have been studied widely in many solid tumors, no studies have examined on the expression levels of thymidylate synthase (TS), orotate phosphoribosyl-transferase (OPRT) or dihydropyrimidine dehydrogenase (DPD) in skin cancers. The aim of this study was to estimate the intratumoral mRNA expression levels of these genes in EMPD by real time PCR...
June 11, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28601248/evaluation-of-bone-turnover-markers-and-serum-minerals-variations-for-predicting-fracture-healing-versus-non-union-processes-in-adult-sheep-as-a-model-for-orthopedic-research
#8
Cristina P Sousa, Mónica Lopez-Peña, Fernando M Guzón, Humberto V De Abreu, Maurino R Luís, Carlos A Viegas, José Camassa, Jorge T De Azevedo, António S Cabrita, Rui L Reis, Manuela E Gomes, Isabel R Dias
Bone turnover markers (BTMs) have been considered as an auxiliary method of following the fracture healing process and for early prediction of impaired bone healing. A better understanding of the potential of BTMs in this application could allow for earlier interventions and improved patient care. The aim of this study with a large animal experimental model was to assess the variation of bone formation markers - namely the total alkaline phosphatase (ALP) and its bone-specific isoform (BALP), serum concentration of intact osteocalcin (OC), N-terminal propeptide type III procollagen (PIIINP) and of bone resorption markers - namely tartrate resistant acid phosphatase (TRAP) and deoxypyridinoline crosslink (DPD) during the first stages of a normal fracture healing process and of a segmental critical size defect (CSD), which progresses to a non-union process...
May 17, 2017: Injury
https://www.readbyqxmd.com/read/28584579/effect-of-soy-isoflavones-supplement-on-climacteric-symptoms-bone-biomarkers-and-quality-of-life-in-korean-postmenopausal-women-a-randomized-clinical-trial
#9
Hansongyi Lee, Ryowon Choue, Hyunjung Lim
BACKGROUND/OBJECTIVES: Soy isoflavones are expected to improve menopausal symptoms and osteoporosis in women. However, their efficacy is still inconclusive, and there was limited data for postmenopausal women in South Korea. We examined the effects of soy isoflavones on climacteric symptoms, bone biomarkers, and quality of life in Korean postmenopausal women. SUBJECTS/METHODS: A randomized, double-blind study design was used. Eighty-seven participants who had undergone natural menopause were randomly administered either 70 mg/day isoflavones (n = 43) or placebo (n = 41) for 12 weeks...
June 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28583900/ph-responsive-unimolecular-micelle-gold-nanoparticles-drug-nanohybrid-system-for-cancer-theranostics
#10
Wenjing Lin, Na Yao, Long Qian, Xiaofang Zhang, Quan Chen, Jufang Wang, Lijuan Zhang
The development of an in situ formed pH-responsive theranostic nanocomposite for anticancer drug delivery and computed tomography (CT) imaging was reported. β-cyclodextrin-{poly(lactide)-poly(2-(dimethylamino) ethyl methacrylate)-poly[oligo(2-ethyl-2-oxazoline)methacrylate]}21 [β-CD-(PLA-PDMAEMA-PEtOxMA)21] unimolecular micelles served as a template for the in situ formation of gold nanoparticles (GNPs) and the subsequent encapsulation of doxorubicin (DOX). The formation of unimolecular micelles, microstructures and the distributions of GNPs and DOX were investigated through the combination of experiments and dissipative particle dynamics (DPD) simulations...
June 3, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28572274/caspr2-autoantibodies-are-raised-during-pregnancy-in-mothers-of-children-with-mental-retardation-and-disorders-of-psychological-development-but-not-autism
#11
Ester Coutinho, Leslie Jacobson, Marianne Giørtz Pedersen, Michael Eriksen Benros, Bent Nørgaard-Pedersen, Preben Bo Mortensen, Paul J Harrison, Angela Vincent
BACKGROUND, METHODS AND OBJECTIVES: Maternal autoantibodies to neuronal proteins may be one cause of neurodevelopmental disorders. This exploratory study used the Danish archived midgestational sera and their nationwide registers to search for antibodies to the N-methyl-D-aspartate receptor (NMDAR) and contactin-associated protein-like 2 (CASPR2) in maternal sera, and to relate them to subsequent psychiatric diagnoses in the woman or her child. RESULTS: In a sample of 192 women, there was no association between antibody status and subsequent psychosis in the mothers...
June 1, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28566724/aberrant-intra-and-internetwork-functional-connectivity-in-depressed-parkinson-s-disease
#12
Luqing Wei, Xiao Hu, Yajing Zhu, Yonggui Yuan, Weiguo Liu, Hong Chen
Much is known concerning the underlying mechanisms of Parkinson's disease (PD) with depression, but our understanding of this disease at the neural-system level remains incomplete. This study used resting-state functional MRI (rs-fMRI) and independent component analysis (ICA) to investigate intrinsic functional connectivity (FC) within and between large-scale neural networks in 20 depressed PD (dPD) patients, 35 non-depressed PD (ndPD) patients, and 34 healthy controls (HC). To alleviate the influence caused by ICA model order selection, this work reported results from analyses at 2 levels (low and high model order)...
May 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28557612/admittance-to-specialized-palliative-care-spc-of-patients-with-an-assessed-need-a-study-from-the-danish-palliative-care-database-dpd
#13
Mathilde Adsersen, Lau Caspar Thygesen, Mette Asbjoern Neergaard, Anders Bonde Jensen, Per Sjøgren, Anette Damkier, Mogens Groenvold
BACKGROUND: Admittance to specialized palliative care (SPC) has been discussed in the literature, but previous studies examined exclusively those admitted, not those with an assessed need for SPC but not admitted. The aim was to investigate whether admittance to SPC for referred adult patients with cancer was related to sex, age, diagnosis, geographic region or referral unit. MATERIAL AND METHODS: A register-based study with data from the Danish Palliative Care Database (DPD)...
May 30, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28549495/detection-of-the-urinary-biomarkers-pyd-ctx-ii-and-dpd-in-patients-with-kashin-beck-disease-in-the-qinghai-province-of-china
#14
Zhi Jun Zhao, Guang Lan Pu, Pei Zhen Zhan, Qiang Li, Chun Ning Wu, Li Hua Wang
Kashin-Beck disease (KBD) is an endemic degenerative osteoarthropathy of uncertain etiology. The aim of our study was to identify changes in C-telopeptide of type II collagen (CTX-II), pyridinoline (PYD), and deoxypyridinoline (DPD) among KBD patients. 54 KBD patients and 78 healthy controls were included this study. Urinary samples were collected and measured by ELISA. The median quantities of PYD, CTX-II, and DPD of KBD patients were 1107.73 ng/μmol.cre, 695.11 ng/μmol.cre, and 1342.34 pml/μmol.cre, while the median quantities of healthy controls were 805...
May 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28537040/accuracy-of-99mtc-hydroxymethylene-diphosphonate-scintigraphy-for-diagnosis-of-transthyretin-cardiac-amyloidosis
#15
Francesco Cappelli, Chiara Gallini, Carlo Di Mario, Egidio Natalino Costanzo, Luca Vaggelli, Francesca Tutino, Alfonso Ciaccio, Simone Bartolini, Paola Angelotti, Sabrina Frusconi, Silvia Farsetti, Giuseppe Vergaro, Assuero Giorgetti, Paolo Marzullo, Dario Genovesi, Michele Emdin, Federico Perfetto
BACKGROUND AND AIM: Either 99mTechnetium diphosphonate (Tc-DPD) or pyrophosphate (Tc-PYP) scintigraphy plays a relevant role in diagnosing transthyretin cardiac amyloidosis (CA), and labeled radiotracers have been extensively studied in diagnosing CA. Few studies have analyzed and validated 99mTc-Hydroxymethylene diphosphonate (Tc-HMDP). Our aim was to validate the diagnostic accuracy of Tc-HMDP total-body scintigraphy in a cohort of patients with biopsy-proven transthyretin CA. METHODS AND RESULTS: We retrospectively evaluated all patients undergoing 99mTc-HMDP total-body scintigraphy, in adjunct to a comprehensive diagnostic work-up for suspected CA...
May 23, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28535723/discordance-between-physician-assessment-and-patient-reported-depressive-symptoms-in-parkinson-disease
#16
Christian Lachner, Melissa J Armstrong, Ann L Gruber-Baldini, Zahra Rezvani, Stephen G Reich, Paul S Fishman, Richard Salazar, Lisa M Shulman
OBJECTIVE: To assess concordance between physician assessment and patient-reported symptoms when screening for depression in Parkinson disease (dPD). BACKGROUND: Depression in Parkinson disease is highly prevalent (∼40%) and has a significant impact on quality of life and disability, yet physician recognition and treatment remain inadequate. METHODS: One thousand seventy-six patients with PD completed the Brief Symptom Inventory-18 (BSI-18), a screening questionnaire for psychiatric symptoms, which was compared to item #3 (depression) on the Unified Parkinson's Disease Rating Scale (UPDRS)...
January 1, 2017: Journal of Geriatric Psychiatry and Neurology
https://www.readbyqxmd.com/read/28531166/-epiafzelechin-protects-against-ovariectomy-induced-bone-loss-in-adult-mice-and-modulate-osteoblastic-and-osteoclastic-functions-in-vitro
#17
Ka-Chun Wong, Sisi Cao, Xiaoli Dong, Man-Chun Law, Tak-Hang Chan, Man-Sau Wong
The present study was designed to characterize the bone protective effects of (-)-epiafzelechin (EAF), a flavan-3-ol, in mature ovariectomized mice model and its ability to stimulate osteoblastic activity and inhibit osteoclastic activity. Mature C57BL/6 mice (three to four months old) were either ovariectomised (OVX) or sham-operated and subjected to treatment (vehicle, 17β-oestradiol (E2, 200 μg/kg/day) or EAF (500 μg/kg/day) orally for six weeks. EAF and E2 significantly reduced urinary calcium (Ca) excretion, serum osteocalcin (OCN), and urinary deoxy-pyridinoline (DPD); increased bone mineral density (BMD); and improved micro-architectural properties in OVX mice...
May 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28530538/qualitative-estimation-of-drug-entrapment-efficiency-in-polymeric-nano-micelles-using-dpd
#18
Farzin Hadizadeh, Jamal Shamsara
BACKGROUND: Dissipative particle dynamics (DPD) is a simulation method that one of its applications is in the field of pharmaceutical science and drug delivery. OBJECTIVE: DPD is employed to study morphology and some other characteristics of polymeric nano-micelles. Two systems were considered in this study: system A which includes curcumin, Polycaprolactone (PCL), Polyethylene glycol (PEG) and water beads and system B which includes paclitaxel, Polylactic acid (PLA), PEG and water beads...
May 22, 2017: Pharmaceutical Nanotechnology
https://www.readbyqxmd.com/read/28501750/development-validation-and-application-of-a-novel-liquid-chromatography-tandem-mass-spectrometry-assay-measuring-uracil-5-6-dihydrouracil-5-fluorouracil-5-6-dihydro-5-fluorouracil-%C3%AE-fluoro-%C3%AE-ureidopropionic-acid-and-%C3%AE-fluoro-%C3%AE-alanine-in-human-plasma
#19
Ottiniel Chavani, Berit Packert Jensen, R Matthew Strother, Christopher M Florkowski, Peter M George
The plasma 5,6-dihydrouracil/uracil (UH2/U) ratio is a possible phenotypic marker of dihydropyrimidine dehydrogenase (DPD) activity, hence an index of 5-fluorouracil (5-FU) response and toxicity. Studies have re-affirmed the value of 5-FU and 5,6-dihydro-5-fluorouracil (FUH2) for therapeutic drug monitoring (TDM). However, FUH2 has limited stability in plasma, necessitating expedited plasma separation and freezing, where routine compliance may not be easy. The metabolites α-fluoro-β-ureidopropionic acid (FUPA) and α-fluoro-β-alanine (FβAL) are stable in plasma and are probable candidates for TDM...
May 6, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28492150/selective-screening-for-organic-acidurias-and-amino-acidopathies-in-pakistani-children
#20
Noreen Abbas Sherazi, Aysha Habib Khan, Lena Jafri, Azeema Jamil, Nasir Ali Khan, Bushra Afroze
OBJECTIVE: To determine the frequency of organic acidurais (OA) and amino acidopathies (AA) in selected high-risk patients screened in two years. STUDY DESIGN: Retrospective Observational study. PLACE AND DURATION OF STUDY: The Aga Khan University Hospital (AKUH), Karachi, from January 2013 to December 2014. METHODOLOGY: Patients with OA and AA were included in the study and patients with IMDs other than OA and AA were excluded...
April 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
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