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https://www.readbyqxmd.com/read/28724178/could-myo-inositol-soft-gel-capsules-outperform-clomiphene-in-inducing-ovulation-results-of-a-pilot-study
#1
A-L Rolland, M Peigné, P Plouvier, A Dumont, S Catteau-Jonard, D Dewailly
OBJECTIVE: Insulin resistance is known to worsen polycystic ovarian syndrome (PCOS). The management of insulin resistance is crucial in the treatment of PCOS and insulin-sensitizing molecule as myo-inositol (MYO) seems to have promising effects. The aim of our pilot study was to study whether supplementation with MYO can improve patients' sensitivity to clomiphene citrate (CC) in terms of ovulation and pregnancy rates. PATIENTS AND METHODS: This study included 26 patients with PCOS, eligible to ovulation induction with CC...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28723962/surface-functionalization-specific-binding-of-coagulation-factors-by-zinc-oxide-nanoparticles-delays-coagulation-time-and-reduces-thrombin-generation-potential-in-vitro
#2
Jun-Young Yang, Jiyeong Bae, Ayoung Jung, Seonyeong Park, Seungtae Chung, Jihyun Seok, Hangsik Roh, Youngju Han, Jae-Min Oh, Soojung Sohn, Jayoung Jeong, Wan-Seob Cho
Zinc oxide nanoparticles (ZnO NPs) have many biomedical applications such as chemotherapy agents, vaccine adjuvants, and biosensors but its hemocompatibility is still poorly understood, especially in the event of direct contact of NPs with blood components. Here, we investigated the impact of size and surface functional groups on the platelet homeostasis. ZnO NPs were synthesized in two different sizes (20 and 100 nm) and with three different functional surface groups (pristine, citrate, and L-serine). ZnO NPs were incubated with plasma collected from healthy rats to evaluate the coagulation time, kinetics of thrombin generation, and profile of levels of coagulation factors in the supernatant and coronated onto the ZnO NPs...
2017: PloS One
https://www.readbyqxmd.com/read/28723843/no-superior-adaptations-to-carbohydrate-periodization-in-elite-endurance-athletes
#3
Kasper Degn Gejl, Line Thams, Mette Hansen, Torben Rokkedal-Lausch, Peter Plomgaard, Lars Nybo, Filip J Larsen, Daniele A Cardinale, Kurt Jensen, Hans-Christer Holmberg, Kristian Vissing, Niels Ørtenblad
PURPOSE: The present study investigated the effects of periodic CHO restriction on endurance performance and metabolic markers in elite endurance athletes. METHODS: Twenty-six male elite endurance athletes (VO2max: 65.0 ml O2[BULLET OPERATOR]kg[BULLET OPERATOR]min) completed 4 weeks of regular endurance training, while matched and randomized into two groups training with (Low) or without (High) carbohydrate (CHO) manipulation three days a week. The CHO manipulation days consisted of a 1-hr high intensity bike session in the morning, recovery for 7 hrs while consuming isocaloric diets containing either high CHO (414±2...
July 19, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28722676/comparative-proteomic-analysis-of-virulent-and-avirulent-strains-of-toxoplasma-gondii-reveals-strain-specific-patterns
#4
Dong-Hui Zhou, Ze-Xiang Wang, Chun-Xue Zhou, Shuai He, Hany M Elsheikha, Xing-Quan Zhu
Research exploring the proteome of Toxoplasma gondii oocysts has gained momentum over the past few years. However, little is known about the oocyst's protein repertoires that contribute to differential virulence among T. gondii strains. Here, we used isobaric tag for relative and absolute quantitation-based proteomic analysis of oocysts of two T. gondii strains exhibiting the virulent PYS (ToxoDB#9) phenotype versus the less virulent PRU (Type II, ToxoDB#1) phenotype. Our aim was to determine protein expression patterns that contribute to the virulence of a particular phenotype...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722332/functionalized-acupuncture-needle-as-surface-enhanced-resonance-raman-spectroscopy-sensor-for-rapid-and-sensitive-detection-of-dopamine-in-serum-and-cerebrospinal-fluid
#5
Liangbao Yang, Pan Li, Binbin Zhou, Xiaomin Cao, Xianghu Tang, Ling Hu, Jinhuai Liu
It is challenging to develop a robust sensor for simple and rapid operation and sensitive detection of neurotransmitter in complex specimen. In the present work, the ferric-citrate-functionalized Au nanoparticles [Au NPs/CA-Fe(III)] is utilized to develop a facile sensor based on Surface-enhanced Resonance Raman spectroscopy (SERRS) for sensitive detection of dopamine (DA). The sensor is prepared by decorating acupuncture needle with Au NPs, which enables the sufficient SERS enhancement. CA-Fe(III) structure was highly sensitive and selective to DA with formation of CA-Fe(III)-DA resonant structure, indicating the advantages of capturing, carrying and separating DA molecules from complicated samples with simple operation...
July 19, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28721722/pillar-5-arene-based-supramolecular-plasmonic-thin-films-for-label-free-quantitative-and-multiplex-sers-detection
#6
Verónica Montes García, Borja Gómez-González, Diego M Solís, Jose M Taboada, Norman Jiménez Otero, Jacobo de Uña-Álvarez, Fernando Obelleiro, Luis García-Río, Jorge Perez-Juste, Isabel Pastoriza-Santos
Novel plasmonic thin films based on electrostatic layer-by-layer (LbL) deposition of citrate-stabilized Au nanoparticles (NPs) and ammonium pillar[5]arene (AP[5]A) has been developed. The supramolecular-induced LbL assembly of the plasmonic nanoparticles yields to the formation of controlled hot-spots with uniform interparticle distances. At the same time this strategy allows to modulate the density and dimensions of the Au aggregates, and therefore the optical response, on the thin film with the number of AuNP-AP[5]A deposition cycles...
July 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28721216/switch-to-restoration-therapy-in-a-testosterone-treated-central-hypogonadism-with-erythrocytosis
#7
B Cangiano, C Cacciatore, L Persani, M Bonomi
We describe a case of severe erythrocytosis caused by testosterone replacement therapy in a 66-year-old man affected with hypogonadotropic hypogonadism (HH) determining osteoporosis, resolved by switching to restoration therapy with clomiphene citrate. The patient complained fatigue, loss of libido and defective erections and a spontaneous vertebral fracture despite bisphosphonate therapy and vitamin D supplementation. The examinations proved isolated HH and he was therefore treated with testosterone gel with regression of specific manifestations but elevated hemoglobin and hematocrit values...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28721181/adding-sildenafil-vaginal-gel-to-clomiphene-citrate-in-infertile-women-with-prior-clomiphene-citrate-failure-due-to-thin-endometrium-a-prospective-self-controlled-clinical-trial
#8
A N Fetih, D M Habib, I I Abdelaal, M Hussein, G N Fetih, E R Othman
We aimed to investigate the effect of adding sildenafil vaginal gel to clomiphene citrate (CC) in infertile women with prior CC failure. METHODS: This is a self- controlled clinical trial. Women with CC failure (in prior 5 cycles) and thin endometrium were recruited (N = 42). In their 6th (CC only) cycle, women continued on CC 100 mg/ day for 5 days, and had measurement of endometrial thickness and Doppler assessment of uterine arteries on day of HCG administration. In the 7th cycle, women (N = 36) were given usual dose of CC supplemented with sildenafil vaginal gel (5 gm, containing 50 mg sildenafil) twice daily from cycle day 8 to day of HCG administration...
March 2017: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/28718091/nutritional-and-micronutrient-care-of-bariatric-surgery-patients-current-evidence-update
#9
REVIEW
Michael A Via, Jeffrey I Mechanick
PURPOSE OF REVIEW: The continued success of bariatric surgery to treat obesity and obesity-associated metabolic conditions creates a need for a strong understanding of clinical nutrition both before and after these procedures. RECENT FINDINGS: Surgically induced alteration of gastrointestinal physiology can affect the nutrition of individuals, especially among those who have undergone malabsorptive procedures. While uncommon, a subset of patients may develop protein-calorie malnutrition...
July 17, 2017: Current Obesity Reports
https://www.readbyqxmd.com/read/28717990/iron-based-phosphate-binders-a-paradigm-shift-in-the-treatment-of-hyperphosphatemic-anemic-ckd-patients
#10
REVIEW
Francesco Locatelli, Lucia Del Vecchio
The partial correction of anemia and the normalization of phosphate and blood pressure are the mainstay of treatment of patients with chronic kidney disease (CKD). Available anti-hypertensive drugs, erythropoiesis stimulating agents (ESAs) and iron supplements have resolved quite satisfactorily the goal of controlling hypertension and partially correcting anemia. Unfortunately, the treatment of hyperphosphatemia is still far from resolved. Phosphate binders have poor tolerability and/or limited efficacy, leading to the prescription of many tablets that achieve only a mild-to-moderate effect...
July 17, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28717276/testosterone-versus-clomiphene-citrate-in-managing-symptoms-of-hypogonadism-in-men
#11
Pranav Dadhich, Ranjith Ramasamy, Jason Scovell, Nathan Wilken, Larry Lipshultz
INTRODUCTION: Both clomiphene citrate (CC) and testosterone supplementation therapy (TST) are effective treatments for men with hypogonadism. We sought to compare changes in symptoms and treatment efficacy in hypogonadal men before and after receiving CC and TST. PATIENTS AND METHODS: 52 men who received TST and 23 men who received CC for symptomatic hypogonadism were prospectively followed for change in hormone levels and symptoms after treatment. These men were also compared to eugonadal men who were not on CC or TST during the same period...
July 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28716969/genetic-determinants-of-susceptibility-to-silver-nanoparticle-induced-acute-lung-inflammation-in-mice
#12
David K Scoville, Dianne Botta, Karen Galdanes, Stefanie C Schmuck, Collin C White, Patricia L Stapleton, Theo K Bammler, James W MacDonald, William A Altemeier, Michelle Hernandez, Steven R Kleeberger, Lung-Chi Chen, Terry Gordon, Terrance J Kavanagh
Silver nanoparticles (AgNPs) are employed in a variety of consumer products; however, in vivo rodent studies indicate that AgNPs can cause lung inflammation and toxicity in a strain- and particle type-dependent manner, but mechanisms of susceptibility remain unclear. The aim of this study was to assess the variation in AgNP-induced lung inflammation and toxicity across multiple inbred mouse strains and to use genome-wide association (GWA) mapping to identify potential candidate susceptibility genes. Mice received doses of 0...
July 17, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28715871/improvement-of-mitochondrial-function-by-celastrol-in-palmitate-treated-c2c12-myotubes-via-activation-of-pi3k-akt-signaling-pathway
#13
Mohamad Hafizi Abu Bakar, Joo Shun Tan
Compelling evidences posited that high level of saturated fatty acid gives rise to mitochondrial dysfunction and inflammation in the development of insulin resistance in skeletal muscle. Celastrol is a pentacyclic triterpenoid derived from the root extracts of Tripterygium wilfordii that possesses potent anti-inflammatory properties in a number of animal models with metabolic diseases. However, the cellular mechanistic action of celastrol in alleviating obesity-induced insulin resistance in skeletal muscle remains largely unknown...
July 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28715860/hemoglobin-bioconjugates-with-surface-protected-gold-nanoparticles-in-aqueous-media-the-stability-depends-on-solution-ph-and-protein-properties
#14
Rafael Del Caño, Lucia Mateus, Guadalupe Sánchez-Obrero, José Manuel Sevilla, Rafael Madueño, Manuel Blázquez, Teresa Pineda
The identification of the factors that dictate the formation and physicochemical properties of protein-nanomaterial bioconjugates are important to understand their behavior in biological systems. The present work deals with the formation and characterization of bioconjugates made of the protein hemoglobin (Hb) and gold nanoparticles (AuNP) capped with three different molecular layers (citrate anions (c), 6-mercaptopurine (MP) and ω-mercaptoundecanoic acid (MUA)). The main focus is on the behavior of the bioconjugates in aqueous buffered solutions in a wide pH range...
July 5, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28715772/stability-of-single-dispersed-silver-nanoparticles-in-natural-and-synthetic-freshwaters-effects-of-dissolved-oxygen
#15
Xiaoyan Zou, Penghui Li, Jie Lou, Xiaoyan Fu, Hongwu Zhang
Silver nanoparticles (AgNPs) are increasingly used in various commercial products. This increased use raises ecological concerns because of the large release of AgNPs into the environment. Once released, the local water chemistry has the potential to influence the environmental fates and behaviors of AgNPs. The impacts of dissolved oxygen and natural organic matter (NOM) on the dissolution and stability of AgNPs were investigated in synthetic and natural freshwaters for 7 days. In synthetic freshwater, the aggregation of AgNPs occurred due to the compression of the electric double layer, accompanied by the dissolution of AgNPs...
July 14, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28715463/potassium-citrate-prevents-increased-osteoclastogenesis-resulting-from-acidic-conditions-implication-for-the-treatment-of-postmenopausal-bone-loss
#16
Donatella Granchi, Elena Torreggiani, Annamaria Massa, Renata Caudarella, Gemma Di Pompo, Nicola Baldini
The extracellular acidic milieu in bones results in activation of osteoclasts (OC) and inhibition of osteoblasts (OB) causing a net loss of calcium from the skeleton and the deterioration of bone microarchitecture. Alkalinization through supplementation with potassium citrate (K citrate) has been proposed to limit the osteopenia progression, even though its pharmacological activity in bone microenvironment is not well defined. We evaluated if K citrate was able to prevent the adverse effects that acidic milieu induces on bone cells...
2017: PloS One
https://www.readbyqxmd.com/read/28715403/improving-strength-power-muscle-aerobic-capacity-and-glucose-tolerance-through-short-term-progressive-strength-training-among-elderly-people
#17
Eva A Andersson, Per Frank, Marjan Pontén, Björn Ekblom, Maria Ekblom, Marcus Moberg, Kent Sahlin
This protocol describes the simultaneous use of a broad span of methods to examine muscle aerobic capacity, glucose tolerance, strength, and power in elderly people performing short-term resistance training (RET). Supervised progressive resistance training for 1 h three times a week over 8 weeks was performed by RET participants (71±1 years, range 65-80). Compared to a control group without training, the RET showed improvements on the measures used to indicate strength, power, glucose tolerance, and several parameters of muscle aerobic capacity...
July 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28715251/body-heat-responsive-gelation-of-methylcellulose-formulation-containing-betaine
#18
Yoshiaki Shirata, Asami Wakasa, Kiyoshi Miura, Hironori Nakamura, Yoshinobu Matsumoto, Tomihiro Miyada
We examined a methylcellulose (MC) formulation that gels at body temperature for enteral alimentation. Betaine was found to have a lowering effect on the gelation temperature of the MC solution. The thermal gelation temperature of a body heat-responsive (BHR) gelling MC formulation, consisting of 2% MC, 15% glucose, 1.2% sodium citrate, and 3.5% betaine mixture, was approximately 32 °C, indicating that it could gel in response to body heat. Glucose release from the BHR gels was delayed at 37 °C in an in vitro study...
July 17, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28714420/evaluation-of-temporal-changes-in-urine-based-metabolomic-and-kidney-injury-markers-to-detect-compound-induced-acute-kidney-tubular-toxicity-in-beagle-dogs
#19
M P Wagoner, Y Yang, J E McDuffie, M Klapczynski, W Buck, L Cheatham, D Eisinger, F Sace, K M Lynch, M Sonee, J-Y Ma, Y Chen, K Marshall, M Damour, L Stephen, Y P Dragan, J Fikes, S Snook, L B Kinter
Urinary protein biomarkers and metabolomic markers have been leveraged to detect acute drug induced kidney injury (DIKI) in rats; however, the utility of these indicators to enable early detection of DIKI in canine models has not been well documented. Therefore, we evaluated temporal changes in biomarkers and metabolites in urine from male and female beagle dogs. Gentamicin-induced kidney lesions in male dogs were characterized by moderate to severe tubular epithelial cell degeneration/necrosis, epithelial cell regeneration and dilation; and a unique urine-based metabolomic fingerprint...
July 13, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28714246/carbon-nanodot-sensitized-modulation-of-alzheimer-s-%C3%AE-amyloid-self-assembly-disassembly-and-toxicity
#20
You Jung Chung, Kayoung Kim, Byung Il Lee, Chan Beum Park
The self-assembly of amyloidogenic peptides into β-sheet-rich aggregates is a general feature of many neurodegenerative diseases, including Alzheimer's disease, which signifies the need for the effective attenuation of amyloid aggregation toward alleviating amyloid-associated neurotoxicity. This study reports that photoluminescent carbon nanodots (CDs) can effectively suppress Alzheimer's β-amyloid (Aβ) self-assembly and function as a β-sheet breaker disintegrating preformed Aβ aggregates. This study synthesizes CDs using ammonium citrate through one-pot hydrothermal treatment and passivates their surface with branched polyethylenimine (bPEI)...
July 17, 2017: Small
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