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A Covarrubias-Pinto, A I Acuña, G Boncompain, E Pápic, P V Burgos, F Perez, M A Castro
Ascorbic acid (Asc) is an antioxidant molecule essential for physiological functions. The concentration of extracellular Asc increases during synaptic transmission and renal reabsorption. These phenomena induce an increase of the Sodium-dependent-Vitamin-C-transporter 2 (SVCT2) at plasma membrane (PM) localization, as we previously demonstrated in neuronal and non-neuronal cells. Hence, the aim of this study was to evaluate intracellular SVCT2 trafficking kinetics in response to Asc. We observed two peaks of SVCT2 localization and function at the PM (at 5-10min, "acute response", and 30-60min, "post-acute response") when cells were incubated with Asc...
March 12, 2018: Free Radical Biology & Medicine
Charles V Vorhees, Jenna N Sprowles, Samantha L Regan, Michael T Williams
High throughput screens for developmental neurotoxicity (DN) will facilitate evaluation of chemicals and can be used to prioritize those designated for follow-up. DN is evaluated under different guidelines. Those for drugs generally include peri- and postnatal studies and juvenile toxicity studies. For pesticides and commercial chemicals, when triggered, include developmental neurotoxicity studies (DNT) and extended one-generation reproductive toxicity studies. Raffaele et al. (2010) reviewed 69 pesticide DNT studies and found two of the four behavioral tests underperformed...
March 12, 2018: Toxicology and Applied Pharmacology
Eun-Ji Choi, Je-Hwan Lee, Jung-Hee Lee, Han-Seung Park, Sun-Hye Ko, Eun-Hye Hur, Juhyun Moon, Bon-Kwan Goo, Yeonhee Kim, Miee Seol, Young-Shin Lee, Young-Ah Kang, Mijin Jeon, Ji Min Woo, Kyoo-Hyung Lee
This retrospective analysis compared anthracyclines (as part of an induction regimen) in 128 newly diagnosed FLT3-ITD-mutated AML patients. Induction regimens comprised high-dose daunorubicin (HD-DN; 90 mg/m2 /d × 3d; n = 44), standard-dose daunorubicin (SD-DN; 45 mg/m2 /d × 3d; n = 51), or idarubicin (IDA; 12 mg/m2 /d × 3d; n = 33) in combination with cytarabine (100-200 mg/m2 /d × 7d). Fifty-three patients showing persistent leukemia on interim bone marrow examination received a second course of induction chemotherapy comprising 2 days of daunorubicin (45 mg/m2 /d) or IDA (8 or 12 mg/m2 /d) in addition to 5 days of cytarabine...
March 8, 2018: Leukemia Research
Katsuhito Matsuki, Daiki Kato, Masashi Takemoto, Yoshiaki Suzuki, Hisao Yamamura, Susumu Ohya, Hiroshi Takeshima, Yuji Imaizumi
Physiological functions of type 3 ryanodine receptors (RyR3) in smooth muscle (SM) tissues are not well understood, in spite of their wide expression. However, the short isoform of RyR3 is known to be a dominant negative variant (DN-RyR3), which may negatively regulate functions of both RyR2 and full length (FL)-RyR3 by forming hetero-tetramers. Here, functional roles of RyR3 in the regulation of Ca2+ signaling in mesenteric artery SM cells (MASMCs) were examined using RyR3 homozygous knockout mice (RyR3-/- )...
March 14, 2018: American Journal of Physiology. Cell Physiology
Muneeb U Rehman, Shahzada Mudasir Rashid, Saiema Rasool, Sheeba Shakeel, Bilal Ahmad, Sheikh Bilal Ahmad, Hassan Madkhali, Majid Ahmad Ganaie, Sabiya Majid, Showkat Ahmad Bhat
Development of diabetic nephropathy (DN) is directly linked to oxidative stress and inflammation. In this context, inflammatory and oxidative markers have gained much attention as targets for therapeutic intervention. We studied the effect of zingerone in a streptozotocin/high fat diet (STZ/HFD)-induced type 2 diabetic Wistar rat model. Zingerone also known as vanillyl acetone is a pharmacologically active compound present usually in dry ginger. STZ/HFD caused excessive increase in ROS and inflammation in experimental animals...
March 14, 2018: Archives of Physiology and Biochemistry
Vittorio Filippo Nicolis, Eduard Venter
Plants respond in a similar manner to aphid feeding as to pathogen attack. Diuraphis noxia is a specialist aphid, feeding only on selected grasses that include wheat, barley, and oats. The wheat-Diuraphis noxia interaction is characterized by very similar responses as seen in wheat-pathogen interactions with none of the underlying resistance pathways and genes characterized yet. From wheat harboring the Dn1 resistance gene, we have identified a nucleotide-binding leucine-rich repeat (NLR) gene containing two integrated domains (IDs)...
March 13, 2018: Molecular Plant-microbe Interactions: MPMI
Hailing Yang, Xiaofei Zhang, Guangda Xin
BACKGROUND: Recent studies have reported that mesenchymal stem cells (MSCs) exert therapeutic effects on the treatment of diabetic nephropathy (DN), but the underlying mechanisms remain unclear. METHODS: A dataset GSE65561 was obtained from Gene Expression Omnibus (GEO) database, which contained four healthy control samples (group 1), four healthy controls samples co-cultured with MSCs (group 2), five DN samples (group 3) and five DN samples co-cultured with MSCs (group 4)...
March 13, 2018: Renal Failure
Shunli Liu, Kewen Li, Imtiaz Hussain, Olayinka Oderinde, Fang Yao, Jiuyang Zhang, Guo Dong Fu
Mechanically-tough and electrical conductive self-healing hydrogels may have broad applications in wearable electronics, health-monitoring systems, and smart robotics in the following years. Here, we proposed a new design strategy to synthesize a dual physical cross-linked polyethylene glycol/poly(acrylic acid) (PEG/PAA) double network hydrogel, consisting of an ferric ions cross-linked linear chain extension of PEG (2, 6-pyridinedicarbonyl moieties incorporated in the PEG backbone, PEG-H2pdca) as the first physical network and a PAA-Fe3+ gel as the second physical network...
March 13, 2018: Chemistry: a European Journal
Sudarshan Anandkumar, Murugavel Manivasagam
This case series describes three patients who presented with right medial elbow pain managed unsuccessfully with conservative treatment that included medication, massage, exercise therapy, ultrasound therapy, neurodynamic mobilization, and taping. Diagnosis of cubital tunnel syndrome was based on palpatory findings, a positive elbow flexion test, and a positive Tinel's sign. Conventionally, the intervention for this entrapment has been surgical decompression, with successful outcomes. This is potentially a first-time description of the successful management of cubital tunnel syndrome with dry needling (DN) using a recently published DN grading system...
March 12, 2018: Physiotherapy Theory and Practice
Jahidur Rashid, Kamrun Nahar, Snehal Raut, Ali Keshavarz, Fakhrul Ahsan
We investigated the feasibility of a combination therapy comprising fasudil, a Rho-kinase inhibitor, and DETA NONOate (diethylenetriamine NONOate, DN), a long acting nitric oxide donorboth loaded in liposomes modified with a homing peptide, CAR (CARSKNKDC)in the treatment of pulmonary arterial hypertension (PAH). We first prepared and characterized unmodified- and CAR-modified-liposomes of fasudil and DN. Using individual drugs alone or a mixture of fasudil and DN as controls, we studied the efficacy of the two liposomal preparations in reducing mean pulmonary arterial pressure (mPAP) in monocrotaline (MCT) and SUGEN-hypoxia induced PAH rats...
March 12, 2018: Molecular Pharmaceutics
Amany M El-Saeed, Ghada F El-Mohasseb
Diabetic nephropathy (DN) is a progressive kidney disease. Previous studies reported that microalbuminuria might not be a sufficient marker to identify diabetic patients at risk of kidney disease progression. Fibroblast growth factors 21 (FGF21) and 23 (FGF23) may play an important role in the DN development and progression. We aimed to assess levels of FGF21 and FGF23 in patients with type 2 diabetes (T2D) with normoalbuminurea, to determine their association with other biochemical parameters and to verify their role as contributing factors to development of DN...
June 2017: Egyptian Journal of Immunology
Khaled G Abdel-Wahhab, Eitedal M Daoud, Aliaa El Gendy, Hagar H Mourad, Fathia A Mannaa, Maha M Saber
Diabetic neuropathy (DN) is the highly occurred complication of diabetes mellitus; it has been defined as an event of peripheral nerve dysfunction characterized by pain, allodynia, hyperalgesia, and paraesthesia. The current study was conducted to evaluate the efficacy of low-level laser therapy (LLLT) in the management of neuropathy in diabetic rats. The used animals were divided into the following groups: negative control, streptozotocin-induced diabetic rats, and diabetic rats with peripheral neuropathy (DNP) and DNP treated with gabapentin or with LLLT...
March 12, 2018: Applied Biochemistry and Biotechnology
Meiyan Wang, Dan Meng, Peng Zhang, Xiangxing Wang, Gang Du, Charles Brennan, Shiming Li, Chi-Tang Ho, Hui Zhao
Aging and oxidative-related events are closely associated with the oxidative damages induced by excess reactive oxygen species (ROS). The phytochemicals nobiletin (NBT) and tangeretin (TAN), and their 5-demethylated derivatives 5-demethylnobiletin (5-DN) and 5-demethyltangeretin (5-DT) are the representative polymethoxyflavones (PMFs) compounds found in aged citrus peel. Although the health benefits from PMFs due to their antioxidant activities have been well documented, a systematic assessment regarding the antioxidation process of PMFs is still lack of attention...
March 11, 2018: Journal of Agricultural and Food Chemistry
You-Zhen Feng, Xiao-Qiao Chen, Juan Yu, Xiao-Ling Liu, Zhong-Yuan Cheng, Wei-Wei Ren, Lie Feng, Xiang-Ran Cai
PURPOSE: The purpose of this study was to evaluate the utility of intravoxel incoherent motion diffusion-weighted imaging (IVIM DWI) parameters in identifying early renal function changes in diabetics. METHODS: A total of 40 patients with type 2 diabetes mellitus and 20 healthy control subjects underwent multiple b value DWI. The diabetic patients were stratified into two groups based on albuminuria category: NAU (normal to mildly increased albuminuria; ACR < 30 mg/g) and MAU (moderately increased albuminuria; 30 ≤ ACR < 300 mg/g)...
March 10, 2018: Abdominal Radiology
Kieran C R Fox, Brett L Foster, Aaron Kucyi, Amy L Daitch, Josef Parvizi
The human default network (DN) plays a critical role in internally directed cognition, behavior, and neuropsychiatric disease. Despite much progress with functional neuroimaging, persistent questions still linger concerning the electrophysiological underpinnings, fast temporal dynamics, and causal importance of the DN. Here, we review how direct intracranial recording and stimulation of the DN provides a unique combination of high spatiotemporal resolution and causal information that speaks directly to many of these outstanding questions...
March 7, 2018: Trends in Cognitive Sciences
Yasushi Kaburagi, Eri Takahashi, Hiroshi Kajio, Shigeo Yamashita, Ritsuko Yamamoto-Honda, Tomoko Shiga, Akinori Okumura, Atsushi Goto, Yuka Fukazawa, Naoto Seki, Kazuyuki Tobe, Michihiro Matsumoto, Mitsuhiko Noda, Hiroyuki Unoki-Kubota
AIMS: In this study, we applied quantitative proteomic analysis to identify urinary proteins associated with diabetic nephropathy (DN). METHODS: Two-dimensional image-converted analysis of liquid chromatography and mass spectrometry detected the proteins differentially excreted between normoalbuminuric and macroalbuminuric patients with type 2 diabetes mellitus (T2DM) (n = 6 each). Urinary levels of excreted proteins were measured by multiple reaction monitoring (MRM) analysis using an independent sample set (n = 77)...
March 6, 2018: Diabetes Research and Clinical Practice
Debi Prasad Mohapatra, Santosh Kumar Singh, Minu Sahoo, Shashank Patole, Mitali Mishra, Nagen Kumar Debata, Harapriya Mohapatra
PURPOSE: Antibiotic resistance patterns often exhibit geographical variations. Periodic analyses of resistance spectra and phylogenetic trends are important guides for facilitating judicious use of therapeutic interventions. The present study retrospectively analysed the infection trends, resistance patterns, and clonal relationships between isolates of Klebsiella spp. from a tertiary care hospital. METHODOLOGY: Bacterial isolates were collected from January 2013 to June 2014 and their resistance profiles were identified using an automated bacterial identification system...
March 9, 2018: Journal of Medical Microbiology
Yue Yang, Zheng Zhang, Li Zhuo, Da-Peng Chen, Wen-Ge Li
Background: Chronic kidney disease has become a leading public health concern in China, as it is associated with increased morbidity, mortality, and costs. However, the overall situation regarding common glomerular diseases in China remains unclear. Hence, the aim of this study was to assess the national profile of the common types of glomerulonephritis in China. Methods: We searched Medline, Embase, Cochrane Library, CNKI, SinoMed, VIP, and Wanfang databases for English and Chinese language articles from inception to September 2017...
March 20, 2018: Chinese Medical Journal
Rolando Robert, Kenneth Francis Rodrigues, Zarinah Waheed, Subbiah Vijay Kumar
This study is aimed at establishing a baseline on the genetic diversity of the Acropora corals of Sabah, North Borneo based on variations in the partial COI and CYB nucleotide sequences. Comparison across 50 shallow-water Acropora morphospecies indicated that the low substitution rates in the two genes were due to negative selection and that rate heterogeneity between them was asymmetric. CYB appeared to have evolved faster than COI in the Acropora as indicated by differences in the rate of pairwise genetic distance, degrees of transition bias (Ts /Tv ), synonymous-to-nonsynonymous rate ratio (dN /dS ), and substitution patterns at the three codon positions...
March 9, 2018: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
Tao Ding, Shaofei Wang, Xuyao Zhang, Wenjing Zai, Jiajun Fan, Wei Chen, Qi Bian, Jingyun Luan, Yilan Shen, Yanda Zhang, Dianwen Ju, Xiaobin Mei
BACKGROUND: Diabetic nephropathy (DN), the leading cause of end-stage renal disease, is acknowledged as an independent risk factor for cardiovascular disease, which underlines the urgent need for new medications to DN. Dihydroquercetin (DHQ), an important natural dihydroflavone, exerts significant antioxidant, anti-inflammatory, and antifibrotic properties, but its effects on DN have not been investigated yet. PURPOSE: We aimed to explore the kidney protection effects of DHQ on DN rats induced by high-fat diet/streptozotocin in vivo and the underlying mechanisms of DHQ on renal cells including HBZY-1 and HK2 exposed to high glucose in vitro...
March 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
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