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Glutaric Acid

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https://read.qxmd.com/read/30864798/surface-tensions-of-picoliter-droplets-with-sub-millisecond-surface-age
#1
Rachael E H Miles, Michael W J Glerum, Hallie C Boyer, Jim S Walker, Cari S Dutcher, Bryan Richard Bzdek
Aerosols are key components of the atmosphere and play important roles in many industrial processes. Because aerosol particles have high surface-to-volume ratios, their surface properties are especially important. However, direct measurement of the surface properties of aerosol particles is challenging. In this work, we describe an approach to measure the surface tension of picoliter volume droplets with surface age <1 ms by resolving their dynamic oscillations in shape immediately after ejection from a microdroplet dispenser...
March 13, 2019: Journal of Physical Chemistry. A
https://read.qxmd.com/read/30817923/co-crystal-and-salt-forms-of-an-imidazopyridazine-antimalarial-drug-lead
#2
Terence J Noonan, Kelly Chibale, Peter M Cheuka, Susan A Bourne, Mino R Caira
Co-crystallization and salt formation were employed to produce new multi-component forms of a novel antimalarial imidazopyridazine drug lead (MMV652103) that displayed improved physicochemical properties. The drug lead had earlier shown good in vitro potency against multidrug resistant (K1) and sensitive (NF54) strains of the human malaria parasite Plasmodium falciparum, and high in vivo efficacy in both Plasmodium berghei and Plasmodium falciparum mouse models. A major drawback of MMV652103 is its limited aqueous solubility...
February 25, 2019: Journal of Pharmaceutical Sciences
https://read.qxmd.com/read/30813069/adsorption-of-doxorubicin-hydrochloride-on-glutaric-anhydride-functionalized-fe-3-o-4-sio-2-magnetic-nanoparticles
#3
Wanling Cai, Mengyu Guo, Xiulan Weng, Wei Zhang, Zuliang Chen
Since Fe3 O4 nanoparticles synthesized by plant extracts possess good bio-compatibility and superparamagnetic properties, the possibility of these could be used as a carrier in drug delivery. In this work, doxorubicin hydrochloride (DOX), an anti-cancer drug, loaded on glutaric anhydride-functionalized magnetic nanoparticles (Fe3 O4 @SiO2 -Glu) was investigated at varying pH values for effective drug delivery. Various factors affecting the adsorption of DOX onto the Fe3 O4 @SiO2 -Glu were examined, where the adsorption efficiency of DOX reached 92% at a concentration of 20 mg/L employing 10 mg of Fe3 O4 @SiO2 -Glu at 303 K in pH 7...
May 2019: Materials Science & Engineering. C, Materials for Biological Applications
https://read.qxmd.com/read/30725412/development-of-recombinant-methioninase-for-cancer-treatment
#4
Robert M Hoffman, Yuying Tan, Shukuan Li, Qinghong Han, Shigeo Yagi, Tomoaki Takakura, Akio Takimoto, Kenji Inagaki, Daizou Kudou
The elevated requirement for methionine (MET) of cancer cells is termed MET dependence. To selectively target the MET dependence of tumors for treatment on a large-scale preclinical and clinical basis, the L-methionine α-deamino-γ-mercaptomethane-lyase (EC 4.4.1.11) (methioninase, [METase]) gene from Pseudomonas putida has been cloned in Escherichia coli using the polymerase chain reaction (PCR). Purification using two DEAE Sepharose FF ion-exchange column and one ActiClean Etox endotoxin-affinity chromatography column has been established...
2019: Methods in Molecular Biology
https://read.qxmd.com/read/30715633/antimicrobial-potential-of-toothpaste-formulated-from-extracts-of-syzygium-aromaticum-dennettia-tripetala-and-jatropha-curcas-latex-against-some-oral-pathogenic-microorganisms
#5
Olugbenga Oludayo Oluwasina, Ifunanya Vivian Ezenwosu, Clement Olusola Ogidi, Victor Olusegun Oyetayo
The need for a broad spectrum antimicrobial mouthwash is highly desirable to reduce, control and prevent various types of dental diseases. Hence, research into the production of herbal toothpaste to suppress the incidence of dental diseases is pertinent. The present study formulated herbal toothpastes from edible and medicinal plants namely; Syzygium aromaticum, Dennettia tripetala, and Jatropha curcas latex. The antimicrobial activity of the toothpastes was assessed against some oral pathogenic microorganisms using agar well diffusion...
February 4, 2019: AMB Express
https://read.qxmd.com/read/30686684/ammonium-accumulation-and-chemokine-decrease-in-culture-media-of-gcdh-3d-reaggregated-brain-cell-cultures
#6
Hong-Phuc Cudré-Cung, Noémie Remacle, Sonia do Vale-Pereira, Mary Gonzalez, Hugues Henry, Julijana Ivanisevic, Jessica Schmiesing, Chris Mühlhausen, Olivier Braissant, Diana Ballhausen
Glutaric Aciduria type I (GA-I) is caused by mutations in the GCDH gene. Its deficiency results in accumulation of the key metabolites glutaric acid (GA) and 3-hydroxyglutaric acid (3-OHGA) in body tissues and fluids. Present knowledge on the neuropathogenesis of GA-I suggests that GA and 3-OHGA have toxic properties on the developing brain. We analyzed morphological and biochemical features of 3D brain cell aggregates issued from Gcdh-/- mice at two different developmental stages, day-in-vitro (DIV) 8 and 14, corresponding to the neonatal period and early childhood...
January 18, 2019: Molecular Genetics and Metabolism
https://read.qxmd.com/read/30679757/optimization-of-her3-expression-imaging-using-affibody-molecules-influence-of-chelator-for-labeling-with-indium-111
#7
Sara S Rinne, Charles Dahlsson Leitao, Bogdan Mitran, Tarek Z Bass, Ken G Andersson, Vladimir Tolmachev, Stefan Ståhl, John Löfblom, Anna Orlova
Radionuclide molecular imaging of human epidermal growth factor receptor 3 (HER3) expression using affibody molecules could be used for patient stratification for HER3-targeted cancer therapeutics. We hypothesized that the properties of HER3-targeting affibody molecules might be improved through modification of the radiometal-chelator complex. Macrocyclic chelators NOTA (1,4,7-triazacyclononane-N,N',N''-triacetic acid), NODAGA (1-(1,3-carboxypropyl)-4,7-carboxymethyl-1,4,7-triazacyclononane), DOTA (1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid), and DOTAGA (1,4,7,10-tetraazacyclododececane,1-(glutaric acid)-4,7,10-triacetic acid) were conjugated to the C-terminus of anti-HER3 affibody molecule Z08698 and conjugates were labeled with indium-111...
January 24, 2019: Scientific Reports
https://read.qxmd.com/read/30669294/analysis-of-the-lipolytic-activity-of-whole-saliva-and-site-specific-secretions-from-the-oral-cavity-of-healthy-adults
#8
Weng Yuen Willy Lai, Jocelyn Wei Min Chua, Saloni Gill, Iain A Brownlee
It is currently unclear how the process of fat digestion occurs in the mouth of humans. This pilot study therefore aimed to quantify the levels of lipolytic activity at different sites of the mouth and in whole saliva. Samples of whole saliva and from 4 discrete sites in the oral cavity were collected from 42 healthy adult participants. All samples were analyzed for lipolytic activity using two different substrates (olive oil and the synthetic 1,2-o-dilauryl-rac-glycero-3-glutaric acid-(6'-methylresorufin) ester (DGGR))...
January 18, 2019: Nutrients
https://read.qxmd.com/read/30668975/anandamide-reduces-the-toxic-synergism-exerted-by-quinolinic-acid-and-glutaric-acid-in-rat-brain-neuronal-cells
#9
Ilan Kotlar, Edgar Rangel-López, Aline Colonnello, Gabriela Aguilera-Portillo, Iris N Serratos, Sonia Galván-Arzate, José Pedraza-Chaverrí, Isaac Túnez, Moacir Wajner, Abel Santamaría
The endocannabinoid system (ECS) regulates several physiological processes in the Central Nervous System, including the modulation of neuronal excitability via activation of cannabinoid receptors (CBr). Both glutaric acid (GA) and quinolinic acid (QUIN) are endogenous metabolites that, under pathological conditions, recruit common toxic mechanisms. A synergistic effect between them has already been demonstrated, supporting potential implications for glutaric acidemia type I (GA I). Here we investigated the possible involvement of a cannabinoid component in the toxic model exerted by QUIN+GA in rat cortical slices and primary neuronal cell cultures...
January 19, 2019: Neuroscience
https://read.qxmd.com/read/30630579/dyskinesia-in-a-child-a-concern-for-a-rare-neuro-metabolic-disorder
#10
Ayesha Hafeez, Safia Fatima, Nayyar Chaudhry, Muhammad Tahir Khadim
A 3-year child is discussed who presented with dyskinesia, large head size, developmental delay, and recurrent infections necessitating multiple hospital admissions. The diagnosis was not made at initial presentation or even after multiple hospital admissions. An organic acidemia was suspected, based on raised ammonia and lactate levels and metabolic acidosis and the diagnosis of glutaric aciduria Type 1 was established by finding markedly elevated levels of glutaric acid and its specific metabolites on urine organic acids analysis by gas chromatography-mass spectrometry, in the setting of specific clinical features...
January 2019: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://read.qxmd.com/read/30612563/a-comprehensive-multiplex-pcr-based-exome-sequencing-assay-for-rapid-bloodspot-confirmation-of-inborn-errors-of-metabolism
#11
Wenjie Wang, Jianping Yang, Jinjie Xue, Wenjuan Mu, Xiaogang Zhang, Wang Wu, Mengnan Xu, Yuyan Gong, Yiqian Liu, Yu Zhang, Xiaobing Xie, Weiyue Gu, Jigeng Bai, David S Cram
BACKGROUND: Tandem mass spectrometry (MS MS) and simple fluorometric assays are currently used in newborn screening programs to detect inborn errors of metabolism (IEM). The aim of the study was to evaluate the clinical utility of exome sequencing as a second tier screening method to assist clinical diagnosis of the newborn. METHODS: A novel PCR-exome amplification and re-sequencing (PEARS) assay was designed and used to detect mutations in 122 genes associated with 101 IEM...
January 6, 2019: BMC Medical Genetics
https://read.qxmd.com/read/30591504/metabolomics-based-discovery-of-serum-biomarkers-to-predict-the-side-effects-of-neoadjuvant-chemoradiotherapy-for-esophageal-squamous-cell-carcinoma
#12
Shin Nishiumi, Seiji Fujigaki, Takashi Kobayashi, Takashi Kojima, Yoshinori Ito, Hiroyuki Daiko, Ken Kato, Hirokazu Shoji, Yuzo Kodama, Kazufumi Honda, Masaru Yoshida
BACKGROUND/AIM: Neoadjuvant chemoradiotherapy has side-effects that adversely affect patients' quality of life. The aim of this study was to identify serum metabolite biomarkers that might be used to predict the side-effects of neoadjuvant chemoradiotherapy for esophageal squamous cell carcinoma (ESCC). PATIENTS AND METHODS: Metabolomic analysis of serum samples from 26 patients with ESCC that were collected before neoadjuvant chemoradiotherapy was performed. The metabolites associated with hematological toxicity or nephrotoxicity were evaluated...
January 2019: Anticancer Research
https://read.qxmd.com/read/30587702/whole-exome-sequencing-reveals-a-novel-mutation-of-mt-nd5-gene-in-a-mitochondrial-cardiomyopathy-pedigree-patients-who-show-biventricular-hypertrophy-hyperlactacidemia-pulmonary-hypertension-and-decreased-exercise-tolerance
#13
Nianwei Zhou, Lu Tang, Yingying Jiang, Shengmei Qin, Jie Cui, Yanan Wang, Wenqing Zhu, Weipeng Zhao, Cuizhen Pan, Xianhong Shu
OBJECTIVE: The aim of the present study was to determine whether pathogenic mutations were present in families with mitochondrial cardiomyopathy that presented during adolescence. METHODS: The proband was a 21-year-old man who presented clinically with palpitations, chest tightness, pulmonary hypertension, and limited exercise tolerance. Cardiac magnetic resonance imaging studies showed biventricular cardiac hypertrophy. We determine whether pathogenic mutations were present by whole-exome sequencing (WES) in families...
January 2019: Anatolian Journal of Cardiology
https://read.qxmd.com/read/30570710/mild-phenotype-of-glutaric-aciduria-type-1-in-polish-patients-novel-data-from-a-group-of-13-cases
#14
Paulina Pokora, Aleksandra Jezela-Stanek, Agnieszka Różdżyńska-Świątkowska, Elżbieta Jurkiewicz, Anna Bogdańska, Edyta Szymańska, Dariusz Rokicki, Elżbieta Ciara, Małgorzata Rydzanicz, Piotr Stawiński, Rafał Płoski, Anna Tylki-Szymańska
Glutaric aciduria type 1 is a neurometabolic disorder, caused by riboflavin-dependent glutaryl-CoA dehydrogenase deficiency. As its consequence, accumulation of the putatively neurotoxic metabolites (glutaric and 3-hydroxyglutaric acids) in body tissues, but especially within the brain, is observed. Estimated incidence of the disease is 1 in 110,000 newborns, The prevalence however may be higher, depending on a specific ethnic group, and result in phenotypic variation as well. In this paper we present clinical data of 13 patients of Polish nationality...
December 20, 2018: Metabolic Brain Disease
https://read.qxmd.com/read/30557010/lanthanoid-heteroleptic-complexes-with-cucurbit-5-uril-and-dicarboxylate-ligands-from-discrete-structures-to-one-dimensional-and-two-dimensional-polymers
#15
Yingjie Zhang, Santosh Panjikar, Kai Chen, Inna Karatchevtseva, Zhu Tao, Gang Wei
Lanthanoid heteroleptic complexes with cucurbit[5]uril {Q[5]} and two dicarboxylate ligands, e.g., diglycolic acid (H2 DGC) and glutaric acid (H2 GT), have been investigated with six new compounds featuring a tetrametallic and dimetallic discrete structures, a one-dimensional (1D) polymer, and three two-dimensional (2D) polymers with a unique honeycomb-type topology being synthesized and structurally characterized. [La4 (Q[5])3 (DGC)2 (NO3 )2 (H2 O)12 ][La(DGC)(H2 O)6 ]·7NO3 · nH2 O (1) has a tetrametallic structure constructed with three bis-bidentate Q[5] ligands linking two [La(DGC)(H2 O)2 ]+ species in the middle and two [La(H2 O)4 (NO3 )]2+ species at both ends...
December 17, 2018: Inorganic Chemistry
https://read.qxmd.com/read/30510944/glutaric-acidemia-type-ii-patient-with-thalassemia-minor-and-novel-electron-transfer-flavoprotein-a-gene-mutations-a-case-report-and-review-of-literature
#16
Neslihan Yildirim Saral, Fehime Benli Aksungar, Cigdem Aktuglu-Zeybek, Julide Coskun, Ozlem Demirelce, Mustafa Serteser
Glutaric acidemia type II (GAII), also known as multiple acyl-CoA dehydrogenase deficiency, is an autosomal recessive inborn error of amino acid and fatty acid metabolism. We report a case of GAII with novel electron transfer flavoprotein (ETF)-A mutations in a 2-year-old female with thalassemia minor. The patient developed an episode of hypoglycemia and hypotonicity on the postnatal first day. Laboratory investigations revealed elevations of multiple acyl carnitines indicating glutaric acidemia type II in newborn screening analysis...
November 26, 2018: World Journal of Clinical Cases
https://read.qxmd.com/read/30483387/serum-based-metabolic-alterations-in-patients-with-papillary-thyroid-carcinoma-unveiled-by-non-targeted-1h-nmr-metabolomics-approach
#17
Reyhaneh Farrokhi Yekta, Mostafa Rezaei Tavirani, Afsaneh Arefi Oskouie, Mohammad Reza Mohajeri-Tehrani, Ahmad Reza Soroush, Alireza Akbarzadeh Baghban
Objectives: As the most prevalent endocrine system malignancy, papillary thyroid carcinoma had a very fast rising incidence in recent years for unknown reasons besides the fact that the current methods in thyroid cancer diagnosis still hold some limitations. Therefore, the aim of this study was to improve the potential molecular markers for diagnosis of benign and malignant thyroid nodules to prevent unnecessary surgeries for benign tumors. Materials and Methods: In this study, 1H-NMR metabolomics platform was used to seek the discriminating serum metabolites in malignant papillary thyroid carcinoma (PTC) compared to benign multinodular goiter (MNG) and healthy subjects and also to better understand the disease mechanisms using bioinformatics analysis...
November 2018: Iranian Journal of Basic Medical Sciences
https://read.qxmd.com/read/30477628/-reye-syndrome-and-sudden-death-symptoms-after-oral-administration-of-nimesulide-due-to-upper-respiratory-tract-infection-in-a-boy
#18
Li-Fang Feng, Xiao-Hong Chen, Dong-Xiao Li, Xi-Yuan Li, Jin-Qing Song, Ying Jin, Yan-Ling Yang
A boy aged 6 years and 3 months developed upper respiratory tract infection and pyrexia 2 months ago and was given oral administration of nimesulide by his parents according to directions. Half an hour later, the boy experienced convulsions and cardiopulmonary arrest, and emergency examination found hypoketotic hypoglycemia, metabolic acidosis, significant increases in serum aminotransferases and creatine kinase, and renal damage. Recovery of consciousness and vital signs was achieved after cardiopulmonary resuscitation, but severe mental and movement regression was observed...
November 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://read.qxmd.com/read/30458104/conformation-dependent-coordination-of-carboxylic-acids-with-fe-3-o-4-nanoparticles-studied-by-atr-ftir-spectral-deconvolution
#19
Xiaorui Zhang, Lan Chen, Li Yuan, Renxiao Liu, Dexing Li, Xiao-Ping Liu, Guanglu Ge
The coordination of valeric acid (VA), glutaric acid (GA) and tricarballylic acid (TA) with Fe-OH on the Fe3 O4 nanoparticle surface has been systematically studied to elucidate the effect of COOH, molecular configuration and ligand concentration on the coordination by the combining use of attenuated total reflectance Fourier transform infrared (ATR-FTIR) and thermogravimetric analysis (TGA). The results show that the binding ability of the acids increases with the increase of the COOH number. Multiple conformations coexist for the dicarboxylic and tricarboxylic acid coordinated on the iron oxide NPs...
November 20, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://read.qxmd.com/read/30451603/two-cases-of-glutaric-aciduria-type-ii-how-to-differentiate-from-inflammatory-myopathies
#20
Meltem Koca, Abdulsamet Erden, Berkan Armagan, Alper Sari, Fatih Yildiz, Sevim Ozdamar, Umut Kalyoncu, Omer Karadag
Muscle weakness is a nonspecific finding of myopathy of any etiology that include iatrogenic, toxic, endocrinological, infectious, immunologic, and metabolic disorders. Among the metabolic myopathies glutaric aciduria type II (GAII) is an autosomal recessively inherited rare disorder of fatty acid and amino acid metabolisms. The late onset form is heterogeneous in terms of symptomatology and severity and for the cases that chronic manifestations of lipid storage myopathy are the only clues for the disease, differential diagnosis can be challenging...
November 19, 2018: Acta Clinica Belgica
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