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https://www.readbyqxmd.com/read/28441767/inhibitory-effect-of-triterpenoids-from-panax-ginseng-on-coagulation-factor-x
#1
Lingxin Xiong, Zeng Qi, Bingzhen Zheng, Zhuo Li, Fang Wang, Jinping Liu, Pingya Li
Enzymes involved in the coagulation process have received great attention as potential targets for the development of oral anti-coagulants. Among these enzymes, coagulation factor Xa (FXa) has remained the center of attention in the last decade. In this study, 16 ginsenosides and two sapogenins were isolated, identified and quantified. To determine the inhibitory potential on FXa, the chromogenic substrates method was used. The assay suggested that compounds 5, 13 and 18 were mainly responsible for the anti-coagulant effect...
April 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28431612/xeroderma-pigmentosum-complementation-group-f-a-rare-cause-of-cerebellar-ataxia-with-chorea
#2
G Carré, C Marelli, M Anheim, C Geny, M Renaud, H R Rezvani, M Koenig, C Guissart, C Tranchant
The complementation group F of Xeroderma pigmentosum (XP-F) is rare in the Caucasian population, and usually devoid of neurological symptoms. We report two cases, both Caucasian, who exhibited progressive cerebellar ataxia, chorea, a mild subcortical frontal cognitive impairment, and in one case severe polyneuropathy. Brain MRI demonstrated cerebellar (2/2) and cortical (1/2) atrophy. Both patients had only mild sunburn sensitivity and no skin cancer. Mini-exome sequencing approach revealed in ERCC4, two heterozygous mutations, one of which was never described (c...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28420850/alert-regarding-cisplatin-induced-severe-adverse-events-in-cancer-patients-with-xeroderma-pigmentosum
#3
Makoto Sumiyoshi, Hiroshi Soda, Noriaki Sadanaga, Hirokazu Taniguchi, Takaya Ikeda, Hiroshi Maruta, Yosuke Dotsu, Daiki Ogawara, Yuichi Fukuda, Hiroshi Mukae
Xeroderma pigmentosum (XP) is a genetic disease in which DNA repair mechanisms are impaired. Cisplatin (CDDP) exerts cytotoxic effects by forming mainly intrastrand DNA cross-links, and sensitivity to CDDP depends on the DNA repair system. Several in vitro studies have suggested that treatment with CDDP may cause enhanced adverse events as well as anti-tumor activity in cancer patients with XP. This article is the first to describe two cancer patients with XP showing severe adverse events following CDDP-based chemotherapy...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28420705/synthesis-of-neutral-ether-lipid-monoalkyl-diacylglycerol-madag-by-lipid-acyltransferases
#4
Zhengping Ma, Joelle M Onorato, Luping Chen, David W Nelson, Chi-Liang Eric Yen, Dong Cheng
In mammals, ether lipids exert a wide spectrum of signaling and structural functions such as stimulation of immune responses, anti-tumor activities and enhancement of sperm functions. Abnormal accumulation of monoalkyl-diacylglycerol (MADAG) was found in Wolman disease, a human genetic disorder defined by a deficiency in lysosomal acid lipase. In the current study, we found that among the 9 recombinant human lipid acyltransferases examined, DGAT1, DGAT2, MGAT2, MGAT3, AWAT2/MFAT and DC3 were able to use 1-monoalkylglycerol (1-MAkG) as an acyl acceptor for the synthesis of monoalkyl-monoacylglycerol (MAMAG)...
April 18, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28413448/genetic-and-epigenetic-characterization-of-the-tumors-in-a-patient-with-a-tongue-primary-tumor-a-recurrence-and-a-pharyngoesophageal-second-primary-tumor
#5
Ilda P Ribeiro, Francisco Marques, Leonor Barroso, Jorge Miguéis, Francisco Caramelo, André Santos, Maria J Julião, Joana B Melo, Isabel M Carreira
BACKGROUND: The choice of therapeutic modality for oral carcinoma in recurrent or second primary tumors remains controversial, as the treatment modalities available might be reduced by the treatment of the first tumor, and the overall survival is lower when compared with patients with a single or first tumor. Identifying biomarkers that predict the risk of relapse and the response to treatment is an emerging clinical issue. CASE PRESENTATION: A Caucasian 49-years-old man was treated with chemotherapy followed by chemoradiotherapy for a primary left side tongue tumor, achieving a complete response...
2017: Molecular Cytogenetics
https://www.readbyqxmd.com/read/28393778/safety-and-efficacy-of-ketamine-dexmedetomidine-versus-ketamine-propofol-combinations-for-sedation-in-patients-after-coronary-artery-bypass-graft-surgery
#6
Mona Mohamed Mogahd, Mohammed Shafik Mahran, Ghada Foad Elbaradi
BACKGROUND AND AIMS: Prolonged mechanical ventilation after cardiac surgery is associated with serious complications that increase morbidity and mortality. The present study was designed to compare ketamine-propofol (KP) and ketamine-dexmedetomidine (KD) combinations for sedation and analgesia in patients after coronary artery bypass graft (CABG) surgery as regards hemodynamics, total fentanyl dose, time of weaning from mechanical ventilation, time of extubation, and any adverse outcome...
April 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28393677/in-silico-high-throughput-virtual-screening-and-molecular-dynamics-simulation-study-to-identify-inhibitor-for-adeabc-efflux-pump-of-acinetobacter-baumannii
#7
Privita Verma, Monalisa Tiwari, Vishvanath Tiwari
Emergence of multi-drug resistant strains of Acinetobacter baumannii has caused significant health problems and is responsible for high morbidity and mortality. Overexpression of AdeABC efflux system is one of the major mechanisms. In this study, we have focused on overcoming the drug resistance by identifying inhibitors that can effectively bind and inhibit integral membrane protein, AdeB of this efflux pump. We performed homology modeling to generate structure of AdeB using MODELLER v9.16 followed by model refinement using 3D-Refine tool and validated using PSVS, ProsaWeb, ERRAT etc...
April 10, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28385443/effectiveness-of-high-power-leds-to-polymerize-resin-cements-through-ceramics-an-in%C3%A2-vitro-study
#8
André L Faria-E-Silva, Carmem S Pfeifer
STATEMENT OF PROBLEM: The cementation of ceramic veneers using light-polymerized resin cement is largely dependent on the proper light activation of the cement. Light activation using high irradiance could shorten the time required to lute multiple restorations. PURPOSE: The purpose of this in vitro study was to evaluate the light transmission of dental light-polymerizing units through ceramic cylinders and its effect on the polymerization kinetics of a resin cement...
April 3, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28379671/ten-cases-with-46-xx-testicular-disorder-of-sex-development-single-center-experience
#9
Emre Can Akinsal, Numan Baydilli, Abdullah Demirtas, Cetin Saatci, Oguz Ekmekcioglu
OBJECTIVE: To present clinical, chromosomal and hormonal features of ten cases with SRY-positive 46,XX testicular disorder of sex development who were admitted to our infertility clinic. CASES AND METHODS: Records of the cases who were admitted to our infertility clinic between 2004 and 2015 were investigated. Ten 46,XX testicular disorder of sex development cases were detected. Clinical, hormonal and chromosomal assessments were analized. RESULTS: Mean age at diagnosis was 30...
April 6, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28376890/xeroderma-pigmentosum-cockayne-syndrome-complex
#10
REVIEW
Valerie Natale, Hayley Raquer
Xeroderma pigmentosum-Cockayne syndrome complex is a very rare multisystem degenerative disorder (Orpha: 220295; OMIM: 278730, 278760, 278780, 610651). Published information on XP-CS is mostly scattered throughout the literature. We compiled statistics related to symptom prevalence in XP-CS and have written a clinical description of the syndrome. We also drew on clinical practices used in XP and in Cockayne syndrome without XP to aid management of XP-CS.Extensive searches of the literature identified 43 XP-CS patients...
April 4, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28374274/bilateral-extensive-nodular-xanthelasma-palpebrarum-an-infrequent-case-report
#11
Pei Wang, Qingli Luo, Li Tang
PURPOSE: To report a rare case of extensive bilateral xanthelasma palpebrarum (XP). A 70-year-old man presented with nodular lesions of his eyelids for 12 years. The skin changes began with his left lower eyelid and progressively spread to both lateral-inferior and infero-medial periorbital areas. The lesions were yellow nodules that were hard, extensive, multiple and coalescent. METHOD: The tumors of this patient's eyelids underwent resection and tissue was processed for light microscopic examination...
April 3, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28363991/regulatory-phosphorylation-of-bacterial-type-pep-carboxylase-by-the-ricinus-kinase-cdpk1
#12
Sheng Ying, Allyson T Hill, Michal Pyc, Erin A Anderson, Wayne A Snedden, Robert T Mullen, Yi-Min She, William C Plaxton
Phosphoenolpyruvate carboxylase (PEPC) is a tightly controlled cytosolic enzyme situated at a crucial branch point of central plant metabolism. In developing castor oil seeds (COS) (Ricinus communis) a novel, allosterically-desensitized 910-kD Class-2 PEPC hetero-octameric complex arises from a tight interaction between 107-kD plant-type PEPC and 118-kD bacterial-type (BTPC) subunits. The native Ca2+-dependent protein kinase (CDPK) responsible for in vivo inhibitory phosphorylation of Class-2 PEPC's BTPC subunit's at Ser-451 was highly purified from COS and identified as RcCDPK1 (XP_002526815) by mass spectrometry...
March 31, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28346490/effect-of-hiv-and-malaria-parasites-co-infection-on-immune-hematological-profiles-among-patients-attending-anti-retroviral-treatment-art-clinic-in-infectious-disease-hospital-kano-nigeria
#13
Feyisayo Ebenezer Jegede, Tinuade Ibijoke Oyeyi, Surajudeen Abiola Abdulrahman, Henry Akwen Mbah, Titilope Badru, Chinedu Agbakwuru, Oluwasanmi Adedokun
BACKGROUND: Human immunodeficiency virus (HIV) and malaria co-infection may present worse health outcomes in the tropics. Information on HIV/malaria co-infection effect on immune-hematological profiles is critical for patient care and there is a paucity of such data in Nigeria. OBJECTIVE: To evaluate immune-hematological profiles among HIV infected patients compared to HIV/malaria co-infected for ART management improvement. METHODS: This was a cross sectional study conducted at Infectious Disease Hospital, Kano...
2017: PloS One
https://www.readbyqxmd.com/read/28324661/improved-risk-stratification-in-pediatric-septic-shock-using-both-protein-and-mrna-biomarkers-persevere-xp
#14
Hector R Wong, Natalie Z Cvijanovich, Nick Anas, Geoffrey L Allen, Neal J Thomas, Michael T Bigham, Scott L Weiss, Julie C Fitzgerald, Paul A Checchia, Keith Meyer, Michael Quasney, Mark Hall, Rainer Gedeit, Robert J Freishtat, Jeffrey Nowak, Shekhar S Raj, Shira Gertz, Jocelyn R Grunwell, Christopher J Lindsell
RATIONALE: We previously derived and validated the Pediatric Sepsis Biomarker Risk Model (PERSEVERE) to estimate baseline mortality risk in children with septic shock. The PERSEVERE biomarkers are serum proteins, selected from among the proteins directly related to 80 mortality risk assessment genes. The initial approach to selecting the PERSEVERE biomarkers left 68 genes unconsidered. OBJECTIVE: Determine if the 68 previously unconsidered genes can improve upon the performance of PERSEVERE and provide biological information regarding the pathophysiology of septic shock...
March 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28316592/influence-of-stress-factors-related-to-cheese-making-process-and-to-stec-detection-procedure-on-the-induction-of-stx-phages-from-stec-o26-h11
#15
Ludivine Bonanno, Benjamin Delubac, Valérie Michel, Frédéric Auvray
Shiga toxin-producing Escherichia coli (STEC) are responsible for human infections, ranging from mild watery diarrhea to hemorrhagic colitis (CH) that may be complicated by hemolytic uremic syndrome (HUS). The main STEC virulence factor is Shiga toxin encoded by the stx gene, located in the genome of a bacteriophage integrated into the bacterial chromosome. The serotype O26:H11 is the second HUS-causing serotype worldwide (after O157:H7), and the first found in dairy products such as raw-milk cheeses. A small number of HUS cases identified each year in France are caused by serotype O26:H11...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28303362/phase-i-ii-study-of-a-combination-of-capecitabine-cisplatin-and-intraperitoneal-docetaxel-xp-id-in-advanced-gastric-cancer-patients-with-peritoneal-metastasis
#16
Hyungwoo Cho, Min-Hee Ryu, Kyu-Pyo Kim, Baek-Yeol Ryoo, Sook Ryun Park, Bum Soo Kim, In-Seob Lee, Hee-Sung Kim, Moon-Won Yoo, Jeong Hwan Yook, Seong Tae Oh, Byung Sik Kim, Yoon-Koo Kang
BACKGROUND: This study was conducted to determine the recommended dose (RD) of intraperitoneal docetaxel (ID) in combination with systemic capecitabine and cisplatin (XP) and to evaluate its efficacy and safety at the RD in advanced gastric cancer (AGC) patients with peritoneal metastasis. METHODS: AGC patients with peritoneal metastasis received XP ID, which consists of 937.5 mg/m(2) of capecitabine twice daily on days 1-14, 60 mg/m(2) of intravenous cisplatin on day 1, and intraperitoneal docetaxel at 3 different dose levels (60, 80, or 100 mg/m(2)) on day 1, every 3 weeks...
March 16, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28300961/vocabulary-of-preschool-children-with-typical-language-development-and-socioeducational-variables
#17
Thaís Cristina da Freiria Moretti, Rita Cristina Sadako Kuroishi, Patrícia Pupin Mandrá
Purpose: To investigate the correlation between age, socioeconomic status (SES), and performance on emissive and receptive vocabulary tests in children with typical language development. Methods: The study sample was composed of 60 preschool children of both genders, aged 3 years to 5 years 11 months, with typical language development divided into three groups: G I (mean age=3 years 6 months), G II (mean age=4 years 4 months) and G III (mean age=5 years 9 months)...
March 9, 2017: CoDAS
https://www.readbyqxmd.com/read/28297142/vismodegib-therapy-for-basal-cell-carcinoma-in-an-8-year-old-chinese-boy-with-xeroderma-pigmentosum
#18
Douglas Fife, Marko A Laitinen, David J Myers, Pamela B Landsteiner
Vismodegib is an oral inhibitor of the Hedgehog signaling pathway and has been used to treat basal cell carcinoma (BCC) in adults. This article reports clearance of a nodular BCC of the nasal tip in an 8-year-old boy with xeroderma pigmentosum (XP). BCC can pose therapeutic challenges when located in areas that are not amenable to traditional therapies such as Mohs micrographic surgery or topical agents. Vismodegib was used at a dose of 150 mg/day to treat the boy's BCC. After 4 months of therapy, we achieved complete clinical clearance...
March 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28296290/game-xp-action-games-as-experimental-paradigms-for-cognitive-science
#19
Wayne D Gray
Why games? How could anyone consider action games an experimental paradigm for Cognitive Science? In 1973, as one of three strategies he proposed for advancing Cognitive Science, Allen Newell exhorted us to "accept a single complex task and do all of it." More specifically, he told us that rather than taking an "experimental psychology as usual approach," we should "focus on a series of experimental and theoretical studies around a single complex task" so as to demonstrate that our theories of human cognition were powerful enough to explain "a genuine slab of human behavior" with the studies fitting into a detailed theoretical picture...
March 13, 2017: Topics in Cognitive Science
https://www.readbyqxmd.com/read/28279821/targeting-the-dengue-%C3%AE-og-with-serotype-specific-alkaloid-virtual-leads
#20
Aditi Gangopadhyay, Hirak Jyoti Chakraborty, Abhijit Datta
The dengue envelope β-OG pocket is a crucial hinge for mediating virus-host fusion via conformational changes in the envelope to the fusion-competent form. The β-OG pocket is a small molecule target site for inhibition of virus-host fusion. As of date, the only structure of the β-OG pocket known is of serotype 2. Studies of β-OG inhibition by small molecules primarily target viral serotype 2. Envelope and β-OG sequence alignments, reveal dissimilarities across serotypes. In light of protein sequence-structure-function correlation, sequence variations suggest serotypic variations in β-OG druggability...
May 2017: Journal of Molecular Graphics & Modelling
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