role of macrophages and microglia in the injured cns
Tài liệu Báo cáo khoa học: Role of K22 and R120 in the covalent binding of the antibiotic fosfomycin and the substrate-induced conformational change in UDP-N-acetylglucosamine enol pyruvyl transferase docx
... enthalpies of binding and stoichiometries were determined from the binding isotherm by fitting a : binding model to the data using the software provided by the manufacturer Results Reaction of fosfomycin ... replacement of R120 by lysine reduces the probability of forming the fully closed form of the protein The results obtained with the K22V/R120K double mutant protein point toward a central role of arginine ... chain of K22 participates in fosfomycin binding, thus providing a rationale for the loss of fosfomycin binding to the K22V and K22E mutant proteins However, two other positively charged amino...
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Báo cáo khoa học: Role of DptE and DptF in the lipidation reaction of daptomycin ppt
... The motif present in DptF is GLDSV, indicating that this putative ACP domain is one of the few ACPs in which valine replaces isoleucine (I) or leucine (L) in the conserved sequence To determine ... carrier proteins (ACPs) [14,15] The genes dptE and dptF are localized immediately upstream of the NRPSs of A21987C The resulting proteins DptE and DptF were predicted to be involved in the lipidation ... Assay Fig In vitro phosphopantetheinylation of apo-DptF and apoAcpK Coomassie blue-stained SDS–PAGE gel (left) and in- gel fluorescence (right) of the fluoresceinyl-ACP (+) indicates the reaction...
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Báo cáo khoa học: The role of ADAM10 and ADAM17 in the ectodomain shedding of angiotensin converting enzyme and the amyloid precursor protein ppt
... ADAM10 and TACE are involved in the shedding of APP, neither ADAM is involved in the shedding of ACE Furthermore we show that APMA can distinguish between the shedding of ACE and APP Materials and ... expressing ACE were transfected with the ASOs and then exposed to APMA and the levels of soluble ACE in the medium examined (Fig 5) APMA caused a twofold increase in the shedding of ACE from the ... ADAM10 and TACE play a role in the a-secretase shedding of APP, neither protease was responsible for the shedding of ACE APMA stimulates the shedding of ACE but not APP The effect of the organomercurial...
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Báo cáo khoa học: "The role of photoperiod and temperature in the induction and the release of dormancy in Pinus sylvestris L. seedlings" potx
... at the start of night prolongation, or 12 wk, an important role in the possibility of the buds to attain a deeper stage of dormancy Only the 12 wk old plants of northern origin had no flushing ... the chilling requirement to break winter dormancy in Scots pine has been stressed (e.g., Wareing, 1951; Vegis, 1965; Sarvas, 1974) In the following,I will use the working definition of dormancy ... (Fig 2) The same was true for the higher temperature 25/15°C compared with 25/5°C Dormancy breaking treatments of and wk had a dramatic influence, hastening the tilushing rate, especially in the...
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Báo cáo y học: "The role of ATP and adenosine in the control of hepatic blood flow in the rabbit liver in vivo" pps
... prosthesis inserted into the portal vein and the inferior vena cava of the in vivo rabbit model Figure Diagram of silastic H-shaped prosthesis inserted into the portal vein and the inferior vena cava of ... relating the readings to the wet weight of the liver, determined at the end of each experiment The "buffering capacity" of the HA was expressed in % as: [Increase in HA flow / Decrease in PV ... occlusion of the portal vein for the insertion of the mesocaval shunt and data from these preparations have therefore not been included Group The effect of intra-portal ATP Livers from another group of...
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Tài liệu Báo cáo khoa học: Neuronal growth-inhibitory factor (metallothionein-3): evaluation of the biological function of growth-inhibitory factor in the injured and neurodegenerative brain pdf
... discovery of a brain-specific MT isoform, GIF, in 1991, sparked considerable interest in understanding the role of all MTs in the brain, and particularly within the injured or diseased brain In the ... studies examining the role of GIF in AD, linked to its initial discovery as a factor deficient in the AD brain There remains no clear consensus on the role of GIF in the pathogenesis of AD, and therefore ... conditions [22] In the traumatically injured brain, however, the synthesis of MT1 and MT2, as well as the synthesis of GIF, are up-regulated by reactive astrocytes in the vicinity of the lesion [23]...
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Tài liệu Báo cáo khoa học: Mitochondrial targeting of intact CYP2B1 and CYP2E1 and N-terminal truncated CYP1A1 proteins in Saccharomyces cerevisiae ) role of protein kinase A in the mitochondrial targeting of CYP2E1 pdf
... confirming the role of endogenous FDX + FDXR in supporting the activity To further confirm the role of endogenous FDX + FDXR in supporting the catalytic activity, we transformed the FDX (Yah1)- and ... mitochondria-targeting signal in the yeast system Mitochondrial localization of intact CYP2E1 in yeast cells Because of the existing ambiguity in the literature on the nature and extent of CYP2E1 import into ... Protein targeting to the microsomes requires the cotranslational insertion of the newly synthesized protein into the microsomal membrane, where the N-terminal hydrophobic signal sequence of the...
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The Role of Savings and Wealth in Reducing ―Wilt‖ between Expectations and College Attendance pdf
... important for explaining wilt In the case of income, youth living in low-income households experience higher levels of wilt (45%) than youth living in either modest-income (35%) or high-income (23%) ... accumulating school savings may have effects apart from financing school Conley (2001) finds that a doubling of net worth results in an 8.3% increase in the probability of attending college Further, ... for their youth Youth savings Youth were asked in 2002 whether they had a savings or bank account in their name If they had an account, they were also asked whether they were saving some of this...
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Báo cáo khoa học: "Examining the Role of Linguistic Knowledge Sources in the Automatic Identification and Classification of Reviews" doc
... (particularly the short ones) have all zeroes in them In other words, none of the bigrams from the training set appears in these reviews This suggests that the main problem with the bigram model ... and E Hovy 2004 Determining the sentiment of opinions In Proc of COLING, pages 1367–1373 M Koppel and J Schler 2005 Using neutral examples for learning polarity In Proc of IJCAI (poster) D Lin ... relation is capturing two different situations, one in which the author himself likes the movie, and in the other, the author’s cousin likes the movie The overgeneralization resulting from these “stemmed”...
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Báo cáo khoa học: Membrane compartments and purinergic signalling: the role of plasma membrane microdomains in the modulation of P2XR-mediated signalling pot
... regions within the bulk of fluid membrane and which are enriched in cholesterol and (glycero-)sphingolipids In addition the fatty acid chains of the phospholipids composing these rigid domains are ... than those in the lipids of the surrounding membrane In fact, this fatty acid composition favors a tighter packing of phospholipids and cholesterol, increasing the rigidity of these domains [32–35] ... implications of this subfamily of receptors in cellular signalling make them attractive therapeutic targets The coupling between stimulation of the P2X receptor and the generation of intracellular...
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Báo cáo khoa học: Tertiary structure in 7.9 M guanidinium chloride ) the role of Glu53 and Asp287 in Pyrococcus furiosus endo-b-1,3-glucanase pot
... role in protein stability [8], and their involvement in interactions with cations offers new perspective in the analysis of the contribution of ions as cofactors in protein folding [38] and in ... those observed for the wild-type, indicating the involvement of Glu53 and Asp287 in the interaction with the cation (Fig 1E,F) The regain of aromatic chirality at 295 nm and in the 260270 nm region ... [2] The solid lines through the mutants unfolding data points (lled symbols) are intended to guide the eye of the reader and not represent the tting of the data Reversibility points are indicated...
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Báo cáo khóa học: The role of N-linked glycosylation in the protection of human and bovine lactoferrin against tryptic proteolysis pdf
... site of the N-terminal lobe of human and bovine lactotransferrins Importance of the glycan moiety and of the non–covalent interactions between the N- and C-terminal lobes in the stability of the ... trypsin and chymotrypsin on the in vitro antimicrobial and iron-binding properties of lactoferrin in human milk and bovine colostrum Unusual resistance of human apolactoferrin to proteolytic digestion ... lactoferrin where the protein has to survive the harsh environment of the gastrointestinal tract Thus, on the basis of this study, rhLF may be preferred over bLF in oral applications of lactoferrins in...
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báo cáo sinh học:" The role of nurses and midwives in polio eradication and measles control activities: a survey in Sudan and Zambia" pdf
... facility level in Zambia served in the capacity of district managers of health programmes The finding that the nurses in Sudan were less involved in planning of activities (15.2% in polio and in measles) ... measles Roles of nurses and midwives in SIAs for polio and measles The involvement of the nurses and midwives in activities related to polio and measles SIAs is presented in Table In general, the ... midwives in the expanded programme on immunization Study objectives The objectives of this study were to document the roles, functions and contribution of nurses and midwives in the delivery of routine...
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báo cáo hóa học: " Maximal COX-2 and ppRb expression in neurons occurs during early Braak stages prior to the maximal activation of astrocytes and microglia in Alzheimer''''s disease" pdf
... emerging data on the early role of oligomeric and protofibrilic forms of Aβ in AD is very interesting [25,26] Whether COX-2 and cell cycle proteins are part of the molecular mechanisms involved in ... death [13] These in vitro findings indicate that the activation of microglia may play an important role in the expression of COX-2 and cell cycle proteins in neurons Post mortem as well as in vivo ... and quantification of the immunohistochemical data RV has been involved in the collection of the human post mortem brain material TA, WS, PE and AJMR participated in the design of the study and...
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Báo cáo y học: "Differential binding of chemokines to macrophages and neutrophils in the human inflamed synovium" pps
... RA synovium into tissue microcompartments and fluid The finding that the proportion and percentage of chemokine binding sites on macrophages increases in the inflamed intima of RA and non-RA synovia ... differences in the percentage of chemokine-positive cells in inflamed regions of the RA and non-RA intima However, there were fewer CXCL8 positive cells in the inflamed RA intima than in the inflamed ... numbers The binding of CCL2, CCL3, CCL5 and CXCL8 to macrophages and CXCL8 binding to neutrophils suggests that these receptors may be involved in signaling the migration of the phagocytes through the...
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Báo cáo y học: "The role of pleiotrophin and β-catenin in fetal lung development" doc
... [66] The binding of PTN with syndecan-3 induces neurite outgrowth of embryonic neurons [67] Heparitinase, which cleaves the heparin sulfate chain and disrupts the binding of PTN, inhibits PTN-induced ... tips It binds to the FGFR2b on the epithelial cells and transmits a signal to induce the initiation of the lung bud [17-22] Recombinant FGF10 alone can induce budding in the lung epithelial explants ... and ciliated epithelial cells in the adult lung [11] HFH-4 induces the expression of βtubulin IV in the pseudoglandular stage, and promotes the differentiation of ciliated epithelial cells Other...
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Báo cáo y học: "α The role of anti-α-actinin antibodies in the pathogenesis and monitoring of lupus nephritis" pot
... polymorphisms in MRL-lpr lupus mice and that enhanced expression of α-actinin may determine the extent of antibody deposition [10] These observations, together with the demonstration that α-actinin immunization ... anti-α-actinin antibodies in lupus patients was associated with a 2.5-fold increase in the prevalence of LN [14] Finally, levels of anti-α-actinin antibodies correlated with those of anti-DNA ... anti-α-actinin antibodies How can the discrepancies between these disappointing results and the previous studies be explained? No doubt, a longitudinal design is important, although the number of patients...
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Báo cáo y học: " The role of surfactant protein D in the colonisation of the respiratory tract and onset of bacteraemia during " doc
... pneumococci in the blood and in limiting their numbers in the bloodstream SP-D binds and agglutinates S pneumoniae in the presence of calcium and is thought to enhance mucociliary and phagocytic ... pneumococci in the blood of both strains of mice reflected their levels in the lung These results strongly suggest that lung surfactant protein D plays an important role in delaying the appearance of ... strains, increased recruitment of neutrophils into inflamed areas of lung tissue was detected within the bronchiolar lumen, in the bronchiole wall and also in the perivascular areas within the...
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Tasks in action in Vietnamese EFL high school classrooms- The role of rehearsal and performance in teaching and learning through oral tasks
... in my research for their generous time and trust I sincerely thank the Department of Education and Training, the Head of the school and teaching staff of the school back home in Vietnam for their ... on the role of feedback (see Mackey, 2007, 2012 for recent reviews), again providing evidence in support of the output hypothesis Drawing on the roles of input, interaction, and output, the interaction ... (p.17) In this way, the ZPD is different from the i+1 input in Krashen’s input hypothesis in that the former emphasises the role of the learner as agent, and co-construction while the latter the role...
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The role of CD8 t cells in the differentiation of TNF iNOS producing dendritic cells and TH1 responses
... which, in the living state in vitro, are continually elongating, retracting, and reorienting themselves, leading to a wide variety of cell shapes (Steinman and Cohn, 1973) Thereafter, the 23 ... enhances the bactericidal activity of macrophages during the early phases of infection (Gazzinelli et al., 1994) It also plays an important role by activating bystander resting T cells and maintaining ... recognizing such cells would then release cytotoxic granules resulting in the killing of 39 Chapter 1: Introduction these infected cells Under these circumstances, the dying cells, CD8 T-cells and other...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu