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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Physiology and pathophysiology of central adenosine A1 and A2A receptors /

Halldner Henriksson, Linda, January 2003 (has links)
Diss. (sammanfattning) Stockholm : Karol. inst., 2003. / Härtill 8 uppsatser.
12

Modulation by extracellular ATP of delayed rectifier potassium currents of guinea-pig single sinoatrial nodal cells.

January 1999 (has links)
Lau Chui Pik. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1999. / Includes bibliographical references (leaves 104-122). / Abstracts in English and Chinese. / Chapter Chapter 1 --- --- Introduction --- p.1 / Chapter 1.1 --- Importance of sinoatrial node in heart functions --- p.3 / Chapter 1.2 --- The importance of Adenosine 5'-triphosphate (ATP) --- p.5 / "ATP as a neurotransmitter, cotransmitter and neuromodulator" --- p.5 / Role of ATP in the heart --- p.7 / Chapter 1.3 --- Importance of delayed rectifier potassium channels (Ik) in the heart --- p.9 / Delayed rectifier potassium channel --- p.10 / Properties of Ik channels in the sinoatrial nodal (SAN)cells --- p.11 / Importance of Ik on heart function --- p.14 / Chapter 1.4 --- Drug/hormone/neurotransmitter modulation of Ik --- p.15 / Drugs modulations of Ik --- p.15 / Hormones/neurotransmitters modulations of Ik --- p.18 / Chapter 1.5 --- Problems encountered in using extracellular ATP on experiments --- p.23 / Chapter 1.6 --- Classification of P2-purinergic receptors --- p.24 / Major nucleotide receptors --- p.24 / p2X receptors --- p.26 / p2Y receptors --- p.28 / 1.7Objectives of the experiment --- p.30 / Chapter Chapter 2 --- --- Materials & Methods --- p.31 / Chapter 2.1 --- Materials --- p.32 / Chapter 2.1.1 --- Solutions --- p.32 / Chapter 2.1.2 --- Enzymes --- p.34 / Chapter 2.1.3 --- Drugs --- p.34 / Chapter 2.2 --- Methods --- p.35 / Chapter 2.2.1 --- Isolation of guinea pig SAN cells --- p.35 / Chapter 2.2.2 --- Identification of SAN region --- p.36 / Chapter 2.2.3 --- Obtaining of single SAN cells --- p.38 / Chapter 2.2.4 --- Preparation of micro-pipettes --- p.40 / Chapter 2.2.5 --- The Patch Clamp Technique --- p.40 / Recording configurations --- p.41 / Electrical recordings --- p.44 / Formation of gigaseal on cell membrane and the development of whole-cell configuration --- p.45 / The changing of bathing solution and addition of drugs --- p.46 / The voltage clamp protocol --- p.47 / Data acquisition and analysis --- p.48 / Statistics --- p.48 / Chapter Chapter 3 --- --- Results --- p.49 / Chapter 3.1 --- The modulatory effect of different concentrations of [ATP]0 on IKs in guinea pig SAN cells --- p.50 / Chapter 3.1.1 --- Characterization of IKs currents --- p.50 / Chapter 3.1.2 --- Stimulatory effect of extracellular A TP on IKs current --- p.51 / Chapter 3.1.3 --- Current-Voltage relationship of ATP on IKs current --- p.57 / Chapter 3.1.4 --- Percentage increase of IKs current in the presence of different [ATP] o --- p.63 / Chapter 3.2 --- Investigation on whether the enhancement effect on IKs is due to ATP or its metabolite adenosine --- p.71 / Chapter 3.2.1 --- Effect of 100 μMATP-γS and adenosine on IKs --- p.71 / Chapter 3.2.2 --- Percentage increase of IKs in the presence of adenosine and ATP-γS --- p.76 / Chapter 3.3 --- Investigation on whether or not G-protein signalling pathway involved in ATP-mediated response on SAN IKs --- p.80 / Chapter 3.3.1 --- Effects of GTP-γS alone on IKs --- p.80 / Chapter 3.3.2 --- Effect of 100 μM ATP in the presence of GTP-yS on IKs --- p.83 / Chapter Chapter 4 --- --- Discussion --- p.86 / Chapter 4.1 --- The modulatory effect of different concentrations of [ATP]0 on IKs in guinea pig SAN cells --- p.87 / Chapter 4.2 --- Investigation on whether the enhancement effect on IKs is due to ATP or its metabolite adenosine --- p.92 / Chapter 4.3 --- Investigation on whether or not G-protein signalling pathway involved in ATP-mediated response on SAN IKs --- p.97 / Chapter 4.4 --- Limitations of this study --- p.102 / Chapter 4.5 --- Future studies --- p.102 / Chapter Chapter 5 --- --- References --- p.104
13

The simultaneous measurement of nucleotide-stimulated cytosolic calcium signaling and anion secretion in cultured equine sweat gland epithelium.

January 2000 (has links)
Wong Hau Yan Connie. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references (leaves 86-95). / Abstracts in English and Chinese. / Abstract --- p.ii / Acknowledgements --- p.ix / Contents --- p.x / List of Figures --- p.xiii / List of Tables --- p.xv / Abbreviations --- p.xvi / Chapter Chapter 1: --- Introduction / Chapter 1.1 --- Role of extracellular nucleotides in equine sweat gland epithelial cells --- p.1 / Chapter 1.2 --- Subdivision of P1 and P2 purinoceptor --- p.4 / Chapter 1.3 --- General properties of P2 purinoceptor --- p.5 / Chapter 1.3.1 --- P2X purinoceptor family --- p.5 / Chapter 1.3.2 --- P2Y purinoceptor family --- p.8 / Chapter 1.4 --- The diversity of P2Y purinoceptor --- p.10 / Chapter 1.4.1 --- P2Y1 receptor --- p.10 / Chapter 1.4.2 --- P2Y2 receptor --- p.10 / Chapter 1.4.3 --- P2Y4 receptor --- p.10 / Chapter 1.4.4 --- P2Y6 receptor --- p.10 / Chapter 1.4.5 --- P2Y11 receptor --- p.11 / Chapter 1.5 --- The importance of calcium --- p.13 / Chapter 1.6 --- General aspects of calcium signaling --- p.14 / Chapter 1.7 --- Calcium release from the intracellular calcium stores --- p.15 / Chapter 1.7.1 --- Metabolism of inositol phosphates --- p.15 / Chapter 1.7.2 --- Ca2+ release from the internal calcium store --- p.15 / Chapter 1.8 --- Store-operated calcium channels (SOCC) or Capacitative calcium entry (CCE) --- p.18 / Chapter 1.8.1 --- The nature of the signal for CCE --- p.18 / Chapter 1.8.1.1 --- Conformational coupling --- p.18 / Chapter 1.8.1.2 --- Diffusible messenger --- p.21 / Chapter 1.9 --- Mechanism of intracellular calcium measurement --- p.25 / Chapter 1.10 --- Background of E92/3 cell line --- p.28 / Chapter Chapter 2: --- Materials and methods --- p.29 / Chapter 2.1 --- Cell culture --- p.29 / Chapter 2.2 --- Preparation of the simultaneous measurement --- p.31 / Chapter 2.2.1 --- Cell seeding --- p.31 / Chapter 2.2.2 --- Dye loading --- p.33 / Chapter 2.3 --- The setup of simultaneous measurement --- p.36 / Chapter 2.4 --- Statistical analysis --- p.40 / Chapter Chapter 3: --- Results --- p.41 / Chapter 3.1 --- Major domain of Ca2+ influx is from the basolateral side --- p.41 / Chapter 3.1.1 --- Effect of store depletion by apical ATP --- p.41 / Chapter 3.1.2 --- Effect of store depletion by basolateral ATP --- p.43 / Chapter 3.1.3 --- Effect of store depletion by thapsigargin --- p.47 / Chapter 3.2 --- Differential effect of apical and basolateral nucleotides on [Ca2+]i and Isc --- p.51 / Chapter 3.2.1 --- Basolateral ATP activates an increase in [Ca2+]i but not Isc --- p.51 / Chapter 3.2.2 --- Apical and basolateral ATP activated distinct but partially overlapped internal Ca2+ pool --- p.51 / Chapter 3.2.3 --- "Dose-dependent effect of apical or basolateral ATP, UDP and UTP on [Ca2+]i i and Isc" --- p.54 / Chapter 3.3 --- P2Y receptors subtypes on the basolateral membrane --- p.60 / Chapter 3.3.1 --- "Possible involvement of P2X, P2Y1 and P2Y11 purinoceptors on the basolateral membrane" --- p.60 / Chapter 3.3.2 --- "Cross-desensitization of experiments of UTP, ATP and UDP" --- p.60 / Chapter 3.4 --- The ATP-activated Ca2+ pool and thapsigargin-activated Ca2+ pool are partially overlapped --- p.68 / Chapter 3.5 --- Anion secretion activated by Ca2+ -independent pathway --- p.74 / Chapter Chapter 4: --- Discussion --- p.76 / Chapter 4.1 --- The major membrane for the CCE is from the basolateral side --- p.76 / Chapter 4.2 --- Basolateral P2Y receptors --- p.80 / Chapter 4.3 --- Differential effects of apical and basolateral ATP --- p.82 / Chapter 4.3.1 --- Apical and basolateral ATP release Ca2+ from different pools --- p.83 / Chapter 4.3.2 --- Ca2+ -independent mechanism --- p.83 / Chapter 4.3.3 --- Other potential signaling molecules --- p.84 / Chapter Chapter 5: --- Reference --- p.86
14

Thrombin/ADP-induced platelet activation and drug intervention /

Nylander, Sven, January 2005 (has links) (PDF)
Diss. (sammanfattning) Linköping : Univ., 2005. / Härtill 5 uppsatser.
15

Salivary gland P2 nucleotide receptors structure and function studies /

Landon, Linda A. Neighbors January 1998 (has links)
Thesis (Ph. D.)--University of Missouri--Columbia, 1998. / Typescript. Vita. Includes bibliographical references (leaves: 145-165). Also available on the Internet.
16

P2 nucleotide receptors during postnatal development of rat salivary glands

Park, Minjung Kang, January 1999 (has links)
Thesis (Ph. D.)--University of Missouri--Columbia, 1999. / Typescript. Vita. Includes bibliographical references (leaves 108-124). Also available on the Internet.
17

Salivary gland P2 nucleotide receptors structure and function studies /

Landon, Linda A. Neighbors January 1998 (has links)
Thesis (Ph. D.)--University of Missouri--Columbia, 1998. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
18

Salivary gland P2 nucleotide receptors structure and function studies /

Landon, Linda A. Neighbors January 1998 (has links)
Thesis (Ph. D.)--University of Missouri--Columbia, 1998. / Includes bibliographical references.
19

Purinergic proliferation of coronary smooth muscle : receptor cloning, up-regulation and signaling /

Shen, Jianzhong, January 2005 (has links)
Thesis (Ph. D.)--University of Missouri--Columbia, 2005. / "July 2005." Typescript. Vita. Includes bibliographical references (leaves 152-167). Also issued on the Internet.
20

Underlying purinergic signaling important for monocilium-dependent signaling in ductal epithelia : implications for polycystic kidney disease

Hovater, Michael January 2006 (has links) (PDF)
Thesis (M.S.)--University of Alabama at Birmingham, 2006. / Title from first page of PDF file (viewed on June 30, 2007). Includes bibliographical references (p. 69-73).

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