17,350 research outputs found

    Impaired neural development in a zebrafish model for lowe syndrome

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    Lowe syndrome, which is characterized by defects in the central nervous system, eyes and kidneys, is caused by mutation of the phosphoinositide 5-phosphatase OCRL1. The mechanisms by which loss of OCRL1 leads to the phenotypic manifestations of Lowe syndrome are currently unclear, in part, owing to the lack of an animal model that recapitulates the disease phenotype. Here, we describe a zebrafish model for Lowe syndrome using stable and transient suppression of OCRL1 expression. Deficiency of OCRL1, which is enriched in the brain, leads to neurological defects similar to those reported in Lowe syndrome patients, namely increased susceptibility to heat-induced seizures and cystic brain lesions. In OCRL1-deficient embryos, Akt signalling is reduced and there is both increased apoptosis and reduced proliferation, most strikingly in the neural tissue. Rescue experiments indicate that catalytic activity and binding to the vesicle coat protein clathrin are essential for OCRL1 function in these processes. Our results indicate a novel role for OCRL1 in neural development, and support a model whereby dysregulation of phosphoinositide metabolism and clathrin-mediated membrane traffic leads to the neurological symptoms of Lowe syndrome. © The Author 2011. Published by Oxford University Press. All rights reserved

    Guidebook for Pre-conference North Island Field Trip A1 ‘Ashes to Issues’, 28-30 November, 2008

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    Welcome to New Zealand or Aotearoa – „Land of the long lingering day [twilight]‟ – and to our three-day pre-conference North Island field trip „Ashes and Issues‟. We trust your stay in New Zealand is both informative and friendly and there is something for everyone on the trip. The itinerary in brief and a map of the North Island showing the main scientific stops are shown above. At the time of guidebook preparation, we have a group of 23, including four students, on the tour with participants from Japan, Taiwan, USA, UK, Australia and New Zealand. The tour leaders are Prof David Lowe (Univ. of Waikato, Hamilton) and Dr Haydon Jones (Scion Research, Rotorua). Assistant leader is Prof Paul McDaniel (Univ. of Idaho, Moscow), on leave at the Univ. of Waikato July-December, 2008. We offer a warm welcome to you all. Because we have considerable distances to travel (especially Day 3), as well as a range of stops planned, we will need to leave the hotel at 8.00 am each day

    Sichuan (China), lakes on the saddle below mountains

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    Lakes on the Hai-Tze-Shan saddle below Djara Peak.Image is part of research condcuted by J. Hanson-Lowe for the article: Notes on the Pleistocene Glaciation of the South Chinese-Tibetan Borderland Author(s): J. Hanson-Lowe Source: Geographical Review, Vol. 37, No. 1 (Jan., 1947), pp. 70-87 Published by: American Geographical Society Stable URL: http://www.jstor.org/stable/211362http://www.jstor.org/stable/211362Grayscal

    Lowe, R, VX32343

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    This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/400178Surname: LOWE. Given Name(s) or Initials: R. Military Service Number or Last Known Location: VX32343. Missing, Wounded and Prisoner of War Enquiry Card Index Number: 38949.218449 Item: [2016.0049.32471] "Lowe, R, VX32343

    Sichuan (China), hanging valleys formed by glaciers

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    Hanging valley on left-hand wall of valley below, and to east of the Sara La.Image is part of research condcuted by J. Hanson-Lowe for the article: Notes on the Pleistocene Glaciation of the South Chinese-Tibetan Borderland Author(s): J. Hanson-Lowe Source: Geographical Review, Vol. 37, No. 1 (Jan., 1947), pp. 70-87 Published by: American Geographical Society Stable URL: http://www.jstor.org/stable/211362http://www.jstor.org/stable/211362Grayscal

    Lowe, R C, 14757

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    This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/400152Surname: LOWE. Given Name(s) or Initials: R C. Military Service Number or Last Known Location: 14757. Missing, Wounded and Prisoner of War Enquiry Card Index Number: 52394.218423 Item: [2016.0049.32445] "Lowe, R C, 14757

    Lowe, R C, TX5861

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    This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/400174Surname: LOWE. Given Name(s) or Initials: R C. Military Service Number or Last Known Location: TX5861. Missing, Wounded and Prisoner of War Enquiry Card Index Number: 31334.218445 Item: [2016.0049.32467] "Lowe, R C, TX5861

    Sichuan (China), view of mountains across from Litang plain

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    Looking across the Litang plain from somewhat east of that town. The "Lama's Hat" peak lies in the center of the picture and is flanked by corries.Image is part of research conducted by J. Hanson-Lowe for the article: Notes on the Pleistocene Glaciation of the South Chinese-Tibetan Borderland Author(s): J. Hanson-Lowe Source: Geographical Review, Vol. 37, No. 1 (Jan., 1947), pp. 70-87 Published by: American Geographical Society Stable URL: http://www.jstor.org/stable/211362http://www.jstor.org/stable/211362Grayscal

    Lowe, W R K, TX8257

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    This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/400175Surname: LOWE. Given Name(s) or Initials: W R K. Military Service Number or Last Known Location: TX8257. Missing, Wounded and Prisoner of War Enquiry Card Index Number: 31335.218446 Item: [2016.0049.32468] "Lowe, W R K, TX8257

    Lowe, G R C, 419502

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    This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/400156Surname: LOWE. Given Name(s) or Initials: G R C. Military Service Number or Last Known Location: 419502. Missing, Wounded and Prisoner of War Enquiry Card Index Number: 56523.218427 Item: [2016.0049.32449] "Lowe, G R C, 419502
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