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  • Movérare-Skrtic, SofiaGothenburg University,Göteborgs universitet,Centre for Bone and Arthritis Research (author)

Leukocyte Telomere Length (LTL) is reduced in stable mild cognitive impairment but low LTL is not associated with conversion to Alzheimer's Disease: A pilot study

  • Article/chapterEnglish2012

Publisher, publication year, extent ...

  • Elsevier BV,2012

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  • LIBRIS-ID:oai:lup.lub.lu.se:81248ae0-a348-4641-ba3b-a86deb4c2682
  • https://lup.lub.lu.se/record/2384487URI
  • https://doi.org/10.1016/j.exger.2011.12.005DOI
  • https://gup.ub.gu.se/publication/151936URI

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  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Leukocyte telomere length (LTL) is associated with the aging process and may be related to cognitive aging. Previous studies have shown conflicting results whether LTL is affected in patients with Alzheimer's disease (AD). In this pilot study, we investigated LTL in a well-defined homogeneous mono-center population. Sixty consecutive patients admitted for cognitive impairment to a memory clinic were recruited. The participants included patients with AD or mild cognitive impairment (MCI) diagnosed with AD upon follow-up (n=32), patients with stable MCI (n=13), patients with other dementias diagnosed at primary evaluation or upon follow-up (n=15), and healthy controls (n=20). LTL was determined using a quantitative PCR assay. Patients with AD had similar LTL as healthy controls. Patients with stable MCI had reduced LTL both compared to AD patients (p=0.02) and controls (p=0.008). Subanalyses within the AD group showed that patients with MCI that later converted to AD had similar LTL as patients with clinical diagnosis of AD at primary evaluation and healthy controls whereas the LTL was longer compared to the stable MCI group (p=0.02). There were no correlations between LTL and the core AD biomarkers A beta(1-42), T-tau and P-tau. In conclusion, in this pilot study, patients with AD or MCI that later converted to AD had similar LTL as healthy controls. Patients with stable MCI that did not progress to dementia had reduced LTL compared to controls, which might suggest a more marked biological aging as a cause of the cognitive symptoms in this group. (C) 2011 Elsevier Inc. All rights reserved.

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  • Johansson, PerGothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition(Swepub:gu)xjperq (author)
  • Mattsson, Niklas,1979Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xmattn (author)
  • Hansson, OskarLund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups(Swepub:lu)mphy-ohn (author)
  • Wallin, Anders,1950Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xwaand (author)
  • Johansson, Jan-Ove,1955Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition(Swepub:gu)xjjanp (author)
  • Zetterberg, Henrik,1973Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology(Swepub:gu)xzethe (author)
  • Blennow, Kaj,1958Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xbleka (author)
  • Svensson, Johan,1964Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition(Swepub:gu)xsjohc (author)
  • Göteborgs universitetCentre for Bone and Arthritis Research (creator_code:org_t)

Related titles

  • In:Experimental Gerontology: Elsevier BV47:2, s. 179-1821873-68150531-5565

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