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Cachexia‐associated adipose tissue morphological rearrangement in gastrointestinal cancer patients

Batista, Miguel L. ; Henriques, Felipe S. ; Neves, Rodrigo X. ; Olivan, Mireia R. ; Matos‐Neto, Emídio M. ; Alcântara, Paulo S. M. ; Maximiano, Linda F. ; Otoch, José P. ; Alves, Michele J. ; Seelaender, Marília

Journal of cachexia, sarcopenia and muscle, 2016-03, Vol.7 (1), p.37-47 [Peer Reviewed Journal]

Germany: John Wiley & Sons, Inc

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  • Title:
    Cachexia‐associated adipose tissue morphological rearrangement in gastrointestinal cancer patients
  • Author: Batista, Miguel L. ; Henriques, Felipe S. ; Neves, Rodrigo X. ; Olivan, Mireia R. ; Matos‐Neto, Emídio M. ; Alcântara, Paulo S. M. ; Maximiano, Linda F. ; Otoch, José P. ; Alves, Michele J. ; Seelaender, Marília
  • Subjects: Adipocytes ; Adipose tissue ; Body fat ; Body mass index ; Cancer therapies ; Chronic illnesses ; Extracellular matrix ; Fatty acids ; Fibrosis, Inflammation, Cachexia ; Gene expression ; Inflammation ; Metabolism ; Morphology ; Obesity ; Original ; Patients ; Values ; Weight control
  • Is Part Of: Journal of cachexia, sarcopenia and muscle, 2016-03, Vol.7 (1), p.37-47
  • Notes: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Description: Background and aims Cachexia is a syndrome characterized by marked involuntary loss of body weight. Recently, adipose tissue (AT) wasting has been shown to occur before the appearance of other classical cachexia markers. We investigated the composition and rearrangement of the extracellular matrix, adipocyte morphology and inflammation in the subcutaneous AT (scAT) pad of gastrointestinal cancer patients. Methods Surgical biopsies for scAT were obtained from gastrointestinal cancer patients, who were signed up into the following groups: cancer cachexia (CC, n = 11), weight‐stable cancer (WSC, n = 9) and weight‐stable control (non‐cancer) (control, n = 7). The stable weight groups were considered as those with no important weight change during the last year and body mass index <25 kg/m2. Subcutaneous AT fibrosis was quantified and characterized by quantitative PCR, histological analysis and immunohistochemistry. Results The degree of fibrosis and the distribution and collagen types (I and III) were different in WSC and CC patients. CC patients showed more pronounced fibrosis in comparison with WSC. Infiltrating macrophages surrounding adipocytes and CD3 Ly were found in the fibrotic areas of scAT. Subcutaneous AT fibrotic areas demonstrated increased monocyte chemotactic protein 1 (MCP‐1) and Cluster of Differentiation (CD)68 gene expression in cancer patients. Conclusions Our data indicate architectural modification consisting of fibrosis and inflammatory cell infiltration in scAT as induced by cachexia in gastrointestinal cancer patients. The latter was characterized by the presence of macrophages and lymphocytes, more evident in the fibrotic areas. In addition, increased MCP‐1 and CD68 gene expression in scAT from cancer patients may indicate an important role of these markers in the early phases of cancer.
  • Publisher: Germany: John Wiley & Sons, Inc
  • Language: English
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