Adiposity and Adipokines: Roles in the Local Spread of Cancer and in the Metastasis Development

A special issue of Biomedicines (ISSN 2227-9059). This special issue belongs to the section "Immunology and Immunotherapy".

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 2963

Special Issue Editor


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Guest Editor
Laboratory of Experimental Biochemistry & Molecular Biology, IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161 Milano, Italia
Interests: breast cancer; bone metastasis; tumor microenvironment; invasive growth; epithelial–mesenchymal transition; autophagy; signal transduction; immunohistochemistry; animal models
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Special Issue Information

Dear Colleagues,

A highly heterogeneous population of cells in the microenvironment surrounding tumor cells is responsible for a large number of factors that are important for cancer spread and metastasis, highlighting the importance of tumor–microenvironment cross-talk in influencing tumor growth progression. In this context, adipocytes assume a relevant role: They are capable of producing different factors (i.e., adipokines, cytokines, and chemokines); among them, leptin, adiponectin, resistin, autotaxin, and IL-6 are relevant signals arising from tumor stroma, involved in the initiation and progression of cancer. Moreover, many adipokines, through up- or down-regulation of miRNAs, exert oncogenic or anti-tumor effects. In particular, bone marrow adipose tissue (BMAT) is beginning to emerge as an important contributor to cancer progression in bone metastasis. In addition to producing a plethora of adipokines, BMAT releases extracellular vesicles, which may influence cells in the surrounding area. However, the role of adipocytes and adipose tissue in the metastatic microenvironment remains an important issue to be explored: More detailed knowledge of the link(s) between adiposity and cancer development is needed to find new targets to counteract cancer local invasion and metastasis.

This Special Issue aims to collect recent results regarding the link between adiposity and cancer development and spread to local and distant sites, and to focus on the potential of adipokines and their signaling axes as targets in cancer therapy. Original articles and reviews will be considered.

This Special Issue is jointly organized between IJMS and Biomedicines. In accordance with the Aims and Scope of these journals, articles showing basic studies in biochemistry, molecular biology, and molecular medicine can be submitted to IJMS, whereas articles presenting more clinical content can be submitted to Biomedicines.

Dr. Paola Maroni
Guest Editor

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Keywords

  • cancer
  • metastasis
  • tumor microenvironment
  • adipocytes
  • adiposity
  • adipokines
  • obesity
  • bone marrow adipose tissue
  • miRNAs
  • extracellular vesicles
  • therapy

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Published Papers (1 paper)

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Research

14 pages, 6912 KiB  
Article
Leptin, Leptin Receptor, KHDRBS1 (KH RNA Binding Domain Containing, Signal Transduction Associated 1), and Adiponectin in Bone Metastasis from Breast Carcinoma: An Immunohistochemical Study
by Paola Maroni, Alessandro Luzzati, Giuseppe Perrucchini, Luca Cannavò and Paola Bendinelli
Biomedicines 2020, 8(11), 510; https://doi.org/10.3390/biomedicines8110510 - 17 Nov 2020
Cited by 5 | Viewed by 2561
Abstract
Breast cancer patients are at a high risk of complications from bone metastasis. Molecular characterization of bone metastases is essential for the discovery of new therapeutic targets. Here, we investigated the expression and the intracellular distribution of KH RNA binding domain containing, signal [...] Read more.
Breast cancer patients are at a high risk of complications from bone metastasis. Molecular characterization of bone metastases is essential for the discovery of new therapeutic targets. Here, we investigated the expression and the intracellular distribution of KH RNA binding domain containing, signal transduction associated 1 (KHDRBS1), leptin, leptin receptor (LEPR), and adiponectin in bone metastasis from breast carcinoma and looked for correlations between the data. The expression of these proteins is known in breast carcinoma, but it has not been investigated in bone metastatic tissue to date. Immunohistochemical analysis was carried out on bone metastasis specimens, then semiquantitative evaluation of the results and the Pearson test were performed to determine eventual correlations. KHDRBS1 expression was significantly higher in the nuclei than in the cytosol of metastatic cells; LEPR was prevalently observed in the cytosol and the nuclei; leptin and adiponectin were found in metastatic cells and stromal cells; the strongest positive correlation was between nuclear KHDRBS1 and nuclear LEPR expression. Taken together, our findings support the importance of the leptin/LEPR/KHDRBS1 axis and of adiponectin in the progression of bone metastasis and suggest their potential application in pharmacological interventions. Full article
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