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Title: Beyond TLR Signaling-The Role of SARM in Antiviral Immune Defense, Apoptosis & Development
Authors: Panneerselvam, Porkodi 
Ding, Jeak Ling 
Keywords: apoptosis
cell death
innate immunity
TLR adaptors
TLR signaling pathways
Issue Date: 2015
Publisher: Informa UK Limited
Citation: Panneerselvam, Porkodi, Ding, Jeak Ling (2015). Beyond TLR Signaling-The Role of SARM in Antiviral Immune Defense, Apoptosis & Development. INTERNATIONAL REVIEWS OF IMMUNOLOGY 34 (5) : 432-444. ScholarBank@NUS Repository.
Abstract: SARM (Sterile alpha and armadillo motif-containing protein) is the recently identified TIR domain-containing cytosolic protein. Classified as a member of the TLR adaptor family, the multiple locations and functions of SARM (sometimes playing opposing roles), provoke an enigma on its biology. Although originally assumed to be a member of the TLR adaptor family (functioning as a negative regulator of TLR signaling pathway), latest findings indicate that SARM regulates signaling differently from other TLR adaptor proteins. Recent studies have highlighted the significant functional role of SARM in mediating apoptosis and antiviral innate immune response. In this review, we provide an update on the evolutionary conservation, spatial distribution, and regulated expression of SARM to highlight its diverse functional roles. The review will summarize findings on the known interacting partners of SARM and provide analogy on how they add new dimensions to the current understanding on the multifaceted roles of SARM in antiviral activities and apoptotic functions. In addition, we provide a future perspective on the roles of SARM in differentiation and development, with substantial emphasis on the molecular insights to its mechanisms of action.
ISSN: 0883-0185
DOI: 10.3109/08830185.2015.1065826
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