Thymoquinone ameliorates diabetic phenotype in Diet-Induced Obesity mice via activation of SIRT-1-dependent pathways
Publication Date
September 26, 2017
Authors
Shpetim Karandrea, Huquan Yin, Xiaomei Liang, Angela L. Slitt, et al
Volume
12
Issue
9
Pages
e0185374
DOI
https://dx.plos.org/10.1371/journal.pone.0185374
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0185374
Scopus
85029902945
Mendeley
http://www.mendeley.com/research/thymoquinone-ameliorates-diabetic-phenotype-dietinduced-obesity-mice-via-activation-sirt1dependent-p
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Mendeley | Further Information

{"title"=>"Thymoquinone ameliorates diabetic phenotype in Diet-Induced Obesity mice via activation of SIRT-1-dependent pathways", "type"=>"journal", "authors"=>[{"first_name"=>"Shpetim", "last_name"=>"Karandrea", "scopus_author_id"=>"57191381082"}, {"first_name"=>"Huquan", "last_name"=>"Yin", "scopus_author_id"=>"8256034000"}, {"first_name"=>"Xiaomei", "last_name"=>"Liang", "scopus_author_id"=>"23970843000"}, {"first_name"=>"Angela L.", "last_name"=>"Slitt", "scopus_author_id"=>"6507330772"}, {"first_name"=>"Emma A.", "last_name"=>"Heart", "scopus_author_id"=>"6506853039"}], "year"=>2017, "source"=>"PLoS ONE", "identifiers"=>{"pui"=>"618472455", "pmid"=>"28950020", "issn"=>"19326203", "doi"=>"10.1371/journal.pone.0185374", "isbn"=>"1111111111", "scopus"=>"2-s2.0-85029902945", "sgr"=>"85029902945"}, "id"=>"a5626c62-38e5-3ba1-b043-5fb793d9e105", "abstract"=>"Thymoquinone, a natural occurring quinone and the main bioactive component of plant Nigella sativa, undergoes intracellular redox cycling and re-oxidizes NADH to NAD+. TQ administration (20 mg/kg/bw/day) to the Diet-Induced Obesity (DIO) mice reduced their diabetic phenotype by decreasing fasting blood glucose and fasting insulin levels, and improved glucose tolerance and insulin sensitivity as evaluated by oral glucose and insulin tolerance tests (OGTT and ITT). Furthermore, TQ decreased serum cholesterol levels and liver triglycerides, increased protein expression of phosphorylated Akt, decreased serum levels of inflammatory markers resistin and MCP-1, and decreased NADH/NAD+ ratio. These changes were paralleled by an increase in phosphorylated SIRT-1 and AMPKα in liver and phosphorylated SIRT-1 in skeletal muscle. TQ also increased insulin sensitivity in insulin-resistant HepG2 cells via a SIRT-1-dependent mechanism. These findings are consistent with the TQ-dependent re-oxidation of NADH to NAD+, which stimulates glucose and fatty acid oxidation and activation of SIRT-1-dependent pathways. Taken together, these results demonstrate that TQ ameliorates the diabetic phenotype in the DIO mouse model of type 2 diabetes.", "link"=>"http://www.mendeley.com/research/thymoquinone-ameliorates-diabetic-phenotype-dietinduced-obesity-mice-via-activation-sirt1dependent-p", "reader_count"=>9, "reader_count_by_academic_status"=>{"Unspecified"=>2, "Researcher"=>1, "Student > Ph. D. Student"=>1, "Student > Master"=>3, "Student > Bachelor"=>1, "Student > Postgraduate"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>2, "Researcher"=>1, "Student > Ph. D. Student"=>1, "Student > Master"=>3, "Student > Bachelor"=>1, "Student > Postgraduate"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>3, "Nursing and Health Professions"=>2, "Biochemistry, Genetics and Molecular Biology"=>1, "Agricultural and Biological Sciences"=>2, "Medicine and Dentistry"=>1}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>2}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>2}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Unspecified"=>{"Unspecified"=>3}}, "group_count"=>1}

Scopus | Further Information

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