Combined Inhibition of the Renin-Angiotensin System and Neprilysin Positively Influences Complex Mitochondrial Adaptations in Progressive Experimental Heart Failure
Publication Date
January 11, 2017
Authors
Laura Grois, Julian Hupf, Jörg Reinders, Josef Schröder, et al
Volume
12
Issue
1
Pages
e0169743
DOI
https://dx.plos.org/10.1371/journal.pone.0169743
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0169743
Scopus
85009223469
Mendeley
http://www.mendeley.com/research/combined-inhibition-reninangiotensin-system-neprilysin-positively-influences-complex-mitochondrial-a
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Mendeley | Further Information

{"title"=>"Combined inhibition of the Renin-Angiotensin system and neprilysin positively influences complex mitochondrial adaptations in progressive experimental heart failure", "type"=>"journal", "authors"=>[{"first_name"=>"Laura", "last_name"=>"Grois", "scopus_author_id"=>"57192930175"}, {"first_name"=>"Julian", "last_name"=>"Hupf", "scopus_author_id"=>"56063797300"}, {"first_name"=>"Joerg", "last_name"=>"Reinders", "scopus_author_id"=>"9234445200"}, {"first_name"=>"Josef", "last_name"=>"Schroder", "scopus_author_id"=>"57198403164"}, {"first_name"=>"Alexander", "last_name"=>"Dietl", "scopus_author_id"=>"55324535700"}, {"first_name"=>"Peter M.", "last_name"=>"Schmid", "scopus_author_id"=>"36982195300"}, {"first_name"=>"Carsten", "last_name"=>"Jungbauer", "scopus_author_id"=>"35117825100"}, {"first_name"=>"Markus", "last_name"=>"Resch", "scopus_author_id"=>"24067494500"}, {"first_name"=>"Lars S.", "last_name"=>"Maier", "scopus_author_id"=>"7006758541"}, {"first_name"=>"Andreas", "last_name"=>"Luchner", "scopus_author_id"=>"6701454431"}, {"first_name"=>"Christoph", "last_name"=>"Birner", "scopus_author_id"=>"23017909000"}], "year"=>2017, "source"=>"PLoS ONE", "identifiers"=>{"pmid"=>"28076404", "isbn"=>"1111111111", "doi"=>"10.1371/journal.pone.0169743", "issn"=>"19326203", "scopus"=>"2-s2.0-85009223469", "pui"=>"614026335", "sgr"=>"85009223469"}, "id"=>"6ca55013-f5b4-34ff-84e0-ae3263879216", "abstract"=>"BACKGROUND Inhibitors of the renin angiotensin system and neprilysin (RAS-/NEP-inhibitors) proved to be extraordinarily beneficial in systolic heart failure. Furthermore, compelling evidence exists that impaired mitochondrial pathways are causatively involved in progressive left ventricular (LV) dysfunction. Consequently, we aimed to assess whether RAS-/NEP-inhibition can attenuate mitochondrial adaptations in experimental heart failure (HF). METHODS AND RESULTS By progressive right ventricular pacing, distinct HF stages were induced in 15 rabbits, and 6 animals served as controls (CTRL). Six animals with manifest HF (CHF) were treated with the RAS-/NEP-inhibitor omapatrilat. Echocardiographic studies and invasive blood pressure measurements were undertaken during HF progression. Mitochondria were isolated from LV tissue, respectively, and further worked up for proteomic analysis using the SWATH technique. Enzymatic activities of citrate synthase and the electron transfer chain (ETC) complexes I, II, and IV were assessed. Ultrastructural analyses were performed by transmission electron microscopy. During progression to overt HF, intricate expression changes were mainly detected for proteins belonging to the tricarboxylic acid cycle, glucose and fat metabolism, and the ETC complexes, even though ETC complex I, II, or IV enzymatic activities were not significantly influenced. Treatment with a RAS-/NEP-inhibitor then reversed some maladaptive metabolic adaptations, positively influenced the decline of citrate synthase activity, and altered the composition of each respiratory chain complex, even though this was again not accompanied by altered ETC complex enzymatic activities. Finally, ultrastructural evidence pointed to a reduction of autophagolytic and degenerative processes with omapatrilat-treatment. CONCLUSIONS This study describes complex adaptations of the mitochondrial proteome in experimental tachycardia-induced heart failure and shows that a combined RAS-/NEP-inhibition can beneficially influence mitochondrial key pathways.", "link"=>"http://www.mendeley.com/research/combined-inhibition-reninangiotensin-system-neprilysin-positively-influences-complex-mitochondrial-a", "reader_count"=>9, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Researcher"=>3, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>1, "Student > Master"=>1, "Other"=>1, "Lecturer"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Researcher"=>3, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>1, "Student > Master"=>1, "Other"=>1, "Lecturer"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>1, "Biochemistry, Genetics and Molecular Biology"=>3, "Agricultural and Biological Sciences"=>2, "Medicine and Dentistry"=>1, "Business, Management and Accounting"=>1, "Pharmacology, Toxicology and Pharmaceutical Science"=>1}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>2}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>1}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>3}, "Unspecified"=>{"Unspecified"=>1}, "Pharmacology, Toxicology and Pharmaceutical Science"=>{"Pharmacology, Toxicology and Pharmaceutical Science"=>1}}, "group_count"=>1}

Scopus | Further Information

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