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Epoxyeicosatrienoic Acids Regulate Adipocyte Differentiation Of Mouse 3t3 Cells, Via Pgc-1Α Activation, Which Is Required For Ho-1 Expression And Increased Mitochondrial Function, Maayan Waldman, Lars Bellner, Luca Vanella, Joseph Schragenheim, Komal Sodhi, Shailendra P. Singh, Daohong Lin, Anand Lakhkar, Jiangwei Li, Edith Hochhauser, Michael Arad, Zbigniew Darzynkiewicz, Attallah Kappas, Nader G. Abraham 2017 Marshall University

Epoxyeicosatrienoic Acids Regulate Adipocyte Differentiation Of Mouse 3t3 Cells, Via Pgc-1Α Activation, Which Is Required For Ho-1 Expression And Increased Mitochondrial Function, Maayan Waldman, Lars Bellner, Luca Vanella, Joseph Schragenheim, Komal Sodhi, Shailendra P. Singh, Daohong Lin, Anand Lakhkar, Jiangwei Li, Edith Hochhauser, Michael Arad, Zbigniew Darzynkiewicz, Attallah Kappas, Nader G. Abraham

Nader G. Abraham

Epoxyeicosatrienoic acid (EET) contributes to browning of white adipose stem cells to ameliorate obesity/diabetes and insulin resistance. In the current study, we show that EET altered preadipocyte function, enhanced peroxisome proliferation-activated receptor γ coactivator α (PGC-1α) expression, and increased mitochondrial function in the 3T3-L1 preadipocyte subjected to adipogenesis. Cells treated with EET resulted in an increase, P < 0.05, in PGC-1α and a decrease in mitochondria-derived ROS (MitoSox), P < 0.05. The EET increase in heme oxygenase-1 (HO-1) levels is dependent on activation of PGC-1α as cells deficient in PGC-1α (PGC-1α knockout adipocyte cell) have an impaired ability to ...


Epoxyeicosatrienoic Acids Regulate Adipocyte Differentiation Of Mouse 3t3 Cells, Via Pgc-1Α Activation, Which Is Required For Ho-1 Expression And Increased Mitochondrial Function, Maayan Waldman, Lars Bellner, Luca Vanella, Joseph Schragenheim, Komal Sodhi, Shailendra P. Singh, Daohong Lin, Anand Lakhkar, Jiangwei Li, Edith Hochhauser, Michael Arad, Zbigniew Darzynkiewicz, Attallah Kappas, Nader G. Abraham 2017 Marshall University

Epoxyeicosatrienoic Acids Regulate Adipocyte Differentiation Of Mouse 3t3 Cells, Via Pgc-1Α Activation, Which Is Required For Ho-1 Expression And Increased Mitochondrial Function, Maayan Waldman, Lars Bellner, Luca Vanella, Joseph Schragenheim, Komal Sodhi, Shailendra P. Singh, Daohong Lin, Anand Lakhkar, Jiangwei Li, Edith Hochhauser, Michael Arad, Zbigniew Darzynkiewicz, Attallah Kappas, Nader G. Abraham

Komal Sodhi

Epoxyeicosatrienoic acid (EET) contributes to browning of white adipose stem cells to ameliorate obesity/diabetes and insulin resistance. In the current study, we show that EET altered preadipocyte function, enhanced peroxisome proliferation-activated receptor γ coactivator α (PGC-1α) expression, and increased mitochondrial function in the 3T3-L1 preadipocyte subjected to adipogenesis. Cells treated with EET resulted in an increase, P < 0.05, in PGC-1α and a decrease in mitochondria-derived ROS (MitoSox), P < 0.05. The EET increase in heme oxygenase-1 (HO-1) levels is dependent on activation of PGC-1α as cells deficient in PGC-1α (PGC-1α knockout adipocyte cell) have an impaired ability to express HO-1, P < 0.02. Additionally, adipocytes treated with EET exhibited an increase in mitochondrial superoxide dismutase (SOD) in a PGC-1α-dependent manner, P < 0.05. The increase in PGC-1α was associated with an increase in β-catenin, P < 0.05, adiponectin expression, P < 0.05, and lipid accumulation, P < 0.02. EET decreased heme levels and mitochondria-derived ROS (MitoSox), P < 0.05, compared to adipocytes that were untreated. EET also decreased mesoderm-specific transcript (MEST) mRNA and protein levels (P < 0.05). Adipocyte secretion of EET act in an autocrine/paracrine manner to increase PGC-1α is required for activation of HO-1 expression. This is the first study to dissect the mechanism by which the antiadipogenic and anti-inflammatory lipid, EET, induces the PGC-1α signaling cascade and reprograms the adipocyte phenotype by regulating mitochondrial function and HO-1 expression, leading to an increase in healthy, that is, small, adipocytes and a decrease in adipocyte enlargement and terminal differentiation. This is manifested by an increase in mitochondrial function and an increase in the canonical Wnt signaling cascade during adipocyte proliferation and terminal differentiation.


Randomized Vitamin D Supplementation In Vitamin D Deficient Obese Children From West Virginia, Yoram Elitsur MD, Deborah L. Preston 2017 Marshall University

Randomized Vitamin D Supplementation In Vitamin D Deficient Obese Children From West Virginia, Yoram Elitsur Md, Deborah L. Preston

Yoram Elitsur

Objective: Vitamin D (Vit D) deficiency is a very common problem in obese children, but clinical guidelines for maintenance or treatment have not been published for this population. The aim was to assess the benefit of 2 months Vit D supplementation given to deficient obese children from WV.

Design: Vit D deficient obese children were prospectively recruited. Exclusion criteria included <8 years, and medical conditions that may affect Vit D homeostasis. Participants were randomized into two supplement groups: 5,000IU/day (Group A) or 50,000IU/week (Group B). Serum 25(OH)D levels were measured at baseline and post-treatment.

Results: Sixty obese children were screened of whom 39 (65%) were deficient (<20ng/ml). Of the 39 recruited, 26 completed the study. The mean serum 25(OH)D after 2 months treatment were significantly higher in Group B (p= 0.02), but most reached normal levels (>30ng/ml).

Conclusions: Two months Vit D supplementation (5000IU/day or 50,000IU/week) was sufficient to normalize 25(OH)D levels in Vit D deficient obese West ...


Helicobacter-Pylori Negative Gastritis In Children—A New Clinical Enigma, Yoram Elitsur, Deborah L. Preston 2017 Marshall University

Helicobacter-Pylori Negative Gastritis In Children—A New Clinical Enigma, Yoram Elitsur, Deborah L. Preston

Yoram Elitsur

The decrease in the prevalence of Helicobacter pylori (Hp) infection in children in the world gave rise to a new pathological finding termed as Hp-negative gastritis. Unfortunately, the term “Hp-negative gastritis” has not been identified as a pathological process and has the status of a “second cousin”; in most publications it was never mentioned as a subject to be dealt with, but was “left over” data that was never the topic of the manuscripts’ discussions. Only recently has the topic captured the attention of the pathologists who described this phenomenon in adults, yet the pathological and/or clinical spectrum or ...


Na/K-Atpase Signaling And Salt Sensitivity: The Role Of Oxidative Stress, Jiang Liu, Yanling Yan, Ying Nie 2017 Marshall University

Na/K-Atpase Signaling And Salt Sensitivity: The Role Of Oxidative Stress, Jiang Liu, Yanling Yan, Ying Nie

Yanling Yan

Other than genetic regulation of salt sensitivity of blood pressure, many factors have been shown to regulate renal sodium handling which contributes to long-term blood pressure regulation and have been extensively reviewed. Here we present our progress on the Na/K-ATPase signaling mediated sodium reabsorption in renal proximal tubules, from cardiotonic steroids-mediated to reactive oxygen species (ROS)-mediated Na/K-ATPase signaling that contributes to experimental salt sensitivity.


Na/K-Atpase Signaling And Salt Sensitivity: The Role Of Oxidative Stress, Jiang Liu, Yanling Yan, Ying Nie 2017 Marshall University

Na/K-Atpase Signaling And Salt Sensitivity: The Role Of Oxidative Stress, Jiang Liu, Yanling Yan, Ying Nie

Jiang Liu

Other than genetic regulation of salt sensitivity of blood pressure, many factors have been shown to regulate renal sodium handling which contributes to long-term blood pressure regulation and have been extensively reviewed. Here we present our progress on the Na/K-ATPase signaling mediated sodium reabsorption in renal proximal tubules, from cardiotonic steroids-mediated to reactive oxygen species (ROS)-mediated Na/K-ATPase signaling that contributes to experimental salt sensitivity.


Metabolic Regulation Of Cellular Signaling, Rashid John Darbandi 2017 University of Tennessee Health Science Center

Metabolic Regulation Of Cellular Signaling, Rashid John Darbandi

Theses and Dissertations (ETD)

Using the biochemically tractable Xenopus oocyte model system, we have previously characterized a novel metabolic regulation of cell death. We found that glucose-6-phosphate (G6P) via the pentose phosphate pathway leads to increased nicotinamide adenine dinucleotide phosphate (NADPH) levels, a subsequent increase in cytosolic acetyl-coenzyme A and activation of Ca2+/calmodulin-dependent protein kinase II (CaMKII). We recently identified coenzyme A (CoA), derived from the breakdown of acetyl-CoA, as the key metabolic signal that mediates a novel mechanism of calmodulindependent activation of CaMKII. CoA binds directly to the calmodulin (CaM) binding domain (CaMBD) of CaMKII resulting in its activation and downstream inhibitory ...


Cerium Oxide Nanoparticles Inhibit Lipopolysaccharide Inducedmap Kinase/Nf-Kb Mediated Severe Sepsis, Mani Maheshwari, Nandini Manne PhD, Shinichi Asano, Eric Blough, Kevin M. Rice, Niraj Nepa,, Erin Fankhanel 2017 Marshall University

Cerium Oxide Nanoparticles Inhibit Lipopolysaccharide Inducedmap Kinase/Nf-Kb Mediated Severe Sepsis, Mani Maheshwari, Nandini Manne Phd, Shinichi Asano, Eric Blough, Kevin M. Rice, Niraj Nepa,, Erin Fankhanel

Nandini Manne

The life threatening disease of sepsis is associated with high mortality. Septic patient survivability with currently available treatments has failed to improve. The purpose of this study was to evaluate whether lipopolysaccharide (LPS) induced sepsis mortality and associated hepatic dysfunction can be prevented by cerium oxide nanoparticles (CeO2NPs) treatment in male Sprague Dawley rats. Here we provide the information about the methods processing of raw data related to our study published in Biomaterials (Selvaraj et al., Biomaterials, 2015, In press) and Data in Brief (Selvaraj et al., Data in Brief, 2015, In Press). The data present here provides confirmation of ...


Cerium Oxide Nanoparticles Inhibit Lipopolysaccharide Inducedmap Kinase/Nf-Kb Mediated Severe Sepsis, Mani Maheshwari, Nandini Manne PhD, Shinichi Asano, Eric Blough, Kevin M. Rice, Niraj Nepa,, Erin Fankhanel 2017 Marshall University

Cerium Oxide Nanoparticles Inhibit Lipopolysaccharide Inducedmap Kinase/Nf-Kb Mediated Severe Sepsis, Mani Maheshwari, Nandini Manne Phd, Shinichi Asano, Eric Blough, Kevin M. Rice, Niraj Nepa,, Erin Fankhanel

Eric Blough

The life threatening disease of sepsis is associated with high mortality. Septic patient survivability with currently available treatments has failed to improve. The purpose of this study was to evaluate whether lipopolysaccharide (LPS) induced sepsis mortality and associated hepatic dysfunction can be prevented by cerium oxide nanoparticles (CeO2NPs) treatment in male Sprague Dawley rats. Here we provide the information about the methods processing of raw data related to our study published in Biomaterials (Selvaraj et al., Biomaterials, 2015, In press) and Data in Brief (Selvaraj et al., Data in Brief, 2015, In Press). The data present here provides confirmation of ...


Optimizing Heart Failure Outcomes Through Diet: A Review, Farley B. Neasman III 2017 Marshall University Cardiology

Optimizing Heart Failure Outcomes Through Diet: A Review, Farley B. Neasman Iii

Marshall Journal of Medicine

Heart failure is a growing epidemic that will add significant monetary and human costs to an already overtaxed health-care system. Though promising new medications have recently been approved, this complex condition is largely preventable through aggressive risk factor modification, with diet being shown to have a greater effect than exercise. An underrated component of a healthy diet is the simple addition of nuts – the anti-inflammatory fatty acids, healthy proteins, and general availability have been shown to improve survival and reduce the primary risk factors contributing to heart failure, making the addition of nuts and legumes to the diet an attractive ...


Capsaicin Displays Anti-Proliferative Activity Against Human Small Cell Lung Cancer In Cell Culture And Nude Mice Models Via The E2f Pathway, Kathleen C. Brown, Theodore R. Witte, W. Elaine Hardman, Haitao Luo, Yi C. Chen, A. Betts Carpenter, Jamie K. Lau, Piyali Dasgupta 2017 Marshall University

Capsaicin Displays Anti-Proliferative Activity Against Human Small Cell Lung Cancer In Cell Culture And Nude Mice Models Via The E2f Pathway, Kathleen C. Brown, Theodore R. Witte, W. Elaine Hardman, Haitao Luo, Yi C. Chen, A. Betts Carpenter, Jamie K. Lau, Piyali Dasgupta

Kathleen C. Brown

Background: Small cell lung cancer (SCLC) is characterized by rapid progression and low survival rates. Therefore, novel therapeutic agents are urgently needed for this disease. Capsaicin, the active ingredient of chilli peppers, displays antiproliferative activity in prostate and epidermoid cancer in vitro. However, the anti-proliferative activity of capsaicin has not been studied in human SCLCs. The present manuscript fills this void of knowledge and explores the anti-proliferative effect of capsaicin in SCLC in vitro and in vivo.

Methodology/Principal Findings: BrdU assays and PCNA ELISAs showed that capsaicin displays robust anti-proliferative activity in four human SCLC cell lines. Furthermore, capsaicin ...


Pnaktide Inhibits Na/K-Atpase Reactive Oxygen Species Amplification And Attenuates Adipogenesis, Komal Sodhi, Kyle Maxwell, Yanling Yan, Jiang Liu, Muhammad Chaudhry, Morgan Getty, Zijian Xie, Nader G. Abraham, Joseph I. Shapiro MD 2017 Marshall University

Pnaktide Inhibits Na/K-Atpase Reactive Oxygen Species Amplification And Attenuates Adipogenesis, Komal Sodhi, Kyle Maxwell, Yanling Yan, Jiang Liu, Muhammad Chaudhry, Morgan Getty, Zijian Xie, Nader G. Abraham, Joseph I. Shapiro Md

Jiang Liu

Obesity has become a worldwide epidemic and is a major risk factor for metabolic syndrome. Oxidative stress is known to play a role in the generation and maintenance of an obesity phenotype in both isolated adipocytes and intact animals. Because we had identified that the Na/K-ATPase can amplify oxidant signaling, we speculated that a peptide designed to inhibit this pathway, pNaKtide, might ameliorate an obesity phenotype. To test this hypothesis, we first performed studies in isolated murine preadipocytes (3T3L1 cells) and found that pNaKtide attenuated oxidant stress and lipid accumulation in a dose-dependent manner. Complementary experiments in C57Bl6 mice ...


Profiling Igg N-Glycans As Potential Biomarker Of Chronological And Biological Ages: A Community-Based Study In A Han Chinese Population, Xinwei Yu, Youix Wang, Jasminka Krištić, Jing Dong, Xi Chu, Siqi Ge, Hao Wang, Honghong Fang, Qing Gao, Di Lui, Zhongya Zhao, Hongli Peng, Maja P. Baković, Lijuan Wu, Manshu Song, Igor Rudan, Harry Campbell, Gordan Lauc, Wei Wang 2017 Edith Cowan University

Profiling Igg N-Glycans As Potential Biomarker Of Chronological And Biological Ages: A Community-Based Study In A Han Chinese Population, Xinwei Yu, Youix Wang, Jasminka Krištić, Jing Dong, Xi Chu, Siqi Ge, Hao Wang, Honghong Fang, Qing Gao, Di Lui, Zhongya Zhao, Hongli Peng, Maja P. Baković, Lijuan Wu, Manshu Song, Igor Rudan, Harry Campbell, Gordan Lauc, Wei Wang

Jing Dong

As an important post-translation modifying process, glycosylation significantly affects the structure and function of immunoglobulin G (IgG) molecules and is essential in many steps of the inflammatory cascade. Studies have demonstrated the potential of using glycosylation features of IgG as a component of predictive biomarkers for chronological age in several European populations, whereas no study has been reported in Chinese. Herein, we report various patterns of changes in IgG glycosylation associated with age by analyzing IgG glycosylation in 701 community-based Han Chinese (244 males, 457 females; 23-68 years old). Eleven IgG glycans, including FA2B, A2G1, FA2[6]G1, FA2[3 ...


The 11s Proteasomal Activator Regγ Impacts Polyglutamine-Expanded Androgen Receptor Aggregation And Motor Neuron Viability Through Distinct Mechanisms., Jill M. Yersak, Heather L. Montie, Erica S. Chevalier-Larsen, Yuhong Liu, Lan Huang, Martin Rechsteiner, Diane E. Merry 2017 Thomas Jefferson University

The 11s Proteasomal Activator Regγ Impacts Polyglutamine-Expanded Androgen Receptor Aggregation And Motor Neuron Viability Through Distinct Mechanisms., Jill M. Yersak, Heather L. Montie, Erica S. Chevalier-Larsen, Yuhong Liu, Lan Huang, Martin Rechsteiner, Diane E. Merry

Department of Biochemistry and Molecular Biology Faculty Papers

Spinal and bulbar muscular atrophy (SBMA) is caused by expression of a polyglutamine (polyQ)-expanded androgen receptor (AR). The inefficient nuclear proteasomal degradation of the mutant AR results in the formation of nuclear inclusions containing amino-terminal fragments of the mutant AR. PA28γ (also referred to as REGγ) is a nuclear 11S-proteasomal activator with limited proteasome activation capabilities compared to its cytoplasmic 11S (PA28α, PA28β) counterparts. To clarify the role of REGγ in polyQ-expanded AR metabolism, we carried out genetic and biochemical studies in cell models of SBMA. Overexpression of REGγ in a PC12 cell model of SBMA increased polyQ-expanded AR ...


Diagnostic Effectiveness Of High-Sensitivity Troponins, Sean R. Bodin, Jacqueline Ramirez 2017 James Madison University

Diagnostic Effectiveness Of High-Sensitivity Troponins, Sean R. Bodin, Jacqueline Ramirez

Physician Assistant Capstones

Background: Acute myocardial infarctions (AMI) are a leading cause of death in the United States. The key to increasing survivability is early recognition to expedite the proper treatment modalities. In conjunction with the clinical presentation and electrocardiograms, the use of cardiac biomarkers is exponentially important in not only recognizing a cardiac event but also determining the extent of injury. Advancement in laboratory technology has led to the development of high-sensitive troponin (hs-troponin) assays which can detect smaller cardiac troponin serum levels compared to conventional troponin assays. This implies that the use of hs-troponin assays is more effective in the early ...


Structure Activity Relationship Studies Of Novel Diarylpentanoid Analogs Targeting The Androgen Receptor In Prostate Cancer Cells, Haili Coffin, Marco Bisoffi 2017 Chapman University

Structure Activity Relationship Studies Of Novel Diarylpentanoid Analogs Targeting The Androgen Receptor In Prostate Cancer Cells, Haili Coffin, Marco Bisoffi

Student Research Day Abstracts and Posters

The development of prostate cancer (PCa) relies strongly on the activation of the androgen receptor (AR) signaling pathway by its natural ligand dihydrotestosterone. Furthermore, PCa progression to metastatic disease represents oncogene addiction to AR activity. Androgen ablation therapy is thus a mainstay therapy against this disease, but the development of ligand-independent AR activation and persisting AR expression eventually leads to castration resistant PCa (CRPC). Therefore, down-regulation of AR expression in PCa cells may be an effective therapeutic modality. The diarylpentanoid ca27 has previously been shown to down-regulate AR expression by an unknown mechanism of action. The present work represents a ...


Investigating The Mechanism Of Novel Anticancer Agent, As1411 : Does Metabolism To Guanine Play A Role?, Parker T Howard 2017 University of Louisville

Investigating The Mechanism Of Novel Anticancer Agent, As1411 : Does Metabolism To Guanine Play A Role?, Parker T Howard

College of Arts & Sciences Senior Honors Theses

AS1411 is an oligonucleotide that has shown promising results in lab experiments and clinical trials as an anti-cancer drug, Likewise, treatments with guanine based purine compounds (GBPCs) have demonstrated similar anti-proliferative effects in vitro. This activity is dependent on the HGPRT enzyme. Similarities in activity and physical structure has led us to believe that AS1411 and GBPCs operate by a similar mechanism. To test this, we compare the activity of both in the presence of HGPRT siRNAs and HGPRT deficient cells. While siRNA treatment was unable to alter the activity of GBPCs or AS1411 in our cell lines, HGPRT deficient ...


Role Of Dendritic Cells In Pathology Of Respiratory Syncytial Virus Infection In Neonates, Bishwas Shrestha 2017 University of Tennessee Health Science Center

Role Of Dendritic Cells In Pathology Of Respiratory Syncytial Virus Infection In Neonates, Bishwas Shrestha

Theses and Dissertations (ETD)

Respiratory syncytial virus (RSV) is one of the leading causes of bronchiolitis in children. We have shown that neonatal mice respond to primary RSV infection with T helper type 2 (Th2) biased immune responses, which are enhanced following reinfection. Dendritic cells (DCs) including myeloid DCs (mDCs) and plasmacytoid DCs (pDCs) play important roles in driving host responses to RSV infection. mDCs present antigens to help Th cells differentiate, and pDCs protect against viral infection through type I interferons (IFNs). Despite data demonstrating importance of mDCs and pDCs in protection against RSV, it has not been studied in an age appropriate ...


Foxo3 Increases Mir-34a To Cause Palmitate-Induced Cholangiocyte Lipoapoptosis., Sathish Kumar Natarajan, Bailey A. Stringham, Ashley M. Mohr, Cody J. Wehrkamp, Sizhao Lu, Mary A. Smith, Dee Harrison-Findik, Justin L. Mott 2017 University of Nebraska Medical Center

Foxo3 Increases Mir-34a To Cause Palmitate-Induced Cholangiocyte Lipoapoptosis., Sathish Kumar Natarajan, Bailey A. Stringham, Ashley M. Mohr, Cody J. Wehrkamp, Sizhao Lu, Mary A. Smith, Dee Harrison-Findik, Justin L. Mott

Journal Articles: Biochemistry & Molecular Biology

Nonalcoholic steatohepatitis (NASH) patients have elevated plasma saturated free fatty acid levels. These toxic fatty acids can induce liver cell death and our recent results demonstrated that the biliary epithelium may be susceptible to lipotoxicity. Here, we explored the molecular mechanisms of cholangiocyte lipoapoptosis in cell culture and in an animal model of NASH. Treatment of cholangiocytes with palmitate (PA) showed increased caspase 3/7 activity and increased levels of cleaved poly (ADP-ribose) polymerase and cleaved caspase 3, demonstrating cholangiocyte lipoapoptosis. Interestingly, treatment with PA significantly increased the levels of microRNA miR-34a, a pro-apoptotic microRNA known to be elevated in ...


Chemical And Structural Characterization Of A Model Post-Termination Complex (Potc) For The Ribosome Recycling Reaction: Evidence For The Release Of The Mrna By Rrf And Ef-G., Nobuhiro Iwakura, Takeshi Yokoyama, Fabio Quaglia, Kaoru Mitsuoka, Kazuhiro Mio, Hideki Shigematsu, Mikako Shirouzu, Akira Kaji, Hideko Kaji 2017 Thomas Jefferson University

Chemical And Structural Characterization Of A Model Post-Termination Complex (Potc) For The Ribosome Recycling Reaction: Evidence For The Release Of The Mrna By Rrf And Ef-G., Nobuhiro Iwakura, Takeshi Yokoyama, Fabio Quaglia, Kaoru Mitsuoka, Kazuhiro Mio, Hideki Shigematsu, Mikako Shirouzu, Akira Kaji, Hideko Kaji

Department of Biochemistry and Molecular Biology Faculty Papers

A model Post-Termination Complex (PoTC) used for the discovery of Ribosome Recycling Factor (RRF) was purified and characterized by cryo-electron microscopic analysis and biochemical methods. We established that the model PoTC has mostly one tRNA, at the P/E or P/P position, together with one mRNA. The structural studies were supported by the biochemical measurement of bound tRNA and mRNA. Using this substrate, we establish that the release of tRNA, release of mRNA and splitting of ribosomal subunits occur during the recycling reaction. Order of these events is tRNA release first followed by mRNA release and splitting almost simultaneously ...


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