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Full-Text Articles in Cell and Developmental Biology

Catabolism Of Bcaas And Application, Skylar Arellano-Myers May 2021

Catabolism Of Bcaas And Application, Skylar Arellano-Myers

Honors Thesis

Over the past 150 years, amino acids have been found and researched in the nutrition biochemistry field. Over these years, three have been identified; leucine, valine and isoleucine; to make up the branch chain amino acids (BCAAs) that play a crucial role on the anaerobic and aerobic energy systems. The metabolism of BCAAs is a highly complicated process that is regulated by the activation of the alpha-keto acids dehydrogenase complex (BCKDH complex) to complete the catabolic reaction. With exercise, it has been found to increase the metabolism of BCAAs by increasing the BCKDH complex, which will decrease the fatigue and ...


Purification Of Pcbp2 And Its Effect On The Formation Of Dna I-Motifs And Secondary Structures, Nathan Redden May 2021

Purification Of Pcbp2 And Its Effect On The Formation Of Dna I-Motifs And Secondary Structures, Nathan Redden

Honors Theses

Several secondary, non-B forms of DNA are associated with the promoter regions of many oncogenes, including the intensely studied c-MYC gene that codes for a transcription factor. Two such secondary structures, G-quadruplexes, and i-motifs, have become topics of interest due to their prevalence within oncogenic promoters, as well as their potential accessibility for drug targeting. B-form DNA can adopt alternative structures under certain conditions. These alternative structures are favored when there is an asymmetric distribution of guanosine and cytosine on complimentary DNA strands. The strand rich in guanosine is able to form a quadruple stranded DNA complex termed a G-quadruplex ...


Involvement Of The Ino80 Chromatin Remodeling Complex In Cell Division And Genomic Stability, Ethan Chen May 2021

Involvement Of The Ino80 Chromatin Remodeling Complex In Cell Division And Genomic Stability, Ethan Chen

Biomedical Engineering Undergraduate Honors Theses

Cell division is a vital biological process for growth and development in both single and multi-cellular organisms—whereby the cell must duplicate its organelles and genome in entirety and appropriately distribute the copied contents to the daughter cells. Cells undergo a cycle of two distinct phases: interphase and mitosis. During interphase, the cell replicates its genomic DNA (in the form of chromosomes) located within the nucleus. DNA replication is carried out in a euchromatin state, where the chromosome structure is loose and easily accessible by DNA polymerase and other replication enzymes. Upon the completion of replication, chromatin is condensed into ...


Dna Damage And Aging In Progeria Compared To Healthy Cells., Ashtyn Marie Hill May 2021

Dna Damage And Aging In Progeria Compared To Healthy Cells., Ashtyn Marie Hill

Chancellor’s Honors Program Projects

No abstract provided.


Effects Of Heme Oxygenase 1 Inducer, T-Bhq On Growth Of Multiple Myeloma Cell Lines, And On Osteoblast And Osteoclast Differention, Alyaa Alansari May 2021

Effects Of Heme Oxygenase 1 Inducer, T-Bhq On Growth Of Multiple Myeloma Cell Lines, And On Osteoblast And Osteoclast Differention, Alyaa Alansari

Theses and Dissertations

Expansion of plasma cells within the bone marrow constitutes the onset of multiple myeloma (MM). This disease manifests clinically primarily through the formation of osteolytic bone lesions that can lead to osteoporosis. The reason for the development of such lesions is the disruption of the equilibrium between bone resorption and bone formation as a result of proliferation of osteoclasts and reduction in the number of osteoblasts in the process of differentiation of mesenchymal stem cells (MSCs). The maintenance of bone architecture is critically dependent on osteoblasts and osteoclasts, the activity of which is underpinned by a range of soluble factors ...


Translational Fidelity And Its Role In Neuronal Homeostasis, Markus Terrey May 2021

Translational Fidelity And Its Role In Neuronal Homeostasis, Markus Terrey

Electronic Theses and Dissertations

The process of translation, which refers to decoding genetic information from mRNA to protein, is vital for all cellular function. Translational fidelity starts at the level of aminoacylation of transfer RNAs (tRNA). This reaction is catalyzed by aminoacyl tRNA synthetases where each amino acid is transferred to its corresponding cognate tRNA. Because tRNAs harbor the anticodon sequence to decodes a particular mRNA codon, the specific aminoacylation of the tRNA with a cognate amino acid establishes the rules of decoding genetic code into proteins. Aminoacylated tRNAs are then delivered to ribosomes, where ribosomes in a highly organized manner need to accurately ...


Bioremediation: Breaking Down The Regulations Of Genetically Modified Microorganisms, Lora Katharine Naismith Apr 2021

Bioremediation: Breaking Down The Regulations Of Genetically Modified Microorganisms, Lora Katharine Naismith

Texas A&M Law Review

Environmental bioremediation is the use of biological activity to reduce the concentration or toxicity of a pollutant. A rapidly increasing population leads to a consequential increase in industrial waste and pollution, and innovators are researching numerous techniques to degrade these pollutants and prevent their spread into the environment. These techniques are expensive and often result in secondary pollutants, which limits their widespread application. Bioremediation, however, presents a cost-friendly and more efficient way to degrade pollutants with little or no secondary pollutants. This Article explores how scientists can use genetically modified microorganisms (“GMMs”) to target specific hazardous wastes that are otherwise ...


Biomedical Applications And Syntheses Of Selected Anthraquinone Dyes, Richard Sirard Apr 2021

Biomedical Applications And Syntheses Of Selected Anthraquinone Dyes, Richard Sirard

Senior Honors Theses

Anthraquinones are aromatic organic compounds that have multiple applications in the biomedical field. Some anthraquinone-based compounds are used as fluorophores to contrast cell nuclei while others act as chemotherapeutic agents. However, there are not many fluorescent anthraquinone cell stains currently available. In this study, commercially available anthraquinone dyes, in addition to other dye families and compounds, were reviewed for their unique properties, advantages, and drawbacks. The development and characterization of three novel anthraquinone fluorophores revealed promising photophysical characteristics, like large Stokes shifts. One of the compounds, RBS3, was chosen for fixed and live cell staining and exhibited desirable biomedical properties ...


Determining The Effect Of A Cbc-Based Oxime On Cell Viability And Apoptosis In Sea Urchin Embryos, Nevin B. Hoenninger, Jack Preston Apr 2021

Determining The Effect Of A Cbc-Based Oxime On Cell Viability And Apoptosis In Sea Urchin Embryos, Nevin B. Hoenninger, Jack Preston

Senior Scholars Day

Natural products are an important source of existing and potential new anti-cancer drugs. We have previously shown that cannabichromene (CBC) oxime and several CBC oxime esters have potent anti-mitotic activity when used in bioassays with sea urchin embryos. In this study we explored the effect of the CBC oxime on cell viability and apoptosis in sea urchin embryos. Newly fertilized or gastrula stage embryos were combined with 10µM or 50uM CBC oxime as well as a DMSO only control. At various timepoints, samples of the embryos were removed from the cultures and stained with three different fluorescent dyes. NucBlue (ThermoFisher ...


Ciliary Extracellular Vesicles Are Distinct From The Cytosolic Extracellular Vesicles, Ashraf M. Mohieldin, Rajasekharreddy Pala, Richard Beuttler, James J. Moresco, John R. Yates Iii, Surya M. Nauli Apr 2021

Ciliary Extracellular Vesicles Are Distinct From The Cytosolic Extracellular Vesicles, Ashraf M. Mohieldin, Rajasekharreddy Pala, Richard Beuttler, James J. Moresco, John R. Yates Iii, Surya M. Nauli

Pharmacy Faculty Articles and Research

Extracellular vesicles (EVs) are cell‐derived membrane vesicles that are released into the extracellular space. EVs encapsulate key proteins and mediate intercellular signalling pathways. Recently, primary cilia have been shown to release EVs under fluid‐shear flow, but many proteins encapsulated in these vesicles have never been identified. Primary cilia are ubiquitous mechanosensory organelles that protrude from the apical surface of almost all human cells. Primary cilia also serve as compartments for signalling pathways, and their defects have been associated with a wide range of human genetic diseases called ciliopathies. To better understand the mechanism of ciliopathies, it is imperative ...


The Analysis Of Folate-Dependent Transcription Factor Zinc Finger Protein 410, Feifan Xu Apr 2021

The Analysis Of Folate-Dependent Transcription Factor Zinc Finger Protein 410, Feifan Xu

Senior Honors Theses

A previous study that introduced dietary folate to mice in the form of folic acid to determine if gene activity would be altered based on this biological molecule demonstrated that mice without folic acid had cognition deficits, and this phenomenon was correlated with altered gene expression in their brains. The included bioinformatic analysis revealed two main transcription factors that bind to proteins in the nucleus, and one is known as the Zinc Finger Protein 410 (Zfp410). Due to the lack of literature explaining the function of this transcription factor, this project is intended to analyze Zfp410 in detail from scratch ...


022— Examining P27 Expression And Quiescence In Clobetasol-Exposed Umscv-4 Vulvar Cancer Cells, Nina Mustico, Vincent Scalcione, Jani E. Lewis Apr 2021

022— Examining P27 Expression And Quiescence In Clobetasol-Exposed Umscv-4 Vulvar Cancer Cells, Nina Mustico, Vincent Scalcione, Jani E. Lewis

GREAT Day

Vulvar cancer is rare, mostly afflicting women aged 60 and older [1]. The cancer is often preceded by a common vulvar rash, lichen sclerosus, that is usually treated with the ultra-potent corticosteroid, clobetasol propionate. This treatment may, in turn, be associated with vulvar carcinogenesis. Our previous findings suggest that clobetasol is causing UMSCV-4 vulvar carcinoma cells to enter a state of quiescence. Quiescence is temporary removal from the cell cycle and can be thought of as a dormant state in which cells are not actively dividing [2]. There is growing evidence suggesting that quiescence may play a role in allowing ...


216— Loss Of Function Mutation For Tp53 Does Not Rescue The Chaf1bNt2 Small-Eye Phenotype In Danio Rerio, Alex Parks Apr 2021

216— Loss Of Function Mutation For Tp53 Does Not Rescue The Chaf1bNt2 Small-Eye Phenotype In Danio Rerio, Alex Parks

GREAT Day

In Zebrafish, the chromosome assembly factor 1b (chaf1b) gene is in part responsible for the development of the eye. In homozygous chaf1bt24412 mutants retinal cell death is promoted through cell-death promoting activity of the gene, tumor suppressor protein p53 (tp53), resulting in a small-eye phenotype. Another allele chaf1bnt2, was found to also result in the small-eye phenotype when in a homozygous state. We found that knockdown of Tp53 protein via morpholino antisense oligonucleotide injection of 1-2 cell stage embryos failed to rescue retinal cell death of chaf1bnt2 homozygous mutants as detected by TUNEL labeling. Because morpholinos may fail to fully ...


The Interconnectivity Of Parkinson's Disease And Type Two Diabetes Mellitus, Erica Olfson Apr 2021

The Interconnectivity Of Parkinson's Disease And Type Two Diabetes Mellitus, Erica Olfson

Honors Theses

This thesis is about the biochemical connection between Parkinson's disease and Type II Diabetes Mellitus.


Zebrafish (Danio Rerio) Hoxb6: An Exploration Into The Divergence Of Genomic Dna Sequence And Gene Expression Across Teleost Fishes Post-Genome Duplication, Amber Lynn Rittgers, Pierre Le Pabic, Adam Davis Apr 2021

Zebrafish (Danio Rerio) Hoxb6: An Exploration Into The Divergence Of Genomic Dna Sequence And Gene Expression Across Teleost Fishes Post-Genome Duplication, Amber Lynn Rittgers, Pierre Le Pabic, Adam Davis

Georgia Journal of Science

Hoxb6 is an evolutionarily conserved developmental regulatory gene that functions, in part, to pattern several organs and organ systems within the embryonic trunk during vertebrate embryogenesis. The cis-regulatory circuitry mediating trunk expression in mouse (Mus musculus) may be conserved across gnathostome vertebrates, as several other species show similar trunk expression patterns, including chicken (Gallus gallus), dogfish shark (Scyliorhinus canicula), and several teleost fishes. A whole genome duplication event that occurred in the lineage leading to teleost fishes has generated at least two Hoxb6 genes, hoxb6a and b6b. Two teleost fishes of the superorder Acanthopterygii, Japanese medaka (Oryzias latipes) and ...


The Effects Of A Survivorship Care Plan On Hospital Readmission Rates In Allogenic Stem Cell Transplant Patients, Chantaney Williams Apr 2021

The Effects Of A Survivorship Care Plan On Hospital Readmission Rates In Allogenic Stem Cell Transplant Patients, Chantaney Williams

The Eleanor Mann School of Nursing Student Works

Stem cell transplants (SCTs) are complicated treatments utilized to treat hematologic malignancies and other disorders, such as multiple myeloma, non-Hodgkin’s lymphoma, Hodgkin’s lymphoma, acute myeloid leukemia, neuroblastomas, germ cell tumors, amyloidosis, and autoimmune disorders such as systemic lupus erythematosus and systemic sclerosis. The complex care of patients undergoing SCTs place them at high risk for adverse outcomes, including infection, cytomegalovirus, graft vs host disease, secondary new cancers, infertility, and sexual dysfunction (American Cancer Society, 2020). Survivorship care plans (SCPs) are a vital part of the discharge process to educate allogenic SCT patients about post-transplantation care. SCPs are implemented ...


The Phoenix, Fernanda Perez-Alvarez Apr 2021

The Phoenix, Fernanda Perez-Alvarez

Montserrat Annual Writing Prize

This article uses a mythical creature, the phoenix, to examine and illustrate the biological principles for generation of an adult body plan from a single cell. Using the study of developmental biology, it explores the cellular and molecular biology that underpins the massive complexity of creating an adult body plan. It also explores the similarities and differences between different embryos, and how nature and evolution have shaped the biology of those embryos to create different body plans.


Histology Of Psoriasis, Allan Roy Sison Apr 2021

Histology Of Psoriasis, Allan Roy Sison

Campus Research Day

I will be presenting a research study on the comparison of the histology of normal skin versus the histology of individuals with Psoriasis.


B25: Generation And Characterization Of Sars-Cov-2 Spike Protein-Pseudotyped Lentivirus Particles For Use In Neutralizing Antibody Titer Testing Of Human Serum, Luis Sanchez Apr 2021

B25: Generation And Characterization Of Sars-Cov-2 Spike Protein-Pseudotyped Lentivirus Particles For Use In Neutralizing Antibody Titer Testing Of Human Serum, Luis Sanchez

Annual Research Symposium

No abstract provided.


B14: Angiogenic Potential Of Oral Cavity Derived Mesenchymal Stem Cells And Its Secretomes: A Systematic Review, Madhura Rajendra Shekatkar Apr 2021

B14: Angiogenic Potential Of Oral Cavity Derived Mesenchymal Stem Cells And Its Secretomes: A Systematic Review, Madhura Rajendra Shekatkar

Annual Research Symposium

No abstract provided.


Investigating The Role Of Alx4a In Mitfa Repression And Iridophore Fate Biasing, Melanie Cragan Apr 2021

Investigating The Role Of Alx4a In Mitfa Repression And Iridophore Fate Biasing, Melanie Cragan

Honors Projects Overview

Investigating the role of the transcription factor alx4a on chromatophore fating in zebrafish.


Role Of Ampk And Akt In Triple Negative Breast Cancer Lung Colonization, Jeremy Johnson, Zeta Chow, Eun Young Lee, Heidi L. Weiss, B. Mark Evers, Piotr G. Rychahou Apr 2021

Role Of Ampk And Akt In Triple Negative Breast Cancer Lung Colonization, Jeremy Johnson, Zeta Chow, Eun Young Lee, Heidi L. Weiss, B. Mark Evers, Piotr G. Rychahou

Pathology and Laboratory Medicine Faculty Publications

Triple negative breast cancer (TNBC) is an aggressive disease with a 5-y relative survival rate of 11% after distant metastasis. To survive the metastatic cascade, tumor cells remodel their signaling pathways by regulating energy production and upregulating survival pathways. AMP-activated protein kinase (AMPK) and Akt regulate energy homeostasis and survival, however, the individual or synergistic role of AMPK and Akt isoforms during lung colonization by TNBC cells is unknown. The purpose of this study was to establish whether targeting Akt, AMPKα or both Akt and AMPKα isoforms in circulating cancer cells can suppress TNBC lung colonization. Transient silencing of Akt1 ...


Toxic Effect Of Crotalus Adamanteus Acidic Phospholipase A2 On Mcf-7 Cell Line, Daniel J. Petra Apr 2021

Toxic Effect Of Crotalus Adamanteus Acidic Phospholipase A2 On Mcf-7 Cell Line, Daniel J. Petra

Honors Thesis

We are investigating the effect of Crotalus adamanteus acidic phospholipase A2 on MCF-7 cells using the MTS assay. Understanding these interactions and isolated effects is critical to developing new ways to treat envenomation. By understanding the effects of individual toxins within a whole venom, we are set to better understand the effects of the whole venom and investigate synergistic actions between venom toxins. In this paper, we are quantifying the amount of MCF-7 cell death caused by Crotalus adamanteus phospholipase A2 on MCF-7 using the MTS assay. Analysis of the amount of cells death caused by the phospholipase ...


Substrate Selection In Endoplasmic Reticulum Protein Quality Control, Ben Adams Apr 2021

Substrate Selection In Endoplasmic Reticulum Protein Quality Control, Ben Adams

Doctoral Dissertations

Protein folding and maturation is a complex and error-prone process. Errors in this process may lead to deleterious effects ranging from non-functional single proteins to large-scale protein aggregation leading to cell death. It is essential for cellular function that protein misfolding does not occur unchecked, and therefore numerous chaperone systems exist within the cell. For the thousands of proteins which traffic through the secretory pathway, the primary site of folding and maturation is the endoplasmic reticulum (ER). Multiple chaperone pathways within the ER, generally termed ER protein quality control, must support the proper maturation process of these thousands of substrates ...


Redefining Cancer Of Unknown Primary: Is Precision Medicine Really Shifting The Paradigm?, Timothée Olivier, Eugenio Fernandez, Intidhar Labidi-Galy, Pierre-Yves Dietrich, Veronica Rodriguez-Bravo, Giulia Baciarello, Karim Fizazi, Anna Patrikidou Apr 2021

Redefining Cancer Of Unknown Primary: Is Precision Medicine Really Shifting The Paradigm?, Timothée Olivier, Eugenio Fernandez, Intidhar Labidi-Galy, Pierre-Yves Dietrich, Veronica Rodriguez-Bravo, Giulia Baciarello, Karim Fizazi, Anna Patrikidou

Department of Cancer Biology Faculty Papers

The concept of Cancer of Unknown Primary (CUP) has evolved with the advent of medical oncology. CUP can be difficult to diagnose and represents 2 to 5% of new cancers, therefore not exceptionally rare. Within CUPs can be identified a subset of favourable prognosis tumours, however the vast majority of CUP patients belongs to a poor prognosis group. CUP features significant oncological challenges, such as unravelling biological and transversal issues, and most importantly, improving patient's outcomes. In that regard, CUP patients’ outcomes regrettably showed minimal improvement for decades and CUP remains a cancer group of very poor prognosis. The ...


The Ssdna Theory Of Brcaness And Genotoxic Agents, Nicholas J. Panzarino Apr 2021

The Ssdna Theory Of Brcaness And Genotoxic Agents, Nicholas J. Panzarino

GSBS Dissertations and Theses

Cancers that are deficient in BRCA1 or BRCA2 are thought to be hypersensitive to genotoxic agents because they cannot prevent or repair DNA double strand breaks, but observations in patients suggest this dogma may no longer agree with experiment. Here, we propose that single stranded DNA underlies the hypersensitivity of BRCA deficient cancers, and that defects in double strand break repair and prevention do not. Specifically, in BRCA deficient cells, ssDNA gaps developed because replication was not effectively restrained in response to stress. In addition, we observed gaps could be suppressed by either restored fork restraint or by gap filling ...


Toward The Discovery Of Biological Functions Associated With The Mechanosensor Mtl1p Of Saccharomyces Cerevisiae Via Integrative Multi-Omics Analysis, Nelson Martínez-Matías, Nataliya Chorna, Sahily González-Crespo, Lilliam Villanueva, Ingrid Montes-Rodríguez, Loyda M. Melendez-Aponte, Abiel Roche-Lima, Kelvin Carrasquillo-Carrión, Ednalise Santiago-Cartagena, Brian C. Rymond, Mohan Babu, Igor Stagljar, José R. Rodríguez-Medina Apr 2021

Toward The Discovery Of Biological Functions Associated With The Mechanosensor Mtl1p Of Saccharomyces Cerevisiae Via Integrative Multi-Omics Analysis, Nelson Martínez-Matías, Nataliya Chorna, Sahily González-Crespo, Lilliam Villanueva, Ingrid Montes-Rodríguez, Loyda M. Melendez-Aponte, Abiel Roche-Lima, Kelvin Carrasquillo-Carrión, Ednalise Santiago-Cartagena, Brian C. Rymond, Mohan Babu, Igor Stagljar, José R. Rodríguez-Medina

Biology Faculty Publications

Functional analysis of the Mtl1 protein in Saccharomyces cerevisiae has revealed that this transmembrane sensor endows yeast cells with resistance to oxidative stress through a signaling mechanism called the cell wall integrity pathway (CWI). We observed upregulation of multiple heat shock proteins (HSPs), proteins associated with the formation of stress granules, and the phosphatase subunit of trehalose 6-phosphate synthase which suggests that mtl1Δ strains undergo intrinsic activation of a non-lethal heat stress response. Furthermore, quantitative global proteomic analysis conducted on TMT-labeled proteins combined with metabolome analysis revealed that mtl1Δ strains exhibit decreased levels of metabolites of carboxylic acid metabolism, decreased ...


College Of Natural Sciences Newsletter, April 2021, College Of Natural Sciences Apr 2021

College Of Natural Sciences Newsletter, April 2021, College Of Natural Sciences

College of Natural Sciences Newsletters and Reports

Volume 2, Issue 4

Page 1 Dean's Message
Page 2 & 3 Awards & Recognition
Page 4 Student Spotlight: Allsion Bjornstad
Page 5 Research Spotlight: Dr. Vondruska & Students
Page 6 Department Head Interviews
Page 7 Media Coverage of CNS
Page 8 Open PRAIRIE Data
Page 9 Student Club Spotlight: BMGSA
Page 10 Then & Now: Urban Geography


Induced Pluripotent Stem Cell Cardiomyocytes Provide An In Vitro Model Of The Myocardial Environment For Investigating Stem Cell Therapies, Jacob M. Gunn Apr 2021

Induced Pluripotent Stem Cell Cardiomyocytes Provide An In Vitro Model Of The Myocardial Environment For Investigating Stem Cell Therapies, Jacob M. Gunn

Honors Projects

Ischemic heart disease remains a major cause of death and disability worldwide (Moran Andrew E. et al., 2014). While interventions for heart disease have come a long way, restoring functionality to damaged myocardium remains a challenge. Both mechanical and electrical repair of the host myocardium are essential to salvage the damaged tissue. This is especially difficult following a myocardial infarction (MI) as the infarct area is subject to quick and extensive cell death via necrosis then apoptosis (Prabhu & Frangogiannis, 2016). Stem cells have emerged as a candidate for potential replacement therapies. Adult stem cells (ASCs) are taken from bone marrow or adipose tissue. Induced Pluripotent Stem Cells (iPSCs) are cells that have been reverse engineered into a pluripotent state. Both ASCs and iPSCs have proven preclinical usefulness in treating heart disease (Gao et al., 2007; Guo et al., 2020). It is theorized that ASCs act primarily through paracrine signaling while iPSCs may have a greater capacity to ...


Cyclophilin D Is A Sensor Of Nano-Pulse Stimulation, Brittney Ruedlinger, Bani Hani Maisoun, Lucas Potter, Nicola Lai, Stephen J. Beebe Apr 2021

Cyclophilin D Is A Sensor Of Nano-Pulse Stimulation, Brittney Ruedlinger, Bani Hani Maisoun, Lucas Potter, Nicola Lai, Stephen J. Beebe

The Graduate School Posters

Nano-Pulse Stimulation (NPS), a pulsed power-derived technology, stimulates structural and functional changes in plasma membranes and cellular organelles. NPS induces a Ca2+ influx and opening of the mitochondrial permeability transition pore (mPTP) that dissipates the mitochondrial membrane potential (ΔΨm) and, when sustained, induces regulated cell death. Here we show that in rat cardiomyoblasts (H9C2) cyclophilin D (CypD) is a mitochondrial sensor for NPS as defined by observations that loss of ΔΨm is Ca2+ and mitochondrial reactive oxygen species (mROS) dependent and cyclosporin A (CsA)-sensitive, which are diagnostic qualities for effects on CypD and the mPTP ...