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Articles 1 - 5 of 5
Full-Text Articles in Medical Genetics
Unconventional Activation Of Prkdc By Tnf-Α: Deciphering Its Crucial Role In Th1-Mediated Inflammation Beyond Dna Repair As Part Of The Dna-Pk Complex, Mohamed A. Ghonim, Jihang Ju, Kusma Pyakurel, Salome V. Ibba, Mai M. Abouzeid, Hamada F. Rady, Shigemi Matsuyama, Luis Del Valle, A. Hamid Boulares
Unconventional Activation Of Prkdc By Tnf-Α: Deciphering Its Crucial Role In Th1-Mediated Inflammation Beyond Dna Repair As Part Of The Dna-Pk Complex, Mohamed A. Ghonim, Jihang Ju, Kusma Pyakurel, Salome V. Ibba, Mai M. Abouzeid, Hamada F. Rady, Shigemi Matsuyama, Luis Del Valle, A. Hamid Boulares
School of Medicine Faculty Publications
Background: The DNA-dependent protein kinase (DNA-PK) complex comprises a catalytic (PRKDC) and two requisite DNA-binding (Ku70/Ku80) subunits. The role of the complex in repairing double-stranded DNA breaks (DSBs) is established, but its role in inflammation, as a complex or individual subunits, remains elusive. While only ~ 1% of PRKDC is necessary for DNA repair, we reported that partial inhibition blocks asthma in mice without causing SCID. Methods: We investigated the central role of PRKDC in inflammation and its potential association with DNA repair. We also elucidated the relationship between inflammatory cytokines (e.g., TNF-α) and PRKDC by analyzing its connections to …
How Can Academic Health Science Centers Help To Increase Diversity In The Stem Professions?, Mary Moore, Martha Cuccia, Alicia Edwards, Chindo Hicks, Angela Mclean, Christian Nieves-Rivera, Gabrielle Sheets, Kelly Jean Sherman, Allison Augustus-Wallace, Fern Tsien
How Can Academic Health Science Centers Help To Increase Diversity In The Stem Professions?, Mary Moore, Martha Cuccia, Alicia Edwards, Chindo Hicks, Angela Mclean, Christian Nieves-Rivera, Gabrielle Sheets, Kelly Jean Sherman, Allison Augustus-Wallace, Fern Tsien
School of Public Health Faculty Publications
In the United States, great inequities exist within the science, technology, engineering, and math (STEM) fields in individuals who self-identify as belonging to underrepresented groups (e.g., from socioeconomically disadvantaged backgrounds, people with disabilities, and Black/African American, Hispanic/Latino, American Indian, Alaska Native, Native Hawaiian, or Pacific Islander). Underrepresentation in STEM careers has been documented to be due to a lack of qualified and diverse teaching personnel, limited access to resources in disadvantaged schools, and implicit bias within US institutions. In recognition of these inequities, an interprofessional team of biomedical faculty members and diversity, equity and inclusion (DEI) educators from the Louisiana …
Maternal Western Diet Programs Cardiometabolic Dysfunction And Hypothalamic Inflammation Via Epigenetic Mechanisms Predominantly In The Male Offspring, Mona Elgazzaz, Clara Berdasco, Jone Garai, Melody Baddoo, Shiping Lu, Hisham Daoud, Jovanny Zabaleta, Franck Mauvais-Jarvis, Eric Lazartigues
Maternal Western Diet Programs Cardiometabolic Dysfunction And Hypothalamic Inflammation Via Epigenetic Mechanisms Predominantly In The Male Offspring, Mona Elgazzaz, Clara Berdasco, Jone Garai, Melody Baddoo, Shiping Lu, Hisham Daoud, Jovanny Zabaleta, Franck Mauvais-Jarvis, Eric Lazartigues
School of Medicine Faculty Publications
Objective; Maternal exposure during pregnancy is a strong determinant of offspring health outcomes. Such exposure induces changes in the offspring epigenome resulting in gene expression and functional changes. In this study, we investigated the effect of maternal Western hypercaloric diet (HCD) programming during the perinatal period on neuronal plasticity and cardiometabolic health in adult offspring. Methods; C57BL/6J dams were fed HCD for 1 month prior to mating with regular diet (RD) sires and kept on the same diet throughout pregnancy and lactation. At weaning, offspring were maintained on either HCD or RD for 3 months resulting in 4 treatment groups …
H2s, Sg-1002, Protects Against Myocardial Oxidative Damage And Hypertrophy In Vitro Via Induction Of Cystathionine Β-Synthase And Antioxidant Proteins, Rahib K. Islam, Erinn Donnelly, Erminia Donnarumma, Fokhrul Hossain, Jason D. Gardner, Kazi N. Islam
H2s, Sg-1002, Protects Against Myocardial Oxidative Damage And Hypertrophy In Vitro Via Induction Of Cystathionine Β-Synthase And Antioxidant Proteins, Rahib K. Islam, Erinn Donnelly, Erminia Donnarumma, Fokhrul Hossain, Jason D. Gardner, Kazi N. Islam
School of Medicine Faculty Publications
Endogenously produced hydrogen sulfide (H2S) is critical for cardiovascular homeostasis. Therapeutic strategies aimed at increasing H2S levels have proven cardioprotective in models of acute myocardial infarction (MI) and heart failure (HF). The present study was undertaken to investigate the effects of a novel H2S prodrug, SG-1002, on stress induced hypertrophic signaling in murine HL-1 cardiac muscle cells. Treatment of HL-1 cells with SG-1002 under serum starvation without or with H2O2 increased the levels of H2S, H2S producing enzyme, and cystathionine β-synthase (CBS), as well as antioxidant protein levels, such as super oxide dismutase1 (SOD1) and catalase, and additionally decreased oxidative …
Notch Signaling Regulates Mitochondrial Metabolism And Nf-Κb Activity In Triple-Negative Breast Cancer Cells Via Ikkα-Dependent Non-Canonical Pathways, Fokhrul Hossain, Claudia Sorrentino, Deniz A. Ucar, Yin Peng, Margarite Matossian, Dorota Wyczechowska, Judy Crabtree, Jovanny Zabaleta, Silvana Morello, Luis Del Valle, Matthew Burow, Bridgette Collins-Burow, Antonio Pannuti, Lisa M. Minter, Todd E. Golde, Barbara A. Osborne, Lucio Miele
Notch Signaling Regulates Mitochondrial Metabolism And Nf-Κb Activity In Triple-Negative Breast Cancer Cells Via Ikkα-Dependent Non-Canonical Pathways, Fokhrul Hossain, Claudia Sorrentino, Deniz A. Ucar, Yin Peng, Margarite Matossian, Dorota Wyczechowska, Judy Crabtree, Jovanny Zabaleta, Silvana Morello, Luis Del Valle, Matthew Burow, Bridgette Collins-Burow, Antonio Pannuti, Lisa M. Minter, Todd E. Golde, Barbara A. Osborne, Lucio Miele
School of Medicine Faculty Publications
Triple negative breast cancer (TNBC) patients have high risk of recurrence and metastasis, and current treatment options remain limited. Cancer stem-like cells (CSCs) have been linked to cancer initiation, progression and chemotherapy resistance. Notch signaling is a key pathway regulating TNBC CSC survival. Treatment of TNBC with PI3K or mTORC1/2 inhibitors results in drug-resistant, Notch-dependent CSC. However, downstream mechanisms and potentially druggable Notch effectors in TNBC CSCs are largely unknown. We studied the role of the AKT pathway and mitochondrial metabolism downstream of Notch signaling in TNBC CSC from cell lines representative of different TNBC molecular subtypes as well as …