Dr. Arnaldo Díaz
@ADiaz_PhD
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Associate Dean | Academic Leadership | Scientist | Speaker 🎙 | Opinions are my own.
Joined October 2012
#Mentoring is not about creating mini versions of ourselves. It’s about empowering our students to be independent thinkers & to be proud of their unique voices. It’s also about having faith in our students & having their back in times of difficulty & self-doubt.
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A sensational presentation from Shawna Nesbitt, M.D. on the interplay of hypertension, critical care, and aortic valve disease in complex cardiovascular cases. Attendees of #AHA25 enjoyed hearing from her and learning more.
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Regulated decay of microRNAs plays a critical role in controlling body size in mammals! Check out our new paper in @GenesDev and see thread previously posted along with our pre-print below for more info. https://t.co/gPeohAApld
I am pleased to present our latest pre-print describing our identification of the long-sought triggers for target-directed microRNA degradation (TDMD) of miR-322 and miR-503, led by @ColletteLavigne and @Jaeil__Han. Read on for more info!👇
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@UTSWMedCenter is ranked #1 worldwide in the @NaturePortfolio Index for high-quality biological sciences research. Proud to contribute at UTSW Dermatology advancing skin biology, immunology & translation. #UTSWDerm #ResearchExcellence #DermatologyResearch #UTSouthwestern
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@CRI_UTSW continues pushing the boundaries of science and inspiring the scientific community worldwide! Check out two new publications from the DeBerardinis and @Zhu_Lab labs, published this week in @ScienceMagazine. @UTSWMedCenter @ScienceNews @UTSWScience
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Chair, Department of Internal Medicine - Dallas, Texas - The University of Texas Southwestern Medical Center - https://t.co/wb3299RqSO
#sciencejobs
jobs.sciencecareers.org
University of Texas Southwestern Medical Center invites applications for physician-leader to serve as Chair of the Department of Internal Medicine
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‼️Attention Undergraduates. Looking for research opportunities? Check out the Amgen Scholars Program & the SURF Program at @UTSWGradSchool! Gain hands-on research experience with leading scientists in your field, build skills, network, & more. 🧫🔬🧬🧪🥼 https://t.co/LVvnInh5af
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⭐️Undergrad students looking for summer research opportunities? Check out the SURF & Amgen Scholars programs at @UTSWGradSchool for a faculty-mentored research experience & a comprehensive curriculum designed to set you up for success. Visit us at https://t.co/psTSpzt870
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‼️Attention Undergraduates. Looking for research opportunities? Check out the Amgen Scholars Program & the SURF Program at @UTSWGradSchool! Gain hands-on research experience with leading scientists in your field, build skills, network, & more. 🧫🔬🧬🧪🥼 https://t.co/LVvnInh5af
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Where do cancers start? In the liver, not all cells are the same. The liver is divided into 3 “zones,” and each specializes in different metabolic tasks. We show in @Science that where a mutation occurs in a liver lobule can determine a cell’s fate. https://t.co/3YTc77gZcd (1/9)
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Another reason to love #kidneywk…celebrating innovation and our kidney community’s camaraderie with the home team @UTSWNephrology
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Earlier this week, BME and Neurosurgery faculty came together for a mini retreat to share research and spark new collaborations. Quick talks, great ideas, and exciting possibilities ahead! 🧠🔬 #ResearchRetreat #FacultyCollaboration
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The origin of hepatocellular carcinoma depends on metabolic zonation | @ScienceMagazine @CRI_UTSW @UTSWMedCenter @Zhu_Lab @UTSWScience
https://t.co/RV6E0gJu65
science.org
The origin of cancer is poorly understood because premalignant cells are rarely followed in their native environments. While the spatial compartmentalization of metabolic functions is critical for...
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NUDT5 regulates purine metabolism and thiopurine sensitivity by interacting with PPAT | @ScienceMagazine @CRI_UTSW @UTSWMedCenter @UTSWScience
https://t.co/sRIIN0ncoW
science.org
Cells generate purine nucleotides through de novo purine biosynthesis (DNPB) and purine salvage. Purine salvage represses DNPB to prevent excessive purine nucleotide synthesis through mechanisms that...
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ONLINE NOW in @ScienceMagazine: CRI DeBerardini's Lab discovers protein regulating balance between purine nucleotide production pathways, read more ⬇️ https://t.co/wAAD1esTgc
#relentlentlessdiscovery @ScienceNews
cri.utsw.edu
NUDT5 suppresses de novo purine biosynthesis through PPAT interaction, affects thiopurine sensitivity Nov. 6, 2025 — Dallas — The protein NUDT5 is a vital regulator of how cells build purine nucleo...
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🔖 Ralph's full breakdown: https://t.co/BnB7lBvnIA
#relentlessdiscovery @ScienceNews @ScienceMagazine
ONLINE NOW in @ScienceMagazine: CRI DeBerardini's Lab discovers protein regulating balance between purine nucleotide production pathways, read more ⬇️ https://t.co/wAAD1esTgc
#relentlentlessdiscovery @ScienceNews
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ONLINE NOW in @ScienceMagazine: Zhu Lab discovers location matters for liver cancer's origins. Read more ➡️ https://t.co/0wB41Dr3GR 🔖 @Zhu_Lab breakdown ⬇️ #relentlessdiscovery @ScienceNews
cri.utsw.edu
Hepatocellular carcinoma arises primarily in zone 3 due to glutathione transferase genes that help mutated cells avoid dying Scientists have discovered liver cancers arise in specific metabolic...
Where do cancers start? In the liver, not all cells are the same. The liver is divided into 3 “zones,” and each specializes in different metabolic tasks. We show in @Science that where a mutation occurs in a liver lobule can determine a cell’s fate. https://t.co/3YTc77gZcd (1/9)
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💼 Making a career transition starts with recognizing your strengths—many of which you’ve already built in the lab. Explore: • Leadership training for early-career researchers • Making your research count • The transferable postdoc And more! 👉 https://t.co/zhHVUgIBgd
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Join us for the upcoming PROVIDES seminar, led by Dr. Angel Marti from Rice University. Don’t miss this opportunity to learn about his research. See the post below ⬇️for more details. @UTSWGradSchool @UTSWPostdocs @UTSWmstp @RTPatUTSW
‼️The PROVIDES program invites the @UTSWGradSchool community to a seminar on “Interrogating amyloid fibrillar structures with photoactive metal complexes” by Dr. Angel Marti, Professor and Chairman of Chemistry at @RiceUniversity. Don’t miss out, check the flyer ⬇️ for details!
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‼️The PROVIDES program invites the @UTSWGradSchool community to a seminar on “Interrogating amyloid fibrillar structures with photoactive metal complexes” by Dr. Angel Marti, Professor and Chairman of Chemistry at @RiceUniversity. Don’t miss out, check the flyer ⬇️ for details!
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‼️Save the date! We’re thrilled to welcome Dr. Lisandro Maya-Ramos, @UTSWCardfellow and @HHMINEWS Hanna Gray Fellow, to the STORIES Seminar Series. Join us for an engaging conversation. Don’t miss out! Check out the flyer for details. @UTSWGradSchool @RTPatUTSW
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