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  1. University of Arkansas for Medical Sciences
  2. College of Medicine
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  4. Department News

Department News

UAMS Biochemistry alum speaks about careers in government research

Dustyn Barnette

Dustyn Barnette, Ph.D. is a 2021 Biochemistry and Molecular Biology graduate. He returned to speak about career opportunities in government research.

Filed Under: Department News

Kanishka Manna wins poster award at SE IDeA meeting

Kanishka Manna

Congratulations to Kanishka Manna, a graduate student in the lab of Stephanie Byrum, Ph.D., who won second place in the Bioinformatics Division at the SE IDeA meeting in Columbia, SC. His poster title was, “A novel proteogenomics workflow for proteoforms detection.”

Filed Under: Department News

Xiuqi Wang

Xiuqi Wang

I just started my sixth year in Biochemistry and Molecular Biology Ph.D. program and will graduate in October.

Education

China Pharmaceutical University, B.S. in Pharmacy (Basic Pharmacy).

Research

I have two research interests: 1) Discovery and optimization of novel inhibitors of clinically relevant targets 2) PROTAC and its applications. I have been working on multiple research projects within these research scopes.

I’m currently working on my dissertation thesis based on one of the projects, titled: Identification of Imidazo[1,2 a]pyridine pyridine derivatives as FLT3 kinase inhibitors for potential treatments of acute myeloid leukemia.

Acute myeloid leukemia (AML) is a hematologic cancer characterized by proliferative, clonal, abnormally differentiated, and occasionally poorly differentiated cells. Activating mutations in FMS-like tyrosine kinase 3 (FLT3) are the most frequent genetic alteration in AML, found in approximately 30% of newly diagnosed cases, most commonly consisting of internal tandem duplication (ITD) mutations in the juxtamembrane region. Recently, several FLT3 inhibitors have demonstrated clinical activity and three are currently approved – midostaurin, quizartinib, and gilteritinib. However, their clinical efficacies are limited in part due to the emergence of secondary clinical resistance, caused by multiple mechanism including on-target FLT3 secondary mutations – FLT3-ITD/D835Y and FLT3-ITD/F691L being the most common, as well as the off-target activation of alternative pathways including the BCR-ABL pathway. Therefore, in order to overcome drug resistance and further improve outcomes, new compounds targeting FLT3-ITD with secondary mutants are urgently needed. In my works, three compounds were identified with potent anti-leukemic effects, and may be further developed for treatment of AML.

Notable about his time as a Graduate

Throughout my Ph.D. periods, I got to know that research is never a solitary work. It requires frequent communication and close collaboration to get the work done.

Career Goals

I will seek postdoc training after my Ph.D. I have already accepted the postdoc offer at Dana-Farber Cancer Institute, Harvard Medical School, working with Dr. Jun Qi. My vision for my future career is to take on the academic path and be an independent principal investigator after the postdoc training.  

Experiment or technique you would most like to do (could be something you enjoy doing or something you have never done but would like to get the opportunity to do)

I like the design and synthesis of new compounds because there is a sense of satisfaction in creating something new.

Fun Fact about Xiuqi

I like hiking and exploring nature.

Filed Under: Department News, Student Highlights

Research Induction Ceremony

2023 white coat recipients and their mentors
Dr. Marie Burdine, Randall Rainwater, Mason McCrury, Dr. Samantha Kendrick, Reham Sewilam, Dr. Robert Eoff

Doctor of Philosophy students who passed their candidacy exams in the last year received their white coats at the Graduate School Research Induction Ceremony. Students from the Biochemistry and Molecular Biology Track who received their white coats were Reham Sewilam, mentored by Robert Eoff, Ph.D., Mason McCrury, mentored by Samantha Kendrick, Ph.D., and Randall Rainwater, mentored by Marie Burdine, Ph.D. Congratulations to all!

Filed Under: Department News

August 2023 publications

Byrum lab

Cutting-Edge Technologies Driving Quantitative Mass Spectrometry.
Avaritt NL, Byrum SD.
J Vis Exp. 2023

Miller lab

Bioactivation and reactivity research advances – 2022 year in review.
Wang S, Argikar UA, Cheruzel L, Cho S, Crouch RD, Dhaware D, Heck CJS, Johnson KM, Kalgutkar AS, King L, Liu J, Ma B, Maw H, Miller GP, Seneviratne HK, Takahashi RH, Wei C, Khojasteh SC.
Drug Metab Rev. 2023

Michael Birrer

Proteogenomic analysis of chemo-refractory high-grade serous ovarian cancer.
Chowdhury S, Kennedy JJ, Ivey RG, Murillo OD, Hosseini N, Song X, Petralia F, Calinawan A, Savage SR, Berry AB, Reva B, Ozbek U, Krek A, Ma W, da Veiga Leprevost F, Ji J, Yoo S, Lin C, Voytovich UJ, Huang Y, Lee SH, Bergan L, Lorentzen TD, Mesri M, Rodriguez H, Hoofnagle AN, Herbert ZT, Nesvizhskii AI, Zhang B, Whiteaker JR, Fenyo D, McKerrow W, Wang J, Schürer SC, Stathias V, Chen XS, Barcellos-Hoff MH, Starr TK, Winterhoff BJ, Nelson AC, Mok SC, Kaufmann SH, Drescher C, Cieslik M, Wang P, Birrer MJ, Paulovich AG.
Cell. 2023

Authors

Exosomal MicroRNA and Protein Profiles of Hepatitis B Virus-Related Hepatocellular Carcinoma Cells.
Todorova VK, Byrum SD, Mackintosh SG, Jamshidi-Parsian A, Gies AJ, Washam CL, Jenkins SV, Spiva T, Bowman E, Reyna NS.
Int. J. Mol. Sci. 2023

Filed Under: Department News

Michael Birrer, M.D., Ph.D., Contributes to Major Ovarian Cancer Discovery; Findings Published in Cell

Michael Birrer
UAMS Winthrop P. Rockefeller Cancer Institute Director Michael Birrer, M.D., Ph.D.

By Marty Trieschmann

Aug. 3, 2023 | The Birrer Laboratory at the University of Arkansas for Medical Sciences (UAMS) Winthrop P. Rockefeller Cancer Institute helped discover a proteogenomic signature in ovarian cancer that may improve the way the disease is treated around the world.

The discovery, which identifies a 64-protein-gene signature that can predict primary treatment resistance in patients with high grade ovarian cancer, was published Aug. 3 in the journal Cell.

Michael Birrer, M.D., Ph.D., director of the UAMS Winthrop P. Rockefeller Cancer Institute and UAMS vice chancellor, is a senior author on the Cell publication. Birrer, who was the co-principal investigator of the U01 grant from the National Cancer Institute’s Clinical Proteomic Tumor Analysis Consortium, has a laboratory dedicated to the translation of the genomics of ovarian cancer into better treatment of the disease.

Amanda Paulovich, M.D., Ph.D., physician-scientist at Fred Hutchinson Cancer Center and Birrer’s co-author on the study, praised the UAMS team for its work.

“Mike’s decades of experience treating ovarian cancer patients was crucial to ensuring that our project goals and design were crafted to meet the needs of patients with the most devastating form of this disease — platinum refractory ovarian cancers.”

The Birrer Lab helped design, implement, analyze and interpret the results of the study and was critical in assuring the project had sufficient clinically annotated patient specimens for the state of the art proteomic/genomic analysis. His team characterized proteins and genetic markers in 242 high-grade serous ovarian cancers that responded or did not respond to treatment. The tumor samples were collected from patients before they began treatment.

The overall prognosis for women with high grade ovarian cancer is challenging, although the median survival rate has improved to five years. Unfortunately, patients with refractory tumors, those that do not respond to initial therapy, remains unchanged. These patients waste precious time going through initial treatments that do not work.

“Right now, we can’t identify these ovarian cancer patients up front. We find them by default: They get sick and pass away so quickly that they can’t even be put on new clinical trials,” said Birrer. “This study is a huge step forward in that.

“For the first time, we will know if a patient is unlikely to get better with standard treatment and make better recommendations for them to immediately explore other options like new therapeutics in clinical trials.”Further, the study identifies five subgroups of refractory tumors by specific activated pathways, some of which may be targetable.

The study was led by Paulovich, Birrer and Pei Wang, Ph.D., professor of Genetics and Genomic Sciences at the Icahn School of Medicine in Mount Sinai, NY.

A former Harvard Medical School professor, Birrer joined UAMS in 2019 after directing the O’Neal Comprehensive Cancer Center at the University of Alabama in Birmingham. A New Jersey native, he completed his medical degree and doctor of philosophy degree in 1982 in the Medical Scientist Training Program at the Albert Einstein College of Medicine in New York. He served his internship and residency at Massachusetts General Hospital, where he realized cancer treatment and research were improving by leaps and bounds. Inspired, Birrer entered the Medical Oncology Fellowship Program at the National Cancer Institute in Bethesda, Maryland. He was appointed professor of medicine at the Harvard School of Medicine and was director of Gynecologic Medical Oncology at Massachusetts General Hospital and the Gynecologic Oncology Research Program at the Dana-Farber/Harvard Cancer Center.

Filed Under: Department News

July 2023 Publications

Eoff lab members

Conservation of the insert-2 motif confers Rev1 from different species with an ability to disrupt G-quadruplexes and stimulate translesion DNA synthesis.
Ketkar A, Sewilam RS, McCrury MJ, Hall JS, Bell A, Paxton BC, Tripathi S, Gunderson JEC, Eoff RL.
RSC Chem Biol.

Alicja Urbaniak

Musashi exerts control of gonadotrope target mRNA translation during the mouse estrous cycle.
Moreira ARS, Lim J, Urbaniak A, Banik J, Bronson K, Lagasse A, Hardy L, Haney A, Allensworth M, Miles TK, Gies A, Byrum SD, Wilczynska A, Boehm U, Kharas M, Lengner C, MacNicol MC, Childs GV, MacNicol AM, Odle AK.
Endocrinology.

Leung lab members
Image by Evan D. Lewis

UBA80 and UBA52 fine-tune RNF168-dependent histone ubiquitination and DNA repair.
Lee SO, Kelliher JL, Song W, Tengler K, Sarkar A, Dray E, Leung JWC.
J Biol Chem.

Filed Under: Department News

Enthusiastic Scholars Talk Science at Arkansas Undergraduate Summer Research Symposium

By Nathan Tidwell

Students from 41 colleges and universities across the nation recently attended the 10th annual Arkansas Undergraduate Summer Research Symposium at the University of Arkansas for Medical Sciences (UAMS).

The symposium celebrated achievements by undergraduates pursuing research in a wide range of biomedical-related topics. The UAMS Department of Biochemistry and Molecular Biology organized and sponsored the event with support from the UAMS Graduate School and the IDeA Networks of Biomedical Research Excellence (INBRE) program.

Rishiraj Pandya of Washburn University in Topeka, Kansas, discusses his poster. Image by Nathan Tidwell
Rishiraj Pandya of Washburn University in Topeka, Kansas, discusses his poster. Image by Nathan Tidwell

“We want to help prepare a new generation of researchers to solve the problems of tomorrow, especially in light of the pandemic in which science played a critical role in putting us on a path to recovery. Last year, there was high interest and participation that reached pre-pandemic levels,” said Grover Paul Miller, Ph.D., a professor in the College of Medicine Department of Biochemistry and Molecular Biology and the organizer of the symposium.

Grover Paul Miller
Grover Paul Miller, Ph.D., welcomes the students to the symposium.

The 2023 symposium was the second consecutive year for the event following a two-year interruption due to the COVID-19 pandemic.

The event was held July 26 at the I. Dodd Wilson Education Building and backed by grant funding from the National Institute of General Medical Sciences. This time, there was over 130 student researchers registered with more than 100 faculty and administrators in support.

Undergraduate and high school students participated in 17 different research programs in colleges and universities, as well as the U.S. Food & Drug Administration’s National Center for Toxicological Research (NCTR) near Pine Bluff.

“This year is our largest number of student presenters,” Miller said in his opening. “Real research happens when you get to talk about the science you do, because it’s a lot of fun. There are a lot of things that work out really well, and a lot of things that do not. Science is about that journey, and this symposium is about talking about your journey to this day.”

Natalie Stocks
Natalie Stocks of the University of Central Arkansas with her poster.

The following students were selected to give oral presentations, which were divided into morning and afternoon sessions:

  • Kennedi Burns, Hendrix College (Summer Research Internship Program)
  • Kya Carroll, Hendrix College (Summer Undergraduate Research Program)
  • Harrison Cook, University of Mississippi (INBRE)
  • Braden Glenn, Lyon College (INBRE)
  • Muzala Kawatu, Brown University (Summer Undergraduate Research Program)
Kennedi Burns, Trace Morrow
Kennedi Burns (Hendrix College) and Trace Morrow (Ouachita Baptist University) were among 12 selected for oral presentations.
  • Christian Lu, Arkansas School for Mathematics, Sciences and the Arts (Summer Research Internship Program)
  • Aiiryel McCoy, University of Arkansas at Little Rock (Professional Research Opportunity)
  • Trace Morrow, Ouachita Baptist University (OBU Summer Research Program)
  • Akshay Padala, Emory University (NCTR)
  • Sreevatsav Seenivasan, University of Arkansas at Fayetteville (Summer Undergraduate Research Fellowship)
  • Jordan Su, Case Western Reserve University (NCTR)Anna Vollintine, University of Arkansas at Little Rock (Summer Research Internship Program)

“These 12 were selected out of 45 submissions,” said Samantha Kendrick, Ph.D., a professor in the College of Medicine Department of Biochemistry and Molecular Biology. “I think they all did a fantastic job.”

Lu, one of the high school students participating in UAMS’ summer research programs, spoke on glioblastoma.

“Glioblastoma is a very common and aggressive type of brain cancer,” Lu said. “Treatment is limited to surgery, radiation therapy and chemotherapy. The problem with glioblastoma is that after treatment, the cancer will almost always come back due to the presence of cancer stem cells.”

Vollintine’s project was “The Effects of Sleep Deprivation on Problem Solving with Artificially Induced Schooling,” with research done using fish.

NCTR Students
Rohini Donakonda (Loyola University Chicago) and Sathvika Ganti (Temple University) were two students in the program at the National Center for Toxicological Research.

“Fish are fed twice daily at scheduled times during the five days of testing,” said Vollintine. “The population being tested are fed during and after testing, then returned to regular feeding and regular sleep cycles. LED lighting was used to induced sleep deprivation. The sleep-deprived males were not as inclined to be social.”

Morning and afternoon poster sessions of approximately one hour each gave students a chance to discuss their research with faculty, guests, mentors and peers.

Carter Bierbaum of the University of Central Arkansas and his cohorts in the Summer Undergraduate Research Fellowship program studied the effects of olanzapine, a drug used to treat mental disorders, and its interaction with other medications.

“For drug interactions right now, it’s either yes or no as to whether they can be taken together,” Bierbaum said. “You can say these three drugs can’t be used in combination with each other, but if we had more data maybe it’s just one drug that causes the issue.”

Alasiah Bledsoe of Emory University and the Summer Research Internship Program conducted a review of telehealth definitions.

Whit Lawrence
Whit Lawrence of Ouachita Baptist University with one of 118 student posters.

“We’re trying to show exactly what telehealth is,” said Bledsoe. “Many are using telemedicine and telehealth interchangeably. Telemedicine is provider to provider and patient care, while telehealth encompasses health education, health administration, and public health.”

Ouachita Baptist University’s Lawrence Davis’ research was understanding how organisms move better during long-term space travel.

“We’re looking at the effects of light and hypo-gravity on the development and movement of slime mold,” Davis said. “A slime mold is considered a model organism that has characteristics of animals, fungi and plants. We’re limited on light in space, so we need understand how plants react.”

Trying to find a better way to forecast the maximum rate of oxygen in children was another research topic.

Hannah Reynolds Poster
Hannah Reynolds of Lyon College researched issues with water sources.

“It’s easy to predict that in adults because it takes several different fitness tests and adults have more control over their bodies,” said Vera Kanu of Hall STEAM High School and the Summer Research Internship Program. “It’s unpredictable in kids, and we want to be able to do one or two fitness tests to be able to predict that maximum rate.”

Guest speaker Sarah Eddy, J.D., Ph.D., an associate at Norton Rose Fulbright in Austin, Texas, talked about “The Unexpected Path from Proteins to Patents & Some Lessons Learned Along the Way.” Eddy, a native of Bigelow, Arkansas, is a former participant in INBRE and attended UAMS’ Graduate School.

Ten students were acknowledged for the top poster presentations:

  • Emily Bosche, Hendrix College (Hendrix College Biochemistry-Molecular Biology Research)
  • Alexander Browning, Ouachita Baptist University (INBRE)
  • Rhea Choudhary, Pulaski Academy High School (Summer Research Internship Program)
  • Emili Elkins, Columbia University (Summer Undergraduate Research Program)
  • Harry Lance, Hendrix College (Hendrix Odyssey Program)
  • Caleb Lovell, University of Arkansas at Fayetteville (INBRE)
  • Michelle Ma, University of Texas at Austin (Summer Undergraduate Research Fellowship)
  • Raga Mandali, New York University (Summer Research Internship Program)
  • Jack Nolen, Hendrix College (Stead Scholars Internship)
  • Alexx Weaver, Arkansas State University (Professional Research Opportunity)

“These students were selected out of 118 posters,” Miller said. “That’s a significant achievement. There’s a lot of great research out there, and it was highly competitive.”

Diane McKinstry, INBRE summer program manager, received a surprise award.

Poster Presentations
Poster presentations took place in the morning and afternoon.

“She makes time for this symposium every year,” said Miller. “She’s instrumental in keeping a lot of these programs together.”

The day ended with a presentation to Miller for his work.

“This is a fantastic program and I’m thrilled with the way it’s developed over the years,” said Kevin Raney, Ph.D., a professor and chair of the College of Medicine Department of Biochemistry and Molecular Biology. “Dr. Miller is dedicated to excellence in teaching, mentoring, and inspiring the next generation of biomedical scientists. This symposium is a huge success because of him.”

Filed Under: Department News

Congratulations Dr. Bronson

Katie Bronson

Congratulations to Katie Bronson on the successful defense of her dissertation entitled, “Regulation of Musashi-dependent translational activation by co-associated proteins.” Katie was mentored by Angus MacNicol. She will be staying at UAMS for postdoctoral studies in the lab of Alan Tackett.

Filed Under: Department News

June 2023 publications

Miller lab

Editorial: Advancements in computational studies of drug toxicity.
Flynn NR, Miller GP, Swamidass SJ.
Front Pharmacol.

Filed Under: Department News

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