Category: Injury and Illness

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Career Conversations: Q&A With Clinician-Scientist Faheem Guirgis

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Dr. Guirgis in a white lab coat.
Dr. Faheem Guirgis. Credit: University of Florida, Jacksonville.

“Patients at urban and inner-city hospitals are in dire need of high-quality care and frequently don’t have access to clinician-scientists doing cutting-edge research. That’s part of what has made me committed to performing research in these settings,” says Faheem Guirgis, M.D., an associate professor of emergency medicine at the University of Florida College of Medicine, Jacksonville. Check out the highlights of our interview with Dr. Guirgis below to learn how he became a doctor and what inspired him to conduct research on sepsis.

Q: How did you become interested in science and medicine?

A: After the phase of wanting to be a firefighter or police officer, the next thing I remember wanting to be was a doctor. My father was and is my ultimate inspiration for pursuing a career in medicine. He was a family-practice physician committed to providing the best care possible for his patients before retiring recently, and they loved him.

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Career Conversations: Q&A With Neuroimmunology Researcher Jingru Sun

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Dr. Jingru Sun. Credit: Cori Kogan.

“If you want to pursue a career in science, it’s very important to foster a hardworking attitude, a creative mind, and critical thinking,” says Jingru Sun, Ph.D., an associate professor of translational medicine and physiology at Washington State University’s Elson S. Floyd College of Medicine in Spokane. Our interview with Dr. Sun highlights how her career path led her to research the way the nervous system regulates immune responses.

Q: How did you become interested in science?

A: In high school, I had an amazing teacher who introduced me to the scientific world, guided me to ask the right questions, and encouraged me to find answers by myself. I asked questions like: How do trees produce oxygen? How can we see bacteria through a microscope? Why are humans smarter than other animals?

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Pathways: The Anesthesia Issue

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A magazine cover showing two mushroom-like structures with their wide ends facing each other and small particles between them. Text reads What is this? And what does it have to do with controlling how you feel pain? (Find out inside!). Cover of Pathways student magazine.

NIGMS and Scholastic bring you Pathways: The Anesthesia Issue, which explores pain and the science behind anesthesia—the medical treatment that prevents patients from feeling pain during surgery and other procedures. Without anesthesia, many life-saving medical procedures would be impossible.

Pathways, designed for students in grades 6 through 12, aims to build awareness of basic biomedical science and its importance to health, while inspiring careers in research. All materials in the collection are available online and are free for parents, educators, and students nationwide.

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Scientist Studies Burn Therapies After Being Severely Burned as a Child

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“If I was going to do science, I wanted it to help people,” says Julia Bohannon, Ph.D., an assistant professor of anesthesiology at Vanderbilt University Medical Center in Nashville, Tennessee.

A headshot of Dr. Julia Bohannon wearing a lab coat.
Dr. Julia Bohannon. Credit: Vanderbilt University Medical Center.

Dr. Bohannon researches therapies that could help prevent infections in patients with severe burn injuries. Infections are common in these patients because burn injuries typically suppress the immune system. Dr. Bohannon originally planned to become a burn surgeon, inspired by the doctor who treated her after she was severely burned as a child. But during her junior year of college at Eastern Kentucky University in Richmond, she started working in a genetics lab and enjoyed it so much that she began considering a research career.

Choosing a Path Forward

After graduating with her bachelor’s degree, Dr. Bohannon worked for 2 gap years in a translational research lab at the University of Kentucky to decide between pursuing an M.D. or a Ph.D. She ultimately entered a Ph.D. program at the University of Texas Medical Branch in Galveston and conducted research in the lab of Tracy Toliver-Kinsky, Ph.D., at the Shriners Children’s burn center. Upon earning her Ph.D., Dr. Bohannon took a postdoctoral position with Edward Sherwood, Ph.D., at the University of Texas Medical Branch, where she studied potential treatments to improve immune cell function after burns. To continue her work, she followed Dr. Sherwood a year later when he moved to Vanderbilt University Medical Center.

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Science Snippet: Brush Up on Biofilms

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A biofilm is a highly organized community of microorganisms that develops naturally on certain surfaces. Typically, biofilms are made up of microbes and an extracellular matrix that they produce. This matrix can include polysaccharides (chains of sugars), proteins, lipids, DNA, and other molecules. The matrix gives the biofilm structure and helps it stick to a surface.

Formation of a biofilm often involves a process called quorum sensing. In this process, microbes detect when they reach a certain population density and change their behavior in ways that help them function as a community.

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Staying Safe From Sepsis

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This post was adapted with permission from the NIH News in Health article, “Staying Safe From Sepsis.”

Your immune system is on patrol every day. It protects your body from bacteria, viruses, and other germs. But if something goes wrong, it can also cause big problems.

Many small oblong shapes, some making up brightly colored clusters.
White blood cells undergoing a cascade of biochemical changes that is part of the immune response. Credit: Xiaolei Su, HHMI Whitman Center of the Marine Biological Laboratory.

Sepsis happens when your body’s response to an infection spirals out of control. Your body releases molecules into the blood called cytokines to fight the infection. But those molecules then trigger a chain reaction.

“Sepsis is basically a life-threatening infection that leads to organ dysfunction,” says Richard Hotchkiss, M.D., who studies sepsis at Washington University in St. Louis, Missouri. The most dangerous stage of sepsis is called septic shock. It can cause multiple organs to fail, including the liver, lungs, and kidneys.

Septic shock begins when the body’s response to an infection damages blood vessels. When blood vessels are damaged, your blood pressure can drop very low. Without normal blood flow, your body can’t get enough oxygen.

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Tackling Health Disparities in Louisiana

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“If you bring a public health program to people where they live, you can get amazing results,” says Peter Katzmarzyk, Ph.D., a professor of pediatric obesity and diabetes at Pennington Biomedical Research Center, Louisiana State University. Specifically, bringing health programs into underserved communities can lead to strong engagement and positive changes in people’s health. Dr. Katzmarzyk is part of the NIGMS-funded Louisiana Clinical & Translational Science Center (LA CaTS), a collaboration between 10 academic, research, and health care delivery institutions that focuses on reducing health disparities in Louisiana.

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Accelerating the Development of Tests for Endometriosis and Cancer

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NIGMS’ Small Business Technology Transfer (STTR) program works toward more effective methods for patient screening, diagnosis, and treatment.

Translating lab discoveries into health care products requires large investments of time and resources. Through STTR funding, NIGMS supports researchers interested in transitioning their discoveries and/or inventions into products. Here are the stories of three researchers working with the XLerator Hub, one of the funded programs that supports six southeastern IDeA states and Puerto Rico.

Ending Diagnostic Delays for Endometriosis

A headshot of Dr. Idhaliz Flores-Caldera. Dr. Idhaliz Flores-Caldera.
Credit: Courtesy of Dr. Flores-Caldera.

Idhaliz Flores-Caldera, Ph.D., a professor of basic sciences and OB-GYN at Ponce Health Sciences University in Puerto Rico, has studied endometriosis for nearly 20 years. Endometriosis occurs when endometrial tissue, which typically lines the uterus, grows elsewhere in the body. Dr. Flores-Caldera first had the idea for a noninvasive diagnostic test for the disorder about 10 years ago. But it was only when she learned about funding opportunities from the XLerator Hub that she saw a path to validating her preliminary research findings and eventually commercializing her test.

Dr. Flores-Caldera applied for and was accepted into the hub’s proof-of-concept program, Ideas to Products, which funds researchers to flesh out ideas they want to commercialize. “I am very appreciative of how the program has provided me with tools and knowledge about commercializing a product and the process of patenting a product,” she says. “In general, scientists aren’t educated on this important topic.”

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Engage Learners in Science and Health With Our Kahoots!

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NIGMS, in collaboration with Scholastic, has developed a collection of free biology and health activities on the educational app Kahoot! You can play them alone, with friends, or with a class of students. Four Kahoots! are currently available:

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COVID-19 Vaccine and Therapeutic Trials ACTIV-ate in West Virginia

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Hands in medical gloves drawing liquid from a vial into a syringe with a model of SARS-CoV-2 in the background. ACTIV clinical trials will evaluate the safety and efficacy of COVID-19 treatments and vaccines. Credit: iStock.

Since the virus that causes COVID-19, known as SARS-CoV-2, was first reported in late 2019, scientists have launched hundreds of studies on strategies for diagnosis, prevention, and treatment. To prioritize the most promising vaccine and therapeutics candidates, streamline clinical trials, and coordinate regulatory processes, the National Institutes of Health (NIH) and the Foundation for the NIH have established the Accelerating COVID-19 Therapeutic Interventions and Vaccines (ACTIV) partnership. ACTIV brings together eight government entities, 20 biopharmaceutical companies, and four nonprofit organizations.

The public-private partnership provides infrastructure, subject matter expertise, and funding to efficiently bring the most promising therapeutics and vaccines into clinical trials. Five ACTIV therapeutic trials are underway. NIGMS-supported Institutional Development Award Program Infrastructure for Clinical and Translational Research (IDeA-CTR) networks reach historically underserved areas and populations, which are important participants in such trials.

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