Dr. Colvin studies how various environmental factors, medical conditions, and education methods impact patient health and healthcare providers. For instance, he investigates the relationship between indoor air pollution and stress among asthma patients, showing that better air quality may help manage their symptoms. He also looks into complex cases like hemophagocytic lymphohistiocytosis (HLH) in patients with chronic lymphocytic leukemia, emphasizing the importance of recognizing severe infections to initiate timely treatment. Additionally, Colvin’s work on medical education highlights the benefits of community-based training for future healthcare professionals, suggesting improved outcomes for patients through this approach.
Key findings
In asthma patients, there was a reported average stress score of 6.5 for those exposed to high traffic pollution compared to 5.3 for those with lower exposure, linking higher indoor pollution to increased stress.
A patient with chronic lymphocytic leukemia presenting with five life-threatening infections emphasizes the need for immediate recognition of HLH to prevent severe complications.
Students in community-based training scored higher on standardized exams compared to their peers in traditional rotations, indicating better educational outcomes.
In a study of 70 HIV-associated Plasmablastic lymphoma patients, the average survival was 14 months, with a complete response to chemotherapy being crucial for longer patient survival.
Underweight women were half as likely to receive routine mammography screenings compared to normal weight women, highlighting significant disparities in breast cancer screening access.
Frequently asked questions
Does Dr. Colvin study asthma?
Yes, he studies the effects of environmental factors, like indoor air quality, on asthma patients' stress levels.
What treatments has Dr. Colvin researched?
He has researched a variety of treatments, including chemotherapy for cancers like Plasmablastic lymphoma and the integration of pharmacists in patient care settings to enhance treatment effectiveness.
Is Dr. Colvin's work relevant to chronic lymphocytic leukemia patients?
Absolutely. His research on HLH and infections in chronic lymphocytic leukemia patients is vital for improving treatment strategies and patient outcomes.
What impact does Dr. Colvin's research have on medical education?
His studies on community-based training suggest that medical students benefit significantly from hands-on experiences, leading to better exam performance and increased interest in primary care careers.
How does Dr. Colvin's work address healthcare access issues?
His work in addressing the physician shortage in Kentucky aims to improve healthcare access, especially in rural areas, by training more doctors locally.
Publications in plain English
Hemophagocytic Lymphohistiocytosis in the Setting of Progressive Chronic Lymphocytic Leukemia With Five Concurrent Life-Threatening Infections.
2025
Cureus
Patel H, Patresan J, Krzywicki V, Ramirez Gamero A, Colvin G
Plain English This study looked at a patient with hemophagocytic lymphohistiocytosis (HLH), a serious condition that can be deadly, especially in people with chronic lymphocytic leukemia (CLL) and multiple infections. The patient had five life-threatening infections at once, which complicated treatment. Understanding this case is important because it highlights the need for awareness and prompt action when patients with CLL show signs of HLH to prevent severe outcomes.
Who this helps: This helps doctors treat patients with chronic lymphocytic leukemia experiencing severe infections.
Perceived Stress, Residential Indoor PM2.5 Concentration, and Motor Vehicle Traffic Exposure Among Adults with Asthma: A Secondary Analysis.
2025
The American journal of nursing
Colvin G, Polivka BJ, Cramer E, Nyenhuis S, Huntington-Moskos L +3 more
Plain English This study looked at how stress levels in adults with asthma are affected by exposure to traffic and indoor air pollution from fine particles. Researchers found that people who were exposed to more traffic reported higher stress scores, but the difference was not statistically significant—stress scores were 6.5 for high traffic exposure compared to 5.3 for lower exposure. However, there was a clear link between higher indoor particle levels and increased stress, indicating that reducing indoor air pollution could help manage stress in asthma patients.
Who this helps: This helps patients with asthma by highlighting the importance of improving indoor air quality.
Addressing Kentucky's Physician Shortage While Securing a Network for a Research-Intensive, Referral Academic Medical Center: Where Public Policy Meets Effective Clinical Strategic Planning.
2021
Academic medicine : journal of the Association of American Medical Colleges
Griffith CH, de Beer F, Edwards RL, Smith C, Colvin G +1 more
Plain English A recent study focused on the shortage of doctors in Kentucky, particularly in rural areas, where the problem is especially severe. The University of Kentucky College of Medicine addressed this issue by opening two new medical campuses, increasing student enrollment from 70 to 120 graduates each year, which will help more doctors stay in the state. This is important because it aims to improve healthcare access for Kentuckians and reduce the need for patients to seek care out of state.
Who this helps: This helps patients in Kentucky, especially those in rural communities.
Academic outcomes of a community-based longitudinal integrated clerkships program.
2015
Medical teacher
Latessa R, Beaty N, Royal K, Colvin G, Pathman DE +1 more
Plain English This study looked at how medical students in a community-based program, known as longitudinal integrated clerkships (LICs), performed on standardized exams compared to their peers in a traditional rotation program (TBR) at the University of North Carolina. The findings showed that students in the LIC program scored better on key tests, including the Step 2 Clinical Knowledge exam and six other subject exams, with significant differences in Family Medicine and Ambulatory Medicine scores. This is important because it suggests that learning in a community setting may provide a richer experience, leading to better exam outcomes and a higher likelihood of choosing careers in primary care.
Who this helps: This helps medical students and educators by highlighting the benefits of community-based training.
Satisfaction, motivation, and future of community preceptors: what are the current trends?
2013
Academic medicine : journal of the Association of American Medical Colleges
Latessa R, Colvin G, Beaty N, Steiner BD, Pathman DE
Plain English The study looked at how satisfied community-based teachers (preceptors) in health care are with their roles and teaching future generations of health professionals. The survey revealed that 91.7% of preceptors were satisfied with their teaching, and 93.7% were happy with their overall professional life. However, doctors felt less satisfied with financial incentives and had more negative views about the impact of students on their work compared to other health providers, indicating a need for better support for them.
Who this helps: This helps community health care educators and organizations aiming to improve teaching experiences in the health care system.
Survival of patients with squamous cell malignancies of the upper urinary tract.
2012
Clinical Medicine Insights. Oncology
Berz D, Rizack T, Weitzen S, Mega A, Renzulli J +1 more
Plain English This study looked at the survival rates of patients with specific types of rare cancers in the upper urinary tract, namely squamous cell carcinoma (SCC) and transitional cell carcinoma (TCC). It found that patients with SCC have a much shorter median survival time of 10 months compared to 63 months for TCC, indicating that SCC is generally more aggressive. However, when doctors accounted for factors like lymph node involvement, survival rates for both types of cancer were similar when patients were at the same clinical stage.
Who this helps: This information benefits doctors and researchers, helping them better understand how to treat and manage patients with these types of cancers.
Integration of pharmacists into a patient-centered medical home.
2011
Journal of the American Pharmacists Association : JAPhA
Scott MA, Hitch B, Ray L, Colvin G
Plain English This study looked at how pharmacists can be integrated into a patient-centered medical home (PCMH) to improve healthcare for patients. Over a ten-year period, the Mountain Area Health Education Family Health Center in North Carolina included pharmacists in their team of healthcare providers, allowing them to offer services like medication management and education alongside doctors and nurses. The results show that having pharmacists on the team enhances patient care by ensuring better access to medications and resources and improving overall healthcare quality.
Who this helps: This approach benefits patients by providing them with more comprehensive and coordinated care.
Prognostic factors in chemotherapy-treated patients with HIV-associated Plasmablastic lymphoma.
2010
The oncologist
Castillo JJ, Winer ES, Stachurski D, Perez K, Jabbour M +3 more
Plain English This study looked at patients with a type of cancer called HIV-associated Plasmablastic lymphoma (PBL) who received chemotherapy. Out of 70 patients, the average survival time was 14 months, and those who responded completely to treatment lived longer. This research highlights the importance of achieving a full response to standard chemotherapy, as it significantly impacts survival.
Who this helps: This information helps doctors treating patients with HIV-related cancers.
Microvesicle induction of prostate specific gene expression in normal human bone marrow cells.
2010
The Journal of urology
Renzulli JF, Del Tatto M, Dooner G, Aliotta J, Goldstein L +4 more
Plain English This research studied how prostate cancer cells influence normal bone marrow cells through tiny particles called microvesicles, which can carry genetic material. They found that when normal marrow cells were exposed to either prostate cancer tissue or isolated microvesicles, the expression of prostate-specific genes increased by at least double in some cases. This matters because understanding how cancer cells communicate with normal cells can lead to new treatment options to block this process.
Who this helps: This helps patients with prostate cancer by opening the door to new therapies.
Clinical and pathological differences between human immunodeficiency virus-positive and human immunodeficiency virus-negative patients with plasmablastic lymphoma.
2010
Leukemia & lymphoma
Castillo JJ, Winer ES, Stachurski D, Perez K, Jabbour M +3 more
Plain English This study looked at patients with plasmablastic lymphoma (PBL), a type of cancer, comparing those who are HIV-positive and those who are HIV-negative. Out of 228 cases analyzed, 157 were HIV-positive, who tended to be younger, more often men, and responded better to chemotherapy than the 71 HIV-negative patients. The findings highlight that HIV-positive patients generally have better outcomes, which is important for tailoring treatment and support for those affected by PBL.
Who this helps: This helps patients with plasmablastic lymphoma and their doctors by informing treatment options and understanding prognosis based on HIV status.
Plain English This study looked at how a woman's weight affects whether she gets screened for breast cancer using mammograms. Researchers analyzed data from over 130,000 women aged 40 and older and found that underweight women are less likely to get screened, with about half as much compliance compared to normal weight women. Conversely, overweight women were more likely to get screened than those at a healthy weight, contrary to past reports suggesting that obese women avoid screening.
Who this helps: This research benefits doctors and healthcare providers who want to improve screening access for women of different weight categories.
Family medicine community preceptors: different from other physician specialties?
2008
Family medicine
Latessa R, Beaty N, Colvin G, Landis S, Janes C
Plain English This study looked at how satisfied community preceptors (physicians who train medical students) are across different medical specialties, including family medicine, internal medicine, and pediatrics. Out of 1,221 surveyed physicians, nearly 67% responded, and 94.4% reported being satisfied with their teaching role. However, family physicians and pediatricians were more likely to feel that teaching impacted their patient flow negatively, and family physicians often found teaching increased their working hours.
Who this helps: This helps community preceptors and medical training programs by highlighting their specific needs.
Conversion potential of marrow cells into lung cells fluctuates with cytokine-induced cell cycle.
2008
Stem cells and development
Dooner MS, Aliotta JM, Pimentel J, Dooner GJ, Abedi M +5 more
Plain English This study looked at how certain signals in the body can help bone marrow cells turn into lung cells. Researchers found that when they treated these marrow cells with specific substances, the number of cells changing into lung-like cells tripled during an early stage of the cell cycle but did not increase in later stages. This is important because it shows that bone marrow cells have the potential to become other types of cells, which could lead to new treatments for lung diseases.
Who this helps: This helps patients with lung conditions who may benefit from new cell-based therapies.
The stem cell continuum: cell cycle, injury, and phenotype lability.
2007
Annals of the New York Academy of Sciences
Quesenberry PJ, Colvin G, Dooner G, Dooner M, Aliotta JM +1 more
Plain English This study investigated how hematopoietic stem cells (the cells in bone marrow that produce blood) change their behavior based on their growth cycle and tissue injuries. The researchers found that these stem cells can switch between different roles and can adapt to repair various types of tissue, especially under injury conditions. For instance, they showed that when lung tissue is damaged, it releases tiny particles that can influence bone marrow cells to behave like lung cells.
Who this helps: This benefits patients with tissue injuries and conditions requiring regenerative therapies.
The satisfaction, motivation, and future of community preceptors: the North Carolina experience.
2007
Academic medicine : journal of the Association of American Medical Colleges
Latessa R, Beaty N, Landis S, Colvin G, Janes C
Plain English This study looked at the satisfaction and motivation of community-based educators (preceptors) in North Carolina who teach students in primary care fields like medicine and nursing. Out of 2,061 surveyed preceptors, 93% reported being very satisfied with their teaching experiences, and 91% said they plan to continue teaching for at least the next five years. The research found that most preceptors valued the joy of teaching over external rewards, but doctors expressed more concerns about their experiences with students, which could impact the number of doctors willing to continue as educators.
Who this helps: This benefits medical and nursing students, as well as preceptors who play a crucial role in their training.
Perspective: fundamental and clinical concepts on stem cell homing and engraftment: a journey to niches and beyond.
2005
Experimental hematology
Quesenberry PJ, Colvin G, Abedi M
Plain English This study looked at how blood-forming stem cells travel to and settle in the bone marrow and other tissues. It highlights that once these cells reach their destination, they undergo important changes that affect their future development and function. Understanding this process is crucial for improving treatments, such as stem cell therapies for various diseases.
Who this helps: This benefits patients undergoing stem cell transplants and the doctors involved in their care.
Plain English This study examined a type of stem cell from cord blood that can turn into various tissues, such as blood, lung, and liver, without needing to merge with other cells. Researchers found that stem cells might change their characteristics in flexible ways, meaning they can adapt to different needs in the body, especially during injury. Understanding how these cells work is important because it opens up new possibilities for treating various diseases and injuries.
Who this helps: Patients needing tissue regeneration or repair.
Cellular immune therapy for refractory cancers: novel therapeutic strategies.
2005
Experimental hematology
Ballen KK, Colvin G, Dey BR, Porter D, Westervelt P +2 more
Plain English The research focused on a new treatment method called cellular immune therapy for patients with hard-to-treat cancers. In a study with 25 patients, those who received stem cells from siblings had better outcomes: 9 out of 11 had their cancer markers show signs of the donor cells, and 4 achieved complete remission. This matters because it offers a potential new option for patients with resistant cancers who have limited treatment avenues.
Who this helps: Patients with hard-to-treat cancers.
The marrow cell continuum: stochastic determinism.
2005
Folia histochemica et cytobiologica
Quesenberry P, Abedi M, Dooner M, Colvin G, Sanchez-Guijo FM +9 more
Plain English This study explored how blood stem cells in bone marrow grow and change over time, showing that their behavior isn't fixed but rather fluctuates continuously. The researchers found that when exposed to specific signals (like cytokines), these stem cells can transition through cell cycles in a synchronized way, causing them to change their characteristics and functions. This finding is important because it helps us understand how blood cells are formed and could lead to better treatments for blood-related diseases by targeting these dynamic processes.
Who this helps: This benefits patients with blood disorders and doctors who treat them.
The stem cell continuum: considerations on the heterogeneity and plasticity of marrow stem cells.
2005
Stem cell reviews
Quesenberry PJ, Dooner G, Dooner M, Colvin G
Plain English This study looked at how blood-forming stem cells in the bone marrow can change their characteristics over time and switch into different types of cells. Researchers found that these stem cells are not fixed but can transform, influenced by their environment and the cell cycle, which means they can adapt to become different cell types as needed. Understanding this flexibility is important because it may lead to better treatments for diseases that require specific cell types, enhancing regenerative medicine.
Who this helps: This helps patients needing regenerative therapies and doctors developing new treatments.
Quesenberry PJ, Abedi M, Aliotta J, Colvin G, Demers D +6 more
Plain English This study looked at how adult bone marrow cells might change into different types of cells, a feature known as stem cell plasticity. Researchers found promising results showing that these cells could help restore functions in the heart, skin, and liver of damaged mice and humans, although the exact mechanisms are still debated. Understanding how these cells work is important because it could lead to new treatments for various illnesses.
Who this helps: This helps patients needing tissue repair and doctors looking for effective treatments.
Homing and conversion of murine hematopoietic stem cells to lung.
2004
Blood cells, molecules & diseases
Dooner M, Cerny J, Colvin G, Demers D, Pimentel J +4 more
Plain English This study looked at how certain proteins in the body affect the movement of stem cells from bone marrow to other organs, specifically the lungs. After treating stem cells with specific proteins for 24 hours, researchers found that the number of cells moving to the lungs increased about 10 times compared to untreated cells, while their movement to the bone marrow decreased. This is important because it helps us understand how stem cells can be directed to different parts of the body, which could have implications for treating diseases or injuries.
Who this helps: This benefits researchers and doctors working on stem cell therapies.
Plain English This study looked at how the timing of day and night affects the success of bone marrow transplants in mice. Researchers found that the ability of bone marrow cells to successfully grow and establish in the host varied at different times of the day, with the lowest success rates observed about 8 hours after lights on and 24 hours after lights on. This is important because it suggests that timing could play a crucial role in improving bone marrow transplant procedures.
Who this helps: This helps doctors and patients undergoing bone marrow transplants.
Low dose total body irradiation followed by allogeneic lymphocyte infusion for refractory hematologic malignancy--an updated review.
2004
Leukemia & lymphoma
Ballen KK, Colvin G, Porter D, Quesenberry PJ
Plain English This study looked at using a low dose of radiation followed by a type of stem cell treatment to help patients with hard-to-treat blood cancers. Out of 12 patients with blood cancers, 9 successfully showed signs of the donor's cells mixing with their own, and 4 of these patients went into complete remission. This is significant because it shows that a gentler treatment approach can lead to successful outcomes and fewer side effects compared to traditional methods.
Who this helps: This helps patients with blood cancers, especially those who have not responded to previous treatments.
Quesenberry P, Colvin G, Lambert JF, Abedi M, Cerny J +9 more
Plain English This study looked at how the type of blood-forming stem cells in bone marrow can change during their development. The researchers believe that these cells might be able to transform into other types of cells, and this ability could change depending on the stage of their growth cycle. Understanding these changes is important because it could lead to new treatments for various diseases.
Who this helps: This helps patients who may benefit from advanced stem cell therapies.
Plain English This study looked at why most company acquisitions fail, finding that three out of four end up harming the purchasing company's shareholders. The authors argue that companies often focus too much on potential profits from an acquisition without considering how much profit their customers actually bring in, which leads to poor decision-making. By carefully analyzing customer profitability, businesses can make smarter acquisition choices that benefit shareholders.
Who this helps: This information helps company leaders and investors make better decisions during acquisitions.
Studies on BrdU labeling of hematopoietic cells: stem cells and cell lines.
2003
Journal of cellular physiology
Pang L, Reddy PV, McAuliffe CI, Colvin G, Quesenberry PJ
Plain English This study looked at how certain stem cells in the bone marrow divide and how they respond to DNA damage. Researchers found that about 70.9% of specific stem cells labeled with a marker after five weeks, indicating that they were actively dividing. The study shows that while damage and repair processes can affect the measurement of these cells, it is likely that bone marrow stem cells are consistently cycling, which is important for understanding how they function in the body.
Who this helps: This helps patients undergoing treatments that affect blood cell production, as well as doctors studying stem cell behavior.
Homing of purified murine lymphohematopoietic stem cells: a cytokine-induced defect.
2002
Journal of hematotherapy & stem cell research
Cerny J, Dooner M, McAuliffe C, Habibian H, Stencil K +11 more
Plain English This study looked at how certain bone marrow stem cells from mice find their way to the bone marrow after being injected into the bloodstream. Researchers found that about 7.45% to 9.32% of these stem cells successfully reached the bone marrow within three hours of injection. However, they discovered that when the stem cells were treated with certain proteins (cytokines), their ability to home in on the bone marrow became less effective.
Who this helps: This research is important for improving treatments for patients needing bone marrow transplants, as it could lead to better ways of ensuring transplanted stem cells successfully engraft.
Physical and physiological plasticity of hematopoietic stem cells.
2001
Blood cells, molecules & diseases
Quesenberry P, Habibian H, Dooner M, McAuliffe C, Lambert JF +4 more
Plain English This study looked at how blood-forming stem cells from different tissues can adapt and turn into various types of cells, influenced by their environment. The researchers found that these stem cells can change based on their stage in the cell cycle and the time of day, with specific conditions affecting their ability to grow when placed into certain environments. For instance, the ability for stem cells to successfully engraft varies during the cell cycle, particularly being weaker just before they divide.
Who this helps: This research benefits researchers and doctors working on stem cell therapies and treatments for blood-related diseases.