Medical Specialties Commons^™

When Birth Control Turns Biliary: A Rare Case Of Profound Hyperbilirubinemia From Oral Contraceptives, Taiwo Ajani, Aura Calderon, Jose J. Loayza Pintado, Nayiri Derian, Catherine Matos, Ivan Mogollon, Andres Suarez Parraga

School of Medicine Publications

Oral contraceptives (OCs) are extensively utilized and generally considered safe (reference); nonetheless, infrequent hepatobiliary complications such as cholestasis and hyperbilirubinemia have been documented, particularly among individuals with a genetic predisposition. We present a case involving a 19-year-old female who exhibited significant conjugated hyperbilirubinemia shortly after the commencement of OC therapy. Comprehensive investigations ruled out alternative causes, and the findings from liver biopsy, in conjunction with the clinical context, indicated an estrogen-induced cholestatic injury, likely revealing an underlying Dubin–Johnson syndrome. This case underscores the critical necessity of acknowledging hepatic adverse effects associated with estrogen as well as the influence of genetic …

Bioinformatics Analysis Of Trpv1 Expression And Its Role In Hepatocellular Carcinoma Prognosis, Vivek K. Kashyap, Bhuvnesh P. Sharma, Himanshu N. Singh, Sanjay Kumar, Deepak Verma, Deepak Parashar, Murali M. Yallapu, Everardo Cobos, Subhash Chauhan

School of Medicine Publications

Background: Hepatocellular carcinoma (HCC) is among the most lethal malignancies globally, with a persistently poor prognosis due to late diagnosis and limited therapeutic options available. The transient receptor potential vanilloid 1 (TRPV1), a calcium-permeable cation channel, plays critical roles in cancer pathogenesis across several cancer types, but its role in HCC remains poorly defined.

Methods: We performed an integrative bioinformatics analysis of TRPV1 utilizing multiple public databases, including TCGA, GEO, TIMER, UALCAN, cBioPortal, LinkedOmics, and COSMIC in HCC. We examined the TRPV1 expression profile, prognostic significance, genetic alterations, DNA methylation status, co-expression networks, and correlations with immune infiltration. Single-cell RNA …

External Fixation Assisted Intramedullary Total Femur Arthroplasty: A Case Report, Matthew Hnatow, Blake Martin, Emma Herrera

School of Medicine Publications

Introduction:Total femur replacement (TFR) is a salvage procedure for patients with multiple failed hip and knee arthroplasties and is associated with high complication rates. Intramedullary TFR has emerged as a technique to preserve critical soft tissue attachments; however, maintaining limb length, alignment, and rotation remains challenging.

Case Presentation: We describe a novel case of intramedullary TFR utilizing external fixation to address these technical challenges. A 64-year-old male with subsidence of a hinged knee tumor prosthesis to the level of the greater trochanter underwent intramedullary TFR. External fixation was applied to the residual femoral and tibial bones to maintain …

Cutaneous Rosai-Dorfman Disease Misdiagnosed As Granulomatous Dermatitis: A Diagnostic Pitfall, Sri Naidnur, Jamie Hedrick, Smaran Marupudi, Kara Asbury, Kelly Maedo, Bryan Gammon, Rick Lin

School of Medicine Publications

Cutaneous Rosai-Dorfman disease (CRDD) is an uncommon non-Langerhans cell histiocytosis that may occur without systemic involvement and lacks specific clinical features. We report a 17-year-old female with a slowly enlarging chest lesion initially diagnosed as granulomatous dermatitis on a 4-mm punch biopsy. The lesion was treated as an inflammatory process without improvement. Complete excision revealed a multinodular dermal and subcutaneous infiltrate of large histiocytes demonstrating emperipolesis, confirming CRDD. Systemic evaluation was negative. The initial limited biopsy did not capture defining features, delaying diagnosis.

Persistent nodular lesions that fail to respond to therapy should prompt reconsideration and more representative tissue sampling. …

Symptomatic Manifestations Of Hip Dysplasia In Young Adults: How Do Patients Present Before Or After Surgery? Results From A Social Media Cohort, John M. Gaddis, Amanda J. Wheeler, Erika Shults, Charles South, Stephen T. Duncan, Joel Wells

School of Medicine Publications

This study aimed to analyse the symptomatic differences of hip dysplasia before or after separate surgical interventions, including pain location and characteristics, severity, patient-reported outcomes, and a body pain diagram. A REDCap-based survey was distributed through social media from October 2023 to May 2024 and targeted individuals with current or past hip pain. The survey gathered data on demographics, comprehensive hip-specific history, and various patient-reported outcome measures. Of 509 completed surveys, 287 respondents reported a diagnosis of hip dysplasia and were divided into cohorts based on treatment history: no surgery (n = 65), post-periacetabular osteotomy (PAO) (n = 162), post-THA …

Exploring Adolescent Hearing Aid Usage And Appearance Of Psychiatric Symptoms In Adolescents Using Hearql-28 Surveys, Courtney J. Austin, Dylan Chan

MEDI 9331 Scholarly Activities Clinical Years

Approximately 2% of DHH people in need of mental health services actually receive these services. Among pediatric hearing loss populations, co-occurring cognitive and physical impairments are risk factors for poor mental health status. Due to language barriers and isolation, more children with hearing loss do not have access to mental health services. Cochlear implants have been shown to improve mental health status among the DHH population. Current literature focuses on the mental health status of children with cochlear implants, with little focus on hearing aid users. Using HEAR28 data and surveys, we can quantify the incidence of psychiatric symptoms among …

Foot And Ankle Biomaterials: A Comprehensive Review Of Current Applications, Challenges, And Future Directions, Peter Elvin, Amayrani Sanchez, Anthony Allen Reyes, Hagner L. Andrade, Meelad Karami, Hooman Mir, Javier La Fontaine, Danieli Rodrigues, Claudia Biguetti

School of Podiatric Medicine Publications

Metallic biomaterials enable successful reconstruction and fixation of skeletal tissues by supporting repair, load-bearing function, and anatomical alignment in foot and ankle surgery. However, the unique anatomic and biomechanical demands of this region, combined with challenging pathologies such as flatfoot and Charcot neuroarthropathy, present distinct challenges, with effective intervention requiring targeted biomaterial solutions and precise indications. Furthermore, metallic biomaterials currently represent the most predominant and clinically validated fixation systems in foot and ankle surgical reconstructions, while also generating the largest body of outcome-based evidence. This review summarizes and discusses their contemporary applications, outcomes, limitations, unmeet needs, and future directions based …

Prior Head Circumference Measurements In Infants With Older Subdural Hematomas: Did We Miss It?, Maryann Alvarez Griffis, Nancy D. Kellogg, Wouter Koek

School of Medicine Publications

Objective: To establish whether infants with macrocephaly and non-acute subdural hematomas (SDHs) had missed opportunities for measuring fronto-occipital circumference (FOC) and obtaining neuroimaging prior to diagnosis. Macrocephaly due to SDH in infancy is initially detected by FOC measurements and/or neuroimaging, as neurologic symptoms may be subtle or missed.

Methods: Retrospective chart review of infants with macrocephaly and non-acute SDHs referred to child abuse pediatricians for suspected abusive head trauma (AHT) over an 8-year period. A study sample of 35 infants met inclusion criteria and had complete prior medical records which were reviewed for missed opportunities for earlier SDH diagnosis. Four …

Atypical High-Burden Breakthrough Varicella: A Diagnostic Pitfall In The Two-Dose Vaccine Era, Smaran Marupudi, Jared Hensley, Robert Vezzetti

School of Medicine Publications

We present the case of a seven-year-old fully immunized male who developed an intensely pruritic, generalized maculopapular rash that progressed to vesicles. The patient’s rash was initially diagnosed by his primary care provider as possible scabies and treated with topical permethrin. Our examination revealed a diffuse maculopapular and vesicular exanthem with lesions at various stages of evolution, eventually progressing to secondary cellulitis. The patient’s presentation, consistent with varicella (chickenpox), highlights the diagnostic challenges of breakthrough varicella infection and potential complications in fully vaccinated children. Thus, we highlight the importance of having a high clinical index of suspicion for varicella, even …

Safety And Feasibility During Early Implementation Of Robotic-Assisted Percutaneous Coronary Intervention, Dung Thuong Ho, Manh Cuong Nguyen, Tran Tran Nguyen, Long Tran, Huy Nguyen, Dil Mai, Tuong Mien Ngo, Duc Chinh Nguyen, Chi Cuong Tran, Khiem D. Ngo

School of Medicine Publications

Background: Robotic-assisted Percutaneous Coronary Intervention (R-PCI) is an advanced technique offering potential advantages for both patients and interventional cardiology practices. In 2023, Can Tho S.I.S General Hospital implemented its first robotic system for PCI procedures. This study aimed to evaluate the safety and clinical outcomes during the early learning curve of R-PCI.

Methods: This prospective study included all patients undergoing R-PCI with the CorPath GRX Vascular Robotic System at Can Tho S.I.S General Hospital from April to September 2023. Baseline patient characteristics, procedural details, and six-month follow-up data were collected. Primary outcomes included Clinical Success, defined as < 30% residual diameter stenosis in the target vessel without major adverse cardiovascular events (MACE) during hospitalization (e.g., death, myocardial infarction, target-vessel revascularization, stroke), and robotic success, defined as achieving clinical success with partial manual support or no manual support.

Results: Thirty-one patients …

Multiplanar First-Ray Deformity And Its Impact On Tibial Sesamoid Assessment: A Radiographic Analysis​, Yasim Zafar, Madelaine Adkins, Jessica Sima

School of Podiatric Medicine - Student Research

This study evaluated whether discrepancies in tibial sesamoid position (TSP) between anteroposterior (AP) and sesamoid axial radiographs are associated with first-ray deformity parameters: first metatarsal rotation angle (MRA), sesamoid rotation angle (SRA), intermetatarsal angle (IMA), and hallux valgus angle (HVA). We hypothesized that increased frontal-plane external rotation of the first metatarsal would be the primary contributor to AP–axial TSP mismatch.

This secondary analysis used deidentified radiographs from Shibuya et al. (J Foot Ankle Surg. 2019). Adults aged 18–80 with measurable TSP on both AP and axial views were included; patients with prior foot trauma or osseous surgery were excluded. Only …

Liposclerosing Myxofibrous Tumor Of The Foot: A Case Report, Mohammad Junayed Khan, Sufiyan Mannan Ahmed, Asad Mustafa, Sairah Asghar, Mohammad Tanjim Hossain

School of Podiatric Medicine - Student Research

Statement of Purpose: This case presents a rare sclerosing-type atypical lipomatous tumor with myxomatous features—the first and only known reported case of an ALT in the foot—along with its pathology, treatment, and management.

Case Study: Atypical lipomatous tumor/well-differentiated liposarcoma (ALT/WDL) represents the most common liposarcoma subtype, with recurrence and dedifferentiation risk influenced by tumor location. Retroperitoneal tumors recur frequently, while those in the lower extremity rarely do. Liposarcoma of the foot is exceedingly rare.

A 61-year-old male presented with a slowly enlarging, mildly tender lump on the right plantar heel. Radiographs demonstrated a 3 cm oval soft-tissue thickening without calcification. …

Midfoot Reconstruction For Avascular Necrosis Of The Navicular Bone​, Jessica Sima, Srilalitha Lanka, Merlin Sajeev, Shannon Rush, Graham Hamilton

School of Podiatric Medicine - Student Research

Background: Avascular necrosis (AVN) of the tarsal navicular, particularly with collapse, presents a complex surgical challenge due to compromised vascularity and the need to restore medial column length. This retrospective case series evaluates three distinct surgical approaches to midfoot reconstruction in patients with navicular AVN.

Methods: Three patients with navicular AVN were treated using individualized grafting strategies. Etiologies included chronic protease inhibitor use for HIV, Müller-Weiss syndrome, and post-resection of a giant cell tumor. All procedures utilized a medial utility incision with debridement to viable bleeding bone. Two cases were reconstructed using a combination of proximal tibial autograft, patellar allograft, …

Evaluating Factors Associated With Increased Citations Of Publications In The Journal Of Foot And Ankle Surgery, Asad Mustafa, Sarah Weisbrodt, Demian Rodriguez, Naohiro Shibuya

School of Podiatric Medicine - Student Research

Introduction: As the field of foot and ankle surgery advances, it is valuable to identify qualities of research publications that get more attention. Evaluating the factors that contribute to the traction would also help emerging authors identify areas of focus to improve visibility of their work in the profession. Our study aims to evaluate the relationship between the number of citations by articles published in the Journal of Foot and Ankle Surgery (JFAS) and the level of clinical evidence (LOE), article access level, the type of publication, the authors’ institution, and the country of submission.

Methods: We used Scopus to …

Comparative Safety, Efficacy, And Predictors Of Complete Occlusion Of Flow Diverter Devices In The Treatment Of Unruptured Distal Anterior Cerebral Artery Aneurysms, Hamza Adel Salim, Luca Scarcia, Frédéric Clarençon, Orabi Hajjeh, Motaz Daraghma, Davide Simonato, Yan-Lin Li, Eimad Shotar, Kevin Premat, Ameer E. Hassan

School of Medicine Publications

Background: Flow diverters (FDs) are increasingly used for cerebral aneurysms, including distal anterior cerebral artery (DACA) aneurysms, but comparative data between devices in this challenging location are limited.

Objective: To compare the safety and efficacy of Pipeline, Silk Vista Baby (SVB), and FRED Jr. FDs for unruptured DACA aneurysms and identify predictors of complete occlusion.

Methods: We retrospectively analyzed 166 patients treated with FDs at 39 centers in 14 countries (2018–2022) from the CRETA registry. Outcomes included aneurysm occlusion (O’Kelly–Marotta [OKM] scale), complications, retreatment, modified Rankin Scale (mRS) scores, and independent predictors of complete occlusion using multivariable Cox regression.

Results: …

Hyperdensity On Head Ct—An Imaging Review, Ramsis Benjamin, Christian Menard, Erik Larson

School of Medicine Publications

The 3D images derived from non-contrast Computed Tomography (NCCT) scans provide a glimpse into the intra- and extracranial structures, based on the ability of electromagnetic X-rays to penetrate through various tissue densities. The gray matter, for example, possesses a higher density than the white matter, absorbs more X-rays, allows less penetration (attenuation), and thus has larger Hounsfield units (HU), the mathematical value of attenuation coefficient. The CT scanner’s wide availability and ease of use allow for quick assessment of acute neurosurgical abnormalities, such as hemorrhages, mass effect, hydrocephalus, and traumatic injuries. An attenuation value of +60 to +90 HU generally …

Comorbidity Profiles Associated With Total Knee Arthroplasty In A Medically Underserved Population, Blake C. Martin, Manoj Peiris

School of Medicine Publications

Introduction: Total knee arthroplasty (TKA) is a common orthopedic procedure that is increasing in incidence and prevalence and is rising in younger populations. The Rio Grande Valley (RGV) represents a medically underserved region in the southern United States characterized by high rates of chronic conditions such as obesity, diabetes, and arthritis. The purpose of this study is to investigate the relationship between pre-existing chronic medical conditions and TKA within this medically underserved and at-risk population.

Methods: This retrospective chart review was conducted using data obtained from University of Texas Rio Grande Valley medical records spanning January 1, 2018, through January …

Assessing Social Determinants Of Health Training In Graduate Medical Education: A Narrative Review Using Kirkpatrick’S Model, Surya Namboodiri, Bharathi Gadad, Juan Lopez-Alvarenga, Chelsea Chang

School of Medicine Publications

Social determinants of health (SDOH) training is a critical component of medical education, equipping physicians to address factors such as economic stability, education, and health care access. Despite its importance, the evaluation of SDOH training often focuses on lower-level outcomes, such as learner satisfaction and knowledge assessment, with limited emphasis on behavioral change and patient outcomes. Kirkpatrick’s model offers a validated framework for addressing this gap by categorizing training outcomes into four levels: Reaction, Learning, Behavior, and Results.

By applying Kirkpatrick’s model in combination with Grading of Recommendations Assessment, Development and Evaluation (GRADE) quality assessment and bibliometric network analysis, this …

Ubiquitination Of Oncogenic Mutant P53 Via Attenuation Of Ribosome Biogenesis Machinery Effectively Inhibits Pancreatic Tumor Growth, Mudassier Ahmad, Sahir Sultan Alvi, Haider Ahsan, Carlos Perez, Vivek Kashyap, Neeraj Chauhan, Dae Joon Kim, Nirakar Sahoo, Tamer Oraby, Murali Yallapu, Subhash Chuahan, Bilal Hafeez

School of Medicine Publications

Dysregulated ribosome biogenesis and p53 mutations are known to play oncogenic roles in various cancers, including pancreatic cancer. In this study, we demonstrated the therapeutic potential of BMH-21, a pharmacologic inhibitor of RNA polymerase I, against pancreatic cancer by uncovering a novel molecular mechanism involving RPA194-mediated ubiquitination of mutant p53 without affecting the ubiquitination of wild-type p53. Our key findings are that (i) BMH-21 selectively induces apoptosis and cell growth inhibition of pancreatic cancer cells with no effect on normal human pancreatic ductal epithelial cells; (ii) BMH-21 degrades RPA194; (iii) BMH-21 inhibits recruitment of both RPA194 and RPA135 on rDNA …

Artificial Intelligence In Cardiology: An Updated Systematic Review With Ethical Considerations And Challenges In Implementing Artificial Intelligence Models, Dev Patel, Reshmitha Kantamneni, Jabez David John, Tirath Patel, Arnesh Shukla, Ayesha Salma, Nikhilesh Anand

School of Medicine Publications

The integration of artificial intelligence (AI) in cardiovascular medicine presents a transformative opportunity to enhance diagnostic accuracy and improve patient outcomes. This systematic review evaluates the impact of AI on cardiovascular diagnostics with a focus on its ability to surpass traditional methods in accuracy, efficiency, and predictive capabilities. Machine learning and deep learning have demonstrated significant advancements in areas such as echocardiography, electrocardiography, computed tomography angiography, and predictive analytics.

AI algorithms have demonstrated superior performance in identifying subtle patterns and anomalies. Additionally, AI has shown promise in predictive analytics, forecasting disease progression and tailoring treatment plans, thereby improving patient outcomes. …

Beyond The Rash: Cutaneous Peripheral T-Cell Lymphoma As A Diagnostic Pitfall In Primary Care, Jared Hensley, Aura Calderon, Blake Martin, Cristina Kochi, Andres Suarez Parraga

School of Medicine Publications

Cutaneous manifestations of T-cell lymphomas may resemble common dermatologic or infectious conditions, increasing the risk of delayed recognition. We report a 78-year-old woman with known peripheral T-cell lymphoma (PTCL) who presented with a rapidly progressive, diffuse erythematous rash accompanied by cervical lymphadenopathy. Initial evaluation prioritized more common etiologies; however, inpatient medicine broadened the differential diagnosis, prompting early hematology and oncology consultation. Contrast-enhanced CT of the neck demonstrated multiple enlarged, partially necrotic left cervical lymph nodes consistent with disease progression. After multidisciplinary discussions and consideration of prognosis, the patient elected palliative-focused management with oncology follow-up. This case underscores the importance of …

Prospective Comparison Of Wbc Spect/Ct And Conventional Mri For Diagnosing Osteomyelitis And Monitoring Treatment Response In Diabetic Foot Infections, Orhan Oz, Amber M. Sherwood, Peter A. Crisologo, Amanda L. Killeen, Kavita Bhavan, Javier La Fontaine, Katie L. Rubitschung, Helena Hwang, Robert W. Haley, Lawrence A. Lavery

School of Podiatric Medicine Publications

Aims/hypothesis: Osteomyelitis is a common complication of diabetic foot ulcers and a leading cause of lower limb amputations globally. Accurate diagnosis of diabetic foot osteomyelitis (DFO) is essential for effective infection management and improving prognosis. This study aimed to compare the performance of white blood cell (WBC)-single photon emission computed tomography (SPECT)/computed tomography (CT) and conventional MRI in the initial diagnosis of DFO and in detecting residual infection during treatment monitoring, using bone biopsy as the reference standard.

Methods: In this prospective clinical study, 47 patients with foot wounds suspicious for DFO underwent 99mTc-WBC SPECT/CT and MRI, followed by bone …

Muc13 Is A Crucial Player In Yap1-Β-Catenin Survival Complex Mediated Cancer Metastasis, Shabnam Malik, Mohammed Sikander, Murali Yallapu, Subhash Chauhan

School of Medicine Publications

No abstract provided.

End Point–Based Threshold For The Ambulatory Arterial Stiffness Index, Yi-Bang Cheng, De-Wei An, Dong-Yan Zhang, Yu-Ling Yu, Jesus D. Melgarejo, José Boggia, Dries S. Martens, Tine W. Hansen, Kei Asayama, Gladys E. Maestre

School of Medicine Publications

Background: The ambulatory arterial stiffness index (AASI) is increasingly used in clinical research and practice. This individual-participant meta-analysis aims to consolidate the prognostic accuracy of AASI in the general population and to derive an end point-based AASI risk threshold.

Methods: In 12 558 individuals enrolled in 14 population studies (48.8% women; mean age, 59.3 years), AASI was derived by regressing 24-hour diastolic on systolic blood pressure (mm Hg/mm Hg). Using Cox regression, the risk-carrying AASI threshold was established by examining stepwise increasing AASI levels and by determining the AASI level, yielding a 10-year risk similar to an office systolic pressure …

Literature Review On The Effectiveness Of Surgical Vs Non-Surgical Management In Elderly Patients With Distal Radius Fractures, Robert A. Weinberg

MEDI 9331 Scholarly Activities Clinical Years

Distal radius fractures are common in patients aged sixty years and older. The best management strategy remains debated, particularly in elderly patients where complications risk, radiological outcomes and functional recovery need to be considered. Several studies have compared surgical interventions including open reduction and internal fixation with conservative management including closed reduction and immobilization. The aim of this literature review is to synthesize current evidence on these outcomes for elderly patients with a distal radius fracture who were treated with surgical treatment or non-surgical treatment.

Bone Healing During A Dysregulated Inflammatory Phase: Comparative Skeletal Features In 5-Lipoxygenase Knockout And Wild Type Mice, Marco Hernandez, Nidhin John, Bhuvana L. Chandrashekar, Mariza A. Matsumoto, Naohiro Shibuya, Claudia Biguetti

School of Podiatric Medicine - Student Research

Background: High-risk patients, such as those with diabetic neuropathy, often experience prolonged and dysregulated inflammation during bone healing. The 5-lipoxygenase (5LO) pathway is a key mediator of inflammation and bone resorption and may influence these outcomes. Therefore, understanding the skeletal features associated with 5LO genetic deletion may help identify therapeutic opportunities to improve healing in high-risk patients.

Objective: To determine how genetic deletion of 5LO affects skeletal structure and macrophage phenotypes, with the goal of identifying therapeutic targets to improve bone healing in high-risk patients.

Materials and Methods: A total of 10, adult (3 months old), 129/SvEv male mice were …

Early Detection In Oral Cancer: Are We Prepared For Artificial Intelligence-Driven Precision Medicine?, Nikil Kumar, Sinnha Kumari, Sadia Sultana, Muhammad Saad Khan, Tirath Patel, Nikhilesh Anand

School of Medicine Publications

Oral cancer, particularly oral squamous cell carcinoma, remains a serious health concern, with a poor prognosis and a late diagnosis. Leukoplakia, erythroplakia, lichen planus, and submucous fibrosis are examples of oral potentially malignant disorders that must be detected early but are not always so by traditional, laborious, and subjective diagnostic techniques. In oral cancer, artificial intelligence (AI) and precision medicine are becoming game-changing technologies that enhance individualized care, treatment planning, and diagnostic precision. Complex imaging and histopathology data may be analyzed using machine learning and deep learning algorithms, particularly convolutional neural networks, which can identify patterns that are invisible to …

Walking The Line How Social Forces Shape Diabetic Foot Outcomes In The Texas Rio Grande Valley, Amanda L. Killeen, Stephanie N. Campbell, Naomie Jean, Juan Lopez-Alvarenga, Xuan Wang, Cyaandi Dove, Caroline E. Fife

School of Podiatric Medicine Publications

• Diabetes in the Rio Grande Valley is widespread and severe. Nearly 1 in 3 adults is affected, with foot ulcers and amputations occurring at rates far above state and national averages.
• Social drivers of health (SDOH) strongly influence outcomes. Poverty, uninsurance, limited education, transportation barriers, and distance from specialty centers delay care and increase amputation risk.
• Living conditions amplify risk. Colonias, unincorporated settlements often lacking clean water, sewer systems, or reliable electricity, make diabetes management and preventive foot care especially challenging.
• Data-driven identification of high-risk populations is critical. Zip code–level SDOH data, integrated into electronic medical records, can serve as …

Comparative Analysis Of M1 And M2 Macrophage Distribution And Localization In Chronic Wounds Of Metabolically Healthy And Diabetic Hosts Using A C57bl/6 Mouse Model, Bryan Liu, Ramiro Cisneros, Nathaniel Primous, Estephania Garcia, Bhuvana Lakkasetter Chandrashekar, Claudia Biguetti

School of Podiatric Medicine - Student Research

Introduction/Purpose: Type 2 diabetes and obesity are major risk factors for delayed wound healing in chronic foot ulcers. This study investigated whether a high-fat diet induces diabetes-like metabolic dysfunction in mice and characterized associated morphological changes and macrophage polarization during wound healing. Macrophages exist as pro-inflammatory M1 and anti-inflammatory M2 phenotypes that regulate tissue repair.

Methods: Ten male C57BL/6J mice (8 weeks old) were divided into high-fat diet (HFD) and regular diet (RD) (IACUC Protocol 22-33) groups.  After 12 weeks, body weight and intraperitoneal glucose tolerance test were measured to confirm metabolic phenotypes, after which a 6mm dorsal excision wound …

Expression Of 5-Lo In Chronic Wounds In A Preclinical Murine Model Of Obesity And Type 2 Diabetes, Joshua Wu, Ramiro Cisneros, Nathaniel Primous, Estephania Garcia, Bhuvana Lakkasetter, Claudia Biguetti

School of Podiatric Medicine - Student Research

Introduction: Diabetes is associated with impaired wound healing and a high incidence of chronic, non-healing ulcers, largely driven by persistent low-grade inflammation. Leukotriene B4 (LTB4), a product of the 5-lipoxygenase (5-LO) pathway, has emerged as a key mediator of this chronic inflammatory state. Hence, this study investigated the role of the 5-LO pathway in cutaneous wound healing under normoglycemic and diabetic conditions using a murine model.

Methods: Twelve 8-week-old male C57BL/6J mice were fed with high-fat diet (HFD; 60% kcal fat) or low-fat diet (LFD; 10% kcal fat) for 12 weeks (IACUC 22-33). Body weight (BW) and fasting blood glucose …