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Articles 1 - 8 of 8
Full-Text Articles in Medical Anatomy
Cross-Contamination Of Crispr Guides And Other Unrelated Nucleotide Sequences Among Commercial Oligonucleotides, Hiroshi Arakawa, Hiromi Miura, Rolen M. Quadros, Masato Ohtsuka, Channabasavaiah B. Gurumurthy
Cross-Contamination Of Crispr Guides And Other Unrelated Nucleotide Sequences Among Commercial Oligonucleotides, Hiroshi Arakawa, Hiromi Miura, Rolen M. Quadros, Masato Ohtsuka, Channabasavaiah B. Gurumurthy
Journal Articles: Genetics, Cell Biology & Anatomy
Custom oligonucleotides (oligos) are widely used reagents in biomedical research. Some common applications of oligos include polymerase chain reaction (PCR), sequencing, hybridization, microarray, and library construction. The reliability of oligos in such applications depends on their purity and specificity. Here, we report that commercially available oligos are frequently contaminated with nonspecific sequences (i.e. other unrelated oligonucleotides). Most of the oligos that we designed to amplify clustered regularly interspersed palindromic repeats (CRISPR) guide sequences contained nonspecific CRISPR guides. These contaminants were detected in research-grade oligos procured from eight commercial oligo-suppliers located in three different geographic regions of the world. Deep sequencing …
Anterior Cruciate Ligament Hybrid Remnant Preservation Reconstruction Demonstrates Similar Outcomes As Traditional Reconstruction After 6 Months: A Randomized Control Trial, Joshua P. Castle, Eleftherios L. Halkias, Brittaney Pratt, Ashley Frei, Matthew A. Gasparro, Vasilios Moutzouros
Anterior Cruciate Ligament Hybrid Remnant Preservation Reconstruction Demonstrates Similar Outcomes As Traditional Reconstruction After 6 Months: A Randomized Control Trial, Joshua P. Castle, Eleftherios L. Halkias, Brittaney Pratt, Ashley Frei, Matthew A. Gasparro, Vasilios Moutzouros
Medical Student Research Symposium
Background
The anterior cruciate ligament (ACL) is often debrided during reconstruction (ACLR) to improve visualization. However, remnant ACL tissue contains nerve fibers and including remnant tissue in ACLR could provide benefit. Therefore, a technique was developed that preserves the tibial remnant and incorporates it into ACLR: Hybrid Remnant Preservation Reconstruction (HRPR) ACLR. This study compares HRPR-ACLR to traditional reconstruction by comparing patient reported outcomes and complications.
Methods
Patients presenting to one surgeon's clinic with an ACL injury are screened. Exclusion criteria are patient age<14 years, multi-ligament injury, chronic tears, and revision ACLR. Patients are consented and randomized to HRPR or traditional ACLR. Demographics, patient-reported outcomes, range of motion (ROM) and complications were collected.
Results
Thirty-three patients were included, 20 HRPR and 13 controls. No demographic differences were noted. PROMIS-PF, …
14>Six-Month Report Assessing The Feasibility And Effectiveness Of Amniotic Membrane Injections In Patients With Short, Anterior, Urethral Strictures, Nicholas Pryde, Jack Vernocke, Aron Liaw, Michael Sessine, Nivedita Dhar
Six-Month Report Assessing The Feasibility And Effectiveness Of Amniotic Membrane Injections In Patients With Short, Anterior, Urethral Strictures, Nicholas Pryde, Jack Vernocke, Aron Liaw, Michael Sessine, Nivedita Dhar
Medical Student Research Symposium
Introduction: Urethral stricture treatment has high recurrence rates and adjunct injectable agents have been explored. Amniotic membranes (AM) promote apoptosis of pro-inflammatory cells, prevent differentiation of pro-fibrotic cells, and decrease scar formation. These tissues generated interest in reconstructive urethral surgery. Thus, we performed urethral dilation combined with micronized AM injection in urethral scar tissue for treatment of urethral stricture.
Materials and Methods: Adult males with strictures ≤12Fr in diameter and ≤2 cm in length, International Prostate Symptom Score (IPSS) ≥11 and maximum flowrate <15 ml/s. Reconstituted 100mg micronized AM was injected at the time of urethral dilation. Primary study end point was anatomical success (≥14Fr by cystoscopy) at 6 months. Secondary end points were questionnaires, flow rate, and post void residual. Outcomes assessed at baseline, 5 days, 14 days, 3 months, and 6 months post-injection. Safety was analyzed.
Results: Ten men, mean age of 52 ± 15 years, were included. There were 7 patients with …
15>Piriformis Syndrome With A Variant Presentation, Roberto Chuapoco, Ryan E. Linford
Piriformis Syndrome With A Variant Presentation, Roberto Chuapoco, Ryan E. Linford
Annual Research Symposium
Piriformis syndrome has long been a diagnostic quandary due to its tendency to present as other nerve-related conditions. Piriformis syndrome is commonly caused by entrapment of the sciatic nerve as it travels through the greater sciatic foramen due to hypertrophy of the piriformis muscle. However, its constellation of symptoms, including radiating pain down the thigh, can easily be mistaken for lumbosacral radiculopathy. This case report aims to address the misdiagnosis of piriformis syndrome which has prolonged pain for many patients and increased the cost of medical care. It demonstrates a 76-year-old female with a confounding presentation of piriformis syndrome: buttock …
Formulation Of Preservation Solutions For Model Generation With In Vivo Tissue Morphology, Holly Pickett
Formulation Of Preservation Solutions For Model Generation With In Vivo Tissue Morphology, Holly Pickett
The Journal of Purdue Undergraduate Research
No abstract provided.
Sex-Specific Negative Affect-Like Behaviour And Parabrachial Nucleus Activation Induced By Bnst Stimulation In Adult Mice With Adolescent Alcohol History, Lucas Albrechet-Souza, Chelsea R. Kasten, Natalia B. Bertagna, Tiffany A. Wills
Sex-Specific Negative Affect-Like Behaviour And Parabrachial Nucleus Activation Induced By Bnst Stimulation In Adult Mice With Adolescent Alcohol History, Lucas Albrechet-Souza, Chelsea R. Kasten, Natalia B. Bertagna, Tiffany A. Wills
School of Medicine Faculty Publications
Adolescent alcohol use is a strong predictor for the subsequent development of alcohol use disorders later in life. Additionally, adolescence is a critical period for the onset of affective disorders, which can contribute to problematic drinking behaviours and relapse, particularly in females. Previous studies from our laboratory have shown that exposure to adolescent intermittent ethanol (AIE) vapour alters glutamatergic transmission in the bed nucleus of the stria terminalis (BNST) and, when combined with adult stress, elicits sex-specific changes in glutamatergic plasticity and negative affect-like behaviours in mice. Building on these findings, the current work investigated whether BNST stimulation could substitute …
Investigation Into Cardiac Myhc-Α 334-352-Specific Tcr Transgenic Mice Reveals A Role For Cytotoxic Cd4 T Cells In The Development Of Cardiac Autoimmunity, Meghna Sur, Mahima T. Rasquinha, Kiruthiga Mone, Chandirasegaran Massilamany, Ninaad Lasrado, Channabasavaiah B. Gurumurthy, Raymond A Sobel, Jay Reddy
Investigation Into Cardiac Myhc-Α 334-352-Specific Tcr Transgenic Mice Reveals A Role For Cytotoxic Cd4 T Cells In The Development Of Cardiac Autoimmunity, Meghna Sur, Mahima T. Rasquinha, Kiruthiga Mone, Chandirasegaran Massilamany, Ninaad Lasrado, Channabasavaiah B. Gurumurthy, Raymond A Sobel, Jay Reddy
Journal Articles: Genetics, Cell Biology & Anatomy
Myocarditis is one of the major causes of heart failure in children and young adults and can lead to dilated cardiomyopathy. Lymphocytic myocarditis could result from autoreactive CD4+ and CD8+ T cells, but defining antigen specificity in disease pathogenesis is challenging. To address this issue, we generated T cell receptor (TCR) transgenic (Tg) C57BL/6J mice specific to cardiac myosin heavy chain (Myhc)-α 334-352 and found that Myhc-α-specific TCRs were expressed in both CD4+ and CD8+ T cells. To investigate if the phenotype is more pronounced in a myocarditis-susceptible genetic background, we backcrossed with A/J mice. At …
Quality Improvement Of X-Ray Imaging For Unspecified Chronic Knee Pain And Suspected Knee Osteoarthritis In The Primary Care Setting, Ty E. Bever
Family Medicine Clerkship Student Projects
Although a comprehensive history and physical exam are the mainstays of initial evaluation, plain X-rays are clinically indicated for chronic knee pain of greater than 6 weeks duration and acute traumatic pain in patients who meet specific evidence-based criteria, according to the American Academy of Family Physicians (AAFP). However, there remains significant variation in what radiographic protocols are used in clinical practice, specifically in terms of what radiographic views are ordered and whether the imaging is performed with the patient weight-bearing (WB) or non-weight-bearing (NWB). In fact, several studies have shown that non-weight-bearing knee radiographs are frequently ordered by general …