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University of Texas Rio Grande Valley

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2019

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Full-Text Articles in Medicine and Health Sciences

Ssa Positivity As Predictor Of Relapse In Patients With Neuromyelitis Optica Spectrum Disorder, Roberto A. Cruz, Alexander B. Ramos, Bridget A. Bagert, Jesus F. Lovera Dec 2019

Ssa Positivity As Predictor Of Relapse In Patients With Neuromyelitis Optica Spectrum Disorder, Roberto A. Cruz, Alexander B. Ramos, Bridget A. Bagert, Jesus F. Lovera

School of Medicine Publications and Presentations

No abstract provided.


Liver Cancer: Current And Future Trends Using Biomaterials, Sue Anne Chew, Stefania Moscato, Sachin George, Bahareh Azimi, Serena Danti Dec 2019

Liver Cancer: Current And Future Trends Using Biomaterials, Sue Anne Chew, Stefania Moscato, Sachin George, Bahareh Azimi, Serena Danti

Health & Biomedical Sciences Faculty Publications and Presentations

Hepatocellular carcinoma (HCC) is the fifth most common type of cancer diagnosed and the second leading cause of death worldwide. Despite advancement in current treatments for HCC, the prognosis for this cancer is still unfavorable. This comprehensive review article focuses on all the current technology that applies biomaterials to treat and study liver cancer, thus showing the versatility of biomaterials to be used as smart tools in this complex pathologic scenario. Specifically, after introducing the liver anatomy and pathology by focusing on the available treatments for HCC, this review summarizes the current biomaterial-based approaches for systemic delivery and implantable tools …


Diet-Induced Leukocyte Telomere Shortening In A Baboon Model For Early Stage Atherosclerosis, Genesio M. Karere, Michael C. Mahaney, Deborah E. Newman, Angelica M. Riojas, Clint Christensen, Shifra Birnbaum, John L. Vandeberg, Laura Cox Dec 2019

Diet-Induced Leukocyte Telomere Shortening In A Baboon Model For Early Stage Atherosclerosis, Genesio M. Karere, Michael C. Mahaney, Deborah E. Newman, Angelica M. Riojas, Clint Christensen, Shifra Birnbaum, John L. Vandeberg, Laura Cox

School of Medicine Publications and Presentations

Reported associations between leukocyte telomere length (LTL) attrition, diet and cardiovascular disease (CVD) are inconsistent. This study explores effects of prolonged exposure to a high cholesterol high fat (HCHF) diet on LTL in a baboon model of atherosclerosis. We measured LTL by qPCR in pedigreed baboons fed a chow (n = 105) or HCHF (n = 106) diet for 2 years, tested for effects of diet on LTL, and association between CVD risk factors and atherosclerotic lesions with LTL. Though not different at baseline, after 2 years median LTL is shorter in HCHF fed baboons (P < 0.0001). Diet predicts sex- and age-adjusted LTL and LTL attrition (P = 0.0009 and 0.0156, respectively). Serum concentrations of CVD biomarkers are associated with LTL at the 2-year endpoint and LTL accounts approximately 6% of the variance in aortic lesions (P = 0.04). Although heritable at baseline (h2 = 0.27, P = 0.027) and after 2 years (h2 = 0.46, P = 0.0038), baseline LTL does not predict lesion extent after 2 years. Atherogenic diet influences LTL, and LTL is a potential biomarker for early atherosclerosis. Prolonged exposure to an atherogenic diet decreases LTL and increases LTL attrition, and shortened LTL is associated with early-stage atherosclerosis in pedigreed baboons.


Veru-111 Suppresses Tumor Growth And Metastatic Phenotypes Of Cervical Cancer Cells Through The Activation Of P53 Signaling Pathway, Vivek Kumar Kashyap, Nirnoy Dan, Neeraj Chauhan, Qinghai Wang, Saini Setua, Prashanth K. B. Nagesh, Shabnam Malik, Vivek Batra, Murali M. Yallapu, Duane D. Miller, Bilal B. Hafeez, Meena Jaggi, Subhash C. Chauhan Dec 2019

Veru-111 Suppresses Tumor Growth And Metastatic Phenotypes Of Cervical Cancer Cells Through The Activation Of P53 Signaling Pathway, Vivek Kumar Kashyap, Nirnoy Dan, Neeraj Chauhan, Qinghai Wang, Saini Setua, Prashanth K. B. Nagesh, Shabnam Malik, Vivek Batra, Murali M. Yallapu, Duane D. Miller, Bilal B. Hafeez, Meena Jaggi, Subhash C. Chauhan

School of Medicine Publications and Presentations

In this study, we investigated the therapeutic efficacy of VERU-111 in vitro and in vivo model systems of cervical cancer. VERU-111 treatment inhibited cell proliferation and, clonogenic potential, induce accumulation of p53 and down regulated the expression of HPV E6/E7 expression in cervical cancer cells. In addition, VERU-111 treatment also decreased the expression of phosphorylation of Jak2 (TyR1007/1008) and STAT3 at Tyr705 and Ser727. VERU-111 treatment arrested cell cycle in the G2/M phase and modulated cell cycle regulatory proteins (cyclin B1, p21 p34cdc2 and pcdk1). Moreover, VERU-111 treatment induced apoptosis and modulated the expression of Bid, Bcl-xl, Survivin, Bax, Bcl2 …


Optical Detection Of The Structural Properties Of Tumor Tissue Generated By Xenografting Of Drug-Sensitive And Drug-Resistant Cancer Cells Using Partial Wave Spectroscopy (Pws), Prakash A. Adhikari, Prashanth K.B. Nagesh, Fatemah Alharthi, Subhash C. Chauhan, Meena Jaggi, Murali M. Yallapu, Prabhakar Pradhan Dec 2019

Optical Detection Of The Structural Properties Of Tumor Tissue Generated By Xenografting Of Drug-Sensitive And Drug-Resistant Cancer Cells Using Partial Wave Spectroscopy (Pws), Prakash A. Adhikari, Prashanth K.B. Nagesh, Fatemah Alharthi, Subhash C. Chauhan, Meena Jaggi, Murali M. Yallapu, Prabhakar Pradhan

School of Medicine Publications and Presentations

A mesoscopic physics-based optical imaging technique, partial wave spectroscopy (PWS), has been used for the detection of cancer by probing nanoscale structural alterations in cells/tissue. The development of drug-resistant cancer cells/tissues during chemotherapy is a major challenge in cancer treatment. In this paper, using a mouse model and PWS, the structural properties of tumor tissue grown in 3D structures by xenografting drug-resistant and drug-sensitive human prostate cancer cells having 2D structures, are studied. The results show that the 3D xenografted tissues maintain a similar hierarchy of the degree of structural disorder properties as that of the 2D original drug-sensitive and …


Genome-Wide Meta-Analysis Of Macronutrient Intake Of 91,114 European Ancestry Participants From The Cohorts For Heart And Aging Research In Genomic Epidemiology Consortium, Jordi Merino, Hassan S. Dashti, Sherly X. Li, Chloé Sarnowski, Anne E. Justice, Misa Graff, Constantina Papoutsakis, Caren E. Smith, George V. Dedoussis, John Blangero Dec 2019

Genome-Wide Meta-Analysis Of Macronutrient Intake Of 91,114 European Ancestry Participants From The Cohorts For Heart And Aging Research In Genomic Epidemiology Consortium, Jordi Merino, Hassan S. Dashti, Sherly X. Li, Chloé Sarnowski, Anne E. Justice, Misa Graff, Constantina Papoutsakis, Caren E. Smith, George V. Dedoussis, John Blangero

School of Medicine Publications and Presentations

Macronutrient intake, the proportion of calories consumed from carbohydrate, fat, and protein, is an important risk factor for metabolic diseases with significant familial aggregation. Previous studies have identified two genetic loci for macronutrient intake, but incomplete coverage of genetic variation and modest sample sizes have hindered the discovery of additional loci. Here, we expanded the genetic landscape of macronutrient intake, identifying 12 suggestively significant loci (P < 1 × 10-6) associated with intake of any macronutrient in 91,114 European ancestry participants. Four loci replicated and reached genome-wide significance in a combined meta-analysis including 123,659 European descent participants, unraveling two novel loci; a common variant in RARB locus for carbohydrate intake and a rare variant in DRAM1 locus for protein intake, and corroborating earlier FGF21 and FTO findings. In additional analysis of 144,770 participants from the UK Biobank, all identified associations from the two-stage analysis were confirmed except for DRAM1. Identified loci might have implications in brain and adipose tissue biology and have clinical impact in obesity-related phenotypes. Our findings provide new insight into biological functions related to macronutrient intake.


Crossover Interference And Sex-Specific Genetic Maps Shape Identical By Descent Sharing In Close Relatives, Madison Caballero, Daniel N. Seidman, Ying Qiao, Jens Sannerud, Thomas D. Dyer, Donna M. Lehman, Joanne E. Curran, Ravindranath Duggirala, John Blangero, Shai Carmi, Amy L. Williams Dec 2019

Crossover Interference And Sex-Specific Genetic Maps Shape Identical By Descent Sharing In Close Relatives, Madison Caballero, Daniel N. Seidman, Ying Qiao, Jens Sannerud, Thomas D. Dyer, Donna M. Lehman, Joanne E. Curran, Ravindranath Duggirala, John Blangero, Shai Carmi, Amy L. Williams

School of Medicine Publications and Presentations

Simulations of close relatives and identical by descent (IBD) segments are common in genetic studies, yet most past efforts have utilized sex averaged genetic maps and ignored crossover interference, thus omitting features known to affect the breakpoints of IBD segments. We developed Ped-sim, a method for simulating relatives that can utilize either sex-specific or sex averaged genetic maps and also either a model of crossover interference or the traditional Poisson model for inter-crossover distances. To characterize the impact of previously ignored mechanisms, we simulated data for all four combinations of these factors. We found that modeling crossover interference decreases the …


Use Of >100,000 Nhlbi Trans-Omics For Precision Medicine (Topmed) Consortium Whole Genome Sequences Improves Imputation Quality And Detection Of Rare Variant Associations In Admixed African And Hispanic/Latino Populations, Madeline H. Kowalski, Huijun Qian, Ziyi Hou, Jonathan D. Rosen, Amanda L. Tapia, Yue Shan, Deepti Jain, Maria Argos, John Blangero, Juan M. Peralta Dec 2019

Use Of >100,000 Nhlbi Trans-Omics For Precision Medicine (Topmed) Consortium Whole Genome Sequences Improves Imputation Quality And Detection Of Rare Variant Associations In Admixed African And Hispanic/Latino Populations, Madeline H. Kowalski, Huijun Qian, Ziyi Hou, Jonathan D. Rosen, Amanda L. Tapia, Yue Shan, Deepti Jain, Maria Argos, John Blangero, Juan M. Peralta

School of Medicine Publications and Presentations

Most genome-wide association and fine-mapping studies to date have been conducted in individuals of European descent, and genetic studies of populations of Hispanic/Latino and African ancestry are limited. In addition, these populations have more complex linkage disequilibrium structure. In order to better define the genetic architecture of these understudied populations, we leveraged >100,000 phased sequences available from deep-coverage whole genome sequencing through the multi-ethnic NHLBI Trans-Omics for Precision Medicine (TOPMed) program to impute genotypes into admixed African and Hispanic/Latino samples with genome-wide genotyping array data. We demonstrated that using TOPMed sequencing data as the imputation reference panel improves genotype imputation …


Dexamethasone As Abortive Treatment For Refractory Seizures Or Status Epilepticus In The Inpatient Setting, Alexander B. Ramos, Roberto A. Cruz, Nicole R. Villemarette-Pittman, Piotr W. Olejniczak, Edward C. Mader Jr. Dec 2019

Dexamethasone As Abortive Treatment For Refractory Seizures Or Status Epilepticus In The Inpatient Setting, Alexander B. Ramos, Roberto A. Cruz, Nicole R. Villemarette-Pittman, Piotr W. Olejniczak, Edward C. Mader Jr.

School of Medicine Publications and Presentations

Refractory seizures or status epilepticus (RS/SE) continues to be a challenge in the inpatient setting. Failure to abort a seizure with antiepileptic drugs (AEDs) may lead to intubation and treatment with general anesthesia exposing patients to complications, extending hospitalization, and increasing the cost of care. Studies have shown a key role of inflammatory mediators in seizure generation and termination. We describe 4 patients with RS/SE that was aborted when dexamethasone was added to conventional AEDs: a 61-year-old female with temporal lobe epilepsy who presented with delirium, nonconvulsive status epilepticus, and oculomyoclonic status; a 56-year-old female with history of traumatic left …


Full Recovery From Cocaine-Induced Toxic Leukoencephalopathy: Emphasizing The Role Of Neuroinflammation And Brain Edema, Edward C. Mader Jr., Alexander B. Ramos, Roberto A. Cruz, Lionel A. Branch Dec 2019

Full Recovery From Cocaine-Induced Toxic Leukoencephalopathy: Emphasizing The Role Of Neuroinflammation And Brain Edema, Edward C. Mader Jr., Alexander B. Ramos, Roberto A. Cruz, Lionel A. Branch

School of Medicine Publications and Presentations

Toxic leukoencephalopathy (TL) is characterized by white matter disease on magnetic resonance imaging (MRI) and evidence of exposure to a neurotoxic agent. We describe a case of cocaine-induced TL in which extensive white matter disease did not preclude full recovery. A 57-year-old man with substance abuse disorder presented with a 5-day history of strange behavior. On admission, he was alert but had difficulty concentrating, psychomotor retardation, and diffuse hyperreflexia. Brain MRI revealed confluent subcortical white matter hyperintensities with restricted diffusion in some but not in other areas. Electroencephalography (EEG) showed mild diffuse slowing. Blood tests were normal except for mild …


Novel Mechanistic Insight Into The Anticancer Activity Of Cucurbitacin D Against Pancreatic Cancer (Cuc D Attenuates Pancreatic Cancer), Mohammed Sikander, Shabnam Malik, Sheema Khan, Sonam Kumari, Neeraj Chauhan, Parvez Khan, Fathi T. Halaweish, Bhavin Chauhan, Murali M. Yallapu, Meena Jaggi, Subhash C. Chauhan Dec 2019

Novel Mechanistic Insight Into The Anticancer Activity Of Cucurbitacin D Against Pancreatic Cancer (Cuc D Attenuates Pancreatic Cancer), Mohammed Sikander, Shabnam Malik, Sheema Khan, Sonam Kumari, Neeraj Chauhan, Parvez Khan, Fathi T. Halaweish, Bhavin Chauhan, Murali M. Yallapu, Meena Jaggi, Subhash C. Chauhan

School of Medicine Publications and Presentations

Pancreatic cancer (PanCa) is one of the leading causes of death from cancer in the United States. The current standard treatment for pancreatic cancer is gemcitabine, but its success is poor due to the emergence of drug resistance. Natural products have been widely investigated as potential candidates in cancer therapies, and cucurbitacin D (Cuc D) has shown excellent anticancer properties in various models. However, there is no report on the therapeutic effect of Cuc D in PanCa. In the present study, we investigated the effects of the Cuc D on PanCa cells in vitro and in vivo. Cuc D inhibited …


Mind, Brain, And Behavior: An Integrative Approach To Teaching Neuroscience To Medical Students, Arden D. Dingle, Annelyn Torres-Reveron, Mario Gil, Francisco Fernandez, Ignacio Martinez Escobedo, Valerie Terry, Gladys E. Maestre, Gabriel A. De Erausquin Dec 2019

Mind, Brain, And Behavior: An Integrative Approach To Teaching Neuroscience To Medical Students, Arden D. Dingle, Annelyn Torres-Reveron, Mario Gil, Francisco Fernandez, Ignacio Martinez Escobedo, Valerie Terry, Gladys E. Maestre, Gabriel A. De Erausquin

School of Medicine Publications and Presentations

Disorders related to neuroscience, psychiatry, and neurology cause significant disease burdens impacting medical practice [1, 2]. Teaching medical students these subjects remains challenging as many consider neuroscience and neurology too difficult to adequately learn [3] and psychiatry to be irrelevant [47]. Developing and implementing curricular initiatives to effectively teach these subjects so that students can utilize these knowledge and skills in practice is essential.

Interactive educational methods offer new approaches to improve student learning, especially within current educational initiatives that emphasize integration of basic and clinical science and incorporation of social …


Opposing Age-Related Trends In Absolute And Relative Risk Of Adverse Health Outcomes Associated With Out-Of-Office Blood Pressure, Yan Li, Lutgarde Thijs, Zhen-Yu Zhang, Kei Asayama, Tine W. Hansen, José Boggia, Kristina Björklund-Bodegård, Wen-Yi Yang, Gladys E. Maestre Dec 2019

Opposing Age-Related Trends In Absolute And Relative Risk Of Adverse Health Outcomes Associated With Out-Of-Office Blood Pressure, Yan Li, Lutgarde Thijs, Zhen-Yu Zhang, Kei Asayama, Tine W. Hansen, José Boggia, Kristina Björklund-Bodegård, Wen-Yi Yang, Gladys E. Maestre

School of Medicine Publications and Presentations

Participant-level meta-analyses assessed the age-specific relevance of office blood pressure to cardiovascular complications, but this information is lacking for out-of-office blood pressure. At baseline, daytime ambulatory (n=12 624) or home (n=5297) blood pressure were measured in 17 921 participants (51.3% women; mean age, 54.2 years) from 17 population cohorts. Subsequently, mortality and cardiovascular events were recorded. Using multivariable Cox regression, floating absolute risk was computed across 4 age bands (≤60, 61-70, 71-80, and >80 years). Over 236 491 person-years, 3855 people died and 2942 cardiovascular events occurred. From levels as low as 110/65 mm Hg, risk log-linearly increased with higher …


Reck Suppresses Interleukin-17/Traf3ip2-Mediated Mmp-13 Activation And Human Aortic Smooth Muscle Cell Migration And Proliferation, Srinivas Mummidi, Nitin A. Das, Andrea J. Carpenter, Tadashi Yoshida, Manjunath Yariswamy, Ricardo Mostany, Reza Izadpanah, Yusuke Higashi, Sergiy Sukhanov, Makoto Noda, Ulrich Siebenlist, Randy S. Rector, Bysani Chandrasekar Dec 2019

Reck Suppresses Interleukin-17/Traf3ip2-Mediated Mmp-13 Activation And Human Aortic Smooth Muscle Cell Migration And Proliferation, Srinivas Mummidi, Nitin A. Das, Andrea J. Carpenter, Tadashi Yoshida, Manjunath Yariswamy, Ricardo Mostany, Reza Izadpanah, Yusuke Higashi, Sergiy Sukhanov, Makoto Noda, Ulrich Siebenlist, Randy S. Rector, Bysani Chandrasekar

School of Medicine Publications and Presentations

Sustained inflammation and matrix metalloproteinase (MMP) activation contribute to vascular occlusive/proliferative disorders. Interleukin-17 (IL-17) is a proinflammatory cytokine that signals mainly via TRAF3 Interacting Protein 2 (TRAF3IP2), an upstream regulator of various critical transcription factors, including AP-1 and NF-κB. Reversion inducing cysteine rich protein with kazal motifs (RECK) is a membrane-anchored MMP inhibitor. Here we investigated whether IL-17A/TRAF3IP2 signaling promotes MMP-13-dependent human aortic smooth muscle cell (SMC) proliferation and migration, and determined whether RECK overexpression blunts these responses. Indeed, IL-17A treatment induced (a) JNK, p38 MAPK, AP-1, NF-κB, and CREB activation, (b) miR-21 induction, (c) miR-27b and miR-320 inhibition, (d) …


The Increase Of Hiv-1 Infection, Neurocognitive Impairment, And Type 2 Diabetes In The Rio Grande Valley, Roberto De La Garza, Hansapani Rodrigo, Francisco Fernandez, Upal Roy Nov 2019

The Increase Of Hiv-1 Infection, Neurocognitive Impairment, And Type 2 Diabetes In The Rio Grande Valley, Roberto De La Garza, Hansapani Rodrigo, Francisco Fernandez, Upal Roy

Health & Biomedical Sciences Faculty Publications and Presentations

The Human Immunodeficiency Virus (HIV-1) infection remains a persistent predicament for the State of Texas, ranking seventh among the most documented HIV cases in the United States. In this regard, the Rio Grande Valley (RGV) in South Texas is considered as one of the least investigated areas of the state with respect to HIV infection and HIV associated comorbidities. Considering the 115% increase in average HIV incidence rates per 100,000 within the RGV from 2007-2015, it is worth characterizing this population with respect to their HIV-1 infection, HIV-1 Associated Neurocognitive Disorders (HAND), and the association of treatment with combined antiretroviral …


Cordycepin Inhibits Human Ovarian Cancer By Inducing Autophagy And Apoptosis Through Dickkopf-Related Protein 1/Β-Catenin Signaling, Hyun-Jin Jang, Kyeong Eun Yang, In-Hu Hwang, Yang Hoon Huh, Dae Joon Kim, Hwa-Seung Yoo, Soo Jung Park, Ik-Soon Jang Nov 2019

Cordycepin Inhibits Human Ovarian Cancer By Inducing Autophagy And Apoptosis Through Dickkopf-Related Protein 1/Β-Catenin Signaling, Hyun-Jin Jang, Kyeong Eun Yang, In-Hu Hwang, Yang Hoon Huh, Dae Joon Kim, Hwa-Seung Yoo, Soo Jung Park, Ik-Soon Jang

School of Medicine Publications and Presentations

Cordycepin, the major active component from Cordyceps militaris, has been reported to significantly inhibit some types of cancer; however, its effects on ovarian cancer are still not well understood. In this study, we treated human ovarian cancer cells with different doses of cordycepin and found that it dose-dependently reduced ovarian cancer cell viability, based on Cell counting kit-8 reagent. Immunoblotting showed that cordycepin increased Dickkopf-related protein 1 (Dkk1) levels and inhibited β-catenin signaling. Atg7 knockdown in ovarian cancer cells significantly inhibited cordycepin-induced apoptosis, whereas β-catenin overexpression abolished the effects of cordycepin on cell death and proliferation. Furthermore, we found …


Gemcitabine Combination Nano Therapies For Pancreatic Cancer, Kamalika Samanta, Saini Setua, Sonam Kumari, Meena Jaggi, Murali M. Yallapu, Subhash C. Chauhan Nov 2019

Gemcitabine Combination Nano Therapies For Pancreatic Cancer, Kamalika Samanta, Saini Setua, Sonam Kumari, Meena Jaggi, Murali M. Yallapu, Subhash C. Chauhan

School of Medicine Publications and Presentations

Pancreatic cancer is one of the deadliest causes of cancer-related death in the United States, with a 5-year overall survival rate of 6 to 8%. These statistics suggest that immediate medical attention is needed. Gemcitabine (GEM) is the gold standard first-line single chemotherapy agent for pancreatic cancer but, after a few months, cells develop chemoresistance. Multiple clinical and experimental investigations have demonstrated that a combination or co-administration of other drugs as chemotherapies with GEM lead to superior therapeutic benefits. However, such combination therapies often induce severe systemic toxicities. Thus, developing strategies to deliver a combination of chemotherapeutic agents more securely …


Estimating The Heritability Of Experiencing Child Maltreatment In An Extended Family Design, Katharina Pittner, Marian J. Bakermans-Kranenburg, Lenneke R. A. Alink, Renate S. M. Buisman, Lisa J. M. Van Den Bergo, Laura H. C. G. C. Compier-De Block, Alexandra Voorthuis, Bernet M. Elzinga, Jolanda Lindenberg, Marieke S. Tollenaar, Marielle Linting, Vincent P. Diego, Marinus H. Van Ijzendoorn Nov 2019

Estimating The Heritability Of Experiencing Child Maltreatment In An Extended Family Design, Katharina Pittner, Marian J. Bakermans-Kranenburg, Lenneke R. A. Alink, Renate S. M. Buisman, Lisa J. M. Van Den Bergo, Laura H. C. G. C. Compier-De Block, Alexandra Voorthuis, Bernet M. Elzinga, Jolanda Lindenberg, Marieke S. Tollenaar, Marielle Linting, Vincent P. Diego, Marinus H. Van Ijzendoorn

School of Medicine Publications and Presentations

Child-driven genetic factors can contribute to negative parenting and may increase the risk of being maltreated. Experiencing childhood maltreatment may be partly heritable, but results of twin studies are mixed. In the current study, we used a cross-sectional extended family design to estimate genetic and environmental effects on experiencing child maltreatment. The sample consisted of 395 individuals (225 women; M age = 38.85 years, rangeage = 7–88 years) from 63 families with two or three participating generations. Participants were oversampled for experienced maltreatment. Self-reported experienced child maltreatment was measured using a questionnaire assessing physical and emotional abuse, and physical …


Isodeoxyelephantopin, A Sesquiterpene Lactone Induces Ros Generation, Suppresses Nf-Κb Activation, Modulates Lncrna Expression And Exhibit Activities Against Breast Cancer, Sumit S. Verma, Vipin Rai, Nikee Awasthee, Anupam Dhasmana, Dhanya S. Rajalaksmi, Mangalam S. Nair, Subash C. Gupta Nov 2019

Isodeoxyelephantopin, A Sesquiterpene Lactone Induces Ros Generation, Suppresses Nf-Κb Activation, Modulates Lncrna Expression And Exhibit Activities Against Breast Cancer, Sumit S. Verma, Vipin Rai, Nikee Awasthee, Anupam Dhasmana, Dhanya S. Rajalaksmi, Mangalam S. Nair, Subash C. Gupta

School of Medicine Publications and Presentations

The sesquiterpene lactones, Isodeoxyelephantopin (IDET) and Deoxyelephantopin (DET) are known to exhibit activities against some cancer types. The activities of these lactones against breast cancer and the molecular bases is not known. We examined the efficacy of lactones in breast cancer preclinical model. Although both lactones exhibited drug like properties, IDET was relatively effective in comparison to DET. IDET suppressed the proliferation of both invasive and non-invasive breast cancer cell lines. IDET also suppressed the colony formation and migration of breast cancer cells. The assays for Acridine Orange (AO)/Propidium Iodide (PI) staining, cell cycle distribution, phosphatidylserine externalization and DNA laddering …


Fine Mapping And Identification Of Serum Urate Loci In American Indians: The Strong Heart Family Study, Geetha Chittoor, Karin Haack, Poojitha Balakrishnan, Christopher Bizon, Sandra Laston, Lyle G. Best, Jean W. Maccluer, Kari E. North, Jason G. Umans Nov 2019

Fine Mapping And Identification Of Serum Urate Loci In American Indians: The Strong Heart Family Study, Geetha Chittoor, Karin Haack, Poojitha Balakrishnan, Christopher Bizon, Sandra Laston, Lyle G. Best, Jean W. Maccluer, Kari E. North, Jason G. Umans

School of Medicine Publications and Presentations

While studies have reported genetic loci affecting serum urate (SU) concentrations, few studies have been conducted in minority populations. Our objective for this study was to identify genetic loci regulating SU in a multigenerational family-based cohort of American Indians, the Strong Heart Family Study (SHFS). We genotyped 162,718 single nucleotide polymorphisms (SNPs) in 2000 SHFS participants using an Illumina MetaboChip array. A genome-wide association analysis of SU was conducted using measured genotype analysis approach accounting for kinships in SOLAR, and meta-analysis in METAL. Our results showed strong association of SU with rs4481233, rs9998811, rs7696092 and rs13145758 (minor allele frequency (MAF) …


Exploring The Hispanic Health Paradox In Mental Health Outcomes: Evidence From The Us-Mexico Border, Laryssa Mykyta, Suad Ghaddar, Leonel Vela Nov 2019

Exploring The Hispanic Health Paradox In Mental Health Outcomes: Evidence From The Us-Mexico Border, Laryssa Mykyta, Suad Ghaddar, Leonel Vela

Health & Biomedical Sciences Faculty Publications and Presentations

Background: Research has established that Hispanic immigrants experience better health outcomes than their US-born counterparts. However, it is unclear whether the immigrant advantage holds for mental health. The purpose of this study is to examine mental health disparities by nativity status in an underserved Hispanic population along the southern border.

Methods: We collected data (N=713, weighted 733,644 adults) in four counties (90% Hispanic) along the Texas-Mexico border from March through August 2018 utilizing a dual-frame sampling design (random-digit dial telephone survey and field survey in randomly-selected colonias). We assessed several mental health outcomes (depression, anxiety, poor mental health …


Corneal Refractive Surgery In Patients With History Of Optic Neuritis, Majid Moshirfar, William D. Wagner, Steven H. Linn, Tanner W. Brown, Jackson L. Goldberg, Aaron T. Gomez, Yasmyne C. Ronquillo, Phillip C. Hoopes Oct 2019

Corneal Refractive Surgery In Patients With History Of Optic Neuritis, Majid Moshirfar, William D. Wagner, Steven H. Linn, Tanner W. Brown, Jackson L. Goldberg, Aaron T. Gomez, Yasmyne C. Ronquillo, Phillip C. Hoopes

School of Medicine Publications and Presentations

Purpose

The purpose of this study was to evaluate the risk of recurrence of optic neuritis after corneal refractive surgery in patients with a history of optic neuritis and to examine the safety and efficacy of the procedure in this population.

Methods

This was a retrospective chart review of patients with a history of optic neuritis who underwent laser-assisted in situ keratomileusis (LASIK) or photorefractive keratectomy (PRK) at a single tertiary center from June 1996 to December 2014. Fifteen eyes of 14 patients were included in this study. Visual acuity before and after the surgery was recorded. Patients were followed-up …


Cross-Linked Polyphenol-Based Drug Nano-Self-Assemblies Engineered To Blockade Prostate Cancer Senescence, Prashanth K.B. Nagesh, Pallabita Chowdhury, Elham Hatami, Sonam Kumari, Vivek K. Kashyap, Manish Tripathi, Santosh Wagh, Bernd Meibohm, Subhash C. Chauhan, Meena Jaggi, Murali M. Yallapu Oct 2019

Cross-Linked Polyphenol-Based Drug Nano-Self-Assemblies Engineered To Blockade Prostate Cancer Senescence, Prashanth K.B. Nagesh, Pallabita Chowdhury, Elham Hatami, Sonam Kumari, Vivek K. Kashyap, Manish Tripathi, Santosh Wagh, Bernd Meibohm, Subhash C. Chauhan, Meena Jaggi, Murali M. Yallapu

School of Medicine Publications and Presentations

Cellular senescence is one of the prevailing issues in cancer therapeutics that promotes cancer relapse, chemoresistance, and recurrence. Patients undergoing persistent chemotherapy often develop drug-induced senescence. Docetaxel, an FDA-approved treatment for prostate cancer, is known to induce cellular senescence which often limits the overall survival of patients. Strategic therapies that counter the cellular and drug-induced senescence are an unmet clinical need. Towards this an effort was made to develop a novel therapeutic strategy that targets and removes senescent cells from the tumors, we developed a nanoformulation of tannic acid−docetaxel self-assemblies (DSAs). The construction of DSAs was confirmed through particle size …


Camptothecin-Based Dendrimersomes For Gene Delivery And Redox-Responsive Drug Delivery To Cancer Cells, Partha Laskar, Sukrut Somani, Sarah Jane Campbell, Margaret Mullin, Patricia Keating, Rothwelle J. Tate, Craig Irving, Hing Y. Leung, Christine Dufès Oct 2019

Camptothecin-Based Dendrimersomes For Gene Delivery And Redox-Responsive Drug Delivery To Cancer Cells, Partha Laskar, Sukrut Somani, Sarah Jane Campbell, Margaret Mullin, Patricia Keating, Rothwelle J. Tate, Craig Irving, Hing Y. Leung, Christine Dufès

School of Medicine Publications and Presentations

Combination therapy involving chemotherapeutic drugs and genes is emerging as a promising strategy to provide a synergistic therapeutic effect, to overcome drug resistance while reducing the severe side effects associated with conventional chemotherapeutic drugs. However, the lack of nanomedicines able to simultaneously carry anti-cancer drugs and nucleic acids limits the application of this therapeutic strategy. To overcome this issue, we proposed to synthesize a pro-drug dendrimer by conjugating the PEGylated, positively charged generation 3-diaminobutyric polypropylenimine dendrimer to the anti-cancer drug camptothecin with a redox-sensitive disulphide linkage, and evaluate its efficacy to co-deliver the complexed DNA and camptothecin to cancer cells. …


Advanced Glycation End Products: Formation, Role In Diabetic Complications, And Potential In Clinical Application, Rujman Khan, Xin Yee Ooi, Matthew N. Parvus, Laura Valdez, Andrew Tsin Oct 2019

Advanced Glycation End Products: Formation, Role In Diabetic Complications, And Potential In Clinical Application, Rujman Khan, Xin Yee Ooi, Matthew N. Parvus, Laura Valdez, Andrew Tsin

School of Medicine Publications and Presentations

Hyperglycemic conditions and disruptions to glucose-regulating pathways lead to increased formation of highly reactive aldehydes, methylglyoxal and glyoxal, which react with certain arginine and lysine residues in proteins to form advanced glycation end products (AGEs). These AGEs damage the integrity of the retinal vasculature predominantly through two mechanisms: non-receptor-mediated damage, which pertains to the interaction with extracellular matrix and its functional properties, and receptor-mediated damage through AGE interactions with their receptors (RAGE) on pericytes and Muller cells. Damage occurring between AGE and RAGE potentially generates reactive oxygen species, inflammatory cytokines, and growth factors. Both mechanisms result in increased permeability of …


End Tidal Carbon Dioxide Monitoring (Capnography) In The Cardiac Intensive Care Unit, Madeline Elaine Huff, Kenneth T. Shelton Oct 2019

End Tidal Carbon Dioxide Monitoring (Capnography) In The Cardiac Intensive Care Unit, Madeline Elaine Huff, Kenneth T. Shelton

School of Medicine Publications and Presentations

Background: Carbon dioxide levels can be monitored throughout the respiratory cycle via capnography. In this way, capnography allows healthcare professionals to follow several respiratory factors in real-time, including respiratory depression, apnea, and hypercapnia. Postoperative patients are subjected to significant harm while receiving sedating medications without appropriate monitoring and intervention. Earlier detection of alterations to ventilation status will better enable providers to more accurately dose medications during procedures, especially in high-risk patient populations.

Methods: Patient selection included post-operative patients in the intensive care unit that were receiving sedation/analgesia, high dose or high frequency opioids, epidural or intrathecal pain management, patients that …


Gender-Specific Differences In Clinical And Metabolic Variables Associated With Nafld In A Mexican Pediatric Population, Eréndira Villanueva-Ortega, María José Garcés-Hernández, Arturo Herrera-Rosas, Juan Carlos Lopez Alvarenga, Estibalitz Laresgoiti-Servitje, Galileo Escobedo, Gloria Queipo, Sergio Cuevas-Covarrubias, Guadalupe Nayely Garibay-Nieto Oct 2019

Gender-Specific Differences In Clinical And Metabolic Variables Associated With Nafld In A Mexican Pediatric Population, Eréndira Villanueva-Ortega, María José Garcés-Hernández, Arturo Herrera-Rosas, Juan Carlos Lopez Alvarenga, Estibalitz Laresgoiti-Servitje, Galileo Escobedo, Gloria Queipo, Sergio Cuevas-Covarrubias, Guadalupe Nayely Garibay-Nieto

School of Medicine Publications and Presentations

Introduction and objectives: Non-alcoholic fatty liver disease (NAFLD) is the most common liver disease in children and it is more prevalent in Hispanic males. The gender differences can be explained by body fat distribution, lifestyle, or sex hormone metabolism. We evaluated anthropometric and metabolic differences by gender in children with and without NAFLD.

Methods: We included 194 participants (eutrophic, overweight, and individuals with obesity). The presence of NAFLD was determined using ultrasonography, and we evaluated the association between this disease with metabolic and anthropometric variables by gender.

Results: The mean age was 10.64±2.54 years. The frequency of NAFLD in boys …


Keratoconus In A Patient With Alport Syndrome: A Case Report, Majid Moshirfar, David F. Skanchy, Aaron T. Gomez, Yasmyne C. Ronquillo, Benjamin Buckner, Phillip C. Hoopes Oct 2019

Keratoconus In A Patient With Alport Syndrome: A Case Report, Majid Moshirfar, David F. Skanchy, Aaron T. Gomez, Yasmyne C. Ronquillo, Benjamin Buckner, Phillip C. Hoopes

School of Medicine Publications and Presentations

BACKGROUND Known ocular manifestations of Alport syndrome include features such as anterior lenticonus and fleck retinopathy. Reports of keratoconus in such patients are limited. We report tomographic findings consistent with keratoconus in a patient with Alport syndrome.

CASE SUMMARY A 52-year-old female was referred to our ophthalmology clinic with decreased vision and increased tearing. She was diagnosed with stage III Alport syndrome two years prior. Upon examination she was found to have average keratometries of 48 D bilaterally with tomographic evidence of keratoconus.

CONCLUSION Although a rare presentation, concurrent Alport syndrome and keratoconus should be considered when reviewing the ocular …


Coughing Up Casts: An Adult Case Of Plastic Bronchitis, Michael Lapelusa, Ayesha Hamid, Dayan Ojeda-Damas, Rehan Ansari, Supraja Thunuguntla, Daniella Concha, Carlos Ramos, Laura Garcia, James Hanley Oct 2019

Coughing Up Casts: An Adult Case Of Plastic Bronchitis, Michael Lapelusa, Ayesha Hamid, Dayan Ojeda-Damas, Rehan Ansari, Supraja Thunuguntla, Daniella Concha, Carlos Ramos, Laura Garcia, James Hanley

School of Medicine Publications and Presentations

Plastic bronchitis is characterized by the formation of bronchial casts that form in airways with the potential to cause obstruction. It is most commonly seen in pediatric patients with cyanotic heart disease. It is rare in adults, especially those without chronic lung or rheumatologic disease.


Ormeloxifene Nanotherapy For Cervical Cancer Treatment, Neeraj Chauhan, Diane M. Maher, Bilal B. Hafeez, Hassan Mandil, Man M. Singh, Murali M. Yallapu, Meena Jaggi, Subhash C. Chauhan Sep 2019

Ormeloxifene Nanotherapy For Cervical Cancer Treatment, Neeraj Chauhan, Diane M. Maher, Bilal B. Hafeez, Hassan Mandil, Man M. Singh, Murali M. Yallapu, Meena Jaggi, Subhash C. Chauhan

School of Medicine Publications and Presentations

Background: Cervical cancer (CxCa) ranks as the fourth most prevalent women-related cancer worldwide. Therefore, there is a crucial need to develop newer treatment modalities. Ormeloxifene (ORM) is a non-steroidal, selective estrogen receptor modulator (SERM) that is used as an oral contraceptive in humans. Recent investigations suggest that ORM exhibits potent anti-cancer activity against various types of cancers. Nanoparticulates offer targeted delivery of anti-cancer drugs with minimal toxicity and promise newer approaches for cancer diagnosis and treatment. Therefore, the nanotherapy approach is superior compared to traditional chemotherapy, which is not site-specific and is often associated with various side effects.

Methods: Pursuing …