319 results match your criteria: "The University of Texas Health Sciences Center[Affiliation]"

What Is Known And Objective: High-dose methotrexate (HD-MTX) is associated with a plethora of adverse drug reactions and potential drug interactions (DIs). But there is a paucity of information regarding the safety of co-administering primaquine with HD-MTX.

Case Summary: A 65-year-old male patient was diagnosed with mantle cell lymphoma (MCL) with CNS involvement and treated with three cycles of IV HD-MTX.

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Amyotrophic lateral sclerosis (ALS) is a progressive motor neuron disease that culminates in paralysis and death. Here, we present our analyses of publicly available multiOMIC data sets generated using motor neurons from ALS patients and control cohorts. Functional annotation of differentially expressed genes in induced pluripotent stem cell (iPSC)-derived motor neurons generated from patients with mutations in C9ORF72 (C9-ALS) suggests elevated expression of genes that pertain to extracellular matrix (ECM) and cell adhesion, inflammation and TGFβ targets.

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Epidermolysis bullosa (EB) is a group of rare mucocutaneous fragility disorders often presenting in infancy and early childhood with painful blistering of the skin and mucous membranes. The severity of EB blister burden varies by disease subtype. Studies have shown that patients with generalized severe epidermolysis bullosa simplex (EBS), a variant characterized by extreme fragility, develop blisters in the setting of overproduced, mutated K14 protein, a component of the intermediate filament integral in keratinocyte stability, and constitutive activation of interleukin (IL)-1 , a pro-inflammatory cytokine that promotes the hyperproliferation of keratinocytes.

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The HIV type-1 nonnucleoside reverse transcriptase inhibitor, efavirenz, is widely used to treat HIV type-1 infection. Efavirenz is predominantly metabolized into inactive metabolites by cytochrome P450 (CYP)2B6, and patients with certain CYP2B6 genetic variants may be at increased risk for adverse effects, particularly central nervous system toxicity and treatment discontinuation. We summarize the evidence from the literature and provide therapeutic recommendations for efavirenz prescribing based on CYP2B6 genotypes.

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Hyperhidrosis is a condition characterized by excessive sweat production beyond which is physiologically necessary for thermal regulation. Affecting over 4.8% of the United States population, studies have shown that severe primary hyperhidrosis interferes with daily activities and can be considered intolerable, negatively impacting a patient’s quality of life.

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Article Synopsis
  • The study examines factors that lead to unequal access to recommended chemotherapy for breast cancer patients, focusing on demographics, clinical characteristics, and geographical location.
  • Key findings show that older age (≥ 65), living in areas with high poverty, and having early-stage disease are linked to not receiving chemotherapy, which in turn correlates with poorer survival rates.
  • A specific area in West Texas was identified as having significantly lower chemotherapy receipt and higher breast cancer mortality, highlighting the need for targeted interventions to address these disparities.
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Purpose: To describe our institutional experience with cytoreductive/consolidative radical cystectomy (CCRC) for metastatic urothelial carcinoma (UC) and to investigate clinicopathologic features predicting prolonged cancer specific survival (CSS) following CCRC.

Methods: We performed IRB-approved review of our cystectomy database, and identified 43 patients with metastatic UC who underwent CCRC. Baseline demographics, chemotherapy regimen, clinicopathologic features, and perioperative complications were collected.

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Our research had 2 aims, first, to determine if electrocardiographic early repolarization pattern anomalies (ERPAs) were more likely present among children and adolescents diagnosed with attention-deficit hyperactivity disorder (ADHD; n = 416) when compared with non-ADHD children (n = 187), and second, to asses if ADHD patients whose parents report severe ADHD psychometric scores were more likely to have ERPA in their surface ECG (electrocardiography) when compared with other ADHD patients with mild to moderate dysfunction or no dysfunction. In our unmatched case-control study, ERPA was recognized when there was an end QRS notch (J wave) or slur on the downslope of a prominent R wave with and without ST-segment elevation and the peak of the notch or J wave (Jp) ≥0.1 mV in ≥2 contiguous leads, excluding V1-V3 anterior lead, and QRS duration (measured in leads in which a notch or slur is absent) <120 ms or ST-segment elevation >0.

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Noncoding RNAs in cardiovascular diseases.

Curr Opin Cardiol

May 2019

Center for Cardiovascular Genetics, Institute of Molecular Medicine, The University of Texas Health Sciences Center at Houston, Texas, USA.

Article Synopsis
  • The review highlights the significance of long noncoding RNAs (lncRNAs) in heart failure and cardiovascular diseases.
  • Recent research shows that lncRNAs contribute to various cardiac functions, including regeneration and hypertrophy, by interacting with MicroRNAs and proteins.
  • Understanding lncRNAs could unveil new therapeutic approaches for treating cardiovascular diseases, emphasizing the need for further research into their specific mechanisms.
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HRAS-driven cancer cells are vulnerable to TRPML1 inhibition.

EMBO Rep

April 2019

Department of Integrative Biology and Pharmacology, McGovern Medical School, the University of Texas Health Sciences Center (UTHealth), Houston, TX, USA

By serving as intermediaries between cellular metabolism and the bioenergetic demands of proliferation, endolysosomes allow cancer cells to thrive under normally detrimental conditions. Here, we show that an endolysosomal TRP channel, TRPML1, is necessary for the proliferation of cancer cells that bear activating mutations in Expression of , which encodes TRPML1, is significantly elevated in -positive tumors and inversely correlated with patient prognosis. Concordantly, knockdown or TRPML1 inhibition selectively reduces the proliferation of cancer cells that express oncogenic, but not wild-type, Mechanistically, TRPML1 maintains oncogenic HRAS in signaling-competent nanoclusters at the plasma membrane by mediating cholesterol de-esterification and transport.

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Approximately two-thirds of adults and youth in Prince George's County, Maryland, a suburb of Washington, D.C. are overweight or obese and less than half are achieving daily physical activity recommendations.

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Background: The National Cooperative Growth Study (NCGS) data are reviewed from 1985-2010 to report on final demographic, efficacy, and safety findings, and to illustrate the value of long-term, real-world follow-up to physicians and patients.

Methods: The NCGS was a multicenter, open-label, observational, postmarketing surveillance study of Genentech growth hormone (GH) products for the treatment of children with growth failure in North America.

Findings: Data from 65,205 patients representing 240,951 patient-years of experience were collected.

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Objective: Evaluate the factors that influence caregiver-reported completion of nasoalveolar molding (NAM) therapy for patients with cleft lip and palate.

Design: An IRB-approved 30-question survey.

Setting: Outpatient clinic for patients with cleft lip.

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Lung cancer continues to be the leading cause of cancer deaths and more than one million lung cancer patients will die every year worldwide. Radiotherapy (RT) plays an important role in lung cancer treatment, but the side effects of RT are pneumonitis and pulmonary fibrosis. RT-induced lung injury causes damage to alveolar-epithelial cells and vascular endothelial cells.

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Introduction: Computed tomography angiography (CTA) is used to screen patients for cerebrovascular injury after blunt trauma, but risk factors are not clearly defined in children. This modality has inherent radiation exposure. We set out to better delineate the risk factors associated with blunt cervical vascular injury (BCVI) in children with attention to the predictive value of seatbelt sign of the neck.

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Purpose: Patients and families may experience 'non-physical' harm from interactions with the healthcare system, including emotional, psychological, socio-behavioral or financial harm, some of which may be related to experiences of disrespect. We sought to use the current literature to develop a practical, improvement-oriented framework to recognize, describe and help prevent such events.

Data Sources: Searches were performed in PubMed, Embase, PsychINFO, CINAHL, Health Business Elite and ProQuest Dissertations & Theses: Global: Health & Medicine, from their inception through July 2017.

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Spontaneous arterial aneurysms of the hand are uncommon but are well-described in the adult population. In the pediatric population, however, congenital or true aneurysms of the hand are exceptionally rare. A case report and a literature review were performed for published cases of arterial aneurysms of the hand in the pediatric population.

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Article Synopsis
  • Fat tissue in obesity fuels cancer progression by providing adipose stromal cells (ASC) that support tumor growth and chemoresistance.
  • ASC were found to induce epithelial-mesenchymal transition (EMT) in prostate cancer cells, making them more migratory and resistant to chemotherapy drugs like docetaxel and cisplatin.
  • The study suggests that targeting ASC with a peptide called D-CAN can improve treatment outcomes by reducing cancer aggressiveness, showing enhanced effects when combined with cisplatin.
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Trabectedin is an FDA-approved DNA minor groove binder that has activity against translocation-associated sarcomas. Lurbinectedin is a next-generation minor groove binder with preclinical activity against myeloid leukemia cells. A dose-finding phase 1 clinical trial was performed in patients with acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS) with further assessment of safety and tolerability.

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Psychosis and synthetic cannabinoids.

Psychiatry Res

October 2018

The Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA; Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX, USA.

Synthetic cannabinoid (SC) products have gained popularity as abused drugs over the past decade in many countries. The SCs broadly impact psychological state (e.g.

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Increased complications in pediatric surgery are associated with comorbidities and not with Down syndrome itself.

J Surg Res

October 2018

Center for Surgical Trials and Evidence-based Practices (C-STEP), The University of Texas Health Sciences Center at Houston, Houston, Texas; Department of Pediatric Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, Texas. Electronic address:

Background: Down syndrome (DS) is a genetic condition associated with multiple comorbidities. While physicians may perceive that DS patients have more postoperative complications, the literature remains unclear. This study compared postoperative complications for children with and without DS who underwent abdominal and thoracic procedures.

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Planned Gamma Knife Boost After Chemoradiotherapy for Selected Sinonasal and Nasopharyngeal Cancers.

World Neurosurg

November 2018

Vivian L. Smith Department of Neurosurgery, McGovern Medical School, The University of Texas Health Sciences Center at Houston, Houston, Texas, USA; Mischer Neuroscience Institute, Memorial Hermann Hospital, Houston, Texas, USA.

Objective: To determine the feasibility of a Gamma Knife boost after intensity-modulated radiation therapy in combination with multimodal therapy in patients with nasopharyngeal carcinoma and sinonasal malignancies with skull base or cavernous sinus involvement.

Methods: Nine patients were treated with intensity-modulated radiation therapy followed by a Gamma Knife boost. In one case Gamma Knife was given as salvage treatment after resection.

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A comparison of resuscitation intensity and critical administration threshold in predicting early mortality among bleeding patients: A multicenter validation in 680 major transfusion patients.

J Trauma Acute Care Surg

October 2018

From the University of Texas Health Sciences Center and McGovern School of Medicine (D.E.M., B.A.C., J.B.H.); The Center for Translational Injury Research (B.A.C., J.B.H., E.E.F.), Houston, Texas; The University of Maryland School of Medicine (D.S.), Baltimore, Maryland; The University of Colorado School of Medicine (M.C.), Denver, Colorado; The Keck School of Medicine and Los Angeles County Hospital (K.I.), Los Angeles, California; and The Department of Biomedical Engineering (E.R.), Wake Forest University School of Medicine, Winston-Salem, North Carolina.

Background: To address deficiencies associated with the classic definition of massive transfusion (MT), critical administration threshold (CAT) and resuscitation intensity (RI) were developed to better quantify the overall severity of illness and predict the need for transfusions and early mortality. We sought to evaluate these as more appropriate replacements for MT in defining mortality risk in patients undergoing major transfusions.

Methods: Patients predicted to receive MT at 12 Level I trauma centers were randomized in the Pragmatic, Randomized Optimal Platelet and Plasma Ratios (PROPPR) trial.

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The gut microbiome and its role in health and disease have recently been major focus areas of research. In this review, we summarize the different ways in which the gut microbiome interacts with the rest of the body, with focus areas on its relationships with immunity, the brain, and injury. The gut⁻brain axis, a communication network linking together the central and enteric nervous systems, represents a key bidirectional pathway with feed-forward and feedback mechanisms.

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Survivors of cerebral aneurysm rupture are at risk for significant morbidity and neurological deficits. Much of this is related to the effects of blood in the subarachnoid space which induces an inflammatory cascade with numerous downstream consequences. Recent clinical trials have not been able to reduce the toxic effects of free hemoglobin or improve clinical outcome.

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