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Articles 1 - 30 of 67
Full-Text Articles in Medicine and Health Sciences
Serum And Urine Interferon-Inducible Protein 10, Galectin-9, And Siglec-1 As Biomarkers Of Disease Activity In Systemic Lupus Erythematosus, Şafak Mi̇ri̇oğlu, Suzan Çinar, Ömer Uludağ, Erdem Gürel, Sibel Varelci̇, Yasemin Özlük, Işın Kiliçaslan, Yasemin Yalçinkaya, Halil Yazici, Ahmet Gül, Murat İnanç, Bahar Artim Esen
Serum And Urine Interferon-Inducible Protein 10, Galectin-9, And Siglec-1 As Biomarkers Of Disease Activity In Systemic Lupus Erythematosus, Şafak Mi̇ri̇oğlu, Suzan Çinar, Ömer Uludağ, Erdem Gürel, Sibel Varelci̇, Yasemin Özlük, Işın Kiliçaslan, Yasemin Yalçinkaya, Halil Yazici, Ahmet Gül, Murat İnanç, Bahar Artim Esen
Turkish Journal of Medical Sciences
Background/aim: In this prospective study, we aimed to investigate the association of serum (s) and urine (u) IP-10, galectin-9, and SIGLEC-1 with disease activity in patients with systemic lupus erythematosus (SLE).Materials and methods: Sixty-three patients with active SLE (31 renal, 32 extrarenal) were included. Thirty patients with inactive SLE (15 renal, 15 extrarenal), 17 with renal active AAV, and 32 healthy volunteers were selected as control groups. Serum and urine IP-10, galectin-9, and SIGLEC-1 were tested using ELISA.Results: Levels of sIP-10 (p = 0.046), uIP-10 (p < 0.001), sGalectin-9 (p = 0.03), and uSIGLEC-1 (p = 0.006) were significantly higher in active SLE group compared to the inactive SLE; however, no differences were detected in the comparison of uGalectin-9 (p = 0.18) and sSIGLEC-1 (p = 0.69) between two groups. None of the biomarkers discriminated patients with active renal SLE from active extrarenal SLE. ROC analyses revealed an AUC of 0.63 (0.52–0.73) for sIP-10, 0.78 (0.68–0.86) for uIP-10, 0.64 (0.53–0.74) for sGalectin-9, and 0.68 (0.57–0.77) for uSIGLEC-1 in discriminating disease activity in SLE, which did not outperform C3 (0.75, 0.64–0.84) and C4 (0.72, 0.61–0.82). sIP-10 (p = 0.001), uIP-10 (p = 0.042), and uGalectin-9 (p = 0.009) were significantly increased in patients with active renal SLE compared to active renal AAV. sGalectin-9 (p < 0.001) and sIP-10 levels (p = 0.06) were decreased after 8 (5–22.5) months of treatment.Conclusion: sIP-10, uIP-10, sGalectin-9, and uSIGLEC-1 reflect global disease activity in SLE but do not outperform C3 and C4. sIP-10 and uIP-10 may be specific for active SLE compared to active AAV. sIP-10 and sGalectin-9 might be valuable in monitoring response after treatment.
The Association Between Plasma Igg N-Glycosylation And Neonatal Hypoxic–Ischemic Encephalopathy: A Case-Control Study, Liangao Wang, Xinxia Lu, Meng Wang, Xuezhen Zhao, Peirui Li, Haitao Zhang, Qingtang Meng, Yujing Zhang, Yingjie Wang, Wei Wang, Long Ji, Haifeng Hou, Dong Li
The Association Between Plasma Igg N-Glycosylation And Neonatal Hypoxic–Ischemic Encephalopathy: A Case-Control Study, Liangao Wang, Xinxia Lu, Meng Wang, Xuezhen Zhao, Peirui Li, Haitao Zhang, Qingtang Meng, Yujing Zhang, Yingjie Wang, Wei Wang, Long Ji, Haifeng Hou, Dong Li
Research outputs 2022 to 2026
Introduction: Hypoxic-ischemic encephalopathy (HIE) is one of severe neonatal brain injuries, resulting from inflammation and the immune response after perinatal hypoxia and ischemia. IgG N-glycosylation plays a crucial role in various inflammatory diseases through mediating the balance between anti-inflammatory and pro-inflammatory responses. This study aimed to explore the effect of IgG N-glycosylation on the development of HIE. Methods: This case-control study included 53 HIE patients and 57 control neonates. An ultrahigh-performance liquid chromatography (UPLC) method was used to determine the features of the plasma IgG N-glycans, by which 24 initial glycan peaks (GPs) were quantified. Multivariate logistic regression was used …
Long Noncoding Rnas In Pancreas Cancer: From Biomarkers To Therapeutic Targets, Esra Güzel Tanoğlu, Seyfure Adigüzel, Alpaslan Tanoğlu, Zehra Betül Aydin, Güli̇zar Hocaoğlu, Samet Ebi̇nç
Long Noncoding Rnas In Pancreas Cancer: From Biomarkers To Therapeutic Targets, Esra Güzel Tanoğlu, Seyfure Adigüzel, Alpaslan Tanoğlu, Zehra Betül Aydin, Güli̇zar Hocaoğlu, Samet Ebi̇nç
Turkish Journal of Medical Sciences
Long noncoding RNAs (lncRNAs) are noncoding RNA molecules with a heterogeneous structure consisting of 200 or more nucleotides. Because these noncoding RNAs are transcribed by RNA polymerase II, they have properties similar to messenger RNA (mRNA). Contrary to popular belief, the term "ncRNA" originated before the discovery of microRNAs. LncRNA genes are more numerous than protein-coding genes. They are the focus of current molecular research because of their pivotal roles in cancer-related processes such as cell proliferation, differentiation, and migration. The incidence of pancreatic cancer (PC) is increasing around the world and research on the molecular aspects of PC are …
Relation Of Salivary Alpha-Amylase (Saa) Concentration To Fatigue Biomarkers In Palm Oil Office Workers In Jambi Province: Preliminary Study, David Kusmawan, Willia Novita Eka Rini, Wahyu Indah Dewi Aurora
Relation Of Salivary Alpha-Amylase (Saa) Concentration To Fatigue Biomarkers In Palm Oil Office Workers In Jambi Province: Preliminary Study, David Kusmawan, Willia Novita Eka Rini, Wahyu Indah Dewi Aurora
Makara Journal of Science
The salivary α-amylase (sAA) concentration has a potential role as a biological indicator of occupational fatigue. This study aimed to determine the levels of sAA and its influencing factors. This research used a cross-sectional design with a sample of 40 office staff respondents at PT. X (Persero). Mental workload (MWL), sleep quality, and occupational fatigue were measured using the NASA-Total Load Index (TLX), Pittsburgh Sleep Quality Index, and Industrial Fatigue Research Committee, respectively. Meanwhile, the basic sAA levels was measured through the sandwich enzyme-linked immunosorbent assay method using the Bioenzy® Kit Assay. Descriptive analysis showed that the workers were mostly …
Microrna (Mirna) Complexity In Alzheimer’S Disease (Ad), Walter J. Lukiw
Microrna (Mirna) Complexity In Alzheimer’S Disease (Ad), Walter J. Lukiw
School of Medicine Faculty Publications
AD is a complex, progressive, age-related neurodegenerative disorder representing the most common cause of senile dementia and neurological dysfunction in our elderly domestic population. The widely observed heterogeneity of AD is a reflection of the complexity of the AD process itself and the altered molecular-genetic mechanisms operating in the diseased human brain and CNS. One of the key players in this complex regulation of gene expression in human pathological neurobiology are microRNAs (miRNAs) that, through their actions, shape the transcriptome of brain cells that normally associate with very high rates of genetic activity, gene transcription and messenger RNA (mRNA) generation. …
Refinement Of Saliva Microrna Biomarkers For Sports-Related Concussion, Steven D. Hicks, Cayce Onks, Raymond Y. Kim, Kevin J. Kim, Kevin J. Zhen, Jayson Loeffert, Andrea C. Loeffert, Robert P. Olympia, Gregory Fedorchak, Samantha Devita, Zofia Gagnon, Callan Mcloughlin, Miguel M. Madeira, Scott L. Zuckerman, Timothy Lee, Matthew Heller, Chuck Monteith, Thomas R. Campbell, Christopher Neville, Elise Fengler, Michael N. Dretsch
Refinement Of Saliva Microrna Biomarkers For Sports-Related Concussion, Steven D. Hicks, Cayce Onks, Raymond Y. Kim, Kevin J. Kim, Kevin J. Zhen, Jayson Loeffert, Andrea C. Loeffert, Robert P. Olympia, Gregory Fedorchak, Samantha Devita, Zofia Gagnon, Callan Mcloughlin, Miguel M. Madeira, Scott L. Zuckerman, Timothy Lee, Matthew Heller, Chuck Monteith, Thomas R. Campbell, Christopher Neville, Elise Fengler, Michael N. Dretsch
Rehabilitation Sciences Faculty Publications
Purpose
Recognizing sport-related concussion (SRC) is challenging and relies heavily on subjective symptom reports. An objective, biological marker could improve recognition and understanding of SRC. There is emerging evidence that salivary micro-ribonucleic acids (miRNAs) may serve as biomarkers of concussion; however, it remains unclear whether concussion-related miRNAs are impacted by exercise. We sought to determine whether 40 miRNAs previously implicated in concussion pathophysiology were affected by participation in a variety of contact and non-contact sports. Our goal was to refine a miRNA-based tool capable of identifying athletes with SRC without the confounding effects of exercise.
Methods
This case-control study harmonized …
Upregulation Of Cell Surface Glycoproteins In Correlation With Kshv Lana In The Kaposi Sarcoma Tumor Microenvironment, Sara R. Privatt, Owen Ngalamika, Jianshui Zhang, Qinsheng Li, Charles Wood, John T. West
Upregulation Of Cell Surface Glycoproteins In Correlation With Kshv Lana In The Kaposi Sarcoma Tumor Microenvironment, Sara R. Privatt, Owen Ngalamika, Jianshui Zhang, Qinsheng Li, Charles Wood, John T. West
School of Medicine Faculty Publications
HIV-associated epidemic Kaposi sarcoma (EpKS) remains one of the most prevalent cancers in sub-Saharan Africa despite the widespread uptake of anti-retroviral therapy and HIV-1 suppression. In an effort to define potential therapeutic targets against KS tumors, we analyzed previously published KS bulk tumor transcriptomics to identify cell surface biomarkers. In addition to upregulated gene expression (>6-fold) in the EpKS tumor microenvironment, biomarkers were selected for correlation with KSHV latency-associated nuclear antigen (LANA) expression. The cell surface glycoprotein genes identified were KDR, FLT4, ADAM12, UNC5A, ZP2, and OX40, as well as the endothelial lineage determinants Prox-1 and CD34. Each protein …
Editorial: Hallmark Of Cancer: Reprogramming Of Cellular Metabolism, Baljinder Kaur, Yahya Sohrabi, Abhinav Achreja, Michael P. Lisanti, Ubaldo Emilio Martinez-Outshoorn
Editorial: Hallmark Of Cancer: Reprogramming Of Cellular Metabolism, Baljinder Kaur, Yahya Sohrabi, Abhinav Achreja, Michael P. Lisanti, Ubaldo Emilio Martinez-Outshoorn
Department of Medical Oncology Faculty Papers
No abstract provided.
Bacteria Commonly Associated With Central Nervous System Catheter Infections Elicit Distinct Csf Proteome Signatures, Matthew K. Beaver, Dragana Noe, Ishwor Thapa, Hesham Ali, Jessica Snowden, Tammy Kielian, Gwenn Skar
Bacteria Commonly Associated With Central Nervous System Catheter Infections Elicit Distinct Csf Proteome Signatures, Matthew K. Beaver, Dragana Noe, Ishwor Thapa, Hesham Ali, Jessica Snowden, Tammy Kielian, Gwenn Skar
Journal Articles: Pathology and Microbiology
Background: Cerebrospinal fluid (CSF) shunt infection is a common and devastating complication of the treatment of hydrocephalus. Timely and accurate diagnosis is essential as these infections can lead to long-term neurologic consequences including seizures, decreased intelligence quotient (IQ) and impaired school performance in children. Currently the diagnosis of shunt infection relies on bacterial culture; however, culture is not always accurate since these infections are frequently caused by bacteria capable of forming biofilms, such as Staphylococcus epidermidis, Cutibacterium acnes, and Pseudomonas aeruginosa resulting in few planktonic bacteria detectable in the CSF. Therefore, there is a critical need to identify a …
Decreased Circulating Microrna-21 And Microrna-143 Are Associated To Pulmonary Hypertension, Zekeri̇ya Düzgün, Lati̇fe Meral Kayikçioğlu, Çağdaş Aktan, Buşra Bara, Fatma Zuhal Eroğlu, Burcu Yağmur, Vi̇ldan Bozok Çeti̇ntaş, Meli̇ke Bayindir, Sanem Nalbantgi̇l, Asli Teti̇k Vardarli
Decreased Circulating Microrna-21 And Microrna-143 Are Associated To Pulmonary Hypertension, Zekeri̇ya Düzgün, Lati̇fe Meral Kayikçioğlu, Çağdaş Aktan, Buşra Bara, Fatma Zuhal Eroğlu, Burcu Yağmur, Vi̇ldan Bozok Çeti̇ntaş, Meli̇ke Bayindir, Sanem Nalbantgi̇l, Asli Teti̇k Vardarli
Turkish Journal of Medical Sciences
Background/aim: Pulmonary arterial hypertension (PAH) is characterized by maladaptation of pulmonary vasculature which is leading to right ventricular hypertrophy and heart failure. miRNAs play a crucial role in the regulation of many diseases such as viral infection, cancer, cardiovascular diseases, and pulmonary hypertension (PH). In this study, we aimed to investigate the expression pattern of eight human plasma miRNAs (hsa-miR-21-3p, hsa-miR-143- 3p, hsa-miR-138-5p, hsa-miR-145-3p, hsa-miR-190a, hsa-miR-204-3p, hsamiR-206, hsa-miR-210-3p) in mild-to-severe PH patients and healthy controls. Materials and methods: miRNAs were extracted from the peripheral plasma of the PH patients (n: 44) and healthy individuals (n: 30) by using the miRNA …
Steap1-4 (Six-Transmembrane Epithelial Antigen Of The Prostate 1-4) And Their Clinical Implications For Prostate Cancer, Michael Xu, Latese Evans, Candice L Bizzaro, Fabio Quaglia, Cecilia E Verrillo, Li Li, Julia Stieglmaier, M J Schiewer, Lucia R Languino, William Kevin Kelly
Steap1-4 (Six-Transmembrane Epithelial Antigen Of The Prostate 1-4) And Their Clinical Implications For Prostate Cancer, Michael Xu, Latese Evans, Candice L Bizzaro, Fabio Quaglia, Cecilia E Verrillo, Li Li, Julia Stieglmaier, M J Schiewer, Lucia R Languino, William Kevin Kelly
Department of Urology Faculty Papers
Six-Transmembrane Epithelial Antigen of the Prostate 1-4 (STEAP1-4) compose a family of metalloproteinases involved in iron and copper homeostasis and other cellular processes. Thus far, five homologs are known: STEAP1, STEAP1B, STEAP2, STEAP3, and STEAP4. In prostate cancer, STEAP1, STEAP2, and STEAP4 are overexpressed, while STEAP3 expression is downregulated. Although the metalloreductase activities of STEAP1-4 are well documented, their other biological functions are not. Furthermore, the properties and expression levels of STEAP heterotrimers, homotrimers, heterodimers, and homodimers are not well understood. Nevertheless, studies over the last few decades have provided sufficient impetus to investigate STEAP1-4 as potential biomarkers and therapeutic …
Metabolomic Approach For Earlier Diagnosis Of Cisplatin-Induced Acute Kidney Injury, Steven Xiu, James (Yong Jin) Lim
Metabolomic Approach For Earlier Diagnosis Of Cisplatin-Induced Acute Kidney Injury, Steven Xiu, James (Yong Jin) Lim
Undergraduate Student Research Internships Conference
Cisplatin is a chemotherapeutic agent complicated by its dose-limiting nephrotoxicity. This commonly presents as acute kidney injury (AKI), which is characterized by a reversible decline in kidney function. AKI is currently diagnosed by increased serum creatinine (SCr) levels, but this rise in SCr is delayed limiting diagnosis to when significant renal damage has already occurred. Currently, there are no known biomarkers capable of predicting or diagnosing early-stage cisplatin-induced AKI. Metabolomics was used to identify novel predictive/early diagnostic biomarkers for cisplatin-induced AKI. We hypothesized that differences in metabolic profiles will be able to predict and/or diagnose cisplatin-induced AKI prior to rise …
Bhlhe40: Required For Tumor Microenvironment Remodeling And Immune Checkpoint Therapy Efficacy, Avery Salmon, Avery J. Salmon
Bhlhe40: Required For Tumor Microenvironment Remodeling And Immune Checkpoint Therapy Efficacy, Avery Salmon, Avery J. Salmon
Dissertations & Theses (Open Access)
Advancements in immunotherapy treatments have become essential in the treatment of various cancers, such as those with high tumor burden like melanoma(Brahmer et al., 2012; Hodi et al., 2010). Immunotherapy, specifically immune checkpoint therapy (ICT) provides antagonist effect on specific immune checkpoints to control effector T cell functions(Pardoll, 2012). This therapy allows for the modulation of anti-tumor responses through the use of monoclonal antibodies, such as anti-CTLA-4 or anti-PD-1 that block the receptors from binding with their ligands, thus allowing for CD4+ and CD8+ T cell priming and activation(Wei et al., 2017). However, the required epigenetic and transcriptional …
Serum Alpha-1-Antitrypsin Level In The Severity Prognosis Of Systemic Lupus Erythematosus Patients: Systematic Exploration Of Novel Biomarker, Supaporn Khamchun Dr., Chunyanuch Thakaeng Miss, Rattikan Na Lampang Miss
Serum Alpha-1-Antitrypsin Level In The Severity Prognosis Of Systemic Lupus Erythematosus Patients: Systematic Exploration Of Novel Biomarker, Supaporn Khamchun Dr., Chunyanuch Thakaeng Miss, Rattikan Na Lampang Miss
BioMedicine
Background: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that affecting multi-organs injury and failure. The rapid, precision, and specificity prognosis by laboratory investigations could prevent active stage and severity in the disease.
Aims: To systematically explore and investigate the candidate serum protein for development into the novel biomarker for severity prognosis of SLE patients.
Methods: The proteins previously reported in abnormal level in serum/plasma of SLE patients since 2014-2020 were comprehensive collected. Thereafter, these serum proteins that found in other diseases were excluded. The association with molecules related to SLE severity of these candidate proteins were then …
Identifying Gene Network Patterns And Associated Cellular Immune Responses In Children With Or Without Nut Allergy, Khui Hung Lee, Anthony Bosco, Michael O'Sullivan, Yong Song, Jessica Metcalfe, Kan Yu, Benjamin J. Mullins, Richard Loh, Guicheng Zhang
Identifying Gene Network Patterns And Associated Cellular Immune Responses In Children With Or Without Nut Allergy, Khui Hung Lee, Anthony Bosco, Michael O'Sullivan, Yong Song, Jessica Metcalfe, Kan Yu, Benjamin J. Mullins, Richard Loh, Guicheng Zhang
Research outputs 2022 to 2026
Background: Although evidence suggests that the immune system plays a key role in the pathophysiology of nut allergy, the precise immunological mechanisms of nut allergy have not been systematically investigated. The aim of the present study was to identify gene network patterns and associated cellular immune responses in children with or without nut allergy. Methods: Transcriptome profiling of whole blood cells was compared between children with and without nut allergy. Three genes were selected to be validated on a larger cohort of samples (n = 86) by reverse transcription-polymerase chain reactions (RT-qPCR). The composition of immune cells was inferred from …
A Combination Of Q-Tof Lc/Ms And Lc-Ms/Ms Based Metabolomics In Pediatric-Onset Multiple Sclerosis Demonstrates Potential Biomarkers For Unclassified Patients, İsmai̇l Solmaz, Ozan Kaplan, Mustafa Çelebi̇er, İnci̇lay Lay, Fatma Banu Anlar
A Combination Of Q-Tof Lc/Ms And Lc-Ms/Ms Based Metabolomics In Pediatric-Onset Multiple Sclerosis Demonstrates Potential Biomarkers For Unclassified Patients, İsmai̇l Solmaz, Ozan Kaplan, Mustafa Çelebi̇er, İnci̇lay Lay, Fatma Banu Anlar
Turkish Journal of Medical Sciences
Background/aim: Metabolomics has the potential to provide putative biomarkers and insights into the pathophysiology and diagnosis of pediatric multiple sclerosis (pMS), which is an inflammatory demyelinating disorder of the central nervous system with a broad spectrum of clinical manifestations. In this study, we aimed to investigate serum metabolomics in pMS to help elucidate the pathophysiology of MS. Materials and methods: An untargeted approach was applied using the quadrupole time-of-flight liquid chromatography/mass spectrometry (Q-TOF LC/MS) method to study plasma metabolites in patients with pMS (n = 33), patients with unclassified central nervous system demyelinating diseases (n = 6), and age-matched healthy …
Circulating Mir-200c And Mir-33a May Be Used As Biomarkers For Predicting High Fructose Corn Syrup-Induced Fatty Liver And Vitamin D Supplementation-Related Liver Changes, Alpaslan Tanoğlu, Eylem Çağiltay, Esra Güzel Tanoğlu, Ayli̇n Gökhan, Cansin Şi̇ri̇n, Türker Çavuşoğlu, Recep Soner Yeşi̇lbaş
Circulating Mir-200c And Mir-33a May Be Used As Biomarkers For Predicting High Fructose Corn Syrup-Induced Fatty Liver And Vitamin D Supplementation-Related Liver Changes, Alpaslan Tanoğlu, Eylem Çağiltay, Esra Güzel Tanoğlu, Ayli̇n Gökhan, Cansin Şi̇ri̇n, Türker Çavuşoğlu, Recep Soner Yeşi̇lbaş
Turkish Journal of Medical Sciences
Background/aim: Nonalcoholic fatty liver is one of the most common forms of liver disease and role of microRNAs (miRNAs) on this illness is currently unclear. It was aimed to evaluate the predictive role of circulating miR-33a and mir-200c on high fructose corn syrup (HFCS)-induced fatty liver and vitamin D3 supplementation-related hepatic changes. Materials and methods: Twenty-four rats were randomized into three groups: sham (n = 8), experimental fatty liver group (n = 8), and fatty liver + vitamin D3 supplementation group (n = 8). In the treatment group, 10 µg/kg/week of vitamin D3 was given by orogastric tube weekly for …
Could Lactate Clearance Be A Marker Of Mortality In Pediatric Intensive Care Unit?, Özlem Saraç Sandal, Gökhan Ceylan, Ferhat Sari, Gülhan Atakul, Mustafa Çolak, Sevgi̇ Topal, Eki̇n Soydan, Ünal Utku Karaarslan, Hasan Ağin
Could Lactate Clearance Be A Marker Of Mortality In Pediatric Intensive Care Unit?, Özlem Saraç Sandal, Gökhan Ceylan, Ferhat Sari, Gülhan Atakul, Mustafa Çolak, Sevgi̇ Topal, Eki̇n Soydan, Ünal Utku Karaarslan, Hasan Ağin
Turkish Journal of Medical Sciences
Background/aim: Hyperlactatemia is a common finding in critically ill patients and has significant prognostic implications. However, a single lactate measurement has not been correlated to mortality consistently. In this study, we aimed to correlate the clinical efficacy of lactate clearance for the prediction of mortality in pediatric intensive care unit patients. Materials and methods: This retrospective observational study was performed in the pediatric intensive care unit in patients with lactate level >3 mmol/lt. Initial, 6th h, and 24th h lactate levels were recorded and lactate clearance was calculated using these values (lactate level at admission - level 6 h later …
Theta Burst Brain Stimulation In Painful Diabetic Neuropathy Patients: Investigating Neural Mechanisms, Bhushan Thakkar
Theta Burst Brain Stimulation In Painful Diabetic Neuropathy Patients: Investigating Neural Mechanisms, Bhushan Thakkar
Theses and Dissertations
Chronic pain (CP) is a significant contributor to disability and disease burden globally. In 2019, approximately 50.2 million adults (20.4% of the US population) experienced chronic pain, contributing to $560-635 billion in direct medical costs. In addition, the worldwide prevalence of diabetes mellitus has reached epidemic proportions and is set to increase to 629 million by 2045. Almost 50% of patients with diabetes present with diabetic neuropathy (DN), and one in five patients with diabetes presents with painful DN (pDN) which is the most common cause of neuropathic pain (NP) in the US. Symptomatic treatment is the mainstay of management …
Putative Concussion Biomarkers Identified In Adolescent Male Athletes Using Targeted Plasma Proteomics, Michael R. Miller, Michael Robinson, Lisa Fischer, Alicia Dibattista, Maitray A. Patel, Mark Daley, Robert Bartha, Gregory A. Dekaban, Ravi S. Menon, J. Kevin Shoemaker, Eleftherios P. Diamandis, Ioannis Prassas, Douglas D. Fraser
Putative Concussion Biomarkers Identified In Adolescent Male Athletes Using Targeted Plasma Proteomics, Michael R. Miller, Michael Robinson, Lisa Fischer, Alicia Dibattista, Maitray A. Patel, Mark Daley, Robert Bartha, Gregory A. Dekaban, Ravi S. Menon, J. Kevin Shoemaker, Eleftherios P. Diamandis, Ioannis Prassas, Douglas D. Fraser
Medical Biophysics Publications
Sport concussions can be difficult to diagnose and if missed, they can expose athletes to greater injury risk and long-lasting neurological disabilities. Discovery of objective biomarkers to aid concussion diagnosis is critical to protecting athlete brain health. To this end, we performed targeted proteomics on plasma obtained from adolescent athletes suffering a sports concussion. A total of 11 concussed male athletes were enrolled at our academic Sport Medicine Concussion Clinic, as well as 24 sex-, age- and activity-matched healthy control subjects. Clinical evaluation was performed and blood was drawn within 72 h of injury. Proximity extension assays were performed for …
Regional Brain And Spinal Cord Volume Loss In Spinocerebellar Ataxia Type 3, Jennifer Faber, Tamara Schaprian, Koyak Berkan, Kathrin Reetz, Marcondes Cavalcante França, Thiago Junqueira Ribeiro De Rezende, Jiang Hong, Weihua Liao, Bart Van De Warrenburg, Judith Van Gaalen, Alexandra Durr, Fanny Mochel, Paola Giunti, Hector Garcia-Moreno, Ludger Schoels, Holger Hengel, Matthis Synofzik, Benjamin Bender, Gulin Oz, James Joers, Jereon J. De Vries, Jun Suk Kang, Dagmar Timmann-Braun, Heike Jacobi, Jon Infante, Richard Joules, Sandro Romanzetti, Jorn Diedrichsen, Matthias Schmid, Robin Wolz, Thomas Klockgether
Regional Brain And Spinal Cord Volume Loss In Spinocerebellar Ataxia Type 3, Jennifer Faber, Tamara Schaprian, Koyak Berkan, Kathrin Reetz, Marcondes Cavalcante França, Thiago Junqueira Ribeiro De Rezende, Jiang Hong, Weihua Liao, Bart Van De Warrenburg, Judith Van Gaalen, Alexandra Durr, Fanny Mochel, Paola Giunti, Hector Garcia-Moreno, Ludger Schoels, Holger Hengel, Matthis Synofzik, Benjamin Bender, Gulin Oz, James Joers, Jereon J. De Vries, Jun Suk Kang, Dagmar Timmann-Braun, Heike Jacobi, Jon Infante, Richard Joules, Sandro Romanzetti, Jorn Diedrichsen, Matthias Schmid, Robin Wolz, Thomas Klockgether
Brain and Mind Institute Researchers' Publications
Background: Given that new therapeutic options for spinocerebellar ataxias are on the horizon, there is a need for markers that reflect disease-related alterations, in particular, in the preataxic stage, in which clinical scales are lacking sensitivity. Objective: The objective of this study was to quantify regional brain volumes and upper cervical spinal cord areas in spinocerebellar ataxia type 3 in vivo across the entire time course of the disease. Methods: We applied a brain segmentation approach that included a lobular subsegmentation of the cerebellum to magnetic resonance images of 210 ataxic and 48 preataxic spinocerebellar ataxia type 3 mutation carriers …
Micrornas As Biomarkers For Predicting Complications Following Aneurysmal Subarachnoid Hemorrhage, Wang-Xia Wang, Joe E. Springer, Kevin W. Hatton
Micrornas As Biomarkers For Predicting Complications Following Aneurysmal Subarachnoid Hemorrhage, Wang-Xia Wang, Joe E. Springer, Kevin W. Hatton
Sanders-Brown Center on Aging Faculty Publications
Aneurysmal subarachnoid hemorrhage (aSAH) is a high mortality hemorrhagic stroke that affects nearly 30,000 patients annually in the United States. Approximately 30% of aSAH patients die during initial hospitalization and those who survive often carry poor prognosis with one in five having permanent physical and/or cognitive disabilities. The poor outcome of aSAH can be the result of the initial catastrophic event or due to the many acute or delayed neurological complications, such as cerebral ischemia, hydrocephalus, and re-bleeding. Unfortunately, no effective biomarker exists to predict or diagnose these complications at a clinically relevant time point when neurologic injury can be …
Gene Expression Profiling Of Mapk Pathway Inhibitor Resistance In Cutaneous Melanoma: Can Bioinformatics Be Used To Select Better Melanoma Cell Lines?, Stephen Luebker
Gene Expression Profiling Of Mapk Pathway Inhibitor Resistance In Cutaneous Melanoma: Can Bioinformatics Be Used To Select Better Melanoma Cell Lines?, Stephen Luebker
Theses & Dissertations
Melanoma is the deadliest form of skin cancer, and incidence has continued to increase. Half of all melanomas have a BRAF V600E mutation and respond to MAPK pathway inhibitors, including BRAF inhibitor therapy or BRAF/MEK inhibitor combination therapy, but nearly all patients develop treatment resistance. Melanoma cell lines produce variable results as models of MAPK pathway inhibitor resistance. To better understand how the genomic similarity of a melanoma cell line to patient-derived tumors affects resistance mechanisms, differences in DNA mutations and copy-number alterations were compared between melanoma cell lines profiled by the Cancer Cell Line Encyclopedia and cutaneous melanoma tumors …
A Highly Predictive Microrna Panel For Determining Delayed Cerebral Vasospasm Risk Following Aneurysmal Subarachnoid Hemorrhage, Wang-Xia Wang, Joe E. Springer, Kevin Xie, David W. Fardo, Kevin W. Hatton
A Highly Predictive Microrna Panel For Determining Delayed Cerebral Vasospasm Risk Following Aneurysmal Subarachnoid Hemorrhage, Wang-Xia Wang, Joe E. Springer, Kevin Xie, David W. Fardo, Kevin W. Hatton
Sanders-Brown Center on Aging Faculty Publications
Approximately one-third of aneurysmal subarachnoid hemorrhage (aSAH) patients develop delayed cerebral vasospasm (DCV) 3–10 days after aneurysm rupture resulting in additional, permanent neurologic disability. Currently, no validated biomarker is available to determine the risk of DCV in aSAH patients. MicroRNAs (miRNAs) have been implicated in virtually all human diseases, including aSAH, and are found in extracellular biofluids including plasma and cerebrospinal fluid (CSF). We used a custom designed TaqMan Low Density Array miRNA panel to examine the levels of 47 selected brain and vasculature injury related miRNAs in CSF and plasma specimens collected from 31 patients with or without DCV …
The Immune Microenvironment And Relation To Outcome In Patients With Advanced Breast Cancer Treated With Docetaxel With Or Without Gemcitabine, Elisabeth S. Stovgaard, Karama Asleh, Nazia Riaz, Samuel Leung, Dongxia Gao, Lise B. Nielsen, Anne-Vibeke Lænkholm, Eva Balslev, Maj-Britt Jensen, Dorte Nielsen, Torsten O. Nielsen
The Immune Microenvironment And Relation To Outcome In Patients With Advanced Breast Cancer Treated With Docetaxel With Or Without Gemcitabine, Elisabeth S. Stovgaard, Karama Asleh, Nazia Riaz, Samuel Leung, Dongxia Gao, Lise B. Nielsen, Anne-Vibeke Lænkholm, Eva Balslev, Maj-Britt Jensen, Dorte Nielsen, Torsten O. Nielsen
Centre for Regenerative Medicine & Stem Cell Research
Preclinical studies suggest that some effects of conventional chemotherapy, and in particular, gemcitabine, are mediated through enhanced antitumor immune responses. The objective of this study was to use material from a randomized clinical trial to evaluate whether patients with preexisting immune infiltrates responded better to treatment with gemcitabine + docetaxel (GD) compared to docetaxel alone. Formalin fixed, paraffin-embedded breast cancer tissues from SBG0102 phase 3 trial patients randomly assigned to treatment with GD or docetaxel were used. Immunohistochemical staining for CD8, FOXP3, LAG3, PD-1, PD-L1 and CD163 was performed. Tumor infiltrating lymphocytes (TILs) and tumor associated macrophages were evaluated. Prespecified …
Water Exchange Rate Across The Blood-Brain Barrier Is Associated With Csf Amyloid-Β 42 In Healthy Older Adults, Brian T. Gold, Xingfeng Shao, Tiffany L. Sudduth, Gregory A. Jicha, Donna M. Wilcock, Elayna R. Seago, Danny J. J. Wang
Water Exchange Rate Across The Blood-Brain Barrier Is Associated With Csf Amyloid-Β 42 In Healthy Older Adults, Brian T. Gold, Xingfeng Shao, Tiffany L. Sudduth, Gregory A. Jicha, Donna M. Wilcock, Elayna R. Seago, Danny J. J. Wang
Sanders-Brown Center on Aging Faculty Publications
INTRODUCTION: We tested if water exchange across the blood-brain barrier (BBB), estimated with a noninvasive magnetic resonance imaging (MRI) technique, is associated with cerebrospinal fluid (CSF) biomarkers of Alzheimer's disease (AD) and neuropsychological function.
METHODS: Forty cognitively normal older adults (67–86 years old) were scanned with diffusion‐prepared, arterial spin labeling (DP‐ASL), which estimates water exchange rate across the BBB (kw). Participants also underwent CSF draw and neuropsychological testing. Multiple linear regression models were run with kw as a predictor of CSF concentrations and neuropsychological scores.
RESULTS: In multiple brain regions, BBB kw was positively associated with CSF amyloid …
Investigation Of The Expression Levels Of Cpeb4, Apc, Trip13, Eif2s3, Eif4a1, Ifng,Pik3ca And Ctnnb1 Genes In Different Stage Colorectal Tumors, Zafer Söylemez, Evri̇m Suna Arikan, Mustafa Solak, Yüksel Arikan, Çi̇ğdem Tokyol, Hüseyi̇n Şeker
Investigation Of The Expression Levels Of Cpeb4, Apc, Trip13, Eif2s3, Eif4a1, Ifng,Pik3ca And Ctnnb1 Genes In Different Stage Colorectal Tumors, Zafer Söylemez, Evri̇m Suna Arikan, Mustafa Solak, Yüksel Arikan, Çi̇ğdem Tokyol, Hüseyi̇n Şeker
Turkish Journal of Medical Sciences
Background/aim: The aim of the study is to assess expression levels of CPEB4, APC, TRIP13, EIF2S3, EIF4A1, IFNg, PIK3CA and CTNNB1 genes in tumors and peripheral bloods of colorectal cancer patients in stages I-IV. Materials and methods: The mRNA levels of the genes were determined in tumor tissues and peripheral blood samples of 45 colorectal cancer patients and colon tissues and peripheral blood samples of 5 healthy individuals. Real-time polymerase chain reaction method was used for the analysis. Results: The mRNA level of the CPEB4 gene was significantly downregulated in colorectal tumor tissues and was upregulated in the peripheral blood …
Evaluation Of Serum Cxc Chemokine Ligand 16 (Cxcl16) As A Novel Inflammatory Biomarker Or Familial Mediterranean Fever Disease, Taner Akyol, Tolga Düzenli̇, Alpaslan Tanoğlu
Evaluation Of Serum Cxc Chemokine Ligand 16 (Cxcl16) As A Novel Inflammatory Biomarker Or Familial Mediterranean Fever Disease, Taner Akyol, Tolga Düzenli̇, Alpaslan Tanoğlu
Turkish Journal of Medical Sciences
Background/aim: Familial Mediterranean fever (FMF) is a disease that is mainly diagnosed with clinical features. Several wellknown inflammatory markers increase in FMF. However, there is still a need for diagnostic tests for specifying FMF and monitoring inflammatory activity. CXCL16 is a chemokine produced by inflammatory cells that demonstrate efficacy in the acute phase response. In this study, we aimed to investigate the relationship between CXCL16 levels and FMF disease and to evaluate CXCL16 levels as a novel biomarker for FMF. Materials and methods: Fifty-three male patients diagnosed with FMF and sixty healthy individuals were included in this crosssectional study. Blood …
Peripheral Blood Soluble Elastin And Elastase As Auxiliary Diagnostic Indicators Forcoronary Artery Ectasia, Ruifeng Liu, Qianqian Sheng, Siwen Liang, Huiqiang Zhao
Peripheral Blood Soluble Elastin And Elastase As Auxiliary Diagnostic Indicators Forcoronary Artery Ectasia, Ruifeng Liu, Qianqian Sheng, Siwen Liang, Huiqiang Zhao
Turkish Journal of Medical Sciences
Background/aim: Damage to elastin fibres in coronary media might lead to coronary artery ectasia (CAE). This study evaluated whether CAE can be distinguished by detecting circulating soluble elastin (s-elastin), which is a degradation product of elastin fibres, and elastase, which is the main enzyme of elastin fibres. Materials and methods: Fifty-eight patients with CAE, 58 with coronary heart disease (CHD) and 61 with relatively normal coronary arteries, were included. Circulating s-elastin and elastase were measured, and receiver operating characteristic curves were used to demonstrate their respective optimal cut-off values for predicting CAE. Results: The concentrations of s-elastin and elastase were …
Investigating Differential Mirna Expression Profiling Using Serum And Urine Specimensfor Detecting Potential Biomarkers For Early Prostate Cancer Diagnosis, Sevde Hasanoğlu, Beyza Servet Göncü, Emrah Yücesan, Sezen Atasoy, Yunus Kayali, Nur Özten Kandaş
Investigating Differential Mirna Expression Profiling Using Serum And Urine Specimensfor Detecting Potential Biomarkers For Early Prostate Cancer Diagnosis, Sevde Hasanoğlu, Beyza Servet Göncü, Emrah Yücesan, Sezen Atasoy, Yunus Kayali, Nur Özten Kandaş
Turkish Journal of Medical Sciences
Background/aim: MicroRNAs (miRNAs) are known up-to-date candidate biomarkers for several diseases. In addition, obtaining miRNA from different body fluids such as serum, plasma, saliva, and urine is relatively easy to handle. Herein we aimed to detect miRNAs as biomarkers for early stage prostate cancer (PC). For this purpose, we used urine and serum samples to detect any significant differences in miRNA profiles between patients and healthy controls. Materials and methods: Total ribonucleic acid (RNA) in urine and serum samples were isolated from eight untreated PC patients, thirty healthy individuals were screened for miRNA profile, and candidate miRNAs were validated. Whole …