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Journal of Biomarkers

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https://www.readbyqxmd.com/read/28781906/cystatin-c-as-a-marker-for-renal-impairment-in-preeclampsia
#1
Apeksha Niraula, Madhab Lamsal, Nirmal Baral, Shankar Majhi, Seraj Ahmed Khan, Pritha Basnet, Kashyap Dahal
Preeclampsia is a devastating pregnancy-associated disorder characterized by the onset of hypertension, proteinuria, and edema with limited plausible pathophysiology known. Cystatin-C, a novel marker for the detection of renal impairment, is increased in preeclampsia at an early stage. This study was aimed to evaluate the diagnostic efficiency of Cystatin-C as an early marker of renal function in preeclampsia comparing it to the traditional renal markers. A hospital based comparative cross-sectional study was performed on 104 women (52 diagnosed cases of preeclampsia and 52 healthy pregnant women)...
2017: Journal of Biomarkers
https://www.readbyqxmd.com/read/28656120/the-circadian-rhythm-of-copeptin-the-c-terminal-portion-of-arginine-vasopressin
#2
Svetlana Beglinger, Jürgen Drewe, Mirjam Christ-Crain
BACKGROUND: Several studies have investigated copeptin as a prognostic marker of different acute diseases and as a diagnostic marker in disorders of water and salt homeostasis. However, no data of the normal circadian rhythm of copeptin in healthy subjects are available. AIM: To investigate the circadian rhythm of copeptin in healthy subjects under standardized conditions. METHODS: 19 healthy volunteers aged 18 to 53 years, male and female, were studied in a prospective observational study...
2017: Journal of Biomarkers
https://www.readbyqxmd.com/read/28484663/body-mass-index-haemoglobin-and-total-lymphocyte-count-as-a-surrogate-for-cd4-count-in-resource-limited-settings
#3
Louis Boafo Kwantwi, Bismark Kwame Tunu, Daniel Boateng, Dan Yedu Quansah
Background. In view of the lack of evidence on the possibility of an economically viable, easy, and readily available biomarker to substitute the traditional role of CD4 counts in HIV disease progression, this study seeks to investigate the potential use of body mass index (BMI), haemoglobin (Hb), and total lymphocyte count (TLC) as surrogate biomarkers for monitoring the disease. Methods. This cross-sectional study was undertaken at the antiretroviral clinic (ART) of the Bomso Hospital, Kumasi, Ghana. We recruited 384 individuals who were 18 years or older and confirmed HIV seropositive patients...
2017: Journal of Biomarkers
https://www.readbyqxmd.com/read/27610265/the-diagnostic-value-of-serum-c-reactive-protein-for-identifying-pneumonia-in-hospitalized-patients-with-acute-respiratory-symptoms
#4
Agustín Ruiz-González, Laia Utrillo, Silvia Bielsa, Miquel Falguera, José M Porcel
Background. The clinical diagnosis of pneumonia is sometimes difficult since chest radiographs are often indeterminate. In this study, we aimed to assess whether serum C-reactive protein (CRP) could assist in identifying patients with pneumonia. Methods. For one winter, all consecutive patients with acute respiratory symptoms admitted to the emergency ward of a single center were prospectively enrolled. In addition to chest radiographs, basic laboratory tests, and microbiology, serum levels of CRP were measured at entry...
2016: Journal of Biomarkers
https://www.readbyqxmd.com/read/27446629/the-predictive-role-of-inflammatory-biomarkers-in-atrial-fibrillation-as-seen-through-neutrophil-lymphocyte-ratio-mirror
#5
REVIEW
Feliciano Chanana Paquissi
Atrial fibrillation (AF) is the most common arrhythmia and is responsible for significant disease burden worldwide. Current evidence has suggested that systemic inflammatory response plays a crucial role in the initiation, maintenance, and progression of AF. So, recent efforts have been directed in search of measurable inflammatory biomarkers as additional tools in severity and prognosis assessment of AF. A simple, and easily obtainable, inflammatory marker is the neutrophil-lymphocyte ratio (NLR), which has shown good performance in preliminary studies as a potential prognostic biomarker in patients with AF...
2016: Journal of Biomarkers
https://www.readbyqxmd.com/read/27433370/determination-of-urinary-neopterin-creatinine-ratio-to-distinguish-active-tuberculosis-from-latent-mycobacterium-tuberculosis-infection
#6
Michael Eisenhut, Dougal S Hargreaves, Anne Scott, David Housley, Andrew Walters, Rohinton Mulla
Background. Biomarkers to distinguish latent from active Mycobacterium (M.) tuberculosis infection in clinical practice are lacking. The urinary neopterin/creatinine ratio can quantify the systemic interferon-gamma effect in patients with M. tuberculosis infection. Methods. In a prospective observational study, urinary neopterin levels were measured by enzyme linked immunosorbent assay in patients with active tuberculosis, in people with latent M. tuberculosis infection, and in healthy controls and the urinary neopterin/creatinine ratio was calculated...
2016: Journal of Biomarkers
https://www.readbyqxmd.com/read/27293961/association-study-between-promoter-polymorphism-of-tph1-and-progression-of-idiopathic-scoliosis
#7
Vasil Yablanski, Svetla Nikolova, Evgeni Vlaev, Alexey Savov, Ivo Kremensky
The concept of disease-modifier genes as an element of genetic heterogeneity has been widely accepted and reported. The aim of the current study is to investigate the association between the promoter polymorphism TPH1 (rs10488682) and progression of idiopathic scoliosis (IS) in Eastern European population sample. A total of 105 patients and 210 healthy gender-matched controls were enrolled in this study. The TPH1 promoter polymorphism was genotyped by amplification followed by restriction. The statistical analysis was performed by Fisher's Exact Test...
2016: Journal of Biomarkers
https://www.readbyqxmd.com/read/27247826/a-sensitive-ihc-method-for-monitoring-autophagy-specific-markers-in-human-tumor-xenografts
#8
Helen He, Yu Yang, Zhongmin Xiang, Lunyin Yu, Jouhara Chouitar, Jie Yu, Natalie Roy D'Amore, Ping Li, Zhi Li, Douglas Bowman, Matthew Theisen, James E Brownell, Stephen Tirrell
Objective. Use of tyramide signal amplification (TSA) to detect autophagy biomarkers in formalin fixed and paraffin embedded (FFPE) xenograft tissue. Materials and Methods. Autophagy marker regulation was studied in xenograft tissues using Amp HQ IHC and standard IHC methods. Results. The data demonstrate the feasibility of using high sensitivity TSA IHC assays to measure low abundant autophagy markers in FFPE xenograft tissue.
2016: Journal of Biomarkers
https://www.readbyqxmd.com/read/26664829/association-of-plasma-heat-shock-protein-70-interleukin-6-and-creatine-kinase-concentrations-in-a-healthy-young-adult-population
#9
Carmen Contreras-Sesvold, Bradley D Revenis, Francis G O'Connor, Patricia A Deuster
Variations of baseline plasma concentrations of creatine kinase (CK), heat shock protein 70 (HSP70), and interleukin 6 (IL-6) have been reported. We report categorical associations which may influence these protein levels. Methods. Blood was harvested for DNA and plasma protein analysis from 567 adults. Mean protein levels of CK, HSP70, and IL-6 were compared by sex, ethnicity, genetic variants-CKMM Nco1 (rs1803285), HSPA1B +A1538G (rs1061581), and IL6 G-174C (rs1800795)-self-reported history of exercise, oral contraceptive use, and dietary supplement use...
2015: Journal of Biomarkers
https://www.readbyqxmd.com/read/26345247/role-of-biomarkers-in-diagnosis-and-prognostic-evaluation-of-acute-pancreatitis
#10
REVIEW
Susanta Meher, Tushar Subhadarshan Mishra, Prakash Kumar Sasmal, Satyajit Rath, Rakesh Sharma, Bikram Rout, Manoj Kumar Sahu
Acute pancreatitis is a potentially life threatening disease. The spectrum of severity of the illness ranges from mild self-limiting disease to a highly fatal severe necrotizing pancreatitis. Despite intensive research and improved patient care, overall mortality still remains high, reaching up to 30-40% in cases with infected pancreatic necrosis. Although little is known about the exact pathogenesis, it has been widely accepted that premature activation of digestive enzymes within the pancreatic acinar cell is the trigger that leads to autodigestion of pancreatic tissue which is followed by infiltration and activation of leukocytes...
2015: Journal of Biomarkers
https://www.readbyqxmd.com/read/26317039/current-challenges-in-volatile-organic-compounds-analysis-as-potential-biomarkers-of-cancer
#11
REVIEW
Kamila Schmidt, Ian Podmore
An early diagnosis and appropriate treatment are crucial in reducing mortality among people suffering from cancer. There is a lack of characteristic early clinical symptoms in most forms of cancer, which highlights the importance of investigating new methods for its early detection. One of the most promising methods is the analysis of volatile organic compounds (VOCs). VOCs are a diverse group of carbon-based chemicals that are present in exhaled breath and biofluids and may be collected from the headspace of these matrices...
2015: Journal of Biomarkers
https://www.readbyqxmd.com/read/26317038/biomarkers-for-detection-and-monitoring-of-b16-melanoma-in-mouse-urine-and-feces
#12
Aviv Sever, Amir Abd Elkadir, Yosef Matana, Jacob Gopas, Yehuda Zeiri
Melanoma is the most malignant type of skin cancer. Early detection of melanoma is thus critical for patient prognosis and survival. At present, examination by a skilled dermatologist followed by biopsy of suspicious lesions is the diagnostic gold standard. The aim of the present study was to examine an alternative and noninvasive method for the diagnosis of melanoma at an early stage. We identified and compared the volatile organic compounds (VOCs) in mouse urine and feces, before and after a subcutaneous injection of B16 melanoma cells...
2015: Journal of Biomarkers
https://www.readbyqxmd.com/read/26317037/in-search-of-biomarkers-for-idiopathic-scoliosis-leptin-and-bmp4-functional-polymorphisms
#13
Svetla Nikolova, Vasil Yablanski, Evgeni Vlaev, Gergana Getova, Ventseslav Atanasov, Luben Stokov, Alexey Slavkov Savov, Ivo Marinov Kremensky
Idiopathic scoliosis (IS) is the most common spinal disorder in children and adolescents. The current consensus on IS maintains that it has a multifactorial etiology with genetic predisposition factors. In the present study the association of two functional polymorphisms of leptin (rs7799039) and BMP4 (rs4898820) with susceptibility to IS and curve severity was investigated in a Bulgarian population sample. The molecular detection of the genotypes was performed by amplification followed by restriction technology...
2015: Journal of Biomarkers
https://www.readbyqxmd.com/read/26317036/diagnosis-of-non-st-elevation-acute-coronary-syndrome-by-the-measurement-of-heart-type-fatty-acid-binding-protein-in-serum-a-prospective-case-control-study
#14
Priscilla Abraham Chandran, Basharat Ara Wani, Oruganti Sai Satish, Noorjahan Mohammed
A prospective case control study was undertaken to evaluate the diagnostic performance of serum heart-type fatty acid binding protein (HFABP) in comparison to cardiac TnT and TnI in 33 patients admitted with chest pain, diagnosed as NSTE-ACS (non ST elevation acute coronary syndrome) and 22 healthy controls. Area under the receiver operating curve (AUC) was highest for H-FABP (AUC 0.79; 95% CI 0.66-0.89) versus cTnI (AUC 0.73; 95% CI 0.59-0.84) and cTnT (AUC 0.71; 95% CI 0.57-0.83). The H-FABP level above 6...
2014: Journal of Biomarkers
https://www.readbyqxmd.com/read/26317035/biomarkers-predict-relapse-in-granulomatosis-with-polyangiitis
#15
Patrick C P Hogan, Robert M O'Connell, Simone Scollard, Emmett Browne, Emer E Hackett, Conleth Feighery
Granulomatosis with polyangiitis (GPA) is a small blood vessel vasculitic disorder with a high mortality rate if undiagnosed or treated inadequately. Disease relapse is a key feature of this disease and early identification of relapse episodes is very important in limiting end-organ damage. The advent of indirect immunofluorescence to detect antineutrophil cytoplasmic antibody (ANCA) with specific reactivity against the enzyme proteinase-3 (PR3) has been very useful in the diagnosis of GPA but is less helpful in predicting relapse...
2014: Journal of Biomarkers
https://www.readbyqxmd.com/read/26317034/urinary-%C3%AE-2-microglobulin-is-a-good-indicator-of-proximal-tubule-injury-a-correlative-study-with-renal-biopsies
#16
Xu Zeng, Deloar Hossain, David G Bostwick, Guillermo A Herrera, Ping L Zhang
Objective. After filtration through glomeruli, β2-microglobulin is reabsorbed in proximal tubules. Increased urinary β2-microglobulin indicates proximal tubule injury and measurement of β2-microglobulin in urine is useful to determine the source of renal injury. Kidney injury molecule-1 (KIM-1) has been characterized as a selective proximal tubule injury marker. This study was designed to evaluate the correlation of urinary β2-microglobulin concentration and KIM-1 expression as evidence of proximal tubule injury...
2014: Journal of Biomarkers
https://www.readbyqxmd.com/read/26317033/portable-xrf-technology-to-quantify-pb-in-bone-in-vivo
#17
Aaron James Specht, Marc Weisskopf, Linda Huiling Nie
Lead is a ubiquitous toxicant. Bone lead has been established as an important biomarker for cumulative lead exposures and has been correlated with adverse health effects on many systems in the body. K-shell X-ray fluorescence (KXRF) is the standard method for measuring bone lead, but this approach has many difficulties that have limited the widespread use of this exposure assessment method. With recent advancements in X-ray fluorescence (XRF) technology, we have developed a portable system that can quantify lead in bone in vivo within 3 minutes...
2014: Journal of Biomarkers
https://www.readbyqxmd.com/read/26317032/functional-epigenetic-analysis-of-prostate-carcinoma-a-role-for-seryl-trna-synthetase
#18
Odiljon Ikromov, Imad Alkamal, Ahmed Magheli, Nadine Ratert, Mauricio Sendeski, Kurt Miller, Hans Krause, Carsten Kempkensteffen
Transcriptional silencing, as a result of aberrant promoter hypermethylation, is a common mechanism through which genes in cancer cells become inactive. Functional epigenetic screens using demethylating agents to reexpress transcriptional silenced genes may identify such inactivated genes for needing further evaluation. We aimed to identify genes so far not known to be inactivated by promoter hypermethylation in prostate cancer. DU-145 and LNCaP cells were treated with the DNMT inhibitor zebularine. Expression changes of total RNA from treated and untreated cells were compared using an RNA expression microarray...
2014: Journal of Biomarkers
https://www.readbyqxmd.com/read/26317031/a-quest-to-identify-prostate-cancer-circulating-biomarkers-with-a-bench-to-bedside-potential
#19
REVIEW
Jaspreet Singh Batra, Swati Girdhani, Lynn Hlatky
Prostate cancer (PCA) is a major health concern in current times. Ever since prostate specific antigen (PSA) was introduced in clinical practice almost three decades ago, the diagnosis and management of PCA have been revolutionized. With time, concerns arose as to the inherent shortcomings of this biomarker and alternatives were actively sought. Over the past decade new PCA biomarkers have been identified in tissue, blood, urine, and other body fluids that offer improved specificity and supplement our knowledge of disease progression...
2014: Journal of Biomarkers
https://www.readbyqxmd.com/read/26317030/a-study-on-mthfr-c677t-gene-polymorphism-and-alcohol-dependence-among-meiteis-of-manipur-india
#20
Huidrom Suraj Singh, Kabita Salam, Kallur Nava Saraswathy
Chronic alcohol consumption is reported to be associated with increase in plasma homocysteine levels which is further influenced by the polymorphism in methylenetetrahydrofolate reductase (MTHFR) gene. The present study aims to understand the extent of the MTHFR C677T polymorphism in alcohol dependent (AD) cases of Meiteis of Manipur, a Mendelian population of India. MTHFR C677T polymorphism was screened in 313 controls and 139 alcohol dependent (AD) cases who all met DSM-IV criteria for alcohol dependence...
2014: Journal of Biomarkers
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