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https://www.readbyqxmd.com/read/28731851/the-frequency-of-occurrence-of-fish-shaped-red-blood-cells-in-different-haematologic-disorders
#1
Christoph Robier, Carolin Körber, Franz Quehenberger, Manfred Neubauer, Albert Wölfler
BACKGROUND: Red blood cells (RBC) resembling the silhouette of a fish are rarely observed in peripheral blood (PB) smears. In this study, we determined the frequency of occurrence of fish-shaped RBC in different haematologic diseases. METHODS: We examined PB smears of patients with iron deficiency anaemia (IDA) (n=23), β-thalassaemia minor (BTM) (n=30), sickle cell disease (SCD) (n=7), autoimmune haemolytic anaemia (AIHA) (n=13), microangiopathic haemolytic anaemia (MAHA) (n=11), hereditary sphaerocytosis (HS) (n=4), hereditary elliptocytosis (HE) (n=3), vitamin B12 and folate deficiency (n=15), anaemia in liver disease (LD) (n=17), myelodysplastic syndrome (MDS) (n=15), acute myeloid leukaemia (AML) (n=29), chronic myeloid leukaemia (CML) (n=18), primary myelofibrosis (PMF) (n=12), chronic myelo-monocytic leukaemia (CMML) (n=15) and 21 healthy controls by light microscopy for the occurrence of fish-shaped erythrocytes...
July 21, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28727131/evaluation-of-the-hematologic-system-as-a-marker-of-subclinical-inflammation-in-hyperemesis-gravidarum-a-case-control-study
#2
Fatma Beyazit, Filiz Halici Öztürk, Eren Pek, Mesut Abdülkerim Ünsal
OBJECTIVES: Current evidence suggests that subclinical inflammation plays a significant role in the development of hyperemesis gravidarum (HEG). Simple hematological markers, such as mean platelet volume (MPV), neutrophil-to-lymphocyte ratio (NLR), and platelet-to-lymphocyte ratio (PLR), have been shown to reflect inflammatory burden and disease activity in several disorders. This study aimed to determine the diagnostic value of these hematological parameters for HEG. MATERIAL AND METHODS: A total of 54 HEG patients and 58 age- and gestational-age-matched control subjects were studied...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28721813/mechanisms-involved-in-the-increased-hemolysis-in-the-fetus-and-newborn
#3
Giuseppe Buonocore, Serafina Perrone, Rodolfo Bracci
BACKGROUND: The suicidal death of erythrocytes should be considered a possible cause of hemolysis and plasma bilirubin overload when there is no evidence of an immune-mediated hemolytic anemia, no consumptive red blood cell disorder, no morphologic or laboratory data to suggest a problem of the red cell membrane, and no evidence of a quantitative or qualitative defect in hemoglobin synthesis. OBJECTIVE: In neonatal period, xenobiotics, cytokines, osmotic shock, energy depletion, oxidative stress, and variation of temperature may induce an alteration of balance between damaging and protecting factors which can be followed by red cell death...
July 18, 2017: Current Pediatric Reviews
https://www.readbyqxmd.com/read/28719434/primary-cutaneous-small-medium-cd4-t-cell-lymphoproliferative-disorder-occurring-in-a-patient-with-metastatic-melanoma
#4
Jonathan J Davick, Elizabeth Gaughan, Megan Barry, Alejandro A Gru
Therapeutic agents designed to stimulate the immune system are now cornerstones in the treatment of metastatic melanoma. These drugs promote lymphocyte growth and survival, which could plausibly result in clinical lymphoproliferative disorders. We report the case of a 62-year-old female with metastatic melanoma who developed primary cutaneous small/medium CD4 T-cell lymphoproliferative disorder (PC-SMTCL) after treatment with vemurafenib and recombinant high-dose interleukin-2 (IL-2). The patient developed a painless red papule behind the ear...
July 14, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28718265/haemoglobinuria-and-portal-venous-thrombosis-in-a-young-male
#5
Zain Ul Abideen, Munnam Sohail Jafar, Nasir Hameed, Ahmad Malik
Paroxysmal nocturnal haemoglobinuria is a non-malignant stem cell disorder due to acquired somatic mutations in cell surface anchored proteins CD55 and CD59. Both have a compliment inhibitory role and their deficiency leads to intravascular haemolysis. This paper reports a challenging case of a 25 years old male who presented with generalized weakness, exertional dyspnoea and episodic early morning haematuria. Recently, he started developing progressive abdominal distention and dull generalized abdominal pain...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28716727/systematic-review-and-meta-analysis-links-autism-and-toxic-metals-and-highlights-the-impact-of-country-development-status-higher-blood-and-erythrocyte-levels-for-mercury-and-lead-and-higher-hair-antimony-cadmium-lead-and-mercury
#6
REVIEW
Amene Saghazadeh, Nima Rezaei
BACKGROUND: Autism spectrum disorder (ASD) is a heterogeneous neurodevelopmental disorder that affects cognitive and higher cognitive functions. Increasing prevalence of ASD and high rates of related comorbidities has caused serious health loss and placed an onerous burden on the supporting families, caregivers, and health care services. Heavy metals are among environmental factors that may contribute to ASD. However, due to inconsistencies across studies, it is still hard to explain the association between ASD and toxic metals...
July 14, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28715596/influence-of-physical-exercise-on-%C3%AE-amyloid-%C3%AE-synuclein-and-tau-accumulation-an-in-vitro-model-of-oxidative-stress-in-human-red-blood-cells
#7
C Iofrida, S Daniele, D Pietrobono, J Fusi, F Galetta, M L Trincavelli, U Bonuccelli, F Franzoni, C Martini
A common pathological feature of neurodegenerative disorders (NDs), such as Alzheimer's (AD) and Parkinson's (PD) diseases, is the abnormal accumulation and misfolding of specific proteins, primarily α-synuclein (α-syn), β-amyloid1-42 (Aβ) and tau, in brain and in peripheral tissues too. Oxidative stress has been proved to be involved in NDs at various levels and, in particular, in such protein alterations, on the contrary physical activity is emerging as a counteracting factor in NDs. In the present work, the content of Aβ, α-syn and tau in red blood cells (RBCs) derived from ten endurance athletes (ATHL) and ten sedentary volunteers (SED) were compared before and after in vitrooxidative stress treatment...
July 1, 2017: Archives Italiennes de Biologie
https://www.readbyqxmd.com/read/28714864/an-erythroid-specific-atp2b4-enhancer-mediates-red-blood-cell-hydration-and-malaria-susceptibility
#8
Samuel Lessard, Emily Stern Gatof, Mélissa Beaudoin, Patrick G Schupp, Falak Sher, Adnan Ali, Sukhpal Prehar, Ryo Kurita, Yukio Nakamura, Esther Baena, Jonathan Ledoux, Delvac Oceandy, Daniel E Bauer, Guillaume Lettre
The lack of mechanistic explanations for many genotype-phenotype associations identified by GWAS precludes thorough assessment of their impact on human health. Here, we conducted an expression quantitative trait locus (eQTL) mapping analysis in erythroblasts and found erythroid-specific eQTLs for ATP2B4, the main calcium ATPase of red blood cells (rbc). The same SNPs were previously associated with mean corpuscular hemoglobin concentration (MCHC) and susceptibility to severe malaria infection. We showed that Atp2b4-/- mice demonstrate increased MCHC, confirming ATP2B4 as the causal gene at this GWAS locus...
July 17, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28709950/characterization-of-potent-and-selective-iodonium-class-inhibitors-of-nadph-oxidases
#9
Jiamo Lu, Prabhakar Risbood, Charles T Kane, Md Tafazzal Hossain, Larry Anderson, Kimberly Hill, Anne Monks, Yongzhong Wu, Smitha Antony, Agnes Juhasz, Han Liu, Guojian Jiang, Erik Harris, Krishnendu Roy, Jennifer L Meitzler, Mariam Konaté, James H Doroshow
The NADPH oxidases (NOXs) play a recognized role in the development and progression of inflammation-associated disorders, as well as cancer. To date, several NOX inhibitors have been developed, through either high throughput screening or targeted disruption of NOX interaction partners, although only a few have reached clinical trials. To improve the efficacy and bioavailability of the iodonium class NOX inhibitor diphenylene iodonium (DPI), we synthesized 36 analogs of DPI, focusing on improved solubility and functionalization...
July 11, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28697416/depression-and-anxiety-symptoms-are-associated-with-white-blood-cell-count-and-red-cell-distribution-width-a-sex-stratified-analysis-in-a-population-based-study
#10
Mojtaba Shafiee, Maryam Tayefi, Seyed Mahdi Hassanian, Zahra Ghaneifar, Mohammad Reza Parizadeh, Amir Avan, Farzad Rahmani, Zahra Khorasanchi, Mahmoud Reza Azarpajouh, Hamideh Safarian, Mohsen Moohebati, Alireza Heidari-Bakavoli, Habibolah Esmaeili, Mohsen Nematy, Mohammad Safarian, Mahmoud Ebrahimi, Gordon A Ferns, Naghmeh Mokhber, Majid Ghayour-Mobarhan
BACKGROUND: Depression and anxiety are two common mood disorders that are both linked to systemic inflammation. Increased white blood cell (WBC) count and red cell distribution width (RDW) are associated with negative clinical outcomes in a wide variety of pathological conditions. WBC is a non-specific inflammatory marker and RDW is also strongly related to other inflammatory markers. Therefore, we proposed that there might be an association between these hematological inflammatory markers and depression/anxiety symptoms...
July 3, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28694211/novel-mutations-in-patients-with-hereditary-red-blood-cell-membrane-disorders-using-next-generation-sequencing
#11
Yunyan He, Siyuan Jia, Roma Kajal Dewan, Ning Liao
To diagnose and investigate the genotype-phenotype relationship in intractable hereditary red blood cell (RBC) membrane cases, we have utilized next-generation sequencing (NGS) to develop a high-throughput, highly sensitive assay. Three unrelated families including 15 individuals were analysed with a panel interrogating 600 genes related to haematopathy disorders. Where possible, inheritance patterns of pathogenic mutations were determined by sequencing the relatives. We identified 2 novel mutations in ANK1 (Y216X and E142X) responsible for hereditary spherocytosis (HS) that were stop-gain single nucleotide variants (SNVs)...
July 7, 2017: Gene
https://www.readbyqxmd.com/read/28691229/desmopressin-use-for-minimising-perioperative-blood-transfusion
#12
REVIEW
Michael J Desborough, Kathryn Oakland, Charlotte Brierley, Sean Bennett, Carolyn Doree, Marialena Trivella, Sally Hopewell, Simon J Stanworth, Lise J Estcourt
BACKGROUND: Blood transfusion is administered during many types of surgery, but its efficacy and safety are increasingly questioned. Evaluation of the efficacy of agents, such as desmopressin (DDAVP; 1-deamino-8-D-arginine-vasopressin), that may reduce perioperative blood loss is needed. OBJECTIVES: To examine the evidence for the efficacy of DDAVP in reducing perioperative blood loss and the need for red cell transfusion in people who do not have inherited bleeding disorders...
July 10, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28690518/trichoscopic-findings-of-erosive-pustular-dermatosis-of-the-scalp-associated-with-gefitinib
#13
Tomohisa Fukui, Hideo Kitamura, Ken Harada, Hajime Nakano, Daisuke Sawamura
Alopecia associated with epidermal growth factor receptor (EGFR) inhibitor therapy is a rare cutaneous side effect with the potential to progress to scarring alopecia. Thus, dermatologists should make an early diagnosis. We present the case of a 57-year-old Japanese female with scarring alopecia associated with gefitinib, which is an EGFR inhibitor, including trichoscopic findings. The patient treated with gefitinib for non-small cell lung cancer experienced skin rash and hair loss of the scalp. The scalp lesions appeared similar to erosive pustular dermatosis of the scalp...
May 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28688861/fluorescence-based-characterization-of-early-oral-squamous-cell-carcinoma-using-the-visually-enhanced-light-scope-technique
#14
Egon Burian, Caterina Schulz, Florian Probst, Benjamin Palla, Matthias Tröltzsch, Fabio Maglitto, Luigi Califano, Michael Ehrenfeld, Sven Otto
OBJECTIVES: Several diagnostic tools have been developed to assess benign and potentially malignant disorders of soft tissues. In this study, we aimed to assess the value of the VELscope(®) (Visually Enhanced Light Scope) imaging device as a technical tool to investigate malignant lesions of the oral cavity. MATERIAL AND METHODS: In this retrospective study we analyzed the photographs of 90 patients who suffered from malignant oral soft tissue lesions or carcinoma in situ (CIS) from 2008 to 2014 in the Clinic of Oral and Maxillofacial Surgery of LMU in Munich...
June 3, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28683345/interaction-of-acylated-and-unacylated-forms-of-e-coli-alpha-hemolysin-with-lipid-monolayers-a-pm-irras-study
#15
Romina F Vázquez, María A Daza Millone, Felippe J Pavinatto, Vanesa S Herlax, Laura S Bakás, Osvaldo N Oliveira, María E Vela, Sabina M Maté
Uropathogenic strains of Escherichia coli produce virulence factors, such as the protein toxin alpha-hemolysin (HlyA), that enable the bacteria to colonize the host and establish an infection. HlyA is synthetized as a protoxin (ProHlyA) that is transformed into the active form in the bacterial cytosol by the covalent linkage of two fatty-acyl moieties to the polypeptide chain before the secretion of HlyA into the extracellular medium. The aim of this work was to investigate the effect of the fatty acylation of HlyA on protein conformation and protein-membrane interactions...
June 24, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28681548/how-do-we-reduce-plasma-transfusion-in-rhode-island
#16
Christian P Nixon, Maria F Tavares, Joseph D Sweeney
BACKGROUND: Plasma transfusions are given to patients with coagulopathy, either prophylactically, before an invasive procedure; or therapeutically, in the presence of active bleeding; and as an exchange fluid in therapeutic plasma exchange for disorders such as thrombotic thrombocytopenic purpura. There is consensus that many prophylactic plasma transfusions are non-efficacious, and the misdiagnosis of thrombotic thrombocytopenic purpura results in unnecessary therapeutic plasma exchange...
July 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28681482/optimal-hematocrit-in-an-artificial-microvascular-network
#17
Nathaniel Z Piety, Walter H Reinhart, Julianne Stutz, Sergey S Shevkoplyas
BACKGROUND: Higher hematocrit increases the oxygen-carrying capacity of blood but also increases blood viscosity, thus decreasing blood flow through the microvasculature and reducing the oxygen delivery to tissues. Therefore, an optimal value of hematocrit that maximizes tissue oxygenation must exist. STUDY DESIGN AND METHODS: We used viscometry and an artificial microvascular network device to determine the optimal hematocrit in vitro. Suspensions of fresh red blood cells (RBCs) in plasma, normal saline, or a protein-containing buffer and suspensions of stored red blood cells (at Week 6 of standard hypothermic storage) in plasma with hematocrits ranging from 10 to 80% were evaluated...
July 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28680347/the-role-of-red-blood-cell-distribution-width-for-predicting-1-year-mortality-in-patients-admitted-to-the-emergency-department-with-severe-dyspnoea
#18
Gianni Turcato, Gianfranco Cervellin, Gian Luca Salvagno, Eleonora Zaccaria, Giuseppe Bartucci, Marco David, Antonio Bonora, Massimo Zannoni, Giorgio Ricci, Giuseppe Lippi
BACKGROUND: Universally accepted and validated instruments for predicting the outcome of patients presenting to the emergency department (ED) with severe dyspnoea do not exist so far, nor are they regularly used by the emergency physicians. This study hence aimed to establish whether red blood cell distribution width (RDW) may be a predictive parameter of 1-year mortality in a population of patients admitted to the ED with severe dyspnoea attributable to different underlying disorders...
January 2017: Journal of Medical Biochemistry
https://www.readbyqxmd.com/read/28675468/acral-angiokeratoma-like-pseudolymphoma-in-a-middle-aged-woman
#19
Shamir Geller, Alina Markova, Melissa Pulitzer, Patricia L Myskowski
Acral angiokeratoma-like pseudolymphoma is a rare type of pseudolymphoma presenting as dark-red papules on the hand or foot. We describe a 59 year old woman who presented with an unusual unilateral, clustered aggregate of scaly violaceous papules on the toe with an indolent course. Skin biopsy showed a prominent vascular proliferation associated with a dermal infiltrate of monoclonally rearranged T-follicular helper phenotype T-cells, in keeping with CD4+ small/medium T-cell lymphoproliferative disorder (SMPTC-LPD)...
July 4, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28672087/interventions-for-chronic-kidney-disease-in-people-with-sickle-cell-disease
#20
REVIEW
Noemi Ba Roy, Patricia M Fortin, Katherine R Bull, Carolyn Doree, Marialena Trivella, Sally Hopewell, Lise J Estcourt
BACKGROUND: Sickle cell disease (SCD) is one of the commonest severe monogenic disorders in the world, due to the inheritance of two abnormal haemoglobin (beta-globin) genes. SCD can cause severe pain, significant end-organ damage, pulmonary complications, and premature death. Kidney disease is a frequent and potentially severe complication in people with SCD.Chronic kidney disease is defined as abnormalities of kidney structure or function, present for more than three months. Sickle cell nephropathy refers to the spectrum of kidney complications in SCD...
July 3, 2017: Cochrane Database of Systematic Reviews
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