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https://www.readbyqxmd.com/read/28427008/lateral-hypothalamic-circuits-for-sleep-wake-control
#1
REVIEW
Takayuki Yamashita, Akihiro Yamanaka
The lateral hypothalamic area (LHA) of the diencephalon is crucially involved in controlling instinctive behavior such as sleep-wake cycle and feeding behavior. LHA is a heterogeneous structure that contains spatially intermingled, genetically distinct cell populations. Among LHA neurons, orexin/hypocretin (OX) neuron is the key cell type that promotes waking, and specific loss of OX neurons results in narcolepsy. Melanin-concentrating hormone (MCH) containing neurons are known to be active during rapid eye movement (REM) sleep and stimulation of these neurons promotes REM sleep...
April 17, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28424562/immunological-and-hematological-reference-intervals-among-hiv-seronegative-pregnant-women-in-northwest-ethiopia
#2
Meaza Genetu, Debasu Damtie, Meseret Workineh, Biniam Mathewos Tebeje, Bamlaku Enawgaw, Tekalign Deressa
BACKGROUND: Pregnancy is a state characterized by profound physiological hematological changes. However, hematological reference intervals being used in clinical practice in Ethiopia are derived from nonlocal general populations, despite the significant variations reported previously. The aim of this study was to determine the immunological and hematological reference intervals in healthy pregnancy among HIV-seronegative pregnant women in northwest Ethiopia. MATERIALS AND METHODS: A total of 200 healthy, HIV-seronegative pregnant women were enrolled from February 2015 to June 2015 in a cross-sectional study setting at Gondar University Hospital...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28421900/the-magnitude-and-factors-related-to-facility-based-maternal-mortality-in-mozambique
#3
Leonardo Chavane, Martinho Dgedge, Olivier Degomme, Osvaldo Loquiha, Marc Aerts, Marleen Temmerman
Facility-based maternal mortality remains an important public health problem in Mozambique. A number of factors associated with health system functioning can be described behind the occurrence of these deaths. This paper aimed to evaluate the magnitude of the health facility-based maternal mortality, its geographical distribution and to assess the health facility factors implicated in the occurrence of these deaths. A secondary analysis was done on data from the survey on maternal health needs performed by the Ministry of Health of Mozambique in 2008...
May 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28413893/the-hb-e-hbb-c-79g-a-mean-corpuscular-volume-mean-corpuscular-hemoglobin-cutoff-points-in-double-heterozygous-hb-e-sea-%C3%AE-thalassemia-1-carriers-are-dependent-on-hemoglobin-levels
#4
Prapapun Leckngam, Ektong Limweeraprajak, Tiemjan Kiewkarnkha, Thanusak Tatu
Identifying double heterozygosities in Hb E (HBB: c.79 G>A)/- -(SEA) (Southeast Asian) (α-thalassemia-1) (α-thal-1) in patients first diagnosed as carrying Hb E is important in thalassemia control. Low Hb E, mean corpuscular volume (MCV) and mean corpuscular hemoglobin (Hb) (MCH) levels have been observed in this double heterozygosity. However, the cutoff points of these parameters have never been systematically established. Here, we analyzed Hb E and red blood cell (RBC) parameters in 372 Hb E patients grouped by Hb levels, by the status of - -(SEA) and -α(3...
April 16, 2017: Hemoglobin
https://www.readbyqxmd.com/read/28395547/a-novel-mutation-of-the-%C3%AE-2-globin-gene-causing-%C3%AE-thalassemia-hb-nanning-hba2-c-369_370delinsga
#5
Biyan Chen, Li Lin, Shang Yi, Qiuli Chen, Hongwei Wei, Guojian Li, Chenguang Zheng, Sheng He, XiaoXia Qiu
We report a novel mutation on the α2-globin gene, Hb Nanning (HBA2:c.369_370delinsGA) detected in a Chinese family. This mutation gives rise to a previously undescribed hemoglobin (Hb) variant that was undetectable by various separation techniques. Both carriers of the mutation have mean corpuscular volume (MCV) and mean corpuscular Hb (MCH) values that are below normal, as would be predicted for an α(+)-thalassemia (α(+)-thal) patient.
April 11, 2017: Hemoglobin
https://www.readbyqxmd.com/read/28391514/inflammatory-and-oxidative-stress-markers-in-experimental-allergic-asthma
#6
Renata Tiscoski Nesi, Emanuel Kennedy-Feitosa, Manuella Lanzetti, Mariana Barcellos Ávila, Clarissa Bichara Magalhães, Walter Araújo Zin, Débora Souza Faffe, Luís Cristóvão Porto, Samuel Santos Valença
Ovalbumin-induced allergic lung inflammation (ALI) is a condition believed to be mediated by cytokines, extracellular matrix remodeling, and redox imbalance. In this study, we evaluated pulmonary function together with inflammatory markers as interleukin-4 (IL-4), myeloperoxidase (MPO), eosinophil cells, and redox markers in the lungs of BALB/c mice after ovalbumin (OVA) sensitization and challenge. Our results showed an increase in bronchial hyperresponsiveness stimulated by methacholine (Mch), inflammatory cell influx, especially eosinophils together with an increase of high mobility group box 1 (HMGB1) and altered lipid peroxidation (LP) and antioxidant defenses in the OVA group compared to the control group (p ≤ 0...
April 8, 2017: Inflammation
https://www.readbyqxmd.com/read/28391052/bio-orthogonal-conjugation-and-enzymatically-triggered-release-of-proteins-within-multi-layered-hydrogels
#7
Chen Guo, Heejae Kim, Elisa M Ovadia, Christine M Mourafetis, Mingrui Yang, Wilfred Chen, April M Kloxin
Hydrogels are facile architectures for the controlled presentation of proteins with far-reaching applications, from fundamental biological studies in three-dimensional culture to new regenerative medicine and therapeutic delivery strategies. Here, we demonstrate a versatile approach for spatially-defined presentation of engineered proteins within hydrogels through i) immobilization using bio-orthogonal strain-promoted alkyne-azide click chemistry and ii) dynamic proteasedriven protein release using exogenously applied enzyme...
April 5, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28388354/haemoglobin-oxygen-saturation-leucocyte-count-and-lactate-dehydrogenase-are-predictors-of-elevated-cerebral-blood-flow-velocity-in-nigerian-children-with-sickle-cell-anaemia
#8
Oyesola Oyewole Ojewunmi, Titilope Adenike Adeyemo, Akinniyi Adediran Osuntoki, Ngozi Awa Imaga, Ajoke Idayat Oyetunji
BACKGROUND: Transcranial Doppler ultrasound (TCD) scan, which measures blood flow velocity through the time-averaged mean of maximum velocities (TAMMVs) in the internal carotid arteries and middle cerebral arteries, is a useful screening tool for predicting stroke risk in children with sickle cell anaemia (SCA). AIM: To investigate which clinical and laboratory indices predict abnormal TCD velocity in children with SCA. METHODS: Fifty-four SCA patients with normal TCD (TAMMV < 170 cm/s), classified as negative TCD (NTCD), and 93 patients with conditional and abnormal TCD velocities (TAMMV ≥ 170 cm/s) classified as positive TCD were recruited...
April 7, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28386910/iron-deficiency-and-red-cell-indices-in-patients-with-heart-failure
#9
Michał Tkaczyszyn, Josep Comín-Colet, Adriaan A Voors, Dirk J van Veldhuisen, Cristina Enjuanes, Pedro Moliner-Borja, Piotr Rozentryt, Lech Poloński, Waldemar Banasiak, Piotr Ponikowski, Peter van der Meer, Ewa A Jankowska
AIMS: To investigate the prevalence of iron deficiency (ID) in heart failure (HF) patients with normal vs. abnormal red cell indices (RCI), the associations between iron parameters and RCI, and prognostic consequences of ID independently of RCI. METHODS AND RESULTS: We analysed clinical data of 1821 patients with HF [mean age 66 ± 13 years; 71% men; New York Heart Association class I/II/III/IV (11%/39%/44%/6%); left ventricular ejection fraction >45%: 19%]. Iron deficiency (ferritin <100 µg/L or ferritin 100-299 µg/L with transferrin saturation <20%) was common irrespective of the presence of anaemia (haemoglobin <12 g/dL in women and <13 g/dL in men) or low RCI, from 75% in anaemic subjects with low mean corpuscular volume (MCV), mean corpuscular haemoglobin (MCH), and MCH concentration (MCHC), to 36% in non-anaemic subjects with MCV, MCH, and MCHC above the lower limit of normal...
April 6, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28383095/dentists-perception-of-primary-health-care-services-in-family-health-and-mother-and-child-health-clinics-in-alexandria-egypt
#10
Maha El Tantawi, Maha A El-Din Hamza, Marwa M Sabry
This study compared dentists' perceptions of provided services in Family Health (FH) and Mother and Child Health (MCH) clinics. A questionnaire was distributed to 120 dentists in 7 FH and 4 MCH clinics in Alexandria, Egypt in 2012. The questionnaire assessed personal and professional background, perceptions of primary health care (PHC) role, types of services provided, patient recall and referral systems and perception of service quality. The response rate was 100%. More FH dentists perceived their role to include providing care for children and pregnant women...
March 30, 2017: Eastern Mediterranean Health Journal, la Revue de Santé de la Méditerranée Orientale
https://www.readbyqxmd.com/read/28381665/establishment-of-reference-values-for-complete-blood-count-and-blood-gases-in-cynomolgus-monkeys-macaca-fascicularis
#11
Shunya Nakayama, Hiroshi Koie, Kiichi Kanayama, Yuko Katakai, Yasuyo Ito-Fujishiro, Tadashi Sankai, Yasuhiro Yasutomi, Naohide Ageyama
Cynomolgus monkeys are closely related to humans phylogenetically, and this has resulted in their widespread use as a preclinical model. Hematological data with regard to these monkeys are thus important. Although reference values for blood components and sex hormones have been established for cynomolgus monkeys, those for arterial blood gases have not. The arterial blood gases quickly reflect respiratory and circulatory dynamics, and are thus useful for animal management and safe general anesthesia and surgical operations...
April 1, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28374424/cluster-randomised-controlled-trial-showed-that-maternal-and-child-health-handbook-was-effective-for-child-cognitive-development-in-mongolia
#12
Amarjargal Dagvadorj, Takeo Nakayama, Eisuke Inoue, Narantuya Sumya, Rintaro Mori
Child development delays can cause lower school performance, which in turn can lead to long-term poverty, developmental delays in offspring and a vicious cycle of loss of human potential (1). Effective prevention strategies are vital. It is well known that effective early child development programmes should integrate health and education with family support, programme, but coverage is often low (1). Cost-effective, high-quality programmes should therefore be considered. The Japanese Maternal and Child Health (MCH) handbook has been shown to provide cost-effective, high-level coverage that assists child development (2)...
April 4, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28374203/association-between-exposure-to-pesticides-and-disorder-on-hematological-parameters-and-kidney-function-in-male-agricultural-workers
#13
Nagah M Hassanin, Osama M Awad, Sourya El-Fiki, Reda A I Abou-Shanab, Ahmed R A Abou-Shanab, Ranya A Amer
Pesticides occupy a critical position among many chemicals to which man can be exposed; their diffusion into the environment causes killing and damaging of some forms of life. The lack of highly selective pesticide action represents risk both for man and other desirable forms of life present in the environment. The present study was designed to evaluate the relation between exposure to pesticides and disorder on hematological parameters and kidney function of male agricultural workers with the mean age 37.11 ± 9...
April 3, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28372466/structural-changes-in-biscuits-made-with-cellulose-emulsions-as-fat-replacers
#14
Teresa Sanz, Amparo Quiles, Ana Salvador, Isabel Hernando
Biscuits are a popular baked cereal food much appreciated by consumers. In the last few years, cellulose derivatives have been successfully used as fat replacers in biscuits. In this way, not only is the total amount of fat reduced but also the saturated fatty acids and the trans fatty acids are eliminated. The aim of this study is to increase understanding of the functionality of different cellulose ether emulsions used as fat replacers in biscuits. For this purpose, three emulsions with different cellulose ethers were designed: hydroxypropyl methylcellulose, methylcellulose and methylcellulose with greater methoxyl substitution (MCH)...
January 1, 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/28370506/feeding-during-the-rest-phase-promotes-circadian-conflict-in-nuclei-that-control-energy-homeostasis-and-sleep-wake-cycle-in-rats
#15
Oscar D Ramirez-Plascencia, Nadia Saderi, Carolina Escobar, Roberto C Salgado-Delgado
Food intake during the rest phase promotes circadian desynchrony, which has been associated with metabolic diseases. However, the link between circadian rhythm and metabolic alterations is not well understood. To investigate this issue, we explored the circadian rhythm of c-Fos immunoreactivity (IR) in rats fed during the day, during the night or with free access to food for 3 weeks. The analysis was focused on the hypothalamic nuclei, which are interconnected and involved in the control of energy homeostasis and/or arousal: lateral hypothalamus (LH), perifornical area, arcuate, ventrolateral pre-optic (VLPO) and tuberomammillary nuclei...
March 28, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28367656/prevalence-of-anemia-and-hemoglobin-disorders-among-school-children-in-myanmar
#16
Saw Thu Wah, Yoon Shwe Yi, Aye Aye Khin, Chotiros Plabplueng, Pornlada Nuchnoi
The prevalence of anemia is high in the population of Myanmar and hypochromic microcytic anemia (HMA) is predominant. The objective of our study was to determine the prevalence of anemia and causes of HMA among school children. A cross-sectional study was conducted on 239 children from Thanlyin and Insein Townships, Yangon Region, Myanmar. Complete blood count (CBC) and blood film morphology was examined on venous blood samples. Hypochromic microcytic anemia cases were subsequently analyzed for serum ferritin and cellulose acetate hemoglobin (Hb) electrophoresis...
April 2, 2017: Hemoglobin
https://www.readbyqxmd.com/read/28359802/low-level-arsenite-exposures-suppress-the-development-of-bone-marrow-erythroid-progenitors-and-result-in-anemia-in-adult-male-mice
#17
Sebastian Medina, Huan Xu, Shu Chun Wang, Fredine T Lauer, Ke Jian Liu, Scott W Burchiel
Epidemiological studies report an association between chronic arsenic (As) exposure and anemia in men, and women who are predisposed to anemia. The purpose of these studies was to determine whether a 60 d drinking water exposure of adult male C57BL/6J mice to 0, 100, and 500ppb arsenite (As(+3)) results in anemia due to alterations in erythroid progenitor cell development in the bone marrow. Exposure to 500ppb As(+3) for 60 d resulted in a reduction of mean corpuscular hemoglobin (MCH) levels, but did not significantly alter red blood cell (RBC) counts, hemoglobin (Hgb) levels, mean corpuscular Hgb concentrations (MCHC), or mean corpuscular volumes (MCV)...
March 27, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28342932/changes-in-hba2-and-hbf-in-alpha-thalassemia-carriers-with-klf1-mutation
#18
Stefania Satta, Maria Elisabetta Paglietti, Maria Carla Sollaino, Susanna Barella, Paolo Moi, Maria Franca Desogus, Franca Rosa Demartis, Laura Manunza, Raffaella Origa
α-thalassemia carriers are common in Mediterranean regions, particularly in the Sardinian population. Their haematological phenotype is characterized by reduced MCV and/or MCH with normal or slightly reduced HbA2 levels and normal HbF. Krüppel-like factor 1 (KLF1) is a pleiotropic erythroid transcription factor that is essential for haematopoiesis. Mutations in the KLF1 gene trigger a series of benign human red blood phenotypes, such as an increase in HbA2 and HBF. Recently, it has been found that KLF1 mutations were a frequent cause of borderline HbA2 levels in a group of Sardinian subjects...
March 18, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28340166/complete-blood-count-reference-ranges-from-a-rural-haitian-ambulatory-care-clinic
#19
Robert F Downey
Background: At rural healthcare centers in developing countries, it is difficult to recruit healthy individuals for reference range studies. So, in this study, I evaluated complete blood count (CBC) data to determine reference ranges for a rural Haitian population. Methods: A convenience sample of laboratory records was reviewed to obtain CBC results for 157 adult patients with normal screening examination results. Central 95% reference ranges were determined for male and female subjects...
March 10, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28336814/airway-smooth-muscle-dysfunction-in-pompe-gaa-mice
#20
Allison M Keeler, Donghai Liu, Marina Zieger, Lang Xiong, Jeffrey Salemi, Karl Bellve, Barry J Byrne, David D Fuller, Ronghua ZhuGe, Mai K ElMallah
Pompe disease is an autosomal recessive disorder caused by a deficiency of acid alpha-glucosidase (GAA) - an enzyme responsible for hydrolyzing lysosomal glycogen. Deficiency of GAA leads to systemic glycogen accumulation in the lysosomes of skeletal muscle, motor neurons and smooth muscle. Skeletal muscle and motor neuron pathology are known to contribute to respiratory insufficiency in Pompe disease, but the role of airway pathology has not been evaluated. Here we propose that GAA enzyme deficiency disrupts the function of the trachea and bronchi, and this lower airway pathology contributes to respiratory insufficiency in Pompe disease...
March 23, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
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