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https://www.readbyqxmd.com/read/28938735/the-age-of-fathers-in-the-usa-is-rising-an-analysis-of-168-867-480-births-from-1972-to-2015
#1
Yash S Khandwala, Chiyuan A Zhang, Ying Lu, Michael L Eisenberg
STUDY QUESTION: How has the mean paternal age in the USA changed over the past 4 decades? SUMMARY ANSWER: The age at which men are fathering children in the USA has been increasing over time, although it varies by race, geographic region and paternal education level. WHAT IS KNOWN ALREADY: While the rise in mean maternal age and its implications for fertility, birth outcomes and public health have been well documented, little is known about paternal characteristics of births within the USA...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938698/a-systematic-review-of-malignancy-associated-hemophagocytic-lymphohistiocytosis-that-needs-more-attentions
#2
REVIEW
Hongluan Wang, Lixia Xiong, Weiping Tang, Ying Zhou, Fei Li
As an infrequent but potentially life-threatening hyperinflammatory syndrome, hemophagocytic lymphohistiocytosis (HLH) is clinically characterized with prolonged fever, hepatosplenomegaly, cytopenia, hypertriglyceridemia, hyperferritinemia and hemophagocytosis in bone marrow, liver, spleen or lymph nodes. Malignancy-associated HLH (M-HLH), one type of acquired HLH, usually presents variable overlaps of symptoms with other types of HLH, thus resulting in higher incidence of misdiagnosis and mortality. In recent years, with the increasing awareness to this disease, the diagnosis and management of HLH have gained more and more attention, and improvements have been made accordingly...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938692/effectiveness-and-safety-of-pd-1-pd-l1-inhibitors-in-the-treatment-of-solid-tumors-a-systematic-review-and-meta-analysis
#3
REVIEW
Xiaohui Wang, Zhengqiang Bao, Xiaoju Zhang, Fei Li, Tianwen Lai, Chao Cao, Zhihua Chen, Wen Li, Huahao Shen, Songmin Ying
BACKGROUND: PD-1/PD-L1 inhibitors have been implicated as potentially effective anti-cancer therapies. Some clinical randomized controlled trials (RCTs) have been completed for a variety of PD-1/PD-L1 inhibitors to treat various malignancies, and more RCTs are still under way. We carried out this systematic meta-analysis to evaluate the efficacy and safety of PD-1/PD-L1 inhibitors in the treatment of solid tumors. METHODS: We searched PubMed, EMBASE, clinical trial registers, conference reports, and related reviews...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938646/concordance-between-circulating-tumor-cells-and-clinical-status-during-follow-up-in-anaplastic-lymphoma-kinase-alk-non-small-cell-lung-cancer-patients
#4
Mariano Provencio, David Pérez-Callejo, María Torrente, Paloma Martin, Virginia Calvo, Lourdes Gutiérrez, Fernando Franco, Maria José Coronado, Juan Luis Cruz-Bermúdez, Asunción Martín Ruiz-Valdepeñas, Alberto Cruz-Bermúdez, Margarita Sánchez-Beato, Atocha Romero, Aránzazu García-Grande
BACKGROUND: The identification of anaplastic lymphoma kinase (ALK) rearrangements is found in approximately 5% of non-small-cell lung cancers (NSCLCs). However, the development of liquid biopsies as a diagnostic tool is less developed in these cases. This study investigates the use of CTCs during treatment, together with an extended follow-up to correlate with clinical evolution. PATIENTS AND METHODS: A total of 13 patients out of a cohort of 212 patients with lung adenocarcinoma, presented ALK rearrangements (6%) confirmed by tumor biopsy...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938553/homocysteine-induced-peripheral-microcirculation-dysfunction-in-zebrafish-and-its-attenuation-by-l-arginine
#5
Sang Joon Lee, Sung Ho Park, Jinhyuk Fred Chung, Woorak Choi, Hyung Kyu Huh
Elevated blood homocysteine (Hcy) level is frequently observed in aged individuals and those with age-related vascular diseases. However, its effect on peripheral microcirculation is still not fully understood. Using in vivo zebrafish model, the degree of Hcy-induced peripheral microcirculation dysfunction is assessed in this study with a proposed dimensionless velocity parameter [Formula: see text], where [Formula: see text] and [Formula: see text] represent the peripheral microcirculation perfusion and the systemic perfusion levels, respectively...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938407/fibroblast-growth-factor-21-metabolic-role-in-mice-and-men
#6
Harald Staiger, Michaela Keuper, Lucia Berti, Martin Hrabe de Angelis, Hans-Ulrich Häring
Since its identification in 2000, the interest of scientists in the hepatokine fibroblast growth factor (FGF) 21 has tremendously grown, and still remains high, due to a wealth of very robust data documenting this factor's favorable effects on glucose and lipid metabolism in mice. For more than ten years now, intense in vivo and ex vivo experimentation addressed the physiological functions of FGF21 in humans as well as its pathophysiological role and pharmacological effects in human metabolic disease. This work produced a comprehensive collection of data revealing overlaps in FGF21 expression and function but also significant differences between mice and men that have to be considered before translation from bench to bedside can be successful...
July 28, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28938386/size-matters-defining-critical-in-bone-defect-size
#7
Emil H Schemitsch
Bone defects are common and are associated with a significant burden of disease. The treatment of these injuries remains controversial, particularly those defects which are critical sized. Despite the need for decision making to be evidence based, a lack of consensus around definitions of critical-sized defects still exists, particularly around those defects in the 1-3 cm range. There is a need to define "critical" in bone defect size because noncritical defects may heal without planned reconstruction and secondary surgery...
October 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28938257/childhood-visceral-leishmaniasis-distinctive-features-and-diagnosis-of-a-re-emerging-disease-an-11-year-experience-from-a-tertiary-referral-center-in-athens-greece
#8
Panagiotis Krepis, Adamantia Krepi, Ioanna Argyri, Anastasios Aggelis, Alexandra Soldatou, Maria Tsolia
BACKGROUND: Visceral leishmaniasis (VL) remains a public health issue in Greece. The aim of this study was to describe the clinical and epidemiological characteristics of pediatric VL in our region as well as to evaluate the laboratory findings and the diagnostic techniques that are applied. METHODS: We retrospectively reviewed the medical records of all children diagnosed with VL in an 11-year period at a tertiary public hospital in the region of Athens. Demographic features, clinical information and laboratory findings were accessed...
September 20, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28938240/atrial-fibrillation-bleeding-and-coronary-intervention-current-recommendations
#9
Serdar Farhan, Roxana Mehran
The patient population with the need for oral anticoagulation to reduce stroke risk associated with atrial fibrillation (AF) and dual antiplatelet therapy to prevent stent thrombosis and myocardial infarction after percutaneous coronary intervention is increasing. However, patients treated with a triple therapy consisting of oral anticoagulation, aspirin, and a P2Y12 inhibitor have been demonstrated to be at high bleeding risk. The best combination of these agents and the duration of the different therapies are still uncertain...
September 21, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28938107/lhermitte-duclos-disease-clinical-study-with-long-term-follow-up-in-a-single-institution
#10
Qiguang Wang, Si Zhang, Jian Cheng, Wenke Liu, Xuhui Hui
OBJECTIVE: LDD is a rare lesion, controversy about diagnosis and treatment of LDD and CS still exists. We aimed to clarify clinical and radiological characteristics, the optimal treatment timing and strategies of LDD with long-term follow-up. PATIENTS AND METHODS: From January 2004 to May 2017, 12 LDD patients were enrolled in our study. The clinical and radiological features, treatment strategies and long-term follow-up data were retrospectively analyzed. RESULTS: The mean follow-up was 89...
September 9, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28937999/structures-of-foot-and-mouth-disease-virus-pentamers-insight-into-capsid-dissociation-and-unexpected-pentamer-reassociation
#11
Nayab Malik, Abhay Kotecha, Sarah Gold, Amin Asfor, Jingshan Ren, Juha T Huiskonen, Tobias J Tuthill, Elizabeth E Fry, David I Stuart
Foot-and-mouth disease virus (FMDV) belongs to the aphthovirus genus of the Picornaviridae, a family of small, icosahedral, non-enveloped, single-stranded RNA viruses. It is a highly infectious pathogen and is one of the biggest hindrances to the international trade of animals and animal products. FMDV capsids (which are unstable below pH6.5) release their genome into the host cell from an acidic compartment, such as that of an endosome, and in the process dissociate into pentamers. Whilst other members of the family (enteroviruses) have been visualized to form an expanded intermediate capsid with holes from which inner capsid proteins (VP4), N-termini (VP1) and RNA can be released, there has been no visualization of any such state for an aphthovirus, instead the capsid appears to simply dissociate into pentamers...
September 22, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28937979/molecular-genomic-characterization-of-tick-and-human-derived-severe-fever-with-thrombocytopenia-syndrome-virus-isolates-from-south-korea
#12
Seok-Min Yun, Su-Jin Park, Sun-Whan Park, WooYoung Choi, Hye Won Jeong, Young-Ki Choi, Won-Ja Lee
BACKGROUND: Severe fever with thrombocytopenia syndrome (SFTS) is an emerging tick-borne viral disease caused by the SFTS virus (SFTSV) from Bunyaviridae that is endemic in East Asia. However, the genetic and evolutionary characteristics shared between tick- and human-derived Korean SFTSV strains are still limited. METHODOLOGY/PRINCIPAL FINDINGS: In this study we identify, for the first time, the genome sequence of a tick (Haemaphysalis longicornis)-derived Korean SFTSV strain (designated as KAGWT) and compare this virus with recent human SFTSV isolates to identify the genetic variations and relationships among SFTSV strains...
September 22, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28937837/lung-function-functional-capacity-and-respiratory-symptoms-at-discharge-from-hospital-in-patients-with-acute-pulmonary-embolism-a-cross-sectional-study
#13
Jenny S Danielsbacka, Monika Fagevik Olsén, Per-Olof Hansson, Kaisa Mannerkorpi
BACKGROUND: Acute pulmonary embolism (PE) is a cardiovascular disease with symptoms including respiratory associated chest pain (RACP) and dyspnea. No previous studies exist focusing on lung function, functional capacity, and respiratory symptoms at discharge after PE. OBJECTIVES: The aim was to examine and describe lung function, functional capacity, and respiratory symptoms at discharge in patients with PE and compare to reference values. PATIENTS/METHODS: Fifty consecutive patients with PE admitted to the Acute Medical Unit, Sahlgrenska University Hospital, were included...
September 22, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28937799/can-diet-modulate-helicobacter-pylori-associated-gastric-pathogenesis-an-evidence-based-analysis
#14
Syed Faisal Zaidi, Kanwal Ahmed, Sheikh Abdul Saeed, Usmanghani Khan, Toshiro Sugiyama
Helicobacter pylori is involved in the pathogenesis of gastritis, peptic ulcer, and gastric cancer. The infection is prevalent in more than half of the world's population. Although the infection may lead to detrimental consequences, still the majority of the infected individuals only develop mild gastritis. Several factors are behind this paradoxical outcome including virulence of the infecting H. pylori strains, genetic background of the host, and factors related to lifestyle such as dietary habits. Among these, lifestyle including dietary factors was not in the limelight, until recently, as one of the important factors that could modulate H...
September 22, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28937786/prevalence-of-femoral-and-acetabular-version-abnormalities-in-patients-with-symptomatic-hip-disease-a-controlled-study-of-538-hips
#15
Till D Lerch, Inga A S Todorski, Simon D Steppacher, Florian Schmaranzer, Stefan F Werlen, Klaus A Siebenrock, Moritz Tannast
BACKGROUND: Variations in femoral and acetabular version are becoming increasingly recognized as contributing factors to the development of hip pain in patients with femoroacetabular impingement (FAI) and hip dysplasia. It is still unknown what the true prevalence of these rotational abnormalities is in this patient population. PURPOSE: To determine (1) the prevalence of femoral version abnormalities in symptomatic hips with FAI and hip dysplasia, (2) the prevalence of combined abnormalities of femoral and acetabular version in these patients, and (3) which specific hip morphologies are associated with abnormalities of femoral version...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28937657/synthesis-of-2-4-diaminopyrimidine-core-based-derivatives-and-biological-evaluation-of-their-anti-tubercular-activities
#16
Yifan Ouyang, Hao Yang, Peng Zhang, Yu Wang, Sargit Kaur, Xuanli Zhu, Zhe Wang, Yutong Sun, Wei Hong, Yun Fong Ngeow, Hao Wang
Tuberculosis (TB) is a chronic, potentially fatal disease caused by Mycobacterium tuberculosis (Mtb). The dihyrofolate reductase in Mtb (mt-DHFR) is believed to be an important drug target in anti-TB drug development. This enzyme contains a glycerol (GOL) binding site, which is assumed to be a useful site to improve the selectivity towards human dihyrofolate reductase (h-DHFR). There have been previous attempts to design drugs targeting the GOL binding site, but the designed compounds contain a hydrophilic group, which may prevent the compounds from crossing the cell wall of Mtb to function at the whole cell level...
September 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28937599/mediterranean-diet-and-multi-ingredient-based-interventions-for-the-management-of-non-alcoholic-fatty-liver-disease
#17
REVIEW
Manuel Suárez, Noemí Boqué, Josep M Del Bas, Jordi Mayneris-Perxachs, Lluís Arola, Antoni Caimari
Non-alcoholic fatty liver disease (NAFLD) comprises a wide spectrum of hepatic disorders, from simple steatosis to hepatic necro-inflammation leading to non-alcoholic steatohepatitis (NASH). Although the prevalence of these multifactorial pathologies is continuously increasing in the population, there is still not an established methodology for their treatment other than weight loss and a change in lifestyle habits, such as a hypocaloric diet and physical exercise. In this framework, there is increasing evidence that several food bioactives and dietary patterns are effective for reversing and preventing the onset of these pathologies...
September 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28937383/multicentric-papillary-and-chromophobe-renal-cell-carcinomas-in-a-patient-with-autosomal-dominant-polycystic-kidney-disease-report-of-a-rare-case
#18
Nibedita Sahoo, Susama Patra, Swagatika Senapati, Tushar S Mishra
The causal relationship of autosomal dominant polycystic kidney disease (ADPKD) with the development of renal cell carcinoma (RCC) is still not known. We describe a case of bilateral PKD complicated with a large enhancing mass and multiple small nodules in the left kidney. The histopathological study of the nephrectomy specimen revealed the synchronous occurrence of eosinophilic variant of chromophobe RCC (EVCRCC) and multicentric papillary RCC (PRCC) in a background of ADPKD. To the best of our knowledge, this case is the first to describe the collision tumor of EVCRCC and multicentric PRCC in ADPKD...
July 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28937342/do-chimeras-have-minds
#19
Benjamin Capps
Suppose that a colleague proposed a fantastic experiment: to introduce human stem cells into a neonatal mouse so that its entire brain developed into "human-like" neuronal structures. The colleague claimed it would still be a mouse, and that its chimeric brain would be nothing like a "human" one. It would not, as a result, have a moral status beyond its nonhuman animal origins. Thus, the "human neuron mouse" would allow scientists to tinker with human-like neurology in ways that would be precluded if it were a human being, and that would promise to lead to substantial understanding of the destructive and incurable brain diseases that befall humanity...
October 2017: Cambridge Quarterly of Healthcare Ethics: CQ: the International Journal of Healthcare Ethics Committees
https://www.readbyqxmd.com/read/28937157/mutual-interference-of-cu-and-zn-ions-in-alzheimer-s-disease-perspectives-at-the-molecular-level
#20
Elena Atrián-Blasco, Amandine Conte-Daban, Christelle Hureau
While metal ions such as copper and zinc are essential in biology, they are also linked to several amyloid-related diseases, including Alzheimer's disease (AD). Zinc and copper can indeed modify the aggregation pathways of the amyloid-β (Aβ) peptide, the key component encountered in AD. In addition, the redox active copper ions do produce Reactive Oxygen Species (ROS) when bound to the Aβ peptide. While Cu(i) or Cu(ii) or Zn(ii) coordination to the Aβ has been extensively studied in the last ten years, characterization of hetero-bimetallic Aβ complexes is still scarce...
September 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
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