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https://www.readbyqxmd.com/read/29786607/pre-set-extrusion-bioprinting-for-multiscale-heterogeneous-tissue-structure-fabrication
#1
Donggu Kang, Geunseon Ahn, Donghwan Kim, Hyun-Wook Kang, Seokhwan Yun, Won-Soo Yun, Jin-Hyung Shim, Songwan Jin
Recent advances in three-dimensional (3D) bioprinting technology have led to various attempts in fabricating human tissue-like structures. However, current bioprinting technologies have limitations for creating native tissue-like structures. To resolve these issues, we developed a new pre-set extrusion bioprinting technique that can create heterogeneous, multicellular, and multimaterial structures simultaneously. The key to this ability lies in the use of a precursor cartridge that can stably preserve a multimaterial with a pre-defined configuration that can be simply embedded in a syringe-based printer head...
May 22, 2018: Biofabrication
https://www.readbyqxmd.com/read/29786590/hepatitis-c-and-human-rights-comparison-of-legal-experience-of-ukraine-and-georgia
#2
Iryna Y Senyuta
A comparative legal research of human rights provision in Ukraine and Georgia, in the aspect of combating viral HCV, was conducted. Ukrainian advocacy experience and Georgian strategic litigation experience with regard to human rights and HCV was analyzed. Key international instruments, which lay the conceptual foundations as well as outline the measures, which are directed at human rights in patient care provision and fighting viral hepatitis, were elucidated. Attention was paid to the Global health sector strategy...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786575/spatial-organization-of-the-excretory-ducts-and-sections-of-microcirculatory-blood-flow-of-the-labial-salivary-glands-in-older-adults
#3
Volodymyr H Hryn, Tamara F Deineha, Аndrij V Piliuhin, Anna V Lavrenko, Dmytro O Lavrenko
OBJECTIVE: Introduction: Salivary glands have a significant impact on the state of the homeostasis of the human body, oral cavity in particular, sensitively responding to pathological processes. The reactivity of the salivary glands in response to pathological processes that are organically linked to morphology and functions of the organ's structures, and particularly the excretory ducts of the glands and their microcirculatory blood flow, is one of the problems which have not been solved to date...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786451/annexin-a2-is-a-robo4-ligand-that-modulates-arf6-activation-associated-cerebral-trans-endothelial-permeability
#4
Wenlu Li, Zhigang Chen, Jing Yuan, Zhanyang Yu, Chongjie Cheng, Qiuchen Zhao, Lena Huang, Katherine A Hajjar, Zhong Chen, Eng H Lo, Haibin Dai, Xiaoying Wang
Blood-brain barrier (BBB) disruption in neurological disorders remains an intractable problem with limited therapeutic options. Here, we investigate whether the endothelial cell membrane protein annexin A2 (ANXA2) may play a role in reducing trans-endothelial permeability and maintaining cerebrovascular integrity after injury. Compared with wild-type mice, the expression of cerebral endothelial junctional proteins was reduced in E15.5 and adult ANXA2 knockout mice, along with increased leakage of small molecule tracers...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29786142/the-bone-marrow-is-not-only-a-primary-lymphoid-organ-the-critical-role-for-t-lymphocyte-migration-and-housing-of-long-term-memory-plasma-cells
#5
REVIEW
Reinhard Pabst
In immunology and anatomy textbooks the bone marrow is described as a typical "primary lymphoid organ" producing lymphoid cells independent of antigens. The hematopoietic bone marrow is largely age-dependent organ with great anatomical and functional differences among various species. There are estimates that about 12 % of all lymphoid cells in the human body are found in the bone marrow at any given time (2 % in the peripheral blood). Enormous numbers of T lymphocytes migrate to the bone marrow and partly return later to the blood...
May 22, 2018: European Journal of Immunology
https://www.readbyqxmd.com/read/29786109/engulfment-of-platelets-delays-endothelial-cell-aging-via-girdin-and-its-phosphorylation
#6
Yong Lan, Yongjun Li, Dajun Li, Peng Li, Jiyang Wang, Yongpeng Diao, Guodong Ye, Yangfang Li
Endothelial cells are critical in angiogenesis and maintain the homeostasis of the blood‑brain barrier (BBB). Platelets (PLTs) are essential in vascular biology, including angiogenesis. The present study aimed to investigate the effect of PLTs on the aging of endothelial cells. Human brain microvascular endothelial cells (HBMECs) and human astrocytes were co‑cultured to mimic the BBB. Transmission electron microscopy was used to observe the engulfment of PLTs. Confocal microscopy was used to observe the co‑localization of PLTs, girders of actin filament (girdin) and phosphorylated (p‑)girdin...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29786104/correlation-between-the-expression-of-il%C3%A2-18-and-deep-venous-thrombosis
#7
Guangdi Li, Rudan Zhou, Xueling Zhao, Riguang Liu, Chuan Ye
The present study aimed to investigate the effect of the expression of interleukin (IL)‑18 and related markers on deep venous thrombosis (DVT) to examine their correlation. Sprague‑Dawley rats of different models were established and were randomly assigned into three groups. The expression of IL‑18, nuclear factor (NF)‑κB and von Willebrand factor (vWF) were detected in blood samples. The inferior vena cava (IVC) was ligated to establish the DVT model. Rat IL‑18 overexpression and inhibition vectors were constructed...
May 16, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29786040/human-leukocyte-antigen-a-allele-distribution-in-nasopharyngeal-carcinoma-patients-showing-anti-melanoma-associated-antigen-a-or-synovial-sarcoma-x-2-t-cell-response-in-blood
#8
Pei-Wen Fan, Li Huang, Xue-Mei Chang, Ya-Ning Feng, Xuan Yao, Yan-Chun Peng, Tao Dong, Ruo-Zheng Wang
Background: Development of innovative immunotherapy is imperative to improve the poor survival of the nasopharyngeal carcinoma (NPC) patients. In this study, we evaluated the T cell response to melanoma-associated antigen (MAGE)-A1, MAGE-A3, or synovial sarcoma X-2 (SSX-2) in the peripheral blood of treatment-naive NPC patients. The relationship of responses among the three proteins and the human leukocyte antigen (HLA)-A types were analyzed to provide evidence of designing novel therapy...
June 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29785877/hepatitis-b-virus-lymphotropism-emerging-details-and-challenges
#9
Shivali S Joshi, Carla S Coffin
The hepatitis B virus (HBV) is predominantly a hepatotropic virus but also infects cells of the lymphatic system. HBV genomes (DNA, messenger (m)RNA, covalently closed circular (ccc) DNA) and proteins have been found in extrahepatic sites such as peripheral blood mononuclear cells (PBMC), lymph nodes, spleen, bone marrow and cerebrospinal fluid. HBV entry into hepatocytes occurs by binding of the HBV preS1 surface protein to its specific receptor, the bile acid transporter, sodium taurocholate co-transporting polypeptide (NTCP)...
May 22, 2018: Biotechnology & Genetic Engineering Reviews
https://www.readbyqxmd.com/read/29785730/evidence-of-australian-bat-lyssavirus-infection-in-diverse-australian-bat-taxa
#10
Hume Ernest Field
Historically, Australia was considered free of rabies and rabieslike viruses. Thus, the identification of Australian bat lyssavirus (ABLV) in 1996 in a debilitated bat found by a member of the public precipitated both public health consternation and a revision of lyssavirus taxonomy. Subsequent observational studies sought to elaborate the occurrence and frequency of ABLV infection in Australian bats. This paper describes the taxonomic diversity of bat species showing evidence of ABLV infection to better inform public health considerations...
May 21, 2018: Zoonoses and Public Health
https://www.readbyqxmd.com/read/29785651/genetic-analysis-of-the-human-insulin-like-3-gene-in-pediatric-patients-with-testicular-torsion
#11
Anna Paola Capra, Elisa Ferro, Maria Angela La Rosa, Silvana Briuglia, Tiziana Russo, Salvatore Arena, Carmelo Salpietro Damiano, Carmelo Romeo, Pietro Impellizzeri
PURPOSE: Testicular torsion (TT) mainly affects boys under 18 years old. To avoid orchiectomy, TT requires an immediate operative management. The etiology of TT is still controversial. Observed familiar recurrence suggests the presence of a genetic involvement. The INSL3 gene consists of two exons, and it is specifically expressed in fetal and adult Leydig cells. In transgenic mice, deletion of this gene was observed an increased testicular mobility and testicular torsion. We have hypothesized the possible involvement of the INSL3 gene as a predisposing factor of human TT...
May 21, 2018: Pediatric Surgery International
https://www.readbyqxmd.com/read/29785578/transport-of-the-pituitary-adenylate-cyclase-activating-polypeptide-across-the-blood-brain-barrier-implications-for-migraine
#12
Faisal Mohammad Amin, Henrik Winther Schytz
BACKGROUND: Pituitary adenylate cyclase-activating polypeptide (PACAP) is widely distributed in the nervous system and is involved in migraine pathophysiology. Understanding the function of the blood-brain barrier (BBB) in relation to PACAP is important to the understand the mechanisms behind PACAP-induced migraine attacks, but also to develop antimigraine drugs targeting the PACAP receptors Here, we aim to review the transport ability of PACAP across the BBB. METHODS: We performed a systematic literature search on PubMed to identify studies reporting original data on PACAP and BBB...
May 21, 2018: Journal of Headache and Pain
https://www.readbyqxmd.com/read/29785538/stress-phase-angle-regulates-differentiation-of-human-adipose-derived-stem-cells-toward-endothelial-phenotype
#13
Shahrokh Shojaei, Mohammad Tafazzoli-Shadpour, Mohammad Ali Shokrgozar, Nooshin Haghighipour, Fatemeh Hejazi Jahromi
Endothelial cells are subjected to cyclic shear by pulsatile blood flow and pressures due to circumferential stresses. Although most of the researches on this topic have considered the effects of these two biomechanical forces separately or concurrently, few studies have noticed the interaction of these cyclic loadings on endothelial behavior. Negative temporal stress phase angle, defined by the phase lag between cyclic shear and tensile stresses, is an established parameter which is known to have substantial effects on blood vessel remodeling and progression of some serious cardiovascular diseases...
May 21, 2018: Progress in Biomaterials
https://www.readbyqxmd.com/read/29785198/effects-of-walking-in-bamboo-forest-and-city-environments-on-brainwave-activity-in-young-adults
#14
Ahmad Hassan, Jiang Tao, Guo Li, Mingyan Jiang, Liu Aii, Jiang Zhihui, Liu Zongfang, Chen Qibing
Background . In Japan, "Shinrin-yoku" or forest bathing (spending time in forests) is a major practice used for relaxation. However, its effects on promoting human mental health are still under consideration. The objective of this study was to investigate the physiological and psychological relaxation effects of forest walking on adults. Sixty participants (50% males; 50% females) were trained to walk 15-minute predetermined courses in a bamboo forest and a city area (control). The length of the courses was the same to allow comparison of the effects of both environments...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29785126/impact-of-targeting-transforming-growth-factor-%C3%AE-2-with-antisense-ot-101-on-the-cytokine-and-chemokine-profile-in-patients-with-advanced-pancreatic-cancer
#15
Osmond J D'Cruz, Sanjive Qazi, Larn Hwang, Kevin Ng, Vuong Trieu
Background: Overexpression of the cytokine - transforming growth factor-beta 2 (TGF-β2) - has been implicated in the malignant progression of pancreatic cancer (PAC). OT-101 (trabedersen) is an antisense oligodeoxynucleotide designed to target the human TGF-β2 mRNA. In a Phase I/II study, OT-101 treatment with subsequent chemotherapy was characterized by outstanding overall survival (OS) in patients with PAC. Objective: This study sought to identify 1) co-regulated sets of cyto-/chemokines; 2) potential mechanisms that link TGF-β receptor type 2 receptor inhibition that may result in the induction of a cytokine storm; and 3) predictive biomarkers for OS outcome in OT-101-treated patients with PAC...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29785069/genetic-characterization-of-chikungunya-virus-2009-isolates-from-south-india
#16
Gopalsamy Sarangan, Seema A Nayar, Monika Mani, Sudharsana Sundarrajan, Sathish Sankar, Gunasekaran Palani, Gracy Fathima Selvaraj, Jayachandran Damodharan, Karuppaiah Muthumani, Padma Srikanth
Chikungunya Virus (CHIKV) is a single stranded positive sense enveloped RNA virus. Re-emergence of CHIKV caused a massive outbreak with severe clinical manifestation affecting multiple organs. The genetic diversity of CHIKV, which caused recurring outbreaks in India, was studied. Blood samples were collected from suspected human cases of CHIKV infection in Chennai, Tamil Nadu and three Northern districts of Kerala in Southern India during the CHIKV outbreak in 2009. A partial E2 gene segment was amplified by RT-PCR...
2018: Bioinformation
https://www.readbyqxmd.com/read/29784979/pervasive-introgression-facilitated-domestication-and-adaptation-in-the-bos-species-complex
#17
Dong-Dong Wu, Xiang-Dong Ding, Sheng Wang, Jan M Wójcik, Yi Zhang, Małgorzata Tokarska, Yan Li, Ming-Shan Wang, Omar Faruque, Rasmus Nielsen, Qin Zhang, Ya-Ping Zhang
Species of the Bos genus, including taurine cattle, zebu, gayal, gaur, banteng, yak, wisent and bison, have been domesticated at least four times and have been an important source of meat, milk and power for many human cultures. We sequence the genomes of gayal, gaur, banteng, wisent and bison, and provide population genomic sequencing of an additional 98 individuals. We use these data to determine the phylogeny and evolutionary history of these species and show that the threatened gayal is an independent species or subspecies...
May 21, 2018: Nature Ecology & Evolution
https://www.readbyqxmd.com/read/29784926/clinical-utility-of-circulating-non-coding-rnas-an-update
#18
REVIEW
Simone Anfossi, Anna Babayan, Klaus Pantel, George A Calin
Over the past decade, the amount of research and the number of publications on associations between circulating small and long non-coding RNAs (ncRNAs) and cancer have grown exponentially. Particular focus has been placed on the development of diagnostic and prognostic biomarkers to enable efficient patient management - from early detection of cancer to monitoring for disease recurrence or progression after treatment. Owing to their high abundance and stability, circulating ncRNAs have potential utility as non-invasive, blood-based biomarkers that can provide information on tumour biology and the effects of treatments, such as targeted therapies and immunotherapies...
May 21, 2018: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/29784860/molecular-and-functional-characterization-of-fc%C3%AE-riiib-receptor-ligand-interaction-implications-for-neutrophil-mediated-immune-mechanisms-in-malaria
#19
Piyapong Simtong, Amornrat V Romphruk, Annalena Traum, Monika Burg-Roderfeld, Gregor Bein, Konstantin Jakubowski, Andreas Dominik, Michael Theisen, Ikhlaq Hussain Kana, Ulrich J Sachs, Sentot Santoso
The Fcγ receptor IIIb (FcγRIIIb) is a low-affinity receptor of IgG and is essential in neutrophil mediated effector functions. Different allelic forms of FcγRIIIb carrying human neutrophil antigen (HNA-1a, -1b, -1c and -1d) have been identified. Here, we have generated stable transfected HEK293 cell lines expressing HNA-1aa, -1bb, and -1bc. Of these, cells expressing HNA-1bc interacted significantly stronger (2.277 versus 0.743) with human IgG than cells expressing the HNA-1aa or -1bb alloforms. The higher affinity of IgG towards the HNA-1c alloform was confirmed using neutrophils derived from German blood donors...
May 21, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29784846/pharmacokinetics-of-piperaquine-and-safety-profile-of-dihydroartemisinin-piperaquine-co-administered-with-antiretroviral-therapy-in-malaria-uninfected-hiv-positive-malawian-adults
#20
Clifford G Banda, Fraction Dzinjalamala, Mavuto Mukaka, Jane Mallewa, Victor Maiden, Dianne J Terlouw, David G Lalloo, Saye H Khoo, Victor Mwapasa
There are limited data on the pharmacokinetic and safety profiles of dihydroartemisinin-piperaquine (DHA-PQ) among human immunodeficiency virus infected (HIV+) individuals taking antiretroviral therapy (ART). In a two step (parallel-group) pharmacokinetic trial with intensive blood sampling, we compared area under the concentration-time curve (AUC0-28 days ) and safety outcomes of piperaquine among malaria-uninfected HIV+ adults. In step 1, half the adult dose of DHA-PQ was administered for three days as an intitial safety check in four groups (n=6/group) of HIV+ adults (age≥18 years): (i) antiretroviral-naïve, (ii) on nevirapine-based ART, (iii) on efavirenz-based ART, and (iv) on ritonavir-boosted lopinavir-based ART...
May 21, 2018: Antimicrobial Agents and Chemotherapy
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