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Autologous Blood

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https://www.readbyqxmd.com/read/29777790/effect-of-intratesticular-hematoma-on-testis-microstructure-spermatogenesis-and-testosterone-production-defining-a-cut-off-point-for-significant-intratesticular-hematoma
#1
Alireza Aminsharifi, Alireza Monsef, Ali Noorafshan, Saied Karbalay-Doust, Zahra Jafarinezhad, Omid Koohi, Afshin Molaei
OBJECTIVES: To evaluate the effect of different degrees of intratesticular hematoma (ITH), a major consequence of blunt testis trauma, on testis microstructure and function. We determined a cut-off point for significant vs. nonsignificant ITH. METHODS: Seventy male rats were divided into 7 equal groups. The control group (G) remained intact. Sham groups consisted of rats given an intratesticular injection of normal saline in both testicles with volumes equivalent to 40% of testis volume (G-II), 30% (G-III) and 10% (G-IV)...
May 16, 2018: Urology
https://www.readbyqxmd.com/read/29776761/-pterygium-surgery-by-conjunctiva-autograft-with-autologous-blood-fixation
#2
C G F Nganga Ngabou, C Makita, S S Ndalla, F Nkokolo, R Messe Ambia Koulimaya, B Diatewa
INTRODUCTION: Pterygium surgery is marked by the possibility of recurrences; one of the techniques which results in the least recurrences is conjunctival autograft. Fixation of the conjunctiva had traditionally been accomplished with sutures. In recent years, conjunctival grafting has also been performed with fibrin glue. Even more recently, with a view towards improving the quality of postoperative results, some surgeons recommend the use of autologous blood. This study aims to evaluate the stability of this latest method of graft fixation, while assessing its postoperative results...
May 15, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29775701/lithium-posttreatment-alleviates-blood-brain-barrier-injury-after-intracerebral-hemorrhage-in-rats
#3
Weishan Li, Rui Li, Sha Zhao, Cheng Jiang, Zhen Liu, Xiaobo Tang
Vasogenic cerebral edema formation after blood brain barrier (BBB) damage aggravates the devastating consequences of intracerebral hemorrhage (ICH). The present study aims to probe into a therapeutic method on BBB preservation after ICH with a glycogen synthase kinase-3β (GSK-3β) inhibitor, lithium. Intrastriatal infusion of semicoagulated autologous whole blood or sham surgery was performed on male Sprague-Dawley (SD) rats (n = 208).Experimental animals received administration of 4,6-disubstitutedpyrrolo-pyrimidine (TWS119), lithium alone or in combination with a phosphatidylinositol 3-kinase inhibitor, wortmannin, after ICH...
May 15, 2018: Neuroscience
https://www.readbyqxmd.com/read/29775119/effects-of-exercise-in-combination-with-autologous-bone-marrow-stem-cell-transplantation-for-patients-with-type-1-diabetes
#4
Marwa Taher Mohamed, Eman Ahmed Embaby, Awatif Labib, Mohammed El-Husseiny, Hazem Khamis, Ahmed El-Demery, Mohamed Mounir Shoukry
Stem cell therapy is a promising approach for the treatment of type 1 diabetes mellitus (T1D). Previous studies recommended regular exercise for the control of T1D. Experimental studies showed that a combination of stem cells and exercise yielded a better outcome. Yet, the effect of exercise programs following stem cell transplantation in patients with T1D has not been investigated. Thus, the current study aimed to examine the effect of a combined exercise program on measures of glycemic control in patients with T1D who received autologous bone marrow stem cell transplantation (ABMSCT)...
May 18, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29772652/gp120-v5-is-targeted-by-the-first-wave-of-sequential-neutralizing-antibodies-in-shiv-sf162p3n-infected-rhesus-macaques
#5
Manxue Jia, Hong Lu, Xiang-Peng Kong, Cecilia Cheng-Mayer, Xueling Wu
Simian-human immunodeficiency virus (SHIV) infection provides a relevant animal model to study HIV-1 neutralization breadth. With previously identified SHIVSF162P3N infected rhesus macaques that did or did not develop neutralization breadth, we characterized the transmitted/founder viruses and initial autologous/homologous neutralizing antibodies in these animals. The plasma viral load and blood CD4 count did not distinguish macaques with and without breadth, and only one tested homologous envelope clone revealed a trend for macaques with breadth to favor an early homologous response...
May 16, 2018: Viruses
https://www.readbyqxmd.com/read/29772575/therapeutic-effect-of-cd4-cd25-regulatory-t-cells-amplified-in-vitro-on-experimental-autoimmune-neuritis-in-rats
#6
Feng-Jie Wang, Dan Cui, Wei-Dong Qian
BACKGROUND/AIMS: This study aimed to explore whether the adoptive transfusion of autologous CD4+CD25+ regulatory T cells (CD4+CD25+ Tregs) has a therapeutic effect on Experimental autoimmune neuritis (EAN) model rats, and it provides new experimental and theoretical bases for the immunotherapy of Guillain-Barre syndrome (GBS). METHODS: CD4+CD25+ Tregs were sorted from the spleens of rats using immunomagnetic bead separation techniques combined with flow cytometry...
May 14, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29772345/autologous-liquid-platelet-rich-fibrin-a-novel-drug-delivery-system
#7
REVIEW
Richard J Miron, Yufeng Zhang
There is currently widespread interest within the biomaterial field to locally deliver biomolecules for bone and cartilage regeneration. Substantial work to date has focused on the potential role of these biomolecules during the healing process, and the carrier system utilized is a key factor in their effectiveness. Platelet rich fibrin (PRF) is a naturally derived fibrin scaffold that is easily obtained from peripheral blood following centrifugation. Slower centrifugation speeds have led to the commercialization of a liquid formulation (liquid-PRF) resulting in an upper plasma layer composed of liquid fibrinogen/thrombin prior to clot formation that remains in its liquid phase for approximately 15 minutes until injected into bodily tissues...
May 14, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29770455/development-validation-and-potential-applications-of-biotinylated-red-blood-cells-for-posttransfusion-kinetics-and-other-physiological-studies-evidenced-based-analysis-and-recommendations
#8
REVIEW
Donald M Mock, Demet Nalbant, Svetlana V Kyosseva, Robert L Schmidt, Guohua An, Nell I Matthews, Alexander P J Vlaar, Robin van Bruggen, Dirk de Korte, Ronald G Strauss, José A Cancelas, Robert S Franco, Peter Veng-Pedersen, John A Widness
The current reference method in the United States for measuring in vivo population red blood cell (RBC) kinetics utilizes chromium-51 (51 Cr) RBC labeling for determining RBC volume, 24-hour posttransfusion RBC recovery, and long-term RBC survival. Here we provide evidence supporting adoption of a method for kinetics that uses the biotin-labeled RBCs (BioRBCs) as a superior, versatile method for both regulatory and investigational purposes. RBC kinetic analysis using BioRBCs has important methodologic, analytical, and safety advantages over 51 Cr-labeled RBCs...
May 16, 2018: Transfusion
https://www.readbyqxmd.com/read/29770299/regenerative-medicine-therapy-for-single-ventricle-congenital-heart-disease
#9
REVIEW
Chetan Ambastha, Gregory J Bittle, David Morales, Nathaniel Parchment, Progyaparamita Saha, Rachana Mishra, Sudhish Sharma, Alexander Vasilenko, Muthukumar Gunasekaran, Manal T Al-Suqi, Deqiang Li, Peixin Yang, Sunjay Kaushal
One of the most complex forms of congenital heart disease (CHD) involving single ventricle physiology is hypoplastic left heart syndrome (HLHS), characterized by underdevelopment of the left ventricle (LV), mitral and aortic valves, and narrowing of the ascending aorta. The underdeveloped LV is incapable of providing long-term systemic flow, and if left untreated, the condition is fatal. Current treatment for this condition consists of three consecutive staged palliative operations: the first is conducted within the first few weeks of birth, the second between 4 to 6 months, and the third and final surgery within the first 4 years...
April 2018: Translational Pediatrics
https://www.readbyqxmd.com/read/29765390/preclinical-evaluation-of-the-nevatm-stent-retriever-safety-and-efficacy-in-the-swine-thrombectomy-model
#10
Arthur J Ulm, Tigran Khachatryan, Arthur Grigorian, Raul G Nogueira
Background: A novel stent retriever device with an enhanced radial force profile, enlarged offset openings, and a closed distal end has been developed. Objective: Evaluate the safety and effectiveness of the NeVaTM thrombectomy device in animal model of thrombo-occlusive disease. Materials and Methods: Seven swine were used in safety and efficacy studies. Thrombo-occlusive disease was modeled using 4 emboli morphologies; 2 distinct models of autologous whole blood thrombi, plasma-enriched thrombi, and Onyx® emboli...
April 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29763904/treatment-of-cutaneous-ulcers-with-multilayered-mixed-sheets-of-autologous-fibroblasts-and-peripheral-blood-mononuclear-cells
#11
Takahiro Mizoguchi, Koji Ueno, Yuriko Takeuchi, Makoto Samura, Ryo Suzuki, Tomoaki Murata, Tohru Hosoyama, Noriyasu Morikage, Kimikazu Hamano
BACKGROUND/AIMS: We have developed a mixed-cell sheet consisting of autologous fibroblasts and peripheral blood mononuclear cells with a high potency for angiogenesis and wound healing against refractory cutaneous ulcers in mouse and rabbit models. To increase the effectiveness of the mixed sheet, we developed a multilayered mixed sheet. METHODS: We assessed the therapeutic effects of multilayered sheets on cutaneous ulcers in mice. Growth factors and chemokines were assessed by enzyme-linked immunosorbent assay...
May 10, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29760728/mesenchymal-stromal-cells-cultured-in-serum-from-heart-failure-patients-are-more-resistant-to-simulated-chronic-and-acute-stress
#12
Timo Z Nazari-Shafti, Zhiyi Xu, Andreas Matthäus Bader, Georg Henke, Kristin Klose, Volkmar Falk, Christof Stamm
Despite regulatory issues surrounding the use of animal-derived cell culture supplements, most clinical cardiac cell therapy trials using mesenchymal stromal cells (MSCs) still rely on fetal bovine serum (FBS) for cell expansion before transplantation. We sought to investigate the effect of human serum from heart failure patients (HFS) on cord blood MSCs (CB-MSCs) during short-term culture under regular conditions and during simulated acute and chronic stress. Cell survival, proliferation, metabolic activity, and apoptosis were quantified, and gene expression profiles of selected apoptosis and cell cycle regulators were determined...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29757131/red-blood-cell-salvage-analysis-from-clotted-blood
#13
Ethan K Craig, Mark H Yazer, Jonathan H Waters
BACKGROUND: Blood clots discovered within body cavities intra-operatively are often manually broken up and placed in an autotransfusion device to recover autologous blood cells. This study evaluated the efficiency at which these red blood cells can be recovered from clot and to determine if these cells would be free of fibrin and clumping which might pose a risk of micro-emboli. MATERIALS AND METHODS: Whole blood was aliquoted into 25 mL volume samples. The blood was then allowed to clot, and after 24 hours the clotted blood was manually kneaded by hand for 1, 2, 3, or 5 minutes...
April 4, 2018: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/29756530/the-occurrence-of-spontaneous-cortical-spreading-depression-is-increased-by-blood-constituents-and-impairs-neurological-recovery-after-subdural-hematoma-in-rats
#14
Harald Krenzlin, Daniel Jussen, Michaela Maria Plath, Stephan Tretzel, Tobias Kraemer, Oliver Kempski, Beat Alessandri
Acute subdural haemorrhage (ASDH) is common and associated with severe morbidity and mortality. To date, the role of spontaneous cortical spreading depression (sCSD) in exaggerating secondary injury after ASDH, is poorly understood. The present study contains two experimental groups: First, we investigated and characterized the occurrence of sCSD after subdural blood infusion (300 µl) via tissue impedance (IMP) measurement in a rat model. Second, we compared the occurrence and influence of sCSD on lesion growth and neurological deficit in the presence and absence of whole blood constituents...
May 14, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29756167/sex-differences-in-gene-and-protein-expression-after-intracerebral-hemorrhage-in-mice
#15
Yongqiu Xie, Yi-Ju Li, Beilei Lei, Dawn Kernagis, Wen-Wei Liu, Ellen R Bennett, Talagnair Venkatraman, Christopher D Lascola, Daniel T Laskowitz, David S Warner, Michael L James
Sex dimorphism has been demonstrated after experimental intracerebral hemorrhage (ICH). Decreased mortality and improved neurobehavioral outcomes occur in female compared to male mice after intrastriatal autologous blood or collagenase injection. Sex-specific differences in post-ICH gene and protein expression may provide mechanistic insight into this phenomenon. Ten- to 12-week-old C57BL/6 male (M) and female in high estrous state (HE-F) underwent left intrastriatal collagenase injection. We assessed neurobehavioral outcomes over the first 30 days, hematoma volume and cerebral edema evolution over the first 24 h, and transcriptomic gene and protein expression at pre-selected time points during the acute phase of injury...
May 13, 2018: Translational Stroke Research
https://www.readbyqxmd.com/read/29755954/immune-response-generated-with-the-administration-of-autologous-dendritic-cells-pulsed-with-an-allogenic-tumoral-cell-lines-lysate-in-patients-with-newly-diagnosed-diffuse-intrinsic-pontine-glioma
#16
Daniel Benitez-Ribas, Raquel Cabezón, Georgina Flórez-Grau, Mari Carmen Molero, Patricia Puerta, Antonio Guillen, Sonia Paco, Angel M Carcaboso, Vicente Santa-Maria Lopez, Ofelia Cruz, Carmen de Torres, Noelia Salvador, Manel Juan, Jaume Mora, Andres Morales La Madrid
Background and objective: Diffuse intrinsic pontine glioma (DIPG) is a lethal brainstem tumor in children. Dendritic cells (DCs) have T-cell stimulatory capacity and, therefore, potential antitumor activity for disease control. DCs vaccines have been shown to reactivate tumor-specific T cells in both clinical and preclinical settings. We designed a phase Ib immunotherapy (IT) clinical trial with the use of autologous dendritic cells (ADCs) pulsed with an allogeneic tumors cell-lines lysate in patients with newly diagnosed DIPG after irradiation (radiation therapy)...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29748216/intrinsic-anti-inflammatory-properties-in-the-serum-of-two-species-of-deep-diving-seal
#17
Aranya Bagchi, Annabelle J Batten, Milton Levin, Kaitlin N Allen, Michael L Fitzgerald, Luis A Hückstädt, Daniel P Costa, Emmanuel S Buys, Allyson G Hindle
Weddell and elephant seals are deep diving mammals, which rely on lung collapse to limit nitrogen absorption and prevent decompression injury. Repeated collapse and re-expansion exposes the lungs to multiple stressors, including ischemia/reperfusion, alveolar shear stress, and inflammation. There is no evidence, however, that diving damages pulmonary function in these species. To investigate potential protective strategies in deep-diving seals, we examined the inflammatory response of seal whole blood exposed to lipopolysaccharide (LPS), a potent endotoxin...
May 10, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29743179/a-cd19-cd3-bispecific-antibody-for-effective-immunotherapy-of-chronic-lymphocytic-leukemia-in-the-ibrutinib-era
#18
Hannah R Robinson, Junpeng Qi, Erika M Cook, Cydney Nichols, Eman L Dadashian, Chingiz Underbayev, Sarah E M Herman, Nakhle S Saba, Keyvan Keyvanfar, Clare Sun, Inhye E Ahn, Sivasubramanian Baskar, Christoph Rader, Adrian Wiestner
The Bruton's tyrosine kinase inhibitor ibrutinib induces high rates of clinical response in chronic lymphocytic leukemia (CLL). However, there remains a need for adjunct treatments to deepen response and to overcome drug resistance. Blinatumomab, a CD19/CD3 bispecific antibody (bsAb) designed in the BiTE® format, is FDA approved for the treatment of relapsed or refractory B-cell precursor acute lymphoblastic leukemia. Due to its short half-life of 2.1 hours, blinatumomab requires continuous intravenous dosing for efficacy...
May 9, 2018: Blood
https://www.readbyqxmd.com/read/29740270/therapeutic-effect-of-platelet-rich-plasma-in-rat-spinal-cord-injuries
#19
Nan-Fu Chen, Chun-Sung Sung, Zhi-Hong Wen, Chun-Hong Chen, Chien-Wei Feng, Han-Chun Hung, San-Nan Yang, Kuan-Hao Tsui, Wu-Fu Chen
Platelet-rich plasma (PRP) is prepared by centrifuging fresh blood in an anticoagulant state, and harvesting the platelet-rich portion or condensing platelets. Studies have consistently demonstrated that PRP concentrates are an abundant source of growth factors, such as platelet-derived growth factor (PDGF), transforming growth factor β (TGF-β), insulin-like growth factor 1 (IGF-1), and epithelial growth factor (EGF). The complex mechanisms underlying spinal cord injury (SCI) diminish intrinsic repair and neuronal regeneration...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29736577/prp-therapy
#20
Ibrahim Fatih Cengiz, J Miguel Oliveira, Rui L Reis
Osteochondral lesions remain as a clinical challenge despite the advances in orthopedic regenerative strategies. Biologics, in particular, platelet-rich plasma, has been applied for the reparative and regenerative effect in many tissues, and osteochondral tissue is not an exception. Platelet-rich plasma is an autologous concentrate prepared from the collected blood; thus, this safe application is free of immune response or risk of transmission of disease. It has a high potential to promote regeneration, thanks to its content, and can be applied alone or can reinforce a tissue engineering strategy...
2018: Advances in Experimental Medicine and Biology
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