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Galbraith posted an update 10 months, 2 weeks ago
MSCs significantly ameliorated neurological deficits, mitigated neuroinflammation, promoted the recruitment of BMSCs and enhanced neurogenesis in TBI partly by activating the SDF-1/CXCR4-mediated FAK/PI3K/AKT pathway. Our results may serve as an alternative neural regeneration strategy for brain injury.Mycoplasma hyorhinis (Mhr) is a commensal of the upper respiratory tract that can be shed by nasal secretions and transmitted by direct contact in neonatal and nursery pigs. Lesions associated with Mhr infection include polyserositis and arthritis; however, systemic Mhr disease pathogenesis is not well characterized. This study aimed to investigate the immunopathogenesis and bacterial dissemination pattern of Mhr using single and multiple inoculation approaches in a caesarian-derived colostrum-deprived (CDCD) pig model. Animals in three treatment groups were inoculated once (Mhr 1; n = 12) or four (Mhr 2; n = 8) times with Mhr or sham-inoculated (NC group; n = 3) nasally and by tonsillar painting. Inoculum consisted of a triple cloned Mhr field isolate (4.5 × 107 CFU/mL) in Friis medium. Clinical signs were evaluated daily during the study. Serum and oral fluid antibody (IgA and IgG) response and cellular immune response were assessed using a recombinant chimeric VlpA-G-based indirect ELISA and by ELISpot, reical natural infection in the field. In addition, the humoral and transient cellular response did not result in bacterial clearance. Based on these results, animals would have to be exposed multiple times to mount a detectable immune response.
Health care professionals (HCPs) (eg, nurses, doctors) play a key role in vaccine uptake. Few studies describe HCP influenza vaccine communication with parents of hospitalized children.
This study included English- and Spanish-speaking parents of influenza vaccine-eligible children hospitalized at a tertiary care pediatric hospital between October 2018 and May 2019. A survey was completed online or via telephone 2 to 15 weeks (median 4 weeks) after discharge. It examined parental intent to vaccinate their child during hospitalization and parent-reported inpatient HCP communication practices (eg, vaccine recommendation strength, format for initiating the recommendation). Multivariable logistic regression examined the associations between HCP communication practices and influenza vaccination during hospitalization, adjusting for demographic, clinical, and visit characteristics.
Parents (n=194; 63.0% response rate) were mostly white (66.8%) and English-speaking (97.4%). Their children were primarily 5 thro hospitalized children.Paralysis of the muscles around the shoulder is a debilitating condition that continues to be a very challenging problem. It leads to an inability to position one’s hand in space. This greatly compromises the function of the upper limb and can lead to chronic shoulder pain due to inferior glenohumeral subluxation. Management of these complex problems has two main objectives (i) stabilize the glenohumeral joint to decrease pain related to inferior glenohumeral subluxation; (ii) restore active range of motion in external rotation, abduction, and internal rotation. All the shoulder muscles contract in a coordinated and complex manner to allow the shoulder to move through a complete range of motion. Understanding how the different muscle groups coordinate their contractions and the basic biomechanical principles of tendon transfers is paramount before considering doing a tendon transfer around the shoulder. To function properly, a tendon transfer should have a similar line of pull (similar moment arm), similar tension and similar excursion to that of the muscle it replaces; one tendon transfer should replace only one function and the donor (transferred) muscle should have normal muscle strength (at least M4).Ulnar paralysis has multiple clinical presentations, which are due to partial recovery or to anatomical variations between the ulnar and median nerves. The main sequelae of ulnar nerve paralysis are the loss of hand strength with impairment of all intrinsic functions of the fingers and some of the thumb’s functions. Weakness of the adductor pollicis and flexor pollicis brevis muscles may manifest as weak key pinch with automatic flexion of the thumb interphalangeal joint when gripping. Indications for palliative surgery have decreased due to advances in peripheral nerve surgery. However, palliative surgery still has a significant role to play when nerve repair techniques are not indicated or do not provide satisfactory results. The principle is to reinforce metacarpophalangeal flexion while stabilizing the thumb’s interphalangeal joint, thus supplementing the action of the flexor pollicis brevis. This is generally done by transferring the flexor digitorum superficialis tendon of the fourth finger to the distal insertion of the superficial thenar muscles and the extensor pollicis longus. Restoration of the first dorsal interosseous is more rarely indicated.Neuroblastoma (NB) is the most common extracranial pediatric solid cancer originating from undifferentiated neural crest cells. NB cells express EZH2 and GLI1 genes that are known to maintain the undifferentiated phenotype of cancer stem cells (CSC) in NB. Recent studies suggest that tumor-derived extracellular vesicles (EVs) can regulate the transformation of surrounding cells into CSC by transferring tumor-specific molecules they contain. However, the horizontal transfer of EVs molecules in NB remains largely unknown. We report the analysis of NB-derived EVs in bioengineered models of NB that are based on a collagen 1/hyaluronic acid scaffold designed to mimic the native tumor niche. Using these models, we observed an enrichment of GLI1 and EZH2 mRNAs in NB-derived EVs. As a consequence of the uptake of NB-derived EVs, the host cells increased the expression levels of GLI1 and EZH2. These results suggest the alteration of the expression profile of stromal cells through an EV-based mechanism, and point the GLI1 and EZH2 mRNAs in the EV cargo as diagnostic biomarkers in NB.Cardiorenal syndrome I (CRS-1) denotes a state in which acute kidney injury occurs in the setting of acute heart failure (AHF). (S)-2-Hydroxysuccinic acid research buy Isoproterenol (Iso) administration is widly used as an AHF model by transiently inducing extreme tachycardia, hypotension, and myocyte apoptosis and/or necrosis. To gain potential insights into renal manifestations of CRS-1, mice were subjected to the Iso-AHF model (50 mg Iso/kg), followed by renal functional and renal cortical assessments over 4 hours Iso induced acute azotemia (doubling of BUN, plasma creatinine) and significantly reduced renal plasma flow (prolonged plasma para-amino-hippurate clearance). Although no morphologic tubular injury was identified, marked increases in renal cortical ‘stress markers’ (NGAL, HO-1, IL-6, MCP-1 mRNAs) and oxidant stress (decreased glutathione, increased malondialdehyde) were observed. These changes were catalytic Fe dependent, given that the iron chelator desferrioxamine (DFO) significantly blunted, or completely reversed, these renal cortical abnormalities.