Several COVID-19 vaccines, some more efficacious than others, are now available and deployed, including multiple mRNA- and viral vector-based vaccines. With the focus on creating cost-effective solutions that can reach the low- and medium- income world, GreenLight Biosciences has developed an mRNA vaccine candidate, GLB-COV2-043, encoding for the full-length SARS-CoV-2 Wuhan wild-type spike protein. In pre-clinical studies in mice, GLB-COV2-043 induced robust antigen-specific binding and virus-neutralizing antibody responses targeting homologous and heterologous SARS-CoV-2 variants and a T1-biased immune response.
View Article and Find Full Text PDFMolecular therapies exploiting mRNA vectors embody enormous potential, as evidenced by the utility of this technology for the context of the COVID-19 pandemic. Nonetheless, broad implementation of these promising strategies has been restricted by the limited repertoires of delivery vehicles capable of mRNA transport. On this basis, we explored a strategy based on exploiting the well characterized entry biology of adenovirus.
View Article and Find Full Text PDFBackground: In the literature, there are few papers on long-term results after brace treatment and there is no consensus on whether scoliotic curves stop progressing at skeletal maturity. To date the factors that could influence curve behaviour following bracing have not been fully determined.
Aim: The aim of this study was to evaluate the results and the loss of the scoliotic curve correction in a cohort of patients treated with Progressive Action Short Brace (PASB) brace during adolescence and to compare patient outcomes of under and over 30 Cobb degrees 10 years after brace removal.
Background: The recent literature showed positive results for bracing of patients with idiopathic scoliosis above 45° who refused surgery. However, no one has investigated whether other parameters can affect the results.
Aim: The aim of this study was to evaluate the effectiveness of bracing in idiopathic scoliosis with curves above 40° and to verify the mechanical and biological parameters which go beyond the simple bend value expressed in Cobb degrees.
Background: The factors influencing curve behavior following bracing are incompletely understood and there is no agreement if scoliotic curves stop progressing with skeletal maturity. The aim of this study was to evaluate the loss of the scoliotic curve correction in patients treated with bracing during adolescence and to compare patient outcomes of under and over 30 Cobb degrees, 10 years after brace removal.
Methods: We reviewed 93 (87 female) of 200 and nine patients with adolescent idiopathic scoliosis (AIS) who were treated with the Lyon or PASB brace at a mean of 15 years (range 10-35).
Background: The Lyon brace is commonly prescribed in many European countries to patients with thoracic curves and is based on the three-point pressure system. The purpose of this study was to evaluate the efficacy of Lyon bracing for the conservative treatment of adolescent females with idiopathic thoracic curves in a case series selected on the basis of the Scoliosis Research Society (SRS) Committee on Bracing and Nonoperative Management Standardization Criteria and followed the guidelines on management of idiopathic scoliosis with corrective braces, proposed by the International Society on Scoliosis Orthopaedic and Rehabilitation Treatment (SOSORT).
Methods: Prospective study based on an ongoing database.
Background: The Juvenile idiopathic scoliosis by age of onset, severity and evolutivity is source of great doubts concerning the purpose and use of conservative treatment. The different clinical experiences leave unsolved the question that arises in applying a conservative treatment when the patients are effectively forward a long growing period, in scoliosis characterized by inevitable evolutivity. The purpose of the present prospective study was to determine the effectiveness of conservative treatment in Juvenile idiopathic scoliosis.
View Article and Find Full Text PDFStud Health Technol Inform
September 2012
Cushing's Syndrome (CS) is rare in adolescence but the pathological effects of excessive circulating glucocorticoids concentration on bone during the developmental age still represent a challenge for orthopedists. Only few reports describe the gravity of early developed damages of spine in young affected by CS. A 18-years-old woman suffering from Cushing's Disease presented after many years treatment of the primary disease referring severe back pain and worsening back deformity.
View Article and Find Full Text PDFStudy Design: A prospective interventional study.
Objective: To determine the outcomes of adolescents affected by idiopathic lumbar scoliosis treated with a progressive action short brace (PASB).
Summary Of Background Data: The efficacy of conservative treatment of scoliosis is still debated.
Background: The International Scientific Society on Scoliosis Orthopaedic and Rehabilitation Treatment (SOSORT), that produced its first Guidelines in 2005, felt the need to revise them and increase their scientific quality. The aim is to offer to all professionals and their patients an evidence-based updated review of the actual evidence on conservative treatment of idiopathic scoliosis (CTIS).
Methods: All types of professionals (specialty physicians, and allied health professionals) engaged in CTIS have been involved together with a methodologist and a patient representative.
Study Design: Prospective study in 150 consecutive outpatients affected by adolescent idiopathic scoliosis (AIS).
Objectives: The purposes were to (1) identify a correlation between hump dimensions and the severity of scoliotic curve, and (2) evaluate how the treatment influenced the main parameters of scoliosis.
Summary Of Background Data: The existence of a relationship between clinical deformities and curve severity in AIS is still debated.
The rheological properties of the environment in which a cell lives play a key role in how the cells will respond to that environment and may modify cell proliferation, morphology and differentiation. Effective means of modifying these properties are needed, particularly for peptide hydrogels which are generally relatively weak and soft. In this report we describe the enzymatic cross-linking of a nanofibrous multidomain peptide hydrogel.
View Article and Find Full Text PDFIntroduction And Objectives: Physical deformities caused by adolescent idiopathic scoliosis (AIS) coupled with conservative treatment of AIS with orthesis unavoidably impacts on patients' quality of life (QoL). The present study aimed at evaluating the QoL in patients affected by AIS treated with brace. The study also sought to determine the ability of different QoL questionnaires to monitor QoL over the course of treatment.
View Article and Find Full Text PDFUnlabelled: : Thoracic hyperkyphosis is a frequent problem and can impact greatly on patient's quality of life during adolescence. This condition can be idiopathic or secondary to Scheuermann disease, a disease disturbing vertebral growth. To date, there is no sound scientific data available on the management of this condition.
View Article and Find Full Text PDFSarcopenia, the age-related decline in muscle mass and function, represents a significant health issue due to the high prevalence of frailty and disability associated with this condition. Nevertheless, the cellular mechanisms responsible for the loss of muscle mass in old age are still largely unknown. An altered regulation of myocyte apoptosis has recently emerged as a possible contributor to the pathogenesis of sarcopenia.
View Article and Find Full Text PDFMultidomain peptides are a class of amphiphilic self-assembling peptides with a modular ABA block motif in which the amphiphilic B block drives self-assembly while the flanking A blocks, which are electrostatically charged, control the conditions under which assembly takes place. Previously we have shown that careful selection of the amino acids in the A and B blocks allow one to control the self-assembled fiber length and viscoelastic properties of formed hydrogels. Here we demonstrate how the modular nature of this peptide assembler can be designed for biological applications.
View Article and Find Full Text PDFBackground: The effectiveness of conservative treatment of scoliosis is controversial. Some studies suggest that brace is effective in stopping curve progression, whilst others did not report such an effect.The purpose of the present study was to effectiveness of Progressive Action Short Brace (PASB) in the correction of thoraco-lumbar curves, in agreement with the Scoliosis Research Society (SRS) Committee on Bracing and Nonoperative Management Standardisation Criteria.
View Article and Find Full Text PDFAn important goal in supramolecular chemistry is to achieve controlled self-assembly of molecules into well-defined nanostructures and the subsequent control over macroscopic properties resulting from the formation of a nanostructured material. Particularly important to our lab is control over viscoelasticity and bioactivity. Recently we described a multidomain peptide motif that can self-assemble into nanofibers 2 x 6 x 120 nm.
View Article and Find Full Text PDFWe present a series of short, multidomain peptides as biocompatible solubilizing agents of single-walled carbon nanotubes (SWCNTs). These peptides are organized into an ABA block motif, where the A block is composed of charged amino acids, such as glutamic acid, and the B block is composed of alternating hydrophilic and hydrophobic residues. The hydrophobic amino acid residues interact with SWCNT sidewalls, while the hydrophilic residues interact primarily with water in an aqueous solution.
View Article and Find Full Text PDFHOX genes encode conserved transcription factors that control the morphological diversification along the anteroposterior body axis. HOX proteins bind to DNA through a highly conserved 60 amino acid sequence called the homeodomain, and greater DNA binding specificity and stability are achieved when it forms complexes with cofactors such as PBX and MEIS in humans. In particular, HOX proteins from paralog groups 1-8, interact with PBX proteins via a specific and highly conserved hydrophobic six amino acid sequence localized in the N-terminal region of HOX.
View Article and Find Full Text PDFStudy Design: Case-control study.
Objective: As inflammation plays a key role in the etiology of intervertebral disc degeneration, we suggest a possible contribution of pro-inflammatory gene polymorphisms in the pathogenesis of adolescent idiopathic scoliosis (AIS).
Summary Of Background Data: The nucleus pulposus of scoliotic discs responds to exogenous stimuli by secreting interleukin-6 (IL-6) and other inflammatory cytokines.
A series of nine, frustrated, multidomain peptides is described in which forces favoring self-assembly into a nanofiber versus those favoring disassembly could be easily modified. The peptides are organized into an ABA block motif in which the central B block is composed of alternating hydrophilic and hydrophobic amino acids (glutamine and leucine, respectively). This alternation allows the amino acid side chains to segregate on opposite sides of the peptide backbone when it is in a fully extended beta-sheet conformation.
View Article and Find Full Text PDFActa Neurochir (Wien)
March 2007
Background: We evaluated a sample of 28 patients surgically treated for lumbar stenosis (LS) four years after the first evaluation (length of the first follow-up mean 44.6 months, range 15-88) in order to evaluate the long-term follow-up of Quality of Life (QoL) after surgical treatment as LS may greatly impair the patients' QoL. We previously assessed QoL in 30 patients operated on for LS four years before, by performing a retrospective follow-up through the Short-Form 36 Health Survey (SF-36).
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