17 research outputs found
Subcutaneous peginterferon β-1a injection-site reaction experience and mitigation: Delphi analysis of the ALLOW study
AIM: The objective of this Delphi analysis was to obtain consensus on injection-site reaction (ISR) experience and mitigation strategies for patients with relapsing-remitting multiple sclerosis switching from nonpegylated interferons (IFNs) to peginterferon β-1a in the ALLOW Phase IIIb trial using a three-step approach.
METHODS: Study investigators and coordinators from investigative sites enrolling four or more patients in ALLOW participated in three rounds of questionnaires and interviews.
RESULTS: Respondents (n = 37) agreed that the most common ISR, erythema, was not disruptive to daily activities. Patient education, as a conversation with a clinician about ISR potential, was recommended.
CONCLUSION: The consensus of Delphi respondents on ISR experience and ISR management after switching from nonpegylated IFNs to peginterferon β-1a can help inform treatment decisions and manage patient expectations
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Neuronal vulnerability and multilineage diversity in multiple sclerosis.
Multiple sclerosis (MS) is a neuroinflammatory disease with a relapsing-remitting disease course at early stages, distinct lesion characteristics in cortical grey versus subcortical white matter and neurodegeneration at chronic stages. Here we used single-nucleus RNA sequencing to assess changes in expression in multiple cell lineages in MS lesions and validated the results using multiplex in situ hybridization. We found selective vulnerability and loss of excitatory CUX2-expressing projection neurons in upper-cortical layers underlying meningeal inflammation; such MS neuron populations exhibited upregulation of stress pathway genes and long non-coding RNAs. Signatures of stressed oligodendrocytes, reactive astrocytes and activated microglia mapped most strongly to the rim of MS plaques. Notably, single-nucleus RNA sequencing identified phagocytosing microglia and/or macrophages by their ingestion and perinuclear import of myelin transcripts, confirmed by functional mouse and human culture assays. Our findings indicate lineage- and region-specific transcriptomic changes associated with selective cortical neuron damage and glial activation contributing to progression of MS lesions.Includes NIHR, ERC and Wellcome Trust
Molecular mechanisms of cell death: recommendations of the Nomenclature Committee on Cell Death 2018.
Over the past decade, the Nomenclature Committee on Cell Death (NCCD) has formulated guidelines for the definition and interpretation of cell death from morphological, biochemical, and functional perspectives. Since the field continues to expand and novel mechanisms that orchestrate multiple cell death pathways are unveiled, we propose an updated classification of cell death subroutines focusing on mechanistic and essential (as opposed to correlative and dispensable) aspects of the process. As we provide molecularly oriented definitions of terms including intrinsic apoptosis, extrinsic apoptosis, mitochondrial permeability transition (MPT)-driven necrosis, necroptosis, ferroptosis, pyroptosis, parthanatos, entotic cell death, NETotic cell death, lysosome-dependent cell death, autophagy-dependent cell death, immunogenic cell death, cellular senescence, and mitotic catastrophe, we discuss the utility of neologisms that refer to highly specialized instances of these processes. The mission of the NCCD is to provide a widely accepted nomenclature on cell death in support of the continued development of the field
Subcutaneous peginterferon β-1a injection-site reaction experience and mitigation: Delphi analysis of the ALLOW study
AIM: The objective of this Delphi analysis was to obtain consensus on injection-site reaction (ISR) experience and mitigation strategies for patients with relapsing-remitting multiple sclerosis switching from nonpegylated interferons (IFNs) to peginterferon β-1a in the ALLOW Phase IIIb trial using a three-step approach.
METHODS: Study investigators and coordinators from investigative sites enrolling four or more patients in ALLOW participated in three rounds of questionnaires and interviews.
RESULTS: Respondents (n = 37) agreed that the most common ISR, erythema, was not disruptive to daily activities. Patient education, as a conversation with a clinician about ISR potential, was recommended.
CONCLUSION: The consensus of Delphi respondents on ISR experience and ISR management after switching from nonpegylated IFNs to peginterferon β-1a can help inform treatment decisions and manage patient expectations