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"Church, Joseph"
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Rock in the musical theatre : a guide for singers
Today's musical theatre world rocks. Now that rock 'n' roll music and its offshoots, including pop, hard rock, rap, r&b, funk, folk, and world-pop music, are the standard language of musical theatre, theatre singers need a source of information on these styles, their origins, and their performance practices. Rock in the Musical Theatre: A Guide for Singers fills this need. Today's musical theatre training programs are now including rock music in their coursework and rock songs and musicals in their repertoires. This is a text for those trainees, courses, and productions. It will also be of great value to working professionals, teachers, music directors, and coaches less familiar with rock styles, or who want to improve their rock-related skills. The author, an experienced music director, vocal coach, and university professor, and an acknowledged expert on rock music in the theatre, examines the many aspects of performing rock music in the theatre and offers practical advice through a combination of aesthetic and theoretical study, extensive discussions of musical, vocal, and acting techniques, and chronicles of coaching sessions. The book also includes advice from working actors, casting directors, and music directors who specialize in rock music for the stage.
Book
Human SNORA31 variations impair cortical neuron-intrinsic immunity to HSV-1 and underlie herpes simplex encephalitis
Herpes simplex virus-1 (HSV-1) encephalitis (HSE) is typically sporadic. Inborn errors of TLR3- and DBR1-mediated central nervous system cell-intrinsic immunity can account for forebrain and brainstem HSE, respectively. We report five unrelated patients with forebrain HSE, each heterozygous for one of four rare variants of SNORA31, encoding a small nucleolar RNA of the H/ACA class that are predicted to direct the isomerization of uridine residues to pseudouridine in small nuclear RNA and ribosomal RNA. We show that CRISPR/Cas9-introduced bi- and monoallelic SNORA31 deletions render human pluripotent stem cell (hPSC)-derived cortical neurons susceptible to HSV-1. Accordingly, SNORA31-mutated patient hPSC-derived cortical neurons are susceptible to HSV-1, like those from TLR3- or STAT1-deficient patients. Exogenous interferon (IFN)-β renders SNORA31- and TLR3- but not STAT1-mutated neurons resistant to HSV-1. Finally, transcriptome analysis of SNORA31-mutated neurons revealed normal responses to TLR3 and IFN-α/β stimulation but abnormal responses to HSV-1. Human SNORA31 thus controls central nervous system neuron-intrinsic immunity to HSV-1 by a distinctive mechanism.
Journal Article
Lentiviral Gene Therapy Combined with Low-Dose Busulfan in Infants with SCID-X1
Eight infants with SCID-X1 had multilineage immune reconstitution after autologous hematopoietic stem-cell transplantation of marrow stem cells transfected with a lentiviral vector containing
IL2RG
cDNA after busulfan conditioning. Previous infections cleared and functional T cells developed in all eight infants, IgM levels normalized in seven, and three had a response to vaccines.
Journal Article
Activating de novo mutations in NFE2L2 encoding NRF2 cause a multisystem disorder
Transcription factor NRF2, encoded by
NFE2L2
, is the master regulator of defense against stress in mammalian cells. Somatic mutations of
NFE2L2
leading to NRF2 accumulation promote cell survival and drug resistance in cancer cells. Here we show that the same mutations as inborn de novo mutations cause an early onset multisystem disorder with failure to thrive, immunodeficiency and neurological symptoms. NRF2 accumulation leads to widespread misregulation of gene expression and an imbalance in cytosolic redox balance. The unique combination of white matter lesions, hypohomocysteinaemia and increased G-6-P-dehydrogenase activity will facilitate early diagnosis and therapeutic intervention of this novel disorder.
The NRF2 transcription factor regulates the response to stress in mammalian cells. Here, the authors show that activating mutations in NRF2, commonly found in cancer cells, are found in four patients with a multisystem disorder characterized by immunodeficiency and neurological symptoms.
Journal Article
The Effect of Maternal Peripartum Anti-TNFα Use on Infant Immune Response
Background
Infliximab (IFX) and adalimumab (ADA) cross the placenta in the third trimester and can be detectable in infants for up to 12 months.
Aim
The aim of this study was to determine whether in utero IFX or ADA exposure results in an impaired immune response in infants, as measured by immunoglobulin levels and antibody responses to routine primary immunizations.
Methods
Infants who were exposed to in utero anti-TNFα agents were prospectively evaluated. Immunoglobulin levels (IgG, IgM, IgA) and antibodies to standard vaccinations, including tetanus toxoid (tetanus) and
Haemophilus influenza type b
(Hib), were measured in infants of at least 6 months of age.
Results
Twelve infants were prospectively studied: 10 exposed to in utero IFX and 2 exposed to ADA with at least one dose administered in the third trimester. Immunoglobulin levels were available on 10/12 patients, with all showing adequate immunoglobulin levels, except for low IgM levels in 5 (50 %) infants. Adequate responses to both the tetanus and Hib vaccines were seen in 11 of 12 (92 %) infants.
Conclusions
Infants exposed to anti-TNFα agents in utero demonstrate appropriate response to two commonly administered neonatal vaccines and show adequate immunoglobulin levels, except for IgM. Newborns with a history of exposure to anti-TNFα agents should follow a standard vaccination schedule for inactive vaccines.
Journal Article
White matter of perinatally HIV infected older youths shows low frequency fluctuations that may reflect glial cycling
In perinatally HIV-infected (PHIV) children, neurodevelopment occurs in the presence of HIV-infection, and even with combination antiretroviral therapy (cART) the brain can be a reservoir for latent HIV. Consequently, patients often demonstrate long-term cognitive deficits and developmental delay, which may be reflected in altered functional brain activity. Our objective was to examine brain function in PHIV on cART by quantifying the amplitude of low frequency fluctuations (ALFF) and regional homogeneity (ReHo). Further, we studied ALFF and ReHo changes with neuropsychological performance and measures of immune health including CD4 count and viral loads in the HIV-infected youths. We found higher ALFF and ReHo in cerebral white matter in the medial orbital lobe for PHIV (
N
= 11, age mean ± sd = 22.5 ± 2.9 years) compared to controls (
N
= 16, age = 22.5 ± 3.0 years), with age and gender as co-variates. Bilateral cerebral white matter showed increased spontaneous regional activity in PHIV compared to healthy controls. No brain regions showed lower ALFF or ReHo in PHIV compared to controls. Higher log10 viral load was associated with higher ALFF and ReHo in PHIV in bilateral cerebral white matter and right cerebral white matter respectively after masking the outcomes intrinsic to the brain regions that showed significantly higher ALFF and ReHo in the PHIV compared to the control. Reductions in social cognition and abstract thinking in PHIV were correlated with higher ALFF at the left cerebral white matter in the left medial orbital gyrus and higher ReHo at the right cerebral white matter in the PHIV patients. Although neuroinflammation and associated neuro repair were not directly measured, the findings support their potential role in PHIV impacting neurodevelopment and cognition.
Journal Article
Cilia defects upon loss of WDR4 are linked to proteasomal hyperactivity and ubiquitin shortage
The WD repeat-containing protein 4 (WDR4) has repeatedly been associated with primary microcephaly, a condition of impaired brain and skull growth. Often, faulty centrosomes cause microcephaly, yet aberrant cilia may also be involved. Here, we show using a combination of approaches in human fibroblasts, zebrafish embryos and patient-derived cells that WDR4 facilitates cilium formation. Molecularly, we associated WDR4 loss-of-function with increased protein synthesis and concomitant upregulation of proteasomal activity, while ubiquitin precursor pools are reduced. Inhibition of proteasomal activity as well as supplementation with free ubiquitin restored normal ciliogenesis. Proteasome inhibition ameliorated microcephaly phenotypes. Thus, we propose that WDR4 loss-of-function impairs head growth and neurogenesis via aberrant cilia formation, initially caused by disturbed protein and ubiquitin homeostasis.
Journal Article
Detrimental NFKB1 missense variants affecting the Rel-homology domain of p105/p50
Most of the currently known heterozygous pathogenic NFKB1 (Nuclear factor kappa B subunit 1) variants comprise deleterious defects such as severe truncations, internal deletions, and frameshift variants. Collectively, these represent the most frequent monogenic cause of common variable immunodeficiency (CVID) identified so far. NFKB1 encodes the transcription factor precursor p105 which undergoes limited proteasomal processing of its C-terminal half to generate the mature NF-κB subunit p50. Whereas p105/p50 haploinsufficiency due to devastating genetic damages and protein loss is a well-known disease mechanism, the pathogenic significance of numerous NFKB1 missense variants still remains uncertain and/or unexplored, due to the unavailability of accurate test procedures to confirm causality. In this study we functionally characterized 47 distinct missense variants residing within the N-terminal domains, thus affecting both proteins, the p105 precursor and the processed p50. Following transient overexpression of EGFP-fused mutant p105 and p50 in HEK293T cells, we used fluorescence microscopy, Western blotting, electrophoretic mobility shift assays (EMSA), and reporter assays to analyze their effects on subcellular localization, protein stability and precursor processing, DNA binding, and on the RelA-dependent target promoter activation, respectively. We found nine missense variants to cause harmful damage with intensified protein decay, while two variants left protein stability unaffected but caused a loss of the DNA-binding activity. Seven of the analyzed single amino acid changes caused ambiguous protein defects and four variants were associated with only minor adverse effects. For 25 variants, test results were indistinguishable from those of the wildtype controls, hence, their pathogenic impact remained elusive. In summary, we show that pathogenic missense variants affecting the Rel-homology domain may cause protein-decaying defects, thus resembling the disease-mechanisms of p105/p50 haploinsufficiency or may cause DNA-binding deficiency. However, rare variants (with a population frequency of less than 0.01%) with minor abnormalities or with neutral tests should still be considered as potentially pathogenic, until suitable tests have approved them being benign.
Journal Article