204 research outputs found

    With respect to Zulu : revisiting ukuHlonipha

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    Abstract: Hlonipho is a form of respectful behavior, widespread in southern Africa. Its linguistic manifestation has often been interpreted as a “traditional” verbal taboo, whereby married women must avoid uttering the father-inlaw’s name. The practice of (uku)hlonipha is not only verbal, however. Its fundamentally somatic meaning—covering, avoiding, and suppressing affect—applies broadly to bodily comportment, clothing, and the physical activity of speaking. The linguistic practice of (isi)hlonipha is itself somatic, we argue, in a Zulu ideology of language as voice. Ukuhlonipha is best understood, we propose, in terms of a semiotic economy that contrasts it with another genre of honorification, the celebratory, exuberant, and expansive practice of (uku)bonga, praise-performance. Bonga is the inverse of hlonipha, and the two are joined in a broader sense of respect and honorific practice. These two genres have been discussed separately in the literature, which also largely assigns them to gendered domains: hlonipha to women and domestic settings, bonga to men and public settings. Combining ethnographic fieldwork with the historical archive, we show that the gender stereotyping—though interesting—overlooks important ways in which each practice can be, and historically has been, done by the other gender. Finally, we explore present-day mediations of voice via mobile phones and radio broadcasting. Hlonipha, broadly conceived as “respect,” is part of “doing and being Zulu” in a multicultural and..

    The role of the CCN family of proteins in blood cancers

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    Haematopoiesis is the term used to describe the production of blood cells. This is a tightly regulated hierarchical system in which mature circulating blood cells develop from a small population of haematopoietic stem (HSC) and progenitor cells within the microenvironment of the bone marrow. Molecular and genetic abnormalities arising in these stem cells lead to a block in the normal programme of proliferation and differentiation and result in the development of the blood cancers known as the leukaemias and lymphomas. Recently the regulatory role of the bone marrow microenvironment or niche has also become increasingly recognised. The interface between the bone and bone marrow (endosteum) and the region surrounding the blood vessels (perivascular) provide distinct niches harbouring quiescent HSC or proliferative HSC respectively. Current chemotherapeutic regimes can often successfully target the proliferative HSC but disease relapse occurs due to residual quiescent HSC. Understanding these developmental and regulatory processes and the associated cell communication mechanisms are thus crucial to the development of new treatment strategies. The CCN family of proteins have been recognised to play a key role in all aspects of haematopoiesis

    Reorganizing The Social Organization: Collaborative Editing, Museum Collections, Indigenous Knowledges, and the Franz Boas/George Hunt Archives

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    Franz Boas's 1897 report, The Social Organization and the Secret Societies of the Kwakiutl Indians, was a landmark in anthropology for its integrative approach to museum collections, photographs, and sound recordings as well as text. A result of participant observation and extensive collaboration with Indigenous partners—especially George Hunt—the book set a standard for both ethnography and museum practice. However, both Boas and Hunt remained dissatisfied with the published text, laboring for decades to correct and supplement a volume that would forever mediate global knowledge of the Kwakwaka’wakw people of British Columbia. They left behind a vast archive of unpublished materials relevant to the creation and afterlife of this groundbreaking text and its related museum collections. These materials are now widely distributed across institutional, disciplinary, and international borders. This paper will discuss an ongoing collaborative project to create a multimedia, web-based critical edition of the book that reassembles published and unpublished materials as well as Kwakwaka’wakw knowledge. Archival revelations about the truly co-authored nature of the original text allow us to better situate the contexts and methods of creating ethnographic knowledge in relation to the Indigenous ontologies that The Social Organization purports to represent. Moreover, the edition seeks to demonstrate ways in which digital technologies can harness multimedia to return sensory richness to Boas and Hunt’s synthetic text, to reactivate disparate and long dormant museum collections, and to restore cultural patrimony to its Indigenous inheritors

    Introducing dip pen nanolithography as a tool for controlling stem cell behaviour: unlocking the potential of the next generation of smart materials in regenerative medicine (vol 10, pg 1662, 2010)

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    Correction for ‘Introducing dip pen nanolithography as a tool for controlling stem cell behaviour: unlocking the potential of the next generation of smart materials in regenerative medicine’ by Judith M. Curran et al., Lab Chip, 2010, 10, 1662–1670.</p

    The effects of nitroxyl (HNO) on soluble guanylate cyclase activity: interactions at ferrous heme and cysteine thiols

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    It has been previously proposed that nitric oxide (NO) is the only biologically relevant nitrogen oxide capable of activating the enzyme soluble guanylate cyclase (sGC). However, recent reports implicate HNO as another possible activator of sGC. Herein, we examine the affect of HNO donors on the activity of purified bovine lung sGC and find that, indeed, HNO is capable of activating this enzyme. Like NO, HNO activation appears to occur via interaction with the regulatory ferrous heme on sGC. Somewhat unexpectedly, HNO does not activate the ferric form of the enzyme. Finally, HNO-mediated cysteine thiol modification appears to also affect enzyme activity leading to inhibition. Thus, sGC activity can be regulated by HNO via interactions at both the regulatory heme and cysteine thiols

    Contextual factors and programme theories associated with implementing blue prescription programmes: a systematic realist review

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    Nature-based social prescribing such as “blue prescription” promotes public health and health improvement of individuals with long-term health conditions. However, there is limited evidence explaining the relationship of contexts, mechanisms, and outcomes of implementing blue prescription programmes (BPPs) in health and social care settings that could inform policy and practice. We conducted a systematic realist review by searching PubMed, Web of Science, PsycInfo, Scopus, MEDLINE, and CINAHL for articles published in English between January 2000 and June 2022 about health and social care professionals providing referral to or prescription of blue space activities (e.g., swimming, fishing, surfing, etc.) with health-related outcomes. Components and descriptions of BPP implementation were extracted and used to develop themes of contextual factors used to develop programme theories and a logic model demonstrating the mechanisms of BPP implementation. Sixteen studies with adequate to strong quality were included from 8,619 records. After participating in BPPs referred to or prescribed by health and social care professionals, service users had improvements in their physical, cognitive (mental), social health, and proenvironmental knowledge. Service user-related contextual factors were referral information, free equipment, transportation, social support, blue space environments, and skills of service providers. Programme-related contextual factors were communication, multistakeholder collaboration, financing, and adequate service providers. Programme theories on service user enrolment, engagement, adherence, communication protocols, and programme sustainability explain the mechanisms of BPP implementation. BPPs could promote health and wellbeing if contextual factors and programme theories associated with service users’ characteristics and programme delivery are considered in the design, delivery, and evaluation of BPPs. Our study was registered with PROSPERO (CRD42020170660)

    Are there interactional differences between telephone and face-to-face psychological therapy? : A systematic review of comparative studies

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    Background Despite comparable clinical outcomes, therapists and patients express reservations about the delivery of psychological therapy by telephone. These concerns centre around the quality of the therapeutic relationship and the ability to exercise professional skill and judgement in the absence of visual cues. However, the empirical evidence base for such perceptions has not been clearly established. Methods We conducted a systematic review to establish what is known empirically about interactional differences between psychotherapeutic encounters conducted face-to-face vs. by telephone. Results The review identified 15 studies that used situated, comparative approaches to exploring interactional aspects of telephone and face-to-face psychological therapy. These studies revealed evidence of little difference between modes in terms of therapeutic alliance, disclosure, empathy, attentiveness or participation. However, telephone therapy sessions were significantly shorter than those conducted face-to-face. Limitations We identified only a small number of heterogeneous studies, many of which used non-randomised, opportunity samples and did not use validated measures to assess the constructs under investigation. Disparate therapeutic modalities were used across studies and samples included both clinically diagnosed and non-clinical populations. Conclusions Available evidence suggests a lack of support for the viewpoint that the telephone has a detrimental effect on interactional aspects of psychological therapy. The challenge for clinical practice is to translate this evidence into a change in practitioner and patient attitudes and behaviours. In order to do so, it is important to understand and address the breadth of factors that underpin ongoing ambivalence towards the telephone mode, which pose a barrier to wider implementation
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