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Fulltext Consumer perception of the health care services in Yemen and its impact on self-medication practice

Sami Mohammed Albawani, Yahaya Hassan, Noorizan Abd-Aziz, Shubashini Gnanasan

Malaysian Journal of Public Health Medicine, 2017;17(2):90-95.

Community pharmacists are expected to have the necessary knowledge to give advice on safe and appropriate drug use during self-medication. However, the profession of pharmacist in Yemen has become less trustworthy and less reliable. In addition, quality of medication has been raising a lot of questions among consumers and fake medications have been entering the country without quality control checks. The aim of this study was to determine the consumer perception of health care services provided and its impact on self-medication practice in Sana’a city, Yemen. A self-administered questionnaire containing open-ended and closed-ended questions was developed and distributed among 400 consumers attending 10 community pharmacies in Sana’a City. All data obtained from the questionnaires were coded, entered, and analysed using Chi-square test and multiple logistic regressions. Prevalence of self-medication was found to be 90.7 %. The majority of respondents stated that they do not trust the health care services provided by physician (68.8%), community drug dispensers (78.2%), Ministry of Health (70.5%) or the quality of medicine dispensed by community pharmacies (59.7%). The trust of health care services provided by physicians and community drug dispensers were found to be significant predictors of self-medication practice. Those who did not trust health care services provided by physicians were more likely to use self-medication compared to those who did not (OR= 21.212, CI 95% 2.678-168.001, p= 0.004). Those who did not trust health care services provided by community drug dispensers were more likely to use self-medication compared to those who did not (OR= 2.746, CI 95% 1.048-7.195, p= 0.04). Consumers in Sana’a City have a negative overall perception of the services provided by community drug dispensers, physician and Ministry of Health and the quality of medication. An urgent intervention from health care authorities to adopt and to implement a new national drug policy with necessary laws and regulations is needed.
Fulltext Proteomes, kinases and signalling pathways in virus-induced filopodia, as potential antiviral therapeutics targets

Aliyu IA, Kumurya AS, Bala JA, Yahaya H, Saidu H

Rev Med Virol, 2021 Sep;31(5):1-9.
PMID: 33314425 DOI: 10.1002/rmv.2202

Filopodia are thin finger-like protrusions at the surface of cells that are internally occupied with bundles of tightly parallel actin filaments. They play significant roles in cellular physiological processes, such as adhesion to extracellular matrix, guidance towards chemo-attractants and in wound healing. Filopodia were recently reported to play important roles in viral infection including initial viral attachment to host cells, cell surfing, viral trafficking, internalization, budding, virus release and spread to other cells in a form that would avoid the host immune system. The detailed virus-host protein interactions underlying most of these processes remain to be elucidated. This review will describe some reported virus-host protein interactions on filopodia with the aim of identifying potential new anti-virus therapeutic targets. Exploring this research area may lead to the development of novel classes of anti-viral therapeutics that can block signalling pathways used by the virus to trigger filopodia formation. Successful compounds would inhibit initial virus attachment, formation of filopodia, expression of putative virus binding protein, extracellular virus trafficking, and budding.
Fulltext Transcriptomic and proteomic profiling revealed reprogramming of carbon metabolism in acetate-grown human pathogen Candida glabrata

Chew SY, Brown AJP, Lau BYC, Cheah YK, Ho KL, Sandai D, et al.

J Biomed Sci, 2021 Jan 02;28(1):1.
PMID: 33388061 DOI: 10.1186/s12929-020-00700-8

BACKGROUND: Emergence of Candida glabrata, which causes potential life-threatening invasive candidiasis, has been widely associated with high morbidity and mortality. In order to cause disease in vivo, a robust and highly efficient metabolic adaptation is crucial for the survival of this fungal pathogen in human host. In fact, reprogramming of the carbon metabolism is believed to be indispensable for phagocytosed C. glabrata within glucose deprivation condition during infection.
METHODS: In this study, the metabolic responses of C. glabrata under acetate growth condition was explored using high-throughput transcriptomic and proteomic approaches.
RESULTS: Collectively, a total of 1482 transcripts (26.96%) and 242 proteins (24.69%) were significantly up- or down-regulated. Both transcriptome and proteome data revealed that the regulation of alternative carbon metabolism in C. glabrata resembled other fungal pathogens such as Candida albicans and Cryptococcus neoformans, with up-regulation of many proteins and transcripts from the glyoxylate cycle and gluconeogenesis, namely isocitrate lyase (ICL1), malate synthase (MLS1), phosphoenolpyruvate carboxykinase (PCK1) and fructose 1,6-biphosphatase (FBP1). In the absence of glucose, C. glabrata shifted its metabolism from glucose catabolism to anabolism of glucose intermediates from the available carbon source. This observation essentially suggests that the glyoxylate cycle and gluconeogenesis are potentially critical for the survival of phagocytosed C. glabrata within the glucose-deficient macrophages.
CONCLUSION: Here, we presented the first global metabolic responses of C. glabrata to alternative carbon source using transcriptomic and proteomic approaches. These findings implicated that reprogramming of the alternative carbon metabolism during glucose deprivation could enhance the survival and persistence of C. glabrata within the host.

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