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no abstract available.
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Coronavirus disease 2019 (COVID-19) is a new emerging pandemic, which has so far infected more than 20 million people throughout the world. Typically, this infection is transmitted from humans to humans via respiratory contact. However, the possibility that COVID-19 might be transmitted via atypical modes of transmission is an important public health consideration. In this short review article, the author summarizes and discusses the data on atypical modes of COVID-19 transmission. Based on the available data, it seems that there is still no evidence that COVID-19 can be transmitted via atypical modes of transmission.
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Coronavirus disease 2019 (COVID-19) is a new emerging pandemic, which has so far infected more than 20 million people throughout the world. Typically, this infection is transmitted from humans to humans via respiratory contact. However, the possibility that COVID-19 might be transmitted via atypical modes of transmission is an important public health consideration. In this short review article, the author summarizes and discusses the data on atypical modes of COVID-19 transmission. Based on the available data, it seems that there is still no evidence that COVID-19 can be transmitted via atypical modes of transmission.
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Sofosbuvir is a new antiviral drug that has been recommended for management of hepatitis C virus (HCV) for a few years. New researches support that sofosbuvir might be useful for the management of Zika virus infection. Based on the pharmacological activity, inhibiting the HCV RNA-dependent RNA polymerase (RdRp or NS5 protein), sofosbuvir is proposed for its effectiveness against Zika virus infection. Here, the authors used a mathematical modelling theoretical approach to predict the expected dosage of sofosbuvir for inhibiting Zika virus infection. Based on the modeling study, if sofosbuvir is assigned for management of Zika virus infection, doubled dosage of the present dosage for hepatitis C management is recommended.
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Sofosbuvir is a new antiviral drug that has been recommended for management of hepatitis C virus (HCV) for a few years. New researches support that sofosbuvir might be useful for the management of Zika virus infection. Based on the pharmacological activity, inhibiting the HCV RNA-dependent RNA polymerase (RdRp or NS5 protein), sofosbuvir is proposed for its effectiveness against Zika virus infection. Here, the authors used a mathematical modelling theoretical approach to predict the expected dosage of sofosbuvir for inhibiting Zika virus infection. Based on the modeling study, if sofosbuvir is assigned for management of Zika virus infection, doubled dosage of the present dosage for hepatitis C management is recommended.
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Zika virus infection is a new problematic virus infection that becomes the present public health problem. Now this mosquito borne infectious disease can be seen worldwide and can cause dengue-like infection. In addition, it can also induce transplacental infection and result in congenital neurological defect. To prevent this infection, there is still no specific vaccine. To find a new vaccine, finding epitope is the first step. Here, the authors report the study to find epitope within Zika virus molecule. According to this study, the appropriate epitopes can be seen. This is the first world report on epitope finding for Zika virus. The data can be useful for further vaccine development.
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Malaria is an important tropical mosquito borne infection. It is still the present global public health issue. The management of malaria requires antimalarial drugs. The resistance to antimalarial drugs is a very big problem. The genetic variant is proposed to be an important factor affecting susceptibility to antimalarial drug. Here, the authors studied the change in molecular weight due to important pfatp6 and pfmdr1 polymorphisms and further implied the interrelationship with susceptibility to antimalarial drug. The greatest change can be seen in case of G639D (of pfatp6 polymorphism) while the least change can be seen in the case of N1042D (of pfmdr1 polymorphism). The results from some studies imply that there must be other factors that affect the susceptibility to antimalarial drugs. Those factors might be protein conformation factors, epigenetic factors or environmental factors. Further studies on these aspects should be carried out. It is concluded for possible role of epigenetic phenomenon.
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Cholera is a well-known gastrointestinal infection. The cholera toxin is an important pathological substance in pathogenesis of cholera diarrhea. Cholera toxin is composed of catalytic A1 subunit, an A2 linker, and a homopentameric cell-binding B subunit. In enterocyte, cholera toxin will attach to GM1 ganglioside receptors on the apical membrane and causes retrograde vesicular trafficking to endoplasmic reticulum. At endoplasmic reticulum, cholera toxin A1 is released from the rest of the toxin into cytoplasm. The cholera toxin A1 interacts will catalyze ADP ribosylation of subunits of stimulatory G protein resulting a persistent activation of adenylate cyclase and an elevation of intracellular cAMP which further result in diarrhea. The single alanine substitutional mutation can result in the reduction of the interaction activity between cholera toxin A1 and stimulatory G protein. In this study, the four well-known mutations, H55, R67, L71, S78, or D109, of cholera toxin A1 is focused. The author hereby calculates for the reaction energy for the reaction between cholera toxin A1 and stimulatory G protein in naïve case and mutated case. To calculate, the standard bonding energy calculation technique in mutation analysis was used. It can be seen that aberrant in reaction energy in each studied mutation is different and can imply the different effect on activity with stimulatory G protein.
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The non-structural protein 1 is an important molecule of the viruses in flavivirus group including to Zika virus. Recently, the NS1 of Zika virus was discovered. There is still no complete information of the molecular interaction of NS1 of Zika virus which can be the clue for explanation for its pathogenesis and further drug search. Here the authors report the cleft analysis of NS1 of Zika virus and the result can be useful for future development of good diagnostic tool and antiviral drug finding for management of Zika virus.
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We read with interest the article "The Impact of Integrating Oral Health Education into a Medical Curriculum," and we found it very interesting how Park et al. [ 1 ] noted that "the oral health education session contributed to an increase in student awareness and understanding of oral health." Indeed, oral and dental problems are commonly seen in daily general medical practice. A number of patients come to see the physician with dental and oral complaints, and if the general medical practitioner lacks oral knowledge, he/she might not correctly give the patients correct instruction. In Thailand, dental skills are a part of the required skills for newly graduated physicians. During medical study, students have to take a course in basic dental care [such as dental extraction]. In the present report, Park et al. assessed only the concern or knowledge, but did not assess the exact skill of the students. Indeed, the ability to assess oral and dental problems by general practitioners has been pointed out previously [2]. Since the oral realm is an important part of human beings, a physician who provides holistic care should have a good basic skills regarding oral health.
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Educación en Salud , Curriculum , ConcienciaciónRESUMEN
OBJECTIVES: Zika virus currently poses a global threat and is a major public health issue throughout Latin America and the Caribbean. However, Zika virus infections in humans have also been observed in other regions, including Southeast Asia, where arboviral diseases are very common. In this study, we summarize the current status of Zika virus in Southeast Asia. This review aims to provide an overview of the current situation and also to suggest ways of adequately managing the emergence of Zika virus in Southeast Asia. METHODS: The literature searching for the reports on Zika virus in Southeast Asia was done using standard database PubMed and the re-analysis and summarization on the reports was done. RESULTS: A limited number of reports have addressed Zika virus disease in Southeast Asia, but it is has been confirmed that a problem already exists. Individual case reports and outbreaks of Zika virus have been confirmed in Southeast Asia. Several reports have also described patients becoming infected after visiting Southeast Asia. In addition, the concurrent circulation of Zika virus with other arboviruses has been confirmed. CONCLUSIONS: As a tropical region with a high prevalence of arboviral diseases, the emergence of Zika virus in Southeast Asia is a major concern. It is essential for local medical personnel to recognize this disease. Given the status of Southeast Asia as a globally important tourist destination, continuous updates on the status of Zika virus in Southeast Asia are required and should be incorporated into global health advisories regarding travel.