HUDSON REVIEWPub Date : 2022-10-17DOI: 10.1093/infdis/jiac113
Rafal Butowt, Katarzyna Bilińska, Christopher von Bartheld
{"title":"Why Does the Omicron Variant Largely Spare Olfactory Function? Implications for the Pathogenesis of Anosmia in Coronavirus Disease 2019.","authors":"Rafal Butowt, Katarzyna Bilińska, Christopher von Bartheld","doi":"10.1093/infdis/jiac113","DOIUrl":"10.1093/infdis/jiac113","url":null,"abstract":"<p><p>The omicron variant of severe acute respiratory syndrome coronavirus 2 causes much less olfactory dysfunction than the previous variants. There are several potential mechanisms for how omicron may change tissue tropism and spare olfactory function. The new mutations make omicron more hydrophobic and alkaline than previous variants, which may reduce penetration of the mucus layer. Overall, the new mutations minimally change receptor binding affinity, but entry efficiency into host cells is reduced in cells expressing transmembrane serine protease 2 (TMPRSS2). Because the support cells in the olfactory epithelium abundantly express TMPRSS2, these main target cells in the olfactory epithelium may become infected less by the new omicron variant.</p>","PeriodicalId":42617,"journal":{"name":"HUDSON REVIEW","volume":"53 1","pages":"1304-1308"},"PeriodicalIF":0.0,"publicationDate":"2022-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9129133/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90438604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"文学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HUDSON REVIEWPub Date : 2017-01-01DOI: 10.1093/ml/xxxii.4.401-c
J. Greening
{"title":"To a Lost Friend","authors":"J. Greening","doi":"10.1093/ml/xxxii.4.401-c","DOIUrl":"https://doi.org/10.1093/ml/xxxii.4.401-c","url":null,"abstract":"","PeriodicalId":42617,"journal":{"name":"HUDSON REVIEW","volume":"69 1","pages":"581"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/ml/xxxii.4.401-c","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"61112294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"文学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HUDSON REVIEWPub Date : 2014-01-01Epub Date: 2014-06-11DOI: 10.1155/2014/317980
Mathias Zink
{"title":"Comorbid Obsessive-Compulsive Symptoms in Schizophrenia: Insight into Pathomechanisms Facilitates Treatment.","authors":"Mathias Zink","doi":"10.1155/2014/317980","DOIUrl":"10.1155/2014/317980","url":null,"abstract":"<p><p>Insight into the biological pathomechanism of a clinical syndrome facilitates the development of effective interventions. This paper applies this perspective to the important clinical problem of obsessive-compulsive symptoms (OCS) occurring during the lifetime diagnosis of schizophrenia. Up to 25% of schizophrenia patients suffer from OCS and about 12% fulfil the diagnostic criteria of obsessive-compulsive disorder (OCD). This is accompanied by marked subjective burden of disease, high levels of anxiety, depression and suicidality, increased neurocognitive impairment, less favourable levels of social and vocational functioning, and greater service utilization. Comorbid patients can be assigned to heterogeneous subgroups. It is assumed that second generation antipsychotics (SGAs), most importantly clozapine, might aggravate or even induce second-onset OCS. Several epidemiological and pharmacological arguments support this assumption. Specific genetic risk factors seem to dispose patients with schizophrenia to develop OCS and risk-conferring polymorphisms has been defined in SLC1A1, BDNF, DLGAP3, and GRIN2B and in interactions between these individual genes. Further research is needed with detailed characterization of large samples. In particular interactions between genetic risk constellations, pharmacological and psychosocial factors should be analysed. Results will further define homogeneous subgroups, which are in need for differential causative interventions. In clinical practise, schizophrenia patients should be carefully monitored for OCS, starting with at-risk mental states of psychosis and longitudinal follow-ups, hopefully leading to the development of multimodal therapeutic interventions. </p>","PeriodicalId":42617,"journal":{"name":"HUDSON REVIEW","volume":"49 1","pages":"317980"},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4590963/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90422412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"文学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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