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BAR-domain proteins and host membrane remodeling in bacterial invasion 细菌入侵过程中BAR结构域蛋白与宿主膜重构
Faculty reviews Pub Date : 2023-06-23 DOI: 10.12703/r/12-15
Lisa Sanchez, Camila Valenzuela, J. Enninga
{"title":"BAR-domain proteins and host membrane remodeling in bacterial invasion","authors":"Lisa Sanchez, Camila Valenzuela, J. Enninga","doi":"10.12703/r/12-15","DOIUrl":"https://doi.org/10.12703/r/12-15","url":null,"abstract":"Membrane remodeling of targeted host cells is a necessary action for successful bacterial subversion of the host. This includes the formation of membrane ruffles for pathogen entry or the reprogramming of endomembranes during intracellular pathogen trafficking. The importance of BAR domain-containing proteins in such diverse cellular functions highlights their importance in the hijacking of host cells by bacterial pathogens. Given their implication in a variety of cellular functions, such as endocytosis or protein sorting, and being targeted specifically by bacterial effectors, BAR domain-containing proteins likely play a central role in the molecular pathways subverted by invasive bacteria for their niche establishment. Here, we provide an overview of recent work on the contribution of host membrane remodeling factors, with a focus on BAR proteins, and how they are subverted by intracellular bacterial pathogens. The further study of the function of these factors will provide critical insights into the molecular pathways hijacked by bacterial pathogens.","PeriodicalId":73016,"journal":{"name":"Faculty reviews","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45774697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advances in hemodialysis therapy. 血液透析疗法的进展。
Faculty reviews Pub Date : 2023-05-16 eCollection Date: 2023-01-01 DOI: 10.12703/r/12-12
Bijin Thajudeen, Dany Issa, Prabir Roy-Chaudhury
{"title":"Advances in hemodialysis therapy.","authors":"Bijin Thajudeen, Dany Issa, Prabir Roy-Chaudhury","doi":"10.12703/r/12-12","DOIUrl":"10.12703/r/12-12","url":null,"abstract":"<p><p>End-stage renal disease (ESRD) continues to be a disease process with a high rate of hospitalization and mortality. There has been little innovation in nephrology over the last few decades compared to revolutionary high-tech advancements in other areas like oncology and cardiovascular medicine. Kidney transplantation, the only available alternative to renal replacement therapy, is limited in its availability. It is essential to have advances in this field to improve the efficiency of currently available treatments and devise new therapies. The current description of renal replacement therapy is inappropriate as it only replaces the filtration function of the failed kidney without addressing its other vital metabolic, endocrinologic, and immunologic roles and portability. Hence, it is critical to have newer therapies focusing on total replacement and portability, not just clearance. This review will address the developments in hemodialysis therapy. Advances in hemodialysis therapy include hemodiafiltration, portable machines, wearable artificial kidneys, and bioartificial kidneys. Although promising, newer technologies in this direction are still far from clinical application. Several organizations and enterprises including the Kidney Health Initiative and Kidney X: The Kidney Innovation Accelerator, as well as The Advancing American Kidney Health Initiative, are working in tandem to develop new therapies that could customize the treatment of ESRD.</p>","PeriodicalId":73016,"journal":{"name":"Faculty reviews","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10241346/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9592694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bending actin filaments: twists of fate. 弯曲肌动蛋白丝:命运的扭曲
Faculty reviews Pub Date : 2023-03-21 eCollection Date: 2023-01-01 DOI: 10.12703/r/12-7
Mitsutoshi Nakamura, Justin Hui, Susan M Parkhurst
{"title":"Bending actin filaments: twists of fate.","authors":"Mitsutoshi Nakamura, Justin Hui, Susan M Parkhurst","doi":"10.12703/r/12-7","DOIUrl":"10.12703/r/12-7","url":null,"abstract":"<p><p>In many cellular contexts, intracellular actomyosin networks must generate directional forces to carry out cellular tasks such as migration and endocytosis, which play important roles during normal developmental processes. A number of different actin binding proteins have been identified that form linear or branched actin, and that regulate these filaments through activities such as bundling, crosslinking, and depolymerization to create a wide variety of functional actin assemblies. The helical nature of actin filaments allows them to better accommodate tensile stresses by untwisting, as well as to bend to great curvatures without breaking. Interestingly, this latter property, the bending of actin filaments, is emerging as an exciting new feature for determining dynamic actin configurations and functions. Indeed, recent studies using <i>in vitro</i> assays have found that proteins including IQGAP, Cofilin, Septins, Anillin, α-Actinin, Fascin, and Myosins-alone or in combination-can influence the bending or curvature of actin filaments. This bending increases the number and types of dynamic assemblies that can be generated, as well as the spectrum of their functions. Intriguingly, in some cases, actin bending creates directionality within a cell, resulting in a chiral cell shape. This actin-dependent cell chirality is highly conserved in vertebrates and invertebrates and is essential for cell migration and breaking L-R symmetry of tissues/organs. Here, we review how different types of actin binding protein can bend actin filaments, induce curved filament geometries, and how they impact on cellular functions.</p>","PeriodicalId":73016,"journal":{"name":"Faculty reviews","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10111394/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9385011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cell cycle exits and U-turns: Quiescence as multiple reversible forms of arrest. 细胞周期的退出和U型转弯:作为多种可逆停滞形式的静止。
Faculty reviews Pub Date : 2023-03-08 eCollection Date: 2023-01-01 DOI: 10.12703/r/12-5
Martha Sharisha Johnson, Jeanette Gowen Cook
{"title":"Cell cycle exits and U-turns: Quiescence as multiple reversible forms of arrest.","authors":"Martha Sharisha Johnson, Jeanette Gowen Cook","doi":"10.12703/r/12-5","DOIUrl":"10.12703/r/12-5","url":null,"abstract":"<p><p>Cell proliferation control is essential during development and for maintaining adult tissues. Loss of that control promotes not only oncogenesis when cells proliferate inappropriately but also developmental abnormalities or degeneration when cells fail to proliferate when and where needed. To ensure that cells are produced at the right place and time, an intricate balance of pro-proliferative and anti-proliferative signals impacts the probability that cells undergo cell cycle exit to quiescence, or G<sub>0</sub> phase. This brief review describes recent advances in our understanding of how and when quiescence is initiated and maintained in mammalian cells. We highlight the growing appreciation for quiescence as a collection of context-dependent distinct states.</p>","PeriodicalId":73016,"journal":{"name":"Faculty reviews","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10009890/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9843903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vascular therapy for Duchenne muscular dystrophy (DMD). 杜氏肌营养不良症(DMD)的血管疗法。
Faculty reviews Pub Date : 2023-02-21 eCollection Date: 2023-01-01 DOI: 10.12703/r/12-3
Sangharsha Thapa, Shaymaa Elhadidy, Atsushi Asakura
{"title":"Vascular therapy for Duchenne muscular dystrophy (DMD).","authors":"Sangharsha Thapa, Shaymaa Elhadidy, Atsushi Asakura","doi":"10.12703/r/12-3","DOIUrl":"10.12703/r/12-3","url":null,"abstract":"<p><p>Duchenne muscular dystrophy (DMD) is a progressive disease characterized by the wasting of the muscles that eventually lead to difficulty moving and, ultimately, premature death from heart and respiratory complications. DMD deficiency is caused by mutations in the gene encoding <i>dystrophin</i>, which prevents skeletal muscle, cardiac muscle, and other cells from producing the functional protein. Located on the cytoplasmic face of the plasma membrane of muscle fibers, dystrophin serves as a component of the dystrophin glycoprotein complex (DGC), mechanically reinforces the sarcolemma, and stabilizes the DGC, preventing it from contraction-mediated muscle degradation. In DMD muscle, <i>dystrophin</i> deficiency leads to progressive fibrosis, myofiber damage, chronic inflammation, and dysfunction of the mitochondria and muscle stem cells. Currently, DMD is incurable, and treatment involves the administration of glucocorticoids in order to delay disease progression. In the presence of developmental delay, proximal weakness, and elevated serum creatine kinase levels, a definitive diagnosis can usually be made after an extensive review of the patient's history and physical examination, as well as confirmation through muscle biopsy or genetic testing. Current standards of care include the use of corticosteroids to prolong ambulation and delay the onset of secondary complications, including respiratory muscle and cardiac functions. However, different studies have been carried out to show the relationship between vascular density and impaired angiogenesis in the pathogenesis of DMD. Several recent studies on DMD management are vascular targeted and focused on ischemia as a culprit for the pathogenesis of DMD. This review critically discusses approaches-such as modulation of nitric oxide (NO) or vascular endothelial growth factor (VEGF)-related pathways-to attenuate the dystrophic phenotype and enhance angiogenesis.</p>","PeriodicalId":73016,"journal":{"name":"Faculty reviews","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9979239/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10845007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advances towards the complete in vitro life cycle of Toxoplasma gondii. 研究弓形虫完整体外生命周期的进展。
Faculty reviews Pub Date : 2023-02-13 eCollection Date: 2023-01-01 DOI: 10.12703/r/12-1
David Warschkau, Frank Seeber
{"title":"Advances towards the complete <i>in vitro</i> life cycle of <i>Toxoplasma gondii</i>.","authors":"David Warschkau, Frank Seeber","doi":"10.12703/r/12-1","DOIUrl":"10.12703/r/12-1","url":null,"abstract":"<p><p>The full life cycle of <i>Toxoplasma gondii</i> cannot be recapitulated <i>in vitro</i>, and access to certain stages, such as mature tissue cysts (bradyzoites) and oocysts (sporozoites), traditionally requires animal experiments. This has greatly hindered the study of the biology of these morphologically and metabolically distinct stages, which are essential for the infection of humans and animals. However, several breakthrough advances have been made in recent years towards obtaining these life stages <i>in vitro</i>, such as the discovery of several molecular factors that induce differentiation and commitment to the sexual cycle, and different culture methods that use, for example, myotubes and intestinal organoids to obtain mature bradyzoites and different sexual stages of the parasite. We review these novel tools and approaches, highlight their limitations and challenges, and discuss what research questions can already be answered with these models. We finally identify future routes for recapitulating the entire sexual cycle <i>in vitro</i>.</p>","PeriodicalId":73016,"journal":{"name":"Faculty reviews","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9944905/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10800973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
From Translation to Treatment. 从翻译到治疗。
Faculty reviews Pub Date : 2023-01-01 DOI: 10.12703/r/12-9
Xuemin Wang, Christopher G Proud
{"title":"From Translation to Treatment.","authors":"Xuemin Wang,&nbsp;Christopher G Proud","doi":"10.12703/r/12-9","DOIUrl":"https://doi.org/10.12703/r/12-9","url":null,"abstract":"<p><p>Protein synthesis (mRNA translation) plays a crucial role in cell function by shaping the proteome -making all the proteins each cell requires at the right time and in the right quantities and places. Proteins carry out almost every job in the cell. Protein synthesis is also a major component of the cellular economy, using large amounts of metabolic energy and resources, especially amino acids. Accordingly, it is tightly regulated through diverse mechanisms which respond, for example, to nutrients, growth factors, hormones, neurotransmitters and stressful situations.</p>","PeriodicalId":73016,"journal":{"name":"Faculty reviews","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10152553/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9420552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ALK-positive anaplastic large cell lymphoma in adults. 成人alk阳性间变性大细胞淋巴瘤。
Faculty reviews Pub Date : 2023-01-01 DOI: 10.12703/r/12-21
Matthew J Gromowsky, Christopher R D'Angelo, Matthew A Lunning, James O Armitage
{"title":"ALK-positive anaplastic large cell lymphoma in adults.","authors":"Matthew J Gromowsky,&nbsp;Christopher R D'Angelo,&nbsp;Matthew A Lunning,&nbsp;James O Armitage","doi":"10.12703/r/12-21","DOIUrl":"https://doi.org/10.12703/r/12-21","url":null,"abstract":"<p><p>ALK-positive anaplastic large cell lymphoma (ALCL) represents approximately 6-7% of the mature T-cell lymphomas. This subtype contains a translocation between the ALK gene on chromosome 2 and one of several other genes that together form an oncogene. The most frequent translocation is t(2;5) which combines ALK with NPM1. This lymphoma has a median age of 34 years, is more common in males, and is in advanced stage at the time of diagnosis in most patients. ALK-positive ALCL is the most curable of the peripheral T-cell lymphomas. The CHOP regimen has been most frequently used, but results are improved with the substitution of brentuximab vedotin for vincristine (BV-CHP) and the addition of etoposide (CHOEP), with BV-CHP being favored. Salvage therapies include allogeneic or autologous bone marrow transplantation, BV, if not used as part of the primary therapy, and ALK inhibitors. The latter are very active and likely to be incorporated into the primary therapy.</p>","PeriodicalId":73016,"journal":{"name":"Faculty reviews","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10467138/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10193621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent advances in the understanding and psychological treatment of social anxiety disorder. 社交焦虑障碍的认识与心理治疗的最新进展。
Faculty reviews Pub Date : 2023-01-01 DOI: 10.12703/r/12-8
Kate Wolitzky-Taylor, Richard LeBeau
{"title":"Recent advances in the understanding and psychological treatment of social anxiety disorder.","authors":"Kate Wolitzky-Taylor,&nbsp;Richard LeBeau","doi":"10.12703/r/12-8","DOIUrl":"https://doi.org/10.12703/r/12-8","url":null,"abstract":"<p><p>Social anxiety disorder (SAD) is characterized by persistent anxiety or avoidance of social situations because of a fear of negative evaluation. Cognitive behavioral therapy (CBT) (typically with an exposure component) is a first-line treatment for social anxiety, but there remains room for improvement with regard to treatment efficacy. Therefore, the field continues to better understand the mechanisms underlying SAD and its common and complex comorbidities in order to develop targeted interventions to improve symptom outcomes. Additionally, efforts are under way to improve the efficacy and accessibility of CBT. This review outlines major advances in understanding and treating SAD in adults over the past roughly 3 years (2019 to early May 2022). Themes are identified and discussed, as are recommendations for future research.</p>","PeriodicalId":73016,"journal":{"name":"Faculty reviews","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10108597/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9377675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Recent advances in electroconvulsive therapy in clinical practice and research. 电休克治疗的临床实践与研究进展。
Faculty reviews Pub Date : 2023-01-01 DOI: 10.12703/r/12-13
Fahad Mukhtar, William Regenold, Sarah H Lisanby
{"title":"Recent advances in electroconvulsive therapy in clinical practice and research.","authors":"Fahad Mukhtar,&nbsp;William Regenold,&nbsp;Sarah H Lisanby","doi":"10.12703/r/12-13","DOIUrl":"https://doi.org/10.12703/r/12-13","url":null,"abstract":"<p><p>Electroconvulsive therapy (ECT), the oldest somatic therapy still in use in psychiatry today, remains one of the most effective therapeutic interventions for a wide variety of psychiatric disorders. In this article, we review some of the recent advances in ECT that are currently being researched and implemented in clinical practice. We explore recent studies that point to the potential therapeutic benefit and safety of ECT in COVID-19-related neuropsychiatric complications and special populations (such as the elderly and pregnant persons) that are generally at higher risk of having adverse effects from psychotropic medications. We highlight studies that performed a head-to-head comparison of ECT and ketamine, which has shown promise for treatment-resistant depression and acute suicidality. Researchers continue to explore different ways of using ECT by modifying the treatment parameters to maintain efficacy and decrease side effects. Neurocognitive side effects remain one of the major drawbacks to its use and contribute to the negative stigma of this highly effective treatment. In this regard, we describe attempts to improve the safety of ECT by modifying dosing parameters, novel electrode placements, and the addition of augmenting agents with the aim of decreasing side effects and improving efficacy. This review identifies some of the recent advances in the last few years in ECT research while also highlighting areas where further research is needed.</p>","PeriodicalId":73016,"journal":{"name":"Faculty reviews","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10259509/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9988700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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