Rare diseases (Austin, Tex.)最新文献

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Pelger-Huët anomaly and Greenberg skeletal dysplasia: LBR-associated diseases of cholesterol metabolism Pelger-Huët异常和格林伯格骨骼发育不良:胆固醇代谢的lbr相关疾病
Rare diseases (Austin, Tex.) Pub Date : 2016-01-01 DOI: 10.1080/21675511.2016.1241363
Elizabeth M. Turner, Christian Schlieker
{"title":"Pelger-Huët anomaly and Greenberg skeletal dysplasia: LBR-associated diseases of cholesterol metabolism","authors":"Elizabeth M. Turner, Christian Schlieker","doi":"10.1080/21675511.2016.1241363","DOIUrl":"https://doi.org/10.1080/21675511.2016.1241363","url":null,"abstract":"ABSTRACT Lamin B Receptor (LBR) is an inner nuclear membrane protein associated with the rare human diseases Pelger-Huët anomaly and Greenberg skeletal dysplasia. A new study has used CRISPR/Cas9-mediated genetic manipulations in a human cell system to determine that the molecular etiology of these previously poorly understood disorders is a defect in cholesterol synthesis due to loss of LBR-associated sterol C14 reductase activity. The study furthermore determined that disease-associated LBR point mutations reduce sterol C14 reductase activity by decreasing the affinity of LBR for the reducing agent NADPH. Moreover, two disease-associated LBR truncation mutants were found to be highly unstable at the protein level and are rapidly turned over by a novel nuclear membrane-based protein quality control pathway. Thus, truncated LBR variants can now be used as model substrates for further investigations of nuclear protein quality control to uncover possible implications for other disease-associated nuclear envelopathies.","PeriodicalId":74639,"journal":{"name":"Rare diseases (Austin, Tex.)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21675511.2016.1241363","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60423190","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: 15
Vascular-targeted recombinant adeno-associated viral vectors for the treatment of rare diseases 用于治疗罕见病的血管靶向重组腺相关病毒载体
Rare diseases (Austin, Tex.) Pub Date : 2016-01-01 DOI: 10.1080/21675511.2016.1220470
J. Körbelin, M. Schwaninger, M. Trepel
{"title":"Vascular-targeted recombinant adeno-associated viral vectors for the treatment of rare diseases","authors":"J. Körbelin, M. Schwaninger, M. Trepel","doi":"10.1080/21675511.2016.1220470","DOIUrl":"https://doi.org/10.1080/21675511.2016.1220470","url":null,"abstract":"ABSTRACT There is a lack of treatment options for many rare genetic disorders. Gene therapy represents a promising and innovative approach to fill this gap. One of such rare disorders is incontinentia pigmenti caused by X-linked deletions or mutations in the Nemo gene. The disease affects the skin, teeth, and eyes and, most importantly, it leads to a severe vascular pathology of the central nervous system. The genetic treatment of vascular disorders such as incontinentia pigmenti critically depends on safe and efficient gene delivery. Thus, focus has been set on the development of suitable vector systems. In a recent issue of EMBO Molecular Medicine, we describe the development of a recombinant adeno-associated viral (AAV) vector with a unique tropism for the brain vascular endothelium (termed AAV-BR1) and, as a proof of principle that may be transferred to other vascular disorders, report on its therapeutic application in a mouse model of incontinentia pigmenti. Here, we discuss the implications of our findings and further highlight the promising prospects as well as potential limitations of such vectors.","PeriodicalId":74639,"journal":{"name":"Rare diseases (Austin, Tex.)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21675511.2016.1220470","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60423077","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
What do we learn from the murine Jacob/Nsmf gene knockout for human disease? 我们从小鼠Jacob/Nsmf基因敲除人类疾病中学到了什么?
Rare diseases (Austin, Tex.) Pub Date : 2016-01-01 DOI: 10.1080/21675511.2016.1241361
C. Spilker, K. Grochowska, M. Kreutz
{"title":"What do we learn from the murine Jacob/Nsmf gene knockout for human disease?","authors":"C. Spilker, K. Grochowska, M. Kreutz","doi":"10.1080/21675511.2016.1241361","DOIUrl":"https://doi.org/10.1080/21675511.2016.1241361","url":null,"abstract":"ABSTRACT Mutations in the NSMF gene have been related to Kallmann syndrome. Conflicting results have been reported on the subcellular localization of Jacob/NELF, the protein encoded by the NSMF gene. Some reports indicate an extracellular localization and a function as a guidance molecule for migration of GnRH-positive neurons from the olfactory placode to the hypothalamus. Other studies have shown protein transport of Jacob from synapse-to-nucleus and indicate a role of the protein in neuronal activity-dependent gene expression. A recent publication casts doubts on a major role of Jacob/NELF in Kallmann syndrome and neuronal migration of GnRH-positive neurons during early development. Instead a murine NSMF gene knockout results in hippocampal dysplasia, impaired BDNF-signaling during dendritogenesis, and phenotypes related to the lack of BDNF-induced nuclear import of Jacob in early postnatal development.","PeriodicalId":74639,"journal":{"name":"Rare diseases (Austin, Tex.)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21675511.2016.1241361","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"60423281","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: 13
A commentary on the utility of a new L-DOPA-responsive dystonia mouse model. 一种新的左旋多巴反应性肌张力障碍小鼠模型的实用性评论。
Rare diseases (Austin, Tex.) Pub Date : 2015-12-29 eCollection Date: 2016-01-01 DOI: 10.1080/21675511.2015.1128617
Samuel J Rose, Ellen J Hess
{"title":"A commentary on the utility of a new L-DOPA-responsive dystonia mouse model.","authors":"Samuel J Rose,&nbsp;Ellen J Hess","doi":"10.1080/21675511.2015.1128617","DOIUrl":"https://doi.org/10.1080/21675511.2015.1128617","url":null,"abstract":"<p><p>In a recent issue of Brain, we reported on the generation and characterization of a mouse model of the rare disease L-DOPA-responsive dystonia (DRD). Here, we discuss the utility of these mice for understanding broader disease processes and treatment strategies. Using specific experimental designs that either work \"forward\" from genetic etiology or \"backward\" from the symptomatic presentation, we discuss how our data and future work can be used to understand broader themes. </p>","PeriodicalId":74639,"journal":{"name":"Rare diseases (Austin, Tex.)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21675511.2015.1128617","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34450139","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
New insights into the metabolic and nutritional determinants of severe combined immunodeficiency. 对严重联合免疫缺陷的代谢和营养决定因素的新见解。
Rare diseases (Austin, Tex.) Pub Date : 2015-11-24 eCollection Date: 2015-01-01 DOI: 10.1080/21675511.2015.1112479
Martha S Field, Elena Kamynina, David Watkins, David S Rosenblatt, Patrick J Stover
{"title":"New insights into the metabolic and nutritional determinants of severe combined immunodeficiency.","authors":"Martha S Field,&nbsp;Elena Kamynina,&nbsp;David Watkins,&nbsp;David S Rosenblatt,&nbsp;Patrick J Stover","doi":"10.1080/21675511.2015.1112479","DOIUrl":"https://doi.org/10.1080/21675511.2015.1112479","url":null,"abstract":"<p><p>Human mutations in MTHFD1 have recently been identified in patients with severe combined immunodeficiency (SCID). SCID results from inborn errors of metabolism that cause impaired T- and B-cell proliferation and function. One of the most common causes of SCID is adenosine deaminase (ADA) deficiency, which ultimately inhibits DNA synthesis and cell division. MTHFD1 has been shown to translocate to the nucleus during S-phase of the cell cycle; this localization is critical for synthesis of thymidyate (dTMP or the \"T\" base in DNA) and subsequent progression through the cell cycle and cell proliferation. Identification of MTHFD1 mutations that are associated with SCID highlights the potential importance of adequate dTMP synthesis in the etiology of SCID. </p>","PeriodicalId":74639,"journal":{"name":"Rare diseases (Austin, Tex.)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21675511.2015.1112479","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34437822","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: 7
Rare disease diagnosis: A review of web search, social media and large-scale data-mining approaches. 罕见病诊断:网络搜索、社交媒体和大规模数据挖掘方法综述。
Rare diseases (Austin, Tex.) Pub Date : 2015-09-16 eCollection Date: 2015-01-01 DOI: 10.1080/21675511.2015.1083145
Dan Svenstrup, Henrik L Jørgensen, Ole Winther
{"title":"Rare disease diagnosis: A review of web search, social media and large-scale data-mining approaches.","authors":"Dan Svenstrup,&nbsp;Henrik L Jørgensen,&nbsp;Ole Winther","doi":"10.1080/21675511.2015.1083145","DOIUrl":"https://doi.org/10.1080/21675511.2015.1083145","url":null,"abstract":"<p><p>Physicians and the general public are increasingly using web-based tools to find answers to medical questions. The field of rare diseases is especially challenging and important as shown by the long delay and many mistakes associated with diagnoses. In this paper we review recent initiatives on the use of web search, social media and data mining in data repositories for medical diagnosis. We compare the retrieval accuracy on 56 rare disease cases with known diagnosis for the web search tools google.com, pubmed.gov, omim.org and our own search tool findzebra.com. We give a detailed description of IBM's Watson system and make a rough comparison between findzebra.com and Watson on subsets of the Doctor's dilemma dataset. The recall@10 and recall@20 (fraction of cases where the correct result appears in top 10 and top 20) for the 56 cases are found to be be 29%, 16%, 27% and 59% and 32%, 18%, 34% and 64%, respectively. Thus, FindZebra has a significantly (p < 0.01) higher recall than the other 3 search engines. When tested under the same conditions, Watson and FindZebra showed similar recall@10 accuracy. However, the tests were performed on different subsets of Doctors dilemma questions. Advances in technology and access to high quality data have opened new possibilities for aiding the diagnostic process. Specialized search engines, data mining tools and social media are some of the areas that hold promise. </p>","PeriodicalId":74639,"journal":{"name":"Rare diseases (Austin, Tex.)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21675511.2015.1083145","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34067319","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: 62
Chromothriptic cure of WHIM syndrome: Implications for bone marrow transplantation. 色氨酸疗法治疗WHIM综合征:对骨髓移植的影响。
Rare diseases (Austin, Tex.) Pub Date : 2015-08-11 eCollection Date: 2015-01-01 DOI: 10.1080/21675511.2015.1073430
David H McDermott, Ji-Liang Gao, Philip M Murphy
{"title":"Chromothriptic cure of WHIM syndrome: Implications for bone marrow transplantation.","authors":"David H McDermott,&nbsp;Ji-Liang Gao,&nbsp;Philip M Murphy","doi":"10.1080/21675511.2015.1073430","DOIUrl":"https://doi.org/10.1080/21675511.2015.1073430","url":null,"abstract":"<p><p>We recently reported a 59 year old female, designated WHIM-09, who was born with the rare immunodeficiency disease WHIM syndrome but underwent spontaneous phenotypic reversion as an adult. The causative WHIM mutation CXCR4 (R334X) was absent in her myeloid and erythroid lineage, but present in her lymphoid lineage and in epithelial cells, defining her as a somatic genetic mosaic. Genomic and hematologic analysis revealed chromothripsis (chromosome shattering) on one copy of chromosome 2, which deleted 164 genes including CXCR4 (R334X) in a single haematopoietic stem cell (HSC) (Fig. 1). Experiments in mice indicated that deleting one copy of Cxcr4 is sufficient to confer a selective advantage for engraftment of transplanted HSCs, suggesting a mechanism for clinical cure in WHIM-09. Genome editing may allow autologous transplantation of HSCs lacking one copy of CXCR4 without bone marrow conditioning as a general cure strategy in WHIM syndrome, safely recapitulating the outcome in patient WHIM-09. Figure 1.Chromothripsis (chromosomal shattering) resulted in clinical cure of a patient with a rare immunodeficiency (WHIM syndrome) by deleting the mutant copy of CXCR4. </p>","PeriodicalId":74639,"journal":{"name":"Rare diseases (Austin, Tex.)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21675511.2015.1073430","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34082270","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: 13
A unified model for the molecular basis of Xeroderma pigmentosum-Cockayne Syndrome. 色素性干皮病-柯凯因综合征分子基础的统一模型。
Rare diseases (Austin, Tex.) Pub Date : 2015-08-07 eCollection Date: 2015-01-01 DOI: 10.1080/21675511.2015.1079362
María Moriel-Carretero, Emilia Herrera-Moyano, Andrés Aguilera
{"title":"A unified model for the molecular basis of Xeroderma pigmentosum-Cockayne Syndrome.","authors":"María Moriel-Carretero,&nbsp;Emilia Herrera-Moyano,&nbsp;Andrés Aguilera","doi":"10.1080/21675511.2015.1079362","DOIUrl":"https://doi.org/10.1080/21675511.2015.1079362","url":null,"abstract":"<p><p>Nucleotide Excision Repair (NER) is a pathway that removes lesions distorting the DNA helix. The molecular basis of the rare diseases Xeroderma pigmentosum (XP) and Cockayne Syndrome (CS) are explained based on the defects happening in 2 NER branches: Global-Genome Repair and Transcription-Coupled Repair, respectively. Nevertheless, both afflictions sporadically occur together, giving rise to XP/CS; however, the molecular basis of XP/CS is not understood very well. Many efforts have been made to clarify why mutations in only 4 NER genes, namely XPB, XPD, XPF and XPG, are the basis of this disease. Effort has also been made to unravel why mutations within these genes lead to XP, XP/CS, or other pathologies. We have recently contributed to the disclosure of this puzzle by characterizing Rad3/XPD mutations in Saccharomyces cerevisiae and human cells. Based on our, and others', observations, we propose a model compatible with all XP/CS cases and the current bibliography. </p>","PeriodicalId":74639,"journal":{"name":"Rare diseases (Austin, Tex.)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21675511.2015.1079362","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34081856","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: 12
Huntington's disease is a multi-system disorder. 亨廷顿氏病是一种多系统疾病。
Rare diseases (Austin, Tex.) Pub Date : 2015-07-24 eCollection Date: 2015-01-01 DOI: 10.1080/21675511.2015.1058464
Michal Mielcarek
{"title":"Huntington's disease is a multi-system disorder.","authors":"Michal Mielcarek","doi":"10.1080/21675511.2015.1058464","DOIUrl":"https://doi.org/10.1080/21675511.2015.1058464","url":null,"abstract":"<p><p>Huntington's disease (HD) is one of the most common non-curable rare diseases and is characterized by choreic movements, psychiatric symptoms, and slowly progressive dementia. HD is inherited as an autosomal dominant disorder with complete penetrance. Although brain pathology has become a hallmark of HD, there is a critical mass of new studies suggesting peripheral tissue pathology as an important factor in disease progression. In particular, recently published studies about skeletal muscle malfunction and HD-related cardiomyopathy in HD mouse models strongly suggest their important roles, leading to upcoming preclinical and clinical trials. One might conclude that therapeutic approaches in HD should not be restricted only to the brain pathology but instead major efforts should also be made to understand the cross-talk between diseased tissues like the CNS-Heart or CNS-skeletal muscle axes. </p>","PeriodicalId":74639,"journal":{"name":"Rare diseases (Austin, Tex.)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21675511.2015.1058464","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34148540","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: 48
Macrophage migration inhibitory factor as a component of selective vulnerability of motor neurons in ALS. 巨噬细胞迁移抑制因子在ALS患者运动神经元选择性易损性中的作用。
Rare diseases (Austin, Tex.) Pub Date : 2015-06-17 eCollection Date: 2015-01-01 DOI: 10.1080/21675511.2015.1061164
Salah Abu-Hamad, Adrian Israelson
{"title":"Macrophage migration inhibitory factor as a component of selective vulnerability of motor neurons in ALS.","authors":"Salah Abu-Hamad,&nbsp;Adrian Israelson","doi":"10.1080/21675511.2015.1061164","DOIUrl":"https://doi.org/10.1080/21675511.2015.1061164","url":null,"abstract":"<p><p>Amyotrophic lateral sclerosis (ALS) is a progressive adult-onset neurodegenerative disorder characterized by the selective loss of upper and lower motor neurons. Mutations in superoxide dismutase (SOD1) cause about 20 percent of familial ALS which is accompanied by accumulation of misfolded SOD1 onto intracellular organelles. Recently, we identified the 12 kDa macrophage migration inhibitory factor (MIF) as a chaperone for mutant SOD1 which is abundant in non-neuronal tissues. Purified recombinant MIF was shown to directly inhibit mutant SOD1 misfolding and association with mitochondria and ER. Elevating MIF in neuronal cells inhibited the accumulation of misfolded SOD1 and its association with mitochondria and ER, and extended survival of mutant SOD1-expressing motor neurons. Our results revealed that the levels of MIF protein are very low in motor neurons, implicating low chaperone activity as a component of selective vulnerability of motor neurons to mutant SOD1 misfolding and toxicity. </p>","PeriodicalId":74639,"journal":{"name":"Rare diseases (Austin, Tex.)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21675511.2015.1061164","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"34148541","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
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