In recent years, electric vehicles have become popular among national governments, sectors and the general public. During January to October of 2017, the production output of China's new energy vehicles had surpasse...In recent years, electric vehicles have become popular among national governments, sectors and the general public. During January to October of 2017, the production output of China's new energy vehicles had surpassed 0.5 million units,展开更多
Usher Syndrome(USH)is the most common deaf-blind syndrome,affecting approximately 1 in 6000 people in the deaf population.This genetic condition is characterized by a combination of hearing loss(HL),retinitis pigmento...Usher Syndrome(USH)is the most common deaf-blind syndrome,affecting approximately 1 in 6000 people in the deaf population.This genetic condition is characterized by a combination of hearing loss(HL),retinitis pigmentosa,and,in some cases,vestibular areflexia.Among the subtypes of USH,USH type 1 is considered the most severe form,presenting profound bilateral congenital deafness,vestibular areflexia,and early onset RP.USH type 2 is the most common form,exhibiting congenital moderate to severe HL for low frequencies and severe to profound HL for high frequencies.Conversely,type 3 is the rarest,initially manifesting mild symptoms during childhood that become more prominent in the first decades of life.The dual impact of USH on both visual and auditory senses significantly impairs patients'quality of life,restricting their daily activities and interactions with society.To date,9 genes have been confirmed so far for USH:MYO7A,USH1C,CDH23,PCDH15,USH1G,USH2A,ADGRV1,WHRN and CLRN1.These genes are inherited in an autosomal recessive manner and encode proteins expressed in the inner ear and retina,leading to functional loss.Although non-genetic methods can assist in patient triage and disease extension evaluation,genetic and molecular tests play a pivotal role in providing genetic counseling,enabling appropriate gene therapy,and facilitating timely cochlear implantation(CI).The CRISPR/Cas9 system and viral-based gene replacement therapy have recently emerged as highly promising techniques for treating USH.Regarding drug therapy,PTC-124 and Nb54 have been identified as promising drug interventions for genetic HL in USH.Simultaneously,CI has proven to be critical in the restoration of hearing.This review aims to summarize the genetic and molecular diagnosis of USH and highlight the importance of early diagnosis in Cuzzuol BR et al.Diagnosis and current treatments of USH WJO https://www.wjgnet.com 2 January 19,2024 Volume 11 Issue 1 guiding appropriate treatment strategies and improving patient prognosis.展开更多
The city-state of Singapore has seen remarkable growth since being founded just over half a century ago.By upholding the best of Asian values,Singapore continues to lead the way in an increasingly globalized world.Man...The city-state of Singapore has seen remarkable growth since being founded just over half a century ago.By upholding the best of Asian values,Singapore continues to lead the way in an increasingly globalized world.Many Southeast Asian countries are blessed with an abundance of natural resources.Singapore has positioned itself as one of the region’s largest commodity trading hubs offering tax-friendly incentives,transparent financial and legal sectors,excellent infrastructure and a skilled workforce.These factors have enabled Singa-展开更多
On the eve of the 60th anniversary of the peaceful liberation of Tibet, Zhu Weiqun, Executive Vice Minister of the United Front Work Department of the Central Committee of the Communist Party of China, elaborated on t...On the eve of the 60th anniversary of the peaceful liberation of Tibet, Zhu Weiqun, Executive Vice Minister of the United Front Work Department of the Central Committee of the Communist Party of China, elaborated on the historic importance of the event in an exclusive interview with China Tibet magazine. Excerpts follow:展开更多
IH&RA and its members worldwide extend solidarity and support to all those affected by the 26 December Indian Ocean Disaster in Southeast Asia, so many of whom represent members of the IH&RA family - hotel and...IH&RA and its members worldwide extend solidarity and support to all those affected by the 26 December Indian Ocean Disaster in Southeast Asia, so many of whom represent members of the IH&RA family - hotel and restaurant employees, employers, valued customers and the local people who make travel and tourism possible. The hotel and restaurant industry is united in its support of a rapid recovery and seeks ways of identifying展开更多
目的探讨一例听力下降患儿的遗传性致病原因。方法详细询问先证者病史(女,4岁,双耳听力下降1月余)及家族史,绘制遗传图谱,行临床相关检查。采用新一代测序技术进行全外显子组测序,并根据ACMG(美国医学遗传学和基因组学学会)制定的标准...目的探讨一例听力下降患儿的遗传性致病原因。方法详细询问先证者病史(女,4岁,双耳听力下降1月余)及家族史,绘制遗传图谱,行临床相关检查。采用新一代测序技术进行全外显子组测序,并根据ACMG(美国医学遗传学和基因组学学会)制定的标准指南对检出的突变进行致病性判读,结合患儿的临床表现及相关检查结果进行分析。结果纯音测听示患儿双耳听力图呈下降型曲线,低频为轻度到中度听力下降,高频为重度到极重度听力下降;左右耳ABR反应阈分别为60、50 dB nHL;瞬态耳声发射双耳均未引出;畸变产物耳声发射右耳均未引出,左耳0.5 kHz引出,余未引出。眼底检查及颞骨CT均未见异常。全外显子测序结果显示患儿携带USH2A基因的c.13010C>T和c.11232-2A>G两个罕见突变。其中,c.13010C>T突变遗传自母亲,c.11232-2A>G突变遗传自父亲。父母听力正常。结论USH2A基因的c.13010C>T和c.11232-2A>G突变位点为该患儿致病原因。展开更多
文摘In recent years, electric vehicles have become popular among national governments, sectors and the general public. During January to October of 2017, the production output of China's new energy vehicles had surpassed 0.5 million units,
文摘Usher Syndrome(USH)is the most common deaf-blind syndrome,affecting approximately 1 in 6000 people in the deaf population.This genetic condition is characterized by a combination of hearing loss(HL),retinitis pigmentosa,and,in some cases,vestibular areflexia.Among the subtypes of USH,USH type 1 is considered the most severe form,presenting profound bilateral congenital deafness,vestibular areflexia,and early onset RP.USH type 2 is the most common form,exhibiting congenital moderate to severe HL for low frequencies and severe to profound HL for high frequencies.Conversely,type 3 is the rarest,initially manifesting mild symptoms during childhood that become more prominent in the first decades of life.The dual impact of USH on both visual and auditory senses significantly impairs patients'quality of life,restricting their daily activities and interactions with society.To date,9 genes have been confirmed so far for USH:MYO7A,USH1C,CDH23,PCDH15,USH1G,USH2A,ADGRV1,WHRN and CLRN1.These genes are inherited in an autosomal recessive manner and encode proteins expressed in the inner ear and retina,leading to functional loss.Although non-genetic methods can assist in patient triage and disease extension evaluation,genetic and molecular tests play a pivotal role in providing genetic counseling,enabling appropriate gene therapy,and facilitating timely cochlear implantation(CI).The CRISPR/Cas9 system and viral-based gene replacement therapy have recently emerged as highly promising techniques for treating USH.Regarding drug therapy,PTC-124 and Nb54 have been identified as promising drug interventions for genetic HL in USH.Simultaneously,CI has proven to be critical in the restoration of hearing.This review aims to summarize the genetic and molecular diagnosis of USH and highlight the importance of early diagnosis in Cuzzuol BR et al.Diagnosis and current treatments of USH WJO https://www.wjgnet.com 2 January 19,2024 Volume 11 Issue 1 guiding appropriate treatment strategies and improving patient prognosis.
文摘The city-state of Singapore has seen remarkable growth since being founded just over half a century ago.By upholding the best of Asian values,Singapore continues to lead the way in an increasingly globalized world.Many Southeast Asian countries are blessed with an abundance of natural resources.Singapore has positioned itself as one of the region’s largest commodity trading hubs offering tax-friendly incentives,transparent financial and legal sectors,excellent infrastructure and a skilled workforce.These factors have enabled Singa-
文摘On the eve of the 60th anniversary of the peaceful liberation of Tibet, Zhu Weiqun, Executive Vice Minister of the United Front Work Department of the Central Committee of the Communist Party of China, elaborated on the historic importance of the event in an exclusive interview with China Tibet magazine. Excerpts follow:
文摘IH&RA and its members worldwide extend solidarity and support to all those affected by the 26 December Indian Ocean Disaster in Southeast Asia, so many of whom represent members of the IH&RA family - hotel and restaurant employees, employers, valued customers and the local people who make travel and tourism possible. The hotel and restaurant industry is united in its support of a rapid recovery and seeks ways of identifying
文摘目的探讨一例听力下降患儿的遗传性致病原因。方法详细询问先证者病史(女,4岁,双耳听力下降1月余)及家族史,绘制遗传图谱,行临床相关检查。采用新一代测序技术进行全外显子组测序,并根据ACMG(美国医学遗传学和基因组学学会)制定的标准指南对检出的突变进行致病性判读,结合患儿的临床表现及相关检查结果进行分析。结果纯音测听示患儿双耳听力图呈下降型曲线,低频为轻度到中度听力下降,高频为重度到极重度听力下降;左右耳ABR反应阈分别为60、50 dB nHL;瞬态耳声发射双耳均未引出;畸变产物耳声发射右耳均未引出,左耳0.5 kHz引出,余未引出。眼底检查及颞骨CT均未见异常。全外显子测序结果显示患儿携带USH2A基因的c.13010C>T和c.11232-2A>G两个罕见突变。其中,c.13010C>T突变遗传自母亲,c.11232-2A>G突变遗传自父亲。父母听力正常。结论USH2A基因的c.13010C>T和c.11232-2A>G突变位点为该患儿致病原因。