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1Diabetic neuropathic pain:Physiopathology and treatment显示文摘Diabetic neuropathy is a common complication of both type 1 and type 2 diabetes,which affects over 90% of the diabetic patients.Although pain is one of the main symptoms of diabetic neuropathy,its pathophysiological mechanisms are not yet fully known.It is widely accepted that the toxic effects of hyperglycemia play an important role in the development of this complication,but several other hypotheses have been postulated.The management of diabetic neuropathic pain consists basically in excluding other causes of painful peripheral neuropathy,improving glycemic control as a prophylactic therapy and using medications to alleviate pain.First line drugs for pain relief include anticonvulsants,such as pregabalin and gabapentin and antidepressants,especial y those that act to inhibit the reuptake of serotonin and noradrenaline.In addition,there is experimental and clinical evidence that opioids can be helpful in pain control,mainly if associated with first line drugs.Other agents,including for topical application,such as capsaicin cream and lidocaine patches,have also been proposed to be useful as adjuvants in the control of diabetic neuropathic pain,but the clinical evidence is insufficient to support their use.In conclusion,a better understanding of the mechanisms underlying diabetic neuropathic pain will contribute to the search of new therapies,but also to the improvement of the guidelines to optimize pain control with the drugs currently available.Anne K Schreiber Carina FM Nones Renata C Reis Juliana G Chichorro Joice M Cunha 2015World Journal of Diabetes2015,6,3:34
2帕博利珠单抗治疗伴脑转移NSCLC患者的一项非随机、开放Ⅱ期试验的长期随访结果和生物标志物分析显示文摘背景与目的我们开展了一项帕博利珠单抗用于伴未治疗脑转移的非小细胞肺癌(non-small cell lung cancer,NSCLC)或黑色素瘤患者的疗效和安全性的II期试验,旨在评估程序性死亡受体1(programmed cell death 1,PD-1)抑制剂在中枢神经系统(central nervous system,CNS)中的疗效。中期结果已发表,现报道对NSCLC队列的更新分析结果。方法这是一项开放性、单中心、II期试验。纳入标准:年龄≥18岁,诊断为晚期NSCLC并伴有≥1个5 mm-20 mm脑转移病灶,既往从未治疗或之前放疗后进展,无神经系统症状,不需要激素治疗且美国东部肿瘤协作组(Eastern Cooperative Oncology Group,ECOG)<2分。患者每2周接受一次帕博利珠单抗(10 mg/kg)治疗。队列1为程序性死亡配体1(programmed cell death ligand 1,PD-L1)≥1%的患者,队列2为PD-L1<1%或未评估的患者。主要终点是脑转移患者缓解比例。所有经治患者均纳入疗效与安全性终点的分析。该研究已结束入组,并于Clinicaltrials.gov登记注册,注册号为NCT02085070。结果2014年3月31日-2018年5月21日,共42例患者接受治疗。中位随访时间为8.3个月(IQR:4.5个月-26.2个月)。队列1的37例患者中11例有脑转移缓解[29.7%(95%CI:15.9%-47.0%)]。队列2未观察到缓解。治疗相关的3级-4级不良事件(adverse events,AEs)包括2例肺炎、1例全身症状、1例结肠炎、1例肾上腺皮质功能不全、1例高血糖症和1例低钾血症。6例(14%)患者发生了治疗相关的严重不良事件,包括肺炎、急性肾损伤、低钾血症和肾上腺皮质功能不全。没有观察到治疗相关死亡病例。结论帕博利珠单抗治疗PD-L1≥1%的NSCLC伴脑转移患者有效,且对所有纳入的未经治疗的脑转移患者安全。需要进一步探索免疫治疗用于NSCLC合并CNS转移。Sarah B GOLDBERG Kurt A SCHALPER Scott N GETTINGER Amit MAHAJAN Roy S HERBST Anne C CHANG Rogerio LILENBAUM Frederick H WILSON Sacit Bulent OMAY James B YU Lucia JILAVEANU Thuy TRAN Kira PAVLIK Elin ROWEN Heather GERRSH Annette KOMLO Richa GUPTA Hailey WYATT Matthew RIBEIRO Yuval KLUGER Geyu ZHOU Wei WEI Veronica L CHANG Harriet M KLUGER 董晓荣(翻译/校对) 2021中国肺癌杂志2021,24,9:34
3皮质下小血管病诊断的共识声明显示文摘血管性认知损害是用于描述一组涉及大血管和小血管的散发性和遗传性异质性疾病的诊断术语。皮质下小血管病可导致腔隙性梗死和进行性白质损害。被称为宾斯旺格病(Binswanger's disease, BD)的进行性白质损害患者构成了从单纯血管性疾病到合并神经变性病变的疾病谱。BD患者是一个相对同质性的亚组,存在缺氧缺血、腔隙性梗死和炎症,它们协同作用破坏血脑屏障和髓鞘。通过临床、脑脊液、神经心理学和影像学检查获得的多模式疾病标记物能促进该亚组患者的鉴别。本共识声明确定了一系列基于基础病理学改变的潜在生物学标记物,这将有助于诊断以及将来协作性治疗试验的患者选择。Gary A Rosenberg Anders Wallin Joanna M Wardlaw Hugh S Markus Joan Montaner Leslie Wolfson Costantino Iadecola Berislav V Zlokovic Anne Joutel Martin Dichgans Marco Duering Reinhold Schmidt Amos D Korczyn Lea T Grinberg Helena C Chui Vladimir Hachinski 王训师 张劼 陈涵丰 俞娅美 徐子奇 罗本燕 2016国际脑血管病杂志2016,24,6:18
4七个发达国家卫生系统的领导与治理显示文摘本文运用结构式调查方法,探讨了澳大利亚、英国、德国、荷兰、挪威、瑞典和瑞士七个发达国家卫生系统的领导和治理情况。领导与治理模式包含三项基本职能:优先顺序设置、绩效监管和问责制。各国卫生系统的领导和治理方法存在着显著差异,零散并略显随意。虽然各国在卫生系统的总体目标上达成了共识,但设置优先顺序的途径各不相同。成本效益分析作为设置卫生系统运行优先顺序的一个主要方法被各国加以广泛运用,但并未发挥核心作用。各国虽然处于不同的发展阶段,但绩效监管却能广泛吸收有益意见。问责制特别是在最优方法的不确定性方面,各国之间的差异最大。大多数情况下,市场机制、选举程序、直接经济激励以及专业监督与控制等几种不同问责机制的组合可能更为合适。而且这些机制应与优先顺序设置和绩效监管协调一致。Peter C Smith Anders Anell Reinhard Busse Luca Crivelli Judith Healy Anne Karin Lindahl Gert Westert Tobechukwu Kene 2012中国卫生政策研究2012,5,11:13
5精索静脉曲张病人双侧睾丸组织学研究和减数分裂分析显示文摘50例男性在进行精索静脉曲张结扎手术时作双侧睾丸活俭。活检组织用Johnscn得分法作组织学研究,另分一部分作减数分裂分析。所有病人术后都进行随访,,平均随访时间为19.3月,并追踪他们配偶的怀孕情况。研究表明,精索静脉曲张没有特异的组织学或减数分裂异常,也没有证据表明曲张侧睾丸病变比对侧更严重。13例妻子怀孕,这些病例至少有一侧睾丸Jobnsen得分大于7.0,我们认为采用双侧睾丸活检可预测精索静脉曲张手术的效果。王益鑫 Chandley Ann C Macintyre Margaret Hargreave Timothy B 1991男性学杂志1991,5,1:12
6Molecular targets in the treatment of alcoholic hepatitis显示文摘Alcohol related costs to health and society are high. One of the most serious complications of alcohol misuse to the individual is the development of alcoholic hepatitis (AH), a clinical syndrome of jaundice and progressive inflammatory liver injury in patients with a history of recent heavy alcohol use. It has a poor outcome and few existing successful therapies. The use of glucocorticoids in patients with severe AH is still controversial and there remains a group of patients with glucocorticoid-resistant disease. However, as our understanding of the pathogenesis of the condition improves there are opportunities to develop new targeted therapies with specific actions to control liver inflammation without having a detrimental effect on the immune system as a whole. In this article we review the molecular mechanisms of AH concentrating on the activation of the innate and adaptive immune response. We consider existing treatments including glucocorticoids, anti-tumor necrosis factor therapy and pentoxifylline and their limitations. Using our knowledge of the disease pathogenesis we discuss possible novel therapeutic approaches. New targets include pro-inflammatory cytokines such as interleukin (IL)-17, chemokines and their receptors (for example IL-8, CXCL9 and CXCR3) and augmentation of anti-inflam- matory molecules such as IL-10 and IL-22. And there is also future potential to consider combination therapy to selectively modulate the immune response and gain control of disease.Ashwin D Dhanda Richard WL Lee Peter L Collins C Anne McCune 2012World Journal of Gastroenterology2012,18,39:9
7Irritable bowel syndrome symptom severity improves equally with probiotic and placebo显示文摘AIM To determine the effects of Lactobacillus acidophilus NCFM on irritable bowel syndrome(IBS) symptoms and quality of life(Qo L).METHODS In this randomized triple-blind trial, adult IBS volunteerswho were recruited according to Rome Ⅲ criteria received 109 or 1010 colony-forming units of NCFM or placebo daily for 12 wk. IBS Symptom Severity Score(IBS-SSS), which constituted the primary outcome, and secondary outcomes, including individual IBS symptoms, IBS-related QoL questionnaire, anxiety and depression, defecation frequency, and stool consistency, were assessed at baseline at the end of the 8-wk runin period, after 4 and 12 wk of intervention, and after a 4-wk washout.RESULTS A total of 340 of 391 randomized volunteers completed the trial. IBS-SSS improved over 12 wk of treatment in all treatment groups, decreasing by a mean ± SD of 44.0 ± 80.2, 50.8 ± 82.4, and 48.3 ± 72.2 in the placebo, active low-dose, and active high-dose groups, respectively. Similarly, secondary outcomes did not differ between treatment groups. However, in a post hoc analysis of volunteers with moderate to severe abdominal pain at baseline(VAS > 35/100), the treatment significantly reduced the sensation of abdominal pain. Pain scores fell by 20.8 ± 22.8, 29.4 ± 17.9, and 31.2 ± 21.9 in the placebo, active low-dose, and active high-dose groups, respectively(P value for placebo vs combined active doses = 0.0460).CONCLUSION NCFM alleviates moderate to severe abdominal pain, consistent with earlier observations of this strain mitigating visceral pain through increased analgesic receptor expression.Anna Lyra Markku Hillila Teppo Huttunen Sofia Mannikko Mikko Taalikka Julia Tennila Anneli Tarpila Sampo Lahtinen Arthur C Ouwehand Lea Veijola 2016World Journal of Gastroenterology2016,22,48:7
8Retrograde-viewing device improves adenoma detection rate in colonoscopies for surveillance and diagnostic workup显示文摘AIM:To determine which patients might benefit most from retrograde viewing during colonoscopy through subset analysis of randomized,controlled trial data.METHODS:The Third Eye Retroscope Randomized Clinical Evaluation(TERRACE) was a randomized,controlled,multicenter trial designed to evaluate the efficacy of a retrograde-viewing auxiliary imaging device that is used during colonoscopy to provide a second video image which allows viewing of areas on the proximal aspect of haustral folds and flexures that are difficult to see with the colonoscope's forward view.We performed a post-hoc analysis of the TERRACE data to determine whether certain subsets of the patient population would gain more benefit than others from use of the device.Subjects were patients scheduled for colonoscopy for screening,surveillance or diagnostic workup,and each underwent same-day tandem examinations with standard colonoscopy(SC) and Third Eye colonoscopy(TEC),randomized to SC followed by TEC or vice versa.RESULTS:Indication for colonoscopy was screening in 176/345 subjects(51.0%),surveillance after previous polypectomy in 87(25.2%) and diagnostic workup in 82(23.8%).In 4 subjects no indication was specified.Previously reported overall results had shown a net additional adenoma detection rate(ADR) with TEC of 23.2% compared to SC.Relative risk(RR) of missing adenomas with SC vs TEC as the initial procedure was 1.92(P = 0.029).Post-hoc subset analysis shows additional ADRs for TEC compared to SC were 4.4% for screening,35.7% for surveillance,55.4% for diagnostic and 40.7% for surveillance and diagnostic combined.The RR of missing adenomas with SC vs TEC was 1.11(P = 0.815) for screening,3.15(P = 0.014) for surveillance,8.64(P = 0.039) for diagnostic and 3.34(P = 0.003) for surveillance and diagnostic combined.Although a multivariate Poisson regression suggested gender as a possibly significant factor,subset analysis showed that the difference between genders was not statistically significant.Age,bowel prep quality and withdrawal time did not significantly affect the RR of missing adenomas with SC vs TEC.Mean sizes of adenomas detected with TEC and SC were similar at 0.59 cm and 0.56 cm,respectively(P = NS).CONCLUSION:TEC allows detection of significantly more adenomas compared to SC in patients undergoing surveillance or diagnostic workup,but not in screening patients(ClinicalTrials.gov Identifier:NCT01044732).Peter D Siersema Amit Rastogi Anke M Leufkens Paul A Akerman Kassem Azzouzi Richard I Rothstein Frank P Vleggaar Alessandro Repici Giacomo Rando Patrick I Okolo Olivier Dewit Ana Ignjatovic Elizabeth Odstrcil James East Pierre H Deprez Brian P Saunders Anthony N Kalloo Bradley Creel Vikas Singh Anne Marie Lennon Daniel C DeMarco 2012World Journal of Gastroenterology2012,18,26:6
9It is safe to use transdermal glyceryl trinitrate to lower blood pressure in patients with acute ischaemic stroke with carotid stenosis显示文摘Background There is concern that blood pressure(BP)lowering in acute stroke may compromise cerebral perfusion and worsen outcome in the presence of carotid stenosis.We assessed the effect of glyceryl trinitrate(GTN)in patients with carotid stenosis using data from the Efficacy of Nitric Oxide in Stroke(ENOS)Trial.Methods ENOS randomised 4011 patients with acute stroke and raised systolic BP(140-220 mm Hg)to transdermal GTN or no GTN within 48 hours of onset.Those on prestroke antihypertensives were also randomised to stop or continue their medication for 7 days.The primary outcome was the modified Rankin Scale(mRS)at day 90.Ipsilateral carotid stenosis was split:<30%;30-<50%;50-<70%;≥70%.Data are ORs with 95%CIs adjusted for baseline prognostic factors.results 2023(60.5%)ischaemic stroke participants had carotid imaging.As compared with<30%,≥70%ipsilateral stenosis was associated with an unfavourable shift in mRS(worse outcome)at 90 days(OR 1.88,95%CI 1.44 to 2.44,p<0.001).Those with≥70%stenosis who received GTN versus no GTN had a favourable shift in mRS(OR 0.56,95%CI 0.34 to 0.93,p=0.024).In those with 50-<70%stenosis,continuing versus stopping prestroke antihypertensives was associated with worse disability,mood,quality of life and cognition at 90 days.Clinical outcomes did not differ across bilateral stenosis groups.Conclusions Following ischaemic stroke,severe ipsilateral carotid stenosis is associated with worse functional outcome at 90 days.GTN appears safe in ipsilateral or bilateral carotid stenosis,and might improve outcome in severe ipsilateral carotid stenosis.Jason P Appleton Lisa J Woodhouse Andrew Belcher Daniel Bereczki Eivind Berge Valeria Caso Hui Meng Chang Hanne K Christensen Ronan Collins John Gommans Ann C Laska George Ntaios Serefnur Ozturk Gillian M Sare Szabolcs Szatmari Yongjun Wang Joanna M Wardlaw Nikola Sprigg Philip M Bath for the ENOS investigators 2019Stroke & Vascular Neurology2019,4,1:6
10DC-derived IL-18 drives Treg differentiation, murine Helicobacter pylori-specific immune tolerance, and asthma protection显示文摘Oertli Mathias Sundquist Malin Hitzler Iris Engler Daniela B Arnold Isabelle C Reuter Sebastian Maxeiner Joachim Hansson Malin Taube Christian Quiding-J?rbrink Marianne Müller Anne 2012EN2012,,3:5
11Colonoscopy surveillance for high risk polyps does not always prevent colorectal cancer显示文摘AIM To determine the frequency and risk factors for colorectal cancer(CRC) development among individuals with resected advanced adenoma(AA)/traditional serrated adenoma(TSA)/advanced sessile serrated adenoma(ASSA). METHODS Data was collected from medical records of 14663 subjects found to have AA, TSA, or ASSA at screening or surveillance colonoscopy. Patients with inflammatory bowel disease or known genetic predisposition for CRC were excluded from the study. Factors associated with CRC developing after endoscopic management of high risk polyps were calculated in 4610 such patients who had at least one surveillance colonoscopy within 10 years following the original polypectomy of the incident advanced polyp. RESULTS84/4610(1.8%) patients developed CRC at the polypectomy site within a median of 4.2 years(mean 4.89 years), and 1.2%(54/4610) developed CRC in a region distinct from the AA/TSA/ASSA resection site within a median of 5.1 years(mean 6.67 years). Approximately, 30%(25/84) of patients who developed CRC at the AA/TSA/ASSA site and 27.8%(15/54) of patients who developed CRC at another site had colonoscopy at recommended surveillance intervals. Increasing age; polyp size; male sex; right-sided location; high degree of dysplasia; higher number of polyps resected; and piecemeal removal were associated with an increased risk for CRC developmentat the same site as the index polyp. Increasing age; right-sided location; higher number of polyps resected and sessile endoscopic appearance of the index AA/TSA/ASSA were significantly associated with an increased risk for CRC development at a different site. CONCLUSION Recognition that CRC may develop following AA/TSA/ASSA removal is one step toward improving our practice efficiency and preventing a portion of CRC related morbidity and mortality.Mohamad A Mouchli Lidia Ouk Marianne R Scheitel Alisha P Chaudhry Donna Felmlee-Devine Diane E Grill Shahrooz Rashtak Panwen Wang Junwen Wang Rajeev Chaudhry Thomas C Smyrk Ann L Oberg Brooke R Druliner Lisa A Boardman 2018World Journal of Gastroenterology2018,24,8:5
12Helicobacter pylori infection prevents allergic asthma in mouse models through the induction of regulatory T cells显示文摘Arnold Isabelle C Dehzad Nina Reuter Sebastian Martin Helen Becher Burkhard Taube Christian Müller Anne 2011Journal of Clinical Investigation2011,,8:4
13Is liver biopsy necessary in the management of alcoholic hepatitis?显示文摘Acute alcoholic hepatitis(AAH)is characterised by deep jaundice in patients with a history of heavy alcohol use,which can progress to liver failure.A clinical diagnosis of AAH can be challenging to make in patients without a clear alcohol history or in the presence of risk factors for other causes of acute liver failure.Other causes of acute on chronic liver failure such as sepsis or variceal haemorrhage should be considered.Liver biopsy remains the only reliable method to make an accurate diagnosis.However,there is controversy surrounding the use of liver biopsy in patients with AAH because of the risks of performing a percutaneous biopsy and limitations in access to transjugular biopsy.We review the existing literature and find there are few studies directly comparing clinical and histological diagnosis of AAH.In the small number of studies that have been conducted the correlation between a clinical and histological diagnosis of AAH is poor.Due to this lack of agreement together with difficulties in accessing transjugular liver biopsy outside tertiary referral centres and research institutions,we cannot advocate universal biopsy for AAH but there remains a definite role for liver biopsy where there is clinical diagnostic doubt or dual pathology.Italso adds value in a clinical trial context to ensure a homogeneous trial population and to further our understanding of the disease pathology.Further prospective studies are required to determine whether non-invasive markers can be used to accurately diagnose AAH.Ashwin D Dhanda Peter L Collins C Anne McCune 2013World Journal of Gastroenterology2013,19,44:4
14Rilotumumab in combination with epirubicin, cisplatin, and capecitabine as first-line treatment for gastric or oesophagogastric junction adenocarcinoma: an open-label, dose de-escalation phase 1b study and a double-blind, randomised phase 2 study显示文摘Timothy Iveson Ross C Donehower Irina Davidenko Sergey Tjulandin Andrzej Deptala Mark Harrison Somanath Nirni Kuntegowdanahalli Lakshmaiah Anne Thomas Yizhou Jiang Min Zhu Rui Tang Abraham Anderson Sarita Dubey Kelly S Oliner Elwyn Loh 2014Lancet Oncology2014,,9:3
15Plant functional and phylogenetic turnover correlate with climate and land use in the Western Swiss Alps显示文摘Aims Understanding the relative importance of historical and environ-mental processes in the structure and composition of communities is one of the longest quests in ecological research.Increasingly,researchers are relying on the functional and phylogeneticβ-diversity of natural communities to provide concise explanations on the mechanistic basis of community assembly and the drivers of trait variation among species.The present study investigated how plant functional and phylogeneticβ-diversity change along key environmental and spatial gradients in the Western Swiss Alps.Methods Using the quadratic diversity measure based on six functional traits-specific leaf area,leaf dry matter content,plant height,leaf carbon content,leaf nitrogen content and leaf carbon to nitrogen content alongside a species-resolved phylogenetic tree-we relate variations in climate,spatial geographic,land use and soil gradients to plant functional and phylogenetic turnover in mountain commu-nities of the Western Swiss Alps.Important Findings Our study highlights two main points.First,climate and land-use factors play an important role in mountain plant community turnover.Second,the overlap between plant functional and phy-logenetic turnover along these gradients correlates with the low phylogenetic signal in traits,suggesting that in mountain land-scapes,trait lability is likely an important factor in driving plant community assembly.Overall,we demonstrate the importance of climate and land-use factors in plant functional and phyloge-netic community turnover and provide valuable complementary insights into understanding patterns ofβ-diversity along several ecological gradients.Charlotte Ndiribe Loïc Pellissier Anne Dubuis Pascal Vittoz Nicolas Salamin Antoine Guisan 2014Journal of Plant Ecology2014,7,5:3
16Gut-microbiome-brain axis:the crosstalk between the vagus nerve,alpha-synuclein and the brain in Parkinson's disease显示文摘This critical review of the literature shows that there is a close link between the microbiome,the gut,and the brain in Parkinson's disease.The vagus nerve,the main component of the parasympathetic nervous system,is involved in the regulation of immune response,digestion,heart rate,and control of mood.It can detect microbiota metabolites through its afferents,transferring this gut information to the central nervous system.Preclinical and clinical studies have shown the important role played by the gut microbiome and gut-related factors in disease development and progression,as well as treatment responses.These findings suggest that the gut microbiome may be a valuable target for new therapeutic strategies for Parkinson's disease.More studies are needed to better understand the underlying biology and how this axis can be modulated for the patient's benefit.Júlio César Claudino dos Santos Leandro Freitas Oliveira Felipe Micelli Noleto Camilla Teixeira Pinheiro Gusmão Gerly Anne de Castro Brito Glauce Socorro de Barros Viana 2023Neural Regeneration Research2023,18,12:2
17Akt Promotes Cell Survival by Phosphorylating and Inhibiting a Forkhead Transcription Factor显示文摘Anne Brunet Azad Bonni Michael J Zigmond Michael Z Lin Peter Juo Linda S Hu Michael J Anderson Karen C Arden John Blenis Michael E Greenberg 1999Cell1999,,6:2
18A next-generation marker genotyping platform(AmpSeq)in heterozygous crops:a case study for marker-assisted selection in grapevine显示文摘Marker-assisted selection(MAS)is often employed in crop breeding programs to accelerate and enhance cultivar development,via selection during the juvenile phase and parental selection prior to crossing.Next-generation sequencing and its derivative technologies have been used for genome-wide molecular marker discovery.To bridge the gap between marker development and MAS implementation,this study developed a novel practical strategy with a semi-automated pipeline that incorporates trait-associated single nucleotide polymorphism marker discovery,low-cost genotyping through amplicon sequencing(AmpSeq)and decision making.The results document the development of a MAS package derived from genotyping-by-sequencing using three traits(flower sex,disease resistance and acylated anthocyanins)in grapevine breeding.The vast majority of sequence reads(⩾99%)were from the targeted regions.Across 380 individuals and up to 31 amplicons sequenced in each lane of MiSeq data,most amplicons(83 to 87%)had<10%missing data,and read depth had a median of 220–244×.Several strengths of the AmpSeq platform that make this approach of broad interest in diverse crop species include accuracy,flexibility,speed,high-throughput,low-cost and easily automated analysis.Shanshan Yang Jonathan Fresnedo-Ramíre Minghui Wang Linda Cote Peter Schweitzer Paola Barba Elizabeth M Takacs Matthew Clark James Luby David C Manns Gavin Sacks Anna Katharine Mansfield Jason Londo Anne Fennell David Gadoury Bruce Reisch Lance Cadle-Davidson Qi Sun 2016Horticulture Research2016,3,1:2
19Essential role of TRPC1 channels in cardiomyoblasts hypertrophy mediated by 5-HT 2A serotonin receptors显示文摘Cécile Vindis Romina D’Angelo Elodie Mucher Anne Nègre-Salvayre Angelo Parini Jeanne Mialet-Perez 2009Biochemical and Biophysical Research Communications2009,,1:2
20Folate and vitamin B12 in idiopathic male infertility显示文摘尽管 methylenetetrahydrofolate reductase,叶酸的酶基因,与自发的男不孕被联系了,很少研究检验了另外的叶酸相关的代谢物和基因。我们调查了自发的男不孕是否与变体被联系在叶酸,维生素 B 12(B12 ) 和全部的 homocysteine (tHcy ) 联系了基因并且在血测量了这些代谢物。我们进行了与自发的不孕和在生育力中心和胎儿的照顾中心招募的 184 肥沃的男控制包括了 153 个人的盒子控制研究,大学医院, Malmö并且 Lund,瑞典。浆液叶酸的、红房间叶酸(RCF ) ,浆液 B12,血浆 tHcy 和精液质量被测量。题目是为在与 folate/B12/homocysteine 新陈代谢有关的 12 基因的 20 普通变体的 genotyped。代谢物集中和遗传型分布为 covariates 与调整用线性、逻辑的回归在案例和控制之间被作比较。phosphatidylethanolamine N-methyltransferase (PEMT ) M175V 和 TCblR rs173665 多型性显著地与不孕被联系(P=0.01 和 P=0.009,分别地) ,然而并非与精液质量。在补充的非用户之中,有的不肥沃的人降低浆液叶酸的集中比肥沃的人(12.89 对 14.73   nmol l −1 ;P=0.02 ) ,但是在 RCF, B12 或 tHcy 没有重要差别。叶酸, B12 和 tHcy 集中没与任何精液参数被相关。这研究几乎不提供小支持为低叶酸或在自发的男不孕的致病的 B12 地位。尽管另外的数据被需要证实这些起始的调查结果,我们的结果建议那 PEMT 和 TCblR,基因在胆碱和 B12 新陈代谢包含了,在自发的男不孕应得进一步的调查。Laurel E Murphy James L Mills Anne M Molloy Cong Qian Tonia C Carter Helena Strevens Dag Wide-Swensson Aleksander Giwercman Richard J Levine 2011Asian Journal of Andrology2011,13,6:2
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