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排序方式: 共有85条查询结果,搜索用时 15 毫秒
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Brawner Bridgette M. Kerr Jelani Castle Billie F. Bannon Jaqueline A. Bonett Stephen Stevens Robin James Richard Bowleg Lisa 《AIDS and behavior》2022,26(3):874-934
AIDS and Behavior - A better understanding of the social-structural factors that influence HIV vulnerability is crucial to achieve the goal of ending the HIV epidemic by 2030. Given the role of... 相似文献
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Nayab Kanwal Amna Jabbar Siddiqui Faraz Ul Haq Hesham R. El-Seedi Syed Ghulam Musharraf 《RSC advances》2018,8(71):41023
Triterpenoid glycosides are molecules widely distributed in plants and have shown a wide range of biological activities against various diseases. This paper describes the qualitative and quantitative analysis of triterpenoid glycoside (saponins) using a two-stage mass spectrometry approach in five samples of Fagonia indica collected from various parts of the country. In the first stage, triterpenoid glycosides were identified using liquid chromatography high-resolution mass spectrometry using UHPLC-QTOF-MS system. In the second stage, compounds were quantified using a multiple reaction monitoring (MRM) approach using an UHPLC-QQQ-MS system. Fagonia indica has shown a wide range of biological activities and found to be rich in saponin or triterpenoid glycoside constituents. A total of thirteen triterpenoid saponins were identified based on high-resolution analysis, MS/MS and database comparison, while six of them were simultaneously quantified using the multiple reaction monitoring (MRM) approach. The results indicate that the samples share a similar UHPLC pattern, however, the amount of these saponins in samples varies greatly. Compound 4i.e. nayabin D was the major constituent (1.4–3.8 μg g−1) among the six analyzed compounds. The results demonstrated that the developed multi-compound determination in combination with a fingerprint analysis method is rapid, accurate, precise and sensitive and can be utilized for quality control and high-throughput quantification of various saponins in Fagonia indica may be extended to other plant species.Development of a rapid, accurate, precise, and effective method for the analysis and quantification of saponins in crude extracts from Fagonia indica. 相似文献
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Jahan M 《Journal of the College of Physicians and Surgeons--Pakistan : JCPSP》2004,14(4):260; author reply 260
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Qurat-ul-ain Jelani Mikhail Petrov Sara C. Martinez Lene Holmvang Khaled Al-Shaibi Mirvat Alasnag 《Current atherosclerosis reports》2018,20(8):40
Purpose of Review
Peripheral arterial disease (PAD) is the third most common manifestation of cardiovascular disease (CVD), following coronary artery disease (CAD) and stroke. PAD remains underdiagnosed and under-treated in women.Recent Findings
Women with PAD experience more atypical symptoms and poorer overall health status. The prevalence of PAD in women increases with age, such that more women than men have PAD after the age of 40 years. There is under-representation of PAD patients in clinical trials in general and women in particular. In this article, we address the lack of women participants in PAD trials. We then present a comprehensive overview of the epidemiology/risk factor profile, clinical features, treatment, and outcomes.Summary
PAD is prevalent in women and its global burden is on the rise despite a decline in global age-standardized death rate from CVD. The importance of this issue has been underlined by the American Heart Association’s (AHA) “Call to Action” scientific statement on PAD in women. Large-scale campaigns are needed to increase awareness among physicians and the general public. Furthermore, effective treatment strategies must be implemented.8.
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A novel deletion mutation in LIPH gene causes autosomal recessive hypotrichosis (LAH2) 总被引:1,自引:0,他引:1
Autosomal recessive hypotrichosis is a rare hereditary disorder characterized by sparse hair on scalp and rest of the body of affected subjects. Recently, three clinically similar autosomal recessive forms of hypotrichosis [localized autosomal recessive hypotrichosis (LAH)1], LAH2 and LAH3 have been mapped on chromosomes 18q12.1, 3q27.3, and 13q14.11-q21.32, respectively. For these three loci, two genes DSG4 for LAH1 and LIPH for LAH2 have been identified. To date, only five mutations in DSG4 and two in LIPH genes have been reported. In this study, we have ascertained two large unrelated consanguineous Pakistani families with autosomal recessive form of hypotrichosis. Affected individuals showed homozygosity to the microsatellite markers tightly linked to LIPH gene on chromosome 3q27. Sequence analysis of the gene in the affected subjects from both the families revealed a novel deletion mutation in exon 5 (c.659-660delTA) causing frameshift and downstream premature termination codon. All the three mutations identified in the LIPH gene, including the one in this study, are deletion mutations. 相似文献
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Case of Sjögren–Larsson syndrome with a large deletion in the ALDH3A2 gene confirmed by single nucleotide polymorphism array analysis
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Nagwa E. A. Gaboon Musharraf Jelani Mona M. Almramhi Hussein S. A. Mohamoud Jumana Y. Al‐Aama 《The Journal of dermatology》2015,42(7):706-709
Sjögren–Larsson syndrome (SLS) is a neurocutaneous disorder inherited in an autosomal recessive fashion. SLS patients are characterized by lipid metabolism error, primarily leading to cardinal signs of ichthyosis, spasticity and mental retardation. Additional signs include short stature, epilepsy, retinal abnormalities and photophobia. More than 90 mutations of the ALDH3A2 gene have been reported for SLS, and such variants can be successfully detected at a rate of 94% by direct DNA sequencing. We performed direct sequencing of ALDH3A2 gene from the index patient, however, no mutation could be detected. HumanCytoSNPs12 array analysis and subsequent targeted single nucleotide polymorphism analysis revealed a novel deletion mutation at chromosome 17p11.2. This 67‐Kb region includes the first five coding exons of ALDH3A2, and is flanked by rs2245639 and rs962801. To the best of our knowledge, this mutation is novel and our findings broaden the mutation spectrum of ALDH3A2 causing SLS phenotype. 相似文献