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Yakout SM, Abdi S, Alaskar AH, Khattak MNK, Al-Masri AA, Al-Daghri NM. Impact of Vitamin D Status Correction on Serum Lipid Profile, Carboxypeptidase N and Nitric Oxide Levels in Saudi Adults. Int J Mol Sci 2023; 24:ijms24097711. [PMID: 37175418 PMCID: PMC10177893 DOI: 10.3390/ijms24097711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
This study aimed to determine the impact on the lipid profile, carboxypeptidase N (CPN) and nitric oxide (NOx) associated with vitamin D (VD) status correction among Saudi adults with VD deficiency. A total 111 VD deficient (25(OH)D < 50 nmol/L)) adult Saudis aged 18-50 years old (57 females and 54 males) were enrolled in this 6-month interventional study. They were given 50,000 IU VD weekly for the first 2 months and then twice a month for the next 2 months, followed by 1000 IU daily for the last 2 months. The fasting lipid profile and the blood glucose, VD, NOx and CPN concentrations were measured at baseline and after intervention. Post-supplementation, the median VD was significantly higher (p < 0.001) in females [58.3 (50.6-71.2)] and males [57.8 (51.0-71.8)]. HDL cholesterol significantly increased (p = 0.05) and NOx significantly decreased (p = 0.02) in males post-supplementation. Triglycerides were positively associated with NOx in all subjects before (r = 0.44, p = 0.01) and after (r = 0.37, p = 0.01) VD status correction. There was a significant increase in serum levels of CPN2 (p = 0.02) in all subjects. Furthermore, CPN was inversely correlated with NOx (r = -0.35, p = 0.05) in males post-supplementation. In conclusion, VD status correction reduced serum NOx, particularly in males. The inhibition of NOx synthesis may be responsible for the anti-inflammatory effects of VD supplementation. An inverse association was found between NOx and CPN2.
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Affiliation(s)
- Sobhy M Yakout
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saba Abdi
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Alhanouf H Alaskar
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Malak Nawaz Khan Khattak
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abeer A Al-Masri
- Department of Physiology, College Medicine, King Saud University, Riyadh 11451, Saudi Arabia
| | - Nasser M Al-Daghri
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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Amer OE, Wani K, Ansari MGA, Alnaami AM, Aljohani N, Abdi S, Hussain SD, Al-Daghri NM, Alokail MS. Associations of Bone Mineral Density with RANKL and Osteoprotegerin in Arab Postmenopausal Women: A Cross-Sectional Study. Medicina (Kaunas) 2022; 58:medicina58080976. [PMID: 35893092 PMCID: PMC9330386 DOI: 10.3390/medicina58080976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 07/08/2022] [Accepted: 07/20/2022] [Indexed: 11/16/2022]
Abstract
Background and objective: There is limited information as to the association of several key bone markers with bone mineral density (BMD) in understudied ethnic groups. This study investigated the relationship between circulating levels of osteoprotegerin (OPG) and receptor activator of nuclear factor kappa-Β ligand (RANKL) with BMD in Arab postmenopausal women. Materials and methods: In this cross-sectional study, a total of 617 Saudi postmenopausal women from the Osteoporosis Registry of the Chair for Biomarkers of Chronic Diseases were included. Anthropometric data, BMD, and biochemical data were retrieved from the registry. Participants were stratified into three groups based on T-score; n = 169 with osteoporosis, n = 282 with osteopenia, and n = 166 normal. Analysis of bone markers including RANKL, OPG, osteocalcin, and N-terminal telopeptide (NTx) was completed using commercially available bioassays. Results: The results suggested that OPG was significantly and positively correlated with age in the osteoporosis group (r = 0.29, p < 0.05), while it was inversely correlated with BMD femoral neck left (r = −0.56, p < 0.001) and BMD femoral neck right (r = −0.37, p < 0.05) in the same group. Moreover, RANKL showed a significant inverse correlation with NTx in the osteopenia group (r = −0.37, p < 0.05). Furthermore, the RANKL/OPG ratio had a positive and significant correlation with BMI (r = 0.34, p < 0.05), BMD femoral neck left (r = 0.36, p < 0.05) and BMD femoral neck right (r = 0.35, p < 0.05) in the osteopenia group. By contrast, it showed a significant inverse correlation with waist to hip ratio in the osteoporosis group (r = −0.38, p < 0.05). Multiple regression analysis showed that OPG contributes to BMD variations in the osteopenia group (p = 0.03). Conclusions: In conclusion, changes in circulating levels of RANKL and OPG might be a protective mechanism contrary to the increased bone loss in postmenopausal women.
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Affiliation(s)
- Osama E. Amer
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (O.E.A.); (K.W.); (M.G.A.A.); (A.M.A.); (S.A.); (S.D.H.)
| | - Kaiser Wani
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (O.E.A.); (K.W.); (M.G.A.A.); (A.M.A.); (S.A.); (S.D.H.)
| | - Mohammed G. A. Ansari
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (O.E.A.); (K.W.); (M.G.A.A.); (A.M.A.); (S.A.); (S.D.H.)
| | - Abdullah M. Alnaami
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (O.E.A.); (K.W.); (M.G.A.A.); (A.M.A.); (S.A.); (S.D.H.)
| | - Naji Aljohani
- Obesity, Endocrine and Metabolic Center, King Fahad Medical City, Riyadh 59046, Saudi Arabia;
| | - Saba Abdi
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (O.E.A.); (K.W.); (M.G.A.A.); (A.M.A.); (S.A.); (S.D.H.)
| | - Syed D. Hussain
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (O.E.A.); (K.W.); (M.G.A.A.); (A.M.A.); (S.A.); (S.D.H.)
| | - Nasser M. Al-Daghri
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (O.E.A.); (K.W.); (M.G.A.A.); (A.M.A.); (S.A.); (S.D.H.)
- Correspondence: ; Tel.: +966-14675939; Fax: +966-14675931
| | - Majed S. Alokail
- Protein Research Chair, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;
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Alyami NM, Abdi S, Alyami HM, Almeer R. Proanthocyanidins alleviate pentylenetetrazole-induced epileptic seizures in mice via the antioxidant activity. Neurochem Res 2022; 47:3012-3023. [PMID: 35838827 DOI: 10.1007/s11064-022-03647-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 05/24/2022] [Accepted: 05/31/2022] [Indexed: 01/20/2023]
Abstract
The role of oxidative stress in the initiation and progress of epilepsy is well established. Proanthocyanidins (PACs), a naturally occurring polyphenolic compound, have been reported to possess a broad spectrum of pharmacological and therapeutic properties against oxidative stress. However, the protective effects of proanthocyanidins against epilepsy have not been clarified. In the present study, we used the pentylenetetrazole (PTZ)-induced epilepsy mouse model to explore whether proanthocyanidins could help to reduce oxidative stress and protect against epilepsy. Mice were allocated into four groups (n = 14 per each group): control, PTZ (60 mg/kg, intraperitoneally), PACs + PTZ (200 mg/kg, p.o.) and sodium valproate (VPA) + PTZ (200 mg/kg, p.o.). PTZ injection caused oxidative stress in the hippocampal tissue as represented by the elevated lipid peroxidation and NO synthesis and increased expression of iNOS. Furthermore, depleted levels of anti-oxidants, GSH, GR, GPx, SOD, and CAT also indicate that oxidative stress was induced in mice exposed to PTZ. Additionally, a state of neuroinflammation was recorded following the developed seizures. Moreover, neuronal apoptosis was recorded following the development of epileptic convulsions as confirmed by the elevated Bax and caspase-3 and the decreased Bcl2 protein. Moreover, AChE activity, DA, NE, 5-HT, brain-derived neurotrophic factor levels, and gene expression of Nrf2 have decreased in the hippocampal tissue of PTZ exposed mice. However, pre-treatment of mice with PACs protected against the generation of oxidative stress, apoptosis, and neuroinflammation in the PTZ exposed mice brain as the biomarkers for all these conditions was bought to control levels. In addition, the gene expression of Nrf2 was significantly upregulated following PACs treatment. These results suggest that PACs can ameliorate oxidative stress, neuroinflammation, and neuronal apoptosis by activating the Nrf2 signaling pathway in PTZ induced seizures in mice.
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Affiliation(s)
- Nouf M Alyami
- Department of Zoology, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Saba Abdi
- Department of Biochemistry, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Hanadi M Alyami
- Specialized Dentistry Department, King Fahad Medical City, Riyadh, Saudi Arabia
| | - Rafa Almeer
- Department of Zoology, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia.
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Al-Daghri NM, Sabico S, Ansari MG, Abdi S, Tripathi G, Chrousos GP, McTernan PG. Endotoxemia, vitamin D and premature biological ageing in Arab adults with different metabolic states. Saudi J Biol Sci 2022; 29:103276. [PMID: 35431594 PMCID: PMC9011112 DOI: 10.1016/j.sjbs.2022.03.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 02/15/2022] [Accepted: 03/19/2022] [Indexed: 11/30/2022] Open
Abstract
There are limited studies on the association of endotoxin, a potent mediator of gut-derived inflammation and telomere length (TL). We investigated (1) the influence of adiposity on endotoxin and TL amongst Saudi adults according to type 2 diabetes mellitus (T2DM) status and (2) the influence vitamin D may have on TL attrition. Anthropometric data and fasting blood samples were taken from 775 Saudi adults visiting different primary care centers in Riyadh [387 T2DM and 388 non-T2DM]. TL, derived from peripheral blood mononuclear cells, was analyzed by Quantitative real-time polymerase chain reaction and circulating endotoxin levels by Limulus Amebocyte Lysate assay. Subjects were stratified based on obesity and T2DM status. A significant lower TL was observed in the non-obese T2DM group as compared with their non-obese, non-T2DM counterparts (p = 0.002). Significant inverse associations between TL, endotoxin and endotoxin activity were observed in the cohort with obesity. Regression analysis showed that endotoxin was a significant predictor for TL in all subjects and even after stratification according to subgroups; with variances perceived in circulating TL stronger among non-T2DM obese (10%; p = 0.003) than non-T2DM non-obese (12%; p = 0.007). Also, in the non-T2DM group, TL and HDL-cholesterol predicted 29% of the variances perceived in 25(OH)D (p < 0.001). Taken together these findings show that circulating endotoxin and 25(OH)D are associated with premature biological ageing influenced by adiposity and metabolic state; suggesting future intervention studies to manipulate gut microbiome and or vitamin D levels may offer ways to mitigate premature TL attrition.
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Affiliation(s)
- Nasser M. Al-Daghri
- Biochemistry Department, Chair for Biomarkers of Chronic Diseases, King Saud University, Riyadh 11451, Saudi Arabia
- Corresponding authors.
| | - Shaun Sabico
- Biochemistry Department, Chair for Biomarkers of Chronic Diseases, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohammed G.A. Ansari
- Biochemistry Department, Chair for Biomarkers of Chronic Diseases, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saba Abdi
- Biochemistry Department, Chair for Biomarkers of Chronic Diseases, King Saud University, Riyadh 11451, Saudi Arabia
| | - Gyanendra Tripathi
- Human Sciences Research Centre, School of Human Sciences, University of Derby, Derby, DE122 1GB, UK
| | - George P. Chrousos
- University Research Institute of Maternal and Child Health and Precision Medicine, UNESCO Chair on Adolescent Health Care, National and Kapodistrian University of Athens, 11527 Athens, Greece, Greece
| | - Philip G. McTernan
- Department of Biosciences, School of Science and Technology, Nottingham Trent University, Nottingham, NG1 8NS, UK
- Corresponding authors.
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Almarashda O, Abdi S, Yakout S, Khattak MNK, Al-Daghri NM. Hepatokines Fetuin-A and Fetuin-B status in obese Saudi patient with diabetes mellitus type 2. Am J Transl Res 2022; 14:3292-3302. [PMID: 35702137 PMCID: PMC9185080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 03/31/2022] [Indexed: 06/15/2023]
Abstract
The present study aims to investigate the association of the serum levels of Fetuin-A and Fetuin-B with type 2 diabetes mellitus (T2DM) in obese Saudi patients and explore the mechanism that links obesity and T2DM in Saudi patients. In this study, a total of 240 adult Saudis (116 men and 124 women) in the age group of 42.7±11.6 years were divided into three groups based on fasting blood glucose (FBG) levels: controls, T2DM and prediabetic. The levels of FBG, lipid profile and serum insulin were measured. Enzyme-linked immunosorbent assay (ELISA) was done to measure Fetuin-A, Fetuin-B and C-reactive protein (CRP). The results show that participants of the prediabetic and T2DM groups had significantly higher body mass index (BMI) values and elevated blood pressure (BP), FBG, total cholesterol (TC), triglyceride (TG), insulin, homeostatic model assessment-IR (HOMA-IR) and homeostatic model assessment-β (HOMA-β) as compared to the control group (P<0.001). The T2DM group participants exhibited significantly higher BMI, BP, FBG, TG, insulin, HOMA-IR and HOMA-β as compared to the prediabetic group participants (P<0.001). The serum levels of high-density lipoprotein-cholesterol (HDL-C) and low-density lipoprotein-cholesterol (LDL-C) were not significantly different among the three tested groups. The serum concentrations of CRP, Fetuin-A and Fetuin-B were slightly higher in T2DM patients as compared to the control group, but the difference failed to reach statistical significance (P>0.05). When results were segregated according to gender, FBG and HDL-C were significantly elevated (P=0.043 and P=0.002, respectively) in T2DM women (12.6±3.6 mmol/l and 1.0±0.3 mmol/l, respectively) compared to T2DM men (11.0±3.3 mmol/l and 0.86±0.2 mmol/l, respectively). However, the diastolic BP and waist-hip ratio (WHR) were significantly increased (P=0.010 and P=0.006, respectively) in T2DM men. The BMI and TC and all other measured parameters were similar between the two genders. Fetuin-A was significantly and positively associated with insulin levels (R=0.19, P=0.05), HOMA-IR (R=0.25, P=0.01) and TG (R=0.20, P=0.01) among overall participants of this study. The T2DM participants exhibited a significantly positive correlation with body weight. Fetuin-A was significantly and positively correlated with Fetuin-B in prediabetic participants, but this relation was not observed in the T2DM participants. Fetuin-B correlated inversely (P<005) with systolic BP (R=-0.20, P=0.01) and diastolic BP (R=-0.18, P=0.05). Interestingly, a strong inverse correlation was observed between Fetuin-B and TG in overall participants (R=-0.21, P=0.01) and specifically in T2DM women (R=-0.41, P=0.01). In conclusion, our study did not find a significant association of Fetuin-A or Fetuin-B levels in serum with T2DM. However, our results suggest that Fetuin-A may influence insulin resistance and serum Fetuin-B concentrations were inversely associated with TG in the general adult Saudi population.
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Affiliation(s)
- Ola Almarashda
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science Riyadh 11451, Saudi Arabia
| | - Saba Abdi
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science Riyadh 11451, Saudi Arabia
| | - Sobhy Yakout
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science Riyadh 11451, Saudi Arabia
| | - Malak Nawaz Khan Khattak
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science Riyadh 11451, Saudi Arabia
| | - Nasser M Al-Daghri
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science Riyadh 11451, Saudi Arabia
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Almeer RS, Alkahtani S, Alarifi S, Moneim AEA, Abdi S, Albasher G. Ziziphus spina-christi Leaf Extract Mitigates Mercuric Chloride-induced Cortical Damage in Rats. Comb Chem High Throughput Screen 2022; 25:103-113. [PMID: 33280592 DOI: 10.2174/1386207323666201204124412] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 10/23/2020] [Accepted: 11/15/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Mercuric chloride (HgCl2) severely impairs the central nervous system when humans are exposed to it. AIMS We investigated the neuroprotective efficiency of Ziziphus spina-christi leaf extract (ZSCLE) on HgCl2-mediated cortical deficits. METHODS Twenty-eight rats were distributed equally into four groups: the control, ZSCLE-treated (300 mg/kg), HgCl2-treated (0.4 mg/kg), and ZSCLE+HgCl2-treated groups. Animals received their treatments for 28 days. RESULTS Supplementation with ZSCLE after HgCl2 exposure prevented the deposition of mercury in the cortical slices. It also lowered malondialdehyde levels and nitrite and nitrate formation, elevated glutathione levels, activated its associated-antioxidant enzymes, glutathione reductase, and glutathione peroxidase, and upregulated the transcription of catalase and superoxide dismutase and their activities were accordingly increased. Moreover, ZSCLE activated the expression of nuclear factor erythroid 2-related factor 2 and heme oxygenase-1 when compared with the HgCl2 group. Notably, post-treatment with ZSCLE increased the activity of acetylcholinesterase and ameliorated the histopathological changes associated with HgCl2 exposure. Furthermore, ZSCLE blocked cortical inflammation, as observed by the lowered mRNA expression and protein levels of interleukin-1 beta and tumor necrosis factor-alpha, as well as decreased mRNA expression of inducible nitric oxide synthase. In addition, ZSCLE decreased neuron loss by preventing apoptosis in the cortical tissue upon HgCl2 intoxication. CONCLUSION Based on the obtained findings, we suggest that ZSCLE supplementation could be applied as a neuroprotective agent to decrease neuron damage following HgCl2 toxicity.
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Affiliation(s)
- Rafa S Almeer
- Department of Zoology, College of Science, King Saud University, Riyadh,Saudi Arabia
| | - Saad Alkahtani
- Department of Zoology, College of Science, King Saud University, Riyadh,Saudi Arabia
| | - Saud Alarifi
- Department of Zoology, College of Science, King Saud University, Riyadh,Saudi Arabia
| | - Ahmed E Abdel Moneim
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo,Egypt
| | - Saba Abdi
- Department of Biochemistry, College of Science, King Saud University, Riyadh,Saudi Arabia
| | - Gadah Albasher
- Department of Zoology, College of Science, King Saud University, Riyadh,Saudi Arabia
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Albader N, Zou M, BinEssa HA, Abdi S, Al-Enezi AF, Meyer BF, Alzahrani AS, Shi Y. Insights of Noncanonical Splice-site Variants on RNA Splicing in Patients With Congenital Hypothyroidism. J Clin Endocrinol Metab 2022; 107:e1263-e1276. [PMID: 34632506 DOI: 10.1210/clinem/dgab737] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Indexed: 11/19/2022]
Abstract
CONTEXT Congenital hypothyroidism (CH) is caused by mutations in the genes for thyroid hormone synthesis. In our previous investigation of CH patients, approximately 53% of patients had mutations in either coding exons or canonical splice sites of causative genes. Noncanonical splice-site variants in the intron were detected but their pathogenic significance was not known. OBJECTIVE This work aims to evaluate noncanonical splice-site variants on pre-messenger RNA (pre-mRNA) splicing of CH-causing genes. METHODS Next-generation sequencing data of 55 CH cases in 47 families were analyzed to identify rare intron variants. The effects of variants on pre-mRNA splicing were investigated by minigene RNA-splicing assay. RESULTS Four intron variants were found in 3 patients: solute carrier family 26 member 4 (SLC26A4) c.1544+9C>T and c.1707+94C>T in one patient, and solute carrier family 5 member 5 (SLC5A5) c.970-48G>C and c.1652-97A>C in 2 other patients. The c.1707+94C>T and c.970-48G>C caused exons 15 and 16 skipping, and exon 8 skipping, respectively. The remaining variants had no effect on RNA splicing. Furthermore, we analyzed 28 previously reported noncanonical splice-site variants (4 in TG and 24 in SLC26A4). Among them, 15 variants (~ 54%) resulted in aberrant splicing and 13 variants had no effect on RNA splicing. These data were compared with 3 variant-prediction programs (FATHMM-XF, FATHMM-MKL, and CADD). Among 32 variants, FATHMM-XF, FATHMM-MKL, and CADD correctly predicted 20 (63%), 17 (53%), and 26 (81%) variants, respectively. CONCLUSION Two novel deep intron mutations have been identified in SLC26A4 and SLC5A5, bringing the total number of solved families with disease-causing mutations to approximately 45% in our cohort. Approximately 46% (13/28) of reported noncanonical splice-site mutations do not disrupt pre-mRNA splicing. CADD provides highest prediction accuracy of noncanonical splice-site variants.
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Affiliation(s)
- Najla Albader
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11495, Saudi Arabia
| | - Minjing Zou
- Centre for Genomic Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
| | - Huda A BinEssa
- Centre for Genomic Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
| | - Saba Abdi
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11495, Saudi Arabia
| | - Anwar F Al-Enezi
- Centre for Genomic Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
| | - Brian F Meyer
- Centre for Genomic Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
| | - Ali S Alzahrani
- Department of Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
| | - Yufei Shi
- Centre for Genomic Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia
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Abdi S, Alghamdi AA, AlGhunaim NNA, Almutairi RM, Ataya FS, Ansari MGA, Hussain SD, Masoud M, Alamro A, Almutairi OT, Al-Daghri NM, Muayqil TA. Association of Alzheimer's Disease with Genetic Variants of Apolipoprotein E, Clusterin, TNF-α and IL-6 Among Elderly Saudis. Curr Pharm Biotechnol 2022; 23:1893-1902. [PMID: 35135450 DOI: 10.2174/1389201023666220208093919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 12/25/2021] [Accepted: 12/27/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND In the wake of the warning by WHO that the prevalence of dementia may have a rise of 125% in the Middle East by 2050, identification of the genetic risk factors in Arab populations is urgent. OBJECTIVE To investigate the association of Single Nucleotide Polymorphisms (SNPs) in apolipoprotein E (ApoE), clusterin (CLU), tumor necrotic factor- α (TNF-α) and interleukin-6 (IL-6) genes, with risk of Alzheimer's disease (AD) in Saudi Arabian participants. METHOD A total of 42 Saudi AD patients and 23 age-matched control participants were genotyped for eight SNPs: rs429358, rs7412 (ApoE); rs11136000, rs1532278(CLU); rs1800629, rs1799724(TNF-α) and rs1800796, rs1800795(IL-6), by RT-PCR using the TaqMan assay. Serum concentrations of amyloid beta peptide 1-40(Aβ1-40), amyloid beta peptide 1-42(Aβ1-42), CLU and some other biochemical markers were measured. RESULTS A significant increase (p=0.004) in the serum CLU level was detected in the AD group (340.4 ± 74.6) compared with control group (265.0 ± 80.9). For rs1532278 (CLU), genotype GA was significantly higher in AD patients (57.1%) than in the control participants (26.1%), [p=0.036, OR = 3.67, 95% CI (1.10-12.32)]. For rs429358 (ApoE), patients showed a significantly increased frequency of the TC genotype than controls [p = 0.008, OR = 17.5, 95% CI (2.10-145.78)]. AD patients with CC genotype for ApoE rs429358 had significantly lower levels of Aβ1-40 (p=0.04) in AD patients than controls. Carriers of genotype GG for rs1800629(TNF-α) showed significantly higher levels of serum IL-6 (p = 0.04) in AD patients. CONCLUSION Genetic variants in ApoE and CLU may influence susceptibility to AD among Saudi Arabian participants.
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Affiliation(s)
- Saba Abdi
- Department of Biochemistry, College of Science, King Saud University, PO Box 22452, Riyadh 11495, Saudi Arabia
| | - Amani Ahmed Alghamdi
- Department of Biochemistry, College of Science, King Saud University, PO Box 22452, Riyadh 11495, Saudi Arabia
| | | | - Reem Muteb Almutairi
- Department of Biochemistry, College of Science, King Saud University, PO Box 22452, Riyadh 11495, Saudi Arabia
| | - Farid Shokry Ataya
- Department of Biochemistry, College of Science, King Saud University, PO Box 22452, Riyadh 11495, Saudi Arabia
| | - Mohammed Ghouse Ahmed Ansari
- Chair for Biomarkers of Chronic Diseases, Department of Biochemistry, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
| | - Syed Danish Hussain
- Chair for Biomarkers of Chronic Diseases, Department of Biochemistry, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
| | - Mohammad Masoud
- Chair for Biomarkers of Chronic Diseases, Department of Biochemistry, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
| | - Abir Alamro
- Department of Biochemistry, College of Science, King Saud University, PO Box 22452, Riyadh 11495, Saudi Arabia
| | - Othman T Almutairi
- College of Medicine, King Saud University, PO Box 22452, Riyadh 11495, Saudi Arabia
| | - Nasser M Al-Daghri
- Chair for Biomarkers of Chronic Diseases, Department of Biochemistry, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
| | - Taim Abdullah Muayqil
- Neurology Unit, Department of Medicine, College of Medicine, King Saud University, PO Box 22452, Riyadh 11495, Saudi Arabia
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Bachir Cherif A, Bennouar S, Abdi S, Bouafia M. Combined effect of obesity and metabolic profile on glomerular dysfunction in hypertensive subjects. Archives of Cardiovascular Diseases Supplements 2022. [DOI: 10.1016/j.acvdsp.2021.09.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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10
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Al-Daghri NM, Abdi S, Sabico S, Alnaami AM, Wani KA, Ansari MGA, Khattak MNK, Khan N, Tripathi G, Chrousos GP, McTernan PG. Gut-Derived Endotoxin and Telomere Length Attrition in Adults with and without Type 2 Diabetes. Biomolecules 2021; 11:biom11111693. [PMID: 34827691 PMCID: PMC8615790 DOI: 10.3390/biom11111693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 11/10/2021] [Accepted: 11/12/2021] [Indexed: 11/16/2022] Open
Abstract
Premature aging, as denoted by a reduced telomere length (TL), has been observed in several chronic inflammatory diseases, such as obesity and type 2 diabetes mellitus (T2DM). However, no study to date has addressed the potential inflammatory influence of the gut-derived Gram-negative bacterial fragments lipopolysaccharide, also referred to as endotoxin, and its influence on TL in low-grade inflammatory states such as type 2 diabetes mellitus (T2DM). The current study therefore investigated the influence of endotoxin and inflammatory factors on telomere length (TL) in adults with (T2DM: n = 387) and without (non-diabetic (ND) controls: n = 417) obesity and T2DM. Anthropometric characteristics were taken, and fasted blood samples were used to measure biomarkers, TL, and endotoxin. The findings from this study highlighted across all participants that circulating endotoxin (r = −0.17, p = 0.01) was inversely associated with TL, noting that endotoxin and triglycerides predicted 18% of the variance perceived in TL (p < 0.001). Further stratification of the participants according to T2DM status and sex highlighted that endotoxin significantly predicted 19% of the variance denoted in TL among male T2DM participants (p = 0.007), where TL was notably influenced. The influence on TL was not observed to be impacted by anti-T2DM medications, statins, or anti-hypertensive therapies. Taken together, these results show that TL attrition was inversely associated with circulating endotoxin levels independent of the presence of T2DM and other cardiometabolic factors, suggesting that low-grade chronic inflammation may trigger premature biological aging. The findings further highlight the clinical relevance of mitigating the levels of circulating endotoxin (e.g., manipulation of gut microbiome) not only for the prevention of chronic diseases but also to promote healthy aging.
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Affiliation(s)
- Nasser M. Al-Daghri
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (S.S.); (A.M.A.); (K.A.W.); (M.G.A.A.); (M.N.K.K.)
- Correspondence: (N.M.A.-D); (P.G.M.); Tel.: +966-14675939 (N.N.A.-D.); +44-115-8483477 (P.G.M.)
| | - Saba Abdi
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (S.S.); (A.M.A.); (K.A.W.); (M.G.A.A.); (M.N.K.K.)
| | - Shaun Sabico
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (S.S.); (A.M.A.); (K.A.W.); (M.G.A.A.); (M.N.K.K.)
| | - Abdullah M. Alnaami
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (S.S.); (A.M.A.); (K.A.W.); (M.G.A.A.); (M.N.K.K.)
| | - Kaiser A. Wani
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (S.S.); (A.M.A.); (K.A.W.); (M.G.A.A.); (M.N.K.K.)
| | - Mohammed G. A. Ansari
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (S.S.); (A.M.A.); (K.A.W.); (M.G.A.A.); (M.N.K.K.)
| | - Malak Nawaz Khan Khattak
- Chair for Biomarkers of Chronic Diseases, Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (S.S.); (A.M.A.); (K.A.W.); (M.G.A.A.); (M.N.K.K.)
| | - Nasiruddin Khan
- Department of Food Science and Human Nutrition, College of Applied and Health Sciences, A’Sharqiyah University, Ibra 400, Oman;
| | - Gyanendra Tripathi
- Human Sciences Research Centre, School of Human Sciences, University of Derby, Derby DE22 1GB, UK;
| | - George P. Chrousos
- University Research Institute of Maternal and Child Health and Precision Medicine, UNESCO Chair on Adolescent Health Care, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Philip G. McTernan
- Department of Biosciences, School of Science and Technology, Nottingham Trent University, Nottingham NG1 8NS, UK
- Correspondence: (N.M.A.-D); (P.G.M.); Tel.: +966-14675939 (N.N.A.-D.); +44-115-8483477 (P.G.M.)
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Ansari MGA, Mohammed AK, Wani KA, Hussain SD, Alnaami AM, Abdi S, Aljohani NJ, Al-Daghri NM. Vitamin D Receptor Gene Variants Susceptible to Osteoporosis in Arab Post-Menopausal Women. Curr Issues Mol Biol 2021; 43:1325-1334. [PMID: 34698098 PMCID: PMC8929051 DOI: 10.3390/cimb43030094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 09/26/2021] [Accepted: 09/26/2021] [Indexed: 12/03/2022] Open
Abstract
Post-menopausal osteoporosis (PMO) is a multifactorial bone disorder in elderly women. Various vitamin D receptor (VDR) gene variants have been studied and associated with osteoporosis in other populations, but not in a homogenous Arab ethnic group. Herein, the current study explores the association between VDR polymorphisms and susceptibility to osteoporosis in Saudi postmenopausal women. In total, 600 Saudi postmenopausal women (N = 300 osteoporosis; N = 300 control) were genotyped for VDR gene variants (rs7975232, rs1544410, rs731236) using TaqMan® SNP genotyping assays. Bone mineral density (BMD) for the lumbar spine and femur was assessed using dual-energy X-ray absorptiometry (DEXA). The heterozygous frequency distributions AC of rs7975232, CT of rs1544410, and AG of rs731236 were significantly higher in the osteoporosis group than controls (p < 0.05). Heterozygous AC of rs7975232 (1.6; 95% CI 1.1–2.3; p < 0.023), CT of rs1544410 (1.6; 95% CI 1.1–2.4; p < 0.022), and AG of rs731236 (1.6; 95% CI 1.1–2.4; p < 0.024) were significantly associated with increased risk of osteoporosis, independent of age and BMI. In conclusion, VDR gene variants rs7975232, rs1544410, rs731236 had a significant effect on BMD and were associated with osteoporosis risk in Saudi postmenopausal women.
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Affiliation(s)
- Mohammed. G. A. Ansari
- Chair for Biomarkers of Chronic Diseases, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.G.A.A.); (A.K.M.); (K.A.W.); (S.D.H.); (A.M.A.); (N.J.A.)
| | - Abdul Khader Mohammed
- Chair for Biomarkers of Chronic Diseases, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.G.A.A.); (A.K.M.); (K.A.W.); (S.D.H.); (A.M.A.); (N.J.A.)
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Kaiser A. Wani
- Chair for Biomarkers of Chronic Diseases, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.G.A.A.); (A.K.M.); (K.A.W.); (S.D.H.); (A.M.A.); (N.J.A.)
| | - Syed D. Hussain
- Chair for Biomarkers of Chronic Diseases, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.G.A.A.); (A.K.M.); (K.A.W.); (S.D.H.); (A.M.A.); (N.J.A.)
| | - Abdullah M. Alnaami
- Chair for Biomarkers of Chronic Diseases, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.G.A.A.); (A.K.M.); (K.A.W.); (S.D.H.); (A.M.A.); (N.J.A.)
| | - Saba Abdi
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Naji J. Aljohani
- Chair for Biomarkers of Chronic Diseases, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.G.A.A.); (A.K.M.); (K.A.W.); (S.D.H.); (A.M.A.); (N.J.A.)
- Obesity, Endocrine, and Metabolic Center, King Fahad Medical City, Riyadh 59046, Saudi Arabia
| | - Nasser M. Al-Daghri
- Chair for Biomarkers of Chronic Diseases, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.G.A.A.); (A.K.M.); (K.A.W.); (S.D.H.); (A.M.A.); (N.J.A.)
- Correspondence: ; Tel.: +966-1-4675939
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12
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Abdi S, Binbaz RA, Mohammed AK, Ansari MG, Wani K, Amer OE, Alnaami AM, Aljohani N, Al-Daghri NM. Association of RANKL and OPG Gene Polymorphism in Arab Women with and without Osteoporosis. Genes (Basel) 2021; 12:genes12020200. [PMID: 33572979 PMCID: PMC7910965 DOI: 10.3390/genes12020200] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/17/2021] [Accepted: 01/25/2021] [Indexed: 12/31/2022] Open
Abstract
Receptor activator of the nuclear factor-κB ligand (RANKL) and osteoprotegerin genes (OPG) were identified as susceptible loci for postmenopausal osteoporosis (PMO) in various ethnicities, but neither have been studied in an Arabian population. Hence, the current study aimed to fill this gap. A total of 372 postmenopausal women (174 osteoporosis (OP) and 198 control group (CTRs)) were genotyped for four SNPs: rs2277438A/G and rs9533156T/C (RANKL), and rs2073618C/G and rs3102735T/C (OPG). Anthropometrics, bone mineral density, 25(OH)D and several other bone markers were measured. The frequency distribution of the heterozygous CG genotype of rs2073618 (OPG) was lower in the OP (36.8%) than in CTRs (47%) (OR: 0.6, 95% CI: 0.3–0.97; p = 0.041). No differences in the allelic/genotypic frequencies were detected between the two groups for all other studied SNPs. However, the heterozygous TC genotype of rs3102735 (OPG) was associated significantly with lower BMD at the femoral neck in OP subjects (p = 0.04). The homozygous rare CC genotype of rs9533156 (RANKL) was associated with lower 25(OH)D levels in CTRs (p = 0.032). In contrast, heterozygous AG genotype of rs2277438 (RANKL) is associated with lower 25(OH)D in the OP group (p = 0.02). Our results suggest that RANKL SNPs may impact 25(OH)D levels and that OPG SNP rs2073618A/G is a significant genetic risk factor for PMO Saudi Arabian women.
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Affiliation(s)
- Saba Abdi
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
| | - Rawan A. Binbaz
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
| | - Abdul Khader Mohammed
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
- Sharjah Institute of Medical Research, University of Sharjah, Sharjah 27272, UAE;
| | - Mohammed G.A. Ansari
- Sharjah Institute of Medical Research, University of Sharjah, Sharjah 27272, UAE;
| | - Kaiser Wani
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
| | - Osama E. Amer
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
| | - Abdullah M. Alnaami
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
| | - Naji Aljohani
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
- Obesity, Endocrine and Metabolic Center, King Fahad Medical City, Riyadh 59046, Saudi Arabia
| | - Nasser M. Al-Daghri
- Biochemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.A.); (R.A.B.); (A.K.M.); (K.W.); (O.E.A.); (A.M.A.); (N.A.)
- Correspondence: ; Tel.: +966-1-4675939
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Sadeghipour P, Babakhani H, Abdi S, Ghasemi M, Moosavi J, Sadeghian M, Shafe O, Mohebbi B. Diagnostic accuracy of two-dimensional coronary angiographic derived fractional flow reserve. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Non-invasive fractional flow reserve (NiFFR) is an emerging method for evaluating the functional significance of a coronary lesion during diagnostic coronary angiography (CAG). The method relies on the computational flow dynamics and the 3D reconstruction of the vessel extracted from CAG. In the present study, we sought to evaluate the diagnostic performance and applicability of 2D-based NiFFR.
Methods
In this prospective observational study, we evaluated 2D-based NiFFR in 279 candidates for invasive CAG and invasive FFR. NiFFR was calculated via 2 methods: variable NiFFR, in which the contrast transport time was extracted from the angiographic view, and fixed NiFFR, in which a prespecified frame count was applied.
Results
The final analysis was performed on 245 patients (250 lesions). Variable NiFFR had an area under the receiver operating characteristic curve of 81.5%, an accuracy of 80.0%, a sensitivity of 82.2%, a specificity of 82.2%, a negative predictive value of 91.4%, and a positive predictive value of 63.6%. The mean difference between FFR and NiFFR was −0.0244 ±0.0616 (P≤0.0001). A pressure wire-free hybrid strategy was possible in 68.8% of our population with variable NiFFR.
Conclusions
Our 2D-based NiFFR yielded results comparable to those derived from 3D-based software. Our findings should, however, be confirmed in larger trials.
Pressure wire-free hybrid strategy
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- P Sadeghipour
- Rajaie Cardiovascular Medical and Research Center, Tehran, Iran (Islamic Republic of)
| | - H Babakhani
- Rajaie Cardiovascular Medical and Research Center, Tehran, Iran (Islamic Republic of)
| | - S Abdi
- Rajaie Cardiovascular Medical and Research Center, Tehran, Iran (Islamic Republic of)
| | - M Ghasemi
- Imam Khomeini Hospital, Cardiology, Tehran, Iran (Islamic Republic of)
| | - J Moosavi
- Rajaie Cardiovascular Medical and Research Center, Tehran, Iran (Islamic Republic of)
| | - M Sadeghian
- Imam Khomeini Hospital, Cardiology, Tehran, Iran (Islamic Republic of)
| | - O Shafe
- Rajaie Cardiovascular Medical and Research Center, Tehran, Iran (Islamic Republic of)
| | - B Mohebbi
- Rajaie Cardiovascular Medical and Research Center, Tehran, Iran (Islamic Republic of)
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Sadeghipour P, Shafe O, Moosavi J, Basiri H, Abdi S, Firouzi A, Khajali Z, Saedi S, Mohebbi B, Maleki M, Pouraliakbar H, Samiei N, Sadeghpour A, Alemzadeh M, Shahdi S. Comparison between cheatham-platinum stent and self-expandable uncovered nitinol stent in patients with coarctation of aorta – a randomized controlled trial. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Endovascular treatment is considered the main therapeutic approach for native coarctation of aorta (CoA) in adult patients. Balloon-expandable stents (BE) have been introduced as the primary choice for coarctoplasty. However during the recent years, self-expandable (SE) stents with acceptable radial force have been suggested as an alternative. Still, no randomized controlled (RCT) trials have compared the efficacy and safety of both strategies.
Methods
The present study is a prospective, single center, parallel-group, open-label RCT on patients with native CoA (Figure). Patients were randomized into Bare Cheatham-Platinum Stents and Uncovered Nitinol Stent (SE). All patients were scheduled to be followed in 1-, 6-, 12-month and 36-month intervals. The present report, focuses on the one-year outcome of the study.
Results
Of 101 patients with native CoA referred to our center, 93 patients have been randomized into BE- (47 patients) and SE-arm (46 patients). One year follow up is scheduled to be completed on March 2020. In the preliminary analysis of 62 patients, 1 intraprocedural stent migration has occurred in each group. No aortic perforation was detected in the study. Vascular access site complications were similar between the two groups (3 (6.3%) in BE versus 1 (2.1%) in SE, p value= 0.432). One nonfatal stroke occurred in BE group. No mortality or bailout surgical repair happened in one year study in the two groups. One patient with re-coarctations were detected during one year follow up in each of the groups (p value=0.210). No aortic pseudoaneurysm or aneurysmal formation were observed in 12-month follow up aortic CT angiography.
Conclusion
The preliminary results showed no significant difference in efficacy and safety of both treatment modalities. The final result is pending.
Study Flow Chart
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- P Sadeghipour
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - O Shafe
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - J Moosavi
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - H.A Basiri
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - S Abdi
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - A Firouzi
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - Z Khajali
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - S Saedi
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - B Mohebbi
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - M Maleki
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - H.R Pouraliakbar
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - N Samiei
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - A Sadeghpour
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - M.J Alemzadeh
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
| | - S Shahdi
- Rajaie Cardiovascular Medical & Research Center, Tehran, Iran (Islamic Republic of)
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Yakout SM, Alharbi F, Abdi S, Al-Daghri NM, Al-Amro A, Khattak MNK. Serum minerals (Ca, P, Co, Mn, Ni, Cd) and growth hormone (IGF-1 and IGF-2) levels in postmenopausal Saudi women with osteoporosis. Medicine (Baltimore) 2020; 99:e20840. [PMID: 32629669 PMCID: PMC7337560 DOI: 10.1097/md.0000000000020840] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Osteoporosis is reported to be common among Saudi women. Several minerals appear to be important determinants of insulin-like growth factor (IGF), the bioactivity of which regulates bone and mineral metabolism. Here we proposed that mineral status may alter the IGF system among individuals with osteoporosis. This study aims to evaluate the relationships between essential elements and IGF levels among postmenopausal Saudi women with osteoporosis. A total of 128 postmenopausal Saudi women aged ≥50 years old were recruited in this study. Diagnosis of osteoporosis was done by using dual-energy x-ray absorptiometry to determine the bone minerals density (BMD). Serum calcium and phosphate were determined using routine chemical analyzer. Serum Co, Mn, Ni, Cd were measured using inductively coupled plasma mass spectrometry. Serum IGF-1 and IGF-2 were determined using Luminex xMAP. Using stepwise linear regression analysis, only Cd was identified to be significantly associated with IGF1 in osteoporosis, explaining 3% (confidence interval 0.01-0.05; P = 0001) of the variance perceived. Our results suggest that Cd exposure indirectly affects BMD which may increase the risk of osteoporosis in postmenopausal women. Further longitudinal study using a larger sample size is recommended to determine causality of Cd levels and IGF-1.
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Affiliation(s)
- Sobhy M. Yakout
- Biochemistry Department, College of Science
- Department of Biochemistry, Chair for Biomarkers of Chronic Diseases, College of Science, King Saud University, Riyadh, Saudi Arabia
| | | | - Saba Abdi
- Biochemistry Department, College of Science
| | - Nasser M. Al-Daghri
- Biochemistry Department, College of Science
- Department of Biochemistry, Chair for Biomarkers of Chronic Diseases, College of Science, King Saud University, Riyadh, Saudi Arabia
| | | | - Malak Nawaz Khan Khattak
- Biochemistry Department, College of Science
- Department of Biochemistry, Chair for Biomarkers of Chronic Diseases, College of Science, King Saud University, Riyadh, Saudi Arabia
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Khodabakhsh A, Abdi S. Assessing stability of Xeomin botulinum neurotoxin type A and comparing baseline efficacy with two week stored reconstructed drug. J Neurol Sci 2019. [DOI: 10.1016/j.jns.2019.10.1038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Al-Daghri NM, Mohammed AK, Bukhari I, Rikli M, Abdi S, Ansari MGA, Sabico S, Hussain SD, Alenad A, Al-Saleh Y, Alokail MS. Efficacy of vitamin D supplementation according to vitamin D-binding protein polymorphisms. Nutrition 2019; 63-64:148-154. [DOI: 10.1016/j.nut.2019.02.003] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 01/08/2019] [Accepted: 02/11/2019] [Indexed: 11/24/2022]
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Al-Daghri N, Bukhari I, Rikli M, Abdi S, Ansari M, Abdulkhader M, Sabico S, Hussain SD, Alenad A, Al-Saleh Y, Alokail M. SAT-021 Efficacy of Vitamin D Supplementation According to Vitamin D Binding Protein Polymorphisms. J Endocr Soc 2019. [PMCID: PMC6552145 DOI: 10.1210/js.2019-sat-021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The study aimed to determine the influence of DBP gene polymorphisms in vitamin D metabolites before and after vitamin D supplementation. Out of 234 participants (126 females and 108 males), 146 had vitamin D deficiency (25(OH)D <50nmol/l) and were given 2000IU daily dose of vitamin D for 12 months. Two common single nucleotide polymorphisms (SNPs), (rs4588 and rs7041) of the DBP gene were assessed. Post supplementation median 25(OH)D was significantly higher [61.2 (46.3-76.8) and 66.6 (53.2-83.7)] in participants with CC genotype of rs4588 and GG genotype of rs7041 than other genotypes (p<0.001). Participants with T allele are 2.9 (1.9-4.5) times more likely to be a non-responder (unable to achieve serum 25(OH)D post-supplementation) than those with G allele (p<0.001). Participants with A allele are 3.7 (2.1-6.6) times more likely to be a non-responder than those with C allele (p<0.001). Furthermore, participants with TT and TG are 6.2 and 4.2 times more likely to be a non-responder than those with the GG genotype (p-values <0.001) even after adjustments for age, gender, BMI, baseline 25(OH)D concentration and other alleles. Participants with AA and CA genotypes are 12.4 (1.4-110) and 4.1 (2.1-8.0) times more likely to be non-responders as compared to those with CC genotype but lost significance after adjustment. The SNPs, rs7041 and rs4588 variants of the DBP gene are associated with baseline 25(OH)D levels and modifies 25(OH)D response after vitamin D supplementation in Saudi adults.
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Affiliation(s)
| | | | | | - Saba Abdi
- King Saudi University, Riyadh, , Saudi Arabia
| | | | | | - Shaun Sabico
- Warwick Medical School, Coventry, , United Kingdom
| | | | - Amal Alenad
- King Saudi University, Riyadh, , Saudi Arabia
| | - Yousef Al-Saleh
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, , Saudi Arabia
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Al-Suwailem E, Abdi S, Bhat RS, El-Ansary A. Glutamate Signaling Defects in Propionic Acid Orally Administered to Juvenile Rats as an Experimental Animal Model of Autism. NEUROCHEM J+ 2019. [DOI: 10.1134/s1819712419010021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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20
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Alyahri N, Abdi S, Khan W, Elrobh M, Addar MH, Babay ZA, Alanazi M, Aldaihan S, Shaik J, Arafah M, Parine NR, Warsy A. Novel Associations between BRCA1 Variants C.181 T>G (Rs28897672) and Ovarian Crisk in Saudi Females. J Med Biochem 2019; 38:13-21. [PMID: 30820179 PMCID: PMC6298454 DOI: 10.2478/jomb-2018-0037] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Accepted: 01/11/2018] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Mutations in BRCA1 gene have been implicated in ovarian cancers, and BRCA testing may be conducted in high-risk women. This study was designed to determine the frequency of three single nucleotide polymorphisms (SNPs) variants in BRCA1 gene and BRCA1 expression in Saudi females with ovarian cancer. METHODS Expression levels of mRNA of BRCA1 gene were studied in 10 ovarian cancer and 10 normal ovarian tissues, by quantitative real time polymerase chain reaction (qPCR). The study also included 28 females who had suffered from ovarian cancer and had been successfully operated upon and 90 healthy females with no history of cancer. Blood was drawn in EDTA tubes and used for extraction of DNA. The genotyping was carried out using Taqman® SNP Genotyping kit by RT-PCR. The variants investigated included c.871 T>C (rs799917), c.1040 G>A (rs4986852), c.181 T>G (rs28897672) in BRCA1 gene. RESULTS The c.181 T>G (rs28897672) showed significantly different genotype and allele frequencies between the patients and the control subjects (p value = 0.002 and 0.02, respectively). The genotype TG was significantly protective (OR = 0.36, p value = 0.024). The mRNA expression of BRCA1 gene was found to be low in the ovarian cancer tissues. CONCLUSIONS This study showed that c.181 T>G in BRCA1 genes is associated with the development of ovarian cancer in Saudis. More studies are needed to unveil other SNPs that may be associated with ovarian cancer and to understand the mechanism(s) involved in reducing the expression of BRCA1 gene in ovarian cancer tissues.
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Affiliation(s)
- Nora Alyahri
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Saba Abdi
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Wajahatullah Khan
- Department of Basic Sciences, College of Science and Health Professions, King Saud Bin Abdul Aziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Mohamed Elrobh
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mohammed H. Addar
- Department of Obs/Gyn, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Zeneb A. Babay
- Department of Obs/Gyn, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Mohamed Alanazi
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sooad Aldaihan
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Jilani Shaik
- Genome Research Chair, Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Maha Arafah
- Department of Pathology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Narasimha Reddy Parine
- Genome Research Chair, Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Arjumand Warsy
- Central Laboratory, Center for Science and Medical Studies for Girls, King Saud University, Riyadh, Saudi Arabia
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Almeer R, Alqarni A, Alqattan S, Abdi S, Alarifi S, Hassan Z, Semlali A. Effect of Honey in Improving Breast Cancer Treatment and Gene Expression Modulation of MMPs and TIMPs in Triple-Negative Breast Cancer Cells. PAK J ZOOL 2018. [DOI: 10.17582/journal.pjz/2018.50.6.1999.2007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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22
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Al-Suwailem E, Abdi S, El-Ansary A. Sex differences in the glutamate signaling pathway in juvenile rats. J Neurosci Res 2017; 96:459-466. [PMID: 28861894 DOI: 10.1002/jnr.24144] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 08/04/2017] [Accepted: 08/07/2017] [Indexed: 12/19/2022]
Abstract
Females have been found to be at lower risk for the development of neurodevelopmental disorders than males. The greater neuroprotection in females is mostly due to female sex hormones. Estrogen is hypothesized to provide neuroprotection by suppressing the neuro-excitotoxicity induced by glutamate (Glu). This study was conducted to understand the effect of sex in modulating Glu signaling in juvenile rats. Brain tissue homogenate of 15 Wistar albino rats (9 males, 6 females) weighing 60 to 80 g and aged approximately 28 days was used. Biochemical parameters related to Glu signaling, such as the absolute and relative concentrations of Glu, gamma aminobutyric acid (GABA), and glutamine, as well as glutamate transporter 1 (GLT1), glutamine synthetase (GS), glutaminase (GLN), and glutamate decarboxylase-67 (GAD-67), were measured by ELISA. The data obtained demonstrated that compared with the levels in males, female rats exhibited significantly lower levels of Glu (p = .001) and GLN/GS (p = .021). The Glu/GABA and Glu/GLT1 ratios as well as the levels of GAD-67 were also lower in female rats, although the difference was not significant. The GLN/GAD-67 ratio (p = .027) and levels of GS (p = .019) were significantly higher in female rats than in males. Multiple regression analysis confirmed the role of GLN/GS, together with the much higher affinity of GLT1 to Glu, in avoiding excitotoxicity in females. In conclusion, there was a significant difference in Glu signaling between female and male rats. The females exhibited a lower susceptibility to develop Glu-induced excitotoxicity, an etiological mechanism for multiple neurodevelopmental disorders.
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Affiliation(s)
- Etidal Al-Suwailem
- Biochemistry Department, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Saba Abdi
- Biochemistry Department, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Afaf El-Ansary
- Central Laboratory, King Saud University, Riyadh, Saudi Arabia
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Abdi S, Nasiri M, Mesbahi A, Khani MH. Investigation of uranium (VI) adsorption by polypyrrole. J Hazard Mater 2017; 332:132-139. [PMID: 28285106 DOI: 10.1016/j.jhazmat.2017.01.013] [Citation(s) in RCA: 92] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 12/24/2016] [Accepted: 01/09/2017] [Indexed: 06/06/2023]
Abstract
The purpose of this study was to investigate the adsorption of uranium (VI) ions on the polypyrrole adsorbent. Polypyrrole was synthesized by a chemical method using polyethylene glycol, sodium dodecylbenzenesulfonate, and cetyltrimethylammonium bromide as the surfactant and iron (III) chloride as an oxidant in the aqueous solution. The effect of various surfactants on the synthesized polymers and their performance as the uranium adsorbent were investigated. Adsorbent properties were characterized by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) techniques. The effect of different parameters such as pH, contact time, initial metal ion concentrations, adsorbent dose, and the temperature was investigated in the batch system for uranium adsorption process. It has been illustrated that the adsorption equilibrium time is 7min. The results showed that the Freundlich model had the best agreement and the maximum adsorption capacity of polypyrrole for uranium (VI) was determined 87.72mg/g from Langmuir isotherm. In addition, the mentioned adsorption process was fast and the kinetic data were fitted to the Pseudo first and second order models. The adsorption kinetic data followed the pseudo-second-order kinetic model. Moreover, the thermodynamic parameters ΔG0, ΔH0 and ΔS0 showed that the uranium adsorption process by polypyrrole was endothermic and spontaneous.
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Affiliation(s)
- S Abdi
- Faculty of Chemical, Petroleum and Gas Engineering, Semnan University, Semnan 35195-363, Iran
| | - M Nasiri
- Faculty of Chemical, Petroleum and Gas Engineering, Semnan University, Semnan 35195-363, Iran.
| | - A Mesbahi
- Faculty of Chemical, Petroleum and Gas Engineering, Semnan University, Semnan 35195-363, Iran
| | - M H Khani
- Nuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute, Tehran, 14395-836, Iran
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Abdi S, Dorranian D, Naderi G, Emami Razavi A, Moazen E. P745Possible interaction of extremely low frequency electromagnetic fields with atherosclerosis promotion and progression in human, an invitro investigation. Cardiovasc Res 2014. [DOI: 10.1093/cvr/cvu098.165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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25
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Emami Razavi A, Basati G, Abdi S, Assa P. P723The relationships of leptin and adiponectin with myeloperoxidase in coronary artery disease. Cardiovasc Res 2014. [DOI: 10.1093/cvr/cvu098.144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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26
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Satoh M, Terata S, Kikuya M, Ohkubo T, Hashimoto T, Hara A, Hirose T, Obara T, Metoki H, Inoue R, Asayama K, Nakayama M, Kanno A, Totsune K, Hoshi H, Satoh H, Sato H, Imai Y, Palmer S, Germaine W, Iff S, Craig J, Mitchell P, Wang JJ, Strippoli G, Palmer S, Craig J, Navaneethan S, Tonelli M, Pellegrini F, Strippoli G, Stracke S, Ernst F, Robinson D, Schwahn C, John U, Felix SB, Volzke H, Mysula I, Gozhenko A, Susla O, Minutolo R, Gabbai FB, Agarwal R, Bellizzi V, Nappi F, Conte G, De Nicola L, Smith E, Tomlinson L, Ford M, Mcmahon L, Rajkumar C, Holt S, Lee S, Kim I, Lee D, Rhee H, Song S, Seong E, Kwak I, Redal-Baigorri B, Rasmusen K, Goya Heaf J, Sombolos K, Tsakiris D, John B, Vlahakos D, Siamopoulos K, Vargiemezis V, Nikolaidis P, Iatrou C, Dafnis E, Argyropoulos C, Xynos K, Ramona H, Jos D, Guido F, Patrick D, Dominique L, Begona MYK, Antoon DS, Marc VS, Hellberg M, Wiberg EM, Hoglund P, Simonsen O, Clyne N, Manfredini F, Manfredini F, Bolignano D, Rastelli S, Barilla A, Bertoli S, Ciurlino D, Messa P, Fabrizi F, Zuccala A, Rapana R, Fatuzzo P, Rapisarda F, Bonanno G, Lombardi L, De Paola L, Cupisti A, Fuiano G, Lucisano G, Tripepi G, Catizone L, Zoccali C, Mallamaci F, Ishigami T, Ishigami T, Yamamoto R, Nagasawa Y, Isaka Y, Konta T, Iseki K, Moriyama T, Yamagata K, Tsuruya K, Yoshida H, Fujimoto S, Asahi K, Watanabe T, Morales E, Gutierrez E, Forteza A, Bellot R, Sanchez V, Sanz MP, Evangelista A, Cortina J, Praga M, Hung CC, Yang ML, Hwang SJ, Chen HC, Saglimbene VM, Palmer S, Craig J, Pellegrini F, Vecchio M, Ruospo M, De Berardis G, Strippoli G, DI Iorio B, Bellasi A, Pota A, Russo L, Russo D, Nakano C, Nakano C, Hamano T, Fujii N, Obi Y, Matsui I, Mikami S, Inoue K, Shimomura A, Rakugi H, Isaka Y, Yen CY, Wang HH, Hung CC, Hwang SJ, Chen HC, Postorino M, Postorino M, Cutrupi S, Pizzini P, Marino C, D'arrigo G, Tripepi G, Zoccali C, Ghasemi H, Afshar R, Afshar R, Shabpirai H, Davati A, Zerafatjou N, Abdi S, Khorsand Askari M, Almeida E, Lavinas C, Teixeira C, Raimundo M, Nogueira C, Ferreira M, Sampaio A, Henriques I, Teixeira C, Gomes Da Costa A, Leal M, Ekart R, Hojs N, Pecovnik Balon B, Bevc S, Dvorsak B, Stropnik Galuf T, Hojs R, Lin WH, Guo CY, Wang WM, Yang DC, Kuo TH, Liu MF, Wang MC, Hara S, Tanaka K, Tsuji H, Ohmoto Y, Amaka K, Ubara Y, Arase K, Yilmaz MI, Solak Y, Saglam M, Yaman H, Unal HU, Gok M, Cetinkaya H, Biyik Z, Gaipov A, Caglar K, Tonbul HZ, Turk S, Wang HH, Yen CY, Hung CC, Hwang SJ, Chen HC, Krivoshiev S, Krivoshiev S, Koteva A, Kraev Z, Mihaylov G, Shikov P, David R, Jeffrey J, Andrew S, Michael R, Charmot D, Fouda R, Abdelhamid Y, Alsayed D, Salah S, Belal D, Salem M, Ahmed H, Vecchio M, Palmer S, Saglimbene VM, Ruospo M, Gargano L, Pellegrini F, Strippoli G, Tisljar M, Horvatic I, Bozic B, Crnjakovic Palmovic J, Bacalja J, Bulimbasic S, Galesic Ljubanovic D, Galesic K, Choi JS, Kim CS, Park JW, Bae EH, MA SK, Kim SW, Choi JS, Kim CS, Park JW, Bae EH, MA SK, Kim SW. Clinical Nephrology - Epidemiology I. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Abstract
Ovarian vein thrombosis is a well-known but rare entity, which can occur during the post-partum period. This condition has also been associated with inflammatory and malignant processes within the pelvis. Untreated, complications of ovarian vein thrombosis can be significant due to the associated sepsis and risk of pulmonary embolism. Diagnosis can be made with confidence using ultrasound, computed tomography or magnetic resonance imaging. Treatment of ovarian vein thrombosis is particularly important in the post-partum patients, with anticoagulation therapy being the current recommendation.
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Affiliation(s)
- P Sharma
- Department of Radiology, Royal Hallamshire Hospital, Sheffield, UK.
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Kordestani SS, Noohi F, Azarnik H, Basiri H, Hashemi MJ, Abdi S, Mohebi A, Madani M, NayebHabib F. A Randomized Controlled Trial on the Hemostasis of Femoral Artery Using Topical Hemostatic Agent. Clin Appl Thromb Hemost 2012; 18:501-5. [DOI: 10.1177/1076029611432745] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objective: Evaluation of the effect of using a topical hemostatic agent named “ChitoHem®” on different factors on patients undergoing diagnostic coronary angiography. Methods: The present blind, randomized, controlled study included 124 patients randomly divided into 2 groups. In the treatment group following femoral sheath removal, ChitoHem® powder and in the control group conventional hemostatic procedure was applied. Results: In the treatment group, time to hemostasis, ambulation, and the use of sandbag were significantly shorter compared with the control group, respectively (4.6 ± 1.3 vs 12.4 ± 4.4 minutes, 3.5 ± 2.7 vs 23.0 ± 1.73 hours and 1.6 vs 98.4%; P < .05). There were no significant differences in hematoma formation and re-bleeding between the 2 groups. Conclusion: It was exhibited ChitoHem® topical hemostatic powder used on treatment patients undergoing diagnostic coronary angiography was statistically superior at reducing the time to hemostasis and ambulation as well as the use of sandbags compared with manual compression in control group.
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Affiliation(s)
- Soheila S. Kordestani
- Department of Biomedical Engineering, Amir Kabir University of Technology, Tehran, Islamic Republic of Iran
| | - Fereidoon Noohi
- Shahid Rajaee Teaching Hospital, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Hossein Azarnik
- Shahid Rajaee Teaching Hospital, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Hossein Basiri
- Shahid Rajaee Teaching Hospital, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - M. J. Hashemi
- Shahid Rajaee Teaching Hospital, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - S. Abdi
- Shahid Rajaee Teaching Hospital, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - A. Mohebi
- Shahid Rajaee Teaching Hospital, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - M. Madani
- Shahid Rajaee Teaching Hospital, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Farzaneh NayebHabib
- Department of Biomedical Engineering, Amir Kabir University of Technology, Tehran, Islamic Republic of Iran
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Fernando H, Czamanski J, Yuan TY, Gu W, Abdi S, Huang CY. Mechanical loading affects the energy metabolism of intervertebral disc cells. J Orthop Res 2011; 29:1634-41. [PMID: 21484859 PMCID: PMC3137745 DOI: 10.1002/jor.21430] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2010] [Accepted: 03/15/2011] [Indexed: 02/04/2023]
Abstract
Research has shown that mechanical loading affects matrix biosynthesis of intervertebral disc (IVD) cells; however, the pathway(s) to this effect is currently unknown. Cellular matrix biosynthesis is an energy demanding process. The objective of this study was to investigate the effects of static and dynamic compressive loading on energy metabolism of IVD cells. Porcine annulus fibrosus (AF) and nucleus pulposus (NP) cells seeded in 2% agarose were used in this experiment. Experimental groups included 15% static compression and 0.1 and 1 Hz dynamic compression at 15% strain magnitude for 4 h. ATP, lactate, glucose, and nitric oxide (NO) contents in culture media, and ATP content in cell-agarose construct were measured using biochemical assays. While the total ATP content of AF cells was promoted by static and dynamic loading, only 1 Hz dynamic loading increased total ATP content of NP cells. Increases in lactate production and glucose consumption of AF cells suggest that ATP production via glycolysis is promoted by dynamic compression. ATP release and NO production of AF and NP cells were significantly increased by dynamic loading. Thus, this study clearly illustrates that static and dynamic compressive loading affect IVD cell energy production while cellular responses to mechanical loading were both cell type and compression type dependent.
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Affiliation(s)
- H.N. Fernando
- Stem Cell and Mechanobiology Lab, Dept of Biomedical Engineering, University of Miami, Coral Gables, Florida 33146, USA
| | - J. Czamanski
- Stem Cell and Mechanobiology Lab, Dept of Biomedical Engineering, University of Miami, Coral Gables, Florida 33146, USA
| | - T.-Y. Yuan
- Stem Cell and Mechanobiology Lab, Dept of Biomedical Engineering, University of Miami, Coral Gables, Florida 33146, USA, Tissue Biomechanics Lab, Dept of Biomedical Engineering, University of Miami, Coral Gables, Florida 33146, USA
| | - W.Y. Gu
- Tissue Biomechanics Lab, Dept of Biomedical Engineering, University of Miami, Coral Gables, Florida 33146, USA
| | - S. Abdi
- Department of Anesthesiology, Critical Care and Pain Medicine, BIDMC, Harvard Medical School, Boston, MA
| | - C.-Y.C. Huang
- Stem Cell and Mechanobiology Lab, Dept of Biomedical Engineering, University of Miami, Coral Gables, Florida 33146, USA
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Abstract
AIM To ascertain whether magnetic resonance imaging (MRI) can be used to suggest a diagnosis of endometrial carcinosarcoma. MATERIALS AND METHODS A retrospective imaging review was performed of the MRI images of 39 patients with endometrial carcinosarcoma. Anteroposterior and longitudinal dimensions of the uterus and measurement of the endometrial thickness were taken in the sagittal plane. The ratio of antero-posterior measurement to endometrial thickness was calculated. The same measurements were taken on 50 patients with endometrial adenocarcinoma. A two-tailed t-test and receiver operator characteristic analysis were performed on these measurements for both patient groups. RESULTS There was a statistically significant difference between the longitudinal (p=0.0084) and anteroposterior (p=0.00036) dimensions of the uterus of the two groups. There was also a statistically significant difference between the ratios of anteroposterior dimension to endometrial thickness (p=0.00018). The optimal cut-off ratio above which the radiologist should be alerted to a potential diagnosis of endometrial carcinosarcoma was shown to be 0.63. CONCLUSION MRI can be helpful in suggesting a diagnosis of endometrial carcinosarcoma with the help of some simple measurements.
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Affiliation(s)
- A V Genever
- Department of Radiology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK.
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31
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Elsayad M, Al-Mahmoud R, Abdi S. 18. Can magnetic resonance diffusion-weighted imaging identify malignant cervical pathologies? Cancer Imaging 2011. [DOI: 10.1102/1470-7330.2011.9081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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32
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Richter H, Bänziger T, Abdi S, Forsman M. Stabilization of gaze: A relationship between ciliary muscle contraction and trapezius muscle activity. Vision Res 2010; 50:2559-69. [DOI: 10.1016/j.visres.2010.08.021] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2010] [Revised: 08/05/2010] [Accepted: 08/16/2010] [Indexed: 10/19/2022]
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Abdi S, Lebaili S. Alternative to chromium, a hard alloy powder NiCrBCSi (Fe) coatings thermally sprayed on 60CrMn4 steel. Phase and comportements. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.phpro.2009.11.056] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Salem S, Mehrsai A, Abdi S, Saboury B, Shokohideh V, Pourmand G. MP-11.08: Erectile Dysfunction Severity as a Surrogate Marker for Coronary Artery Disease. Urology 2009. [DOI: 10.1016/j.urology.2009.07.913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
Unusual sites for recurrent ovarian metastases include extrahepatic solid organs (except the spleen), bone and the abdominal wall. We report a rare renal recurrence of ovarian malignancy and its imaging features.
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Affiliation(s)
- M S Thyagarajan
- Department of Radiology, Sheffield Teaching Hospitals NHS Trust, Royal Hallamshire Hospital, Glossop Road, Sheffield S10 2JF, UK.
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36
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Vijay RKP, Kaduthodil MJ, Bottomley JR, Abdi S. Metastatic gestational trophoblastic tumour presenting as spontaneous subcapsular renal haematoma. Br J Radiol 2008; 81:e234-7. [PMID: 18769012 DOI: 10.1259/bjr/81495647] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
We describe a rare case of metastatic choriocarcinoma, which presented with acute left loin pain due to a subcapsular haematoma secondary to a bleeding renal metastasis. The renal metastasis was embolised to prevent further bleeding. To our knowledge, presentation of gestational trophoblastic tumour (GTT) with such symptoms has not been described in the recent literature. Our case illustrates that, although rare, non-gynaecological symptoms can be the first presentation of metastatic choriocarcinoma in the appropriate clinical settings. It also demonstrates that the acute bleed from a renal metastasis can be effectively managed by embolisation.
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Affiliation(s)
- R K P Vijay
- Sheffield Teaching Hospitals NHS Trust, Radiology Department, Royal Hallamshire Hospital, Glossop Road, Sheffield S102JF, UK.
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Abstract
In recent years, tricyclic antidepressant drugs have experienced a resurgence in their use as valuable pharmacological tools in the treatment of pain. Along with the evolution in our understanding of their analgesic mechanisms of action, there have been concurrent breakthroughs regarding their indications for use and modes of administration. This review focuses on recent advances in our understanding of how antidepressant drugs exert their antinociceptive effects, and new developments regarding their clinical application.
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Affiliation(s)
- S P Cohen
- Walter Reed Army Medical Center, Pain Management Center, Washington, District of Columbia 20307, USA.
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38
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Abstract
Non-steroidal anti-inflammatory drugs are widely used for the treatment of pain and inflammation by inhibiting the formation of prostaglandins. However, their use is limited by their side-effects, including gastrointestinal, renal function, cardiovascular and platelet function. Cyclooxygenase activity is the principal target for the action of non-steroidal anti-inflammatory drugs. Two isoforms of cyclooxygenase have been characterized: (i) cyclooxygenase-1, which is found in many tissues and is generally constitutively expressed and synthesizes prostanoids that mediate homeostatic functions; and (ii) cyclooxygenase-2, the inducible isoform, which is mainly expressed at sites of injury or inflammation and synthesizes prostanoids that mediate inflammation, pain and fever. These findings led to the development of selective cyclooxygenase-2 inhibitors, with comparable anti-inflammatory and analgesic properties to traditional non-steroidal anti-inflammatory drugs, but with significantly fewer side-effects. However, these new selective cyclooxygenase-2 inhibitors are not risk free, and care should be taken when using these drugs, especially with elderly patients with multiple medical problems. Finally, the future is bright for the broader usage of these agents in the treatment of diseases other than inflammation and pain, such as Alzheimer's disease, colonic polyp and colon cancer, just to name a few.
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Affiliation(s)
- T Samad
- Massachusetts General Hospital and Neuroplasticity Research Group, Harvard Medical School, Boston, MA 02114, USA
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Abstract
PURPOSE The purpose of this study was to evaluate whether asthenopic symptoms in schoolchildren diagnosed with accommodative insufficiency (AI) and graded with the Visual Analogue Scale (VAS) could be correlated with the degree of accommodative deficiency in these children, and to investigate if VAS grading of the asthenopic symptoms could be used as an instrument to indicate the level of improvement of AI. METHODS Forty-nine children (mean age 10.2 years +/- 2.7) diagnosed with AI graded their degree of asthenopia on the VAS before and after a 12-week treatment period wearing individually dispensed reading glasses. RESULTS The improvement in accommodation after treatment was statistically significant (p < 0.001) and 83.7% of the children obtained normal accommodative amplitude in relation to age. The reduction in asthenopic symptoms as graded with the VAS was also statistically significant (p < 0.001) after treatment and 89.9% of the children obtained a normal VAS score. However, no correlation between the degree of accommodative deficiency and the VAS grading could be found, neither before nor after treatment. DISCUSSION Based on these results we conclude that the visual analogue scale (VAS) cannot be used as an instrument to indicate the degree of accommodative deficiency nor can it be used to indicate the level of improvement during the course of treatment. However, the VAS can be used as an instrument to verify and document whether or not asthenopic symptoms are present, and therefore also to indicate when symptoms have been relieved.
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Affiliation(s)
- S Abdi
- St. Erik's Eye Hospital, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
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Ranson CA, Kerslake RW, Burnett AF, Batt ME, Abdi S. Magnetic resonance imaging of the lumbar spine in asymptomatic professional fast bowlers in cricket. ACTA ACUST UNITED AC 2005; 87:1111-6. [PMID: 16049249 DOI: 10.1302/0301-620x.87b8.16405] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Low back injuries account for the greatest loss of playing time for professional fast bowlers in cricket. Previous radiological studies have shown a high prevalence of degeneration of the lumbar discs and stress injuries of the pars interarticularis in elite junior fast bowlers. We have examined MRI appearance of the lumbar spines of 36 asymptomatic professional fast bowlers and 17 active control subjects. The fast bowlers had a relatively high prevalence of multi-level degeneration of the lumbar discs and a unique pattern of stress lesions of the pars interarticularis on the non-dominant side. The systems which have been used to classify the MR appearance of the lumbar discs and pars were found to be reliable. However, the relationship between the radiological findings, pain and dysfunction remains unclear.
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Affiliation(s)
- C A Ranson
- England and Wales Cricket Board, National Cricket Centre, Loughborough University, Loughborough LE11 3TU, UK.
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Abdi S, Adams CI, Foweraker KL, O'Connor A. Metastatic spinal cord syndromes: imaging appearances and treatment planning. Clin Radiol 2005; 60:637-47. [PMID: 16038690 DOI: 10.1016/j.crad.2004.10.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2004] [Revised: 09/28/2004] [Accepted: 10/11/2004] [Indexed: 11/24/2022]
Abstract
Metastatic spinal cord syndromes usually result from neural compression by adjacent vertebral disease but are occasionally caused by intradural or intramedullary disease. MRI is the most accurate method for evaluation of such syndromes. Knowledge of the relevant imaging appearances and therapeutic options enables the radiologist to make an accurate assessment of the extent of disease and contribute information relevant to treatment planning.
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Affiliation(s)
- S Abdi
- Department of Radiology, Nottingham City Hospital, Nottingham, UK.
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Abdi S, Lenthall RK. Haemorrhage within an intramedullary astrocytoma presenting with a mild clinical course and a fluid–fluid level on MRI. Br J Radiol 2004; 77:691-3. [PMID: 15326052 DOI: 10.1259/bjr/26882389] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- S Abdi
- Department of Radiology, University Hospital, Queen's Medical Centre, Nottingham NG7 2UH, UK
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Abdi S, Bahji M, Essaadouni L, Agoumi NB, Adnaoui M, Tazi ZM, Maaouni A. [Mixed cryoglobulinemia with monoclonal IgA and biclonal IgM during hepatitis C virus infection]. Ann Biol Clin (Paris) 2004; 62:334-7. [PMID: 15217768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
Cryoglobulins are immunoglobulins that precipitate at low temperature and dissolve when warmed. According to Brouet, their classification relies upon the immunochemical study: type I comprises monoclonal immunoglobulins (IGG), when types II and III include both monoclonal and polyclonal components. During C hepatitis, the presence of a cryoglobulin, essentially made of mixed G-IGG and M-IGG, is a common feature with a prevalence of 40 to 80%. The authors report a case of a 63-year patient who presented with a vascular purpura and a peripheral polyneuropathy in a context of C hepatitis infection. The cryoglobulin found was composed of a monoclonal kappa A-IgG associated with a biclonal kappa and lambda M-IgG. No decrease of normal IgGs was found. This type of cryoglobulin does not belong to Brouet's classification, and argues for a new and more pertinent classification to be proposed.
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Affiliation(s)
- S Abdi
- Service de Médicine interne A, Hôpital Ibn-Sina, CHU, Rabat, Morocco
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Kobierski LA, Abdi S, DiLorenzo L, Feroz N, Borsook D. A single intravenous injection of KRN5500 (antibiotic spicamycin) produces long-term decreases in multiple sensory hypersensitivities in neuropathic pain. Anesth Analg 2003; 97:174-82, table of contents. [PMID: 12818962 DOI: 10.1213/01.ane.0000066359.83348.f1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
UNLABELLED Neuropathic pain is a significant clinical problem. Currently, there are no drugs that produce complete amelioration of this type of pain. We have previously shown that KRN5500, a derivative of the antibiotic spicamycin, produces a prolonged (7-day), and significant reduction in neuropathic pain, but not nociceptive pain. Herein, we provide further evidence for the efficacy of this drug in inhibiting pain after IV injection in a spared nerve injury model of neuropathic pain. A single IV dose of the drug produces an increase in pain thresholds to punctuate mechanical stimuli and to cold stimuli over a period of 7 days, whereas IV injection of the vehicle is without any effect. No change in pain threshold was observed in the contralateral foot. In addition, a significant antiallodynic effect to mechanical stimuli was observed at 1, 2, 4, and 6 wk. The drug may be a potential candidate for cancer-related neuropathic pain as well as a marker for discovery of effective analgesics for neuropathic pain. IMPLICATIONS We examined the effect of a novel drug (KRN5500) on nerve damage pain. After the successful effects of this drug in a single human, we have shown that the drug infused as a single application at different doses in a rat model of nerve damage pain produces pain relief in this model for many weeks.
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Affiliation(s)
- L A Kobierski
- Department of Radiology, Center for Functional Pain Neuroimaging and Therapy Research, Charlestown, Massachusetts 02129, USA
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Ahsan H, Abdi S, Ali A. Recognition of DNA-arginine photoadduct by anti-DNA autoantibodies in systemic lupus erythematosus. Indian J Med Res 2002; 115:201-11. [PMID: 12362560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023] Open
Abstract
BACKGROUND & OBJECTIVES Studies have been carried out to synthesize and characterize the photoconjugate between positively charged amino acid, arginine and DNA fragments and their role in the induction of anti-DNA antibodies. METHODS Calf thymus DNA fragments of about 200 base pairs (bp) were covalently crosslinked with arginine under UV light. The amino acid was found to be covalently photoconjugated to DNA and resulted in the formation of a crosslink. The photoadduct was characterized by various physicochemical methods. RESULTS Photoaddition of arginine to 200 bp DNA rendered the nucleic acid conformer thermodynamically more stable than the native form. After systematic characterization of the photoadduct, it was used as an antigen for the generation of antibodies in experimental animals. The photoadducts were found to be immunogenic in rabbits, inducing high titre antibodies. The DNA-arginine photoadduct showed higher binding with SLE sera known to have high level of anti-DNA antibodies. INTERPRETATION & CONCLUSION Naturally occurring anti-DNA autoantibodies were found to recognize DNA-arginine photoadduct. The recognition of DNA-arginine photoadduct by anti-DNA autoantibodies points to the role of modified DNA in the induction of anti-DNA antibodies in autoimmune disorders.
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Affiliation(s)
- H Ahsan
- Department of Biochemistry, J.N. Medical College, Aligarh Muslim University, Aligarh, India.
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Tazi-Mezalek Z, Essaadouni L, Harmouche H, Abdi S, Adnaoui M, Aouni M, Mohattane A, Maaouni A. Les aspects clinicobiologiques, histologiques et évolutifs des GNMP lupiques au Maroc. À propos de 50 observations. Rev Med Interne 2002. [DOI: 10.1016/s0248-8663(02)80119-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Abdi S. Anti-tumor agents for neuropathic pain: switching roles? Curr Opin Anaesthesiol 2001; 14:497-8. [PMID: 17019136 DOI: 10.1097/00001503-200110000-00006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Lutchman-Singh K, Abdi S, Bhal PS. Failed sterilisation, a continuing problem for the gynaecologist? J OBSTET GYNAECOL 2001; 21:408-9. [PMID: 12521840 DOI: 10.1080/01443610120063748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- K Lutchman-Singh
- Department of Obstetrics and Gynaecology University Hospital of Wales NHS Trust, UK
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Abstract
OBJECTIVE To investigate the feasibility, methods and the primary results of utilizing music as a means of habilitation of children with cochlear implant. STUDY DESIGN A habilitation program based on music training is developed. The results are presented as a case-series. METHODS Music Training Program is introduced as a new habilitation program. Methods of training (based on Orff method) and measuring the outcomes are introduced in this paper. Effects of this program on other habilitation programs and overall hearing related skills of children were also investigated by open questioning of the parents and the habilitation staff. RESULTS Twenty-three children, (age: 2.5-12.5 years) were selected. All children showed appreciable progress in playing a musical instrument. The effects on other habilitation processes were significant and all parents expressed their satisfaction with the program, as they perceived its benefits. DISCUSSION The necessity of adding Music Training Program to the routine habilitation may be summarized as follows: Music is a feature of sound, which should be mastered. The psychological effects of being able to accomplish a hearing-related task can add to the self-esteem of children and help prevent and reduce anxiety. Music is a habilitation method: Introducing new concepts of sound, like temporal and frequency-related characteristics, is a crucial part of the habilitation of a child with cochlear implant. Practising new concepts needs motivation, too. We emphasize on using all means of rehabilitation and encourage teaching music to cochlear implant children between 4 and 5 years of age having approximately 4 months of experience with cochlear implant.
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Affiliation(s)
- S Abdi
- Cochlear Implantation Clinic, Hearing Research Center, Amir Aalam Hospital, Tehran University of Medical Sciences, Saadi Avenue,Tehran 11457, Iran
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Abdi S, Cameron I, Nakielny R, Majeed A. Spontaneous hepatic rupture and maternal death following an uncomplicated pregnancy and delivery. ACTA ACUST UNITED AC 2001. [DOI: 10.1016/s0306-5456(00)00087-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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