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Ramzan M, Jamshaid T, Ali L, Dawar K, Saba R, Jamshaid U, Fahad S, Salmen SH, Ansari MJ, Danish S, Hareem M, Saif H, Shahzad K. Modulation of sunflower growth via regulation of antioxidants, oil content and gas exchange by arbuscular mycorrhizal fungi and quantum dot biochar under chromium stress. BMC Plant Biol 2023; 23:629. [PMID: 38062351 PMCID: PMC10704615 DOI: 10.1186/s12870-023-04637-6] [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] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 11/28/2023] [Indexed: 12/18/2023]
Abstract
Chromium (Cr) toxicity significantly threatens sunflower growth and productivity by interfering with enzymatic activity and generating reactive oxygen species (ROS). Zinc quantum dot biochar (ZQDB) and arbuscular mycorrhizal fungi (AMF) have become popular to resolve this issue. AMF can facilitate root growth, while biochar tends to minimize Cr mobility in soil. The current study aimed to explore AMF and ZQDB combined effects on sunflower plants in response to Cr toxicity. Four treatments were applied, i.e. NoAMF + NoZQDB, AMF + 0.40%ZQDB, AMF + 0.80%ZQDB, and AMF + 1.20%ZQDB, under different stress levels of Cr, i.e. no Cr (control), 150 and 200 mg Cr/kg soil. Results showed that AMF + 1.20%ZQDB was the treatment that caused the greatest improvement in plant height, stem diameter, head diameter, number of leaves per plant, achenes per head, 1000 achenes weight, achene yield, biological yield, transpiration rate, stomatal conductance, chlorophyll content and oleic acid, relative to the condition NoAMF + No ZQDB at 200 mg Cr/kg soil. A significant decline in peroxidase (POD), superoxide dismutase (SOD), and catalase (CAT) while improvement in ascorbate peroxidase (APx), oil content, and protein content further supported the effectiveness of AMF + 1.20%ZQDB against Cr toxicity. Our results suggest that the treatment AMF + 1.20%ZQDB can efficiently alleviate Cr stress in sunflowers.
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Affiliation(s)
- Musarrat Ramzan
- Department of Botany, Faculty of Chemical and Biological Sciences, The Islamia University of Bahawalpur, Bahawalpur, Pakistan.
| | - Talha Jamshaid
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Punjab, Pakistan
| | - Liaqat Ali
- Cholistan institute of Desert Studies, The Islamia University of Bahawalpur, Bahawalpur, Punjab, Pakistan
| | - Khadim Dawar
- Department of Soil and Environmental Science, the University of Agriculture Peshawar, Peshawar, Pakistan
| | - Rabia Saba
- Department of Biological Science, University of Thal Bhakkar, Bhakkar, Pakistan
| | - Usama Jamshaid
- Faculty of Pharmacy, University Des Strasbourg, Strasbourg, France
| | - Shah Fahad
- Department of Agronomy, Abdul Wali Khan University Mardan, Mardan, 23200, Khyber Pakhtunkhwa, Pakistan.
| | - Saleh H Salmen
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia
| | - Mohammad Javed Ansari
- Department of Botany, Hindu College Moradabad (MJP Rohilkhand University Bareilly), Moradabad, 244001, India
| | - Subhan Danish
- Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab, Pakistan.
| | - Misbah Hareem
- Department of Environmental Sciences, The Woman University Multan, Multan, Punjab, Pakistan
| | - Hina Saif
- Department of Environmental Sciences, The Woman University Multan, Multan, Punjab, Pakistan
| | - Khurrum Shahzad
- Department of Soil Science, Water and Marine Sciences, Lasbela university of Agriculture, Uthal, Balochistan, Pakistan
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Saba R, Iqbal S, Shakoor RI, Saleem MM, Bazaz SA. Design and analysis of four-jaws microgripper with integrated thermal actuator and force sensor for biomedical applications. Rev Sci Instrum 2021; 92:045007. [PMID: 34243476 DOI: 10.1063/5.0032404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 03/19/2021] [Indexed: 06/13/2023]
Abstract
This research paper presents design and analysis of the multi-jaw microgripper that can manipulate microbiological organisms and species, cell probing and measurement, biomedical sample sorting, and preparation. Four jaws, actuated with a single thermal chevron actuator, can grip microbiological species ranging from 300 to 700 μm, 1 to 340 μm, 100 μm pool, and 1 to 120 μm spongy cells, respectively. Jaws are designed in such a way that they can grip regular, irregular, and spongy shaped biological species and their organelles. Parametric analysis of the microgripper exhibited that at 10 V, the efficiency of the thermal actuator is at maximum with respect to displacement, force, and temperature. To enhance displacement to voltage ratio and increase the energy efficiency, a class 3 lever mechanism has been incorporated. The amplification factors at four jaws are 17.21, 13.82, 4.02, and 4.93, respectively. For controlled application of the force to microspecies, two electrostatic force sensors have been amalgamated with jaws having capacitive sensitivities of 1.59 nf/μm, 1.91 nf/μm, 17 nf/μm, and 14.5 nf/μm, respectively. Electrothermal, static, and electrostatic analyses have been carried out with the finite element methods based software IntelliSuite®. Stress magnitudes are within the limits of structural integrity of silicon having a factor of safety 2.5. Thermal analysis revealed that at a differential voltage of 10 V, the maximum temperature goes up to 425 °C. Buckling analysis results depicted that the critical load for the thermal actuator is 241 μN with the buckling load factor greater than unity. This paper focuses on microbiological applications only; however, the designed microgripper can be used to manipulate micro-objects, microstructures, microelectronics parts, and micro assembly.
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Affiliation(s)
- Rabia Saba
- Department of Mechatronics Engineering, Air University, Sector E-9, Islamabad 44230, Pakistan
| | - Sohail Iqbal
- Department of Mechanical and Aerospace Engineering, Institute of Avionics and Aeronautics, Air University, Sector E-9, Islamabad 44230, Pakistan
| | - Rana I Shakoor
- Department of Mechatronics Engineering, Air University, Sector E-9, Islamabad 44230, Pakistan
| | - M M Saleem
- AU-MEMS Sensor Design & Test Lab, National Center for Robotics and Automation, Air University, Sector E-9, Islamabad 44230, Pakistan
| | - Shafaat A Bazaz
- AU-MEMS Sensor Design & Test Lab, National Center for Robotics and Automation, Air University, Sector E-9, Islamabad 44230, Pakistan
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Masillo A, Brandizzi M, Valmaggia LR, Saba R, Lo Cascio N, Lindau JF, Telesforo L, Venturini P, Montanaro D, Di Pietro D, D'Alema M, Girardi P, Fiori Nastro P. Interpersonal sensitivity and persistent attenuated psychotic symptoms in adolescence. Eur Child Adolesc Psychiatry 2018; 27:309-318. [PMID: 28918440 DOI: 10.1007/s00787-017-1047-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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: 09/13/2016] [Accepted: 09/01/2017] [Indexed: 01/10/2023]
Abstract
Interpersonal sensitivity defines feelings of inner-fragility in the presence of others due to the expectation of criticism or rejection. Interpersonal sensitivity was found to be related to attenuated positive psychotic symptom during the prodromal phase of psychosis. The aims of this study were to examine if high level of interpersonal sensitivity at baseline are associated with the persistence of attenuated positive psychotic symptoms and general psychopathology at 18-month follow-up. A sample of 85 help-seeking individuals (mean age = 16.6, SD = 5.05) referred an Italian early detection project, completed the interpersonal sensitivity measure and the structured interview for prodromal symptoms (SIPS) at baseline and were assessed at 18-month follow-up using the SIPS. Results showed that individuals with high level of interpersonal sensitivity at baseline reported high level of attenuated positive psychotic symptoms (i.e., unusual thought content) and general symptoms (i.e., depression, irritability and low tolerance to daily stress) at follow-up. This study suggests that being "hypersensitive" to interpersonal interactions is a psychological feature associated with attenuated positive psychotic symptoms and general symptoms, such as depression and irritability, at 18-month follow-up. Assessing and treating inner-self fragilities may be an important step of early detection program to avoid the persistence of subtle but very distressing long-terms symptoms.
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Affiliation(s)
- Alice Masillo
- Faculty of Medicine and Odontology, Department of Neurology and Psychiatry, Sapienza University of Rome, UOD Psicoterapia "Villa Tiburtina" via Casal de' Pazzi 16, 00156, Rome, Italy.
| | - M Brandizzi
- Faculty of Medicine and Odontology, Department of Neurology and Psychiatry, Sapienza University of Rome, UOD Psicoterapia "Villa Tiburtina" via Casal de' Pazzi 16, 00156, Rome, Italy
| | - L R Valmaggia
- Department of Psychology, King's College London, Institute of Psychiatry, Psychology and Neuroscience, London, UK.,South London and Maudsley NHS Trust, London, UK
| | - R Saba
- Faculty of Medicine and Odontology, Department of Neurology and Psychiatry, Sapienza University of Rome, UOD Psicoterapia "Villa Tiburtina" via Casal de' Pazzi 16, 00156, Rome, Italy
| | - N Lo Cascio
- Faculty of Medicine and Odontology, Department of Neurology and Psychiatry, Sapienza University of Rome, UOD Psicoterapia "Villa Tiburtina" via Casal de' Pazzi 16, 00156, Rome, Italy
| | - J F Lindau
- Faculty of Medicine and Odontology, Department of Neurology and Psychiatry, Sapienza University of Rome, UOD Psicoterapia "Villa Tiburtina" via Casal de' Pazzi 16, 00156, Rome, Italy
| | - L Telesforo
- Neurosciences, Mental Health and Sensory Functions (NESMOS) Department, Faculty of Medicine and Psychology, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | - P Venturini
- Neurosciences, Mental Health and Sensory Functions (NESMOS) Department, Faculty of Medicine and Psychology, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | - D Montanaro
- Community Mental Health Service, ASL Rome H, Rome, Italy
| | - D Di Pietro
- Community Mental Health Service, ASL Rome H, Rome, Italy
| | - M D'Alema
- Community Mental Health Service, ASL Rome H, Rome, Italy
| | - P Girardi
- Neurosciences, Mental Health and Sensory Functions (NESMOS) Department, Faculty of Medicine and Psychology, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | - P Fiori Nastro
- Faculty of Medicine and Odontology, Department of Neurology and Psychiatry, Sapienza University of Rome, UOD Psicoterapia "Villa Tiburtina" via Casal de' Pazzi 16, 00156, Rome, Italy
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Abstract
Vancomycin-resistant enterococci are unusual etiologic agents of bacterial meningitis and pose significant therapeutic difficulties. We report the first confirmed case of nosocomial vancomycin-resistant Enterococcus faecium meningitis in Turkey. The patient was treated with chloramphenicol and cerebrospinal fluid cultures became negative, but clinical success was not achieved. We also review the previously reported cases of vancomycin-resistant Enterococcus faecium meningitis.
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Affiliation(s)
- D Inan
- Department of Infectious Diseases and Clinical Microbiology, Akdeniz University, Medicine Faculty, Antalya, Turkey.
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Armando M, Dario C, Righetti V, Saba R, Cavaggioni G, Lia C, Fiori Nastro P. [Depressive and anxiety symptoms in a community sample of young adults and correlation with help-seeking behavior]. Clin Ter 2010; 161:e25-e32. [PMID: 20499016] [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] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
AIMS To evaluate: (i) self-perceived stress, depressive and anxiety symptoms in a community sample of young adults; (ii) which elements have most impact on the development of mental disease; (iii) if high levels of mental disease are related to help-seeking behavior. MATERIALS AND METHODS The study was carried out on a sample of 1660 university students. The evaluation of the perceived stress was conducted using the Stress-Related Vulnerability Scale (SVS), the evaluation of depressive and anxiety symptoms with Beck Depression Inventory-II (BDI-II) and Beck Anxiety Inventory (BAI). A descriptive analysis of all the data collected was carried out and the principal links between variables and level of mental disease were detected. Finally the reasons for the failure to seek help were investigated. RESULTS Mean scores of BDI-II and BAI were respectively 10.9 (sigma = 8.3) and 11.4 (sigma = 9.4) and about 4% of the sample showed a pathological level of stress with the SVS. Female sex, non resident status and conflictual family climate were found to be more related with more severe anxious and depressive symptoms. Moreover, the latter ones were found to be strongly related with help-seeking behavior. CONCLUSION In this sample mental disease associated with distress show a significant percentage. Higher level of anxiety and depressive symptoms are more related to perceived need for help and help-seeking behavior. Nevertheless the level of unexpressed help-seeking turn out to be high for multiple reason.
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Affiliation(s)
- M Armando
- Dipartimento di Scienze Psichiatriche e Medicina Psicologica, U.O.D. Psicoterapia Villa Tiburtina, Roma. Italia.
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Abstract
Visceral larva migrans (VLM) most commonly occurs as a febrile disease of childhood particularly affecting children between 1 and 7 years of age. Pulmonary, dermatological, hepatic, lymphatic, cardiac, rheumatological and neurological manifestations may occur. VLM seems to be a rare disease in adults. We report the imaging findings of a woman with hepatic toxocariasis. Ultrasonography showed a solitary hepatic lesion measuring 4 x 3 cm, displaying a hypoechoic-heterogeneous pattern with ill-defined borders and distal acoustic enhancement, located in the right sub-diaphragmatic area. Two enlarged periportal lymph nodes and moderately dilated intrahepatic biliary ducts were also noted. The probability of toxocariasis was discussed, based on sonographic and biopsy findings, and the final diagnosis was confirmed by a specific ELISA test. In summary, a clinical picture of cholestasis initially resembling hepatitis or malignancy should be further evaluated by imaging techniques, and the ultrasound examiner should be familiar with the possible findings of hepatic toxocariasis, which consist of focal ill-defined hepatic lesions, hepato-splenomegaly, biliary dilatation, sludge and periportal lymph node enlargement.
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Affiliation(s)
- A Kabaalioğlu
- Department of Radiology, Akdeniz University Faculty of Medicine, Turkey.
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Turkay C, Saba R, Sahin N, Altunbas H, Ozbudak Ö, Akkaya B, Özbilim G, Cölbasi I, Turkay M, Ögünç D, Bayezid Ö. Effect of chronic Pseudomonas aeruginosa infection on the development of atherosclerosis in a rat model. Clin Microbiol Infect 2004. [DOI: 10.1111/j.1469-0691.2004.01048.x] [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: 11/28/2022]
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Turkay C, Saba R, Sahin N, Pahin N, Altunbas H, Altunbap H, Ozbudak O, Akkaya B, Ozbilim G, Cölbasi I, Gölbapý Y, Turkay M, Ogünc D, Odünç D, Bayezid O. Effect of chronic Pseudomonas aeruginosa infection on the development of atherosclerosis in a rat model. Clin Microbiol Infect 2004; 10:705-8. [PMID: 15301672 DOI: 10.1111/j.1469-0691.2004.00920.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [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: 11/29/2022]
Abstract
In order to investigate the possible relationship between atherosclerosis and chronic Pseudomonas aeruginosa infection, 66 Wistar rats were given five separate intratracheal inoculations of either P. aeruginosa or sterile saline at 4-week intervals. The rats were divided into four groups: group 1 was infected with P. aeruginosa and fed a diet containing cholesterol 1% w/v; group 2 was infected with P. aeruginosa and fed a normal diet; group 3 was not infected and was fed a diet containing cholesterol 1% w/v; and group 4 (the control group) was not infected and was fed a normal diet. One month after the final inoculation, the rats were killed humanely; computerised image analysis was used to evaluate sections of the aorta and heart, and the maximal wall thickness of the aorta and coronary artery. The aortic wall thickness was significantly greater for group 1 (329.53 +/- 58.06 microm) compared to groups 2 (190.59 +/- 27.81 microm; p < 0.0001), 3 (262.90 +/- 61.12 microm; p < 0.0004) and 4 (158.00 +/- 30.30 microm; p < 0.0001). Similarly, the coronary artery wall thickness was significantly greater for group 1 (72.96 +/- 10.67 microm) compared to groups 2 (35.07 +/- 8.53 microm; p < 0.0001), 3 (41.45 +/- 10.22 microm; p < 0.0001) and 4 (32.30 +/- 5.27 microm; p < 0.0001). These findings strengthen the hypothesis that chronic infection plays a role in the pathogenesis of atherosclerosis.
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Affiliation(s)
- C Turkay
- Department of Cardiovascular Surgery, Akdeniz University, Antalya, Turkey.
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Saba R, Beköz H, Karadoğan I, Inan D, Bilgin-Uğur A, Oğünç D, Cevikol C, Temizkan K, Timurağaoğlu A, Undar L. Septic arthritis due to Aspergillus treated with amphotericin B lipid complex and surgical debridement. J Chemother 2004; 16:218-20. [PMID: 15216961 DOI: 10.1179/joc.2004.16.2.218] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Abstract
Fasciola hepatica, a zoonotic liver fluke, can also cause disease in humans. Common symptoms are epigastric pain, upper abdominal pain and malaise. Fever and arthralgia are common in acute fascioliasis. Eosinophilia is the predominant laboratory finding, especially in patients with the acute form of the disease. Diagnosis and treatment is not easy, as physicians rarely encounter this disease, and effective drugs are not available in many countries. Human fascioliasis may be underestimated. Patients with eosinophilia and abdominal pain should be evaluated for F. hepatica infestation by parasitological, radiological and serological tests.
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Affiliation(s)
- R Saba
- Akdeniz University, Infectious Diseases and Clinical Microbiology, Antalya, Turkey.
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Miyazaki J, Jozaki M, Nakatani N, Watanabe T, Saba R, Nakada K, Hirabayashi T, Yonemura I. The structure of the avian fast skeletal muscle troponin T gene: seven novel tandem-arranged exons in the exon x region. J Muscle Res Cell Motil 1999; 20:655-60. [PMID: 10672513 DOI: 10.1023/a:1005504018059] [Citation(s) in RCA: 11] [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: 11/12/2022]
Abstract
To elucidate the mechanism that produces enormous molecular diversity in troponin T (TnT) of fast skeletal muscle, we determined the 5'-half genomic sequence of the chicken fast muscle TnT gene. The sequence of ca. 16 kb included seven exons (exons 1, 2, 3, 4, w, 5, and 6), which have been reported previously and presumed by sequencing TnT cDNAs. Additionally we found six 15 nt and one 18 nt sequences in the region between exons 5 and 6 (i.e. the exon x region). They were encompassed by consensus splice donor and acceptor sites and preceded by putative branch sites, and designated herein as exons xa to xg. Our result shows that the sequence derived from exons x1, x2, and x3, the exons presumed previously by cDNA sequencing, is actually encoded by the seven exons xa to xg, establishing the precise gene structure in the exon x region. Based on our data, together with that on the 3'-half genomic sequence of the quail fast muscle TnT gene, we conclude that the avian fast skeletal muscle TnT gene includes 27 exons, 16 of which are alternatively spliced.
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Affiliation(s)
- J Miyazaki
- Institute of Biological Sciences, University of Tsukuba, Japan.
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Nakada K, Miyazaki JI, Saba R, Hirabayashi T. Natural occurrence of fast- and fast/slow-muscle chimeric fibers in the expression of troponin T isoforms. Exp Cell Res 1997; 235:93-9. [PMID: 9281356 DOI: 10.1006/excr.1997.3654] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [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: 02/05/2023]
Abstract
Rhomboideus, one of the back muscle tissues, and its single fibers were studied in chickens by immunostaining with antisera against fast- and slow-muscle-type troponin T isoforms. Nonuniform distribution of slow-muscle-type isoforms was for the first time detected in single fibers isolated from the muscle, although fast-muscle-type troponin T isoforms were distributed over the whole length of the fiber. Based on these observations, we conclude that fast- and fast/slow-muscle chimeric fibers exist in normal skeletal muscle tissue and that the existence of chimeric fibers is direct evidence showing that myonuclei subjected to different determination in troponin T isoform expression can together form a single muscle fiber.
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Affiliation(s)
- K Nakada
- Institute of Biological Sciences, University of Tsukuba, Tsukuba, Ibaraki, 305, Japan
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Dafallah AA, Eskandarani H, Rehaimi A, al-Ali AK, Elbashir AM, Saba R. Fructosamine in HbS and G6PD-deficient Saudi Arabs in the Eastern Province of Saudi Arabia. Br J Biomed Sci 1994; 51:332-5. [PMID: 7756939] [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: 01/27/2023]
Abstract
Plasma fructosamine, total proteins and albumin were estimated in a group of 77 sickle cell anaemia and 32 glucose-6-phosphate dehydrogenase (G6PD)-deficient Saudi Arabs and the results compared with those obtained in a group of 30 normal controls. The mean values of fructosamine in the sickle cell anaemia and G6PD-deficient patients were not statistically different from those of the controls. The mean values of the total proteins and albumin were also not significantly different from those of the normal group. It is concluded that fructosamine level is not affected by sickle cell anaemia and G6PD deficiency, and provides a useful tool for monitoring diabetic patients in regions with high prevalence of haemoglobinopathies and G6PD deficiency.
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Affiliation(s)
- A A Dafallah
- Department of Biochemistry, College of Medicine and Medical Sciences, King Faisal University, Dammam, Saudi Arabia
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al-Ali AK, Rehaimi A, Saba R, Power DM. A comparative study of glycosylated haemoglobin level in the Arabian camel (Camelus dromedarius) during different seasons. Comp Biochem Physiol B 1990; 96:821-3. [PMID: 2225777 DOI: 10.1016/0305-0491(90)90238-o] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
1. The extent of haemoglobin glycosylation from 60 camels has been determined (4.39%) in blood samples drawn during winter. 2. Phosphate (9.45 mg/dl), DPG (2.9 mumol/ml) and glucose (138 mg/dl) levels were also recorded. 3. In addition the P50 at pH 7.4 was measured (22.8 Torrs). 4. The data obtained compared with human blood levels and with levels reported for camels during summer sampling. 5. Despite the fact that camels have higher blood glucose levels than humans, the extent of glycosylation is much less in camel blood than in human blood.
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Affiliation(s)
- A K al-Ali
- Department of Biochemistry, College of Medicine and Medical Sciences, King Faisal University, Saudi Arabia, UK
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al-Ali AK, al-Husayni H, al-Mutairy A, Saba R, Power DM. A study of the biochemical characteristics of NADP+ isocitrate dehydrogenase from the liver and kidney of the Arabian camel (Camelus dromedarius). Comp Biochem Physiol B 1989; 92:517-21. [PMID: 2706940 DOI: 10.1016/0305-0491(89)90125-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
1. NADP+ isocitrate dehydrogenase was partially purified from camel liver and kidney by an FPLC. 2. The specific activity of the purified preparation from liver was 63.5 mumol/min/mg protein and from the kidney was similar, 58.7 mumol/min/mg protein. 3. The enzyme from the two sources were similar in their pH optimum (7.6), electrophoretic mobility and stability to thermal inactivation at 60 degrees C. 4. Heat inactivation was accelerated by oxidized glutathione and cystine and decreased by dithiothreitol, reduced glutathione and cysteine. 5. The molecular weight of the enzyme from both organs was estimated as 60,000 +/- 5000. 6. Divalent metal ions increased the activities of both enzymes, with maximum catalytic activity in the presence of Mn2+ ions.
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Affiliation(s)
- A K al-Ali
- Department of Biochemistry, College of Medicine and Medical Sciences, King Faisal University, Dammam, Saudi Arabia
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Monnier D, Saba R. [Determination of the traces of hydroxocobalamin (vitamin B 12a) in the presence of cyanocobalamin (vitamin B 12)]. Pharm Acta Helv 1967; 42:328-34. [PMID: 5602000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Kuzmanic A, Alvo M, Faivovich A, Malfi M, Gonzalez F, Saba R. [Acute renal insufficiency]. Rev Med Chil 1965; 93:302-8. [PMID: 5891817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Alvo M, Kuzmanic A, Faivovich A, Melfi M, Gonzalez F, Jimenez O, Saba R. [Post-abortion acute renal insufficiency]. Rev Med Chil 1965; 93:309-14. [PMID: 5891818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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