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Mahdi M, Dachi RA, Musa I, Ahmed SG, Gwarzo AK, Ismail A, Abdu A, Mustapha FG. RELATIONSHIP BETWEEN SICKLE CELL NEPHROPATHY AND SOME BIOCHEMICAL MARKERS OF HAEMOLYSIS AMONGST PATIENTS WITH SICKLE CELL ANAEMIA IN KANO, NORTHWESTERN NIGERIA. West Afr J Med 2023; 40:S23-S24. [PMID: 37976329] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Introduction Advancements in the care of patients with sickle cell anaemia have led to significant improvement in survival with many patients reaching adulthood. As they age, long-term complications of the disease manifest in them, notable amongst which is nephropathy which is one of the leading causes of morbidity and mortality in them. There is limited information about sickle cell nephropathy and some biochemical markers of haemolysis that can detect it early in our setting. This study aimed to determine the relationship between some indirect markers of haemolysis and sickle cell nephropathy. Methodology The study was a descriptive cross-sectional one where 204 adolescent and adult patients with sickle cell anaemia attending the clinic of AKTH Kano were recruited. An interviewer-administered questionnaire was utilized. Blood samples were taken for determination of serum bilirubin, LDH, and reticulocyte count. Spot urine was used to quantitatively determine albumin to creatinine ratio. Data collated was analyzed using SPSS version 22.0. P-value <0.05 was considered significant. Result Two hundred and four (204) participants were enrolled in to the study. Their mean age was 19.6±5years. Females were the majority 131/204 (64.2%). The median (IQR) serum lactate dehydrogenase, bilirubin, direct bilirubin, and reticulocyte count were 607.0(487.3-758.5) U/L, 54.5(37.0-119.0) umol/L, 16.0(11.3-29.0) umol/L and 4.0(3.0-8.4%) respectively. Sickle cell nephropathy was found in 29/204 (14.2%). There were positive significant associations between sickle cell nephropathy with raised serum bilirubin and serum lactate dehydrogenase (p-value = 0.02 and 0.032 respectively). Conclusion Sickle cell nephropathy is common amongst patients with sickle cell anaemia and raised serum bilirubin and lactate dehydrogenase are predictors of sickle cell nephropathy.
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Affiliation(s)
- M Mahdi
- Department of Haematology and Blood Transfusion, Abubakar Tafawa Balewa University Teaching Hospital Bauchi, Bauchi State, Nigeria.
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Nikitenko O'Leary SM, Musa I, Zhou O, Husain A, Price A, Magnotti JF, Wang Z, Beauchamp MS, Gadot R, Sheth SA, Rodriguez LC, Karas PJ. 506 Fingerprinting the Epileptogenic Zone in RAVE. Neurosurgery 2023. [DOI: 10.1227/neu.0000000000002375_506] [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: 03/17/2023] Open
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Musa I, Yang N, Li X. Investigation Of Plant Derived Compound Formononetin In A Murine Model Of Peanut Allergy. J Allergy Clin Immunol 2023. [DOI: 10.1016/j.jaci.2022.12.668] [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: 02/05/2023]
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Yang N, Musa I, Maskey AR, Li K, Wang Z, Liang B, Zhang S, Zhan J, Li XM. Formononetin isolated from Sophorae flavescentis inhibits B cell-IgE production by regulating ER-stress transcription factor XBP-1. Front Allergy 2023; 3:1056203. [PMID: 36816476 PMCID: PMC9928687 DOI: 10.3389/falgy.2022.1056203] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 12/12/2022] [Indexed: 02/04/2023] Open
Abstract
Rationale IgE plays an important pathologic role in most, if not all, allergic conditions. We previously showed that ASHMI (anti-asthma herbal medicine intervention) suppressed IgE production in murine models of asthma and in asthma subjects. However, the active compounds in ASHMI responsible for the IgE suppression are still unknown. Objective We sought to identify the compound(s) in ASHMI that are responsible for IgE inhibition as well as investigate the mechanisms by which the identified compound(s) decreases IgE production. Methods The compounds in Sophorae Flavescentis were separated using Column chromatography and preparative-HPLC. The separated compounds were identified using LC-MS and 1H-NMR. U266 cells, an IgE-producing plasma cell line, were cultured with various concentrations of identified compounds. The levels of IgE production by the U266 cell were measured by ELISA. Trypan blue exclusion was used to determine the cell viability. The gene expression of XBP-1 and IgE-heavy chain was determined by RT-PCR. Results A single compound identified as formononetin was isolated from Sophorae Flavescentis. Formononetin significantly and dose dependently decreased the IgE production in U266 cells across a concentration range of 2-20 µg/ml (p < 0.05-0.001 vs. untreated cells) with an IC50 value of 3.43 μg/ml. There was no cytotoxicity at any tested concentration. Formononetin significantly decreased XBP-1, and IgE-heavy chain gene expression compared with untreated cells (p < 0.001). Conclusion Formononetin decreased IgE production in human B cell line U266 cells in a dose-dependent fashion through the regulation of XBP-1 ER transcription. Formononetin may be a potential therapy for allergic asthma and other IgE-mediated diseases.
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Affiliation(s)
- Nan Yang
- General Nutraceutical Technology LLC, Elmsford, NY, United States,Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, United States
| | - Ibrahim Musa
- Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, United States
| | - Anish R. Maskey
- Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, United States
| | - Ke Li
- Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, United States,Guangdong Hospital Department of Integrated Traditional Chinese and Western Medicine, Guangzhou University of Chinese Medicine, Foshan, China
| | - Zhenzhen Wang
- Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, United States,Department of Chinese Medicine, Henan University of Chinese Medicine, Zhengzhou, China
| | - Banghao Liang
- Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, United States
| | - Shuwei Zhang
- Department of Biological Engineering, Utah State University, Logan, UT, United States
| | - Jixun Zhan
- Department of Biological Engineering, Utah State University, Logan, UT, United States
| | - Xiu-Min Li
- Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, United States,Department of Otolaryngology, New York Medical College, Valhalla, NY, United States,Correspondence: Xiu-Min Li
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Chen Z, McKnight T, Yang N, Maskey A, Musa I, Li XM. Traditional Chinese Medicine's Luffa Formula Reduces Nasal and Ocular Symptoms in Patients with Environmental and Food Allergies. J Allergy Clin Immunol 2023. [DOI: 10.1016/j.jaci.2022.12.336] [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: 02/05/2023]
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Li K, Yu XH, Maskey AR, Musa I, Wang ZZ, Garcia V, Guo A, Yang N, Srivastava K, Dunkin D, Li JX, Guo L, Cheng YC, Yuan H, Tiwari R, Li XM. Cytochrome P450 3A4 suppression by epimedium and active compound kaempferol leads to synergistic anti-inflammatory effect with corticosteroid. Front Pharmacol 2023; 13:1042756. [PMID: 36793921 PMCID: PMC9922998 DOI: 10.3389/fphar.2022.1042756] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 12/23/2022] [Indexed: 01/31/2023] Open
Abstract
Introduction: Cytochrome P450 (CYP) 3A4 is a major drug metabolizing enzyme for corticosteroids (CS). Epimedium has been used for asthma and variety of inflammatory conditions with or without CS. It is unknown whether epimedium has an effect on CYP 3A4 and how it interacts with CS. We sought to determine the effects of epimedium on CYP3A4 and whether it affects the anti-inflammatory function of CS and identify the active compound responsible for this effect. Methods: The effect of epimedium on CYP3A4 activity was evaluated using the Vivid CYP high-throughput screening kit. CYP3A4 mRNA expression was determined in human hepatocyte carcinoma (HepG2) cells with or without epimedium, dexamethasone, rifampin, and ketoconazole. TNF-α levels were determined following co-culture of epimedium with dexamethasone in a murine macrophage cell line (Raw 264.7). Active compound (s) derived from epimedium were tested on IL-8 and TNF-α production with or without corticosteroid, on CYP3A4 function and binding affinity. Results: Epimedium inhibited CYP3A4 activity in a dose-dependent manner. Dexamethasone enhanced the expression of CYP3A4 mRNA, while epimedium inhibited the expression of CYP3A4 mRNA and further suppressed dexamethasone enhancement of CYP3A4 mRNA expression in HepG2 cells (p < 0.05). Epimedium and dexamethasone synergistically suppressed TNF-α production by RAW cells (p < 0.001). Eleven epimedium compounds were screened by TCMSP. Among the compounds identified and tested only kaempferol significantly inhibited IL-8 production in a dose dependent manner without any cell cytotoxicity (p < 0.01). Kaempferol in combination with dexamethasone showed complete elimination of TNF-α production (p < 0.001). Furthermore, kaempferol showed a dose dependent inhibition of CYP3A4 activity. Computer docking analysis showed that kaempferol significantly inhibited the catalytic activity of CYP3A4 with a binding affinity of -44.73kJ/mol. Discussion: Inhibition of CYP3A4 function by epimedium and its active compound kaempferol leads to enhancement of CS anti-inflammatory effect.
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Affiliation(s)
- Ke Li
- Guangdong Hospital of Integrated Traditional Chinese and Western Medicine, Guangzhou University of Chinese Medicine, Foshan, China,Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
| | - Xiu-Hua Yu
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States,Central Laboratory, Affiliated Hospital, Changchun University of Chinese Medicine, Changchun, China
| | - Anish R. Maskey
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
| | - Ibrahim Musa
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
| | - Zhen-Zheng Wang
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States,Academy of Chinese Medical Science, Henan University of Chinese Medicine, Zhengzhou, China
| | - Victor Garcia
- Department of Pharmacology, New York Medical College, Valhalla, NY, United States
| | - Austin Guo
- Department of Pharmacology, New York Medical College, Valhalla, NY, United States
| | - Nan Yang
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States,General Nutraceutical Technology, Elmsford, NY, United States
| | - Kamal Srivastava
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States,General Nutraceutical Technology, Elmsford, NY, United States
| | - David Dunkin
- Department of Pediatrics, Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Jun-Xiong Li
- Guangdong Hospital of Integrated Traditional Chinese and Western Medicine, Guangzhou University of Chinese Medicine, Foshan, China
| | - Longgang Guo
- Guangzhou ImVin Pharmaceutical Co., Ltd., Guangzhou, China
| | - Yung-Chi Cheng
- Department of Pharmacology, School of Medicine, Yale University, New Haven, China
| | - Haoliang Yuan
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
| | - Raj Tiwari
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
| | - Xiu-Min Li
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States,Department of Otolaryngology, Westchester Medical Center New York Medical College, Valhalla, NY, United States,*Correspondence: Xiu-Min Li,
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Igbokwe U, Baba-Ari AW, Igomu B, Okafor E, Musa I, Peters O, Okafor U, Molemodile Dele-Olowu S, Olalere E, Aigbogun E, Aina M. Perceptions of patent and proprietary medicine vendors and communities of the tiered accreditation programme for family planning services in Lagos and Kaduna states, Nigeria. Glob Public Health 2023; 18:2230488. [PMID: 37417453 DOI: 10.1080/17441692.2023.2230488] [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] [Indexed: 07/08/2023]
Abstract
This study evaluated the perception of patent and proprietary medicine vendors (PPMVs) of the accreditation programme to improve their capacity to provide family planning (FP) services in Lagos and Kaduna, Nigeria. A cross-sectional mixed-method approach among 224 PPMVs was used to investigate their perception, willingness to pay for and adhere to the programme, its benefits, and the community women's perception of the value of PPMVs. Chi-square analysis and structural equation modelling (SEM) were used to analyse survey data, while focus group discussions (FGDs) were analysed using the grounded theory. PPMVs were enthusiastic because of the benefits, including increased clientele, revenue, and improved service provision capacity. Approximately 97% of PPMVs found the programme acceptable and were willing to pay, with 56% and 71% willing to pay between N5000-N14900 ($12-36) and N25000-N35000 ($60-87), respectively. A significant relationship between educational attainment, location, and willingness to pay was revealed. Among community women, the fear of side effects, lack of partners' support, myths and misconceptions, and lack of access to modern contraceptives were factors affecting contraceptive uptake. The capacity of PPMVs to improve FP uptake is promising and can be leveraged to improve health outcomes in communities while strengthening their businesses.
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Affiliation(s)
- Uchenna Igbokwe
- Solina Centre for International Development and Research (SCIDaR), Wuse 2, Abuja, Nigeria
| | - Amina W Baba-Ari
- Solina Centre for International Development and Research (SCIDaR), Wuse 2, Abuja, Nigeria
| | - Boniface Igomu
- Solina Centre for International Development and Research (SCIDaR), Wuse 2, Abuja, Nigeria
| | - Emeka Okafor
- Society for Family Health, Garki, Abuja, Nigeria
| | - Ibrahim Musa
- Solina Centre for International Development and Research (SCIDaR), Wuse 2, Abuja, Nigeria
| | - Olufemi Peters
- Solina Centre for International Development and Research (SCIDaR), Wuse 2, Abuja, Nigeria
| | | | | | | | - Eric Aigbogun
- Solina Centre for International Development and Research (SCIDaR), Wuse 2, Abuja, Nigeria
| | - Muyi Aina
- Solina Centre for International Development and Research (SCIDaR), Wuse 2, Abuja, Nigeria
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Yang N, Maskey AR, Srivastava K, Kim M, Wang Z, Musa I, Shi Y, Gong Y, Fidan O, Wang J, Dunkin D, Chung D, Zhan J, Miao M, Sampson HA, Li XM. Inhibition of pathologic immunoglobulin E in food allergy by EBF-2 and active compound berberine associated with immunometabolism regulation. Front Immunol 2023; 14:1081121. [PMID: 36825019 PMCID: PMC9941740 DOI: 10.3389/fimmu.2023.1081121] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 01/02/2023] [Indexed: 02/10/2023] Open
Abstract
Introduction Food allergy is a significant public health problem with limited treatment options. As Food Allergy Herbal Formula 2 (FAHF-2) showed potential as a food allergy treatment, we further developed a purified version named EBF-2 and identified active compounds. We investigated the mechanisms of EBF-2 on IgE-mediated peanut (PN) allergy and its active compound, berberine, on IgE production. Methods IgE plasma cell line U266 cells were cultured with EBF-2 and FAHF-2, and their effects on IgE production were compared. EBF-2 was evaluated in a murine PN allergy model for its effect on PN-specific IgE production, number of IgE+ plasma cells, and PN anaphylaxis. Effects of berberine on IgE production, the expression of transcription factors, and mitochondrial glucose metabolism in U266 cells were evaluated. Results EBF-2 dose-dependently suppressed IgE production and was over 16 times more potent than FAHF-2 in IgE suppression in U266 cells. EBF-2 significantly suppressed PN-specific IgE production (70%, p<0.001) and the number of IgE-producing plasma cells in PN allergic mice, accompanied by 100% inhibition of PN-induced anaphylaxis and plasma histamine release (p<0.001) without affecting IgG1 or IgG2a production. Berberine markedly suppressed IgE production, which was associated with suppression of XBP1, BLIMP1, and STAT6 transcription factors and a reduced rate of mitochondrial oxidation in an IgE-producing plasma cell line. Conclusions EBF-2 and its active compound berberine are potent IgE suppressors, associated with cellular regulation of immunometabolism on IgE plasma cells, and may be a potential therapy for IgE-mediated food allergy and other allergic disorders.
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Affiliation(s)
- Nan Yang
- General Nutraceutical Technology, Elmsford, NY, United States.,Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
| | - Anish R Maskey
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
| | - Kamal Srivastava
- General Nutraceutical Technology, Elmsford, NY, United States.,Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
| | - Monica Kim
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Zixi Wang
- Department of Allergy, Peking Union Medical College Hospital, Beijing, China
| | - Ibrahim Musa
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States
| | - Yanmei Shi
- Academy of Chinese Medicine Sciences, Henan University of Traditional Chinese Medicine, Zhengzhou, Henan, China
| | - Yixuan Gong
- Division of Hematology and Medical Oncology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Ozkan Fidan
- Department of Biological Engineering, Utah State University, Logan, UT, United States.,Department of Bioengineering, Abdullah Gul University, Kayseri, Türkiye
| | - Julie Wang
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - David Dunkin
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Danna Chung
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Jixun Zhan
- Department of Biological Engineering, Utah State University, Logan, UT, United States
| | - Mingsan Miao
- Academy of Chinese Medicine Sciences, Henan University of Traditional Chinese Medicine, Zhengzhou, Henan, China
| | - Hugh A Sampson
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Xiu-Min Li
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY, United States.,Department of Otolaryngology, New York Medical College, Valhalla, NY, United States
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Nishimura Y, Chunthorng-Orn J, Lord S, Musa I, Dawson P, Holm L, Lai YC. Ubiquitin E3 ligase Atrogin-1 protein is regulated via the rapamycin-sensitive mTOR-S6K1 signaling pathway in C2C12 muscle cells. Am J Physiol Cell Physiol 2022; 323:C215-C225. [PMID: 35704697 DOI: 10.1152/ajpcell.00384.2021] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Atrogin-1 and MuRF1 are highly expressed in multiple conditions of skeletal muscle atrophy. The PI3K/Akt/FoxO signaling pathway is well known to regulate Atrogin-1 and MuRF1 gene expressions. However, Akt activation also activates the mammalian target of rapamycin complex 1 (mTORC1) which induces skeletal muscle hypertrophy. Whether mTORC1-dependent signaling has a role in regulating Atrogin-1 and/or MuRF1 gene and protein expression is currently unclear. In this study, we showed that activation of insulin-mediated Akt signaling suppresses both Atrogin-1 and MuRF1 protein contents and that inhibition of Akt increases both Atrogin-1 and MuRF1 protein contents in C2C12 myotubes. Interestingly, inhibition of mTORC1 using a specific mTORC1 inhibitor, rapamycin, increased Atrogin-1, but not MuRF1, protein content. Furthermore, activation of AMP-activated protein kinase (AMPK), a negative regulator of the mTORC1 signaling pathway, also showed distinct time-dependent changes between Atrogin-1 and MuRF1 protein contents, suggesting differential regulatory mechanisms between Atrogin-1 and MuRF1 protein content. To further explore the downstream of mTORC1 signaling, we employed a specific S6K1 inhibitor, PF-4708671. We found that Atrogin-1 protein content was dose-dependently increased with PF-4708671 treatment, whereas MuRF1 protein content was decreased at 50 μM of PF-4708671 treatment. However, MuRF1 protein content was unexpectedly increased when treated with PF-4708671 for a longer period. Overall, our results indicate that Atrogin-1 and MuRF1 protein contents are regulated by different mechanisms, the downstream of Akt, and that Atrogin-1 protein content can be regulated by rapamycin-sensitive mTOR-S6K1 dependent signaling pathway.
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Affiliation(s)
- Yusuke Nishimura
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Jitpisute Chunthorng-Orn
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Samuel Lord
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Ibrahim Musa
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Peter Dawson
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom.,MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, United Kingdom
| | - Lars Holm
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Yu-Chiang Lai
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom.,MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, United Kingdom.,Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, United Kingdom
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Musa I, Wang ZZ, Li X. Computational and Mechanistic Study of the Therapeutic Potential of Compound Formononetin in Preventing Mast Cell Activation and IgE Production in Food Anaphylaxis. FASEB J 2022. [DOI: 10.1096/fasebj.2022.36.s1.r4476] [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: 11/11/2022]
Affiliation(s)
- Ibrahim Musa
- Pathology, Microbiology & ImmunologyNew York Medical CollegeValhallaNY
| | - Zhen Zhen Wang
- Pathology, Microbiology & ImmunologyNew York Medical CollegeValhallaNY
- Academy of Chinese Medical Sciences, Henan University of Chinese MedicineZhengzhou
| | - Xiumin Li
- Pathology, Microbiology & ImmunologyNew York Medical CollegeValhallaNY
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Musa I, Raffin G, Hangouet M, Martin M, Alcacer A, Zine N, Bellagambi F, Jaffrezic-Renault N, ERRACHID A. Development of a chitosan/nickel phthalocyanine composite based conductometric micro‐sensor for methanol detection. ELECTROANAL 2022. [DOI: 10.1002/elan.202100707] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Musa I, Yang N, Li XM. Arctigenin Isolated From Arctium lappa Which Suppresses IgE Production Inhibits The Gene Expression Of Telomere and Telomerase In Human B Cell Line. J Allergy Clin Immunol 2022. [DOI: 10.1016/j.jaci.2021.12.743] [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: 11/24/2022]
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Mantip SE, Sigismeau A, Nanven M, Joel A, Qasim AM, Aliyu S, Musa I, Ezeanyika O, Faramade I, Ahmed G, Woma TY, Shamaki D, Libeau G, Farougou S, Bataille A. Wide circulation of peste des petits ruminants virus in sheep and goats across Nigeria. Onderstepoort J Vet Res 2021; 88:e1-e7. [PMID: 34636619 PMCID: PMC8517798 DOI: 10.4102/ojvr.v88i1.1899] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 06/11/2021] [Accepted: 06/15/2021] [Indexed: 11/29/2022] Open
Abstract
Peste des petits ruminants (PPR) is a highly contagious viral disease that mainly affects goats and sheep in Asia, Africa and the Middle East, and threatens Europe [R.E.1]. The disease is endemic on the African continent, particularly in West Africa, and is a major factor driving food insecurity in low-income populations. The aim of this research study was to carry out surveillance, genetic characterisation and isolation of recently circulating PPR viruses (PPRV) in sheep and goats from the six agro-ecological zones of Nigeria. A total of 268 post-mortem tissue samples of lung and mesenteric ganglia were collected from clinically suspected sheep and goats in 18 different states, of which five never previously sampled. The presence of PPRV was confirmed using a reverse-transcription coupled with a polymerase chain reaction (RT-PCR) assay. A total of 72 samples, 17 sheep (6%) and 55 goats (21%), were found to be PPR positive. Positive samples were distributed in almost all states, except Kano, where PPR was detected in previous studies. The PPRV-positive samples were further confirmed by sequencing or virus isolation in areas where the infection had never previously been detected. These results confirm the active circulation of PPRV across all six agro-ecological zones of Nigeria, and consequently, the need for introducing strict measures for the control and prevention of the disease in the country.
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Affiliation(s)
- Samuel E Mantip
- Communicable Disease Research Unit, Polytechnic School of Abomey-Calavi, University of Abomey-Calavi, Contonou, Benin; and, Virology Division, National Veterinary Research Institute, Vom.
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Nishimura Y, Musa I, Holm L, Lai YC. Recent advances in measuring and understanding the regulation of exercise-mediated protein degradation in skeletal muscle. Am J Physiol Cell Physiol 2021; 321:C276-C287. [PMID: 34038244 DOI: 10.1152/ajpcell.00115.2021] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Skeletal muscle protein turnover plays a crucial role in controlling muscle mass and protein quality control, including sarcomeric (structural and contractile) proteins. Protein turnover is a dynamic and continual process of protein synthesis and degradation. The ubiquitin proteasome system (UPS) is a key degradative system for protein degradation and protein quality control in skeletal muscle. UPS-mediated protein quality control is known to be impaired in aging and diseases. Exercise is a well-recognized, nonpharmacological approach to promote muscle protein turnover rates. Over the past decades, we have acquired substantial knowledge of molecular mechanisms of muscle protein synthesis after exercise. However, there have been considerable gaps in the mechanisms of how muscle protein degradation is regulated at the molecular level. The main challenge to understand muscle protein degradation is due in part to the lack of solid stable isotope tracer methodology to measure muscle protein degradation rate. Understanding the mechanisms of UPS with the concomitant measurement of protein degradation rate in skeletal muscle will help identify novel therapeutic strategies to ameliorate impaired protein turnover and protein quality control in aging and diseases. Thus, the goal of this present review was to highlight how recent advances in the field may help improve our understanding of exercise-mediated protein degradation. We discuss 1) the emerging roles of protein phosphorylation and ubiquitylation modifications in regulating proteasome-mediated protein degradation after exercise and 2) methodological advances to measure in vivo myofibrillar protein degradation rate using stable isotope tracer methods.
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Affiliation(s)
- Yusuke Nishimura
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Ibrahim Musa
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Lars Holm
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
- MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, United Kingdom
| | - Yu-Chiang Lai
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom
- MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, United Kingdom
- Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, United Kingdom
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Chukwu SC, Rafii MY, Ramlee SI, Ismail SI, Oladosu Y, Muhammad I, Musa I, Ahmed M, Jatto MI, Yusuf BR. Recovery of Recurrent Parent Genome in a Marker-Assisted Backcrossing Against Rice Blast and Blight Infections Using Functional Markers and SSRs. Plants (Basel) 2020; 9:plants9111411. [PMID: 33105815 PMCID: PMC7690635 DOI: 10.3390/plants9111411] [Citation(s) in RCA: 4] [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] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 09/28/2020] [Accepted: 10/20/2020] [Indexed: 05/30/2023]
Abstract
The most vital aspect of marker-assisted backcross breeding is the recurrent parent genome recovery. This enables the selection of only parents with recovered recipient/recurrent parent genome in addition to the targeted genes. The recurrent parent genome recovery (RPGR) ensures that non-desirable genomic segments are removed while the gene of interest is sustained in the recombined progenies without further segregations. This work was aimed at quantifying the RPGR of backcross populations with introgression of bacterial leaf blight resistance genes. Putra-1, a Malaysian elite variety, high yielding with inherent resistance to blast but susceptible to bacterial leaf blight (BLB), was crossed with IRBB60 which is resistant to BLB disease. The IRBB60 has four Xoo resistance genes-Xa4, xa5, xa13 and Xa21. Tightly linked polymorphic functional and SSR markers were used for foreground selection at every stage of backcrossing to select progenies with introgressed target genes. Background selection was done to quantify the percentage of RPGR in the selected lines using 79 confirmed polymorphic microsatellites. Result obtained showed that the percentage of RPGR was 80.11% at BC1F1, 95.30% at BC2F1 and 95.9% at BC2F2. The introgression of Xa4, xa5, xa13 and Xa21 Xoo resistance genes were faster through the adopted marker-assisted backcross breeding compared to what could be obtained through conventional breeding. All the 16 selected lines displayed resistance to BLB with three lines showing high resistance to the disease. The blast resistance contained in the genetic background of Putra-1 was also sustained in all the selected lines. The newly developed lines were recommended as new rice varieties for commercial cultivation.
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Affiliation(s)
- Samuel Chibuike Chukwu
- Laboratory of Climate Smart Food Crop Production, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia; (S.C.C.); (Y.O.); (I.M.); (I.M.); (M.A.); (M.I.J.); (B.R.Y.)
- Department of Crop Production and Landscape Management, Faculty of Agriculture and Natural Resources Management, Ebonyi State University, Abakaliki PMB 053, Nigeria
| | - Mohd Y. Rafii
- Laboratory of Climate Smart Food Crop Production, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia; (S.C.C.); (Y.O.); (I.M.); (I.M.); (M.A.); (M.I.J.); (B.R.Y.)
- Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia;
| | - Shairul Izan Ramlee
- Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia;
| | - Siti Izera Ismail
- Department of Plant Protection, Faculty of Agriculture, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia;
| | - Yusuff Oladosu
- Laboratory of Climate Smart Food Crop Production, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia; (S.C.C.); (Y.O.); (I.M.); (I.M.); (M.A.); (M.I.J.); (B.R.Y.)
| | - Isma’ila Muhammad
- Laboratory of Climate Smart Food Crop Production, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia; (S.C.C.); (Y.O.); (I.M.); (I.M.); (M.A.); (M.I.J.); (B.R.Y.)
| | - Ibrahim Musa
- Laboratory of Climate Smart Food Crop Production, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia; (S.C.C.); (Y.O.); (I.M.); (I.M.); (M.A.); (M.I.J.); (B.R.Y.)
| | - Muideen Ahmed
- Laboratory of Climate Smart Food Crop Production, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia; (S.C.C.); (Y.O.); (I.M.); (I.M.); (M.A.); (M.I.J.); (B.R.Y.)
| | - Muhammed Itopa Jatto
- Laboratory of Climate Smart Food Crop Production, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia; (S.C.C.); (Y.O.); (I.M.); (I.M.); (M.A.); (M.I.J.); (B.R.Y.)
| | - Bashir Rini Yusuf
- Laboratory of Climate Smart Food Crop Production, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia; (S.C.C.); (Y.O.); (I.M.); (I.M.); (M.A.); (M.I.J.); (B.R.Y.)
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Seabright AP, Fine NHF, Barlow JP, Lord SO, Musa I, Gray A, Bryant JA, Banzhaf M, Lavery GG, Hardie DG, Hodson DJ, Philp A, Lai YC. AMPK activation induces mitophagy and promotes mitochondrial fission while activating TBK1 in a PINK1-Parkin independent manner. FASEB J 2020; 34:6284-6301. [PMID: 32201986 PMCID: PMC7212019 DOI: 10.1096/fj.201903051r] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [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: 12/04/2019] [Revised: 02/13/2020] [Accepted: 02/28/2020] [Indexed: 12/14/2022]
Abstract
Mitophagy is a key process regulating mitochondrial quality control. Several mechanisms have been proposed to regulate mitophagy, but these have mostly been studied using stably expressed non‐native proteins in immortalized cell lines. In skeletal muscle, mitophagy and its molecular mechanisms require more thorough investigation. To measure mitophagy directly, we generated a stable skeletal muscle C2C12 cell line, expressing a mitophagy reporter construct (mCherry‐green fluorescence protein‐mtFIS1101-152). Here, we report that both carbonyl cyanide m‐chlorophenyl hydrazone (CCCP) treatment and adenosine monophosphate activated protein kinase (AMPK) activation by 991 promote mitochondrial fission via phosphorylation of MFF and induce mitophagy by ~20%. Upon CCCP treatment, but not 991, ubiquitin phosphorylation, a read‐out of PTEN‐induced kinase 1 (PINK1) activity, and Parkin E3 ligase activity toward CDGSH iron sulfur domain 1 (CISD1) were increased. Although the PINK1‐Parkin signaling pathway is active in response to CCCP treatment, we observed no change in markers of mitochondrial protein content. Interestingly, our data shows that TANK‐binding kinase 1 (TBK1) phosphorylation is increased after both CCCP and 991 treatments, suggesting TBK1 activation to be independent of both PINK1 and Parkin. Finally, we confirmed in non‐muscle cell lines that TBK1 phosphorylation occurs in the absence of PINK1 and is regulated by AMPK‐dependent signaling. Thus, AMPK activation promotes mitophagy by enhancing mitochondrial fission (via MFF phosphorylation) and autophagosomal engulfment (via TBK1 activation) in a PINK1‐Parkin independent manner.
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Affiliation(s)
- Alex P Seabright
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK
| | - Nicholas H F Fine
- Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK
| | - Jonathan P Barlow
- Mitochondrial Profiling Centre, University of Birmingham, Birmingham, UK
| | - Samuel O Lord
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK
| | - Ibrahim Musa
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK
| | - Alexander Gray
- Division of Cell Signalling & Immunology, School of Life Sciences, University of Dundee, Dundee, UK
| | - Jack A Bryant
- Institute of Microbiology and Infection, School of Bioscience, University of Birmingham, Birmingham, UK
| | - Manuel Banzhaf
- Institute of Microbiology and Infection, School of Bioscience, University of Birmingham, Birmingham, UK
| | - Gareth G Lavery
- Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK.,MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
| | - D Grahame Hardie
- Division of Cell Signalling & Immunology, School of Life Sciences, University of Dundee, Dundee, UK
| | - David J Hodson
- Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK.,Centre of Membrane Proteins and Receptors, University of Birmingham, Birmingham, UK
| | - Andrew Philp
- Diabetes & Metabolism Division, Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, UNSW Medicine, UNSW Sydney, Sydney, New South Wales, Australia
| | - Yu-Chiang Lai
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK.,Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK.,Mitochondrial Profiling Centre, University of Birmingham, Birmingham, UK.,MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
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Nafiu A, Alimi S, Babalola A, Ogunlade A, Muhammad F, ABIOYE ABDUR, oluwafuyi A, Oyewole L, Akinola O, Olayemi J, Amin A, Abdulmajeed W, Musa I, Rahman M. Anti-androgenic and insulin-sensitizing actions of Nigella sativa oil improve polycystic ovary and associated dyslipidemia and redox disturbances. J Complement Med Res 2019. [DOI: 10.5455/jcmr.20190613045154] [Citation(s) in RCA: 4] [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: 11/03/2022]
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Yang E, Park HW, Choi YH, Kim J, Munkhdalai L, Musa I, Ryu KH. A Simulation-Based Study on the Comparison of Statistical and Time Series Forecasting Methods for Early Detection of Infectious Disease Outbreaks. Int J Environ Res Public Health 2018; 15:E966. [PMID: 29751672 PMCID: PMC5982005 DOI: 10.3390/ijerph15050966] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [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: 03/01/2018] [Revised: 05/04/2018] [Accepted: 05/09/2018] [Indexed: 11/21/2022]
Abstract
Early detection of infectious disease outbreaks is one of the important and significant issues in syndromic surveillance systems. It helps to provide a rapid epidemiological response and reduce morbidity and mortality. In order to upgrade the current system at the Korea Centers for Disease Control and Prevention (KCDC), a comparative study of state-of-the-art techniques is required. We compared four different temporal outbreak detection algorithms: the CUmulative SUM (CUSUM), the Early Aberration Reporting System (EARS), the autoregressive integrated moving average (ARIMA), and the Holt-Winters algorithm. The comparison was performed based on not only 42 different time series generated taking into account trends, seasonality, and randomly occurring outbreaks, but also real-world daily and weekly data related to diarrhea infection. The algorithms were evaluated using different metrics. These were namely, sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), F1 score, symmetric mean absolute percent error (sMAPE), root-mean-square error (RMSE), and mean absolute deviation (MAD). Although the comparison results showed better performance for the EARS C3 method with respect to the other algorithms, despite the characteristics of the underlying time series data, Holt⁻Winters showed better performance when the baseline frequency and the dispersion parameter values were both less than 1.5 and 2, respectively.
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Affiliation(s)
- Eunjoo Yang
- Emergency Operations Center, Centers for Disease Control and Prevention, Cheongju 28644, Korea.
| | - Hyun Woo Park
- College of Electrical and Computer Engineering, Chungbuk National University, Cheongju 28644, Korea.
| | - Yeon Hwa Choi
- Emergency Operations Center, Centers for Disease Control and Prevention, Cheongju 28644, Korea.
| | - Jusim Kim
- Emergency Operations Center, Centers for Disease Control and Prevention, Cheongju 28644, Korea.
| | - Lkhagvadorj Munkhdalai
- College of Electrical and Computer Engineering, Chungbuk National University, Cheongju 28644, Korea.
| | - Ibrahim Musa
- College of Electrical and Computer Engineering, Chungbuk National University, Cheongju 28644, Korea.
| | - Keun Ho Ryu
- College of Electrical and Computer Engineering, Chungbuk National University, Cheongju 28644, Korea.
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Musa I, Khaza’ai H, Abdul Mutalib MS, Yusuf F, Sanusi J, Chang SK. Effects of oil palm tocotrienol rich fraction on the viability and morphology of astrocytes injured with glutamate. FOOD BIOSCI 2017. [DOI: 10.1016/j.fbio.2017.10.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Owolabi LF, Ibrahim A, Musa I. Infratentorial posterior circulation stroke in a Nigerian population: Clinical characteristics, risk factors, and predictors of outcome. J Neurosci Rural Pract 2016; 7:72-6. [PMID: 26933349 PMCID: PMC4750346 DOI: 10.4103/0976-3147.165427] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Background: Posterior circulation stroke (PCS), though less common, differs from stroke in anterior circulation in many aspects. Relatively, it portends a poorer prognosis. However, there is a paucity of data from African countries, in particular, where stroke is a menace. Objective: The study aimed to evaluate the etiology, clinical characteristics, outcome, and predictors of outcome in a cohort of patients with IPCS in Northwestern Nigeria. Materials and Methods: Out of 595 patients with stroke, we prospectively analyzed 57 patients with PCS in a Tertiary Care Center in Kano, Northwestern Nigeria. Patients were analyzed for demographic data, risk factors, clinical characteristics, stroke subtypes, mortality, and predictors of mortality. Results: Posterior circulation ischemic stroke accounted for 57 (9.6%) of 595 of all strokes seen in the study period. They comprised 44 males (mean age 47.8 ± 17.7) and 13 females (mean age 46.3 ± 13.7). Overall, their age ranged between 24 and 90 (mean age 47.4 ± 16.7). However, 52.7% of the patients were < 45 years of age. The most common site affected was the cerebellum seen in 33 (57.9%) patients. Hypertension was the most common risk factor (86%). Headache and vertigo were the most common features accounting for 83.6% and 86.3%, respectively. Thirty-eight (66.7%) patients had an ischemic stroke. Twenty-one (36.8%) of the patients died during the 1-month period of follow-up. Independent predictors of death in the study were hyperglycemia on admission and hemorrhagic stroke. Conclusions: IPCS occurred in a relatively younger age group. Headache and vertigo were the most common symptoms. The independent predictors of death in the study were hyperglycemia at presentation and hemorrhagic stroke.
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Affiliation(s)
- Lukman Femi Owolabi
- Department of Medicine, Neurology Unit, Aminu Kano Teaching Hospital, Bayero University Kano, Kano, Nigeria
| | - Aliyu Ibrahim
- Department of Medicine, Neurology Unit, Aminu Kano Teaching Hospital, Bayero University Kano, Kano, Nigeria
| | - Ibrahim Musa
- Department of Surgery, Murtala Muhammad Specialist Hospital, Kano, Nigeria
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Musa I, Seymour J, Wada T, Narayanasamy M, Conroy S. 50 * A SURVEY OF OLDER PEOPLES' ATTITUDES TOWARDS ADVANCE CARE PLANNING. Age Ageing 2015. [DOI: 10.1093/ageing/afv033] [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: 11/13/2022] Open
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Kandil E, Mohamed SE, Deniwar A, Mohamed H, Friedlander P, Aslam R, Saeed A, Musa I, Randolph G. Electrophysiologic identification and monitoring of the external branch of superior laryngeal nerve during thyroidectomy. Laryngoscope 2015; 125:1996-2000. [DOI: 10.1002/lary.25139] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Revised: 11/23/2014] [Accepted: 12/10/2014] [Indexed: 11/10/2022]
Affiliation(s)
- Emad Kandil
- Division of Endocrine and Oncologic Surgery; Department of Surgery; Tulane University School of Medicine; New Orleans Louisiana U.S.A
| | - Salah Eldin Mohamed
- Division of Endocrine and Oncologic Surgery; Department of Surgery; Tulane University School of Medicine; New Orleans Louisiana U.S.A
| | - Ahmed Deniwar
- Division of Endocrine and Oncologic Surgery; Department of Surgery; Tulane University School of Medicine; New Orleans Louisiana U.S.A
| | - Hossam Mohamed
- Division of Endocrine and Oncologic Surgery; Department of Surgery; Tulane University School of Medicine; New Orleans Louisiana U.S.A
| | - Paul Friedlander
- Division of Endocrine and Oncologic Surgery; Department of Otolaryngology Surgery; Tulane University School of Medicine; New Orleans Louisiana U.S.A
| | - Rizwan Aslam
- Division of Endocrine and Oncologic Surgery; Department of Otolaryngology Surgery; Tulane University School of Medicine; New Orleans Louisiana U.S.A
| | - Ahmad Saeed
- Division of Endocrine and Oncologic Surgery; Department of Surgery; Tulane University School of Medicine; New Orleans Louisiana U.S.A
| | - Ibrahim Musa
- Division of Endocrine and Oncologic Surgery; Department of Surgery; Tulane University School of Medicine; New Orleans Louisiana U.S.A
| | - Gregory Randolph
- Massachusetts General Hospital; Division of Surgical Oncology; Endocrine Surgical Service, Harvard Medical School; Cambridge Massachusetts U.S.A
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Musa I, Khaza'ai H, Abd mutalib MS. Palm Oil Tocotrienols and Its Potential Against Alzheimer’s disease and Brain Ischemia. Int J of Biomed & Adv Res 2012; 3. [DOI: 10.7439/ijbar.v3i9.741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Musa I, Lawal S, Yunusa K, Abdu P. Common Causes of Traumatic Ventriculitis in Free range and Intensively Managed Poultry in Zaria, Nigeria. Vet World 2011. [DOI: 10.5455/vetworld.2011.511-514] [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: 11/03/2022] Open
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Oyewale AO, Musa I. Pollution assessment of the lower basin of Lakes Kainji/Jebba, Nigeria: heavy metal status of the waters, sediments and fishes. Environ Geochem Health 2006; 28:273-81. [PMID: 16767565 DOI: 10.1007/s10653-006-9043-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2004] [Accepted: 02/10/2006] [Indexed: 05/10/2023]
Abstract
The objective of this investigation was to examine the heavy metal status of the lower basin of Kainji dam (used for hydroelectricity generation), which includes Lakes Kainji/Jebba, Nigeria, and the potential for human exposure to heavy metals from eating fish caught in the lakes. Water, sediments and fish were sampled from the lakes and evaluated for As, Cu, Co, Cr, Fe, Hg, Mn, Ni, Pb, Sb, Ti, V and Zn using the EDXRF technique. Fe and Mn were found to be present at high mean concentrations in the water (13 and 9 microg L(-1)), sediment (7,092 and 376 microg g(-1)) and fish (11.4 and 4.6 microg g(-1)) samples. Sb (3.2 microg L(-1)), Ti (4.1 mug L(-1)), Cr (2.2 microg L(-1)), Co (1.2 microg L(-1)), Cu (1.3 microg L(-1)) and Pb (1.2 microg L(-1)) in the water samples and Sb (29 microg g(-1)), Ti (27 microg g(-1)), V (27 microg g(-1)), Cr (27 microg g(-1)), Co (40 microg g(-1)), Ni (33 microg g(-1)), Cu (25 microg g(-1)), Zn (59 microg g(-1)) and Pb (19 microg g(-1)) in the sediment samples were found to be of medium mean concentrations. The other metals were present at trace levels (<1 microg), including As and Hg in the fish and sediment samples. There was an appreciable increase in metal concentrations in going from the water to the sediment samples. The probable source of the pollutants is anthropogenic, arising from agricultural activities, corrosion/abrasion of the ferrous steel material and additives in the lubricants and insulation used for auxiliary services on the turbine floor of the dam constructed on the lakes. However, natural geological sourcing from the underlying lake rock cannot be totally ignored, particularly the high levels of Fe and Mn in the sediment samples. The potential risk for human exposure to these metals emanates from the fish caught in the lakes and subsequently consumed, as there are already significant levels of these metals in the two fish species analysed, Tilapia (Oreochromis niloticus) and Chrysicthys (Chrysicthys auratus).
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Affiliation(s)
- A O Oyewale
- Department of Chemistry, Ahmadu Bello University, Zaria, Nigeria.
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