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2. Novel functional insights into ischemic stroke biology provided by the first genome-wide association study of stroke in indigenous Africans

Author

Akinyemi, Rufus O., Tiwari, Hemant K., Srinivasasainagendra, Vinodh, Akpa, Onoja, Sarfo, Fred S., Akpalu, Albert, Wahab, Kolawole, Obiako, Reginald, Komolafe, Morenikeji, Owolabi, Lukman, Osaigbovo, Godwin O., Mamaeva, Olga A., Halloran, Brian A., Akinyemi, Joshua, Lackland, Daniel, Obiabo, Olugbo Y., Sunmonu, Taofik, Chukwuonye, Innocent I., Arulogun, Oyedunni, Jenkins, Carolyn, Adeoye, Abiodun, Agunloye, Atinuke, Ogah, Okechukwu S., Ogbole, Godwin, Fakunle, Adekunle, Uvere, Ezinne, Coker, Motunrayo M., Okekunle, Akinkunmi, Asowata, Osahon, Diala, Samuel, Ogunronbi, Mayowa, Adeleye, Osi, Laryea, Ruth, Tagge, Raelle, Adeniyi, Sunday, Adusei, Nathaniel, Oguike, Wisdom, Olowoyo, Paul, Adebajo, Olayinka, Olalere, Abimbola, Oladele, Olayinka, Yaria, Joseph, Fawale, Bimbo, Ibinaye, Philip, Oyinloye, Olalekan, Mensah, Yaw, Oladimeji, Omotola, Akpalu, Josephine, Calys-Tagoe, Benedict, Dambatta, Hamisu A., Ogunniyi, Adesola, Kalaria, Rajesh, Arnett, Donna, Rotimi, Charles, Ovbiagele, Bruce, and Owolabi, Mayowa O.

Published
2024
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3. ABO and Rhesus blood group variability and their associations with clinical malaria presentations

Author

Enoch Aninagyei, Pearl Sedinam Agbenowoshie, Praise Mawuena Akpalu, Selina Blefono Asiewe, Regina Yayra Menu, Fred Gbadago, and Richard Harry Asmah

Subjects
Severe malarial anaemia, Uncomplicated malaria, WHO malaria classification, ABO blood groups, Rhesus types, Ghana, Arctic medicine. Tropical medicine, RC955-962, Infectious and parasitic diseases, RC109-216
Abstract

Abstract Background Plasmodium falciparum infection is associated with the human ABO blood group. However, there is a paucity of data on the role that ABO and Rhesus blood groups play in malaria clinical presentations. Therefore, the objective of this study was to assess the association of human ABO blood groups and the Rhesus blood (Rh) types with the severity of malaria. Methods This cross-sectional study was carried out at the Suhum Government Hospital in the Eastern region of Ghana. Conveniently, study participants with malaria, diagnosed by microscopy, were selected into the study. Subsequently, their ABO and Rh blood groups were determined (Accucare ABO/Rh monoclonal antibodies, Chennai, India). Malaria severity was assessed using the criteria for assessing severe malarial anaemia published by the World Health Organization. According to the criteria, severe malarial anaemia was classified as having haemoglobin (Hb) 10,000/µL in both cases. Severe malarial anaemia was also classified as having plasma bilirubin > 50 µmol/L with parasitaemia ≥ 100,000/µL, for all ages. Chi square statistical analysis was used to test the association between the blood groups and the clinical or laboratory findings, while multivariate analysis was performed to identify which blood groups were more vulnerable to develop severe malarial anaemia. Results Of the total number of the study participants (n = 328), most of the patients had blood group O Rh positive (35.7%) while few of them had blood group AB Rh negative (2.1%). The types of Rhesus did not associate with malaria. However, compared to blood group O, the odds of developing severe malarial anaemia, in children 50 µmol/L with parasitaemia ≥ 100,000 /µL was 10 times higher among patients with blood groups A and 2.6 times higher in patients with blood group B, compared to blood group O. Finally, in patients with blood group A majority (71.6%) of them developed high temperature (> 37.5 °C) while 43.3% of them vomited and had diarrhoea. However, pallor (group B = 46.2% vs group A = 37.3%), fever (group B = 84.6% vs group A = 79.1%) and nausea (group B = 46.2% vs group A = 25.4%) were more frequent in patients with blood group B than A. Conclusions This study found that people with blood groups A and B were severely affected by malaria, with group A being the most vulnerable. It is recommended that blood group assessment be performed for all patients with malaria. Patients found to have blood group A or B must be promptly and efficiently managed to avoid the development of severe malaria anaemia.

Published
2024
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6. Prevalence of high-risk human papillomavirus infection among women with diabetes mellitus in Accra, Ghana

Author

Yacoba Atiase, Kofi Effah, Comfort Mawusi Wormenor, Ethel Tekpor, Esu Aku Catherine Morkli, Eunice Boafo, Ernest Yorke, Robert Aryee, Nana Owusu Mensah Essel, Stephen Danyo, Seyram Kemawor, and Josephine Akpalu

Subjects
Diabetes mellitus, Human papillomavirus infection, Cervical precancer screening, Human papillomavirus DNA testing, Visual inspection with acetic acid, Gynecology and obstetrics, RG1-991, Public aspects of medicine, RA1-1270
Abstract

Abstract Background There is increasing evidence of a higher risk and poorer prognosis of cervical cancer among women with diabetes mellitus (DM) compared to the general population. These are mediated by higher susceptibility to persistent high-risk human papillomavirus (hr-HPV) infection due to dysfunctional clearance in an immunocompromised state. We aimed to determine the prevalence of hr-HPV infection and cervical lesions in a cohort of women with DM in Ghana. We further disaggregated the prevalence according to DM type and explored factors associated with hr-HPV infection. Methods This retrospective descriptive cross-sectional study assessed 198 women with DM who underwent cervical screening via concurrent hr-HPV DNA testing and visual inspection with acetic acid in an outpatient department of the National Diabetes Management and Research Centre in Korle-Bu Teaching Hospital, Accra from March to May 2022. Univariate and multivariable binary logistic regression were used to explore factors associated with hr-HPV positivity. Results Among 198 women with DM (mean age, 60.2 ± 12.1 years), the overall hr-HPV prevalence rate was 21.7% (95% CI, 16.1–28.1), disaggregated as 1.5% (95% CI, 0.3–4.4) each for HPV16 and HPV18 and 20.7% (95% CI, 15.3–27.0) for other HPV genotype(s). Respective hr-HPV prevalence rates were 37.5% (95% CI, 15.2–64.6) for type 1 DM, 19.8% (95% CI, 13.9–26.7) for type 2 DM, and 25.0% (95% CI, 8.7–49.1) for unspecified/other DM types. Past use of the combined contraceptive pill independently increased the risk of hr-HPV infection by approximately three times (adjusted odds ratio [aOR] = 2.98; 95% CI, 1.03 − 8.64; p-value = 0.045), whereas each unit increase in FBG level increased the odds of hr-HPV infection by about 15% (aOR = 1.15; 95% CI, 1.02 − 1.30; p-value = 0.021). Conclusion Our study points to a high prevalence of hr-HPV among women with DM and highlights a need for glycemic control among them as this could contribute to lowering their odds of hr-HPV infection. The low overall rates of HPV vaccination and prior screening also indicate a need to build capacity and expand the scope of education and services offered to women with DM as regards cervical precancer screening.

Published
2024
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7. Novel functional insights into ischemic stroke biology provided by the first genome-wide association study of stroke in indigenous Africans

Author

Rufus O. Akinyemi, Hemant K. Tiwari, Vinodh Srinivasasainagendra, Onoja Akpa, Fred S. Sarfo, Albert Akpalu, Kolawole Wahab, Reginald Obiako, Morenikeji Komolafe, Lukman Owolabi, Godwin O. Osaigbovo, Olga A. Mamaeva, Brian A. Halloran, Joshua Akinyemi, Daniel Lackland, Olugbo Y. Obiabo, Taofik Sunmonu, Innocent I. Chukwuonye, Oyedunni Arulogun, Carolyn Jenkins, Abiodun Adeoye, Atinuke Agunloye, Okechukwu S. Ogah, Godwin Ogbole, Adekunle Fakunle, Ezinne Uvere, Motunrayo M. Coker, Akinkunmi Okekunle, Osahon Asowata, Samuel Diala, Mayowa Ogunronbi, Osi Adeleye, Ruth Laryea, Raelle Tagge, Sunday Adeniyi, Nathaniel Adusei, Wisdom Oguike, Paul Olowoyo, Olayinka Adebajo, Abimbola Olalere, Olayinka Oladele, Joseph Yaria, Bimbo Fawale, Philip Ibinaye, Olalekan Oyinloye, Yaw Mensah, Omotola Oladimeji, Josephine Akpalu, Benedict Calys-Tagoe, Hamisu A. Dambatta, Adesola Ogunniyi, Rajesh Kalaria, Donna Arnett, Charles Rotimi, Bruce Ovbiagele, Mayowa O. Owolabi, and for the SIREN Team

Subjects
Stroke, Genomics, GWAS, African ancestry, Ischemic stroke, SNP, miRNA, Medicine, Genetics, QH426-470
Abstract

Abstract Background African ancestry populations have the highest burden of stroke worldwide, yet the genetic basis of stroke in these populations is obscure. The Stroke Investigative Research and Educational Network (SIREN) is a multicenter study involving 16 sites in West Africa. We conducted the first-ever genome-wide association study (GWAS) of stroke in indigenous Africans. Methods Cases were consecutively recruited consenting adults (aged > 18 years) with neuroimaging-confirmed ischemic stroke. Stroke-free controls were ascertained using a locally validated Questionnaire for Verifying Stroke-Free Status. DNA genotyping with the H3Africa array was performed, and following initial quality control, GWAS datasets were imputed into the NIH Trans-Omics for Precision Medicine (TOPMed) release2 from BioData Catalyst. Furthermore, we performed fine-mapping, trans-ethnic meta-analysis, and in silico functional characterization to identify likely causal variants with a functional interpretation. Results We observed genome-wide significant (P-value < 5.0E−8) SNPs associations near AADACL2 and miRNA (MIR5186) genes in chromosome 3 after adjusting for hypertension, diabetes, dyslipidemia, and cardiac status in the base model as covariates. SNPs near the miRNA (MIR4458) gene in chromosome 5 were also associated with stroke (P-value < 1.0E−6). The putative genes near AADACL2, MIR5186, and MIR4458 genes were protective and novel. SNPs associations with stroke in chromosome 2 were more than 77 kb from the closest gene LINC01854 and SNPs in chromosome 7 were more than 116 kb to the closest gene LINC01446 (P-value < 1.0E−6). In addition, we observed SNPs in genes STXBP5-AS1 (chromosome 6), GALTN9 (chromosome 12), FANCA (chromosome 16), and DLGAP1 (chromosome 18) (P-value < 1.0E−6). Both genomic regions near genes AADACL2 and MIR4458 remained significant following fine mapping. Conclusions Our findings identify potential roles of regulatory miRNA, intergenic non-coding DNA, and intronic non-coding RNA in the biology of ischemic stroke. These findings reveal new molecular targets that promise to help close the current gaps in accurate African ancestry-based genetic stroke’s risk prediction and development of new targeted interventions to prevent or treat stroke.

Published
2024
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8. Clinical and neuroimaging factors associated with 30-day fatality among indigenous West Africans with spontaneous intracerebral hemorrhage

Author

Komolafe, Morenikeji A., Sunmonu, Taofiki, Akinyemi, Joshua, Sarfo, Fred S., Akpalu, Albert, Wahab, Kolawole, Obiako, Reginald, Owolabi, Lukman, Osaigbovo, Godwin O., Ogbole, Godwin, Tiwari, Hemant K., Jenkins, Carolyn, Lackland, Daniel T., Fakunle, Adekunle G., Uvere, Ezinne, Akpa, Onoja, Dambatta, Hamisu A., Akpalu, Josephine, Onasanya, Akinola, Olaleye, Adeniji, Ogah, Okechukwu S., Isah, Sulaiman Y., Fawale, Micheal B., Adebowale, Akintunde, Okekunle, Akinkunmi P., Arnett, Donna, Adeoye, Abiodun M., Agunloye, Atinuke M., Bello, Abiodun H., Aderibigbe, Adeniyi S., Idowu, Ahmed O., Sanusi, Ahmad A., Ogunmodede, Adebimpe, Balogun, Simon A., Egberongbe, Adedeji A., Rotimi, Folorunso T., Fredrick, Adeyemi, Akinnuoye, Andrew O., Adeniyi, Folu A., Calys-Tagoe, Benedict, Adebayo, Philip, Arulogun, Oyedunni, Agbogu-Ike, Obiageli U., Yaria, Joseph, Appiah, Lambert, Ibinaiye, Philip, Singh, Arti, Adeniyi, Sunday, Olalusi, Oladotun, Mande, Aliyu, Balogun, Olayemi, Akinyemi, Rufus, Ovbiagele, Bruce, and Owolabi, Mayowa

Published
2024
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10. Prevalence of all epilepsies in urban informal settlements in Nairobi, Kenya: a two-stage population-based study

Author

Adjei, Patrick, Akpalu, Albert, Asiamah, Sabina, Asiki, Gershim, Atieno, Mercy, Bhwana, Dan, Bitta, Mary, Chowdhary, Neerja, Cross, Hellen, Darkwa, Emmanuel K., Denison, Timothy, Dua, Tarun, Godi, Antony, Grassi, Simone, Iddi, Samuel, Abankwah, Daniel Nana Yaw, Kariuki, Symon M., Kinuthia, Joan W., Kimambo, Henrika, Kwasa, Thomas, Mahone, Sloan, Manolova, Gergana, Matuja, William, McDaid, David, Mmbando, Bruno, Mwanga, Daniel Mtai, Kadengye, Damazo T., Muli, Dorcas, Wekesah, Frederick M, Mushi, Vivian, Newton, Charles R., Pages, Guillaume, Otieno, Peter O., Sander, Josemir W., Sen, Arjune, Sottie, Cynthia, Massawe, Isolide, Vallentin, Sonia, Walker, Richard, Waruinge, Stella, Mwanga, Daniel M, Kadengye, Damazo T, Otieno, Peter O, Kipchirchir, Isaac C, Muhua, George O, Kinuthia, Joan W, Machuka, Abigael, Mongare, Quincy, Davis Jones, Gabriel, Sander, Josemir W, Kariuki, Symon M, and Newton, Charles R

Published
2024
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12. Transforming Parkinson's Care in Africa (TraPCAf): protocol for a multimethodology National Institute for Health and Care Research Global Health Research Group project

Author

R. Walker, N. Fothergill-Misbah, S. Kariuki, O. Ojo, R. Cilia, M. C. J. Dekker, O. Agabi, A. Akpalu, F. Amod, M. Breckons, M. Cham, S. Del Din, C. Dotchin, S. Guggsa, J. Kwasa, D. Mushi, F. O. Nwaokorie, T. Park, L. Rochester, J. Rogathi, F. S. Sarfo, A. Shalash, L. Ternent, S. Urasa, and N. Okubadejo

Subjects
Parkinson’s disease, Africa, Diagnosis, Treatment, Epidemiology, Microbiome, Neurology. Diseases of the nervous system, RC346-429
Abstract

Abstract Background Parkinson’s disease (PD) is the second most common neurodegenerative disorder and, according to the Global Burden of Disease estimates in 2015, was the fastest growing neurological disorder globally with respect to associated prevalence, disability, and deaths. Information regarding the awareness, diagnosis, phenotypic characteristics, epidemiology, prevalence, risk factors, treatment, economic impact and lived experiences of people with PD from the African perspective is relatively sparse in contrast to the developed world, and much remains to be learned from, and about, the continent. Methods Transforming Parkinson’s Care in Africa (TraPCAf) is a multi-faceted, mixed-methods, multi-national research grant. The study design includes multiple sub-studies, combining observational (qualitative and quantitative) approaches for the epidemiological, clinical, risk factor and lived experience components, as appropriate, and interventional methods (clinical trial component). The aim of TraPCAf is to describe and gain a better understanding of the current situation of PD in Africa. The countries included in this National Institute for Health and Care Research (NIHR) Global Health Research Group (Egypt, Ethiopia, Ghana, Kenya, Nigeria, South Africa and Tanzania) represent diverse African geographies and genetic profiles, with differing resources, healthcare systems, health and social protection schemes, and policies. The research team is composed of experts in the field with vast experience in PD, jointly led by a UK-based and Africa-based investigator. Discussion Despite the increasing prevalence of PD globally, robust data on the disease from Africa are lacking. Existing data point towards the poor awareness of PD and other neurological disorders on the continent and subsequent challenges with stigma, and limited access to affordable services and medication. This multi-site study will be the first of its kind in Africa. The data collected across the proposed sub-studies will provide novel and conclusive insights into the situation of PD. The selected country sites will allow for useful comparisons and make results relevant to other low- and middle-income countries. This grant is timely, as global recognition of PD and the public health challenge it poses builds. The work will contribute to broader initiatives, including the World Health Organization’s Intersectoral global action plan on epilepsy and other neurological disorders. Trial registration https://doi.org/10.1186/ISRCTN77014546 .

Published
2023
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13. Dementia in Africa: Current evidence, knowledge gaps, and future directions

Author

Akinyemi, Rufus O, Yaria, Joseph, Ojagbemi, Akin, Guerchet, Maëlenn, Okubadejo, Njideka, Njamnshi, Alfred K, Sarfo, Fred S, Akpalu, Albert, Ogbole, Godwin, Ayantayo, Temitayo, Adokonou, Thierry, Paddick, Stella‐Maria, Ndetei, David, Bosche, Judith, Ayele, Biniyam, Damas, Andrea, Coker, Motunrayo, Mbakile‐Mahlanza, Lingani, Ranchod, Kirti, Bobrow, Kirsten, Anazodo, Udunna, Damasceno, Albertino, Seshadri, Sudha, Pericak‐Vance, Margaret, Lawlor, Brian, Miller, Bruce L, Owolabi, Mayowa, Baiyewu, Olusegun, Walker, Richard, Gureje, Oye, Kalaria, Rajesh N, Ogunniyi, Adesola, and Consortium, the African Dementia

Subjects
Biomedical and Clinical Sciences, Neurosciences, Clinical Sciences, Clinical Research, Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD), Acquired Cognitive Impairment, Alzheimer's Disease, Genetics, Aging, Brain Disorders, Dementia, Neurodegenerative, Neurological, Good Health and Well Being, Aged, Alzheimer Disease, Apolipoprotein E4, Dementia, Vascular, Genome-Wide Association Study, Genotype, Humans, Africa, Alzheimer's disease, consortium, dementia, epidemiology, genetics, neuropathology, biomarkers, precision medicine, vascular dementia, African Dementia Consortium, neuropathology. biomarkers, Geriatrics, Clinical sciences, Biological psychology
Abstract

In tandem with the ever-increasing aging population in low and middle-income countries, the burden of dementia is rising on the African continent. Dementia prevalence varies from 2.3% to 20.0% and incidence rates are 13.3 per 1000 person-years with increasing mortality in parts of rapidly transforming Africa. Differences in nutrition, cardiovascular factors, comorbidities, infections, mortality, and detection likely contribute to lower incidence. Alzheimer's disease, vascular dementia, and human immunodeficiency virus/acquired immunodeficiency syndrome-associated neurocognitive disorders are the most common dementia subtypes. Comprehensive longitudinal studies with robust methodology and regional coverage would provide more reliable information. The apolipoprotein E (APOE) ε4 allele is most studied but has shown differential effects within African ancestry compared to Caucasian. More candidate gene and genome-wide association studies are needed to relate to dementia phenotypes. Validated culture-sensitive cognitive tools not influenced by education and language differences are critically needed for implementation across multidisciplinary groupings such as the proposed African Dementia Consortium.

Published
2022

14. A measles and rubella vaccine microneedle patch in The Gambia: a phase 1/2, double-blind, double-dummy, randomised, active-controlled, age de-escalation trial

Author

Adigweme, Ikechukwu, Yisa, Mohammed, Ooko, Michael, Akpalu, Edem, Bruce, Andrew, Donkor, Simon, Jarju, Lamin B, Danso, Baba, Mendy, Anthony, Jeffries, David, Segonds-Pichon, Anne, Njie, Abdoulie, Crooke, Stephen, El-Badry, Elina, Johnstone, Hilary, Royals, Michael, Goodson, James L, Prausnitz, Mark R, McAllister, Devin V, Rota, Paul A, Henry, Sebastien, and Clarke, Ed

Published
2024
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15. Stroke occurrence by hypertension treatment status in Ghana and Nigeria: A case-control study

Author

Sarfo, Fred Stephen, Asowata, Osahon Jeffery, Akpa, Onoja Matthew, Akinyemi, Joshua, Wahab, Kolawole, Singh, Arti, Akpalu, Albert, Opare-Addo, Priscilla Abrafi, Okekunle, Akinkunmi Paul, Ogbole, Godwin, Fakunle, Adekunle, Adebayo, Oladimeji, Obiako, Reginald, Akisanya, Cynthia, Komolafe, Morenkeji, Olunuga, Taiwo, Chukwuonye, Innocent I., Osaigbovo, Godwin, Olowoyo, Paul, Adebayo, Phillip B., Jenkins, Carolyn, Bello, Abiodun, Laryea, Ruth, Ibinaye, Phillip, Olalusi, Olatundun, Adeniyi, Sunday, Arulogun, Oyedunni, Ogah, Okechukwu, Adeoye, Abiodun, Samuel, Dialla, Calys-Tagoe, Benedit, Tiwari, Hemant, Obiageli, Onyemelukwe, Mensah, Yaw, Appiah, Lambert, Akinyemi, Rufus, Ovbiagele, Bruce, and Owolabi, Mayowa

Published
2024
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16. Transforming Parkinson's Care in Africa (TraPCAf): protocol for a multimethodology National Institute for Health and Care Research Global Health Research Group project

Author

Walker, R., Fothergill-Misbah, N., Kariuki, S., Ojo, O., Cilia, R., Dekker, M. C. J., Agabi, O., Akpalu, A., Amod, F., Breckons, M., Cham, M., Del Din, S., Dotchin, C., Guggsa, S., Kwasa, J., Mushi, D., Nwaokorie, F. O., Park, T., Rochester, L., Rogathi, J., Sarfo, F. S., Shalash, A., Ternent, L., Urasa, S., and Okubadejo, N.

Published
2023
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17. A national audit of facilities, human and material resources for the comprehensive management of diabetes in Ghana-A 2023 update.

Author

Ernest Yorke, Josephine Akpalu, Gwendolyn de-Graft Johnson, Yacoba Atiase, Margaret Reynolds, Ruth Laryea, John Tetteh, Alfred E Yawson, and Albert G B Amoah

Subjects
Medicine, Science
Abstract

IntroductionThe human and material resources as well as the systems for managing diabetes in Africa are inadequate. This study or needs assessment, aimed at updating the human and material resources, identifying the gaps and unmet needs for comprehensive diabetes care in Ghana.MethodsWe conducted a national audit of 122 facilities in all 16 administrative regions of Ghana. Information obtained covered areas on personnel and multidisciplinary teams, access to medications, access to laboratory services, financing, screening services, management of diabetes complications, and availability/use of diabetes guidelines or protocols. Data was analysed using STATA version 16.1. P-values ResultsOnly 85(69.7%) out of the 122 surveyed facilities had a dedicated centre or service for diabetes care. Twenty-eight (23%) had trained diabetes doctors/specialists; and whilst most centres had ophthalmic nurses and dieticians, majority of them did not have trained diabetes educators (nurses), psychologists, ophthalmologists, podiatrists, and foot/vascular surgeons. Also, 13.9% had monofilaments, none could perform urine dipstick for microalbumin; 5 (4.1%) and just over 50% could perform laboratory microalbumin estimation and glycated haemoglobin, respectively. Access to and supply of human insulins was better than analogue insulin in most centres. Nearly 100% of the institutions surveyed had access to metformin and sulphonylurea with good to excellent supply in most cases, whilst access to Sodium Glucose Transporter-2 inhibitors and Glucagon-like peptide-1 analogues were low, and moderate for Dipeptidyl peptidase-4 inhibitors and thiazolidinediones. Majority of the health facilities (95.1%) offered NHIS as payment mechanism for clients, whilst 68.0% and 30.3% of the patients paid for services using out-of-pocket and private insurance respectively. Fifteen facilities (12.3%) had Diabetes Support Groups in their locality and catchment areas.ConclusionAn urgent multisectoral collaboration, including prioritisation of resources at the facility level, to promote and achieve acceptable comprehensive diabetes care is required.

Published
2024
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18. Patient-level and system-level determinants of stroke fatality across 16 large hospitals in Ghana and Nigeria: a prospective cohort study

Author

Sarfo, Fred S, Akpa, Onoja M, Ovbiagele, Bruce, Akpalu, Albert, Wahab, Kolawole, Obiako, Reginald, Komolafe, Morenikeji, Owolabi, Lukman, Ogbole, Godwin, Fakunle, Adekunle, Okekunle, Akinkunmi Paul, Asowata, Osahon J, Calys-Tagoe, Benedict, Uvere, Ezinne O, Sanni, Taofeek, Olowookere, Samuel, Ibinaiye, Philip, Akinyemi, Joshua O, Arulogun, Oyedunni, Jenkins, Carolyn, Lackland, Daniel T, Tiwari, Hemant K, Isah, Suleiman Y, Abubakar, Sani A, Oladimeji, Adebayo, Adebayo, Philip, Akpalu, Josephine, Onyeonoro, Ugochukwu, Ogunmodede, James A, Akisanya, Cynthia, Mensah, Yaw, Oyinloye, Olalekan I, Appiah, Lambert, Agunloye, Atinuke M, Osaigbovo, Godwin O, Adeoye, Abiodun M, Adeleye, Osimhiarherhuo Ohifemen, Laryea, Ruth Y, Olunuga, Taiwo, Ogah, Okechukwu S, Oguike, Wisdom, Ogunronbi, Mayowa, Adeniyi, Wasiu, Olugbo, Obiabo Y, Bello, Abiodun H, Ogunjimi, Luqman, Diala, Samuel, Dambatta, Hamisu A, Singh, Arti, Adamu, Sheila, Obese, Vida, Adusei, Nathaniel, Owusu, Dorcas, Ampofo, Michael, Tagge, Raelle, Fawale, Bimbo, Yaria, Joseph, Akinyemi, Rufus O, and Owolabi, Mayowa O

Published
2023
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19. Ocean Finance: Financing the Transition to a Sustainable Ocean Economy

Author

Sumaila, U. Rashid, Walsh, Melissa, Hoareau, Kelly, Cox, Anthony, Abdallah, Patrízia, Akpalu, Wisdom, Anna, Zuzy, Benzaken, Dominique, Crona, Beatrice, Fitzgerald, Timothy, Heaps, Louise, Karousakis, Katia, Lange, Glenn-Marie, Leland, Amanda, Miller, Dana, Sack, Karen, Shahnaz, Durreen, Teh, Louise, Thiele, Torsten, Vestergaard, Niels, Yagi, Nobuyuki, Zhang, Junjie, Lubchenco, Jane, editor, and Haugan, Peter M., editor

Published
2023
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21. WTO must ban harmful fisheries subsidies

Author

Sumaila, U Rashid, Skerritt, Daniel J, Schuhbauer, Anna, Villasante, Sebastian, Cisneros-Montemayor, Andrés M, Sinan, Hussain, Burnside, Duncan, Abdallah, Patrízia Raggi, Abe, Keita, Addo, Kwasi A, Adelsheim, Julia, Adewumi, Ibukun J, Adeyemo, Olanike K, Adger, Neil, Adotey, Joshua, Advani, Sahir, Afrin, Zahidah, Aheto, Denis, Akintola, Shehu L, Akpalu, Wisdom, Alam, Lubna, Alava, Juan José, Allison, Edward H, Amon, Diva J, Anderies, John M, Anderson, Christopher M, Andrews, Evan, Angelini, Ronaldo, Anna, Zuzy, Antweiler, Werner, Arizi, Evans K, Armitage, Derek, Arthur, Robert I, Asare, Noble, Asche, Frank, Asiedu, Berchie, Asuquo, Francis, Badmus, Lanre, Bailey, Megan, Ban, Natalie, Barbier, Edward B, Barley, Shanta, Barnes, Colin, Barrett, Scott, Basurto, Xavier, Belhabib, Dyhia, Bennett, Elena, Bennett, Nathan J, Benzaken, Dominique, Blasiak, Robert, Bohorquez, John J, Bordehore, Cesar, Bornarel, Virginie, Boyd, David R, Breitburg, Denise, Brooks, Cassandra, Brotz, Lucas, Campbell, Donovan, Cannon, Sara, Cao, Ling, Cardenas Campo, Juan C, Carpenter, Steve, Carpenter, Griffin, Carson, Richard T, Carvalho, Adriana R, Castrejón, Mauricio, Caveen, Alex J, Chabi, M Nicole, Chan, Kai MA, Chapin, F Stuart, Charles, Tony, Cheung, William, Christensen, Villy, Chuku, Ernest O, Church, Trevor, Clark, Colin, Clarke, Tayler M, Cojocaru, Andreea L, Copeland, Brian, Crawford, Brian, Crépin, Anne-Sophie, Crowder, Larry B, Cury, Philippe, Cutting, Allison N, Daily, Gretchen C, Da-Rocha, Jose Maria, Das, Abhipsita, de la Puente, Santiago, de Zeeuw, Aart, Deikumah, Savior KS, Deith, Mairin, Dewitte, Boris, Doubleday, Nancy, Duarte, Carlos M, Dulvy, Nicholas K, Eddy, Tyler, Efford, Meaghan, Ehrlich, Paul R, Elsler, Laura G, and Fakoya, Kafayat A

Subjects
General Science & Technology
Published
2021

22. Differential associations between pre-diabetes, diabetes and stroke occurrence among West Africans

Author

Sarfo, Fred Stephen, Ovbiagele, Bruce, Akinyemi, Joshua, Akpa, Onoja, Akpalu, Albert, Wahab, Kolawole, Ogbole, Godwin, Obiako, Reginald, Komolafe, Morenikeji, Owolabi, Lukman, Osaigbovo, Godwin, Jenkins, Carolyn, Fakunle, Adekunle, Adeoye, Abiodun, Lackland, Dan, Arnett, Donna, Tiwari, Hemant K., Olunuga, Taiwo, Uvere, Ezinne, Fawale, Bimbo, Ogah, Okechukwu, Agunloye, Atinuke, Faniyan, Moyinoluwalogo, Diala, Samuel, Yinka, Oladele, Laryea, Ruth, Osimhiarherhuo, Adeleye, Akinsanya, Cynthia, Abdulwasiu, Adeniyi, Akpalu, Josephine, Arulogun, Oyedunni, Appiah, Lambert, Dambatta, Hamisu, Olayemi, Balogun, Onasanya, Akinola, Isah, Sulaiman, Akinyemi, Rufus, and Owolabi, Mayowa

Published
2022
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24. Pragmatic solutions to reduce the global burden of stroke: a World Stroke Organization–Lancet Neurology Commission

Author

Feigin, Valery L, Abd-Allah, Foad, Akinyemi, Rufus O, Bhattacharjee, Natalia V, Brainin, Michael, Cao, Jackie, Caso, Valeria, Dalton, Bronte, Davis, Alan, Dempsey, Robert, Duprey, Joseph, Feng, Wuwei, Ford, Gary A, Gall, Seana, Gandhi, Dorcas, Good, David C, Hachinski, Vladimir, Hacke, Werner, Hankey, Graeme J, Ishida, Marie, Johnson, Walter, Kim, Julie, Lavados, Pablo, Lindsay, Patrice, Mahal, Ajay, Martins, Sheila, Murray, Christopher, Nguyen, Thuy Phuong, Norrving, Bo, Olaiya, Muideen T, Olalusi, Oladotun V, Pandian, Jeyaraj, Phan, Hoang, Platz, Thomas, Ranta, Anna, Rehman, Sabah, Roth, Greg, Sebastian, Ivy Anne, Smith, Amanda E, Suwanwela, Nijasri C, Sylaja, P N, Thapa, Rajshree, Thrift, Amanda G, Uvere, Ezinne, Vollset, Stein Emil, Yavagal, Dileep, Yaria, Joseph, Owolabi, Mayowa O, Abera, Semaw Ferede, Akinyemi, Rufus, Dempsey, Robert J, Ibrahim, Norlinah Mohamed, Liu, Liping, Ovbiagele, Bruce, Piradov, Michael, Suwanwela, Nijasri, Abanto, Carlos, Addissie, Adamu, Adeleye, Amos O, Adilbekov, Yerzhan, Adilbekova, Bibigul, Adoukonou, Thierry A, Aguiar de Sousa, Diana, Akhmetzhanova, Zauresh, Akpalu, Albert, El Alaoui-Faris, Mustapha, Ameriso, Sebastian F, Andonova, Silva, Arsovska, Anita, Awoniyi, Folorunso E, Bakhiet, Moiz, Barboza, Miguel A, Basri, Hamidon, Bath, Philip M, Bereczki, Daniel, Beretta, Simone, Berkowitz, Aaron L, Bernhardt, Julie, Berzina, Guna, Bhavsar, Bhavan, Bisharyan, Mher S, Bohara, Manoj, Bovet, Pascal, Budincevic, Hrvoje, Cadilhac, Dominique A, Čerimagić, Denis, Charway-Felli, Augustina, Chen, Christopher, Chin, Jerome H, Christensen, Hanne, Chwojnicki, Kamil, Conforto, Adriana B, Correia, Manuel, Mora Cuervo, Daissy L, Członkowska, Anna, D'Amelio, Marco, Danielyan, Kristine E, Davis, Stephen, Demarin, Vida, Demchuk, Andrew M, Dichgans, Martin, Dokova, Klara, Donnan, Geoffrey, Duran, Juan Carlos, Ekeng, Gloria, Elkind, Mitchell S, Endres, Matthias, Fischer, Urs, Flomin, Yuriy, Gankpe, Fortuné, Gavidia, Martin, Gaye Saavedra, Andrés, Gebreyohanns, Mehari, George, Mary, Gierlotka, Marek, Giroud, Maurice, Gnedovskaya, Elena V, Gonçalves, Ivete Pillo, Gongora-Rivera, Fernando, Gunaratne, Padma S, Hamadeh, Randah R, Hamzat, Tal-hatu K, Heldner, Mirjam R, Ibrahim, Etedal, Ihle-Hansen, Hanne, Jee, Sungju, Jiann-Shing, Jeng, Johnston, S Clay, Jovanovic, Dejana, Jurjāns, Kristaps, Kalani, Rizwan, Kalkonde, Yogeshwar, Kamenova, Saltanat, Karaszewski, Bartosz, Kelly, Peter, Kiechl, Stefan, Kondybayeva, Aida, Kõrv, Janika, Kozera, Grzegorz, Kravchenko, Michael, Krespi, Yakup, Krishnamurthi, Rita, Kruja, Jera, Kutluk, Kursad, Langhorne, Peter, Law, Zhe K, Lebedynets, Dmytro, Lee, Tsong-Hai, Leung, Thomas W, Liebeskind, David S, López-Jaramillo, Patricio, Lotufo, Paulo A, Machline-Carrion, M Julia, Maia, Luis F, Malojcic, Branko, Markus, Hugh S, Marquez-Romero, Juan M, Medina, Marco T, Medukhanova, Sabina, Mehndiratta, Man Mohan, Miglāne, Evija, Mihejeva, Illa, Mikulik, Robert, Mirrakhimov, Erkin, Mohl, Stephanie, Munakomi, Sunil, Murphy, Sean, Musa, Kamarul I, Nasreldein, Ahmed, Nogueira, Raul G, Nolte, Christian H, Noubiap, Jean Jacques, Novarro-Escudero, Nelson, Ocampo, Cassandra, O'Donnell, Martin, Ogun, Yomi, Ogunniyi, Adesola, Oraby, Mohammed I, Ōrken, Dilek N, Ōzdemir, Atilla O, Ozturk, Serefnur, Paccot, Mélanie, Pereira, Telmo, Peeters, André, Potpara, Tatjana, Proios, Hariklia, Rathore, Farooq A, Sacco, Ralph L, Sahathevan, Ramesh, Sandset, Else S, Renato Santos, Irving, Saposnik, Gustavo, Sarfo, Fred S, Sargento-Freitas, João, Sharma, Mukul, Shaw, Louise, Sheth, Kevin N, Shin, Yong-Il, Shobhana, A, Silva, S Nishan, Tedim Cruz, Vitor, Thakur, Kiran, Thapa, Lekh Jung, Toni, Danilo, Topcuoglu, Mehmetakif A, Torales, Julio, Towfighi, Amytis, Truelsen, Thomas, Tsiskaridze, Alexander, Tulloch-Reid, Marshall, Useche, Juan N, Vanacker, Peter, Vassilopoulou, Sophia, Vukorepa, Gorana, Vuletic, Vladimira, Wahab, Kolawole W, Wang, Wenzhi, Wijeratne, Tissa, Wojtyniak, Bogdan, Wolfe, Charles, Yacouba, Mapoure N, Yang, Jie, Yifru, Yared M, Yock-Corrales, Adriana, Yonemoto, Naohiro, Yperzeele, Laetitia, and Zagożdżon, Pawel

Published
2023
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25. Identification of genetic risk loci and causal insights associated with Parkinson's disease in African and African admixed populations: a genome-wide association study

Author

Okubadejo, Njideka, Ojo, Oluwadamilola, Abiodun, Oladunni, Achoru, Charles, Agabi, Osigwe, Agulanna, Uchechi, Akinyemi, Rufus, Ali, Mohammed, Ani-Osheku, Ifeyinwa, Arigbodi, Ohwotemu, Bello, Abiodun, Erameh, Cyril, Farombi, Temitope, Fawale, Michael, Imarhiagbe, Frank, Iwuozo, Emmanuel, Komolafe, Morenikeji, Nwani, Paul, Nwazor, Ernest, Nyandaiti, Yakub, Obiabo, Yahaya, Odeniyi, Olanike, Odiase, Francis, Ojini, Francis, Onwuegbuzie, Gerald, Osaigbovo, Godwin, Osemwegie, Nosakhare, Oshinaike, Olajumoke, Otubogun, Folajimi, Oyakhire, Shyngle, Ozomma, Simon, Samuel, Sarah, Taiwo, Funmilola, Wahab, Kolawole, Zubair, Yusuf, Gams Massi, Daniel, Gueumekane Bila lamou, Eric, Njamnshi Nfor, Leonard, Magnerou, Mélanie Annick, Fogang Fogoum, Yannick, Shalash, Ali, El-FawaI, Hassan, Khedr, Eman, Fawi, Gharib, A. Eltantawi, Mohamed, Salama, Mohamed, El-Jaafary, Shaimaa, Hamed, Sharifa, Tafesse Mengesha, Abenet, Alemayehu Ayele, Biniyam, Melka Oda, Dereje, Zenebe Zewde, Yared, Debebe Gelan, Yohanesse, AkpaIu, Albert, Charway-Felli, Augustina, Stephen Sarfo, Fred, Adjei, Patrick, Obese, Vida, Bocoum, Abdoulaye, Koita, Abdou, Oumar Guinto, Cheick, Coulibaly, Toumany, Maiga, Youssoufa, Kone, Zaynab, Bell, Abiodun, Adebowale, Akintunde A., Akpekpe, John, lyagba, Alagoma, Wulgo, Ali Mohammed, Arabambi, Babawale, Agu, Christian, Dike, Franklin, Ishola, Ismail, Abiodun, Kehinde, Ekenze, Oluchi, Agabi Osigwe, Paul, Balarabe, Salisu, Abubakar, Sani, Williams, Uduak, Fall, Maouly, Mamadou Diop, Alassane, Hilaire Dominique, Ewodo Touna, Mochan, Andre, Modi, Girish, Dindayal, Saiesha, Ali Awadelkareem, Eman, Elsayed, Inas, Dahawi, Maha, Awadelkareem, Mosab Ali, Misbah, Sarah, Mushengez, Brighton, Kimambo, Henrika, Msango, Leonard, Adebayo, Philip, OKeng, Kigocha, Diekker, Marieke, URassa, Sarah, Gouider, Riadh, Ben Djebara, Mouna, Gargouri, Amina, Kacem, Imen, Nasri, Amina, Mrabet, Saloua, Sghaier, Ikram, Mkada, Imen, Atadzhanov, Masharip, Chishimba, Lorraine, Rizig, Mie, Jama, Fatumah, Okunoye, Olaitan, Hardy, John, Houlden, Henry, Singleton, Andrew, Nalls, Mike, Shamim, Ejaz, Jonas, Cabell, Williamson, Jared, Hall, Deborah A., Rosenbaum, Marc, Davis, Staci, Dean, Marissa, Cromer, Candace, Smith, Jenna, Ruffrage, Lauren, Richardson, Joseph, Sipma, Rebeka, Xie, Tao, Padmanaban, Manesh, Warren, Natalie, Mercado, Tomas, Disbrow, Elizabeth, Chauppeta, Brian, Thomas-Dean, Fermine, Toms, Jamie, Lofton, Katelyn, Rawls, Ashley, Rizer, Kyle, Black, Nieci, Solle, Justin, O'Grady, Alyssa, Sherer, Todd, Fiske, Brian, Başak, A. Nazlı, Tan, Ai Huey, Noyce, Alastair, Akpalu, Albert, Espay, Alberto, Martínez-Carrasco, Alejandro, Medina, Alex, Zimprich, Alexander, Brice, Alexis, Karimova, Altynay, Hernandez, Alvaro, Illarionova, Anastasia, Quattrone, Andrea, Singleton, Andrew B, Sobering, Andrew K., Vinuela, Angel, Sanyaolu, Arinola, Schumacher-Schuh, Artur F., Kishore, Asha, Ahmad-Annuar, Azlina, Al Mubarak, Bashayer, Tang, Beisha, Pizarro Galleguillos, Benjamin, Jeon, Beomseok, Siddiqi, Bernadette, Casey, Bradford, Mollenhauer, Brit, Carroll, Camille, Rieder, Carlos, Pantazis, Caroline B., Comart, Charisse, Lin, Chin-Hsien, Klein, Christine, Bale, Claire, Shepherd, Claire E, Wegel, Claire, Blauwendraat, Cornelis, Vitale, Dan, Martinez-Ramirez, Daniel, Hall, Deborah, Hernandez, Dena, KP, Divya, Nguyen, Duan, Fon, Edward A., Dadiotis, Efthymios, Riley, Ekemini, Iakovenko, Elena, Stafford, Ellie, Gatto, Emilia M, Valente, Enza Maria, Vollstedt, Eva-Juliane, Faghri, Faraz, Genc, Gencer, Xiromerisiou, Georgia, Hadjigorgiou, Georgios, Hiu-Fai Chan, Germaine, Arboleda, Gonzalo, Kaishibayeva, Gulnaz, Höglinger, Günter, Leonard, Hampton, Madoev, Harutyun, Iwaki, Hirotaka, Chen, Honglei, Wu, Hsiu-Chuan, Shang, Huifang, Morris, Huw R, F. Mata, Ignacio, Keller Sarmiento, Ignacio Juan, Dagklis, Ioannis, Tarnanas, Ioannis, Aasly, Jan O., Hoenicka, Janet, Corvol, Jean-Christophe, Foo, Jia Nee, Guo, Jifeng, Junker, Johanna, Carr, Jonathan, Kim, Jonggeol Jeff, Orozco, Jorge, Jankovic, Joseph, Shulman, Joshua, Hunter, Julie, Solle, Justin C., Murphy, Kaileigh, Nuytemans, Karen, Kieburtz, Karl, Lohmann, Katja, Marek, Kenneth, Mok, Kin Ying, Kumar, Kishore, Levine, Kristin, Chahine, Lana M., Lange, Lara M., Pihlstrøm, Lasse, Screven, Laurel, Stefanis, Leonidas, Shulman, Lisa, Marsili, Luca, Parnetti, Lucilla, Kuhl, Maggie, Funayama, Manabu, Sharma, Manu, Tan, Manuela, Kauffman, Marcelo, Miranda, Marcelo, Bustamante, Maria Leonor, Stamelou, Maria, Periñan Tocino, Maria Teresa, Cornejo-Olivas, Mario, Jimenez del Rio, Marlene, Makarious, Mary B, Koretsky, Mathew, Rodriguez-Violante, Mayela, Ellis, Melina, Avenali, Micol, Rentería, Miguel E., Inca-Martines, Miguel z, Nalls, Mike A., Ibrahim Norlinah, Mohamed, Umair, Muhammad, Ip, Nancy, Louie, Naomi, Cheung, Nelson Yuk-Fai, Mencacci, Niccolò Emanuele, Wood, Nicholas, Williams, Nigel, Hattori, Nobutaka, Abdul Murad, Nor Azian, Ibrahim, Norlinah Mohamed, Monchi, Oury, Öztop Çakmak, Özgür, Öztop Çakmak, Patricio Öztop Çakmak, Lewis, Patrick Alfryn, Pastor, Pau, Reyes-Pérez, Paula, Saffie Awad, Paula, Chana, Pedro, Chan, Phillip, Kung, Pin-Jui, Chan, Piu, Pal, Pramod, Lingappa Kukkle, Prashanth, Ojha, Rajeev, Kaiyrzhanov, Rauan, Krüger, Rejko, Amouri, Rim, Weil, Rimona, Rajan, Roopa, Alcalay, Roy, Wu, Ruey-Meei, Borgohain, Rupam, Sassi, Samia Ben, Khachatryan, Samson, Bandres-Ciga, Sara, El-Sadig, Sarah, Wu, Serena, Groppa, Sergio, Azmin, Shahrul, Lim, Shen-Yang, Ur-Rehman, Shoaib, Ertan, Sibel, Stott, Simon, Jasaitye, Simona, Chowdhury, Sohini, Dumanis, Sonya, Bardien, Soraya, Lubbe, Steven, Koks, Sulev, Dey, Sumit, Foroud, Tatiana, Fon, Ted, Beach, Thomas, Gasser, Thomas, Anderson, Tim, Nguyen, Toan, Schirinzi, Tommaso, Shiraishi, Tomotaka, Pitcher, Toni, Tumas, Vitor, Mohamed, Wael, Kamel, Walaa A., Luo, Wei, Zhou, Xiaopu, Zewde, Yared Z., Song, Yeajin, Wen, Yi, Wu, Yihru, Joong Kim, Yun, Tavadyan, Zaruhi, Fang, Zih-Hua, Ojo, Oluwadamilola Omolara, Crea, Peter Wild, Abiodun, Oladunni Victoria, Levine, Kristin S, Abubakar, Sani Atta, Achoru, Charles Obiora, Adeniji, Olaleye Akinmola, Agabi, Osigwe Paul, Koretsky, Mathew J, Hall, Deborah A, Akinyemi, Rufus Olusola, Ali, Mohammed Wulgo, Shamim, Ejaz A, Padmanaban, Mahesh, Arigbodi, Ohwotemu Michael, Standaert, David G, Bello, Abiodun Hamzat, Dean, Marissa N, Erameh, Cyril Oshomah, Farombi, Temitope Hannah, Fawale, Michael Bimbola, Billingsley, Kimberley J, Imarhiagbe, Frank Aiwansoba, Jerez, Pilar Alvarez, Iwuozo, Emmanuel Uzodinma, Baker, Breeana, Komolafe, Morenikeji Adeyoyin, Malik, Laksh, Nwani, Paul Osemeke, Daida, Kensuke, Nwazor, Ernest Okwundu, Miano-Burkhardt, Abigail, Nyandaiti, Yakub Wilberforce, Obiabo, Yahaya Olugbo, Kluss, Jillian H, Odeniyi, Olanike Adedoyin, Hernandez, Dena G, Odiase, Francis Ehidiamen, Tayebi, Nahid, Ojini, Francis Ibe, Sidranksy, Ellen, Onwuegbuzie, Gerald Awele, D'Souza, Andrea M, Osaigbovo, Godwin Osawaru, Berhe, Bahafta, Reed, Xylena, Oshinaike, Olajumoke Olufemi, Leonard, Hampton L, Otubogun, Folajimi Morenikeji, Alvarado, Chelsea X, Oyakhire, Shyngle Imiewan, Ozomma, Simon Izuchukwu, Samuel, Sarah Chabiri, Taiwo, Funmilola Tolulope, Wahab, Kolawole Wasiu, Zubair, Yusuf Agboola, Kim, Jonggeol Jeffrey, Nalls, Mike A, Heilbron, Karl, Norcliffe-Kaufmann, Lucy, and Okubadejo, Njideka Ulunma

Published
2023
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26. Development and validation of a diagnostic aid for convulsive epilepsy in sub-Saharan Africa: a retrospective case-control study

Author

Gabriel Davis Jones, MD, Symon M Kariuki, PhD, Anthony K Ngugi, PhD, Angelina Kakooza Mwesige, PhD, Honorati Masanja, PhD, Seth Owusu-Agyei, ProfPhD, Ryan Wagner, PhD, J Helen Cross, ProfMD, Josemir W Sander, ProfPhD, Charles R Newton, ProfMD, Arjune Sen, ProfPhD, Hanna Abban, Patrick Adjei, Ken Ae-Ngibise, Francis Agbokey, Lisa Aissaoui, Albert Akpalu, Bright Akpalu, Sabina Asiamah, Gershim Asiki, Mercy Atieno, Evasius Bauni, Dan Bhwana, Mary Bitta, Christian Bottomley, Martin Chabi, Eddie Chengo, Neerja Chowdhary, Myles Connor, Helen Cross, Mark Collinson, Emmanuel Darkwa, Timothy Denison, Victor Doku, Tarun Dua, Isaac Egesa, Tony Godi, F. Xavier Gómez-Olivé, Simone Grassi, Samuel Iddi, Daniel Nana Yaw Abankwah Junior, Kathleen Kahn, Angelina Kakooza, Symon Kariuki, Gathoni Kamuyu, Clarah Khalayi, Henrika Kimambo, Immo Kleinschmidt, Thomas Kwasa, Sloan Mahone, Gergana Manolova, Honorati Masanja, Alexander Mathew, William Matuja, David McDaid, Bruno Mmbando, Daniel Mtai Mwanga, Dorcas Muli, Victor Mung'ala Odera, Frederick Murunga Wekesah, Vivian Mushi, Anthony Ngugi, Peter Odermatt, Rachael Odhiambo, James O Mageto, Peter Otieno, Seth Owusu-Agyei, George Pariyo, Stefan Peterson, Josemir Sander, Arjune Sen, Cynthia Sottie, Isolide Sylvester, Stephen Tollman, Yvonne Thoya, Rhian Twine, Sonia Vallentin, Ryan Wagner, Richard Walker, and Stella Waruingi

Subjects
Computer applications to medicine. Medical informatics, R858-859.7
Abstract

Summary: Background: Identification of convulsive epilepsy in sub-Saharan Africa relies on access to resources that are often unavailable. Infrastructure and resource requirements can further complicate case verification. Using machine-learning techniques, we have developed and tested a region-specific questionnaire panel and predictive model to identify people who have had a convulsive seizure. These findings have been implemented into a free app for health-care workers in Kenya, Uganda, Ghana, Tanzania, and South Africa. Methods: In this retrospective case-control study, we used data from the Studies of the Epidemiology of Epilepsy in Demographic Sites in Kenya, Uganda, Ghana, Tanzania, and South Africa. We randomly split these individuals using a 7:3 ratio into a training dataset and a validation dataset. We used information gain and correlation-based feature selection to identify eight binary features to predict convulsive seizures. We then assessed several machine-learning algorithms to create a multivariate prediction model. We validated the best-performing model with the internal dataset and a prospectively collected external-validation dataset. We additionally evaluated a leave-one-site-out model (LOSO), in which the model was trained on data from all sites except one that, in turn, formed the validation dataset. We used these features to develop a questionnaire-based predictive panel that we implemented into a multilingual app (the Epilepsy Diagnostic Companion) for health-care workers in each geographical region. Findings: We analysed epilepsy-specific data from 4097 people, of whom 1985 (48·5%) had convulsive epilepsy, and 2112 were controls. From 170 clinical variables, we initially identified 20 candidate predictor features. Eight features were removed, six because of negligible information gain and two following review by a panel of qualified neurologists. Correlation-based feature selection identified eight variables that demonstrated predictive value; all were associated with an increased risk of an epileptic convulsion except one. The logistic regression, support vector, and naive Bayes models performed similarly, outperforming the decision-tree model. We chose the logistic regression model for its interpretability and implementability. The area under the receiver operator curve (AUC) was 0·92 (95% CI 0·91–0·94, sensitivity 85·0%, specificity 93·7%) in the internal-validation dataset and 0·95 (0·92–0·98, sensitivity 97·5%, specificity 82·4%) in the external-validation dataset. Similar results were observed for the LOSO model (AUC 0·94, 0·93–0·96, sensitivity 88·2%, specificity 95·3%). Interpretation: On the basis of these findings, we developed the Epilepsy Diagnostic Companion as a predictive model and app offering a validated culture-specific and region-specific solution to confirm the diagnosis of a convulsive epileptic seizure in people with suspected epilepsy. The questionnaire panel is simple and accessible for health-care workers without specialist knowledge to administer. This tool can be iteratively updated and could lead to earlier, more accurate diagnosis of seizures and improve care for people with epilepsy. Funding: The Wellcome Trust, the UK National Institute of Health Research, and the Oxford NIHR Biomedical Research Centre.

Published
2023
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27. Immunogenicity and safety of a 10-valent pneumococcal conjugate vaccine administered as a 2 + 1 schedule to healthy infants in The Gambia: a single-centre, double-blind, active-controlled, randomised, phase 3 trial

Author

Adigweme, Ikechukwu, Futa, Ahmed, Saidy-Jah, Ebrima, Edem, Bassey, Akpalu, Edem, Dibbasey, Tida, Sethna, Vistasp, Dhere, Rajeev, Kampmann, Beate, Bengt, Christopher, Sirr, Jake, Hosken, Nancy, Goldblatt, David, Antony, Kalpana, Alderson, Mark R, Lamola, Steve, and Clarke, Ed

Published
2023
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28. A Novel Afrocentric Stroke Risk Assessment Score: Models from the Siren Study

Author

Akpa, Onoja, Sarfo, Fred S., Owolabi, Mayowa, Akpalu, Albert, Wahab, Kolawole, Obiako, Reginald, Komolafe, Morenikeji, Owolabi, Lukman, Osaigbovo, Godwin O., Ogbole, Godwin, Tiwari, Hemant K., Jenkins, Carolyn, Fakunle, Adekunle G., Olowookere, Samuel, Uvere, Ezinne O., Akinyemi, Joshua, Arulogun, Oyedunni, Akpalu, Josephine, Tito-Ilori, Moyinoluwalogo M., Asowata, Osahon J., Ibinaiye, Philip, Akisanya, Cynthia, Oyinloye, Olalekan I., Appiah, Lambert, Sunmonu, Taofik, Olowoyo, Paul, Agunloye, Atinuke M., Adeoye, Abiodun M., Yaria, Joseph, Lackland, Daniel T., Arnett, Donna, Laryea, Ruth Y., Adigun, Taiwo O., Okekunle, Akinkunmi P., Calys-Tagoe, Benedict, Ogah, Okechukwu S., Ogunronbi, Mayowa, Obiabo, Olugbo Y., Isah, Suleiman Y., Dambatta, Hamisu A., Tagge, Raelle, Ogenyi, Obande, Fawale, Bimbo, Melikam, Chimdinma L., Onasanya, Akinola, Adeniyi, Sunday, Akinyemi, Rufus, and Ovbiagele, Bruce

Published
2021
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29. Are there differences in perceptions, preferences and attitudes towards disclosure of genetic testing for Stroke? A qualitative study among stroke-free SIREN-SIBS genomics study participants

Author

Arulogun, Oyedunni, Nichols, Michelle, Jenkins, Carolyn, Fakunle, Adekunle Gregory, Akpa, Onoja, Sarfo, Fred S., Akpalu, Albert, Wahab, Kolawole, Obiako, Reginald, Komolafe, Morenikeji, Owolabi, Lukman, Osaigbovo, Godwin O., Okekunle, Akinkunmi Paul, Akinyemi, Joshua, Ogbole, Godwin, Calys-Tagoe, Benedict, Adeleye, Adeniji, Mensah, Yaw, Asowata, Osahon Jeffery, Adeoye, Abiodun M., Appiah, Lambert, Singh, Arti, Adebayo, Philip, Arnett, Donna, Tiwari, Hemant K., Lackland, Daniel, Ibinaiye, Philip, Oguike, Wisdom, Melikam, Chimdinma, Sunday, Adeniyi, Bello, Abiodun, Ogah, Okechukwu, Akinyemi, Rufus, Ovbiagele, Bruce, and Owolabi, Mayowa

Published
2023
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30. Study protocol for a phase 1/2, single-centre, double-blind, double-dummy, randomized, active-controlled, age de-escalation trial to assess the safety, tolerability and immunogenicity of a measles and rubella vaccine delivered by a microneedle patch in healthy adults (18 to 40 years), measles and rubella vaccine-primed toddlers (15 to 18 months) and measles and rubella vaccine-naïve infants (9 to 10 months) in The Gambia [Measles and Rubella Vaccine Microneedle Patch Phase 1/2 Age De-escalation Trial]

Author

Ikechukwu Adigweme, Edem Akpalu, Mohammed Yisa, Simon Donkor, Lamin B. Jarju, Baba Danso, Anthony Mendy, David Jeffries, Abdoulie Njie, Andrew Bruce, Michael Royals, James L. Goodson, Mark R. Prausnitz, Devin McAllister, Paul A. Rota, Sebastien Henry, and Ed Clarke

Subjects
Measles vaccine, Rubella vaccine, Microneedle patch, Microarray patch, Microneedle, Double dummy, Medicine (General), R5-920
Abstract

Abstract Background New strategies to increase measles and rubella vaccine coverage, particularly in low- and middle-income countries, are needed if elimination goals are to be achieved. With this regard, measles and rubella vaccine microneedle patches (MRV-MNP), in which the vaccine is embedded in dissolving microneedles, offer several potential advantages over subcutaneous delivery. These include ease of administration, increased thermostability, an absence of sharps waste, reduced overall costs and pain-free administration. This trial will provide the first clinical trial data on MRV-MNP use and the first clinical vaccine trial of MNP technology in children and infants. Methods This is a phase 1/2, randomized, active-controlled, double-blind, double-dummy, age de-escalation trial. Based on the defined eligibility criteria for the trial, including screening laboratory investigations, 45 adults [18–40 years] followed by 120 toddlers [15–18 months] and 120 infants [9–10 months] will be enrolled in series. To allow double-blinding, participants will receive either the MRV-MNP and a placebo (0.9% sodium chloride) subcutaneous (SC) injection or a placebo MNP and the MRV by SC injection (MRV-SC). Local and systemic adverse event data will be collected for 14 days following study product administration. Safety laboratories will be repeated on day 7 and, in the adult cohort alone, on day 14. Unsolicited adverse events including serious adverse events will be collected until the final study visit for each participant on day 180. Measles and rubella serum neutralizing antibodies will be measured at baseline, on day 42 and on day 180. Cohort progression will be dependent on review of the unblinded safety data by an independent data monitoring committee. Discussion This trial will provide the first clinical data on the use of a MNP to deliver the MRV and the first data on the use of MNPs in a paediatric population. It will guide future product development decisions for what may be a key technology for future measles and rubella elimination. Trial registration Pan-African Clinical Trials Registry 202008836432905 . ClinicalTrials.gov NCT04394689

Published
2022
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31. Determinants of First‐Ever Stroke Severity in West Africans: Evidence From the SIREN Study

Author

Oladimeji Adebayo, Onoja Akpa, Osahon J. Asowata, Adekunle Fakunle, Fred S. Sarfo, Albert Akpalu, Kolawole Wahab, Reginald Obiako, Morenikeji Komolafe, Lukman Owolabi, Godwin O. Osaigbovo, Akinkunmi Paul Okekunle, Taofiki Sunmonu, Hemant K. Tiwari, Carolyn Jenkins, Oyedunni Arulogun, Lambert Appiah, Joshua Akinyemi, Abiodun M. Adeoye, Godwin Ogbole, Joseph Yaria, Donna Arnett, Philip Adebayo, Benedict Calys‐Tagoe, Okechukwu S. Ogah, Olayemi Balogun, Luqman Ogunjimi, Yaw Mensah, Obiageli U. Agbogu‐Ike, Rufus Akinyemi, Bruce Ovbiagele, and Mayowa O. Owolabi

Subjects
determinant, SIREN, stroke severity, West Africa, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract

Background Baseline stroke severity is probably partly responsible for poor stroke outcomes in sub‐Saharan Africa. However, there is a paucity of information on determinants of stroke severity among indigenous Africans. We sought to identify the factors associated with stroke severity among West Africans in the SIREN (Stroke Investigative Research and Educational Networks) study. Methods and Results Stroke was diagnosed clinically and confirmed with brain neuroimaging. Severe stroke was defined as a Stroke Levity Scale score of ≤5. A multivariate logistic regression model was constructed to identify factors associated with stroke severity at 95% CI and a nominal cutoff of 5% type 1 error. A total of 3660 stroke cases were included. Overall, 50.7%% had severe stroke, including 47.6% of all ischemic strokes and 56.1% of intracerebral hemorrhage. Factors independently associated with severe stroke were meat consumption (adjusted odds ratio [aOR], 1.97 [95% CI, 1.43–2.73]), low vegetable consumption (aOR, 2.45 [95% CI, 1.93–3.12]), and lesion volume, with an aOR of 1.67 (95% CI, 1.03–2.72) for lesion volume of 10 to 30 cm3 and aOR of 3.88 (95% CI, 1.93–7.81) for lesion volume >30 cm3. Severe ischemic stroke was independently associated with total anterior circulation infarction (aOR, 3.1 [95% CI, 1.5–6.9]), posterior circulation infarction (aOR, 2.2 [95% CI, 1.1–4.2]), and partial anterior circulation infarction (aOR, 2.0 [95% CI, 1.2–3.3]) compared with lacunar stroke. Increasing age (aOR, 2.6 [95% CI, 1.3–5.2]) and lesion volume >30 cm3 (aOR, 6.2 [95% CI, 2.0–19.3]) were independently associated with severe intracerebral hemorrhage. Conclusions Severe stroke is common among indigenous West Africans, where modifiable dietary factors are independently associated with it. These factors could be targeted to reduce the burden of severe stroke.

Published
2023
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32. Nurses’ Perspectives on a Novel Stroke Nurse Training Program in Lusaka, Zambia (P1-15.001)

Author

Chen, Phoebe, primary, Nanduri, Samhita, additional, Sneh, Gabriel, additional, Braun, Sarah, additional, Appiah, Monica, additional, Asare, Maxwell, additional, Asukile, Melody, additional, Chomba, Mashina, additional, Gebrewold, Meron, additional, Kaunda, Kasakula, additional, Kinkata, Michael, additional, Mwanza, Jessica, additional, Mwenya, Royce, additional, Peele, Muchinka, additional, Peloso, Alexandra, additional, Singoyi, Jane, additional, Quarton, Jonathan, additional, Baral, Stefan, additional, Birbeck, Gretchen, additional, Gottesman, Rebecca, additional, Sikazwe, Izukanji, additional, Winch, Peter, additional, Akpalu, Albert, additional, Sykes, Lucy, additional, Prust, Morgan, additional, and Saylor, Deanna, additional

Published
2024
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33. International collaboration for the development of clinical guidelines in low and middle-income countries: case study on the development of a national framework and clinical guidelines for diabetic retinopathy in Ghana

Author

Mwangi, Nyawira, Amissah-Arthur, Kwesi Nyan, Braimah, Imoro Zeba, Sarfo-Kantanka, Osei, Akpalu, Josephine, Akrofi, Bridgid, Boadi-Kusi, Samuel Bert, Atiase, Yacoba, Yorke, Ernest, Gichangi, Michael, Faal, Hannah, and Addy, James

Published
2022
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34. Determinants of metabolic syndrome and its prognostic implications among stroke patients in Africa: Findings from the Stroke Investigative Research and Educational Network (SIREN) study

Author

Adeoye, Abiodun M., Akintunde, Adeseye A., Akinyemi, Joshua, Fakunle, Adekunle G., Sarfo, Fred S., Akpalu, Albert, Wahab, Kolawole, Obiako, Reginald, Komolafe, Morenikeji, Owolabi, Lukman, Osaigbovo, Godwin O., Akpa, Onoja, Arulogun, Oyedunni, Okekunle, Akinkunmi P., Ogah, Okechukwu S., Jenkins, Carolyn, Ogbole, Godwin, Tiwari, Hemant K., Asowata, Osahon J., Ibinaiye, Philip, Appiah, Lambert, Agunloye, Atinuke M., Yaria, Joseph, Calys-Tagoe, Benedict, Agbogu-Ike, Obiageli U., Adeniyi, Sunday, Adebayo, Philip, Balogun, Olayemi, Aderonmu, Olajumoke, Adeegbe, Oluwayemisi T., Adebayo, Oladimeji, Akinyemi, Rufus, Ovbiagele, Bruce, and Owolabi, Mayowa

Published
2022
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37. Risk of second brain tumour after radiotherapy for pituitary adenoma or craniopharyngioma: a retrospective, multicentre, cohort study of 3679 patients with long-term imaging surveillance

Author

Hamblin, Ross, Vardon, Ashley, Akpalu, Josephine, Tampourlou, Metaxia, Spiliotis, Ioannis, Sbardella, Emilia, Lynch, Julie, Shankaran, Vani, Mavilakandy, Akash, Gagliardi, Irene, Meade, Sara, Hobbs, Claire, Cameron, Alison, Levy, Miles J, Ayuk, John, Grossman, Ashley, Ambrosio, Maria Rosaria, Zatelli, Maria Chiara, Reddy, Narendra, Bradley, Karin, Murray, Robert D, Pal, Aparna, and Karavitaki, Niki

Published
2022
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39. Floristic composition of agroforestry parklands in the semi-arid zone of Ghana: A special focus on Faidherbia albida (Delile) A. Chev

Author

Stephen Edem Akpalu, Luke Anglaaere, Lawrence Damnyag, Evans Kwasi Dawoe, Akwasi Adutwum Abunyewa, and Mercy Marilyn Akpalu

Subjects
Agroforestry parkland, Ecological zones, Importance value index, Relative dominance, Tree diversity, Tree population density, Forestry, SD1-669.5, Plant ecology, QK900-989
Abstract

In order to understand the dynamics of regeneration, growth, population and possible upscale for the benefit of agroforestry parkland trees in the semi-arid areas of Ghana, a study was conducted to determine the population density, diversity, relative dominance, importance value indices (IVI) and use categories of parkland tree species in the Sudan and Guinea Savannah vegetation zones of Ghana, with special reference to F. albida. Tree inventories were conducted on 80 sampled farms covering a total area of 74.2 hectares across 8 communities distributed in 4 districts in the Sudan and Guinea savannah zones. Mean farm size was 0.93 hectares. Fifty-four tree species belonging to 24 families were encountered during the study. A Simpson's diversity index of 2.72 was determined as the overall diversity index of tree species on farmlands. Tree population densities in the sampled communities ranged between 4 (Katiu) and 11 (Kugri) trees per hectare. The predominant uses of parkland trees include food, medicine, shade, fuelwood and wood for construction. Others include fencing, soil improvement, direct income from sale of tree products, erosion control, fodder, tools, deity, packaging and craft. Ranking parkland tree species according to their Importance Value Indices (IVIs) in the various study ecological zones, it was evident that Faidherbia albida is highly ranked in both ecological zones due to its multipurpose functions such as fodder (pods and leaves) provision, shade provision in the dry season, and its contribution to improved growth and yield of crops grown under its canopy. Faidherbia albida populations should be increased on farmlands through programs like the Farmer Managed Natural Regeneration (FMNR) and possible domestication.

Published
2022
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41. Author Correction: Financing a sustainable ocean economy

Author

Sumaila, U. Rashid, Walsh, Melissa, Hoareau, Kelly, Cox, Anthony, Teh, Louise, Abdallah, Patrízia, Akpalu, Wisdom, Anna, Zuzy, Benzaken, Dominique, Crona, Beatrice, Fitzgerald, Timothy, Heaps, Louise, Issifu, Ibrahim, Karousakis, Katia, Lange, Glenn Marie, Leland, Amanda, Miller, Dana, Sack, Karen, Shahnaz, Durreen, Thiele, Torsten, Vestergaard, Niels, Yagi, Nobuyuki, and Zhang, Junjie

Published
2022
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42. Study protocol for a phase 1/2, single-centre, double-blind, double-dummy, randomized, active-controlled, age de-escalation trial to assess the safety, tolerability and immunogenicity of a measles and rubella vaccine delivered by a microneedle patch in healthy adults (18 to 40 years), measles and rubella vaccine-primed toddlers (15 to 18 months) and measles and rubella vaccine-naïve infants (9 to 10 months) in The Gambia [Measles and Rubella Vaccine Microneedle Patch Phase 1/2 Age De-escalation Trial]

Author

Adigweme, Ikechukwu, Akpalu, Edem, Yisa, Mohammed, Donkor, Simon, Jarju, Lamin B., Danso, Baba, Mendy, Anthony, Jeffries, David, Njie, Abdoulie, Bruce, Andrew, Royals, Michael, Goodson, James L., Prausnitz, Mark R., McAllister, Devin, Rota, Paul A., Henry, Sebastien, and Clarke, Ed

Published
2022
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43. Primary stroke prevention worldwide: translating evidence into action

Author

Abanto, Carlos, Abera, Semaw Ferede, Addissie, Adamu, Adebayo, Oluwadamilola, Adeleye, Amos Olufemi, Adilbekov, Yerzhan, Adilbekova, Bibigul, Adoukonou, Thierry Armel, Aguiar de Sousa, Diana, Ajagbe, Temitope, Akhmetzhanova, Zauresh, Akpalu, Albert, Álvarez Ahlgren, Jhon, Ameriso, Sebastián, Andonova, Silva, Awoniyi, Foloruso Emmanuel, Bakhiet, Moiz, Barboza, Miguel, Basri, Hamidon, Bath, Philip, Bello, Olamide, Bereczki, Dániel, Beretta, Simone, Berkowitz, Aaron, Bernabé-Ortiz, Antonio, Bernhardt, Julie, Berzina, Guna, Bisharyan, Mher, Bovet, Pascal, Budincevic, Hrvoje, Cadilhac, Dominique, Caso, Valeria, Chen, Christopher, Chin, Jerome, Chwojnicki, Kamil, Conforto, Adriana, Cruz, Vitor Tedim, D'Amelio, Marco, Danielyan, Kristine, Davis, Stephen, Demarin, Vida, Dempsey, Robert, Dichgans, Martin, Dokova, Klara, Donnan, Geoffrey, Elkind, Mitchell S., Endres, Matthias, Fischer, Urs, Gankpé, Fortuné, Gaye Saavedra, Andrés, Gil, Artyom, Giroud, Maurice, Gnedovskaya, Elena, Hachinski, Vladimir, Hafdi, Melanie, Hamadeh, Randah, Hamzat, T. Kolapo, Hankey, Graeme, Heldner, Mirjam, Ibrahim, Etedal Ahmed, Ibrahim, Norlinah Mohamed, Inoue, Manabu, Jee, Sungju, Jeng, Jiann-Shing, Kalkonde, Yogesh, Kamenova, Saltanat, Karaszewski, Bartosz, Kelly, Peter, Khan, Taskeen, Kiechl, Stefan, Kondybayeva, Aida, Kõrv, Janika, Kravchenko, Michael, Krishnamurthi, Rita V., Kruja, Jera, Lakkhanaloet, Mongkol, Langhorne, Peter, Lavados, Pablo M., Law, Zhe Kang, Lawal, Abisola, Lazo-Porras, Maria, Lebedynets, Dmytro, Lee, Tsong-Hai, Leung, Thomas, Liebeskind, David S., Lindsay, Patrice, López-Jaramillo, Patricio, Lotufo, Paulo Andrade, Machline-Carrion, Julia, Makanjuola, Akintomiwa, Markus, Hugh Stephen, Marquez-Romero, Juan Manuel, Medina, Marco, Medukhanova, Sabina, Mehndiratta, Man Mohan, Merkin, Alexandr, Mirrakhimov, Erkin, Mohl, Stephanie, Moscoso-Porras, Miguel, Müller-Stierlin, Annabel, Murphy, Sean, Musa, Kamarul Imran, Nasreldein, Ahmed, Nogueira, Raul Gomes, Nolte, Christian, Noubiap, Jean Jacques, Novarro-Escudero, Nelson, Ogun, Yomi, Oguntoye, Richard Ayobami, Oraby, Mohammed Ibrahim, Osundina, Morenike, Ovbiagele, Bruce, Orken, Dilek Necioglu, Ozdemir, Atilla Özcan, Ozturk, Serefnur, Paccot, Melanie, Phromjai, Jurairat, Piradov, Piradov, Platz, Thomas, Potpara, Tatjana, Ranta, Annemarei, Rathore, Farooq, Richard, Edo, Sacco, Ralph L., Sahathevan, Ramesh, Santos Carquín, Irving, Saposnik, Gustavo, Sarfo, Fred Stephen, Sharma, Mike, Sheth, Kevin, Shobhana, A., Suwanwela, Nijasri, Svyato, Irina, Sylaja, P.N., Tao, Xuanchen, Thakur, Kiran T., Toni, Danilo, Topcuoglu, Mehmet Akif, Torales, Julio, Towfighi, Amytis, Truelsen, Thomas Clement, Tsiskaridze, Alexander, Tulloch-Reid, Marshall, Useche, Nicolás, Vanacker, Peter, Vassilopoulou, Sophia, Vukorepa, Gorana, Vuletic, Vladimira, Wahab, Kolawole W., Wang, Wenzhi, Wijeratne, Tissa, Wolfe, Charles, Yifru, Yared Mamushet, Yock-Corrales, Adriana, Yonemoto, Naohiro, Yperzeele, Laetitia, Zhang, Puhong, Owolabi, Mayowa O, Thrift, Amanda G, Mahal, Ajay, Ishida, Marie, Martins, Sheila, Johnson, Walter D, Pandian, Jeyaraj, Abd-Allah, Foad, Yaria, Joseph, Phan, Hoang T, Roth, Greg, Gall, Seana L, Beare, Richard, Phan, Thanh G, Mikulik, Robert, Akinyemi, Rufus O, Norrving, Bo, Brainin, Michael, and Feigin, Valery L

Published
2022
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44. Field performance and survival of cocoa seedlings raised in different growing media

Author

Akpalu M. M., Ofosu-Budu G. K., Kumaga F. K., Ofori K., and Mintah L.

Subjects
cocoa, growing media, transplanting, survival, Agriculture
Abstract

The medium from which seedlings are transplanted influences seedling growth and survival on the field. The objective of the experiment was to compare how growing media affect the growth and survival of cocoa seedlings under field conditions. The seedlings were raised in both soil and soilless media and were transplanted on the field in June, when they were six months old. The experimental design was a randomized complete block design with three different growing media: 1. top soil, 2. sawdust + poultry manure + rice husk biochar (70%:25%:5%), and 3. sawdust + poultry manure + municipal solid waste compost (50%:35%:15%). The cocoa seedlings were transplanted at a spacing of 3 m × 3 m at 12 plants per plot and each plot size measured 45 m × 45 m. Data were collected on plant height, leaf number, stem girth, leaf chlorophyll content, percentage of plants that shed their leaves, and percentage of survival. Results indicated that seedling survival at the onset and end of the dry season was significantly (P < 0.05) higher for seedlings transplanted from soilless media compared to those from the top soil treatment. Irrigation will be necessary to maintain high seedling survival when seedlings are transplanted from the top soil for a well-established plantation.

Published
2021
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45. Matrix Signaling Subsequent to a Myocardial Infarction: A Proteomic Profile of Tissue Factor Microparticles.

Author

Akpalu, Derrick, Newman, Gale, Brice, Mark, Powell, Mike, Singh, Rajesh, Quarshie, Alexander, Ofili, Elizabeth, Fonger, James, Chronos, Nic, and Feldman, David

Subjects
ADRB1, β1-adrenergic receptor, ADRB2, β2-adrenergic receptor, AR, adrenergic receptor, ARRB1, β1-arrestin, BB, β-blocker, CRT, cardiac resynchronization therapy, EDV, end-diastolic volume, EF, ejection fraction, ELISA, enzyme-linked immunosorbent assay, ESV, end-systolic volume, FACS, fluorescence-activated cell sorting, GRK, G-protein receptor kinase, HSP, heat shock protein, HUVEC, human umbilical vein endothelial cell, LVAd MV, left ventricular area around the mitral valve at diastole, LVAd PM, left ventricular area around the papillary muscle at diastole, LVAs MV, left ventricular area around the mitral valve at systole, LVAs PM, left ventricular area around the papillary muscle at systole, MI, myocardial infarction, MP, microparticle, PCR, polymerase chain reaction, TF, tissue factor, TFMP, tissue factor–bearing microparticle, TnT, troponin T, Yucatan mini swine, cAMP, cyclic adenosine monophosphate, chronic ischemic cardiomyopathy, matrix signaling, myocardial infarction, tissue factor-bearing microparticles, βAR signaling
Abstract

This study investigated the release and proteomic profile of tissue factor microparticles (TFMPs) prospectively (up to 6 months) following a myocardial infarction (MI) in a chronic porcine model to establish their utility in tracking cellular level activities that predict physiologic outcomes. Our animal groups (n = 6 to 8 each) consisted of control, noninfarcted (negative control); infarcted only (positive control); and infarcted animals treated with cardiac resynchronization therapy (CRT) and a β-blocker (BB) (metoprolol succinate). The authors found different protein profiles in TFMPs between the control, infarcted only group, and the CRT + BB treated group with predictive impact on the outward phenotype of pathological remodeling after an MI within and between groups. This novel approach of monitoring cellular level activities by profiling the content of TFMPs has the potential of addressing a shortfall of the current crop of cardiac biomarkers, which is the inability to capture composite molecular changes associated with chronic maladaptive signaling in a spatial and temporal manner.

Published
2017

47. Clinical and neuroimaging factors associated with 30-day fatality among indigenous West Africans with spontaneous intracerebral hemorrhage

Author

Komolafe, Morenikeji A., primary, Sunmonu, Taofiki, additional, Akinyemi, Joshua, additional, Sarfo, Fred S., additional, Akpalu, Albert, additional, Wahab, Kolawole, additional, Obiako, Reginald, additional, Owolabi, Lukman, additional, Osaigbovo, Godwin O., additional, Ogbole, Godwin, additional, Tiwari, Hemant K., additional, Jenkins, Carolyn, additional, Lackland, Daniel T., additional, Fakunle, Adekunle G., additional, Uvere, Ezinne, additional, Akpa, Onoja, additional, Dambatta, Hamisu A., additional, Akpalu, Josephine, additional, Onasanya, Akinola, additional, Olaleye, Adeniji, additional, Ogah, Okechukwu S., additional, Isah, Sulaiman Y., additional, Fawale, Micheal B., additional, Adebowale, Akintunde, additional, Okekunle, Akinkunmi P., additional, Arnett, Donna, additional, Adeoye, Abiodun M., additional, Agunloye, Atinuke M., additional, Bello, Abiodun H., additional, Aderibigbe, Adeniyi S., additional, Idowu, Ahmed O., additional, Sanusi, Ahmad A., additional, Ogunmodede, Adebimpe, additional, Balogun, Simon A., additional, Egberongbe, Adedeji A., additional, Rotimi, Folorunso T., additional, Fredrick, Adeyemi, additional, Akinnuoye, Andrew O., additional, Adeniyi, Folu A., additional, Calys-Tagoe, Benedict, additional, Adebayo, Philip, additional, Arulogun, Oyedunni, additional, Agbogu-Ike, Obiageli U., additional, Yaria, Joseph, additional, Appiah, Lambert, additional, Ibinaiye, Philip, additional, Singh, Arti, additional, Adeniyi, Sunday, additional, Olalusi, Oladotun, additional, Mande, Aliyu, additional, Balogun, Olayemi, additional, Akinyemi, Rufus, additional, Ovbiagele, Bruce, additional, and Owolabi, Mayowa, additional

Published
2023
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48. Influence of age on links between major modifiable risk factors and stroke occurrence in West Africa

Author

Sarfo, Fred S., Akpa, Onoja, Ovbiagele, Bruce, Akpalu, Albert, Wahab, Kolawole, Komolafe, Morenikeji, Obiako, Reginald, Owolabi, Lukman, Osaigbovo, Godwin O., Jenkins, Carolyn, Ogbole, Godwin, Fakunle, Adekunle, Tiwari, Hemant K., Arulogun, Oyedunni, Arnett, Donna K., Asowata, Osahon, Ogah, Okechukwu, Akinyemi, Rufus O., and Owolabi, Mayowa O.

Published
2021
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50. Frequency and factors associated with post-stroke seizures in a large multicenter study in West Africa

Author

Sarfo, Fred S., Akinyemi, Joshua, Akpalu, Albert, Wahab, Kolawole, Yaria, Joseph, Adebayo, Oladimeji, Komolafe, Morenike, Obiako, Reginald, Owolabi, Lukman, Osaigbovo, Godwin O., Jenkins, Carolyn, Mensah, Yaw, Ogbole, Godwin, Calys-Tagoe, Benedict, Adebayo, Philip, Appiah, Lambert, Singh, Arti, Fakunle, Adekunle, Uvere, Ezinne, Hemant, Tiwari, Balogun, Olayemi, Adeleye, Osi, Fawale, Bimbo, Abdulwasiu, Adeniyi, Ogunjimi, Luqman, Akinola, Onasanya, Arulogun, Oyedunni, Donna, Arnette, Ogah, Okechukwu, Akinyemi, Rufus, Ovbiagele, Bruce, and Owolabi, Mayowa O.

Published
2021
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