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Okeke Somadina Nnamdi

Publications (5)

Evaluating the Effect of Chloroform Inhalation as a Method of Euthanasia on the Cerebellum and Hippocampus of Adult Wistar Rats

Ugochukwu Samuel Aguwa, Okeke Somadina Nnamdi, Ezejindu Darmian Nnabuihe, Eze Chinyere Elizabeth, Azurunwa Ogechi, Obinwa Benedict Nzube, Ovie Ogbo. Felix, Obi Kelvin Chukwuemeka, Onwuelingo Sopuru, Okonkwo David, Doris Ogbuokiri & Okeke Chijioke · Journal of Advances in Medical and Pharmaceutical Sciences · 2020

Chloroform inhalation is a common method of rodent euthanasia in Nigeria for research purposes. This work is designed to evaluate the consequence of this method of sacrifice on the cerebellum and hippocampus of Wistar rats. Twenty male Wistar rats weighing between 160 and 180 wer...

Open access Research Article 10.9734/jamps/2020/v22i630176

Neuroprotective Effects of Eleveted Dose Vitamin A on the Hippocampus of Adult Male Wistar Rats Exposed to Toxic Doses of Methamphetamine

Ezejindu Damian NNABUIHE, Joshua Izuchukwu ABUGU, Enemuo IJEOMA, Okeke Somadina Nnamdi, K. Ogbuokiri Doris, Okeke Henry Kachikwuru, Ekoh Augustine Alobu, Benedict Nzube Obinwa, Chinyere Elizabeth Eze, Nwaefulu Kester Eluemunor, Sobanke A. Omolara, Chidinma Ifeyinwa Mmaju, Okafor Anulika Jacinta, Chuka-Onwuokwu Ngozi Cynthia, Ejiogu Ikedichukwu Chibueze, Nwoko Sebastine Okechukwu, Wuraola Serah Nnaemeka, Ebi Victory Chinecherem, Agu Augustine Uchenna, Ugwu Augustus Uchenna, Nwodo Ndubuisi Francis, Elemuo Chukwuebuka Stanley, Agbai Johnson Ukwa, Muorah Chinecherem Onyekachi & Ozoemena Chiadikobi Lawrence · Asian Journal of Research in Medical and Pharmaceutical Sciences · 2026

Methamphetamine overstimulates brain regions such as the striatum and hippocampus by increasing neurotransmitter activity, thereby causing neurotoxicity, whereas vitamin A may help protect neurons through anti-inflammatory and neuroprotective effects. This study investigated the...

Open access Research Article 10.9734/ajrimps/2026/v15i3410

Role of Vitamin-A on the Cerebral Cortex of Adult Male Wistar Rats Exposed to Methamphetamine

Ezejindu Damian NNABUIHE, Joshua Izuchukwu ABUGU, Enemuo IJEOMA, Okeke Somadina Nnamdi, Ogbuokiri Doris K., Okeke Henry Kachikwuru, Ekoh Augustine Alobu, Benedict Nzube Obinwa, Chinyere Elizabeth Eze, Nwaefulu Kester Eluemunor, Sobanke A. Omolara, Chidinma Ifeyinwa Mmaju, Okafor Anulika Jacinta, Chuka-Onwuokwu Ngozi Cynthia, Ejiogu Ikedichukwu Chibueze, Nwoko Sebastine Okechukwu, Wuraola Serah Nnaemeka, Ebi Victory Chinecherem, Agu Augustine Uchenna, Ugwu Augustus Uchenna, Nwodo Ndubuisi Francis, Elemuo Chukwuebuka Stanley, Agbai Johnson Ukwa, Muorah Chinecherem Onyekachi & Ozoemena Chiadikobi Lawrence · Asian Journal of Biochemistry, Genetics and Molecular Biology · 2026

Methamphetamine (METH) can induce oxidative stress and structural injury in the cerebral cortex, whereas vitamin A participates in antioxidant defence and neural maintenance. This study evaluated the effect of low-dose vitamin A on methamphetamine-induced cortical changes in adul...

Open access Research Article 10.9734/ajbgmb/2026/v18i9564

The Role of High-Dose Vitamin A on the Amygdala of Adult Male Wistar Rats Exposed to Toxic Doses of Methamphetamine

Ezejindu Damian NNABUIHE, Joshua Izuchukwu ABUGU, Enemuo IJEOMA, Okeke Somadina Nnamdi, Ogbuokiri Doris K, Okeke Henry Kachikwuru, Ekoh Augustine Alobu, Benedict Nzube Obinwa, Chinyere Elizabeth Eze, Nwaefulu Kester Eluemunor, Sobanke A. Omolara, Chidinma Ifeyinwa Mmaju, Okafor Anulika Jacinta, Chuka-Onwuokwu Ngozi Cynthia, Ejiogu Ikedichukwu Chibueze, Nwoko Sebastine Okechukwu, Wuraola Serah Nnaemeka, Ebi Victory Chinecherem, Agu Augustine Uchenna, Ugwu Augustus Uchenna, Nwodo Ndubuisi Francis, Elemuo Chukwuebuka Stanley, Agbai Johnson Ukwa, Muorah Chinecherem Onyekachi & Ozoemena Chiadikobi Lawrence · International Neuropsychiatric Disease Journal · 2026

The amygdala, a major limbic structure, regulates emotional response, anxiety, and memory formation. Methamphetamine is known to trigger oxidative stress and neurodegeneration, whereas vitamin A possesses potent antioxidant properties that may offer neuroprotection. This study ev...

Open access Research Article 10.9734/indj/2026/v23i5578

Neuroprotective Effect of Low-Dose of Vitamin A on the Prefrontal Cortex of Methamphetamine Induced Adult Male Wistar Rats

Ezejindu Damian NNABUIHE, Alozie Osinachi Prince, Onyebu Chidinma Emilia, Udodi Sopuluchukwu Princewill, Enemuo IJEOMA, Okeke Somadina Nnamdi, K. Ogbuokiri Doris, Okeke Henry Kachikwuru, Ekoh Augustine Alobu, Nwaefulu Kester Eluemunor, Sobanke A. Omolara, Chidinma Ifeyinwa Mmaju, Okafor Anulika Jacinta, Chuka-Onwuokwu Ngozi Cynthia, Ejiogu Ikedichukwu Chibueze, Nwoko Sebastine Okechukwu, Wuraola Serah Nnaemeka, Ebi Victory Chinecherem, Agu Augustine Uchenna, Ugwu Augustus Uchenna & Nwodo Ndubuisi Francis · Asian Journal of Research and Reports in Neurology · 2026

Methamphetamine is a potent psychostimulant known to induce oxidative stress and neurodegeneration, particularly in the prefrontal cortex, which is responsible for executive and cognitive functions. Vitamin A, an essential antioxidant, may offer neuroprotection by modulating oxid...

Open access Research Article 10.9734/ajorrin/2026/v9i1178