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  1. There have been suggestions that hematologic abnormalities in COVID-19 are linked with the progression and severity of diseases and mortality. Lymphopenia, sepsis, and thrombocytopenia were highly reported in ...

    Authors: Olufemi S. Amoo, Ngozi Onyia, Tochukwu I. Onuigbo, Stephanie U. Vitalis, Olabisi F. Davies-Bolorunduro, Joy I. Oraegbu, Esther T. Adeniji, Josephine C. Obi, Olusola N. Abodunrin, Amaka S. Ikemefuna, Richard A. Adegbola, Rosemary A. Audu and Babatunde L. Salako
    Citation: Bulletin of the National Research Centre 2022 46:275
  2. This study evaluated the effects of chitosan nanoparticles (Ch-NPs) on indoxacarb (INDOX)-induced pulmonary fibrosis in in vivo and in vitro models. In in vivo studies, 40 male albino rats were randomly divide...

    Authors: Naglaa A. Ali, Mohamed S. Kishta, Mohamed Fekry and Safaa H. Mohamed
    Citation: Bulletin of the National Research Centre 2022 46:274
  3. Wandering spleen is a rare condition, which is characterized by augmented mobility of the spleen, due to congenital or acquired causes. It is more frequent in multiparous women, but only a few cases are report...

    Authors: Lorenzo Crepaz, Alberto Di Leo, Giuseppe Borzellino, Paola Pomini and Michele Genna
    Citation: Bulletin of the National Research Centre 2022 46:273
  4. Metabolic syndrome (MetS) and breast cancer (BC) are closely related and need more clarification. In clinical practice, the early diagnosis of BC is the most crucial issue. The current study aimed to investiga...

    Authors: Walaa S. Mahmoud, Osama M. Azmy, Mohammed Abu-Elghait, Mohammed Mohammed Mohammed Gomaa, Ibrahim El Tantawy El Sayed, Doaa Y. Hammad, Mahmoud M. Kamel, Eslam M. Abdelqader and Walaa Yousef
    Citation: Bulletin of the National Research Centre 2022 46:272
  5. In Africa, data on viral suppression among human immunodeficiency virus (HIV)-positive children and adolescents on antiretroviral (ART) are scarce. This study aimed to determine determinants of HIV viral load ...

    Authors: Ruth Daniel Mchomvu, Ally Kassim Hussein and Mecky Matee
    Citation: Bulletin of the National Research Centre 2022 46:271
  6. To evaluate the usefulness of fresh onion (Allium cepa L.) leaves, a food waste, as a new food resource, we characterized the taste characteristics, volatile compounds, sensory properties, and antioxidant activit...

    Authors: Masahiro Yuasa, Mayuko Ueno, Koji Kawabeta, Maho Morikawa, Momoe Uemura, Tetsuhiro Matsuzawa and Mihoko Tominaga
    Citation: Bulletin of the National Research Centre 2022 46:270
  7. Blumenbachia insignis is a plant native to Brazil, Uruguay, and Argentina. It is used as an ornamental plant for its flowers, but also, in popular medicine, the stems and leaves are used as antirheumatic agents. ...

    Authors: Maria Florencia Fangio, Gonzalo Burgos Herrera, Sandra Medici, Francisco Cardinali and Cristina Lujan Ramirez
    Citation: Bulletin of the National Research Centre 2022 46:269
  8. With regard to the extensive production of genetically modified organisms, scientists focused on the safety of antibiotic resistance marker (ARM) genes present in GM-crops produced for the consumption of human...

    Authors: Hanaa Abdel-Sadek Oraby, Nadia Aboul-Ftooh Aboul-Maaty, Hayam Ahmad Al-Sharawi and Noha Mohamed Osman
    Citation: Bulletin of the National Research Centre 2022 46:268
  9. Several reports of unheeded complications secondary to the current mass international rollout of SARS-COV-2 vaccines, one of which is myocarditis occurring with the FDA fully approved vaccine, Pfizer, and others.

    Authors: Antoine AbdelMassih, Hala Agha, Sonia El-Saiedi, Amal El-Sisi, Meryam El Shershaby, Hanya Gaber, Habiba-Allah Ismail, Nadine El-Husseiny, Abeer Reda Amin, Aly ElBoraie, Aya Ayad, Esraa Menshawey, Fady Sefein, Ibrahim Ihab Osman, Mai Moursi, Maram Hanafy…
    Citation: Bulletin of the National Research Centre 2022 46:267
  10. World Wide Web and scientific literature record information regarding several organelles and mitochondria is not an exception. However, currently mitochondrial databases also provide information about non-mito...

    Authors: Deepak Yadav, Bharti Thakur, Deepak Kumar, Sheemona Chowdhary, Rajasri Bhattacharyya and Dibyajyoti Banerjee
    Citation: Bulletin of the National Research Centre 2022 46:266
  11. We present the clinical, MRI and CT findings in a case of a new mitochondrial genome mutation (tRNA arginine gene), characterized by brain calcifications which are indicative of Kearns–Sayre syndrome (KSS). So...

    Authors: Paolo La Montanara, Annamaria Albergo, Roberto Castellana, Concetta Fiorentini, Caterina Romano, Annalisa Rossiello, Moritz Steinruecke and Giuseppe Vella
    Citation: Bulletin of the National Research Centre 2022 46:265
  12. Left ventricular (LV) apical aneurysm associated with aortic valve stenosis (AS) is very rare. We herein report two cases of this entity.

    Authors: Yuichi Koga, Keiji Kamohara, Eijiro Nogami, Kouta Shimauchi, Yuki Takeuchi, Motonori Uchino, Hiroyuki Morokuma, Shugo Koga and Junji Yunoki
    Citation: Bulletin of the National Research Centre 2022 46:264
  13. Highly active antiretroviral drug therapy (HAART) remains the only officially available option for the management of human immunodeficiency virus (HIV) infection at designated medical institutions in Nigeria. ...

    Authors: Success E. A. Ademuyiwa, Ibrahim Olabayode Saliu, Busuyi Kolade Akinola, Afolabi Clement Akinmoladun, Mary Tolulope Olaleye, Adewole I. Ademuyiwa and Afolabi Akintunde Akindahunsi
    Citation: Bulletin of the National Research Centre 2022 46:263
  14. Schizophrenia, a chronic mental disorder, has been recognized as one of the heritable diseases with an increased level of dopamine neurotransmitter. Monoamine oxidase A (MAOA) plays a vital role in the catabol...

    Authors: Maral Mardani Moghanaki, Zahra Noormohammadi, Iman Salahshourifar and Niloufar Mahdavi Hazaveh
    Citation: Bulletin of the National Research Centre 2022 46:262
  15. Vaccine acceptance varies across countries, generations, and the perceived personality of individuals. Investigating the knowledge, beliefs, and acceptability of COVID-19 vaccines among individuals is vital to...

    Authors: Abdullah Alkattan, Nashwa Radwan, Nagla Mahmoud, Ahmed Alkhalifah, Ammar Alshamlan, Abdullah Alkamis, Amal Alfaifi, Wedad Alanazi, Amjad Alfaleh, Alhan Haji and Khaled Alabdulkareem
    Citation: Bulletin of the National Research Centre 2022 46:260
  16. Cancer refers to a group of diseases characterized by the development of abnormal cells that divide uncontrollably and have the ability to infiltrate and destroy normal body tissue. Worldwide, it is the second...

    Authors: Anandakumar Pandi and Vanitha Manickam Kalappan
    Citation: Bulletin of the National Research Centre 2022 46:259
  17. The high amount of soluble carbohydrates and the reduced dry matter content in cactus pear can cause excessive fermentation, resulting in nutrient losses, when it is preserved in the silage form. Thus, the ass...

    Authors: Diego de Sousa Cunha, Jessica Maria da Conceição da Silva Rodrigues, Claudenilde de Jesus Pinheiro Costa, Raquel da Silva Lima, Cleyton de Almeida Araújo, Getúlio Figueiredo de Oliveira, Fleming Sena Campos, André Luiz Rodrigues Magalhães, Gherman Garcia Leal de Araújo and Glayciane Costa Gois
    Citation: Bulletin of the National Research Centre 2022 46:257
  18. Cytochrome P450 monooxygenases (CYPs) are exciting biocatalysts that catalyzes diverse regio- and stereoselective reactions of a broad range of substrates. The cytochrome P450 genes (CYPomes) of a chronically ...

    Authors: Lateef Babatunde Salam, Oluwafemi Sunday Obayori, Mathew Olusoji Ilori and Olukayode Oladipo Amund
    Citation: Bulletin of the National Research Centre 2022 46:256
  19. To protect the global population from the ongoing COVID-19 pandemic caused by the severe acute respiratory β-coronavirus 2 (SARS-CoV-2), a number of vaccines are currently being used in three dosages (i.e., al...

    Authors: Rashed Noor
    Citation: Bulletin of the National Research Centre 2022 46:255
  20. Acute toxicity (LD50) test provides an indication on the range of doses of a substance that could be toxic to the body systems. This study was aimed at determining the LD50 of different extracts of Bombax costatu...

    Authors: Abubakar M. Bello, Ibrahim S. Malgwi, Salami H. Adegoke, Abdulwasi’u Abubakar, Bilal M. Ibrahim and Samaila M. Chiroma
    Citation: Bulletin of the National Research Centre 2022 46:254
  21. The role of esophagogastroduodenoscopy (EGD) in screening for varices in patients with cirrhosis is well established. However, it is unknown how insurance status impacts the rate of variceal screening. Therefo...

    Authors: Tomas Lucioni, Cambridge Hines, Lauren Witek and Jared Rejeski
    Citation: Bulletin of the National Research Centre 2022 46:253
  22. The unbalanced gut microbiota, poorly ingested enriched fiber foods, leaky gut is connected to the progression of chronic kidney disease (CKD). The leaky gut translocates uremic toxins to the systemic circulat...

    Authors: Bataa M. El-Kafoury, Nermine K. Saleh, M. K. Shawky, Nayra Mehanna, Elsayed Ghonamy and Dalia A. Saad
    Citation: Bulletin of the National Research Centre 2022 46:252
  23. The Pelvic Pain and Urgency/Frequency Patient Symptom Scale is a screening tool used to diagnose patients with chronic pelvic pain. Numerous articles demonstrated the efficacy of the Pelvic Pain and Urgency/Fr...

    Authors: Badr Rafi, Anmar Nassir, Abdulaziz Baazeem, Abdullah A. Almalki and Faisal Mandourah
    Citation: Bulletin of the National Research Centre 2022 46:251
  24. The study examined the effects of dietary supplementation of Syzygium aromaticum leaf meal (SLM) on the haematology, serum biochemistry and antioxidative status of laying hens.

    Authors: Olufemi Adesanya Adu, Imoleayo Sarah Olateju, Adeniyi David Samuel and Francis Ayodeji Gbore
    Citation: Bulletin of the National Research Centre 2022 46:250
  25. Breast cancer is the world's second leading cause of death in women. The problem of chemoresistance in breast cancer is proving to be a challenge for researchers and several oncologists all around the world. C...

    Authors: Dayanand Swami, Shafina Siddiqui, Urwashi Kumar, Shine Devarajan and Jyotirmoi Aich
    Citation: Bulletin of the National Research Centre 2022 46:249
  26. The global freshwater shortage is an important issue threatening the sustainable development of agriculture and food security. A field study was conducted in two seasons, i.e., 2019 and 2020, in the newly recl...

    Authors: Ahmed Salah Mohamed Morsy and Hani Mohamed Mehanna
    Citation: Bulletin of the National Research Centre 2022 46:248
  27. Arterial tortuosity syndrome (ATS) (OMIM #208050) is a very rare autosomal recessive connective tissue disease characterized by elongation, tortuosity, and predisposition of aneurysms formation in medium and l...

    Authors: Daniel Palanca Arias, Ariadna Ayerza Casas, Marcos Clavero Adell, Cristina Gutiérrez Alonso, Marta López Ramón, Lorenzo Jiménez Montañés, Victoria Estaben Boldova and Silvia Izquierdo-Álvarez
    Citation: Bulletin of the National Research Centre 2022 46:247
  28. Pre-dental students’ perception and awareness about current technology in dentistry can influence their motivation and maturity during the learning experience and affect their dental education outcome. This ob...

    Authors: Lina Sharab, Mohamed Adel, Rahaf Abualsoud, Brandi Hall, Suheil Albaree, Reny de Leeuw and Ahmad Kutkut
    Citation: Bulletin of the National Research Centre 2022 46:246
  29. The scale insect, Parlatoria ziziphi (Lucas) (Diaspididae: Hemiptera), is one of the most serious insects in citrus orchards in Egypt. The efficiency of two different formulation types (emulsifiable concentrates ...

    Authors: Nahed Fawzy Abdel-Aziz, Hamdy Abdel-Naby Salem, Ahmed Mohamed El-Bakry and Elham Ahmed Sammour
    Citation: Bulletin of the National Research Centre 2022 46:244
  30. The plant Laggera aurita (Asteraceae) is a commonly utilized medicinal plant growing as a weed in African countries used in the treatment of many diseases. Besides, several phytochemical and pharmacological studi...

    Authors: Sa’adatu Muhammad Julde, Safiya Bala Borodo, Abubakar Sadiq Wada, Mubarak Hussaini Ahmad, Sani Malami and Lawal Alhassan Bichi
    Citation: Bulletin of the National Research Centre 2022 46:243
  31. Multiple myeloma (MM) is characterized by infiltration of neoplastic plasma cells in the bone marrow. Although many novel agents have been developed in the last decade, MM remains a non-curable disease. The as...

    Authors: Esma Evrim Dogan, Aysenur Arslan, Naciye Demirel, Demet Aydin, Ilknur Mansuroglu, Suheyla Atak, Fatma Keklik Karadag, Rafet Eren and Guray Saydam
    Citation: Bulletin of the National Research Centre 2022 46:242
  32. Oral potentially malignant lesions (OPML) are suspicious lesions that may turn into malignancy according to the degree of dysplasia. Early diagnosis of these lesions allows their treatment before malignant tra...

    Authors: Heba E. Tarek, Heba N. Shalash, Reham A. A. Morsy, Basma Mostafa, Mirhane Hassan, Rania M. Abbas and Marwa M. Ellithy
    Citation: Bulletin of the National Research Centre 2022 46:241
  33. Several studies have investigated sleep disorders in the general population. However, a few studies were conducted among the working population and none among the Egyptian workers. We aimed to assess the preva...

    Authors: Ehab Salah Eshak
    Citation: Bulletin of the National Research Centre 2022 46:240
  34. Acute Leukaemias are haematological disorders characterised by the proliferation of immature white blood cells in the bone marrow and/or peripheral blood. Oral manifestations of leukaemia are common and may be...

    Authors: Fabienne Aurora, Anita Arasaretnam and Andrew Hobkirk
    Citation: Bulletin of the National Research Centre 2022 46:239
  35. The study of sorption isotherm is the most important for prediction of shelf life, selection of packaging materials, drying characteristics, etc., of any food and agricultural materials. Gum is hygroscopic in ...

    Authors: Shristi Shefali Saraugi, Shadanan Patel, Chandrahas Sahu, Prashant S. Pisalkar, Pooja Sahu and Dharmendra Khokhar
    Citation: Bulletin of the National Research Centre 2022 46:238
  36. Karaya gum is heavily acetylated polysaccharide and used for medicinal purposes as a bulk-forming laxative. It is also used in the paper and textile industries as well as food stabilizer. So its moisture sorpt...

    Authors: Shristi Shefali Saraugi, Shadanan Patel, Chandrahas Sahu and Dharmendra Khokhar
    Citation: Bulletin of the National Research Centre 2022 46:237
  37. Technology is deployed to take the advantage of the ultimate energy from the sun (solar energy) to be used as heat or clean electricity. This energy is classified as “sustainable energy” or “renewable energy” ...

    Authors: Williams S. Ebhota and Pavel Y. Tabakov
    Citation: Bulletin of the National Research Centre 2022 46:236
  38. The surgical ciliated cyst of the maxilla was initially reported as a sequela of Caldwell–Luc type open maxillary sinus procedures. Recently, other etiologies have become apparent and cases have been reported ...

    Authors: James C. Gates, Daniel I. Taub, Elliot Cherkas, Madalina Tuluc and Lionel Gold
    Citation: Bulletin of the National Research Centre 2022 46:235
  39. In an attempt to prove biological activity enhancement upon escalating the cellular uptake response through ligand and carrier-based via nanoframework, gallic acid was chosen to be formulated into PLGA-based p...

    Authors: V. Sandhiya and U. Ubaidulla
    Citation: Bulletin of the National Research Centre 2022 46:234
  40. While dromedary camels (Camelus dromedarius) were traditionally believed to be resistant to most livestock diseases, research has demonstrated that they are susceptible to a large number of infectious agents. Bas...

    Authors: Bareda Diba, Benti Deresa Gelalcha, Birhanu Ayele, Bedane Adane and Paul J. Plummer
    Citation: Bulletin of the National Research Centre 2022 46:233
  41. Misuse of analysis of variance alongside other statistical methods has been an important topic of discussion in many scientific gatherings. Although misuse of analysis of variance is of global concern, its pre...

    Authors: Bilyaminu Abubakar, Yaaqub Abiodun Uthman, Abubakar Ibrahim Jatau, Abubakar Danbatta, Hafsat Nasidi Nuhu and Mohammed Mustapha
    Citation: Bulletin of the National Research Centre 2022 46:232
  42. Childhood pneumonia is the commonest cause of suffering worldwide. Among under-five children where it accounts for more than one out of seven under-five death globally. It is the single leading cause of death ...

    Authors: Leweyehu Alemaw Mengstie
    Citation: Bulletin of the National Research Centre 2022 46:231
  43. The continuous increase in the resistance of pathogenic bacteria to antimicrobial agents elicits a source of concern for public health. Developing a method that allows for swift evaluation of the antibiotic se...

    Authors: Olamide Joshua Babatunde, Ayomide Faith Okiti, Michael Tosin Bayode, Samson Oloruntola Babatunde and Ayo Mercy Olaniran
    Citation: Bulletin of the National Research Centre 2022 46:230
  44. The production of a good quality chest radiograph depends on the selection of appropriate kilovoltage and current–time product while keeping the radiation dose to patients as low as possible. This study assess...

    Authors: Emmanuel O. Esien-umo, Ndubuisi O. Chiaghanam, Akwa E. Erim, Michael Effa and Nneoyi O. Egbe
    Citation: Bulletin of the National Research Centre 2022 46:229
  45. During the mushroom production process, about one-fifth of the mushroom gets lost. The mushroom residues (MR) are rich in nutrients and can be utilized in diverse applications. Therefore, the goal of this rese...

    Authors: Mariam A. Amer, El-Sayed A. E. Ali and Victor M. Dawood
    Citation: Bulletin of the National Research Centre 2022 46:228
  46. The present title is aiming to study the effects of trachyte additions on the sinterability of the ceramic tiles. Four batches were designed with different trachyte/clay ratios from 10 to 40% and 3% of bentonite.

    Authors: A. I. M. Ismail, M. S. Elmaghraby and B. N. A. Shalaby
    Citation: Bulletin of the National Research Centre 2022 46:226
  47. Pirin, a member of the cupin superfamily, is an iron-binding non-heme protein. It acts as a coregulator of several transcription factors, especially the members of NFκB transcription factor family. Based on th...

    Authors: Auroni Semonti Khan, Nahid Parvez, Tamim Ahsan, Sabrina Samad Shoily and Abu Ashfaqur Sajib
    Citation: Bulletin of the National Research Centre 2022 46:225

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