Category Archives: b_original_articles

Original Articles

Development and in vitro evaluation of tamoxifen and doxycycline loaded lipid-polymer hybrid nanoparticles for anticancer therapy

Qurat ul Ain1, Muhammad Adil Rasheed1*, Imran Tariq2, Muhammad Ovais Omer1, Muhammad Yasir Zahoor3

1Department of Pharmacology and Toxicology, Faculty of Biosciences, University of Veterinary and Animal Sciences, Lahore, Pakistan

2Punjab University College of Pharmacy, University of the Punjab, Lahore, 54000, Pakistan

3Institute of Biochemistry and Biotechnology, Faculty of Biosciences, University of Veterinary and Animal Sciences, Lahore, Pakistan

 

*Corresponding author’s email: dr_aadil@uvas.edu.pk

Received: 06 December 2024 / Accepted: 11 March 2025 / Published Online: 25 March 2025

 

Abstract

 

Lipid-polymer hybrid nanoparticles (LPHNPs) are innovative composite structures featuring a core-shell design, with a polymeric nanoparticle core surrounded by PEGylated lipid layers. This architecture combines liposome circulation with nanoparticle strength, offering a promising solution for multidrug-resistant cancers. The current study aimed to develop an integrated platform that leverages these advantageous characteristics. To achieve this, Tamoxifen-loaded nanoparticles were formulated using emulsion solvent evaporation technique with PLGA poly (lactic-co-glycolic) acid polymer, while Doxycycline-containing liposomes were developed through a film hydration method. These two components were then combined to fabricate LPHNPs. A range of physicochemical and structural analyses, including dynamic light scattering (DLS), laser diffraction analysis (LDA), and scanning electron microscopy (SEM), were performed. Cellular cytotoxicity was quantitatively assessed using the MTT assay, and biocompatibility was evaluated through in vivo acute toxicity tests on female albino mice. The average hydrodynamic sizes of Tamoxifen and Doxycycline formulations were 198.80 ± 2.10 nm and 100.5 ± 1.29 nm, respectively. After coating Tamoxifen nanoparticles with Doxycycline liposomes, resultant LPHNPs exhibited a diameter of 200.4 ± 2.51 nm and a zeta potential of 4.45 ± 2.51 mV. Notably, LPHNPs demonstrated a significant increase in cytotoxicity (p < 0.001) and showed reduced in vivo toxicity compared to free drugs, with no discernible toxicity observed in histopathology of vital organs, confirming their safety and efficacy.

 

Keywords: Cytotoxicity, Tamoxifen, Doxycycline, Nanoparticles, Cancer

Shading effects on Tacca (Tacca leontopetaloides L. Kuntze) agronomy and metabolites: Implications for cultivation strategies

Wardah Wardah1, Ridwan Ridwan2*, Marwan Setiawan1, Riska Ayu Purnamasari1, Asep Sadili1, Siti Sundari1, Emma Sri Kuncari1, Dini Ariani3, Parwa Oryzanti1, Gusmaini2, Dibyo Pranowo2, Handi Supriadi2, Tintin Febrianti4

1 Research Center for Ecology and Ethnobiology, National Research and Innovation Agency, Indonesia

2 Research Center for Estate Crops, National Research and Innovation Agency, Indonesia

3 Research Center for Food Technology and Processing, National Research and Innovation Agency, Indonesia

4 Faculty of Agriculture, Garut University, Indonesia

 

*Corresponding author’s email: ridw009@brin.go.id

Received: 17 July 2024 / Accepted:28 February 2025 / Published Online: 18 March 2025

 

Abstract

 

Tacca (Tacca leontopetaloides (L.) Kuntze) is a tuberous plant commonly growing in coastal areas, both in open and shaded areas. This study aimed to identify the agronomical characteristics and metabolite content of Tacca growing under various levels of natural shading. The research was conducted in the southern coastal area of Garut Regency (West of Java-Indonesia) by observing the plant growth and production, and metabolite content of Tacca tubers under conditions of natural full sunlight (0% shade/FL), moderate shade (40% shade/MS), and heavy shade (75% shades/HS) in three different locations as replications. Three mature plants (±7 months old) in each shade level and replication were randomly selected as observed samples. The result presented that Tacca’s growth increased with the increasing shading levels. Nonetheless, tuber production showed the highest value under MS, which increased by 76.64% and 35.20% compared to FL and HS, respectively. Fourteen metabolites were detected in Tacca tuber grown in MS and FL, while only eight metabolites were detected in HS. The highest concentration of the metabolites obtained in MS were 8 metabolites (57%) and followed by FL and HS with 3 (21%) and 1 metabolite (7%), respectively. Moderately shaded areas have great potential to be used as cultivation land to produce high-quality Tacca tubers.

 

Keywords: Coastal area, Light intensity, Metabolites, Shading

Potential toxicity and mechanistic insights into organ-specific damage induced by iron oxide nanoparticles in Oryctolagus cuniculus

Muhammad Shahid Khan1, Tariq Hussain2, Saeed Ahmad Buzdar3, Muhammad Raza Hameed4, Muhammad Taslim Ghori5, Aliza Maheen6, Nadeem Ali7, Beenish Imtiaz8, Muhammad Rafi Qamar5, Ahmed Saleh Summan9, Arooj Ali3*, Rashid Iqbal10, Riaz Hussain11*

1Department of Physics, University of Okara, Pakistan

2Department of Basic Sciences, College of Veterinary and Animal Science, Jhang, Pakistan

3Institute of Physics, Faculty of Physical and Mathematical Sciences, The Islamia University, Bahawalpur 63100, Pakistan 4Department of Pathobiology, Faculty of Veterinary Sciences, Bahauddin Zakariya University Multan Pakistan 5Department of Clinical Medicine and Surgery, Faculty of Veterinary & Animal Sciences, The Islamia University of Bahawalpur, 63100, Pakistan

6Department of Zoology, The Islamia University of Bahawalpur, 63100, Pakistan

7Centre of Excellence in Environmental Studies, King Abdulaziz University, Jeddah, Saudi Arabia

8Department of Animal Nutrition and Nutritional Disease, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Türkiye

9Faculty of Environmental Sciences, King Abdulaziz University, Jeddah, Saudi Arabia

10Department of Life Sciences, Western Caspian University, Baku, Azerbaijan

11Department of Pathology, Faculty of Veterinary & Animal Sciences, The Islamia University of Bahawalpur, 63100, Pakistan

 

*Corresponding authors’ emails: aroojali4088@gmail.com; dr.riaz.hussain@iub.edu.pk

Received: 28 September 2024 / Accepted: 22 January 2025 / Published Online: 06 March 2025

 

Abstract

Vibrating sample magnetometry (VSM), transmission electron microscopy (TEM), and X-ray diffraction (XRD) were used to characterize iron oxide nanoparticles (IONPs) synthesized via co-precipitation. TEM showed that the synthesized NPs had an average size of 13.8 nm and exhibited a saturation magnetization of 50.26 emu/gm, while XRD confirmed their crystallinity. This study assessed the toxicological impacts of IONPs on hematology, serum biochemistry, genotoxicity, and the histoarchitecture ailments in different visceral organs (liver, kidneys, spleen, brain, and heart of rabbits (Oryctolagus cuniculus). A total of 16 healthy adult rabbits without infections were randomly assigned to two groups (A and B). Group A was the control whereas group B received 0.5 mg/kg bw of IONP dose once for 10 days via marginal ear vein. Visceral tissues and blood were obtained from each rabbit on days 5 and 10 of trial. The results showed a significant reduction in antioxidant enzymes and an increase in oxidative stress. The hematological profile indicated lower values of red blood cell counts, hematocrit, lymphocyte, and monocyte while significantly higher values of total white blood cell counts and neutrophil (%) in IONPs-treated rabbits. Serum biomarkers of the liver, kidneys, and heart exhibited escalated concentrations in IONPs-treated rabbits. Histopathological examination revealed notable tissue alterations like necrosis of hepatocyte, congestion, and bile duct hyperplasia in the liver, neuronal degeneration, necrosis, and microgliosis in the brain, tubular degeneration, necrosis, and congestion in the kidneys and disorganization of cardiac myofibers and edema in cardiac tissue. A significantly increased DNA damage was assessed in multiple visceral organs of treated rabbits. In conclusion, our findings demonstrate that exposure to IONPs induces toxic effects in multiple visceral organs including the kidneys, liver, spleen, heart, and brain in rabbits.

 

Keywords: Magnetic Oxide nanoparticles (MNPs), VSM, ROS production, Hemato-biochemistry, DNA Damage, Histopathology

Molecular characterization of shisham dieback-associated fungal isolates across the Punjab Province, Pakistan

Ummul Buneen Zafar1,2, Iqrar Ahmad Rana1,2*, Sultan Habib Ullah Khan1,2, Rana Muhammad Atif 1,3

1Center of Agricultural Biotechnology and Biochemistry, University of Agriculture, Faisalabad, Pakistan

2Center for Advanced Studies in Agriculture and Food Security, University of Agriculture, Faisalabad, Pakistan

3Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan

 

*Corresponding author’s email: iqrar_rana@uaf.edu.pk

Received: 30 July 2024 / Accepted: 05 February 2025 / Published Online: 06 March 2025

 

Abstract

 

The Shisham (Dalbergia sissoo) population is threatened by the fungal pathogens causing dieback disease. Research over the past decade has shown the involvement of multiple fungal pathogens in causing the dieback disease. Here we reported the RAPD-PCR-based genetic diversity in three potential fungal pathogens including Botrydiplodia theobromae, Fusarium solani, and F. oxysporum isolated from diseased plants across the Punjab province in Pakistan. Twenty fungal isolates of three major fungal species were isolated from dieback-infected trees from eight districts in Punjab Pakistan to investigate the genetic diversity with a set of fifteen RAPD markers of OPB, OPK, and OPL series.  Consequently, fifteen markers produced 166 loci with an average of 55.33 loci per population. Of these, 76.31% loci were polymorphic highlighting the presence of abundant genetic diversity in pathogens. Moreover, OPK-06 primer showed a higher PIC value of 0.416 along with higher heterozygosity contents of 0.49. However, population structure analysis of each fungal strain grouped similar and dissimilar ones based on their amplification into the same and different clusters respectively. The isolates of B. theobromae of the Ayub Agriculture Research Institute (AARI) and Attock district showed higher genetic distance (0.6812) and were found in different clusters. Similarly, isolates of F. solani from UAF formed a different group which further highlighted its degree of polymorphism. Moreover, the UAF isolate displayed a maximum of 0.6432 genetic distance from the AARI isolate. Conversely, the isolates of F. oxysporum were grouped into two main groups highlighting the limited genetic diversity. Further, isolates from UAF also exhibited a maximum of 0.7372 genetic distance from AARI. Consistent results of UAF and AARI isolates of F. oxysporum and F. solani are suitable grounds for further genetic studies.

 

Keywords: Fusarium oxysporum, RAPD, Botrydiplodia theobromae, Fusarium solani, Dieback, Pathogens

In silico identification and characterization of potent laccase inhibitors against Cryptococcus neoformans: A multi-scale computational study

Muharib Alruwaili1*†, Sonia Younas 2,3†, Muhammad Umer Khan4*, Hammad Saleem5, Yasir Alruwaili1,6, Abualgasim Elgaili Abdalla1, Bi Bi Zainab Mazhari7, Khalid Abosalif1, Hasan Ejaz1

1Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia

2Centre for Immunology and Infection (C2i), Hong Kong Science and Technology Park, Hong Kong, SAR China

3HKU-Pasteur Research Pole, School of Public Health, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China

4Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, 54590, Pakistan

5Institute of Pharmaceutical Sciences (IPS), University of Veterinary & Animal Sciences (UVAS), Lahore, Pakistan

6Sustainable Development Research and Innovation Center, Deanship of Graduate Studies and Scientific Research, Jouf University, Sakaka 72388, Saudi Arabia

7Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Qurayyat 75911, Saudi Arabia

 

These authors contributed equally

*Corresponding authors’ emails: mfalrwaili@ju.edu.sa; muhammad.umer4@mlt.uol.edu.pk

Received: 30 November 2024 / Accepted: 27 January 2025 / Published Online: 06 March 2025

 

Abstract

 

Cryptococcus neoformans is an opportunistic fungal pathogen, especially affecting individuals with weakened immune systems. Laccase enzymes are pivotal in its pathogenicity, making them promising targets for therapeutic intervention. This study aims to identify and characterize potent laccase inhibitors against C. neoformans using advanced in-silico analysis. The laccase protein (UniProt ID: Q55P57) was retrieved via AlphaFold and validated with ProCheck. Pharmacophore-based virtual screening (PBVS) identified 19 potential inhibitors, which were docked using CB-Dock2. The top six compound’s pharmacokinetic properties were assessed using SwissADME, PKCSM, and StopTox. Bioactivity was predicted via SwissTargetPrediction. Density Functional Theory (DFT) calculations were conducted using Gauss view 5.0.8. The validated 3D structure of the target protein Q55P57 demonstrated high quality, with 86.5% of residues in favored regions. The molecular docking revealed that L-11 exhibited the highest binding affinity (-13.2 kcal/mol), forming crucial interactions within the active site. L-11 displayed favorable physicochemical properties, including high lipophilicity and good Caco2 permeability, positioning it as a strong candidate for therapeutic development. Toxicity predictions indicated non-toxicity for acute inhalation and oral exposure, while bioactivity analysis highlighted its broad target interactions. DFT analysis demonstrated L-11’s enhanced reactivity due to its high dipole moment and low HOMO-LUMO energy gap. The identification of L-11  (8-[4-[9,9-Dimethyl-7-(2,3,4,5,6,7,8,9,10-nonahydroxypyren-1-yl)fluoren-2-yl]phenyl]pyrene-1,2,3,4,5,6,7,9,10-nonol) as a potent inhibitor of C. neoformans laccase represents a novel approach to antifungal drug discovery, marking a significant step to combat fungal infections and a way forward to perform in-vitro and in-vivo studies and ultimately its clinical application.

 

Keywords: C. neoformans, Ellagic acid, Laccase inhibitor, Molecular docking, ADMET, Antifungal

An RT-RPA–CRISPR/Cas12a-based assay for robust sexual Identification of dioecious plants

Mohei EL-Din Solliman1*, Heba Allah A. Mohasseb1

1Plant Biotechnology Department, College of Agricultural and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia.

 

*Corresponding author’s email: msolliman@kfu.edu.sa

Received: 01 December 2024 / Accepted: 23 January 2025 / Published Online: 22 February 2025

 

Abstract

 

Dioecious plants, like Date palm (Phoenix dactylifera) and Jojoba (Simmondsia chinensis), are a type of plant that do not have sexual identification in the same way that animals or humans do. Sexual identification in plants typically involves determining the sex of individual plants within a dioecious species. Date palms and jojoba are dioecious, with male and female trees, and their sexual identification is important in agriculture for proper pollination, but until now it doesn’t involve methods like RPA (Recombinase Polymerase Amplification) or CRISPR. We successfully developed a CRISPR/Cas12a-based fluorescence test for the sexual identification of date palm and jojoba as models for dioecious, with RPA and CRISPR-Cas12a, which could be used as a simple, accurate, and fast detection method in agricultural fields due to its advantages of high-sensitivity. This investigation uses our proprietary technology to detect sub-kilobase non-repetitive genomic loci, CRISPR-FISH. In this study, we designed 16 different sgRNAs using full-length Human SRY as the substitute target in date palm and jojoba, given the extremely high homology between Human SRY and Date Palm SRY gene. These sgRNAs were labeled them 3 Atto565 dyes per sgRNA to visualize them at a single-cell level. Fluorescence in situ hybridization (FISH) has been employed as a potent and practical method for directly identifying certain DNA segments inside the genome. In this method, plant chromosomes are physically mapped using ribosomal DNA genes (45S and 5S rDNA) as markers to examine genomic organization. The initial result for SRY staining in a substitute cell line, the Human A549 cell, a male cell line containing a single copy of SRY was promising albeit with high background staining. Prominent dots (red) in the nuclei region were observed, but with high background staining in both nuclei and cytosol. This refined technique is perfect for quickly localizing tiny DNA segments and single-copy genes. Additionally, PRINS is a quicker and less expensive option than FISH. Furthermore, the successful application of the assay for Sexual identification of some Dioecious plant samples highlighted its potential for rapid and accurate sex detection in agricultural settings. In summary, this RPA-CRISPR/Cas12a diagnostic method offers a potentially valuable technological solution and management for Dioecious plant sex-determination at very early stage.

 

Keywords: Dioecious plants, Date palm; Jojoba; female; male; sex determination; FISH; CRISPR/Cas12a, RPA-CRISPR/Cas12a

Taxonomic implication of nut diversity in selected Cyperaceae species of Pakistan

Iqra Shah1,2*, Muhammad Qasim Hayat1*, Umme Laila1, Saleem Haider1, Kaleem Ullah3, Beenish Anjum1, Madeeha Khan1, Alvina Gul1, Summya Malik1

1Plant Systematics and Evolution Laboratory, Department of Agricultural Sciences and Technology, Atta ur Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan

2Department of Plant Sciences, University of California, Davis, 95616, CA, USA

3Department of Biotechnology, Faculty of Science and Technology, University of Central Punjab, Lahore, Pakistan

 

*Corresponding author’s email: m.qasim@asab.nust.edu.pk; ishah.phdabs15asab@student.nust.edu.pk

Received: 21 July 2024 / Accepted: 27 January 2025 / Published Online: 22 February 2025

 

Abstract

 

Cyperaceae, commonly known as a sedge family, is widely distributed and is cosmopolitan, it is the third largest among the monocots. It has great ecological and ethnobotanical value but the taxonomic classification of the family at both morphological and molecular level is not much studied. The species resemble a lot and hence are very difficult to differentiate without proper identification. For the taxonomic implication of nut (one of the important parts of inflorescence) in plant identification, sixteen different sedge species were collected from various parts of the country. They were analyzed under stereo and scanning electron microscope to understand the differences among nut characters which help to differentiate among species of the same family. The three most important characteristics considered were Nut shape, size and color. All the species showed variation enabling identification easily. The surface of nut was also observed under the scanning electron microscope and showed great variation. Principal Component Analysis (PCA) was performed to check the impact of characters on the grouping of the species. Based on the results of this study, it can be said that nuts play a very important role in the identification and classification of the plant on a morphological and micromorphological basis.

 

Keywords: Sedges, Nut, Scanning Electron Microscopy, Stereomicroscopy, Micromorphology, PCA, UPGMA

Influence of grazing intensity and regime on soil nitrogen fixation dynamics in alpine grasslands

Ali Nawaz1,2, Muhammad Khalid Afzal3,4*

1School of Grassland Science, Beijing Forestry University, Beijing-100083, China

2Department of Agronomy, College of Agriculture, University of Sargodha-40100, Punjab, Pakistan

3College of Forestry, Beijing Forestry University, Beijing-100083, China

4Institute of Forest Sciences, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur-63100, Pakistan

 

*Corresponding author’s email: mkhalidafzal007@gmail.com

Received:15 November 2024 / Accepted: 27 January 2025 / Published Online: 22 February 2025

 

Abstract

 

The present study was conducted to investigate the influence of grazing intensity and management regimes on soil nitrogen cycling and related ecosystem processes in alpine grasslands. Rotational grazing (RG), characterized by alternating short grazing periods at high stocking densities with rest intervals, has been proven to be a practice that enhances herbage production and improves grassland resilience compared to continuous grazing (CG). Our results showed that Proteobacteria are the main ANF phylum under all grazing levels. Grassland sowing is a primary restoration means for heavily degraded alpine meadows on the Tibetan Plateau, but much less information is known about soil nutrient dynamics under such grazing regimes. This study evaluated topsoil nutrient levels (phosphorus, potassium, and nitrogen) and physical properties under three grazing intensities: light, moderate, and heavy. It was concluded that increasing grazing intensity elevated soil organic matter, temperature, and nutrient concentrations (nitrogen, potassium, and phosphorus) while reducing soil pH and water content. These findings demonstrate that intensity and regime of grazing significantly influence dynamics in soil nitrogen fixation processes.

 

Keywords: Grazing intensity, Rotational grazing, Grassland restoration, Alpine grasslands, Soil nitrogen fixation, Tibetan Plateau

Diversity, traditional uses, chromosome number, pollen, and leaf anatomy of the genus Hellenia in Ubon Ratchathani Province, Thailand

Piyaporn Saensouk1, Sombat Appamaraka2, Thawatphong Boonma2, Pimtida Niamngon3, Tawanon Niamngon4, Areerat Ragsasilp5, Sarayut Rakarcha6, Kamonwan Koompoot2, Ahmad Dwi Setyawan7,8, Arunrat Chaveerach9, Surapon Saensouk2*

1Diversity of Family Zingiberaceae and Vascular Plant for Its Applications Research Unit, Department of Biology, Faculty of Science, Mahasarakham University, Kantarawichai, Maha Sarakham, 44150, Thailand

2Diversity of Family Zingiberaceae and Vascular Plant for Its Applications Research Unit, Biodiversity Program,

Walai Rukhavej Botanical Research Institute, Mahasarakham University, Kantarawichai, Maha Sarakham, 44150, Thailand

3Diversity of Family Zingiberaceae and Vascular Plant for Its Applications Research Unit, MSU Science Park, Mahasarakham University, Kantarawichai, Maha Sarakham, 44150, Thailand

4Diversity of Family Zingiberaceae and Vascular Plant for Its Applications Research Unit, Faculty of Environment and Resource Studies, Mahasarakham University, Maha Sarakham 44150, Thailand

5Diversity of Family Zingiberaceae and Vascular Plant for Its Applications Research Unit, Program of Environmental and Resource Management, Faculty of Environment and Resource Studies, Mahasarakham University, Maha Sarakham 44150, Thailand

6Queen Sirikit Botanic Garden, The Botanical Garden Organization, Chiang Mai 50180, Thailand

7Department of Environmental Science, Faculty of Mathematics and Sciences, Universitas Sebelas Maret. Jl. Ir. Sutami 36A, Surakarta 57126, Central Java, Indonesia

8Biodiversity Research Group, Universitas Sebelas Maret. Jl. Ir. Sutami 36A, Surakarta 57126, Central Java, Indonesia

9Department of Biology, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand

*Corresponding author’s email: surapon.s@msu.ac.th

Received:15 October 2024 / Accepted: 27 January 2025 / Published Online: 22 February 2025

 

Abstract

 

The genus Hellenia (Costaceae) is noted for its taxonomic complexity and ecological significance. This study addresses the limited understanding of the genus in Northeastern Thailand by investigating species diversity, conservation status, traditional uses, chromosome number, pollen characteristics, and unique peeling leaf morphology in Ubon Ratchathani Province. Fieldwork and laboratory analyses conducted in 2023 identified two species, Hellenia lacera (Gagnep.) Govaerts and H. speciosa Hellenia lacera (J.Koenig) Govaerts, which differ in their growth patterns. Conservation assessments proposed to placed H. speciosa in the Least Concern (LC) category according to the International Union for Conservation of Nature (IUCN) criteria. The consistent diploid chromosome number (2n = 18) and unique pollen morphology offer important taxonomic insights. Additionally, the leaf morphology, marked by epidermal detachment, presents a new characteristic within the genus and may indicate ecological adaptations or evolutionary significance. These findings contribute to the understanding Hellenia’s biology and highlight its ecological and taxonomic relevance within the Costaceae family.

 

Keywords: Chromosomal structure, Conservation status, Costaceae family, Hellenia, Leaf anatomy, Pollen morphology, Species diversity, Taxonomy, Thailand, Traditional Uses, Ubon Ratchathani

Assessing the detrimental impact of varied doses of dietary ZnO nanoparticles on Tilapia niloticus: Implications for fish health

Sajid Raza Khan1, Rehana Iqbal1*, Muhammad Khalid1, Muhammad Mustafeez Ur Rehman2, Rabia Akram1, Muhammad Aitazaz Ahsan2, Shujaat Hussain3, Sarmad Rehan4, Arooj Ali5*, Ayaz Mammadov6

1Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan

2Department of Pathology, Faculty of Veterinary & Animal Sciences, The Islamia University, Bahawalpur, Pakistan

3Faculty of Veterinary and Animals Sciences, PMAS Arid Agriculture University, Rawalpindi, Pakistan

4Department of Anatomy, Faculty of Veterinary Sciences, University of Agriculture, Faisalabad, Pakistan

5Institute of Physics, Faculty of Physical & Mathematical Sciences, The Islamia University of Bahawalpur, Pakistan

6Department of Life Sciences, Western Caspian University, Baku, Azerbaijan

 

*Corresponding author’s email: rehanaiqbal82@gmail.com; aroojali4088@gmail.com

Received: 29 September 2024 / Accepted: 03 December 2024 / Published Online: 03 February 2025

 

Abstract

 

The investigation and monitoring of exact mechanisms of induction of deleterious effects induced by various synthetic and natural compounds including nanoparticles (NPs) are crucial to lowering the toxic effects of these compounds both on public health and the environment. For this purpose, zinc oxide nanoparticles (ZnO NPs) were synthesized using the co-precipitation technique. SEM (scanning electron microscopy) showed that the synthesized NPs had formed spherical structures, and were collected as flower-shaped bundles. The calculated average crystalline size of ZnO NPs from XRD (X-ray diffraction) was 17.6nm. A total of 150 fish (Tilapia niloticus) were reared in cemented tanks having 200L water in different groups (T0 and T1-T3). The fish in groups T1-T3 were exposed to ZnO NPs mixed in feed @ 150mg/kg, 300mg/kg, and 450mg/kg respectively for 28 days. The results revealed significantly increased morphological and nuclear ailments in erythrocytes of fish exposed with higher doses of ZnO NPs (300mg/kg and 450mg/kg) in comparison to unexposed fish. Hematological analysis showed significantly decreased red blood cell count (RBC), hemoglobin, and lymphocytes while an increased population of white blood cell count (WBC) and neutrophil at higher doses (300mg/kg and 450mg/kg). Serum biochemistry analysis indicated significantly increased concertation of cholesterol, creatinine, urea, alanine transaminase (ALT), aspartate aminotransferase (AST), and alkaline phosphatase (ALP), and decreased quantity of total proteins, globulin, and albumin in fish exposed to higher doses of ZnO NPs. The results on the oxidative and antioxidant status of exposed fish unveiled a significantly increased profile of reactive oxygen species (ROS) and thiobarbituric acid reactive substances (TBARS), a by-product of the lipid peroxidation (LPO) process and a lower quantity of different antioxidant enzymes. The results indicated that higher doses of ZnO NPs disrupt the physiological mechanisms of fish via induction of hemato-biochemical profile and induction of oxidative stress in multiple tissues.

 

Keywords: Mono sex Tilapia, Haemato-biochemistry, Erythrocytes, Oxidative stress