Publications by authors named "Wajid A"

Cd (T = 6.5 h) and Cd (T = 461.9 d) are promising non-standard gamma-emitting radionuclides with significant potential for SPECT use.

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  • Type 1 diabetes (T1D) is an autoimmune disease that destroys insulin-producing cells in the pancreas, and this study investigates its genetic links, particularly in the Pakistani population, focusing on specific genes like PTPN22, INS, NLRP3, and ICAM-1.
  • The study involved 100 T1D patients and 100 healthy controls, analyzing various genetic polymorphisms through Sanger sequencing to uncover their potential connections to T1D susceptibility.
  • Results revealed that several specific genetic variants, such as those in PTPN22 and NLRP3, showed strong associations with T1D in the Pakistani children studied, highlighting important genetic factors that contribute to the disease in this population.*
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Objective: Polycystic Ovarian Syndrome (PCOS) is a complex endocrine disorder that affects women of reproductive age. Several candidate genes have been shown to be associated with PCOS. Previous studies have shown that variations in CYP11A1 and CYP19A1 genes are associated with hormonal dysregulation associated with PCOS in different ethnic populations.

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  • Avian metaavulavirus 8 (AMAV-8), previously known as avian paramyxovirus 8, has been identified in wild birds globally but had never been reported in China until a recent study.
  • A total of 14,909 samples from wild and domestic birds in China were analyzed, leading to the isolation of the AMAV-8 Y7 strain from a migratory swan goose in 2017.
  • The study revealed that while AMAV-8 does not cause clinical signs in newborn chicks, the virus can replicate in their trachea and shed for up to 8 days, marking important findings about the virus's genetic makeup and behavior in a new region.
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  • - The study investigates HIV-related mortality trends among young adults in the U.S. from 1999 to 2020, revealing significant demographic and regional differences in mortality rates.
  • - Findings show that while the age-adjusted mortality rates (AAMRs) declined from 1999 to 2018, there was a stabilization from 2018 to 2020, with males and non-Hispanic Blacks experiencing much higher death rates compared to females and Whites, respectively.
  • - The Southern region of the U.S. and urban areas reported notably higher mortality rates, urging the need for urgent action to address these disparities in HIV-related deaths.
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  • Extracellular vesicles (EVs) play a crucial role in communication and disease processes for parasitic helminths, which are significant contributors to global health issues.
  • Recent studies show that EVs, which include microvesicles and exosomes, are involved in the lifecycle, immune evasion, and disease progression of helminths by transferring various biological materials between cells.
  • These findings suggest that EVs serve as promising tools for diagnosing and treating parasitic infections, along with identifying potential targets for new therapies and vaccines.
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First confirmation of AOAV-16 in domestic and wild birds in China.AOAV-16 are low virulent viruses for chickens.Co-circulation/co-infection of AOAV-16 and H9N2 subtype AIV enhanced pathogenicity.

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Nanotechnology has emerged as a promising solution for tackling antibiotic resistance in monogastric animals, providing innovative methods to enhance animal health and well-being. This review explores the novel use of nanotechnology-based nanomaterials as substitutes for antibiotics in monogastric animals. With growing global concerns about antibiotic resistance and the need for sustainable practices in animal husbandry, nanotechnology offers a compelling avenue to address these challenges.

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Fish substitution in fish products is an important issue in fish markets, as it is a widespread practice. An authentication protocol for Rohu, Thaila and Tilapia was developed by multiplex PCR. Three species-specific and one degenerate common forward primer were designed using the Cytb gene of the mitochondrial genome.

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Background: Vitamin D is essential for insulin secretion and sensitivity. Consequently, its inadequacy is linked to higher insulin resistance and Type 2 Diabetes (T2D). The Vitamin D receptor (VDR) gene is one potential candidate for T2D, and multiple polymorphisms in VDR have been examined in various populations, but no conclusive answers have been provided.

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Small extracellular vesicles called exosomes are produced by cells and contain a range of biomolecules, including proteins, lipids, and nucleic acids. Exosomes have been implicated in the development and spread of cancer, and recent studies have shown that their contents may be exploited as biomarkers for early detection and ongoing surveillance of the disease. In this review article, we summarize the current knowledge on exosomes as biomarkers of cancer.

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Virulent NDV genotypes were repeatedly isolated from pigeons.Evidence of epidemiological links among viruses isolated from various locations.Distinct phylogenetic branches suggest separate, simultaneous evolution of NDVs.

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In endemic areas, hepatitis C virus (HCV)/hepatitis B virus (HBV) coinfection is common, and patients with coinfection have a higher risk of developing liver disease such as hepatocellular carcinoma, liver fibrosis and cirrhosis. In such cases, HCV predominates, and HBV replication is suppressed by HCV. HCV core proteins and interferons that are activated by HCV are responsible for the suppression of HBV.

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Infectious bronchitis virus (IBV) is a rapidly evolving virus affecting both vaccinated and unvaccinated poultry flocks and is responsible for significant economic losses globally; hence, it is imperative to obtain a deeper understanding of this pathogen. In this study, seven IBV strains were isolated from commercial and backyard poultry flocks during 2015-2018. We obtained full-length IBV genomes of two viruses using the Illumina sequencing method, while five additional viruses were genetically characterized through full-length spike (S1) gene sequencing.

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Surra is a zoonotic disease caused by Trypanosoma evansi (T. evansi), which affects a wide variety of animals worldwide. The disease has a severe impact on the productivity, health, and working capacity of camels and causes mortality and extensive economic losses if not diagnosed early.

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Pigeon paramyxovirus type-1 (PPMV-1) is an antigenic-variant of Newcastle disease virus (NDV) which is associated with infection in Columbidae family. In this study, we isolated two pigeon-derived strains pi/Pak/Lhr/SA_1/17 (designed as SA_1) and pi/Pak/Lhr/SA_2/17 (designed as SA_2) from diseased pigeons collected in Punjab province in 2017. We performed the whole genome, phylogenetic analysis and comparative clinico-pathological evaluation of two viruses in pigeons.

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Background: Maternal depressive symptoms are common in pregnancy and may extend to the perinatal period and beyond for some women. To date, few longitudinal studies have investigated maternal depressive symptoms from pregnancy to eleven years postpartum. Drawing data from a large population-based study cohort the aims of this study were to 1) identify distinct groups of mothers defined by their trajectories of depressive symptoms spanning from pregnancy to eleven years following the birth of the child, and 2) to identify psychosocial risk factors during pregnancy and in the first few postnatal years that are associated with these trajectories.

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Live bird markets (LBMs) in Asian countries are considered hubs for the spread of several poultry viruses. In Pakistan, there is a lack of uniformity in practices used in LBMs, which leads to the spread of poultry diseases. A cross-sectional survey was conducted in June-October 2017 to determine the circulation of Newcastle disease virus (NDV) in chickens being sold in live bird retail stalls (LBRSs) and to identify potential risk factors associated with estimated prevalence.

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Objectives: Some research has suggested a possible role for past infection in the development of preeclampsia. The objective of this study was to explore the role of Helicobacter pylori, cytomegalovirus, and Chlamydophila pneumoniae in the development of preeclampsia in a prospective pregnancy sample.

Methods: We conducted a nested case-control study in The Archive for Child Health (ARCH), a pregnancy cohort of 867 unselected women enrolled at the first prenatal visit with archived blood and urine in pregnancy.

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Evaluation of the Cu(α,n)Ga, Cu(α,2n) Ga and Cu(α,n)Ga reactions was done to study the production of medical radionuclides Ga, Ga and Ga respectively. Cu(α,2n)Ga and Cu(α,3n)Ga reactions were also evaluated for the estimation of radioisotopic impurities. Cross section data of each reaction were compiled and normalized to the standard values of decay data and monitor reaction.

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This paper presents the performance comparison of a dual-band conventional antenna with a split-ring resonator (SRR)- and electromagnetic bandgap (EBG)-based dual-band design operating at 2.4 GHz and 5.4 GHz.

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Background: Nonalcoholic fatty liver disease (NAFLD) showed significant association with PNPLA3 rs738409 polymorphism in unrelated individuals. However, it is still unknown whether the relationship of NAFLD with PNPLA3 variant exists or not among subjects with type 2 diabetes mellitus (T2DM). Therefore, the study aimed to evaluate sociodemographic and genetic determinants of NAFLD in type 2 diabetics.

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Background: Studies investigating the patterns or predictors of psychological distress in expecting and postpartum mothers affected by previous prenatal loss, are limited. The study objectives were to explore longitudinal trajectory patterns of depressive and anxiety symptoms in mothers affected by previous prenatal loss from early in a subsequent pregnancy up to pre-adolescence, and to identify early factors predictive of elevated symptom trajectory patterns.

Methods: A total of 2854 mothers from the Avon Longitudinal Study of Parents and Children self-identified as having experienced a previous prenatal loss.

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In this study, the prevalence of Avian orthoavulavirus-1 (AOAV-1) (also commonly known as Newcastle disease virus) was investigated in caged birds kept in bird markets in the Lahore district of Pakistan. A total of 354 swab samples were obtained from 14 different species of clinically healthy birds. The overall virus prevalence was 12.

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