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1.
Rev Med Virol ; 34(1): e2511, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-38282406

RESUMO

Bat borne disease have attracted many researchers for years. The ability of the bat to host several exogenous viruses has been a focal point in research lately. The latest pandemic shifted the focus of scholars towards understanding the difference in response to viral infection between humans and bats. In a way to understand the basis of the interaction and behaviour between SARS-CoV-2 and the environment, a conflict between different researchers across the globe arose. This conflict asked many questions about the truth of virus-host integration, whether an interaction between RNA viruses and human genomes has ever been reported, the possible route and mechanism that could lead to genomic integration of viral sequences and the methods used to detect integration. This article highlights those questions and will discuss the diverse opinions of the controversy and provide examples on reported integration mechanisms and possible detection techniques.


Assuntos
COVID-19 , Quirópteros , Viroses , Animais , Humanos , SARS-CoV-2/genética , Genoma Humano , COVID-19/genética , Viroses/genética , Genoma Viral , Filogenia
2.
Rev Med Virol ; 34(1): e2488, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-37921610

RESUMO

Bat-borne viruses have attracted considerable research, especially in relation to the Covid-19 pandemic. Although bats can carry multiple zoonotic viruses that are lethal to many mammalian species, they appear to be asymptomatic to viral infection despite the high viral loads contained in their bodies. There are several differences between bats and other mammals. One of the major differences between bats and other mammals is the bats' ability to fly, which is believed to have induced evolutionary changes. It may have also favoured them as suitable hosts for viruses. This is related to their tolerance to viral infection. Innate immunity is the first line of defence against viral infection, but bats have metamorphosed the type of responses induced by innate immunity factors such as interferons. The expression patterns of interferons differ, as do those of interferon-related genes such as interferon regulatory factors and interferon-stimulated genes that contribute to the antiviral response of infected cells. In addition, the signalling pathways related to viral infection and immune responses have been subject to evolutionary changes, including mutations compared to their homologues in other mammals and gene selection. This article discusses the differences in the interferon-mediated antiviral response in bats compared to that of other mammals and how these differences are correlated to viral tolerance in bats. The effect of bat interferons related genes on human antiviral response against bat-borne viruses is also discussed.


Assuntos
Quirópteros , Viroses , Vírus , Animais , Humanos , Linhagem Celular , Pandemias , Interferons/genética , Viroses/tratamento farmacológico , Viroses/genética , Antivirais/farmacologia , Antivirais/uso terapêutico , Antivirais/metabolismo , Genômica
3.
Rev Med Virol ; 34(4): e2559, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38886173

RESUMO

The World Organization for Animal Health defines Avian Influenza Virus as a highly infectious disease caused by diverse subtypes that continue to evolve rapidly, impacting poultry species, pet birds, wild birds, non-human mammals, and occasionally humans. The effects of Avian influenza viruses have been recognised as a precursor for serious health concerns among affected birds, poultry, and human populations in the Middle East. Furthermore, low and high pathogenic avian influenza viruses lead to respiratory illness with varying severity, depending on the virus subtype (e.g., H5, H7, H9, etc.). Possible future outbreaks and endemics of newly emerging subtypes are expected to occur, as many studies have reported the emergence of novel mutations and viral subtypes. However, proper surveillance programs and biosecurity applications should be developed, and countries with incapacitated defences against such outbreaks should be encouraged to undergo complete reinstation and reinforcement in their health and research sectors. Public education regarding biosafety and virus prevention is necessary to ensure minimal spread of avian influenza endemic.


Assuntos
Aves , Vírus da Influenza A , Influenza Aviária , Influenza Humana , Animais , Influenza Aviária/epidemiologia , Influenza Aviária/virologia , Influenza Aviária/prevenção & controle , Influenza Aviária/transmissão , Humanos , Influenza Humana/prevenção & controle , Influenza Humana/epidemiologia , Influenza Humana/virologia , Região do Mediterrâneo/epidemiologia , Aves/virologia , Vírus da Influenza A/genética , Vírus da Influenza A/fisiologia , Vírus da Influenza A/patogenicidade , Surtos de Doenças/prevenção & controle , Surtos de Doenças/veterinária
4.
Rev Med Virol ; 33(4): e2440, 2023 07.
Artigo em Inglês | MEDLINE | ID: mdl-36924105

RESUMO

Rodents are one of the most abundant mammal species in the world. They form more than two-fifth of all mammal species and there are approximately 4600 existing rodent species. Rodents are capable of transmitting deadly diseases, especially those that are caused by viruses. Viruses and their consequences have plagued the world for the last two centuries, three pandemics occurred during the last century only. The Middle East is situated at the crossroads of Africa and Asia, along with the Mediterranean Sea and the Indian Ocean, its geographic importance is gained through the diversity of topographies, biosphere, as well as climate aspects that make the region vulnerable to host emerging diseases. Refugee crises also play a major role in expected epidemic outbreaks in the region. Public health has always been the most important priority, and our aim in this review is to raise awareness among public health organisations across the Middle East about the dangers of rodent borne diseases that have been reported or are suspected to be found in the region.


Assuntos
Roedores , Vírus , Animais , Surtos de Doenças , Saúde Pública , Oriente Médio/epidemiologia
5.
BMC Psychiatry ; 24(1): 436, 2024 Jun 11.
Artigo em Inglês | MEDLINE | ID: mdl-38862938

RESUMO

BACKGROUND: Substance use disorder (SUD) is a complex illness that can be attributed to the interaction between environmental and genetic factors. The nicotinic receptor gene cluster on chromosome 15 has a plausible association with SUD, particularly with nicotine dependence. METHODS: This study investigated 15 SNPs within the CHRNA5, CHRNA3, and CHRNB4 genes. Sequencing was used for genotyping 495 Jordanian males with SUD and 497 controls matched for age, gender, and descent. RESULTS: Our findings revealed that none of the tested alleles or genotypes were correlated with SUD. However, our analysis suggests that the route of substance use was linked to rs1051730 (P value = 0.04), rs8040868 (P value = 0.01) of CHRNA3, and rs16969968 (P value = 0.03) of CHRNA5. Additionally, a correlation was identified between rs3813567 of the CHRNB4 gene and the age at substance use onset (P value = 0.04). CONCLUSIONS: Variants in CHRNA5, CHRNA3, and CHRNB4 may interact with SUD features that can influence the development and progression of the disorder among Jordanians.


Assuntos
Proteínas do Tecido Nervoso , Polimorfismo de Nucleotídeo Único , Receptores Nicotínicos , Transtornos Relacionados ao Uso de Substâncias , Humanos , Receptores Nicotínicos/genética , Masculino , Jordânia/epidemiologia , Transtornos Relacionados ao Uso de Substâncias/genética , Transtornos Relacionados ao Uso de Substâncias/epidemiologia , Polimorfismo de Nucleotídeo Único/genética , Adulto , Proteínas do Tecido Nervoso/genética , Predisposição Genética para Doença/genética , Estudos de Casos e Controles , Genótipo , Adulto Jovem , Pessoa de Meia-Idade , Alelos
6.
Adv Exp Med Biol ; 1451: 21-33, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38801569

RESUMO

In the last 4 years, the world has experienced two pandemics of bat-borne viruses. Firstly, in 2019 the SARS-CoV-2 pandemic started and has been causing millions of deaths around the world. In 2022, a Monkeypox pandemic rose in various countries of the world. Those pandemics have witnessed movements and initiatives from healthcare and research institutions to establish a worldwide understanding to battle any future pandemics and biological threats. One Health concept is a modern, comprehensive, unifying ways to improve humans, animals, and ecosystems' health. This concept shows how much they are intertwined and related to one another, whether it is an environmental, or a pathological relation. This review aims to describe Poxviridae and its impact on the One Health concept, by studying the underlying causes of how poxviruses can affect the health of animals, humans, and environments. Reviewing the effect of disease transmission between animal to human, human to human, and animal to animal with pox viruses as a third party to achieve a total understanding of infection and viral transmission. Thus, contributing to enhance detection, diagnosis, research, and treatments regarding the application of One Health.


Assuntos
Saúde Única , Infecções por Poxviridae , Poxviridae , Humanos , Animais , Infecções por Poxviridae/virologia , Infecções por Poxviridae/transmissão , Infecções por Poxviridae/epidemiologia , Poxviridae/fisiologia , Poxviridae/patogenicidade , Poxviridae/genética , COVID-19/virologia , COVID-19/transmissão , COVID-19/epidemiologia , Zoonoses/virologia , Zoonoses/transmissão , Zoonoses/epidemiologia , SARS-CoV-2/patogenicidade , SARS-CoV-2/fisiologia , Pandemias , Zoonoses Virais/transmissão , Zoonoses Virais/virologia , Zoonoses Virais/epidemiologia
7.
Medicina (Kaunas) ; 60(10)2024 Oct 01.
Artigo em Inglês | MEDLINE | ID: mdl-39459398

RESUMO

Background and Objectives: Alopecia areata (AA) is a tissue-specific immune-mediated disorder that affects hair follicles and the nail apparatus. Due to the collapse of hair follicle immune privilege in AA, hair loss ranges in severity from small, localized patches on the scalp to the loss of entire body hair. Although AA is of uncertain etiology, the disease has a common genetic basis with a number of other autoimmune diseases. Materials and Methods: To identify candidate genes that confer susceptibility to AA in the Jordanian population and further understand the disease background, we performed DNA genotyping using case-control samples of 152 patients and 150 healthy subjects. Results: While no significant result was observed in the ten single-nucleotide polymorphisms (SNPs), CLEC4D rs4304840 variants showed significant associations with AA development within our cohort (p = 0.02). The strongest associations were for the codominant and recessive forms of rs4304840 (p = 0.023 and p = 0.0061, respectively). Conclusions: These findings suggest that CLEC4D gene variants may contribute to AA pathogenesis among Jordanians. Further advanced genetic analysis and functional investigations are required to elucidate the genetic basis of the disease.


Assuntos
Alopecia em Áreas , Predisposição Genética para Doença , Polimorfismo de Nucleotídeo Único , Humanos , Alopecia em Áreas/genética , Alopecia em Áreas/imunologia , Jordânia , Masculino , Feminino , Estudos de Casos e Controles , Adulto , Lectinas Tipo C/genética , Pessoa de Meia-Idade , Adolescente , Genótipo
8.
Saudi Pharm J ; 32(11): 102171, 2024 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-39318639

RESUMO

Objective: Drug addiction is a complex disorder caused by multiple factors, including environmental and genetic factors. Stress-related genes such as Galanin (GAL) and Oxytocin (OXT) have been linked to the reward pathways that contribute to the development and progression of substance addiction. This study aimed to explore the correlation between several polymorphisms of stress-related genes and drug addiction among Jordanian males. Methods: The study included 500 participants, consisting of both healthy controls and drug-addicted Jordanian males. The genetic material and clinical data were collected, and 18 SNPs in four candidate genes were genotyped using the Sequenom MassARRAY® system. Statistical analyses were performed using the Statistical Package for the Social Sciences (SPSS) version 25.0 and the SNPStats website. Results: The study identified a significant correlation between three SNPs of the GAL gene and drug addiction, specifically rs3136544, rs3136541, and rs694066. The study also found that different genotypes of these variants were significantly associated with drug addiction. Furthermore, different haplotypes of the GAL, GALR1, and OXTR polymorphisms were also significantly correlated with drug addiction. The study also identified a correlation between several drug addiction features and the studied variants, including the association of rs2717162 of Galanin receptor 1 (GALR1) with age at use onset and the association of rs3136541 of GAL with the type of substance and number of substances used. Conclusion: Stress-related genes can play a significant role in the development and progression of addiction among the Jordanian population, and further investigations are necessary to understand the underlying mechanisms better and improve future treatment strategies.

9.
Drug Chem Toxicol ; 46(1): 176-180, 2023 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-34965829

RESUMO

Nedaplatin is a chemotherapeutic agent used widely in cancer therapy. Nedaplatin has been shown to cause DNA damage to cells via the induction of oxidative stress. Vitamin E (Vit E) has an anti-mutagenic activity that can protect cells from DNA damaging agents. The objective of this study is to examine the genotoxic and cytotoxic effects of nedaplatin in human cultured lymphocytes. In addition, modulation of such effects by Vit E was also examined. The frequencies of sister chromatid exchange (SCE) and chromosomal aberrations (CAs) were used as an indicator for genotoxicity. The mitotic and proliferative indices were used to examine the cytotoxic effects of nedaplatin. The results showed that nedaplatin significantly elevated SCE and CA frequencies in human lymphocytes (p Ë‚ 0.01). The increases in the frequencies of SCE and CA caused by nedaplatin were lowered by pretreatment treatment with Vit E (p < 0.05). Nedaplatin significantly lowered mitotic index but Vit E pretreatment did not modulate this effect. These results suggest that Vit E has the potential to ameliorate the genotoxicity of nedaplatin in cultured lymphocytes.


Assuntos
Antineoplásicos , Vitamina E , Humanos , Vitamina E/farmacologia , Células Cultivadas , Linfócitos , Antineoplásicos/toxicidade , Troca de Cromátide Irmã , Aberrações Cromossômicas/induzido quimicamente , Dano ao DNA
10.
Rev Med Virol ; 31(4): e2194, 2021 07.
Artigo em Inglês | MEDLINE | ID: mdl-33205496

RESUMO

The ongoing outbreak of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) represents a significant challenge to international health. Pharmacogenomics aims to identify the different genetic variations that exist between individuals and populations in order to determine appropriate treatment protocols to enhance the efficacy of drugs and reduce their side-effects. This literature review provides an overview of recent studies of genetic polymorphisms in genes that mediate the SARS-CoV-2 infection mechanism (ACE1, ACE2, TMPRSS2 and CD26). In addition, genetic variations in the drug-metabolising enzyme genes of several selected drugs used in the treatment of COVID-19 are summarised. This may help construct an effective health protocol based on genetic biomarkers to optimise response to treatment. Potentially, pharmacogenomics could contribute to the development of effective high-throughput assays to improve patient evaluation, but their use will also create ethical, medical, regulatory, and legal issues, which should now be considered in the era of personalised medicine.


Assuntos
Antivirais/uso terapêutico , COVID-19/genética , Suscetibilidade a Doenças , Predisposição Genética para Doença/genética , Polimorfismo Genético/genética , SARS-CoV-2 , Humanos , Testes Farmacogenômicos , SARS-CoV-2/genética , Tratamento Farmacológico da COVID-19
11.
BMC Oral Health ; 22(1): 16, 2022 01 22.
Artigo em Inglês | MEDLINE | ID: mdl-35065635

RESUMO

BACKGROUND: This study aimed to investigate the genetic association of specific Single Nucleotide Polymorphisms (SNPs) within the muscle segment homeobox gene 1 (MSX1) with susceptibility to the peg-shaped teeth in 36 Jordanian Arab families and case-control samples in the Jordanian Arab population. METHODS: This cohort involved 108 individuals (36 trios families), which were used for family-based genetic study. Additionally, 56 patients and 57 controls were used for case-control study. Genomic DNA samples from both families and case-control were extracted according to distinguished processes. Then, polymerase chain reaction technique (PCR) was conducted using specific primers for the axons of the MSX1. Moreover, DNA sequencing genotyping method analysis of SNPs was used to detect specified SNPs in the MSX1 linked with peg-shaped teeth. Hardy-Weinberg Equilibrium and Chi-square were used to evaluate the data quality and the presence of any genotypic error. In addition, Transmission Disequilibrium Test (TDT) was used identify family-based association in which trios of parents and proband are used. RESULTS: The results of this study showed fourteen polymorphic sites in this gene, eight of them (rs121913129, rs104893852, rs104893853, rs121913130, rs104893850, rs1095, rs3775261, and rs1042484) were none-polymorphic. Meanwhile, the minor allele frequencies of the rest of the SNPs were polymorphic (rs8670, rs12532, rs3821949, rs4464513, rs1907998, and rs6446693). However, none of these SNPs were associated with peg-shaped teeth. Moreover, the haplotype genetic analysis revealed that there was no genetic association with peg-shaped teeth disorder susceptibility (P > 0.05) in the Jordanian families of Arab descent. CONCLUSIONS: The present findings can be used in estimation of prevalence of peg-shaped teeth in the Jordanian population. However, our findings revealed that there is no evidence that the MSX1 polymorphisms had a crucial role in the peg-shaped teeth phenomenon, emphasizing that other genes might have this role. These findings are beneficial for clinicians to comprehensively understand the molecular aspects of teeth abnormalities.


Assuntos
Fator de Transcrição MSX1 , Anormalidades Dentárias , Estudos de Casos e Controles , Predisposição Genética para Doença/genética , Genótipo , Humanos , Jordânia , Fator de Transcrição MSX1/genética , Polimorfismo de Nucleotídeo Único/genética , Anormalidades Dentárias/genética
12.
BMC Psychiatry ; 21(1): 5, 2021 01 05.
Artigo em Inglês | MEDLINE | ID: mdl-33402148

RESUMO

BACKGROUND: Like other complex diseases including drug addiction, genetic factors can interfere with the disease. In this study, three opioid genes (OPRM1, OPRD1, and OPRK1) were examined for an association with drug addiction among Jordanian males. METHODS: The study involved 498 addicts, in addition to 496 healthy controls and all from Arab descent. RESULTS: The findings in this study showed that rs1799971 of the OPRM1 gene was in association with drug addiction for both alleles and genotypes with P-values = 0.002 and 0.01, respectively. In addition, a significant association between the dominant model (A/A vs G/A-G/G) of rs1799971 (OPRM1) and drug addiction (P-value = 0.003, OR = 1.59 (1.17-2.15)) was detected. Moreover, a genetic haplotype (AGGGCGACCCC) of theOPRM1 gene revealed a significant association with drug addiction (P-value = 0.01, OR = 1.56 (1.15-2.12)). We also found that the age of addicts, smoking, and marital status with genetic variants within OPRM1, OPRD1, and OPRK1 genes may be implicated in drug addiction risk. CONCLUSION: We propose that rs1799971 of the OPRM1gene is a genetic risk factor for drug addiction among Jordanian males.


Assuntos
Predisposição Genética para Doença , Transtornos Relacionados ao Uso de Substâncias , Predisposição Genética para Doença/genética , Genótipo , Humanos , Masculino , Polimorfismo de Nucleotídeo Único/genética , Receptores Opioides/genética , Receptores Opioides mu/genética , Transtornos Relacionados ao Uso de Substâncias/genética
13.
Int J Med Sci ; 18(3): 826-834, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33437219

RESUMO

Cardiovascular diseases are among the leading causes of death worldwide. Many of those diseases require treatment with warfarin, an anticoagulant that has a large high inter and intra-variability in the required doses. The aim of this study is to find if there are any associations between rs2108622 of CYP4F2, rs7412 and rs405509 of ApoE, and rs1801272 of CYP2A6, and CVD and warfarin dose variability. The selected genes and their polymorphisms are involved in many GWAS associated with cardiovascular disease and variability in warfarin treatment. The study sample consisted of 212 Jordanian Cardiovascular patients and 213 healthy controls. DNA was extracted and the Mass ARRAY™ system was used to genotype four selected SNPs within three genes (CYP4F2, ApoE, and CYP2A6). Only one out of the four selected SNPs (ApoE rs7412 SNP) was found to be associated with the risk of cardiovascular disease. Also, this SNP showed significant differences in warfarin initial doses. CYP2A6 rs1801272 SNP was found to be associated with warfarin sensitivity during the initiation phase of therapy and with warfarin responsiveness and INR measurement during the stabilization phase of therapy. This study improves the current understanding of the high inter and intra-variabilities in response to warfarin, including the variety of dosing requirements and the susceptibility to cardiovascular disease in the Jordanian Arab population. Further study on a larger sample and in different ethnic groups could help in improving our understanding of warfarin's pharmacogenetics and its application in personalized medicine.


Assuntos
Anticoagulantes/administração & dosagem , Doenças Cardiovasculares/tratamento farmacológico , Predisposição Genética para Doença , Variantes Farmacogenômicos , Varfarina/administração & dosagem , Anticoagulantes/farmacocinética , Apolipoproteínas E/genética , Apolipoproteínas E/metabolismo , Povo Asiático/genética , Doenças Cardiovasculares/epidemiologia , Doenças Cardiovasculares/genética , Estudos de Casos e Controles , Citocromo P-450 CYP2A6/genética , Citocromo P-450 CYP2A6/metabolismo , Família 4 do Citocromo P450/genética , Família 4 do Citocromo P450/metabolismo , Relação Dose-Resposta a Droga , Seguimentos , Frequência do Gene , Voluntários Saudáveis , Humanos , Coeficiente Internacional Normatizado , Jordânia/epidemiologia , Varfarina/farmacocinética
14.
Int J Med Sci ; 17(2): 191-206, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32038103

RESUMO

Epigenetic alteration of host DNA is a common occurrence in both low- and high-risk human papillomavirus (HPV) infection. Although changes in promoter methylation have been widely studied in HPV-associated cancers, they have not been the subject of much investigation in HPV-induced warts, which are a temporary manifestation of HPV infection. The present study sought to examine the differences in promoter methylation between warts and normal skin. To achieve this, DNA was extracted from 24 paired wart and normal skin samples and inputted into the Infinium MethylationEPIC BeadChip microarray. Differential methylation analysis revealed a clear pattern of hyper- and hypomethylation in warts compared to normal skin, and the most differentially methylated promoters were found within the EIF3EP2, CYSLTR1, C10orf99, KRT6B, LAMA4, and H3F3B genes as well as the C9orf30 pseudogene. Moreover, pathway analysis showed that the H3F3A, CDKN1A, and MAPK13 genes were the most common regulators among the most differentially methylated promoters. Since the tissue samples were excised from active warts, however, this differential methylation could either be a cellular response to HPV infection or an HPV-driven process to establish the wart and/or promote disease progression. Conclusively, it is apparent that HPV infection alters the methylation status of certain genes to possibly initiate the formation of a wart and maintain its presence.


Assuntos
Epigênese Genética/genética , Epigenoma/genética , Regiões Promotoras Genéticas/genética , Verrugas/genética , Peptídeos Catiônicos Antimicrobianos/genética , Metilação de DNA/genética , Proteínas de Ligação a DNA/genética , Histonas/genética , Humanos , Queratina-6/genética , Laminina/genética , Masculino , Proteína Quinase 13 Ativada por Mitógeno/genética , Papillomaviridae/patogenicidade , Infecções por Papillomavirus/genética , Receptores de Leucotrienos/genética , Sequenciamento Completo do Genoma
15.
Physiol Mol Biol Plants ; 26(5): 1047-1054, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-32377052

RESUMO

Magnetism is one of the physical methods affecting water properties. It is considered as an environmental factor that plays a role in the physiological and biochemical reactions. A hydroponic experiment was conducted using four types of treated water (distilled water, magnetically treated distilled water, magnetically treated tap water, and tap water). Tobacco plants (Nicotiana tabacum var. Turkish) were placed in a growth chamber for three weeks. Plants irrigated with magnetically treated distilled water had a significant increase in the physiological parameters including shoot height and root length (P < 0.0001). The same pattern was seen in the photosynthetic rate and protein content, but no significant differences in the stomatal conductance and transpiration rate (P < 0.5601). In contrast, a significant increase of total carbohydrate content was exhibited in plant irrigated with tap water (P < 0.0064). Electron micrographs showed deformed chloroplasts with damaged thylakoid membranes associated with plastoglobules in plants irrigated with tap water and magnetically treated tap water. Lastly, this study suggests that magnetically treated water is an excellent option to improve irrigation methods and thus obtains agricultural production with high efficiency.

16.
Pak J Pharm Sci ; 33(4): 1503-1510, 2020 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-33583780

RESUMO

The connection of nearly all current antipsychotic drugs to their in vivo cytogenetic activity has not been yet fully investigated. Fluvoxamine, Valproic acid (VA) and Haloperidol (HLP) are three universally common consumed psychotic drugs whereas used to treat several psychiatric disorders. This study aims to investigate the cytogenetic effects of these three psychotropic drugs by evaluating the frequency of Sister Chromatid Exchanges (SCEs) and the Proliferation Rate Index (PRI) in cultured lymphocytes. Fifteen patients with psychiatric disorders (i.e. depression, bipolar and schizophrenia) consisting of smokers and non-smokers were included. Estimation of SCEs was used as a sensitive biomarker of the potential cytotoxicity, while PRI was used as a valuable marker of cytostatic activity. A significant increase of SCEs in the cultured lymphocyte of the smoker controls (P= 0.013) was found in compared to the non-smoker controls. This study found that there is no difference in the average of SCEs values in lymphocytes isolated from the smoker and non-smoker patients treated with Fluvoxamine, Valproic acid and Haloperidol (P> 0.05). A significant difference of PRI (P= 0.036) in the lymphocytes of smoker controls compared to those of the non-smoker controls were detected. This study also found a significant difference with respect to PRI between the three patient groups (P= 0.017). These results illustrated that treatment (monotherapy) of psychiatric patients with Fluvoxamine, Valproic acid, and Haloperidol exerts a significant cytostatic but not cytotoxic effect on their lymphocytes whereas these effects are intensified by smoking.


Assuntos
Antipsicóticos/efeitos adversos , Linfócitos/efeitos dos fármacos , Psicotrópicos/efeitos adversos , Adulto , Antipsicóticos/uso terapêutico , Estudos de Casos e Controles , Proliferação de Células/efeitos dos fármacos , Células Cultivadas , Análise Citogenética/métodos , Humanos , Masculino , Índice Mitótico/métodos , Psicotrópicos/uso terapêutico , Esquizofrenia/tratamento farmacológico , Troca de Cromátide Irmã/efeitos dos fármacos , Fumar/efeitos adversos , Ácido Valproico/efeitos adversos , Ácido Valproico/uso terapêutico
17.
BMC Plant Biol ; 19(1): 253, 2019 Jun 13.
Artigo em Inglês | MEDLINE | ID: mdl-31196035

RESUMO

BACKGROUND: Because of their broad applications in our life, nanoparticles are expected to be present in the environment raising many concerns about their possible adverse effects on the ecosystem of plants. The aim of this study was to examine the effect of different sizes and concentrations of iron oxide nanoparticles [(Fe3O4) NPs] on morphological, physiological, biochemical, and ultrastructural parameters in tobacco (Nicotiana tabacum var.2 Turkish). RESULTS: Lengths of shoots and roots of 5 nm-treated plants were significantly decreased in all nanoparticle-treated plants compared to control plants or plants treated with any concentration of 10 or 20 nm nanoparticles. The photosynthetic rate and leaf area were drastically reduced in 5 nm (Fe3O4) NP-treated plants of all concentrations compared to control plants and plants treated with 10 or 20 nm (Fe3O4) NPs. Accumulation of sugars in leaves showed no significant differences between the control plants and plants treated with iron oxide of all sizes and concentrations. In contrast, protein accumulation in plants treated with 5 nm iron oxide dramatically increased compared to control plants. Moreover, light and transmission electron micrographs of roots and leaves revealed that roots and chloroplasts of 5 nm (Fe3O4) NPs-treated plants of all concentrations were drastically affected. CONCLUSIONS: The size and concentration of nanoparticles are key factors affecting plant growth and development. The results of this study demonstrated that the toxicity of (Fe3O4) NPs was clearly influenced by size and concentration. Further investigations are needed to elucidate more about NP toxicity in plants, especially at the molecular level.


Assuntos
Nanopartículas Metálicas , Nicotiana/efeitos dos fármacos , Cloroplastos/efeitos dos fármacos , Cloroplastos/ultraestrutura , Relação Dose-Resposta a Droga , Compostos Férricos/farmacologia , Microscopia Eletrônica de Transmissão , Fotossíntese/efeitos dos fármacos , Folhas de Planta/efeitos dos fármacos , Folhas de Planta/metabolismo , Folhas de Planta/ultraestrutura , Raízes de Plantas/efeitos dos fármacos , Raízes de Plantas/ultraestrutura , Brotos de Planta/efeitos dos fármacos , Nicotiana/metabolismo , Nicotiana/ultraestrutura
18.
BMC Med Genet ; 20(1): 148, 2019 09 02.
Artigo em Inglês | MEDLINE | ID: mdl-31477036

RESUMO

BACKGROUND: Single nucleotide polymorphisms (SNPs) in several CYP genes have been associated with altered breast cancer (BC) risk in different populations. Despite this, there is a dearth of information on the roles of these SNPs in Jordanian BC patients. Therefore, this study aims to determine if there is any single nucleotide polymorphism (SNP) within CYP19A1, CYP2C19, CYP2C9, CYP1B1, CYP3A4, and CYP1A2 genes associated with BC in the Jordanian population. In addition, this work investigates the association between selected BC prognostic factors and variants of the aforementioned CYP candidate genes. METHODS: Blood samples were withdrawn from 221 BC patients and 218 healthy volunteers recruited from the Jordanian population. Genomic DNA was withdrawn and, after quantification and quality control, was genotyped using the Sequenom MassARRAY® system (iPLEX GOLD). Statistical analysis was then carried out to assess allelic and genotypic frequencies as well as genetic association between cases and controls. RESULTS: The CYP19A1 SNP rs7176005 (p < 0.0045) and the CYP1A2 SNP rs762551 (p = 0.004) were significantly associated with BC risk. However, no such association was found for the screened SNPs of the CYP2C9, CYP1B1, CYP2C19 and CYP3A4 genes. Regarding the prognostic factors of BC, several of the screened SNPs were associated with different pathological and clinical features. CONCLUSIONS: Certain CYP genes, particularly CYP19A1 and CYP1A2, were associated with BC risk and development in the Jordanian population.


Assuntos
Neoplasias da Mama/genética , Ciclofilinas/genética , Estudos de Associação Genética , Predisposição Genética para Doença/genética , Adulto , Idoso , Idoso de 80 Anos ou mais , Aromatase/genética , Estudos de Coortes , Citocromo P-450 CYP1A2/genética , Citocromo P-450 CYP1B1/genética , Citocromo P-450 CYP2C19/genética , Citocromo P-450 CYP2C9/genética , Citocromo P-450 CYP3A/genética , Feminino , Genótipo , Humanos , Jordânia , Pessoa de Meia-Idade , Polimorfismo de Nucleotídeo Único , Prognóstico , Risco , Adulto Jovem
19.
BMC Cancer ; 19(1): 1257, 2019 Dec 30.
Artigo em Inglês | MEDLINE | ID: mdl-31888550

RESUMO

BACKGROUND: Breast cancer risk, development, and treatment are influenced by genetic variation in certain genes, namely those involved in cell proliferation, tumor suppression, and drug metabolism. In turn, the relevance of the aforementioned genetic variation to cancer depends on the ethnic group in question, highlighting the need for population-specific association studies. Therefore, the objective of the present study was to investigate the association between certain ESR1, ESR2, HER2, UGT1A4, and UGT2B7 single nucleotide polymorphisms and breast cancer. METHODS: Blood samples were collected from 437 Jordanian-Arab breast cancer patients and healthy volunteers and subject to genotyping using the Sequenom MassARRAY® system (iPLEX GOLD). RESULTS: Our findings show a significant association between breast cancer and the allelic (P = 0.02486879) and genotypic (P = 0.04793066) frequencies of the ESR1 polymorphism rs3798577, a result which was confirmed in different genetic models. No other investigated polymorphism showed a significant association with breast cancer itself in Jordanian Arabs, but the Rare Hz (GG) vs Het (AG) genetic model revealed an association of the disease with the ESR1 polymorphism rs3798577. However, several associations were found between certain polymorphisms and breast cancer's prognostic factors. CONCLUSION: This study suggests that certain polymorphisms may increase the risk of breast cancer in the Jordanian-Arab population. Future research and clinical translation could incorporate the current results in preventative breast cancer approaches tailored for Jordanian-Arab patients.


Assuntos
Neoplasias da Mama/genética , Receptor alfa de Estrogênio/genética , Receptor beta de Estrogênio/genética , Genótipo , Glucuronosiltransferase/genética , Receptor ErbB-2/genética , Árabes , Estudos de Casos e Controles , Feminino , Frequência do Gene , Estudos de Associação Genética , Predisposição Genética para Doença , Humanos , Jordânia , Polimorfismo de Nucleotídeo Único , Prognóstico
20.
Int J Mol Sci ; 20(19)2019 Sep 28.
Artigo em Inglês | MEDLINE | ID: mdl-31569353

RESUMO

HPV infection is one of the most commonly transmitted diseases among the global population. While it can be asymptomatic, non-genital HPV infection often gives rise to cutaneous warts, which are benign growths arising from the epidermal layer of the skin. This study aimed to produce a global analysis of the ways in which cutaneous wart formation affected the CpG island methylome. The Infinium MethylationEPIC BeadChip microarray was utilized in order to quantitatively interrogate CpG island methylation in genomic DNA extracted from 24 paired wart and normal skin samples. Differential methylation analysis was carried out by means of assigning a combined rank score using RnBeads. The 1000 top-ranking CpG islands were then subject to Locus Overlap Analysis (LOLA) for enrichment of genomic ranges, while signaling pathway analysis was carried out on the top 100 differentially methylated CpG islands. Differential methylation analysis illustrated that the most differentially methylated CpG islands in warts lay within the ITGB5, DTNB, RBFOX3, SLC6A9, and C2orf27A genes. In addition, the most enriched genomic region sets in warts were Sheffield's tissue-clustered DNase hypersensitive sites, ENCODE's segmentation and transcription factor binding sites, codex sites, and the epigenome sites from cistrome. Lastly, signaling pathway analysis showed that the GRB2, GNB1, NTRK1, AXIN1, and SKI genes were the most common regulators of the genes associated with the top 100 most differentially methylated CpG islands in warts. Our study shows that HPV-induced cutaneous warts have a clear CpG island methylation profile that sets them apart from normal skin. Such a finding could account for the temporary nature of warts and the capacity for individuals to undergo clinical remission.


Assuntos
Metilação de DNA , Dermatite/genética , Epigênese Genética , Epigenômica , Genoma Humano , Infecções por Papillomavirus/genética , Ilhas de CpG , Dermatite/virologia , Epigenômica/métodos , Perfilação da Expressão Gênica , Humanos , Infecções por Papillomavirus/virologia , Transcriptoma
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