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Publications (232)
CAFs (cancer-associated fibroblasts) are highly flexible cells of the cancer microenvironment. They produce the extracellular matrix (ECM) constituents that form the structure of the tumor stroma but are also a source of metabolites, growth factors, chemokines, and exosomes that impact every aspect of the tumor, including its response to treatment....
Background
The evolution of novel Severe Acute Respiratory Syndrome-related Coronavirus 2 (SARS-CoV-2) strains with greater degrees of infectivity, resistance to vaccine-induced acquired immunity, and more severe morbidity have contributed to the recent spread of COVID-19. In light of this, novel therapeutic alternatives with improved effectiveness...
Leucine-rich G protein-coupled receptor 5 (LGR5) is a marker of cancer stem cells (CSCs) in various cancers. Based on different studies, conflicting reports exist on correlation between LGR5 expression and poor prognosis/ clinicopathological parameters in cancer patients. Therefore, our purpose in conducting this study was to investigate correlatio...
Background
Stools from colorectal cancer patients are noninvasive samples that could be used to compare the frequency of hotspot mutations between two different ethnic cohorts.
Materials and Methods
We collected stool samples from the Iranian cohort (52 patients and 49 controls) and the Finnish cohort (40 patients and 14 controls). Following stool...
Angiogenesis is a hallmark of cancer biology, and neoadjuvant therapies targeting either tumor vasculature or VEGF signaling have been developed to treat solid malignant tumors. However, these therapies induce complete vascular depletion leading to hypoxic niche, drug resistance, and tumor recurrence rate or leading to impaired delivery of chemo dr...
Background:
Previous studies have shown that CD134 (OX40) co-stimulation is involved in the pathogenesis of experimental autoimmune encephalomyelitis (EAE) models and the antigen is expressed within multiple sclerosis lesions in humans. OX40 (CD134) is thought to be a secondary co-stimulatory immune checkpoint molecule that is expressed by T cells...
Background and purpose:
Although many recent studies have analyzed the validation of integrin subunit alpha 4 (ITGA4) biomarker for cancer detection in patients with various malignancies, the diagnostic value of ITGA4 methylation for malignant tumors remains uncertain. We performed a systematic review and meta-analysis to unravel the relationship...
Intra-tumoral immune cells promote the stemness of cancer stem cells (CSCs) in the tumor microenvironment (TME). CSCs promote tumor progression, relapse, and resistance to immunotherapy. Cancer stemness induces the expression of neoantigens and neo-properties in CSCs, creating an opportunity for targeted immunotherapies. Isolation of stem-like T ce...
Introduction:
Controversy exists regarding the association of apolipoprotein B mRNA editing enzyme catalytic subunit 3B APOBEC3B, (A3B) overexpression and poor prognosis, metastasis, and chemotherapy drug resistance in cancers. Here we conducted a systematic review and meta-analysis to determine its prognostic value and clinicopathological feature...
Background: Recently, genome-wide association studies (GWAS) have discovered several single nucleotide polymorphisms (SNPs) and loci associated with the risk of systemic lupus erythematosus (SLE). rs6445975 (T>G; intronic variant) polymorphism in the PXK gene is one of these loci. However, there was an inconsistency between the results of replicati...
Background:
Rheumatoid Arthritis (RA) has multifactorial etiology and numerous genetic and environmental factors have been related to an increased risk of RA. Recently, Genome-Wide Association Studies (GWAS) suggested a large number of Single Nucleotide Polymorphisms (SNPs) loci affecting the susceptibility to RA. One of these loci is rs6859219 (C...
Background
Colorectal cancer (CRC) evolves gradually due to the accumulation of genetic and epigenetic changes in the cells of the colonic epithelium. Transition from polyp to CRC usually occurs over a long period and this provides an ideal situation for screening and detection of the disease during its early asymptomatic stage. ITGA4 promoter meth...
Background
Systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA) are multisystemic autoimmune diseases with multifactorial nature. Considering the limitations of the current conventional serological tests for the diagnosis of these diseases, researchers strive to find more new valid biomarkers.
Methods
Sixty-nine patients with SLE, 63 p...
Background:
The high heritability of Rheumatoid Arthritis (RA) has been estimated from different studies. Recently, Genome-Wide Association Studies (GWAS) show a large number of Single Nucleotide Polymorphisms (SNPs) loci affecting susceptibility to RA. The rs934734 polymorphism in the SPRED2 gene is one of these loci. Studies have shown that the...
Colorectal cancer (CRC) rated among the three most diagnosed cancers and the fourth main cause of death worldwide. CRC is a curable cancer provided to be diagnosed at its early-stage. Colonoscopy, stool and blood-based tests are in use for CRC diagnosis/screening. Due to low patient compliance, low specificity and high rate of false results, more r...
Rheumatoid arthritis (RA) is a progressive and common autoimmune disease with multifactorial etiology. Several pieces of research show that genetic factors play a major role in the incidence of RA. Several genome-wide association studies (GWAS) have identified the autoimmune regulator (AIRE) gene as one of the candidate loci. This gene encodes a tr...
Background:
Rheumatoid Arthritis (RA) is a progressive, heterogeneous, and common multifactorial autoimmune disease. Several Genome-Wide Association Studies (GWASs) have revealed more than 100 risk loci for RA. One of these loci is a functional single nucleotide polymorphism (rs874040; G>C) near the recombination signal-binding protein for the imm...
Background: Rheumatoid arthritis (RA) is a progressive and common autoimmune disease with multifactorial etiology. Several pieces of research show that genetic factors play a major role in the incidence of RA. Several genome-wide association studies (GWAS) have identified the tumor necrosis factor alpha inducible protein 3 (TNFAIP3) genes as one of...
Systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA) are multisystemic autoimmune diseases with multifactorial nature. Considering limitations of the current conventional serological tests for diagnosis of these diseases, researchers strive to find new and more valid biomarkers. The methylation level of interferon-induced protein 44-lik...
Colorectal cancer (CRC) is the third most common cause of cancer globally and the fourth attributable cause of mortality and morbidity due to cancer. An emerging factor contributing to CRC is the gut microbiota and the cellular changes associated with it. Further insights on this may help in the prevention, diagnosis and new therapeutic approaches...
Hypoxia is a common feature of solid tumors, and develops because of the rapid growth of the tumor that outstrips the oxygen supply, and impaired blood flow due to the formation of abnormal blood vessels supplying the tumor. It has been reported that tumor hypoxia can: activate angiogenesis, thereby enhancing invasiveness and risk of metastasis; in...
Background: 2019-nCoV (COVID-19) is a pandemic disease with a high infectivity and mortality. The prevention and treatment of COVID-19 have become urgent matters for consideration. It often takes several years to develop new drugs, or vaccines, based on the usual clinical trial process. This dwell-time can be shortened by repurposing previously app...
Background:
Systemic lupus erythematosus (SLE) is an autoimmune disease with multifactorial etiology. Several studies show that genetic factors have an important part in the incidence of SLE. The C1QTNF4 gene is involved in the regulation of the inflammatory pathways by pro-inflammatory function. In the present study, we have evaluated the associa...
There are conflicting reports regarding circulating leptin and its relationship between pregnancy outcomes in infertile women undergoing in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI). We performed a systematic review and meta-analysis to assess the association between serum or follicular fluid (FF) leptin concentrations re...
Cancer immunotherapy emerged as a novel therapeutic option that employs enhanced or amended native immune system to create a robust response against malignant cells. The systemic therapies with immune-stimulating cytokines have resulted in substantial dose-limiting toxicities. Targeted cytokine immunotherapy is being explored to overcome the hetero...
Diabetes mellitus (DM) is a major worldwide public health challenge, for which gene therapy offers a potential therapeutic approach. To date, no systematic review or meta-analysis has been published in this area, so we examined all relevant published studies on rodents to elucidate the overall effects of gene therapy on bodyweight, intraperitoneal...
Background/aim:
Gut microbiota plays an important role in colorectal cancer (CRC) and its composition in CRC patients can be influenced by ethnicity and tumour genomics. Herein, the aim was to study the possible associations of ethnicity and gene mutations with the gut microbiota in CRC patients.
Materials and methods:
Bacterial composition in s...
Background
Due to the growing prevalence of colorectal cancer (CRC), new screening and early detection methods are demanded. Among novel biomarkers, DNA methylation emerged as high potential diagnosis/screening molecular marker. The objective of this study was to assess non‐invasive early diagnosis of CRC by examining promoter methylation of TFPI2...
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Background
The optimal dose of anticoagulant warfarin varies among patients to achieve the target international normalised ratio. Although genetic variations related to warfarin pharmacokinetics and vitamin K cycle are important factors associated with warfarin dose requirements, these variations do not completely explain the large interindividual...
The Editor-in-Chief has decided to retract this article [1]. The article shows significant overlap with two prior publications by the same authors [2, 3], without providing the due citation and attribution.
Background:
The objectives of this study were to compare the interferon-induced protein 44-like (IFI44L) promoter methylation level between systemic lupus erythematosus (SLE) patients and healthy controls and to evaluate its diagnostic value in SLE.
Materials and methods:
The IFI44L promoter methylation level was measured in 49 patients with SLE...
The Editor-in-Chief has decided to retract this article [1]. The article shows significant overlap with two prior publications by the same authors [2, 3], without providing the due citation and attribution.
Single nucleotide polymorphisms (SNPs) in the recognition sites of microRNAs (miRNAs), located at 3' untranslated region (UTR) of mRNAs, interfere with posttranslational gene regulation. Deregulation of genes may contribute to some disease susceptibility including colorectal cancer (CRC). In the present study, in a case-control setup, 167 CRC patie...
Background:
Colorectal cancer (CRC) is rated as the second cause of cancer death worldwide. Selenium (Se) has antioxidant activity and antitumor effect, especially in colon cancer. This important role occurs through selenoproteins. Low Se intake or low plasma Se and selenoproteins concentrations are associated with higher risk of CRC. rs7579 polym...
Cytochrome P450 2D6 (CYP2D6) is an important drug-metabolizing enzyme involved in the pharmacokinetic metabolism of drugs. CYP2D6 gene is highly polymorphic, and the combination of its different alleles yields different phenotypes including extensive metabolizer (EM), intermediate metabolizer (IM), poor metabolizer (PM), and ultrarapid metabolizer...
Bleeding is the most serious complication of warfarin anticoagulation therapy and is known to occur even at patients with therapeutic international normalized ratio (INR) range. Recently, it has been shown that microRNAs play a significant role in pharmacogenetics by regulating genes that are critical for drug function. Interaction between microRNA...
Introduction: The polymorphic enzyme cytochrome P450 2D6 (CYP2D6) catalyzes a major step in the bioactivation of tamoxifen. Genotyping of clinically relevant CYP2D6 alleles and subsequent dose adjustment is a promising approach to individualize breast cancer therapy. The aim of this study was to investigate the relationship between the plasma level...
Background: Gene therapy is a recent promising treatment that effective gene transfer is considered as its most important step. Furthermore, noninvasive method of transfer will be important to, when gene therapy is supposed to be applied. Administration of drugs in oral route is more appreciated by patients. Loading and release rates are very impor...
Background: Colorectal cancer (CRC) is rated as the second cause of cancer death. Genetic determinants are considered as driving
forces in the development of sporadic CRC. Single‑nucleotide polymorphisms (SNPs), due to their abundance in the human genome
with collectively huge effect on cellular signaling pathways, are attributed as the main geneti...
Background: Both microRNAs (miRNAs) and long noncoding RNAs (lncRNAs) have been
shown to have a critical role in the regulation of cellular processes such as cell growth and
apoptosis, as well as cancer progression and metastasis. lncRNAs are aberrantly expressed in many
diseases including cancer. Although it is well known that miRNAs can target a...
Aim
In present study we have elucidated the role of 2758 A>G (rs696), in the recognition site of miR449a in the 3′ UTR of NFKB inhibitor alpha (NFKBIA) gene, in development of sporadic colorectal cancer.
Background
Colorectal cancer (CRC) is rated as second cause of cancer death. Genetic determinants are considered as driving forces in development...
A non-invasive diagnostic method based on biomarkers related to endothelial and mononuclear cell dysfunction can provide opportunities for screening and early treatment of atherosclerosis. This study aimed to construct a risk scoring model based on clinical risk factors and molecular markers (lncRNA SENCR and CD markers) at single-cell level for ea...
Background: Records from the cancer registry system of Iran indicate that colorectal cancer is the third most common cancer in Iranian men and fourth most common among Iranian women. In this study we have investigated the environmental factors associated with colorectal cancer in Isfahan, Iran. Methods: In this case-control study, we randomly selec...
Background
Grape exosome-like nanovesicles (GELNs) have the advantage of inherent biocompatibility and biodegradability, the potential to be used as oral delivery vehicles. The objective of this research was to evaluate the efficiency of Syrah GELN purification and their effects on the intestinal stem cells when orally administrated to the rats.
M...
Multiple sclerosis (MS) is a chronic inflammatory demyelinating disease of the central nervous system with unknown etiology, which typically is manifested in early to middle adulthood. Recently, genome-wide association studies have identified susceptibility of immune-related genes to be involved in MS predisposition. The goal of the current study w...
Background
The previously established methods for type 2 diabetes (T2D) have mainly concentrated on overt diabetes model development. Here, our intention was to create an animal model passing through distinct phases such as obesity with insulin resistance, prediabetes, and gradual progress to the overt diabetes stage. A high-fat high-carbohydrate d...
Background
Sulfonylureas are important drugs of choice for treatment of type 2 diabetes mellitus (T2DM). It is suggested that differential response to sulfonylureas from T2DM patients is under influence of single nucleotide polymorphisms in some of the target genes. In spite of favorable therapeutic effects, sulfonylureas are associated with some a...
Background:
Genetic determinants are considered as driving forces in development colorectal cancer (CRC), a malignancy that ranks as the second cause of cancer death in the world. Single nucleotide polymorphisms (SNPs), are considered as the main genetic factor in cancers susceptibility. MicroRNAs are critical players in posttranslational gene reg...
Background:
The relationship between dyslipidemia and type 2 diabetes mellitus (T2DM) has been frequently reported. Lipoprotein lipase (LPL) is considered to be an effective gene in regulating lipid profile. MicroRNAs (miRNAs) are small noncoding RNAs involved in posttranscriptional regulation of gene expression. In the present study, we have eval...
Background and aim of study:
Colorectal cancer (CRC) is among the most common cancers and accounts as the second leading cause of death from cancers in the world. RAD51 plays a crucial role in double-strand breaks repair of DNA. Single nucleotide polymorphisms within this gene could influence on the potential of DNA repair and in consequence on th...
Background
Cancer is the second cause of death after cardiovascular diseases worldwide. Tumor metastasis is the main cause of death in patients with cancer; therefore, unraveling the molecular mechanisms involved in metastasis is critical. Epithelial-mesenchymal transition (EMT) is believed to promote tumor metastasis. Based on the critical roles o...
Objective
Hearing loss (HL) is the most common sensory-neural defect and the most heterogeneous trait in humans, with the involvement of >100 genes, which make a molecular diagnosis problematic. Next-generation sequencing (NGS) is a new strategy that can overcome this problem.
Study Design
Descriptive experimental study.
Setting
Diagnostic labora...
Microsatellite instability (MSI) is a molecular hallmark for some colorectal cancers (CRCs) in which short tandem repeats are prone to mutations along with DNA sequences. It is due to DNA-mismatch-repair system deficiency because of a germline/somatic mutation in mismatch-repair (MMR) genes. The germline mutations lead to Lynch syndrome (LS) while...
Objective(s)
Multidrug resistance (MDR) is a major obstacle in the successful chemotherapy of ovarian cancer. Inhibition of P-glycoprotein (P-gp), a member of ATP-binding cassette (ABC) transporters, is a well-known strategy to overcome MDR in cancer. The aim of this study was to investigate the efficiency and ability of CRISPR/Cas9 genome editing...
Human adipose tissue has been identified as a viable alternative source for mesenchymal stem cells. SADSCs were isolated from human scalp biopsy and then were characterized by Flow cytometry. SADSCS expressed CD90, CD44, and CD105 but did not express CD45 surface marker. Growth factors were used for chondrogenesis induction. Histology and immunohis...
Background:
Peroxisome proliferator-activated receptor gamma (PPAR-γ) which controls body weight, glucose homeostasis, and adipocyte differentiation is a valuable candidate gene for insulin resistance (IR). The present study aimed to compare the effects of the Dietary Approaches to Stop Hypertension (DASH) diet and usual dietary advice (UDA) on PP...
Background
Gene editing technology has created a revolution in the field of genome editing. The three of the most famous tools in gene editing technology are zinc finger nucleases (ZFNs), transcription activator-like effector nucleases, clustered regularly interspaced short palindromic repeats (CRISPR), and CRISPR-associated systems. As their predi...
Mouse mammary tumor virus (MMTV) is considered to be responsible for breast tumor development in mice. In several instances sequences homologous to the genome of this virus have been reported in human breast cancer samples.
Here we aimed to evaluate MMTV involvement in human breast cancer development. DNA was extracted from 118 formalin fixed and p...
Ovarian cancer is the most lethal malignancy among the gynecological cancers, with a 5-year survival rate, mainly due to being diagnosed at advanced stages, recurrence and resistance to the current chemotherapeutic agents. Drug resistance is a complex phenomenon and the number of known involved genes and cross-talks between signaling pathways in th...
Background
Autosomal dominant polycystic kidney disease (ADPKD) is the most common genetic cause of end-stage renal disease. Although imaging techniques are a means of accurate diagnosis when the cysts appear in the third or fourth decades of the patient's life, they are of little value for early diagnosis. Genetic tests are required for preimplant...
Background:
Multiple sclerosis (MS) is an inflammatory disease of the central nervous system (CNS) which initiated and mediated by autoreactive T helper1 cells directed against myelin antigens. One of T cell surface receptors is T cell immunoglobulin and mucin domain (TIM) family which its importance in immunology is recently discovered. These mol...
Despite advances in treatment, children with acute lymphoblastic leukemia (ALL) still experience drug resistance and relapse. Several gene mutations are involved in the onset of this disease and resistance to therapy. The present study examines the incidence of IKZF1, CDKN2A/B, PAX5, EBF1, ETV6, BTG1, RB1, JAK2, and Xp22.33 gene deletions/duplicati...