Current protein & peptide science最新文献

{"title":"Plant bZIP Proteins: Potential use in Agriculture - A Review.","authors":"Cláudia Regina Batista de Souza, Cleyson Pantoja Serrão, Nicolle Louise Ferreira Barros, Sávio Pinho Dos Reis, Deyvid Novaes Marques","doi":"10.2174/0113892037261763230925034348","DOIUrl":"10.2174/0113892037261763230925034348","url":null,"abstract":"<p><p>With global climate changes and the increased demand for food due to expected world population growth, genetic improvement programs have aimed at producing crops with increased yield and tolerance to environmental stresses, such as drought, salinity, and pathogens. On the other hand, genetic improvement programs <i>via</i> biotechnology require candidate genes that confer traits of interest to be incorporated into improved crops. In this regard, genes encoding transcription factors (TFs) can be promising since they are proteins that transcriptionally regulate the expression of target genes related to the most diverse roles in the plant, including defense against stresses. Among TFs, bZIP (basic leucine zipper) proteins regulate many developmental and physiological processes in the plant, such as seed formation, fruit ripening, nutrient assimilation, and defense response to abiotic and biotic stresses. In this review, we aim to highlight the main advances in the potential use of bZIP TFs in the genetic improvement of crops. We address this potential mainly regarding crop tolerance to stresses and other agricultural traits, such as increased yield and fruit features.</p>","PeriodicalId":10859,"journal":{"name":"Current protein & peptide science","volume":" ","pages":"107-119"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41182271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design and Simulation of the Microcantilever Biosensor for MITF Antigen and D5 Monoclonal Antibody Interaction Finite Element Analysis, and Experimental.","authors":"Pelin Akcali, Kübra Kelleci, Sevil Ozer","doi":"10.2174/0113892037259122231013153546","DOIUrl":"10.2174/0113892037259122231013153546","url":null,"abstract":"<p><strong>Background: </strong>Biosensors and MEMS have witnessed rapid development and enormous interest over the past decades. Constant advancement in diagnostic, medical, and chemical applications has been demonstrated in several platforms and tools. In this study, the analytical and FEA of the microcantilever used in biomolecular analyses were compared with the experimental analysis results.</p><p><strong>Methods: </strong>In this study, MITF antigen, which is a melanoma biomarker, and anti-MITF antibody (D5) were selected as biomolecules. A MEMS-type microcantilever biosensor was designed by functionalizing the AFM cantilever by utilizing the specific interaction dynamics and intermolecular binding ability between both molecules. Surface functionalization of cantilever micro biosensors was performed by using FEA. The stress that will occur as a result of the interactions between the MITF-D5 has been determined from the deviation in the resonant frequency of the cantilever.</p><p><strong>Results: </strong>It has been found that the simulation results are supported by analytical calculations and experimental results.</p><p><strong>Conclusion: </strong>The fact that the results of the simulation study overlap with the experimental and mathematical results allows us to get much cheaper and faster answers compared to expensive and time-consuming experimental approaches.</p>","PeriodicalId":10859,"journal":{"name":"Current protein & peptide science","volume":" ","pages":"256-266"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71421454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Emerging Role of Non-collagenous Bone Proteins as Osteokines in Extraosseous Tissues.","authors":"Kenda Jawich, Rana Hadakie, Souhaib Jamal, Rana Habeeb, Sahar Al Fahoum, Alberto Ferlin, Luca De Toni","doi":"10.2174/0113892037268414231017074054","DOIUrl":"10.2174/0113892037268414231017074054","url":null,"abstract":"<p><p>Bone is a unique tissue, composed of various types of cells embedded in a calcified extracellular matrix (ECM), whose dynamic structure consists of organic and inorganic compounds produced by bone cells. The main inorganic component is represented by hydroxyapatite, whilst the organic ECM is primarily made up of type I collagen and non-collagenous proteins. These proteins play an important role in bone homeostasis, calcium regulation, and maintenance of the hematopoietic niche. Recent advances in bone biology have highlighted the importance of specific bone proteins, named \"osteokines\", possessing endocrine functions and exerting effects on nonosseous tissues. Accordingly, osteokines have been found to act as growth factors, cell receptors, and adhesion molecules, thus modifying the view of bone from a static tissue fulfilling mobility to an endocrine organ itself. Since bone is involved in a paracrine and endocrine cross-talk with other tissues, a better understanding of bone secretome and the systemic roles of osteokines is expected to provide benefits in multiple topics: such as identification of novel biomarkers and the development of new therapeutic strategies. The present review discusses in detail the known osseous and extraosseous effects of these proteins and the possible respective clinical and therapeutic significance.</p>","PeriodicalId":10859,"journal":{"name":"Current protein & peptide science","volume":" ","pages":"215-225"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71479173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intercellular Interactions Mediated by HGF And TGF-Β Promote the 3D Spherical and Xenograft Growth of Liver Cancer Cells.","authors":"Zheng Peng, Xiaolan Lv, Pengfei Zhang, Qiao Chen, Hongyu Zhang, Jianlin Chen, Xingxuan Ma, Bohui Ouyang, Meng Hao, Haibo Tong, Dongwei Guo, Yi Luo, Shigao Huang","doi":"10.2174/1389203724666230825100318","DOIUrl":"10.2174/1389203724666230825100318","url":null,"abstract":"<p><strong>Background: </strong>Recently, the importance of the interactions between liver cancer cells and fibroblasts has been increasingly recognized; however, many details remain to be explored.</p><p><strong>Methods: </strong>In this work, we first studied their intercellular interactions using conditioned medium from mouse embryonic fibroblasts (MEFs), then through a previously established coculture model.</p><p><strong>Results: </strong>Culturing in a conditioned medium from MEFs could significantly increase the growth, migration, and invasion of liver cancer cells. The coculture model further demonstrated that a positive feedback loop was formed between transforming growth factor-β (TGF-β) from HepG2 cells and mHGF (mouse hepatocyte growth factor) from MEFs during coculture. In this feedback loop, c-Met expression in HepG2 cells was significantly increased, and its downstream signaling pathways, such as Src/FAK, PI3K/AKT, and RAF/MEK/ERK, were activated. Moreover, the proportion of activated MEFs was also increased. More importantly, the growth-promoting effects caused by the interaction of these two cell types were validated <i>in vitro</i> by a 3D spheroid growth assay and <i>in vivo</i> by a xenograft mouse model.</p><p><strong>Conclusion: </strong>Collectively, these findings provide valuable insights into the interactions between fibroblasts and liver cancer cells, which may have therapeutic implications for the treatment of liver cancer.</p>","PeriodicalId":10859,"journal":{"name":"Current protein & peptide science","volume":" ","pages":"71-82"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10111453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Comprehensive Review on the Significance of Cysteine in Various Metabolic Disorders; Particularly CVD, Diabetes, Renal Dysfunction, and Ischemic Stroke.","authors":"Namra Aziz, Pranay Wal, Rishika Sinha, Prashant Ramesh Shirode, GunoSindhu Chakraborthy, Mukesh Chandra Sharma, Pankaj Kumar","doi":"10.2174/0113892037287215240424090908","DOIUrl":"10.2174/0113892037287215240424090908","url":null,"abstract":"<p><p>Metabolic disorders have long been a challenge for medical professionals and are a leading cause of mortality in adults. Diabetes, cardiovascular disorders (CVD), renal dysfunction, and ischemic stroke are the most prevalent ailments contributing to a high mortality rate worldwide. Reactive oxygen species are one of the leading factors that act as a fundamental root cause of metabolic syndrome. All of these disorders have their respective treatments, which, to some degree, sabotage the pathological worsening of the disease and an inevitable death. However, they pose a perilous health hazard to humankind. Cysteine, a functional amino acid shows promise for the prevention and treatment of metabolic disorders, such as CVD, Diabetes mellitus, renal dysfunction, and ischemic stroke. In this review, we explored whether cysteine can eradicate reactive oxygen species and subsequently prevent and treat these diseases.</p>","PeriodicalId":10859,"journal":{"name":"Current protein & peptide science","volume":" ","pages":"682-707"},"PeriodicalIF":1.9,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141065211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bile Acids as Signaling Molecules: Role of Ursodeoxycholic Acid in Cholestatic Liver Disease.","authors":"Eduardo Cifuentes-Silva, Claudio Cabello-Verrugio","doi":"10.2174/1389203724666230818092800","DOIUrl":"10.2174/1389203724666230818092800","url":null,"abstract":"<p><p>Ursodeoxycholic acid (UDCA) is a natural substance physiologically produced in the liver. Initially used to dissolve gallstones, it is now successfully used in treating primary biliary cirrhosis and as adjuvant therapy for various hepatobiliary cholestatic diseases. However, the mechanisms underlying its beneficial effects still need to be clarified. Evidence suggests three mechanisms of action for UDCA that could benefit humans with cholestatic liver disease (CLD): protection of cholangiocytes against hydrophobic bile acid (BA) cytotoxicity, stimulation of hepatobiliary excretion, and protection of hepatocytes against BA-induced apoptosis. These mechanisms may act individually or together to potentiate them. At the molecular level, it has been observed that UDCA can generate modifications in the transcription and translation of proteins essential in the transport of BA, correcting the deficit in BA secretion in CLD, in addition to activating signaling pathways to translocate these transporters to the sites where they should fulfill their function. Inhibition of BA-induced hepatocyte apoptosis may play a role in CLD, characterized by BA retention in the hepatocyte. Thus, different mechanisms of action contribute to the improvement after UDCA administration in CLD. On the other hand, the effects of UDCA on tissues that possess receptors that may interact with BAs in pathological contexts, such as skeletal muscle, are still unclear. This work aims to describe the main molecular mechanisms by which UDCA acts in the human body, emphasizing the interaction in tissues other than the liver.</p>","PeriodicalId":10859,"journal":{"name":"Current protein & peptide science","volume":" ","pages":"206-214"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10012709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Protein Engineering in Cyanobacterial Biotechnology: Tools and Recent Updates.","authors":"Swati Tyagi, Srabani Kar, Amit Srivastava, Pratyoosh Shukla","doi":"10.2174/1389203724666230822100104","DOIUrl":"10.2174/1389203724666230822100104","url":null,"abstract":"<p><p>Cyanobacteria have emerged as a microbial cell factory to produce a variety of bioproducts, including peptides and proteins. Cyanobacteria stand out among other organisms due to their photoautotrophic metabolism and ability to produce a wide range of metabolites. As photoautotrophic hosts can produce industrial compounds and proteins by using minimal resources such as sunlight, atmospheric carbon dioxide, and fewer nutrients, cyanobacteria are cost-effective industrial hosts. Therefore, the use of protein engineering tools for rational protein design, and the desired modification of enzyme activity has become a desirable undertaking in cyanobacterial biology. Protein engineering can improve their biological functions as well as the stability of their intracellular proteins. This review aims to highlight the success of protein engineering in the direction of cyanobacterial biotechnology and outlines the emerging technologies, current challenges, and prospects of protein engineering in cyanobacterial biotechnology.</p>","PeriodicalId":10859,"journal":{"name":"Current protein & peptide science","volume":" ","pages":"95-106"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10041969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Unfolded Protein Response Signaling in Hepatic Stem Cell Activation in Liver Fibrosis.","authors":"Zohreh Salimi, Mehdi Rostami, Yaser Eshaghi Milasi, Alireza Mafi, Ramin Raoufinia, Amirhossein Kiani, Fariba Sakhaei, Behrooz Ghezelbash, Alexandra E Butler, Maryam Mohammad-Sadeghipour, Amirhossein Sahebkar","doi":"10.2174/1389203724666230822085951","DOIUrl":"10.2174/1389203724666230822085951","url":null,"abstract":"<p><p>Frequent exposure to various external and internal adverse forces (stresses) disrupts cell protein homeostasis through endoplasmic reticulum (ER) capacity saturation. This process leads to the unfolded protein response (UPR), which aims to re-establish/maintain optimal cellular equilibrium. This complex mechanism is involved in the pathogenesis of various disorders, such as metabolic syndrome, fibrotic diseases, neurodegeneration, and cancer, by altering cellular metabolic changes integral to activating the hepatic stellate cells (HSCs). The development of hepatic fibrosis is one of the consequences of UPR activation. Therefore, novel therapies that target the UPR pathway effectively and specifically are being studied. This article covers the involvement of the UPR signaling pathway in cellular damage in liver fibrosis. Investigating the pathogenic pathways related to the ER/UPR stress axis that contribute to liver fibrosis can help to guide future drug therapy approaches.</p>","PeriodicalId":10859,"journal":{"name":"Current protein & peptide science","volume":" ","pages":"59-70"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10051372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An Update on Dipeptidyl Peptidase-IV Inhibiting Peptides.","authors":"Sachithanantham Annapoorani Sivaraman, Varatharajan Sabareesh","doi":"10.2174/0113892037287976231212104607","DOIUrl":"10.2174/0113892037287976231212104607","url":null,"abstract":"<p><p>Diabetes is a chronic metabolic disorder. According to the International Diabetes Federation, about 537 million people are living with diabetes. The two types of diabetes are type 1 diabetes mellitus (T1DM) and type 2 diabetes mellitus (T2DM), among which the population affected by T2DM is relatively higher. A major reason for T2DM is that insulin stimulation is hampered due to the inactivation of incretin hormones. Dipeptidyl peptidase-IV (DPP-IV) is a serine protease that is directly involved in the inactivation of incretin hormones, e.g., glucagon-like peptide-1 (GLP-1). Therefore, the inhibition of DPP-IV can be a promising method for managing T2DM, in addition to other enzyme inhibition strategies, such as inhibition of α-amylase and α -glucosidase. Currently, about 12 different gliptin drugs are available in the market that inhibit DPP-IV in a dose-dependent manner. Instead of gliptins, 'peptides' can also be employed as an alternative and promising way to inhibit DPP-IV. Peptide inhibitors of DPP-IV have been identified from various plants and animals. Chemically synthesized peptides have also been experimented for inhibiting DPP-IV. Most peptides have been analysed by biochemical assays, whereas some <i>in vitro</i> assays have also been reported. Molecular docking analysis has been applied to comprehend the mechanism of inhibition. In this review, certain aspects of natural as well as synthetic peptides are described that have been proven to inhibit DPP-IV.</p>","PeriodicalId":10859,"journal":{"name":"Current protein & peptide science","volume":" ","pages":"267-285"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139086260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of Novel HLM Peptide Activity and Toxicity against Planktonic and Biofilm Bacteria: Comparison to Standard Antibiotics.","authors":"Majed M Masadeh, Haneen Alshogran, Mohammad Alsaggar, Salsabeel H Sabi, Enaam M Al Momany, Majd M Masadeh, Nasr Alrabadi, Karem H Alzoubi","doi":"10.2174/0113892037291252240528110516","DOIUrl":"10.2174/0113892037291252240528110516","url":null,"abstract":"<p><strong>Background: </strong>Antibiotic resistance is one of the main concerns of public health, and the whole world is trying to overcome such a challenge by finding novel therapeutic modalities and approaches. This study has applied the sequence hybridization approach to the original sequence of two cathelicidin natural parent peptides (BMAP-28 and LL-37) to design a novel HLM peptide with broad antimicrobial activity.</p><p><strong>Methods: </strong>The physicochemical characteristics of the newly designed peptide were determined. As well, the new peptide's antimicrobial activity (Minimum Inhibitory Concentration (MIC), Minimum Bacterial Eradication Concentration (MBEC), and antibiofilm activity) was tested on two control (<i>Staphylococcus aureus</i> ATCC 29213, <i>Escherichia coli</i> ATCC 25922) and two resistant (Methicillin-resistant <i>Staphylococcus aureus</i> (MRSA) ATCC BAA41, New Delhi metallo-beta- lactamase-1 Escherichia coli ATCC BAA-2452) bacterial strains. Furthermore, synergistic studies have been applied to HLM-hybridized peptides with five conventional antibiotics by checkerboard assays. Also, the toxicity of HLM-hybridized peptide was studied on Vero cell lines to obtain the IC₅₀ value. Besides the percentage of hemolysis action, the peptide was tested in freshly heparinized blood.</p><p><strong>Results: </strong>The MIC values for the HLM peptide were obtained as 20, 10, 20, and 20 μM, respectively. Also, the results showed no hemolysis action, with low to slightly moderate toxicity action against mammalian cells, with an IC₅₀ value of 10.06. The Biomatik corporate labs, where HLM was manufactured, determined the stability results of the product by Mass Spectrophotometry (MS) and High-performance Liquid Chromatography (HPLC) methods. The HLM-hybridized peptide exhibited a range of synergistic to additive antimicrobial activities upon combination with five commercially available different antibiotics. It has demonstrated the biofilm-killing effects in the same concentration required to eradicate the control strains.</p><p><strong>Conclusion: </strong>The results indicated that HLM-hybridized peptide displayed a broad-spectrum activity toward different bacterial strains in planktonic and biofilm forms. It showed synergistic or additive antimicrobial activity upon combining with commercially available different antibiotics.</p>","PeriodicalId":10859,"journal":{"name":"Current protein & peptide science","volume":" ","pages":"826-843"},"PeriodicalIF":1.9,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141442238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}