Rongzhi Wang

Rongzhi Wang
Fujian Agriculture and Forestry University | FAFU · School of Life Sciences

ph.D

About

33
Publications
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763
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Publications

Publications (33)
Article
Full-text available
Given the application of αB-VxXXIVA-conotoxin (αB-CTX) in analgesics and cancer chemotherapeutics, and its threat to humans, it is urgent to develop a rapid, effective and accurate method for the analysis and detection of αB-CTX in real shellfish and medicine drug samples. In the present study, two different immunochromatographic strips were establ...
Article
Full-text available
In view of the toxicological hazard and important applications in analgesics and cancer chemotherapeutics of αB-CTX, it is urgent to develop an accurate, effective and feasible immunoassay for the determination and analysis of αB-CTX in real samples. In this study, MBP-αB-CTX4 tandem fusion protein was used as an immunogen to elicit a strong immune...
Article
Due to the threat of tenuazonic acid (TA) to public health, it is urgent to establish rapidly effective and sensitive assay methods for TA. In this study, a TA-specific IgG monoclonal antibody (McAb) with high affinity (Kaff was 1.72×10¹⁰ L/mol) was screened, and the developed icELISA for TA detection has IC50 of 2.50 ng/mL and LOD of 0.17 ng/mL. P...
Article
Owing to the threat of cadmium (Cd²⁺) to public health, it is an urgent demand to develop effective, sensitive, and rapid methods for the detection of cadmium. In this study, indirect competitive enzyme-linked immunosorbent assay (ic-ELISA) and immunochromatographic test strips (ICTS) were established for the determination of Cd²⁺ based on the obta...
Article
Lactoferrin (LF), a bioactive multifunctional protein of the transferrin family, is found mainly in the secretions of all mammals, especially in milk. In the present study, a hybridoma cell (LF8) secreting IgG against bovine LF was screened, and the purified LF8 mAb showed high specificity and affinity to bovine LF. The linear range of ic-ELISA to...
Article
Full-text available
Ochratoxins were important secondary metabolites secreted by fungi, and OTA and OTB are mainly significant mycotoxin, having toxic effects on humans and animals. Therefore, it is important to establish a rapid, sensitive, and precise method for ochratoxins detection and quantification in real samples. In this study, a stable monoclonal antibody (mA...
Article
The high content of Penicillic acid (PA) in the feed pose threat to human health and cause serious losses to economic wealth through the enrichment effect of the food chain. The reliable and rapidly detection of PA is of significant importance to ensure food safety. In this study, indirect competitive enzyme-linked immunosorbent assay (ic-ELISA) an...
Article
Full-text available
Podoplanin (PDPN), a 38 kDa transmembrane sialoglycoprotein from human, is expressed in lymphatic endothelial cells but not in vascular endothelial cells, and has been considered as a specific marker of lymph. In this study, the gene encoding the extracellular part of PDPN (ePDPN) was synthesized and used to expressed fusion protein ePDPN-His and G...
Article
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Background: Human chromogranin A (CgA) is a ~ 49 kDa secreted protein mainly from neuroendocrine cells and endocrine cells. The CgA values in the diagnosis of tumor, and in the potential role in prognostic and predictive tumor as a biomarker. Results: The synthesized gene of CgA coding area was cloned and expressed as fusion protein CgA-His in p...
Article
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Interferon gamma (IFN-γ), a signal proinflammatory cytokine secreted by immune cell, and plays a critical role in the pathogenesis and progression of many diseases. It has been regarded as an important marker for determination of disease-specific immune responses. Therefore, it is urgent to develop a feasible and accurate method to detect IFN-γ in...
Article
Full-text available
Brevetoxin-1 (BTX-1), a marine toxin mostly produced by the dinoflagellatae Karenia brevis, has caused the death of marine organisms and has had numerous toxicological effects on human health. Hence, it is very necessary to develop a rapid, economical, and reliable immunoassay method for BTX-1 detection. In this study, two kinds of complete antigen...
Article
Domoic acid is a potent neurotoxin, glutamate agonist and natural marine biotoxin. It is produced by several diatom algal species of genetically diverse genus Pseudo-nitzschia, red alga Chondria armata and other related species. Historically, widespread domoic acid intoxication incidents have occurred globally. Particularly, in 1987, domoic acid ca...
Article
Okadaic Acid (OA), a small seafood-borne toxin secreted by Dinophysis and Prorocentrum dinoflagellates, is generally distributed in various species of shellfish and has caused diarrhetic shellfish poisoning (DSP). In view of OA toxin threat to humans and animals, it is essential to develop a rapid, accurate and sensitive method for the detection an...
Article
Full-text available
Since the development of antibody-production techniques, a number of immunoglobulins have been developed on a large scale using conventional methods. Hybridoma technology opened a new horizon in the production of antibodies against target antigens of infectious pathogens, malignant diseases including autoimmune disorders, and numerous potent toxins...
Article
Citreoviridin (CIT), a small food-borne mycotoxin produced by Penicillium citreonigrum, is generally distributed in various cereal grains and farm crop products around the world, and has caused cytotoxicity as an uncompetitive inhibitor of ATP hydrolysis. A high affinity single chain variable fragment (scFv) antibody that can detect the citreovirid...
Article
Full-text available
Microsatellites or short sequence repeats are widespread genetic markers which are hypermutable 1-6bp long short nucleotide motifs. Significantly, their applications in genetics are extensive due to their ceaseless mutational degree, widespread length variations and hypermutability skills. These features make them useful in determining the driving...
Article
Fumonisin B1 (FB1) is the most common and highest toxic of fumonisins species, exists frequently in corn and corn-based foods, leading to several animal and human diseases. Furthermore, FB1 was reported that it was associated with the human esophageal cancer. In view of the harmful of FB1, it is urgent to develop a feasible and accuracy method for...
Article
A monoclonal hybridoma cell named 5B9 against tetrodotoxin (TTX) was obtained after fusion of myeloma SP2/0 cells with spleen cells isolated from the immunized Balb/c mice. The 5B9 monoclonal antibody (McAb) with high affinity (about 2.55×10(9)) is specific to TTX, and this McAb belongs to the immunoglobulin G (IgG) isotype. Finally, an enzyme-link...
Article
Full-text available
A fluorobody is a manmade hybrid molecule that is composed of green fluorescent protein (GFP) and a fragment of antibody, which combines the affinity and specificity of an antibody with the visibility of a GFP. It is able to provide a real-time indication of binding while avoiding the use of tags and secondary binding reagents. Here, the expression...
Article
Vibrio parahaemolyticus, a Gram-negative motile bacterium that inhabits marine and estuarine environments throughout the world, is a major food-borne pathogen that causes life-threatening diseases in humans after the consumption of raw or undercooked seafood. The global occurrence of V. parahaemolyticus accentuates the importance of investigating i...
Article
Full-text available
Vibrio parahaemolyticus, a Gram-negative motile bacterium that inhabits marine and estuarine environments throughout the world, is a major food-borne pathogen that causes life-threatening diseases in humans after the consumption of raw or undercooked seafood. The global occurrence of V. parahaemolyticus accentuates the importance of investigating i...
Article
Full-text available
Vibrio parahaemolyticus, a halophilic gram-negative bacterium, is a food-borne pathogen that largely inhabits marine and estuarine environments, and poses a serious threat to human and animal health all over the world. The hollow “needle” channel, a specific assemble of T3SS which exists in most of gram-negative bacteria, plays a key role in the tr...
Article
Full-text available
ScFv antibodies are widely used as diagnostic and therapeutic agents or biosensors for a majority of human disease. However, the limitations of the present scFv antibody in terms of stability, solubility and affinity are challenging to produce by the traditional antibody screening and expression formats. Here we described a feasible strategy for cr...
Article
Fumonisin B1 (FB1) is one of the mycotoxins produced by Fusariumverticillioides, which was mainly found in corn and related products. FB1 was small molecule with no immunogenicity, so it should be conjugated to carrier proteins such as BSA (bovine serum albumin) or KLH (keyhole limpet hemocyanin) to generate immunogenicity. In this study, conjugate...
Article
Full-text available
Single-chain variable fragment (scFv) is a class of engineered antibodies generated by the fusion of the heavy (VH) and light chains (VL) of immunoglobulins through a short polypeptide linker. ScFv play a critical role in therapy and diagnosis of human diseases, and may in fact also be developed into a potential diagnostic and/or therapeutic agent....
Article
Full-text available
Vibrio parahaemolyticus is a halophilic bacterium that is widely distributed in water resources. The bacterium causes lethal food-borne diseases and poses a serious threat to human and animal health all over the world. The major pathogenic factor of V. parahaemolyticus is thermolabile hemolysin (TLH), encoded by the tlh gene, but its toxicity mecha...
Article
In this paper, we developed a rapid and accurate method for the detection of Vibrio parahaemolyticus strains, using multiplex PCR and DNA-DNA hybridization. Multiplex PCR was used to simultaneously amplify three diagnostic genes (tlh, tdh and fla) that serve as molecular markers of V. parahaemolyticus. Biotinylated PCR products were hybridized to p...

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