Delving into the Latest Updates on Razi Vaccine & Serum Research Institute with Synapse

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Respiratory Diseases

Infectious Diseases

Genetically engineered subunit vaccine

Disease domain score

A glimpse into the focused therapeutic areas

Technology Platform

Most used technologies in drug development

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Disease Domain	Count

Infectious Diseases	1

Top 5 Drug Type	Count

Genetically engineered subunit vaccine	1

Top 5 Target	Count

SARS-CoV-2 S protein	1

Acinetobacter baumannii, is among the highest priority bacteria according to the WHO categorization which necessitate the exploration of alternative strategies such as vaccination. OmpA, BamA, and Omp34 are assigned as appropriate antigens to serve in vaccine development against this pathogen. Experimentally validated exposed epitopes of OmpA and Omp34 along with selected exposed epitopes predicted by an integrative in silico approach were represented by the barrel domain of BamA as a scaffold. Among the 8 external loops of BamA, 5 loops were replaced with selected loops of OmpA and Omp34. The designed antigen was analyzed regarding the physicochemical properties, antigenicity, epitope retrieval, topology, structure, and safety. BamA is a two-domain OMP with a 16-stranded barrel in which L4, L6, and L7 were the longest loops of BamA in order. The designed antigen consisted of 478 amino acids with antigen probability of 0.7793. The novel antigen was a 16-stranded barrel. No identical 8-meric peptides were found in the human proteome against the designed antigen sequence. The designed construct was safe regarding the allergenicity, toxicity, and human proteome reactivity. The designed antigen could develop higher protection against A. baumannii in comparison to either OmpA, BamA, or Omp34 alone.

01 Dec 2024·Journal of Clinical Tuberculosis and Other Mycobacterial Diseases

Isolation and identification of non-tuberculous mycobacteria from aquarium fish in Ilam, Iran

Article

Author: Tadayon, Keyvan ; Mosavari, Nader ; Yazdanmanesh, Mohammad ; Bagherian Koshkghazi, Darya

Non-tuberculous mycobacteria (NTM) are among the most important pathogens in wild, captive, marine, and freshwater fish species. So, it is important to consider fish as the primary source of infection for aquarium fish and humans. The present study analyzed the occurrence of NTM in aquarium fish in Ilam, west of Iran. In total, 50 samples of infected fish were collected from different aquariums. Following initial sample processing, sediment of each sample was inoculated into Lowenstein-Jensen and Herrold egg media. The positive colonies were investigated with, growth rate, pigmentation, colony morphology, niacin accumulation, nitrate reduction, catalase activity, urease activity, and arylsulfatase activity. Also, molecular identification was carried out by sequencing of heat shock protein 65 kD gene (hsp65) sequence analysis. According to our results, NTM were isolated from 13 samples (26%), comprising 6 (46.2%) rapid growing, and 7 (53.8%) slow growing mycobacteria. In addition, Mycobacterium marinum was the most common NTM isolated in ornamental fish, which is potentially dangerous for both fish and humans. In conclusion, the current study indicates that ornamental fish play a significant role as a source of NTM.

01 Dec 2024·Molecular and Biochemical Parasitology

Strategies for diagnosing Nosema bombycis (Microsporidia: Nosematidae); the agent of pebrine disease

Review

Author: Bagheri, Masoumeh ; Zahmatkesh, Azadeh ; Dehghan, Shirin

Pebrine disease, caused by Nosema bombycis (N. bombycis), is the most important pathogen known to the silk industry. Historical evidence from several countries shows that the outbreaks of pebrine disease have largely caused the decline of the sericulture industry. Prevention is the first line to combat pebrine as a deadly disease in silkworm; however, no effective treatment has yet been presented to treat the disease. Many different methods have been used for detection of pebrine disease agent. This review focuses on the explanation and comparison of these methods, and describes their advantages and/or disadvantages. Also, it highlights the ongoing advances in diagnostic methods for N. bombycis that could enable efforts to halt this microsporidia infection. The detection methods are categorized as microscopic, immunological and nucleic acid-based approaches, each with priorities over the other methods; however, the suitability of each method depends on the available equipment in the laboratory, the mass of infection, and the speed and sensitivity of detection. The accessibility and economic efficiency are compared as well as the speed and the sensitivity for each method. Although, the light microscopy is the most common method for detection of N. bombycis, qPCR is the most preferred method for large data based on speed and sensitivity as well as early detection ability.

100 Deals associated with Razi Vaccine & Serum Research Institute

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100 Translational Medicine associated with Razi Vaccine & Serum Research Institute

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Pipeline

Pipeline Snapshot as of 17 Nov 2024

The statistics for drugs in the Pipeline is the current organization and its subsidiaries are counted as organizations,Early Phase 1 is incorporated into Phase 1, Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3

Phase 3 Clinical

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