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Journal : Universa Medicina

Interleukin-22-induced β‑defensin-2 expression by intranasal immunization with Streptococcus pneumoniae RrgB epitopes Mufida, Diana Chusna; Saputra, Antonius Dwi; Hermansyah, Bagus; Agustina, Dini; Shodikin, Muhammad Ali; Armiyanti, Yunita
Universa Medicina Vol. 41 No. 1 (2022)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2022.v41.37-46

Abstract

BackgroundStreptococcus pneumoniae causes pneumococcal disease, which is responsible for millions of deaths worldwide. Various pneumococcal vaccine candidates have been developed to prevent S. pneumoniae infection, one of which is an epitope-based vaccine. This study aimed to prove that intranasal immunization with each of the five S. pneumoniae RrgB epitopes can induce a mucosal immune response by increasing the β-defensin-2 concentration through upregulation of interleukin (IL)-22 expression. MethodsAn experimental laboratory study was conducted using 28 male Wistar rats aged 3-4 months, that were randomly divided into 7 groups containing four rats each. Group 1 was given 40 mL of phosphate-buffered saline (PBS) only (control group). Group 2 was the adjuvant group that received 40 mL PBS containing 2 ìg cholera toxin B (CTB), and groups 3-7 were immunized with 40 mL PBS containing a combination of adjuvant and one of the five different S. pneumoniae RrgB epitopes. The concentrations of IL-22 and β-defensin-2 from nasal rinse examination were measured by means of ELISA. The Kruskal-Wallis test, followed by the Mann-Whitney post-hoc test were used for statistical analysis. ResultsRats immunized with the adjuvant-epitope combination had significantly higher β-defensin-2 and IL-22 levels than the control group (p=0.030; p=0.018, respectively), according to the Kruskal-Wallis test. And the Mann-Whitney statistical test, showed there was a significant increase in β-defensin-2 and IL-22 levels. ConclusionsIntranasal immunization with epitope 1 of the S. pneumoniae RrgB can increase β-defensin-2 expression significantly and has a greater potential to be developed into a pneumococcal vaccine.
Parasite immunomodulatory role in reducing the prevalence of COVID-19 in endemic regions Hermansyah, Bagus; Agustina, Dini; Zulaikha, Siti; Habibi, Ali
Universa Medicina Vol. 41 No. 1 (2022)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2022.v41.90-99

Abstract

Nearly 35 million cases and one million deaths over the nine months of the COVID-19 pandemic have been reported worldwide. Africa and some countries with endemic parasitic infections had a low incidence of COVID-19. By contrast, the United States and several European countries, having a non-endemicity of parasitic infections, recorded a high incidence of COVID-19. Some parasites have an immunomodulatory mechanism that can induce an immune tolerance state in the infected persons by balancing pro-inflammatory and anti-inflammatory responses. Emerging reports also stated that COVID-19 and helminth co-infections may have more hidden outcomes than predictable ones. Hence, the aim of this literature review is to show and identify that an increase in the number of regulatory immune cells due to the immunomodulatory role of a pre-existing parasitic infection could reduce the risk of COVID-19. This study explored the existing literature to determine the role of parasitic infections in modulating the immune response and possibly reduce the risk of COVID-19 infection in endemic countries. The mechanism of immunomodulation by parasites is the increased numbers of Treg cells, M2 macrophages, eosinophils, the Th2 cytokines IL-4 and IL-5, and the pro-inflammatory downregulation of IFN λ, TNF α, and IL-6, which play an essential role in inducing cytokine storms in COVID-19 infection. This condition will probably occur in an individual with parasitic infection in a community with limited facilities and infrastructure to treat parasitic infections, particularly in developing countries. To conclude, in endemic areas, the immunomodulatory effect of parasitic infection to reduce the risk of COVID-19 cases/deaths is a possibility if the host is immunocompetent. Herein, the current knowledge on the immunomodulatory role of COVID-19 and helminth co-infections will be discussed.
Systematic review and meta-analysis of antibiotic strategies for survival in patients with drug-resistant Acinetobacter baumannii infection: does quantity matter? De Rorna, Masrahma Reinataya; Ramadhani, Alfiyah; Hibatulloh, Muhammad Farhan; Agustina, Dini
Universa Medicina Vol. 44 No. 2 (2025)
Publisher : Faculty of Medicine, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2025.v44.232-244

Abstract

Background Acinetobacter baumannii is an opportunistic pathogen frequently associated with severe hospital-acquired infections, particularly in intensive care units, and is characterized by high levels of antibiotic resistance, including to carbapenems. The rising prevalence of multidrug- and pan-drug-resistant strains poses significant therapeutic challenges and underscores the need for optimized treatment strategies to improve survival outcomes. This systematic review and meta-analysis evaluates the impact of different antibiotic treatment modalities (monotherapy versus combination) on the clinical outcome of patients with Acinetobacter baumannii infection. Methods This systematic review and meta-analysis followed Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. To find pertinent studies released up to 3 January 2025 a thorough search was done in electronic databases such as PubMed, Embase, ScienceDirect, Cochrane, EBSCOhost, Google Scholar, and Scopus.  Results This systematic review and meta-analysis identified 20 studies for inclusion. No statistically significant overall survival difference was found (Pooled OR = 0.83, 95% CI [0.66- 1.03], p = 0.09), but subgroup analyses indicated that combination therapy markedly enhanced survival rates in patients with carbapenem-resistant Acinetobacter baumannii  (CRAB) infection, APACHE II scores below 20, and bloodstream infections. Meta-regression suggested that age may adversely affect treatment efficacy.   A trend favoring combination therapy was consistent across subgroups, despite some results not reaching statistical significance. Conclusion This systematic review and meta-analysis highlights the treatment challenges of drug-resistant Acinetobacter baumannii, particularly MDRAB, XDRAB, and CRAB strains. Combination therapy offers potential benefits in CRAB and moderate-severity cases but is not universally superior to monotherapy. Treatment outcomes are influenced by patient-specific factors such as age, infection type, and disease severity.
Co-Authors Ali Santosa Anaditya Wahyu Kumudhaningsih Anastasia Citra Purwani Angga Mardro Raharjo Angga Mardro Raharjo, Angga Mardro Aprilya Pratiwi, Nadilla Arief Subhan Aryasatya, Dimas Widyadhana Bhanu Astuti Setyawardani Bagus Dwi Kurniawan Bagus Dwi Kurniawan Bagus Hermansyah Bagus Hermansyah Budi Suharjo Cahyaningrum, Endiningtyas Cholis Abrori, Cholis Cicih Komariah De Rorna, Masrahma Reinataya Denaneer Rahmadatu Desie Dwi Wisudanti Diana C. Mufida Diana Chusna Mufida Diana Chusna Mufida Dina Helianti Dion Krismashogi Dharmawan Dua , Mikhael Dwita Aryadina Rachmawati El Milla, Kardiana Izza Ellen Ocktavironita Elvia Rahmi Marga Putri Enny Suswanti ENNY SUSWATI Enny Suswati Erfan Efendi Erma Sulistyaningsih Fitri, Nadya Eka Gama Wisnu Sanjaya Habib Mustofa Habibbur Rochman Salim Habibi, Ali Hamzah, Salsabilla Maula Zalfa El Hanifa Rizki A.S. Hibatulloh, Muhammad Farhan Hidayat Hidayat Himma, Alyatul I Nyoman Semita Iftinan, Karenzha Ika Rahmawati Sutejo Intan Palupi Irawan Fajar Kusuma Jamalullail, Jamalullail Jauhani, Muhammad Afiful Jauhar Firdaus Kirana Nadyatara Kristianningrum Dian Sofiana Kusiyanto Taslim, Fitranda Laila Rizqi Kurniawati Lailatis Shofia Laksmi Indreswari M. Ali Shodikin Mei Liana Wati Miftakhul Huda Muhammad A. Shodikin Muhammad Ali Shodikin Muhammad Dimas Arya Candra Permana Mukhamad Najib Napitupulu , Frengki Nastiti Bekti Utami Nihayah Lukman Nisrina Salsabila Firmansyah Nita Alfianti Noorhamdani AS Noorhamdani AS Nugraha, Bima Setia Sandya Nurul Indah Saffanah Nurul Indah Saffanah Nurus Saffana Yulianto Pralampita, Pulong Wijang Primadana, Aditya Putra Uta, Diego Rafi Putra, Muhamad Dwi Eka Putra, Yudha Ananta Khaerul Ramadhani, Alfiyah Regina Finka Rinda Yanuarisa Rony Prasetyo Rosita Dewi Rustono - Ryan Ravi Is Syahputra S.Pd. M Kes I Ketut Sudiana . Sa'adah, Ajeng Samrotu Sakinah, Elly N Salsabila, Yuna Annisa Salsabilla Maula Zalfa El Hamzah Saputra, Antonius Dwi Sarah Marsa Tamimi Semita, I Nyoman septa surya wahyudi, septa surya Setyawardani, Astuti Sheilla Rachmania, Sheilla Shodikin, M. Ali Shofia, Lailatis Siti Marissa Aisyah Siti Zulaikha Sumarno Retoprawiro Supangat Supangat Syahputri, Siti Ananda Hardita Tristianti, Farmitalia Nisa Udi Rusadi Ulfa Elfiah Ulin Nuha Jazmin Widaningsih, Titi Widhiasari Normaningtyas Wiwien Sugih Utami Yudha Nurdian Yuli Hermansyah Yuli Rahmantia, Vania Yuna Annisa Salsabila Yunita Armiyanti