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Albaar, Thoha M.
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Biochemistry, Genetics & Molecular Biology Health Professions Immunology & microbiology Medicine & Pharmacology Public Health

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Global prevalence and contributing factors of transplant renal artery stenosis in renal transplant recipients: A systematic review and meta-analysis Tamara, Fredo; Fajar, Jonny K.; Gersom, Camoya; Wicaksono, Ramadi S.; Tupamahu, Alvira R.; Huda, Fariz N.; Sari, Fitria R.; Dela, Jamaludin A.; Putri, Irawati E.; Sutrisno, Muhammad A.; Putra, Riyantono; Dwinata, Michael; Friatna, Yudha; Albaar, Thoha M.; Susanto, Agung; Dewi, Ratih TK.; Suseno, Aryo; Samsu, Nur
Narra J Vol. 4 No. 3 (2024): December 2024
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v4i3.1782

Abstract

Transplant renal artery stenosis (TRAS) is a serious complication of renal transplantation, with its prevalence and associated factors remaining inconclusive. The aim of this study was to assess the global prevalence and risk factors associated with TRAS incidence in renal transplant recipients. We conducted a meta-analysis by collecting data on the prevalence and factors associated with TRAS from articles in Scopus, Embase, and PubMed. The prevalence of TRAS was determined using a single-arm meta-analysis. The factors associated with TRAS were determined using Mantel-Haenszel analysis or inverse variance analysis. Out of 28,599 articles from the searches, 31 of them were included in the analysis. The global prevalence of TRAS was 6% among renal transplant recipients. Diabetes mellitus, hypertension, longer duration of dialysis before transplant, deceased donor, acute rejection, delayed graft function, longer cold ischemic time, and prolonged peak systolic velocity were associated with an increased risk of TRAS. Age, gender, peripheral artery disease (PAD) comorbidity, causes of end-stage renal disease (ESRD), previous dialysis modality, and cytomegalovirus infection were not associated with TRAS incidence. In conclusion, the global prevalence of TRAS in renal transplant recipients is relatively high, and some of the contributing factors to the development of TRAS are preventable. These findings could serve as a guideline for informing the management of TRAS in the future.
Impact of walking exercise intensity on cartilage IL-1, TNF-α, IL-4, MMP-13 and pain threshold in osteoarthritis rat models Handono, Kusworini; Prasetyo, Dwi A.; Kurnianingsih, Nia; Wahono, Cesarius S.; Albaar, Thoha M.
Narra J Vol. 5 No. 2 (2025): August 2025
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v5i2.2109

Abstract

Pro-inflammatory cytokines produced by chondrocytes play a crucial role in activating matrix metalloproteinase-13 (MMP-13), leading to an imbalance between the synthesis and degradation of the extracellular matrix (ECM) in osteoarthritis (OA). Although regular walking exercise has been shown to reduce inflammatory cytokine levels in OA animal models, the optimal exercise intensity remains underexplored. Therefore, the aim of this study was to investigate the effects of different intensities of regular walking exercise on the levels of pro-inflammatory cytokines (interleukin-1 (IL-1), tumor necrosis factor-alpha (TNF-α)), anti-inflammatory cytokine (interleukin-4 (IL-4)), as well as MMP-13 expression in cartilage and pain thresholds in an OA animal model. A total of 30 adult male Rattus norvegicus (6–8 weeks old) were divided into five groups: (1) healthy control; (2) monosodium iodoacetate (MIA)-induce OA model; (3) OA with light-intensity walking (OA1); (4) OA with moderate-intensity walking (OA2); (5) and OA with high-intensity walking (OA3). The exercise intervention began one week after MIA injection and continued for six weeks. Pain threshold, inflammatory cytokine (IL-1, TNF-α, IL-4) levels, and MMP-13 expression were measured using an analgesymeter, enzyme-linked immunosorbent assay (ELISA), and immunohistochemistry (IHC), respectively. The results demonstrated a significant reduction in IL-1 and TNF-α levels, along with decreased MMP-13 expression and increased IL-4 levels, in all exercise groups (OA1, OA2, OA3) compared to the untreated OA group. Additionally, pain thresholds improved following exercise. However, no significant differences were observed among the three exercise intensities in terms of cytokine levels, MMP-13 expression, or pain threshold. This study highlights that the light-intensity regular walking exercise effectively reduces inflammation, MMP-13 expression, and pain in OA. Further research is needed to elucidate the underlying mechanisms of exercise in OA management.
Co-Authors Camoya Gersom Dela, Jamaludin A. Dewi, Ratih TK. Dwinata, Michael Fredo Tamara, Fredo Friatna, Yudha Huda, Fariz N. Jonny K. Fajar Kurnianingsih, Nia Kusworini Handono Nur Samsu Prasetyo, Dwi A. Putra, Riyantono Putri, Irawati E. Sari, Fitria R. Susanto, Agung Suseno, Aryo Sutrisno, Muhammad A. Tupamahu, Alvira R. Wahono, Cesarius S. Wicaksono, Ramadi S.