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Abstrak :
ABSTRAK
Kondisi stres memiliki efek yang buruk terhadap respon imun, sehingga rentan akan infeksi, termasuk penyakit periodontal. Salah satu biomarker yang dapat mengindikasikan penyakit periodontal adalah interleukin-6 (IL-6). Tiga puluh delapan mahasiswa program profesi FKG UI. Subjek diinstruksikan untuk mengusi kuisioner Dental Environment Stress (DES) dan dilakukan pemeriksaan periodontal dan pengambilan sampel cairan krevikular gingiva serta dianalisis untuk mengetahui kadar IL-6 dengan teknik ELISA. Walaupun uji statistik menunjukkan hubungan yang lemah antara tingkatan stres dengan kondisi periodontal dan kadar IL-6, kondisi klinis menunjukkan kecenderungan perburukan kondisi periodontal seiring peningkatan skor stres.

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ABSTRACT
Stress conditions have a bad effect on the immune response, leading to an imbalance between the host and the parasite so susceptible to infections, including periodontal disease. One biomarker that can indicate periodontal disease is interleukin-6 (IL-6). Thirty eight samples were instructed to filled the Dental Environment Stress (DES) questionnaire, periodontal examination and gingival crevicular fluid were collected. Although statistical tests showed a weak relationship between stress levels and the periodontal condition levels of IL-6, showed a trend of worsening clinical condition of periodontal conditions with increases in stress scores.

Abstrak :
Latar Belakang : Wabah pneumonia akibat Corona Disesase 2019 (COVID-19) masih menjadi perhatian nasional maupun global. Wanita hamil termasuk dalam kelompok risiko tinggi/rentan terhadap infeksi COVID-19. Adanya badai sitokin akibat infeksi COVID-19 menyebabkan gejala klinis yang semakin berat. Zinc sebagai salah satu mikronutrien penting yang berpengaruh dalam regulasi produksi sitokin oleh sistem imun tubuh. Kondisi defisiensi zinc pada wanita hamil yang terinfeksi COVID-19 dapat menyebabkan disregulasi dari sistem imun dan menghasilkan badai sitokin yang mengakibatkan sindrom ancaman gagal napas akut dan kematian. Tujuan : Meneliti hubungan kadar zinc serum maternal terhadap kadar sitokin pro- inflamasi interleukin-6 (IL-6) dan interferon gamma (IFN-) pada wanita hamil yang terkonfirmasi COVID-19 dengan gejala ringan-sedang dan berat. Metode : Penelitian observasional dengan desain studi cross-sectional. Subyek penelitian adalah wanita hamil yang terkonfirmasi COVID-19 dengan gejala ringan-sedang dan berat. Faktor yang diteliti meliputi kadar zinc, IL-6 dan IFN- serum maternal dan hubungannya kadar zinc serum terhadap kadar IL-6 dan IFN- serum maternal. Hasil : Jumlah total subyek sebanyak 48 orang dibagi menjadi 28 subyek untuk kelompok wanita hamil yang terkonfrimasi COVID-19 gejala ringan-sedang dan 20 subyek dengan gejala berat. Rata-rata usia responden 30,61 tahun untuk kelompok gejala ringan-sedang dan 32,9 tahun untuk kelompok gejala berat. Rata-rata usia kehamilan pada kelompok gejala ringan-sedang lebih tua dibanding kelompok gejala berat (38,1 minggu vs 34,5 minggu).Lama perawatan kelompok dengan gejala berat lebih lama dibanding kelompok gejala ringan-sedang. 60% subyek dari kelompok gejala berat berakhir dengan kematian maternal. Semua subyek dalam penelitian ini mengalami defisiensi zinc. Tidak terdapat perbedaan bermakna kadar zinc serum maternal pada kedua kelompok yaitu 54,0 (34-78) μg/dl untuk kelompok gejala ringan-sedang dan 52,0 (38-97) μg/dl untuk kelompok gejala berat. Terdapat perbedaan bermakna antara kelompok gejala ringan-sedang dengan kelompok gejala berat terhadap kadar IL-6 serum (5,8 (1,5-69,6) pg/ml vs 18,6 (3,8-85,3) pg/ml) dan kadar IFN- serum (0,9 (0,1-16,8) pg/ml vs 9,0 (0,9-21,1) pg/ml). Tidak ada korelasi antara kadar zinc serum maternal dengan kadar IL-6 dan IFN- serum maternal. Kesimpulan : Kadar zinc serum maternal tidak berbeda bermakna diantara kedua kelompok penelitan. Kadar IL-6 dan IFN- serum kelompok gejala berat lebih tinggi dibanding kelompok gejala ringan-sedang. Tidak ada korelasi antara kadar zinc serum dengan kadar IL-6 dan IFN- serum maternal. ......Bacground : The outbreak of Corona Disesase 2019 (COVID-19) is still a national and global concern. Pregnant women are included in the highrisk/susceptibility group for COVID-19 infection. The presence of a cytokine storm due to COVID-19 infection causes increasingly severe clinical symptoms. Zinc is one of the important micronutrients that influence the regulation of cytokine production by the immune system. Zinc deficiency in pregnant women with confirmed COVID-19 can cause dysregulation of the immune system and produce a cytokine storm that results in acute respiratory distress syndrome and maternal death. Objective: To evaluate the relationship between maternal serum zinc levels and the pro- inflammatory cytokines interleukin-6 (IL-6) and interferon-gamma (IFN-) in pregnant women with confirmed COVID-19 with mild-moderate and severe symptoms. Methods: A cross-sectional was adopted in this study. The subjects of the study were pregnant women with confirmed COVID-19 with mild-moderate and severe symptoms. We measure the maternal serum zinc levels, serum IL-6 and IFN- levels, then we evaluate the relation between the maternal serum zinc levels and the maternal serum IL- 6 and IFN- levels. Results: The total number of subjects was 48 patiens, divided into 28 subjects for the pregnant women with confirmed COVID-19 with mild-moderate symptoms and 20 subjects with severe symptoms. The average age of the respondents was 30.61 years for the mild-moderate group and 32.9 years for the severe group. The mean gestational age in the mild-moderate group was older than in the severe one (38.1 weeks vs. 34.5 weeks). The length of stay of subjects with severe symptom was longer than the mild-moderate group. 60% cases from the severe group ended in maternal death. All the participants in this study suffered zinc deficiency. There was no significant difference in maternal serum zinc levels between the two study groups (54.0 (34-78) g/dl in mild-moderate group vs 52.0 (38-97) g/dl in severe group). There was a significant difference between mild- moderate vs severe groups in which the serum IL-6 levels were (5.8 (1.5-69.6) pg/ml vs 18.6 (3.8-85.3) pg/ ml) and the serum IFN- levels were (0.9 (0.1-16.8) pg/ml vs. 9.0 (0.9- 21.1) pg/ml). There is no correlation between maternal serum zinc level and maternal serum IL-6 and IFN- levels. Conclusion: The maternal serum zinc levels were not significantly different between the two study groups. The maternal serum IL-6 and IFN- levels in the severe group were higher than in the mild-moderate group. There is no correlation between maternal serum zinc level and maternal serum IL-6 and IFN- levels.

Abstrak :
Latar Belakang: COVID-19 menyebabkan penyakit kritis dan kematian dengan manifestasi utama sindrom pernafasan akut. Prediktor kematian pada kasus COVID-19, seperti IL-6 berperan dalam mengatur respon imun dan inflamasi. Pada kasus berat, peningkatan IL-6 dapat menyebabkan sepsis dan kegagalan multi-organ. CRP juga berkontribusi signifikan terhadap peradangan. Keparahan derajat COVID-19 dipengaruhi oleh komorbiditas seperti penyakit kardiovaskular, diabetes melitus tipe II, dan hipertensi. Tocilizumab, penghambat reseptor IL-6 merupakan terapi baru untuk pasien COVID-19 berat dan kritis. Penelitian ini menilai mortalitas pasien COVID-19 berat yang diberikan dan tidak diberikan terapi tocilizumab setelah dikontrol oleh variabel perancu. Tujuan: Menganalisis pengaruh terapi tocilizumab terhadap kematian pada pasien COVID-19 berat. Metode: Desain penelitian kohort retrospektif, menggunakan data rekam medis pasien COVID-19 di ICU RSCM selama dua tahun. Data dianalisis menggunakan SPSS. Hasil: Total 80 subjek, 52 pasien meninggal dan 28 pasien hidup. Mayoritas pasien memiliki CRP tinggi, IL-6 meningkat, serta tidak memiliki komorbid hipertensi, diabetes mellitus tipe II, dan penyakit kardiovaskular. Analisis statistik menunjukkan tidak ada hubungan yang signifikan antara pemberian terapi tocilizumab dan kematian, serta tidak terdapat perancu dalam penelitian ini. Kesimpulan: Pemberian terapi tocilizumab tidak memperbaiki kejadian mortalitas pada pasien COVID-19 berat. ......Background: COVID-19 causes critical illness and death with the main manifestation of acute respiratory syndrome. Predictors of death in COVID-19 cases, such as IL-6, play a role in regulating the immune response and inflammation. In severe cases, increased IL-6 can cause sepsis and multi-organ failure. CRP also contributes significantly to inflammation. The severity of COVID-19 is influenced by comorbidities such as cardiovascular disease, type II diabetes mellitus, and hypertension. Tocilizumab, an IL-6 receptor inhibitor, is a new therapy for severe and critical COVID-19 patients. This study assessed the mortality of severe COVID-19 patients who were and were not given tocilizumab therapy after controlling for confounding variables. Objective: To analyze the effect of tocilizumab therapy on mortality in severe COVID-19 patients. Methods: Retrospective cohort study design, using medical record data of COVID-19 patients in the ICU RSCM for two years. Data were analyzed using SPSS. Results: A total of 80 subjects, 52 patients died and 28 patients survived. The majority of patients had high CRP, increased IL-6, and did not have comorbid hypertension, type II diabetes mellitus, and cardiovascular disease. Statistical analysis showed no significant association between tocilizumab therapy and mortality, and there were no confounders in this study. Conclusion: Administration of tocilizumab therapy does not reducing mortality rates in severe COVID-19 patients.

Abstrak :
Latar belakang: Lupus eritrematosus sistemik (LES) adalah penyakit yang kompleks dengan manifestasi yang bervariasi. Interleukin-6 (IL-6) merupakan sitokin pleitropik yang mempunyai aktivitas biologis dengan rentang luas yang berperan penting pada regulasi imun dan inflamasi. Saat ini belum ada biomarker yang dapat membedakan kondisi remisi total dengan aktivitas penyakit ringan. Interleukin-6 diharapkan dapat digunakan sebagai parameter aktivitas penyakit terutama pada kasus-kasus dimana antara manifestasi klinis dan skor SLEDAI tidak sesuai yaitu pada pasien LES dengan aktivits ringan dan remisi total. Tujuan: Mengetahui karakteristik IL-6 pada LES anak dengan berbagai aktivitas ringan dan remisi total. Metode: Penelitian kasus kontrol dilakukan di poli rawat jalan Alergi-Imunologi Departemen Ilmu Kesehatan Anak RSUPN dr. Cipto Mangunkusumo, Jakarta dan RSUP Dr. Sardjito, Yogyakarta mulai Mei hingga Juni 2019. Pasien anak usia 1-18 tahun dengan diagnosis LES dinilai kadar IL-6 dan aktivitas penyakit yang dinilai dengan skor SLEDAI. Uji korelasi chi square dilakukan untuk mengetahui hubungan variabel bebas dan luaran. Analisis data dilakukan dengan program SPSS for Window ver 20,0 Hasil: Dari 60 subjek penelitian yang terdiri dari 30 pasien LES aktivitas ringan dan 30 remisi total. tidak ada perbedaan kadar IL-6 tinggi pada kelompok kasus dibanding kelompok kontrol dengan p=0,500, OR= 0,483 (95% IK: 0,041-5,628). Terdapat 2 subyek dengan kadar IL-6 tinggi menderita infeksi saluran kencing. Simpulan: Tidak ada perbedaan aktivitas penyakit pada pasien LES anak dengan aktivitas ringan dibanding remisi total. ......Background: Systemic Lupus Erythematosus (SLE) is a complex disease with various manifestations. Interleukin-6 (IL-6) is a pleiotropic cytokine with a wide range of biological activities that plays an important role in immune regulation and inflammation. Recently, there is no other biomarker that could differentiate total remission condition and mild disease activity in juvenile SLE. Interleukin-6 may be used as a parameter of disease activity, especially in the cases with different clinical manifestations and SLEDAI scores among SLE patients with mild activities and total remissions. Aim: To indentify the characterictics of serum IL-6 concentration in juvenile systemic lupus erythematosus with mild activities and total remissions. Methods: Case control study was performed at outpatient clinic of allergy-immunology, department of child health dr. Cipto Mangunkusumo hospital, Jakarta and dr. Sardjito hospital, Yogyakarta during May-June 2019. Serum IL-6 consentration and disease activity were assessed in all juvenile SLE patients aged 1-18 year. SLE disease activity was assessed with SLEDAI scores and serum level of IL-6 was measured by enzyme linked immunosorbent assay. Chi square correlation analysis was used to determine the correlation of serum IL-6 concentration with disease activity in juvenile SLE patients. Analyses of data were performed using the SPSS statistical software for windows version 20,0. Results: Among 60 subjects included in this study, 30 subjects with mild activities in the case group and 30 subjects with total remissions in the control group. There was no differences of serum IL-6 concentration between case and control group (p=0,500, OR= 0,483 (95% IK: 0,041-5,628)). In this study, we found 2 subjects with urinary tract infection have high serum IL-6 concentration. Conclusion: There was no differences of serum IL-6 concentration between juvenile SLE patients with mild activities compared with total remissions.

Abstrak :
Penyakit paru obstruktif kronis sebagai penyakit yang ditandai dengan adanya pembatasan aliran udara progresif yang bersifat irreversible terhadap respon inflamasi abnormal dari paru-paru karena adanya partikel atau gas berbahaya. Berdasarkan data Global Initiative for Chronic Obstructive Lung Disease (GOLD) terdapat 65 juta orang menderita penyakit paru obstruktif kronis (PPOK) dan 3 juta orang meninggal setiap tahunnya dan merupakan penyebab utama kematian ketiga di dunia. Penelitian ini menggunakan dua pendekatan studi, pendekatan bioinformatika dan pendekatan in vivo. Pendekatan bioinformatika ini bertujuan untuk mengidentifikasi pathogenesis PPOK menggunakan jejaring farmakologi serta mengidentifikasi kandidat baru senyawa inhibitor ST2/IL-33 menggunakan metode komputasi dengan cara analisis farmakofor, virtual screening dan docking. Hasil pendekatan bioinformatika melalui jejaring farmakologi menunjukan bahwa gen AKT1, TNF, IL-6, ACTB. EGF, VEGFA, STAT3, MAPK3, MYC, JUN, IL10, CCL2 memiliki peranan penting dalam patogenesis penyakit obstruksi kronis yang diinduksi dengan asap rokok elektronik. Hasil farmakofor native ligand (NAG) menunjukkan empat donor ikatan hidrogen dan lima ikatan hidrogen akseptor, dan ligand dihydroergochristine menunjukkan tiga donor ikatan hidrogen dan lima akseptor ikatan hidrogen. Dari hasil analisis docking dihydroergochristine dengan reseptor ST2 menunjukkan energi ikatan yang lebih tinggi (- 10.2 kkal/mol) terhadap reseptor ST2 protein dibandingkan dengan senyawa lain. Pendekatan in vivo menggunakan mencit betina Mus musculus yang dibagi menjadi 6 kelompok: kontrol, kontrol negatif, kontrol positif diberikan inhalasi budesonid 1mg/kg BB/hari, serta 3 kelompok variasi dosis dihydroergochristine 0,0040mg/21gBB mencit/hari; 0,081mg/21gBB mencit/hari; 0,0163mg/21gBB mencit/hari secara inhalasi. Mencit dipaparkan asap rokok elektronik (36 puff sekali sehari selama 8 minggu), kemudian diobati dengan dihydroergochristine atau budesonid selama 3 minggu. Berdasarkan uji statistik pada hasil uji in vivo terdapat beberapa perbedaan bermakna (p < 0.05) pada parameter berat badan dan parameter hematologi. Pada parameter histologi persentase sel goblet kelompok kontrol sebesar 3,35 %, kelompok kontrol negatif 51,34 %, kelompok kontrol positif 5,52 %, kelompok D1 30,29 %, kelompok D2 33,94 %, dan kelompok D3 sebesar 16,13 %. Persentase kolagen kelompok kontrol sebesar 7.34 %, kelompok kontrol negatif sebesar 26.44 %, kelompok kontrol positif 8.62 %, kelompok D1 sebesar 23.82 %, kelompok D2 sebesar 21.01 %, dan kelompok D3 sebesar 12.56 %. Persentase penebalan dinding bronkus kelompok kontrol normal sebesar 5.57 %, sedangkan pada kelompok kontrol negatif sebesar 23.25 %, kelompok kontrol positif sebesar 6.28 %, kelompok dosis satu sebesar 17.08 %, kelompok dosis dua sebesar 16.53 %, dan kelompok dosis tiga sebesar 12.93 %. Peningkatan kadar IL-6 pada kelompok kontrol sebesar 4.10 pg/ml, kontrol negatif sebesar 102.39 pg/ml, kelompok kontrol positif mimiliki kadar IL-6 sebesar 23.74 pg/ml, kelompok D1 sebesar 94.08 pg/ml, kelompok D2 sebesar 60.75 pg/ml, dan pada kelompok D3 memiliki kadar IL-66 sebesar 36.18 pg/ml. Peningkatan kadar karboksihemoglobin pada kelompok kontrol sebesar 18.40 ng/ml, kontrol negatif sebesar 87.53 ng/ml, kelompok kontrol positif memiliki kadar karboksihemoglobin sebesar 22.45 ng/ml, kelompok D1 sebesar 83.57 ng/ml; kelompok D2 sebesar 50.29 ng/ml; dan pada kelompok D3 memiliki kadar IL-66 sebesar 32.36 ng/ml. Berdasarkan hasil penelitian, senyawa dihydroergochristine dapat menurunkan dan memperbaiki inflamasi pada penyakit paru obstruktif kronis ......Chronic obstructive pulmonary disease as a disease characterized by the presence of progressive irreversible air flow restrictions to abnormal inflammatory responses of the lungs due to the presence of harmful particles or gases. Based on data from the Global Initiative for Chronic Obstructive Lung Disease (GOLD), there are 65 million people suffering from chronic obstructive pulmonary disease (COPD) and 3 million people die every year and is the third leading cause of death in the world. This research uses two study approaches, the bioinformatics approach and the in vivo approach. This bioinformatics approach aims to identify COPD pathogenesis using pharmacological networks and identify new candidates for ST2/IL-33 inhibitor compounds using computational methods using pharmacophore analysis, virtual screening and docking. The results of the bioinformatics approach through pharmacological networks showed that the AKT1, TNF, IL-6, ACTB genes. EGF, VEGFA, STAT3, MAPK3, MYC, JUN, IL10, CCL2 have an important role in the pathogenesis of chronic obstructive disease induced by electronic cigarette smoke. The results of the pharmacophore native ligand (NAG) showed four hydrogen bond donors and five acceptor hydrogen bonds, and the dihydroergochristine ligands showed three hydrogen bond donors and five hydrogen bond acceptors. From the results of the docking analysis of dihydroergochristine with ST2 receptors showed a higher bond energy (-10.2 kcal / mol) to the ST2 receptor protein compared to other compounds. The in vivo approach used female mice Mus musculus which was divided into 6 groups: control, negative control, positive control given budesonid inhalation 1mg/kg BB/day, as well as 3 groups of dihydroergochristine dose variation groups of 0.0040mg/21gBB mice/day; 0.081mg/21gBB mice/day; 0.0163mg/21gBB mice/day inhaled. Mice were exposed to electronic cigarette smoke (36 puffs once a day for 8 weeks), then treated with dihydroergochristine or budesonid for 3 weeks. Based on the statistics analysis in the in vivo test results, there are several significant differences (p < 0.05) in weight parameters and hematology parameters. In the histological parameters, the percentage of goblet cells of the control group was 3.35%, the negative control group was 51.34%, the positive control group was 5.52%, the D1 group was 30.29%, the D2 group was 33.94%, and the D3 group was 16.13%. The collagen percentage of the control group was 7.34%, the negative control group was 26.44%, the positive control group was 8.62%, the D1 group was 23.82%, the D2 group was 21.01%, and the D3 group was 12.56%. The percentage of thickening of the bronchi walls of the normal control group was 5.57%, while in the negative control group of 23.25%, the positive control group was 6.28%, the first dose group was 17.08%, the second dose group was 16.53%, and the third dose group was 12.93%. The increase in IL-6 levels in the control group was 4.10 pg/ml, the negative control was 102.39 pg/ml, the positive control group had IL-6 levels of 23.74 pg/ml, the D1 group was 94.08 pg/ml, the D2 group was 60.75 pg/ml, and in the D3 group it had IL-66 levels of 36.18 pg/ml. Increased levels of carboxyhemoglobin in the control group of 18.40 ng/ml, negative control of 87.53 ng/ml, the positive control group had carboxyhemoglobin levels of 22.45 ng/ml, group D1 of 83.57 ng/ml; group D2 of 50.29 ng/ml; and in the D3 group, it had an IL-66 content of 32.36 ng/ml. Based on the results of the study, dihydroergochristine compounds can reduce and improve inflammation in chronic obstructive pulmonary disease.

Abstrak :
ABSTRACT
Pendahuluan: Penuaan adalah penurunan integritas struktur dan fungsi organisme yang bersifat progresif dan tidak dapat kembali. Pada manusia, hal ini berdampak pada penurunan kognisi dan kekuatan otot, serta peningkatan kerentanan terhadap penyakit degeneratif. Kecepatan penuaan individu berkaitan dengan derajat stres oksidatif yang ditentukan oleh keseimbangan antara radikal bebas dan antioksidan. Ekstrak etanol Centella asiatica (CA) diketahui berefek antioksidan dan antiinflamasi sehingga berpotensi sebagai agen antipenuaan untuk individu tua. Metode: Tikus Sprague-Dawley (SD) tua dibagi ke dalam tiga kelompok, yaitu kontrol negatif (n = 6), kontrol positif (vitamin E 6 IU, n = 7), dan perlakuan (ekstrak etanol CA 300 mg/kg berat badan, n = 8). Sebagai pembanding, terdapat satu kelompok tambahan yang terdiri atas tikus SD muda (n = 6). Kognisi tikus SD sebelum perlakuan ditentukan menggunakan labirin Y. Perlakuan kemudian diberikan selama 28 hari dan kognisi tikus dinilai setiap minggunya. Pada hari ke-29, kekuatan otot tikus diukur dengan uji genggaman dan tikus diterminasi untuk diukur kadar interleukin-6 (IL-6) darah dengan enzyme-linked immunosorbent assay (ELISA). Hasil: Peningkatan kekuatan otot (p = 0,014) dan penurunan kadar IL-6 darah (p = 0,001) yang signifikan ditemukan pada kelompok perlakuan dengan CA dibandingkan kontrol negatif, namun tidak ditemukan perbedaan signifikan secara statistik pada kognisi baik antarkelompok setiap minggu maupun antarminggu setiap kelompok (p > 0,05). Kesimpulan: Pemberian ekstrak etanol CA menurunkan kadar IL-6 darah dan meningkatkan kekuatan otot pada tikus SD tua, namun tidak berefek terhadap kognisi. Penelitian lebih lanjut diperlukan untuk mempelajari efek CA sebagai agen antipenuaan.

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ABSTRACT
Introduction: Aging is progressive and irreversible declines in structural integrity and function of organisms. In human, it leads to cognition and muscle strength impairment, also increased vulnerability to degenerative disorders. Individual aging rate is influenced by degree of oxidative stress, determined by equilibrium between free radicals and antioxidants. Centella asiatica (CA) ethanolic extract has antioxidant and anti-inflammatory effects so it potentially acts as antiaging agent for aged individuals. Methods: Aged Sprague-Dawley (SD) rats were divided into three groups: negative control (n = 6), positive control (vitamin E 6 IU, n = 7), and treatment (CA ethanolic extract 300 mg/kg body weight, n = 8). There is an additional group of young SD rats for comparison (n = 6). Their cognition was measured with Y-maze prior treatment. The treatment was given for 28 days and the cognition level was measured each week. At day 29, their muscle strength was measured with grip test and the rats were terminated to determine their blood interleukin-6 (IL-6) level with enzyme-linked immunosorbent assay (ELISA). Results: Significant muscle strength improvement (p = 0,014) and blood IL-6 level reduction (p = 0,001) were found in group receiving CA treatment compared with negative control, but differences in cognition were not significant, both among groups each week and among weeks each group (p > 0,05). Conclusions: CA ethanolic extract treatment reduces blood IL-6 level and improves muscle strength in aged SD rats, but exerts no effect to cognition. Further studies are required to investigate CA effect as antiaging agent.