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COMPARATIVE STUDY ON THE INTENSITY OF Mycobacterium leprae EXPOSURE TO CHILDREN WHO LIVE IN LOW AND HIGH ALTITUDE IN LOW LEPROSY ENDEMIC AREA OF SOUTH SULAWESI Rachmawati, Rachmawati; Mataallo, Timurleng Tonang; Adam, Safruddin; Adam, A. M.; Amin, Safruddin; Tabri, Farida; Adriaty, Dinar; Wahyuni, Ratna; Iswahyudi, Iswahyudi; Agusni, Indropo
Indonesian Journal of Tropical and Infectious Disease Vol 4, No 4 (2013)
Publisher : Institute of Topical Disease

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Abstract

Background: The intensity of Mycobacterium leprae exposure to people who live in leprosy endemic area could be measured by serological study and detection of the bacilli in the nose cavity. Different geographical altitude might have some influences to this exposure since the bacilli prefer to live in warm areas. Aim: A combined serological and PCR study of leprosy was conducted in Selayar island, South Sulawesi to 80 school children (40 from low land and 40 from highland altitudes) in order to compare the exposure intensity between the two areas. Method: Anti PGL-1 IgM antibody (ELISA) and PCR study to detect M.leprae in the nasal cavity were performed simultaneously from each person. Result: Seropositive cases were found in 23/40 children from low land compared to 16/40 children from high land, but statistically no significant difference (p>0.05). PCR positive for M.leprae in the nasal cavity only found in 1/40 children, both in low and high altitude. Conclusion: It is concluded that although the existence of M.leprae in nasal cavity is minimal, the intensity of exposure to this bacilli still high as indicated by serological study.
COMPARATIVE STUDY ON THE INTENSITY OF Mycobacterium leprae EXPOSURE BETWEEN HOUSEHOLD AND NONHOUSEHOLD CONTACT OF LEPROSY Arsyad, Yuniarti; Jifanti, Friska; Amiruddin, Muhammad Dali; Anwar, Anis Irawan; Adriaty, Dinar; Wahyuni, Ratna; Iswahyudi, Iswahyudi; Agusni, Indropo
Indonesian Journal of Tropical and Infectious Disease Vol 3, No 1 (2012)
Publisher : Institute of Topical Disease

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Abstract

Leprosy stills a public health problem in West Sulawesi which has a Case Detection Rate (CDR) around 43.69/100.000 population. Household contacts of leprosy are a high risk group to be infected, due to droplet infection mode of transmission of the disease. A nose swab examination and serological study was conducted to detect exposure of M. leprae of people who live in leprosy endemic area. Detection of M. leprae in the nasal cavity will represent the exposure rate from outside and the measurement of specific antibody is represented the result of exposure to the immune system. Two group of inhabitants (30 household contacts of leprosy and 30 nonhousehold contacts) were involved in the study. They live in Banggae district, a leprosy endemic area of Majene Regency, West Sulawesi. Sixty nose swab samples and sixty capillary blood samples from the same invidividuals of the two groups were collected and sent to Leprosy laboratory of the Institute of Tropical Disease, Airlangga University Surabaya. A Polymerase Chain Reaction (PCR) was performed to the nose swab samples for detection of M. leprae. The blood samples were examined serologically to measure the level of anti PGL-1 antibody. PCR examination of nose swab samples showed 1/30 positive result in the household contact group and also 1/30 positive result in non-household contact of leprosy (statistically no significant difference, p > 0.05). Serological study showed higher sero-positive result in the household contact group (15/30 or 50%) compared to non-household contact (11/30 or 36%), but statistical calculation revealed no significant difference between the two groups (p > 0.05) on sero-positive results of leprosy. It is concluded that household and non-household contact in leprosy have the same risk to be affected by the disease. The term of household and non-household contact need to be redefined. The possible role of exposure from the environment was also discussed, especially from non-human resource of M. leprae.
Mycobacterium leprae BACILLEMIA IN BOTH TWINS, BUT ONLY MANIFEST AS LEPROSY IN ONE SIBLING Sukmawati, Netty; Agusni, Indropo; Listiawan, M. Yulianto; Prakoeswa, Cita Rosita S.; Adriaty, Dinar; Wahyuni, Ratna; Iswahyudi, Iswahyudi
Indonesian Journal of Tropical and Infectious Disease Vol 5, No 7 (2015)
Publisher : Institute of Topical Disease

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ijtid.v5i7.1206

Abstract

Leprosy in twins is rarely reported. A 19 years-old male student, from Lamongan district, was diagnosed as Multibacillary (MB) leprosy in the Skin and STD Clinic of Dr. Soetomo General Hospital Surabaya. Multiple anesthetic skin lesions were found, but the bacteriologic examination was negative for Acid Fast Bacilli (AFB). Histopathology examination support the diagnosis of BL type of leprosy. His twin brother that has been lived together since born until present seems healthy without any complaints of skin lesions and have no signs of leprosy. When a serologic examination for leprosy was performed, a high anti PGL-1 antibody level was found in patient (IgM anti PGL-1 2937 and IgG anti PGL-1 3080 unit/ml) while his healthy twin brother showed only low level (IgM 745 and IgG 0 unit/ml). Interestingly when a PCR study was performed to detect M.leprae in the blood, both of them showed positive results. Using the TTC method, a genomic study of for M.leprae, it is revealed that both samples were identic ( 27x TTC repeats). According to patient’s history, he had a traffic accident and got a wound in the knee seven years ago, while the skin lesions seems started from this area around three years ago before it spread to other parts of the body. The patient was treated with Multi-drug therapy (MDT) while his sibling got a prophylactic treatment for leprosy. After 6 months of treatment, the leprosy skin lesions were diminished and the serologic anti PGL-1 has been decreased. His healthy brother also showed a decrease in anti PGL-1 level and no skin signs of leprosy.
Variation of TTC Repeat Pattern In The Dna of Mycobacterium Leprae Isolates Obtained from Archeological Bones and Leprosy Patients From East Nusa Tenggara Adriaty, Dinar; Wahyuni, Ratna; Iswahyudi, Iswahyudi; Aksono, Bimo; Koesbardiati, Toetik; Agusni, Indropo; Izumi, Shinzo
Journal of Tropical Life Science Vol 2, No 3 (2012)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.2.3.%x

Abstract

The existence of leprosy or kusta or Morbus Hansen or Hansens disease has been known for years, including in Indonesia. Starting from the discovery of Mycobacterium leprae isolates from ancient bone (about 1.000 years B.C), the archaeological excavations results in East Nusa Tenggara, interesting questions arise about how the development of leprosy in eastern Indonesia is. Biology molecular study would become a powerful tool to investigate the presence of leprosy bacillary whether there are similarities between the genomes of M. leprae isolates in the primeval and the present. PCR examinations were performed on mandibular bone fragments from ancient human who lived 1000 years B.C. discovered in archaeological surveys on the island of Lembata and three leprosy patients from East Nusa Tenggara. The DNA extraction was performed using a kit from Qiagen products and its TTC repeating pattern was seen with the method of direct sequencing. It turned out that the TTC profile obtained from samples of archaeological was as many as 13 copies, while the repetition of TTC in three samples of leprosy patients were 15, 17 and 26 copies. The different number of TTC repetition shows the different isolates of M. leprae between in the ancient times and the present. Further studies are needed to verify the differences in the genome that occur, for example from the study of SNPs (single nucleotide polymorphisms).