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Underage marriage is a marriage carried out by a man or woman whose age has not reached theage of marriage. The marriage age is regulated in Article 7 point 1 of Law No. 16 of 2019 concerning amendments to Law no. 1 of 1974 concerning marriage. It is stated that marriage is only permitted if a man and a woman have reached the age of 19 years. Determining the minimum age of marriage is very necessary to create benefit and harmony in the family, in which marriage is a legal event that will change the position, rights, and obligations of a person. This researchused the empirical juridical method using primary and secondary data. This study analyzed the effect of underage marriage on family harmony and aimed at minimizing underage marriage. The results obtained that underage marriage gives a high impact on family harmony due to the unstable emotions, family economic factors, the unreadiness to run the family and these lead to divorce. Meanwhile, the efforts administered to minimize underage marriages were massive data collection, providing advice, providing legal counseling, the obligation to attend pre-marital education, strict marriage registration, and administration, as wellthe suspension of marriage certificates.

Human pressure on the coastal and aquatic surrounding ecosystem in Indonesia, through plastic waste, is increasing, considering that 60 % of the approximately 250 million people live in the coastal areas. Plastic waste originating from human activities has become a massive problem in almost all the small island and coastal regions, especially in the eastern part of Indonesia. This condition is caused by poor waste management and a lack of public awareness in disposing of waste in its place, including in an area known as its marine biodiversities and marine tourism spots like Masohi in Central Maluku. Also, the composition of waste is dominated by plastic waste that cannot be decomposed in a short period, continue circulated on the ocean currents, and will be deposited in coastal areas. Furthermore, some plastic waste will break down into micro-plastics that pollute not only the environment but also marine biota, which are often consumed by humans. This situation profoundly affects the sustainability and function of aquaecosystem services in coastal areas. Therefore, a comprehensive policy and regulation, and interdisciplinary study for analysing vulnerable coastal ecosystem, and mitigating the potential risk of plastic pollution in Masohi, Central Maluku are essential to be conducted.

A reversed-phase high-performance liquid chromatographic method was developed for the simultaneous determination of benzoyl peroxide and the related compounds benzoic acid (BA), methylparaben, benzaldehyde, propylparaben, and ethyl benzoate. The compounds are separated on a column containing octadecyl silane chemically bonded to porous silica particles. The mobile phase is acetonitrile-buffer (45 + 55, v/v). Solutions are injected into the chromatographic system under isocratic conditions at a constant flow rate of 1.5 mL/min with UV detection at 235 nm. Analysis of stability samples showed rapid accumulation of BA by thermal degradation. A rationale has been established for the acceptable limit of BA in the formulation, which already contains BA (0.2%) as a preservative. The proposed method is efficient and determines the active compound and 5 related compounds in a run time of 20 min. The method was validated according to the guidelines of the International Conference on Harmonization and demonstrated good agreement with the validation requirements.

The sparse fur (spf) mutant mouse is a model for human X-linked ornithine transcarbamylase (OTC) deficiency. Human OTC cDNA placed under transcriptional control of the mouse OTC promoter was microinjected into fertilized oocytes of spf mice. Two founder lines of transgenic mice were phenotypically and biochemically corrected for OTC deficiency by the expression of the human gene at high levels in the small intestine with little or no expression occurring in the liver. The tissue pattern of expression of transgenic mice bearing the chloramphenicol acetyltransferase gene placed under the control of the mouse OTC promoter parallels these results. These experiments demonstrate that human OTC cDNA is selectively expressed in small bowel by a truncated OTC promoter, and such ectopic expression corrects the spf phenotypic and metabolic features of this inborn error. These data suggest that somatic gene therapy of OTC deficiency can be achieved by intestine-targeted gene transfer.

There are many reports of antisense inhibition of gene expression in cultured cells. We have generated four strains of transgenic mice expressing antisense hypoxanthine guanine phosphoribosyltransferase (HPRT) RNA in brain, or heart and liver, or all three organs. In the brain of one strain, the level of antisense RNA in the different brain regions roughly correlates with the degree of inhibition of the native HPRT mRNA in those same regions. Despite this decrease of up to 60% of endogenous HPRT mRNA, no reproducible reduction in HPRT activity has been observed. Possible reasons for the differences between the effectiveness of antisense inhibition in cultured cells and transgenic animals are discussed.

The peri-implantation period extends from the time the blastocyst is free in the uterus, through the processes of recognition and attachment, to the beginning of trophoblast differentiation and the interactions between the embryo and the uterine endometrium which initiate establishment of the hemochorial placenta. It is during the peri-implantation period that the embryo and hormonally regulated endometrial cells appear to be most sensitive to factors which introduce risk into the intrauterine environment. There are no markers which can be used practically to assess pregnancy risk during the peri-implantation period of either human or laboratory rodents. Experimental studies, using in vitro laboratory models of differentiating trophoblast cells, have identified peptide hormone markers of pivotal developmental processes. Exposure of trophoblast during the expression of these processes could have severe and far-reaching effects individually and societally. While these trophoblast signals are limited in their utility with respect to health monitoring extrapolation of these findings to human pregnancy, the signals could serve to identify more practical and sensitive markers to assess risk in early gestation. Human chorionic gonadotropin (hCG) has been used extensively as a marker to assess risk during the early stages of pregnancy. Extrapolation of experimental data indicates how hCG could be used more effectively in analyses of possible cause and effect relationships. The limitations of hCG as a marker for risk during the human peri-implantation period are discussed. Peptide hormones which could serve to assess risk during this critical period of extraordinary sensitivity to toxic factors are introduced.

Immunocytochemical analysis of frozen rat uterine sections containing decidual tissue, formed in response to normal or artificial stimulation of uteri sensitized by endogenous or exogenous hormonal regimens, demonstrated an elevated expression of the intermediate filament protein desmin in decidual cells. Changes in the expression of extracellular matrix (ECM) components were coordinated with the elevated expression of desmin as stromal cells underwent decidualization. In parallel with the pattern of regional decidualization, as determined by elevated desmin expression, laminin accumulated in ECM of decidual cells while an apparent decrease in fibronectin was associated with altered organization at the decidual cell surface. The in situ observations confirm previous results, which indicated that the expression of desmin in decidual cells formed in vivo or in vitro is a valid marker of their differentiation, and resolve questions unanswered in the previous study: (a) desmin (and laminin) appear to be constitutively expressed in non-decidualized stroma at barely detectable levels, (b) desmin is a valid marker of stromal cell differentiation because it is expressed similarly in decidual cells, irrespective of varying experimental protocols for uterine sensitization and stimulation, and (c) desmin expression follows the same regional progression described for the process of decidualization in morphological and histochemical studies.