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PubMed1981

Matricide by sons.

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Forensic Psychiatry↗
PubMed2003

Reflections on play: recollections from a mother and her son with Asperger syndrome.

This is a personal account of the play behaviors of an individual who has autism as remembered by himself and his mother. Jean-Paul Bovee explains the activities that were enjoyable for him and which were his play, although they were unusual and may not fit the typical definition of play. His mother, Dr Julie A. Donnelly, tells of her attempts to involve Jean-Paul in typical play and how important play is as a bridge to social skills and involvement with peers. Jean-Paul concludes that his play is a part of the unique individual he has become.

Adolescent↗
PubMed2004

Infectious reservoir of Plasmodium infection in Mae Hong Son Province, north-west Thailand.

BACKGROUND: It was unknown whether the main reservoir of Plasmodium falciparum and Plasmodium vivax, which infects mosquitoes in Thailand, was (a) in people feeling sufficiently ill with malaria to come to a clinic or (b) in people who had remained in their home villages with some fever symptoms or with none. METHODS: Mass surveys were carried out in Thai villages to identify people with Plasmodium infections and with fever. Malaria patients were also located at a clinic which served these villages. Adults from both sources whose blood slides registered positive for Plasmodium spp. were requested to allow laboratory-bred Anopheles minimus to feed on them. Seven to nine days after the blood feeds the mosquitoes were dissected and checked for presence of oocysts. RESULTS AND DISCUSSION: There were higher rates of Plasmodium infection among people in the villages with fever than without fever and much higher rates of infection among clinic patients than among people who had remained in the villages. People with malarial infections identified via the clinic and the village surveys could infect mosquitoes, especially, but not only, if their blood slides showed visible gametocytes. Because only a very small minority of the village populations were visiting the clinic on any one day, assessment indicated that the main reservoir of infection was not primarily among clinic patients but among those in the villages, especially those feeling feverish. CONCLUSIONS: Efficient use of an anti-gametocyte drug to suppress the parasite reservoir in a population requires that it be given, not just to clinic patients, but to infected people located by mass surveys of the villages, especially those feeling feverish.

Adolescent↗
PubMed2006

Perceptions of parental communication orientation, perfectionism, and disordered eating behaviors of sons and daughters.

This study investigated the influence of perceived parental communication orientation and individual perfectionism on late adolescent offspring's maladaptive eating behaviors using a nonclinical sample ( N=424). College students' perceptions of their communication patterns with parents, self- and parentally prescribed perfectionism, and perceptions of personal control were measured to explore possible associations among these variables and whether they, in combination, predicted maladaptive eating. Results revealed that 23% of the sample participated in maladaptive eating behaviors; in addition, a father-child conformity communication pattern and paternally prescribed perfectionism predicted maladaptive eating within this sample when controlling for individual factors such as offspring's perfectionism and perceived loss of personal control. These findings suggest that father-child communicative interaction that emphasizes conformity to high paternal standards may increase offspring's risk of developing maladaptive eating behaviors.

Adolescent↗
PubMed2006

Kallmann syndrome: somatic and germline mutations of the fibroblast growth factor receptor 1 gene in a mother and the son.

CONTEXT: Although Kallmann syndrome (KS) caused by heterozygous loss of function mutations of the fibroblast growth factor receptor 1 gene (FGFR1) is occasionally associated with characteristic features, such as dental agenesis and cleft palate, FGFR1 mutations remain unidentified in several KS patients with such characteristic features. SUBJECTS AND METHODS: We examined a 14-yr-old Japanese boy with hypogonadotropic hypogonadism, olfactory dysfunction, and dental agenesis and his fertile mother with olfactory dysfunction and dental agenesis. Direct sequencing was performed for FGFR1 using leukocyte genomic DNA from the proband and leukocyte and nail genomic DNA from the mother. To examine a possible somatic mutation, a specific forward primer was designed to introduce a BstXI site into the normal allele only, and nested PCR amplification, followed by BstXI digestion, was carried out three times with different reverse primers. RESULTS: After standard PCR amplifications, a heterozygous 2-bp deletion at exon 10 (1317_1318delTG), which is predicted to cause a frameshift at the 439th codon for serine and resultant termination at the 461st codon (S439fsX461), was identified in the proband, but was not found in the mother. After selective amplification of the mutant allele, this deletion was detected in nail DNA, but not in leukocyte DNA, from the mother. CONCLUSION: The results suggest that the 2-bp deletion took place as a somatic mutation in the mother and was transmitted to the boy because of germline mosaicism. Such a somatic mutation occurs in some apparently FGFR1 mutation-negative KS patients with dental agenesis.

Adolescent↗
PubMed1999

Adrenocorticotropin responses to naloxone in sons of alcohol-dependent men.

The endogenous opioid system is part of a neural circuitry functionally related to alcohol-seeking behaviors. A family history of alcoholism is the strongest predictor of future development of alcohol dependence. This study was designed to evaluate ACTH responses to opioid receptor blockade as a function of family history for alcohol dependence. The nonselective opioid antagonist naloxone stimulates ACTH secretion by blocking opioidergic input on paraventricular corticotropin-releasing factor neurons, thereby providing a methodology for comparing hypothalamic opioid tone between study groups. Sixty nonalcoholic subjects, aged 18-25 yr, were enrolled in a protocol to measure the ACTH response to naloxone. Thirty-two subjects were offspring from families with a high density of alcohol dependence and were designated as family history-positive subjects. Twenty-eight subjects were offspring of nonalcohol-dependent parents and were designated family history-negative subjects. Subjects received naloxone (125 microg/kg) or placebo (0.9% saline) in double blind, randomized order. Plasma ACTH was monitored. Family history-positive men had increased ACTH response to naloxone compared to 1) family history-positive women, 2) family history-negative men, and 3) family history-negative women. Despite differences in plasma ACTH levels after naloxone administration, plasma naloxone concentrations did not differ between study groups. This finding suggests that nonalcoholic male offspring of alcohol-dependent men have altered endogenous opioid activity directed at hypothalamic corticotropin-releasing factor neurons.

Adolescent↗