Scientific News

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News from the global scientific community focused on furthering the understanding and treatment of pediculosis, including research and clinical trials.

27.02.18 | Response of Pediculus humanus capitis to Volatiles of Whole and Individual Components of the Human Scalp

A new study has evaluated the response of head lice to volatiles that emanate from the human scalp, identifying the volatile components of the odor and the attractive or repellent activity of their pure main components.

11.01.18 | In vitro efficacy of five essential oils against Pediculus humanus capitis

A new study has assessed the in vitro efficacy of five essential oils against adults of Pediculus humanus capitis using a contact filter paper toxicity bioassay and revealed that Clove oil diluted either in coco oil or sunflower oil demonstrated the best adulticidal activity reaching over 90% within 2 hours in lice submitted to a 30 minute contact.

11.01.18 | The unusual reproductive system of head and body lice (Pediculus humanus)

A new study has conclusively established for the first time that both head and body lice reproduce through paternal genome elimination (PGE), an unusual genetic system in which males transmit only their maternally derived chromosomes.

11.01.18 | In vitro Investigation of the Pediculicidal Activities of the Volatile Oil Components of Some Medical Plants Raised in Turkey

A new study aimed at assessing the in vitro pediculicidal activities of volatile oils extracted from 10 medical plants raised in Turkey has revealed that the volatile oil extract (Rosmarinus officinalis) from the rosemary medical plant was more effective than the other oils.

15.12.17 | Prevalence of Pediculus capitis in school children in Battambang, Cambodia

A new study investigating head lice prevalence in Cambodia has found an overall prevalence rate of 44.3% among school children living in the Battambang.

03.10.17 | Detection of bacterial pathogens including potential new species in human head lice from Mali

A new study has assessed the occurrence of bacterial pathogens from head lice collected in two rural villages from Mali, and identified for the first time, the presence of the DNA of two pathogenic bacteria, namely Coxiella burnetii (5.1%) and Rickettsia aeschlimannii (0.6%) detected in human head lice.

03.10.17 | Pyrethroids inhibit K2P channels and activate sensory neurons: basis of insecticide-induced paraesthesias

A new study has examined the effect of pyrethroids such as permethrin or tetramethrin (TM) on two-pore domain potassium (K2P) channels mainly expressed in sensory neurons and suggested that inhibition of K2P channels facilitates sensory neuron activation and increases their excitability which contributes to the generation of paraesthesias and pain after parathyroid exposure.

03.10.17 | Detoxification of ivermectin by ATP binding cassette transporter C4 and cytochrome P450 monooxygenase 6CJ1 in the human body louse, Pediculus humanus humanus

A new study investigating the functional properties of ivermectin-induced detoxification genes suggests that ATP binding cassette transporter C4 (PhABCC4) and cytochrome P450 6CJ1 (CYP6CJ1) are involved in the Phase III and Phase I xenobiotic metabolism of ivermectin respectively.

09.06.17 | Ivermectin lipid-based nanocarriers as novel formulations against head lice

A new study investigating the insecticidal activity of ivermectin-loaded lipid nanocapsules (IVM-LNC) against permethrin-resistant head lice has highlighted the effectiveness in the encapsulation of ivermectin (IVM) into stable LNC dispersion with a potential clinical activity against head lice .

08.06.17 | Identification of Novel Voltage-Gated Sodium Channel Mutations in Human Head and Body Lice

A new study investigating louse populations from Iran has revealed that 100% of all specimens collected from the Provinces of West-Azerbaijan and Zanjan have at least one of six novel mutations potentially associated with kdr resistance in body and head lice.

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