ドッキョウ イカ ダイガク ビョウイン コキュウキ・アレルギー ナイカ ニオケル HIVカンセン カンジャ ノ カイセキ : トクニ ニューモシスチス ハイエン ノ ガッペイ レイ ニ ツイテ

獨協医科大学病院呼吸器・アレルギー内科を受診したHIV感染者を解析し,わが国および栃木県のHIV 感染者との比較検討を行った.対象は,2002年7月より2009年6月までの間,当科に受診歴のある34名(男27名,女7名,日本人29名,外国人5名),平均年齢は44.2歳(29歳〜67歳).男性の感染理由は,異性間(風俗,不特定)40.7%,同性間37.0%,女性はパートナーからの感染が57.1 %であった.64.7%がAIDS 発症によりHIV感染が判明し,HIV感染判明時の精査では79.4%がAIDSを発症しており,全症例の55.9%にニューモシスチス肺炎の合併を認めた.治療開始が推奨されているCD4陽性細胞低値(350/m l以下)は,97.1%の症例に認めた.以上の結果より,感染理由や年齢層については,全国の平均と同様な傾向を認めた.全国的には,HIV感染判明者の約7割がAIDS 発病前のキャリアの状態でHIV 感染が判明し,栃木県でも同様の傾向である.しかし,当科では大多数がAIDS 発症後およびAIDS 発症直前の低免疫状態でHIV 感染が判明しており,早期発見および早期介入が課題と考えられた.To be clear the clinical characteristics in Tochigi, we analyzedpatients with HIV infection in our department. Patientswith HIV infection between July 2002 and June 2009were 34 subjects (Man:Woman=27:7, Japanese:Foreigner=29:5), and mean age was 44.2 years old. In reasonof HIV infection for men, men who were infected by sexualintercourse with indefinite women were 40.7 % and menwho were infected by sexual intercourse with men were37.0 %. Women who were infected by their partners were57.1 %. 64.7 % of patients were recognized HIV infection byshowing AIDS. 79.4% of patients already had complicationsindicating AIDS, when they came to our hospital, and 55.9% of patients had pneumocystis jiroveci pneumonia. In 97.1% of patients, the number of CD4 positive cells were under350/m l. In conclusion, around 70 % of patients were recognizedHIV infection before they become AIDS in Japan. But,a large majority of patients in our department were withbecoming AIDS or just before AIDS. We need to developthe system of early intervention for HIV infection

Bioinspired Total Synthesis of Delitschiapyrone A

A bioinspired seven-step total synthesis of delitschiapyrone A was accomplished in 32% overall yield from commercially available 4-bromo-3,5-dimethoxybenzoic acid. The key step of the synthesis is an exclusively regioselective and diastereoselective reaction cascade consisting of the Diels–Alder reaction, α-ketol rearrangement, and cyclic hemiacetalization, achieved by simply stirring a heterogeneous mixture of two Diels–Alder substrates (putative biosynthetic intermediates) and water at 35 °C, directly furnishing the pentacyclic natural product in 75% yield

Modular head-mounted cortical imaging device for chronic monitoring of intrinsic signals in mice

Significance: Intrinsic optical signals (IOS) generated in the cortical tissue as a result of various interacting metabolic processes are used extensively to elucidate the underlying mechanisms that govern neurovascular coupling. However, current IOS measurements still often rely on bulky, tabletop imaging systems, and there remains a dearth of studies in freely moving subjects. Lightweight, miniature head-mounted imaging devices provide unique opportunities for investigating cortical dynamics in small animals under a variety of naturalistic behavioral settings. Aim: The aim of this work was to monitor IOS in the somatosensory cortex of wild-type mice by developing a lightweight, biocompatible imaging device that readily lends itself to animal experiments in freely moving conditions. Approach: Herein we describe a method for realizing long-term IOS imaging in mice using a 0.54-g, compact, CMOS-based, head-mounted imager. The two-part module, consisting of a tethered sensor plate and a base plate, allows facile assembly prior to imaging sessions and disassembly when the sensor is not in use. LEDs integrated into the device were chosen to illuminate the cortical mantle at two different wavelengths in the visible regime (λcenter: 535 and 625 nm) for monitoring volume- and oxygenation state-dependent changes in the IOS, respectively. To test whether the system can detect robust cortical responses, we recorded sensory-evoked IOS from mechanical stimulation of the hindlimbs (HL) of anesthetized mice in both acute and long-term implantation conditions. Results: Cortical IOS recordings in the primary somatosensory cortex hindlimb receptive field (S1HL) of anesthetized mice under green and red LED illumination revealed robust, multiphasic profiles that were time-locked to the mechanical stimulation of the contralateral plantar hindpaw. Similar intrinsic signal profiles observed in S1HL at 40 days postimplantation demonstrated the viability of the approach for long-term imaging. Immunohistochemical analysis showed that the brain tissue did not exhibit appreciable immune response due to the device implantation and operation. A proof-of-principle imaging session in a freely behaving mouse showed minimal locomotor impediment for the animal and also enabled estimation of blood flow speed. Conclusions: We demonstrate the utility of a miniature cortical imaging device for monitoring IOS and related hemodynamic processes in both anesthetized and freely moving mice, cueing potential for applications to some neuroscientific studies of sensation and naturalistic behavior