alexa Effect of Climate Change on Fagaceae Airborne Pollen in Japan as Allergic Causative Agent Associated with Food Allergy
ISSN: 2167-0587

Journal of Geography & Natural Disasters
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Research Article

Effect of Climate Change on Fagaceae Airborne Pollen in Japan as Allergic Causative Agent Associated with Food Allergy

Reiko Kishikawa1*, Toshitaka Yokoyama2, Norio Sahashi3, Eiko Koto1, Chie Oshikawa1, Nobuo Soh4, Akemi Saito5, Tadao Enomoto6, Toru Imai6, Koji Murayama6, Yuma Fukutomi5, Masami Taniguchi5, Terufumi Shimoda1 and Tomoaki Iwanaga1

1The National Hospital Organization Fukuoka Hospital, Fukuoka, Japan

2Forestry and Forest Products Research Institute, Tokyo, Japan

3Toho University, Funabashi, Japan

4Soh ENT clinic, Fukuoka, Japan

5The National Hospital Organization Sagamihara Hospital, Sagamihara, Japan

6NPO Association of Pollen Information, Tokyo, Japan

*Corresponding Author:
Dr. Reiko Kishikawa
Department of Allergology
The National Hospital Organization Fukuoka Hospital
4-39-1 Yakatabaru Minami-Ku Fukuoka Japan-811-1394
Tel: +81 92 565 5534
Fax +81 92 566 0702
E-mail: [email protected]

Received Date: August 25, 2016; Accepted Date: September 06, 2016; Published Date: September 08, 2016

Citation: Kishikawa R, Yokoyama T, Sahashi N, Koto E, Oshikawa C, et al. (2016) Effect of Climate Change on Fagaceae Airborne Pollen in Japan as Allergic Causative Agent Associated with Food Allergy. J Geogr Nat Disast 6:182. doi:10.4172/2167-0587.1000182

Copyright: © 2016 Kishikawa R, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Rational: It is no exaggeration to say that Japanese allergic people has increased according to the increase of Japanese Cedar (JC) pollinosis since the first case report, 1964. In Japan allergenic conifer airborne pollen counts have been increasing with a concomitant change in the start of pollination as a result of climate change during about 30 years. We also investigated as if Fagaceae pollen counts have been affected on climate change. In Japan patients with Fagaceae pollinosis is not so clear although this vegetation distributed almost all of Japan Island. Fagaceae pollen antigen has cross-reactivity to Betula (birch) pollen antigen observed in north part of Japan. Especially in Hokkaido district, a lot of patients with birch pollen have rhinoconjunctivitis and pollen related food allergy, oral allergy syndrome (OAS). In order to analyze and ameliorate the suffering of those with pollinosis, we have estimated the correlation between the Fagaceae pollen counts and meteorological conditions affecting those counts and we will inform the tendency of the pollen disperse for prevent and treatment against Fagaceae pollinosis. Method: There are institutions in fifteen locations monitoring airborne pollen by Durham sampler in Japan between the latitude of 30 to 40 degrees north. At each institute daily airborne pollen samples were collected including holidays and sent to our hospital. We counted pollen grains per cm2 through 100 to 400-power microscopes, classifying and summarizing them. From 1986 to 2014 we have referred to the change in monthly mean temperature, humidity, total monthly sunshine duration and amount of global solar radiation at the close to 9 of the pollen monitoring locations by the Meteorological Agency open data. Result: Fagaceae pollen counts have not shown annual fluctuation compared to conifer but have increased gradually. Only total monthly sunshine duration before the pollination in March has a weak significant correlation with Fagaceae pollen counts (r=0.4~0.53, p<0.05) only in some cities. The start of pollination season has been earlier except north of Japan and correlated with March/April mean temperature significantly with the prolongation of pollination season. Conclusion: Fagaceae pollen counts in Japan have been increasing and in the south of Japan Island the pollination season has prolonged during about 30 years climate change. In near future patients with Fagaceae pollinosis will increase in the southern part of Japan and birch/alder pollinosis with oral allergy syndrome will exacerbate during Fagaceae pollination season. We will inform Fagaceae pollen allergen is important for Japanese allergic people from aerobiology site.

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