<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0871-9721</journal-id>
<journal-title><![CDATA[Revista Portuguesa de Imunoalergologia]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Port Imunoalergologia]]></abbrev-journal-title>
<issn>0871-9721</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Alergologia e Imunologia Clínica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0871-97212025000400245</article-id>
<article-id pub-id-type="doi">10.32932/rpia.2025.12.174</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Alergia ao milho - Identificação de um novo alergénio]]></article-title>
<article-title xml:lang="en"><![CDATA[Corn allergy - Identification of a new allergen]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gomes]]></surname>
<given-names><![CDATA[Margarida]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[Maria José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pineda]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendes]]></surname>
<given-names><![CDATA[Ana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pedro]]></surname>
<given-names><![CDATA[Elisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Unidade Local de Saúde Santa Maria Serviço de Imunoalergologia ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,INMUNOTEK SL  ]]></institution>
<addr-line><![CDATA[Alcalá de Henares ]]></addr-line>
<country>Espanha</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<volume>33</volume>
<numero>4</numero>
<fpage>245</fpage>
<lpage>249</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-97212025000400245&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-97212025000400245&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-97212025000400245&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO A alergia ao milho é uma condição rara, contudo têm surgido relatos recentes.Neste caso clínico é descrito o caso de uma mulher de 29 anos com história de angioedema labial e/ou síndrome de alergia oral após ingestão de pipocas e um episódios de sintomas conjuntivais e respiratórios após ingerir cervejas contendo milho. Os testes cutâneos foram positivos para milho. Para elucidar o agente alergénico, foram preparados extratos proteicos de milho e de três cervejas, analisados por SDS-PAGE e IgE-Western Blot. Identificou-se uma banda de 55-60 kDa reconhecida pela IgE da doente nos extratos contendo milho, ausente na cerveja sem milho, sugerindo um potencial novo alergénio. Este estudo etiológico permitiu confirmar que o milho foi o fator depoletador, reforçando o papel da imunologia molecular no diagnóstico de alergias alimentares raras e na aplicação da medicina personalizada.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ Corn allergy is a rare condition, although recent reports have emerged. This clinical case describes a 29-year-old woman with a history of lip angioedema and/or oral allergy syndrome after ingesting popcorn, as well as an episode of conjunctival and respiratory symptoms following the consumption of corn-containing beers. Skin prick tests were positive for corn. To elucidate the allergenic agent, protein extracts from corn and from three beers were prepared and analyzed by SDS-PAGE and IgE-Western Blot. A 55-60 kDa protein band was identified, recognized by the patient&#8217;s IgE in the corn-containing extracts and absent in the corn-free beer, suggesting a potential novel allergen. This etiological study confirmed corn as the triggering factor, reinforcing the role of molecular allergology in the diagnosis of rare food allergies and in the application of personalized medicine.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Novo alergénio]]></kwd>
<kwd lng="pt"><![CDATA[imunoensaio]]></kwd>
<kwd lng="pt"><![CDATA[alergia alimentar]]></kwd>
<kwd lng="pt"><![CDATA[milho]]></kwd>
<kwd lng="en"><![CDATA[New allergen]]></kwd>
<kwd lng="en"><![CDATA[immunoassay]]></kwd>
<kwd lng="en"><![CDATA[food allergy]]></kwd>
<kwd lng="en"><![CDATA[corn]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sicherer]]></surname>
<given-names><![CDATA[SH]]></given-names>
</name>
<name>
<surname><![CDATA[Sampson]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Food allergy: A review and update on epidemiology, pathogenesis, diagnosis, prevention, and management]]></article-title>
<source><![CDATA[J Allergy Clin Immunol]]></source>
<year>2018</year>
<volume>141</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>41-58</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Warren]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[BM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence and severity of food allergies among US adults]]></article-title>
<source><![CDATA[JAMA Netw Open]]></source>
<year>2019</year>
<volume>2</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[AF]]></given-names>
</name>
<name>
<surname><![CDATA[Riggioni]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Agache]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[EAACI guidelines on the diagnosis of IgE-mediated food allergy]]></article-title>
<source><![CDATA[Allergy]]></source>
<year>2023</year>
<volume>78</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>3057&#8209;76</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zuidmeer]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Goldhahn]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Rona]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The prevalence of plant food allergies: A systematic review]]></article-title>
<source><![CDATA[J Allergy Clin Immunol]]></source>
<year>2008</year>
<volume>121</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1210-8.e4</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Venter]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Skypala]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Dean]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Maize allergy: what we have learned so far]]></article-title>
<source><![CDATA[Clin Exp Allergy]]></source>
<year>2008</year>
<volume>38</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1844-6</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Scibilia]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Pastorello]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Maize food allergy: a double-blind placebo-controlled study]]></article-title>
<source><![CDATA[Clin Exp Allergy]]></source>
<year>2008</year>
<volume>38</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1943-9</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pastorello]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[Farioli]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Pravettoni]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Maize food allergy: lipid-transfer proteins, endochitinases, and alpha-zein precursor are relevant maize allergens]]></article-title>
<source><![CDATA[Anal Bioanal Chem]]></source>
<year>2009</year>
<volume>395</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>93-102</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pastorello]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[Farioli]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Pravettoni]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The maize major allergen is a lipid transfer protein]]></article-title>
<source><![CDATA[J Allergy Clin Immunol]]></source>
<year>2000</year>
<volume>106</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>744&#8209;51</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Venter]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Skypala]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Dean]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Maize allergy: clinical and experimental findings]]></article-title>
<source><![CDATA[Clin Exp Allergy]]></source>
<year>2008</year>
<volume>38</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1844-6</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pauls]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Cross]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Food-dependent exercise-induced anaphylaxis to corn]]></article-title>
<source><![CDATA[J Allergy Clin Immunol]]></source>
<year>1998</year>
<volume>101</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>853-4</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
