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    Derivative[{0, \[Ellipsis], 0}, {1, 0, \[Ellipsis], 0}, 0][
   HypergeometricPFQRegularized][{Subscript[a, 1], \[Ellipsis], 
   Subscript[a, p]}, {Subscript[b, 1], \[Ellipsis], Subscript[b, q]}, z] == 
 (-z) Gamma[Subscript[b, 1]] Product[Subscript[a, j] 
     HypergeometricPFQRegularized[{{1 + Subscript[a, 1], \[Ellipsis], 
        1 + Subscript[a, p]}, {1}, {1, Subscript[b, 1]}}, 
      {{2, 1 + Subscript[b, 1], \[Ellipsis], 1 + Subscript[b, q]}, {}, 
       {1 + Subscript[b, 1]}}, z, z], {j, 1, p}] - 
  PolyGamma[Subscript[b, 1]] HypergeometricPFQRegularized[
    {Subscript[a, 1], \[Ellipsis], Subscript[a, p]}, 
    {Subscript[b, 1], \[Ellipsis], Subscript[b, q]}, z] 
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</mo>  <semantics>  <msub>  <mi> b </mi>  <mn> 1 </mn>  </msub>  <annotation encoding='Mathematica'> TagBox[SubscriptBox["b", "1"], HypergeometricPFQ, Rule[Editable, True]] </annotation>  </semantics>  </mrow>  <mo> , </mo>  <semantics>  <mo> … </mo>  <annotation encoding='Mathematica'> TagBox["\[Ellipsis]", HypergeometricPFQ, Rule[Editable, True]] </annotation>  </semantics>  <mo> , </mo>  <mrow>  <semantics>  <msub>  <mi> b </mi>  <mi> q </mi>  </msub>  <annotation encoding='Mathematica'> TagBox[SubscriptBox["b", "q"], HypergeometricPFQ, Rule[Editable, True]] </annotation>  </semantics>  <mo> ; </mo>  <semantics>  <mi> z </mi>  <annotation encoding='Mathematica'> TagBox["z", HypergeometricPFQ, Rule[Editable, True]] </annotation>  </semantics>  </mrow>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  </mrow>  </mrow>  </mrow>  </annotation-xml>  </semantics>  </math> 
   
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